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Pressurizing cylinder

A technology of pressurizing cylinder and cylinder barrel, which is applied in the hydraulic field and can solve problems such as small pressurization ratio

Active Publication Date: 2013-12-25
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that under the same volume, the boost ratio is small

Method used

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Examples

Experimental program
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Embodiment Construction

[0048] The invention will be described in detail below in conjunction with the accompanying drawings.

[0049] like figure 1 As shown, a booster cylinder includes three parts: a primary piston 10, a secondary piston 20 and a cylinder barrel 30. The primary piston 10 is set in the inner cavity of the secondary piston 20, and the secondary piston 20 is set in the cylinder barrel 30. The inner chamber of the first stage piston 10 and the second stage piston 20 move with each other to complete the first pressurization of the hydraulic oil; the relative movement of the second stage piston 20 and the cylinder barrel 30 completes the second pressurization of the hydraulic oil.

[0050] like figure 2 As shown, the primary piston 10 includes a main body, the main body is a cylinder 13 with an annular groove 12 on the circumferential surface, and a disc 14 is respectively formed on the two ends of the cylinder 13, the circle Area A of disc 14 14 less than the cross-sectional area A ...

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Abstract

The invention provides a pressurizing cylinder, which belongs to the technical field of hydraulic pressure. The pressurizing cylinder comprises three parts, namely a primary piston (10), a secondary piston (20) and a cylinder tube (30), wherein the primary piston (10) is sleeved in an inner cavity of the secondary piston (20), the secondary piston (20) is sleeved in an inner cavity of the cylinder tube (30), and first pressurizing to hydraulic oil is completed due to mutual movement of the primary piston (10) and the secondary piston (20), and second pressurizing to the hydraulic oil is completed due to relative movement of the secondary piston (20) and the cylinder tube (30). Compared with a pressurizing cylinder in the prior art, the pressurizing cylinder provided by the invention has the advantages that the size is small, particularly, the radial size is greatly reduced, and the structure is compact.

Description

technical field [0001] The invention belongs to the technical field of hydraulic pressure and relates to a supercharging device, in particular to a supercharging cylinder, an integrated valve block and a supercharging device thereof. Background technique [0002] The principle of the pressurized cylinder in the general sense is to increase the proportional output of the input hydraulic oil according to the difference in the effective area of ​​the piston and the plunger. The boost ratio is equal to the inverse ratio of the piston area. This booster cylinder only performs one-stage booster conversion, and the booster ratio is a linear proportional relationship between the radial area of ​​the piston and the plunger, and does not fully utilize the space volume of the booster cylinder for boosting. In order to achieve two-way continuous supercharging, the following double-acting reciprocating superchargers have emerged, such as electromagnetic reversing valves, etc. However, ...

Claims

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Application Information

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IPC IPC(8): F15B3/00F15B15/14
Inventor 曾庆良刘继龙张鑫万丽荣王亮刘志海王成龙苏兴明赵吉龙王天超
Owner SHANDONG UNIV OF SCI & TECH
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