L-type Offset Gantry Crane
L-type Offset Gantry Crane Parameters Manufactured by Henan Mine Crane
| Parameter | Specification | Remarks |
| Type | MHL | Type test specification |
| Product Name | Electric Hoist Gantry Crane | Type test product name |
| Rated Lifting Capacity | 1t – 32t | Customizable |
| Span | 6m – 35m | Customizable for yard/workshop |
| Lifting Height | 4m – 20m | Customizable |
| Working Class | A3~A5 | Conventional intermittent operation |
| Structural Form | L-shaped leg, single girder | With/without cantilever optional |
| Lifting Mechanism | Special electric hoist | Mature technology, stable performance |
| Travel Drive | Three-in-one frequency conversion drive | Smooth start & stop, precise speed regulation |
| Lifting Attachment | Hook / Grab / Electromagnetic chuck | Multi-purpose for different materials |
| Structure Feature | Compact structure, light self-weight | Low requirement for ground foundation |
| Operation Mode | Pendant control / remote control | Optional |
| Power Supply | 380V/50Hz; 220-660V/50-60Hz | Global power grid customizable |
| Protection Level | IP54 | Dustproof, rainproof |
| Application | Long material & general material handling | Steel yard, workshop, building materials factory |
| Certification | National crane standard | Assist CE/ISO9001/GOST/FEM application |
Product Introduction of Henan Mine crane L-type Offset Gantry Crane
Henan Mine Crane L-type electric hoist gantry crane is a special gantry lifting equipment developed in strict accordance with the standard of electric hoist gantry crane, electric hoist as the lifting mechanism, through the two sides of the outriggers supported by the ground track operation, can complete the vertical lifting of the material, longitudinal and lateral movement, the fetching device to support hooks, grabs, electromagnetic suction cups in a variety of configurations, the outriggers can be cantilevered to extend the scope of operation, can also be designed without cantilevering!
Henan Mine Crane specializes in gantry lifting products for long material lifting and large-angle steering scenarios.
This L-type electric hoist gantry crane is specially optimized for long component lifting and narrow space operation scenarios: the L-shaped outrigger design brings large lifting space and strong spanning ability, and the long materials can pass through the outrigger smoothly, which is suitable for large-angle steering operation.
The whole machine has compact structure and light weight, which makes transportation and installation more convenient; the operating mechanism adopts three-in-one frequency conversion drive, which has smooth starting and stopping, accurate speed regulation, and low running noise.
The equipment can be equipped with a variety of pick-up devices to meet the needs of bulk materials, miscellaneous, steel, long components and other types of material handling, suitable for global machining, building materials, logistics, steel markets and other conventional operating scenarios, is a cost-effective and specialized solutions for long material lifting, space-constrained working conditions.

1. Product core positioning and design standards
The core positioning of MHL type L electric hoist gantry crane is to provide global customers with special solutions for long material lifting, large space spanning, and variable frequency smooth operation. Designed in line with China’s national industry standards for electric hoist gantry cranes, synchronized with the international FEM, EU CE, ISO standards, for the three core needs of long component handling, narrow space, smooth operation, the use of L-shaped shaped outriggers and three-in-one inverter-driven design, to meet the needs of the A3 ~ A5 class of conventional intermittent operations, to match the global indoor workshops, outdoor yards, steel markets and other long material handling conditions.
2. Core structure and function design
- L-shaped special outrigger structure: Innovative L-shaped outrigger design greatly expands the lifting space and has strong spanning ability, so that long materials and large-sized components can pass through both outriggers smoothly, which is perfectly suited for the lifting of long objects and large-angle steering scenarios.
- Three-in-one frequency conversion drive: the operating mechanism is equipped with three-in-one frequency conversion drive device as standard, integrating motor, reducer and brake, with smooth speed regulation, no impact when starting and stopping, high operating precision and low failure rate, which is suitable for precise material handling needs.
- Multi-purpose pick-up device: flexible selection of hooks, grabs, electromagnetic suction cups, hooks for lifting conventional groceries, grabs for loading and unloading bulk materials, electromagnetic suction cups for handling steel, iron, a machine suitable for multiple types of material handling operations.
- Compact and lightweight structure: the whole machine has a compact structure and light weight, which reduces the transportation and installation cost, and requires less load bearing on the ground track and foundation, so that it can operate stably in old sites and simple tracks.
- Flexible cantilever configuration: the outboard side of the legs can be configured with a cantilever structure, realizing trans-inside to trans-outside operation and expanding the handling range; the cantilever can also be canceled to adapt to the narrow operating space, which makes it more adaptable to the site.
