Hydraulic cylinders, hydraulic drive systems and construction machinery
A technology for driving systems and construction machinery, applied in the direction of fluid pressure actuation devices, etc., can solve problems such as abnormal noise, piston rod shaking and crawling, etc., and achieve the effects of improving low-speed dynamic performance, improving sealing performance, and improving anti-side load capacity.
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[0037] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0038] In the present invention, the terms "first", "second", ..., etc. are only used to distinguish different technical features, and are not used to limit the priority of technical features. When necessary, these technical features The effect that can be achieved is basically the same. In the present invention, in the case of no contrary description, the used orientation words such as "up, down, left and right" usually refer to the up, down, left and right shown in the accompanying drawings; "inside and outside" Refers to the inside and outside of the outline of each part itself.
[0039] refer to Figure 2 to Figure 5 As shown, the present invention provid...
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