Testing device for testing durability of sealing parts of hydraulic cylinder

• Main Authors: LI ZHIJUN, XIONG WANGSHENG, LI YUAN, HAN ZHENHUA, YANG JINLEI, ZHOU NAIPING, AI ZHENGYUAN
• Format: Patent
• Language: Chinese; English
• Published: 27.11.2013
• 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; MEASURING; MECHANICAL ENGINEERING; PHYSICS; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; WEAPONS

The invention discloses a testing device for testing durability of sealing parts of a hydraulic cylinder. The testing device comprises the tested hydraulic cylinder, a driving unit (100) and a pressure oil fluid supplying unit (200); the driving unit (100) is used for driving a piston rod of the tested hydraulic cylinder to perform reciprocating linear motion; a first annular groove which is used for placing a piston sealing part (401) and/or a second annular groove which is used for placing a piston rod sealing part (301) are/is formed in the tested hydraulic cylinder; the pressure oil fluid supplying unit comprises a pressure cylinder (201), an oil tank (202) and a reversing valve (203); the working chamber of the pressure cylinder is connected with the oil tank through the reversing valve; the oil inlet of the high pressure chamber of the pressure cylinder is connected with the oil tank; the oil outlet of the high pressure chamber of the pressure cylinder is connected with the first annular groove and/or t