Dust-Proof Explosion-Proof Overhead Crane

Henan Mine Crane LXB dust explosion-proof electric suspension crane is designed for flour milling, metal grinding, plastics processing and other flammable and explosive dust operating environment to create a special suspension lifting equipment, a perfect solution to the lifting operation of the dust workshop in various industries, equipment to adapt to the overseas multi-national power grids and dust explosion-proof industrial standards.
Capacity 1t - 10t or customized
Span 7.5m - 28.5m or customized
Lifting height: 6m,-20m or customized
Work Class: A3 - A5 or customized
Lifting speed 2m/min - 10m/min or customized
Raged voltage Three-phase AC 380V 50HZ
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Parameters of the Dust-Proof Explosion-Proof Overhead Crane Manufactured by Henan Mine crane

China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
Parameter Specification Remarks
Rated Lifting Capacity 1t – 10t Customizable for light dust-proof load
Basic Span 7.5m – 28.5m Splicable for full workshop coverage
Lifting Height 6m – 20m Optional low headroom design for narrow dust workshop
Dust Explosion-proof Grade DIP A21 T130 Adapt to most flammable dust environments, customizable for higher grade
Hoist Type Special dust explosion-proof electric hoist Core dust-proof component, fully sealed design
Drive Motor Dust explosion-proof type motor Anti-spark, anti-static, dust-proof seal
Working Class A3 – A5 Suitable for intermittent operation in dust hazardous area
Lifting Speed 2m/min – 10m/min Steady speed for dust explosion-proof safety
Crane Travel Speed 15m/min – 25m/min Dust-proof drive, stable operation without spark
Control Mode Dust explosion-proof ground handle / wireless remote Remote distance ≥100m, English-Chinese mark
Power Supply 380V/50Hz; 220V-660V/60Hz Customizable for overseas power grid
Protection Level IP65 High dust-proof, anti-corrosion for dust workshop
Working Temperature -20℃ ~ 45℃ Anti-rust, anti-static, dust accumulation proof treatment
Structural Feature Lightweight + modular assembly Splicable main beam, flexible installation
Certification National dust explosion-proof standard Assist in ATEX/DIP/CE/GOST application

Product Introduction of Dust-Proof Explosion-Proof Overhead Crane Manufactured by Henan Mine Crane

Henan Mine Crane LXB dust explosion-proof electric suspension crane is designed for flour milling, metal grinding, plastics processing and other flammable and explosive dust operating environment to create a special suspension lifting equipment, a perfect solution to the lifting operation of the dust workshop in various industries, equipment to adapt to the overseas multi-national power grids and dust explosion-proof industrial standards.

Henan Mine Crane Dust-Proof Explosion-Proof Overhead Crane product introduction

Henan Mine Crane LXB type dust explosion-proof electric suspension crane is a special lifting equipment to complete the dust explosion-proof upgrade on the basis of suspended electric hoist bridge crane, the core lifting mechanism for the customized dust explosion-proof electric hoist, with vertical lifting, longitudinal and lateral three-dimensional movement function.

Can be in various types of flammable and explosive dust environment in an intermittent, repetitive way to complete the loading and unloading of materials and equipment handling, is a safe and preferred dust hazardous environment materials lifting, but also Henan Mine Crane in the field of dust and explosion-proof lifting of the core products.

This dust explosion-proof suspension traveling crane continues Henan Mine Crane hardcore manufacturing process and cost-effective advantages, while retaining the conventional suspension crane does not occupy floor space, installation flexibility, based on all electrical components, transmission mechanism to do professional dust explosion-proof sealing treatment, from the source to eliminate the dust environment of the explosion, fire hazards, suitable for overseas flour milling, metal grinding, plastics pelletizing, feed processing and other types of dust Workshop

1. Product core positioning and design background

The core positioning of LXB dust-proof electric suspension crane is to solve the safety and cost problems of lifting and transportation in the flammable and explosive dust environment, to address the industry pain points of conventional lifting equipment in the dust environment due to electrical sparks, friction and static electricity ignition of dust, while taking into account the cost control needs of small and medium-sized overseas dust processing enterprises.

2. Core structure design

The whole structure of the machine is designed around the core requirements of dust explosion-proof safety, efficient use of space, modular assembly, lightweight modular structure, the core consists of three key parts, the structure of the synergistic realization of flammable and explosive dust environment, safe and convenient lifting, while taking into account the cost and expandability:

2.1 Dust explosion-proof lifting mechanism: equipped with a special dust explosion-proof electric hoist, the core explosion-proof components for the equipment, hoist motor, reducer, control box are made dust explosion-proof sealing design, the protection level is suitable for high dust environment, effectively blocking the dust into the internal sparks, the cable is made of explosion-proof flame retardant materials and laying explosion-proof casing, from the source to eliminate the potential danger of dust explosion;

2.2 Suspension bearing structure: the use of high-quality steel lightweight welding molding of the single beam, directly suspended from the roof of the plant below the track, without the need for ground columns, brackets and rails, the complete release of the ground operating space, to adapt to the characteristics of the dusty workshop materials stacked densely; the main beam of the light self-weight, the wheel pressure is small, the roof of the plant has no special requirements for the load-bearing structure of the ordinary industrial plant can be installed;

2.3 Driving mechanism: adopting dust-proof and explosion-proof running motor and lightweight driving device, seamlessly connecting with the hanging end beam of the main beam, anti-static and anti-friction spark treatment of the running parts, sensitive braking and smooth running, suitable for low-speed and safe lifting needs in dusty workshops; the driving mechanism is of modular design, easy to dismantle and install, and no need of professional tools for maintenance in the later stage.

3. Core Product Advantages (Suitable for overseas dust and explosion-proof environment, different from conventional lifting equipment)

As a flammable and explosive dust environment crane specially designed for flammable and explosive dust scenarios, its core advantages revolve around dust and explosion-proof safety, high space utilization, low cost, flexible installation, which perfectly fits the operation and procurement pain points of overseas customers in flour, metal processing, etc., and is also the core highlights that differentiate it from the conventional suspension cranes and supported overhead travelling cranes:

3.1 Full-dimensional dust explosion-proof design, suitable for all kinds of dust hazardous environments: all electrical components to do dust explosion-proof sealing design, transmission, operation components to do anti-static, anti-friction spark treatment, without any spark generation point, fully compliant with the national dust explosion-proof safety standards, can be in the flour, plastics, metal grinding, feed processing, and other types of flammable and explosive dust environment for safe operation, to avoid the source of dust explosions, fire, and safety risks. safety risks from the source;

3.2 Roof hanging installation, space utilization rate is full: the equipment is hung directly under the roof of the plant, without any ground structure, completely releasing 100% of the ground operating space, solving the problem of insufficient lifting space caused by the stacking of materials in the dust workshop and the dense layout of the equipment, and maximizing the efficiency of space utilization in the workshop;

3.3 Low cost and installation cost, outstanding performance-price ratio: the manufacturing cost and installation cost are much lower than supported overhead travelling crane, more than 40% lower than the cost of the same specification dust explosion-proof overhead travelling crane, at the same time, the lightweight structure doesn’t need large lifting equipment, and the installation can be completed by manual labor, which greatly saves the equipment purchase and infrastructure investment of overseas customers, and is suitable for small and medium-sized dust processing enterprises with the need of cost control;

3.4 Modular assembly, flexible installation and strong expandability: the main beam is of standardized modular design, which can be freely assembled with multiple tracks to easily extend the working span and cover the lifting area of the whole workshop, which is suitable for different sizes of dust workshops; in the later stage when the workshop expands, it can be directly assembled with a new track to expand the lifting range without replacing the whole machine, which makes the equipment highly reusable.

4. Overseas adaptability and core application scenarios of the product

4.1 Core application scenarios: This special dust explosion-proof crane for flour mills is widely used in various kinds of flammable and explosive dust hazardous operation scenarios overseas, including flour/feed processing workshop, metal grinding/polishing workshop, plastic granulating/grinding workshop, wood processing workshop, paint powder production workshop, etc. It can undertake lifting, loading and unloading, and shifting of various kinds of raw materials, finished products, production equipment, and fittings;

4.2 Overseas standards and grid adaptation: the products comply with China’s national crane industry standards and dust explosion-proof safety standards, the core explosion-proof accessories and international ATEX, DIP and other dust explosion-proof standards are compatible, according to customer demand to assist in handling the corresponding international certifications; power supply parameters to support the customization (220V-660V/50Hz/60Hz), can be a perfect match for different regions in North America, Europe, Southeast Asia, the Middle East and other overseas grid requirements. The power supply parameters can be customized (220V-660V/50Hz/60Hz), which can be perfectly adapted to the power grid requirements of North America, Europe, Southeast Asia, the Middle East, and other overseas regions, without the need to modify the power supply system;

4.3 Overseas environment adaptation: the surface of the whole machine is professionally treated with anti-rust, anti-corrosion and anti-dust accumulation, which can be adapted to overseas high humidity, coastal salt spray and various types of high dust operating environment, effectively preventing the equipment from failing due to the accumulation of dust and corrosion of the environment, and greatly enhancing the service life of the equipment;

4.4 Operation Adaptation: Equipped with dust explosion-proof ground operation handle and wireless remote control, the operation interface is simple and with Chinese and English bilingual logo, the operation process is spark-free, and the effective distance of the wireless remote control is ≥100m, so that the operator can complete the lifting operation in the safe area of the workshop, avoiding direct contact with the high dust environment and enhancing the operation safety of the operator.

