Synchronised Lifting Jacks For Railway Vehicle Maintenance and Inspection
Application scope:
The Mobile Lifting Jacks are used to lift the railway vehicle to a suitable height for assembly, inspection and maintenance, and lower the vehicles. The operation of the lifting jacks is synchronous. The lifting capacity is avalable from 6 tons to 40 tons.
One set consists of (or as per required: 4, 6, 8, 12 .. as one set):
- 4 mobile lifting jacks with 25 tons capacity each, total capacity 100 tons.
- 1 mobile main control console. (Each jack with a local control box.)
- 1 set of connection cables and plugs.
Techical Parameters of Synchronised Railway Lift Jacks:
| Lifting capacity per jack | 25 tons |
| Total lifting capacity | 100 tons |
| Lifting speed | Approx.250 mm/min |
| Minimum lifting height | 600 mm |
| Maximum lifting height | 2500 mm |
| Lifting stroke | 1900 mm |
| Synchronization accuracy | 6 mm |
| Motor power per jack | 5.5 kW |
| Jack Weight | Approx.1750 kg |
| Overall dimension (LxWxH) | Approx. 1800x900x3300 mm |
| Service life | 15 years |
(*Above parameters are indicative, and can be modified as per customer's requirements.)
Main Features of the Screw Jacks:
- The mobile lifting jack is mainly composed of jack frame, Moving trolley, Lifting device, support anvil, Control box and safety protection system etc.
- The jacks are easy mobility. Lifting eyes are provided for each lifting jack.
- The jack frame is welded by steel plate and carried out stress relief and annealing heat treatment after welding.
- The lifting device is driven by the reducer motor to drive the screw nut to drive the lifting of the jack, so as to ensure its self-locking function from the mechanical mechanism.
- The lifting jack is provided with limit switch for the working nut. When the working nut is worn to the set position, a fault message will display on the screen and automatically cut off electric to ensure the safety.
- The lifting jack is provided with safety protection nut. When the working nut is seriously worn, and the working nut limit switch or electrical system also fails at the same time, the safety nut will bear the weight of the car body without causing danger.
- Each set of the lifting jacks is provided with a mobile control console for synchronous operation.
- The main control console consists of PLC, touchscreen, all electrical elements, operation buttons and the relevant cables etc. The control system has two operation models: Automatic and Manual.
- Each jack has a local control box with buttons of Up, Down, Emergency stop, Power indication and Fault indication.
- All control stations are provided with emergency stop button.

Warranty & After-sale Service:
One year of free warranty and lifetime maintenance for the equipment for your purchased equipment. During the warranty period, only due to design defects, manufacturing quality, and quality of purchased parts, our company is responsible for free maintenance. The company provides the required replacement parts (except for consumable parts). Over the warranty period, repairs only are charged at the cost price. At the same time, you will enjoy a lifetime software upgrade from the date of purchase; our engineers will provide a quick response when service is required.
For more information, please feel free to contact with us via email or WhatsApp.