CN112389189B - Hub motor for unmanned vehicle - Google Patents

Hub motor for unmanned vehicle Download PDF

Info

Publication number
CN112389189B
CN112389189B CN202011206420.7A CN202011206420A CN112389189B CN 112389189 B CN112389189 B CN 112389189B CN 202011206420 A CN202011206420 A CN 202011206420A CN 112389189 B CN112389189 B CN 112389189B
Authority
CN
China
Prior art keywords
rotary transformer
rotor
hub
stator
convex ring
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.)
Active
Application number
CN202011206420.7A
Other languages
Chinese (zh)
Other versions
CN112389189A (en
Inventor
张以红
严安照
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Wangdefu Motor Co ltd
Original Assignee
Zhejiang Wangdefu Motor Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Wangdefu Motor Co ltd filed Critical Zhejiang Wangdefu Motor Co ltd
Priority to CN202011206420.7A priority Critical patent/CN112389189B/en
Publication of CN112389189A publication Critical patent/CN112389189A/en
Application granted granted Critical
Publication of CN112389189B publication Critical patent/CN112389189B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • 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
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • 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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a hub motor for an unmanned vehicle, which comprises a motor body, wherein the motor body comprises a central shaft, a stator, a rotor and a rotary transformer, hub fixing end covers and disc brake fixing end covers are arranged on two sides of the rotor, the rotor is arranged on the outer side of the stator, an air gap is formed between the rotor and the stator, the rotary transformer comprises a rotary transformer stator and a rotary transformer rotor, an air gap is formed between the rotary transformer stator and the rotary transformer rotor, the rotary transformer stator is fixedly connected with the stator, the rotary transformer rotor is fixedly connected with the hub fixing end covers through a rotary transformer rotor fixing base and a rotary transformer rotor fixing aluminum block, a fourth convex ring extending along the axial direction is arranged in the middle of the hub fixing end covers, the outer edge of the rotary transformer rotor fixing base extends along the axial direction to form a fifth convex ring, and the inner side face of the fifth convex ring is attached to the outer side face of the fourth convex ring. The hub supporting plate is added, and the double-bearing support is adopted, so that the mounting is firm, the reliability is high, and the bearing torsion can be relatively large.

