Prestressed tensioning machine capable of automatically detecting elongation of steel strand

Abstract

The utility model relates to a kind of prestressed tensioning machinery of automatic detection steel strand elongation, belong to prestressed tensioning technical field.The prestressed tensioning machinery of automatic detection steel strand elongation, comprising: mobile seat, tensioning jack is installed in the mobile seat upper, the surface of support seat is equipped with sliding slot, the sliding block is slidably connected in the sliding slot, the through hole is opened in the sliding block, the pull rod that is inserted into the through hole is inserted into the through hole, the support seat bottom is connected with threaded rod, the threaded rod top is rotatably connected in the sliding block bottom;The above-mentioned prestressed tensioning machinery, by the cooperation of threaded rod, sliding block and pull rod, the fastening or disassembly of tensioning jack and support seat can be realized, the problem that the poor versatility caused by the fixed connection of jack and lifting frame in traditional equipment is solved, single support seat can be adapted to different specifications of jack, and the versatility of setting is improved.

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