Novel coal seam water seepage and drainage device
The novel coal seam water seepage and drainage device comprises a first water inlet pipe, first installation blocks are fixedly arranged at the two ends of one side of the outer wall of the first water inlet pipe, a lead screw is arranged on one side of one first installation block in a penetrating...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
06.09.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The novel coal seam water seepage and drainage device comprises a first water inlet pipe, first installation blocks are fixedly arranged at the two ends of one side of the outer wall of the first water inlet pipe, a lead screw is arranged on one side of one first installation block in a penetrating mode, one side of the first installation block is in threaded connection with the outer wall of the lead screw, and a rotary knob is fixedly arranged at one end of the lead screw. One end of the lead screw is rotatably arranged on one side of the first mounting block, the other end of the lead screw is rotatably arranged on one side of the second mounting block, and one side of the second mounting block is fixedly arranged at one end of one side of the outer wall of the second water inlet pipe. In this way, the length of the water inlet pipe can be adjusted according to the excavation depth of the foundation pit, various requirements are met, the water inlet pipe does not need to be taken out in the whole adjusting |
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Bibliography: | Application Number: CN202123332104U |