Explosion-Proof Bridge Crane
QB Explosion-Proof Bridge Crane Manufactured by Henan Mine
Explosion-proof bridge crane are designed and manufactured based on general-purpose bridge cranes, specifically for work environments containing explosive gases or dust and corresponding operating conditions. These cranes possess explosion-proof characteristics, enabling intermittent and repetitive material and equipment handling with vertical lifting, longitudinal, and lateral movement capabilities.
Lifting Capacity
5t ~ 75 t
Work Class
A4/A5/A6
Crane Span
10.5m ~ 31.5 m
Lifting Height
6m, 9m, 30m or customized
Raged Voltage
Three-phase AC 380V 50HZ
Work Environment Temperature:
-20℃～+40℃
Related Parameters Display
China's premier crane supplier, driving the crane industry forward for 24 years
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Lifting weight(t)
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5 ~ 75
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5 ~ 75
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5 ~ 75
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5 ~ 75
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Span (m)
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10.5~31.5
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10.5~31.5
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10.5~31.5
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10.5~31.5
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Lifting height (m)
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1~16
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1~16
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1~16
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1~12
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Working class
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A4 ~ A6
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A4 ~ A6
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A4 ~ A6
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A4 ~ A6
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Explosion proof signs
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Exd II BT4(CT4)
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Exd II BT4(CT4)
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Exd II BT4(CT4)
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Exd II BT4(CT4)
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Lifting speed (m/min)
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3.7
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3.3
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3.6/3.8
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2.7/3.7
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Trolley speed (m/min)
|
9.3
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10.3
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10.3
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10.3
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Crane moving speed (m/min)
|
12
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12~12.5
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12.5~12.6
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12.5~16.5
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Recommended rails
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P43
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P43
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P43 or QU70
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P43 or QU70
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power
|
380V 50Hz 3Ph
|
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Henan Mine QB Explosion-Proof Bridge Crane Product Introduction
Henan Mine QB Explosion-Proof Bridge Crane Product Introduction
The Henan Mine QB Explosion-Proof Bridge Crane is a heavy-duty lifting solution specifically engineered for hazardous environments involving combustible gases and dust. From design and manufacturing to final acceptance, it fully complies with explosion-proof standards, perfectly meeting the demanding lifting requirements of industries such as chemical, oil and gas, and coal mining. Compliant with multiple gas explosion-proof ratings including ExdⅡBT4 and ExdⅡCT4, as well as dust explosion-proof ratings DIPA21 T4/DIPA22 T4, it operates safely in environments containing hazardous media like methane, ethane, hydrogen, and dust.
QB Explosion-Proof Bridge Crane
Comprehensive explosion-proof design eliminates safety hazards
- Full explosion-proof rating coverage: Supports ExdⅡBT4 and ExdⅡCT4 (gas explosion-proof) as well as DIPA21 T4/DIPA22 T4 (dust explosion-proof), precisely customized based on medium type
- Explosion-proof upgrade for all components: Motors, reducers, brakes, electrical control cabinets, limit switches, remote controllers, and all electrical components adopt flameproof/increased safety designs. Enclosures achieve IP65 protection rating, eliminating explosion risks from electrical sparks or mechanical friction sparks;
- Explosion-proof structural sealing: Critical connections employ explosion-proof sealed joints. Structural components like main beams and end beams undergo anti-static and anti-corrosion treatment to prevent static buildup and media corrosion, adapting to high-humidity, highly corrosive explosion-proof environments.
Dual-girder heavy-duty structure for stable and reliable operation
- Main girders are fabricated from Q355B high-strength steel via CNC plasma cutting and automated submerged arc welding. The entire structure undergoes shot blasting rust removal, with weld quality meeting GB/T 12469-2019 Grade 1 standards. Exceptional bending and torsional resistance ensures no deformation during prolonged operation under 100t heavy-load conditions.
- Features a box-type dual-main-beam design for even stress distribution and large load-bearing area. Paired with reinforced end beams and high-rigidity explosion-proof wheel sets, it achieves 60% greater operational stability than single-beam cranes, minimizes start/stop impact, and prevents spark generation from heavy-load material swaying or collisions.
