CN206487922U - A kind of pneumatic actuator for realizing Discrete control - Google Patents
A kind of pneumatic actuator for realizing Discrete control Download PDFInfo
- Publication number
- CN206487922U CN206487922U CN201621395373.4U CN201621395373U CN206487922U CN 206487922 U CN206487922 U CN 206487922U CN 201621395373 U CN201621395373 U CN 201621395373U CN 206487922 U CN206487922 U CN 206487922U
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- Prior art keywords
- valve
- way
- mouths
- bit triplet
- mechanical
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- 238000001914 filtration Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model is related to a kind of pneumatic actuator for realizing Discrete control, and source of the gas, with three reduction of fractions to a common denominator two-way, connects the P mouths of 3-position-3-way mechanical valve, the P mouths of another road connection two-bit triplet magnetic valve II all the way by filtering pressure reducing valve；The A mouths of 3-position-3-way mechanical valve connect the only port of check valve I with three reduction of fractions to a common denominator two-way, all the way, another road connection check valve II can port, check valve can port connection two-bit triplet magnetic valve II R mouths；The P mouths of the only port connection two-bit triplet magnetic valve I of check valve II；The A mouths of two-bit triplet magnetic valve I connect the A mouths of single-acting cylinder, the A mouths of another road connection two-bit triplet magnetic valve II all the way with three reduction of fractions to a common denominator two-way；Mechanical linkage is connected with 3-position-3-way mechanical valve mechanical lever and single-acting cylinder cylinder rod respectively.On common single-acting cylinder, two formula cylinders are controlled to realize the control of intermediate point with pneumatic element and mechanical linkage, and intermediate point can arbitrarily be set between the position of the switch, solve water hammer.
Description
Technical field
The utility model is related to a kind of pneumatic actuator, more particularly to a kind of pneumatic execution machine for realizing Discrete control
Structure.Discrete control pneumatic actuator driving gate valve, ball valve, butterfly valve etc. are combined into pneumatic control valve, are widely used in oil row
The filling pneumatic control valve in industry irrigated area.
Background technology
At present, in some particular field ore deposits in the fields such as electric power, oil and chemical industry, many industrial and minerals require the valve of pneumatic control
Door a little pauses in specified during opening and closing, waits instruction to complete overall process, especially petroleum industry irrigated area is filling
Pipeline right angle pipeline is more, and pneumatic control valve once opens the excessive impact pipeline turning of moment flow and causes water hammer, more needs to make
With the valve for wanting Discrete control pneumatic actuator to control.
Prior art is together in series using two common single-acting cylinders, for reaching the control of intermediate point, and middle
Point must be set by factory, and mechanism is complicated, cost is high.
The content of the invention
In view of the deficiency that market needs and prior art is present, the utility model provides a kind of gas for realizing Discrete control
Dynamic executing agency, the characteristic that can be arbitrarily adjusted using Discrete control pneumatic actuator centre position first opens small valve position
Allow fluid to fill clear way valve position large flow fluid after straight length and water hammer is solved by pipeline.
To achieve the above object, the technical scheme used is the utility model：It is a kind of to realize that the pneumatic of Discrete control is held
Row mechanism, including filtering pressure reducing valve, 3-position-3-way mechanical valve, mechanical linkage, single-acting cylinder, check valve I, check valve II, two
Position-3-way solenoid valve I, two-bit triplet magnetic valve II, it is characterised in that：Source of the gas by filtering pressure reducing valve with three reduction of fractions to a common denominator two-way, all the way
Connect the P mouths of 3-position-3-way mechanical valve, the P mouths of another road connection two-bit triplet magnetic valve II；The A mouths of 3-position-3-way mechanical valve are used
Three reduction of fractions to a common denominator two-way, connect the only port of check valve I all the way, another road connection check valve II can port, check valve I can port connect
Connect the R mouths of two-bit triplet magnetic valve II；The P mouths of the only port connection two-bit triplet magnetic valve I of check valve II；Two-bit triplet electromagnetism
The A mouths of valve I connect the A mouths of single-acting cylinder, the A mouths of another road connection two-bit triplet magnetic valve II all the way with three reduction of fractions to a common denominator two-way；
Mechanical linkage is connected with 3-position-3-way mechanical valve mechanical lever and single-acting cylinder cylinder rod respectively.
