Gold Member Since 2014
Audited Supplier

Shanghai HongWei Construction Machinery Co., Ltd.

Hoist Safety Device, Rack, Gear manufacturer / supplier in China, offering China Professional Supplier Construction Hoist, All Kinds of Rack Type Chinese Suppliers, Tower Crane Spare Parts Limit Switch and so on.

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Production scale

Standard section production workshop [Dec 08,2016]
Standard section production workshop
Standard Mast Section for Construction Hoist

1.The mast section main tube adopt  Φ 76*δ5mm seamless cold drawn tubes, uniform thickness than hot-rolled tubes, high precision!
2. M16*85 high strength bolts
3. Rack material is LG60, to ensure the rack quality superior than counterparts.   
4. Automatic Vehicle Machine is our patented technology, including the grating detection (if the length or straightness tolerances are not met, the workpiece will automatically drain to go below and no longer processing) with automatic feed mechanism, mast section main tube machining precision greatly improved in order to ensure mast section reliability, while significantly improving the efficiency of production of 750 units / day.
5.Welded by seamless steel tube, steel angle, steel tube, equipped with the disconnectable rack on both sides. 
There is stopper welded on the lower end of the main rod, there is the spring pin on the lower end of the rack to 
ensure the accurate position of the installed master section. The cross section of the master section is 650×650 mm, the guide rail connected with the building through the wall tie.