CN107387850A - A kind of overload protective device for Valve controlling - Google Patents

A kind of overload protective device for Valve controlling Download PDF

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Publication number
CN107387850A
CN107387850A CN201710542714.9A CN201710542714A CN107387850A CN 107387850 A CN107387850 A CN 107387850A CN 201710542714 A CN201710542714 A CN 201710542714A CN 107387850 A CN107387850 A CN 107387850A
Authority
CN
China
Prior art keywords
actuator
housing
protective device
valve controlling
hole
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
Application number
CN201710542714.9A
Other languages
Chinese (zh)
Other versions
CN107387850B (en
Inventor
李民培
王雪
沈群麒
胡广慧
董桂权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Ji Li Electromechanical Equipment Co Ltd
Original Assignee
Tianjin Ji Li Electromechanical Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Ji Li Electromechanical Equipment Co Ltd filed Critical Tianjin Ji Li Electromechanical Equipment Co Ltd
Priority to CN201710542714.9A priority Critical patent/CN107387850B/en
Publication of CN107387850A publication Critical patent/CN107387850A/en
Application granted granted Critical
Publication of CN107387850B publication Critical patent/CN107387850B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00Automatic clutches
    • F16D43/02Automatic clutches actuated entirely mechanically
    • F16D43/20Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
    • F16D43/21Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D7/00Slip couplings, e.g. slipping on overload, for absorbing shock
    • F16D7/02Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type

Abstract

The invention provides a kind of overload protective device for Valve controlling, including housing, and it is rotatably connected to actuator fast joint, and the gap between actuator fast joint and housing passes through adjustable with the adjusting nut of actuator fast joint thread connection;Friction plate is installed in gap between actuator fast joint and housing;Drive disk, it is fixed in one end that housing deviates from actuator fast joint.Overload protective device of the present invention for Valve controlling, convenient disassembly, securely and reliably.Steel ball is driven by sliding fast female connector shell, can realize and be installed on the quick-snap connection of the execution set on actuator.By all directions head on drive disk, the control piece of itself and valve internal can be quickly set to be connected.By adjusting nut, adaptability regulation can be carried out to frictional force caused by friction plate.When torsion caused by actuator is more than setting value, actuator fast joint produces relative rotation with housing, avoids excessive torsion from causing the damage of valve internal control piece.

Description

A kind of overload protective device for Valve controlling
Technical field
The invention belongs to technical field of valve control, more particularly, to a kind of overload protective device.
Background technology
Existing oil pipeline typically can carry out the conducting of pipeline and closure using large size valve.Due to large size valve Volume is more huge, and the opening and closing of its own is also all to drive the control piece of valve internal to rotate to realize by actuator.
Because the start and stop of actuator are all the processes of a gradual change, i.e., operating actuator after receiving and ceasing and desisting order, It is not static immediately, it needs a process gradually slowed down.During above-mentioned deceleration, even if valve has been switched off Or maximum position is opened to, but actuator can still drive the control piece of valve internal to rotate.In this case, Valve controlling part Will be by the torsion of excess, it is easy to damage.
The content of the invention
In view of this, the present invention is directed to propose a kind of overload protective device for Valve controlling, to solve in the prior art, Valve is during opening and closing, and its internal control piece is by the excessive torsion of actuator, the problem of easily causing damage.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way:
A kind of overload protective device for Valve controlling, including housing, it is rotatably connected to actuator fast joint, actuator Gap between fast joint and housing passes through adjustable with the adjusting nut of actuator fast joint thread connection;Actuator fast joint with Friction plate is installed in gap between housing;Drive disk, it is fixed in one end that housing deviates from actuator fast joint.
Further, the actuator fast joint includes axle sleeve, and axle sleeve is provided with away from one end of the housing and connects hole soon;Connect soon The hole wall in hole is provided with some ball, and the steel ball moved back and forth along its axis is provided with ball.
Further, the outer sheath of the axle sleeve is equipped with fast female connector shell, and the madial wall of fast female connector shell is provided with and the steel ball Position it is corresponding move back ball groove;It is fast that stage clip is installed between female connector shell and axle sleeve, and along its axle on the lateral wall of fast female connector shell To being evenly equipped with some anti-slip veins.
Further, the longitudinal section for connecing hole soon is hexagon, connects the execution corresponding with its pass is plugged with hole soon Set, performs the clamping annular groove for being additionally provided with the lateral wall of set and engaging with the steel ball.
Further, the housing is provided with connection through hole, and the actuator fast joint also includes being placed in connection through hole, and with The inner sleeve of housing into rotation connection;In the part insertion inner sleeve of the axle sleeve, and key connection between the two.
Further, limit is additionally provided with by fastener axial restraint between the inner sleeve and axle sleeve, and between inner sleeve and axle sleeve Bit slice.
Further, border is provided with and embraces pressure ring on the hole wall of the connection through hole;The inner sleeve, which passes through, embraces a pressure ring, outside inner sleeve Circle side wall is provided with preceding throw-out collar, and preceding throw-out collar is located between the drive disk and armful pressure ring;The adjusting nut positioned at embrace pressure ring with Between axle sleeve, and adjusting nut is threadedly coupled with inner sleeve;The friction plate is annular, and shares two, is respectively placed in preceding throw-out collar Between armful pressure ring and between adjusting nut and armful pressure ring.
Further, it is additionally provided with butterfly spring between the adjusting nut and friction plate;Pacify between butterfly spring and friction plate Equipped with pressure pad, stopping shim is installed between butterfly spring and adjusting nut;The inner sleeve is also set with copper sheathing, and copper sheathing is placed in institute State and embrace between pressure ring and inner sleeve.
Further, the end of the drive disk is provided with all directions head, and the outline of all directions head longitudinal section is octagon;From all directions The end of head is provided with the driving front hole of insertion.
Further, shield plug is removably connected with the driving front hole, protects the cylindrical side wall of plug provided with some anti-skidding Groove.
Relative to prior art, the overload protective device of the present invention for Valve controlling has the advantage that:
Overload protective device of the present invention for Valve controlling, convenient disassembly, securely and reliably.By sliding fast female connector Shell drives steel ball, can realize and be installed on the quick-snap connection of the execution set on actuator.Pass through all directions on drive disk Head, the control piece of itself and valve internal can be quickly set to be connected., can be to being rubbed caused by friction plate by adjusting nut Wipe power and carry out adaptability regulation.When torsion caused by actuator is more than setting value, actuator fast joint produces relative with housing Rotate, avoid excessive torsion from causing the damage of valve internal control piece.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the main view of the overload protective device for Valve controlling described in the embodiment of the present invention to semi-cutaway;
Fig. 2 is the enlarged drawing of I parts in Fig. 1;
Fig. 3 is enlarged drawing of the II parts under clamped condition in Fig. 1;
Fig. 4 is enlarged drawing of the II parts under dismounting state in Fig. 1.
Description of reference numerals:
1- shield plugs;2- drive disks;201- all directions head;3- driving fronts hole;4- inner sleeves;Throw-out collar before 401-;5- housings;501- is embraced Pressure ring;6- banking stops;7- axle sleeves;701- ball;8- performs set;Driving hole after 801-;802- clamping annular grooves;The fast female connector shells of 9-; 901- anti-slip veins;902- moves back ball groove;10- friction plates;11- copper sheathings;12- stopping shims;13- adjusting nuts;14- butterfly bullets Spring;15- pressure pads;16- stage clips;17- steel balls.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Such as Fig. 1-3, the present invention proposes a kind of overload protective device for Valve controlling, including housing 5, and it is rotatably connected to Actuator fast joint, the gap between actuator fast joint and housing 5 pass through the adjustment spiral shell with actuator fast joint thread connection Mother 13 is adjustable;Friction plate 10 is installed in the gap between actuator fast joint and housing 5;Drive disk 2, it is fixed in housing 5 Away from one end of actuator fast joint.
The drive disk that actuator fast joint is used for quickly with actuator is connected;And drive disk 2 be used for in valve The control piece drive connection in portion.By the gap value between adjusting actuator fast joint and housing 5, the pressure to friction plate 10 is realized The adjustment of tight degree, and then the size of the frictional force between adjusting actuator fast joint and housing 5.
Above-mentioned actuator fast joint includes axle sleeve 7, and axle sleeve 7 is provided with away from one end of above-mentioned housing 5 and connects hole soon;Hole is connect soon Hole wall is provided with some ball 701, and the steel ball 17 moved back and forth along its axis is provided with ball 701.Ball 701 along connecing hole soon Radially extend, and ball 701 surround connect soon hole axis it is uniform.Ball 701 is smaller with connecing one end aperture that hole connects soon, After execution set 8 separates with axle sleeve 7, the structure can prevent steel ball 17 from being come off out of ball 701.
The outer sheath of above-mentioned axle sleeve 7 is equipped with fast female connector shell 9, and the madial wall of fast female connector shell 9 is provided with and above-mentioned steel ball 17 Put and corresponding move back ball groove 902;Stage clip 16 is installed between fast female connector shell 9 and axle sleeve 7, and on the lateral wall of fast female connector shell 9 Some anti-slip veins 901 are evenly equipped with along its axial direction.The fast female connector shell 9 of push-and-pull vertically, when fast female connector shell 9 blocks ball 701, ball Steel ball 17 in hole 701 is squeezed to press to connect in hole soon and moved, and realizes and is connected and fixed to connecing the set of the execution in hole 8 soon.Such as Fig. 4, when Move back ball groove 902 and ball 701 to it is corresponding when steel ball 17 can be retracted into by ball 701 in ball groove 902, performing set 8 can be carried out Plug.Stage clip 16 realizes that axle sleeve 7 automatically resets in the case of inadmissible.
The above-mentioned longitudinal section for connecing hole soon is hexagon, connects the execution set 8 corresponding with its pass is plugged with hole soon, perform The clamping annular groove 802 engaged with above-mentioned steel ball 17 is additionally provided with the lateral wall of set 8.The longitudinal section of clamping annular groove 802 is " V " type, When plug performs set 8 steel ball 17 can be promoted to be moved into ball 701.Hexagon or polygon connect hole and can make execution soon Set 8 is rotated with axle sleeve 7, and steel ball 17 is engaged with clamping annular groove 802, and the axial direction that perform set 8 can be fixed.
Perform the rear driving hole 801 that insertion is provided with set 8, the drive disk key connection of rear driving hole 801 and actuator.
Above-mentioned housing 5 be provided with connection through hole, above-mentioned actuator fast joint also include be placed in connection through hole in, and with housing 5 The inner sleeve 4 of rotation connection;In the part insertion inner sleeve 4 of above-mentioned axle sleeve 7, and key connection between the two.Axle sleeve 7 passes through inner sleeve 4 It is rotatablely connected with housing 5.
By fastener axial restraint between above-mentioned inner sleeve 4 and axle sleeve 7, and banking stop is additionally provided between inner sleeve 4 and axle sleeve 7 6.Realized and be connected by key between inner sleeve 4 and axle sleeve 7, both synchronous axial systems;Further through fastening between inner sleeve 4 and axle sleeve 7 Part realizes axial restraint.Banking stop 6 can engage to axle sleeve 7, and ensureing inner sleeve 4 and axle sleeve 7, both are coaxial.
Border, which is provided with, on the hole wall of above-mentioned connection through hole embraces pressure ring 501;Above-mentioned inner sleeve 4, which passes through, embraces a pressure ring 501, inner sleeve 4 Cylindrical side wall is provided with preceding throw-out collar 401, and preceding throw-out collar 401 is located between above-mentioned drive disk 2 and armful pressure ring 501;Above-mentioned adjusting nut 13 positioned at being embraced between pressure ring 501 and axle sleeve 7, and adjusting nut 13 is threadedly coupled with inner sleeve 4;Above-mentioned friction plate 10 is annular, and Two are shared, before being respectively placed between throw-out collar 401 and armful pressure ring 501 and between adjusting nut 13 and armful pressure ring 501.Pass through rotation Turn adjusting nut 13, change the distance between adjusting nut 13 and preceding throw-out collar 401, i.e., adjusting nut 13 (preceding throw-out collar 401) is with embracing The distance between pressure ring 501.Whole nut 13 (preceding throw-out collar 401) with embracing pressure ring 501 apart from smaller, friction plate 10 with both caused by Frictional force is bigger, is also just less susceptible to produce relative rotation between actuator fast joint and housing 5, i.e., caused torsion is got over Greatly.
Butterfly spring 14 is additionally provided between above-mentioned adjusting nut 13 and friction plate 10;Between butterfly spring 14 and friction plate 10 Pressure pad 15 is installed, stopping shim 12 is installed between butterfly spring 14 and adjusting nut 13.Adjusting nut 13 is rotated, makes its pressure Compel butterfly spring 14 to deform, elastic force caused by butterfly spring 14 acts on friction plate 10, can be preferably with embracing Pressure ring 501 contacts.Pressure pad 15 and stopping shim 12 are provided to make butterfly spring 14 reliably produce elastic force, and elastic force is uniform Be delivered on friction plate 10.
Above-mentioned inner sleeve 4 is also set with copper sheathing 11, and copper sheathing 11 is placed between above-mentioned armful of pressure ring 501 and inner sleeve 4.The structure be for Mitigate inner sleeve 4 and embrace the mutual abrasion between pressure ring 501, increase both service life.
The end of above-mentioned drive disk 2 is provided with all directions first 201, and the outline of first 201 longitudinal section is octagon from all directions;From all directions First 201 end is provided with the driving front hole 3 of insertion.The structure enables in order that drive disk 2 is more reliable and more stable and valve Internal control piece drive connection.
Shield plug 1 is removably connected with above-mentioned driving front hole 3, the cylindrical side wall of shield plug 1 is provided with some anti-slip tanks.Shield Plug 1 can prevent dust 1 from entering the inside of drive disk 2 by driving front hole 3, and then friction plate 10 is polluted, and make it Failure.
8 be sleeved in use, will first perform set on the drive disk of actuator, promote fast female connector shell 9 make to move back ball groove 902 it is right Quasi- ball 701.After axle sleeve 7 is sleeved on execution set 8, fast female connector shell 9 is unclamped, steel ball 17 is realized with clamping annular groove 802 to be engaged It is fixed.
By from all directions first 201, by the control piece grafting of drive disk 2 and valve internal.
After installation, adjusting nut 13 is rotated, changes the pressure that friction plate 10 is subject to.
When torsion caused by actuator is less than setting value, under the drive of frictional force caused by friction plate 10, with this hair The valve internal control piece of bright connection rotates with actuator.After the completion of valve opening or closing, its internal control piece is not It is rotated further by, if now actuator is still rotating, its caused torsion will gradually increase.When the torsion is more than setting value, that is, rub Caused by pad 10 during frictional force, relatively rotate, realized to valve internal control piece between actuator fast joint and housing 5 Protective effect.
Overload protective device of the present invention for Valve controlling, convenient disassembly, securely and reliably.By sliding fast female connector Shell 9 drives steel ball 17, can realize and be installed on the quick-snap connection of the execution set 8 on actuator.By on drive disk 2 All directions first 201, the control piece of itself and valve internal can be quickly set to be connected., can be to friction by adjusting nut 13 Frictional force caused by piece 10 carries out adaptability regulation.When torsion caused by actuator is more than setting value, actuator fast joint with Housing 5 produces relative rotation, and avoids excessive torsion from causing the damage of valve internal control piece.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.

Claims (10)

  1. A kind of 1. overload protective device for Valve controlling, it is characterised in that including:
    Housing (5), it is rotatably connected to actuator fast joint, and the gap between actuator fast joint and housing (5) passes through with holding The adjusting nut (13) of row device fast joint thread connection is adjustable;It is provided with gap between actuator fast joint and housing (5) Friction plate (10);
    Drive disk (2), it is fixed in one end that housing (5) deviates from actuator fast joint.
  2. 2. the overload protective device according to claim 1 for Valve controlling, it is characterised in that:The actuator fast joint Including axle sleeve (7), axle sleeve (7) is provided with away from one end of the housing (5) and connects hole soon;The hole wall for connecing hole soon is provided with some ball (701) steel ball (17) moved back and forth along its axis, is installed in ball (701).
  3. 3. the overload protective device according to claim 2 for Valve controlling, it is characterised in that:Outside the axle sleeve (7) Side is set with fast female connector shell (9), and the madial wall of fast female connector shell (9) moves back ball provided with corresponding with the steel ball (17) position Groove (902);
    It is fast that stage clip (16) is installed between female connector shell (9) and axle sleeve (7) and axially equal along it on the lateral wall of fast female connector shell (9) It is furnished with some anti-slip veins (901).
  4. 4. the overload protective device according to claim 3 for Valve controlling, it is characterised in that:Connect hole soon vertical section Face is hexagon, connects the execution set (8) corresponding with its pass is plugged with hole soon, perform and be additionally provided with the lateral wall of set (8) The clamping annular groove (802) engaged with the steel ball (17).
  5. 5. according to the overload protective device for Valve controlling described in claim any one of 1-4, it is characterised in that:The housing (5) connection through hole is provided with, the actuator fast joint also includes being placed in connection through hole, and interior with housing (5) rotation connection Cover (4);In the part insertion inner sleeve (4) of the axle sleeve (7), and key connection between the two.
  6. 6. the overload protective device according to claim 5 for Valve controlling, it is characterised in that:The inner sleeve (4) and axle By fastener axial restraint between set (7), and banking stop (6) is additionally provided between inner sleeve (4) and axle sleeve (7).
  7. 7. the overload protective device according to claim 5 for Valve controlling, it is characterised in that:The hole of the connection through hole Border, which is provided with, on wall embraces pressure ring (501);
    The inner sleeve (4) is provided with preceding throw-out collar (401), preceding throw-out collar (401) through pressure ring (501), the cylindrical side wall of inner sleeve (4) is embraced Between the drive disk (2) and armful pressure ring (501);The adjusting nut (13) positioned at embrace pressure ring (501) and axle sleeve (7) it Between, and adjusting nut (13) is threadedly coupled with inner sleeve (4);
    The friction plate (10) is annular, and shares two, be respectively placed between preceding throw-out collar (401) and armful pressure ring (501) and Between adjusting nut (13) and armful pressure ring (501).
  8. 8. the overload protective device according to claim 7 for Valve controlling, it is characterised in that:The adjusting nut (13) Butterfly spring (14) is additionally provided between friction plate (10);Pressure pad is installed between butterfly spring (14) and friction plate (10) (15) stopping shim (12), is installed between butterfly spring (14) and adjusting nut (13);
    The inner sleeve (4) is also set with copper sheathing (11), and copper sheathing (11) is placed in described embrace between pressure ring (501) and inner sleeve (4).
  9. 9. the overload protective device according to claim 1 for Valve controlling, it is characterised in that:The drive disk (2) End is provided with all directions head (201), and the outline of all directions head (201) longitudinal section is octagon;The end of all directions head (201) is provided with The driving front hole (3) of insertion.
  10. 10. the overload protective device according to claim 9 for Valve controlling, it is characterised in that:The driving front hole (3) Interior dismountable shield that is connected with fills in (1), and the cylindrical side wall of shield plug (1) is provided with some anti-slip tanks.
CN201710542714.9A 2017-07-05 2017-07-05 Overload protector for valve control Active CN107387850B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710542714.9A CN107387850B (en) 2017-07-05 2017-07-05 Overload protector for valve control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710542714.9A CN107387850B (en) 2017-07-05 2017-07-05 Overload protector for valve control

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CN107387850A true CN107387850A (en) 2017-11-24
CN107387850B CN107387850B (en) 2023-12-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483817A (en) * 2021-11-23 2022-05-13 株洲时代新材料科技股份有限公司 Torque limiter and assembling method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2044674U (en) * 1988-04-08 1989-09-20 张兆岐 Digit-displayed electric drive device for explosion -proof valve
CN102767607A (en) * 2012-07-25 2012-11-07 武汉正通传动技术有限公司 Synchronous pulley with torque limit
CN103075597A (en) * 2012-12-25 2013-05-01 宁波祥瑞气动工具有限公司 Safety self-locking quick joint
CN105276206A (en) * 2015-11-06 2016-01-27 浙江万龙机械有限公司 Torque limiting device and valve with same
CN106370413A (en) * 2016-10-24 2017-02-01 特福隆(上海)科技有限公司 Testing apparatus for service life of load of valve execution mechanism and using method thereof
WO2017096515A1 (en) * 2015-12-08 2017-06-15 山东博日明能源科技有限公司 Self-actuated emergency shut-off valve
CN207333916U (en) * 2017-07-05 2018-05-08 天津吉秝机电设备有限公司 A kind of limiter of moment for valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2044674U (en) * 1988-04-08 1989-09-20 张兆岐 Digit-displayed electric drive device for explosion -proof valve
CN102767607A (en) * 2012-07-25 2012-11-07 武汉正通传动技术有限公司 Synchronous pulley with torque limit
CN103075597A (en) * 2012-12-25 2013-05-01 宁波祥瑞气动工具有限公司 Safety self-locking quick joint
CN105276206A (en) * 2015-11-06 2016-01-27 浙江万龙机械有限公司 Torque limiting device and valve with same
WO2017096515A1 (en) * 2015-12-08 2017-06-15 山东博日明能源科技有限公司 Self-actuated emergency shut-off valve
CN106370413A (en) * 2016-10-24 2017-02-01 特福隆(上海)科技有限公司 Testing apparatus for service life of load of valve execution mechanism and using method thereof
CN207333916U (en) * 2017-07-05 2018-05-08 天津吉秝机电设备有限公司 A kind of limiter of moment for valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483817A (en) * 2021-11-23 2022-05-13 株洲时代新材料科技股份有限公司 Torque limiter and assembling method thereof
CN114483817B (en) * 2021-11-23 2024-02-27 株洲时代新材料科技股份有限公司 Torque limiter and assembly method thereof

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