Cylinder bottom end buffering device of hydraulic cylinder

• Main Authors: GUO LEKAI, DIAO ZHAOPIN, YAN JIANWEN, ZHANG RENCHUAN, ZHONG WEICHUN, WANG ZHONGMING, WANG RUNFANG, WANG LANTAO, DU QIGUO, SHANG HOUYAN
• Format: Patent
• Language: English
• Published: 08.04.2015
• 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 belongs to the technical field of hydraulic parts for mechanical equipment, and particularly relates to a cylinder bottom end buffering device of a hydraulic cylinder. The device is characterized in that a piston rod is provided with a buffering pin hole used for installing one end of a buffering pin, the other end of the buffering pin is located in a buffering hole in a cylinder bottom, and the buffering hole is communicated with a buffering oil hole in the cylinder bottom; steel balls are arranged in steel ball grooves in the buffering pin, and the steel balls are matched with steel ball grooves in the piston rod; the piston rod is provided with a steel ball inlet communicated with the steel ball grooves in the buffering pin, and a plug is arranged in the steel ball inlet. The buffering device has the advantages of being reasonable in structure, convenient to use, good in buffering effect and convenient to maintain.