Construction outer frame steel tube auxiliary coupling mechanism convenient to operate: Fid-Bau Portal

Construction outer frame steel tube auxiliary coupling mechanism convenient to operate

The invention discloses a construction outer frame steel tube auxiliary coupling mechanism convenient to operate. The mechanism is composed of an upper sleeve, a lower sleeve, a support shaft, a stabilizer bar and a turbine worm reducing mechanism, wherein the upper sleeve is composed of two semicircular arcs, one side of one semicircular arc is linked with one side of the other semicircular arc through hinges, the other sides of the semicircular arcs are linked through bolts, and a revolving shaft is fixed on each semicircular arc; the cross section of the lower sleeve is in a figure-eight-curve and double-sleeve shape, and the lower sleeve is composed of a fixed sleeve body and an opening and closing sleeve body; the lower portion of the support shaft is inserted in the fixed sleeve body of the lower sleeve, and a wedge groove which gradually gets deeper from top to bottom is formed in the support shaft matched with fastening screws; the upper end of the stabilizer bar is movably linked to one revolving shaft at one side of the upper sleeve, and the lower end of the stabilizer bar is fixedly connected with the lower sleeve; the turbine worm reducing mechanism is fixed at the top of the support shaft, a turbine shaft is coaxially connected with the other revolving shaft of the upper sleeve, and a worm shaft is a manual operation portion. The mechanism has good social and economic benefits.

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