800300191 XCMG Crane Parts Drive Shaft BJ212(195-215)

Product Description

XCMG Crane Parts Drive Shaft BJ212(195-215)

800300191 fits the following models:

Function:

The drive shaft of a crane is an essential component of the transmission system,playing several key roles in the normal operation of the crane:

1.Power Transmission

• Core Function:The primary role of the drive shaft is to transfer power generated by the engine from the transmission(or power take-off device)to the drive axle or other working mechanisms.For example,during crane travel,the power from the engine is transmitted through the drive shaft to the wheels,enabling the crane to move.

• In Lifting Operations:When the engine drives the hydraulic pump or hoisting mechanism,the drive shaft transfers power to these devices,allowing actions such as the lifting of the hook,extension of the boom,and rotation.

2.Compensation for Position Changes

• Angular Changes:During operation,the crane body may tilt due to uneven ground or the requirements of lifting operations.The drive shaft,equipped with universal joints and other components,can compensate for these angular changes,ensuring continuous and stable power transmission.

• Length Changes:In some cases,such as when the boom or chassis extends,the length of the drive shaft may change.The design of the drive shaft allows for some degree of telescoping to accommodate these length variations.

3.Balancing and Vibration Reduction

• Dynamic Balance:When rotating at high speeds,the drive shaft generates centrifugal forces.If not properly designed,this can lead to vibrations and noise.The drive shaft of a crane is precisely balanced dynamically to reduce vibrations and extend the life of the transmission system.

• Vibration Absorption:Components such as universal joints and sliding splines in the drive shaft can absorb some vibrations and impacts,protecting key components like the engine,transmission,and drive axle.

4.Improving Transmission Efficiency

• Reducing Energy Loss:The design and material selection of the drive shaft can minimize energy loss during power transmission,enhancing the overall efficiency of the transmission system.For example,using high-strength,low-friction materials can reduce energy consumption in the drive shaft.

• Optimizing Transmission Path:The drive shaft can optimize the power transmission path according to the structure and operational requirements of the crane,ensuring that power is efficiently transferred to various working devices.

5.Connection and Support

• Connecting Function:The drive shaft is a key component that connects the engine,transmission,hydraulic pump,drive axle,and other parts,forming an integrated transmission system.

• Support Function:The drive shaft itself also serves a supporting role,capable of withstanding certain torques and axial forces to ensure the stability and reliability of the transmission system.

In summary,the drive shaft of a crane plays vital roles in power transmission,position compensation,balancing and vibration reduction,improving transmission efficiency,and connection and support.It is an indispensable key component for the normal operation of a crane.