Detailed introduction to electric hoist crane TC4808:

Shandong Yongli tower crane

1.Raw material
Yongli tower crane purshase steel in dulk directly from big steel factories like Baosteel and guarantee the safety of our product.

 
2.Electrical mechanism
Yongli tower crane Select and use France Schneider contactor, broken phase and phase sequence protection and complete protection for motor overhead.

3.Hoist Derricking Slewing mechanism
Brake wheel adopts cast steel materials,surface quenching and external circular,control the beating degree strictly.Derricking mechanism with free maintenace planetary reducer and cone brake motor.Slewing motor adopts winding motor and hydraulic transmission.slewing is stable and powering.

4.We adopts advanced Robot automatic welding system and plasma cutting machine.The first-class equipment and production process makes the first-class tower crane in China.

5.strict quality examination
Raw material,welding,welding appearance quality and main parts must been tested strictly,and guarantee the safety and stability of the whole product.

Technology parameters about  QTZ4808 

.Production   workshop   show

Certificate

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