CN217347484U

CN217347484U - Wheel-side power module of integrated steering mechanism

Info

Publication number: CN217347484U
Application number: CN202221566795.9U
Authority: CN
Inventors: 刘霄; 刘顺; 华永通
Original assignee: Shenzhen Xiaoxiang Electric Technology Co ltd
Current assignee: Shenzhen Xiaoxiang Electric Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-02
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses an integrated steering mechanism's wheel limit power module, including electron differential steering mechanism, servo control steering mechanism and linkage damper, one side of electron differential steering mechanism is provided with servo control steering mechanism, and the upper and lower both sides distribution of electron differential steering mechanism has linkage damper. This wheel limit power module of integrated steering mechanism, will turn to the assembly and concentrate on the wheel limit mould after, every wheel limit module will possess independent steering capacity, utilize axial magnetic field driving motor and planet speed reduction flattening advantage cooperation highly integrated to turn to the assembly and form the wheel limit power module that does not have mechanical steering, but make the whole flat miniaturization of power module and possess the characteristics of independent combination, the specially adapted is to the volume, on weight and the harsh electric automobile of cost requirement, diversified optimization makes whole power module volume littleer weight lighter, save more spaces and weight for electric automobile, make the car can arrange more batteries in order to increase continuation of the journey.

Description

Wheel-side power module of integrated steering mechanism

Technical Field

The utility model relates to a power module technical field specifically is an integrated steering mechanism's round limit power module.

Background

In recent years, new energy vehicles are popularized in a comprehensive mode, and according to incomplete statistics, over 12 countries and 25 regions in the world have announced or made a fuel vehicle sale prohibition schedule successively. For the two aspects of energy utilization and environmental protection enhancement, the implementation of automobile electromotion is a necessary road, at present, before battery technology has no major breakthrough, in a limited space, only batteries can be added, the weight of a vehicle body can be reduced, and the driving efficiency can be improved by driving a motor in order to increase endurance, wherein the power of the electric automobile mainly comprises a Chinese-style motor, a hub motor and a wheel-side motor, wherein the centralized motor is most mature and widely applied, and the basic principle is that the motor replaces an original engine and only adopts mechanical differential speed and mechanical steering; the heat dissipation, protection and strength of the hub motor are difficult to solve at present, and the hub motor is mainly applied to low-speed unmanned vehicles at present and adopts electronic differential steering; the wheel edge motor is mainly applied to the bus at present, and compared with a centralized motor, the wheel edge motor has the advantages of reducing a transmission mechanism, and compared with a hub motor, the wheel edge motor can solve the problems of heat dissipation, protection and heat dissipation, can save space and place more batteries, and adopts electronic differential and mechanical steering more times.

At present, most wheels on the market adopt a centralized motor or a wheel-side motor, but the steering structure of the vehicles is complex in design, and the steering of the vehicles is not flexible enough and the steering is lack of convenience due to the complex design of the existing steering structure, so that a wheel-side power module integrated with a steering mechanism is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrated steering mechanism's wheel limit power module to solve the wheel on the present market that proposes in the above-mentioned background art and adopt centralized motor or wheel limit formula motor mostly, but these vehicles turn to structural design complicacy, because current turn to structural design is more complicated, lead to turning to of vehicle not nimble enough, turn to the problem that lacks the convenience.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an integrated steering mechanism's wheel limit power module, includes electron differential steering mechanism, servo control steering mechanism and linkage damper, one side of electron differential steering mechanism is provided with servo control steering mechanism, and the upper and lower both sides distribution of electron differential steering mechanism has linkage damper, electron differential steering mechanism includes mount, axial driving motor assembly, transmission assembly, brake assembly and tire assembly, and one side of mount is provided with axial driving motor assembly, the one end of axial driving motor assembly is connected with the transmission assembly, and one side of transmission assembly is provided with the brake assembly, the one end-to-end connection of transmission assembly has the tire assembly.

Furthermore, the transmission assembly is movably connected with the axial driving motor assembly and the tire assembly, and the axial driving motor assembly, the transmission assembly and the fixing frame are connected.

Further, servo control steering mechanism includes fixed block, ball screw motor, lead screw and coupling assembling, and one side of fixed block is provided with the ball screw motor, the internal connection of ball screw motor has the lead screw, and the one end of lead screw is provided with coupling assembling.

Furthermore, the connecting assembly is connected with the electronic differential steering mechanism and the screw rod, and the ball screw motor is movably connected with the screw rod.