Description

Hub motor for unmanned vehicle
Technical Field
The invention relates to the technical field of motors, in particular to a hub motor for an unmanned vehicle.
Background
The hub motor is designed by integrating a power system, a transmission system and a brake system of a vehicle. The structure of the vehicle is simple due to the fact that a large number of transmission bodies are omitted, various complex driving modes can be achieved, and the hub motor has the characteristic that a single wheel can be driven independently, so that the all-wheel-drive four-wheel-drive vehicle can be achieved easily in a front-wheel-drive mode, a rear-wheel-drive mode or a four-wheel-drive mode, and the all-wheel-drive four-wheel-drive vehicle is very easy to achieve.
The existing hub motor is characterized in that a hub is connected with a rotor of the motor, the rotor drives the hub to rotate after rotating, but the hub is supported only on a single side, namely the hub is fixed on one side of the rotor, the rotor is installed on a motor shaft through a bearing, the weight of the hub, a tire and a vehicle body is borne by the bearing on the fixed side, the service life of the bearing and the hub is shortened easily due to uneven stress, meanwhile, due to the fact that effective support is not available, the load capacity of the hub motor is limited, an unmanned vehicle is heavy in general vehicle body, the required power of the hub motor is large, and the general hub motor cannot be applied.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the hub motor for the unmanned vehicle, which adopts double-bearing support, is firm to mount, has high reliability and can bear larger bearing torsion.
In order to achieve the purpose, the invention adopts the following technical scheme:
a in-wheel motor for unmanned car, including motor body, motor body includes center pin, stator, rotor and revolves the change, the fixed end cover of wheel hub and the fixed end cover of dish brake are installed to the rotor both sides, the outside of stator is located to the rotor, form the air gap between rotor and the stator, revolve the change including revolving the stator and revolving the change rotor, it forms the air gap to revolve between change stator and the rotatory change rotor, revolve change stator and stator fixed connection, revolve change rotor and the fixed end cover fixed connection of wheel hub.
The rotary transformer rotor is fixedly connected with the hub fixing end cover through a rotary transformer rotor fixing base and a rotary transformer rotor fixing aluminum block.
The hub fixing end cover and the rotary-transformer rotor fixing base are fixedly connected through bolts, a fourth convex ring extending along the axial direction is arranged in the middle of the hub fixing end cover, a fifth convex ring is formed on the outer edge of the rotary-transformer rotor fixing base in an extending mode along the axial direction, and the inner side face of the fifth convex ring is attached to the outer side face of the fourth convex ring.
Rotatory change sub-fixed baseplate and the fixed aluminium pig of rotatory change rotor pass through bolt fixed connection, the middle of rotatory change sub-fixed baseplate extends along the axial and forms the sixth bulge loop, the sixth bulge loop includes step portion, the radial face of the fixed aluminium pig of the rotatory change rotor of the radial face laminating of step portion, the axial face of the fixed aluminium pig of the rotatory change rotor of the axial face laminating of step portion, one side of the fixed aluminium pig of rotatory change rotor is along the protruding edge of radial extension formation second, the both ends of rotatory change rotor are the protruding edge of butt second and sixth bulge loop respectively.
The spiral transformer stator is characterized in that a plurality of waist-shaped holes are formed in the circumferential direction of the spiral transformer stator, a plurality of mounting lugs are arranged in the middle of the stator, the spiral transformer stator penetrates the waist-shaped holes through screws to be screwed into the mounting lugs to be fixedly connected with the stator, the outer edge of each mounting lug axially extends to form a first convex ring, and the inner side face of each first convex ring is attached to the outer side face of the spiral transformer stator.
Wheel hub is installed in the outside of wheel hub fixed end cover, the wheel hub backup pad is installed to the one end of center pin, the outward flange and the wheel hub fixed connection of wheel hub backup pad, install first bearing between wheel hub backup pad and the center pin.
Brake subassembly and frame rocking arm are installed in the center pin outside, brake subassembly installs in the frame rocking arm and the centre of dish fixed end cover of stopping, brake subassembly is including the brake disc and the brake caliper of mutually supporting, brake disc fixed mounting is in the dish fixed end cover of stopping, brake caliper fixed mounting is in the frame rocking arm.
The frame rocker arm pressing plate and the shaft pressing block are installed on the two sides of the frame rocker arm respectively, one side of the shaft pressing block is fixed through a shaft sleeve, the shaft sleeve abuts against a shaft shoulder of the central shaft, and one side of the frame rocker arm pressing plate is fixed through a screw cap.
