CN217435408U

CN217435408U - Integrated steering driving wheel edge mechanism

Info

Publication number: CN217435408U
Application number: CN202221468889.2U
Authority: CN
Inventors: 安向京; 王雪磊; 党永刚; 冷昌槐
Original assignee: Changsha Xingshen Intelligent Technology Co Ltd
Current assignee: Changsha Xingshen Intelligent Technology Co Ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-09-16
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses an integrated form turns to driving wheel limit mechanism, including wheel hub ring flange, brake disc and braking calliper, still include first U type arm, second U type arm and steering arm, first U type arm with second U type arm mid-mounting corresponds articulatedly through the articulated shaft respectively in both ends about just on the drive semi-axis, the wheel hub ring flange the brake disc with first U type arm is located same one side of the epaxial universal joint of drive semi-axis, second U type arm is located the opposite side of universal joint, braking calliper with the steering arm install in on the first U type arm. The utility model has the advantages of compact structure, the spatial layout of being convenient for improves assembly efficiency.

Description

Integrated steering driving wheel edge mechanism

Technical Field

The utility model relates to a new forms of energy vehicle especially relates to an integrated form steering drive wheel limit mechanism.

Background

With the vigorous development of new energy vehicles in China, the electric vehicle occupies an important position in the market due to the characteristics of high efficiency, low cost, less pollution and the like, and the electric drive axle has rapid application and technical development for core parts of the electric vehicle.

Most of the existing electric vehicles in the market are driven by a rear integral axle of a front independent suspension, and the products of the front axle adopting the bearing type integral steering are fewer. The front axle is generally used as a steering axle, wheels at two ends of the front axle deflect by a certain angle by utilizing a steering engine assembly on an axle, so that the steering of a vehicle is realized, the steering axle structure of various vehicle types is basically the same, the front axle mainly comprises an electric drive mechanism, a drive half shaft and a wheel edge mechanism, the electric drive mechanism is connected to the wheel edge mechanism through the drive half shaft to finish power output, the steering function of the wheel edge mechanism needs to be provided with a plurality of connecting rods, control arms and the like, the whole structure is complex, the assembly difficulty is high, the efficiency is low, and the spatial layout is also limited.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a compact structure, the spatial layout of being convenient for is favorable to improving assembly efficiency's integrated form steering drive wheel limit mechanism.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an integrated form turns to driving wheel limit mechanism, includes wheel hub ring flange, brake disc and braking calliper, still includes first U type arm, second U type arm and steering arm, first U type arm with second U type arm mid-mounting corresponds articulatedly on the drive semi-axis and through the articulated shaft respectively in both ends from top to bottom, the wheel hub ring flange the brake disc with first U type arm is located same one side of the universal joint on the drive semi-axis, second U type arm is located the opposite side of universal joint, braking calliper with steering arm install in on the first U type arm.

As a further improvement of the above technical solution: the steering arm is installed at the upper end of the first U-shaped arm, an articulated shaft at the upper end of the steering arm and the steering arm are of an integrated structure, a sealing plate is further arranged at the lower end of the first U-shaped arm, and an articulated shaft at the lower end of the first U-shaped arm and the sealing plate are of an integrated structure.

As a further improvement of the above technical solution: and a rolling bearing is arranged between the first U-shaped arm and the driving half shaft, and a rolling bearing is arranged between the second U-shaped arm and the driving half shaft.

As a further improvement of the above technical solution: the first U-shaped arm is provided with a wheel speed sensor, and the driving half shaft is provided with a gear ring matched with the wheel speed sensor.

As a further improvement of the above technical solution: be equipped with detachable installing support on the first U type arm, wheel speed sensor locates on the installing support.

As a further improvement of the above technical solution: the gear ring is detachably mounted on the driving half shaft.

As a further improvement of the above technical solution: first U type arm middle part one side is equipped with first installation department, brake caliper locates on the first installation department, first U type arm middle part opposite side is equipped with the second installation department, the installing support is located on the second installation department.

As a further improvement of the above technical solution: the hub flange plate is connected with the driving half shaft through a spline.

Compared with the prior art, the utility model has the advantages of: the utility model discloses an integrated form turns to driving wheel limit mechanism, install first U type arm and second U type arm on the drive semi-axis, first U type arm and second U type arm opening are relative and both ends correspond articulated about and, install brake caliper and turn to the arm simultaneously on first U type arm, can drive through the steering engine assembly and turn to the arm rotation, turn to the arm and then drive first U type arm and rotate around the articulated shaft, brake disc and the whole rotation along with first U type arm of wheel hub ring flange, the realization turns to the function, overall structure is simple, compact, the spatial layout of being convenient for, also be favorable to improving assembly efficiency, and the cost is saved.

Drawings

Fig. 1 is the structural schematic diagram of the integrated steering driving wheel side mechanism of the present invention installed on the axle.

