CN214626690U

CN214626690U - Motor set driving device

Info

Publication number: CN214626690U
Application number: CN202120995124.3U
Authority: CN
Inventors: 欧阳兆昌
Original assignee: Zhuhai Sv Tech Co ltd
Current assignee: Zhuhai Sv Tech Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-05
Anticipated expiration: 2031-05-11

Abstract

The utility model provides a motor group driving device, the device comprises a frame, an output shaft, at least two motors, a first driven gear and a second driven gear, at least two motors are respectively arranged on different side walls of the frame, the driving axes of at least two motors are arranged in parallel, the driving axes of at least two motors are positioned on the same plane, the driving ends of at least two motors are respectively connected with a driving gear, the driving gear is respectively meshed with the first driven gear and the second driven gear, the output shaft is fixedly connected with the second driven gear, by adopting the structure, the output power of the motor group driving device is adjusted by the rotary superposition of 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 the motors of the output power is increased or reduced, thereby the power obtained by the output shaft is adjusted, therefore, the output power can be regulated and controlled, and energy conservation is realized.

Description

Motor set driving device

Technical Field

The utility model relates to a power drive device field specifically is to a motor group drive arrangement.

Background

The large-scale mobile machinery products on the market all use a high-power motor to provide motion force, but the large-power motor has larger volume and higher energy loss, and the large-power motor has higher energy loss under the condition of low load, so that the economic price is poor, and the energy-saving requirement of the current market cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an adjustable controllable output's motor group drive arrangement.

In order to realize foretell main objective, the utility model provides a motor group drive arrangement includes the frame, the output shaft, two at least motors, first driven gear and second driven gear, two at least motors set up respectively on the different lateral walls of frame, the drive axis parallel arrangement of two at least motors, the drive axis of two at least motors is located the coplanar, the drive end of two at least motors is connected with the driving gear respectively, the driving gear respectively with first driven gear, second driven gear meshing is connected, output shaft and second driven gear fixed connection.

According to the scheme, the output power of the motor set driving device is adjusted by rotating and superposing the driving ends of the motors at different positions, when the motor set driving device needs to output high power, because 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 motors outputting power is reduced, thereby reducing the power obtained by the output shaft, realizing the regulation and control of the output power, realizing energy conservation, when the driving gears are driven by a plurality of motors to rotate to drive the first driven gear and the second driven gear to rotate, the arrangement of the first driven gear can improve the stability among the driving gears, so that the driving gears can drive the second driven gear to rotate more stably and more accurately.

The further proposal is that the central axis of the output shaft is respectively and vertically arranged with 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 rack, a transmission cavity is enclosed by the four motors, 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 extension direction at the center of the transmission cavity can obtain the power output by each motor more timely and intensively.

The further scheme is that the first driven gear, the second driven gear and the driving gear are bevel gears respectively.

It can be seen that when the output shaft and the driving axis of each motor are vertically arranged, the driving gear is respectively in direct meshing 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 set driving device is small, and the structure is simpler.

The further scheme is that the driving device comprises a speed measuring assembly, the speed measuring assembly comprises a rotating sheet and a rotating speed sensor, the output shaft is connected with the rotating sheet, a groove is formed in the rotating speed sensor, the rotating sheet rotates in the groove, a plurality of through grooves are formed in the rotating sheet, and the plurality of through grooves are radially and uniformly arranged along the radial direction of the output shaft from the output shaft.

It can be seen that learn the rotational speed of output shaft through the subassembly that tests the speed, can adjust different rotational speeds according to the difference that uses the scene to the motor quantity that corresponds increase or reduce output.

The further scheme is that the frame includes motor installation curb plate, upper cover and lower cover, motor installation curb plate is the annular, at least two motors set up on the different lateral walls of motor installation curb plate, the driving gear is located motor installation curb plate, upper cover and lower cover are connected with motor installation curb plate respectively, the upper cover sets up with the lower cover relatively, the output shaft sets up on the lateral wall of motor installation lateral wall is kept away from to the upper cover, the second driven gear sets up on the lateral wall of lower cover towards motor installation curb plate, the relative lower cover rotation of first driven gear.

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 the driving gears are concentrated in the motor installation side plate, so that the connection of the first driven gear, the second driven gear and the driving gears is more compact, and meanwhile, the transmission part is prevented from being exposed.

