The invention discloses a limited speed precision measuring instrument for an elevator. The instrument comprises an upper computer and a speed limiting measuring instrument body. The speed limiting measuring instrument body comprises a shell, a battery, a stepping motor and an MCU, wherein a speed measuring rotary disc is fixedly connected to the stepping motor, a protruding rib is fixedly connected to the circumferential face of the speed measuring rotary disc, a rubber ring is fixedly connected to the protruding rib, and the speed limiting measuring instrument is in communication connection with the upper computer; the speed limiting measuring instrument further comprises a braking device; the braking device comprises a braking circuit, an electric telescopic rod and an extrusion piece, wherein the electric telescopic rod is controlled by the braking circuit, and the extrusion piece is used for braking the speed measuring rotary disc. The instrument can be held manually, and the measuring instrument is stable, does not shake, can immediately brake the speed measuring rotary disc, is accurate in test result, and is wide in application range.
本发明公开了一种电梯限速度精度测量仪,包括上位机,限速度测量仪,限速度测量仪包括外壳、电池、步进电机以及MCU,步进电机上固定连接有测速转盘,测速转盘圆周面上固定连接有凸筋,凸筋上固定连接有橡胶环,限速度测量仪与上位机通信连接,其中,限速度测量仪还包括制动装置,制动装置包括制动电路、电动伸缩杆以及挤压片,电动伸缩杆通过制动电路控制,挤压片用于刹停测速转盘,本发明可避免人工手持,测量仪稳定不晃动且能立即刹停测速转盘,测试结果精准,实用范围广泛。
Limited speed precision measuring instrument for elevator
一种电梯限速度精度测量仪
2021-11-02
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
Limited speed precision measuring instrument for elevator
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