CN105605285B - A kind of Quick-type part revolution warship marine electric executing agency - Google Patents
A kind of Quick-type part revolution warship marine electric executing agency Download PDFInfo
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- CN105605285B CN105605285B CN201610133286.XA CN201610133286A CN105605285B CN 105605285 B CN105605285 B CN 105605285B CN 201610133286 A CN201610133286 A CN 201610133286A CN 105605285 B CN105605285 B CN 105605285B
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
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Abstract
A kind of Quick-type part revolution warship marine electric executing agency.It is compact-sized to provide one kind, is conveniently operated, the big Quick-type part revolution warship marine electric executing agency of output torque.Include the babinet formed by upper shell and lower housing, the inside of the babinet is equipped with electronic worm and wormwheel component, small teeth number difference planet gear, internal tooth output shaft and output sleeve successively from top to bottom；Further include manual worm gear, manual worm, manual gear, manual gear axis and handwheel, the manual worm gear is located at the top outer shroud of the small teeth number difference planet gear, the manual worm connects the manual worm gear, the manual worm is connect with manual gear, the manual gear is engaged with manual gear axis, and the manual gear axis is connect with handwheel.The present invention can quick acting, reliability it is high, ensure that safety and stability.
Description
Technical field
The present invention relates to the Quick-type part of electric operator more particularly to adjustable output angle stroke revolution naval vessels to use
Electric operator.
Background technology
In recent years, with the continuous improvement of naval vessel up-to-dateness, China's voluntarily many New Marine valves of research and design
Door, such as the kingston valve on naval vessel, these novel valves use new construction, new material, new process.But match with marine valve
The description of the electric device of set is not still complete, and the electric device to match with this kind of valve is also selecting external product.
On certain special naval vessels, due to space, the limitation of weight, active demand is light-weight, size is small, output torque is big electronic holds
Row mechanism.Simultaneously in accident, that valve can be closed in the short time, ensure the operation of warship safety, stabilization.
In order to further ensure the quality of electric operator, warship marine valve and naval vessel is pushed to execute machine with electric valve
Structure domesticizes and autonomy-oriented process, has specially designed and developed the Quick-type part revolution warship marine electric of adjustable output angle stroke
Executing agency solves the mating needs of corollary new kingston valve.
Invention content
The present invention is conveniently operated, the big Quick-type part of output torque in view of the above problems, provide a kind of compact-sized
Turn round warship marine electric executing agency.
The technical scheme is that：Include the babinet formed by upper shell and lower housing, the inside of the babinet is from upper
It arrives down and is equipped with electronic worm and wormwheel component, small teeth number difference planet gear, internal tooth output shaft and output sleeve, the electronic worm gear successively
Worm component includes motor, electronic worm screw and electronic worm gear, and the motor drives electronic worm screw, the electronic worm screw and electronic snail
Wheel connection, the eccentric input shaft of endoporus connection of the electronic worm gear, the lower part of the bias input shaft connects fewer differential teeth planetary tooth
Wheel,
It includes top stepped hole, mesoporous and the lower part circle being sequentially communicated that the internal tooth output shaft, which has through-hole, the through-hole,
Slot, the top stepped hole of the internal tooth output shaft connect the lower part outer shroud of the small teeth number difference planet gear, the output sleeve according to
It secondary lower part circular groove and mesoporous across the internal tooth output shaft and stretches into the stepped hole of top；
The bottom surface of the internal tooth output shaft is equipped with arc-shaped limit block so that the arc-shaped slot in bottom surface side of internal tooth output shaft,
The side of the lower housing is connected through a screw thread equipped with a pair of symmetrical adjustment bolt, and a pair of of adjustment bolt is located at the arc
In shape slot and for contacting the arc-shaped limit block；
Further include manual worm gear, manual worm, manual gear, manual gear axis and handwheel, the manual worm gear is located at institute
The top outer shroud of small teeth number difference planet gear is stated, the manual worm connects the manual worm gear, the manual worm and manual tooth
Wheel connection, the manual gear are engaged with manual gear axis, and the manual gear axis is connect with handwheel.
