Hanging tongs for clamping culvert pipe in pipe jacking engineering
The utility model aims to provide the hanging clamp for clamping the culvert pipe in the pipe jacking project, so that the end part of the culvert pipe is prevented from being clamped to a chipping corner. The hanging clamp comprises a clamping head, an upper horizontal clamping finger and a lower h...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model aims to provide the hanging clamp for clamping the culvert pipe in the pipe jacking project, so that the end part of the culvert pipe is prevented from being clamped to a chipping corner. The hanging clamp comprises a clamping head, an upper horizontal clamping finger and a lower horizontal clamping finger, the near ends of the two clamping fingers are installed on the side wall of the clamping head, the lower clamping finger stretches into a culvert pipe through a culvert pipe opening to support the inner side wall of the culvert pipe, the upper clamping finger is attached to the outer side wall of the culvert pipe, the clamping head drives the two clamping fingers to be folded to clamp the end of the culvert pipe, and a silica gel ball is arranged between the upper clamping finger and the lower clamping finger. The silica gel ball is arranged on the side wall of the chuck and buffers the upper clamping finger and the lower clamping finger which are in the folded state. When the upper clamp |
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