Heavy load compact type working mechanism used for mine underground industrial truck

The utility model belongs to the technical field of mine underground auxiliary transportation, and particularly relates to a heavy load compact type working mechanism used for a mine underground industrial truck. The problem encountered by the working mechanism of a mine underground heavy load auxiliary transportation vehicle is solved. The heavy load compact type working mechanism used for the mine underground industrial truck comprises two groups of oil cylinders hinged and connected with the front end of the front rack of the industrial truck, wherein the previous group comprises two tipping oil cylinders, and the next group comprises two lift oil cylinders; the periphery of the oil cylinders is provided with lift arms; the rear end of each lift arm is hinged to the front rack; the front end of each lift arm is hinged to a lifting seat; the piston rod ends of the lift oil cylinders are hinged to the lift arms; the piston rod ends of the tipping oil cylinders are hinged to the lift seats; the top ends of th