Fig. 2 is an enlarged view of the integrated steering driving wheel side mechanism of the present invention.

Fig. 3 is an exploded view of the integrated steering driving wheel side mechanism of the present invention.

The reference numerals in the figures denote: 1. a brake caliper; 2. a drive half shaft; 21. a universal joint; 3. a hub flange; 4. a brake disc; 5. a first U-shaped arm; 6. a second U-shaped arm; 7. a steering arm; 8. closing the plate; 9. a rolling bearing; 10. a wheel speed sensor; 11. a ring gear; 12. mounting a bracket; 13. a first mounting portion; 14. a second mounting portion; 15. hinging shafts; 16. and locking the nut.

Detailed Description

The invention is described in further detail below with reference to the drawings and specific examples.

Fig. 1 to 3 show an embodiment of the present invention, the integrated steering driving wheel side mechanism of this embodiment includes a wheel hub flange 3 (the wheel hub of the wheel is mounted on the wheel hub flange 3, and the wheel is synchronously moved with the wheel hub flange 3), a brake disc 4 and a brake caliper 1, and further includes a first U-shaped arm 5, a second U-shaped arm 6 and a steering arm 7, the first U-shaped arm 5 and the second U-shaped arm 6 are mounted on the driving half shaft 2 at the middle portion, and the upper and lower ends are correspondingly hinged through a hinge shaft 15 respectively (i.e. the upper end of the first U-shaped arm 5 is hinged through the hinge shaft 15 to the upper end of the second U-shaped arm 6, the lower end of the first U-shaped arm 5 is hinged through the hinge shaft 15 to the lower end of the second U-shaped arm 6), the wheel hub flange 3, the brake disc 4 and the first U-shaped arm 5 are located on the same side of a universal joint 21 on the driving half shaft 2, the second U-shaped arm 6 is located on the other side of the universal joint 21, the brake caliper 1 and the steering arm 7 are mounted on the first U-shaped arm 5.

This integrated form turns to driving wheel limit mechanism, install first U type arm 5 and second U type arm 6 on drive semi-axis 2, first U type arm 5 and the relative and upper and lower both ends of second U type arm 6 opening are corresponding articulated, install braking calliper 1 and turn to arm 7 on first U type arm 5 simultaneously, can drive through the steering engine assembly (not shown in the figure) and turn to arm 7 and rotate, turn to arm 7 and then drive first U type arm 5 and rotate around articulated shaft 15, brake disc 4 and wheel hub ring flange 3 are whole to rotate along with first U type arm 5, the realization turns to the function, overall structure is simple, and is compact, the spatial layout of being convenient for, also be favorable to improving assembly efficiency, and the cost is saved. Wherein, brake caliper 1, steering arm 7 are preferably realized through threaded fastener and are fixed in the installation on first U type arm 5, good reliability, easy dismounting.

Further, in this embodiment, the steering arm 7 is installed on the upper end of the first U-shaped arm 5, the hinge shaft 15 at the upper end and the steering arm 7 are integrated, and the hinge shaft 15 at the upper end can be axially limited, the lower end of the first U-shaped arm 5 is further provided with a sealing plate 8, the hinge shaft 15 at the lower end and the sealing plate 8 are integrated, and the hinge shaft 15 at the lower end can be axially limited. The adoption of an integrated structure is favorable for ensuring the connection strength, reduces the number of parts and is convenient to transfer. When the steering arm 7 rotates, the hinge shaft 15 at the upper end rotates synchronously with the steering arm 7, and the hinge shaft 15 at the lower end rotates synchronously under the driving of the first U-shaped arm 5 and the sealing plate 8. Preferably, shrouding 8 also realizes through threaded fastener that the installation on first U type arm 5 is fixed, good reliability, easy dismounting.

In a preferred embodiment, a rolling bearing 9 is arranged between the first U-shaped arm 5 and the drive axle 2, and a rolling bearing 9 is arranged between the second U-shaped arm 6 and the drive axle 2. By providing the rolling bearing 9, the first U-shaped arm 5 and the second U-shaped arm 6 can be prevented from interfering with the rotational movement of the drive axle shaft 2.

Further, in the present embodiment, a wheel speed sensor 10 is disposed on the first U-shaped arm 5, and a gear ring 11 engaged with the wheel speed sensor 10 is disposed on the driving axle shaft 2. Wheel limit mechanism has integrateed fast sensor 10 of wheel and ring gear 11, through the cooperation of ring gear 11 and the fast sensor 10 of wheel, can accomplish fast signal acquisition of wheel, and then the speed of real-time supervision vehicle.

Furthermore, in this embodiment, a detachable mounting bracket 12 is disposed on the first U-shaped arm 5 (preferably, the mounting bracket 12 is mounted on the first U-shaped arm 5 by a threaded fastener, which is reliable and convenient to detach), and the wheel speed sensor 10 is disposed on the mounting bracket 12. The mounting bracket 12 can be detached and replaced independently so as to adapt to the mounting size requirements of different wheel speed sensors 10, and the universality and the compatibility are good.

Further, in the present embodiment, gear ring 11 is removably mounted to drive axle shaft 2 (e.g., gear ring 11 is coupled to drive axle shaft 2 via a drive linkage such that gear ring 11 may both rotate with drive axle shaft 2 and move axially along drive axle shaft 2 for removal and installation). The ring gear 11 can be dismantled and changed to match the fast sensor 10 of different kinds of wheel and realize fast signal acquisition, satisfy whole car requirement, flexibility and commonality are good.

In a preferred embodiment, a first mounting portion 13 is disposed on one side of the middle portion of the first U-shaped arm 5, the brake caliper 1 is disposed on the first mounting portion 13, a second mounting portion 14 is disposed on the other side of the middle portion of the first U-shaped arm 5, and the mounting bracket 12 is disposed on the second mounting portion 14. Brake caliper 1 and installing support 12, the fast sensor 10 branch of wheel locate the both sides at first U type arm 5 middle part, can the rational utilization space, and the overall arrangement is more convenient.

In a preferred embodiment, the hub flange 3 and the drive axle shaft 2 are connected through splines and are locked and fixed through the lock nut 16, so that torque can be reliably transmitted and the hub flange 3 can be conveniently detached.

The utility model discloses integrated form turns to driving wheel limit mechanism's theory of operation as follows:

when the vehicle runs in a straight line, the power system drives the brake disc 4, the hub flange 3 and the wheel arranged on the hub flange 3 to rotate around the axis of the power system through the driving half shaft 2, and the first U-shaped arm 5 and the second U-shaped arm 6 are kept still due to the arrangement of the rolling bearing 9;

when steering is needed, the steering engine assembly drives the steering arm 7 to rotate, the steering arm 7 further drives the first U-shaped arm 5 to rotate around the hinge shaft 15, and the brake disc 4, the hub flange 3 and the wheel mounted on the hub flange 3 integrally rotate along with the first U-shaped arm 5, so that a steering function is realized;

when braking is required, the brake caliper 1 grips the brake disc 4 to generate frictional resistance, so that the rotation speed of the brake disc 4 and the drive half shaft 2 is reduced or stopped.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an integrated form turns to driving wheel limit mechanism, includes wheel hub ring flange (3), brake disc (4) and brake caliper (1), its characterized in that: still include first U type arm (5), second U type arm (6) and steering arm (7), first U type arm (5) with second U type arm (6) mid-mounting is on drive semi-axis (2) and upper and lower both ends correspond through articulated shaft (15) respectively and are articulated, wheel hub ring flange (3) brake disc (4) with first U type arm (5) are located same one side of universal joint (21) on drive semi-axis (2), second U type arm (6) are located the opposite side of universal joint (21), brake calliper (1) with steering arm (7) install in on first U type arm (5).

2. The integrated steer-drive wheel edge mechanism according to claim 1, wherein: the steering arm (7) is installed at the upper end of the first U-shaped arm (5), an articulated shaft (15) at the upper end of the steering arm (7) is of an integrated structure, a sealing plate (8) is further arranged at the lower end of the first U-shaped arm (5), and the articulated shaft (15) at the lower end of the first U-shaped arm is of an integrated structure with the sealing plate (8).

3. The integrated steer-drive wheel edge mechanism according to claim 1, wherein: and a rolling bearing (9) is arranged between the first U-shaped arm (5) and the driving half shaft (2), and a rolling bearing (9) is arranged between the second U-shaped arm (6) and the driving half shaft (2).

4. The integrated steer-drive hub mechanism according to any one of claims 1 to 3, wherein: be equipped with wheel speed sensor (10) on first U type arm (5), be equipped with on drive semi-axis (2) with wheel speed sensor (10) complex ring gear (11).

5. The integrated steer-drive hub mechanism according to claim 4, wherein: be equipped with detachable installing support (12) on first U type arm (5), wheel speed sensor (10) are located on installing support (12).

6. The integrated steer-drive hub mechanism according to claim 5, wherein: the gear ring (11) is detachably mounted on the driving half shaft (2).

7. The integrated steer-drive hub mechanism according to claim 5, wherein: first U type arm (5) middle part one side is equipped with first installation department (13), brake caliper (1) is located on first installation department (13), first U type arm (5) middle part opposite side is equipped with second installation department (14), installing support (12) are located on second installation department (14).

8. The integrated steer-drive hub mechanism according to any one of claims 1 to 3, wherein: the hub flange plate (3) is connected with the driving half shaft (2) through a spline.