CN103291767A - Cylindrical annular slit throttling ratio adjustable throttler - Google Patents
Cylindrical annular slit throttling ratio adjustable throttler Download PDFInfo
- Publication number
- CN103291767A CN103291767A CN2013101904494A CN201310190449A CN103291767A CN 103291767 A CN103291767 A CN 103291767A CN 2013101904494 A CN2013101904494 A CN 2013101904494A CN 201310190449 A CN201310190449 A CN 201310190449A CN 103291767 A CN103291767 A CN 103291767A
- Authority
- CN
- China
- Prior art keywords
- flow controller
- installation sleeve
- throttler
- rear end
- end cavity
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0126—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs
- G05D7/0133—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs within the flow-path
- G05D7/014—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs within the flow-path using sliding elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Flow Control (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a cylindrical annular slit throttling ratio adjustable throttler which comprises a throttler installation body, a throttler installation sleeve and a throttler body, wherein the throttler installation sleeve is arranged in the throttler installation body; the throttler body is arranged in the throttler installation sleeve; a gap positioned between the cylindrical rear end part of the throttler body and the columnar rear end cavity body of the throttler installation sleeve forms a throttler working area; the front end part of the throttler body is provided with a through hole communicated with the throttler working area; a spring is arranged between the front end part of the throttler body and the second hole shoulder of the throttler installation sleeve; the position of the rear end part of the throttler body, which is positioned on the second rear end cavity body of the throttler installation sleeve, can be adjusted by adjusting a pressure head so that the throttling ratio is adjusted. The integral static pressure support system can use the throttler with single size form and meets the requirements on the characteristics of excellent property, compact structure, convenience in disassembly and assembly, difficulty in blockage, and the like.
Description
Technical field
The present invention relates to the flow controller that liquid static-pressure support is used, adjustable choke is compared in especially a kind of cylinder annulus throttling for the ultra-precision machine tool liquid static-pressure support.
Background technique
Liquid static-pressure support has that surface friction drag is little, long service life, precision advantages of higher, thereby has a wide range of applications in ultra-precision machine tool or functional part.
Flow controller is element indispensable in the constant pressure oil supply THE HYDROSTATIC SUPPORTING SYSTEM, and it plays the function of automatic adjusting oil pocket pressure, makes constant pressure oil supply hydrostatic support system have corresponding oil film bearing capacity and oil film rigidity.Traditional fixed restriction device commonly used has orifice restriction device and capillary restrictor, and the orifice restriction device is easy for installation but easily stop up, and the capillary restrictor size is bigger, and is very sensitive to temperature, also easily stops up.
People such as Zhao of Xi'an Communications University ten thousand China and Chen Yaolong have designed a kind of annular slit restrictor, Chinese patent (application) CN201010102089.4, slit between rearward end by the flow controller body and the rear end cavity of flow controller fixing body is the working area that semidiameter has constituted flow controller, and this flow controller has solved blockage problem to a certain extent.This flow controller is installed to the size of just having fixed the throttling ratio after the flow controller fixing body, under the constant situation of charge oil pressure as want that the pressure that changes oil pocket only closes oil supply system, and need change the flow controller of different size again, and the selection of size is also comparatively loaded down with trivial details, has increased the difficulty of liquid static-pressure support debugging.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of size form is fixed, throttling is than the flow controller that can adjust on a large scale, and whole hydrostatic support system can use the flow controller of single size form, and satisfies function admirable, compact structure, easy accessibility, is difficult for characteristics such as obstruction.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the annulus throttling of a kind of cylinder is than adjustable choke, comprises the flow controller fixing body and is arranged on the flow controller installation sleeve in the flow controller fixing body and is arranged on flow controller body in the flow controller installation sleeve, be characterized in
Said flow controller fixing body is made up of the first front end cavity, first hole shoulder and the first rear end cavity of ladder-type,
The flow controller installation sleeve is made up of the second front end cavity, unthreaded hole, second hole shoulder and the second rear end cavity, and the second front end cavity has internal thread,
The flow controller body is made up of front end and columniform rearward end,
The second front end cavity of flow controller installation sleeve and first hole of flow controller fixing body shoulder axially locating, the rearward end of flow controller body is arranged in the second rear end cavity of flow controller installation sleeve, the diameter of the cylindrical rearward end of flow controller body is less than the diameter of the second rear end cavity of the column of flow controller installation sleeve, slit between the second rear end cavity of the rearward end of flow controller body and flow controller installation sleeve has constituted the working area of flow controller, and offers the through hole that is connected with this working area on the front end of flow controller body.
Preferably, adopt technique scheme, be provided with " O " RunddichtringO of radial seal effect between the second rear end cavity of flow controller installation sleeve of the present invention and the first rear end cavity of flow controller fixing body.
Preferably, the front end of flow controller body also is provided with second pressure head to the effect of flow controller main body axially locating outward.
Preferably, be provided with spring between the shoulder of second hole of the front end of flow controller body and flow controller installation sleeve, can adjust the position of rearward end in the second rear end cavity of flow controller installation sleeve that second pressure head is adjusted the flow controller body.
Preferably, the second front end cavity of said flow controller installation sleeve also is provided with first pressure head that the flow controller installation sleeve is played the axially locating effect outward.
Preferably, the diameter of through hole is less than the inscribed circle diameter of the interior hexagonal of second pressure head in the front end of flow controller body.
Preferably, the front end cavity of flow controller installation sleeve also is provided with the pressure head that the flow controller installation sleeve is played the axially locating effect outward, also offers internal thread in the through hole of the front end of flow controller body.
Preferably, the rearward end end face of flow controller body is no more than the end face of the flow controller installation sleeve second rear end cavity.
Preferably, the diameter of the first front end cavity of said flow controller fixing body is greater than the diameter of the first rear end cavity; The diameter of the second front end cavity of flow controller installation sleeve is greater than the diameter of unthreaded hole, and the diameter of unthreaded hole is greater than the diameter of the second rear end cavity; The diameter of the front end of composition flow controller body is greater than the maximum diameter of rearward end.
Cylinder of the present invention annulus throttling utilizes spring to regulate chock length than adjustable choke, the cylinder annular slit restrictor of same size form can satisfy the demand of whole hydrostatic support system, satisfy compact structure, regulate requirement simple, easy accessibility, solved the problem that not stop to change the different size flow controller in the existing hydrostatic support system debug process.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is structural representation of the present invention.
Wherein: first pressure head, 1, the second pressure head 2, " O " RunddichtringO 7, through hole 8,
Flow controller fixing body 3, the first front end cavity 3-1, first hole shoulder 3-2, the first rear end cavity (3-3),
Flow controller installation sleeve 4, the second front end cavity 4-1, unthreaded hole 4-2, second hole shoulder 4-3, the second rear end cavity 4-4;
Embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiments are not limited to limit the scope of the invention for explanation the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Referring to Fig. 1, the present invention includes flow controller fixing body 3 and be arranged on flow controller installation sleeve 4 in the flow controller fixing body 3, with the flow controller body 5 that is arranged in the flow controller installation sleeve 4, it is characterized in that: said flow controller fixing body 3 is by the first front end cavity 3-1 of ladder-type, first hole shoulder 3-2 and the first rear end cavity 3-3 form, flow controller installation sleeve 4 is by the second front end cavity 4-1 of internal thread, unthreaded hole 4-2, second hole shoulder 4-3 and the second rear end cavity 4-4 form, flow controller body 5 is made up of front end 5-1 and columniform rearward end 5-2, the second front end cavity 4-1 of flow controller installation sleeve 4 and first hole of flow controller fixing body 3 shoulder 3-2 axially locating, the rearward end 5-2 of flow controller body 5 is arranged in the second rear end cavity 4-4 of flow controller installation sleeve 4, the diameter of the rearward end 5-2 of flow controller body 5 is less than the diameter of the second rear end cavity 4-4 of flow controller installation sleeve 4, column slit between the column second rear end cavity 4-4 of the cylindrical rearward end 5-2 of flow controller body 5 and flow controller installation sleeve 4 has constituted the working area of flow controller, and offer the through hole 8 that is connected with this working area on the front end 5-1 of flow controller body 5, the diameter of through hole 8 is less than the inscribed circle diameter of the interior hexagonal of pressure head 2.By regulating the length that pressure head 2 can Regulation spring, and then change the position of rearward end 5-2 in the second rear end cavity 4-4 of flow controller installation sleeve 4 of flow controller body 5, change chock length lc with this, thereby adjust the throttling ratio.
Be used for packing into and taking out of flow controller, the present invention also offers internal thread in the through hole 8 of the front end 5-1 of flow controller body 5, during use long spiro nail is screwed into the dismounting that just can realize this flow controller in this internal thread.
Pressure oil enters by the hole in first pressure head 1 of left end, through the through hole of offering on second pressure head 2 and the flow controller body 58, arrives the place, working area pressure oil is carried out throttling, and the pressure oil after the last throttling enters the oil pocket of right-hand member.
The flow controller that maximum characteristics of the present invention are single sizes can satisfy the requirement of whole hydrostatic support system, and its throttling need not changed the flow controller of different size than fine-tuning in debug process.
More than show and described basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; the present invention is not subjected to the restriction of above-mentioned example; that describes in above-mentioned example and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (9)
1. adjustable choke is compared in a cylinder annulus throttling, comprise flow controller fixing body (3) and be arranged on the interior flow controller installation sleeve (4) of flow controller fixing body (3), flow controller body (5) with being arranged in the flow controller installation sleeve (4) is characterized in that:
Said flow controller fixing body (3) is made up of the first front end cavity (3-1), first hole shoulder (3-2) and the first rear end cavity (3-3) of ladder-type,
Flow controller installation sleeve (4) is made up of the second front end cavity (4-1), unthreaded hole (4-2), second hole shoulder (4-3) and the second rear end cavity (4-4), and the second front end cavity (4-1) has internal thread,
Flow controller body (5) is made up of front end (5-1) and columniform rearward end (5-2),
The second front end cavity (4-1) of flow controller installation sleeve (4) and first hole of flow controller fixing body (3) shoulder (3-2) axially locating, the rearward end (5-2) of flow controller body (5) is arranged in the second rear end cavity (4-4) of flow controller installation sleeve (4), the diameter of the cylindrical rearward end (5-2) of flow controller body (5) is less than the diameter of the second rear end cavity (4-4) of the column of flow controller installation sleeve (4), slit between the second rear end cavity (4-4) of the rearward end (5-2) of flow controller body (5) and flow controller installation sleeve (4) has constituted the working area of flow controller, and offers the through hole (8) that is connected with this working area on the front end (5-1) of flow controller body (5).
2. cylinder annulus throttling according to claim 1 is characterized in that than adjustable choke: outer second pressure head (2) that flow controller body (5) is played the axially locating effect that also is provided with of the front end (5-1) of said flow controller body (5).
3. adjustable choke is compared in cylinder annulus throttling according to claim 2, it is characterized in that: be provided with spring (6) between the front end (5-1) of said flow controller body (5) and second hole of flow controller installation sleeve (4) shoulder (4-3), can adjust second pressure head (2) and adjust the rearward end (5-2) of flow controller body (5) in the position of the second rear end cavity (4-4) of flow controller installation sleeve (4).
4. cylinder annulus throttling according to claim 2 is characterized in that than adjustable choke: the diameter of through hole (8) is less than the inscribed circle diameter of the interior hexagonal of second pressure head (2) in the front end (5-1) of said flow controller body (5).
5. cylinder annulus throttling according to claim 1 is characterized in that than adjustable choke: " O " RunddichtringO (7) that has been provided with the radial seal effect between the second rear end cavity (4-4) of said flow controller installation sleeve (4) and the first rear end cavity (3-3) of flow controller fixing body (3).
6. cylinder annulus throttling according to claim 1 is characterized in that than adjustable choke: outer first pressure head (1) that flow controller installation sleeve (4) is played the axially locating effect that also is provided with of the second front end cavity (4-1) of said flow controller installation sleeve (4).
7. cylinder annulus throttling according to claim 1 is characterized in that than adjustable choke: also offer internal thread in the through hole (8) of the front end (5-1) of said flow controller body (5).
8. cylinder annulus throttling according to claim 1 is characterized in that than adjustable choke: the end face of the rearward end (5-2) of said flow controller body (5) is no more than the end face of the second rear end cavity (4-4) of flow controller installation sleeve (4).
According to each described cylinder annulus throttling of claim 1-8 than adjustable choke, it is characterized in that: the diameter of the first front end cavity (3-1) of said flow controller fixing body (3) is greater than the diameter of the first rear end cavity (3-3); The diameter of the second front end cavity (4-1) of flow controller installation sleeve (4) is greater than the diameter of unthreaded hole (4-2), and the diameter of unthreaded hole (4-2) is greater than the diameter of the second rear end cavity (4-4); The diameter of the front end (5-1) of composition flow controller body (5) is greater than the maximum diameter of rearward end (5-2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190449.4A CN103291767B (en) | 2013-05-21 | 2013-05-21 | Cylinder annulus Throttling ratio adjustable choke |
| PCT/CN2013/085133 WO2014187065A1 (en) | 2013-05-21 | 2013-10-12 | Cylindrical annular gap flow restrictor having adjustable flow restriction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190449.4A CN103291767B (en) | 2013-05-21 | 2013-05-21 | Cylinder annulus Throttling ratio adjustable choke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103291767A true CN103291767A (en) | 2013-09-11 |
| CN103291767B CN103291767B (en) | 2016-04-20 |
Family
ID=49093147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310190449.4A Expired - Fee Related CN103291767B (en) | 2013-05-21 | 2013-05-21 | Cylinder annulus Throttling ratio adjustable choke |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103291767B (en) |
| WO (1) | WO2014187065A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014187065A1 (en) * | 2013-05-21 | 2014-11-27 | 西安交通大学 | Cylindrical annular gap flow restrictor having adjustable flow restriction |
| CN106151274A (en) * | 2016-08-23 | 2016-11-23 | 苏州陈那自动化技术有限公司 | Two-part annulus throttling arrangement |
| CN107387565A (en) * | 2017-06-20 | 2017-11-24 | 中科力函(深圳)热声技术有限公司 | Air-bearing and flow controller preparation method |
| CN108894760A (en) * | 2018-09-03 | 2018-11-27 | 中国石油集团川庆钻探工程有限公司 | Valve pipe combined type underground throttle for gas well production and use method thereof |
| CN109882505A (en) * | 2019-03-22 | 2019-06-14 | 厦门大学 | A kind of adjustable minute groove flow controller of Throttling ratio |
| CN110259825A (en) * | 2019-06-06 | 2019-09-20 | 厦门大学 | Throttling ratio real-time, tunable annular cylinder Slot Aperture Restrictor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU407105A1 (en) * | 1971-10-11 | 1973-11-21 | витель Станкостроительный завод Комунарас | HYDROSTATIC SUPPORTI2 |
| CN101832340A (en) * | 2010-01-26 | 2010-09-15 | 西安交通大学 | Annular slit restrictor |
| DE102009002627A1 (en) * | 2009-04-24 | 2010-10-28 | Voith Patent Gmbh | Hydrostatic support element |
| CN102588436A (en) * | 2012-02-14 | 2012-07-18 | 湖南大学 | Built-in variable throttler |
| CN203477106U (en) * | 2013-05-21 | 2014-03-12 | 西安交通大学苏州研究院 | Throttling device with adjustable cylindrical annular slot throttling ratio |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4119465A1 (en) * | 1991-06-13 | 1992-12-17 | Leidenfrost Reinhold | DEVICE FOR TRANSMITTING A HYDRAULIC PRESSURE FROM A FIXED OUTDOOR PART TO A ROTATING SHAFT |
| JP2960291B2 (en) * | 1993-09-28 | 1999-10-06 | 光洋精工株式会社 | Variable throttle valve |
| RU2247877C2 (en) * | 2003-04-16 | 2005-03-10 | Орловский государственный технический университет (ОрелГТУ) | Hydrostatic support |
| CN101403415B (en) * | 2008-11-04 | 2010-06-09 | 湖南大学 | End face throttling structure of high speed principal shaft liquid sliding bearing |
| CN103291767B (en) * | 2013-05-21 | 2016-04-20 | 西安交通大学苏州研究院 | Cylinder annulus Throttling ratio adjustable choke |
| CN103277417B (en) * | 2013-05-21 | 2016-04-20 | 西安交通大学苏州研究院 | Conical surface annular crevice throttle compares adjustable choke |
| CN203374675U (en) * | 2013-05-21 | 2014-01-01 | 西安交通大学苏州研究院 | Throttling device with adjustable throttling ratio of conical surface annular gap |
-
2013
- 2013-05-21 CN CN201310190449.4A patent/CN103291767B/en not_active Expired - Fee Related
- 2013-10-12 WO PCT/CN2013/085133 patent/WO2014187065A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU407105A1 (en) * | 1971-10-11 | 1973-11-21 | витель Станкостроительный завод Комунарас | HYDROSTATIC SUPPORTI2 |
| DE102009002627A1 (en) * | 2009-04-24 | 2010-10-28 | Voith Patent Gmbh | Hydrostatic support element |
| CN101832340A (en) * | 2010-01-26 | 2010-09-15 | 西安交通大学 | Annular slit restrictor |
| CN102588436A (en) * | 2012-02-14 | 2012-07-18 | 湖南大学 | Built-in variable throttler |
| CN203477106U (en) * | 2013-05-21 | 2014-03-12 | 西安交通大学苏州研究院 | Throttling device with adjustable cylindrical annular slot throttling ratio |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014187065A1 (en) * | 2013-05-21 | 2014-11-27 | 西安交通大学 | Cylindrical annular gap flow restrictor having adjustable flow restriction |
| CN106151274A (en) * | 2016-08-23 | 2016-11-23 | 苏州陈那自动化技术有限公司 | Two-part annulus throttling arrangement |
| CN106151274B (en) * | 2016-08-23 | 2019-05-14 | 苏州陈那自动化技术有限公司 | Two-part annular gap throttling set |
| CN107387565A (en) * | 2017-06-20 | 2017-11-24 | 中科力函(深圳)热声技术有限公司 | Air-bearing and flow controller preparation method |
| CN108894760A (en) * | 2018-09-03 | 2018-11-27 | 中国石油集团川庆钻探工程有限公司 | Valve pipe combined type underground throttle for gas well production and use method thereof |
| CN109882505A (en) * | 2019-03-22 | 2019-06-14 | 厦门大学 | A kind of adjustable minute groove flow controller of Throttling ratio |
| CN110259825A (en) * | 2019-06-06 | 2019-09-20 | 厦门大学 | Throttling ratio real-time, tunable annular cylinder Slot Aperture Restrictor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103291767B (en) | 2016-04-20 |
| WO2014187065A1 (en) | 2014-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103291767B (en) | Cylinder annulus Throttling ratio adjustable choke | |
| CN105736569B (en) | Variable restrictor shape hydrostatic bearing | |
| CN202531717U (en) | Damping hole fine-adjustable hydraulic buffer | |
| CN101832340B (en) | Annular slit restrictor | |
| CN109296794B (en) | Prepressing adjustable slide valve throttler | |
| TWI407023B (en) | Self-compensating hydrostatic journal bearing | |
| CN102562828A (en) | Controllable restrictor | |
| CN203374675U (en) | Throttling device with adjustable throttling ratio of conical surface annular gap | |
| CN103277417B (en) | Conical surface annular crevice throttle compares adjustable choke | |
| CN105370958A (en) | Membrane servo valve driven by piezoelectric ceramics | |
| CN203477106U (en) | Throttling device with adjustable cylindrical annular slot throttling ratio | |
| CN106151274B (en) | Two-part annular gap throttling set | |
| CN206017441U (en) | Two-part annulus throttling arrangement | |
| CN104321555A (en) | Damping valve | |
| CN109882505A (en) | A kind of adjustable minute groove flow controller of Throttling ratio | |
| CN106460747A (en) | Fuel injector | |
| CN102661323A (en) | Hydrostatic bearing | |
| CN205207816U (en) | Stack relief pressure valve | |
| CN205008469U (en) | Adjustable undergauge structure | |
| US20150014423A1 (en) | Pressure balancing mixing valve and water valve including the same | |
| CN203948362U (en) | Hydraulically-controlled one-way valve | |
| CN104204551A (en) | Hydraulic cylinder | |
| CN209557732U (en) | A kind of flow controller | |
| US11085502B2 (en) | Bleed needle for a hydraulic system | |
| CN102588436A (en) | Built-in variable throttler |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20200521 |