Through holes are formed in the frame rocker arm pressing plate and the shaft pressing block, and the central shaft penetrates through the through holes.
The frame rocker arm, the frame rocker arm pressing plate and the shaft pressing block are screwed and fixed through fixing bolts.
The invention has the beneficial effects that:
1. the original single-side support is changed into double-bearing support by adding the hub support plate, so that the weight of the hub can be more uniformly applied to the first bearing, the original uneven stress condition is improved, and meanwhile, the integral bearable weight of the hub motor is greatly increased due to the addition of one support point, and the applicability is wider;
2. the hub supporting plate also plays a dustproof role, and can prevent dust and large-particle impurities such as sand and stones from entering the hub supporting plate, so that a first bearing and an oil seal in the hub supporting plate are protected, and the service life of the hub motor is prolonged;
3. the rotary transformer stator is arranged at the mounting lug of the stator and is screwed and fixed by screws, so that the mounting is convenient, the rotary transformer rotor is fixedly connected with the hub fixing end cover through the rotary transformer rotor fixing base and the rotary transformer rotor fixing aluminum block, the fixing mode is firm, the precision is high, and the stability is good;
4. frame rocking arm clamp plate with axle briquetting passes through the non-circular structural cooperation with the center pin, prevents effectively that frame rocking arm circumferential direction from rotating, and frame rocking arm, frame rocking arm clamp plate and axle briquetting pass through fixing bolt and screw up fixedly, it is fixed that the axle sleeve is passed through to one side of axle briquetting, the axle sleeve offsets with the shaft shoulder, it is fixed that the nut is passed through to one side of frame rocking arm clamp plate, prevents that the frame rocking arm from taking place the axial float, and this fixed in structure is firm, and the reliability is higher, can bear great bearing torsion.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a perspective view of the junction of the rotary transformer and the stator;
FIG. 6 is a perspective view of the rotation;
FIG. 7 is a perspective view of the hub support plate;
FIG. 8 is a cross-sectional view of a portion of the motor;
FIG. 9 is a partial perspective view of the brake assembly and rocker arm of the vehicle frame;
fig. 10 is an exploded view of the rocker arm of the vehicle frame.
In the figure: the brake comprises a hub 1, a hub shell 11, an outer radial surface 111, an inner radial surface 112, a hub end cover 12, a first flange 121, a joint part 122, a motor body 2, a central shaft 21, a stator 22, a mounting lug 221, a first convex ring 222, a rotor 23, a disc brake fixing end cover 24, a hub fixing end cover 25, a second convex ring 251, a third convex ring 252, a fourth convex ring 253, a shaft sleeve 26, a first bearing 27, an oil seal 28, a second bearing 29, a brake component 3, a brake disc 31, a brake 32, a caliper brake block 33, a frame rocker arm 4, a frame rocker arm pressing plate 41, a nut 42, a shaft pressing block 43, a first shaft pressing block 431, a second shaft pressing block 432, a rotary transformer 5, a rotary transformer stator 51, a waist-shaped hole 511, a rotary transformer rotor 52, a rotary transformer fixing base 53, a fifth convex ring 531, a sixth convex ring 532, a 533, a rotary transformer rotor fixing aluminum block 54, a second flange 541, a hub supporting plate 6, a first step ring 61, A second stepped ring 62.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1-10, an in-wheel motor for unmanned vehicle, including motor body 2, motor body 2 includes center pin 21, stator 22, rotor 23 and revolves and becomes 5, wheel hub fixed end cover 25 and dish are installed to rotor 23 both sides and are stopped fixed end cover 24, rotor 23 all passes through bolted connection with wheel hub fixed end cover 25, dish fixed end cover 24, the outside of stator 22 is located to rotor 23, form the air gap between rotor 23 and the stator 22, rotor 23 includes the magnet steel of pasting at its annular inner wall through glue, and it is actually to form the air gap between the inside wall of magnet steel and the lateral wall of stator 22, installs temperature control resistor on stator 22's the winding, the external controller of temperature control resistor for detect the temperature, when the winding temperature was too high, the controller can cut off the power supply and protect, prevents that in-wheel motor is impaired.
Become 5 soon including becoming stator 51 soon and rotatory change rotor 52 soon, form the air gap between becoming stator 51 soon and the rotatory change rotor 52, it passes through screw fixed connection with stator 22 to become stator 51 soon, it is equipped with a plurality of waist shape hole 511 to become stator 51 circumference soon, stator 22's centre is equipped with a plurality of installation lug 221, and installation lug 221 sets up with center pin 21 is concentric, and waist shape hole 511 and installation lug 221 quantity are 5. The rotary variable stator 51 is screwed into the mounting lug 221 through the waist-shaped hole 511 by a screw to be fixedly connected with the stator 22, the outer edge of the mounting lug 221 extends along the axial direction to form a first convex ring 222, and the inner side surface of the first convex ring 222 is attached to the outer side surface of the rotary variable stator 51.
The rotary transformer 5 is used for detecting the position of the rotor 23, the precision and the stability of the rotary transformer 5 are high, the rotary transformer can accurately detect the position of the rotor 23 on which winding of the stator 22 is located, and the current direction can be controlled correctly. The structure of the motor is similar to a small motor, and generally, a Hall sensor, a magnetic encoder and a photoelectric encoder are commonly used on the market for detecting the position of the motor, but the Hall sensor, the magnetic encoder and the photoelectric encoder cannot be separated from electronic elements, so that the reliability is poor. The rotary transformer 5 in this embodiment is a reluctance type multi-pole rotary transformer, has no electronic components, is not damaged by static electricity or high voltage, and has higher use reliability.
The rotary transformer 52 is fixedly connected with the hub fixing end cover 25, and the rotary transformer 52 is fixedly connected with the hub fixing end cover 25 through a rotary transformer rotor fixing base 53 and a rotary transformer rotor fixing aluminum block 54. The method specifically comprises the following steps: the hub fixing end cover 25 and the rotary-change rotor fixing base 53 are fixedly connected through bolts, a fourth convex ring 253 extending along the axial direction is arranged in the middle of the hub fixing end cover 25, the fourth convex ring 253, the second convex ring 251 and the third convex ring 252 are positioned on different sides of the hub fixing end cover 25, the outer edge of the rotary-change rotor fixing base 53 extends along the axial direction to form a fifth convex ring 531, the inner side surface of the fifth convex ring 531 is attached to the outer side surface of the fourth convex ring 253, the rotary-change rotor fixing base 53 and the rotary-change rotor fixing aluminum block 54 are fixedly connected through bolts, the middle of the rotary-change rotor fixing base 53 extends along the axial direction to form a sixth convex ring 532, the sixth convex ring 532 and the fifth convex ring 531 are positioned on different sides of the rotary-change rotor fixing base 53, the sixth convex ring 532 comprises a step portion 533, the radial surface of the step portion 533 is attached to the radial surface of the rotary-change rotor fixing aluminum block 54, the axial surface of the step portion 533 is attached to the axial surface of the rotor fixing aluminum block 54.
One side of the rotary transformer rotor fixing aluminum block 54 extends along the radial direction to form a second convex edge 541, and two ends of the rotary transformer rotor 52 are respectively abutted against the second convex edge 541 and the sixth convex ring 532.
In the present embodiment, the rotary transformer 5 is installed inside the in-wheel motor, the rotary transformer stator 51 is installed at the installation bump 221 of the stator 22, and then the rotary transformer is screwed and fixed by screws, so that the installation is convenient, the rotary transformer 52 is pressed and fixed by the rotary transformer rotor fixing base 53 and the rotary transformer rotor fixing aluminum block 54, and the rotary transformer fixing base 53, the rotary transformer rotor fixing aluminum block 54 and the rotary transformer 52 are positioned by the second convex edge 541, the fourth convex ring 253 and the sixth convex ring 532, so that the rotary transformer fixing base 53, the rotary transformer rotor fixing aluminum block 54 and the rotary transformer 52 are concentric with the central shaft 21. The mounting mode has the advantages of simple structure, high concentricity of the rotary transformer rotor 52 and the rotary transformer stator 51, good use effect and more convenient maintenance and mounting.
The hub 1 is mounted on the outer side of the hub fixing end cover 25, the hub 1 comprises a hub shell 11 and a hub end cover 12 fixedly mounted on one side of the hub shell 11, one side of the hub shell 11 close to the hub end cover 12 is provided with an outer radial surface 111 and an inner radial surface 112, the outer radial surface 111 is located on the outer side of the inner radial surface 112, one end of a central shaft 21 is provided with a hub support plate 6, a first bearing 27 is mounted between the hub support plate 6 and the central shaft 21, the hub support plate 6 is located on the inner side of the hub end cover 12, the hub support plate 6 is mounted on one side of the central shaft 21 close to the hub end cover 12, the outer edge of the hub support plate 6 is fixedly connected with the hub 1, specifically, the outer edge of the hub support plate 6 is connected with the inner radial surface 112 through a bolt, the hub support plate 6 comprises