20 Ton Electric Railway Lifting Jacks , Railway Mobile Lifting Jacks

20 Tons Electric Railway Mobile Lifting Jacks Railway Screw Jacks For Rolling stock Lifting

Application scope:
The Mobile Lifting Jacks are used to lift the railway vehicles to a suitable height for assembly, inspection and maintenance, and lower the vehicles after work completed. Very convenient for the operaters to work at the bottom of the vehicles. The lifting jacks are operating synchronously as a groupe of 4 units.

Techical Parameters:

(* Above parameters are indicative, and can be modified as per customer's actual requirements.)

Main Features:

• The mobile lifting jack is mainly composed of jack frame, lifting walking trolley, Lifting device, Electrical control system, safety protection system, and 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 structure is reasonable, firm and reliable.
• 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.
• The synchronization of the lifting spindle is monitored and corrected by the motor wiring circuit, and controlled by the measuring device.
• The operation of the lifting jack is interlocked with the jack body to ensure the safety, and the incorrect operation is not allowed.
• All control stations are designed with solid shells and proper support to form a rigid structure. The outer corners and edges are smooth and round. Inner edges are also smooth.
• The main control console is provided with fault display panel. In case a fault occurs, the buzzer on the panel sounds and the lamp should flash to indicate the location and nature of the fault. Press the confirm button, the buzzer will stop and the flash will stop. When the fault is corrected, the display should be restored to normal, press the reset button.
• The spindle unit is provided with a movement limit switch to prevent the excessive lifting/lowering of any lifting element. Up and down position limits will be set and adjustable.
• All control stations are provided with emergency stop button.