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A buffering method for a hydraulic cylinder at the beginning of stroke

A technology of hydraulic actuator and buffering method, which is applied in the direction of fluid pressure actuating device, etc., which can solve the problems that it is difficult to realize the buffering at the initial end of the actuator, and achieve the effects of simple structure, low cost of use, and convenient installation and maintenance

Active Publication Date: 2022-03-25
BEIJING INST OF SPECIALIZED MACHINERY
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is: to design a buffering method for the hydraulic cylinder at the beginning of the stroke, and realize the buffering function of the hydraulic actuator at the initial end of the working stroke by building a new type of internal buffer structure. The problem of realizing the buffer at the initial end of the actuator; on the other hand, the hydraulic actuator designed during the realization process has the advantages of simple structure and low maintenance cost compared with the external buffer mode of the actuator

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  • A buffering method for a hydraulic cylinder at the beginning of stroke
  • A buffering method for a hydraulic cylinder at the beginning of stroke
  • A buffering method for a hydraulic cylinder at the beginning of stroke

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Embodiment Construction

[0038] In order to make the purpose, content, and advantages of the present invention clearer, the specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0039] The invention relates to a method for buffering a reciprocating linear motion actuator at the beginning of a stroke in a hydraulic system, in particular to a method for buffering a hydraulic cylinder at the beginning of a stroke capable of realizing the buffering function at the initial end of a working stroke.

[0040] like Figure 1 to Figure 6 As shown, the method is realized based on the design of a hydraulic actuator. The hydraulic actuator is designed to mainly include: a cylinder body 1, a cylinder bottom 2, a piston 4, a buffer piston 7, a guide sleeve 9, a static seal 10, a lock The tight sleeve 11, the dustproof ring 13, the piston rod 14, the lock nut 15, the rod head 16 and the bearings, support rings and dynamic...

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Abstract

The invention relates to a method for buffering a hydraulic cylinder at the beginning of a stroke, and relates to the technical field of fluid transmission. The invention realizes the buffering function of the hydraulic actuator at the initial end of the working stroke through the new internal buffer structure constructed, and can solve the problem that the traditional internal buffer structure is difficult to realize the buffering of the initial end of the actuator; Compared with the external buffer mode of the actuator, the actuator has the advantages of simple structure, convenient installation and maintenance, and low cost of use.

Description

technical field [0001] The invention relates to the technical field of fluid transmission, in particular to a buffering method for a hydraulic actuator at the beginning of a stroke. Background technique [0002] The hydraulic actuator is an important reciprocating motion actuator in the hydraulic system, and its actuation performance has an important influence on the system. When the moving speed of the hydraulic actuator is fast or the load inertia is large, it is easy to generate impact at the initial end or end of the working stroke of the actuator. Among them, the impact at the initial end of the working stroke mainly acts on the load through the piston rod of the actuator, causing the load to receive a large impact load instantaneously, resulting in vibration and noise, and even motion instability. The impact at the end of the working stroke is mainly caused by the rigid impact of the piston of the actuating cylinder on the bottom of the cylinder, which is then transmi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14F15B15/22
CPCF15B15/1423F15B15/1447F15B15/22
Inventor 张振华张鑫曹秀荣李春萍王飞李大让
Owner BEIJING INST OF SPECIALIZED MACHINERY
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