Combined fork arm on freight forklift of telescopic boom forklift truck

Abstract

Provided is a combined fork arm on a freight forklift of a telescopic boom forklift truck. The combined fork arm is mainly formed by fork fingers, fork arm connections, fork arm groups, a fork arm connection lifting device, a fork arm connection propulsion device, a fork box, a locking device, and a control system. The fork arm can move objects which have space under the lower edge, and can also move objects which have no space under the lower edge. A fork arm connection is formed by a fork handle connecting one to four fork arms. A fork arm group is formed by two fork arm connections. Each fork arm connection is provided with a set of independent lifting device and propelling device. When the combined fork arm carries box-type or bag-type cargos which have no space below, the freight forklift is inserted into the fork box and is locked by the locking device, a fork finger wedge of a fork arm connection is inserted to a little gap under the cargo, the fork arm connection pries upward to expand the gap, and the fork finger of the other fork arm connection immediately inserts into the pried gap, and pries and inserts in turns. Then, the two fork arms rise in turns and hold a cargo, descend the cargo, carry forward and lift the cargo, until the fork is inserted under the cargo. When the combined fork arm unloads a cargo, the two fork arms hold the cargo without moving, drop the cargo, and move backward in turns, until the cargo is put on a placing point.

Description

technical field [0001] The invention belongs to the field of telescopic forklifts, in particular to a combined yoke on the fork of the telescopic forklift. Background technique [0002] Existing telescopic arm forklift lifts and carries goods, gets on and off the car, stacks and takes off goods in warehouses, transshipment of ground goods, etc., has played a great role. But existing telescopic arm forklift has a very big shortcoming that can only fork lift the object that inserts the fork space below. This is for many bags, such as grain bags, various raw material bags, melon and fruit bags, cement bags, fertilizer bags, etc., stacked together, there is no space below. Although there are grid mats for telescopic arm forklifts that are easy to fork, one layer can be placed every certain number of stacking layers, but most warehouses, especially the vast and scattered grain stations, chemical stations, cement stations, seed stations, fertilizer stations and other warehouses, ...

AI Technical Summary

Problems solved by technology

But the existing telescopic arm forklift has a big shortcoming that it can only fork lift objects that are inserted into the fork space.

There are also many box objects, such as cartons, wooden boxes, melon and fruit boxes, vegetable boxes, baskets, etc., which are often stacked directly layer by layer, and there is no space for inserting the fork of the telescopic arm forklift below.

These goods cannot be fork-loaded and carried with existing telescopic forklifts at all, and they are all manually carried, loaded and unloaded.

It is hard and tiring, and the work efficiency is low, and it often takes a long time

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