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Redundant-contact offset globoid cam mechanism

A cambered cam, redundant technology, applied in mechanical equipment, transmission, belt/chain/gear, etc., can solve the problems of small bearing capacity and small contact area, and achieve the effect of improving bearing capacity and steadily increasing bearing capacity

Active Publication Date: 2016-02-24
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] The arc cam mechanism is widely used in intermittent motion and control mechanisms. The current arc cam has only one working profile. During the movement of the mechanism, only one follower roller is in contact with the cam profile. Because the cam The contact area of ​​the high pair is small, so the load carrying capacity is small

Method used

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  • Redundant-contact offset globoid cam mechanism

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings and implementation.

[0012] see figure 1 , an offset arc cam mechanism with redundant contact, including a follower turntable 2, rollers 3 are arranged around the follower turntable 2, and the roller 3 is rollingly connected with the arc cam 1.

[0013] The arc cam is configured to have two different profiles, and the two profiles are arranged at equal intervals.

[0014] The two profiles are in redundant contact with two adjacent rollers on the follower turntable at the same time.

[0015] Such as figure 1 As shown, when the arc cam 1 rotates and pushes the follower turntable 2 to rotate counterclockwise, the working profiles on the left side of the two equidistant profiles on the arc cam 1 are always in line with the two equidistant profiles on the follower turntable 2. The adjacent rollers 3 are in contact to ensure that the arc cam 1 can always ensure redundant co...

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Abstract

A redundant-contact offset globoid cam mechanism comprises a driven piece rotary disc. Rollers are arranged on the periphery of the driven piece rotary disc and connected with a globoid cam in a rolling manner. It can be guaranteed that the globoid cam makes redundant contact with two adjacent driven piece rollers of the driven piece rotary disc all the time, and the bearing capacity of the cam mechanism is improved. The redundant-contact offset globoid cam mechanism has the beneficial effects of being simple in structure, stable in bearing operation and beneficial to cam machining.

Description

technical field [0001] The invention relates to a redundant contact offset cam mechanism. Background technique [0002] The arc cam mechanism is widely used in intermittent motion and control mechanisms. The current arc cam has only one working profile. During the movement of the mechanism, only one follower roller is in contact with the cam profile. Because the cam The contact area of ​​the high pair is small, so the load carrying capacity is small. Contents of the invention [0003] In order to overcome the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a redundant contact offset arcuate cam mechanism, the arcuate cam and the follower roller of the cam mechanism always ensure that at least two places participate in contact at the same time , which improves the bearing capacity of the arc cam mechanism. [0004] In order to achieve the above object, the technical solution adopted by the present invention is: a redundant ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H25/06
CPCF16H25/06
Inventor 曹巨江梁金生刘言松
Owner SHAANXI UNIV OF SCI & TECH
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