CN104089067B - A kind of valve emergency shutoff device - Google Patents
A kind of valve emergency shutoff device Download PDFInfo
- Publication number
- CN104089067B CN104089067B CN201410333863.0A CN201410333863A CN104089067B CN 104089067 B CN104089067 B CN 104089067B CN 201410333863 A CN201410333863 A CN 201410333863A CN 104089067 B CN104089067 B CN 104089067B
- Authority
- CN
- China
- Prior art keywords
- gear
- worm
- shutoff device
- valve
- emergency shutoff
- 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.)
- Active
Links
Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
-
- 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
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses a kind of valve emergency shutoff device, comprise turning valve Electric actuator, clutch section and stage clip portion, when accident occurs, during dynamic failure, also can promptly automatically can open or valve closing door, ensure security of operation.
Description
Technical field
The invention belongs to the valve technology field of water supply, heat supply, liquid gas, rock gas, harmful gas pipeline etc., particularly relate to a kind of valve emergency shutoff device.
Background technique
Realize the connection of the flowing mediums such as water supply, heat supply, liquid gas, rock gas, harmful gas pipeline and block, being realized controlling by electric device for valve and supporting valve,
Realizing in process of the present invention, inventor finds that prior art at least exists following problem: if because having an accident, especially disastrous accident, power supply cuts off suddenly, or control circuit fault, causes the dynamic failure of electric device for valve, valve can not emergency opening or closedown, that is can not connect and block fluids within pipes medium, accident can not be obtained in time and effective control, maybe will cause serious consequence.
Summary of the invention
When technical problem to be solved by this invention is to provide the generation of a kind of accident, during dynamic failure, also promptly automatically can open or valve closing door, ensure the valve emergency shutoff device of security of operation.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of valve emergency shutoff device, comprises turning valve Electric actuator, clutch section and stage clip portion;
Described turning valve Electric actuator comprises housing, main shaft, eccentric bushing, electronic worm gear, electronic worm screw, planetary pinion, quiet gear, output shaft, described main shaft is installed in rotation on housing, described eccentric bushing is fixed on main shaft, electronic worm gear to be fixed on eccentric bushing and to be provided with electronic worm screw and is meshed with electronic worm gear, planetary pinion is sleeved on eccentric bushing rotationally, and the axis of axis and main shaft that described eccentric bushing installs planetary part has an offset distance; Described quiet gear is provided with the ring gear be meshed with planetary pinion, and described quiet gear and planetary pinion have a number of teeth difference; Described output shaft is fixedly connected with driver plate, and described driver plate is connected with quiet gears slip by slide block;
Described clutch section comprises magnetic clutch;
Described stage clip portion comprises energy storage gear, connects dish and live axle, and described live axle is installed in rotation on and connects on dish, and described live axle is connected with output shaft by magnetic clutch; Described live axle is installed with energy storage gear, connects in dish and be provided with slidably tooth bar, described energy storage wheel and rack is meshed, and also comprises return spring, and described return spring one end is connected with tooth bar, and the other end coils inwall and is connected with connecing.。
Described quiet outer peripheral gear is provided with outer worm gear, and is provided with manual worm and is meshed with the outer worm gear of quiet gear.
Described slide block is sliding cross coupling, connects quiet gear and driver plate by sliding cross coupling.
Also comprise the drive unit driving electronic worm gear, described drive unit comprises motor, and described electronic worm screw is provided with gear on worm, and the motor gear of described motor is meshed with gear on worm.
Described main shaft is provided with potentiometer gear, and is provided with potentiometer and is meshed with potentiometer gear.
Described planetary pinion is contained on eccentric bushing by bearing housing.
Described return spring is Rectangular Spring, and material is 50CrVA.
The angle of spiral of the outer worm gear of described quiet gear and manual worm is less than 6 °.
Described manual worm end is provided with handwheel.
Described housing is provided with the terminal box connecting circuit in electronic worm screw.
A technological scheme tool in technique scheme has the following advantages or beneficial effect, once have an accident, pipeline burst, toxic gas leakage etc. cause power-off, when causing the dynamic failure of this device, magnetic clutch is separated, and the return spring of energy storage discharges immediately, produce torsional moment, promptly automatically can close or Open valve, cut off or connect the conveying of the flowing mediums such as water supply, heat supply, liquid gas, rock gas, harmful gas, ensure the security of operation of industrial pipe network or city life pipeline.After failture evacuation, supply or control power up, first, this device should be made to close (or unlatching) and put in place, object makes magnetic clutch obtain electric adhesive, and the control operation of this device then enters normal procedure.
