CN102141055A - Hydraulic-control throttling hydraulic valve and application thereof - Google Patents
Hydraulic-control throttling hydraulic valve and application thereof Download PDFInfo
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- CN102141055A CN102141055A CN2011100449252A CN201110044925A CN102141055A CN 102141055 A CN102141055 A CN 102141055A CN 2011100449252 A CN2011100449252 A CN 2011100449252A CN 201110044925 A CN201110044925 A CN 201110044925A CN 102141055 A CN102141055 A CN 102141055A
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- slide block
- hydraulic
- hydraulic fluid
- fluid ports
- piston chamber
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention relates to a hydraulic-control throttling hydraulic valve which comprises a valve body, a slide valve cavity, a slide valve core and a spring, wherein two oil ports and one liquid control port on the valve body are all provided with pipe joints. The hydraulic-control throttling hydraulic valve is characterized in that a slide block is arranged on the slide valve core, and the outer diameter of the slide block is matched with the slide valve cavity; one end of the slide block is provided with a spring cavity, one end of the spring is arranged in the spring cavity, and the other end abuts against the end wall of the slide valve cavity; the other end of the slide block is provided with a boss with the diameter less than the inner diameter of the slide valve cavity, the top of the boss abuts against an end cap on the end part of the slide valve cavity, a cavity is formed between the boss and the inner wall of the slide valve cavity, and the liquid control port is communicated with the cavity; two oil ports are communicated with the slide valve cavity, and when the slide valve core moves, the main channels between the two oil ports are mutually communicated or blocked by the slide block; and a through smooth throttling channel is also arranged between the two oil ports.
Description
Technical field
The present invention relates to a kind of throttling hydrovalve and application thereof, especially a kind of hydraulic control throttling hydrovalve that the wet type hydraulic pressure multi-disc friction clutch of marine gearbox inside is controlled that is exclusively used in belongs to a kind of parts of controlling wet type hydraulic pressure multi-disc friction clutch operating mode.
Background technique
Clutch is an imperative equipment between marine gearbox and the propeller hub, and in the boats and ships of fixing oar, gear-box need change the moving direction of blade by reversing clutch.
Development along with society, the application percentage of controllable pitch propeller De Jiang Grains in boats and ships increases sharply, and follow it the marine gearbox that clutch (refering in particular to wet type hydraulic pressure multi-disc friction clutch in this patent, together following) contained in inside to occur, the whole boats and ships industry forward tuning for Controllable Pitch Propeller epoch stride forward.Contain in the marine gearbox of clutch in this inside, the operating mode of clutch is controlled by flow rate of lubricating oil, no matter is in which kind of operating mode, all needs lubricant oil to its cooling and lubricating, and its difference only is the demand difference of lubricant oil.In actual use, we find, when needs take off row's (making clutch separation), because it is too much that existing hydrovalve offers the lubricant oil of clutch, tend to cause the interior outside friction disc of clutch not throw off fully, produce the band row phenomenon of often saying in the industry, this operation for tuning for Controllable Pitch Propeller often has a negative impact.
Summary of the invention
The objective of the invention is to: the practical problem at existing hydrovalve can not effectively be controlled according to the lubricant oil oil mass of marine gearbox internal clutch provides a kind of new hydraulic control throttling hydrovalve.
The object of the present invention is achieved like this: a kind of hydraulic control throttling hydrovalve, comprise valve body, piston chamber, sliding spool, spring, two hydraulic fluid ports and a hydraulic control mouth are equipped with pipe joint on the valve body, and it is characterized in that: sliding spool is provided with slide block, slide block external diameter and piston chamber coupling; One end of slide block is provided with spring chamber, and spring one end places described spring chamber, and the other end is butted on the piston chamber end wall; The other end of slide block is the boss of diameter less than the piston chamber internal diameter, and the boss top is butted on the plug of piston chamber end, forms chamber between boss and the piston chamber inwall, and hydraulic control mouth and described chamber are linked up; Two hydraulic fluid ports are all linked up with piston chamber, the slide block in the described sliding spool or block two hydraulic fluid ports, or deviate from two hydraulic fluid ports; Also be provided with unimpeded all the time throttling passage between two hydraulic fluid ports.
In the present invention: the two ends of sliding spool are slide block, and the external diameter of two slide blocks all mates with piston chamber, and the stage casing between the slide block of two ends is the zone of diameter less than the piston chamber internal diameter; Described spring chamber is positioned at an end slide block, and described boss is positioned at the end of the other end slide block; Slide block in the described sliding spool or block two hydraulic fluid ports, or make two hydraulic fluid ports zones between two slide blocks simultaneously.
In the present invention: be provided with the amount of restriction metering needle, the stream oil sectional area 〉=0.8mm of the minimum throttling passage of amount of restriction metering needle restriction in the eventually unimpeded throttling passage between described two hydraulic fluid ports
2
A kind of application of above-mentioned hydraulic control throttling hydrovalve, it is characterized in that: the work loop that two hydraulic fluid ports on the valve body is serially connected in wet type hydraulic pressure multi-disc friction clutch, drive sliding spool by the hydraulic pressure size that changes the hydraulic control mouth, in the sliding spool motion, described slide block makes between two hydraulic fluid ports the main passage communicate with each other or block, and changes the operating mode of wet type hydraulic pressure multi-disc friction clutch; Described throttling passage is always wet type hydraulic pressure multi-disc friction clutch cutting oil is provided.
