The tilt sensor plays an important role in the hydraulic support

The comprehensive mechanization of coal mining can greatly increase labor productivity and accelerate the development of the coal industry. It is an important strategic measure for realizing the modernization of the coal industry. The comprehensive coal mining system consists of four parts: a hydraulic support, a scraper conveyor, a shearer, and a roadheader. The hydraulic support is used to support the mine top during the coal mining process to form a movable underground coal mining space. So that the scraper conveyor and shearer work in this space. In the hydraulic support, the tilt sensor plays an important role in its posture adjustment to maintain the optimal support state.

The hydraulic support is mainly composed of a top beam, a column, a cylinder, a rear cover beam, and a base. Due to the difference in the mine road and the change of the mining location during the coal mining process, the top height of the hydraulic support needs to be adjusted. The height of the jacking is obviously related to the horizontal angle of the hydraulic support base and the top beam, and the angle and length of the vertical expansion and contraction of the column. Therefore, in the automatic control of the hydraulic support, the current relative horizontal plane angles of the top beam, the base, and the upright column measured by the tilt angle sensor in the hydraulic support can obtain the geometrical relationship between them and the height of the lift. It will give you the length of the column that you need to retract. Finally, after determining the angle of each component, the hydraulic stand can be adjusted to the specified length by the hydraulic system to make the hydraulic stand in different top lift state.

The Murata SCA100T-D01 is a dual-axis tilt sensor chip with an angle of 30Â° in the SCA100T series. The product is based on 3D-MEMS technology and can provide meter/instrument level level measurement performance. The measurement axes of the two internal sensing elements are parallel to the mounting plane and are orthogonal to each other. Low temperature drift, high resolution, low noise, and robust design make the SCA100T an ideal choice for level measurement. Murata's tilt sensor also works well against vibrations and withstands shocks up to 20,000g, greatly improving performance.

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