Fully-mechanized coal mining hydraulic support forward moving connecting piece
The utility model discloses a fully mechanized coal mining hydraulic support forward moving connecting piece which comprises a connecting column, movable rods are movably connected to the front portion and the rear portion of the right end of the connecting column in a penetrating mode, the right en...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a fully mechanized coal mining hydraulic support forward moving connecting piece which comprises a connecting column, movable rods are movably connected to the front portion and the rear portion of the right end of the connecting column in a penetrating mode, the right ends of the two movable rods are jointly and fixedly connected with a connecting plate, and the left ends of the movable rods movably penetrate through the right end of the connecting column and are jointly and fixedly connected with a movable plate. Three supporting devices are fixedly connected to the left end of the movable plate at equal intervals, the left ends of the three supporting devices are jointly and fixedly connected with a buffering device, a movable column is fixedly connected to the middle of the left end of the movable plate, and the left end of the movable column movably penetrates through the middle of the left end of a connecting column and is fixedly connected with a connecting block. A pluralit |
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