CN219841111U - Non-clutch type electric actuator - Google Patents
Non-clutch type electric actuator Download PDFInfo
- Publication number
- CN219841111U CN219841111U CN202321319524.8U CN202321319524U CN219841111U CN 219841111 U CN219841111 U CN 219841111U CN 202321319524 U CN202321319524 U CN 202321319524U CN 219841111 U CN219841111 U CN 219841111U
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- Prior art keywords
- mounting base
- worm
- shaft
- planetary reducer
- electric actuator
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- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 9
- 230000001960 triggered effect Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 description 3
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a non-clutch type electric actuator, comprising: the device comprises a mounting base, wherein a servo motor and a three-stage planetary reducer are arranged on the mounting base, the servo motor and the three-stage planetary reducer are in transmission, an execution shaft is arranged on the bottom of the mounting base in a penetrating manner, the execution shaft is in clamping transmission with the three-stage planetary reducer, a worm is arranged on the mounting base in a penetrating manner, a worm wheel is fixedly sleeved on the outer side of a third-stage outer gear ring of the three-stage planetary reducer, the worm is in meshing transmission with the worm wheel, a clamping joint and a rotation stopping plate are arranged at the front end of the worm, a through hole is formed in the rotation stopping plate, a cover plate is fixedly arranged on the mounting base, a containing groove is formed in the inner side of the cover plate, the clamping joint at the front end of the worm extends out of the cover plate, and a self-locking indexing pin is connected to the outer surface of the cover plate in a threaded manner. The non-clutch type electric actuator can directly drive the actuating shaft to rotate by adopting the manual driving mechanism without clutch when the electric driving mechanism stops working, and the manual driving mechanism and the electric driving mechanism are not mutually interfered, so that the reliability of the electric actuator is greatly improved.
Description
Technical Field
The utility model relates to the field of actuators of valves, in particular to a non-clutch type electric actuator.
Background
The electric actuator is used for driving the valve to open and close, is provided with the actuating shaft that is used for interfacing with the operating shaft of load valve in the electric actuator, can control the opening and closing of load valve after the actuating shaft drive operating shaft is rotatory, is provided with electric drive mechanism and manual actuating mechanism that is used for driving the actuating shaft rotation in the electric actuator, and electric drive mechanism generally includes: a motor and a decelerator; the electric driving mechanism and the manual driving mechanism are driven by the clutch to rotate with the actuating shaft, and when the clutch is separated, the manual driving mechanism can drive the actuating shaft to rotate and when the clutch is engaged, the electric driving mechanism can drive the actuating shaft to rotate. The clutch in the existing electric actuator is complex in structure, and the clutch is easy to cause problems, so that the reliability of the electric actuator is poor.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: a highly reliable non-clutch electric actuator is provided.
In order to solve the problems, the utility model adopts the following technical scheme: a non-clutched electric actuator comprising: mounting base, its characterized in that: the automatic locking device comprises a mounting base, a servo motor and a three-stage planetary reducer which are vertically arranged, wherein the servo motor and the three-stage planetary reducer are vertically arranged and are in transmission through a transmission mechanism, an actuating shaft which is vertically arranged and is used for being in butt joint with an operating shaft of a load valve is arranged on the bottom of the mounting base in a penetrating mode, the actuating shaft is in butt joint transmission with an output shaft at the bottom of the three-stage planetary reducer, a worm which is arranged in a front-back trend is arranged on the mounting base in a penetrating mode, the worm is located below the servo motor, the worm is rotatably arranged on the mounting base through two bearings, a worm wheel is fixedly sleeved on the outer side of a third-stage outer gear of the three-stage planetary reducer, the worm is in meshed transmission with the worm wheel, a clamping joint for being in butt joint with a manual rotating handle and a rotation stopping plate are arranged at the front end of the worm, the rotation stopping plate is located behind the clamping joint, a plurality of through holes which are circumferentially arranged along the rotation stopping plate are formed in the mounting base, a detachable cover plate is fixedly arranged on the mounting base at the front end of the worm, a containing groove which can contain the rotation stopping plate, the worm is rotatably arranged on the inner side of the mounting base, the worm is fixedly arranged on the mounting base, a self-locking pin can be inserted into the self-locking cover plate through a threaded hole, and a self-locking pin which can not penetrate through the threaded hole in the cover plate, and can be inserted into the self-locking cover plate.
Further, the non-clutch electric actuator, wherein: a rotary shaft is arranged in a penetrating mode, a mounting block is fixed on the mounting base, the middle of the rotary shaft movably penetrates through the mounting block, a supporting cover is detachably fixed at the bottom of the mounting base, a positioning groove is formed in the supporting cover, the lower end of the rotary shaft is movably inserted into the positioning groove, the supporting cover can support the rotary shaft, the positioning groove can position the lower end of the rotary shaft, a large gear is sleeved on the executing shaft, a small gear is sleeved on the rotary shaft, the large gear and the small gear are in meshed transmission, the executing shaft can drive the rotary shaft to rotate, a mounting column is arranged on the mounting block, a mounting plate is locked at the top of the mounting column, a potentiometer is mounted on the mounting plate, an input gear is fixed on an input shaft of the potentiometer, a transmission gear is fixed on the rotary shaft, the transmission gear and the input gear are in meshed transmission, the input shaft of the potentiometer can rotate along with the executing shaft, accordingly the potentiometer can detect the opening of a load valve, two cams are further fixed on the rotary shaft, two cams are sleeved on the rotary shaft, when the two cams are in meshed transmission, and the two travel switches are completely opened and the two travel switches are completely triggered when the two travel switches are arranged on the mounting block, and the two travel switches are completely opened, and the travel switches are completely triggered when the two travel switches are completely opened.
Further, the non-clutch electric actuator, wherein: the utility model provides a cover has a protection casing on mounting base, servo motor, tertiary planetary reducer, installation piece, rotation axis are located the protection casing, have seted up a visual window at the top of protection casing, and the closing cap has a transparent plate on the visual window, is provided with a pointer on the transparent plate, and the rotation axis is located the below of visual window, is fixed with a plectane at the top of rotation axis, is provided with the scale that marks load valve aperture on the plectane, and the pointer on the transparent plate can read the scale on the plectane.
Further, the non-clutch electric actuator, wherein: the top ends of the servo motor and the three-stage planetary reducer are fixed through a fixed plate.
Further, the non-clutch electric actuator, wherein: the structure of the transmission mechanism is as follows: an output shaft at the top of the servo motor and an input shaft at the top of the three-stage planetary reducer are both fixedly provided with a synchronous belt wheel, and the two synchronous belt wheels are mutually driven through a synchronous belt.
The utility model has the advantages that: the clutch is not arranged in the non-clutch type electric actuator, the manual driving mechanism can be directly used for driving the actuating shaft to rotate without clutch when the electric driving mechanism stops working, the manual driving mechanism and the electric driving mechanism are not interfered with each other, and therefore the reliability of the electric actuator can be greatly improved.
Drawings
Fig. 1 is a schematic perspective view of a non-clutch electric actuator according to the present utility model.
Fig. 2 is a schematic perspective view of another view of the non-clutch electric actuator according to the present utility model.
Fig. 3 is a schematic perspective view of the non-clutched electric actuator according to the present utility model from one perspective with the shield and mounting base removed.
Fig. 4 is a schematic perspective view of another view of the non-clutched electric actuator of the present utility model with the shield and mounting base removed.
Detailed Description
The utility model is described in further detail below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1, 2, 3, and 4, the non-clutch electric actuator includes: the device comprises a mounting base 1, wherein a servo motor 2 and a three-stage planetary reducer 3 which are vertically arranged are arranged on the mounting base 1, the servo motor 2 and the three-stage planetary reducer 3 are transmitted through a transmission mechanism, an execution shaft 4 which is vertically arranged and is used for being in butt joint with an operation shaft of a load valve is arranged on the bottom of the mounting base 1 in a penetrating way, the execution shaft 4 is in joint transmission with an output shaft at the bottom of the three-stage planetary reducer 3, a worm 5 which is arranged in a front-back trend is arranged on the mounting base 1 in a penetrating way, the worm 5 is positioned below the servo motor 2, the worm 5 is rotatably arranged on the mounting base 1 through two bearings, a worm wheel 6 is sleeved and fixed on the outer side of a third-stage outer gear ring of the three-stage planetary reducer 3, the three-stage planetary reducer 3 is an existing reducer, the three-stage planetary reducer 3 adopts three-stage reduction, the servo motor 2 drives the first-stage sun gear to rotate through a transmission mechanism, the first-stage sun gear can drive the second-stage sun gear to rotate through driving the first-stage planetary gear carrier to rotate in the first-stage outer gear ring, the second-stage sun gear can drive the third-stage sun gear to rotate through driving the second-stage planetary gear carrier to rotate in the second-stage outer gear ring, the third-stage sun gear can drive the actuating shaft 4 to rotate through driving the third-stage planetary gear carrier to rotate in the third-stage outer gear ring, the worm 5 and the worm wheel 6 are meshed for transmission, a clamping joint 7 for clamping with a manual rotating handle and a rotation stopping plate 8 are arranged at the front end of the worm 5, the rotation stopping plate 8 is positioned behind the clamping joint 7, a plurality of through holes 9 which are circumferentially arranged along the rotation stopping plate 8 are arranged on the rotation stopping plate 8, a cover plate 10 is detachably fixed on the mounting base 1 at the front end of the worm 5, the inner side of the cover plate 10 is provided with a containing groove capable of containing the rotation stopping plate, the clamping connector 7 at the front end of the worm 5 extends out of the cover plate 10, the outer surface of the cover plate 10 is in threaded connection with a self-locking type indexing pin 11, and a pin column of the self-locking type indexing pin 11 can be inserted into the through hole 9 of the rotation stopping plate 8 through the cover plate 10, so that the rotation stopping plate 8 and the worm 5 cannot rotate.
The electric drive mechanism of the electric actuator in the present embodiment includes: a servo motor and a three-stage planetary reducer 3; the manual driving mechanism includes: the worm 5, the worm wheel 6, a third-stage external gear ring of the third-stage planetary reducer 3 and a third-stage planetary gear carrier.
When the electric driving mechanism stops working and the valve needs to be manually opened and closed, a pin column of the self-locking type indexing pin 11 is pulled out of the through hole 9 on the rotation stopping plate 8, then the manual rotary handle is clamped with the clamping joint 7 on the front end of the worm 5, then a worker rotates the manual rotary handle to enable the worm 5 to rotate, the worm 5 can drive the worm wheel 6 to rotate with the third-stage external gear ring after rotating, the third-stage planetary gear carrier can be driven to rotate by the third-stage external gear ring, and the executing shaft 4 can be driven to rotate manually.
When the electric driving mechanism stops working, the non-clutch electric actuator can directly drive the actuating shaft 4 to rotate by adopting the manual driving mechanism without clutch, and the manual driving mechanism and the electric driving mechanism are not mutually interfered.
In this embodiment, a rotating shaft 12 is penetrated in the installation base 1, an installation block 13 is fixed on the installation base 1, the middle part of the rotating shaft 12 movably passes through the installation block 13, a supporting cover 14 is detachably fixed at the bottom of the installation base 1, a positioning groove is arranged on the supporting cover 14, the lower end of the rotating shaft 12 is movably inserted into the positioning groove, the supporting cover 14 can support the rotating shaft 12, the positioning groove can position the lower end of the rotating shaft 12, a large gear 15 is sleeved on the executing shaft 4, a small gear 16 is sleeved on the rotating shaft 12, the large gear 15 and the small gear 16 are meshed and transmitted, the executing shaft 4 can drive the rotating shaft 12 to rotate, a mounting post 17 is arranged on the installation block 13, a mounting piece 18 is locked at the top of the mounting post 17, a potentiometer 19 is arranged on the mounting piece 18, an input gear 20 is fixed on the input shaft of the potentiometer 19, a transmission gear 21 is fixed on the rotating shaft 12, the transmission gear 21 and the input gear 20 are meshed and transmitted with each other, when the rotating shaft 4 is completely driven by the executing motor 23, the two cams 23 are triggered to complete, and when the two stroke-position switches 23 are completely triggered, the stroke of the two stroke-position switches 23 are completely triggered, and the stroke of the stroke switches are completely triggered, and the stroke of the valve is controlled to be opened, and the stroke of the valve is controlled to be completely, and the stroke of the stroke switches is controlled.
The installation base 1 is covered with a protective cover 24, the servo motor 2, the three-stage planetary reducer 3, the installation block 13 and the rotating shaft 12 are positioned in the protective cover 24, a visual window is formed in the top of the protective cover 24, a transparent plate 25 is covered on the visual window, a pointer is arranged on the transparent plate 25, the rotating shaft 12 is positioned below the visual window, a circular plate 26 is fixed on the top of the rotating shaft 12, a scale marking the opening of a load valve is arranged on the circular plate 26, and the pointer on the transparent plate 25 can read the scale on the circular plate 26, so that the valve opening is observed on site in real time by workers.
The top ends of the servo motor 2 and the three-stage planetary reducer 3 are fixed through a fixing plate 27, so that the actuator can be more stable after the arrangement.
The structure of the transmission mechanism is as follows: an output shaft at the top of the servo motor 2 and an input shaft at the top of the three-stage planetary reducer 3 are both fixedly provided with a synchronous pulley 28, and the two synchronous pulleys 28 are mutually driven by a synchronous belt 29.
Claims (5)
1. A non-clutched electric actuator comprising: mounting base, its characterized in that: the automatic locking device comprises a mounting base, a servo motor and a three-stage planetary reducer which are vertically arranged, wherein the servo motor and the three-stage planetary reducer are vertically arranged and are in transmission through a transmission mechanism, an actuating shaft which is vertically arranged and is used for being in butt joint with an operating shaft of a load valve is arranged on the bottom of the mounting base in a penetrating mode, the actuating shaft is in butt joint transmission with an output shaft at the bottom of the three-stage planetary reducer, a worm which is arranged in a front-back trend is arranged on the mounting base in a penetrating mode, the worm is located below the servo motor, the worm is rotatably arranged on the mounting base through two bearings, a worm wheel is fixedly sleeved on the outer side of a third-stage outer gear of the three-stage planetary reducer, the worm is in meshed transmission with the worm wheel, a clamping joint for being in butt joint with a manual rotating handle and a rotation stopping plate are arranged at the front end of the worm, the rotation stopping plate is located behind the clamping joint, a plurality of through holes which are circumferentially arranged along the rotation stopping plate are formed in the mounting base, a detachable cover plate is fixedly arranged on the mounting base at the front end of the worm, a containing groove which can contain the rotation stopping plate, the worm is rotatably arranged on the inner side of the mounting base, the worm is fixedly arranged on the mounting base, a self-locking pin can be inserted into the self-locking cover plate through a threaded hole, and a self-locking pin which can not penetrate through the threaded hole in the cover plate, and can be inserted into the self-locking cover plate.
2. The non-clutched electric actuator of claim 1, wherein: a rotary shaft is arranged in a penetrating mode, a mounting block is fixed on the mounting base, the middle of the rotary shaft movably penetrates through the mounting block, a supporting cover is detachably fixed at the bottom of the mounting base, a positioning groove is formed in the supporting cover, the lower end of the rotary shaft is movably inserted into the positioning groove, the supporting cover can support the rotary shaft, the positioning groove can position the lower end of the rotary shaft, a large gear is sleeved on the executing shaft, a small gear is sleeved on the rotary shaft, the large gear and the small gear are in meshed transmission, the executing shaft can drive the rotary shaft to rotate, a mounting column is arranged on the mounting block, a mounting plate is locked at the top of the mounting column, a potentiometer is mounted on the mounting plate, an input gear is fixed on an input shaft of the potentiometer, a transmission gear is fixed on the rotary shaft, the transmission gear and the input gear are in meshed transmission, the input shaft of the potentiometer can rotate along with the executing shaft, accordingly the potentiometer can detect the opening of a load valve, two cams are further fixed on the rotary shaft, two cams are sleeved on the rotary shaft, when the two cams are in meshed transmission, and the two travel switches are completely opened and the two travel switches are completely triggered when the two travel switches are arranged on the mounting block, and the two travel switches are completely opened, and the travel switches are completely triggered when the two travel switches are completely opened.
3. The non-clutched electric actuator of claim 2, wherein: the utility model provides a cover has a protection casing on mounting base, servo motor, tertiary planetary reducer, installation piece, rotation axis are located the protection casing, have seted up a visual window at the top of protection casing, and the closing cap has a transparent plate on the visual window, is provided with a pointer on the transparent plate, and the rotation axis is located the below of visual window, is fixed with a plectane at the top of rotation axis, is provided with the scale that marks load valve aperture on the plectane, and the pointer on the transparent plate can read the scale on the plectane.
4. A non-clutched electric actuator according to claim 1 or 2 or 3, wherein: the top ends of the servo motor and the three-stage planetary reducer are fixed through a fixed plate.
5. A non-clutched electric actuator according to claim 1 or 2 or 3, wherein: the structure of the transmission mechanism is as follows: an output shaft at the top of the servo motor and an input shaft at the top of the three-stage planetary reducer are both fixedly provided with a synchronous belt wheel, and the two synchronous belt wheels are mutually driven through a synchronous belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319524.8U CN219841111U (en) | 2023-05-29 | 2023-05-29 | Non-clutch type electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319524.8U CN219841111U (en) | 2023-05-29 | 2023-05-29 | Non-clutch type electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841111U true CN219841111U (en) | 2023-10-17 |
Family
ID=88303876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321319524.8U Active CN219841111U (en) | 2023-05-29 | 2023-05-29 | Non-clutch type electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841111U (en) |
-
2023
- 2023-05-29 CN CN202321319524.8U patent/CN219841111U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |