MHB Electric Hoist Semi-Gantry Crane
Product Introduction
The MHB Electric Hoist Semi-Gantry Crane is a rail-mounted lifting solution designed for outdoor yards, warehouses, and other industrial facilities. It works with CD1 or MD1-type electric wire rope hoists to handle general material lifting, loading, and unloading tasks.
With a semi-gantry structure, the crane is suitable for workplaces where a full gantry crane may not be necessary. It is available with ground-level or cabin operation to accommodate different working conditions and operator preferences.
According to the supplied specifications, the MHB crane has a rated lifting capacity of 2 tonnes and is available in spans of 10, 12, 16, and 20 metres. The standard lifting height is 6 metres, and the specified working temperature range is -20°C to +40°C.
Key Features
- Semi-gantry structure: Suitable for applications where a semi-gantry configuration fits the site layout.
- Electric hoist compatibility: Works with CD1 and MD1-type electric hoists.
- Multiple span options: Available in 10 m, 12 m, 16 m, and 20 m spans according to the supplied specifications.
- Flexible operation: Ground-level and cabin-operated configurations are available.
- Outdoor and indoor applications: Suitable for material handling in open yards, warehouses, and industrial work areas.
- Configurable travel mechanisms: Ground-operated and cabin-operated versions can use different travelling components.
- Industrial-duty design: The supplied working duty classification is A5.
Technical Specifications
| Item | Specification |
|---|---|
| Crane model | MHB |
| Crane type | Electric Hoist Semi-Gantry Crane |
| Rated lifting capacity | 2 tonnes |
| Span | 10 m, 12 m, 16 m, 20 m |
| Lifting height | 6 m |
| Working temperature | -20°C to +40°C |
| Operation mode | Ground-level or cabin operation |
| Hoist types | CD1, MD1 |
| Hoisting speed | 8 m/min (CD1); 0.8/8 m/min (MD1) |
| Hoist travelling speed | 20 m/min |
| Crane travelling speed | 20 m/min (ground operation); 20/30 m/min (cabin operation, as supplied) |
| Hoist lifting motor | ZD1 31-4/3 (CD1); ZDS 0.4/3 (MD1), subject to confirmation |
| Hoist travelling motor | ZDY12-4/0.4 |
| Reducer | LDAC1; integrated three-in-one drive for the applicable configuration |
| Wheel diameter | 245 mm / 200 mm, depending on configuration |
| Working duty | A5 |
| Recommended rail | P24 |
| Power supply | Three-phase AC, 380 V, 50 Hz |
Reference Dimensions and Loads
| Item | Supplied value |
|---|---|
| Overall dimension H | 840 mm |
| Dimension H2 | 550 / 595 / 700 / 900 mm |
| Dimension B | 4,010 mm |
| Dimension B1 | 3,810 mm |
| Dimension B2 | 1,500 mm |
| Dimension B3 | 2,000 mm |
| Crane weight, ground operation | 3,300 / 4,600 / 7,600 / 11,600 kg |
| Crane weight, cabin operation | 3,800 / 5,100 / 8,100 / 12,100 kg |
| Maximum wheel load | 14 / 19 / 27 / 35 kN |
Note: The original dimension table contains missing image-based entries and unclear alignment between some values and span options. Please confirm the dimension-to-span mapping, motor codes, and configuration-specific data against the manufacturer’s drawings before publishing these values as final specifications.
Working Principle
The MHB Electric Hoist Semi-Gantry Crane operates on a fixed rail system. Its electric hoist raises and lowers loads, while the crane travelling mechanism moves the lifting assembly along the designated travel path.
During operation:
- The electric hoist lifts or lowers the material using its lifting mechanism.
- The hoist travels along the crane girder to position the load horizontally.
- The crane travelling mechanism moves the semi-gantry crane along its ground rail.
- The operator controls lifting and travelling movements from ground-level controls or an operator cabin, depending on the selected configuration.
These coordinated movements enable the crane to transfer materials between designated handling positions within its working area.
Applications
The MHB Electric Hoist Semi-Gantry Crane is suitable for general material-handling operations, including:
- Outdoor industrial yards and storage areas.
- Warehouse loading and unloading.
- Workshops and manufacturing facilities.
- Handling components, equipment, and packaged materials.
- Industrial sites requiring rail-mounted lifting with a semi-gantry arrangement.
The final configuration should be selected according to the site layout, load characteristics, lifting frequency, and operating environment.
OEM & Customization
Hefei Chunhua Hoisting Machinery Co., Ltd. provides crane solutions that can be configured to meet project requirements. For the MHB Electric Hoist Semi-Gantry Crane, customization can be discussed for:
- Lifting capacity, span, and lifting height.
- Ground-level or cabin operation.
- Electric hoist selection and lifting speed.
- Crane travelling mechanisms and rail arrangement.
- Power supply and electrical control requirements.
- Structural dimensions and site-specific installation conditions.
Please provide the required load capacity, span, lifting height, travel distance, and working environment so the appropriate configuration can be evaluated.
FAQ
1. What is an MHB Electric Hoist Semi-Gantry Crane?
It is a rail-mounted semi-gantry crane that uses an electric hoist for lifting and is intended for general material handling in industrial facilities, yards, and warehouses.
2. What is the rated lifting capacity of the MHB crane?
The supplied specification table lists a rated lifting capacity of 2 tonnes. Other capacities should be confirmed with the manufacturer before being specified for a project.
3. What spans are available?
The supplied table lists spans of 10 m, 12 m, 16 m, and 20 m. The final span depends on the required working area and structural configuration.
4. Can the crane be operated without a cabin?
Yes. The supplied information identifies both ground-level operation and cabin operation as available options.
5. Which electric hoists can be used with this crane?
The supplied specifications identify CD1 and MD1-type electric hoists. The final hoist selection depends on the required lifting capacity, lifting speed, and operating conditions.
6. Is the MHB crane suitable for outdoor use?
Yes. It is intended for general lifting work in outdoor yards and warehouses. For outdoor installation, the configuration should account for weather exposure, wind conditions, rail foundations, and other site-specific requirements.
Inquiry CTA
Looking for a semi-gantry crane for your warehouse, workshop, or outdoor material-handling area? Contact Chunhua Cranes to discuss your lifting requirements and configuration options.
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