Anti-Damage Hydraulic Cylinders
A hydraulic cylinder, anti-damage technology, applied in the direction of fluid pressure actuation devices, etc., can solve problems such as mechanical collision, impact, leakage, etc.
Active Publication Date: 2019-02-22
CHONGQING WEIQING HYDRAULIC MACHINERY CO LTD
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Problems solved by technology
However, when the hydraulic cylinder bears a large load, since the thrust is proportional to the effective working area, its cylinder diameter is correspondingly large. When the hydraulic cylinder moves to the end of the stroke, it has relatively large kinetic energy. There will be a mechanical collision between the piston and the cylinder head, resulting in impact, noise, and destructive
Under the impact of the piston for a long time, the hydraulic cylinder will be damaged or even leaked, which will affect the stability of the hydraulic system
Method used
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[0013] The present invention will be described in further detail below by means of specific embodiments:
[0014] The reference signs in the drawings of the description include: body 1, high-pressure air pump 2, first oil port 3, piston rod 4, sealing ring 5, first air pipe 6, second air pipe 7, u-shaped pipe 8, piston 9, seal Ring 10, spring 11, second oil port 12.
[0015] The embodiment is basically as figure 1 Shown:
[0016] The anti-damage hydraulic cylinder of the present embodiment comprises a body 1 of the hydraulic cylinder, a piston cavity is opened in the body 1, and a spring 11 for buffering is provided in the piston cavity; a piston 9 is slidably connected to the piston cavity, and both sides of the piston 9 are connected There is a piston rod 4 , a sealing ring 5 is provided at the gap between the body 1 and the piston rod 4 , and a sealing ring 10 is provided at the connection between the piston 9 and the body 1 . The body 1 is provided with a first oil port...
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The invention belongs to the field of hydraulic devices and particularly relates to a breakage-proof hydraulic cylinder. The breakage-proof hydraulic cylinder comprises a hydraulic cylinder body; thebody is internally provided with a piston cavity which is internally provided with a spring for buffering; the piston cavity is slidably connected with a piston, the two sides of the piston are both connected with piston rods, and seal rings are arranged on connecting gaps of the body and the piston rods; and a sealing ring is arranged on the connecting position of the piston and the body. The body is provided with a first oil port and a second oil port used for leading working oil into the body, the first oil port is located in the left side of the piston, and the second oil port is located in the right side of the piston; u-shaped pipes are formed on the piston rods, and a first air pipe communicating with the outside and a second air pipe leading into the piston cavity are arranged on the body; and the inlet end of the first air pipe is connected with an outside high-pressure air pump, and when the piston moves to the position of the maximum stroke, the u-shaped pipes communicate the first air pipe with the second air pipe. According to the breakage-proof hydraulic cylinder, impact of the piston on the hydraulic cylinder can be reduced, and leakage or breakage of the hydraulic cylinder is prevented.
Description
technical field [0001] The invention belongs to the field of hydraulic equipment, in particular to an anti-damage hydraulic cylinder. Background technique [0002] In the machinery industry, the hydraulic cylinder is an important part of power transmission, and the working environment is harsh, especially in the metallurgy, mining and shipping industries, which have high requirements for the operation of machinery and equipment. In the process of mechanical transmission, the hydraulic cylinder In the harsh working environment of high pressure, impact and instability, hydraulic cylinders are widely used in the control process of industrial production. A hydraulic cylinder is a device that converts hydraulic energy into mechanical energy and enables the machine to achieve reciprocating linear motion or swing. Its transmission works smoothly and has high reliability. However, when the hydraulic cylinder bears a large load, since the thrust is proportional to the effective work...
Claims
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IPC IPC(8): F15B15/14F15B15/22
Inventor 谷山品
Owner CHONGQING WEIQING HYDRAULIC MACHINERY CO LTD