CN207892993U - A kind of static pressure flow controller - Google Patents
A kind of static pressure flow controller Download PDFInfo
- Publication number
- CN207892993U CN207892993U CN201721842102.3U CN201721842102U CN207892993U CN 207892993 U CN207892993 U CN 207892993U CN 201721842102 U CN201721842102 U CN 201721842102U CN 207892993 U CN207892993 U CN 207892993U
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- CN
- China
- Prior art keywords
- flow controller
- oil chamber
- ruby
- seal oil
- working connection
- 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.)
- Expired - Fee Related
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The utility model discloses a kind of static pressure flow controllers, it is characterised in that：Flow controller is provided with seal oil chamber, and the piston moved in the vertical direction is provided in seal oil chamber, and the regulation handle of piston is located at the top of flow controller, and regulation handle is fixedly connected with the piston by adjusting rod；It is cylinder that the lower section interlocking of seal oil chamber, which has ruby, ruby,；Ruby upper end is contacted with seal oil chamber, the ruby lower section is provided with opening up feed liquor cone, the side wall of flow controller offers the delivery outlet being connected to feed liquor cone liquid outlet, the side wall of the seal oil chamber is embedded with the repairing pipe being in communication with the outside, and the cone valve with switch knob is equipped on repairing pipe；The delivery outlet is connected to by fluid pressure line with static-pressure oil chamber；The inlet of the feed liquor cone is connected to by working connection with mailbox, oil pump is equipped on the working connection, the working connection is connected to repairing pipe.The patent can ensure that supported clearance is varied less or is bordering on and is constant when there is plus load effect.
Description
Technical field
The utility model is related to choke technology fields, more particularly to a kind of static pressure flow controller.
Background technology
There are major defects for traditional liquid static-pressure support flow controller, and performance is bad, cannot eliminate supported clearance with additional
The shortcomings that load increases and reduces sharply, seriously affects its practical application, and changeable flow flow controller is non-in the presence of processing and manufacturing, design adjustment
Often complicated, of high cost deficiency.As the key components and parts playing supporting role in axis system, hydrodynamic journal liquid polymers are in high-efficiency precision
Application on close lathe is more and more extensive.Application of the hydrostatic slideway on heavy ultra-precision machine tool is more and more extensive.Throttling
Device is the important pressure compensation element of hydrostatic slideway, with larger bearing capacity.Traditional capillary, aperture etc.
Hydrostatic slideway oil film under flow controller is adjusted increases with external applied load and acutely reduces, and can not achieve automatic compensation, capillary-compensated
The oil film rigidity of device and orifice restriction device is poor, reduces practical application effect, and thin film restrictor design calculates, fabricates work
Skill is complicated, of high cost.Therefore the research of new restrictor can improve the properties of hydrostatic slideway, have important reality
Border meaning.
Utility model content
The technical problems to be solved in the utility model is：A kind of static pressure flow controller is provided, which can ensure
When there is plus load effect, supported clearance is varied less or is bordering on and is constant.Flow controller throttling function admirable, handling ease, design
Convenience of calculation, function admirable, reliable operation, of low cost, simple in structure, small volume have good practical value and push away
Wide application prospect.
The utility model is adopted the technical scheme that solve technical problem present in known technology：
A kind of static pressure flow controller, includes at least：Flow controller (10), the flow controller (10) are provided with seal oil chamber (14),
It is provided with the piston (12) moved in the vertical direction, the regulation handle (11) of the piston (12) in the seal oil chamber (14)
Top positioned at flow controller (10), the regulation handle (11) are fixedly connected by adjusting rod with piston (12)；In the sealing
It is cylinder that the lower section interlocking of oil pocket (14), which has ruby (17), the ruby (17),；The upper end of the ruby (17) with
Seal oil chamber (14) contacts, and opening up feed liquor cone (21), the flow controller are provided with below the ruby (17)
(10) side wall offers the delivery outlet (7) being connected to feed liquor cone (21) liquid outlet, and the side wall of the seal oil chamber (14) is embedded
There is the repairing pipe (22) being in communication with the outside, the cone valve (15) with switch knob (16) is installed on the repairing pipe (22)；Institute
Delivery outlet (7) is stated to be connected to static-pressure oil chamber (8) by fluid pressure line；The inlet of the feed liquor cone (21) passes through working connection and postal
Case (1) is connected to, and is equipped with oil pump (4) on the working connection, the working connection is connected to repairing pipe (22).
Further：Filter (2) and pressure gauge (23) are also equipped on the working connection.
Further：Overflow valve (5) and throttle valve (6) are also equipped on the working connection.
Further：The side wall of the piston (12) is equipped with sealing ring (13).
Further：The side wall of the ruby (17) is equipped with sealing ring (18).
The utility model has the advantages and positive effects of：
By using ruby as the floating part for adjusting pressure, have that density is low, hardness is high, has very high resistance to
Mill property, long lifespan, processing can realize that very high dimensional accuracy, especially ruby are nonmetallic, and quality is small, dynamic response
Can be good, can be directed to the variation hydraulic system of load can generate rapidly changes in flow rate.
Throttling uses the overflow port of annular surface, ruby to generate small displacement, and flow just at prodigious variation is generated, is controlled
Performance processed is good.
Ruby utilizes the balanced loaded pressure of seal oil chamber, because seal oil chamber has high stiffness, and has centainly
Non-linear behaviour generates good overall performance under the operating mode of ruby micro-displacement with load static pressure.
Flow controller the customer service processing of diaphragm flow controller, technique, cost, design, the unfavorable factor of calculating, and can ensure height
The requirement of precision, high-performance, high reliability, moreover, design and manufacture cost is relatively low, precision is easily guaranteed that.
Flow controller can ensure that supported clearance is varied less or is bordering on and is constant when there is plus load effect.Flow controller throttles
Function admirable, handling ease, design convenience of calculation, function admirable, reliable operation, of low cost, simple in structure, small volume,
With good practical value and popularizing application prospect.
Description of the drawings
Fig. 1 is the structure chart of the utility model preferred embodiments；
Wherein：1. fuel tank, 2. filters, 3. motors, 4. oil pumps, 5. overflow valves, 6. throttle valves, 7. delivery outlets, 8. static pressure
Oil pocket, 9. bearing axles, 10. flow controllers, 11. regulation handles, 12. pistons, 13. sealing rings, 14. seal oil chambers, 15. cone valves, 16.
Switch knob, 17. rubies, 18. sealing rings, 19. overflow ports, 20. inlets, 21. feed liquors cone, 22. repairing pipes, 23. pressure
Table.
Specific implementation mode
For that can further appreciate that the invention, features and effects of the utility model, the following examples are hereby given, and coordinates
Detailed description are as follows for attached drawing：
Referring to Fig. 1, a kind of static pressure flow controller, including：Flow controller 10, the flow controller 10 are provided with seal oil chamber 14,
The piston 12 moved in the vertical direction is provided in the seal oil chamber 14, the regulation handle 11 of the piston 12 is located at throttling
The top of device 10, the regulation handle 11 are fixedly connected by adjusting rod with piston 12；It is embedding in the lower section of the seal oil chamber 14
It is connected to ruby 17, the ruby 17 is cylinder；The upper end of the ruby 17 is contacted with seal oil chamber 14, described red
The lower section of jewel 17 is provided with opening up feed liquor cone 21, and the side wall of the flow controller 10 is offered bores 21 liquid outlets with feed liquor
The delivery outlet 7 of connection, the side wall of the seal oil chamber 14 are embedded with the repairing pipe 22 being in communication with the outside, on the repairing pipe 22
Cone valve 15 with switch knob 16 is installed；The delivery outlet 7 is connected to by fluid pressure line with static-pressure oil chamber 8；The feed liquor
The inlet of cone 21 is connected to by working connection with mailbox 1, and oil pump 4, the working connection and repairing pipe are equipped on the working connection
22 connections.
Filter 2 and pressure gauge 23 are also equipped on the working connection.
Overflow valve 5 and throttle valve 6 are also equipped on the working connection.
The side wall of the piston 12 is equipped with sealing ring 13.
The side wall of the ruby 17 is equipped with sealing ring 18.
In above preferred embodiment：Motor 3 drive oil pump 4 and with filter 2, fuel tank 1, throttle valve 6, pressure gauge 23
Hydraulic power system is formed with overflow valve 5, constant pressure oil is provided.Pressure oil working connection through feed liquor cone 21 inlet 20 with
The lower surface of ruby 17 forms annular overflow port 19, then defeated through fluid pressure line through delivery outlet 7 after the hydraulic oil confluence of overflow
It is sent to static-pressure oil chamber 8, the static pressure of generation supports bearing axle 9, ruby 17 and the upper lower oil cavitie of the partition of sealing ring 18, and and piston
12 and sealing ring 13, cone valve 15 form closed seal oil chamber 14, by regulation handle 11 adjust seal oil chamber 14 volume,
To change seal oil chamber hydraulic stiffness.The branch for the hydraulic oil that oil pump 4 exports passes through switch knob 16 and cone through repairing pipe 22
Valve 15 is transported to seal oil chamber 14, and after being adjusted to the position of the setting of piston 12, cone valve 15 is closed.
The operation principle of above preferred embodiment is：Hydraulic oil in fuel tank 1 drives oil pump 4 by filter 2 through motor 3
Output, and output pressure is set up by throttle valve 6 and overflow valve 5, and shown on pressure gauge 23.Pressure oil is passed through by working connection
The lower surface of inlet 20 and the ruby 17 of feed liquor cone 21 forms annular overflow port 19, through output after the hydraulic oil confluence of overflow
Mouth 7, is then transported to static-pressure oil chamber 8 through fluid pressure line, and the static pressure of generation supports bearing axle 9, ruby 17 and sealing ring 18
Lower oil cavitie in partition, and closed seal oil chamber 14 is formed with piston 12 and sealing ring 13, cone valve 15, it is adjusted by regulation handle 11
The volume for saving seal oil chamber 14, to change seal oil chamber hydraulic stiffness.The branch for the hydraulic oil that oil pump 4 exports is through repairing pipe
22 are transported to seal oil chamber 14 by switch knob 16 and cone valve 15, and after being adjusted to the position of the setting of piston 12, cone valve 15 is closed.
The bias generated when the load of bearing axle 9 increases downwards is mobile, and the pressure in static-pressure oil chamber 8 increases, to defeated
Oil pocket pressure rise in outlet 7 increases the lower surface that pressure acts on ruby 17, pushes it to move up, overflow port 19
Sectional area increase, pressure drop reduces, and the increased hydraulic oil of flow pushes bearing axle 9 to move up, and forms feedback, proof load axis
9 loaded rigid.The flow for flowing through flow controller increases with the raising of oil pocket pressure, to adapt to the variation of outer load,
So that the oil film thickness of bearing supported clearance almost remains unchanged, it is provided with prodigious oil film rigidity.
This patent uses ruby and makes adjustments unit, responds, and precision is high, wear-resisting, is also exactly the liquid on ruby
Press chamber as elastomer.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is made according to the scope of application of this utility model equal
Deng variation and improvement etc., should all still belong within the patent covering scope of the utility model.
Claims (5)
1. a kind of static pressure flow controller, it is characterised in that：It includes at least：Flow controller (10), the flow controller (10) are provided with sealing
Oil pocket (14), the seal oil chamber (14) is interior to be provided with the piston (12) moved in the vertical direction, the tune of the piston (12)
Section handle (11) is located at the top of flow controller (10), and the regulation handle (11) is fixedly connected by adjusting rod with piston (12)；
It is cylinder that in the lower section of the seal oil chamber (14), interlocking, which has ruby (17), the ruby (17),；The ruby
(17) upper end is contacted with seal oil chamber (14), and opening up feed liquor cone (21) is provided with below the ruby (17),
The side wall of the flow controller (10) offers the delivery outlet (7) being connected to feed liquor cone (21) liquid outlet, the seal oil chamber (14)
Side wall be embedded with the repairing pipe (22) being in communication with the outside, the cone with switch knob (16) is installed on the repairing pipe (22)
Valve (15)；The delivery outlet (7) is connected to by fluid pressure line with static-pressure oil chamber (8)；The inlet of the feed liquor cone (21) passes through
Working connection is connected to mailbox (1), and oil pump (4) is equipped on the working connection, and the working connection is connected to repairing pipe (22).
2. static pressure flow controller according to claim 1, it is characterised in that：Filter (2) is also equipped on the working connection
With pressure gauge (23).
3. static pressure flow controller according to claim 1 or 2, it is characterised in that：It is also equipped with overflow valve on the working connection
(5) and throttle valve (6).
4. static pressure flow controller according to claim 3, it is characterised in that：The side wall of the piston (12) is equipped with sealing ring
(13)。
5. static pressure flow controller according to claim 3, it is characterised in that：The side wall of the ruby (17) is equipped with sealing
Ring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721842102.3U CN207892993U (en) | 2017-12-25 | 2017-12-25 | A kind of static pressure flow controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721842102.3U CN207892993U (en) | 2017-12-25 | 2017-12-25 | A kind of static pressure flow controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892993U true CN207892993U (en) | 2018-09-21 |
Family
ID=63549631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721842102.3U Expired - Fee Related CN207892993U (en) | 2017-12-25 | 2017-12-25 | A kind of static pressure flow controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892993U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110628572A (en) * | 2019-11-11 | 2019-12-31 | 中国农业科学院兰州畜牧与兽药研究所 | Yak DNA extraction element |
| CN114857174A (en) * | 2022-06-16 | 2022-08-05 | 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 guide rail |
-
2017
- 2017-12-25 CN CN201721842102.3U patent/CN207892993U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110628572A (en) * | 2019-11-11 | 2019-12-31 | 中国农业科学院兰州畜牧与兽药研究所 | Yak DNA extraction element |
| CN110628572B (en) * | 2019-11-11 | 2023-06-16 | 中国农业科学院兰州畜牧与兽药研究所 | Yak DNA extraction device using hydrostatic bearing capable of adapting to pressure change |
| CN114857174A (en) * | 2022-06-16 | 2022-08-05 | 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 guide rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 Termination date: 20191225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |