Depth detection device suitable for rock burst roadway soft rock mass replacement
A technology of rockburst and detection devices, which is applied to measuring devices, optical devices, mechanical depth measurement, etc., can solve problems such as inaccurate accuracy, and achieve the effects of accurate measurement, improved accuracy, and good practicability
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[0036] see Figure 1-7 , the present invention provides a technical solution:
[0037]A depth detection device suitable for replacement of soft rock masses in rock burst tunnels, comprising a bottom plate 1, a main box 4 and a controller 3, the top of the bottom plate 1 is fixedly connected with a first hydraulic rod 2, and the top of the first hydraulic rod 2 is connected to the The bottom of the main box 4 is fixedly connected, the rear side of the main box 4 is provided with a fixing device 7, the main box 4 is also provided with an offset detection mechanism 10, and the inner side of the main box 4 is slidingly connected with a deep rod 5 that penetrates into the soft rock. The scale line for measuring the depth is provided on the deep rod 5, and the front end of the deep rod 5 is provided with an expansion part 5a, and the expansion part 5a makes the diameter of the front end of the deep rod 5 larger than the rear diameter of the deep rod 5, and the front end of the deep ...
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