1752474-1

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Application field: 1752474-1 is a type of rock force sensor developed by engineers. This sensor is usually used to measure rock mass response to mining or tunnelling. The responding signals are related to the rock and seismic properties, thus it can help engineers accurately monitor the rock engineering feature around the excavation.

Working principle: The 1752474-1 force sensor is composed of a hollow cylindrical shell, a diaphragm, a guide stem, a locking nut, a gasket, a valve stem and a fluid medium. When the excavation is in progress, the pressure is applied to the diaphragm on the inner surface of the cylindrical shell. When pressure is reached to a certain value, the diaphragm bulges inward and forms a piston, and the guide stem guide the piston to move and press on the locking nut. Then, the valve stem is pulled by the movement of piston and open the valve in the shell, finally the fluid in the medium will be discharged into the environment to form a pressure measuring device of the force sensor.

1752474-1 has several advantages compared to traditional detection methods. The most significant one is the rapid response time. Due to the hydraulic principle, no time delay is required. This is very important when monitoring rock engineering behaviors. Moreover, this force sensor is also able to read the pressure accurately. The accuracy of the instrument is related to the quality of the medium. To ensure accuracy, the medium should be regularly inspected to keep it in its best. In addition, the force sensor has stable output signals and can be employed for a long time without maintenance.

Although the 1752474-1 force sensor has many advantages, it also has some shortcomings, such as the need for a liquid medium and the short service life of the diaphragm. To overcome this weakness, engineers can use a rigid granite tube instead of the diaphragm. Granite can be more durable and less easily destroyed. Additionally, engineers can also use pure graphene or carbon nanotubes instead of the medium, which can not only improve the accuracy of the device but also increase the stability and long-term service time.

In conclusion, the 1752474-1 force sensor is a relative stable and efficient instrument for rock engineering measurement. Its unidirectional displacement response can well record the seismic properties and rock mechanical properties around the excavation. It can be used to quickly monitor the rock feature and protect the safety of miners. Engineers should not only learn well about the working principles of the force sensor, but also find ways to improve the performance of it so that it can better serve the mining industry.

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