Device for preventing back filling subsides
The utility model discloses a device for preventing back filling subsides, comprising a base plate, the upper end lateral wall of bottom plate rotates and is connected with first compression board, the one end lateral wall of first compression board rotates and is connected with the axis of rotation...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a device for preventing back filling subsides, comprising a base plate, the upper end lateral wall of bottom plate rotates and is connected with first compression board, the one end lateral wall of first compression board rotates and is connected with the axis of rotation, the one end lateral wall of axis of rotation rotates and is connected with second compression board, the piece is placed to the upper end lateral wall fix with screw of second compression board, place the flexible pole of other end swing joint of piece, the top lateral wall welding of elastic rodhas the connecting plate, the upper end sliding connection of connecting plate has the dwang, the one end lateral wall fix with screw of dwang has the connecting rod, the inside of connecting rod is seted up flutedly, the inside sliding connection of recess has the sliding shaft, the upper end of dwang is rotated and is connected with the connecting axle, the connecting axle welding is in the bottom of top board, the bott |
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