CN115250043B - Resolver mounting structure of permanent magnet synchronous motor - Google Patents
Resolver mounting structure of permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN115250043B CN115250043B CN202210144367.5A CN202210144367A CN115250043B CN 115250043 B CN115250043 B CN 115250043B CN 202210144367 A CN202210144367 A CN 202210144367A CN 115250043 B CN115250043 B CN 115250043B
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- Prior art keywords
- mounting
- permanent magnet
- wall
- magnet synchronous
- synchronous motor
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 32
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- 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
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/225—Detecting coils
Abstract
The invention discloses a rotary transformer mounting structure of a permanent magnet synchronous motor, which relates to the technical field of rotary transformers and comprises a motor body and an output shaft in the motor body, wherein a protective shell is mounted at the tail of the motor body, a rotary rotor is mounted on the surface of the tail of the output shaft, an insulating column is arranged at the tail of the output shaft, a mounting cylinder is arranged in the protective shell, a rotary stator is mounted on the outer wall of the mounting cylinder, and a clamping zero-correcting device is arranged in the middle of the protective shell. According to the invention, the positioning rod moves towards the insulating column by rotating the rotating shaft, and enters the first positioning hole through the mounting seat, so that alignment is completed, and then zero calibration is performed, so that the zero calibration of staff is facilitated.
Description
Technical Field
The invention relates to the technical field of permanent magnet synchronous motors, in particular to a rotary transformer mounting structure of a permanent magnet synchronous motor.
Background
The driving motor usually adopts a rotary transformer to collect the position of a motor rotor and determine the rotating speed so as to achieve the aim of high-precision control of the rotating speed, torque, position and the like of the motor. The rotary transformer needs to be zeroed after being used for a period of time, and the current zeroing method comprises two types of electric zeroing and simple mechanical zeroing.
The existing rotary transformer is troublesome to zero, and more parts need to be removed to zero by using auxiliary tools.
Disclosure of Invention
The invention aims at: in order to solve the above-mentioned problems, a resolver mounting structure of a permanent magnet synchronous motor is proposed.
In order to achieve the above purpose, the resolver mounting structure of the permanent magnet synchronous motor adopts the following technical scheme: the motor comprises a motor body and an output shaft in the motor body, wherein a protective shell is arranged at the tail of the motor body, a rotary rotor is arranged on the surface of the tail of the output shaft, an insulating column is arranged at the tail of the output shaft, an installation cylinder is arranged in the protective shell, a rotary stator is arranged on the outer wall of the installation cylinder, and a clamping zero correction device is arranged in the middle of the protective shell;
the clamping zero calibration device comprises a mounting plate, a plurality of groups of clamping rods are uniformly distributed in the circumferential direction of the mounting plate, a limiting hook is fixedly arranged on the outer wall of one end, far away from the mounting plate, of each clamping rod, a limiting groove matched with the limiting hook is formed in the mounting cylinder, a first thread section is formed in the outer wall of one end, far away from the limiting hook, of each clamping rod, a thread seat is formed in the position, located by the first thread section, of each clamping rod, and the clamping rods are in sliding connection with the mounting plate;
the middle position of the mounting plate is rotatably provided with a rotating shaft, one end of the rotating shaft is provided with a second thread section, the rotating shaft is in threaded connection with a movable disc at the second thread section, the outer wall of the movable disc is symmetrically provided with two groups of positioning rods, the insulating column is provided with two groups of arc-shaped sliding grooves matched with the positioning rods for use, and the two groups of arc-shaped sliding grooves are internally provided with landslides from shallow to deep;
the movable disc edge is provided with a sliding groove matched with the clamping rod, the outer wall of the clamping rod is provided with a limiting strip, and the mounting hole is internally provided with the sliding groove matched with the clamping rod.
Further, one ends of the two groups of positioning rods, which are in contact with the arc-shaped sliding grooves, are provided with mounting seats, and rolling balls are arranged at the central positions of the mounting seats.
Further, the deepest part of the arc chute is provided with a first positioning hole, and the diameter of the first positioning hole is equal to the outer diameter of the mounting seat.
Further, the screw thread seat is close to the one end of mounting panel and is provided with the frustum, the taper hole that the cooperation frustum used has been seted up to the outer wall of mounting panel.
Further, the junction of motor body and protective housing is provided with positioning bolt.
Further, the outer wall of protective housing is provided with the protecting crust.
Further, the outer wall of mounting panel is provided with the locating piece, the second locating hole that the locating piece used has been seted up to the outer wall of protective housing.
Further, a limiting ring is arranged in the middle of the rotating shaft.
Compared with the prior art, the invention has the following beneficial effects:
this PMSM's resolver mounting structure makes the locating lever remove to the insulating column through rotatory pivot, and the mount pad gets into inside the first locating hole, makes the rotor rotatory to accomplish and aim at, carry out the school zero afterwards, thereby make things convenient for the staff to school zero.
Drawings
Fig. 1 is an external view of a resolver mounting structure of a permanent magnet synchronous motor according to the present invention;
fig. 2 is a schematic diagram of the inside of a protective shell of a resolver mounting structure of a permanent magnet synchronous motor according to the present invention;
fig. 3 is a schematic structural diagram of a clamping zeroing device of a rotary transformer mounting structure of a permanent magnet synchronous motor according to the present invention;
fig. 4 is a side view of an arc chute of a resolver mounting structure of a permanent magnet synchronous motor according to the present invention;
fig. 5 is an expanded view of an arc chute of a resolver mounting structure of a permanent magnet synchronous motor according to the present invention;
fig. 6 is a schematic structural view of a positioning rod of a resolver mounting structure of a permanent magnet synchronous motor according to the present invention;
fig. 7 is a schematic structural diagram of a movable disc of a resolver mounting structure of a permanent magnet synchronous motor according to the present invention.
In the figure: 1. a motor body; 101. an output shaft; 102. an insulating column; 1021. an arc chute; 1022. a first positioning hole; 2. a protective shell; 3. a rotor; 4. a rotating stator; 5. a mounting cylinder; 6. clamping a zeroing device; 601. a mounting plate; 6011. a positioning block; 602. a clamping rod; 6021. a limit bar; 6022. a limit hook; 603. a screw seat; 604. a rotating shaft; 605. a movable plate; 6051. a mounting hole; 606. a positioning rod; 6061. a mounting base; 6062. a rolling ball; 7. and (5) protecting the shell.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-7, a rotary transformer mounting structure of a permanent magnet synchronous motor comprises a motor body 1 and an output shaft 101 in the motor body 1, wherein a protective shell 2 is mounted at the tail of the motor body 1, a rotary transformer 3 is mounted on the tail surface of the output shaft 101, an insulating column 102 is arranged at the tail of the output shaft 101, a mounting cylinder 5 is arranged in the protective shell 2, a rotary transformer 4 is mounted on the outer wall of the mounting cylinder 5, and a clamping zero correction device 6 is arranged in the middle of the protective shell 2;
the clamping zeroing device 6 comprises a mounting plate 601, a plurality of groups of clamping rods 602 are uniformly distributed on the periphery of the mounting plate 601, a limit hook 6022 is fixedly arranged on the outer wall of one end, far away from the mounting plate 601, of the clamping rods 602, a limit groove matched with the limit hook 6022 is formed in the mounting cylinder 5, a first thread section is formed in the outer wall of one end, far away from the limit hook 6022, of the clamping rods 602, a thread seat 603 is arranged at the first thread section, and the clamping rods 602 are in sliding connection with the mounting plate 601;
a rotating shaft 604 is rotatably arranged in the middle of the mounting plate 601, a second thread section is arranged at one end of the rotating shaft 604, a movable plate 605 is in threaded connection with the rotating shaft 604 at the second thread section, two groups of positioning rods 606 are symmetrically arranged on the outer wall of the movable plate 605, two groups of arc-shaped sliding grooves 1021 matched with the positioning rods 606 are formed in the insulating column 102, and a shallow-to-deep landslide is arranged in each of the two groups of arc-shaped sliding grooves 1021;
the edge of the movable plate 605 is provided with a sliding groove matched with the clamping rod 602, the outer wall of the clamping rod 602 is provided with a limit bar 6021, and the mounting hole 6051 is internally provided with a sliding groove matched with the clamping rod 602.
Further, one end of the two sets of positioning rods 606, which is in contact with the arc chute 1021, is provided with a mounting seat 6061, and a rolling ball 6062 is arranged in the center of the mounting seat 6061.
Further, a first positioning hole 1022 is formed at the deepest part of the arc chute 1021, and the diameter of the first positioning hole 1022 is equal to the outer diameter of the mounting seat 6061; since the diameter of the first positioning hole 1022 is equal to the outer diameter of the mount 6061, the position of the first positioning hole 1022 is locked by the mount 6061, thereby improving the zero calibration accuracy.
Further, a frustum is arranged at one end of the thread seat 603, which is close to the mounting plate 601, and a taper hole matched with the frustum for use is formed in the outer wall of the mounting plate 601; through the cooperation use of frustum and taper hole to guarantee that screw seat 603 can not take place the slope after screwing, thereby guarantee the position state of clamping lever 602, and then guarantee the position of installation section of thick bamboo 5 and rotation stator 4.
Further, a positioning bolt is arranged at the joint of the motor body 1 and the protective shell 2; through positioning bolt, avoid protective housing 2 to take place rotatoryly relative motor body 1, lead to the skew takes place for the position of rotation stator 4.
Further, the outer wall of the protective housing 2 is provided with a protective housing 7.
Further, a positioning block 6011 is arranged on the outer wall of the mounting plate 601, and a second positioning hole used by the positioning block 6011 is formed in the outer wall of the protective shell 2; through the cooperation of locating piece 6011 and second locating hole, avoid mounting panel 601 to take place to deflect.
Further, a limiting ring is arranged in the middle of the rotating shaft 604; the movable plate 605 is prevented from being separated from the limit bar 6021 by the limit ring.
Working principle: during installation, the installation cylinder 5 and the rotary deformation stator 4 are placed into the protective shell 2, the installation plate 601 is buckled at the other end of the protective shell 2, the clamping rods 602 are sequentially inserted into the installation plate 601, the threaded seats 603 are screwed to one ends of the clamping rods 602, the movable plate 605 is placed at one end of the rotating shaft 604, meanwhile, the angle of each clamping rod 602 is adjusted, each limit hook 6022 corresponds to a limit groove in the installation cylinder 5, the rotating shaft 604 is rotated, the movable plate 605 is screwed into the outer wall of the rotating shaft 604, the limit strips 6021 of the outer wall of the rotating shaft 604 are matched with the installation holes 6051 for use, the rotating shaft 604 cannot rotate when the threaded seats 603 are rotated again, the threaded seats 603 are screwed to be incapable of rotating, the installation cylinder 5 and the rotary deformation stator 4 are locked, the rotary deformation stator 3 is installed at the tail part of the output shaft 101, the protective shell 2 is installed at the tail part of the motor body 1, and finally the protective shell 7 is installed at the outer wall of the protective shell 2;
when the alignment is needed, the protective shell 7 is opened, the rotating shaft 604 is rotated, the rotating shaft 604 drives the movable plate 605 to move towards the insulating column 102 and enter the arc-shaped chute 1021 inside the insulating column 102 until the mounting seat 6061 enters the first positioning hole 1022, so that the alignment is completed, and then the alignment is performed, so that the alignment of staff is facilitated.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (8)
1. The rotary transformer mounting structure of the permanent magnet synchronous motor comprises a motor body (1) and an output shaft (101) in the motor body (1), wherein a protective shell (2) is mounted at the tail of the motor body (1), and is characterized in that a rotary transformer (3) is mounted on the tail surface of the output shaft (101), an insulating column (102) is arranged at the tail of the output shaft (101), a mounting cylinder (5) is arranged in the protective shell (2), a rotary transformer stator (4) is mounted on the outer wall of the mounting cylinder (5), and a clamping zero correction device (6) is arranged in the middle of the protective shell (2);
the clamping zero calibration device (6) comprises a mounting plate (601), a plurality of groups of clamping rods (602) are uniformly distributed on the periphery of the mounting plate (601), a limit hook (6022) is fixedly arranged on the outer wall of one end, far away from the mounting plate (601), of each clamping rod (602), a limit groove matched with the limit hook (6022) is formed in the mounting cylinder (5), a first thread section is formed in the outer wall of one end, far away from the limit hook (6022), of each clamping rod (602), a thread seat (603) is arranged at the position of the corresponding first thread section, and the clamping rods (602) are in sliding connection with the mounting plate (601);
the middle position of the mounting plate (601) is rotatably provided with a rotating shaft (604), one end of the rotating shaft (604) is provided with a second thread section, the rotating shaft (604) is in threaded connection with a movable disc (605) at the second thread section, two groups of positioning rods (606) are symmetrically arranged on the outer wall of the movable disc (605), two groups of arc-shaped sliding grooves (1021) matched with the positioning rods (606) are formed in the insulating column (102), and a shallow-to-deep landslide is arranged in each arc-shaped sliding groove (1021);
the edge of the movable disc (605) is provided with a mounting hole (6051) matched with the clamping rod (602), the outer wall of the clamping rod (602) is provided with a limit strip (6021), and the mounting hole (6051) is internally provided with a sliding groove matched with the clamping rod.
2. The resolver mounting structure of a permanent magnet synchronous motor according to claim 1, wherein one end of the two sets of positioning rods (606) contacting the arc chute (1021) is provided with a mounting seat (6061), and a rolling ball (6062) is provided at a center position of the mounting seat (6061).
3. The resolver mounting structure of a permanent magnet synchronous motor according to claim 2, characterized in that a first positioning hole (1022) is provided at the deepest part of the arc chute (1021), and the diameter of the first positioning hole (1022) is equal to the outer diameter of the mounting seat (6061).
4. A resolver mounting structure of a permanent magnet synchronous motor according to claim 3, wherein a frustum is arranged at one end of the screw seat (603) close to the mounting plate (601), and a taper hole matched with the frustum is arranged on the outer wall of the mounting plate (601).
5. Resolver mounting structure of a permanent magnet synchronous motor according to claim 4, characterized in that the connection of the motor body (1) and the protective housing (2) is provided with a positioning bolt.
6. Resolver mounting structure of a permanent magnet synchronous motor according to claim 5, characterized in that the outer wall of the protective housing (2) is provided with a protective housing (7).
7. The resolver mounting structure of a permanent magnet synchronous motor according to claim 6, wherein a positioning block (6011) is provided on an outer wall of the mounting plate (601), and a second positioning hole for the positioning block (6011) is provided on an outer wall of the protective case (2).
8. The resolver mounting structure of a permanent magnet synchronous motor according to claim 7, characterized in that a stopper ring is provided in the middle of the rotation shaft (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210144367.5A CN115250043B (en) | 2022-02-17 | 2022-02-17 | Resolver mounting structure of permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210144367.5A CN115250043B (en) | 2022-02-17 | 2022-02-17 | Resolver mounting structure of permanent magnet synchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115250043A CN115250043A (en) | 2022-10-28 |
| CN115250043B true CN115250043B (en) | 2024-01-26 |
Family
ID=83698495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210144367.5A Active CN115250043B (en) | 2022-02-17 | 2022-02-17 | Resolver mounting structure of permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115250043B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010154710A (en) * | 2008-12-26 | 2010-07-08 | Toyota Motor Corp | Motor with resolver |
| CN108400732A (en) * | 2018-03-16 | 2018-08-14 | 西北工业大学 | A kind of DC brushless motor or AC permanent magnet synchronous motor detecting apparatus for rotor position |
| CN208862702U (en) * | 2018-10-31 | 2019-05-14 | 佛山市顺德区金泰德胜电机有限公司 | A kind of mounting structure of magneto and rotary transformer |
| CN109921574A (en) * | 2019-03-29 | 2019-06-21 | 安徽安凯汽车股份有限公司 | A kind of the rotation change zero-bit debugging apparatus and method of permanent magnet synchronous motor |
-
2022
- 2022-02-17 CN CN202210144367.5A patent/CN115250043B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010154710A (en) * | 2008-12-26 | 2010-07-08 | Toyota Motor Corp | Motor with resolver |
| CN108400732A (en) * | 2018-03-16 | 2018-08-14 | 西北工业大学 | A kind of DC brushless motor or AC permanent magnet synchronous motor detecting apparatus for rotor position |
| CN208862702U (en) * | 2018-10-31 | 2019-05-14 | 佛山市顺德区金泰德胜电机有限公司 | A kind of mounting structure of magneto and rotary transformer |
| CN109921574A (en) * | 2019-03-29 | 2019-06-21 | 安徽安凯汽车股份有限公司 | A kind of the rotation change zero-bit debugging apparatus and method of permanent magnet synchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115250043A (en) | 2022-10-28 |
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Effective date of registration: 20240104 Address after: 725000 Intelligent Terminal Electronics Industrial Park, High tech Industrial Development Zone, Ankang City, Shaanxi Province Applicant after: Ankang High tech Zone Huiye Electronics Co.,Ltd. Address before: 215000 second floor of plant 2, No. 5488, Wuzhong Avenue, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province (Suzhou Yuhe Electromechanical Technology Co., Ltd.) Applicant before: Wu Fan |
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