Further include force moment protection mechanism, the force moment protection mechanism is located at the top of the upper shell, the force moment protection
Mechanism includes crank throw, crank shaft, bottom plate, microswitch one and cam bit,
The crank throw is in " 7 " font, and one end of crank throw is located in the helicla flute of electronic worm screw, and the other end is located at the crank throw
On axis, the crank shaft passes through bottom plate to connect cam bit, and the bottom plate is connect by two connecting poles with upper shell；The cam
Piece is for contacting the microswitch one, and the microswitch one is for cutting off motor power.
The bias input shaft has centre bore, and stroke shaft is equipped in the centre bore, and the top of the stroke shaft is stretched out
The bias input shaft, lower part connect output sleeve；
Further include range controlling mechanism, the range controlling mechanism is located at the top of upper shell and includes that cam, fine motion are opened
Two, pressing plate and pedestal are closed, the cam is located at the top of the stroke shaft, and the cam is used to contact the microswitch two,
The microswitch two is for cutting off motor power, and the microswitch two is located between the pressing plate and pedestal, the pressing plate
Positioned at the top of pedestal, the pedestal is located at the top surface of the upper shell.
Further include mechanical location indicating mechanism, the mechanical location indicating mechanism is located at the upper of the range controlling mechanism
Side, the mechanical location indicating mechanism include thread spindle, aperture lower plate, aperture upper plate and pointer, described in the screw thread axis connection
Stroke shaft, the aperture lower plate and aperture upper plate are connected on the thread spindle, and the aperture lower plate is equipped with angle row
Cheng Kedu, the aperture upper plate are located at the top of aperture lower plate, and the pointer is located on the pressing plate.
The lower part of the internal tooth output shaft is arranged with a pair of of caulking groove, and the caulking groove is connected to the lower part circular groove, described defeated
The both sides for going out axle sleeve are equipped with abaculus, and the abaculus is adaptedly located in the caulking groove.
The bottom of the lower housing is equipped with output terminal pad, and the output sleeve is located in the output terminal pad.
The electric operator of the present invention at work, is divided into Electronic control and manually controls, be conveniently operated.
Electronic control is：Using worm and gear-planetary gear double reduction drive mechanism, primary speed-down is electronic worm screw
With electronic worm gear, double reduction is small teeth number difference planet gear.Since manual worm is irreversible worm, the hand in electric operating
Dynamic worm gear will not rotate, and when to realize electric operating, manual worm will not rotate, handwheel will not rotate.Using double reduction
When can realize electric operating, output torque is big, the angular travel time is short.
Manually control for：Using spur gear-worm and gear-planetary gear three-level reducing transmission structure, primary speed-down is
The engagement of manual gear axis and manual gear, double reduction are manual worm and manual worm gear, and it is fewer differential teeth planetary that three-level, which is slowed down,
Gear.In manual operation, electronic worm gear and eccentric input shaft do not rotate, and therefore, electronic worm screw will not rotate, to realize
Electric operating will not be interfered when manual operation.Being slowed down using three-level can realize that, using smaller power rotation handwheel, operation is light.
Arc-shaped limit block is set on internal gear output shaft, when electric operator exceeds output angle stroke, arc limit
Position block touches adjustment bolt, feeds back to force moment protection mechanism, force moment protection mechanism action, cut-out motor electricity by the transmission of power
Source, executing agency's stopping action, realizes defencive function of the electric operator to valve.
Stroke shaft is rotated with electric operator output angle travel synchronization, and cam is synchronous with stroke shaft by holding screw
Rotation, the microswitch two in range controlling mechanism is pressed by cam, causes to cut off motor power, electric operator stops
Action.Since cam can adjust the angular distance with microswitch two by holding screw, and cam is synchronous with stroke shaft turns
It is dynamic, thus realize that function is adjusted in the output angle stroke of executing agency.
The present invention can quick acting, reliability it is high, ensure that safety and stability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention,
Fig. 2 is the vertical view of Fig. 1,
Fig. 3 is the fundamental diagram of the present invention,
Fig. 4 is the structural schematic diagram of internal tooth output shaft in the present invention,
Fig. 5 is the three-dimensional structure diagram of Fig. 4,
Fig. 6 is the structural schematic diagram of force moment protection mechanism in the present invention,
Fig. 7 is the vertical view of Fig. 6,
Fig. 8 is the working state figure of Fig. 6,
Fig. 9 is the structural schematic diagram of range controlling mechanism in the present invention,
Figure 10 is the structural schematic diagram of mechanical location indicating mechanism in the present invention,
Figure 11 is the vertical view of Figure 10；
1 is output terminal pad in figure, and 2 be lower housing, and 3 be output sleeve, and 4 be internal tooth output shaft, and 41 be mesoporous, under 42 are
Portion's circular groove, 43 be arc-shaped limit block, and 44 be arc groove, and 45 be caulking groove,
5 be small teeth number difference planet gear, and 6 be manual worm gear, and 7 be upper shell, and 8 be stroke shaft, and 9 be electronic worm gear, and 10 be electricity
Dynamic worm screw, 100 be helicla flute, and 11 be eccentric input shaft, and 110 be centre bore,
12 be cam, and 13 be range controlling mechanism, and 14 be force moment protection mechanism, and 15 be mechanical location indicating mechanism, and 16 are
The cover, 17 be adjustment bolt, and 18 be manual worm, and 19 be motor, and 20 be manual gear, and 21 be manual gear axis, and 22 be handwheel,
23 be crank throw, and 24 be crank shaft, and 25 be bottom plate, and 26 be microswitch one, and 27 be cam bit, and 28 be microswitch two, and 29 be pressure
Plate, 30 be pedestal, and 31 be thread spindle, and 32 be aperture lower plate, and 33 be aperture upper plate, and 34 be pointer, and 35 be connecting pole.
Specific implementation mode
The present invention includes the babinet formed by upper shell 7 and lower housing 2 as shown in figs. 1-11, the inside of the babinet from
Top to bottm is equipped with electronic worm and wormwheel component, small teeth number difference planet gear 5, internal tooth output shaft 4 and output sleeve 3, the electricity successively
Dynamic worm and gear component includes motor 19, electronic worm screw 10 and electronic worm gear 9, and the motor 19 drives electronic worm screw 10, described
Electronic worm screw 10 connect with electronic worm gear 9, the eccentric input shaft 11 of endoporus connection of the electronic worm gear, the bias input shaft
Lower part connects small teeth number difference planet gear 5,
The internal tooth output shaft 4 have through-hole, the through-hole include the top stepped hole 41 being sequentially communicated, mesoporous 42 and under
The top stepped hole of portion's circular groove 43, the internal tooth output shaft 4 connects the lower part outer shroud of the small teeth number difference planet gear 5, described defeated
Go out axle sleeve 3 to sequentially pass through the lower part circular groove of the internal tooth output shaft and mesoporous and stretch into the stepped hole of top；
The bottom surface of the internal tooth output shaft 4 is equipped with arc-shaped limit block 43 so that the bottom surface side of internal tooth output shaft is arc-shaped
The side of slot 44, the lower housing is connected through a screw thread equipped with a pair of symmetrical adjustment bolt 17, and a pair of of adjustment bolt distinguishes position
In in the arc groove and for contacting the arc-shaped limit block；
Further include manual worm gear 6, manual worm 18, manual gear 20, manual gear axis 21 and handwheel 22, the manual snail
Wheel 6 is located at the top outer shroud of the small teeth number difference planet gear 5, and the manual worm 18 connects the manual worm gear 6, described manual
Worm screw 18 connect with manual gear 20, and the manual gear 20 is engaged with manual gear axis 21, the manual gear axis 21 and hand
22 connection of wheel.
Electronic control of the present invention uses worm and gear-planetary gear double reduction drive mechanism, by electronic worm screw and electronic
The primary speed-down of executing agency is completed in the engagement of worm gear, then delivers torque to fewer differential teeth planetary tooth by eccentric input shaft 11
Wheel completes secondary speed-reducing, and last small teeth number difference planet gear drives internal tooth output shaft, internal tooth output shaft to drive output sleeve action；
It manually controls and uses spur gear-worm and gear-planetary gear three-level reducing transmission structure, it is nibbled by spur gear
The primary speed-down for completing executing agency is closed, then manual worm and manual worm gear are double reduction, finally by fewer differential teeth planetary
Gear completion is slowed down three times, and last small teeth number difference planet gear drives internal tooth output shaft, internal tooth output shaft to drive output sleeve action；
Electric operator can realize larger transmission ratio output, to realize electronic execution machine in electric operating
Structure quick closing valve opens function soon.
As shown in figs 6-8, further include force moment protection mechanism 14, the force moment protection mechanism is located at the upper of the upper shell 7
Portion, the force moment protection mechanism include crank throw 23, crank shaft 24, bottom plate 25, microswitch 1 and cam bit 27,
The crank throw is in " 7 " font, and one end of crank throw 23 is located in the helicla flute 100 of electronic worm screw 10, and the other end is located at
On the crank shaft 24, the crank shaft passes through bottom plate to connect cam bit, and the bottom plate passes through two connecting poles 35 and upper shell
Connection；The cam bit is for contacting the microswitch one, and the microswitch one is for cutting off motor power.
Force moment protection mechanism is stuck in by crank throw in the helicla flute of worm screw, so that crank throw is axial by the rotation of electronic worm screw
It is mobile；Electronic worm screw 10 converts torque to displacement stroke, and crank throw 23 drives crank shaft 24 to rotate, thus rotation cam piece 27,
The rotation of cam bit 27 makes cam bit press microswitch 1, causes to cut off motor power, electric operator stops dynamic
Make.
Force moment protection mechanism can be used to control stop position of electric operator during operating valve, i.e., electronic to hold
Row mechanism in operation, when operation torque reaches specified value, starts to act, electric contact is made to disconnect, to cut off the power,
So that electric operator is stopped, such as be used for shut-off valve and gate valve forced seal formula valve, to accurately control its close stance
It sets.
The bias input shaft 11 has centre bore 110, is equipped with stroke shaft 8 in the centre bore, the stroke shaft it is upper
The eccentric input shaft is stretched out in portion, lower part connects output sleeve；
As shown in figure 9, further including range controlling mechanism 13, the range controlling mechanism is located at the top of upper shell and wraps
Cam 12, microswitch 2 28, pressing plate 29 and pedestal 30 are included, the cam 12 is located at the top of the stroke shaft 8, the cam
12 for contacting the microswitch 2 28, and for cutting off motor power, the microswitch two is located at the microswitch two
Between the pressing plate 29 and pedestal 30, the pressing plate is located at the top of pedestal, and the pedestal is located at the top surface of the upper shell.
Since stroke shaft 8 and electric operator output angle travel synchronization rotate, cam 12 is synchronous with stroke shaft 8 to be turned
It is dynamic, the microswitch 2 28 in range controlling mechanism 13 is pressed by cam, causes to cut off motor power, electric operator stops
Stop is made.
Range controlling mechanism can be used to control opening and closing position of electric operator during operating valve, i.e.,
In operation, when delivery stroke reaches specified position, range controlling mechanism action keeps electric contact disconnected to electric operator
It opens, to cut off the power, electric operator is made to be stopped, position is opened and closed to accurately control it.
As shown in figs. 10-11, further include mechanical location indicating mechanism 15, the mechanical location indicating mechanism is located at the row
The top of process control mechanism, the mechanical location indicating mechanism include thread spindle 31, aperture lower plate 32, aperture upper plate 33 and pointer
34, the thread spindle 31 connects the stroke shaft 8, and the aperture lower plate 32 and aperture upper plate 33 are connected to the thread spindle
On, the aperture lower plate is equipped with angular travel scale, and the aperture upper plate is located at the top of aperture lower plate, and the pointer is located at
On the pressing plate 29.
Mechanical location indicating mechanism 15 is arranged on stroke shaft 8, and stroke shaft 8 connect and rotates synchronously with output sleeve 3, opens
It is provided with angular travel scale in degree lower plate 32, when output sleeve 3 rotates corresponding angular travel, output sleeve 3 drives row
Journey axis 8 rotates, and stroke shaft 8 drives thread spindle 31 to rotate, to which electric operator reacts in real time in mechanical location indicating mechanism
Output angle stroke.
In work, the cover 16 is set in mechanical location indicating mechanism and force moment protection mechanism for being provide with, the cover connects
On upper shell.
The lower part of the internal tooth output shaft is arranged with a pair of of caulking groove 45, and the caulking groove 45 is connected to the lower part circular groove 42
（I.e. caulking groove is located on the circumference of lower part circular groove）, equipped with abaculus, the abaculus is adaptedly located at institute for the both sides of the output sleeve
It states in caulking groove so that output sleeve and internal tooth output shaft reliable location realize synchronization action.
The bottom of the lower housing is equipped with output terminal pad 1, and the output sleeve 3 is located in the output terminal pad 1.If
Set output terminal pad so that output terminal pad forms arc cavity with arc groove, is conveniently adjusted bolt and reliably places.
Claims (6)
1. a kind of Quick-type part revolution warship marine electric executing agency, includes the babinet formed by upper shell and lower housing,
It is characterized in that, the inside of the babinet is defeated equipped with electronic worm and wormwheel component, small teeth number difference planet gear, internal tooth successively from top to bottom
Shaft and output sleeve, the electronic worm and wormwheel component include motor, electronic worm screw and electronic worm gear, the motor driving electricity
Dynamic worm screw, the electronic worm screw connect with electronic worm gear, the eccentric input shaft of endoporus connection of the electronic worm gear, and the bias is defeated
Enter the lower part connection small teeth number difference planet gear of axis,
The internal tooth output shaft has through-hole, and the through-hole includes the top stepped hole, mesoporous and lower part circular groove being sequentially communicated, institute
The top stepped hole for stating internal tooth output shaft connects the lower part outer shroud of the small teeth number difference planet gear, and the output sleeve sequentially passes through
It the lower part circular groove and mesoporous of the internal tooth output shaft and stretches into the stepped hole of top；
The bottom surface of the internal tooth output shaft is equipped with arc-shaped limit block so that the arc-shaped slot in bottom surface side of internal tooth output shaft, it is described
The side of lower housing is connected through a screw thread equipped with a pair of symmetrical adjustment bolt, and a pair of of adjustment bolt is located at the arc groove
It is interior and for contacting the arc-shaped limit block；
Further include manual worm gear, manual worm, manual gear, manual gear axis and handwheel, the manual worm gear is located at described few
The top outer shroud of differential teeth planetary gear, the manual worm connect the manual worm gear, and the manual worm connects with manual gear
It connects, the manual gear is engaged with manual gear axis, and the manual gear axis is connect with handwheel.
2. a kind of Quick-type part revolution warship marine electric executing agency according to claim 1, which is characterized in that also wrap
Include force moment protection mechanism, the force moment protection mechanism is located at the top of the upper shell, the force moment protection mechanism include crank throw,
Crank shaft, bottom plate, microswitch one and cam bit,
The crank throw is in " 7 " font, and one end of crank throw is located in the helicla flute of electronic worm screw, and the other end is located at the crank shaft
On, the crank shaft passes through bottom plate to connect cam bit, and the bottom plate is connect by two connecting poles with upper shell；The cam bit
For contacting the microswitch one, the microswitch one is for cutting off motor power.
3. a kind of Quick-type part revolution warship marine electric executing agency according to claim 1 or 2, which is characterized in that
The bias input shaft has centre bore, and stroke shaft is equipped in the centre bore, and the bias is stretched out on the top of the stroke shaft
Input shaft, lower part connect output sleeve；
Further include range controlling mechanism, the range controlling mechanism is located at the top of upper shell and includes cam, microswitch
Two, pressing plate and pedestal, the cam are located at the top of the stroke shaft, and the cam is for contacting the microswitch two, institute
Microswitch two is stated for cutting off motor power, the microswitch two is located between the pressing plate and pedestal, the pressing plate position
In the top of pedestal, the pedestal is located at the top surface of the upper shell.
4. a kind of Quick-type part revolution warship marine electric executing agency according to claim 3, which is characterized in that also wrap
Mechanical location indicating mechanism is included, the mechanical location indicating mechanism is located at the top of the range controlling mechanism, the machinery position
It includes thread spindle, aperture lower plate, aperture upper plate and pointer to set indicating mechanism, stroke shaft described in the screw thread axis connection, described to open
Degree lower plate and aperture upper plate are connected on the thread spindle, and the aperture lower plate is equipped with angular travel scale, described to open
Degree upper plate is located at the top of aperture lower plate, and the pointer is located on the pressing plate.
5. a kind of Quick-type part revolution warship marine electric executing agency according to claim 1, which is characterized in that described
The lower part of internal tooth output shaft is arranged with a pair of of caulking groove, and the caulking groove is connected to the lower part circular groove, the both sides of the output sleeve
Equipped with abaculus, the abaculus is adaptedly located in the caulking groove.
6. a kind of Quick-type part revolution warship marine electric executing agency according to claim 1, which is characterized in that described
The bottom of lower housing is equipped with output terminal pad, and the output sleeve is located in the output terminal pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610133286.XA CN105605285B (en) | 2016-03-09 | 2016-03-09 | A kind of Quick-type part revolution warship marine electric executing agency |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610133286.XA CN105605285B (en) | 2016-03-09 | 2016-03-09 | A kind of Quick-type part revolution warship marine electric executing agency |
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| CN105605285A CN105605285A (en) | 2016-05-25 |
| CN105605285B true CN105605285B (en) | 2018-07-20 |
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| CN201610133286.XA Active CN105605285B (en) | 2016-03-09 | 2016-03-09 | A kind of Quick-type part revolution warship marine electric executing agency |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764032A (en) * | 2017-01-12 | 2017-05-31 | 温州力米托克智能科技有限公司 | A kind of electric device for valve with moment of torsion inductor |
| CN107178646B (en) * | 2017-06-09 | 2018-12-21 | 东台友铭船舶配件有限公司 | With the ship assembling fire-fighting sluice valve for being precisely controlled structure |
| CN110469706A (en) * | 2019-09-24 | 2019-11-19 | 浙江澳翔自控科技有限公司 | A kind of small-size electric actuator |
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| KR100734394B1 (en) * | 2006-09-07 | 2007-07-02 | 주식회사 은하양행 | Valve actuater by spring return power |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201982771U (en) * | 2010-12-30 | 2011-09-21 | 刘卫强 | Electric actuating control mechanism of valve |
| DE102011018718A1 (en) * | 2011-04-26 | 2012-10-31 | Eunha Machinery Industrial Co., Ltd. | Valve actuator e.g. pneumatic valve actuator for opening and closing valve, has valve actuating unit comprising eccentric cam that is in interaction with ring gear of planetary gear unit |
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| CN105605285A (en) | 2016-05-25 |
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| CB03 | Change of inventor or designer information |
Inventor after: Cai Jun Inventor after: Guo Qing Inventor after: Xu Wencai Inventor after: Qiu Wen Inventor after: Zhu Zheng Inventor after: Yin Guangyao Inventor after: Qian Rong Inventor after: Wang Zhaolei Inventor before: Cai Jun Inventor before: Guo Qing Inventor before: Xu Wencai Inventor before: Qiu Wen Inventor before: Zhu Zheng Inventor before: Yin Guangyao Inventor before: Qian Rong Inventor before: Wang Zhaolei Inventor before: Hu Shipeng |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |