CN116181951A - Single-acting screw rod manual mechanism with travel indication - Google Patents
Single-acting screw rod manual mechanism with travel indication Download PDFInfo
- Publication number
- CN116181951A CN116181951A CN202211425250.0A CN202211425250A CN116181951A CN 116181951 A CN116181951 A CN 116181951A CN 202211425250 A CN202211425250 A CN 202211425250A CN 116181951 A CN116181951 A CN 116181951A
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- screw
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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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Actuator (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention discloses a screw rod manual mechanism, which belongs to the technical field of screw rod mechanisms, and in particular relates to a single-action screw rod manual mechanism with a travel indication, wherein a first through groove, a second through groove and a third through groove are formed in a protective cover so as to enable the screw rod to be switched among a first state, a second state and a third state; in the first state, the indicator moves to the position below the first through groove, and the screw rod manual mechanism is in a pneumatic state; in the second state, the indicator moves to the position below the second through groove, and the screw rod manual mechanism is in a manual closing or opening state; in the third state, the indicator moves in a third through groove, and the screw rod manual mechanism is in a working state; therefore, the invention can display the specific position of the manual operating mechanism, and meanwhile, the safety area is marked clearly on the protective cover, so that the manual operating mechanism is ensured to be positioned in the safety area under the pneumatic state, and the accident caused by the undefined position of the manual operating mechanism is reduced.
Description
Technical Field
The invention discloses a screw rod manual mechanism, belongs to the technical field of screw rod mechanisms, and particularly relates to a single-action screw rod manual mechanism with a travel indication function.
Background
The screw rod manual mechanism is used as a manual operation module of the shifting fork type pneumatic actuating mechanism, and the current disadvantage is that a user cannot intuitively judge whether the manual mechanism is in a pneumatic state or a manual state, and the position of the manual mechanism can be clarified only by means of a position display device of the shifting fork actuating mechanism. However, there is a limitation in judging the switching position of the manual mechanism by means of the position display device of the fork actuating mechanism. Because the shifting fork actuating mechanism box body module is provided with the limiting device, when the shifting fork moves to the limiting device, the shifting fork stops rotating, the position display device is also inactive, and the position display module of the actuating mechanism cannot judge the specific position of the manual mechanism. In this case, the position of the manual mechanism is determined by the operator's structural knowledge and experience of the fork actuator. This is certainly difficult for an average operator.
The existing screw rod manual mechanism has the following problems:
1. the manual operating mechanism cannot directly display its switch position, and in particular, whether the manual operating mechanism is in a pneumatic state.
2. When someone inadvertently turns the hand wheel of the manual operating mechanism, the manual operating mechanism may be out of the pneumatic safety area, but the problem cannot be directly found due to the lack of the manual operating mechanism travel indicating device. In this case, when the pneumatic actuator is pneumatically operated, it is likely that the pneumatic actuator will not move to the designated position. As the manual operating mechanism impedes the operation of the pneumatic actuator.
3. Because of the lack of a position display device of the manual operating mechanism, when the manual operating mechanism is reset, an operator does not know whether the manual operating mechanism is moved back to a pneumatic state position, and if the pneumatic position is reached and the screw rod is continuously moved back, the protective cover may be damaged.
Disclosure of Invention
The invention aims to: the single-acting screw rod manual mechanism with the travel indication is provided, and the problem that the screw rod manual mechanism cannot directly display the switch position of the screw rod manual mechanism, and particularly cannot display whether the manual operation mechanism is in a pneumatic state or not is solved.
The technical scheme is as follows: a single-action screw manual mechanism with travel indication, comprising: anti-rotation sleeve, extension bar, anti-rotation block, anti-rotation screw, flange, hand wheel disk, end face bearing, sealing ring, key, nut, lead screw, transparent cover, anti-rotation screw, sealing ring, screw, protective cover, indicator, protective cover, sealing ring, screw, shaft retainer ring.
In a further embodiment, the nut 11 is fitted with the screw 12, the nut 11 is provided with the hand wheel disc 7, and the two are connected by the key 10. An end face bearing 8 is arranged between the nut 11 and the connecting flange 6, the anti-rotation sleeve 1 is connected with the connecting flange 6 through a screw 5, the screw rod 12 is provided with an anti-rotation block 3, and the anti-rotation screw 4 is used for fixing the anti-rotation block 3 and the screw rod 12 so that the anti-rotation block and the screw rod 12 cannot rotate relatively. A sealing ring 9 is arranged between the nut 11 and the connecting flange 6.