Accompanying drawing explanation
The structural representation of valve emergency shutoff device of Fig. 1 for providing in the embodiment of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the C-C sectional view of Fig. 3;
Fig. 5 is the B-B sectional view of Fig. 1;
Fig. 6 is the transmission sketch of Fig. 1;
Fig. 7 is the A direction view of Fig. 6;
Mark in above-mentioned figure is: 1, main shaft, and 2, eccentric bushing, 3, electronic worm gear, 4, electronic worm screw, 5, planetary pinion, 6, quiet gear, 7, manual worm, 8, output shaft, 9, driver plate, 10, slide block, 11, coupling shaft, 12, magnetic clutch, 13, live axle, 14, energy storage gear, 15, connect dish, 16, potentiometer gear, 17, potentiometer, 18, range controlling mechanism, 19, terminal box, 20, handwheel, 21, motor, 22, motor gear, 23, gear on worm, 24, tooth bar, 25, Rectangular Spring.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
See Fig. 1, a kind of valve emergency shutoff device, comprises turning valve Electric actuator, clutch section and stage clip portion;
1, small teeth number difference planet gear reducing gear:
As shown in Fig. 2,3,6, turning valve Electric actuator comprises housing, main shaft 1, eccentric bushing 2, electronic worm gear 3, electronic worm screw 4, planetary pinion 5, quiet gear 6, output shaft 8, main shaft 1 is installed in rotation on housing, eccentric bushing 2 is fixed on main shaft 1, electronic worm gear 3 to be fixed on eccentric bushing 2 and to be provided with electronic worm screw 4 and is meshed with electronic worm gear 3, planetary pinion 5 is sleeved on eccentric bushing 2 rotationally, and the axis of axis and main shaft 1 that eccentric bushing 2 installs the part of planetary pinion 5 has an offset distance; Quiet gear 6 is provided with the ring gear be meshed with planetary pinion 5, and quiet gear 6 has a number of teeth difference with planetary pinion 5; Output shaft 8 is fixedly connected with driver plate 9, and driver plate 9 is slidably connected by slide block 10 and quiet gear 6; Planetary pinion 5 is contained on eccentric bushing 2 by bearing housing.
This reducing gear is by quiet gear 6 (internal tooth), planetary pinion 5 (external tooth), crosshead shoe, seven compositions such as self-made components and bearing such as output shaft 8 grade, its working principle is: when eccentric bushing 2 rotates, force planetary pinion 5 around fixed internal tooth crop rotation planetary rotation motion (revolution), little number of teeth is there is poor by dry internal-external gear, because of and make planetary pinion 5 produce reverse low speed spinning motion around own axes, relend and help crosshead shoe (between parallel axes coupling) that spinning motion is passed to output shaft 8, reach deceleration object; Its speed ratio: when planetary pinion 5Z1 engages one week with fixed quiet gear 6Z2, its speed ratio: iH=-z1 ÷ (z2-z1), negative sign represent turn to contrary, the velocity ratio that root Ju is different, number of teeth difference also can be bidentate, three teeth; Speed ratio also can be respectively Z1/2, Z1/3.
The design of fewer differential teeth planetary decelerator structure: because belonging to internal messing Involutes Gears Transmission, number of teeth difference is few again, need avoid various interference phenomenon: one, will reduce addendum coefficient, collides from tooth depth direction elimination flank profil overlap and tooth top.Two, choose reasonable normal shift coefficient, in increasing, wheel between cog width, reduces the thickness of external gear teeth top part, eliminates flank profil overlapping from transverse tooth thickness direction; Simultaneously continuous and steady in order to what engage, also must have enough overlap coefficients.
This reducing gear is compact, part is few, though ' small and exquisite ' is not ' thin ', the general planetary gear speed reducing mechanism of envelope-bulk to weight ratio declines more than 60%, cost is corresponding reduction about 40% also, through strict strength check during design, and do the destructive test of overburdening for several times, all safe and sound.
