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Integrated hydraulic cylinder with extension and swing functions and application thereof

A hydraulic cylinder, an integrated technology, applied in the field of hydraulic cylinders, can solve the problems of hydraulic cylinders that cannot accurately control the rotation, troublesome manufacturing process, complex structure of hydraulic cylinders, etc., achieve good economic benefits and market value, save manufacturing costs, The effect of simple structure

Active Publication Date: 2016-03-30
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The part of the hydraulic cylinder of the present invention that realizes the rotating function is all arranged in the main cylinder, and does not need to be maintained. Although the present invention can realize the rotating function while expanding and contracting, the structure of the hydraulic cylinder is complicated and the manufacturing process is cumbersome. The hydraulic cylinder cannot achieve the purpose of precisely controlling the rotation

Method used

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  • Integrated hydraulic cylinder with extension and swing functions and application thereof
  • Integrated hydraulic cylinder with extension and swing functions and application thereof
  • Integrated hydraulic cylinder with extension and swing functions and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 As shown, an integrated hydraulic cylinder with telescopic and swinging functions, including a cylinder bottom 1, a cylinder barrel 4, a cylinder head 7, a piston 3 and a piston rod 6, the piston 3 is placed in the cylinder barrel 4, and the piston 3 contains a cavity A left end cap 2 and a right end cap 15 are respectively installed on both sides of the piston 3, and one end of the piston rod 6 passes through the right end cap 15 and is located in the cavity, and the other end passes through the cylinder head 7.

[0033] The left end cover 2 includes a body, the body is a stepped cylinder, including two first cylinders and second cylinders with different diameters, the first cylinder is provided with a bolt hole 11, and the left end cover and the piston 3 are connected by bolts. A partition is arranged on the second cylinder. A disc is arranged on the piston rod, a partition is provided on one side of the disc, two axial holes 12 are provided in the a...

Embodiment 2

[0036] An integrated hydraulic cylinder with telescoping and swinging functions, the structure is as described in Embodiment 1, the difference is that a first groove 13 is provided on the partition plate on the piston rod 6, and a first groove 13 is provided on the partition plate of the left end cover. A second groove 9 is provided, and a third groove 10 is provided on the second cylinder. The third groove 10 is a circular groove. When the piston rod 6 is installed with the left end cover 2, one end surface of the piston rod in contact with the circular groove.

[0037] Gaskets are provided in the first groove 13 , the second groove 9 and the third groove 10 . By adding a gasket in the groove, the hydraulic oil can be truly sealed in the cavity of the piston to prevent leakage, so that the first chamber and the second chamber can be truly isolated from each other, preventing oil from flowing and affecting its rotation Precision control.

Embodiment 3

[0039] An integrated hydraulic cylinder with telescopic and swing functions, the structure is as described in Embodiment 2, the difference is that two guide rods 5 are arranged in the cylinder barrel 4 of the hydraulic cylinder, and the two guide rods 5 are symmetrical It is arranged on the upper and lower sides of the cavity. After the guide rod 5 passes through the piston, its two ends are connected with the cylinder bottom 1 and the cylinder head 7 respectively. When supplying oil to the axial hole to realize the swing function of the piston rod, the guide rod can restrict the rotation of the piston, and only realize the rotation of the piston rod, thereby realizing independent control of the telescopic and swing functions.

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Abstract

The invention relates to an integrated hydraulic cylinder with extension and swing functions and application thereof. The integrated hydraulic cylinder comprises a cylinder bottom, a cylinder barrel, a cylinder cover, a piston and a piston rod; the piston is arranged in the cylinder barrel, and includes a cavity; a left end cover and a right end cover are arranged on two sides of the piston; one end of the piston rod is positioned in the cavity after penetrating through the right end cover; separation plates are oppositely arranged on the piston rod and the left end cover; the piston rod is provided with an axial hole communicated to the cavity; and when oil is supplied to the axial hole, oil pressure is formed between the separation plates, and the separation plate on the piston rod is pushed to drive the piston rod to rotate. The extension and swing functions are realized through the structure of the integrated hydraulic cylinder, so that the defect of realization of swing and extension functions through oil supply by two oil cylinders in a traditional hydraulic cylinder is saved, the integration is higher, the structural space of the hydraulic cylinder is reduced, and the manufacturing cost is saved; and the extension and swing functions are independent from each other, so that the swing is more accurate, the control precision is improved, and several working environments with higher use requirements can be satisfied.

Description

technical field [0001] The invention relates to an integrated hydraulic cylinder with telescopic and swing functions and its application, which belongs to the technical field of hydraulic cylinders. Background technique [0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swing 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. The telescopic and swinging actions of the current hydraulic cylinder must be completed by two oil cylinders, which increases the manufacturing cost of the hydraulic cylinder and occupies a large space. Most of the current telescopic and rotating mechanisms are electric or pneumatic, and the force and moment obtained in a limited space...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/16F15B15/06
CPCF15B15/06F15B15/16
Inventor 曾庆良许德山万丽荣逯振国
Owner SHANDONG UNIV OF SCI & TECH
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