Overview
Figure 1-1 Physical view of the anchor cable dynamometer
The anchor cable dynamometer mounts a high-stability, high-sensitivity vibrating wire sensor on a hollow pressure-bearing cylinder. When the load being measured acts on the dynamometer, it causes deformation of the elastic cylinder, which is transmitted to the steel string and converted into strain of the string. An electromagnetic coil excites the steel string and its vibration frequency is measured. The frequency signal is transmitted over a cable to a vibrating wire readout unit, where the frequency value can be read out and the load acting on the anchor cable dynamometer thereby calculated.
Using several vibrating wire sensors can essentially eliminate the influence of uneven or eccentric loading. The built-in temperature sensor monitors the ambient temperature of the dynamometer. To adapt to harsh conditions on site, an integral sealing technique is adopted.
Figure 2-1 Internal structure of the anchor cable dynamometer
Key Features
- 1. Uses imported steel string with stable temperature performance and long service life;
- 2. An optional built-in smart temperature sensor facilitates temperature compensation and improves the accuracy and reliability of monitoring data;
- 3. Built-in 3-string high-precision vibrating wire sensor, able to measure eccentric loading;
- 4. High resolution and strong anti-interference capability, with sensitive response to concentrated loads.
- Beijing Chengan Online Technology Co., Ltd.
