阅读说明：本技术 一种双滚轮同步反向转动自动涨紧结构 (double-roller synchronous reverse rotation automatic tensioning structure ) 是由 刘强敏 王洪仁 宫清伟 于 2018-07-19 设计创作，主要内容包括：本发明涉及一种双滚轮同步反向转动自动涨紧结构,由左滚轮、右滚轮、涨紧轮、定位套、滑动轴、键槽、弹簧、螺母、链条组成,其特征在于：采用同一链条连接左滚轮及右滚轮,在左滚轮及右滚轮的一侧安装涨紧轮,当左滚轮及右滚轮的位置发生变化时,涨紧轮在弹簧弹力的作用下可仍然实现对左滚轮及右滚轮的涨紧功能,本套结构具有结构简单,涨紧效果好,省时省力的特点。(The invention relates to an double-roller synchronous reverse rotation automatic tensioning structure which comprises a left roller, a right roller, a tensioning wheel, a positioning sleeve, a sliding shaft, a key groove, a spring, a nut and a chain, and is characterized in that the left roller and the right roller are connected by the chain, the tensioning wheel is arranged on the side of the left roller and the right roller, and when the positions of the left roller and the right roller are changed, the tensioning wheel can still realize the tensioning function of the left roller and the right roller under the action of the elasticity of the spring.)

The automatic tensioning structure with the double rollers rotating in the opposite directions synchronously and reversely comprises a left roller, a right roller, a tensioning wheel, a positioning sleeve, a sliding shaft, a key groove, a spring, a nut and a chain, and is characterized in that the left roller and the right roller are symmetrically arranged, the left roller and the right roller are driven by the same chain, the rotating directions are opposite, the automatic tensioning structure is capable of rotating in the opposite directions synchronously and reversely, the tensioning wheel is arranged on the left side of the left roller, the left side of the tensioning wheel is connected to the sliding shaft, the sliding shaft is arranged in the positioning sleeve and limited by the key groove, the sliding shaft is prevented from rotating in the positioning sleeve, the spring is arranged on the left side of the positioning sleeve outside the sliding shaft, the nut is arranged on the left side of the spring.

Technical Field

The invention relates to the field of chain transmission tensioning, in particular to an double-roller synchronous reverse rotation automatic tensioning structure.

Background

At present, when double-roller synchronous transmission, the best scheme is that the chain transmission with is adopted, but because the position of the roller needs to be adjusted frequently, tensioning structures with automatic tensioning functions need to be adapted, so that the adjustment difficulty is reduced, and the operation efficiency of the equipment is improved.

Disclosure of Invention

The technical scheme includes that double-roller synchronous and reverse rotation automatic tensioning structures are composed of a left roller, a right roller, a tensioning wheel, a positioning sleeve, a sliding shaft, a key groove, a spring, a nut and a chain, and are characterized in that the left roller and the right roller are symmetrically arranged, the left roller and the right roller are driven by the chain and rotate in opposite directions synchronously and reversely, the tensioning wheel is arranged on the left side of the left roller, the left side of the tensioning wheel is connected to the sliding shaft, the sliding shaft is arranged in the positioning sleeve and limited by the key groove to prevent the sliding shaft from rotating in the positioning sleeve, the spring is arranged on the left side of the positioning sleeve on the outer side of the sliding shaft, the nut is arranged on the left side of the spring, and the elasticity of the spring can be adjusted through the adjusting nut.

Due to the adoption of the structure and the automatic tensioning structure with the double rollers rotating synchronously and reversely, the problem that the tensioning structure needs to be adjusted when the position of the roller needs to be changed is solved, the operation is simplified, and the operation efficiency of the equipment is improved.

Drawings

FIG. 1 is a top view of the structure of the present invention.

Labeled as: 1. the device comprises a left roller, a right roller, a tension wheel, a positioning sleeve, a sliding shaft, a key groove, a spring, a nut and a chain, wherein the roller comprises 2, 3, 4, 5, 6, 7, 9 and 9.

Detailed Description

The invention is further described with reference to the following figures:

as shown in figure 1, the invention relates to an double-roller synchronous and reverse rotation automatic tensioning structure which comprises a left roller 1, a right roller 2, a tensioning wheel 3, a positioning sleeve 4, a sliding shaft 5, a key groove 6, a spring 7, a nut 8 and a chain 9, and is characterized in that the left roller 1 and the right roller 2 are symmetrically arranged, the left roller 1 and the right roller 2 are driven by the chain 9 in the same manner, the rotation directions are opposite, the tensioning wheel 3 is arranged on the left side of the left roller 1, the left side of the tensioning wheel 3 is connected to the sliding shaft 5, the sliding shaft 5 is arranged in the positioning sleeve 4 and limited by the key groove 6, the sliding shaft 5 is prevented from rotating in the positioning sleeve 4, the spring 7 is arranged on the left side of the positioning sleeve 4 on the outer side of the sliding shaft 5, the nut 8 is arranged on the left side of the spring 7, and the elasticity of the spring can be adjusted by.

When the automatic tensioning device is used, the position of a nut 8 on the left side of the sliding shaft 5 is adjusted in advance, so that the spring 7 can tension the left roller 1 and the right roller 2, the transmission with the chain 9 is adopted, the left roller 1 and the right roller 2 can synchronously and reversely rotate, when the positions of the left roller 1 and the right roller 2 are adjusted, the position of the tensioning wheel 3 is also changed under the action of the tensile force of the chain 9, the sliding shaft 5 simultaneously slides in the positioning sleeve 4, and the tensioning wheel 3 is always subjected to the spring 7 in the whole process, so that the automatic tensioning effect can be generated.

Due to the adoption of the structure and the automatic tensioning structure with the double rollers rotating synchronously and reversely, the problem that the tensioning structure needs to be adjusted when the position of the roller needs to be changed is solved, the operation is simplified, and the operation efficiency of the equipment is improved.