- Upgraded core transmission components: Gear reducers employ hardened-tooth explosion-proof design with transmission efficiency exceeding 96% and low operational noise (≤75dB). The brake employs an explosion-proof electromagnetic design, ensuring smooth and reliable braking. It locks instantly during power failure to prevent material drop.
QB Explosion-Proof Bridge Crane Manufactured by Henan Mine1
Intelligent Precision Control with Robust Safety Redundancy
- Intelligent Explosion-Proof Control: Equipped with a PLC-based explosion-proof intelligent control system supporting variable frequency speed regulation. Lifting and travel speeds are infinitely adjustable from 0-10m/min with positioning accuracy of ±3mm, meeting precision component handling demands;
- Multi-layered Safety Protection: Beyond standard overload protection, travel limits, collision prevention, and emergency braking, it incorporates explosion-proof temperature monitoring, electrostatic monitoring, and gas concentration warning devices. These systems continuously monitor operational safety and automatically halt with alarms during anomalies.
- Complete Compliance Certifications: The product is certified by the National Explosion-Proof Electrical Product Quality Supervision and Inspection Center, holding comprehensive explosion-proof qualification certificates, Special Equipment Manufacturing Licenses (Class A), and product compliance certificates. It seamlessly passes industry safety audits and special equipment inspection institute acceptance.
Core Technology Advantages: Henan Mine's Exclusive Explosion-Proof Competitiveness
- Proprietary Explosion-Proof Core Components: Explosion-proof motors, reducers, control cabinets, and other core components are independently developed and manufactured by Henan Mine. After enduring over 1,500 hours of fatigue testing under explosion-proof conditions, their failure rate is reduced by 75% compared to industry averages.
- Strong Customization Capabilities: Tailored models—including high-temperature explosion-proof, corrosion-resistant explosion-proof, and low-headroom explosion-proof types—can be customized based on hazardous medium type, operating temperature (-20°C to 40°C), and lifting requirements, with span and lifting height precisely matched to site conditions;
- Energy-saving and explosion-proof dual focus: The explosion-proof motor adopts a YE4 ultra-high-efficiency copper core design, achieving over 30% energy savings compared to traditional explosion-proof motors. Paired with an intelligent energy consumption monitoring system, it delivers both safety and energy efficiency.
- Rapid delivery assurance: With a dedicated explosion-proof equipment production workshop and over 600 automated production units operating in tandem, standard explosion-proof models are delivered within 25-35 days, while customized models are completed in 45-60 days, meeting urgent production demands.
Application Scenarios: Covering hazardous material handling needs across multiple industries
- Petrochemical Industry: Crude oil tank lifting in refineries, transport of combustible raw materials in chemical plants, installation and maintenance of reactors;
- Fine Chemical Industry: Lifting of flammable solvents in pharmaceutical/chemical plants, transport of flammable/explosive raw materials in paint factories;
- Oil & Gas Extraction Industry: Lifting of drilling equipment components in oilfields, transport of combustible gas storage tanks in natural gas processing plants;
- Coal/Dust Industry: Material transfer in dusty environments at coal washing plants; explosion-proof material handling at flour mills/feed mills.
- Other Applications: Handling flammable/explosive materials in military industries; loading/unloading raw materials at paint factories; maintenance of gas station equipment.
Henan Mine QB Explosion-Proof Bridge Crane Product Introduction
Quality and Service Assurance: Your Reliable Choice for Hazardous Conditions
- Stringent Explosion-Proof Quality Control: Each unit undergoes multiple specialized tests including explosion-proof performance, heavy-load capacity, and static electricity before shipment, accompanied by comprehensive inspection reports and explosion-proof certification documents to ensure compliance;
- End-to-End Explosion-Proof Dedicated Services: Free on-site condition surveys and hazardous medium assessments to develop customized explosion-proof solutions; professional installation and commissioning teams assist clients in passing explosion-proof safety audits and special inspection institute acceptance;
- Nationwide Explosion-Proof After-Sales Network: Over 480 service centers nationwide with 150+ specialized explosion-proof crane engineers, 24-hour response guarantee.
- Warranty Commitment: 1-year warranty for entire unit; 3-year warranty for core explosion-proof components (explosion-proof motors, reducers, control cabinets). Free repair or replacement for non-human-induced damage during warranty period. Annual explosion-proof maintenance agreements available for regular on-site performance inspections.
Detailed Specifications of QB Explosion-Proof Bridge Crane Manufactured by Henan Mine
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Capacity |
T |
32/5,50/10 |
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Span |
m |
10.5 |
13.5 |
16.5 |
19.5 |
22.5 |
25.5 |
28.5 |
31.5 |
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Lifting height |
m |
16/18 |
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Lifting speed |
m/min |
15.6 |
|||||||
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Trolley travelling speed |
m/min |
3.36-33.6,2.9-29 |
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Crane travelling speed |
m/min |
92.7 |
93.7 |
86.5 |
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Total weight |
kg |
15406 |
17290 |
20020 |
21724 |
24213 |
28579 |
31970 |
35389 |
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Max. Wheel load |
KN |
104 |
111 |
120 |
125 |
132 |
144 |
152 |
162 |
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Rail recommended |
Model |
43kg/m |
|||||||
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Total motor power |
kw |
27.8 |
31.8 |
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Main dimension (mm) |
Span(m) |
10.5 |
13.5 |
16.5 |
19.5 |
22.5 |
25.5 |
28.5 |
31.5 |
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Rail top to crane top |
H |
1750 |
1840 |
||||||
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Rail top to hook center |
H4 |
55 |
5 |
||||||
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Crane base distance |
W |
5140 |
5334 |
5940 |
|||||
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Crane width |
B |
3450 |
4400 |
||||||
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Trolley rail distance |
K |
1400 |
|||||||
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Hook left limitation |
S1 |
800 |
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Hook right limitation |
S2 |
1250 |
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Advantage display
Product Advantages Overview
Large-Tonnage Bearing
Rated lifting capacity ranges from 5T to 100T, and larger tonnages can be
customized for special needs. Adopting high-manganese steel main beam and
reinforced
Intelligent Precision Control
quipped with a PLC intelligent control system, supporting millimeter-level
positioning and automatic loading/unloading. Lifting and running speeds can be
flexibly adjusted, and
Multiple Safety Protections
Integrates multiple safety mechanisms such as overload protection, limit
protection,
anti-fall protection and emergency braking, equipped with high-definition
monitoring
and fault
Longer Service Life
Core components are made of high-quality materials such as wear-resistant alloy
and corrosion-resistant steel, reinforced by heat treatment process. The
electrical system
Detailed View of Electric Single-Girder Crane
China's premier crane supplier, driving the crane industry forward for 24 years
Henan Mine QB Explosion-Proof Bridge Crane Application Scenarios
The explosion-proof bridge crane (hereinafter referred to as explosion-proof crane) is designed and manufactured based on the general-purpose bridge crane, specifically for work environments containing explosive gases or dust and corresponding operating conditions. It features explosion-proof characteristics, enabling intermittent and repetitive material and equipment handling with vertical
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Core Production and Full Storage/Transportation Processes in Petrochemical IndustrySuitable for crude oil distillation, catalytic cracking, and hydrotreating workshops, used for lifting heavy equipment such as reaction towers, heat exchangers, and hydrogenation reactors, as well as installing and maintaining crude oil storage tanks and refined oil tanks.
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Chemical Raw Material Production and Storage AreaSuitable for reactor workshops and raw material warehouses in fertilizer plants, paint factories, and organic chemical raw material plants. It handles the lifting of flammable solvent storage tanks (e.g., methanol, ethanol, acetone) and the bulk transfer of combustible raw material drums (e.g., benzene, toluene). For explosion-proof requirements across different media, select ExdⅡBT4 or ExdⅡCT4 rated models. The ExdⅡCT4 rating accommodates high-risk combustible gas environments like acetylene and hydrogen, offering broader adaptability.
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Oil and Gas Storage & Transfer StationsUsed for equipment maintenance and material handling in petroleum and natural gas storage tank areas, such as lifting liquefied petroleum gas (LPG) tanks and connecting oil pipelines. The crane employs anti-static, flame-retardant components and wireless remote control operation, reducing personnel exposure time in hazardous zones and enhancing operational safety.
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Pharmaceutical Solvent & Formulation WorkshopsSuitable for solvent extraction workshops in antibiotic and vitamin production, as well as handling flammable auxiliary materials like alcohol and ether. Used for lifting extraction tanks, concentrators, and similar equipment. Henan Mine offers customizable clean explosion-proof models featuring dust-free design, rust-proofed component surfaces, and fully enclosed gearboxes with zero oil leakage to prevent contamination of pharmaceutical production environments while meeting GMP cleanliness requirements.
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Semiconductor and Electronic Materials WorkshopsFor environments involving flammable and explosive gases like silane and ammonia in semiconductor material production, we provide clean explosion-proof models with ExdⅡCT4 explosion-proof rating and air cleanliness up to Class 4 (National Standard Class 7). Enables automated transfer of reduction furnaces and silicon rod tools between platforms using laser barcode positioning technology for precise alignment. Supports dual-mode operation—central control room automation and on-site remote control—meeting stringent requirements for high-precision electronic material production.
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Coal Chemical IndustrySuitable for coal-to-gas and coal-to-methanol workshops, handling heavy equipment like coal gasifiers and synthesis towers, as well as maintenance of combustible gas pipelines after raw coal crushing. With flammable gases like carbon monoxide and methane present in workshops, the crane's explosion-proof structure and multiple safety protections (overload alarm, limit switches) effectively prevent explosion risks, ensuring continuous production operations.
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Lithium Battery and New Energy Material WorkshopsIn workshops producing lithium battery cathode materials (e.g., ternary materials) and electrolyte storage areas, flammable vapors like dimethyl carbonate and lithium hexafluorophosphate are present. QB-type explosion-proof cranes can handle the lifting of cathode material reactors and electrolyte storage tanks. The equipment features anti-static design to prevent static sparks during material transfer, meeting the safety production requirements of the new energy industry.
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Fermentation and Distillation Workshops in BreweriesUsed for hoisting alcohol fermentation tanks and distillation columns in baijiu and beer production, as well as maintenance and transfer of alcohol storage tanks. Alcohol vapor concentrations in workshops can easily reach explosive limits. The QB crane's explosion-proof electrical system eliminates ignition sources, while its surface utilizes corrosion-resistant, easy-to-clean materials that meet food industry hygiene standards.
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Edible Oil and Food Additive WorkshopsIn solvent extraction areas for edible oil refining and organic solvent zones for food additive production, flammable gases like hexane are present. The crane handles lifting of extraction equipment and solvent storage tanks, ensuring explosion-proof safety during production while preventing equipment leaks from contaminating food ingredients.
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Non-Ferrous Metal Smelting Auxiliary WorkshopsSuitable for solvent refining workshops in aluminum and zinc plants, handling auxiliary material storage tanks and flammable reagent drums for refining furnaces. The workshop environment contains combustible gases generated by flux volatilization. The crane's explosion-proof design accommodates both high-temperature (≤40°C) and explosion-proof requirements, preventing safety hazards in high-temperature smelting environments.
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Military and Special Chemical WorkshopsUsed for material handling in military chemical and specialty coating production facilities. Customizable high-grade explosion-proof models and secure operating systems meet transport requirements for special flammable/explosive media, ensuring military production safety and confidentiality.
Crane Operation Demonstration
China's premier crane supplier, driving the crane industry forward for 24 years
How to Choose the Best Crane Manufacturer in China
Henan Mine Crane Co., Ltd. is a professional manufacturer and service provider of cranes and material handling products. Integrating R&D, design, manufacturing, sales, and service, we deliver comprehensive solutions and full-lifecycle support to our customers.
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1Clarify Your Crane NeedsThoroughly understand your lifting requirements (load details, frequency, and workspace environment) before approaching crane manufacturers.
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2Determine Crane Service ClassCalculate the required crane service class based on your operational intensity to ensure optimal performance and longevity.
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3Explore Crane Supplier Custom Features:Investigate available customization options and special features to enhance safety, efficiency, and precision for your specific application.
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4Assess Crane Factory Engineering CapabilityEvaluate the manufacturer's engineering strength to ensure they can design a suitable solution tailored to your needs.
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5Verify Quality & Compliance of Crane CompanyCheck the crane manufacturer's manufacturing quality, certifications, and compliance with international standards and your local safety regulations.
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6Ensure Support & ReferencesConfirm the manufacturer provides reliable after-sales support and has a proven track record with positive references in your industry or region.
Why We Are More Trustworthy
Henan Mine Crane Factory is a premier provider of integrated crane and material handling solutions, covering R&D, design, manufacturing, sales, and service for end-to-end support.
Experienced company
Established in 2002, Henan Mine Crane Factory is a high-tech crane enterprise. Using advanced global design and manufacturing tech, we craft top-quality single/double-beam cranes and electric hoists.
Professional team & equipment
Our 1.62 million ㎡ factory has 3,500+ staff, 200 senior engineers, and 428+ global sales/service points. With 2,000+ processing machines handling 20+ processes, we ensure excellence.
Productive capacity
Henan Mine Crane Factory produce over 80,000 cranes annually, including 11,000+ double-beam/gantry cranes 73,000+ single-beam cranes, and 100,000+ electric hoist sets, meeting diverse demands.
Customized design services
We know the right crane is key. Our engineers partner with clients to design and build cranes tailored to specific needs, ensuring optimal performance.
Why Our Cranes Earn Customers' Trust
Henan Mine Crane Co., Ltd. has a strong technical team with over 10 top experts and 200+ mid-to-senior engineers. They've obtained over 700 national patents and provincial-level tech achievements, with over 670 authorized patents. Henan Mine Crane Factory led/participated in over 100 standard formulations/revisions, won the China Standard Innovation Contribution Award, and is a key member of multiple lifting machinery standardization committees. Dr. Xu Lei serves as Deputy Leader of the ISO/TC96 Domestic Technical Counterpart Expert Working Group.
The services we provide
China's premier crane supplier, driving the crane industry forward for 24 years
Free customization scheme
The professional engineer team communicates in depth to understand needs, and provides
one-stop customized solutions including 3D model design, technical parameter calculation
Regular Maintenance Reminder
Establish customer equipment files, and regularly send maintenance reminders based on
equipment usage time and operation intensity. Provide detailed maintenance manuals and
video tutorials
Technical support consultation
Provide 7×12-hour online technical consultation service. Senior consultants answer
questions in real time regarding product selection, parameter matching, installation
specifications
Free customization scheme
The professional engineer team communicates in depth to understand needs, and provides
one-stop customized solutions including 3D model design, technical parameter calculation
Our Patents and Certifications
China's premier crane supplier, driving the crane industry forward for 24 years
Customer Testimonials & Top Choices
China's premier crane supplier, driving the crane industry forward for 24 years
Related Product Recommendations
China's Premier Crane Supplier, Empowering the Lifting Industry for 24 Years
LHBE xplosion-Proof Electric Hoist Bridge Crane
The explosion-proof hoist manufactured by Henan Mine utilizes an explosion-proof electric hoist as its lifting mechanism. This explosion-proof lifting equipment enables intermittent, repetitive loading, unloading, and material/equipment handling in explosive environments, featuring vertical lifting and both longitudinal and lateral travel capabilities.
Low-headroom design: The seated explosion-proof hoist is mounted on the trolley frame, maximizing vertical space utilization.
Lightweight construction with low wheel load allows direct installation in lightweight industrial buildings, reducing civil engineering costs.
Suitable for gas explosion-proof and dust explosion-proof environments.
ZJJB Cleanroom Explosion-Proof Overhead Crane
Henan Mine manufactures new single-girder cranes designed for intermittent, repetitive loading, unloading, and material/equipment handling in general operating environments. These cranes feature vertical lifting and longitudinal/lateral movement capabilities.
Designed according to European FEM standards, it centers on lightweight construction and precision control.
Standard variable frequency drive system enables stepless speed adjustment for both lifting and travel mechanisms, ensuring smooth hook start/stop and precise positioning.
Modular design simplifies maintenance procedures. Maintenance-free construction features standardized wear parts with extended replacement intervals.
QBE Dual-Trolley Explosion-Proof Overhead Crane
Henan Mine Manufacturing's explosion-proof overhead cranes are designed and manufactured based on standard overhead cranes. They feature explosion-proof characteristics tailored for work environments containing explosive gases or dust, enabling intermittent and repetitive material and equipment handling. These cranes provide vertical lifting, longitudinal, and lateral movement capabilities. Lifting devices include hooks or specialized lifting attachments. Suitable for flammable and explosive environments such as chemical plants, petroleum facilities, natural gas processing, pharmaceutical manufacturing, and dust-prone workshops.
