Linkage hydraulic cylinder
A hydraulic cylinder and linkage technology, applied in the field of hydraulic cylinders, can solve the problems of complex structure, high cost and loss of hydraulic source and hydraulic control system.
Inactive Publication Date: 2016-08-24
JIANGSU GUIXIN PETROLEUM EQUIP
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Problems solved by technology
The current various single hydraulic cylinders are the executive elements of the hydraulic system. The hydraulic system also includes the hydraulic source and the control system. The hydraulic source and the hydraulic control system are used to control the hydraulic cylinder. The structure of the hydraulic source and the hydraulic control system is complex and expensive. Relatively high, and in the process of hydraulic oil passing through the hydraulic control system, the hydraulic pressure often produces a certain degree of loss
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[0009] refer to figure 1 , figure 2 , make the present invention.
[0010]A linkage hydraulic cylinder, which is a hydraulic linkage device, includes an active hydraulic cylinder 5, a driven hydraulic cylinder 1, oil delivery pipes, and hydraulic oil. Active hydraulic cylinder comprises the cylinder body of active hydraulic cylinder, active piston 12 and active piston rod 10, the sealing device of active hydraulic cylinder; The cylinder body of active hydraulic cylinder comprises the cylinder barrel 4 of active hydraulic cylinder and the cylinder cover 11 of active hydraulic cylinder; There are two through holes for oil in and out on the cylinder body of the active hydraulic cylinder, that is, there is a through hole for oil in and out on the bottom of the cylinder barrel of the active hydraulic cylinder, and there is a through hole for oil in and out on the cylinder head of the active hydraulic cylinder; There is also a central through hole on the cylinder head of the cyli...
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The invention belongs to a hydraulic linkage device, and relates to a linkage hydraulic cylinder. The linkage hydraulic cylinder comprises a driving hydraulic cylinder body, a driven hydraulic cylinder body, oil conveying pipes and hydraulic oil or other hydraulic fluid. A driving piston directly drives a driven piston through the hydraulic oil or other hydraulic fluid, or a driving piston directly drives a plurality of driven pistons to be in linkage together through the hydraulic oil or other hydraulic fluid. Linkage of the driving piston and the driven piston is not limited by the distance or a complex structure. The hydraulic oil or other hydraulic fluid flows in a closed manner and does not pass through other links, and therefore hydraulic losses caused by the hydraulic oil or other hydraulic fluid are reduced. The linkage hydraulic cylinder is simple in structure, low in manufacturing cost and good in linkage effect.
Description
technical field [0001] The invention relates to a hydraulic cylinder, in particular to a linkage hydraulic cylinder. Background technique [0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating or oscillating motion. Hydraulic cylinders are basically composed of cylinder barrel and cylinder head, piston and piston rod, and sealing device. According to the structure of commonly used hydraulic cylinders, they can be divided into four types: piston type, plunger type, telescopic type, and swing type. The piston-type single-piston rod hydraulic cylinder has only one end of the piston rod, which is a single-piston hydraulic cylinder. The inlet and outlet oil ports at both ends can pass pressure oil or return oil to realize two-way movement, so it is called a double-acting cylinder. The piston can only move in one direction, and its movement in the opposite direction needs to be completed by ext...
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IPC IPC(8): F15B18/00F15B15/14
Inventor 杨桂青李金松张树平
Owner JIANGSU GUIXIN PETROLEUM EQUIP