The invention has the advantages that: owing to be provided with unimpeded all the time throttling passage between the filler opening of hydrovalve and the oil outlet, enter the flow of lubrication of clutch in the time of when slide block is blocked filler opening and oil outlet simultaneously, can taking off row by the throttling passage restriction, under the prerequisite that guarantees the reliable cooling of clutch, avoid occurring band row phenomenon; Because hydraulic pressure by the hydraulic control mouth and the elastic force of spring control sliding spool, by sliding spool control filler opening and oil outlet the main passage, not only compact structure, and control conveniently, reliable operation, highly sensitive.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Among the figure: 1, valve body, 2, sliding spool, 3, spring, 4, piston chamber end plug, 5, the technology plug, 6, throttling passage, 7, piston chamber, 8, the first hydraulic fluid port pipe joint, 9, the second hydraulic fluid port pipe joint, 10, hydraulic control mouth pipe joint.
Embodiment
Accompanying drawing discloses the concrete structure of an embodiment of the present invention without limitation, and the invention will be further described below in conjunction with accompanying drawing.
The present invention includes valve body 1, piston chamber 7, sliding spool 2, spring 3, wherein: sliding spool 2 is provided with slide block, slide block external diameter and piston chamber 7 couplings; One end of slide block is provided with spring chamber, and spring 3 one ends place described spring chamber, and the other end is butted on piston chamber 7 end walls; The other end of slide block is the boss of diameter less than the piston chamber internal diameter, and the boss top is butted on piston chamber end plug 4, forms chamber between boss and piston chamber 7 inwalls, and hydraulic control mouth and described chamber are linked up, and the hydraulic control mouth is equipped with hydraulic control mouth pipe joint 10; Two hydraulic fluid ports be respectively equipped with the first hydraulic fluid port pipe joint 8 and 9, two hydraulic fluid ports of the second hydraulic fluid port pipe joint all with guiding valve, 7 link up, in sliding spool 2 motions, described slide block makes between two hydraulic fluid ports the main passage communicate with each other or block; Also be provided with unimpeded all the time throttling passage 6 between two hydraulic fluid ports.
In the embodiment in figure 1: the two ends of sliding spool 2 are slide block, and the external diameter of two slide blocks all mates with piston chamber 7, and the stage casing between the slide block of two ends is the zone of diameter less than piston chamber 7 internal diameters; Described spring chamber is positioned at an end slide block, and described boss is positioned at the end of the other end slide block; In sliding spool 2 motion, described slide block or two hydraulic fluid port main passages are blocked simultaneously, or make their zones between two slide blocks of sliding spool simultaneously, this moment communicates with each other in two hydraulic fluid port main passages.
During concrete enforcement,, just can change the flow of throttling passage 6 as long as change any one the technology plug among Fig. 1 into the amount of restriction metering needle, still, the stream oil sectional area 〉=0.8mm of the minimum throttling passage of amount of restriction metering needle restriction
2Like this,, can not block throttling passage 6, guarantee that lubricant oil still can enter clutch by throttling passage 6, can reliably cool off lubricant oil to clutch even the amount of restriction metering needle is adjusted to minimum discharge.
In actual the use,, break the original balance with spring 3 elastic force, just can make sliding spool 2 displacements, and be located in new equinoctial point as long as regulate the hydraulic pressure that enters the hydraulic control mouth.When the slide block of sliding spool 2 is not in two hydraulic fluid ports, communicate with each other in the main passage between two hydraulic fluid ports, the flow of lubrication maximum that enter clutch this moment, and the interior outside friction disc of clutch is combined closely, and clutch is in conjunction with operating mode; When the slide block of sliding spool 2 is in two hydraulic fluid ports, two hydraulic fluid ports all are blocked, main passage between two hydraulic fluid ports is blocked, the lubricant oil that enters clutch can only pass through throttling passage 6, the flow of lubrication minimum that enter clutch this moment, the interior outside friction disc of clutch is separated, and clutch is in and takes off row's operating mode.
Claims (4)
1. a hydraulic control throttling hydrovalve comprises valve body, piston chamber, sliding spool, spring, and two hydraulic fluid ports and a hydraulic control mouth are equipped with pipe joint on the valve body, and it is characterized in that: sliding spool is provided with slide block, slide block external diameter and piston chamber coupling; One end of slide block is provided with spring chamber, and spring one end places described spring chamber, and the other end is butted on the piston chamber end wall; The other end of slide block is the boss of diameter less than the piston chamber internal diameter, and the boss top is butted on the plug of piston chamber end, forms chamber between boss and the piston chamber inwall, and hydraulic control mouth and described chamber are linked up; Two hydraulic fluid ports are all linked up with piston chamber, the slide block in the described sliding spool or block two hydraulic fluid ports, or deviate from two hydraulic fluid ports; Also be provided with unimpeded all the time throttling passage between two hydraulic fluid ports.
2. hydraulic control throttling hydrovalve according to claim 1, it is characterized in that: the two ends of sliding spool are slide block, and the external diameter of two slide blocks all mates with piston chamber, and the stage casing between the slide block of two ends is the zone of diameter less than the piston chamber internal diameter; Described spring chamber is positioned at an end slide block, and described boss is positioned at the end of the other end slide block; Slide block in the described sliding spool or block two hydraulic fluid ports, or make two hydraulic fluid ports zones between two slide blocks simultaneously.
3. hydraulic control throttling hydrovalve according to claim 1 and 2 is characterized in that: be provided with the amount of restriction metering needle, the stream oil sectional area 〉=0.8mm of the minimum throttling passage of amount of restriction metering needle restriction in the eventually unimpeded throttling passage between described two hydraulic fluid ports
2
4. according to the application of the described hydraulic control throttling of claim 1 hydrovalve, it is characterized in that: the work loop that two hydraulic fluid ports of valve body is serially connected in wet type hydraulic pressure multi-disc friction clutch, drive sliding spool by the hydraulic pressure size that changes the hydraulic control mouth, in the sliding spool motion, described slide block makes between two hydraulic fluid ports the main passage communicate with each other or block, and changes the operating mode of wet type hydraulic pressure multi-disc friction clutch; Described throttling passage is always wet type hydraulic pressure multi-disc friction clutch cutting oil is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100449252A CN102141055B (en) | 2011-02-25 | 2011-02-25 | Hydraulic-control throttling hydraulic valve and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100449252A CN102141055B (en) | 2011-02-25 | 2011-02-25 | Hydraulic-control throttling hydraulic valve and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102141055A true CN102141055A (en) | 2011-08-03 |
| CN102141055B CN102141055B (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100449252A Active CN102141055B (en) | 2011-02-25 | 2011-02-25 | Hydraulic-control throttling hydraulic valve and application thereof |
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| CN (1) | CN102141055B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029565A (en) * | 2021-12-07 | 2022-02-11 | 宁波鄞州鑫天机械制造有限公司 | Portable screw tap anti-breaking electric tapping machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2837192A (en) * | 1954-04-26 | 1958-06-03 | Twin Disc Clutch Co | Oil pressure actuated clutch |
| GB2071816A (en) * | 1980-02-12 | 1981-09-23 | Fiat Ricerche | Flow regulator for hydraulic circuits |
| JPH08504432A (en) * | 1992-12-11 | 1996-05-14 | スミスクライン・ビーチャム・パブリック・リミテッド・カンパニー | Potassium channel activator useful in therapy |
| JP2504432B2 (en) * | 1986-12-19 | 1996-06-05 | 日産自動車株式会社 | Flow control solenoid valve |
| CN2519869Y (en) * | 2001-12-02 | 2002-11-06 | 应汉文 | Hand controlled one-way throttle valve |
| US20060266887A1 (en) * | 2005-05-24 | 2006-11-30 | Eaton Corporation | Fluid flow regulator with overpressure relief function |
| CN201407301Y (en) * | 2009-05-07 | 2010-02-17 | 中国船舶重工集团公司第七一一研究所 | Speed regulation clutch oil supply system with adjustable flow control valve |
| CN202023862U (en) * | 2011-02-25 | 2011-11-02 | 南京高精船用设备有限公司 | Liquid control throttling hydraulic valve |
-
2011
- 2011-02-25 CN CN2011100449252A patent/CN102141055B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2837192A (en) * | 1954-04-26 | 1958-06-03 | Twin Disc Clutch Co | Oil pressure actuated clutch |
| GB2071816A (en) * | 1980-02-12 | 1981-09-23 | Fiat Ricerche | Flow regulator for hydraulic circuits |
| JP2504432B2 (en) * | 1986-12-19 | 1996-06-05 | 日産自動車株式会社 | Flow control solenoid valve |
| JPH08504432A (en) * | 1992-12-11 | 1996-05-14 | スミスクライン・ビーチャム・パブリック・リミテッド・カンパニー | Potassium channel activator useful in therapy |
| CN2519869Y (en) * | 2001-12-02 | 2002-11-06 | 应汉文 | Hand controlled one-way throttle valve |
| US20060266887A1 (en) * | 2005-05-24 | 2006-11-30 | Eaton Corporation | Fluid flow regulator with overpressure relief function |
| CN201407301Y (en) * | 2009-05-07 | 2010-02-17 | 中国船舶重工集团公司第七一一研究所 | Speed regulation clutch oil supply system with adjustable flow control valve |
| CN202023862U (en) * | 2011-02-25 | 2011-11-02 | 南京高精船用设备有限公司 | Liquid control throttling hydraulic valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029565A (en) * | 2021-12-07 | 2022-02-11 | 宁波鄞州鑫天机械制造有限公司 | Portable screw tap anti-breaking electric tapping machine |
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| Publication number | Publication date |
|---|---|
| CN102141055B (en) | 2013-12-04 |
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