The invention provides a well lid opening device. The well lid opening device comprises a vehicle frame. The vehicle frame is provided with a well lid opening mechanism used for opening a well lid and a driving mechanism in transmission connection with the well lid opening mechanism. The vehicle frame comprises wheels at the two ends, the wheels are connected through an axle, bearings are arranged in the positions where the axle and the wheels are connected, and the axle is further provided with a handle movably connected with the bearings. The well lid opening mechanism comprises a square pipe fixedly arranged on the axle, a hinge wheel is movably arranged on the square pipe and provided with a hinge rope, and the hinge rope is provided with a hook. The driving mechanism comprises a rotary rod arranged on the handle, the rotary rod is provided with a thread, and a rotary gear matched with the thread of the rotary rod is fixed to the axle; the rotary rod is sleeved with two rotary shafts, and the two rotary shafts are both fixedly arranged on the handle. The well lid opening device has the beneficial effects that a well lid is pulled up through the lever principle according to the design, much effort is saved, and use is convenient. The well lid opening device is suitable for well lids of various specifications, can be detached and put into an engineering vehicle, and is high in practicability.
Well lid opening device
2016-01-13
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 |