China University of Mining and Technology (CUMT)

Xuzhou Goldfluid Hydraulic Technology Development Co., Ltd.

Haifeng Yan

Zhongbin Wang

Chao Tan

Lei Si

Xuliang Lu

Xingang Yao

Yiqiao Man

Kai Fan

Dong Wei

A hydraulic support monitoring a support pose in real time based on an inertia measurement unit (IMU) and a detection method thereof. In the hydraulic support, IMU sensors are separately mounted on a roof beam, a rear linkage, and a base, and an auxiliary support pose monitoring system is disposed. Each IMU sensor measures movement states of the roof beam, the rear linkage, and the base of the support in real time, and the support pose monitoring system processes the movement states to monitor a support pose of the hydraulic support in real time. Especially, it can be technically determined whether the hydraulic support is adequately lowered, moved or raised, thereby effectively reducing the labor intensity of workers and improving the working efficiency of the hydraulic support.

Hydraulic support monitoring support pose in real time based on inertia measurement unit and detection method thereof

An automatic straightening device includes a fully-mechanized coal mining working face, which includes a plurality of middle troughs, and each middle trough is connected to a push-pull rod of one hydraulic support. The fully-mechanized coal mining working face is provided with the automatic straightening device. The automatic straightening device includes a flexible element rope, the tensile and compressive force sensors, and a signal processing device. Each middle trough is provided with two tensile and compressive force sensors; one end of the flexible element rope is connected to a rope extend-retract control device, and the other end of the flexible element rope sequentially passes through lifting rings to be connected to the tensile and compressive force sensors and is fixed to a positioning force bearing bolt on the outermost side.

Automatic straightening device and method for scraper conveyor on fully-mechanized coal mining face based on tensile and compressive force sensors

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Xuzhou, China

Haifeng Yan