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Chain transmission overload protection device

An overload protection and chain transmission technology, applied in the field of mechanical transmission, can solve the problems of no overload protection function, damage to important parts, burnout of gear motors, etc., and achieve the effects of easy replacement, improved fatigue strength, and reliable work.

Inactive Publication Date: 2014-04-16
黄淑琴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Chain transmission is a transmission method that transmits the movement and power of the driving sprocket to the driven sprocket by the continuous meshing of chain links and sprockets. Compared with belt transmission, it has no overload protection function, so it is easy to In some cases, the geared motor will burn out or damage important parts, resulting in certain economic losses.

Method used

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  • Chain transmission overload protection device
  • Chain transmission overload protection device

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Embodiment Construction

[0012] Such as figure 1 As shown, a chain transmission overload protection device includes two parts: a safety pin assembly and an alarm device. The safety pin assembly connects the sprocket body 3 and the shaft sleeve 2 together. Belleville spring group 6, nut 4 and protective sleeve 5, the sprocket body 3 has pin holes along the circumference, and the shaft sleeve 2 and sprocket body 3 also have pin holes on the same circumference, and the safety pin 1 wears The pin hole of the sprocket body 3 and the pin hole on the shaft sleeve 2, the two ends of the safety pin 1 are symmetrically provided with screw rods, the disc spring group 6 is inserted into the screw rods, and fastened with nuts 4, the two ends Two protective sleeves 5 are set on the outside of the nut 4, and are respectively fixed on the two outer end surfaces of the axle sleeve 2 and the sprocket body 3. The safety pin 1 is made of 35 steel or 45 steel, and the bushing 2, the sprocket body 3 and the safety pin 1 a...

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Abstract

The invention discloses a chain transmission overload protection device which comprises a safety pin assembly and a warning device. The safety pin assembly connects a chain wheel body and a shaft sleeve, and comprises a safety pin, a disc-shaped spring set, nuts and protective sleeves. A pin hole is formed in the chain wheel body in the circumferential direction, the same circumference of the shaft sleeve and the chain wheel body is also provided with a pin hole, and the safety pin penetrates through the pin hole of the chain wheel body and the pin hole in the shaft sleeve. The two ends of the safety pin are symmetrically provided with screws, the screws are sleeved with the disc-shaped spring set which is fastened through the nuts, and the two protective sleeves are arranged outside the nuts in a sleeved mode and are fixed to the outer end face of the shaft sleeve and the outer end face of the chain wheel body respectively. A speed reduction motor or important parts are prevented from being damaged by shearing the safety pin when overload occurs, and workers are informed of replacing the safety pin in time through warning. The chain transmission overload protection device has the advantages of being simple in structure, easy to replace, reliable in work and the like, and can be widely used in chain transmission needing overload protection.

Description

technical field [0001] The invention relates to a chain transmission overload protection device, which belongs to the technical field of mechanical transmission. Background technique [0002] Chain transmission is a transmission method that transmits the movement and power of the driving sprocket to the driven sprocket by the continuous meshing of chain links and sprockets. Compared with belt transmission, it has no overload protection function, so it is easy to In some cases, the geared motor will burn out or damage important parts, resulting in certain economic losses. Contents of the invention [0003] The invention provides a chain drive overload protection device, which can effectively protect a deceleration motor or important parts from being damaged under overload conditions and has an alarm function. [0004] The technical solution provided by the present invention is: a chain transmission overload protection device, including two parts of a safety pin assembly an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H35/10F16D9/06
CPCF16H35/10F16D9/06F16H2035/103F16H2035/106
Inventor 黄淑琴
Owner 黄淑琴