- Mature electric hoist lifting mechanism: adopting high-quality special electric hoist, mature technology, stable performance, stable and reliable lifting action, to meet the needs of conventional vertical lifting and lowering of materials.
3. Core product advantages
- L-type leg space: large lifting space, strong spanning ability, long materials without obstruction through, to solve the industry pain point of long components lifting obstruction, difficult to steering.
- Frequency conversion drive is smoother: three-in-one frequency conversion operation, no impact of starting and stopping, accurate speed regulation, protection of materials and equipment, and enhancement of operational safety.
- Lightweight and easy to install: compact structure and light weight, no need for large lifting equipment to install, low rail and foundation requirements, less upfront investment.
- Wide adaptability of multi-bucket: hook/grapple/electromagnetic suction cups are optional, covering the whole category of material handling for bulk materials, miscellaneous materials, steel materials and long components.
- Global adaptability and easy to export: support international certification, global grid customization, standardized design and strong compatibility, can be directly exported around the world.
4. Global Adaptation and Application Scenarios
- Application Scenario: Global steel market, machining workshop, building materials processing plant, outdoor yard, logistics and warehousing park, used for lifting long materials such as steel pipes, profiles, beams and columns, loading and unloading of bulk materials such as coal, sand and gravel, and handling of miscellaneous goods such as steel materials and components.
- Standardization: Support CE, ISO9000, GOST, FEM and other international certifications, power supply 220V-660V/50-60Hz is fully customized to meet the global power grid standards.
- Environment: rainproof, dustproof, weatherproof, stable operation in indoor workshop, outdoor open air, high dust environment, coastal salt spray environment can be upgraded with anticorrosion.

5. Global exclusive supporting services
- Provide English/Spanish/Arabic full set of technical data, installation drawings, operation manuals, inverter system commissioning guide;
- 7×24 hours global remote video installation and commissioning guidance, lightweight structure for easy installation and fast assembly;
- Equipment parts centers in Germany, the United States, Malaysia, the United Arab Emirates, electric hoists, three-in-one drive, walking wheels 72 hours of rapid global delivery;
- Multi-language after-sales hotline, professional L-type gantry crane engineers remote troubleshooting, frequency conversion system maintenance guidance.
What Can Henan Mine Crane L-type Offset Gantry Crane Offer You?
| Value Category | Specific Benefits | Description |
| Handling Space | L-shaped leg, strong crossing ability | Smooth passage for long materials, large angle turning |
| Operation Stability | Three-in-one frequency conversion drive | No impact, precise positioning, low noise |
| Cost Reduction | Light weight, compact structure | Save transportation, installation and foundation cost |
| Application Flexibility | Hook/grab/electromagnetic chuck optional | Adapt to bulk cargo, piece goods, steel and long materials |
| Site Adaptability | With/without cantilever design | Expand working scope or fit narrow space |
| Operational Reliability | Mature electric hoist, stable performance | Long-term stable operation, low failure rate |
| Global Adaptability | International certification, custom power | Direct export worldwide, no modification |
| Environmental Adaptability | Indoor and outdoor universal | Suitable for conventional harsh working conditions |
Detailed Specifications for Henan Mine Crane L-type Offset Gantry Crane
| Lifting capacity
(t) |
Span
(m) |
Lifting height
(m) |
Work duty | Main lifting
(m/min) |
Deputy lifting
(m/min) |
Trolley travelling
(m/min) |
Crane travelling
(m/min) |
Power
(KW) |
Rail type |
| 5 | 18~22 | 10 | A5 | 9.2 | — | 36.6 | 46.3 | 27.8 | 43Kg/m |
| 26~35 | 11 | 40.1 | 36.8 | ||||||
| 10 | 18~22 | 10 | 8.5 | — | 39.7 | 39.6 | 38 | ||
| 26~35 | 11 | 40.1 | 47 | ||||||
| 16/3.2 | 18~26 | 10 | 7.9 | 11.2 | 39.5 | 40.1 | 64.6 | ||
| 30~35 | 11 | 47.1 | 75.6 | ||||||
| 20/5 | 18~26 | 10 | 7.1 | 9.2 | 39.3 | 40.1 | 67.3 | ||
| 30~35 | 11 | 47.1 | 78.3 | ||||||
| 32/5 | 18~22 | 10 | 6.3 | 9.2 | 38.6 | 48.2 | 85.5 | QU80 | |
| 26~35 | 11 | 38.6 | 93.5 | ||||||
| 50/10 | 18~26 | 10 | 5.9 | 8.5 | 38.5 | 39.7 | 141 | ||
| 30~35 | 12 |
Product Advantages Overview
Detailed Drawing of L-type Offset Gantry Crane Manufactured by Henan Mine Crane
Application Scenarios for L-type Offset Gantry Crane Manufactured by Henan Mine
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Steel Profile MarketL-type outrigger gantry cranes are used in steel trading markets and profile warehouses to lift long materials such as steel pipes, H-beams and beams, etc. The L-type outriggers can cross the span without any obstruction, and run smoothly to avoid collision damage to the materials.
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Mechanical processing workshopL-type outrigger gantry cranes are suitable for machining and heavy equipment manufacturing workshop, lifting machine tool parts, large components, long shaft parts, accurate positioning assembly, dust and oil pollution prevention.
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Building Material Processing PlantL-type outrigger gantry cranes are suitable for gravel, stone and cement factories, which can be used for lifting components by hooks, loading and unloading bulk materials by grabs, and can be used for indoor and outdoor operations with rainproof, dustproof and anticorrosion resistance.
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Open yard and logistics parkL-type outrigger gantry cranes are used in open cargo yards, logistics parks, bonded areas for material transfer, long materials, bulk materials, mixed handling of miscellaneous goods, remote control operation is convenient, and adapted to global voltage standards.
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Construction siteL-type electric hoist gantry cranes are suitable for construction and road construction sites, lifting construction components and raw materials, lightweight and easy to install, suitable for temporary outdoor work, rainproof and dustproof.
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Profile Processing WorkshopL-type electric hoist gantry cranes are used for aluminum and steel profile production and stacking of finished products, L-type legs to avoid bending and bending damage to long profiles, low-noise operation, in line with the requirements of environmentally friendly production.
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Mining auxiliary operation areaL-type electric hoist gantry cranes are used for the auxiliary transfer of open pit mines, lifting ores, equipment accessories, support components, wear-resistant and dust-proof, suitable for the harsh environment of high dust in mines.
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Port auxiliary yardL-type electric hoist gantry cranes are used in auxiliary cargo yards of inland ports and wharves for lifting general cargo and long profiles, with compact and flexible structure, suitable for outdoor transshipment needs of ports.
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Model Selection Recommendations:Select models based on material weight, allowing a 10–20% safety margin. Henan Mine offers on-site surveys to precisely match models with operational environments and lifting requirements.
Crane Operation Demonstration
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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.
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Your Top Concerns About Henan Mine crane Manufacturing L-type Offset Gantry Crane and Professional Answers
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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.
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What are the core advantages of L-shaped outriggers?Answer: L-shaped outrigger design can greatly expand the lifting space, enhance the spanning capacity, long materials, large-sized components can pass through both sides of the outrigger, but also to meet the large-angle steering operations, a complete solution to the ordinary outrigger long material lifting obstruction, steering limitations of the problem.
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What are the benefits of 3-in-1 frequency conversion drive?Answer: The three-in-one frequency conversion drive integrates motor, reducer and brake, starting and stopping without impact, more accurate speed regulation, and smooth operation without shaking.
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What kind of sites are cantilevered and non-cantilevered suitable for?Answer: With cantilever is suitable for the site that needs to be transferred from inside to outside, expanding the handling range; without cantilever is suitable for the site is narrow, only need to work across the scene, the structure is more concise, occupies less space.
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How does the light weight of the machine help?Answer: Light weight can reduce transportation cost, simplify installation process, no need for large lifting equipment, and lower load-bearing requirements for ground track and foundation.
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Can L-type single girder portal crane be customized?Answer: Fully customizable in all dimensions, and can be personalized according to the yard/workshop dimensions, material weight, and long material dimensions.
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Do the products comply with international standards?Answer: It meets the standard of electric hoist gantry crane, compatible with CE, ISO, GOST, FEM and other international certifications, and can be directly exported to all over the world.
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How is the protection performance?Answer: Indoor and outdoor universal, the whole machine protection level IP54, rain, dust, weather resistance
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What are the advantages of this product compared with ordinary single girder portal cranes?Answer: The core advantage is that the L-type outriggers have a large space over the span, which is specially adapted to long material lifting; with the three-in-one frequency conversion drive is smoother and more adaptable to the site, it is a special model for long material handling scenarios.
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Is the daily maintenance difficult?Answer: Maintenance is extremely simple, daily only need to check the electric hoist, inverter drive running status, lubricate the traveling parts, fasten the connecting parts can be, ordinary workers can be completed after simple training.
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What are the advantages of this product compared to Konecranes L-type Single Girder Gantry Crane?Answer: It offers better value for money, with procurement and maintenance costs amounting to only about 50% of Konecranes’ costs; its insulation performance and operational precision rival those of Konecranes; it supports customization; and with a global spare parts supply and a 72-hour response time, after-sales service is more convenient.
Operating Manual for L-type Offset Gantry Crane
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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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