Telescopic tunneling immediate support device
A support device and telescopic technology, which is applied to mine roof supports, mining equipment, earthwork drilling, etc., can solve the problems of continuous roof connection or poor roof connection ability, and improve the quality of support and the efficiency of tunneling operations. Enhance the effect of reasonable operation ratio and high safety
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[0017] according to Figure 1~4 The specific structure of the present invention will be described in detail. The telescopic timely support device for excavation includes components such as a hydraulic column 1, a beam supported by the column head of the hydraulic column 1, and a running beam assembled on the beam. The bottom of the hydraulic column 1 is provided with independent bases 22 connected to the hydraulic system 19 to prevent the hydraulic column 1 from sinking into the floor. The hydraulic system 19 is fixed by components such as the valve group bracket 18 . Above-mentioned crossbeam comprises front crossbeam 4, middle crossbeam 5, back crossbeam 6, main support crossbeam 7 and auxiliary support crossbeam 8 arranged in parallel to each other; Following beam 12, rear elastic following beam 13, front rigid following beam 14, middle rigid following beam 15, rear rigid following beam 16 and edge rigid following beam 17 etc. parts. The front elastic girder 11 , the mid...
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