Tip truck car hopper elevating system

The utility model provides a tip truck car hopper elevating system, installs between frame and car hopper, including first connecting rod, second connecting rod and push-and-pull device, first connecting rod front end and car hopper articulated, the rear end articulates the rear portion of second connecting rod, second connecting rod front end articulate on the frame, the push-and-pull device articulate on the frame, the piston rod that the push-and-pull device set up is articulated with the rear portion of second connecting rod. Tip truck car hopper elevating system is the single casing structure, simple structure, and the space that occupies is little, and is low to the control system's of push-and-pull device requirement, need not to consider the equalibrium problem the when car hopper goes up and down, has reduced the tip truck and has sent out the risk into the accident of turning on one's side, and first connecting rod, second connecting rod and piston rod form a laborsaving lever, have increased the thrust that can offer the car hopper, have reduced the requirement that push-and-pull device thrust was exported, have improved the goods loading capacity of car hopper.