CN106151274B - Two-part annular gap throttling set - Google Patents
Two-part annular gap throttling set Download PDFInfo
- Publication number
- CN106151274B CN106151274B CN201610707521.XA CN201610707521A CN106151274B CN 106151274 B CN106151274 B CN 106151274B CN 201610707521 A CN201610707521 A CN 201610707521A CN 106151274 B CN106151274 B CN 106151274B
- Authority
- CN
- China
- Prior art keywords
- flow controller
- construction section
- section
- throttle
- annular groove
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
- F16C32/0644—Details of devices to control the supply of liquids to the bearings
- F16C32/0648—Details of devices to control the supply of liquids to the bearings by sensors or pressure-responsive control devices in or near the bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/005—Fluid passages not relating to lubrication or cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General build up of machine tools, e.g. spindles, slides, actuators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flow Control (AREA)
- Pipeline Systems (AREA)
Abstract
The present invention relates to two-part annular gap throttling sets, including flow controller fixing body, jackscrew with holes, O-ring seal and flow controller ontology.Flow controller fixing body is by front cavity, rear chamber and draws oilhole and forms;Flow controller ontology is made of shoulder, construction section, the first and second restriction portions, sealing annular groove, throttling annular groove, oil inlet annular groove and screw thread oilhole;Flow controller ontology compresses flow controller shoulder by jackscrew with holes and realizes axially position to the front cavity bottom of flow controller fixing body, realizes radial positioning by construction section outer circle and rear chamber cooperation;First throttle section is identical with length with the second restriction portion outer diameter, cooperatively forms throttle clearance with the rear chamber of same size, bigger than the position gap of construction section;By, respectively towards left and right sides both direction, the identical one group of opposed oil pocket of structure size being flowed into after the throttling of the first and second restriction portions after the oil inlet of oil inlet annular groove when use.The inventive structure is compact, and opposed oil pocket pressure identical adjustments are easy.
Description
Technical field
The present invention relates to the flow controllers of liquid static-pressure support, are particularly suitable for the opposed oil of flow controller installation space very little
Chamber.
Background technique
Liquid static-pressure support has many advantages, such as that small frictional resistance, long service life, precision are high, damping is big, thus in superfinishing
It has a wide range of applications in close lathe or functional component.
Flow controller is element indispensable in constant pressure oil supply THE HYDROSTATIC SUPPORTING SYSTEM.Common tradition fixed restriction device
There are orifice restriction device and a capillary restrictor, orifice restriction device is easy for installation but easy blocking, and capillary restrictor size is larger,
Easily blocking.Xi'an Communications University Zhao Wanhua professor and Chen Yaolong professor et al. devise a kind of annular slit restrictor (China
CN201010102089.4), pass through the gap between the rear end of flow controller ontology and the rear end cavity of flow controller fixing body, structure
At the workspace of flow controller, which solves blockage problem to a certain extent.
However the flow controller is actually using, and when being especially used for opposed oil pocket, needs constantly to replace flow controller element,
The pressure for adjusting opposed oil pocket is equal, relatively complicated.And when flow controller structure size is larger relative to supporting structure, entirely
Supporting structure space is difficult to arrange the oilhole (a corresponding throttle orifice of oil pocket and a pressure tap) of twice oil pocket quantity,
Reduce the use scope of the flow controller.
In view of the above shortcomings, the designer, is actively subject to research and innovation, to found a kind of two-part annular gap
Throttling set makes it with more the utility value in industry.
Summary of the invention
It is a kind of equal easy with the opposed oil pocket pressure of tune technical problem to be solved by the present invention lies in providing, and structure
Compact flow controller.Two-part annular gap throttling set of the invention, including flow controller fixing body, jackscrew with holes, O-shaped sealing
Circle and flow controller ontology, in which: shoulder, the first construction section, the second construction section, first throttle are provided on the flow controller ontology
Section, the second restriction portion, sealing annular groove, throttle annular groove, oil inlet annular groove and screw thread oilhole, sets on the flow controller fixing body
It is equipped with front cavity, rear chamber, first draws oilhole and second and draws oilhole, the shoulder of the flow controller ontology is compressed by jackscrew with holes
In the bottom of front cavity, there are position gap between the first construction section of the flow controller ontology, the second construction section and rear chamber,
There are the throttle clearance bigger than position gap between the first throttle section and the second restriction portion and rear chamber of the flow controller ontology,
O-ring seal is provided in sealing annular groove between the first construction section and the second construction section of the flow controller ontology.
