The Counter Roller for construction hoist , we have our own equipment, can meet the different needs of product manufacturing.provide all the products for you from Zoomlion,GJJ and Baoda.We can supply many kinds of spare parts for chinese construction hoist, high quality will be strictly guaranteed and fast delivery can be made if order placed.

Since the rack tooth profile is a straight line , so that each point on the tooth profile with the same pressure angle , and equal to the inclination angle of the tooth profile , this angle is called pressure angle , standard value is 20 °. either with an addendum line parallel with the same pitch on a straight line and modulus .parallel to the top line and the tooth thickness of the tooth space width of the straight line is called equal dividing line ( neutral) , it is calculated the size of the rack baseline .

Construction hoist spare parts :

Gear Rack; Safety device; Motor; Driving device; Gear box; Gearbox; Coupling; Gear; Brake sheet; Windlass machine; Hoist mechanism; Limit switch; Rollers; Overload indicator and sensor;

Tower crane parts:

Hoisting mechanism; Varibale-frequency speed regualtion hoisting mechanism; Trolley mechanism; Slewing reducer; Electrical control cabinet; Load moment indicator;

Autogate parts:

Gear rack; Gate rollers; gear

Construction hoist spare parts

Counter Roller for GJJ and Baoda passenger hoist

Brand :GJJ, BAODA....

Our main products are Pessenger  hoist and spare parts like the motor  reducer , mast  section ,  safety device.