Forming method of liquid rubber composite joint with inner groove flow channel and joint

A liquid rubber, liquid technology, applied in the direction of shock absorber-spring combination, shock absorber, spring, etc., can solve problems such as difficulty in realization, and achieve the effect of ensuring product quality, optimizing product performance, and large axial stiffness
CN110425248AActive Publication Date: 2019-11-08ZHUZHOU TIMES RUIWEI ANTI VIBERATION EQUIP LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ZHUZHOU TIMES RUIWEI ANTI VIBERATION EQUIP LTD
Publication Date
2019-11-08

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Abstract

The invention discloses a forming method of a liquid rubber composite joint with an inner groove flow channel and the joint. The forming method comprises the steps that a middle spacing sleeve is additionally arranged between an outer sleeve and a core shaft, the middle spacing sleeve and the core shaft are pasted together through rubber vulcanization, and the middle spacing sleeve and the core shaft which are integrated are assembled into the outer sleeve; and the inner groove flow passage is arranged in the core shaft, the middle spacing sleeve is hollowed out to form a plurality of spaces,after vulcanization is carried out, rubber and the multiple spaces form a plurality of independent liquid cavities, liquid exists in the multiple liquid cavities, and the multiple liquid cavities arein communication with each other through the inner groove flow channel. By means of the forming method and the joint, small radial stiffness and large axial stiffness can be provided, a large dynamicand static ratio is achieved, and the product performance of the liquid rubber composite joint is optimized.
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Description

technical field

[0001] The invention relates to a method for forming a liquid rubber composite node and a node product, in particular to a method for forming a liquid rubber composite node with an inner groove flow channel and the node. Background technique

[0002] According to the dynamic requirements, when the pivoting arm node is running in a straight line at high speed (high frequency vibration), it provides a large radial stiffness to ensure the running stability and increase the critical speed; when it passes the curve (low frequency and large amplitude), it provides a small stiffness performance Guaranteed over-curve performance and reduced wear; it is difficult for ordinary joints to achieve the above characteristics, especially for old lines, where wheel rails and lines wear a lot, and the maintenance cost is high. Therefore, it is necessary to use a new product that has the above characteristics at the same time—liquid rubber composite joints.

[0003] The working...

Claims

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