1.1, man-operated mechanism:
As shown in Figure 4, quiet gear 6 periphery is provided with outer worm gear, and is provided with manual worm 7 and is meshed with the outer worm gear of quiet gear 6.
Milling worm-gear tooth on the location cylindrical of the quiet gear 6 (internal tooth) of fewer differential teeth planetary decelerator structure, engages with manual worm 7, and manual worm 7 spindle nose fills handwheel 20, and because the angle of spiral is less than 6 °, this Worm and Worm Gear Driving has self-locking performance.When planetary pinion 5 rotates, quiet gear 6 can not rotate, when manual worm 7 rotates because of the locking of manual worm 7, drive quiet gear 6 and make planetary pinion 5 drive output shaft 8 to make valve opening and closing, this man-operated mechanism does not need to switch, not only simple but also reliable, and rotates free and relaxed.
2, clutch section
Clutch section comprises magnetic clutch 12; The axle of partially slewing valve Electric actuator is provided with magnetic clutch 12, magnetic clutch 12 is substantially identical with mechanical type jaw clutch, magnetic clutch 12 produces magnetic field by the exciting curent coil in yoke being passed into 24VDC, makes yoke and armature and the tooth engagement that is connected and transmitting torque.The magnetic clutch 12 that axle is installed, after energising, can synchronously drive the joint of mortise and live axle 13, the valve rod of connection thereof by axle, make valve enter operation.After power-off, yoke is separated with armature and connected tooth, armature by spring reset, therefore axle to have that the live axle 13, valve rod etc. of the joint of mortise and connection thereof are also corresponding to be separated.There are the live axle 13, valve rod etc. of the joint of mortise and connection thereof to be in without constraint, if the external force of imposing, it can be made to rotate alone.In addition, magnetic clutch 12, because engaging by electromagnetic force, can be used for remote operation.
3, stage clip portion cover
3.1 as shown in Figure 5, and stage clip portion comprises energy storage gear 14, connects dish 15 and live axle 13, and live axle 13 is installed in rotation on and connects on dish 15, and live axle 13 is connected with output shaft 8 by magnetic clutch 12; Live axle 13 is installed with energy storage gear 14, connect in dish 15 and be provided with slidably tooth bar 24, energy storage gear 14 is meshed with tooth bar 24, also comprise return spring, return spring one end is connected with tooth bar 24, the other end with connect dish 15 inwall and be connected, return spring is Rectangular Spring 25.
3.2 are discharged by the return spring compressed, the thrust of generation, drive tooth bar 24 and are with energy storage gear 14 and live axle 13 (connection valve rod), turning round 90 °-0 °.Its relation is as follows:
Turn round the stroke of 90 °-0 °, the number of teeth (that is number of teeth of rack displacement) that gear rotates:
1/4Z
always=Z
turn,
Rack displacement stroke (mm):
(Z
turn-1) t=(Z
turn-1) π m
Gear returns back to torque when 0 °, i.e. spring release, promotes rack pinion to the thrust needed during initial position:
The implication of above formula code name:
Z
alwaysthe tooth number Z of-gear
turnthe number of teeth that-gear rotates
T-circular pitch π-3.1416F
t-thrust (Kg)
The standard pitch diameter (mm) of torque (Kg.m) the d1-gear of T1-gear
3.3 are exemplified below by above formulae discovery:
The controlling torque 5 (Kg.m) of device, the gear number of teeth 32, modulus 2,
Turn round the stroke of 90 °-0 °, the number of teeth (that is number of teeth of rack displacement) that gear rotates:
1/4Z
always=Z
turn,
1/4·32＝8。
Rack displacement stroke (mm):
(Z
turn-1) t=(Z
turn-1) π m,
(8-1)·3.1416·2＝43.98。
Therefore setting connects the movable stroke of tooth bar 24 arranged in dish is 43.98mm.
Gear returns back to torque when 0 °, i.e. spring release, promotes rack pinion to the thrust F needed during initial position
t(Kg):
Therefore setting the pressure of return spring when compressive state is 156.25Kg.
3.4 when normally working, live axle 13 (connection valve rod) is driven through magnetic clutch 12 by partially slewing valve Electric actuator, valve is made to realize running, simultaneously, also the energy storage gear 14 through being connected with live axle 13 drives tooth bar 24, Rectangular Spring 25 is made to compress or discharge, valve close put in place (or reaching position) time, Rectangular Spring 25 is in compressive state (energy storage), once break down, power supply is disconnected to be lost, magnetic clutch is separated, there are the joint of mortise and connected live axle 13, valve rods etc. are without constraint, because now being discharged by the Rectangular Spring 25 compressed, produce thrust, drive tooth bar 24 and be with energy storage gear 14 and live axle 13 (connection valve rod), turn round 90 °-0 °, valve closing or unlatching are put in place, block or connect fluids within pipes medium, to realize the object of management and control.
3.5 return springs are Rectangular Spring 25, and material is 50CrVA.This material has higher comprehensive mechanical property, good impact toughness, high, the stable performance of intensity after tempering.Although rectangle steel bar manufacturing process more complicated, its advantage is: rigidity is large, and distortion is few, even if be in compressive state for a long time, be also unlikely decay, this is that coil spring can not be compared.
4, electrical control
As shown in Figure 7, also comprise the drive unit driving electronic worm gear 3, drive unit comprises motor 21, and electronic worm screw 4 is provided with gear on worm 23, and the motor gear 22 of motor 21 is meshed with gear on worm 23.
Main shaft 1 is provided with potentiometer gear 16, and is provided with potentiometer 17 and is meshed with potentiometer gear 16.
Housing is provided with the terminal box 19 connecting circuit in electronic worm screw 4.
Device can control or telecontrol at the scene, both can by digital output modul, also can by Analog control, and realizes and computer networking controls automatically.
The manufacturing technique requirent that root Ju is different; pipeline fluid medium will control its uninterrupted; proportion adjustment will be realized to valve opening degree; so electric control system is configured with adjustment module; receive the DC4 ~ 20mA standard current signal from DCS or PLC etc.; complete the proportion adjustment to valve opening degree; this adjustment module has that phase sequence adjusts automatically, proportion adjustment, isolation amplification, valve position become give, the various functions such as power drive, and there is open-phase protection, electronic interlocking protection, prohibit dynamic delay protection, lose the perfect protective function such as letter protection, temperature protection.
5, this device applicable elements and the key technical indexes:
5.1, atmospheric pressure: 80 ~ 110kPa;
5.2, ambient temperature :-20 DEG C ~+60 DEG C;
5.3, relative moisture: be not more than 90% (+25 DEG C);
5.4, power supply: AC:380V, 50Hz; 220V, 50Hz.
5.5, security level: IP67.
5.6, the explosive-proof grade of explosion-proof type: ExdIIBT4.
5.7, adjustment type: feedback signal 4-20mA, precision 1%.
5.8, maximum controlling torque (N.m): 50 ~ 100.
5.9, output speed (r/min): 0.5 ~ 4.
5.10, stroke (degree) is opened and closed: 0 ~ 90.
5.11, resetting time (S) :≤2.
After adopting above-mentioned structure, this device and the valve combination matched can realize connecting and block fluids within pipes medium, are applicable to the Valve controlling of water supply, heat supply, liquefaction, rock gas, harmful gas pipeline etc., realize open and close, stop.And proportion adjustment can be realized to valve opening degree, thus root Ju needs the uninterrupted controlling pipeline flowing medium, and this device both can field control, also can telecontrol, and realizes and computer networking controls automatically.
Once have an accident, pipeline burst, toxic gas leakage etc. cause power-off, when causing the dynamic failure of this device, magnetic clutch 12 is separated, the return spring of energy storage discharges immediately, produces torsional moment, can promptly automatically close or Open valve, cut off or connect the conveying of the flowing mediums such as water supply, heat supply, liquid gas, rock gas, harmful gas, ensure the security of operation of industrial pipe network or city life pipeline.
After failture evacuation, supply or control power up, first, this device should be made to close (or unlatching) and put in place, object makes magnetic clutch 12 obtain electric adhesive, and the control operation of this device then enters normal procedure.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technological scheme is carried out; or design of the present invention and technological scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (10)
1. a valve emergency shutoff device, is characterized in that, comprises turning valve Electric actuator, clutch section and stage clip portion;
Described turning valve Electric actuator comprises housing, main shaft (1), eccentric bushing (2), electronic worm gear (3), electronic worm screw (4), planetary pinion (5), quiet gear (6), output shaft (8), described main shaft (1) is installed in rotation on housing, described eccentric bushing (2) is fixed on main shaft (1), electronic worm gear (3) is fixed on eccentric bushing (2) and goes up and be provided with electronic worm screw (4) and be meshed with electronic worm gear (3), planetary pinion (5) is sleeved on eccentric bushing (2) rotationally, the axis of part and the axis of main shaft (1) of described eccentric bushing (2) installation planetary pinion (5) have an offset distance, described quiet gear (6) is provided with the ring gear be meshed with planetary pinion (5), and described quiet gear (6) and planetary pinion (5) have a number of teeth difference, described output shaft (8) is fixedly connected with driver plate (9), and described driver plate (9) is slidably connected by slide block (10) and quiet gear (6),
Described clutch section comprises magnetic clutch (12);
Described stage clip portion comprises energy storage gear (14), connects dish (15) and live axle (13), described live axle (13) is installed in rotation on and connects on dish (15), and described live axle (13) is connected with output shaft (8) by magnetic clutch (12); Described live axle (13) is installed with energy storage gear (14), connect in dish (15) and be provided with slidably tooth bar (24), described energy storage gear (14) is meshed with tooth bar (24), also comprise return spring, described return spring one end is connected with tooth bar (24), and the other end coils (15) inwall and is connected with connecing.
2. valve emergency shutoff device as claimed in claim 1, it is characterized in that, described quiet gear (6) periphery is provided with outer worm gear, and is provided with manual worm (7) and is meshed with the outer worm gear of quiet gear (6).
3. valve emergency shutoff device as claimed in claim 1 or 2, it is characterized in that, described slide block (10) is sliding cross coupling, connects quiet gear (6) and driver plate (9) by sliding cross coupling.
4. valve emergency shutoff device as claimed in claim 1 or 2, it is characterized in that, also comprise the drive unit driving electronic worm gear (3), described drive unit comprises motor (21), described electronic worm screw (4) is provided with gear on worm (23), and the motor gear (22) of described motor (21) is meshed with gear on worm (23).
5. valve emergency shutoff device as claimed in claim 1 or 2, it is characterized in that, described main shaft (1) is provided with potentiometer gear (16), and is provided with potentiometer (17) and is meshed with potentiometer gear (16).
6. valve emergency shutoff device as claimed in claim 1 or 2, it is characterized in that, described planetary pinion (5) is contained on eccentric bushing (2) by bearing housing.
7. valve emergency shutoff device as claimed in claim 1 or 2, it is characterized in that, described return spring is Rectangular Spring (25), and material is 50CrVA.
8. valve emergency shutoff device as claimed in claim 2, it is characterized in that, the angle of spiral of the outer worm gear of described quiet gear (6) and manual worm (7) is less than 6 °.
9. valve emergency shutoff device as claimed in claim 8, it is characterized in that, described manual worm (7) end is provided with handwheel (20), and described housing is provided with the terminal box (19) connecting electronic worm screw (4) interior circuit.
10. valve emergency shutoff device as claimed in claim 1, it is characterized in that, return spring is released from being compressed to, tooth bar (24) displacement stroke (mm), namely connects tooth bar (24) the movable stroke arranged in dish to be:
(Z
turn-1) π m;
When energy storage gear (14) returns back to 0 °, i.e. spring release, promote rack pinion to the thrust needed during initial position, the thrust namely provided needed for return spring is:
The implication of above formula code name:
Z
alwaysnumber of teeth π-3.1416m-module the F of-gear
t-thrust (Kg)
The standard pitch diameter (mm) of torque (controlling torque of device) (Kg.m) the d1-gear of T1-gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333863.0A CN104089067B (en) | 2014-07-14 | 2014-07-14 | A kind of valve emergency shutoff device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333863.0A CN104089067B (en) | 2014-07-14 | 2014-07-14 | A kind of valve emergency shutoff device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104089067A CN104089067A (en) | 2014-10-08 |
| CN104089067B true CN104089067B (en) | 2016-04-20 |
Family
ID=51636809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410333863.0A Active CN104089067B (en) | 2014-07-14 | 2014-07-14 | A kind of valve emergency shutoff device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104089067B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3065266B1 (en) * | 2017-04-14 | 2020-07-31 | Bernard Controls | EPICYCLOIDAL TRAIN ADVANTAGEALLY FOR A SERVOMOTOR SYSTEM AND SERVOMOTOR SYSTEM USING THIS EPICYCLOIDAL TRAIN |
| CN109163111A (en) * | 2018-09-19 | 2019-01-08 | 浙江中德自控科技股份有限公司 | A kind of willing fire-type emergency cut-off ball valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202868021U (en) * | 2012-11-08 | 2013-04-10 | 西安希佛隆阀门有限公司 | Valve emergency closing executive device |
| CN103438260A (en) * | 2013-07-10 | 2013-12-11 | 黄山良业阀门有限公司 | Electric device for valve |
| CN103759061A (en) * | 2014-01-20 | 2014-04-30 | 石特阀门股份有限公司 | Novel electric quick valve closing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114465A (en) * | 1976-12-06 | 1978-09-19 | Vapor Corporation | Modulating failsafe valve actuator using differential gearing |
| CN2100538U (en) * | 1991-02-12 | 1992-04-01 | 刘平 | Electric operating means for partial rotary valves |
| ITPR20030059A1 (en) * | 2003-07-23 | 2005-01-24 | Biffi Italia | SUBMARINE ACTUATOR WITH SIMPLE EFFECT FOR MANEUVERING |
| CN102635727B (en) * | 2012-04-20 | 2013-01-30 | 石特阀门股份有限公司 | Manual device of partially-rotating valve |
| CN103375640B (en) * | 2013-07-04 | 2015-10-21 | 黄山良业阀门有限公司 | A kind of transmission device of valve opening and closing control gear |
| CN204025834U (en) * | 2014-07-14 | 2014-12-17 | 黄山良业阀门有限公司 | Valve emergency shutoff device |
-
2014
- 2014-07-14 CN CN201410333863.0A patent/CN104089067B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202868021U (en) * | 2012-11-08 | 2013-04-10 | 西安希佛隆阀门有限公司 | Valve emergency closing executive device |
| CN103438260A (en) * | 2013-07-10 | 2013-12-11 | 黄山良业阀门有限公司 | Electric device for valve |
| CN103759061A (en) * | 2014-01-20 | 2014-04-30 | 石特阀门股份有限公司 | Novel electric quick valve closing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104089067A (en) | 2014-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5322953B2 (en) | Throttle valve | |
| US7607637B2 (en) | Reduction gearing for an electric actuator | |
| CN203453599U (en) | Straight-stroke electric actuator | |
| CN104089067B (en) | A kind of valve emergency shutoff device | |
| CN102884342A (en) | Compact-actuator gear set | |
| CN2921507Y (en) | Z series valve electric executing mechanism | |
| CN206723546U (en) | A kind of accumulation energy type electric operator | |
| CN203979575U (en) | Valve emergency shutoff device | |
| CN204025834U (en) | Valve emergency shutoff device | |
| CN104089068B (en) | A kind of valve emergency shutoff device | |
| RU2543646C2 (en) | Drive with amplifier for safety valve with high driving moment | |
| WO2011123917A1 (en) | Improvement to a valve actuation mechanism | |
| US2954703A (en) | Fast-acting valve system | |
| JP3193900U (en) | 2-way lockless gear driven gas meter shut-off valve | |
| CN105387265A (en) | Planetary gear transmission mechanism capable of achieving mutual noninterference driving | |
| CN105422688A (en) | Flexible torque protection monitoring device | |
| CN2921505Y (en) | Valve electric device | |
| CN201031927Y (en) | Two-stage worm gear worm reducer | |
| CN201753756U (en) | Speed reducer with multiple assembling forms | |
| CN201772023U (en) | Fully-closed type worm gear speed reducer | |
| CN101907194B (en) | Bidirectional blockage-free gear-driven special electromechanical valve for gas meters | |
| CN203604774U (en) | Double-cylinder hydraulic actuator | |
| CN101430022A (en) | Driving unit of partially slewing valve | |
| CN101576167A (en) | Safe shell insulated butterfly valve | |
| CN201212560Y (en) | Safety casing isolation butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 245000 Shuai Xin Industrial Park, Yang Hu Town, Tunxi District, Huangshan City, Anhui Patentee after: Mount Huangshan Liang Ye intelligent control Limited by Share Ltd Address before: 245000 Shuai Xin Industrial Park, Yang Hu Town, Tunxi District, Huangshan City, Anhui Patentee before: Huangshan Liangye Valve Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |