Large-load hydraulic bidirectional loading apparatus

Abstract

The invention relates to a large-load hydraulic bidirectional loading apparatus. According to the invention, servo cylinders respectively positioned in a loading cylinder and symmetrically and axially distributed along a thrust plate are adopted. A plurality of oil duct pipes are arranged between the servo cylinders and the loading cylinder. An oil channel A and an oil channel B are respectively arranged at a box body and a box cover. The oil channel A penetrates the surface of the thrust plate through the loading cylinder, the oil duct pipes, and the servo cylinders. The oil channel B penetrates a bonding interface of the loading cylinder and the servo cylinders through the loading cylinder. One end of a thrust shaft is connected to a driving apparatus through a coupler, and inputs power. The other end of the thrust shaft outputs power through a flange plate. With existing large-load thrust loading apparatuses, mechanical loading or electric loading is adopted, such that an interface of rotation parts can easily get abraded, and service life and efficiency are influenced. Further more, independent function requirements of heavy load and high-speed rotation can not be satisfied simultaneously by mechanical loading and electric loading, and a structure is complex. With the apparatus provided by the invention, the defects are overcome. The apparatus is suitable to be used as a matched loading apparatus in industries such as mining, electricity, coal, metallurgy, transportation, chemical industry, water conservancy, machine tools, and the like.

Description

technical field [0001] The invention relates to a large-load hydraulic two-way loading device. Background technique [0002] The large-load thrust loading devices in existing projects usually adopt mechanical loading or electric loading, and among these two loading methods, there are spiral loading or loading using the principle of leverage. However, the disadvantages of these loading methods are: or it is difficult to generate a large axial thrust; or it is difficult to meet the requirements of two-way loading; or it is difficult to adjust the magnitude of the loading thrust according to the linear requirement and it is easy to generate vibration and noise; The contact surface of the rotating part of the loading device is prone to wear, which affects the service life and efficiency of use. Mechanical loading and electrical loading cannot simultaneously meet the independent functional requirements of heavy load and high-speed rotation, and have defects such as complex struct...

AI Technical Summary

Problems solved by technology

However, the disadvantages of these loading methods are: or it is difficult to generate a large axial thrust; or it is difficult to meet the requirements of two-way loading; or it is difficult to adjust the magnitude of the loading thrust according to the linear requirement and it is easy to generate vibration and noise;

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