一种张力辊张力测试装置及测试方法

Tension test device and tension test method for tension rollers

Abstract

The invention provides a tension test device and a tension test method for tension rollers, solving problems of high price and failure in repairing of tensiometers in the prior art. The tension test device for the tension rollers comprises a bearing block for bearing one tension roller, the bearing block is connected with a guide block that is connected with a servo hydraulic cylinder, and a pressure sensor is arranged at a lower cavity oil port of the servo hydraulic cylinder. Since the servo hydraulic cylinder is connected with the bearing block that is used for bearing the tension roller and the pressure sensor is arranged at the lower cavity oil port of the servo hydraulic cylinder, pressure applied to the tension roller is transmitted to the pressure sensor through the servo hydraulic cylinder and is detected by the pressure sensor and then compared with the set pressure value through the servo hydraulic cylinder, extension of the hydraulic cylinder is adjusted to adjust position of belts, and further, speed matching between racks is achieved under control. In addition, the servo hydraulic cylinder and the pressure sensor are low in manufacturing cost and are reusable and can be maintained even when damaged.
本发明提出一种张力辊张力测试装置及测试方法,解决了现有技术中张力计价格昂贵、无法修复的问题。一种张力辊张力测试装置,包括承装张力辊的轴承座,轴承座与导向块相连,导向块与伺服液压缸相连,伺服液压缸的下腔油口处设有压力传感器。本发明采用伺服液压缸与张力辊的轴承座相连,并在液压伺服缸的下腔油口处设置压力传感器,当张力辊承受压力的时候,该压力通过伺服液压缸传递至压力传感器,压力传感器检测该压力并与设定张力比较,通过调整伺服液压缸的伸缩,调整带材的位置,进而控制机架间速度匹配。液压伺服缸和压力传感器的造价较低、且可以重复使用,即使损坏也可以调修。

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