Multiple operation modes are supported, including cab operation, handle control, wireless remote control, and PLC interlock control.
Advanced technologies such as encoders and CI card frequency converters are employed for dual-trolley control. Both trolleys can operate independently or in coordination.
Explosion-proof measures for multiple critical mechanical components and electrical systems ensure efficient and reliable lifting operations while maintaining explosion safety.
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Full range of lifting equipment, international standard quality and ample production capacity, ensuring worry-free agency support.
Professional cross-border after-sales team + global parts warehouse, 24-hour response, full-cycle service to help you effortlessly expand your market.
Generous agency policies + regional exclusive protection, guaranteeing your profits and worry-free cooperation.
We sincerely invite global partners with resources to join hands, jointly develop the global crane market, and achieve mutual benefit and win-win outcomes!
Your Top Concerns About Henan Mine Manufacturing's QB Explosion-Proof Bridge Cranes and Professional Answers
China's premier crane supplier, driving the crane industry forward for 24 years
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Our workshop uses hydrogen as the medium, which falls under the ExdⅡCT4 explosion-proof rating. Can your QB explosion-proof bridge crane meet this requirement?Professional Answer: It fully meets the ExdⅡCT4 explosion-proof rating requirements and will absolutely never fail in explosion protection! Our QB explosion-proof bridge crane features reinforced design specifically for high-risk media. All electrical components employ ExdⅡCT4 flameproof enclosures with high-strength cast aluminum housings. Flameproof gaps are maintained below 0.2mm, fully compliant with GB 3836.2 standards. Critical connections utilize explosion-proof sealed joints to prevent hydrogen ingress and spark generation.
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Does the QB explosion-proof bridge crane possess complete explosion-proof certifications?Professional Answer: Our QB explosion-proof bridge crane holds comprehensive explosion-proof certifications: 1. Overall equipment explosion-proof qualification certificate 2. Key component explosion-proof certifications 3. Special equipment-related certifications All documentation is authentic, valid, and verifiable.
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Our workshop contains not only combustible gases but also acidic/alkaline corrosive media. Can your QB explosion-proof bridge crane handle such complex conditions?Professional Answer: Absolutely! We offer specialized “explosion-proof + corrosion-resistant” custom QB bridge cranes. For your complex environment involving combustible gases and acid/alkali corrosion, we implement dual-reinforced designs.
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Are explosion-proof cranes more complicated to operate and maintain than standard cranes?Professional Answer: Operation and maintenance are no more complex—they're virtually identical to standard double-girder cranes! Our QB explosion-proof cranes come equipped with explosion-proof wireless remote controllers and ground control handles. The operating interface is identical to standard cranes, with core functions like lifting, lowering, and traversing featuring clearly labeled buttons. The only difference is the addition of a “Gas Concentration Warning” indicator light. When ambient gas concentrations exceed safe levels, it automatically triggers an alarm and shuts down the crane. Employees only need to master the emergency shutdown procedure.
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Compared to standard double-girder cranes, QB explosion-proof bridge cranes are significantly more expensive. How does their cost-effectiveness measure up?Professional Answer: While the initial purchase price of QB explosion-proof cranes is 30%-50% higher than standard double-girder cranes, their long-term cost-effectiveness is superior. The payback period for the price difference is very short, typically 1.5-2 years.
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If equipment fails during peak production periods, can after-sales support keep pace?Professional Answer: We absolutely guarantee after-sales support during production peaks. Dedicated technical expertise and spare parts for explosion-proof maintenance ensure no production delays! First, our team of 150+ specialized explosion-proof crane service engineers undergo rigorous training and hold valid explosion-proof operation certifications, enabling precise troubleshooting of all explosion-proof faults. Second, we maintain explosion-proof parts warehouses in major global chemical hubs, stocking essential components like explosion-proof motors, control cabinets, and seals for rapid deployment.
