CN218829509U

CN218829509U - High-integration-level motor for steering wheel system

Info

Publication number: CN218829509U
Application number: CN202223088458.6U
Authority: CN
Inventors: 王路阔; 陈威振; 赖恒; 李敏; 谷青明; 翟国涛; 屈继文; 张云鹏; 孙佳辉
Original assignee: Jiangsu Jinling Institute Of Intelligent Manufacturing Co ltd; China Aerospace Science And Industry Group Co ltd
Current assignee: Jiangsu Jinling Institute Of Intelligent Manufacturing Co ltd; China Aerospace Science And Industry Group Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-07
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a high integration motor for rudder wheel system, including motor stator, electric motor rotor and output shaft, motor stator pressure equipment is in the motor housing, both sides in the motor housing are connected respectively by motor front end housing and motor tail cover, the inboard electric motor rotor pressure equipment output shaft of motor stator, output shaft one end is stretched out from the motor front end housing for be connected with the speed reducer, stopper and encoder have been arranged to the output shaft other end, all install in the motor tail cover, and motor tail cover upper portion is provided with cable sealing joint, the cable of motor all is qualified for the next round of competitions through this cable sealing joint seal. Compare in market with power servo motor, the utility model provides a motor does not have under the big change condition at the external diameter, through the mode that improves the integrated level, shortens length.

Description

High-integration-level motor for steering wheel system

Technical Field

The utility model belongs to the motor structure field, concretely relates to high integration motor for steering wheel system.

Background

The steering wheel system is a power component of the AGV, wherein the motor is a key component influencing the driving capability of the steering wheel system. At present, a driving servo motor conventionally used in a steering wheel system, such as a high-performance alternating-current permanent magnet servo motor mentioned in CN212323962U, has all parts arranged in series and long overall length, and an output end is a conventional optical axis, and cannot be directly used as a primary gear train of a speed reducer, so that a turning radius of one of key parameters of the steering wheel system is directly large, which causes the layout design of a vehicle body of an AGV to be unfriendly, and affects the application range of the steering wheel system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high integration motor for helm system compares in market with power servo motor, and this motor does not have under the big change condition in the external diameter, through the mode that improves the integration, shortens length, has enlarged helm system's application scope.

Realize the utility model discloses the technical solution of purpose does: the utility model provides a high integration motor for helm system, includes motor stator, electric motor rotor and output shaft, and motor stator pressure equipment is in motor shell, and motor front end housing and motor tail cover are connected respectively to both sides in the motor shell, the inboard electric motor rotor pressure equipment output shaft of motor stator, output shaft one end is stretched out from motor front end housing for be connected with the speed reducer, and stopper and encoder have been arranged to the output shaft other end, all install in motor tail cover, and motor tail cover upper portion sets up the cable sealing joint, and the sealed line of being qualified for the next round of competitions of all realizing through this cable sealing joint to the cable of motor stator, stopper, encoder.

Furthermore, a brake is installed inside the motor tail cover through a threaded connecting piece, an output shaft penetrates through a spline of the brake and then is connected with a rotor of the encoder, and a stator of the encoder is installed on the outer side of the motor tail cover through the threaded connecting piece.

Further, an encoder outer cover is installed on the outer side of the encoder, and the encoder outer cover is fixed with the motor tail cover through a threaded connector.

Furthermore, the output shaft of the motor is a cylindrical bevel gear shaft, and a gear shaft extending out of the front end cover of the motor is used as a sun gear connected with a planetary reducer.

Furthermore, the middle of the output shaft of the motor is of a boss-shaped structure and can be matched with an inner hole of the rotor.

Furthermore, the front end cover of the motor is of a quincunx sheet structure, and a motor fixing and mounting interface is reserved on the petal structure.

Further, 12 groups of heat dissipation fins are arranged on the motor outer shell, the number of each group is 6, and installation interfaces of a motor front end cover and a motor tail cover are reserved among the fins of each group.

Furthermore, the motor tail cover is of a box-shaped structure, a brake is installed inside the motor tail cover, and a cavity between the brake and the tail cover is used for installing a bearing and reserving an installation interface of the encoder.

Furthermore, the motor rotor is in interference connection with the output shaft, and a pair of symmetrical bearings are respectively arranged at two ends of the output shaft and respectively supported and positioned on the motor front end cover and the motor tail cover.

Furthermore, the motor tail cover, the motor front end cover and the motor shell are sealed by epoxy resin glue, and the motor tail cover and the encoder outer cover are sealed by epoxy resin glue.

Compared with the prior art, the utility model, it is showing the advantage: (1) The integrated level is high, the brake encoders are all integrated at the tail end of the motor, and a bearing and the encoders are arranged in a cavity between the brake and the tail cover, so that the space is fully utilized; (2) The motor tail cover, the motor front end cover and the motor outer shell are sealed by epoxy resin glue, the motor tail cover and the encoder outer cover are sealed by epoxy resin glue, and outgoing lines are sealed by cable sealing joints; (3) The output end of the motor is a gear shaft which can be directly used as a first-level sun gear connected with the speed reducer, so that the axial length space is saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an exploded view of the present invention.

Detailed Description

The described embodiments are only some of the embodiments of the present invention, not all of them, and other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

The technical solution of the present invention is described with reference to fig. 1, fig. 2 and fig. 3. The embodiment provides a super short type high power high integration level servo motor for a steering wheel system, and the motor comprises an output shaft 1, a bearing 2, a motor front end cover 3, a motor rotor 4, a motor stator 5, a motor outer shell 6, a motor tail cover 7, a brake 8, a bearing 9, an encoder 10, an encoder outer cover 11 and a cable sealing joint 12.

Motor stator 5 pressure equipment is in motor housing body 6, be provided with radiating fin on the shell body 6 and be used for the heat dissipation of motor natural forced air cooling, shell body 6 both ends are passed through threaded connection spare and are connected with motor front end housing 3 and motor tail cover 7, motor rotor 4 pressure equipment output shaft 1, both interference connections, each a pair of bearing symmetrical arrangement in output shaft 1 both ends, support respectively and locate motor front end housing 3 and motor tail cover 7, motor front end housing 3 department output shaft 1 is gear shaft output, as the input of speed reducer, motor tail cover 7 is inside to pass through threaded connection spare installation stopper 8, output shaft 1 passes and connects encoder 10 rotor behind the spline of stopper 8, encoder 10 stator passes through threaded connection spare and installs in the motor tail cover 7 outside, encoder outer cover 11 installs outside encoder 10, it is fixed with motor tail cover 7 through threaded connection ware. The motor tail cover, the motor front end cover and the motor shell are sealed through epoxy resin glue, the motor tail cover 7 and the encoder 10 are sealed through epoxy resin glue, a cable sealing joint 12 is arranged on the upper portion of the motor tail cover 7, and all cables of the motor are led out through the cable sealing joint in a sealing mode.

The working principle is as follows: the coil is wound in the winding groove inside the motor stator 5 and is connected with an external cable through the cable sealing joint 12, and after the external power supply is electrified, a magnetic field is generated on the stator 5, so that the motor rotor 4 drives the output shaft 1 to rotate and output torque. Meanwhile, the encoder 10 is connected to the output shaft 1 and used as a position sensor to feed back the real-time position of the motor to an upper computer, so that the closed-loop control of the motor is realized. After power failure, the electromagnetic brake 8 connected with the output shaft 1 can be automatically locked for protection.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high integration motor for rudder wheel system, includes motor stator, electric motor rotor and output shaft, its characterized in that, motor stator pressure equipment is in motor outer casing, both sides in the motor outer casing are connected respectively by motor front end housing and motor tail cover, the inboard electric motor rotor pressure equipment output shaft of motor stator, output shaft one end is stretched out from motor front end housing for be connected with the speed reducer, and stopper and encoder have been arranged to the output shaft other end, all install in motor tail cover, and motor tail cover upper portion is provided with cable sealing joint, the cable of motor all is qualified for the next round of competitions through this cable sealing joint seal.

2. The highly integrated motor for the steering wheel system according to claim 1, wherein the brake is installed inside the motor tail cover through a threaded connector, the output shaft passes through the spline of the brake and then is connected with the rotor of the encoder, and the stator of the encoder is installed outside the motor tail cover through a threaded connector.

3. The high integration motor for a rudder wheel system according to claim 2, wherein an encoder housing is installed at an outer side of the encoder, and the encoder housing is fixed to the motor tail housing by a screw connector.

4. The highly integrated motor for a steering wheel system according to claim 3, wherein the motor tail cover and the motor front end cover are sealed with the motor outer housing by epoxy resin glue, and the motor tail cover and the encoder outer housing are sealed with the epoxy resin glue.

5. The high-integration motor for a rudder wheel system according to claim 1, wherein the motor output shaft is a cylindrical bevel gear shaft as a sun gear to which a planetary reducer is connected.

6. The high-integration motor for the steering wheel system according to claim 1, wherein the middle of the output shaft of the motor is a boss-shaped structure which is matched with an inner hole of a rotor of the motor.

7. The highly integrated motor for the steering wheel system according to claim 1, wherein the motor front end cover is a quincunx sheet structure, and a motor fixing and mounting interface is arranged on the petal structure.

8. The highly integrated motor for a steering wheel system according to claim 1, wherein 12 sets of heat dissipation fins are arranged on the motor outer housing, each set is 6, and a mounting interface of a motor front end cover and a motor tail cover is reserved between the sets of fins.

9. The high-integration motor for the steering wheel system according to claim 1, wherein the motor rotor is in interference connection with the output shaft, and a pair of symmetrical bearings are respectively arranged at two ends of the output shaft and respectively supported and positioned on the motor front end cover and the motor tail cover.

10. The highly integrated motor for a rudder wheel system according to any one of claims 1 to 9, wherein the motor tail housing is of a box-shaped structure, a brake is mounted inside, and a cavity between the brake and the motor tail housing is used for mounting a bearing and is provided with a mounting interface of an encoder.