A super large mining height hydraulic support
A hydraulic support and mining height technology, which is applied to mine roof support, mining equipment, earthwork drilling and other directions, can solve the problems of increased difficulty in controlling the stability of the surrounding rock of the working face, low system reliability, slow response speed of the hydraulic system, etc. Achieve effective coal wall stability control measures, ensure response speed, and prevent coal wall fragmentation.
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[0021] The following examples illustrate possible implementations of the present invention, but are not intended to limit the protection scope of the present invention.
[0022] Please refer to Figure 1 to Figure 8 As shown, it is a hydraulic support for super-large mining height of the present invention, which includes a top beam 1 and a double-layer roof protection and side protection mechanism 2 installed on the top beam 1. The top beam 1 includes an upper slideway cavity 11 and a lower floor Slideway cavity 12, the upper slideway cavity 11 is several upper small cavities side by side, preferably three, and the lower slideway cavity 12 is several spaced lower small cavities, preferably two; the double-layer roof protection side Mechanism 2 includes an upper telescopic beam roof protection mechanism 21 and a three-stage side protection mechanism 22. The upper telescopic beam roof protection mechanism 21 includes an upper telescopic beam 211 slidably installed in the upper s...
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