CN106151658B - A kind of combined type nesting oil cylinder valve actuator - Google Patents
A kind of combined type nesting oil cylinder valve actuator Download PDFInfo
- Publication number
- CN106151658B CN106151658B CN201510194156.2A CN201510194156A CN106151658B CN 106151658 B CN106151658 B CN 106151658B CN 201510194156 A CN201510194156 A CN 201510194156A CN 106151658 B CN106151658 B CN 106151658B
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- hydraulic
- cylinder
- valve
- hydraulic cylinder
- oil
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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
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/124—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston servo actuated
- F16K31/1245—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston servo actuated with more than one valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention belongs to a kind of valve fluid pressure drive devices, and in particular to a kind of linear gas-liquid linked valve actuator suitable for quick emergency closing function can be achieved under harsh environment.A kind of combined type nesting oil cylinder valve actuator, including hydraulic pressure cylinder assembly, are arranged piston rod among hydraulic pressure cylinder assembly, and electrical and instrument box and motor hydraulic pump are arranged on hydraulic pressure cylinder assembly side wall.The present invention remarkable result be：For this kind of application, structure need to be simplified, thus the design of compact generates.By the invention it is possible to realize that this kind of special operation condition lower valve driving device structure is compact, anti-seismic performance is superior, and the function of valve rapid-closing can be provided, to ensure the functional reliability under accident conditions to greatest extent.
Description
Technical field
The invention belongs to a kind of valve fluid pressure drive devices, and in particular to one kind is suitable for can be achieved under harsh environment quick
The linear gas-liquid linked valve actuator of emergency closing function.
Background technology
Hydraulic-driven technology is widely used in valve actuator, its advantage is that thrust output is big and is resisting valve
Stable runnability is provided under operating force.Meanwhile by special design, fluid pressure drive device can also provide adjusting, tight
The valves control function such as anxious quick closedown.
Sluice valve-type is belonged to for some special application fields, such as large power plant main steam isolation valve, valve mechanism
Formula, bore are big, it is desirable that power output it is high, and require to be designed with security function：Under emergency episode operating mode, driving device should provide
The function of quick closedown in valve 5 seconds.
Fluid pressure drive device is the functional requirement for meeting above-mentioned operating mode quick closedown, needs to be equipped with a set of energy storage equipment to carry
For huge energy.Accumulating mechanism can use spring, can also use compressed gas.Conventional product is knockdown design, liquid
Cylinder pressure is connected with energy storage equipment with pipeline, and complicated structure, huge volume and weight make valve actuator be difficult to meet ground
Shake the security function under accident conditions.
Invention content
The purpose of the present invention is to provide a kind of gas-liquid linked linear valve driving device structures of compact quick closing valve, realize
The function of urgent quick closedown under accident conditions.
The invention is realized in this way：A kind of combined type nesting oil cylinder valve actuator, including hydraulic pressure cylinder assembly, in liquid
Piston rod is set among cylinder pressure component, electrical and instrument box and motor hydraulic pump are set on hydraulic pressure cylinder assembly side wall.
A kind of a kind of combined type nesting oil cylinder valve actuator as described above, wherein the nested oil of combined type
Cylinder valve door drive further includes the hydraulic valve block component being arranged on hydraulic pressure cylinder assembly side wall, small accumulator, wherein hydraulic valve
Block assembly is connected with small accumulator, and hydraulic pressure cylinder assembly includes inside and outside three layers, i.e. hydraulic cylinder outer layer, hydraulic cylinder middle level, hydraulic cylinder
Internal layer, hydraulic cylinder middle level are connected to hydraulic cylinder internal layer, piston rod be arranged in hydraulic cylinder internal layer, the piston head on piston rod top with
Hydraulic cylinder internal layer keeps slidable close connection, and hydraulic oil is arranged in hydraulic cylinder middle level, is arranged in hydraulic cylinder internal layer and compresses
Gas, hydraulic oil and compressed gas are isolated by the piston head of piston rod, and hydraulic valve block component is connected to hydraulic cylinder middle level, and can be with
Control hydraulic oil inlet.
A kind of combined type nesting oil cylinder valve actuator as described above, wherein the hydraulic pressure cylinder assembly passes through spiral shell
Bolt is fixedly connected with valve rack upper flange, and piston rod is connected with external valve rod.
The present invention remarkable result be：For this kind of application, structure need to be simplified, thus the design of compact generates.Pass through
The present invention, may be implemented that this kind of special operation condition lower valve driving device structure is compact, anti-seismic performance is superior, and can provide valve
The function of quick closedown, to ensure the functional reliability under accident conditions to greatest extent.
Meanwhile through the invention, it is similar with quick closing valve can be also applied to other for compact valve actuator structure
The valve applying working condition of functional requirement.
Description of the drawings
Fig. 1 is a kind of combined type nesting oil cylinder valve actuator appearance schematic diagram provided by the present invention；
Fig. 2 is hydraulic pressure cylinder assembly structure chart.
In figure：1. bolt, 2. hydraulic valve block components, 3. small accumulators, 4. hydraulic pressure cylinder assemblies, 5. electrical and instrument box, 6.
Motor hydraulic pump, 7. hydraulic cylinder outer layers, 8. hydraulic cylinder middle levels, 9. hydraulic cylinder internal layers, 10. piston rods, 11. hydraulic oil, 12. compressions
Gas.
Specific implementation mode
As shown in Figure 1 and Figure 2, a kind of combined type nesting oil cylinder valve actuator, including hydraulic pressure cylinder assembly 4,
Piston rod 10 is set among hydraulic pressure cylinder assembly 4, electrical and instrument box 5 and motor hydraulic pump are set on 4 side wall of hydraulic pressure cylinder assembly
6。
A kind of combined type nesting oil cylinder valve actuator, further includes being arranged on 4 side wall of hydraulic pressure cylinder assembly
Hydraulic valve block component 2, small accumulator 3, wherein hydraulic valve block component 2 and small accumulator 3 connect, during hydraulic pressure cylinder assembly 4 includes interior
Outer three layers, i.e. hydraulic cylinder outer layer 7, hydraulic cylinder middle level 8, hydraulic cylinder internal layer 9, hydraulic cylinder middle level 8 is connected to hydraulic cylinder internal layer 9, living
Stopper rod 10 is arranged in hydraulic cylinder internal layer 9, and piston head and the hydraulic cylinder internal layer 9 on 10 top of piston rod keep slidably closely connecting
It connects, hydraulic oil 11 is set in hydraulic cylinder middle level 8, compressed gas 12, hydraulic oil 11 and compressed gas are set in hydraulic cylinder internal layer 9
12 are isolated by the piston head of piston rod 10, and hydraulic valve block component 2 is connected to hydraulic cylinder middle level 8, and can control hydraulic oil 11 into
Enter amount.
The hydraulic pressure cylinder assembly 4 is fixedly connected by bolt 1 with valve rack upper flange, piston rod 10 and external valve
Bar is connected.
Driving device open when, can by motor drive hydraulic pump inner layer hydraulic cylinder cavity of resorption hydraulic oil punching press, when gram
When taking valve resistance and epicoele air pressure, you can realize the unlatching of driving valve；The small accumulator being arranged is used for maintaining valve wide open
When internal system pressure.When opening control cavity of resorption oil circuit drain valve in quick closing valve valve block, due to by middle level preliminary filling compressed gas
Effect, the hydraulic oil of hydraulic cylinder cavity of resorption is quickly discharged to the fuel tank of outer layer, and driving device can drive valve in a short period of time
Door executes quick closedown action, and valve can be kept to be in closed position under the influence of air pressure.
Such three-layer-liquid cylinder pressure design, simplifies structure, makes compact overall structure, and reduce component to the maximum extent
Between connection, significantly reduce weight, improve whole anti-seismic performance.Meanwhile simple in structure, the possibility drop of failure
It is low.
Claims (2)
1. a kind of combined type nesting oil cylinder valve actuator, it is characterised in that：Including hydraulic pressure cylinder assembly (4), in hydraulic cylinder group
Setting piston rod (10) among part (4), is arranged electrical and instrument box (5) and motor hydraulic pump on hydraulic pressure cylinder assembly (4) side wall
(6)；
A kind of combined type nesting oil cylinder valve actuator further includes the liquid being arranged on hydraulic pressure cylinder assembly (4) side wall
Pressure valve block assembly (2), small accumulator (3), wherein hydraulic valve block component (2) and small accumulator (3) connect, hydraulic pressure cylinder assembly (4)
Including inside and outside three layers, i.e. hydraulic cylinder outer layer (7), hydraulic cylinder middle level (8), hydraulic cylinder internal layer (9), hydraulic cylinder middle level (8) and liquid
Cylinder pressure internal layer (9) is connected to, and piston rod (10) is arranged in hydraulic cylinder internal layer (9), the piston head and hydraulic pressure on piston rod (10) top
Cylinder internal layer (9) keeps slidable close connection, the setting hydraulic oil (11) in hydraulic cylinder middle level (8), in hydraulic cylinder internal layer (9)
Compressed gas (12), hydraulic oil (11) and compressed gas (12) is arranged by the piston head of piston rod (10) to be isolated, hydraulic valve block group
Part (2) is connected to hydraulic cylinder middle level (8), and can control hydraulic oil (11) inlet.
2. a kind of combined type nesting oil cylinder valve actuator as described in claim 1, it is characterised in that：The hydraulic cylinder
Component (4) is fixedly connected by bolt (1) with valve rack upper flange, and piston rod (10) is connected with external valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194156.2A CN106151658B (en) | 2015-04-22 | 2015-04-22 | A kind of combined type nesting oil cylinder valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194156.2A CN106151658B (en) | 2015-04-22 | 2015-04-22 | A kind of combined type nesting oil cylinder valve actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106151658A CN106151658A (en) | 2016-11-23 |
| CN106151658B true CN106151658B (en) | 2018-09-28 |
Family
ID=57346443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194156.2A Active CN106151658B (en) | 2015-04-22 | 2015-04-22 | A kind of combined type nesting oil cylinder valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151658B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044557B (en) * | 2016-12-30 | 2023-11-14 | 大连大高阀门股份有限公司 | Gas-liquid linkage driving device suitable for main steam isolation valve |
| CN109822323B (en) * | 2017-11-23 | 2024-06-11 | 中核苏阀科技实业股份有限公司 | Quick dismounting structure of large-scale complicated gas-liquid linkage driving device |
| CN113028084B (en) * | 2021-02-23 | 2022-11-15 | 浙江伯特利科技股份有限公司 | Flat gate valve for oil field |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339752Y (en) * | 2009-01-20 | 2009-11-04 | 苏州道森压力控制有限公司 | Novel valve hydraulic actuator |
| CN201531483U (en) * | 2009-11-05 | 2010-07-21 | 浙江正洲泵阀制造有限公司 | Single-acting fast closing/double-acting boosting hydraulic cylinder |
| CN103206425A (en) * | 2013-04-28 | 2013-07-17 | 扬州核威碟形弹簧制造有限公司 | Multilevel adjustable hydraulic cylinder |
| CN103216665A (en) * | 2012-01-21 | 2013-07-24 | 飞翼股份有限公司 | Hydraulically controlled throttling valve for transporting filling materials |
| US8573606B1 (en) * | 2012-05-22 | 2013-11-05 | Hyundai Motor Company | Shock absorber for vehicle |
| CN204592507U (en) * | 2015-04-22 | 2015-08-26 | 中核苏阀科技实业股份有限公司 | The nested oil cylinder valve door drive of a kind of combined type |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5381161B2 (en) * | 2009-02-27 | 2014-01-08 | 宇部興産機械株式会社 | Die casting machine and die casting method |
-
2015
- 2015-04-22 CN CN201510194156.2A patent/CN106151658B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339752Y (en) * | 2009-01-20 | 2009-11-04 | 苏州道森压力控制有限公司 | Novel valve hydraulic actuator |
| CN201531483U (en) * | 2009-11-05 | 2010-07-21 | 浙江正洲泵阀制造有限公司 | Single-acting fast closing/double-acting boosting hydraulic cylinder |
| CN103216665A (en) * | 2012-01-21 | 2013-07-24 | 飞翼股份有限公司 | Hydraulically controlled throttling valve for transporting filling materials |
| US8573606B1 (en) * | 2012-05-22 | 2013-11-05 | Hyundai Motor Company | Shock absorber for vehicle |
| CN103206425A (en) * | 2013-04-28 | 2013-07-17 | 扬州核威碟形弹簧制造有限公司 | Multilevel adjustable hydraulic cylinder |
| CN204592507U (en) * | 2015-04-22 | 2015-08-26 | 中核苏阀科技实业股份有限公司 | The nested oil cylinder valve door drive of a kind of combined type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106151658A (en) | 2016-11-23 |
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