Coalbed methane mining auxiliary equipment
A technology for auxiliary equipment and coalbed methane, which is applied in mining equipment, mining fluids, earthwork drilling, etc., can solve the problems affecting the efficiency and reliability of coalbed methane extraction, high extraction power, and low extraction efficiency, etc. Achieve the effect of improving extraction efficiency and reliability, improving airtightness and service life, and improving layout efficiency
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[0034] see Figure 1~4 , in an embodiment of the present invention, an auxiliary equipment for coalbed methane mining, including a positioning flange assembly, an angle adjustment assembly, an auxiliary hollow rod 1, a extraction rod 2, a moving seat assembly 1, a moving seat assembly 2, and an expansion sleeve assembly 8 and expansion sleeve assembly 2 13, wherein, the angle adjustment assembly is limited in the positioning flange assembly, and the auxiliary hollow rod 1 passes through the central hole of the angle adjustment assembly, characterized in that,
[0035] The positioning flange assembly is positioned in the coal seam drainage borehole, and the auxiliary hollow rod 1 can swing to a certain extent with the angle adjustment assembly as a fulcrum, so as to facilitate extending the auxiliary hollow rod 1 into the In the coal seam drainage borehole;
[0036] The extraction rod 2 is sleeved in the central hole 21 of the auxiliary hollow rod 1, and the inner end of the e...
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