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suction cup belt drive

A belt-driven, suction-cup-type technology, applied in the direction of transmission belts, transportation and packaging, belts/chains/gears, etc., can solve the problems of increasing the size of the belt drive outline, to increase the effective circumferential force, increase the friction factor, The effect of reducing the fluctuation range

Inactive Publication Date: 2017-03-01
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of keeping the transmission ratio constant, if you want to increase the wrap angle of the pulley, you need to increase the center distance between the two pulleys or the diameter of the pulley, which will increase the overall size of the belt drive

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as Figure 5 As shown, the suction cups are arranged in a square on the surface of the flat belt. The side length of the square formed by the line connecting the centers of the suction cups is b. The size of each suction cup is the same. The outer diameter of the suction cup near the pulley end is 0.6b. Take a square cell to calculate the area ratio of the suction cup drive belt:

[0038]

[0039] where A i The area ratio of each sucker and pulley is between 10% and 99%, so the area ratio of this embodiment is suitable.

Embodiment 2

[0041] Such as Image 6 As shown, the suction cups are arranged in a rhombus on the surface of the flat belt, and the side length of the rhombus formed by connecting the centers of the suction cups is b, and the internal angles of the rhombus are 60° and 120° respectively. The suction cups are of the same size, and the outer diameter of the suction cup near the pulley is 0.6b. Take a rhombus unit to calculate the area ratio of the suction cup drive belt:

[0042]

[0043] This value lies between 10% and 99%, so the area ratio of this embodiment is suitable.

Embodiment 3

[0045] Such as Figure 7 As shown, the suction cups are arranged in a square on the surface of the flat belt. The side length of the square formed by the line connecting the centers of the suction cups is b. There are two types of suction cups, one large and one small. The outer diameter of one end of the wheel is 0.5b. Take a square cell to calculate the area ratio of the suction cup drive belt:

[0046]

[0047] This value lies between 10% and 99%, so the area ratio of this embodiment is suitable.

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PUM

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Abstract

The invention discloses a sucker type belt transmission device. The sucker type belt transmission device comprises a driving wheel, a driven wheel and a transmission belt, and is characterized in that suckers are arranged on the contacted surface of the transmission belt with a belt wheel. The suckers are arranged on the contacted surface of the transmission belt with the belt wheel; the same suckers are arranged in a square form; the same suckers are arranged in a rhombic manner; and the large and small suckers are staggered in a square form or in a regular hexagon manner. The suckers on the transmission belt are opened when the transmission belt is bent to the surface of the belt wheel, and are absorbed with the surface of the belt wheel, so that the elastic slide in the belt transmission is reduced, and the transmission efficiency of the belt transmission is improved; and when the transmission belt leaves from the surface of the belt wheel, the suckers are separated from the surface of the belt wheel, and are recovered to an original state. The sucker type belt transmission device adopts the suckers to improve the adhesive force of the transmission belt on the belt wheel and to enhance the transmission capacity of the belt transmission.

Description

technical field [0001] The invention relates to a belt transmission device, in particular to a sucker type belt transmission device. Background technique [0002] When the belt drive works, motion and power are transmitted from the driving wheel to the driven wheel through the belt. When the driving wheel rotates, the friction between the belt and the contact surface of the driving wheel makes the belt move, and the friction between the belt and the driven wheel drives the driven wheel to rotate, thereby transmitting motion and power. [0003] The effective circumferential force of the belt drive should be equal to the sum of the friction forces of each point on the contact surface between the belt and the pulley. There is a limit value for the sum of the friction forces of each point. If the limit value is exceeded, the belt will slide on the pulley and cause the When the transmission fails, the maximum effective circumferential force (that is, the limit value of the sum o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G23/02F16G1/28
CPCF16G1/28
Inventor 徐鹤琴薛虎汪久根
Owner ZHEJIANG UNIV