The beneficial effects of the utility model are：On common single-acting cylinder, with pneumatic element and mechanical linkage control two
Position formula cylinder realizes the control of intermediate point, and intermediate point can arbitrarily be set between the position of the switch, solve water hammer.Structure
Simply, reliably, cost it is low, work long lifespan, be mainly used in valve driving.
Brief description of the drawings
Fig. 1 is gas circuit connection diagram of the present utility model.
Embodiment
As shown in figure 1, a kind of pneumatic actuator for realizing Discrete control, including filtering pressure reducing valve 1,3-position-3-way machinery
Valve 2, mechanical linkage 3, single-acting cylinder 4, check valve I 5, check valve II 6, two-bit triplet magnetic valve I 7, two-bit triplet magnetic valve
Ⅱ8。
Source of the gas, with three reduction of fractions to a common denominator two-way, connects the P mouths of 3-position-3-way mechanical valve 2 all the way by filtering pressure reducing valve 1, and another road connects
Connect the P mouths of two-bit triplet magnetic valve II 8；The A mouths of 3-position-3-way mechanical valve 2 connect check valve I 5 all the way with three reduction of fractions to a common denominator two-way
Only port, another road connection check valve II 6 can port, check valve I 5 can port connection two-bit triplet magnetic valve II 8 R mouths；
The P mouths of the only port connection two-bit triplet magnetic valve I 7 of check valve II 6；The A mouths of two-bit triplet magnetic valve I 7 with three reduction of fractions to a common denominator two-way,
The A mouths of single-acting cylinder 4, the A mouths of another road connection two-bit triplet magnetic valve II 8 are connected all the way；Mechanical linkage 3 respectively with three
The mechanical lever of threeway mechanical valve 2 and the connection of the cylinder rod of single-acting cylinder 4.
The course of work：
Start：The coil magnetization of two-bit triplet magnetic valve I 7,7P mouthfuls of two-bit triplet magnetic valve I is turned on A mouthfuls, and pressure gas source leads to
P mouthfuls and A mouthfuls of conductings are crossed, pressure gas source enters the A mouths of single-acting cylinder 4, and single-acting cylinder 4 is moved to the direction opened.
Stop over：The mechanical lever for the connection 3-position-3-way of mechanical linkage 3 mechanical valve 2 that single-acting cylinder 4 links, drives three
Threeway mechanical valve 2 commutates to centre position, close 3-position-3-way mechanical valve 2 P mouths, R mouthfuls and A mouthfuls, single-acting cylinder 4 loses pressure
The stop motion of strength source.
Restart：The coil magnetization of two-bit triplet magnetic valve II 8, the P mouths of two-bit triplet magnetic valve II 8 and A mouthfuls of conductings, pressure gas
Source is by P mouthfuls and A mouthfuls of conductings, and pressure gas source enters single-acting cylinder A mouths 4, and it is straight that single-acting cylinder 4 continues motion to the direction opened
To standard-sized sheet.
Reach：The mechanical lever of the connection 3-position-3-way of mechanical linkage 3 mechanical valve 2 that now single-acting cylinder 4 links, driving three
Position threeway mechanical valve 2 commutates, and makes P mouthfuls of shut-offs, A, R mouthfuls of conductings.
Return starts：The coil loss of excitation of two-bit triplet magnetic valve II 8, the A mouths of two-bit triplet magnetic valve II 8 and R mouthfuls of conductings, it is single
Pressure gas source in active cylinder A mouths 4 by the A mouths of two-bit triplet magnetic valve II 8 and R mouthful, by check valve 5 can port, it is logical
To 3-position-3-way mechanical valve 2, through A, R mouthfuls of discharges, single-acting cylinder 4 is moved to the direction of pass.
