CN104373623A - Hydraulic plug valve for oil field - Google Patents
Hydraulic plug valve for oil field Download PDFInfo
- Publication number
- CN104373623A CN104373623A CN201410555091.5A CN201410555091A CN104373623A CN 104373623 A CN104373623 A CN 104373623A CN 201410555091 A CN201410555091 A CN 201410555091A CN 104373623 A CN104373623 A CN 104373623A
- Authority
- CN
- China
- Prior art keywords
- plate
- valve
- hydraulic
- oil
- plug valve
- 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.)
- Pending
Links
Classifications
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Abstract
The invention discloses a hydraulic plug valve for an oil field. The hydraulic plug valve comprises a valve body and a direction rotation plate. The valve body comprises a dust shield, a connecting plate, a fixing plate, a connecting column, a valve element base and a flange. An indicator board is arranged on the top face of the dust shield, a first locating block is arranged at the bottom of the connecting column, a second locating block is arranged on the top face of the valve element base, an oil transportation through hole is formed in the valve body, a one-way non-return plate is arranged in the oil transportation through hole, a valve element cavity is formed in the center of the oil transportation through hole, a valve element is arranged in the valve element cavity, a hydraulic power cavity is formed above the valve element cavity, a boosting cylinder is arranged in the hydraulic power cavity, a driving shaft is arranged in the boosting cylinder, the bottom of the valve element is connected into the valve body through a driven shaft, and the boosting cylinder is connected with a hydraulic oil cylinder through an oil inlet pipeline and an oil outlet pipeline. The hydraulic plug valve for the oil field is simple in structure and high in practicability, stability and safety of the hydraulic plug valve are improved during work, impact to the valve element by liquid can be effectively reduced, and the service life of the hydraulic plug valve is prolonged.
Description
Technical field
The present invention relates to a kind of oil field hydraulic swing plug valve.
Background technique
Stopcock is the rotary valve of closure member or plunger, by 90-degree rotation, the passway on valve plug is communicated with the passway on valve body or separates, and realizes a kind of valve opened or close.It is a kind of throughway valve of snap switch, move with wiping action owing to revolving between sealing surface, and the contact with flowing medium can be prevented completely when standard-sized sheet, be easy to adapt to multi-channel structure, the design of pipe-line system can be simplified, reduce some connection fittings needed in valve consumption and equipment.
Stopcock valve core rotation of the prior art is unstable, and the time has been grown easy appearance and loosened, and then produces " leakage ", do not have filtrating equipment, the impurity in liquid easily causes wearing and tearing to valve interior surface, simultaneously owing to not having safety check, easily cause the backflow of liquid, Security is not high.
Summary of the invention
The object of the invention is the technological scheme providing a kind of oil field hydraulic swing plug valve for the deficiency existing for prior art, the rotation of spool not only can be made more stable by the design of hydraulic pressure, and reduce the impact of the liquid in oil transportation through hole to spool, extend the working life of stopcock, effectively can reduce impurity by filter screen simultaneously, in flow process, wearing and tearing be caused to oil field pipe inwall and stopcock inwall, one-way non-return plate can effectively prevent from, there being the position liquid of height difference to reflux, improve Security.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of oil field hydraulic swing plug valve, hydraulic swing plug valve comprises valve body and direction rotating disk, it is characterized in that: valve body comprises dust guard, connecting plate, fixed plate, attachment post, valve core case and flange plate, dust guard is provided with mounting-positioning holes, direction rotating disk is rotatably connected on dust guard by coupling shaft through mounting-positioning holes, the end face of dust guard is provided with indicator board, connecting plate is fixedly connected on the bottom surface of dust guard, fixed plate is fixedly connected on the bottom surface of connecting plate, attachment post is positioned at the below of fixed plate, the bottom of attachment post is provided with the first positioning block, the end face of valve core case is provided with the second positioning block, being fixedly connected with of the first positioning block and the second positioning block is realized by screw, flange plate is fixedly connected with valve core case by being connected block, oil transportation through hole is provided with in valve body, one-way non-return plate is provided with in oil transportation through hole, the center of oil transportation through hole is provided with spool chamber, spool is provided with in spool chamber, the top of spool chamber is provided with hydraulic power chamber, dividing plate is provided with between hydraulic power chamber and spool chamber, boosting cylinder is provided with in hydraulic power chamber, driving shaft is provided with in boosting cylinder, driving shaft is provided with blade, driving shaft is fixedly connected with spool through dividing plate, the bottom of spool is rotatably connected in valve body by driven shaft, boosting cylinder is by in-line and outlet line connecting fluid compressing cylinder, hydraulic jack is positioned at dust guard and connecting plate, the design of direction rotating disk not only can make valve core rotation more convenient and quicker, and improve the flexibility of stopcock, more laborsaving compared to handle, the design of the first positioning block and the second positioning block reduces the difficulty of stopcock casting, the convenient disassembly of valve body when spool goes wrong cisco unity malfunction, do not need to change whole stopcock, reduce cost, the circulation of hydraulic oil not only can be realized by the design of hydraulic jack and boosting cylinder, reduce the waste of hydraulic oil, and the rotation of spool can be made more stable, reduce the impact of the liquid in oil transportation through hole to spool, the two ends of spool are positioned by driving shaft and driven shaft simultaneously, further increase stability during valve core rotation, reduce the impact of liquid to valve interior wall, extend the working life of stopcock.
Further, flange plate is provided with stiffening rib with being connected between block, stiffening rib effectively improves flange plate and the join strength be connected between block, making oil field pipe more stable when connecting, preventing stopcock from installation and removal process, affecting flange plate and the intensity be connected between block because of unbalance stress.
Further, oil transportation through hole is provided with filter screen, various impurity can be there is due in the oil just exploited, impurity in oil can well filter by filter screen, prevent impurity blocking pipe, effectively can reduce impurity causes wearing and tearing to oil field pipe inwall and stopcock inwall in flow process simultaneously, improves Security during oil transportation.
Further, be provided with seal ring between dividing plate and spool chamber, seal ring can effectively prevent the oil in spool chamber from entering into hydraulic power chamber, prevents the hydraulic oil in boosting cylinder from entering into spool chamber simultaneously, improves the Security of oil transportation.
Further, the outer surface of hydraulic jack is provided with warming plate, warming plate can effectively prevent hydraulic oil Yin Wendu too high and lose performance or Yin Wendu too low and cause and solidify, and then affect the working efficiency of stopcock spool.
Further, in-line is provided with control valve, direction rotating disk, can the switch of adjusting control valve as required by coupling shaft connection control valve, and then realizes the switch of spool, is realized the flexible buffer of spool, reduce the wearing and tearing of parts by hydraulic oil.
Further, indicator board is provided with pointer and number of turns display window, pointer is positioned at the center of indicator board, the surrounding of pointer is evenly provided with bar, the switch of spool can be understood by observing the number of turns shown in pointer position and number of turns display window, not needing the outlet end observing oil pipe, enormously simplify operating process, improve working efficiency, make the control of stopcock convenient and swift.
Further, one-way non-return plate comprises fixed support and one-way guide flow plate, one end of one-way guide flow plate is connected on fixed support by axis of rotation, the center of one-way guide flow plate is provided with flexible rod, the other end of flexible rod is fixedly connected on fixed support, connected by synchronizing bar between adjacent two rotating shafts, synchronizing bar can realize one-way guide flow plate synchronizing moving, the flowing of liquid in pipeline is controlled, can effectively prevent from, there being the position liquid of height difference to reflux, improve Security simultaneously.
Further, the corner of one-way guide flow plate is a, and the scope of corner a is 0 ゜ ~ 90 ゜, achieves the control of flow rate of liquid from minimum to maximum.
The present invention, owing to have employed technique scheme, has following beneficial effect:
1, the circulation of hydraulic oil not only can be realized by the design of hydraulic jack and boosting cylinder, reduce the waste of hydraulic oil, and the rotation of spool can be made more stable, reduce the impact of the liquid in oil transportation through hole to spool, the two ends of spool are positioned by driving shaft and driven shaft simultaneously, further increase stability during valve core rotation, reduce the impact of liquid to valve interior wall, extend the working life of stopcock;
2, the design of direction rotating disk not only can make valve core rotation more convenient and quicker, and improve the flexibility of stopcock, more laborsaving compared to handle, the design of the first positioning block and the second positioning block reduces the difficulty of stopcock casting, the convenient disassembly of valve body when spool goes wrong cisco unity malfunction, do not need to change whole stopcock, reduce cost;
3, the impurity in oil can well filter by filter screen, prevents impurity blocking pipe, and effectively can reduce impurity causes wearing and tearing to oil field pipe inwall and stopcock inwall in flow process simultaneously, improves Security during oil transportation;
4, the switch of spool can be understood by observing the number of turns shown in pointer position and number of turns display window, not needing the outlet end observing oil pipe, enormously simplify operating process, improve working efficiency, make the control of stopcock convenient and swift;
5, the synchronizing bar in one-way non-return plate can realize one-way guide flow plate synchronizing moving, and the flowing of liquid in pipeline is controlled, and can effectively prevent from, there being the position liquid of height difference to reflux, improve Security simultaneously.
Structure of the present invention is simple, practical, stable when not only increasing the work of hydraulic swing plug valve and Security, and effectively can reduce the impact of liquid to spool, extend its working life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the design sketch of a kind of oil field of the present invention hydraulic swing plug valve;
Fig. 2 is internal structure schematic diagram of the present invention;
Fig. 3 is the structural representation of indicator board in the present invention;
Fig. 4 is the structural representation of one-way non-return plate in the present invention.
In figure: 1-valve body; 2-direction rotating disk; 3-dust guard; 4-connecting plate; 5-fixed plate; 6-valve core case; 7-first positioning block; 8-second positioning block; 9-attachment post; 10-flange plate; 11-is connected block; 12-stiffening rib; 13-indicator board; 14-mounting-positioning holes; 15-oil transportation through hole; 16-spool chamber; 17-hydraulic power chamber; 18-boosting cylinder; 19-spool; 20-dividing plate; 21-blade; 22-driving shaft; 23-seal ring; 24-hydraulic jack; 25-in-line; 26-outlet line; 27-control valve; 28-warming plate; 29-filter screen; 30-one-way non-return plate; 31-pointer; 32-number of turns display window; 33-fixed support; 34-one-way guide flow plate; 35-flexible rod; 36-rotating shaft; 37-synchronizing bar; 38-driven shaft.
Embodiment
As shown in Figures 1 to 4, for a kind of oil field of the present invention hydraulic swing plug valve, hydraulic swing plug valve comprises valve body 1 and direction rotating disk 2, valve body 1 comprises dust guard 3, connecting plate 4, fixed plate 5, attachment post 9, valve core case 6 and flange plate 10, dust guard 3 is provided with mounting-positioning holes 14, direction rotating disk 2 is rotatably connected on dust guard 3 by coupling shaft through mounting-positioning holes 14, the end face of dust guard 3 is provided with indicator board 13, indicator board 13 is provided with pointer 31 and number of turns display window 32, pointer 31 is positioned at the center of indicator board 13, the surrounding of pointer 31 is evenly provided with bar, the switch of spool 19 can be understood by the number of turns of observing display in pointer 31 position and number of turns display window 32, do not need the outlet end observing oil pipe, enormously simplify operating process, improve working efficiency, make the control of stopcock convenient and swift, connecting plate 4 is fixedly connected on the bottom surface of dust guard 3, fixed plate 5 is fixedly connected on the bottom surface of connecting plate 4, attachment post 9 is positioned at the below of fixed plate 5, the bottom of attachment post 9 is provided with the first positioning block 7, the end face of valve core case 6 is provided with the second positioning block 8, being fixedly connected with of the first positioning block 7 and the second positioning block 8 is realized by screw, flange plate 10 is fixedly connected with valve core case 6 by being connected block 11, flange plate 10 is provided with stiffening rib 12 with being connected between block 11, stiffening rib 12 effectively improves flange plate 10 and the join strength be connected between block 11, make oil field pipe more stable when connecting, prevent stopcock from installation and removal process, affecting flange plate 10 and the intensity be connected between block 11 because of unbalance stress, oil transportation through hole 15 is provided with in valve body 1, one-way non-return plate 30 is provided with in oil transportation through hole 15, one-way non-return plate 30 comprises fixed support 33 and one-way guide flow plate 34, one end of one-way guide flow plate 34 is rotatably connected on fixed support 33 by rotating shaft 36, the center of one-way guide flow plate 34 is provided with flexible rod 35, the other end of flexible rod 35 is fixedly connected on fixed support 33, connected by synchronizing bar 37 between adjacent two rotating shafts 36, synchronizing bar 37 can realize one-way guide flow plate 34 synchronizing moving, the flowing of liquid in pipeline is controlled, effectively can prevent having the position liquid of height difference to reflux simultaneously, improve Security, the corner of one-way guide flow plate 34 is a, the scope of corner a is 0 ゜ ~ 90 ゜, achieve the control of flow rate of liquid from minimum to maximum, oil transportation through hole 15 is provided with filter screen 29, various impurity can be there is due in the oil just exploited, impurity in oil can well filter by filter screen 29, prevent impurity blocking pipe, effectively can reduce impurity causes wearing and tearing to oil field pipe inwall and stopcock inwall in flow process simultaneously, improve Security during oil transportation, the center of oil transportation through hole 15 is provided with spool chamber 16, spool 19 is provided with in spool chamber 16, the top of spool chamber 16 is provided with hydraulic power chamber 17, dividing plate 20 is provided with between hydraulic power chamber 17 and spool chamber 16, seal ring 23 is provided with between dividing plate 20 and spool chamber 16, seal ring 23 can effectively prevent the oil in spool chamber 16 from entering into hydraulic power chamber 17, prevent the hydraulic oil in boosting cylinder 18 from entering into spool chamber 16 simultaneously, improve the Security of oil transportation, boosting cylinder 18 is provided with in hydraulic power chamber 17, driving shaft 22 is provided with in boosting cylinder 18, driving shaft 22 is provided with blade 21, driving shaft 22 is fixedly connected with spool 19 through dividing plate 20, the bottom of spool 19 is rotatably connected in valve body 1 by driven shaft 38, boosting cylinder 18 is by in-line 25 and outlet line 26 connecting fluid compressing cylinder 24, the outer surface of hydraulic jack 24 is provided with warming plate 28, warming plate 28 can effectively prevent hydraulic oil Yin Wendu too high and lose performance or Yin Wendu too low and cause and solidify, and then affect the working efficiency of stopcock spool 19, hydraulic jack 24 is positioned at dust guard 3 and connecting plate 4, in-line 25 is provided with control valve 27, direction rotating disk 2 is by coupling shaft connection control valve 27, can the switch of adjusting control valve 27 as required, and then realize the switch of spool 19, the soft impulse of spool 19 is realized by hydraulic oil, reduce the wearing and tearing of parts, the design of direction rotating disk 2 not only can make spool 19 rotate more convenient and quicker, and improve the flexibility of stopcock, more laborsaving compared to handle, the design of the first positioning block 7 and the second positioning block 8 reduces the difficulty of stopcock casting, the convenient disassembly of valve body 1 when spool 19 goes wrong cisco unity malfunction, do not need to change whole stopcock, reduce cost, the circulation of hydraulic oil not only can be realized by the design of hydraulic jack 24 and boosting cylinder 18, reduce the waste of hydraulic oil, and the rotation of spool 19 can be made more stable, reduce liquid in oil transportation through hole 15 to the impact of spool 19, the two ends of spool 19 are positioned by driving shaft 22 and driven shaft 38 simultaneously, further increase stability when spool 19 rotates, reduce the impact of liquid to valve body 1 inwall, extend the working life of stopcock.
These are only specific embodiments of the invention, but technical characteristics of the present invention is not limited thereto.Any based on the present invention, for realizing substantially identical technique effect, done ground simple change, equivalent replacement or modification etc., be all covered by among protection scope of the present invention.
Claims (9)
1. an oil field hydraulic swing plug valve, described hydraulic swing plug valve comprises valve body and direction rotating disk, it is characterized in that: described valve body comprises dust guard, connecting plate, fixed plate, attachment post, valve core case and flange plate, described dust guard is provided with mounting-positioning holes, described direction rotating disk is rotatably connected on described dust guard by coupling shaft through described mounting-positioning holes, the end face of described dust guard is provided with indicator board, described connecting plate is fixedly connected on the bottom surface of described dust guard, described fixed plate is fixedly connected on the bottom surface of described connecting plate, described attachment post is positioned at the below of described fixed plate, the bottom of described attachment post is provided with the first positioning block, the end face of described valve core case is provided with the second positioning block, being fixedly connected with of described first positioning block and described second positioning block is realized by screw, described flange plate is fixedly connected with described valve core case by being connected block, oil transportation through hole is provided with in described valve body, one-way non-return plate is provided with in described oil transportation through hole, the center of described oil transportation through hole is provided with spool chamber, spool is provided with in described spool chamber, the top of described spool chamber is provided with hydraulic power chamber, dividing plate is provided with between described hydraulic power chamber and described spool chamber, boosting cylinder is provided with in described hydraulic power chamber, driving shaft is provided with in described boosting cylinder, described driving shaft is provided with blade, described driving shaft is fixedly connected with described spool through described dividing plate, the bottom of described spool is rotatably connected in described valve body by driven shaft, described boosting cylinder is by in-line and outlet line connecting fluid compressing cylinder, described hydraulic jack is positioned at described dust guard and described connecting plate.
2. a kind of oil field according to claim 1 hydraulic swing plug valve, is characterized in that: described flange plate is provided with stiffening rib with described linking between block.
3. a kind of oil field according to claim 1 hydraulic swing plug valve, is characterized in that: described oil transportation through hole is provided with filter screen.
4. a kind of oil field according to claim 1 hydraulic swing plug valve, is characterized in that: be provided with seal ring between described dividing plate and described spool chamber.
5. a kind of oil field according to claim 1 hydraulic swing plug valve, is characterized in that: the outer surface of described hydraulic jack is provided with warming plate.
6. a kind of oil field according to claim 1 hydraulic swing plug valve, is characterized in that: described in-line is provided with control valve.
7. a kind of oil field according to claim 1 hydraulic swing plug valve, is characterized in that: described indicator board is provided with pointer and number of turns display window, described pointer is positioned at the center of described indicator board, and the surrounding of described pointer is evenly provided with bar.
8. a kind of oil field according to claim 1 hydraulic swing plug valve, it is characterized in that: described one-way non-return plate comprises fixed support and one-way guide flow plate, one end of described one-way guide flow plate is connected on described fixed support by axis of rotation, the center of described one-way guide flow plate is provided with flexible rod, the other end of described flexible rod is fixedly connected on described fixed support, is connected between adjacent two described rotating shafts by synchronizing bar.
9. a kind of oil field according to claim 8 hydraulic swing plug valve, is characterized in that: the corner of described one-way guide flow plate is a, the scope of described corner a is 0 ° ~ 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555091.5A CN104373623A (en) | 2014-10-17 | 2014-10-17 | Hydraulic plug valve for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555091.5A CN104373623A (en) | 2014-10-17 | 2014-10-17 | Hydraulic plug valve for oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104373623A true CN104373623A (en) | 2015-02-25 |
Family
ID=52552707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410555091.5A Pending CN104373623A (en) | 2014-10-17 | 2014-10-17 | Hydraulic plug valve for oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104373623A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591584A (en) * | 2018-05-31 | 2018-09-28 | 温州大学 | A kind of Piexoelectric actuator of control rotary valve |
| CN110307349A (en) * | 2019-07-11 | 2019-10-08 | 无锡市爱德阀业股份有限公司 | A kind of anti-down streaming butterfly valve |
-
2014
- 2014-10-17 CN CN201410555091.5A patent/CN104373623A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591584A (en) * | 2018-05-31 | 2018-09-28 | 温州大学 | A kind of Piexoelectric actuator of control rotary valve |
| CN108591584B (en) * | 2018-05-31 | 2024-04-12 | 温州大学 | Piezoelectric driving device for controlling rotary valve |
| CN110307349A (en) * | 2019-07-11 | 2019-10-08 | 无锡市爱德阀业股份有限公司 | A kind of anti-down streaming butterfly valve |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150225 |
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| WD01 | Invention patent application deemed withdrawn after publication |