Further, the oil inlet annular groove of the flow controller ontology is arranged between first throttle section and the second restriction portion,
The sealing annular groove of the flow controller ontology is arranged between the first construction section and the second construction section.The of the flow controller ontology
The outer diameter of one restriction portion and the second restriction portion is identical, and length is identical, is with what the first throttle section and the second restriction portion cooperated
The rear chamber of the same flow controller fixing body.First construction section of the flow controller ontology, the second construction section outer diameter are identical, and with
There are position gap between the rear chamber of flow controller fixing body, the position gap be less than first throttle section and the second restriction portion with
Throttle clearance between rear chamber, the position gap are often the 1/7 to 1/15 of throttle clearance, and the throttle clearance is according to static pressure
The liquid resistance for supporting single oil pocket, which calculates, to be determined.
Further, the first construction section of the device ontology and the second construction section may be provided at first throttle section and second
Before restriction portion, be provided with screw thread oilhole on the flow controller ontology, screw thread oilhole can respectively with oil inlet annular groove or restrictor ring
Shape slot or flow controller body tail section communicate, and constitute three kinds of structure types of two-part annular slit restrictor.In addition, described
The first construction section and the second construction section of flow controller ontology also can be set after first throttle section and the second restriction portion, in institute
Third construction section, the outer diameter of the third construction section and the first installation are additionally provided with after stating the shoulder of flow controller ontology
Section, the second construction section are identical, and in addition to front end is provided with screw thread oilhole and throttle orifice communicates, rear end is also set up the flow controller ontology
There are oilhole and oil inlet annular groove to communicate, constitutes the 4th kind of structure type of two-part annular slit restrictor.
According to the above aspect of the present invention, the present invention has at least the following advantages:
1, restriction portion is divided into two sections of first throttle section and the second restriction portion.One flow controller pipe, one group of structure size phase
Same opposed oil pocket, first throttle section and the processing of one knife of the second restriction portion, can make outer diameter identical with length, cooperate when due to processing
The rear chamber of the same flow controller fixing body through reamer articulation, the resistance of throttling liquid is identical at two.Therefore, when being used for opposed oil pocket,
It replaces a flow controller to be equivalent to replace the restricting element of a pair of identical liquid resistance simultaneously, theoretically the pressure of opposed oil pocket must
It is fixed identical, it is greatly reduced and adjusts the equal difficulty of opposed oil pocket pressure.
2, communicating by the transformation of construction section and restriction portion front-rear position and screw thread oilhole and different annular grooves,
Four kinds of two-part annular slit restrictors are constituted, different applications is suitable for.For preferred forms, than existing
There is technology to save 3/4 oilhole quantity, (the opposed oil pocket of one group of former technology needs four oilholes, i.e. two pressure taps and two sections
Discharge orifice, the present invention can be reduced to an oilhole, i.e., one integrates the oilhole of throttling and pressure measuring function), therefore structure phase
It is bright more more compact than primary.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention one, two sections of positive throttle type annular slit restrictors.
Wherein: jackscrew 1 with holes, hexagon ring 1-1, O-ring seal 2, flow controller fixing body 3, front cavity 3-1, rear chamber 3-
2, first draws oilhole 3-3, second draws oilhole 3-4, flow controller ontology 4, shoulder 4-1, the first construction section 4-2, the second construction section 4-
3, first throttle section 4-4, the second restriction portion 4-5, screw thread oilhole 4-6, sealing annular groove 4-7, throttling annular groove 4-8, oil inlet ring
Shape slot 4-9, oil supply pressure ps, the first oil pocket pressure p r1, the second oil pocket pressure p r2.
Fig. 2 is schematic structural view of the invention two, two sections of survey forefront pressure formula annular slit restrictors.
Wherein: jackscrew 1 with holes, hexagon ring 1-1, O-ring seal 2, flow controller fixing body 3, front cavity 3-1, rear chamber 3-
2, first draws oilhole 3-3, second draws oilhole 3-4, lateral fuel feed hole 3-5, flow controller ontology 4, shoulder 4-1, the first construction section 4-
2, the second construction section 4-3, first throttle section 4-4, the second restriction portion 4-5, screw thread oilhole 4-6, sealing annular groove 4-7, restrictor ring
Shape slot 4-8, oil inlet annular groove 4-9, oil supply pressure ps, the first oil pocket pressure p r1, the second oil pocket pressure p r2.