Return stop over：The mechanical lever of the connection 3-position-3-way of mechanical linkage 3 mechanical valve 2 that single-acting cylinder 4 links, driving three
Position threeway mechanical valve 2 commutates to centre position, close 3-position-3-way mechanical valve 2 P mouths, R mouthfuls and A mouthfuls, single-acting cylinder 4 loses
Pressure gas source stop motion.
Stop over is restarted：The coil loss of excitation of two-bit triplet magnetic valve I 7,7A mouthfuls of two-bit triplet magnetic valve I is turned on R mouthfuls.Single-acting
Pressure gas source in cylinder A mouths 4 is discharged by the A mouths of two-bit triplet magnetic valve I 7 with R mouthful, direction from single-acting cylinder 4 to pass
Motion is until fully closed, and return is reached.
Claims (1)
1. a kind of pneumatic actuator for realizing Discrete control, including filtering pressure reducing valve（1）, 3-position-3-way mechanical valve（2）, machinery
Connecting rod（3）, single-acting cylinder（4）, check valve I（5）, check valve II（6）, two-bit triplet magnetic valve I（7）, two-bit triplet electromagnetism
Valve II（8）, it is characterised in that：Source of the gas passes through filtering pressure reducing valve（1）With three reduction of fractions to a common denominator two-way, 3-position-3-way mechanical valve is connected all the way
（2）P mouths, another road connection two-bit triplet magnetic valve II（8）P mouths；3-position-3-way mechanical valve（2）A mouths with three reduction of fractions to a common denominators two
Road, connects check valve I all the way（5）Only port, another road connects check valve II（6）Can port, check valve I（5）Can port
Connect two-bit triplet magnetic valve II（8）R mouths；Check valve II（6）Only port connection two-bit triplet magnetic valve I（7）P mouths；
Two-bit triplet magnetic valve I（7）A mouths with three reduction of fractions to a common denominator two-way, single-acting cylinder is connected all the way（4）A mouths, another road connects two
Three-way magnetic valve II（8）A mouths；Mechanical linkage（3）Respectively with 3-position-3-way mechanical valve（2）Mechanical lever and single-acting cylinder
（4）Cylinder rod is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395373.4U CN206487922U (en) | 2016-12-19 | 2016-12-19 | A kind of pneumatic actuator for realizing Discrete control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395373.4U CN206487922U (en) | 2016-12-19 | 2016-12-19 | A kind of pneumatic actuator for realizing Discrete control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487922U true CN206487922U (en) | 2017-09-12 |
Family
ID=59770875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621395373.4U Expired - Fee Related CN206487922U (en) | 2016-12-19 | 2016-12-19 | A kind of pneumatic actuator for realizing Discrete control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206487922U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657275A (en) * | 2019-09-29 | 2020-01-07 | 焦作大学 | Electromagnetic valve control system and control method for water hammer prevention |
| CN111102392A (en) * | 2018-10-26 | 2020-05-05 | 杭州三花研究院有限公司 | Control system and control method of electric valve |
-
2016
- 2016-12-19 CN CN201621395373.4U patent/CN206487922U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102392A (en) * | 2018-10-26 | 2020-05-05 | 杭州三花研究院有限公司 | Control system and control method of electric valve |
| CN111102392B (en) * | 2018-10-26 | 2022-01-11 | 浙江三花智能控制股份有限公司 | Control system and control method of electric valve |
| CN110657275A (en) * | 2019-09-29 | 2020-01-07 | 焦作大学 | Electromagnetic valve control system and control method for water hammer prevention |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200605 Address after: 300384 in Tianjin Binhai Huayuan Industrial Zone (outer ring) Haitai development two Road No. 1 Patentee after: ZHONGHUAN TIG Co.,Ltd. Address before: 300384 in Tianjin Binhai Huayuan Industrial Park Ring Road No. 18 building A, off the coast of Thailand Patentee before: TIANJIN JINGTONG CONTROL INSTRUMENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |