The invention discloses a combined fork arm type telescopic arm forklift truck which comprises a telescopic arm forklift truck body, fork arms, fork arm groups, a vertical sliding block, a horizontal sliding block, a stopping block, sliding ways, a fork arm lifting device, a fork arm pushing device, a cargo fork hanging block and a control system, wherein the fork arm lifting device comprises the cargo fork hanging block, the vertical sliding block, a sliding way and a lifting oil cylinder; the fork arm pushing device comprises a sliding way, the horizontal sliding block, a motor, a reel, a guide wheel and a pull rope. The truck is used for forking and carrying cargoes the bottoms of which have no cargo fork inserting space. One fork arm group comprises two fork arms. One forklift truck comprises two fork arm groups. When a cargo is forked and loaded, the front end wedge opening of one fork arm of each fork arm group is firstly inserted into the gap in the bottom of the cargo and is upward lifted to enlarge the gap, and the other fork arm is immediately inserted into the enlarged gap and is upward lifted to enlarge the gap. The two fork arms are upward lifted alternately to enable the cargo to be stationary, decline, move forwards and move upwards until the arms are inserted into the bottom of the cargo. During unloading, the two fork arms are upward lifted alternately to enable the cargo to be stationary, decline and move backwards above a cargo placing point until the cargo is placed on the placing point.
Combined fork arm type telescopic arm forklift truck
2015-10-14
Patent
Electronic Resource
English
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 |
Combined fork arm on freight forklift of telescopic boom forklift truck
European Patent Office | 2015
|