Large-thrust high-speed hydraulic cylinder and work method thereof

Abstract

The invention relates to a large-thrust high-speed hydraulic cylinder. A hydraulic cylinder body is a sealed cavity which is transversely arranged. A high-speed cylinder barrel is fixedly arranged at the front end of the hydraulic cylinder body in an axial extending manner. A high-speed cylinder piston rod is coaxially sleeved with the high-speed cylinder barrel. The high-speed piston rod coaxially slides in a sealed manner in a high-speed cylinder rod cavity. An energy accumulator piston rod penetrating an energy accumulator gas cavity and a supercharger cavity is coaxially installed in the hydraulic cylinder body. An energy accumulator piston is fixedly arranged at the end portion, at the front end of the energy accumulator gas cavity, of the energy accumulator piston rod. The energy accumulator piston is installed in the hydraulic cylinder body in a sealed and sliding manner. An energy accumulator liquid cavity is formed between the energy accumulator piston and the high-speed cylinder piston rod. A pressure cylinder piston is coaxially manufactured on the energy accumulator piston rod in the supercharger cavity. The pressure cylinder piston is installed in the supercharger cavity in a sealed and sliding manner. By means of the high-thrust high-speed hydraulic cylinder, through the manner that a piton type energy accumulator and the high-speed hydraulic cylinder are directly connected in series, high-speed output of large thrust of the high-speed cylinder can be achieved.

Description

Technical field [0001] The invention belongs to the field of hydraulics, in particular to a large-thrust, high-speed hydraulic cylinder and a working method thereof. Background technique [0002] In various engineering applications such as crash tests, high-speed friction tests, or high-speed launching devices, it is usually necessary to accelerate large-mass test platforms or test objects to reach higher working speeds quickly. This puts forward the acceleration system of the test bench Very high job requirements. The hydraulic system has the advantages of large thrust and compact structure. It is an ideal test acceleration system. However, the existing traditional hydraulic cylinder is used as a power source, and its piston rod movement speed is restricted by many aspects such as liquid flow, so it is difficult to provide high Output speed. Summary of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the prior art, and provide a hig...

AI Technical Summary

Problems solved by technology

The hydraulic system has the advantages of large thrust and compact structure, and is an ideal test acceleration system. However, the existing traditional hydraulic cylinder is used as a power source, and the movement speed of its piston rod is limited by many aspects such as liquid flow, so it is difficult to provide high output speed

Images