Applicable to large and medium-sized crane and port loading and unloading machinery working and non working state wind braking, mechanical locking effect. 

1 top rail to disc spring has the largest top track up to 60 tons.

2 the hydraulic power station is used to drive and control the hydraulic station, and the 2 sets of top rail are generally driven by the hydraulic station.

When the 3 rail device is designed to accept the loose rail according to the normally closed type, the hydraulic oil cylinder moves the piston rod to push the rocker arm to drive the push rod to rise to realize the loose rail.

4 with a manual pump if you need to release the top force.

5 fasteners, the lock shaft for stainless steel, has excellent corrosion resistance.

6 working pressure is 6-9MPa.