CN-224233423-U - Unmanned electric steering wheel direct-drive brushless torque motor

CN224233423UCN 224233423 UCN224233423 UCN 224233423UCN-224233423-U

Abstract

The utility model discloses a brushless torque motor directly driven by an unmanned electric steering wheel, which comprises a stator, a rotor and an insulating coil bracket, wherein the stator is provided with a mounting hole for the rotor to be mounted in, the periphery of the mounting hole is provided with a plurality of mounting grooves which are arranged in an equal graduation manner, the rotor comprises a cylindrical iron core, a hollow shaft is mounted on the iron core, a plurality of uniformly distributed weight-reducing grooves which are recessed inwards are arranged on the outer wall of the stator, and a plurality of uniform weight-reducing waist-shaped grooves are arranged in the iron core. Compared with manual coil inserting, the scheme adopts machine winding, designs a coil bracket, adopts a triangular connection method for winding connection, reduces welding heads, realizes batch production, reduces labor cost and ensures consistent products.

Inventors

GUO MINGLU
HUANG JIAGENG
WANG WEITING
LI HAO
MO WEI
GU MIAOMIAO
JIANG BO

Assignees

深圳市正德智控股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250515

Claims (5)

1. The unmanned electric steering wheel direct-drive brushless torque motor is characterized by comprising a stator (1), a rotor (2) and an insulating coil bracket (9), wherein a mounting hole (3) for the rotor (2) to be installed is formed in the stator (1), a plurality of equally-divided mounting grooves (4) are formed in the periphery of the mounting hole (3), the rotor (2) comprises a cylindrical iron core (5), a hollow shaft (6) is installed on the iron core (5), a plurality of uniformly-distributed weight-reducing grooves (7) which are recessed inwards are formed in the outer wall of the stator (1), a plurality of uniform weight-reducing waist-shaped grooves (8) are formed in the iron core (5), and the weight-reducing waist-shaped grooves (8) penetrate through two sides of the iron core (5); two insulating coil brackets (9) are arranged on the upper end face and the lower end face of the stator (1), windings are wound between the insulating half covers (904), and the windings are connected in a triangular mode.
2. The unmanned electric steering wheel direct-drive brushless torque motor according to claim 1, wherein the insulating coil support (9) comprises a support main body (901), a first insulating sheet (902) covering the surface of the stator (1) is arranged on the support main body (901), second insulating sheets (903) inserted into inner walls of two sides of the mounting groove (4) are arranged on two sides of the first insulating sheet (902), the second insulating sheets (903) are attached to the inner walls of the mounting groove, and the first insulating sheet (902), the second insulating sheet (903) and the support main body (901) are enclosed to form an insulating half cover (904) covered inside the mounting groove (4), and a winding anti-falling side plate (905) is arranged on the insulating half cover (904); The two insulating coil supports (9) are arranged on the upper side and the lower side of the stator (1), the two insulating half covers (904) on the two insulating coil supports (9) are in butt joint to form a sealed insulating cover which covers the inner wall of the mounting groove (4), and the two insulating half covers (904) are clamped into a whole through a clamping structure.
3. The direct-drive brushless torque motor for an unmanned electric steering wheel according to claim 1, wherein the engagement structure comprises a bayonet (907) provided at a lower end of a holder body (901) on an insulating coil holder (9), and a latch (908) provided at a lower end of the holder body (901) on the insulating coil holder (9) to be engaged into the bayonet.
4. The unmanned electric steering wheel direct-drive brushless torque motor according to claim 1, wherein the surfaces of the stator (1) and the rotor (2) are subjected to electrophoresis treatment to uniformly deposit protective paint on the surfaces, and the hollow shaft (6) is subjected to anodic oxidation treatment to form a compact aluminum oxide film on the surface of an aluminum alloy through anodic oxidation.
5. The unmanned electric steering wheel direct-drive brushless torque motor according to claim 1, wherein three clamping grooves (25) are formed in the insulating coil support (9), three printed circuit boards (24) are clamped and fixed on the insulating coil support (9) through the clamping grooves (25), and three wire outlet sheets and winding three-phase enameled wire joints are welded to the printed circuit boards (24) through welding.

