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Torque-adjustable friction type safe clutch

A safety clutch and torque adjustment technology, which is applied in clutches, automatic clutches, mechanical equipment, etc., can solve the problems of partial wear of friction plates and low precision, and achieve the effects of not easy to wear partial wear of friction plates, convenient online adjustment, and obvious effects

Active Publication Date: 2013-05-08
CRRC CHANGZHOU TECH MARK IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned multi-friction plate safety clutch is prone to eccentric wear of the friction plates due to the use of disc springs, and the adjustment accuracy is relatively low

Method used

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  • Torque-adjustable friction type safe clutch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] See figure 1 and figure 2 , this embodiment includes a housing 3, on which a number of heat dissipation and chip removal holes 3-1 are uniformly arranged, and the number of heat dissipation and chip removal holes 3-1 is set according to specific conditions. One end of the housing 3 is connected to the shaft II interface 4 , the other end of the housing 3 is connected to the end cover 2 , and the housing 3 is provided with the shaft I interface 1 . The shaft I interface 1, the end cover 2 and the shaft II interface 4 above all have shaft holes, the inner wall of the shaft hole of the end cover 2 is embedded with a copper sleeve I13, and the inner wall of the shaft hole at the end where the shaft II interface 4 is connected to the shaft I interface 1 is embedded. There is a copper sleeve II14, and the two ends of the shaft I interface 1 are respectively inserted into the copper sleeve I13 and the copper sleeve II14. The inner walls of copper sleeve I13 and copper sleev...

Embodiment 2

[0026] On the basis of Example 1, in Example 2, a groove is milled on the rod of the main adjusting bolt 5-1, and there is a scale value inside. During the process of tightening the main adjusting bolt to compress the spring, by observing The scale value on the main adjusting bolt adjusts the slipping torque of the safety clutch to a specified value. A groove is milled on the rod portion of the auxiliary adjusting bolt 8-1, and there is a scale value inside, and the slipping torque of the safety clutch is adjusted to a specified value by observing the scale value on the auxiliary adjusting bolt. Since the scale values ​​are respectively marked on the rods of the main and auxiliary adjusting bolts, the quantitative adjustment of the torque can be realized, which provides further convenience for the adjustment of the torque.

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Abstract

Provided is a torque-adjustable friction type safe clutch. A shaft II port is connected at one end of a casing, a shaft I port is positioned in the casing, the other end of the casing is connected with an end cover, the end cover is covered on the shaft I port, a convex ring is positioned in the middle of the shaft I port to divide the casing into a main cavity and an auxiliary cavity, a main friction pair assembly and an auxiliary friction pair assembly are respectively arranged in the main cavity and the auxiliary cavity, main adjusting holes are evenly distributed along the periphery of the end cover, a main torque adjusting device for adjusting the main friction pair assembly is arranged in each main adjusting hole, auxiliary adjusting holes are evenly distributed at the edge of the shaft II port along the periphery of the shaft II port, and an auxiliary torque adjusting device for adjusting the auxiliary friction pair assembly is arranged in each auxiliary adjusting hole. The torque-adjustable friction type safe clutch can widen the torque adjusting range and achieve online adjustment.

Description

technical field [0001] The invention relates to a torque-adjustable friction safety clutch. Background technique [0002] Safety clutch is a common part in mechanical transmission. When the working torque transmitted by the clutch exceeds the allowable limit torque, relative slip will occur between the friction plates of the safety clutch, and the clutch will stop transmission, which will protect the gearbox and motor from overload. The safety clutch can be applied to several types of equipment by adjusting its torque, and can operate normally under several different working conditions. The torque adjustment method is mainly by increasing the spring compression force. The utility model of Chinese patent No. 200820098498.X discloses a dry friction safety clutch, which includes a driving shaft, a transition shaft and a driven shaft. Drum, the outer drum is equipped with an inner friction plate, one end of the transition shaft is fixedly connected with the sleeve on the driven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D43/21
Inventor 陈学伟周卫兵龚金利任茂林原治会
Owner CRRC CHANGZHOU TECH MARK IND CO LTD
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