a first stepped ring 61 extending along the axial direction, part of the first stepped ring 61 extends along the axial direction to form a second stepped ring 62, first step ring 61 and second step ring 62 locate the one side towards wheel hub shell 11, the medial surface of radial surface 112 in the annular outer wall laminating of first step ring 61, install first bearing 27 and oil blanket 28 between wheel hub fixed end cover 25 and the center pin 21, one side that motor body 2 is close to wheel hub end cover 12 is located to wheel hub fixed end cover 25, one side of wheel hub fixed end cover 25 forms second bulge loop 251 along axial extension, the centre of second bulge loop 251 forms third bulge loop 252 along axial extension, the medial surface laminating second step ring 62's of third bulge loop 252 lateral surface.
Wheel hub backup pad 6 and wheel hub fixed end cover 25 are all connected with center pin 21 through first bearing 27, the single face support situation when not adding wheel hub backup pad 6 originally has been improved, the duplex bearing supports the weight that can make wheel hub 1 and can apply on first bearing 27 more evenly, the uneven circumstances of original atress has been improved, simultaneously because a strong point has been more, the whole weight greatly increased that can bear of in-wheel motor, the suitability is wider, and because in-wheel motor operational environment is abominable, wheel hub backup pad 6 still plays dustproof effect, wheel hub backup pad 6 can prevent some dust and the impurity of big granule such as grit get into inside, protect inside first bearing 27 and oil blanket 28, extension in-wheel motor's life.
The hub shell 11 and the hub end cover 12 are fixed by bolts, the hub end cover 12 includes a first protruding edge 121 extending along the axial direction and an attaching portion 122 extending inward along the radial direction, an inner side surface of the first protruding edge 121 is attached to an outer side surface of the outer radial surface 111, and one side of the outer radial surface 111 is attached to the attaching portion 122.
The outer edge of the disc brake fixing end cover 24 is fixedly connected with the rotor 23 through bolts, a second bearing 29 is installed between the disc brake fixing end cover 24 and the central shaft 21, the second bearing 29 is a high-precision double-row angular contact bearing, can bear large axial force and radial force, is particularly suitable for a hub motor with a single-side output shaft, can bear load force in all directions, and is better in reliability and long in service life.
The outer side of the central shaft 21 is provided with a brake component 3 and a frame rocker arm 4, the brake component 3 is arranged between the frame rocker arm 4 and a disc brake fixed end cover 24, the brake component 3 comprises a brake disc 31 and a brake caliper 32 which are matched with each other, the brake disc 31 is fixedly arranged on a disc brake fixed end cover 24, the inner side ring surface of the brake disc 31 is fixedly connected with the disc brake fixed end cover 24 through a bolt, the brake caliper 32 is sleeved on the outer edge of the brake disc 31, a caliper brake block 33 is arranged inside the brake caliper 32, the caliper brake block 33 is arranged at the edge interval of the brake disc 31, the brake caliper 32 is fixedly arranged on a frame rocker arm 4, when braking, the friction between the brake disc 31 and the caliper brake block 33 can generate large heat, so that a large vent hole is formed in one side of the frame rocker arm 4 close to the brake caliper 32, heat can be timely dissipated, and parts can be better protected.
Frame rocker arm clamp plate 41 and axle briquetting 43 are installed respectively to the both sides of frame rocker arm 4, and through-hole has all been seted up to frame rocker arm clamp plate 41 and axle briquetting 43, and center pin 21 passes the through-hole, this through-hole just all designs into non-circular structure with the one end looks adaptation of center pin 21, can prevent effectively that frame rocker arm 4 circumferential direction from rotating. The shaft pressing block 43 comprises a first shaft pressing block 431 and a second shaft pressing block 432, the frame rocker arm 4 is clamped between the first shaft pressing block 431 and the second shaft pressing block 432, the first shaft pressing block 431 and the second shaft pressing block 432 are pressed and fixed through a fixing screw, and the shaft pressing block 43 is divided into two blocks to be fixed again, so that the shaft pressing block 43 and the central shaft 21 are connected more tightly and are not easy to loosen. The frame rocker arm 4, the frame rocker arm pressing plate 41 and the shaft pressing block 43 are screwed and fixed through fixing bolts, one side of the shaft pressing block 43 is fixed through the shaft sleeve 26, the shaft sleeve 26 abuts against the shaft shoulder of the central shaft 21, one side of the frame rocker arm pressing plate 41 is fixed through the screw cap 42, the frame rocker arm 4 is prevented from axially moving, the structure is fixed firmly, the reliability is higher, and the large bearing torsion force can be borne.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (5)

1. A in-wheel motor for unmanned car, including motor body (2), its characterized in that: the motor body (2) comprises a central shaft (21), a stator (22), a rotor (23) and a rotary transformer (5), wherein a hub fixing end cover (25) and a disc brake fixing end cover (24) are installed on two sides of the rotor (23), the rotor (23) is arranged on the outer side of the stator (22), an air gap is formed between the rotor (23) and the stator (22), the rotary transformer (5) comprises a rotary transformer stator (51) and a rotary transformer rotor (52), an air gap is formed between the rotary transformer stator (51) and the rotary transformer rotor (52), the rotary transformer stator (51) is fixedly connected with the stator (22), the rotary transformer rotor (52) is fixedly connected with the hub fixing end cover (25) through a rotary transformer rotor fixing base (53) and a rotary transformer fixing aluminum block (54), the hub fixing end cover (25) is fixedly connected with the rotary transformer rotor fixing base (53) through a bolt, a fourth convex ring (253) extending along the axial direction is arranged in the middle of the hub fixing end cover (25), the outer edge of the rotary-change rotor fixing base (53) extends along the axial direction to form a fifth convex ring (531), the inner side surface of the fifth convex ring (531) is attached to the outer side surface of the fourth convex ring (253), the rotary-change rotor fixing base (53) and the rotary-change rotor fixing aluminum block (54) are fixedly connected through bolts, the middle of the rotary-change rotor fixing base (53) extends along the axial direction to form a sixth convex ring (532), the sixth convex ring (532) comprises a step part (533), the radial surface of the step part (533) is attached to the radial surface of the rotary-change rotor fixing aluminum block (54), the axial surface of the step part (533) is attached to the axial surface of the rotary-change rotor fixing aluminum block (54), one side of the rotary-change rotor fixing aluminum block (54) extends along the radial direction to form a second convex edge (541), the two ends of the rotary transformer rotor (52) are respectively abutted against a second convex edge (541) and a sixth convex ring (532), a plurality of waist-shaped holes (511) are formed in the circumferential direction of the rotary transformer stator (51), a plurality of mounting convex blocks (221) are arranged in the middle of the stator (22), the rotary transformer stator (51) penetrates through the waist-shaped holes (511) through screws and is screwed into the mounting convex blocks (221) to be fixedly connected with the stator (22), the outer edge of each mounting convex block (221) axially extends to form a first convex ring (222), the inner side surface of each first convex ring (222) is attached to the outer side surface of the rotary transformer stator (51), a hub (1) is mounted on the outer side of the hub fixing end cover (25), a hub supporting plate (6) is mounted at one end of the central shaft (21), the outer edge of the hub supporting plate (6) is fixedly connected with the hub (1), and a first bearing (27) is mounted between the hub supporting plate (6) and the central shaft (21), the hub support plate (6) comprises a first stepped ring (61) extending along the axial direction, a part of the first stepped ring (61) extends along the axial direction to form a second stepped ring (62), one side of the hub fixing end cover (25) extends along the axial direction to form a second convex ring (251), the middle of the second convex ring (251) extends along the axial direction to form a third convex ring (252), and the inner side face of the third convex ring (252) is attached to the outer side face of the second stepped ring (62).
2. The in-wheel motor for an unmanned vehicle as claimed in claim 1, wherein: brake subassembly (3) and frame rocking arm (4) are installed in center pin (21) outside, install in the centre of frame rocking arm (4) and dish fixed end cover (24) of stopping in brake subassembly (3), brake subassembly (3) are including the brake disc (31) and the brake caliper (32) of mutually supporting, brake disc (31) fixed mounting is in dish fixed end cover (24) of stopping, brake caliper (32) fixed mounting is in frame rocking arm (4).
3. The in-wheel motor for an unmanned vehicle according to claim 2, wherein: the frame rocker arm pressing plate (41) and the shaft pressing block (43) are respectively installed on two sides of the frame rocker arm (4), one side of the shaft pressing block (43) is fixed through a shaft sleeve (26), the shaft sleeve (26) abuts against a shaft shoulder of the central shaft (21), and one side of the frame rocker arm pressing plate (41) is fixed through a screw cap (42).
4. The in-wheel motor for an unmanned vehicle of claim 3, wherein: through holes are formed in the frame rocker arm pressing plate (41) and the shaft pressing block (43), and the central shaft (21) penetrates through the through holes.
5. The in-wheel motor for an unmanned vehicle of claim 3, wherein: the frame rocker arm (4), the frame rocker arm pressure plate (41) and the shaft pressure block (43) are screwed and fixed through fixing bolts.
CN202011206420.7A 2020-11-02 2020-11-02 Hub motor for unmanned vehicle Active CN112389189B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011206420.7A CN112389189B (en) 2020-11-02 2020-11-02 Hub motor for unmanned vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011206420.7A CN112389189B (en) 2020-11-02 2020-11-02 Hub motor for unmanned vehicle

Publications (2)

Publication Number Publication Date
CN112389189A CN112389189A (en) 2021-02-23
CN112389189B true CN112389189B (en) 2022-04-22

Family

ID=74599047

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011206420.7A Active CN112389189B (en) 2020-11-02 2020-11-02 Hub motor for unmanned vehicle

Country Status (1)

Country Link
CN (1) CN112389189B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113446302A (en) * 2021-06-29 2021-09-28 美的威灵电机技术（上海）有限公司 Shafting structure, biax motor, fan and domestic appliance

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2482704B (en) * 2010-08-11 2014-01-15 Protean Electric Ltd Sealing arrangement for an electric motor or generator
KR20140084497A (en) * 2012-12-26 2014-07-07 현대모비스 주식회사 Resolver Mounting Structure For Motor
CN205901521U (en) * 2016-07-26 2017-01-18 苏州八方电机科技有限公司 Interior rotor hub motor
CN106849570A (en) * 2017-03-03 2017-06-13 福建亚南电机有限公司 A kind of permanent magnetism double stators and double rotors high torque density wheel hub motor
CN108400732A (en) * 2018-03-16 2018-08-14 西北工业大学 A kind of DC brushless motor or AC permanent magnet synchronous motor detecting apparatus for rotor position
CN209104954U (en) * 2018-10-31 2019-07-12 上海电驱动股份有限公司 A kind of hub motor support construction for electric car
CN209505429U (en) * 2018-12-14 2019-10-18 深圳市大富科技股份有限公司 A kind of hub motor, automotive wheel and automobile
CN109617317B (en) * 2018-12-25 2020-06-30 宁波圣龙汽车动力系统股份有限公司 Liquid-cooled in-wheel motor
CN110022029A (en) * 2019-04-26 2019-07-16 贵州航天林泉电机有限公司 A kind of outer rotor hub motor drive assembly

Also Published As

Publication number Publication date
CN112389189A (en) 2021-02-23

Similar Documents

Publication Publication Date Title
US6942049B2 (en) In-wheel motor for electric automobiles
US7121367B2 (en) Installation structure for electric rotating machine in motor vehicle
KR101004598B1 (en) Wheel structure for mounting in wheel motor
KR20100033375A (en) Road wheel propulsion apparatus and method of making
US11794516B2 (en) In-wheel motor unit
JP3568530B2 (en) Structure of heavy-duty wheel hub and brake disc
CA2743970C (en) Electric motor wheel assembly
CN112389189B (en) Hub motor for unmanned vehicle
WO2016151427A1 (en) Electric motor assembly for a motor vehicle and brake
CN111845320B (en) Drive-brake integrated electric wheel integrating disc type hub motor and speed reducer and automobile
CN113799595A (en) Wheel assembly integrating hub motor, rim and brake
CN105691103A (en) Hub driving assembly
CN208801852U (en) A kind of wheel motor drive device
WO1995013198A1 (en) Wheel bearing arrangements
CN113085444B (en) Hub reduction assembly and hub reduction drive axle
CN113098156B (en) Large-torque braking hub motor
EP4214074A1 (en) A rim in a wheel assembly for mounting a tire
CN220067018U (en) Rotor for torque servo motor
CN214565253U (en) Passenger car disc brake wheel end assembly
US20230347730A1 (en) Wheel device with integrated electric motor for a motor vehicle
CN109878491B (en) ABS magnetic pole fixing device and assembly and hub motor integrated with ABS magnetic pole fixing device
CN110571974A (en) single-rotor disc generator for railway vehicle and bogie
CN212001330U (en) Land leveler drive axle wheel end device
WO2023035105A1 (en) Hub motor driving system and vehicle
CN114559806A (en) Wheel hub motor wheel assembly and wheel hub motor bearing unit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant