High-speed single-rod symmetric hydraulic cylinder for electro-hydrostatic actuator
A symmetrical hydraulic cylinder and electric hydrostatic technology, applied in the direction of fluid pressure actuating device, etc., can solve the problems that hydraulic cylinders cannot be applied and have high requirements, and achieve the effects of saving power consumption, large speed range, and small installation space
Inactive Publication Date: 2017-07-11
XINXIANG XINBEIZENG AUTOMATIC EQUIP CO LTD
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Problems solved by technology
[0004] The object of the present invention is to overcome the shortcomings of the prior art, and provide a high-speed single-rod symmetrical hydraulic cylinder for electric hydrostatic actuators, which uses a single-rod symmetrical cylinder with two working chambers, the inner oil chamber and the outer oil chamber. Cylinder and a spring is set in the air chamber, which provides additional power for the rapid movement of the piston rod through the spring, which solves the technical problem that the traditional hydraulic cylinder cannot be applied to occasions that require high-speed execution parts and have high requirements for installation space and control performance
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[0012] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0013] It should be noted that the orientation terms such as left, right, up, down, front, and back in the embodiments of the present invention are only relative concepts or refer to the normal use state of the product, and should not be regarded as having restrictive.
[0014] exist figure 1 Among them, a high-speed single-rod symmetrical hydraulic cylinder for an electric hydrostatic actuator, which includes a cylinder barrel 3, the front end of the cylinder barrel 3 is fixedly connected to the front end cover 4, the rear end of the c...
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The invention discloses a high-speed single-rod symmetrical hydraulic cylinder for an electric hydrostatic actuator, which belongs to the technical field of electric hydrostatic actuators. It includes a front end cover, a cylinder barrel and a rear end cover which are connected in sequence. The cylinder barrel is provided with a piston rod which is slidingly and sealingly connected with its inner wall, and the front end of the rear end cover is set as an end rod which is slidingly and sealingly connected with the inner cavity wall of the piston rod. , the cavity of the piston rod and the end rod form an inner oil chamber, and the volume of the inner oil chamber is equal to that of the outer oil chamber surrounded by the cylinder, the outer wall of the piston rod and the front end cover. The front end of the cylinder is provided with an oil port connected to the outer oil chamber, the rear end of the cylinder is provided with an air port, and a spring is provided in the air chamber between the piston rod and the rear end cover, and the spring provides additional support for the rapid movement of the piston rod. power. The invention is suitable for application in occasions that require high-speed executive parts to work and have high requirements for installation space and control performance.
Description
technical field [0001] The invention relates to the technical field of electric hydrostatic actuators, in particular to a high-speed single-rod symmetrical hydraulic cylinder for electric hydrostatic actuators. Background technique [0002] The electric hydrostatic actuator is an integrated hydraulic system, which integrates and miniaturizes the motor, hydraulic pump, fuel tank, actuator, detection element and controller, making the new integrated integrated actuation system small in size and low in weight. Light, high performance, can realize all the functions of the traditional hydraulic system, and overcome some inherent shortcomings of the traditional hydraulic system, has great theoretical significance and practical value. It has a unique quick-plug and quick-use function. Because of its easy installation, it is only equivalent to installing an oil cylinder, and then connecting the cable to the power supply and controller, and the electric hydrostatic actuator can work....
Claims
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Login to View More IPC IPC(8): F15B15/14
CPCF15B15/1423F15B15/1447
Inventor 胡东涛陈超程骥李延伟张建明
Owner XINXIANG XINBEIZENG AUTOMATIC EQUIP CO LTD