The invention discloses a portable cable trench cover opening device. The portable cable trench cover opening device comprises a horizontal support and a vertical support; trundles are arranged on four supporting lugs of the horizontal support; the lower part of the vertical support is provided with a clamping rod perpendicular to the horizontal support; the clamping rod is retractable; two ends of the clamping rod are provided with opposite hooks which can be clamped into a cable trench cover; a horizontal jack is arranged on the horizontal support; a piston rod of the horizontal jack is connected with the vertical support to drive the vertical support to do a lifting motion; and a slideway on which the vertical support moves up and down is arranged on the horizontal support. The portable cable trench cover opening device is applicable to a variety of specifications of the cable trench covers, the allocation quantity can be decreased, and the cost is saved.
Portable cable trench cover opening device
29.04.2015
Patent
Elektronische Ressource
Englisch
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
Well cover plate opening device for cable trench inspection
Europäisches Patentamt | 2021
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