CN117543887A - Vibration-proof servo motor - Google Patents
Vibration-proof servo motor Download PDFInfo
- Publication number
- CN117543887A CN117543887A CN202311791411.2A CN202311791411A CN117543887A CN 117543887 A CN117543887 A CN 117543887A CN 202311791411 A CN202311791411 A CN 202311791411A CN 117543887 A CN117543887 A CN 117543887A
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- CN
- China
- Prior art keywords
- motor
- shaft
- vibration
- connecting column
- encoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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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
- H02K7/04—Balancing means
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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
- H02K11/20—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
- H02K11/30—Structural association with control circuits or drive circuits
-
- 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
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to the technical field of servo motors, in particular to a vibration-proof servo motor which comprises a motor main body, a motor shaft penetrating through the motor main body, an encoder and a counterweight device, wherein the encoder is arranged on the motor main body, the counterweight device is sleeved on the motor shaft, the encoder is arranged between the motor main body and the counterweight device, and the installation distance of the encoder, which is sleeved on the motor shaft, is moved by the counterweight device, so that the centrifugal force generated by the motor main body driving the motor shaft is reduced. The invention has the advantages of strong vibration-proof effect and good stability.
Description
Technical Field
The invention relates to the technical field of servo motors, in particular to a vibration-proof servo motor.
Background
The servo motor can control the speed, the position accuracy is very accurate, and the voltage signal can be converted into the torque and the rotating speed to drive the control object. The rotation speed of the rotor of the servo motor is controlled by an input signal, can react quickly, is used as an executive component in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert the received electric signal into angular displacement or angular speed output on the motor shaft. The motor is divided into two major types of direct current and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, no autorotation phenomenon exists, and the rotating speed is reduced at a constant speed along with the increase of the torque.
However, when the motor drives the motor shaft to rotate, the motor shaft swings and vibrates along with the elongation of the wheelbase of the motor shaft, so that the motor shaft with a long shaft is difficult to maintain continuous and stable rotation of the motor shaft.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a vibration-proof servo motor which has the advantages of strong vibration-proof effect and good stability.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a keep away servo motor that shakes, includes the motor main part, link up motor main part's motor shaft, install in encoder and the cover of motor main part is located on the motor shaft counter weight device, the encoder be located the motor main part with between the counter weight device, through the counter weight device removal cover locate the epaxial installation distance of motor, reduce the centrifugal force that motor main part drive motor shaft produced.
Preferably, the counterweight device comprises a housing connected with the motor main body, a cavity is arranged in the housing, and the housing is fixed on the motor main body through screws.
Preferably, the counterweight device further comprises a connecting column sleeved on the motor shaft and a counterweight fixed on the connecting column, and a locking component for locking and unlocking the counterweight at the installation position on the connecting column is arranged between the connecting column and the counterweight.
Preferably, the locking assembly comprises a first bevel gear arranged on the connecting column, a transmission shaft connected with the second bevel gear and a driving shaft meshed with the transmission shaft through a plurality of synchronous gears, wherein a handle is arranged on the driving shaft, the driving shaft drives the transmission shaft to rotate through the plurality of synchronous gears, and the second bevel gear is meshed with the first bevel gear to transversely rotate the transmission shaft and convert the transverse rotation of the transmission shaft into vertical rotation of the connecting column.
Preferably, a through hole is formed in the motor shaft.
In summary, the invention has the following beneficial effects:
1. the encoder is electrically connected with the external controller, the motor main body is electrically connected with the external driver, the external controller is electrically connected with the driver, the encoder is used for detecting the actual rotating position of the motor in real time, the controller calculates the position and the speed which the motor should reach according to the feedback information of the encoder, the calculated result is sent to the driver, and the driver converts the calculated result into an electric signal which is actually needed by the motor, so that the driving of the servo motor is completed;
2. the motor main body drives the motor shaft to rotate, along with the extension of the wheelbase length of the motor shaft, the larger the centrifugal force of the motor shaft is, the more obvious the vibration of the motor is, and the counterweight device is arranged at the other end of the motor shaft, so that the installation distance of the counterweight device adapted along with the adjustment of the centrifugal force is reduced, the centrifugal force generated by the motor main body for driving the motor shaft is reduced, the vibration-proof effect is improved, and the stability of the motor shaft is enhanced.
Drawings
FIG. 1 is a schematic view of the external structure of an embodiment of the present invention;
FIG. 2 is a schematic view showing an internal structure of a counterweight device according to an embodiment of the invention;
fig. 3 is a cross-sectional view of a motor shaft according to an embodiment of the present invention.
Reference numerals: 1. a motor main body; 11. a motor shaft; 12. an encoder; 2. a counterweight device; 21. a housing; 22. a connecting column; 23. balancing weight; 24. a first bevel gear; 25. a second bevel gear; 26. a transmission shaft; 27. a driving shaft; 28. a handle; 29. a synchronizing gear; 3. and a through hole.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The utility model provides a keep away servo motor shakes, see fig. 1 and 2, includes motor main part 1, link up motor main part 1's motor shaft 11, install in encoder 12 and the cover of motor main part 1 is located counter weight device 2 on the motor shaft 11, encoder 12 is located motor main part 1 with between the counter weight device 2, through the movable cover of counter weight device 2 locate the installation distance on the motor shaft 11 reduces the centrifugal force that motor main part 1 drive motor shaft 11 produced.
In this embodiment, the encoder 12 is electrically connected with the external controller, the motor main body 1 is electrically connected with the external driver, and then the external controller is electrically connected with the driver, the encoder 12 is used for detecting the actual rotating position of the motor in real time, the controller calculates the position and the speed which should be reached by the motor according to the feedback information of the encoder 12, and sends the calculation result to the driver, and the driver converts the calculation result into an electrical signal actually required by the motor, so as to complete the driving of the servo motor.
The motor main body 1 drives the motor shaft 11 to rotate, along with the extension of the wheelbase length of the motor shaft 11, the larger the centrifugal force of the motor shaft 11 is, the more obvious the vibration of the motor is, and the counterweight device 2 is arranged at the other end of the motor shaft 11, so that the installation distance of the adaptive counterweight device 2 is adjusted along with the centrifugal force, the centrifugal force generated by the motor main body 1 for driving the motor shaft 11 is reduced, the vibration-avoiding effect is improved, and the stability of the motor shaft 11 is enhanced.
Specifically, the counterweight device 2 includes a housing 21 connected to the motor main body 1, a cavity is provided in the housing 21, and the housing 21 is fixed to the motor main body 1 by a screw.
The counterweight device 2 is sealed by a housing 21, and is dust-proof.
Specifically, the counterweight device 2 further includes a connecting column 22 sleeved on the motor shaft 11 and a counterweight 23 fixed on the connecting column 22, and a locking assembly for locking and unlocking the installation position of the counterweight 23 on the connecting column 22 is arranged between the connecting column 22 and the counterweight 23. The installation position of the balancing weight 23 on the connecting column 22 is adjusted by utilizing the locking assembly, so that the vibration-proof effect is optimized.
Specifically, the locking assembly comprises a first bevel gear 24 installed on the connecting column 22, a transmission shaft 26 connected with the second bevel gear 25, and a driving shaft 27 meshed with the transmission shaft 26 through a plurality of synchronous gears 29, wherein a handle 28 is arranged on the driving shaft 27, the driving shaft 27 drives the transmission shaft 26 to rotate through the plurality of synchronous gears 29, and the meshing of the second bevel gear 25 and the first bevel gear 24 converts the transverse rotation of the transmission shaft 26 into the vertical rotation of the connecting column 22.
The handle 28 is manually held, the driving shaft 27 is driven to rotate by rotating the handle 28, the transmission shaft 26 rotating with the driving shaft 27 is driven to rotate, the transverse rotation of the transmission shaft 26 is converted into the vertical rotation of the connecting column 22 by utilizing the engagement of the second bevel gear 25 and the first bevel gear 24, the axial rotation of the balancing weight 23 is limited, and the balancing weight 23 is in threaded connection with the connecting column 22, so that the axial sliding of the balancing weight 23 on the connecting column 22 is realized.
Referring to fig. 3, specifically, a through hole 3 is formed in the motor shaft 11. The air flow or the circulation of lubricating oil is facilitated through the through holes 3.
The above-described embodiments are merely illustrative of the present invention and are not intended to be limiting, and modifications may be made to the embodiments by those skilled in the art without creative contribution as required after reading the present specification, but are protected by patent laws within the scope of the appended claims.
Claims (5)
1. A vibration-proof servo motor is characterized in that: the motor comprises a motor body, a motor shaft penetrating through the motor body, an encoder and a counterweight device, wherein the encoder is installed on the motor body, the counterweight device is sleeved on the motor shaft, the encoder is located between the motor body and the counterweight device, the encoder is movably sleeved on the motor shaft through the counterweight device, and the installation distance of the motor shaft is reduced, and the centrifugal force generated by the motor body when the motor shaft is driven by the motor body.
2. A vibration-proof servo motor according to claim 1, characterized in that: the counterweight device comprises a shell connected with the motor main body, a cavity is arranged in the shell, and the shell is fixed on the motor main body through screws.
3. A vibration-proof servo motor according to claim 2, characterized in that: the counterweight device further comprises a connecting column sleeved on the motor shaft and a counterweight fixed on the connecting column, and a locking assembly used for locking and unlocking the counterweight at the installation position on the connecting column is arranged between the connecting column and the counterweight.
4. A vibration-proof servo motor according to claim 3, wherein: the locking assembly comprises a first bevel gear arranged on the connecting column, a transmission shaft connected with the first bevel gear through a second bevel gear and a driving shaft meshed with the transmission shaft through a plurality of synchronous gears, a handle is arranged on the driving shaft, the driving shaft drives the transmission shaft to rotate through the plurality of synchronous gears, and the second bevel gear is meshed with the first bevel gear to enable the transmission shaft to transversely rotate and convert the transverse rotation of the transmission shaft into the vertical rotation of the connecting column.
5. A vibration-proof servo motor according to claim 1, characterized in that: and a through hole is formed in the motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311791411.2A CN117543887A (en) | 2023-12-25 | 2023-12-25 | Vibration-proof servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311791411.2A CN117543887A (en) | 2023-12-25 | 2023-12-25 | Vibration-proof servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117543887A true CN117543887A (en) | 2024-02-09 |
Family
ID=89788269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311791411.2A Pending CN117543887A (en) | 2023-12-25 | 2023-12-25 | Vibration-proof servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117543887A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1120193A (en) * | 1964-12-31 | 1968-07-17 | Boeing Co | Vibration absorbing device |
| CN205753820U (en) * | 2016-06-20 | 2016-11-30 | 浙江凯成纺织机械有限公司 | A kind of brshless DC motor with improvement main shaft |
| CN207459911U (en) * | 2017-09-28 | 2018-06-05 | 帝悦精密科技（苏州）有限公司 | A kind of high-precision integral type servo-drive decelerating motor |
| CN208767933U (en) * | 2018-06-04 | 2019-04-19 | 深圳市杰美康机电有限公司 | One kind is based on mechanical shaft encoder control device |
| CN112018960A (en) * | 2019-05-29 | 2020-12-01 | 上海安浦鸣志自动化设备有限公司 | Encoder device of integrated motor |
| CN113765301A (en) * | 2021-09-09 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Magnetic suspension motor and method for improving dynamic balance debugging accuracy |
| CN114157096A (en) * | 2021-12-09 | 2022-03-08 | 珠海格力电器股份有限公司 | Servo motor and inertia control method thereof |
| CN218844205U (en) * | 2022-10-26 | 2023-04-11 | 维迈(广东)自动化科技有限公司 | Driving transmission device for roller shutter door |
-
2023
- 2023-12-25 CN CN202311791411.2A patent/CN117543887A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1120193A (en) * | 1964-12-31 | 1968-07-17 | Boeing Co | Vibration absorbing device |
| CN205753820U (en) * | 2016-06-20 | 2016-11-30 | 浙江凯成纺织机械有限公司 | A kind of brshless DC motor with improvement main shaft |
| CN207459911U (en) * | 2017-09-28 | 2018-06-05 | 帝悦精密科技（苏州）有限公司 | A kind of high-precision integral type servo-drive decelerating motor |
| CN208767933U (en) * | 2018-06-04 | 2019-04-19 | 深圳市杰美康机电有限公司 | One kind is based on mechanical shaft encoder control device |
| CN112018960A (en) * | 2019-05-29 | 2020-12-01 | 上海安浦鸣志自动化设备有限公司 | Encoder device of integrated motor |
| CN113765301A (en) * | 2021-09-09 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Magnetic suspension motor and method for improving dynamic balance debugging accuracy |
| CN114157096A (en) * | 2021-12-09 | 2022-03-08 | 珠海格力电器股份有限公司 | Servo motor and inertia control method thereof |
| CN218844205U (en) * | 2022-10-26 | 2023-04-11 | 维迈(广东)自动化科技有限公司 | Driving transmission device for roller shutter door |
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