5. Overseas exclusive supporting services

Henan Mine Crane, as a professional explosion-proof crane manufacturer, for the use of overseas dust explosion-proof equipment needs, to provide a full range of exclusive ancillary services, completely eliminate the procurement, installation, maintenance concerns of overseas customers, so that customers can buy with confidence, with peace of mind:

5.1 Data support: Provide a full set of English technical data, including dust explosion-proof test reports, installation drawings, operation manuals, maintenance manuals, all the data are in line with international dust explosion-proof standards, so as to facilitate overseas customers to handle the local equipment access procedures;

5.2 Installation guidance: equipped with 7 * 24 hours overseas remote video installation guidance, technicians are qualified to install dust explosion-proof equipment, real-time answers to the explosion-proof installation specifications and dust workshop installation precautions, can also be arranged according to customer demand for professional explosion-proof technicians door-to-door installation, the cost of transparent can be negotiated;

5.3 Spare parts guarantee: in Malaysia, Germany, Russia and other overseas core areas with spare parts agents, dust explosion-proof electric hoist, explosion-proof motors, brake pads and other commonly used dust explosion-proof wearing parts are in stock, overseas customers can be shipped to the neighboring countries within 72 hours of the order, to ensure that spare parts are supplied in a timely manner;

5.4 After-sales technology: the opening of 7 * 24 hours English after-sales hotline, equipped with professional dust explosion-proof equipment technical engineers, can provide remote dust explosion-proof fault diagnosis and solutions, complex faults can be arranged for overseas network of explosion-proof technicians to deal with door-to-door, to minimize equipment downtime losses.

What Can Henan Mine Crane Dust-Proof Explosion-Proof Overhead Crane Offer You?

Value Category Specific Benefits Description
Dust Explosion-proof Safety Full dust-proof seal design; DIP A21 T130 grade Eliminate spark/electrostatic hazards, safe for all flammable dust working environments
Space Utilization Roof-suspended installation; no ground structure Release 100% ground working space, fit material-dense dust workshop
Cost Optimization 40% lower cost than supporting bridge crane; no large hoisting equipment for installation Save purchase and infrastructure cost, fit small and medium-sized dust processing enterprises
Installation Flexibility Modular splicable main beam; lightweight structure Easy installation by manual work, splice to cover any size of workshop
Overseas Compatibility Customizable power supply; ATEX/DIP compatible Adapt to global power grids and international dust explosion-proof standards
Operational Safety Wireless remote control ≥100m; explosion-proof control device Operate in safe area, avoid direct contact with high dust environment
Expansibility Splicable main beam track Directly splice new track for workshop expansion, no need to replace the whole machine
Long-term Reliability Dust accumulation proof treatment; high-quality dust-proof parts Long service life, low failure rate in harsh high dust environment

Detailed Specifications for Henan Mine Crane Dust-Proof Explosion-Proof Overhead Crane

Capacity

T

1

Span

m

3.5

8.5

12.5

16.5

20

22.5

Lifting height

m

6/9/12/18/24/30

Lifting speed

m/min

8or (8/0.8)

Trolley travelling speed

m/min

20

Crane travelling speed

m/min

20

Total weight

kg

1075

1555

1891

2309

3111

3383

Max. Wheel load

KN

9.52

10.19

10.91

11.91

13.87

14.53

Rail recommended

Model

120a~145c

Total motor power

kw

2.5kw

Main dimension (mm)

Span(m)

3.5

8.5

12.5

16.5

20

22.5

Rail top to hook center

H4

847

Crane base distance

W

1000

1500

2000

2500

3000

Crane width

B

1500

2000

2500

3000

3500

Hook left limitation

S1

310

Hook right limitation

S2

130

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

Application Scenarios of Dust-Proof Explosion-Proof Overhead Crane Manufactured by Henan Mine Crane

China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
Grain, Oil, and Feed Processing Workshops
Designed for powder handling and feeding operations in flour mills, oil mills, and feed mills, the explosion-proof sealed structure prevents combustible dust explosions. The suspended design saves floor space and is suitable for high-risk dust environments in Zones 21 and 22.
Wood Processing and Furniture Factories
Designed for sawing and sanding workshops with high concentrations of wood flour and wood chips, used for hoisting panels and woodworking components. Spark-proof and anti-static design eliminates the risk of dust ignition and explosion, ensuring smooth, impact-free operation.
Metal Polishing/Grinding Workshops
Suitable for environments with aluminum powder, magnesium powder, and metal polishing dust. Used for hoisting workpieces and abrasives. Fully sealed dust-proof design protects electrical components and meets explosion-proof hoisting requirements for metal powders.
New Energy Anode and Cathode Material Workshops
Used for the transfer of lithium battery anode and cathode powders and graphite powder. DIP dust explosion-proof certification, clean and dust-proof design, suitable for high-risk production areas involving new energy powders.
Fireworks and Firecrackers Raw Material Workshops
Used for hoisting flammable powder raw materials such as gunpowder and pyrotechnic powder. Low-speed micro-motion control prevents collision sparks, and explosion-proof and dust-proof structures ensure safety during high-risk powder operations.
Plastics/Chemical Fiber Dust Workshop
Designed for dust-prone environments in plastic pelletizing and chemical fiber production, this workshop handles the hoisting of plastic pellets and raw materials. It features dust-resistant sealing to prevent explosion risks associated with combustible chemical fiber dust.
Contraindications and Selection Recommendations
Do not exceed the explosion-proof rating; not suitable for handling highly corrosive or super-high-temperature molten materials.
Standard models are not approved for underground coal mines (specialized mining explosion-proof models required).

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.
1
Clarify Your Crane Needs
Thoroughly understand your lifting requirements (load details, frequency, and workspace environment) before approaching crane manufacturers.
2
Determine Crane Service Class
Calculate the required crane service class based on your operational intensity to ensure optimal performance and longevity.
3
Explore Crane Supplier Custom Features:
Investigate available customization options and special features to enhance safety, efficiency, and precision for your specific application.
4
Assess Crane Factory Engineering Capability
Evaluate the manufacturer's engineering strength to ensure they can design a suitable solution tailored to your needs.
5
Verify Quality & Compliance of Crane Company
Check the crane manufacturer's manufacturing quality, certifications, and compliance with international standards and your local safety regulations.
6
Ensure Support & References
Confirm 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.
Henan Mine Crane Factory Team

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.
Henan Mine Crane Factory

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.
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The services we provide

China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry 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
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Our Patents and Certifications

China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years

Customer Testimonials & Top Choices

China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
stated: "We've partnered with you for 15 years. From our first factory in the UAE to our new facility now, we consistently choose your equipment because we trust your reliability and service. The single-girder cranes at the new plant are precisely positioned, and the synthetic ropes don't contaminate our cleanroom environment. You always respond immediately whenever we have a need."
Group Director Christiano
Italian LTC Group (Global Magnetic Core Manufacturer)
stated: Your customized tower crane passed all North American safety certifications. Its construction is solid. We recommended it to local builders and received excellent feedback. We're placing an additional order for 20 units to cover construction projects in Western North America.“
Founder Peter
North America P&J Arcomet (Leading North American Tower Crane Service Provider)
Collaborative Equipment: 8 high-precision positioning single-girder cranes (positioning accuracy ±2mm) Customer Feedback (Production Line Manager Jochen): “Our vehicle assembly line demands extremely high component positioning accuracy. Your cranes integrate seamlessly with our robotic systems, significantly boosting assembly efficiency. German engineers gave the equipment a big thumbs-up for its stability and precision.”
(Production Line Manager Jochen)
BMW Leipzig Plant, Germany

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Your Top Concerns About Henan Mine Crane manufactured Dust-Proof Explosion-Proof Overhead Crane and Answers

China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
What flexible cooperation options are available for international clients?
Answer: We offer globally competitive cost-performance ratios and diversified international cooperation solutions! We provide multiple trade term options including FOB, CIF, and DDP, along with customized payment methods such as letters of credit, installment payments, and milestone-based project payments.
What is the key difference between the LHB model and traditional explosion-proof overhead cranes?
Answer: The LHB model features a European-style lightweight design. The low-headroom layout of the seated explosion-proof hoist increases space utilization by 20%. It supports both gas and dust explosion protection, eliminating the need for separate purchases. With its light weight and low wheel load, it can be installed directly in lightweight industrial buildings, reducing civil engineering costs by over 40%.
Can the crane equipment be used in both gas and dust explosion-hazardous environments?
Answer: Absolutely. This equipment features a dual explosion-proof design, making it suitable for both gas and dust explosion-hazardous environments. The standard gas explosion-proof rating is Ex d IIB T4, which covers most flammable gas scenarios, and a customized Ex ia IIC T6 gas explosion-proof rating is also available.
How much does the low-headroom design increase vertical working space?
Answer: Through the integrated design of the seated explosion-proof hoist and trolley frame, the overall height of the equipment is reduced by 30% compared to traditional explosion-proof overhead cranes. Given a fixed factory ceiling height, the effective lifting height of the hook can be increased by more than 20%
Does the equipment have special requirements for the factory structure?
Answer: No structural reinforcement of the factory is required. This equipment features a lightweight design, with a self-weight reduced by over 25% compared to traditional models and very low wheel pressure. Standard light-duty factory track beams and corbels are sufficient to meet the load-bearing requirements.
Does the product comply with international explosion-proof standards?
Answer: The product complies with mainstream explosion-proof certification systems such as EU ATEX and international IECEx. We can assist with obtaining international certifications like CE and GOST based on customer needs, enabling direct export to Europe, North America, Southeast Asia, and other regions worldwide.
Is the equipment difficult to install?
Answer: Installation is very simple and requires absolutely no large-scale lifting equipment. The equipment features a modular assembly design, with the main beam and end beams connected via high-strength bolts. Since all components are lightweight, on-site assembly and installation can be completed by just 2–3 ordinary workers.
What should be noted regarding daily maintenance?
Answer: Daily maintenance has no particularly complex requirements. The key is to regularly clean dust and debris from the equipment’s surface, perform routine lubrication on the wire ropes and hoist bearings, and check that the explosion-proof seals are intact.
What safety devices are included with the equipment?
Answer: In addition to standard overload limiters, travel limit switches, and emergency stop buttons, the equipment is also equipped with explosion-proof sealing protection devices, anti-static grounding devices, and friction spark protection devices
What is the delivery lead time for single-unit or bulk purchases?
Answer: The delivery lead time for standard specifications is 15–30 days. For models with customized explosion-proof ratings or spliced spans, the lead time is 30–45 days. For bulk purchases of 5 units or more, the delivery lead time can be reduced by 15%.
Can the explosion-proof electric hoist be replaced with an international brand product?
Answer: It is fully compatible with dust-proof explosion-proof electric hoists from internationally renowned brands. Our equipment was designed with overseas customers’ accessory selection needs in mind; the hoist mounting interface uses internationally standard dimensions, allowing for direct replacement without modifying any structural components of the equipment.
Compared to the Konecranes brand of explosion-proof cranes, where does the cost-effectiveness advantage lie?
Answer: Answer: The total lifecycle cost of our LHB model is over 50% lower than that of international brands, offering a significant cost, offering a highly significant cost-effectiveness advantage.

Operating Dust-Proof Explosion-Proof Overhead Crane

China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
Each crane must display a rated load capacity plate in a conspicuous location.
No personnel are permitted on the girder during operation, nor may the hook be used to transport persons
Operation is prohibited without a valid operator's license or under the influence of alcohol.
Operators must maintain full concentration during operation; talking, smoking, or engaging in unrelated activities is strictly forbidden.
Keep the crane clean and tidy; do not store equipment, tools, flammable materials, explosives, or hazardous substances haphazardly.
Do not overload the crane.
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
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.
.For bridge cranes equipped with main and auxiliary hooks, do not simultaneously raise or lower both hooks (except under special circumstances).
Welding or hammering on suspended loads, or working beneath suspended loads, is prohibited (except when properly supported).
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.
Do not throw objects from the vehicle indiscriminately.
Regularly inspect limit switches and interlock protection devices.
Do not use limit switch impact as a stopping method.
Do not lift or lower loads when hoist brakes malfunction.
Do not operate the hoist above personnel or equipment.
When welding any part of the crane, use a dedicated ground wire; do not use the crane body as a ground.
When the hook is at its lowest position, ensure at least two full turns of safety rope remain on the drum.
Cranes must not collide with each other; using one crane to push another into operation is strictly prohibited.
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.
Maintenance and inspection lighting must operate at voltages below 36V.
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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    Henan Mine's Double-girder Electric Hoist Bridge Crane, renowned for their high lifting capacity, exceptional stability, and extensive operational range, are widely utilized across diverse industrial production and material handling scenarios. They serve as core lifting equipment for industrial and mining enterprises, logistics warehouses, and other sectors.

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