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A double-acting high-thrust output hydraulic cylinder

A hydraulic cylinder, high thrust technology, applied in the direction of fluid pressure actuating devices, etc., to achieve the effect of compact structure, ingenious design and broad application prospects

Active Publication Date: 2016-12-28
云南兴长江实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case that the limit output force of the hydraulic cylinder cannot meet the requirements of use, the use of traditional hydraulic cylinders cannot solve this problem

Method used

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  • A double-acting high-thrust output hydraulic cylinder
  • A double-acting high-thrust output hydraulic cylinder

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited in any way, and any changes or improvements made based on the teaching of the present invention fall within the protection scope of the present invention.

[0010] Such as figure 2 As shown, the present invention includes a master cylinder 1 and a master piston 2, the upper and lower sections of the master cylinder 1 are respectively provided with oil inlet and outlet holes 11; the master piston 2 is provided with a master piston rod 3, the The main piston 2, the main piston rod 3 and the main cylinder body 1 are coaxially dynamic and sealed, and the main piston rod 3 is arranged along the longitudinal axis. The upper main plug rod oil passage hole 31; the auxiliary piston rod 4 is set on the auxiliary piston 5 and supported on the bottom of the main cylinder body 1; the auxiliary piston rod 4 is provided with a guide hole 41 alo...

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Abstract

The invention discloses a double-acting high-thrust output hydraulic oil cylinder, which comprises a main cylinder body and a main piston. The upper and lower sections of the main cylinder body are respectively provided with oil inlet and outlet holes; the main piston is provided with a main piston rod. The main piston, the main piston rod and the main cylinder are in coaxial dynamic and sealing cooperation, the auxiliary cylinder is arranged along the longitudinal axis on the main piston rod and the auxiliary piston is in dynamic and sealing cooperation, and the main piston rod is equipped with a main plug rod oil passage hole; An auxiliary piston rod is arranged on the auxiliary piston and is supported on the bottom of the main cylinder; a diversion hole is arranged on the auxiliary piston rod along the longitudinal axis, and an oil channel hole of the auxiliary piston rod is arranged on the auxiliary piston rod to communicate with the diversion hole. The invention adopts the combined structure of the composite hydraulic cylinder body and the double-acting piston, so that the dynamic area of ​​the piston is greatly increased compared with the prior art hydraulic cylinder, thereby effectively improving the external output power of the hydraulic cylinder. The invention has compact structure and ingenious design, effectively excavates the space in the main piston rod to form the working area of ​​the piston, and the hydraulic thrust can be increased by 30% to 60%.

Description

technical field [0001] The invention belongs to the technical field of mechanical power transmission, and further belongs to the technical field of hydraulic transmission devices, in particular to a compact double-acting high-thrust output hydraulic oil cylinder. Background technique [0002] The hydraulic cylinder is the most important actuator in the hydraulic system. It converts hydraulic energy into mechanical energy, and cooperates with various transmission mechanisms to complete various mechanical movements. The hydraulic cylinder has the characteristics of simple structure, large output force, stable and reliable performance, convenient use and maintenance, etc., and is widely used in various machinery. In the practical application of hydraulic cylinders, in some special places, due to the limitation of equipment structure, the space for installing hydraulic cylinders is limited. Since the output force of the hydraulic cylinder is proportional to the piston area and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14
Inventor 叶艺明张剑张林忠李维举朱笑宇
Owner 云南兴长江实业有限公司
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