Further, linkage damper includes swing arm, lower swing arm, swing arm link assembly, shock attenuation assembly and shock attenuation link assembly, and the below of going up the swing arm is provided with down the swing arm, the one side of going up swing arm, lower swing arm is connected with swing arm link assembly, and the right side of going up swing arm, lower swing arm is provided with the shock attenuation assembly, the one end of shock attenuation assembly is provided with shock attenuation link assembly.

Furthermore, the upper swing arm, the lower swing arm and the swing arm connecting rod assembly are movably connected, and the upper swing arm, the lower swing arm, the damping assembly and the electronic differential steering mechanism are connected.

Compared with the prior art, the beneficial effects of the utility model are that: the wheel-side power module of the integrated steering mechanism concentrates the steering assembly on the wheel-side die, each wheel-side module has independent steering capacity, saves a mechanical steering mechanism and a mechanical transmission mechanism compared with the traditional centralized motor, solves the problems of protection and heat dissipation and saves the mechanical steering mechanism compared with the traditional hub motor, saves the mechanical steering mechanism compared with the traditional wheel-side motor, utilizes the advantages of an axial magnetic field driving motor and planetary speed reduction and flattening to be matched with the highly integrated steering assembly to form the wheel-side power module without mechanical steering, enables the power module to be flattened and miniaturized as a whole and has the characteristic of free combination, is particularly suitable for electric automobiles with harsh requirements on volume, weight and cost, enables the whole power module to be smaller in size and lighter in weight under the condition of multi-directional optimization and holding, and can save more space and weight for the electric automobiles, the automobile can be provided with more batteries to increase endurance, meanwhile, under different working conditions, the combined action of the automobile master control, the electronic differential and the steering assembly enables each power module to realize power distribution optimization, energy and electricity are further saved, and because no intermediate transmission mechanism and no steering mechanism are arranged, the wheel edge modules can be freely combined, two-wheel drive, four-wheel drive, six-wheel drive or more wheels can be formed by the same wheel edge module and applied to different automobile models, and the production cost can be reduced through modular production.

When the module is used, the transmission assembly is a pivot connected with the axial driving motor assembly and the tire assembly and is designed into a universal connection structure, power can still be transmitted from the axial driving motor assembly to the tire assembly when the tire assembly swings up and down and left and right without influencing the regulation swing under normal use, the axial driving motor assembly consists of a planetary reducer and an axial magnetic field motor, the axial driving motor assembly is fixed on a fixed frame and serves as a power source of the whole power module, in the running and using process of the module, the brake assembly consists of a brake disc and a brake caliper, the brake disc is fixed on the tire assembly to rotate along with a wheel, the brake caliper is fixed on an upper swing arm and can swing up and down along with the upper swing arm, and the brake assembly is matched to play a brake braking role.

The whole servo control steering assembly consists of a ball screw motor and a fixed block, wherein the ball screw motor is fixed on the fixed block, and the fixed block is connected with the upper swing arm to follow up, so that the steering of the whole module can swing up and down along with the upper swing arm; the ball screw motor is provided with a screw rod which can stretch out and draw back through servo control, and the screw rod is connected with the tire assembly through the connecting component, so that the tire assembly can realize different steering angles inwards and outwards.

The upper swing arm assembly and the lower swing arm assembly are both composed of swing arm connecting rod assemblies and are fixedly installed on a fixing frame, the tire assembly is supported and fixed by the upper swing arm assembly and the lower swing arm assembly, swing in the vertical and horizontal directions can be achieved, the tire assembly is the power output end, the damping assembly is composed of a damper and a damping connecting rod assembly, the damper is installed on the fixing frame, the damping connecting rod assembly is connected with the lower swing arm, when the tire assembly is in contact with the ground, the damper is compressed proportionally due to different stress sizes, the damping effect is achieved, and the swing arm is matched to conduct the up-and-down floating linkage damping process.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the basic turning principle of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of the servo-controlled steering mechanism of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the linkage damping mechanism of the present invention.

In the figure: 1. an electronic differential steering mechanism; 101. a fixed mount; 102. an axial drive motor assembly; 103. a transmission assembly; 104. a brake assembly; 105. a tire assembly; 2. a servo-controlled steering mechanism; 201. a fixed block; 202. a ball screw motor; 203. a screw rod; 204. a connecting assembly; 3. a linkage damping mechanism; 301. an upper swing arm; 302. a lower swing arm; 303. a swing arm link assembly; 304. a shock absorbing assembly; 305. shock attenuation link assembly.

