Machinery Spare Parts Strengthened Ladder for Tower Crane

Our main products are France  type and QTZ type tower crane parts, mast section. anchore frame, fixing angle, pin, bolt, various mech, assembly and spare parts, control box, resistance box and spare parts, drive room and spare parts, wire rope, pulley, cable etc. complete anti-parts

We can also supply any part of tower crane,such as hoisting mechanism,trolleynig mechanism,slewing mechanism and so on.

Specifications :

The products are according to the followlng technical parameters .

Raw material control:

1.The steel material selected 100 % comes from our natlonal large-scale

steel corporations .

2.The critical materials that steel,welding material etc are all examed

by chemical detection , then They are allowed into workshop for batch

production.

3.Strictly conforms to drawing requirements, we make the products with

16 Manganese,40 Chromium and 45#steel etc .

4,Every parts of our products that pins ,axles,sleeves etc are strictly

obey quenching and tempering procedures .

5,Every parts of our products strictly conforms to the procedure

requirements : mill ,plane, polish, press ,test etc in turn.

 6,As for have finished products ,we perform the requirements of the

ISO9001 Quality System and national standard strictly.

 

General introduction of tower crane main mechanisms .

( 1 ) Main raw material of tower crane's body and tower-cap are 16

Manganese,Q345B Steels , which are selected from heavy wall seamless

steel pipe manufactured by Ansteel Steel Group.

( 2 ) Hoisting mechanism " Jiuhe " and " Yibin " brand are provided by

national-level manufacturer. To adopt eddy current brake,four-speed

winding hoist.

( 3 ) Slewing bearing : appointed corporation of Fangyuan Slewing

Bearing Factory .

( 4 ) Slewing mechanism : equipped with four-speed winding motor and "

Shengjian " brand, the quality is the same with exporting supplier "

" .

( 5 ) Luffing mechanism is double-speed cone rotor motor, so It's

needn't refill gear lubricant or maintenance , and double-planetary

reducer.

( 6 ) Electrical apparatus system : The main contactor is from

Siemens. The operating system is a high-quality product (

 integrated pellet ) ,which provided by Sanmen Sangang ,and is

durable in use.

( 7 ) Welding : welding is carbon-dioxide shielded and automatic

submerged arc welding. Feature: advanced technology,strong

connectivity.

( 8 ) Driver cab : With arc space capsule , toughened glass , wide

field of vision , clear and safe ,auto wiper, air conditioner.

( 9 ) Basic mast section : square strengthened steel, repeatedly

applicable, convenient in tower crane displacement. But lower in cost.

( 10 ) Mast section : 3 meters in length , strengthened bolted with

10.9 grade high-strength bolt . each mast section with 12 bolts .(

common manufacturers adopts 8.8 grade).

2017 strengthened folding platform three section ladder for tower crane in China    2017 strengthened folding platform three section ladder for tower crane in China