Transmission belt pre-tensioning device

A transmission belt and tensioning pulley technology, applied in the field of transmission belt pretensioning devices, can solve the problems of large tension changes and low transmission belt pretensioning accuracy, and achieve the effect of improving pretensioning accuracy

Active Publication Date: 2015-03-11
CHANGZHOU QIANJING REHABILITATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, for the adjustment mode of the screw tightening mechanism, the screw is used as the supporting member of the tension wheel, and the tensioning effect of the tension wheel is realized by adjusting the length of the screw. The stability and...

Method used

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  • Transmission belt pre-tensioning device
  • Transmission belt pre-tensioning device

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Embodiment Construction

[0025] The core of the present invention is to provide a transmission belt pretensioning device, which can improve the pretensioning accuracy of the transmission belt.

[0026] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] Please refer to Figure 1 to Figure 5 , in a specific embodiment, the transmission belt pretensioning device provided by the present invention includes a tensioning wheel 3, a fixing part 1, a slider 2 and a threaded connection on the fixing part 1 and is used to drive the tensioning wheel 3 to approach or The threaded adjustment member 4 that moves away from the conveyor belt 7 direction. The transmission mechanism includes a driving pulley 9 and a driven pulley 8 , wherein the transmission belt 7 is sleeved on the driving pulley 8 and the driven pulley 9...

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PUM

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Abstract

The invention discloses a transmission belt pre-tensioning device. The device comprises a tensioning wheel, a fixed part, a sliding block and a thread adjusting part; the thread adjusting part is in threaded connection to the fixed part and is used for driving the tensioning wheel to move in the direction close to or away from a transmission belt; a sliding groove is formed in one of the fixed part and the sliding block, and a guide rail contained in the sliding groove is arranged on the other of the fixed part and the sliding block; the direction of the axis of the thread adjusting part is the same as the extending direction of the sliding groove; and an acute angle is formed between the motion direction of the thread adjusting part and the motion direction of the tensioning wheel. On the basis of the principle that the bevel side of a triangle is longer than the right-angle side, when the thread adjusting part drives the sliding block to move, and further drives the tensioning wheel to move, the moving distance of the thread adjusting part is larger than the moving distance of the tensioning wheel in the unit time. With respect to the condition that in the prior art, the moving distance of a screw is the moving direction of the tensioning wheel, the transmission belt pre-tensioning device achieves tiny adjustment of the tensioning wheel, and the pre-tensioning precision of the transmission belt is improved.

Description

technical field [0001] The invention relates to the technical field of pretensioning systems, in particular to a transmission belt pretensioning device. Background technique [0002] The belt transmission mechanism transports materials or transmits power through the transmission belt sleeved on the driving pulley and the driven pulley. The center distance between the traditional driving pulley and the driven pulley and the length of the transmission belt are fixed values, and the root The pre-tightening force of the transmission belt is different for different needs. At this time, it is necessary to adjust the pre-tightening force of the belt transmission mechanism through the transmission belt pre-tightening device. [0003] The traditional conveyor belt pretensioner is mainly adjusted through U-shaped through-hole adjustment and screw support, that is, the U-shaped through-hole adjustment method is used to fix the supporting shaft of the tensioning wheel at the U-shaped lo...

Claims

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Application Information

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IPC IPC(8): B65G23/44
CPCB65G23/44
Inventor 樊金成
Owner CHANGZHOU QIANJING REHABILITATION CO LTD
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