Description

Unmanned electric steering wheel direct-drive brushless torque motor Technical Field The utility model relates to the technical field of motors, in particular to a brushless torque motor directly driven by an unmanned electric steering wheel. Background The unmanned agricultural machine is agricultural machine equipment capable of performing autonomous navigation, has more advantages compared with the traditional manual driving agricultural machine, can reduce labor cost, can perform agricultural production work such as cultivation, seeding and fertilization under the condition of no personnel operation, reduces labor cost, can improve production efficiency, can precisely operate through an intelligent control system, avoids repeated operation and waste, improves production efficiency, can ensure the safety of farmers, and can ensure the personal safety of the farmers because the unmanned agricultural machine can avoid personnel entering dangerous areas. The unmanned agricultural machinery has wide development prospect, can greatly improve the efficiency and quality of agricultural production, simultaneously reduces the labor intensity and risk of farmers, and can become a new trend of agricultural production in the future, thereby creating more abundant grains and living resources for people. The motor is used as a core component of the steering wheel of the unmanned agricultural machinery, aiming at the operation working condition and the use environment of the motor, the prior art scheme has some defects, such as that a speed reducer is often added to the motor to realize the characteristics of low rotation speed and large torque, so that the whole volume is large, the motor is designed without considering operation under severe complex environments, such as rust under a damp and hot environment, the motor is heavy in design weight and is not subjected to weight reduction design, and the motor is designed without considering the defects of mass production, high labor cost and the like. Disclosure of utility model The utility model provides a direct-drive brushless torque motor for an unmanned electric steering wheel, which aims to solve the defects that the basket in the prior art is large in size, occupies large space and is inconvenient to store when not used. In order to solve the technical problems, the utility model provides the following technical scheme: The utility model relates to an unmanned electric steering wheel direct-drive brushless torque motor, which comprises a stator, a rotor and an insulating coil bracket, wherein the stator is provided with a mounting hole for the rotor to be mounted in, the periphery of the mounting hole is provided with a plurality of mounting grooves which are arranged in an equal graduation manner, the rotor comprises a cylindrical iron core, a hollow shaft is mounted on the iron core, a plurality of uniformly distributed weight-reducing grooves which are recessed inwards are arranged on the outer wall of the stator, a plurality of uniform weight-reducing waist-shaped grooves are arranged in the iron core, and the weight-reducing waist-shaped grooves penetrate through two sides of the iron core and are arranged on insulating covers on the inner wall of the mounting grooves; two insulating coil brackets are arranged on the upper end face and the lower end face of the stator, windings are wound between the insulating half covers, and the windings are connected in a triangular mode. As a preferable technical scheme of the utility model, the insulated coil bracket comprises a bracket main body, wherein a first insulating sheet covered on the surface of a stator is arranged on the bracket main body, second insulating sheets inserted into the inner walls of the two sides of the mounting groove are arranged on the two sides of the first insulating sheet, the second insulating sheets are attached to the inner walls of the mounting groove, and the first insulating sheet, the second insulating sheet and the bracket main body are enclosed to form an insulating half cover covered in the mounting groove; And two insulating coil supports are arranged, the two insulating coil supports are respectively arranged on the upper side and the lower side of the stator, and the insulating half covers on the two insulating coil supports are in butt joint to form a closed cover. As a preferred technical scheme of the utility model, the clamping structure comprises a bayonet arranged at the lower end of a bracket main body on one insulating coil bracket and a clamping block arranged at the lower end of the bracket main body on one insulating coil bracket and clamped into the bayonet. According to the preferred technical scheme, an end cover is further arranged at the outer end part of the insulating coil support, a rubber expansion balloon which is inserted into the mounting groove and is in contact with the outer side walls of the two windings is arranged on the end cover, a liquid storag