Detailed Description

As shown in fig. 1-2, a wheel-side power module of an integrated steering mechanism comprises: an electronic differential steering mechanism 1; one side of the electronic differential steering mechanism 1 is provided with a servo control steering mechanism 2, the upper side and the lower side of the electronic differential steering mechanism 1 are distributed with linkage damping mechanisms 3, the electronic differential steering mechanism 1 comprises a fixed frame 101, an axial driving motor assembly 102, a transmission assembly 103, a brake assembly 104 and a tire assembly 105, one side of the fixed frame 101 is provided with the axial driving motor assembly 102, one end of the axial driving motor assembly 102 is connected with the transmission assembly 103, one side of the transmission assembly 103 is provided with the brake assembly 104, one end of the transmission assembly 103 is connected with the tire assembly 105, the transmission assembly 103 is movably connected with the axial driving motor assembly 102 and the tire assembly 105, and the axial driving motor assembly 102, the transmission assembly 103 and the fixed frame 101 are connected, when the module is used, the transmission assembly 103 is a pivot for connecting the axial driving motor assembly 102 and the tire assembly 105, the design is a universal connection structure, when the tire assembly 105 swings up and down and left and right, power can still be transmitted from the axial driving motor assembly 102 to the tire assembly 105 without affecting the adjustment swing under normal use, the axial driving motor assembly 102 consists of a planetary reducer and an axial magnetic field motor, the axial driving motor assembly 102 is fixed on the fixing frame 101 and serves as a power source of the whole power module, in the running and use process of the module, the brake assembly 104 consists of a brake disc and a brake caliper, the brake disc is fixed on the tire assembly 105 and rotates with a wheel, the brake caliper is fixed on the upper swing arm 301 and can swing up and down with the upper swing arm 301 to cooperate with the brake assembly to play a brake braking role.

As shown in fig. 3, a wheel-side power module of an integrated steering mechanism, a servo-controlled steering mechanism 2 includes a fixed block 201, a ball screw motor 202, a screw 203 and a connecting assembly 204, and one side of the fixed block 201 is provided with the ball screw motor 202, the ball screw motor 202 is internally connected with the screw 203, one end of the screw 203 is provided with the connecting assembly 204, the connecting assembly 204 is connected with the electronic differential steering mechanism 1 and the screw 203, and the ball screw motor 202 is movably connected with the screw 203, the whole servo-controlled steering assembly is composed of the ball screw motor 202 and the fixed block 201, the ball screw motor 202 is fixed on the fixed block 201, the fixed block 201 is connected with an upper swing arm 301 for following, so that the whole module can swing up and down along with the upper swing arm 301; the ball screw motor 202 has a screw 203 for extending and retracting through servo control, and the screw 203 is connected with the tire assembly 105 through a connecting component 204, so that the tire assembly 105 can realize different inward and outward steering angles.

As shown in FIG. 4, a wheel rim power module of an integrated steering mechanism, a linkage damping mechanism 3 comprises an upper swing arm 301, a lower swing arm 302, a swing arm connecting rod assembly 303, a damping assembly 304 and a damping connecting rod assembly 305, a lower swing arm 302 is arranged below the upper swing arm 301, one side of the upper swing arm 301 and one side of the lower swing arm 302 are connected with the swing arm connecting rod assembly 303, the damping assembly 304 is arranged on the right side of the upper swing arm 301 and the lower swing arm 302, one end of the damping assembly 304 is provided with the damping connecting rod assembly 305, the upper swing arm 301, the lower swing arm 302 and the swing arm connecting rod assembly 303 are movably connected, the upper swing arm 301, the lower swing arm 302 and the damping assembly 304 are connected with an electronic differential steering mechanism 1, the upper swing arm 301 assembly and the lower swing arm 302 assembly are both composed of the swing arm connecting rod assembly 303 and are mounted and fixed on a fixed frame 101, a tire assembly 105 is supported and fixed by the upper swing arm 301 assembly and the lower swing arm 302 assembly, the swing in the up-down and left-right directions can be realized, the tire assembly 105 is the power output end, the damping assembly 304 is composed of a damper and a damping connecting rod assembly 305, the damper is installed on the fixing frame 101, the damping connecting rod assembly 305 is connected with the lower swing arm 302, when the tire assembly 105 is in contact with the ground, the damper is compressed proportionally due to different stress sizes, the damping effect is achieved, and the swing arm is matched for the up-down floating linkage damping process.

In summary, when the wheel-side power module of the integrated steering mechanism is used, firstly, in the use of the module, the transmission assembly 103 is a pivot connecting the axial driving motor assembly 102 and the tire assembly 105, and is designed to be a universal connection structure, when the tire assembly 105 swings up and down and left and right, power can still be transmitted from the axial driving motor assembly 102 to the tire assembly 105 without affecting the adjustment swing under normal use, and the axial driving motor assembly 102 is composed of a planetary reducer and an axial magnetic field motor, the axial driving motor assembly 102 is fixed on the fixing frame 101 as a power source of the whole power module, during the running use of the module, the brake assembly 104 is composed of a brake disc and a brake caliper, the brake disc is fixed on the tire assembly 105 to rotate with the wheel, and the brake caliper is fixed on the upper swing arm 301 to swing up and down with the upper swing arm 301 to cooperate with the brake assembly to play a brake role, the whole servo control steering assembly consists of a ball screw motor 202 and a fixed block 201, the ball screw motor 202 is fixed on the fixed block 201, and the fixed block 201 is connected with an upper swing arm 301 to follow up, so that the steering of the whole module can swing up and down along with the upper swing arm 301; the ball screw motor 202 is provided with a screw rod 203 which is telescopic through servo control, the screw rod 203 is connected with the tire assembly 105 through a connecting component 204, so that the tire assembly 105 can realize different steering angles inwards and outwards, an upper swing arm 301 assembly and a lower swing arm 302 assembly are both composed of a swing arm connecting rod component 303 and are fixedly arranged on the fixed frame 101, the tire assembly 105 is supported and fixed by the upper swing arm 301 assembly and the lower swing arm 302 assembly, the swinging in the up-down and left-right directions can be realized, the tire assembly 105 is a power output tail end, a damping assembly 304 is composed of a damper and a damping connecting rod component 305, the damper is arranged on the fixed frame 101, the damping connecting rod component 305 is connected with the lower swing arm 302, when the tire assembly 105 is contacted with the ground, the damper is compressed proportionally due to different stress sizes, the damping effect is achieved, and the up-down floating linkage damping process is carried out by matching with the swing arm, the wheel-side power module without mechanical steering is formed by matching the advantages of the axial magnetic field driving motor and the planetary speed reduction flattening with the highly integrated steering assembly, so that the power module is flat and miniaturized as a whole and has the characteristic of free combination, and is particularly suitable for electric automobiles with strict requirements on volume, weight and cost.

Claims

1. The utility model provides an integrated steering mechanism's wheel limit power module, includes electron differential steering mechanism (1), servo control steering mechanism (2) and linkage damper (3), its characterized in that: one side of electron differential steering mechanism (1) is provided with servo control steering mechanism (2), and the upper and lower both sides distribution of electron differential steering mechanism (1) has linkage damper (3), electron differential steering mechanism (1) is including mount (101), axial driving motor assembly (102), transmission assembly (103), brake assembly (104) and tire assembly (105), and one side of mount (101) is provided with axial driving motor assembly (102), the one end of axial driving motor assembly (102) is connected with transmission assembly (103), and one side of transmission assembly (103) is provided with brake assembly (104), the one end of transmission assembly (103) is connected with tire assembly (105).

2. The wheel-side power module of an integrated steering mechanism of claim 1, wherein: the transmission assembly (103) is movably connected with the axial driving motor assembly (102) and the tire assembly (105), and the axial driving motor assembly (102), the transmission assembly (103) and the fixed frame (101) are connected.

3. The wheel-side power module of an integrated steering mechanism of claim 1, wherein: the servo control steering mechanism (2) comprises a fixing block (201), a ball screw motor (202), a screw rod (203) and a connecting assembly (204), wherein the ball screw motor (202) is arranged on one side of the fixing block (201), the ball screw motor (202) is connected with the screw rod (203) in the inside, and the connecting assembly (204) is arranged at one end of the screw rod (203).

4. The wheel-side power module of an integrated steering mechanism of claim 3, wherein: the connecting assembly (204) is connected with the electronic differential steering mechanism (1) and the screw rod (203), and the ball screw motor (202) is movably connected with the screw rod (203).

5. The wheel-side power module of an integrated steering mechanism of claim 1, wherein: linkage damper (3) are including last swing arm (301), lower swing arm (302), swing arm link assembly (303), shock attenuation assembly (304) and shock attenuation link assembly (305), and the below of going up swing arm (301) is provided with lower swing arm (302), the one side of going up swing arm (301), lower swing arm (302) is connected with swing arm link assembly (303), and the right side of going up swing arm (301), lower swing arm (302) is provided with shock attenuation assembly (304), the one end of shock attenuation assembly (304) is provided with shock attenuation link assembly (305).

6. The wheel-side power module of an integrated steering mechanism of claim 5, wherein: the upper swing arm (301), the lower swing arm (302) and the swing arm connecting rod assembly (303) are movably connected, and the upper swing arm (301), the lower swing arm (302), the damping assembly (304) and the electronic differential steering mechanism (1) are connected.