CN102478030A - Hydraulic automatic control reversing valve - Google Patents
Hydraulic automatic control reversing valve Download PDFInfo
- Publication number
- CN102478030A CN102478030A CN2010105569275A CN201010556927A CN102478030A CN 102478030 A CN102478030 A CN 102478030A CN 2010105569275 A CN2010105569275 A CN 2010105569275A CN 201010556927 A CN201010556927 A CN 201010556927A CN 102478030 A CN102478030 A CN 102478030A
- Authority
- CN
- China
- Prior art keywords
- main
- valve plug
- main valve
- piston
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a hydraulic automatic control reversing valve, which comprises a reversing valve. The reversing valve comprises a reversing valve body and a main valve core, wherein the reversing valve body is provided with a hydraulic signal injection port and a piston cavity which is parallel with the shifting direction of the main valve core, and the piston cavity is communicated with the hydraulic signal injection port. The reversing valve also comprises a main valve core hydraulic driving mechanism. In the hydraulic automatic control reversing valve disclosed by the invention, the main valve core is driven to do a linear motion through the hydraulic signal injection port by utilizing the main valve core hydraulic driving mechanism to realize the reversing of the reversing valve. The hydraulic automatic control reversing valve disclosed by the invention is driven by a hydraulic signal without electric energy or other power sources.
Description
Technical field
The present invention relates to a kind of selector valve, particularly a kind of hydraulic pressure is controlled selector valve automatically.
Background technique
Existing selector valve mainly contains manual control selector valve, machinery control selector valve, solenoid controlled directional control valve and electrichydraulic control selector valve.The use occasion of these selector valves all has certain restriction.For poor environment, such as in the dark oil well of several kms, temperature more than 200 degree are transferred Hydraulic power tools at coil pipe of aboveground usefulness.Hydraulic actuating fluid is supplied with Hydraulic power tools through the single passage of this root coil pipe, realize clockwise and reverse, and existing selector valve is difficult to use.
Summary of the invention
Technical problem to be solved by this invention is that providing a kind of to the existing existing problem of selector valve can cooperate the hydraulic pressure of hydraulic machinery or Hydraulic power tools work to control selector valve automatically in poor environment.This hydraulic pressure is controlled selector valve automatically and is driven automatic control mechanism with hydraulic pressure signal, and is used for controlling the switching-over of selector valve.
Technical problem to be solved by this invention can realize through following technological scheme:
Hydraulic pressure is controlled selector valve automatically; Comprise a selector valve; This selector valve comprises a switching-over valve body and main valve plug; On said switching-over valve body, be set side by side with pressure oil inlet opening, some liquid ports and some switching-over mouths, the axial linear movement of said main valve plug comes the different switching-over mouth of opening and closing to commutate, and it is characterized in that; Said switching-over valve body be provided with a hydraulic pressure signal inlet with one with the parallel piston cavity of said main valve plug movement direction, this piston cavity is communicated with the hydraulic pressure signal inlet; This selector valve also comprises a main valve plug hydraulic drive mechanism, and this main valve plug hydraulic drive mechanism comprises:
One fixing frame, an end of this fixing frame is connected with said switching-over valve body, and the end that said main valve plug extends the switching-over valve body passes described fixing frame;
One end inserts in the said piston cavity, the other end extends the external piston-rack bar of selector valve, and wherein to be positioned at selector valve external for the active tooth bar on the piston-rack bar, the axis of said piston-rack bar and the parallel axes of said main valve plug;
Adjusting nut on the said piston-rack bar is installed, is used to finely tune piston-rack bar displacement amount;
Spring mountings on the said piston-rack bar is installed, and this spring mountings is with the same moved further of piston-rack bar;
One end is connected the extension spring that the other end is connected with spring mountings with the switching-over valve body;
Be fixed in said main valve plug and extend the double rack frame on switching-over valve body one end; Said double rack frame drives said main valve plug and carries out axial linear movement, in said double rack frame, be provided with parallel with said main valve plug movement direction on driven tooth bar and driven tooth bar down;
One two ends are located in the main drive shaft on the said fixing frame, and the axis of said main drive shaft is vertical with said main valve plug linear movement direction;
Be installed in the main drive gear on said main drive shaft one end through unilateral bearing, the active tooth bar engagement on this main drive gear and the said piston-rack bar drives the main drive shaft one-way rotation through unilateral bearing;
Be fixed on the partial gear on said main drive shaft one end, said partial gear can and drive said main valve plug through the double rack frame with last driven tooth bar in the said double rack frame or down driven tooth bar engagement and move axially in rotation process.
In order to improve the axially movable stationarity of main valve plug, said fixing frame be provided with one with the parallel slide rail of said main valve plug movement direction, said double rack frame moves axially along said slide rail.
In order to prevent vibrations and to eliminate slight error; To guarantee the accuracy of transmission; Extend on the switching-over valve body part at said main valve plug and to be set side by side with some pits; And a ball positioning means is installed on said fixing frame, the ball in the said ball positioning means falls into different pits, to the location of main valve plug axial position.
Owing to adopted technological scheme as above, the present invention compared with prior art has following advantage:
1, the present invention adopts hydraulic pressure signal to drive, and does not need electric energy or other power source.
2, the pressure oil of hydraulic pressure signal can directly be supplied with by working hydraulic pressure oil, does not need to establish in addition the hydraulic pressure signal oil pipe.
3, each control mechanism driving parts through heat treatment, reaches high tenacity and wear-resisting, long service life.
4, in the more complicated environment, in the oil well like several kms, hydraulic actuating fluid is supplied with Hydraulic power tools through the single passage of coil pipe, and the present invention just can realize the automatic reverse of selector valve, realizes the clockwise and reverse of Hydraulic power tools or the work of double-acting hydraulic cylinder.
5, the present invention also can be used for other career field, as can be used in the reciprocating machinery of needs or other control field.
Description of drawings
Fig. 1 controls the structural representation of selector valve automatically for hydraulic pressure of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 1.
Fig. 4 is the D-D sectional view of Fig. 1.
Fig. 5 is the B-B sectional view of Fig. 2.
Fig. 6 is the C-C sectional view of Fig. 2.
Fig. 7 controls the working principle schematic representation of selector valve automatically for hydraulic pressure of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth mode of execution of the present invention.
Referring to Fig. 1 to Fig. 6; Hydraulic pressure shown in the figure is controlled selector valve automatically; Comprise a two-position four way change valve 100; This two-position four way change valve 100 comprises a two-position four way change valve body 110 and main valve plug 120, in two-position four way change valve body 110, is set side by side with pressure oil inlet opening P, two liquid port T and two commutate a mouthful A, B, and two switching-over mouthful A, B are connected with A, the B chamber of oil hydraulic cylinder.In two-position four way change valve body 110, also be provided with a valve pocket 130; The axis of valve pocket 130 also is communicated with the axis normal of pressure oil inlet opening P, two liquid port T and two commutate a mouthful A, B; Main valve plug 120 is installed in the valve pocket 130 of two-position four way change valve body 110; The valve pocket 130 of two-position four way change valve body 110 is extended at two ends from two mouths of valve pocket 130; A mouth at valve pocket 130 is equipped with platen 150 and seal ring 160 through bolt 140, and platen 150 is pressed on seal ring 160 in the groove of two-position four way change valve body 110 end faces, seals.
In two-position four way change valve body 110, also be provided with hydraulic pressure signal inlet C and piston cavity 170, piston cavity 170 is communicated with hydraulic pressure signal inlet C, and the axis of this piston cavity 170 is parallel with the linear movement direction of main valve plug 120.
This two-position four way change valve 100 also comprises a main valve plug hydraulic drive mechanism 200; This main valve plug hydraulic drive mechanism 200 comprises a fixing frame 210; This fixing frame 210 is fixedly mounted on through bolt 220 on the end of two-position four way change valve body 110, and the end that main valve plug 120 extends the valve pocket 130 of two-position four way change valve body 110 passes this fixing frame 210.
Piston-rack bar 230 1 ends in the main valve plug hydraulic drive mechanism 200 insert in the piston cavity 170, the other end extends outside the two-position four way change valve body 110, and piston-rack bar 230 extends the two-position four way change valve body 110 outer the other ends and is provided with initiatively tooth bar 231.The parallel axes of the axis of piston-rack bar 230 and main valve plug 120.
Be fixed with a spring mountings 250 and adjusting nut 240 on the other end outside piston-rack bar 230 extends two-position four way change valve body 110, the displacement amount of 240 pairs of piston-rack bars 230 of adjusting nut is finely tuned.
Two extension spring 260 1 ends in the main valve plug hydraulic drive mechanism 200 hang on the bolt 220, and the other end hangs on the spring mountings 250.
Double rack frame 270 in the main valve plug hydraulic drive mechanism 200 is fixed on main valve plug 120 through bolt 273 and extends on the end of valve pocket 130 of two-position four way change valve body 110; Double rack frame 270 be provided with profile of tooth identical on driven tooth bar 271 and driven tooth bar 272 down, driven tooth bar 271 is with to descend driven tooth bar 272 parallel with the straight line movement direction of main valve plug 120.
The D profile shaft end of the D profile shaft hole of partial gear 284 and main drive shaft 280 adopts than drive fit; Guarantee main drive shaft 280 and partial gear 284 Synchronous Transmission; Partial gear 284 can and drive main valve plugs 120 through double rack frame 270 with 270 last driven tooth bar 271 in the double rack frame or 272 engagements of down driven tooth bar and move axially in rotation process.
In order to improve main valve plug 120 axially movable stationarities, fixing frame 210 is provided with a slide rail 211 parallel with main valve plug 120 movement directions, and double rack frame 270 moves axially along slide rail 211.Simultaneously in order to prevent vibrations and to eliminate slight error; To guarantee the accuracy of transmission; Extend at main valve plug 120 on the end of valve pocket 130 of two-position four way change valve body 110 and be set side by side with some pits 121, on fixing frame 210, through bolt 212 a ball positioning means 290 is installed, this ball positioning means 290 comprises spring 291 and ball 292; Spring 291 falls into different pit 121 with ball 292, to the location of main valve plug 120 axial positions.
The working principle that hydraulic pressure of the present invention is controlled selector valve automatically is: the hydraulic pressure signal inlet C that at first injects two-position four way change valve body 110 with the pressure oil of hydraulic pressure signal; The resistance that hydraulic drive piston-rack bar 230 overcomes extension spring 260 moves with other resistance; Piston-rack bar 230 through the engagement of active tooth bar 231 and main drive gear 280, makes main drive gear 280 Rotate 180s ° in moving process; Main drive gear 280 drives main drive shaft 280 Rotate 180s ° through unilateral bearing 283 forwards; Main drive shaft 280 drives partial gear 284 Rotate 180s ° synchronously, and through last driven tooth bar 271 engagements in partial gear 284 and the double rack frame 270, drive double rack frame 270 is along slide rail 211 straight line motions; The straight line motion of double rack frame 270 drives main valve plug 120 and carries out axial straight-line displacement; And then the switching-over of realization two-position four way change valve 100, the flow direction of switching-over back hydraulic oil is for the first time: P--" A, B-" T;
When the hydraulic pressure signal release is 0Pa, under the active force of extension spring 260, piston-rack bar 230 is resetted.Because of the effect of unilateral bearing 283, do not drive main drive shaft 280 rotations during main drive gear 282 counter-rotatings.Two-position four way change valve 100 keeps liquid to constant.When 100 switching-overs of needs two-position four way change valve; Inject the hydraulic pressure signal inlet C of two-position four way change valve body 110 again with the pressure oil of hydraulic pressure signal; Transmission in the time of will repeating to commutate for the first time, just the result of transmission for the second time is the displacement of retreating that drives main valve plug 120 realizations through double rack frame 270, for the second time after the switching-over; The flow direction of two-position four way change valve 100 is: P--" B, A-" T.So just realized through the hydraulic driving automatic control mechanism, controlled the selector valve switching-over.
More than show and described basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. hydraulic pressure is controlled selector valve automatically; Comprise a selector valve; This selector valve comprises a switching-over valve body and main valve plug; On said switching-over valve body, be set side by side with pressure oil inlet opening, some liquid ports and some switching-over mouths, the axial linear movement of said main valve plug comes the different switching-over mouth of opening and closing to commutate, and it is characterized in that; Said switching-over valve body be provided with a hydraulic pressure signal inlet with one with the parallel piston cavity of said main valve plug movement direction, this piston cavity is communicated with the hydraulic pressure signal inlet; This selector valve also comprises a main valve plug hydraulic drive mechanism, and this main valve plug hydraulic drive mechanism comprises:
One fixing frame, an end of this fixing frame is connected with said switching-over valve body, and the end that said main valve plug extends the switching-over valve body passes described fixing frame;
One end inserts in the said piston cavity, the other end extends the external piston-rack bar of selector valve, and wherein to be positioned at selector valve external for the active tooth bar on the piston-rack bar, the axis of said piston-rack bar and the parallel axes of said main valve plug;
Adjusting nut on the said piston-rack bar is installed, is used to finely tune piston-rack bar displacement amount;
Spring mountings on the said piston-rack bar is installed, and this spring mountings is with the same moved further of piston-rack bar;
One end is connected the extension spring that the other end is connected with spring mountings with the switching-over valve body;
Be fixed in said main valve plug and extend the double rack frame on switching-over valve body one end; Said double rack frame drives said main valve plug and carries out axial linear movement, in said double rack frame, be provided with parallel with said main valve plug movement direction on driven tooth bar and driven tooth bar down;
One two ends are located in the main drive shaft on the said fixing frame, and the axis of said main drive shaft is vertical with said main valve plug linear movement direction;
Be installed in the main drive gear on said main drive shaft one end through unilateral bearing, the active tooth bar engagement on this main drive gear and the said piston-rack bar drives the main drive shaft one-way rotation through unilateral bearing;
Be fixed on the partial gear on said main drive shaft one end, said partial gear can and drive said main valve plug through the double rack frame with last driven tooth bar in the said double rack frame or down driven tooth bar engagement and move axially in rotation process.
2. hydraulic pressure as claimed in claim 1 is controlled selector valve automatically, it is characterized in that, said fixing frame be provided with one with the parallel slide rail of said main valve plug movement direction, said double rack frame moves axially along said slide rail.
3. hydraulic pressure as claimed in claim 1 is controlled selector valve automatically; It is characterized in that; Extend on the switching-over valve body part at said main valve plug and to be set side by side with some pits; And a ball positioning means is installed on said fixing frame, the ball in the said ball positioning means falls into different pits, to the location of main valve plug axial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010556927.5A CN102478030B (en) | 2010-11-24 | 2010-11-24 | Hydraulic automatic control reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010556927.5A CN102478030B (en) | 2010-11-24 | 2010-11-24 | Hydraulic automatic control reversing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102478030A true CN102478030A (en) | 2012-05-30 |
| CN102478030B CN102478030B (en) | 2014-09-17 |
Family
ID=46090765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010556927.5A Active CN102478030B (en) | 2010-11-24 | 2010-11-24 | Hydraulic automatic control reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102478030B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775410A (en) * | 2014-01-08 | 2014-05-07 | 浙江大学 | Automatic reversing slide valve |
| CN107816561A (en) * | 2016-09-12 | 2018-03-20 | 杭州三花研究院有限公司 | A kind of reversing arrangement |
| CN109210031A (en) * | 2018-09-29 | 2019-01-15 | 宁波诚天液压有限公司 | A kind of electromagnetism hand-operated direction valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880181A (en) * | 1973-05-03 | 1975-04-29 | Finn Feroy | Hydraulic control system |
| DE2746832A1 (en) * | 1976-10-14 | 1978-04-20 | Hawker Siddeley Dynamics Eng | ELECTRO-HYDRAULIC SERVO VALVE |
| CN2155455Y (en) * | 1993-02-17 | 1994-02-09 | 江都县液压件厂 | hydraulic control manual reversing valve |
| EP1500856A1 (en) * | 2003-07-23 | 2005-01-26 | BIFFI ITALIA S.r.L. | Submarine actuator for operating valves |
| CN1763382A (en) * | 2005-10-13 | 2006-04-26 | 何贤能 | Hydraulic and automatic flow control valve |
| CN201065866Y (en) * | 2007-04-09 | 2008-05-28 | 王志 | Device for converting fluid pressure into mechanical rotation movement |
| CN201896805U (en) * | 2010-11-24 | 2011-07-13 | 思达斯易能源技术(集团)有限公司 | Hydraulic automatic control reversing valve |
-
2010
- 2010-11-24 CN CN201010556927.5A patent/CN102478030B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880181A (en) * | 1973-05-03 | 1975-04-29 | Finn Feroy | Hydraulic control system |
| DE2746832A1 (en) * | 1976-10-14 | 1978-04-20 | Hawker Siddeley Dynamics Eng | ELECTRO-HYDRAULIC SERVO VALVE |
| CN2155455Y (en) * | 1993-02-17 | 1994-02-09 | 江都县液压件厂 | hydraulic control manual reversing valve |
| EP1500856A1 (en) * | 2003-07-23 | 2005-01-26 | BIFFI ITALIA S.r.L. | Submarine actuator for operating valves |
| CN1763382A (en) * | 2005-10-13 | 2006-04-26 | 何贤能 | Hydraulic and automatic flow control valve |
| CN201065866Y (en) * | 2007-04-09 | 2008-05-28 | 王志 | Device for converting fluid pressure into mechanical rotation movement |
| CN201896805U (en) * | 2010-11-24 | 2011-07-13 | 思达斯易能源技术(集团)有限公司 | Hydraulic automatic control reversing valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775410A (en) * | 2014-01-08 | 2014-05-07 | 浙江大学 | Automatic reversing slide valve |
| CN107816561A (en) * | 2016-09-12 | 2018-03-20 | 杭州三花研究院有限公司 | A kind of reversing arrangement |
| CN107816561B (en) * | 2016-09-12 | 2020-04-03 | 杭州三花研究院有限公司 | Reversing device |
| CN109210031A (en) * | 2018-09-29 | 2019-01-15 | 宁波诚天液压有限公司 | A kind of electromagnetism hand-operated direction valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102478030B (en) | 2014-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201651418U (en) | Rotary type two-position multichannel reversing valve | |
| CN104344017B (en) | A kind of flat closed type reversal valve | |
| CN106837725B (en) | two-dimensional axial plunger pump | |
| CN102066773B (en) | Electro-hydraulic actuator with pump incorporated into the piston | |
| CN201896805U (en) | Hydraulic automatic control reversing valve | |
| CN202732551U (en) | Electro-hydraulic stepping cylinder | |
| CN102478030A (en) | Hydraulic automatic control reversing valve | |
| CN204043898U (en) | A kind of valve life testing machine | |
| CN102220863A (en) | Valve-controlled automatic confluence hydraulic system for horizontal directional drilling machine | |
| CN102022391B (en) | Digital hydraulic control system selectively controlling multiple operating cylinders | |
| CN214036324U (en) | Hydraulic telescopic rotary oil cylinder | |
| CN102797722B (en) | Hydraulic reversing valve with axially moving and rotating functions | |
| CN101943192B (en) | Two-position six-way speed regulating valve for double-motor driven drill | |
| CN104179750B (en) | A kind of numerical model analysis position control valve | |
| CN203656263U (en) | Electro-hydraulic servo valve provided with movable gear rack | |
| CN102179740B (en) | Automatic pushing and positioning device | |
| CN107559255A (en) | Electric proportional control valve based on electric-control system | |
| KR20110124843A (en) | Electric-hydraulic hybrid actuator | |
| CN202090904U (en) | Automatic valve-controlled confluent hydraulic system of horizontal directional drilling machine | |
| CN102287418B (en) | Hydraulic cylinder control device capable of realizing accurate half-way stoppage | |
| KR20100085880A (en) | Butterfly valve | |
| CN207111565U (en) | Electric proportional control valve for hydraulic machinery | |
| CN201810606U (en) | Double-motor drive drilling machine double-position six-way speed regulating valve | |
| CN203098829U (en) | Electric-hydraulic reversing speed change actuator | |
| CN209340254U (en) | Pivot angle hydraulic cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A hydraulic automatic control directional valve Effective date of registration: 20230927 Granted publication date: 20140917 Pledgee: Agricultural Bank of China Limited Shanghai Songjiang Sub-branch Pledgor: STARSE ENERGY AND TECHNOLOGY (Group) Co.,Ltd. Registration number: Y2023980059572 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |