CN210405049U - Double-rotor motor - Google Patents

Double-rotor motor Download PDF

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Publication number
CN210405049U
CN210405049U CN201921785621.XU CN201921785621U CN210405049U CN 210405049 U CN210405049 U CN 210405049U CN 201921785621 U CN201921785621 U CN 201921785621U CN 210405049 U CN210405049 U CN 210405049U
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China
Prior art keywords
cover
rotor
shell
winding
shaft
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CN201921785621.XU
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Chinese (zh)
Inventor
刘洪德
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Qingdao Houde New Energy Technology Development Co Ltd
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Qingdao Houde New Energy Technology Development Co Ltd
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Abstract

The utility model belongs to the technical field of motors, in particular to a double-rotor motor, the main structure of which comprises a lifting ring, a base, a stator shell, a shell left end cover, a shell right end cover, a winding rotor shell, a winding rotor end cover shaft, a winding rotor end cover, a winding, a permanent magnet rotor shaft, a shell end cover bearing, a permanent magnet rotor bearing, an outer bearing, an inner bearing, a planetary gear mechanism, a carbon brush holder, a carbon brush and a slip ring; the utility model discloses a birotor motor is rational in infrastructure, and the principle is reliable, and the winding and the magnet of generator all rotate to opposite direction as the rotor, have improved the output efficiency of motor, have overcome two output shaft rotation ratios in the current design problem that can't be confirmed, easily make and install.

Description

Double-rotor motor
The technical field is as follows:
the utility model belongs to the technical field of the motor, concretely relates to birotor motor utilizes the counter rotation of winding rotor and magnet rotor, realizes dual-port output.
Background art:
the conventional motor mainly comprises a stator and a rotor, and a rotating magnetic field is generated by utilizing an electrified coil and acts on the rotor to form magnetoelectric power rotating torque so as to convert electric energy into mechanical energy. In some applications, torque in opposite directions is generated by increasing the mechanical transmission or increasing the number of motors, but the increase of the mechanical transmission increases loss and reduces efficiency, and both methods cannot be used if there is a limitation on the overall occupied space. For this reason, a structure of a double-rotor motor has been proposed.
The invention patent with application number 201910301808.6 discloses a contra-rotating disc type motor structure, which comprises a fusion type rotating shaft structure (I), an integrated machine shell structure (II) and a supporting bearing (102), and is characterized in that: the fusion type rotating shaft structure (I) is connected with external brush slip rings (109, 113) of the shaft through rotating shaft channels (110-112) by the inner ends of the windings (105-107) of each phase for power supply; meanwhile, the integrated rotating shaft structure (I) is contained in the integrated shell structure (II) and is supported by the supporting bearing (102); the integrated machine shell structure (II) is connected with the machine shell (201) through the outer end part of the permanent magnet (202); the electromagnetic force generated by the interaction of the winding of the fusion type rotating shaft structure (I) and the permanent magnet of the integrated shell structure (II) drives the two to move towards opposite directions. The invention patent with the application number of 201510976852.9 discloses a double-rotor motor structure, which comprises an inner rotor, an outer rotor, a stator, a first motor support and a second motor support, wherein the inner rotor, the outer rotor and the stator are all arranged between the first motor support and the second motor support and are supported by the first motor support and the second motor support, and the outer rotor is fixed on the first motor support and the second motor support through an outer rotor bearing; the inner rotor is secured to the outer rotor by an inner rotor bearing. The two said inventions can realize bidirectional power output, but the rotation speed ratio of two output shafts can not be determined under different loads, so that it can not be applicable to the occasion requiring double-rotor rotation speed ratio to be fixed.
The utility model has the following contents:
the utility model aims to overcome the defect that prior art exists, to the conventional motor only one end mechanical output and the two output shaft of birotor motor than unfixed shortcoming, can batch production make, rational in infrastructure, under low cost's the condition, seek to design a birotor motor.
In order to achieve the above object, the utility model relates to a birotor motor, its major structure includes rings, base, stator casing, shell left end cap, shell right end cap, winding rotor shell, winding rotor end cap axle, winding rotor end cap, winding, permanent magnet rotor axle, shell end cap bearing, permanent magnet rotor bearing, outer bearing, inner bearing, planetary gear mechanism, carbon brush holder, carbon brush and sliding ring; the stator shell is fixedly connected with the shell left end cover and the shell right end cover through bolts respectively, the lifting ring is integrally and fixedly arranged above the stator shell and used for lifting, and the base is arranged below the stator shell; in the stator shell, a cylindrical winding rotor shell is fixedly connected with a winding rotor end cover shaft and a winding rotor end cover through bolts, and a winding is fixedly arranged in the winding rotor shell; one end of the permanent magnet rotor shaft enters the winding rotor shell and the inside of the winding rotor end cover and is rotatably connected with the winding rotor end cover shaft through a permanent magnet rotor bearing, and the other end of the permanent magnet rotor shaft extends out of the right end cover of the shell; the permanent magnet rotor is fixedly arranged on a permanent magnet rotor shaft in the winding rotor shell; one end of the winding rotor end cover shaft is in a shaft shape, is rotatably connected with the left end cover of the shell through a shell end cover bearing and extends out of the left end cover of the shell, and the other end of the winding rotor end cover shaft is in an end cover shape and is fixedly connected with the shell of the winding rotor; the permanent magnet rotor shaft is rotatably connected with the winding rotor end cover through a planetary gear mechanism.
The planetary gear mechanism of the utility model comprises a planet carrier, a planetary gear, an inner gear ring, a sun gear and an end cover; the right side of the planet carrier is fixed in the right end cover of the shell, and the left side of the planet carrier is rotatably provided with 4 planet gears; the sun gear is fixedly sleeved on the permanent magnet rotor shaft and is meshed with the four planetary gears, and the inner gear ring is arranged at a central opening of the winding rotor end cover and is meshed with the other side of the planetary gears; meanwhile, the permanent magnet rotor shaft is rotatably connected with the planet carrier through an inner bearing, the winding rotor end cover is rotatably connected with the planet carrier through an outer bearing, and the outer bearing and the inner bearing play a role in auxiliary fixing; the end cover is fixedly arranged on the left side of the planet carrier to prevent oil stains from splashing; the planet carrier is fixed and does not rotate, the permanent magnet rotor shaft and the winding rotor end cover transmit torque through the planetary gear mechanism and rotate in opposite directions, and the rotating speed ratio of the permanent magnet rotor shaft to the winding rotor end cover is fixed.
The slip ring of the utility model is sleeved on the shaft-shaped part of the end cover shaft of the winding rotor, and the slip ring is electrically connected with the winding; the carbon brush holder is fixedly arranged in the shell left end cover, and the carbon brush is fixed on the carbon brush holder, is in contact with the slip ring and is pressed tightly through the spring.
Compared with the prior art, the utility model, the birotor motor that designs is rational in infrastructure, and the principle is reliable, and the winding and the magnet of generator all rotate to opposite direction as the rotor, have improved the output efficiency of motor, have overcome two output shaft rotation ratios in the current design problem that can't confirm, easily make and install, and application environment is friendly.
Description of the drawings:
fig. 1 is a schematic view of the main structure of a dual-rotor motor according to the present invention.
Fig. 2 is a schematic view of the structural principle of the planetary carrier and the planetary gear according to the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following examples and accompanying drawings.
Example (b):
the main structure of the dual-rotor motor related to the embodiment comprises a lifting ring 1, a base 2, a stator housing 3, a housing left end cover 4, a housing right end cover 5, a winding rotor housing 6, a winding rotor end cover shaft 7, a winding rotor end cover 8, a winding 9, a permanent magnet rotor 10, a permanent magnet rotor shaft 11, a housing end cover bearing 12, a permanent magnet rotor bearing 13, an outer bearing 14, an inner bearing 15, a planet carrier 16, a planet gear 17, a sun gear 18, an end cover 19, a carbon brush holder 20, a carbon brush 21 and a slip ring 22; the stator shell 3 is fixedly connected with the shell left end cover 4 and the shell right end cover 5 through bolts respectively, the hoisting ring 1 is integrally and fixedly arranged above the stator shell 3 and used for hoisting, and the base 2 is arranged below the stator shell 3; in the stator housing 3, a cylindrical winding rotor housing 6 is fixedly connected with a winding rotor end cover shaft 7 and a winding rotor end cover 8 through bolts, and a winding 9 is fixedly arranged in the winding rotor housing 9; one end of a permanent magnet rotor shaft 11 enters the winding rotor shell 6 and the winding rotor end cover 8 and is rotatably connected with a winding rotor end cover shaft 7 through a permanent magnet rotor bearing 13, and the other end of the permanent magnet rotor shaft 11 extends out of the right end cover 5 of the shell; the permanent magnet rotor 10 is fixedly arranged on a permanent magnet rotor shaft 11 inside the winding rotor housing 6.
The right side of the planet carrier 16 is fixed in the right end cover 5 of the shell, and the left side of the planet carrier 16 is rotatably provided with 4 planet gears 17; a sun gear 18 is fixedly sleeved on the permanent magnet rotor shaft 11 and is meshed with the four planet gears 17, and an inner gear ring is arranged at a central opening of the winding rotor end cover 8 and is meshed with the other side of the planet gears 17; meanwhile, the permanent magnet rotor shaft 11 is rotatably connected with the planet carrier 16 through an inner bearing 15, the winding rotor end cover 8 is rotatably connected with the planet carrier 16 through an outer bearing 14, and the outer bearing 14 and the inner bearing 15 play a role in auxiliary fixing; the end cover 19 is fixedly arranged on the left side of the planet carrier 16 to prevent oil stains from splashing; the planet carrier 16 is fixed and does not rotate, the permanent magnet rotor shaft 11 and the winding rotor end cover 8 transmit torque through the planetary gear mechanism and rotate in opposite directions, and the rotation speed ratio of the permanent magnet rotor shaft and the winding rotor end cover is fixed.
One end of the winding rotor end cover shaft 7 is shaft-shaped, is rotatably connected with the shell left end cover 4 through a shell end cover bearing 12 and extends out of the shell left end cover 4, and the other end of the winding rotor end cover shaft 7 is end cover-shaped and is fixedly connected with the winding rotor shell 6; the slip ring 22 is sleeved on the shaft-shaped part of the winding rotor end cover shaft 7, and the slip ring 22 is electrically connected with the winding 9; the carbon brush holder 20 is fixedly arranged inside the left end cover 4 of the shell, and the carbon brush 21 is fixed on the carbon brush holder 20, is in contact with the slip ring 22 and is pressed tightly through a spring.
When the motor is used, the winding rotor shell 6, the winding rotor end cover shaft 7, the winding rotor end cover 8 and the winding 9 rotate in the forward direction, the permanent magnet rotor 10, the permanent magnet rotor shaft 11 and the sun gear 18 rotate in the reverse direction, and the two rotating parts are connected through the planetary gear structure, so that the rotating speed ratio of forward rotation to reverse rotation is always fixed.

Claims (3)

1. A double-rotor motor characterized in that: the main structure comprises a lifting ring, a base, a stator shell, a shell left end cover, a shell right end cover, a winding rotor shell, a winding rotor end cover shaft, a winding rotor end cover, a winding, a permanent magnet rotor shaft, a shell end cover bearing, a permanent magnet rotor bearing, an outer bearing, an inner bearing, a planetary gear mechanism, a carbon brush holder, a carbon brush and a sliding ring; the stator shell is fixedly connected with the shell left end cover and the shell right end cover through bolts respectively, the lifting ring is integrally and fixedly arranged above the stator shell and used for lifting, and the base is arranged below the stator shell; in the stator shell, a cylindrical winding rotor shell is fixedly connected with a winding rotor end cover shaft and a winding rotor end cover through bolts, and a winding is fixedly arranged in the winding rotor shell; one end of the permanent magnet rotor shaft enters the winding rotor shell and the inside of the winding rotor end cover and is rotatably connected with the winding rotor end cover shaft through a permanent magnet rotor bearing, and the other end of the permanent magnet rotor shaft extends out of the right end cover of the shell; the permanent magnet rotor is fixedly arranged on a permanent magnet rotor shaft in the winding rotor shell; one end of the winding rotor end cover shaft is in a shaft shape, is rotatably connected with the left end cover of the shell through a shell end cover bearing and extends out of the left end cover of the shell, and the other end of the winding rotor end cover shaft is in an end cover shape and is fixedly connected with the shell of the winding rotor; the permanent magnet rotor shaft is rotatably connected with the winding rotor end cover through a planetary gear mechanism.
2. The pair-rotor motor according to claim 1, characterized in that: the planetary gear mechanism comprises a planet carrier, a planetary gear, an inner gear ring, a sun gear and an end cover; the right side of the planet carrier is fixed in the right end cover of the shell, and the left side of the planet carrier is rotatably provided with 4 planet gears; the sun gear is fixedly sleeved on the permanent magnet rotor shaft and is meshed with the four planetary gears, and the inner gear ring is arranged at a central opening of the winding rotor end cover and is meshed with the other side of the planetary gears; meanwhile, the permanent magnet rotor shaft is rotatably connected with the planet carrier through an inner bearing, the winding rotor end cover is rotatably connected with the planet carrier through an outer bearing, and the outer bearing and the inner bearing play a role in auxiliary fixing; the end cover is fixedly arranged on the left side of the planet carrier to prevent oil stains from splashing.
3. The pair-rotor motor according to claim 1, characterized in that: the slip ring is sleeved on the shaft-shaped part of the end cover shaft of the winding rotor and is electrically connected with the winding; the carbon brush holder is fixedly arranged in the shell left end cover, and the carbon brush is fixed on the carbon brush holder, is in contact with the slip ring and is pressed tightly through the spring.
CN201921785621.XU 2019-10-22 2019-10-22 Double-rotor motor Active CN210405049U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921785621.XU CN210405049U (en) 2019-10-22 2019-10-22 Double-rotor motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921785621.XU CN210405049U (en) 2019-10-22 2019-10-22 Double-rotor motor

Publications (1)

Publication Number Publication Date
CN210405049U true CN210405049U (en) 2020-04-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921785621.XU Active CN210405049U (en) 2019-10-22 2019-10-22 Double-rotor motor

Country Status (1)

Country Link
CN (1) CN210405049U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111431365A (en) * 2020-04-28 2020-07-17 高立军 Cross magnetic flux rolling brush laminated rotor motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111431365A (en) * 2020-04-28 2020-07-17 高立军 Cross magnetic flux rolling brush laminated rotor motor

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