The invention discloses a lifting appliance comprising a top plate of a rectangular structure. The height of the top plate ranges from 1cm to 2cm, a connecting portion is arranged on the upper surface of the top plate and detachably mounted on the top plate, top beams are arranged at positions close to two side faces on the top plate, each top beam is fixed on the top plate and vertically provided with an upright, each upright and the corresponding top beam are connected through a fixing bolt, a jack is arranged at the position, close to the connecting portion, of the top plate, the jack penetrates the top plate to be in mechanical connection with the connecting portion, a fixing part is arranged at the bottom of the jack, a conical hook is arranged on the lower surface of the fixing part, integrally connected with the fixing part and located on a cross arm, the cross arm is arranged between the two uprights, and a fixing seat of a rectangular structure is arranged at the position, corresponding to the conical hook, on the lower surface of the cross arm. The lifting appliance is fast in lifting, good in support performance and strong in steel structure, and can be fixed when fast lifting to a certain height, thereby being less prone to falling off.
Lifting appliance
2015-04-08
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 |
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