CN102562904A - Main-control hydraulic rotary damper - Google Patents
Main-control hydraulic rotary damper Download PDFInfo
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- CN102562904A CN102562904A CN2012100174201A CN201210017420A CN102562904A CN 102562904 A CN102562904 A CN 102562904A CN 2012100174201 A CN2012100174201 A CN 2012100174201A CN 201210017420 A CN201210017420 A CN 201210017420A CN 102562904 A CN102562904 A CN 102562904A
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Abstract
The invention discloses a main-control hydraulic rotary damper. The main-control hydraulic rotary damper comprises a hydraulic motor or a hydraulic pump, wherein one end of the hydraulic motor or the hydraulic pump is provided with a rotary output shaft, and the other end of the hydraulic motor or the hydraulic pump is provided with a first flow through hole and a second flow through hole; the hydraulic motor or the hydraulic pump is also provided with a reverse valve which changes the through-flow area of one or more oil ports by means of movement of a valve core; the reverse valve comprises a valve body and the valve core; the valve body is provided with a valve hole, and is also provided with a first oil through hole and a second oil through hole; the first flow through hole and second flow through hole on the hydraulic motor or the hydraulic pump are respectively communicated with the first oil through hole and second oil through hole on the valve body of the reverse valve; and the valve body of the reverse valve is also provided with a damping hole, and the first oil through hole is communicated with the second oil through hole by virtue of the damping hole. The main-control hydraulic rotary damper has the advantage that the damping torque in the rotary working process can be controlled in an active and time-sharing manner.
Description
Technical field
The present invention relates to a kind of damper, be specifically related to a kind of master control hydraulic rotating damper.
Background technique
At present, hydraulic damper applies to pipeline, vehicle, bridge, building and other fields widely, improves constantly along with what antidetonation and damping were required, and the market demand of hydraulic damper is also constantly increased thereupon.Common hydraulic damper is the straight line type hydraulic damper; Its working principle is: left assembly department and right assembly department are two mounting points of hydraulic damper, and they are installed on two has on the object or building structure that linear relative movement maybe possibly produce linear relative movement, when left assembly department is fixed; When right assembly department produces relative movement; The fluid in hydraulic damper left side active chamber, right active chamber two chambeies is realized flowing each other through the damping hole that is installed on the piston, on the one hand, because the aperture of damping hole is generally smaller; Can't realize the through-flow of big flow; Limit the relative movement of the left and right assembly department of hydraulic damper, produced certain damping force, realized the effect of antidetonation and damping; On the other hand, during the relative movement of hydraulic damper left side assembly department and right assembly department, the damping force that damper produces reaches the purpose of power consumption.Because the difference of hydraulic damper application; Can a lot of different performance and functional requirements be proposed to product, therefore, must be to the different application of hydraulic damper; Develop the hydraulic damper that can satisfy demands of different; Between two objects that have relative rotary motion,, must design a kind of damper in addition if produce damping function.
Summary of the invention
The objective of the invention is: the master control hydraulic rotating damper of timesharing control initiatively of the damping torque in a kind of rotary work process is provided.
In order to achieve the above object, technological scheme of the present invention is: a kind of master control hydraulic rotating damper, comprise oil hydraulic motor or oil hydraulic pump, and an end of oil hydraulic motor or oil hydraulic pump has rotating output shaft,
The other end of a, said oil hydraulic motor or oil hydraulic pump has the first-class through hole and second opening;
The selector valve of the one or more hydraulic fluid port flow areas of mobile change that rely on spool also is housed on b, said oil hydraulic motor or the oil hydraulic pump, and said selector valve comprises valve body and spool, has valve opening on the valve body, also has first oil through and second oil through on the valve body;
The first-class through hole of c, said oil hydraulic motor or oil hydraulic pump and second opening respectively with the valve body of selector valve on first oil through and second oil through be communicated with
Also have damping hole on the valve body of d, said selector valve, first oil through is communicated with second oil through through damping hole.
Said selector valve also comprises Returnning spring, blind nut and electromagnet; Said electromagnet is fixedly connected with valve body one end; Said spool is positioned at valve opening, and is slidingly matched with valve opening through solenoid actuated, and said spool is provided with circulation groove; Blind nut is threaded with the other end of valve body; One end and the blind nut of said Returnning spring offset, and an end of the other end and spool offsets, and the mobile position difference of circulation groove in valve opening through spool between first oil through and second oil through connects or disconnects.
Said valve opening has the first radial ringed groove and the second radial ringed groove, and first oil through and second oil through communicate with the corresponding first radial ringed groove and the second radial ringed groove respectively.
Said electromagnet has push rod; The also promptly contiguous push rod end of the other end of spool has first positioning hole, and the front end of push rod has flat part, and this flat part stretches in first positioning hole of spool and with spool and offsets; The also promptly contiguous Returnning spring end of one end of spool has second positioning hole; The other end of said Returnning spring stretches in second positioning hole, and said spool has spool bore, and first positioning hole communicates with second positioning hole through spool bore.
The good effect that the present invention had is: because after adopting structure of the present invention; The selector valve of the one or more hydraulic fluid port flow areas of mobile change that rely on spool also is housed on oil hydraulic motor or the oil hydraulic pump; Said selector valve has first oil through and second oil through; And the first-class through hole of said oil hydraulic motor or oil hydraulic pump and second opening be communicated with first oil through and second oil through of selector valve respectively, so the present invention adopts the circulation area that valve can the human intervention oil circuit, thereby intervened damping function time and damping function process; Realize initiatively real-time continuous control of damping torque, change the work characteristics of the passive effect of hydraulic damper damping commonly used.
Description of drawings
Fig. 1 is the structure sectional view of the present invention when selector valve cuts out;
Fig. 2 is the structure sectional view when selector valve is connected among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and the embodiment that provides the present invention is done further detailed description.
Like Fig. 1, shown in 2; A kind of master control hydraulic rotating damper; Comprise oil hydraulic motor or oil hydraulic pump 1, an end of oil hydraulic motor or oil hydraulic pump 1 has rotating output shaft 1-1, and the other end of said oil hydraulic motor or oil hydraulic pump 1 has the first-class through hole 1-2 and the second opening 1-3; The selector valve 10 of the one or more hydraulic fluid port flow areas of mobile change that rely on spool also is housed on said oil hydraulic motor or the oil hydraulic pump 1; Said selector valve 10 comprises valve body 10-1 and spool 10-2; Have valve opening 10-1-1 on the valve body 10-1, also have the first oil through 10-4 and the second oil through 10-3 on the valve body 10-1; The first-class through hole 1-2 of said oil hydraulic motor or oil hydraulic pump 1 and the second opening 1-3 respectively with the valve body 10-1 of selector valve 10 on the first oil through 10-4 and the second oil through 10-3 be communicated with; Also having damping hole 12, the first oil through 10-4 on the valve body 10-1 of said selector valve 10 is communicated with the second oil through 10-3 through damping hole 12.
Referring to Fig. 1, shown in 2; For can initiatively real-time continuous control damping force; Said selector valve 10 also comprises Returnning spring 10-5, blind nut 10-6 and electromagnet 10-7, and said electromagnet 10-7 is fixedly connected with valve body 10-1 one end, and said spool 10-2 is positioned at valve opening 10-1-1; And drive and be slidingly matched with valve opening 10-1-1 through electromagnet 10-7; Said spool 10-2 is provided with circulation groove 10-2-4, and blind nut 10-6 is threaded with the other end of valve body 10-1, and an end and the blind nut 10-6 of said Returnning spring 10-5 offset; The end of the other end and spool 10-2 offsets, and the mobile position difference of circulation groove 10-2-4 in valve opening 10-1-1 through spool 10-2 between the first oil through 10-4 and the second oil through 10-3 connects or disconnects.
Referring to Fig. 1, shown in 2; In order to increase the amount of flow of hydraulic oil; Reduce the displacement distance of spool 10-2; Said valve opening 10-1-1 has the first radial ringed groove 10-1-11 and the second radial ringed groove 10-1-12, and the first oil through 10-4 and the second oil through 10-3 communicate with the corresponding first radial ringed groove 10-1-11 and the second radial ringed groove 10-1-12 respectively.
Referring to Fig. 1, shown in 2; For electromagnet 10-7 and Returnning spring 10-5 are better located, after fluid flows to valve opening 10-1-1, the pressure in the valve opening 10-1-1 is equated; Said electromagnet 10-7 has push rod 10-7-1; The also promptly contiguous push rod end of the other end of spool 10-2 has the first positioning hole 10-2-1, and the front end of push rod 10-7-1 has flat part 10-7-11, and this flat part 10-7-11 stretches in the first positioning hole 10-2-1 of spool 10-2 and with spool 10-2 and offsets; The also promptly contiguous Returnning spring end of the end of spool 10-2 has the second positioning hole 10-2-2; The other end of said Returnning spring 10-5 stretches in the second positioning hole 10-2-2, and said spool 10-2 has spool bore 10-2-3, and the first positioning hole 10-2-1 communicates with the second positioning hole 10-2-2 through spool bore 10-2-3.
Like Fig. 1, shown in 2; When the embodiment of the invention is used, on the selector valve 10 mounting flange can be installed, and be fixedly connected with oil hydraulic motor 1 through mounting flange; The output shaft 1-1 of oil hydraulic motor 1 can be connected with the rotatable parts of working body; If working body rotatable parts produce relative rotation, the output shaft 1-1 of the movement means oil hydraulic motor 1 of working body rotates together, the first-class through hole 1-2 of oil hydraulic motor 1 and the second opening 1-3 produce flowing of fluid.Referring to shown in Figure 1, if the electromagnet 10-7 no electric circuit of selector valve 10, under the effect of the precompression of Returnning spring 10-5; Spool 10-2 is pushed to the right side of valve opening 10-1-1; At this moment, first oil through 10-4 of selector valve 10 and the asphalt channel between the second oil through 10-3 are by the cut-out of spool 10-2, and the first oil through 10-4 and the second oil through 10-3 can only communicate with each other through damping hole 12; Be that fluid is after the first-class through hole 1-2 outflow of oil hydraulic motor 1; The first oil through 10-4, damping hole 12, the second oil through 10-3 through selector valve 10 flow into the second opening 1-3, and at this moment, flow through damping hole 12 of fluid produces certain damping force; The output shaft 1-1 of oil hydraulic motor 1 produces certain damping running torque, forms damping working state of the present invention; Referring to shown in Figure 2, during the electromagnet 10-7 of selector valve 10 energising, the electromagnetic force that electromagnet 10-7 produces acts on spool 10-2 right-hand member through push rod 10-7-1; And overcome the precompression of Returnning spring 10-5; Be pushed into the left side of valve opening 10-1-1 to spool 10-2, at this moment, first oil through 10-4 of selector valve 10 and the oil circuit of the oil circuit between the second oil through 10-3 and the first-class through hole 1-2 and the second opening 1-3 are communicated with each other fully; Be that fluid is after the first-class through hole 1-2 outflow of oil hydraulic motor 1; The first oil through 10-4, the second oil through 10-3 through selector valve 10 flow into the second opening 1-3, and fluid can can't produce damping forces in selector valve 10 inside in selector valve 10 inner generation free-flows; Also can't on the output shaft 1-1 of oil hydraulic motor 1, produce the damping running torque, form free servo-actuated working state of the present invention.
Claims (5)
1. a master control hydraulic rotating damper comprises oil hydraulic motor or oil hydraulic pump (1), and an end of oil hydraulic motor or oil hydraulic pump (1) has rotating output shaft (1-1), it is characterized in that:
The other end of a, said oil hydraulic motor or oil hydraulic pump (1) has first-class through hole (1-2) and second opening (1-3);
The selector valve (10) of the one or more hydraulic fluid port flow areas of mobile change that rely on spool also is housed on b, said oil hydraulic motor or the oil hydraulic pump (1); Said selector valve (10) comprises valve body (10-1) and spool (10-2); Have valve opening (10-1-1) on the valve body (10-1), also have first oil through (10-4) and second oil through (10-3) on the valve body (10-1);
The first-class through hole (1-2) of c, said oil hydraulic motor or oil hydraulic pump (1) and second opening (1-3) respectively with the valve body (10-1) of selector valve (10) on first oil through (10-4) and second oil through (10-3) be communicated with;
Also have damping hole (12) on the valve body (10-1) of d, said selector valve (10), first oil through (10-4) is communicated with second oil through (10-3) through damping hole (12).
2. master control hydraulic rotating damper according to claim 1; It is characterized in that: said selector valve (10) also comprises Returnning spring (10-5), blind nut (10-6) and electromagnet (10-7); Said electromagnet (10-7) is fixedly connected with valve body (10-1) end; Said spool (10-2) is positioned at valve opening (10-1-1); And drive and be slidingly matched with valve opening (10-1-1) through electromagnet (10-7); Said spool (10-2) is provided with circulation groove (10-2-4), and blind nut (10-6) is threaded with the other end of valve body (10-1), and an end of said Returnning spring (10-5) and blind nut (10-6) offset; One end of the other end and spool (10-2) offsets, and the mobile position difference of circulation groove (10-2-4) in valve opening (10-1-1) through spool (10-2) between first oil through (10-4) and second oil through (10-3) connects or disconnects.
3. master control hydraulic rotating damper according to claim 2; It is characterized in that: said valve opening (10-1-1) has the first radial ringed groove (10-1-11) and the second radial ringed groove (10-1-12), and first oil through (10-4) and second oil through (10-3) communicate with the corresponding first radial ringed groove (10-1-11) and the second radial ringed groove (10-1-12) respectively.
4. master control hydraulic rotating damper according to claim 2; It is characterized in that: said electromagnet (10-7) has push rod (10-7-1); The also promptly contiguous push rod end of the other end of spool (10-2) has first positioning hole (10-2-1); The front end of push rod (10-7-1) has flat part (10-7-11); This flat part (10-7-11) stretches in first positioning hole (10-2-1) of spool (10-2) and with spool (10-2) and offsets, and the also promptly contiguous Returnning spring end of an end of spool (10-2) has second positioning hole (10-2-2), and the other end of said Returnning spring (10-5) stretches in second positioning hole (10-2-2); Said spool (10-2) has spool bore (10-2-3), and first positioning hole (10-2-1) communicates with second positioning hole (10-2-2) through spool bore (10-2-3).
5.2) communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210017420.1A CN102562904B (en) | 2012-01-20 | 2012-01-20 | Main-control hydraulic rotary damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210017420.1A CN102562904B (en) | 2012-01-20 | 2012-01-20 | Main-control hydraulic rotary damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562904A true CN102562904A (en) | 2012-07-11 |
| CN102562904B CN102562904B (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210017420.1A Expired - Fee Related CN102562904B (en) | 2012-01-20 | 2012-01-20 | Main-control hydraulic rotary damper |
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| Country | Link |
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| CN (1) | CN102562904B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996697A (en) * | 2012-12-10 | 2013-03-27 | 河海大学常州校区 | Hydraulic rotary damper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834203A (en) * | 1981-08-24 | 1983-02-28 | Nippon Air Brake Co Ltd | Impact preventive device |
| GB2145798A (en) * | 1983-09-01 | 1985-04-03 | Fichtel & Sachs Ag | Volume compensation in hydraulic rotary-vane dampers |
| CN2146595Y (en) * | 1992-07-15 | 1993-11-17 | 孟繁臣 | Low-noise overflow valve |
| CN1166870A (en) * | 1994-10-18 | 1997-12-03 | 株式会社小松制作所 | Counter-balance valve |
| CN1311398A (en) * | 2000-03-03 | 2001-09-05 | 速睦喜股份有限公司 | Rotation apparatus with buffer mechanism |
| CN201896905U (en) * | 2010-12-15 | 2011-07-13 | 青岛四方车辆研究所有限公司 | High-speed switch valve for vehicle suspension system |
-
2012
- 2012-01-20 CN CN201210017420.1A patent/CN102562904B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834203A (en) * | 1981-08-24 | 1983-02-28 | Nippon Air Brake Co Ltd | Impact preventive device |
| GB2145798A (en) * | 1983-09-01 | 1985-04-03 | Fichtel & Sachs Ag | Volume compensation in hydraulic rotary-vane dampers |
| CN2146595Y (en) * | 1992-07-15 | 1993-11-17 | 孟繁臣 | Low-noise overflow valve |
| CN1166870A (en) * | 1994-10-18 | 1997-12-03 | 株式会社小松制作所 | Counter-balance valve |
| CN1311398A (en) * | 2000-03-03 | 2001-09-05 | 速睦喜股份有限公司 | Rotation apparatus with buffer mechanism |
| CN201896905U (en) * | 2010-12-15 | 2011-07-13 | 青岛四方车辆研究所有限公司 | High-speed switch valve for vehicle suspension system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996697A (en) * | 2012-12-10 | 2013-03-27 | 河海大学常州校区 | Hydraulic rotary damper |
| CN102996697B (en) * | 2012-12-10 | 2014-08-27 | 河海大学常州校区 | Hydraulic rotary damper |
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| Publication number | Publication date |
|---|---|
| CN102562904B (en) | 2014-04-16 |
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Granted publication date: 20140416 Termination date: 20170120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |