Hydraulic system for bulk truck dumpers

• Main Authors: CHENG JIKUN, ZENG XIANGJIN, LEI FENG, REN GUOLONG, GAO SHAOHE, SHAO ZHONGXIU, FU PENG
• Format: Patent
• Language: English
• Published: 07.01.2015
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

The utility model discloses a hydraulic system for bulk truck dumpers. The structure of the hydraulic system comprises a hydraulic oil tank, an oil pump and motor assembly, proportional reversing valves, a diverter valve bank, three-stage plunger cylinders and pressure relays, wherein the hydraulic oil tank is connected with the oil pump and motor assembly, a check valve is connected with the first proportional reversing valve, and the first proportional reversing valve is respectively connected with the diverter valve bank and a return oil filter; the diverter valve bank is respectively connected with the first three-stage plunger cylinder and the second three-stage plunger cylinder, and the bottom of the first three-stage plunger cylinder is sequentially connected with a first hand-operated emergency valve, a first relief valve and the first pressure relay; the bottom of the second three-stage plunger cylinder is sequentially connected with a second hand-operated emergency valve, a second relief valve and the second pressure relay. The hydraulic system has the advantages that the safety performance and practical performance of equipment are greatly enhanced, the efficiency of production is further increased, and the goal of safe, automatic, quick and high-efficiency dumping of bulk truck dumpers is truly achieved.