Hydraulic oil cylinder and related devices of hydraulic oil cylinder, and hydraulic buffer system, excavator and concrete pump truck
A technology of hydraulic cylinders and buffer sleeves, which is applied in the field of hydraulic cylinders, can solve problems such as extremely high manufacturing precision requirements of buffer mechanisms, hydraulic cylinders cannot be used normally, and the manufacturing level is difficult to meet the requirements, so as to facilitate the organization of production, avoid mechanical failures, and process easy effect
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[0064] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0065] Please refer to Figure 2 to Figure 11 In the first specific embodiment, it includes a rod chamber end cover 1, a cylinder barrel 2, a piston rod 3, a piston 6 and a rodless chamber end cover 12, and the rod chamber end cover 1 is provided with an oil passage B, and the rodless The cavity end cover 12 is provided with an oil passage A, the piston rod 3 and the piston 6 divide the inner cavity of the hydraulic cylinder 2 into a rod chamber and a rodless chamber, and the oil passage B and the oil passage A are connected with the oil passage of the hydraulic system. Similar, they are all axial oil passages opened on the hydraulic cylinder. The oil passage B includes the oil passage hole opened on the rod chamber end c...
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