Transmission shaft with anti-torque and vibration attenuation functions
A torsional vibration damping and transmission shaft technology, applied in the field of transmission shafts, can solve the problems of occupying a large space, poor torsional resistance, adverse effects of vehicle layout, etc., and achieve the effects of enhanced torsional resistance, compact structure, and convenient assembly.
Active Publication Date: 2013-08-14
HAIMA AUTOMOBILE CO LTD +2
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Problems solved by technology
[0002] The transmission shaft is the key component of the power transmission of the automobile. The existing transmission shaft is usually directly welded by the shaft tube through the welding fork and the connection plate. The front power assembly of the vehicle transmits power backward through the transmission shaft. The connecting discs are rigidly connected, so large vibrations will be generated during the transmission of power by the drive shaft, and the torsion resistance between the shaft tube and the connecting discs is poor, so some vibration damping needs to be installed outside the drive shaft , anti-torsion measures, which will take up a large space, which will adversely affect the layout of the vehicle
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[0011] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0012] like figure 1 As shown, the torsional vibration-damping transmission shaft includes a connection plate 1, a shaft tube 2, and a welding fork 3. One end of the welding fork 3 is fixedly connected to the connection plate 1, and the other end of the welding fork 3 is inserted into the shaft tube 2 and fixed on the shaft tube. 2 extends inward for a certain distance, and the inner wall of the shaft tube 2 is connected with the welding fork 3 through an elastic material. The above-mentioned elastic material is preferably vulcanized rubber. During manufacture, rubber can be injected into the gap between the shaft tube 2 and the welding fork 3, and then vulcanized, so that the shaft tube 2 and the welding fork 3 can be connected. The stiffness of the vulcanized rubber and the length of the welding fork 3 in the shaft tube 2 should be calcula...
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The invention discloses a transmission shaft with anti-torque and vibration attenuation functions. The transmission shaft comprises a shaft tube, a connecting plate and a welding fork. One end of the welding fork is connected with the connecting plate, while the other end of the welding fork is inserted in the shaft tube. An inner wall of the shaft tube is connected with the welding fork through elastic materials. Since the shaft tube of a transmission shaft is connected with the welding fork through the elastic materials and original rigid connection of the shaft tube and the welding fork is replaced by elastic connection, vibration generated during power transmission of the transmission shaft is effectively reduced, and anti-torque and vibration attenuation performance is enhanced. Besides, the elastic materials are located between the shaft tube and the welding fork, the transmission shaft is compact in structure, so that plenty of spaces are saved in assembling, and assembly of full automobiles is facilitated.
Description
technical field [0001] The invention relates to the field of automobiles, in particular to a transmission shaft used in automobiles. Background technique [0002] The transmission shaft is the key component of the power transmission of the automobile. The existing transmission shaft is usually directly welded by the shaft tube through the welding fork and the connection plate. The front power assembly of the vehicle transmits power backward through the transmission shaft. The connecting discs are rigidly connected, so large vibrations will be generated during the transmission of power by the drive shaft, and the torsion resistance between the shaft tube and the connecting discs is poor, so some vibration damping needs to be installed outside the drive shaft , Anti-torsion measures, which will take up a lot of space, which will adversely affect the layout of the vehicle. Contents of the invention [0003] Aiming at the deficiencies of the above-mentioned prior art, the obj...
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IPC IPC(8): F16D3/76
Inventor 王国增李健医鲁岩平
Owner HAIMA AUTOMOBILE CO LTD