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Can your QB explosion-proof bridge cranes integrate with our existing production line control systems?Expert Answer: Full integration is possible without compromising your current production system's stability! Our QB explosion-proof bridge cranes feature a PLC-based explosion-proof intelligent control system compatible with mainstream MES, DCS, and other production line control systems. Regardless of your current system brand, our explosion-proof technical team can provide on-site customized explosion-proof interface development to enable data interoperability and collaborative control. This includes automatically assigning lifting tasks based on production line cadence and real-time uploading of equipment operational data.
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Do you have successful case studies of QB explosion-proof bridge cranes operating in similar conditions to ours?Absolutely. If you wish to conduct an on-site inspection, I can arrange visits to nearby client sites based on your location and operational requirements. See firsthand the operational status of our 5 QB explosion-proof bridge cranes, their explosion-proof structural design, and integration with production lines. You'll also have direct access to their equipment managers and safety officers to understand real-world usage experiences, explosion-proof safety audit details, maintenance costs, and after-sales support. You set the timing and itinerary—I'll accompany you throughout, addressing all explosion-proof-related questions to ensure you see with confidence and buy with peace of mind.
Operating Manual for Electric Single-Girder Cranes
Stable operation in high and low temperature extreme environment, continuous
construction of
crane assisted project without interruption
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Each crane must display a rated load capacity plate in a conspicuous location.
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No personnel are permitted on the girder during operation, nor may the hook be used to transport persons
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Operation is prohibited without a valid operator's license or under the influence of alcohol.
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Operators must maintain full concentration during operation; talking, smoking, or engaging in unrelated activities is strictly forbidden.
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Keep the crane clean and tidy; do not store equipment, tools, flammable materials, explosives, or hazardous substances haphazardly.
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Do not overload the crane.
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When operating along obstacle-free paths, the hook, lifting device, or bottom surface of the load must remain at least 2 meters above ground level. When crossing obstacles, the load must clear the obstacle by at least 0.5 meters
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For loads under 50% of rated capacity, both lifting mechanisms may operate simultaneously. For loads exceeding 50% of rated capacity, only one mechanism may operate.
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.For bridge cranes equipped with main and auxiliary hooks, do not simultaneously raise or lower both hooks (except under special circumstances).
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Welding or hammering on suspended loads, or working beneath suspended loads, is prohibited (except when properly supported).
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Inspection or maintenance work may only be performed after power has been disconnected and a “Do Not Operate” sign is displayed on the power switch. If live work is unavoidable, implement safety measures and assign dedicated supervision.
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Do not throw objects from the vehicle indiscriminately.
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Regularly inspect limit switches and interlock protection devices.
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Do not use limit switch impact as a stopping method.
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Do not lift or lower loads when hoist brakes malfunction.
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Do not operate the hoist above personnel or equipment.
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When welding any part of the crane, use a dedicated ground wire; do not use the crane body as a ground.
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When the hook is at its lowest position, ensure at least two full turns of safety rope remain on the drum.
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Cranes must not collide with each other; using one crane to push another into operation is strictly prohibited.
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When lifting heavy objects, molten metal, explosives, or hazardous materials, first slowly raise the load 100–200 mm off the ground to test brake reliability.
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Maintenance and inspection lighting must operate at voltages below 36V.
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All electrical equipment enclosures on bridge cranes must be grounded. If trolley rails are not welded to the main girder, grounding measures must be implemented. Grounding conductors may use galvanized flat iron with a cross-sectional area exceeding 75mm², bare copper wire of 10mm², or galvanized round steel exceeding 30mm². The operator's cab or crane body shall have more than two grounding points. The grounding resistance from any point on the crane to the power supply neutral point shall be less than 4Ω.
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30 Years of Lifting R&D, Following Strict European Standards, Intelligent
Empowerment
for Heavy Loads, Providing Global Safe & Excellent Solutions
The project was delivered on time and landed safely
Whether it's material handling within factory workshops, goods storage and retrieval in warehouses, production support for small processing plants, or equipment maintenance in repair shops—cranes are far more than simple lifting tools. They are the core driving force behind project progress.
Improve efficiency
Break through operational bottlenecks and improve overall project progress efficiency
Avoiding risks
Build a solid safety line and avoid potential risks of high-risk operations
Delivery
Adapt to diverse working conditions and ensure stable project implementation and delivery