Hydraulic oil cylinder with built-in circulating oil paths and horizontal supporting plate
A technology of horizontal support and hydraulic cylinders, applied in the field of hydraulic cylinders, can solve the problems of poor performance and reliability of hydraulic cylinders, damaged oil pipes, and inability of hydraulic cylinders to supply oil, etc., and achieve the effect of reliable and stable performance.
Inactive Publication Date: 2017-02-08
韶关市博仕乐液压机械制造有限公司
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Problems solved by technology
[0004] The hydraulic cylinders used in most fields use external oil circuits to supply and discharge oil to the hydraulic cylinders. The hydraulic cylinders with external oil circuits are simple in principle, easy to implement, and relatively low in production costs, but the oil circuit settings It is easy to damage the oil pipe due to collision outside the cylinder, which will cause the hydraulic cylinder to fail to supply oil. The performance and reliability of this external oil supply hydraulic cylinder are relatively poor
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[0024] Please also see Figure 1 to Figure 6 , figure 1 is a schematic cross-sectional structure diagram of the hydraulic cylinder of the present invention, figure 2 yes figure 1 The enlarged view of part A in the middle, image 3 yes figure 1 Schematic diagram of the direction of the oil circuit when the middle movable cylinder assembly is extended, Figure 4 yes image 3 Enlarged view of part C in the middle, Figure 5 yes image 3 An enlarged view of part D in the middle, Figure 6 yes figure 1 Schematic diagram of the oil path when the middle movable cylinder assembly is retracted.
[0025] See figure 1 and figure 2 , a hydraulic cylinder 10 with a built-in circulating oil circuit and a horizontal support plate according to the present invention includes a fixed cylinder assembly 20 and a movable cylinder assembly 30 that can move pistons in the inner cavity of the fixed cylinder assembly 20 . The outer surface of the hydraulic cylinder 10 is polished and pl...
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The invention discloses a hydraulic oil cylinder with built-in circulating oil paths and a horizontal supporting plate. The hydraulic oil cylinder comprises a fixed cylinder barrel assembly and a movable cylinder barrel assembly movably arranged in an inner cavity of the fixed cylinder barrel assembly. The fixed cylinder barrel assembly comprises a fixed cylinder barrel and a piston rod arranged in the center of the inner cavity of the fixed cylinder barrel in parallel. The bottom end of the piston rod and the bottom end of the fixed cylinder barrel are connected and fixed through a flange. An annular cavity with a closed bottom is formed between the inner wall of the fixed cylinder barrel and the outer wall of the piston rod. The movable cylinder barrel assembly is inserted into the annular cavity from the top of the annular cavity and can make piston motion in the vertical direction. The first oil path and the second oil path are vertically arranged in a rod body of the piston rod side by side. The upper end of the first oil path is transversely bent and penetrates through the side wall of the piston rod, and the second oil path vertically penetrates through the top face of the piston rod. The hydraulic oil cylinder is internally provided with the first oil path and the second oil path, so that hydraulic oil circulates inside the hydraulic oil cylinder, the situation that an oil pipe is damaged due to external bump and consequently a hydraulic oil cylinder can not supply oil can be effectively avoided, and performance is reliable and stable.
Description
technical field [0001] The invention relates to an oil cylinder technology, in particular to a hydraulic oil cylinder with a built-in circulating oil circuit and a horizontal support plate. Background technique [0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and can perform linear reciprocating motion. It has simple structure and reliable operation. When it is used to realize reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap, and the motion is stable, so it is widely used in various mechanical hydraulic systems. [0003] A common hydraulic cylinder mainly includes a cylinder and a piston assembly. The part of the cylinder cavity with the piston rod is the rod cavity, and the part of the cylinder cavity without the piston rod is the rodless cavity. The oil circuit supplies oil and discharges oil in the rod inner cavity and the rodless inner cavity in turn to push th...
Claims
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IPC IPC(8): F15B15/14
CPCF15B15/14F15B15/1423F15B15/1457
Inventor 钟于民
Owner 韶关市博仕乐液压机械制造有限公司