Fig. 3 is schematic structural view of the invention three, two sections of survey rear end pressure type annular slit restrictors.
Wherein: jackscrew 1 with holes, hexagon ring 1-1, O-ring seal 2, flow controller fixing body 3, front cavity 3-1, rear chamber 3-
2, first draws oilhole 3-3, second draws oilhole 3-4, lateral fuel feed hole 3-5, flow controller ontology 4, shoulder 4-1, the first construction section 4-
2, the second construction section 4-3, first throttle section 4-4, the second restriction portion 4-5, screw thread oilhole 4-6, sealing annular groove 4-7, restrictor ring
Shape slot 4-8, oil inlet annular groove 4-9, oil supply pressure ps, the first oil pocket pressure p r1, the second oil pocket pressure p r2.
Fig. 4 is schematic structural view of the invention four, two sections of reversed throttle type annular slit restrictors.
Wherein: jackscrew 1 with holes, hexagon ring 1-1, O-ring seal 2, flow controller fixing body 3, front cavity 3-1, rear chamber 3-
2, first draws oilhole 3-3, second draws oilhole 3-4, flow controller ontology 4, shoulder 4-1, the first construction section 4-2, the second construction section 4-
3, third construction section 4-12, first throttle section 4-4, the second restriction portion 4-5, screw thread oilhole 4-6, oilhole 4-10, sealing annular groove
4-7, first throttle annular groove 4-8, second throttling annular groove 4-11, oil inlet annular groove 4-9, oil supply pressure ps, the first oil pocket pressure
Power pr1, the second oil pocket pressure p r2.
Fig. 5 is invention (Chinese CN201010102089.4), when single hop throttle type annular slit restrictor forward direction uses
Structural schematic diagram.Oil supply pressure ps, oil pocket pressure p r.
Fig. 6 is invention (Chinese CN201010102089.4), when single hop throttle type annular slit restrictor reversely uses
Structural schematic diagram.Oil supply pressure ps, oil pocket pressure p r.
Fig. 7 is that inventive concept and invention (Chinese CN201010102089.4) thought are combined and surveyed using the single hop derived from
Pressure ring shaped Slot Aperture Restrictor.
Wherein: jackscrew 1 with holes, hexagon ring 1-1, O-ring seal 2, flow controller fixing body 3, front cavity 3-1, rear chamber 3-
2, draw oilhole 3-3, flow controller ontology 4, shoulder 4-1, the first construction section 4-2, the second construction section 4-3, restriction portion 4-4, thread compound
Hole 4-6, sealing annular groove 4-7, oil inlet annular groove 4-9, oil supply pressure ps, oil pocket pressure p r.
Specific embodiment
The first throttle section 4-4 of flow controller ontology 4 and the processing of one knife of the second restriction portion 4-5 outer circle, outer diameter having the same
And length, the rear chamber 3-2 of flow controller fixing body 3 are processed through reamer articulation, first throttle section 4-4 and the second restriction portion 4-5 divide
Not and rear chamber 3-2 constitutes throttle clearance, and throttle clearance, which hinders to calculate according to the throttling liquid of opposed oil pocket, to be determined.Flow controller ontology 4
The first construction section 4-2 and the processing of one knife of the second construction section 4-3 outer circle, the peace between outer diameter and rear chamber 3-2 having the same
Fill gap be less than throttle clearance, about its 1/7~1/15.The sealing annular groove 4-7 of flow controller ontology 4 is packed into O-ring seal
Afterwards, the bottom front cavity 3-1 of flow controller fixing body 3 is pressed on axially through jackscrew 1 with holes, radial through flow controller ontology 4
Construction section 4-2 and 4-3 and rear chamber 3-2 location fit.Pressure oil is pumped into through oil supply pressure ps, through hexagon ring 1-1, screw thread oilhole
After 4-6, oil inlet annular groove 4-9 points are passed through as left and right two-way, left enters first through throttle clearance at first throttle section 4-4 and draws oil
Hole 3-3, pressure are reduced to the first oil pocket pressure p r1, and right wing enters second through throttle clearance at the second restriction portion 4-5 and draws oilhole 3-4,
Pressure is reduced to the second oil pocket pressure p r2.First draw oilhole 3-3 and second draw oilhole 3-4 respectively with one group of complete phase of structure size
One of them of same opposed oil pocket communicates.Theoretically the first oil pocket pressure p r1 is equal to the second oil pocket pressure when static determinacy.
Fig. 2 is two sections of survey forefront pressure formula annular slit restrictors, and structure and principle are close with Fig. 1, except that
Oil inlet position is communicated in the lateral fuel feed hole 3-5, screw thread oilhole 4-6 and throttle orifice 4-8 of flow controller fixing body 3.Lateral oil sources pressure
After power ps is introduced, the first oil pocket pressure p r1 has been drawn from the screw thread oilhole 4-6 of flow controller front end.
Fig. 3 is two sections of survey rear end pressure type annular slit restrictors, and structure and principle are close with Fig. 1, except that
In the lateral fuel feed hole 3-5 of flow controller fixing body 3, screw thread oilhole 4-6 and throttling tail portion are communicated for oil inlet position.Lateral oil supply pressure
After ps is introduced, the second oil pocket pressure p r2 has been drawn from the screw thread oilhole 4-6 of flow controller front end.
Fig. 4 is two sections of reversed throttle type annular slit restrictors, and structure and principle are close with Fig. 2, except that section
Device ontology 4 first construction section 4-2 and the second construction section 4-3 setting are flowed in flow controller tail portion, and O sealing ring 2 is mounted in sealed groove 4-7
It is interior, third construction section 4-12 is provided with behind flow controller shoulder 4-1, outer diameter and the one or two construction section 4-2 and 4-3 are identical, section
Oilhole 4-10 is additionally provided on stream device ontology 4 and oil inlet annular groove 4-9 is communicated, and oil inlet position is in tail end.Tail end oil supply pressure ps
After introducing, the first oil pocket pressure p r1 has been drawn from the screw thread oilhole 4-6 of flow controller front end.
Fig. 5 is invention (Chinese CN201010102089.4), when single hop throttle type annular slit restrictor forward direction uses
Structural schematic diagram, hydraulic oil through oil supply pressure ps introducing after, from flow controller ontology front end, be flowed on flow controller annular into
Oil groove, enters rear end after restriction portion throttles, and pressure is reduced to pr.
Fig. 6 is invention (Chinese CN201010102089.4), when single hop throttle type annular slit restrictor reversely uses
Structural schematic diagram, hydraulic oil through oil supply pressure ps introducing after, from flow controller ontology tail end, section is flowed into after restriction portion throttles
The annular oil-feed tank on device is flowed, pressure is reduced to pr, and draws from flow controller front end.
Fig. 7 is that inventive concept and invention (Chinese CN201010102089.4) thought are combined and surveyed using the single hop derived from
Pressure ring shaped Slot Aperture Restrictor.With Fig. 5 and Fig. 6 the difference is that oil supply pressure ps is introduced from side to fuel feed hole 3-3, warp knuckle
Enter tail end after flowing section 3-2 throttling, pressure is reduced to pr, and draws from flow controller front end, this is because the spiral shell on flow controller ontology 4
Line oilhole 4-3 has been connected to front and back end.
The internal thread hole on screw thread oilhole 4-3 in all inventions can be used for assembling and disassembling flow controller.
It can be seen from the above written description and the attached drawings that after applying the present invention, gathering around and having the following advantages:
1, restriction portion is divided into two sections of first throttle section and the second restriction portion.Possess one group of structure ruler of a flow controller pipe
Very little identical opposed oil pocket, first throttle section and the processing of one knife of the second restriction portion, can make outer diameter identical with length when due to processing,
Cooperate the rear chamber of the same flow controller fixing body through reamer articulation, the resistance of throttling liquid is identical at two.Therefore, it is used for opposed oil pocket
When, it replaces a flow controller and is equivalent to replace the restricting element of a pair of identical liquid resistance simultaneously, theoretically the pressure of opposed oil pocket
Power must be identical, is greatly reduced and adjusts the equal difficulty of opposed oil pocket pressure.
2, communicating by the transformation of construction section and restriction portion front-rear position and screw thread oilhole and different annular grooves,
Four kinds of two-part annular slit restrictors are constituted, different applications is suitable for.
3, for preferred forms, than the oilhole quantity that the prior art saves 3/4, (one group of opposed oil of former technology
Chamber needs four oilholes, i.e. two pressure taps and two throttle orifices, and the present invention can be reduced to an oilhole, i.e., one collection throttling
The oilhole being integrated with pressure measuring function), therefore structure is compared to primary bright more compact.
