CN113315308B - Motor drive unit - Google Patents
Motor drive unit Download PDFInfo
- Publication number
- CN113315308B CN113315308B CN202110508247.4A CN202110508247A CN113315308B CN 113315308 B CN113315308 B CN 113315308B CN 202110508247 A CN202110508247 A CN 202110508247A CN 113315308 B CN113315308 B CN 113315308B
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- China
- Prior art keywords
- motors
- driven gear
- driving
- motor
- output shaft
- 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.)
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- 238000009434 installation Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
-
- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Gear Transmission (AREA)
Abstract
本发明提供一种电机组驱动装置，该装置包括机架、输出轴、至少两个电机、第一从动齿轮和第二从动齿轮，至少两个电机分别设置在机架的不同侧壁上，至少两个的电机的驱动轴线平行设置，至少两个的电机的驱动轴线位于同一平面上，至少两个电机的驱动端分别连接有主动齿轮，主动齿轮分别与第一从动齿轮、第二从动齿轮啮合连接，输出轴与第二从动齿轮固定连接，采用以上结构，通过不同位置的电机的驱动端的旋转叠加，实现调节电机组驱动装置的输出功率，根据电机组驱动装置需要输出功率的大小，增加或减少输出功率的电机数，从而调整输出轴所获得的功率，从而实现输出功率的可调控，实现节能。
The present invention provides a motor group driving device, which comprises a frame, an output shaft, at least two motors, a first driven gear and a second driven gear. The at least two motors are respectively arranged on different side walls of the frame, the driving axes of the at least two motors are arranged in parallel, the driving axes of the at least two motors are located on the same plane, the driving ends of the at least two motors are respectively connected with driving gears, the driving gears are respectively meshed and connected with the first driven gear and the second driven gear, and the output shaft is fixedly connected with the second driven gear. With the above structure, the output power of the motor group driving device can be adjusted by rotating and superimposing the driving ends of the motors at different positions. According to the size of the output power required by the motor group driving device, the number of motors with output power is increased or decreased, thereby adjusting the power obtained by the output shaft, thereby realizing the controllable output power and energy saving.
Description
Technical Field
The invention relates to the field of power driving devices, in particular to a motor group driving device.
Background
The large-scale mobile machinery products in the current market all use high-power motors to provide the motion force, but the large-power motors have larger volumes and higher energy loss, and the large-power motors have larger energy loss under the condition of low load, so that the economic price is poor, and the energy-saving requirements of the current market cannot be met.
Disclosure of Invention
The invention mainly aims to provide a motor group driving device with adjustable and controllable output power.
In order to achieve the main purpose, the motor group driving device provided by the invention comprises a frame, an output shaft, at least two motors, a first driven gear and a second driven gear, wherein the at least two motors are respectively arranged on different side walls of the frame, driving axes of the at least two motors are arranged in parallel, the driving axes of the at least two motors are positioned on the same plane, driving ends of the at least two motors are respectively connected with a driving gear, the driving gears are respectively connected with the first driven gear and the second driven gear in a meshed manner, and the output shaft is fixedly connected with the second driven gear.
According to the scheme, the output power of the motor group driving device is adjusted through the rotation superposition of the driving ends of the motors at different positions, when the motor group driving device needs to output high power, as the motors are connected with the output shaft through the gear meshing structure, the power of the motors is output simultaneously, so that the output shaft obtains larger instantaneous power, when the power required to be output by the motor group driving device is reduced, the number of the motors for outputting the power is reduced, the power obtained by the output shaft is reduced, the output power is adjustable, the energy saving is realized, the driving gears are driven by the motors to rotate, the stability among the driving gears can be improved when the driving gears are driven by the arrangement of the first driven gears to rotate, and the driving gears are enabled to drive the second driven gears to rotate more stably and accurately simultaneously.
Further, the central axis of the output shaft is perpendicular to the driving axes of at least two motors.
The further scheme is that the number of the motors is four, the four motors are respectively arranged on different side walls of the frame, the four motors enclose a transmission cavity, and the central axis of the output shaft penetrates through the central point of the transmission cavity.
Therefore, the output shaft positioned in the axial extending direction at the center of the transmission cavity can obtain the output power of each motor more timely and more intensively.
Further, the first driven gear, the second driven gear and the driving gear are bevel gears respectively.
Therefore, when the output shaft and the driving axis of each motor are vertically arranged, the driving gear is respectively in direct meshed connection with the first driven gear and the second driven gear, other intermediate transmission parts are not needed, the number of the transmission parts of the motor group driving device is small, and the structure is simpler.
Further scheme is, drive arrangement includes the subassembly that tests the speed, and the subassembly that tests the speed includes rotor and rotation speed sensor, and the output shaft is connected with rotor, has the recess on the rotation speed sensor, rotates the rotor in the recess, is provided with many logical grooves on the rotor, and many logical grooves are radial even setting along the output shaft from the output shaft.
Therefore, the rotating speed of the output shaft is obtained through the speed measuring assembly, and different rotating speeds can be adjusted according to different use scenes, so that the number of motors for correspondingly increasing or reducing the output power is increased.
Further scheme is, the frame includes motor installation curb plate, upper cover and lower cover, and motor installation curb plate is annular, and at least two motors setting are on the different lateral walls of motor installation curb plate, and the driving gear is located motor installation curb plate, and upper cover and lower cover are connected with motor installation curb plate respectively, and the upper cover sets up relatively with the lower cover, and the output shaft sets up on the lateral wall that the motor installation lateral wall was kept away from to the upper cover, and the second driven gear setting is on the lateral wall of lower cover towards motor installation curb plate, and first driven gear rotates relatively the lower cover.
Therefore, the upper cover is an installation carrier of the output shaft and the second driven gear, the lower cover is an installation carrier of the second driven gear, and the first driven gear, the second driven gear and each driving gear are concentrated in the motor installation side plate, so that the connection of the first driven gear, the second driven gear and each driving gear is more compact, and meanwhile, the transmission part is prevented from being exposed.
Drawings
Fig. 1 is a perspective view of an embodiment of the motor pack drive apparatus of the present invention.
Fig. 2 is a block diagram of an embodiment of a motor pack driving apparatus according to the present invention with a lower cover removed.
Fig. 3 is a cross-sectional view of an embodiment of the motor pack drive apparatus of the present invention.
The invention is further described below with reference to the drawings and examples.
Detailed Description
The motor group driving device of the invention obtains larger instantaneous power through the rotation superposition of the driving ends of the motors, adjusts the output power of the motor group driving device by adjusting the number and the size of the motors with the output power, thereby realizing energy saving, the motor group driving device can be used as a driving source of each moving body, and the moving body can comprise an unmanned plane, a new energy automobile or a ship, and the like.
Referring to fig. 1, the motor group driving apparatus includes a frame 1, an output shaft 2, and four motors 3, the frame 1 includes a motor mounting side plate 11, an upper cover 12, and a lower cover 13, the four motors 3 are disposed on different sidewalls of the motor mounting side plate 11, the upper cover 12 and the lower cover 13 are respectively connected with the motor mounting side plate 11, and the upper cover 12 is disposed opposite to the lower cover 13. The output shaft 2 is provided on a side wall of the upper cover 12 remote from the motor mounting side plate 11.
In the present embodiment, the motor mounting side plate 11 has a square rectangular shape, corners between every two adjacent outer side walls in the motor mounting side plate 11 are rounded, and the motor mounting side plate 11 is formed with four outer side walls 111. The number of the motors 3 is four, one motor 3 is correspondingly arranged on one outer side wall 111, and the driving ends of the motors 3 respectively penetrate through the motor installation side plates 11. The drive axes of the four motors 3 are arranged in parallel, and the drive axes of the four motors 3 are positioned on the same plane, so that the positions of the four motors 3 are relatively flush with each other, and the four motors are more easily connected with the transmission intermediate piece and the output shaft 2.
Referring to fig. 2 and 3, the motor driving device further includes a first driven gear 4 and a second driven gear 5, the first driven gear 4 is disposed on a side wall of the lower cover 13 facing the motor mounting side plate 11, in this embodiment, a positioning rod 41 is disposed on a side wall of the first driven gear 4 facing the lower cover 13, the positioning rod 41 penetrates the lower cover 13, and the first driven gear 4 rotates relative to the lower cover 13. The second driven gear 5 is disposed on a side wall of the upper cover 12 facing the motor mounting side plate 11, and the output shaft 2 penetrates the upper cover 12 and is fixedly connected with the second driven gear 5.
The driving ends of the four motors 3 are respectively connected with a driving gear 31, the driving gear 31 and a second driven gear 5 are used as transmission intermediate pieces for driving the output shaft 2 to rotate by the four motors, the four driving gears 31, the first driven gear 4 and the second driven gear 5 are respectively positioned in the motor installation side plate 11, and an upper cover 12 and a lower cover 13 respectively cover the inside of the motor installation side plate 11 to prevent the internal parts of the motor installation side plate 11 from being exposed. The driving gears 31 of the four motors 3 are respectively meshed with the second driven gear 5, the output shaft 2 is fixedly connected with the second driven gear 5 through the upper cover 12, and the driving gears 31 of the four motors 3 are respectively meshed with the first driven gear 4. When four motors 3 rotate simultaneously, drive first driven gear 4 and second driven gear 5 simultaneously and rotate, the rotation of second driven gear 5 drives the rotation of output shaft 2 to realize that the drive end of four motors 3 rotates superimposed power to output shaft 2, because the driving gear 31 on four motors 3 meshes with first driven gear 4 respectively, the setting of first driven gear 4 can improve the connection steadiness between a plurality of driving gears 31, makes a plurality of driving gears 31 drive second driven gear 5 rotation more steadily more accurately simultaneously. In this embodiment, the first driven gear 4, the second driven gear 5 and the driving gear 31 are bevel gears respectively, so that the first driven gear 4 and the second driven gear 5 can be directly meshed with four driving gears 31 respectively and smoothly at the same time, an intermediate transmission gear is not required to be added between the driving gear 31 and the first driven gear 4 or the second driven gear 5, so that transmission structural components are fewer, transmission efficiency is high, and meanwhile, the structure can be simplified most.
The four driving gears 31 in the motor mounting side plate 11, the first driven gear 4 and the second driven gear 5 enclose a transmission cavity 112. In the embodiment, the central axis of the output shaft 2 and the driving axes of the four motors 3 are respectively and vertically arranged, the central axis of the output shaft 2 passes through the transmission cavity 112, the central axis of the output shaft 2 passes through the central point of the transmission cavity 112, the distances between the central points and the driving gears 31 are the same, and the output power of the four motors 3 is overlapped on the output shaft 2 more timely and more intensively. The four motors 3 are respectively connected with the first driven gear 4 through the driving gear 31, so that the motors 3 can drive the first driven gear 4 to rotate, the positioning rod 41 on the first driven gear 4 can also serve as an output shaft, and the axis of the positioning rod on the lower cover 13 and the axis of the output shaft 2 on the upper cover 12 are arranged in a collinear manner, so that two output shafts 2 are formed in one motor set driving device.
In the present embodiment, the motor 3 employs an external rotor motor 3, the motor 3 includes a rotor 32 and a stator 33, the rotor 32 rotates relative to the stator 33, the stator 33 includes a magnetic steel frame 331 and a plurality of windings, and the plurality of windings are disposed on the magnetic steel frame 331. The rotor 32 includes an annular mounting plate 321, a plurality of permanent magnets 322, a motor upper cover 323, a motor bottom cover 324, and a rotating shaft 325, the stator 33 is disposed in the annular mounting plate 321, the stator 33 is disposed on the motor bottom cover 324, and the motor bottom cover 324 rotates relative to the stator 33. The plurality of permanent magnets 322 are respectively disposed on the inner side walls of the annular mounting plate 321, the motor upper cover 323 and the motor bottom cover 324 are respectively connected with the annular mounting plate 321, and the motor upper cover 323 and the motor bottom cover 324 are disposed opposite to each other. The motor upper cover 323 and the motor bottom cover 324 cover the stator 33 in the annular mounting plate 321, respectively, and a plurality of heat dissipation holes 3231 are provided on the motor upper cover 323. The rotation shaft 325 is fixedly connected with the motor upper cover 323 towards the side wall of the stator 33, the rotation shaft 325 sequentially penetrates through the magnetic steel frame 331, the motor bottom cover 324 and the motor installation side plate 11 in the annular installation plate 321, the driving end of the motor 1 is located on the rotation shaft 325, and the rotation shaft 325 penetrates through the motor installation side plate 11 to be connected with the driving gear 31.
Through the rotation superposition of the drive ends of the motors 3 at different positions, the output power of the motor group driving device is regulated, when the motor group driving device needs to output high power, as the motors 3 are connected with the output shaft 2 through the gear engagement structure, the powers of the motors 3 are simultaneously output, so that the output shaft 2 obtains larger instantaneous power, when the power required to be output by the motor group driving device is reduced, the number of the motors 3 with the output power is reduced, thereby reducing the power obtained by the output shaft 2, and further realizing the regulation and control of the output power, saving energy, and when the motors 3 drive the driving gear 31 to rotate to drive the first driven gear 4 and the second driven gear 5 to rotate, the stability among the driving gears 31 can be improved by the arrangement of the first driven gear 4, and the driving gears 31 can drive the second driven gear 5 to rotate more stably and accurately.
The motor group driving device comprises a speed measuring component 6, and the speed measuring component 6 is positioned on the side wall of the upper cover 12, which is far away from the motor mounting side plate 11. The speed measuring assembly 6 comprises a rotating plate 61 and a rotating speed sensor 62, the output shaft 2 is connected with the rotating plate 61, a groove 621 is formed in the rotating speed sensor 62, the rotating plate 61 rotates in the groove 621, a plurality of through grooves 611 are formed in the rotating plate 61, and the through grooves 611 are uniformly arranged radially from the output shaft 2 along the radial direction of the output shaft 2. The power obtained by the output shaft 2 is known through the speed measuring component 6, and different rotating speeds can be adjusted according to different use scenes, so that the number of motors 3 for correspondingly increasing or reducing the output power is increased.
Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the invention, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the invention, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the invention.
Claims (4)
1. The motor unit driving device is characterized by comprising a frame, an output shaft, at least two motors, a first driven gear and a second driven gear, wherein the at least two motors are respectively arranged on different side walls of the frame, driving axes of the at least two motors are arranged in parallel, the driving axes of the at least two motors are positioned on the same plane, driving ends of the at least two motors are respectively connected with a driving gear, the driving gears are respectively meshed with the first driven gear and the second driven gear, and the output shaft is fixedly connected with the second driven gear;
The central axis of the output shaft is respectively and vertically arranged with the driving axes of at least two motors;
the number of the motors is four, the four motors are respectively arranged on different side walls of the frame, the four motors enclose a transmission cavity, and the central axis of the output shaft penetrates through the transmission cavity.
2. The motor-unit driving device according to claim 1, wherein:
the first driven gear, the second driven gear and the driving gear are bevel gears respectively.
3. The motor group drive apparatus according to claim 1 or 2, characterized in that:
The driving device comprises a speed measuring assembly, the speed measuring assembly comprises a rotating plate and a rotating speed sensor, the output shaft is connected with the rotating plate, the rotating speed sensor is provided with a groove, the rotating plate rotates in the groove, the rotating plate is provided with a plurality of through grooves, and the through grooves are uniformly arranged radially along the radial direction of the output shaft.
4. A motor-unit driving apparatus according to claim 3, wherein:
The frame includes motor installation curb plate, upper cover and lower cover, the motor installation curb plate is the annular, at least two the motor sets up on the different lateral walls of motor installation curb plate, the driving gear is located in the motor installation curb plate, the upper cover with the lower cover respectively with the motor installation curb plate is connected, the upper cover with the lower cover sets up relatively, the output shaft sets up the upper cover is kept away from on the lateral wall of motor installation lateral wall, the second driven gear sets up the lower cover orientation on the lateral wall of motor installation curb plate, first driven gear is relative the lower cover rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110508247.4A CN113315308B (en) | 2021-05-11 | 2021-05-11 | Motor drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110508247.4A CN113315308B (en) | 2021-05-11 | 2021-05-11 | Motor drive unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113315308A CN113315308A (en) | 2021-08-27 |
| CN113315308B true CN113315308B (en) | 2025-04-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110508247.4A Active CN113315308B (en) | 2021-05-11 | 2021-05-11 | Motor drive unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113315308B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115560117B (en) * | 2022-09-20 | 2025-06-17 | 杭州精导智能科技有限公司 | A high-precision dual-axis linear electric valve servo control device and control method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214626690U (en) * | 2021-05-11 | 2021-11-05 | 珠海市双捷科技有限公司 | Motor set driving device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2025615C1 (en) * | 1991-12-18 | 1994-12-30 | Евгений Анисимович Кирсанов | Reduction gear |
| KR20000059664A (en) * | 1999-03-06 | 2000-10-05 | 배상석 | Variable delievery oil pump and variable oil hydraulic motor, infinite variable speed device and stepless transimission using the same |
| JP5025222B2 (en) * | 2005-11-21 | 2012-09-12 | 株式会社エンプラス | Gear device |
| US20100107792A1 (en) * | 2008-10-30 | 2010-05-06 | Yamaha Hatsudoki Kabushiki Kaisha | Shift mechanism, and vehicle equipped therewith |
| CN101888157B (en) * | 2010-07-13 | 2011-11-30 | 北京邮电大学 | Double-rotor radial driving meshing motor |
| CN204917881U (en) * | 2015-09-11 | 2015-12-30 | 曾振兴 | Electric automatization goods lift |
| CN206834927U (en) * | 2017-01-23 | 2018-01-02 | 东莞市丰辉微电机有限公司 | A kind of 90 degree of driving decelerating electric machines |
| JP7039949B2 (en) * | 2017-11-17 | 2022-03-23 | 株式会社アイシン | Vehicle drive |
| CN207868937U (en) * | 2017-12-26 | 2018-09-14 | 中山市技佳传动科技有限公司 | A kind of electric cleaning brush gear-box |
| CN110219961A (en) * | 2019-06-17 | 2019-09-10 | 马闪 | A kind of motor gear reducer |
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2021
- 2021-05-11 CN CN202110508247.4A patent/CN113315308B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214626690U (en) * | 2021-05-11 | 2021-11-05 | 珠海市双捷科技有限公司 | Motor set driving device |
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| Publication number | Publication date |
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| CN113315308A (en) | 2021-08-27 |
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