Device for reducing transmission shaft torsional vibration of special vehicle

Abstract

The invention relates to a device for reducing transmission shaft torsional vibration of a special vehicle. The special vehicle comprises an engine, as well as a first transmission shaft, a universal coupler, a transmission shaft middle support, a second transmission shaft, a gear box auxiliary support, a gear box and a transfer case which are hung behind the engine, wherein the transmission shaft middle support at least comprises a first middle support, a second middle support and a middle support coupler; through holes are formed in both the first middle support and the second middle support; the middle support coupler penetrates the through holes in the first middle support and the second middle support, so as to form a double-middle support structure for the transmission shafts; and the axial direction angle Alpha between the first transmission shaft and the second transmission shaft is larger than or equal to 1.4 degrees and smaller than or equal to 3.0 degrees. Through the change of the middle support mode of the transmission shafts, breakage is avoided effectively; and the radial run-out of the transmission shafts is also reduced effectively, which has a favorable effect on reducing the transmission shaft torsional vibration.

Description

technical field [0001] The invention relates to a mechanism for reducing the torsional vibration of a transmission shaft, in particular to a device for reducing the torsional vibration of a transmission shaft for a special vehicle. Background technique [0002] The layout of the power transmission system of the two-axle off-road engineering vehicle in the prior art is as follows: figure 1 As shown, it is mainly composed of the engine and its suspension 8, cooling fan 9, engine flywheel housing 7, first transmission shaft 6 behind the engine, universal coupling 5, transmission shaft intermediate support 4, second transmission shaft 3, The gearbox auxiliary support 2, the gearbox and the transfer case 1 are composed. [0003] Power transmission The transfer case transmits the power output by the gearbox to the front steering / drive axle and the rear drive axle through two independent shafts, thus completing the power transmission of the vehicle. This structural arrangement in...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to propose a device for reducing the torsional vibration of the transmission shaft of a special vehicle that can solve the problems of the transmission shaft torsional vibration caused by excessive load reaction torque and radial force and the damage of the intermediate support of the transmission shaft.

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