Patent ID: 11884196
Assignee: SHANGHAI ZHISHANGXING INTELLIGENT TECHNOLOGY CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 2:
3. The multi-functional cargo transfer vehicle according to claim 1, wherein the lifting mechanism (3) comprises a multi-layer lifting unit, and the number of layers in the multi-layer lifting unit is matched with the number of layers of the cargo conveying rack (2);
each layer of lifting unit comprises a plurality of connecting rods (311), positioning pins (312), and a hydraulic cylinder (313), wherein the plurality of connecting rods (311) are connecting together through the positioning pins (312), and the hydraulic cylinder (313) is mounted between the brackets (21) and the connecting rods (311);
a lifting unit at a bottom layer comprises a first end and a second end for support, the first end is connected with one of the brackets (21) at the bottom layer, and the second end is connected with another one of the brackets (21) at a layer immediately above the bottom layer; and
a lifting unit at a top layer has a third end and a fourth end for support, the third end is connected with one of the brackets (21) at the top layer, and the fourth end is connected with the vehicle body at the lower part of the multi-functional cargo transfer vehicle (11).