In a further embodiment, the screw 12 is provided with a screw extension bar 2 at its end. The other end of the nut 11 is connected with a protective cover 19, the protective cover 19 is connected with a protective cover 17, an anti-rotation screw 14 is arranged between the protective cover 19 and the protective cover 17, one end of a transparent cover 13 is connected to the nut 11, the other end is connected to the protective cover 17, and sealing rings 15 and 20 are respectively arranged at two ends.
In a further embodiment, the other end of the screw 12 has an indicator 18, the indicator 18 being attached to the screw 12 by a screw 16. The shaft retainer 22 is mounted on the nut 11 for preventing axial play of the roulette wheel 7.
In a further embodiment, the shield 19 has a first through slot 19-3, a second through slot 19-5 and a third through slot 19-2, wherein the through slots 19-3 and 19-5 are different from the through slot 19-2 for distinguishing between the special meaning of the movement of the screw manual mechanism to these two positions. When the indicator 18 moves into the through slot 19-3, the screw manual mechanism is in a pneumatic state, the first mark 19-4 is marked as "AUTO", when the indicator 18 moves into the through slot 19-5, the screw manual mechanism is in a manual CLOSED or OPEN position, and the second mark 19-1 is marked as "OPEN (FC), CLOSED (FO)", meaning that when the indicator 18 is in the through slot 19-5, the position is OPEN for the spring return CLOSED (FC) actuator; for a spring-return open (FO) actuator, this position is the closed position.
In a further embodiment, the indicator 18 may be viewed through the transparent cover 13, thereby viewing the position of the screw manual mechanism
The beneficial effects are that: the invention discloses a screw rod manual mechanism, which belongs to the technical field of screw rod mechanisms, and in particular relates to a single-action screw rod manual mechanism with a travel indication, wherein a first through groove, a second through groove and a third through groove are formed in a protective cover so as to enable the screw rod to be switched among a first state, a second state and a third state; in the first state, the indicator moves to the position below the first through groove, and the screw rod manual mechanism is in a pneumatic state; in the second state, the indicator moves to the position below the second through groove, and the screw rod manual mechanism is in a manual closing or opening state; in the third state, the indicator moves in a third through groove, and the screw rod manual mechanism is in a working state; therefore, the invention can display the specific position of the manual operating mechanism, and meanwhile, the safety area is marked clearly on the protective cover, so that the manual operating mechanism is ensured to be positioned in the safety area under the pneumatic state, and the accident caused by the undefined position of the manual operating mechanism is reduced.
Drawings
Fig. 1 is a cross-sectional view of a screw manual mechanism of the present invention.
Fig. 2 is a front view of the screw manual mechanism of the present invention.
Fig. 3 is a view of a shield travel indication for the screw manual mechanism of the present invention.
Fig. 4 is a schematic view of an anti-rotation sleeve of the screw manual mechanism of the present invention.
Fig. 5 is a cross-sectional view of a fork-type pneumatic actuator of the present invention.
Fig. 6 is a structural view of a shift fork type pneumatic actuator according to the present invention.
Reference numerals: the anti-rotation sleeve 1, the extension bar 2, the anti-rotation block 3, the first anti-rotation screw 4, the second screw 5, the connecting flange 6, the hand wheel disk 7, the end face bearing 8, the first sealing ring 9, the key 10, the nut 11, the screw rod 12, the transparent cover 13, the second anti-rotation screw 14, the second sealing ring 15, the first screw 16, the shield cover 17, the indicator 18, the shield 19, the third sealing ring 20, the third screw 21, the shaft retainer 22, the first through groove 19-3, the second through groove 19-5, the third through groove 19-2, the first mark 19-4, the second mark 19-1, the square tube 1-1, the flange 1-2, the cylinder module 23, the box module 24, the spring module 25, the screw rod manual module 26, the cylinder cap 231, the piston 232, the connecting cap 233, the piston rod 234, the fork 241, the slider 242, the driving pin 243, the box 244, the spring connecting cap 251, the spring 252, the spring rod 253, the safety nut 254, the spring seat 255, the spring tube 256, the pull rod 235, the limit bolt 245, the box cap 246, the cover 246, the top cap 247, and the cylinder body 236.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Hereinafter, the screw manual mechanism and the screw manual module are the same mechanism, wherein the first mark 19-4 is marked with an AUTO pneumatic state mark; the second flag 19-1, labeled "CLOSED (FO)" is a manual off state flag, indicating the actuator for spring-return open (FO), which is the off position; the flag "OPEN (FC)" is an OPEN state flag indicating that the position is on for the spring return closed (FC) actuator.
Example 1:
as shown in fig. 1 to 4, a single-action screw manual mechanism with travel indication, comprising: the screw rod 12 is in threaded connection with the inner ring of the nut 11; an indicator 18, the indicator 18 being attached to the end of the screw 12 by a first screw 16; the protective cover 19 is sleeved outside the screw rod 12; the hand wheel disc 7 is matched with the nut 11, the nut 11 is connected with the hand wheel disc 7 through a key 10, the connecting flange 6 is connected with one end of the nut 11 through an end face bearing 8, and a first sealing ring 9 is arranged between the nut 11 and the connecting flange 6; the anti-rotation sleeve 1 is propped against one end face of the nut 11 and is connected with the connecting flange 6 through a second screw 5; the anti-rotation block 3 is fixedly arranged on the outer circumferential surface of the tail part of the screw rod 12 through a first anti-rotation screw 4; the extension rod 2 is connected with the tail end of the screw rod 12, abuts against the anti-rotation block 3 and is positioned in the anti-rotation sleeve 1.
In one embodiment, the protective cover 19 is provided with a first through groove 19-3, a second through groove 19-5 and a third through groove 19-2, so that the screw rod 12 is switched among a first state, a second state and a third state; in the first state, the indicator 18 moves to the position below the first through groove 19-3, and the screw manual mechanism is in a pneumatic state; in the second state, the indicator 18 moves to the position below the second through groove 19-5, and the screw manual mechanism is in a manual closed or open state; in the third state, the indicator 18 moves in the third through slot 19-2, and the screw manual mechanism is in an operating state.
In one embodiment, the third through slot 19-2 is connected between the first through slot 19-3 and the second through slot 19-5;
the two sides of the first through groove 19-3 are provided with first marks 19-4, and the first marks 19-4 are pneumatic state marks;
the two sides of the second through groove 19-5 are provided with second marks 19-1, and the second marks 19-1 comprise a manual closing state mark and an opening state mark;
in one embodiment, one end of the protective cover 19 abuts against the nut 11, the other end is connected with the protective cover 17 through threads, and a second anti-rotation screw 14 is arranged in the radial direction to prevent the protective cover 17 from rotating;
a cavity is formed between the protective cover 19 and the screw rod 12, a transparent cover 13 is arranged in the cavity, one end of the transparent cover 13 abuts against the nut 11, the other end of the transparent cover 13 is connected with the protective cover 17, a second sealing ring 15 is arranged between the transparent cover 13 and the protective cover 17, and a third sealing ring 20 is arranged between the transparent cover 13 and the nut 11.
In one embodiment, the anti-rotation sleeve 1 comprises a mode of integral form and a mode of combined form;
in the combined manufacturing mode, the anti-rotation sleeve 1 consists of a square tube 1-1 and a flange 1-2.
In one embodiment, the nut 11 is provided with a retainer ring 22 for a shaft, so as to prevent the hand wheel disc 7 from axially moving.
In the above, when the screw rod manual mechanism works, the screw rod manual mechanism is assembled in the mounting mode and is mounted in the shifting fork type pneumatic actuating mechanism, so that the hand wheel disc 7 is rotated, the nut 11 is driven to rotate through the connection of the key 10, the screw rod 12 in the interior moves inwards and outwards, and a worker can check the specific position of the mechanism according to the indicator 18 on the screw rod 12;
when the indicator 18 moves to the first through groove 19-3, the screw rod manual mechanism is in a pneumatic state, and the first mark 19-4 is a mark 'AUTO';
when the indicator 18 moves into the second through slot 19-5, the screw manual mechanism is in a manual CLOSED or OPEN position, the second mark 19-1 is the mark "OPEN (FC), CLOSED (FO)", meaning that the actuator for the spring 252 is reset CLOSED (FC) when the indicator 18 is in the through slot 19-5, this position is on; resetting the open (FO) actuator to the spring 252, which is the closed position;
when the indicator 18 is in the third through groove 19-2, the screw rod manual mechanism is in a moving state at the moment; resetting the open (FO) actuator to the spring 252, which is the closed position;
when the indicator is in the third through slot 19-2, this indicates that the screw manual mechanism is now in a moving state.
Example 2:
as shown in fig. 5 to 6, the fork-type pneumatic actuator includes: the device comprises a cylinder module 23, a box module 24, a spring module 25 and a screw rod manual module 26; one end of the box module 24 is connected with the cylinder module 23, the other end of the box module is connected with one end of the spring module 25, and the screw rod manual module 26 is connected with the other end of the spring module 25 through a third screw.
In one embodiment, the cylinder module 23 includes: the cylinder block 236, the cylinder head 231, the connecting cover 233, the piston rod 234, the tie rod 235, and the cylinder block 236 are connected by 4 tie rods 235, the cylinder head 231, and the connecting cover 233. The cylinder body 236 is located in the area formed by the cylinder cover 231, the connecting cover 233 and the pull rod 235, a piston 232 and a piston rod 234 with one end fixedly connected with the piston 232 are arranged inside the cylinder body 236, and the piston rod 234 penetrates through the connecting cover 233 and the cylinder.
In one embodiment, the tank module 24 includes: fork 241, slider 242, drive pin 243, box 244, stop bolt 245, case cover 246, top cap 247. The box module 24 one end with the junction box 233 is connected, and the slider 242 installs in on the inside guide rail of box 244, driving pin 243, fixed mounting in the slider 242, the other end of piston rod 234 with slider 242 is connected, shift fork 241 installs in inside the box 244, the box 244 both sides are equipped with stop bolt 245, stop bolt 245 is connected to inside the box 244, box 244 top is equipped with fixed connection's case lid 246, be equipped with fixed connection's top cap 247 on the case lid 246.
In one embodiment, the spring module 25 comprises: the spring connecting cover 251, one side and the other end fixed connection of box 244, spring tube 256, one end with the opposite side fixed connection of spring connecting cover 251, spring holder 255 is located spring tube 256 is inside, spring 252, the installation with the outside of spring holder 255, and one end with spring holder 255 offsets, spring rod 253, one end pass through safety nut 254 fixed mounting in spring holder 255 is inside, the other end passes spring connecting cover 251 and box 244 and slider 242 fixed connection, the other end of spring tube 256 passes through third screw 21 with the flange 6 of lead screw manual module 26 is connected.
Through the above description, when the shift fork type pneumatic actuator works, along with the rotation of the hand wheel disc 7 in the screw rod manual module 26, the screw rod moves in the direction of the box body module 24 through the movement of the screw rod, and then drives the extension rod to move, along with the movement of the extension rod, the spring rod 253 is propped against, so that the spring rod 253 is driven to move towards the box body module 24, the spring 252 is compressed in the spring cylinder 256 by the spring seat 255 under the action of the safety nut 254, and the other end of the spring rod 253 drives the sliding block 242 to move on the guide rail in the box body 244, so that the piston rod 234 on the sliding block 242 is driven, and the shift fork 241 is driven to rotate, so that the shift fork type pneumatic actuator works.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (7)
1. A single-action screw manual mechanism with travel indication, characterized in that the screw manual mechanism comprises:
a screw rod;
the indicator is connected to the end part of the screw rod through a first screw;
the protective cover is sleeved outside the screw rod, and a first through groove, a second through groove and a third through groove are formed in the protective cover so that the screw rod can be switched among a first state, a second state and a third state; in the first state, the indicator moves to the position below the first through groove, and the screw rod manual mechanism is in a pneumatic state; in the second state, the indicator moves to the position below the second through groove, and the screw rod manual mechanism is in a manual closing or opening state; in the third state, the indicator moves in the third through groove, and the screw rod manual mechanism is in a working state.
2. A single-acting lead screw manual mechanism with travel indication according to claim 1, wherein said third through slot is connected between said first through slot and said second through slot;
the two sides of the first through groove are provided with first marks, and the first marks are pneumatic state marks;
and second marks are arranged on two sides of the second through groove, and each second mark comprises a manual closing state mark and an opening state mark.
3. A single-acting lead screw manual mechanism with travel indication as defined in claim 1, further comprising:
a nut;
the hand wheel disc is matched with the nut, the nut is connected with the hand wheel disc through a key, and the screw rod is in threaded connection with the inner ring of the nut;
the connecting flange is connected with one end of the nut through an end face bearing, and a first sealing ring is arranged between the nut and the connecting flange;
the anti-rotation sleeve is propped against one end face of the nut and is connected with the connecting flange through a second screw;
the anti-rotation block is fixedly arranged on the outer circumferential surface of the tail part of the screw rod through a first anti-rotation screw;
the extension rod is connected with the tail end of the screw rod, props against the anti-rotation block and is positioned in the anti-rotation sleeve.
4. A single-acting screw hand operated mechanism with travel indication according to claim 3, wherein one end of the shield abuts against the nut and the other end is connected with the shield cover by screw threads, and a second anti-rotation screw is arranged in the radial direction to prevent the shield cover from rotating;
there is the cavity between protection casing with there is the cavity, be equipped with the transparent cover in the cavity, transparent cover one end supports nut, the other end with the guard shield lid is connected, just the transparent cover with be equipped with the second sealing washer between the guard shield lid, the transparent cover with be equipped with the third sealing washer between the nut.
5. A single-acting lead screw manual mechanism with travel indication according to claim 3, wherein said anti-rotation sleeve comprises an integral form and a combination form;
the anti-rotation sleeve in the combined manufacturing mode consists of a square tube and a flange.
6. A single-acting screw hand operated mechanism with travel indication according to claim 3, wherein the nut is provided with a retainer ring for the shaft to prevent axial play of the hand wheel disc.
7. A single-acting lead screw manual mechanism with travel indication as defined in claim 1, wherein said lead screw manual mechanism is mounted on said shift fork pneumatic actuator, said shift fork pneumatic actuator comprising: the device comprises a cylinder module, a box module, a spring module and a screw rod manual mechanism; one end of the box body module is connected with the air cylinder module, the other end of the box body module is connected with one end of the spring module, and the screw rod manual mechanism is connected with the other end of the spring module through a third screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211425250.0A CN116181951A (en) | 2022-11-14 | 2022-11-14 | Single-acting screw rod manual mechanism with travel indication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211425250.0A CN116181951A (en) | 2022-11-14 | 2022-11-14 | Single-acting screw rod manual mechanism with travel indication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116181951A true CN116181951A (en) | 2023-05-30 |
Family
ID=86437092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211425250.0A Pending CN116181951A (en) | 2022-11-14 | 2022-11-14 | Single-acting screw rod manual mechanism with travel indication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116181951A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5518015A (en) * | 1994-09-30 | 1996-05-21 | Gas Research Institute | Automatic calibrating electrically controlled diaphragm valve actuators and methods for their calibration |
| EP1994287A1 (en) * | 2006-03-16 | 2008-11-26 | G.T. Attuatori SRL | Fluid actuator |
| CN202901490U (en) * | 2012-11-02 | 2013-04-24 | 浙江中旭达自控阀门有限公司 | Shift fork type pneumatic actuator |
| KR101323137B1 (en) * | 2013-03-27 | 2013-10-30 | 주식회사 플로우버스 | The actuator to be installed the hydraulic manual override inside |
| CN106499863A (en) * | 2016-12-04 | 2017-03-15 | 重庆永富电线电缆有限公司 | Pneumatic actuator structure for cable production |
| CN107588228A (en) * | 2017-09-26 | 2018-01-16 | 无锡福斯拓科科技有限公司 | A kind of shift fork type pneumatic actuator |
| CN211550702U (en) * | 2019-12-30 | 2020-09-22 | 江苏汇朗机械科技有限公司 | Manual-automatic integrated single-action pneumatic actuator |
| CN212960122U (en) * | 2020-05-21 | 2021-04-13 | 无锡微尔逊流体控制技术有限公司 | IDMO series side dress hand wheel executor |
| CN114673824A (en) * | 2022-04-19 | 2022-06-28 | 大连中和聚能自动控制系统有限公司 | Top-mounted hand wheel mechanism of double-acting pneumatic actuator |
-
2022
- 2022-11-14 CN CN202211425250.0A patent/CN116181951A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5518015A (en) * | 1994-09-30 | 1996-05-21 | Gas Research Institute | Automatic calibrating electrically controlled diaphragm valve actuators and methods for their calibration |
| EP1994287A1 (en) * | 2006-03-16 | 2008-11-26 | G.T. Attuatori SRL | Fluid actuator |
| CN202901490U (en) * | 2012-11-02 | 2013-04-24 | 浙江中旭达自控阀门有限公司 | Shift fork type pneumatic actuator |
| KR101323137B1 (en) * | 2013-03-27 | 2013-10-30 | 주식회사 플로우버스 | The actuator to be installed the hydraulic manual override inside |
| CN106499863A (en) * | 2016-12-04 | 2017-03-15 | 重庆永富电线电缆有限公司 | Pneumatic actuator structure for cable production |
| CN107588228A (en) * | 2017-09-26 | 2018-01-16 | 无锡福斯拓科科技有限公司 | A kind of shift fork type pneumatic actuator |
| CN211550702U (en) * | 2019-12-30 | 2020-09-22 | 江苏汇朗机械科技有限公司 | Manual-automatic integrated single-action pneumatic actuator |
| CN212960122U (en) * | 2020-05-21 | 2021-04-13 | 无锡微尔逊流体控制技术有限公司 | IDMO series side dress hand wheel executor |
| CN114673824A (en) * | 2022-04-19 | 2022-06-28 | 大连中和聚能自动控制系统有限公司 | Top-mounted hand wheel mechanism of double-acting pneumatic actuator |
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