Cab lifting mechanism of material grabbing machine

The utility model relates to the technical field of grabbing machines, and discloses a cab lifting mechanism of a grabbing machine, which comprises a base support and a cab base, first connecting plates are rotatably mounted in two sides above the base support, and second connecting plates are rotatably mounted in two sides above the base support and below the first connecting plates. A mounting plate is integrally formed on one side of the cab base, four connecting blocks are fixedly mounted on the side, away from the cab base, of the mounting plate, the four connecting blocks are divided into two groups and fixedly mounted on the two sides of the mounting plate respectively, and a lifting assembly is arranged below the base support and used for driving the first connecting plate to ascend and descend. When equipment is maintained, the safety pin penetrates into the safety lock hole to limit falling of the second connecting plate, the safety of maintenance operation is guaranteed in a mechanical limiting mod