Drawings

Fig. 1 is a perspective view of an embodiment of a motor unit driving device according to the present invention.

Fig. 2 is a structural diagram of the motor assembly driving device according to the present invention after the lower cover is removed.

Fig. 3 is a sectional view of an embodiment of the motor unit driving apparatus of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

The utility model discloses a motor group drive arrangement makes the output shaft of being connected with each motor obtain great instantaneous power through the rotatory stack of the drive end of a plurality of motors, and through the quantity size of adjustment output's motor, the output of adjusting motor group drive arrangement to realize energy-conservation, motor group drive arrangement can be used to as the driving source of each moving body, and the moving body can include unmanned aerial vehicle, new energy automobile or boats and ships etc..

Referring to fig. 1, the motor group driving device includes a frame 1, an output shaft 2 and four motors 3, the frame 1 includes motor installation side plates 11, an upper cover 12 and a lower cover 13, the four motors 3 are disposed on different side walls of the motor installation side plates 11, the upper cover 12 and the lower cover 13 are respectively connected with the motor installation side plates 11, and the upper cover 12 and the lower cover 13 are disposed opposite to each other. The output shaft 2 is provided on a side wall of the upper cover 12 away from the motor mounting side plate 11.

In this embodiment, the motor installation side plate 11 is square and rectangular, a corner between every two adjacent outer side walls in the motor installation side plate 11 is a round corner, and the motor installation side plate 11 is formed with four outer side walls 111. The number of the motors 3 is four, one motor 3 is correspondingly installed on one outer side wall 111, and the driving end of each motor 3 penetrates through the motor installation side plate 11 respectively. The driving axes of the four motors 3 are arranged in parallel, and the driving axes of the four motors 3 are positioned on the same plane, so that the positions of the four motors 3 are mutually parallel and level, and the four motors are more easily connected with the transmission intermediate part 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 through the lower cover 13, and the first driven gear 4 rotates relative to the lower cover 13. The second driven gear 5 is arranged on the side wall of the upper cover 12 facing the motor installation side plate 11, and the output shaft 2 penetrates through the upper cover 12 and is fixedly connected with the second driven gear 5.

Driving gears 31 are respectively connected to driving ends of the four motors 3, and the driving gears 31 and the second driven gears 5 are used as transmission intermediate pieces for driving the output shafts 2 to rotate by the four motors; four driving gears 31, first driven gear 4 and second driven gear 5 are located motor installation curb plate 11 respectively, and upper cover 12 and lower cover 13 cover the inside of motor installation curb plate 11 respectively, avoid motor installation curb plate 11 inner part to expose. 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, rotation of second driven gear 5 drives output shaft 2's rotation, thereby realize that the drive end of four motors 3 rotates superposition power to output shaft 2 on, because driving gear 31 on four motors 3 respectively with first driven gear 4 meshing, first driven gear 4's setting can improve the connection steadiness between a plurality of driving gear 31, make a plurality of driving gear 31 more stable more accurately drive second driven gear 5 simultaneously and rotate. In this embodiment, the first driven gear 4, the second driven gear 5 and the driving gear 31 are respectively bevel gears, so that the first driven gear 4 and the second driven gear 5 can be respectively and smoothly directly engaged with the four driving gears 31 at the same time, and no intermediate transmission gear is required to be added between the driving gear 31 and the first driven gear 4 or the second driven gear 5, so that the number of transmission structural components is small, the transmission efficiency is high, and the structure can be simplified to the greatest extent.

Four driving gears 31 in the motor installation side plate 11, the first driven gear 4 and the second driven gear 5 enclose a transmission cavity 112. In the present embodiment, the central axis of the output shaft 2 and the driving axes of the four motors 3 are respectively disposed vertically; 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, and the distance between the central point and each driving gear 31 is the same; so that the output powers of the four motors 3 are more timely and more intensively superposed on the output shaft 2. Four motors 3 are connected with first driven gear 4 through driving gear 31 respectively for motor 3 can drive first driven gear 4 and rotate, makes locating lever 41 on first driven gear 4 also can regard as the output shaft, and the axis of the locating lever on the lower cover 13 sets up with the axis collineation of output shaft 2 on the upper cover 12, makes to be formed with two output shafts 2 in the driving device of a motor group.

In this embodiment, the motor 3 is 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 a ring-shaped 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 ring-shaped 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 permanent magnets 322 are respectively arranged on the inner side wall 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 oppositely arranged. The motor upper cover 323 and the motor bottom cover 324 respectively cover the stator 33 in the annular mounting plate 321, and a plurality of heat dissipation holes 3231 are formed in the motor upper cover 323. The rotating shaft 325 is fixedly connected with the side wall of the motor upper cover 323 facing the stator 33, the rotating 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 positioned on the rotating shaft 325, and the rotating shaft 325 penetrates through the motor installation side plate 11 and is connected with the driving gear 31.

The output power of the motor set driving device is adjusted through the rotation superposition of the driving ends of the motors 3 at different positions, when the motor set driving device needs to output high power, because the plurality of motors 3 are connected with the output shaft 2 through the gear meshing structure, the power of the plurality of motors 3 is output simultaneously, 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 outputting the power is reduced, thereby reducing the power obtained by the output shaft 2, realizing the regulation and control of the output power, realizing energy conservation, when the plurality of motors 3 drive the driving gear 31 to rotate, so as to drive the first driven gear 4 and the second driven gear 5 to rotate, the arrangement of the first driven gear 4 can improve the stability among the driving gears 31, so that the driving gears 31 can drive the second driven gear 5 to rotate more stably and accurately.

The motor set driving device comprises a speed measuring component 6, and the speed measuring component 6 is positioned on the side wall, far away from the motor installation side plate 11, of the upper cover 12. The speed measuring component 6 comprises a rotating sheet 61 and a rotating speed sensor 62, the output shaft 2 is connected with the rotating sheet 61, a groove 621 is formed in the rotating speed sensor 62, the rotating sheet 61 rotates in the groove 621, a plurality of through grooves 611 are formed in the rotating sheet 61, and the plurality of through grooves 611 are radially and uniformly arranged along the radial direction of the output shaft 2 from the output shaft 2. Learn the power size that output shaft 2 obtained through the subassembly 6 that tests the speed, can adjust different rotational speeds according to the difference of using the scene to the motor 3 quantity that corresponds increase or reduce output.

Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.

Claims

1. Motor group drive arrangement, its characterized in that includes: the driving mechanism comprises a rack, an output shaft, at least two motors, a first driven gear and a second driven gear, wherein the at least two motors are arranged on different side walls of the rack respectively, the driving axes of the at least two motors are arranged in parallel, the driving axes of the at least two motors are arranged on the same plane, the driving ends of the at least two motors are connected with driving gears respectively, the driving gears are meshed with the first driven gear and the second driven gear respectively, and the output shaft is fixedly connected with the second driven gear.

2. The motor unit drive of claim 1, wherein:

the central axis of the output shaft is respectively and vertically arranged with the driving axes of at least two motors.

3. The motor-unit drive of claim 2, wherein:

the motor is four in number, four the motor sets up respectively on the different lateral walls of frame, four the motor encloses into the transmission chamber, the central axis of output shaft passes the transmission chamber.

4. The motor-unit drive of claim 2, wherein:

the first driven gear, the second driven gear and the driving gear are bevel gears respectively.

5. The motor unit drive device according to any one of claims 1 to 4, wherein:

the driving device comprises a speed measuring assembly, the speed measuring assembly comprises a rotating sheet and a rotating speed sensor, the output shaft is connected with the rotating sheet, a groove is formed in the rotating speed sensor, the rotating sheet rotates in the groove, a plurality of through grooves are formed in the rotating sheet, and the plurality of through grooves are radially and uniformly formed in the output shaft along the radial direction of the output shaft.

6. Motor group drive according to claim 5, characterized in that:

the rack comprises a motor installation side plate, an upper cover and a lower cover, wherein the motor installation side plate is annular, at least two motors are arranged on different side walls of the motor installation side plate, the driving gear is located in the motor installation side plate, the upper cover and the lower cover are respectively connected with the motor installation side plate, the upper cover and the lower cover are arranged oppositely, the output shaft is arranged on the side wall of the motor installation side wall, the upper cover is far away from the side wall of the motor installation side plate, the second driven gear is arranged on the side wall of the lower cover facing the motor installation side plate, and the first driven gear is opposite to the lower cover in rotation.