High-compressive hydraulic cylinder
A technology of hydraulic cylinder and cylinder block, applied in the direction of engine, wind power generation, wind engine control, etc., can solve the problems of unsatisfactory sealing effect, low reliability, low stability, inability to withstand high pressure, etc., and achieve guaranteed performance. , good wear resistance, increase the effect of dynamic and static sealing performance
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[0013] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0014] As shown in Figure 1, a high-pressure hydraulic cylinder includes a U-shaped cylinder body, and the inner wall of the cylinder body has a bottom guide ring groove 1, a sealing ring groove 2 and a dust-proof ring groove 5 from bottom to bottom, and guides at the bottom. The guide ring 6 is embedded in the ring groove 1, the sealing ring groove 2 is U-shaped, the sealing ring 7 is embedded in the sealing ring groove 2, and the sealing ring 7 is a Ster seal sealing ring. There is also a secondary sealing ring groove 3 in between, the secondary sealing ring groove 3 is a square structure, the secondary sealing ring groove 3 is inlaid with a secondary sealing ring 8, and the part embedded in the secondary sealing ring groove 3 is a square structure, protruding Some are inverted V-shaped structures.
[0015] Among them, the Ster seal sealing ring i...
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