CN201021730Y - Load sensing percent control hydraulic pressure multi-channel valve - Google Patents
Load sensing percent control hydraulic pressure multi-channel valve Download PDFInfo
- Publication number
- CN201021730Y CN201021730Y CNU2007200332638U CN200720033263U CN201021730Y CN 201021730 Y CN201021730 Y CN 201021730Y CN U2007200332638 U CNU2007200332638 U CN U2007200332638U CN 200720033263 U CN200720033263 U CN 200720033263U CN 201021730 Y CN201021730 Y CN 201021730Y
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- Prior art keywords
- valve body
- control hydraulic
- utility
- load sensing
- model
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Abstract
The utility model relates to a valve body in the hydraulic circuit, in particular to a valve body of a load sensing proportion controlling hydraulic multitandem valve, and the valve body has an integral structure. The corners of an oil way 1 and an oil way 2 of the valve are provided with transition arcs; the valve body is cast by precision casting, since the corner of the oil way is designed to be arc-shaped, the liquid resistance is reduced, the flux loss is reduced, and the circulation capacity is strong. Since the whole valve body has an integral structure, the defects, such as leakage, and the like, brought by multichip assembly of the traditional valve body are avoided. The utility model has rational and compact structure, reliable performance, can be widely used in the hydraulic control circuit of the car crane and the crawling crane, and has great practical value.
Description
Technical field
The utility model relates to the valve body in a kind of hydraulic system, the valve body in a kind of specifically hydrovalve.
Background technique
Relevant by retrieval patent documentation does not retrieve the hydraulic multichannel valve body with load-transducing proportional control that be used for multichannel control identical with the utility model structure at present as yet.The valve body of existing similar multi-way valve, owing to baroque reason, valve body is general all to be assembled into whole structural type for the split multi-disc, because fractal area is prone to seepage, and owing to consider the position of fractal area, make the runner position of hydraulic oil be subjected to certain restriction, the mobile liquid that causes of the interior hydraulic oil of runner is hindered, hydraulic slip is increased.
Summary of the invention
The purpose of this utility model is that a kind of method that adopts integral cast will be provided, the valve body of the overall load sensing proportional control hydraulic multitandem valve of making.
Technical characteristics of the present utility model is: considering on the basis rational in infrastructure, and the load-transducing proportional control hydraulic multichannel valve body that is designed to, described valve body is an integrally-built valve body; The corner of described valve body oil duct I, oil duct II is provided with transition arc.The valve body of described valve body for adopting precision casting to cast.
Valve body is designed to circular-arc in inner oil duct corner, its objective is in order to reduce the resistance of fluid in flowing to design.
The utility model has the advantages that: because that the corner of oil duct is designed to is circular-arc, thereby reduced the liquid resistance, flow loss is reduced, negotiability is strong; Because whole valve body is integrally-built form, thus the defectives such as seepage of avoiding traditional valve body multi-disc assembling to bring; Because rational in infrastructure, compact, reliable performance can be widely used in the hydraulic control system of truck crane and crawler crane, so very big use value is arranged.
Description of drawings
Further describe the utility model below with reference to accompanying drawing:
Accompanying drawing 1 is the plan view of the utility model load-transducing proportional control hydraulic multichannel valve body;
Accompanying drawing 2 is plan views of many bodies of load-transducing proportional control hydraulic pressure valve body;
Accompanying drawing 3 is left views of many bodies of load-transducing proportional control hydraulic pressure valve body;
Accompanying drawing 4 is the sectional views along accompanying drawing 2A-A;
Accompanying drawing 5 is the sectional views along accompanying drawing 2B-B.
Embodiment
With reference to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, the utility model load-transducing proportional control hydraulic multichannel valve body, the material of employing HT300 is cast into an integrally-built valve body blank through precision, makes required valve body through fine finishing again; The corner of described valve body oil duct I1, oil duct II2 is provided with transition arc.
Claims (2)
1. load-transducing proportional control hydraulic multichannel valve body, it is characterized in that: described valve body is an integrally-built valve body; The corner of described valve body oil duct I (1), oil duct II (2) is provided with transition arc.
2. load-transducing proportional control hydraulic multichannel valve body according to claim 1 is characterized in that: the valve body of described valve body for adopting precision casting to cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200332638U CN201021730Y (en) | 2007-01-11 | 2007-01-11 | Load sensing percent control hydraulic pressure multi-channel valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200332638U CN201021730Y (en) | 2007-01-11 | 2007-01-11 | Load sensing percent control hydraulic pressure multi-channel valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201021730Y true CN201021730Y (en) | 2008-02-13 |
Family
ID=39089139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200332638U Expired - Fee Related CN201021730Y (en) | 2007-01-11 | 2007-01-11 | Load sensing percent control hydraulic pressure multi-channel valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201021730Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152077A (en) * | 2011-03-23 | 2011-08-17 | 淮安市胜杰液压机械有限公司 | Micro-cutting technique for superposition type valve plates of hydraulic multiple directional control valve |
| CN102678649A (en) * | 2012-06-07 | 2012-09-19 | 龙工（上海）桥箱有限公司 | Half integral load-sensing multiway valve |
| CN103252457A (en) * | 2013-05-02 | 2013-08-21 | 江苏泰普电力设备有限公司 | 25-tonnage hydraulic multi-way valve casting process |
-
2007
- 2007-01-11 CN CNU2007200332638U patent/CN201021730Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152077A (en) * | 2011-03-23 | 2011-08-17 | 淮安市胜杰液压机械有限公司 | Micro-cutting technique for superposition type valve plates of hydraulic multiple directional control valve |
| CN102678649A (en) * | 2012-06-07 | 2012-09-19 | 龙工（上海）桥箱有限公司 | Half integral load-sensing multiway valve |
| CN102678649B (en) * | 2012-06-07 | 2014-12-24 | 龙工（上海）精工液压有限公司 | Half integral load-sensing multiway valve |
| CN103252457A (en) * | 2013-05-02 | 2013-08-21 | 江苏泰普电力设备有限公司 | 25-tonnage hydraulic multi-way valve casting process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 |