CN114649903A - Electric grounding switch integrated motor - Google Patents
Electric grounding switch integrated motor Download PDFInfo
- Publication number
- CN114649903A CN114649903A CN202210330468.1A CN202210330468A CN114649903A CN 114649903 A CN114649903 A CN 114649903A CN 202210330468 A CN202210330468 A CN 202210330468A CN 114649903 A CN114649903 A CN 114649903A
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- gear
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- shaft
- cover body
- output gear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/40—Structural association with grounding devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gear Transmission (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an integrated motor of an electric grounding switch, which comprises a driving motor, a reduction gear set and a clutch assembly, wherein the clutch assembly comprises a ball, an elastic part, an output shaft, a first output gear, a cover body and a second output gear, which are sequentially arranged on the output shaft The synchronous rotation of lid is favorable to improving the long-term effect and the stability of operation under this structure.
Description
Technical Field
The invention relates to the technical field of high-voltage devices, in particular to an integrated motor of an electric grounding switch.
Background
The electric grounding knife mechanism is usually matched with a bevel gear, and the requirement on a motor is high. In patent document No. CN203690184U, an electric grounding knife device is disclosed, in which a motor, multiple transmission gears, and an electromagnetic clutch are used in cooperation with a grounding knife mechanism to perform electric switching on and off operations, which is disadvantageous in that the problem of unsmooth ejection of the ejector rod is likely to occur after a long time, and the clutch is out of work, and needs to be improved.
Disclosure of Invention
In order to solve at least one technical defect, the invention provides the following technical scheme:
the application document discloses an integrated motor of an electric grounding switch, which comprises a driving motor, a reduction gear set and a clutch assembly, wherein the output end of the driving motor is connected with the reduction gear set, the reduction gear set is connected with the clutch assembly, the clutch assembly comprises a ball, an elastic part, an output shaft, a first output gear, a cover body and a second output gear, the first output gear, the cover body and the second output gear are sequentially arranged on the output shaft, a plurality of grooves are arranged at corresponding positions on opposite surfaces of the cover body and the first output gear, and a concave part and a convex part which are matched with each other are arranged on opposite surfaces of the cover body and the second output gear; the opposite ends of each ball are respectively positioned in the two corresponding grooves of the cover body and the first output gear, the cover body is in sliding fit with the output shaft, and the cover body synchronously rotates along with the first output gear under the transmission fit of the balls and the grooves; the elastic piece is connected with the cover body and used for resetting the cover body in the axial direction; the groove wall corresponding to the centrifugal motion of the ball is an inclined plane;
in the initial state, the cover body, the output gear II upper concave part and the convex part are separated; the driving motor and the reduction gear set are matched to enable the first output gear to rotate, the balls do centrifugal motion along the groove wall of the groove inclined plane and synchronously move the cover body to be close to the second output gear, and the convex piece extends into the concave piece to enable the second output gear, the cover body and the first output gear to synchronously rotate.
In the scheme, the clutch component is improved, in the rotating process of the first output gear, the balls are driven to do centrifugal motion by utilizing the centrifugal force effect, and the groove wall corresponding to the moving direction is changed into an inclined plane, namely, a certain included angle is formed between the groove wall and the axial direction of the output shaft; the cover body is arranged below the output gear, the inclined plane of the first output gear inclines downwards, and the inclined plane on the cover body inclines upwards. When the ball moves along the inclined plane centrifugally, the cover body is enabled to move in the axial direction and gradually approaches the second output gear, the first output gear, the second output gear and the cover body rotate synchronously under concave-convex matching, when the driving motor rotates reversely, the ball resets, the cover body resets under the action of the elastic force of the elastic piece, the cover body is separated from the concave piece and the convex piece of the second output gear, and the second output gear is separated from the synchronous rotation of the first output gear and the cover body.
When the ground knife mechanism is used, the second output gear can be meshed with a large transmission gear in the ground knife mechanism for electric switching. Of course, the state of the ground knife mechanism can be manually switched under the state that the cover body and the output gear rotate asynchronously.
Furthermore, a plurality of conical grooves are formed on the opposite surfaces of the cover body and the output gear at intervals around the center, and the structure of the plurality of grooves formed at intervals around the center is beneficial to the uniform stress of the cover body and the improvement of the moving stability. The conical configuration of recess makes things convenient for the ball to do centrifugal motion, and convenient shaping. Of course, the structure of the groove can be freely designed according to requirements, and the wall of the groove corresponding to the centrifugal motion of the ball is ensured to be an inclined plane.
For the drive motor, a permanent magnet motor is preferred. For the reduction gear set, three-stage, four-stage, five-stage reduction, etc. can be freely selected.
Furthermore, one end of the elastic part is connected with the cover body, and the other end of the elastic part is connected with the first output gear, the second output gear or the output shaft.
Preferably, the elastic part is a spring, the spring is positioned between the cover body and the second output gear and sleeved on the output shaft, and two ends of the spring are respectively abutted to opposite surfaces of the cover body and the second output gear. Taking the spring as an example, the spring can also be positioned between the cover body and the first output gear, and two ends of the spring are respectively connected with the cover body and the first output gear. Of course, when the spring is located between the cover body and the second output gear, the other end of the spring can also be fixed on the output shaft between the cover body and the second output gear, and the spring is selected according to requirements.
Further, the reduction gear set comprises a first gear shaft, a second gear shaft, a third gear shaft and a fourth gear shaft which are arranged in parallel, a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear are respectively arranged on the first gear shaft, the second gear shaft, the third gear shaft and the fourth gear shaft, the first transmission gear is connected with the output end of the driving motor, the second transmission gear is connected with the first gear shaft, the third transmission gear is connected with the second gear shaft, the fourth transmission gear is connected with the third gear shaft, and the fourth gear shaft is connected with the first output gear. In the scheme, a gear shaft and a transmission gear are matched to form a four-stage speed reducing structure, and straight gear meshing or bevel gear meshing can be selected for connection between the gear shaft four and the output gear I.
Preferably, the output shaft and the gear shaft IV are arranged in parallel, and the diameter of the first output gear is larger than the shaft diameter of the gear shaft IV. The output shaft and the gear shaft four are installed in parallel, namely the gear shaft four and the output gear one are meshed through a straight gear, the layout is convenient, and the occupied space is small. The diameter of the first output gear is larger than the shaft diameter of the fourth gear shaft, and the clutch assembly and the reduction gear assembly form five-stage speed reduction.
Furthermore, the first output gear, the second output gear and the cover body are all sleeved on the output shaft, the output shaft is fixedly arranged, and the first output gear, the second output gear and the cover body are all in running fit with the output shaft. Such as by a bearing.
Or the first output gear, the second output gear and the cover body are all sleeved on the output shaft, the output shaft is arranged in a rotating mode, the first output gear is fixed with the output shaft, and the second output gear is in rotating fit with the output shaft. The installation and matching modes can be all adopted.
And the box body is provided with a driving motor, a reduction gear set and a clutch assembly are arranged in the cavity of the box body, and holes are formed in the position, corresponding to the second output gear, of the box body. The box body installation structure is convenient to be in butt joint with other external functional components, such as the ground knife mechanism, and the transmission gear of the ground knife mechanism can be in butt joint with the output gear II from a hole formed in the box body.
The clamping spring comprises an annular body and an annular handle fixed with the body, the annular body is sleeved on the peripheral wall of the cover body, and the handle is sleeved on a guide post arranged on the box body. Increase jump ring centre gripping lid to the guide post direction plays the control effect to the removal of lid, helps improving the stability and the controllability that the lid removed.
Furthermore, the box body is of an upper split type structure and a lower split type structure, the split type structure facilitates installation of all components in the cavity, and improvement of assembling efficiency is facilitated.
Furthermore, the surface of the first output gear is relatively provided with a boss, the boss is used as a convex part, the cover body surface is provided with a plurality of grooves which are matched with the boss in a concave-convex mode and are formed by the boss and the boss at intervals around the center, the grooves are used as concave parts, the boss and the grooves are matched in a concave-convex mode, and the multi-groove butt joint boss structure is beneficial to forming the matching fast and is simple and practical.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention improves the clutch component, applies the centrifugal effect to the matching structure of the first output gear, the second output gear and the cover body, and realizes the synchronous or asynchronous rotation of the cover body, the first output gear and the second output gear electrically, thereby improving the operation period and the stability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic sectional view of the electric earthing switch integrated motor in embodiment 1;
fig. 2 is a schematic view of the overall structure of the electric earthing switch integrated motor of embodiment 1;
FIG. 3 is a schematic diagram of an initial state configuration of the clutch assembly;
FIG. 4 is a schematic view of the clutch assembly operating state;
FIG. 5 is a schematic view of the overall construction of the clutch assembly;
FIG. 6 is a schematic view of the structure of the boss and the groove on the cover body;
FIG. 7 is a schematic view of the structure on the second output gear;
FIG. 8 is a layout of the grooves on the second output gear;
FIG. 9 is a layout of the grooves on the first output gear;
FIG. 10 is a schematic view of the clamp spring;
FIG. 11 is a schematic view of a butt joint structure of the electric grounding switch integrated motor and the grounding knife mechanism;
wherein the reference numerals are:
1. a drive motor; 2. a reduction gear set; 3. a clutch assembly; 4. a box body; 5. a rotating shaft transmission gear; 6. a ground knife bracket; 20. a first gear shaft; 21. a first transmission gear; 22. a second gear shaft; 23. a second transmission gear; 24. a gear shaft III; 25. a third transmission gear; 26. a gear shaft IV; 27. a fourth transmission gear; 30. an output shaft; 31. a first output gear; 32. a second output gear; 33. a cover body; 34. a ball bearing; 35. an elastic member; 36. a groove; 37. a clamp spring; 38. a guide post; 41. an aperture; 42. a spacer sleeve; 43. an upper housing; 44. a lower housing; 321. a groove; 361. a boss; 371. a body; 372. a handle.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Example 1
As shown in fig. 1 and 2, the electric grounding switch integrated motor in the present embodiment includes a driving motor 1, a reduction gear set 2, and a clutch assembly 3. Regarding the directions shown in fig. 1 and 2, the driving motor 1 is fixed on the top surface of the box body 4, the speed reduction gear set 2 and the clutch assembly 3 are installed in the cavity of the box body 4, the output end of the driving motor 1 is connected with the speed reduction gear set 2, and the speed reduction gear set 2 is connected with the clutch assembly 3. The box body 4 is a split structure formed by fixing an upper shell 43 and a lower shell 44.
As shown in fig. 1, fig. 3, fig. 5 to fig. 9, the clutch assembly 2 includes balls 34, an elastic member 35, an output shaft 30, and a first output gear 31, a cover 33, and a second output gear 32 sequentially sleeved on the output shaft 30 from top to bottom. Two ends of the output shaft 30 are respectively embedded into a spacer 42 fixed on the cavity wall of the box body 4, the first output gear 31 and the second output gear 32 are in running fit with the output shaft 30 through bearings, and the cover body 33 can rotate and axially slide relative to the output shaft. A plurality of conical grooves 36 are uniformly formed in the opposite positions around the center on the top surface of the cover body 33 and the bottom surface corresponding to the first output gear 31 at intervals, the walls of the grooves on the periphery are inclined planes, the inclined planes of the grooves 36 of the first output gear 31 incline downwards, the inclined planes of the grooves 36 on the cover body 33 incline upwards, and the top end and the bottom end of each ball 34 are respectively located in the grooves 36 on the first output gear 31 and the cover body 33.
The elastic piece 35 selects a spring, is located between the second output gear 32 and the cover body 33, and is sleeved on the output shaft 30, the top end of the spring is abutted to the cover body 33, the bottom end of the spring is abutted to the second output gear 32, and grooves can be formed in positions corresponding to the spring on the bottom surface of the second output gear and the top surface of the cover body selectively, so that the stability of the spring is improved. The groove matched with the ball is positioned outside the spring. In the initial state, the spring is in a compressed state, the cover body, the ball and the first output gear are urged to be abutted by the elastic force of the spring, and the cover body synchronously rotates while the first output gear rotates.
The top surface of the second output gear 32 corresponding to the bottom surface of the cover 33 is formed with a concave part and a convex part which are matched with each other, specifically, the bottom surface of the cover 33 is convexly and oppositely formed with a boss 361, and the boss is used as a convex part and is in an isosceles trapezoid shape. 4 grooves 321 are uniformly formed in a cross shape on the top surface of the second output gear 32 at intervals around the center, the grooves 321 are used as concave parts and are also in an isosceles trapezoid shape, and the bosses 361 are placed in the grooves 321 in the process that the cover body 33 is close to the second output gear 32, so that the second output gear 32 is driven to rotate synchronously. As shown in fig. 2, a hole 41 may be formed in the case at a position corresponding to the second output gear 32 to facilitate the engagement of the gears and the like in the knife mechanism.
In addition, a snap spring 37 can be added, as shown in fig. 10 and 5, the snap spring 37 includes an annular body 371 and an annular handle 372 fixed to the body, the annular body 371 is sleeved in a ring groove formed in the peripheral wall of the cover 33, and the handle 372 is sleeved on a guide post 38 fixed to the wall of the box body cavity. The cover body is restrained to move by matching the clamp spring with the guide post.
For the drive motor, a permanent magnet motor is selected in the present embodiment. As shown in fig. 1, the reduction gear set 2 includes a first gear shaft 20, a second gear shaft 22, a third gear shaft 24 and a fourth gear shaft 26 which are installed in parallel in the cavity of the box body 4, wherein the first gear shaft 20, the second gear shaft 22, the third gear shaft 24 and the fourth gear shaft 26 are respectively sleeved with a first transmission gear 21, a second transmission gear 23, a third transmission gear 24 and a fourth transmission gear 27, the first transmission gear 21 is meshed with the output end of the driving motor 1, the second transmission gear 23 is meshed with the first gear shaft 20, the third transmission gear 24 is meshed with the second gear shaft 22, the fourth transmission gear 27 is meshed with the third gear shaft 24, and the fourth gear shaft 26 is meshed with the first output gear 31. The output shaft 30 is installed in parallel with the gear shaft four 26, and the diameter of the output gear one 31 is larger than the shaft diameter of the gear shaft four 26. The clutch assembly and the reduction gear assembly form a five-stage speed reduction.
When the ground knife integrated motor is used, as shown in 11, the integrated motor is installed in the ground knife bracket, and the second output gear is meshed with a transmission gear of a rotating shaft in the ground knife mechanism.
In the initial state, the cover 33 and the second output gear 32 are separated from each other by the boss 361 and the groove, as shown in fig. 3.
When the electric ground knife mechanism works, as shown in fig. 4, the driving motor and the reduction gear set are matched to enable the first output gear 31 to rotate, the balls do centrifugal motion, namely climb along the wall of the groove inclined plane, the second output gear 32 is close to the top cover body 33, the boss extends into the groove to enable the second output gear, the cover body and the first output gear to rotate synchronously, the second output gear drives a transmission gear of a rotating shaft in the ground knife mechanism to rotate, the controller delays for 2.5 seconds after the motor works and then rotates reversely for 0.5 seconds to enable the balls to reset back to the groove, the spring action is favorable, the cover body resets, and the second output gear is free. The switch-on and switch-off are directly and electrically switched. Of course, the state of the ground cutter mechanism can be manually switched under the state that the cover body and the output gear rotate asynchronously.
The above are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the above examples, and all technical solutions that fall under the spirit of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The integrated motor of the electric grounding switch comprises a driving motor, a reduction gear set and a clutch assembly, wherein the output end of the driving motor is connected with the reduction gear set, and the reduction gear set is connected with the clutch assembly; the opposite ends of each ball are respectively positioned in the two corresponding grooves of the cover body and the first output gear, the cover body is in sliding fit with the output shaft, and the cover body synchronously rotates along with the first output gear under the transmission fit of the balls and the grooves; the elastic piece is connected with the cover body and used for resetting the cover body in the axial direction; the groove wall corresponding to the centrifugal motion of the ball is an inclined plane;
in an initial state, the cover body, the second upper concave part of the output gear and the convex part are separated; the driving motor and the reduction gear set are matched to enable the first output gear to rotate, the balls do centrifugal motion along the groove wall of the groove inclined plane and synchronously move the cover body to be close to the second output gear, and the convex piece extends into the concave piece to enable the second output gear, the cover body and the first output gear to synchronously rotate.
2. The electric grounding switch integrated motor as set forth in claim 1, wherein: a plurality of conical grooves are formed on the opposite surfaces of the cover body and the output gear at intervals around the central position.
3. The electric grounding switch integrated motor as set forth in claim 1, wherein: one end of the elastic piece is connected with the cover body, and the other end of the elastic piece is connected with the first output gear, the second output gear or the output shaft.
4. The electric ground switch integrated motor according to claim 3, wherein: the elastic piece is a spring, the spring is located between the cover body and the second output gear and sleeved on the output shaft, and two ends of the spring are respectively abutted to opposite surfaces of the cover body and the second output gear.
5. The electric grounding switch integrated motor as set forth in claim 1, wherein: the speed reduction gear set comprises a first gear shaft, a second gear shaft, a third gear shaft and a fourth gear shaft which are arranged in parallel, a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear are arranged on the first gear shaft, the second gear shaft, the third gear shaft and the fourth gear shaft respectively, the first transmission gear is connected with the output end of a driving motor, the second transmission gear is connected with the first gear shaft, the third transmission gear is connected with the second gear shaft, the fourth transmission gear is connected with the third gear shaft, the fourth gear shaft is connected with the first output gear, the output shaft and the fourth gear shaft are arranged in parallel, and the diameter of the first output gear is larger than the diameter of the fourth gear shaft.
6. The electric grounding switch integrated motor as set forth in claim 1, wherein: the output gear I, the output gear II and the cover body are all sleeved on the output shaft and are in running fit with the output shaft;
or the first output gear, the second output gear and the cover body are all sleeved on the output shaft, the output shaft is arranged in a rotating mode, the first output gear is fixed with the output shaft, and the second output gear is in rotating fit with the output shaft.
7. The electric grounding switch integrated motor as set forth in claim 1, wherein: the box body is provided with a driving motor, a reduction gear set and a clutch assembly are arranged in the cavity of the box body, and holes are formed in the position, corresponding to the output gear II, of the box body.
8. The electric grounding switch integrated motor as set forth in claim 7, wherein: the clamping spring comprises an annular body and an annular handle fixed with the body, the annular body is sleeved on the peripheral wall of the cover body, and the handle is sleeved on a guide post arranged on the box body.
9. The electric ground switch integrated motor according to claim 7, wherein: the box body is of an up-down split structure.
10. The electric ground switch integrated motor according to claim 1, wherein: the surface of the first output gear is oppositely provided with a boss which is used as a convex part, and the surface of the cover body is provided with a plurality of grooves which are matched with the boss in a concave-convex mode at intervals around the center and are used as a concave part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210330468.1A CN114649903A (en) | 2022-03-30 | 2022-03-30 | Electric grounding switch integrated motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210330468.1A CN114649903A (en) | 2022-03-30 | 2022-03-30 | Electric grounding switch integrated motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114649903A true CN114649903A (en) | 2022-06-21 |
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ID=81996104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210330468.1A Pending CN114649903A (en) | 2022-03-30 | 2022-03-30 | Electric grounding switch integrated motor |
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| Country | Link |
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| CN (1) | CN114649903A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450290A (en) * | 2022-08-18 | 2022-12-09 | 厦门科牧智能技术有限公司 | Mixed distribution valve, closestool flushing system and closestool |
-
2022
- 2022-03-30 CN CN202210330468.1A patent/CN114649903A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450290A (en) * | 2022-08-18 | 2022-12-09 | 厦门科牧智能技术有限公司 | Mixed distribution valve, closestool flushing system and closestool |
| CN115450290B (en) * | 2022-08-18 | 2024-03-12 | 厦门科牧智能技术有限公司 | Mixed distributing valve, toilet flushing system and toilet |
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