Hydraulic support for coal mine paste filling end
The utility model discloses a coal mine paste filling end hydraulic support, and belongs to filling coal mining hydraulic supports. The utility model relates to a hydraulic support for coal mine pastefilling ends, which is used for sealing and isolating two ends of a to-be-filled area during gob-sid...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a coal mine paste filling end hydraulic support, and belongs to filling coal mining hydraulic supports. The utility model relates to a hydraulic support for coal mine pastefilling ends, which is used for sealing and isolating two ends of a to-be-filled area during gob-side entry retaining of a paste filling coal face. The end support is divided into a front body and arear body, and the front body and the rear body can mutually support to realize support self-movement. A lateral jack is hinged to one side of a top beam of the end support and swings up to support acoal side to resist paste pressure, and an upper isolator is hinged to the other side and can seal a coal seam roof along with rising of the support. The base is connected with a lower isolator through a lower isolation jack and presses down to seal a coal seam floor. The upper isolator, the middle isolator and the lower isolator can move relatively and stretch out and draw back along with liftingof the support to adapt to |
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