195-20-32110 COUPLING
Coupling is an important component in the transmission system of bulldozers, mainly used to connect two shafts (such as engine shaft and gearbox shaft, transmission shaft and drive axle, etc.), transmit power and allow for certain axial, radial or angular deviations to adapt to the vibration, impact and installation errors of bulldozers during operation. basic function 1. Power transmission: Transmit the power of the engine or hydraulic motor to components such as the gearbox and drive wheels. 2. Compensation deviation: Allow axial displacement, radial offset, or angular deviation between the two axes to reduce the impact of installation errors. 3. Buffer and vibration reduction: Absorb the impact and vibration during bulldozer operation, and protect the transmission system.
Application of Couplings
Choose the plan that suits you best.
Connection between engine and gearbox
Using elastic couplings or hydraulic couplings to reduce the impact of engine vibration on the transmission system.
For example, CAT D6T, Komatsu D155A and other models use high elasticity couplings.
Transmission shaft connection
Adopting universal joints (universal joints) to adapt to the angle changes of bulldozers when operating on uneven ground.
For example, the transmission shaft of Shantui SD22 uses cross axis universal joints at both ends.
Hydraulic pump/motor connection
Adopting a plum blossom coupling (elastic block type), it allows for small deviations and absorbs the pulse vibration of the hydraulic system.
Final Drive Connection
Some heavy-duty bulldozers use gear couplings to ensure high torque transmission reliability.
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