Hydraulic control system with pressure-maintaining function and used for ascending oil cylinder
A hydraulic control system and oil cylinder technology, which is applied in the direction of fluid pressure actuators, servo motors, mechanical equipment, etc., can solve the problems of excessive oil cylinder volume and occupying space, and achieve small installation space, strong pressure holding capacity, and simple structure Effect
Inactive Publication Date: 2020-06-02
宁波北仑威迈液压机械有限公司
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Problems solved by technology
[0002] In some mechanical equipment, it is necessary to ensure that the platform is in a rising state. Ordinary oil cylinders need to increase the power of the oil cylinder to achieve the effect of maintaining pressure. However, this kind of oil cylinder is too large and will occupy more space during installation. In order to solve the above problems, design a A pressure-holding oil circuit is very necessary
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[0011] The present invention will be further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of this application.
[0012] The embodiment of the present invention relates to a hydraulic control system of an ascending cylinder with a pressure maintaining function, such as figure 1 —2, including the relief valve 1, the two-position four-way reversing valve 2 and the ascending cylinder 3, the oil inlet of the ascending cylinder 3 is connected to the oil inlet pipe P, the ascending cylinder 3 is unloading oil The port is connected to port B of the two-positi...
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The invention relates to a hydraulic control system with a pressure-maintaining function and used for an ascending oil cylinder. The hydraulic control system with the pressure-maintaining function andused for the ascending oil cylinder comprises an overflow valve, a two-position four-way reversing valve and the ascending oil cylinder, wherein an oil inlet of the ascending oil cylinder is connected with an oil inlet pipeline P; an oil discharge port of the ascending oil cylinder is connected with a port B of the two-position four-way reversing valve through a pipeline; a port A of the two-position four-way reversing valve is connected with an oil inlet of the overflow valve through a pipeline; an oil discharge port of the overflow valve is connected with an oil outlet pipeline T; a port Pof the two-position four-way reversing valve is directly connected with an oil tank; a port T of the two-position four-way reversing valve is connected with the port A of the two-position four-way reversing valve through a pipeline; a branch pipeline is arranged on a pipeline for connecting the port P of the two-position four-way reversing valve with the oil tank; and the branch pipeline is connected with a control end of the overflow valve. The hydraulic control system with the pressure-maintaining function and used for the ascending oil cylinder has the characteristics of being simple in structure, small in installation space, high in pressure-maintaining capacity, and the like.
Description
Technical field [0001] The invention relates to the technical field of hydraulic control of an ascending cylinder, and in particular to a hydraulic control system for an ascending cylinder with a pressure maintaining function. Background technique [0002] In some mechanical equipment, it is necessary to ensure that the platform is in a rising state. Ordinary oil cylinders need to increase the power of the oil cylinder to achieve the effect of maintaining pressure. However, this type of oil cylinder is too large and will occupy more space when installed. In order to solve the above problems, a design This kind of pressure holding oil circuit is very necessary. Summary of the invention [0003] The technical problem to be solved by the present invention is to provide a hydraulic control system of an ascending oil cylinder with pressure maintaining function, which has the characteristics of simple structure, small installation space, strong pressure maintaining ability and the like....
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IPC IPC(8): F15B11/08
CPCF15B11/003F15B11/08
Inventor 谢科辉
Owner 宁波北仑威迈液压机械有限公司