Swing arm garbage truck is really an ideal garbage transportation vehicle for city sanitation, manufacturer sewage, construction and other industries. Today we will look at the working principle and main structure of swing arm garbage truck:
Working Principle
(1) placed in the semi-closed trunk (2) from the transmission to obtain power, drive the hydraulic oil pump (3) rotation, produce high-pressure oil sent to the cylinders, through the cylinder (4) to make the lifting arm (5) around the winch point (A) rotation, so that the aggregate bucket lifting and unloading. When dumping the goods, first open the cover (6) the hopper with the axis (7) as the pivot point, the lifting arm rotates around the strand point (B), so that the hopper is tilted backward to complete the purpose of unloading the materials. Before lifting, the supporting leg (8) must be lowered to ensure the smoothness and safety of the whole vehicle, and the legs must be retracted to the highest position before traveling, and attention should be paid to whether the legs are automatically loosened or not during long-distance transfer.
Main structure
(I) Tipping mechanism
Self-dumping mechanism is welded by steel plate box structure, the main function is to manipulate the oil tank by multi-way valve to drive the pendulum arm around the shaft for rotary movement, its rotation angle is 145 °, so that it can be lifted heavy objects (such as hopper), as well as the hopper for the tipping movement.
(ii) hopper
When the bulk material is loaded into the hopper, hang the two ends of the chain, by the rotation of the boom can be hoisted onto the box, unloading by the swing arm rotation lifting away from the box, after landing, take off one end of the chain can be discharged to the opposite direction, the maximum tilting angle of up to 86 degrees or more.
(iii) Hydraulic system
Hydraulic system consists of take-off box, oil pump, manual multi-way reversing valve, one-way hydraulic lock, balance valve, oil pipe, oil tank and so on. The whole system is powered by the automobile gearbox and take-off box, and the manual multi-way valve operates the outrigger cylinder and swing arm cylinder for telescopic movement. This system oil pump discharge size can be regulated by the manual throttle under the car, the manual directional valve handle control valve rod stroke and thus control the cylinder piston rod movement speed, the system pressure can be set by the safety relief valve (adjustable), the system exceeds the set pressure will be overflowed by the safety relief valve.