CN104500824A - Intelligent valve actuator - Google Patents
Intelligent valve actuator Download PDFInfo
- Publication number
- CN104500824A CN104500824A CN201410821424.4A CN201410821424A CN104500824A CN 104500824 A CN104500824 A CN 104500824A CN 201410821424 A CN201410821424 A CN 201410821424A CN 104500824 A CN104500824 A CN 104500824A
- Authority
- CN
- China
- Prior art keywords
- chassis
- travel
- mounting base
- detecting switch
- ing rest
- 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.)
- Granted
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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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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
- F16K37/0025—Electrical or magnetic means
Abstract
The invention discloses an intelligent valve actuator. The intelligent valve actuator comprises an actuator mounting base, wherein a driving motor and a display screen are arranged on the mounting base, the driving motor drives a regulating screw rod to perform forward and reverse rotation through a transmission gear, the regulating screw rod drives a valve rod to move up and down, a movable support is further arranged on the mounting base, the regulating screw rod is cooperated with the transmission gear through a regulating thread on a rod body to drive the movable support to lift, the regulating screw rod is fixed with the movable support in a position-limiting manner through a position-limiting support, the movable support comprises a base plate A, a base plate B and a base plate C, which are fixed through connecting columns, a belleville spring group is arranged between the mounting base and the base plate C of the movable support, and a stroke detection device and a stroke position-limiting device are arranged on the movable support. The intelligent valve actuator disclosed by the invention can effectively solve the problem that an existing actuator judges the degree of opening of a valve by lifting height of the regulating screw rod, and further effectively solve the problems that after stroke detection fails, the motor still operates and when a limit position is achieved, the gear and the motor of the actuator are likely to be damaged or worn, the precision and the service life of the actuator are reduced, and the actuator may be seriously damaged.
Description
Technical field
The present invention relates to valve arrangement technical field, be specifically related to a kind of intelligent valve final controlling element.
Background technique
Valve is in fluid system, be used for controlling the direction of fluid, pressure, flow device be the medium in pipe arrangement and equipment (liquid, gas, powder) is flowed or stops and the device of its flow can be controlled.The purposes of valve is widely, and therefore its role is also very large, and final controlling element is as the indispensable parts of control valve, and final controlling element is actuator in automatic control system and control valve assemblying body.Its effect in automatic control system accepts the signal that self tuning regulator sends, with its position at process pipeline and characteristic, the flow of adjusting process medium, thus by controlled numerical control in the scope required by production process, when existing final controlling element runs, usually the aperture of valve is judged by the adjustable height of screw mandrel, not only can not react the aperture of valve intuitively, and precision is also poor, especially exquisite system is required for aperture, existing final controlling element can not meet high-precision requirement, and once stroke lost efficacy, motor can run always, when arriving summit, easily final controlling element gear and motor are damaged or wearing and tearing, reduce final controlling element precision and life-span, seriously final controlling element may be damaged.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of valve actuator arranging position-limit mechanism, the present invention not only efficiently solves existing final controlling element by the aperture by regulating the adjustable height of screw mandrel to judge valve, and after efficiently solving stroke detection inefficacy, operate at motor always, when reaching restriction position, easily final controlling element gear and motor are damaged or wearing and tearing, reduce final controlling element precision and life-span, seriously may damage the problem of final controlling element.
The present invention is achieved through the following technical solutions:
A kind of intelligent valve final controlling element, comprise final controlling element mounting base (1), mounting base (1) is provided with drive motor (2), display screen (11), drive motor (2) drives adjusting screw (4) positive and negative rotation by driving gear (3), screw mandrel (4) band ovable valve stem is regulated to move up and down, it is characterized in that: described mounting base (1) is also provided with travel(l)ing rest (5), regulating screw mandrel (4) to be coordinated with driving gear (3) by the adjustment screw thread on the body of rod drives travel(l)ing rest (5) to be elevated, regulate screw mandrel (4) spacing fixing by limiting bracket (6) and travel(l)ing rest (5), described travel(l)ing rest (5) comprises A chassis (51), B chassis (52), C chassis (53), A chassis (51), B chassis (52), fixed by attachment post (7) between C chassis (53), butterfly spring group (10) is provided with between the C chassis (53) of mounting base (1) and travel(l)ing rest (5), travel(l)ing rest (5) is provided with device for detecting distance of travel (8), run distance caging device (9),
Described device for detecting distance of travel (8) comprises spur rack (81), gear (82) and angle transducer (83), gear (82) and spur rack (81) engagement driving, the central shaft (85) that gear (82) is arranged by fixed support (84) and angle transducer (83) synchronous axial system, angle transducer (83) is electrically connected with display screen (11);
Described run distance caging device (9) comprises upper limit detecting switch (91), lower limit detecting switch (92), and upper limit detecting switch (91), lower limit detecting switch (92) are fixedly connected with mounting base (1) by mounting bracket (12).
The further Technological improvement plan of the present invention is:
Gear (82), the angle transducer (83) of described device for detecting distance of travel (8) are fixedly connected with A chassis (51) upper surface on travel(l)ing rest (5) top by fixed support (84), and spur rack (81) is fixedly connected with A chassis (51) upper surface by fastening piece (84).
The further Technological improvement plan of the present invention is:
The upper limit detecting switch (91) of described run distance caging device (9), lower limit detecting switch (92) are arranged at top and the bottom on B chassis (52) respectively, and the contact head of upper limit detecting switch (91), lower limit detecting switch (92) is connected with B chassis (52) EDGE CONTACT.
The further Technological improvement plan of the present invention is:
Described limiting bracket (6) comprises one group of cylindrical guides (61) Symmetrical vertical and is arranged at adjustment screw mandrel (4) both sides, fixed by spacing contiguous block (62) between cylindrical guides (61), the square spacing hole (63) that spacing contiguous block (62) is arranged by middle part mates fixing with the squared ends of adjustment screw mandrel (4).
The present invention compared with prior art, has following obvious advantage:
One, the present invention is by arranging stroke detection mechanism at travel(l)ing rest top, and by angle transducer, transmission data is directly passed to video terminal, not only significantly improves the intuitive of valve opening data, and improves the control accuracy of valve opening.
Two, the present invention arranges the spacing detecting switch of upper and lower in the upper and lower part, travel(l)ing rest chassis of existing final controlling element, when stroke detection mechanism operation is transfinited, when travel(l)ing rest runs to specified position under screw mandrel drives, touch corresponding spacing detecting switch, control the rotation of motor, not only increase the control valve rod precision of final controlling element, extend the working life of final controlling element, and also save the labor intensity of operating personnel
Three, the present invention is by arranging limiting bracket, the not transmission with gear transmission of fixing screw mandrel in adjustment screw mandrel both sides, thus drives the elevating movement of travel(l)ing rest, thus coordinates position-limit mechanism, feeler mechanism's operation.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present invention;
Fig. 2 is structural scheme of mechanism two of the present invention;
Fig. 3 is the spacing connecting block structure schematic diagram of the present invention.
Embodiment
As Fig. 1, 2, shown in 3, the present invention includes final controlling element mounting base 1, mounting base 1 is provided with drive motor 2, display screen 11, drive motor 2 drives the positive and negative rotation of adjusting screw 4 by driving gear 3, screw mandrel 4 is regulated to be with ovable valve stem to move up and down, described mounting base 1 is also provided with travel(l)ing rest 5, regulating screw mandrel 4 to be coordinated with driving gear 3 by the adjustment screw thread on the body of rod drives travel(l)ing rest 5 to be elevated, regulate screw mandrel 4 spacing fixing by limiting bracket 6 and travel(l)ing rest 5, described travel(l)ing rest 5 comprises A chassis 51, B chassis 52, C chassis 53, A chassis 51, B chassis 52, fixed by attachment post 7 between C chassis 53, butterfly spring group 10 is provided with between the C chassis 53 of mounting base 1 and travel(l)ing rest 5, travel(l)ing rest 5 is provided with device for detecting distance of travel 8, run distance caging device 9,
Described device for detecting distance of travel 8 comprises spur rack 81, gear 82 and angle transducer 83, gear 82 and spur rack 81 engagement driving, central shaft 85 and angle transducer 83 synchronous axial system that gear 82 is arranged by fixed support 84, angle transducer 83 is electrically connected with display screen 11;
Described run distance caging device 9 comprises upper limit detecting switch 91, lower limit detecting switch 92, and upper limit detecting switch 91, lower limit detecting switch 92 are fixedly connected with mounting base 1 by mounting bracket 12.
Gear 82, the angle transducer 83 of described device for detecting distance of travel 8 are fixedly connected with A chassis 51 upper surface on travel(l)ing rest 5 top by fixed support 84, and spur rack 81 is fixedly connected with A chassis 51 upper surface by fastening piece 84.
The upper limit detecting switch 91 of described run distance caging device 9, lower limit detecting switch 92 are arranged at top and the bottom on B chassis 52 respectively, and the contact head of upper limit detecting switch 91, lower limit detecting switch 92 is connected with B chassis 52 EDGE CONTACT.
Described limiting bracket 6 comprises one group of cylindrical guides 61 Symmetrical vertical and is arranged at adjustment screw mandrel 4 both sides, fixed by spacing contiguous block 62 between cylindrical guides 61, the square spacing hole 63 that spacing contiguous block 62 is arranged by middle part mates fixing with the squared ends of adjustment screw mandrel 4.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned mode of execution, also comprises the technological scheme be made up of above technical characteristics combination in any.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (4)
1. an intelligent valve final controlling element, comprise final controlling element mounting base (1), mounting base (1) is provided with drive motor (2), display screen (11), drive motor (2) drives adjusting screw (4) positive and negative rotation by driving gear (3), screw mandrel (4) band ovable valve stem is regulated to move up and down, it is characterized in that: described mounting base (1) is also provided with travel(l)ing rest (5), regulating screw mandrel (4) to be coordinated with driving gear (3) by the adjustment screw thread on the body of rod drives travel(l)ing rest (5) to be elevated, regulate screw mandrel (4) spacing fixing by limiting bracket (6) and travel(l)ing rest (5), described travel(l)ing rest (5) comprises A chassis (51), B chassis (52), C chassis (53), A chassis (51), B chassis (52), fixed by attachment post (7) between C chassis (53), butterfly spring group (10) is provided with between the C chassis (53) of mounting base (1) and travel(l)ing rest (5), travel(l)ing rest (5) is provided with device for detecting distance of travel (8), run distance caging device (9),
Described device for detecting distance of travel (8) comprises spur rack (81), gear (82) and angle transducer (83), gear (82) and spur rack (81) engagement driving, the central shaft (85) that gear (82) is arranged by fixed support (84) and angle transducer (83) synchronous axial system, angle transducer (83) is electrically connected with display screen (11);
Described run distance caging device (9) comprises upper limit detecting switch (91), lower limit detecting switch (92), and upper limit detecting switch (91), lower limit detecting switch (92) are fixedly connected with mounting base (1) by mounting bracket (12).
2. a kind of intelligent valve final controlling element according to claim 1, it is characterized in that: gear (82), the angle transducer (83) of described device for detecting distance of travel (8) are fixedly connected with A chassis (51) upper surface on travel(l)ing rest (5) top by fixed support (84), and spur rack (81) is fixedly connected with A chassis (51) upper surface by fastening piece (84).
3. a kind of intelligent valve final controlling element according to claim 1 and 2, it is characterized in that: the upper limit detecting switch (91) of described run distance caging device (9), lower limit detecting switch (92) are arranged at top and the bottom on B chassis (52) respectively, the contact head of upper limit detecting switch (91), lower limit detecting switch (92) is connected with B chassis (52) EDGE CONTACT.
4. a kind of intelligent valve final controlling element according to claim 1 and 2, it is characterized in that: described limiting bracket (6) comprises one group of cylindrical guides (61) Symmetrical vertical and is arranged at adjustment screw mandrel (4) both sides, fixed by spacing contiguous block (62) between cylindrical guides (61), the square spacing hole (63) that spacing contiguous block (62) is arranged by middle part mates fixing with the squared ends of adjustment screw mandrel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821424.4A CN104500824B (en) | 2014-12-26 | 2014-12-26 | A kind of intelligent valve executor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821424.4A CN104500824B (en) | 2014-12-26 | 2014-12-26 | A kind of intelligent valve executor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500824A true CN104500824A (en) | 2015-04-08 |
| CN104500824B CN104500824B (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410821424.4A Expired - Fee Related CN104500824B (en) | 2014-12-26 | 2014-12-26 | A kind of intelligent valve executor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500824B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226046A (en) * | 2016-07-12 | 2016-12-14 | 中国矿业大学 | A kind of poppet spool valve vibration test system and method |
| CN107013734A (en) * | 2017-06-02 | 2017-08-04 | 陈丽端 | Electrically operated valve opens and closes protection device |
| CN108030966A (en) * | 2018-02-05 | 2018-05-15 | 赵明洁 | A kind of intelligence thoracic duction instrument |
| CN113756971A (en) * | 2021-09-02 | 2021-12-07 | 宁波协诚电动工具有限公司 | Electric actuator gear wear control method and device and electric actuator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0005016A1 (en) * | 1978-04-04 | 1979-10-31 | Rotork Limited | An electric switch control unit, more particularly for electric motor driven actuators |
| CN2242474Y (en) * | 1995-01-11 | 1996-12-11 | 刘吉旺 | Mechanism for telling the position of straight-movement electric actuator |
| EP1279876A1 (en) * | 2001-07-25 | 2003-01-29 | McIntosh, Douglas S | Actuator for control valves |
| CN201258999Y (en) * | 2008-08-01 | 2009-06-17 | 常州电站辅机总厂有限公司 | Adjustment straight-stroke valve actuator |
| CN202599384U (en) * | 2012-05-04 | 2012-12-12 | 芜湖恒隆汽车转向系统有限公司 | Detector for jerk value of gear rack meshing |
| CN103411011A (en) * | 2013-07-15 | 2013-11-27 | 济南大学 | Intelligent linear stroke electric actuating mechanism |
| CN204477463U (en) * | 2014-12-26 | 2015-07-15 | 沃尔达环境技术江苏股份有限公司 | A kind of intelligent valve final controlling element |
-
2014
- 2014-12-26 CN CN201410821424.4A patent/CN104500824B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0005016A1 (en) * | 1978-04-04 | 1979-10-31 | Rotork Limited | An electric switch control unit, more particularly for electric motor driven actuators |
| CN2242474Y (en) * | 1995-01-11 | 1996-12-11 | 刘吉旺 | Mechanism for telling the position of straight-movement electric actuator |
| EP1279876A1 (en) * | 2001-07-25 | 2003-01-29 | McIntosh, Douglas S | Actuator for control valves |
| CN201258999Y (en) * | 2008-08-01 | 2009-06-17 | 常州电站辅机总厂有限公司 | Adjustment straight-stroke valve actuator |
| CN202599384U (en) * | 2012-05-04 | 2012-12-12 | 芜湖恒隆汽车转向系统有限公司 | Detector for jerk value of gear rack meshing |
| CN103411011A (en) * | 2013-07-15 | 2013-11-27 | 济南大学 | Intelligent linear stroke electric actuating mechanism |
| CN204477463U (en) * | 2014-12-26 | 2015-07-15 | 沃尔达环境技术江苏股份有限公司 | A kind of intelligent valve final controlling element |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226046A (en) * | 2016-07-12 | 2016-12-14 | 中国矿业大学 | A kind of poppet spool valve vibration test system and method |
| CN106226046B (en) * | 2016-07-12 | 2019-03-26 | 中国矿业大学 | A kind of poppet spool valve vibration test system and method |
| CN107013734A (en) * | 2017-06-02 | 2017-08-04 | 陈丽端 | Electrically operated valve opens and closes protection device |
| CN107013734B (en) * | 2017-06-02 | 2023-08-25 | 陈丽端 | Electric valve opening and closing protector |
| CN108030966A (en) * | 2018-02-05 | 2018-05-15 | 赵明洁 | A kind of intelligence thoracic duction instrument |
| CN108030966B (en) * | 2018-02-05 | 2020-10-27 | 张福帅 | Intelligent thoracic drainage device |
| CN113756971A (en) * | 2021-09-02 | 2021-12-07 | 宁波协诚电动工具有限公司 | Electric actuator gear wear control method and device and electric actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104500824B (en) | 2016-12-07 |
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Effective date of registration: 20170224 Address after: Jiangdong Road Jianye District of Nanjing City, Jiangsu province 210019 C Wanda Center No. 108 Room 501 Patentee after: Jiangsu Wo Hui Industrial Technology Group Limited Address before: 223900 Suqian city of Jiangsu province Shuang'gou Sihong Economic Development Zone No. 88 West Road Patentee before: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20181226 |