The basic principles, main features and advantages of the present invention have been shown and described above, 6 kinds are covered substantially
Structure and 7 kinds of basic usages.It should be understood by those skilled in the art that the present invention is not limited by examples detailed above, examples detailed above
It is merely illustrated the principles of the invention with described in specification, the present invention is gone back without departing from the spirit and scope of the present invention
It will have various changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.It is claimed
Range is defined by appended claims and its equivalent.
Claims (1)
1. two-part annular gap throttling set, including flow controller fixing body (3), jackscrew with holes (1), O-ring seal (2) and section
It flows device ontology (4), is provided with shoulder (4-1), the first construction section (4-2), the second construction section (4- on the flow controller ontology (4)
3), first throttle section (4-4), the second restriction portion (4-5), sealing annular groove (4-7), throttling annular groove (4-8), oil inlet annular groove
(4-9) and screw thread oilhole (4-6) is provided with front cavity (3-1), rear chamber (3-2), first on the flow controller fixing body (3)
Draw oilhole (3-3) and second to draw oilhole (3-4), the shoulder (4-1) of the flow controller ontology (4) is compressed by jackscrew with holes (1)
In the bottom of front cavity (3-1), stayed between the construction section (4-2) and (4-3) and rear chamber (3-2) of the flow controller ontology (4)
There is position gap, there are than between positioning between the restriction portion (4-4) and (4-5) and rear chamber (3-2) of the flow controller ontology (4)
The big throttle clearance of gap, the sealing between the first construction section (4-2) and the second construction section (4-3) of the flow controller ontology (4)
O-ring seal (2) are provided in annular groove (4-7);
The oil inlet annular groove (4-9) of the flow controller ontology (4) is arranged in first throttle section (4-4) and the second restriction portion (4-5)
Between, the sealing annular groove (4-7) of the flow controller ontology (4) is arranged in the first construction section (4-2) and the second construction section (4-3)
Between, the first throttle section (4-4) of the flow controller ontology (4) is identical with the outer diameter of the second restriction portion (4-5), and length is identical,
With the first throttle section (4-4) and the second restriction portion (4-5) cooperate be the same flow controller fixing body (3) rear chamber
The first construction section (4-2) of (3-2), the flow controller ontology (4) are identical with the second construction section (4-3) outer diameter, and and flow controller
There are position gap between the rear chamber (3-2) of fixing body (3), position gap is less than first throttle section (4-4) and the second throttling
Throttle clearance between section (4-5) and rear chamber (3-2), position gap is often the 1/7 to 1/15 of throttle clearance, throttle clearance root
It calculates and determines according to the liquid resistance of hydrostatic support list oil pocket, it is characterised in that:
The first construction section (4-2) and the second construction section (4-3) of the flow controller ontology (4) are arranged at first throttle section (4-4)
It before the second restriction portion (4-5), is provided on flow controller ontology (4) screw thread oilhole (4-6), screw thread oilhole (4-6) can be distinguished
It is communicated with oil inlet annular groove (4-9), or throttling annular groove (4-8) or flow controller body tail section, constitutes the three of this throttling set
Kind structure type;
The first construction section (4-2) and the second construction section (4-3) of the flow controller ontology (4) may be provided at first throttle section (4-
4) and after the second restriction portion (4-5), but third construction section need to be additionally provided with after the shoulder (4-1) of flow controller ontology (4)
(4-12), outer diameter and the first construction section (4-2), the second construction section (4-3) of third construction section (4-12) are identical, flow controller
Ontology (4) in addition to front end is provided with screw thread oilhole (4-6) and throttle orifice (4-11) communicates, rear end be additionally provided with oilhole (4-10) and
Oil inlet annular groove (4-9) communicates, and constitutes the 4th kind of structure type of this throttling set.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610707521.XA CN106151274B (en) | 2016-08-23 | 2016-08-23 | Two-part annular gap throttling set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610707521.XA CN106151274B (en) | 2016-08-23 | 2016-08-23 | Two-part annular gap throttling set |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106151274A CN106151274A (en) | 2016-11-23 |
CN106151274B true CN106151274B (en) | 2019-05-14 |
Family
ID=57342570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610707521.XA Active CN106151274B (en) | 2016-08-23 | 2016-08-23 | Two-part annular gap throttling set |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106151274B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110748520B (en) * | 2019-09-19 | 2021-03-30 | 山东科技大学 | Needle gauge restrictor |
CN114857174B (en) * | 2022-06-16 | 2023-07-04 | 中国工程物理研究院机械制造工艺研究所 | Anti-disturbance restrictor for hydrostatic bearing and hydrostatic guideway |
CN114992245B (en) * | 2022-07-12 | 2024-05-07 | 安徽润安思变能源技术有限公司 | Static pressure gas radial bearing and installation equipment thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040034948A (en) * | 2002-10-17 | 2004-04-29 | 대우종합기계 주식회사 | Aerostatic bearing device of high speed spindle for milling processing |
CN101571334A (en) * | 2008-12-18 | 2009-11-04 | 金仁召 | Throttle pipe of household air conditioner |
CN101832340A (en) * | 2010-01-26 | 2010-09-15 | 西安交通大学 | Annular slit restrictor |
CN102562828A (en) * | 2012-02-14 | 2012-07-11 | 湖南大学 | Controllable restrictor |
CN102588436A (en) * | 2012-02-14 | 2012-07-18 | 湖南大学 | Built-in variable throttler |
CN103291767A (en) * | 2013-05-21 | 2013-09-11 | 西安交通大学苏州研究院 | Cylindrical annular slit throttling ratio adjustable throttler |
CN206017441U (en) * | 2016-08-23 | 2017-03-15 | 苏州陈那自动化技术有限公司 | Two-part annulus throttling arrangement |
-
2016
- 2016-08-23 CN CN201610707521.XA patent/CN106151274B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040034948A (en) * | 2002-10-17 | 2004-04-29 | 대우종합기계 주식회사 | Aerostatic bearing device of high speed spindle for milling processing |
CN101571334A (en) * | 2008-12-18 | 2009-11-04 | 金仁召 | Throttle pipe of household air conditioner |
CN101832340A (en) * | 2010-01-26 | 2010-09-15 | 西安交通大学 | Annular slit restrictor |
CN102562828A (en) * | 2012-02-14 | 2012-07-11 | 湖南大学 | Controllable restrictor |
CN102588436A (en) * | 2012-02-14 | 2012-07-18 | 湖南大学 | Built-in variable throttler |
CN103291767A (en) * | 2013-05-21 | 2013-09-11 | 西安交通大学苏州研究院 | Cylindrical annular slit throttling ratio adjustable throttler |
CN206017441U (en) * | 2016-08-23 | 2017-03-15 | 苏州陈那自动化技术有限公司 | Two-part annulus throttling arrangement |
Also Published As
Publication number | Publication date |
---|---|
CN106151274A (en) | 2016-11-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106151274B (en) | Two-part annular gap throttling set | |
CN103925254B (en) | Pressure-compensated valve and load sensitive system | |
CN206017441U (en) | Two-part annulus throttling arrangement | |
CN108131479B (en) | A kind of one-way throttle valve | |
CN103291767B (en) | Cylinder annulus Throttling ratio adjustable choke | |
CN202834257U (en) | High pressure reducing ratio constant pressure pressure-reducing valve | |
CN102562828A (en) | Controllable restrictor | |
CN103671321B (en) | A kind of hydraulic control valve | |
CN102252117B (en) | High-precision linear liquid flow adjustment valve | |
CN102661323B (en) | A kind of hydrostatic bearing | |
CN205207816U (en) | Stack relief pressure valve | |
CN202659905U (en) | Throttling valve | |
CN204942128U (en) | A kind of bidirectional damper valve arrangement | |
CN108561357B (en) | Plug-in type proportional overflow valve | |
CN103277417B (en) | Conical surface annular crevice throttle compares adjustable choke | |
CN109882505A (en) | A kind of adjustable minute groove flow controller of Throttling ratio | |
CN207195343U (en) | Adjustable compensation formula one-way flow valves | |
CN102588436B (en) | Built-in variable throttler | |
CN215806313U (en) | Expansion valve | |
CN203374675U (en) | Throttling device with adjustable throttling ratio of conical surface annular gap | |
CN104895857B (en) | Low noise cone valve | |
CN203835841U (en) | Pressure compensation valve and load sensitive system | |
CN108105428B (en) | One-way throttle valve | |
CN202579454U (en) | Speed governing device used for hydraulic steady speed device and hydraulic steady speed device | |
CN203477106U (en) | Throttling device with adjustable cylindrical annular slot throttling ratio |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |