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Static pressure supporting servo hydraulic cylinder

A servo hydraulic cylinder and static pressure support technology, applied in the field of servo hydraulic cylinders, can solve problems such as economic loss, fatigue of platform surface materials, and danger to the life safety of staff, so as to reduce potential safety hazards, avoid fracture risks, and ensure strength and thickness Effect

Pending Publication Date: 2022-04-15
汪志宏
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a hydrostatically supported servo hydraulic cylinder. The problem to be solved by the present invention is that the existing servo hydraulic cylinder is usually fixed to the bottom surface of the platform by hinge joints on a high-degree-of-freedom platform. The component force in the direction will cause the fatigue phenomenon of the surface material of the platform, cause the risk of fracture, cause unnecessary economic losses, and also cause great danger to the life safety of the staff

Method used

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Embodiment approach

[0031] As an embodiment of the present invention, the inside of the hemispherical housing 31 and the bottom of the drum-shaped support plate 32 form an oil cavity 312, and a horizontal oil groove 321 is opened at the maximum diameter of the side surface of the drum-shaped support plate 32, and the oil cavity 312 and the horizontal oil groove 321 Connected by several longitudinal oil grooves 322, the depth of the longitudinal oil grooves 322 is shallower than the horizontal oil grooves 321;

[0032]The oil in the oil chamber 312 flows into the horizontal oil groove 321 along the longitudinal oil groove 322, and the horizontal oil groove 321 is opened at the largest diameter to distribute the force evenly and play a role in lubrication. The oil can share a part of the drum-shaped support plate 32 Under the pressure, the oil will lubricate the contact point between the drum-shaped support plate 32 and the hemispherical shell 31 with the movement, and achieve the effect of lubricat...

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Abstract

The invention belongs to the technical field of servo hydraulic cylinders, and particularly relates to a static pressure supporting servo hydraulic cylinder which comprises a servo hydraulic cylinder body and a base, the top end of the servo hydraulic cylinder body is used for being hinged to the bottom of a high-degree-of-freedom platform, and the base comprises a hemispherical shell, a drum-shaped supporting plate and an oil discharging pipe. The bottom of a piston rod of the servo hydraulic cylinder is fixedly connected with the top of the drum-shaped supporting plate, the drum-shaped supporting plate is located in the semispherical shell, the inner wall of the semispherical shell is in sliding sealing connection with the outer wall of the drum-shaped supporting plate, an oil discharging hole is formed in the bottom of the semispherical shell, and the oil discharging hole in the bottom of the semispherical shell is fixedly connected with an oil discharging pipe. According to the invention, the matching of the semispherical shell and the drum-shaped supporting plate is used for replacing the traditional hinging fixation, so that the acting force with continuously changing directions and sizes is prevented from being generated at the same position, the fracture risk of a supporting point material is also avoided, and the potential safety hazard is reduced.

Description

technical field [0001] The invention belongs to the technical field of servo hydraulic cylinders, and in particular relates to a static pressure support servo hydraulic cylinder. Background technique [0002] The hydraulic servo system enables the output of the system, such as displacement, speed or force, to automatically, quickly and accurately follow the change of the input, and at the same time, the output power is greatly amplified. The working principle of the servo hydraulic machine is that the servo motor directly drives the gear pump for oil supply, the pressure is stable, the servo hydraulic machine spindle has a high repeat positioning accuracy in the downward direction, the pump control technology is adopted, energy saving and environmental protection, good rigidity, low noise, high efficiency, good flexibility, hydraulic servo The system has been widely used in industrial control due to its unique advantages such as fast response speed, large load rigidity, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14F15B15/20
Inventor 汪志宏陈文超
Owner 汪志宏
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