CN220374488U - Front axle assembly of vehicle and vehicle - Google Patents

Abstract

The utility model discloses a front axle assembly of a vehicle and the vehicle, wherein the front axle assembly of the vehicle comprises a hub motor, a brake disc, a brake caliper and a driving assembly, the hub motor is arranged on a wheel, and the hub motor comprises a rotor and a stator; the brake disc is arranged on the rotor; the brake caliper comprises a first brake caliper and a second brake caliper, the first brake caliper and the second brake caliper are fixedly connected with the stator, and the first brake caliper and the second brake caliper are spaced apart along the circumferential direction of the brake disc; the driving assembly is in transmission connection with the first brake caliper and the second brake caliper so as to synchronously drive the first brake caliper and the second brake caliper to brake the brake disc. According to the front axle assembly of the vehicle, the driving assembly synchronously drives the first brake caliper and the second brake caliper to brake the brake disc, so that enough braking force can be provided, the braking effect of the brake caliper is better, the front axle assembly of the vehicle can be further applied to a vehicle model with larger bearing capacity, and the market application prospect and the application range of the front axle assembly of the vehicle are expanded.

Description

Front axle assembly of vehicle and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a front axle assembly of a vehicle and the vehicle.

Background

In the related art, a hub motor is a novel technology for integrating a power system, a transmission system and a braking system on a hub, and by the high integration technology, the arrangement space can be effectively increased. However, due to the fact that the structure of the hub motor is limited, the size of a brake disc is limited, a single brake caliper is adopted for braking, and the provided braking force is insufficient and is not suitable for heavy-duty vehicle types.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a front axle assembly of a vehicle, in which a brake caliper is set to be a first brake caliper and a second brake caliper, and the first brake caliper and the second brake caliper brake a brake disc synchronously, so that a braking effect of the brake caliper is better, and the front axle assembly of the vehicle can be applied to a vehicle model with larger load, and a market application prospect and an application range of the front axle assembly of the vehicle are expanded.

The utility model further provides a vehicle with the front axle assembly of the vehicle.

A front axle assembly for a vehicle according to an embodiment of a first aspect of the utility model includes: the wheel hub motor is mounted on a wheel and comprises a rotor and a stator; the brake disc is arranged on the rotor; the brake caliper comprises a first brake caliper and a second brake caliper, the first brake caliper and the second brake caliper are fixedly connected with the stator, and the first brake caliper and the second brake caliper are spaced apart along the circumferential direction of the brake disc; the driving assembly is in transmission connection with the first brake caliper and the second brake caliper so as to synchronously drive the first brake caliper and the second brake caliper to brake the brake disc.

According to the front axle assembly of the vehicle, the brake calipers are arranged to be the first brake calipers and the second brake calipers, the driving assembly synchronously drives the first brake calipers and the second brake calipers to brake the brake disc, and the first brake calipers and the second brake calipers can provide enough braking force, so that the braking effect of the brake calipers is better, the front axle assembly of the vehicle can be further applied to a vehicle model with larger bearing capacity, and the market application prospect and the application range of the front axle assembly of the vehicle are expanded.

According to some embodiments of the utility model, the brake caliper comprises a friction plate, a hydraulic cylinder and a piston, wherein the piston is arranged in the hydraulic cylinder, the friction plate is in transmission connection with the piston, the driving assembly comprises a hydraulic pump and a hydraulic tube group, the hydraulic tube group comprises a hydraulic main pipe, a first hydraulic branch pipe, a second hydraulic branch pipe and a three-way joint, a liquid inlet of the hydraulic main pipe is communicated with the hydraulic pump, a liquid outlet of the hydraulic main pipe, a liquid inlet of the first hydraulic branch pipe and a liquid inlet of the second hydraulic branch pipe are communicated with the three-way joint, a liquid outlet of the first hydraulic branch pipe is communicated with the first brake caliper, and a liquid outlet of the second hydraulic branch pipe is communicated with the second brake caliper.

According to some embodiments of the utility model, the front axle assembly of the vehicle further comprises a knuckle mounted on the stator, the three-way joint being mounted on the knuckle.

According to some embodiments of the utility model, the first brake caliper and the second brake caliper are each mounted on the knuckle.

According to some embodiments of the utility model, the front axle assembly of the vehicle further comprises an upper swing arm and a lower swing arm, wherein one end of the upper swing arm and one end of the lower swing arm are connected to the knuckle through ball pins, and the other end of the upper swing arm and the other end of the lower swing arm are connected to the frame.

According to some embodiments of the utility model, the front axle assembly of the vehicle further comprises: the gesture adjusting bracket is fixedly connected with the lower swing arm and is provided with an assembly groove; the upper end of the air spring is connected to the frame, and the lower end of the air spring is installed in the assembly groove.

According to some embodiments of the utility model, the posture adjustment bracket comprises: the body part is provided with an assembling groove with an upward opening, and the first leg part and the second leg part are respectively connected to two sides of the lower swing arm.

According to some embodiments of the utility model, the front axle assembly of the vehicle further comprises: stabilizer bar and stabilizer bar pull rod, the stabilizer bar pull rod is provided with two, two the one end of stabilizer bar pull rod is connected respectively the stabilizer bar both ends, two the other end of stabilizer bar pull rod links to each other with two swing arms down respectively.

According to some embodiments of the utility model, the hydraulic main is a hose, and the first hydraulic branch and the second hydraulic branch are both hard pipes.

A vehicle according to an embodiment of the second aspect of the present utility model includes a front axle assembly of a vehicle according to the embodiment of the first aspect of the present utility model described above.

According to the vehicle provided by the embodiment of the utility model, the front axle assembly of the vehicle is arranged, so that the braking effect of the brake caliper is better, the front axle assembly of the vehicle can be further applied to a vehicle model with larger bearing capacity, and the market application prospect and the application range of the front axle assembly of the vehicle are expanded.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an angular schematic view of a front axle assembly of a vehicle according to some embodiments of the utility model;

FIG. 2 is another angular schematic view of a front axle assembly of a vehicle according to some embodiments of the utility model;

FIG. 3 is a top view of a front axle assembly of a vehicle according to some embodiments of the utility model;

FIG. 4 is a partial schematic view of the front axle assembly of the vehicle shown in FIG. 1;

FIG. 5 is a side view of the front axle assembly of the vehicle shown in FIG. 1;

FIG. 6 is a schematic illustration of a posture adjustment bracket according to some embodiments of the present utility model;

fig. 7 is a cross-sectional view taken along line A-A in fig. 6.

Reference numerals:

100. a front axle assembly of the vehicle;

11. a hub motor; 12. a brake disc; 13. a knuckle; 14. an upper swing arm; 15. a lower swing arm; 151. a protrusion; 16. an air spring; 17. a stabilizer bar; 18. a stabilizer bar pull rod; 19. a diverter;

20. a brake caliper; 21. a first brake caliper; 22. a second brake caliper;

30. a hydraulic tube group; 31. a hydraulic main pipe; 32. a first hydraulic branch pipe; 33. a second hydraulic branch pipe; 34. a three-way joint;

40. a posture adjustment bracket; 41. a main body portion; 411. an assembly groove; 412. bolt holes; 42. a first leg portion; 43. and a second leg portion.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A front axle assembly 100 of a vehicle according to an embodiment of the present utility model is described below with reference to fig. 1-7.

Referring to fig. 1 to 5, a front axle assembly 100 of a vehicle includes a hub motor 11, a brake disc 12, a brake caliper 20 and a driving assembly, the hub motor 11 is mounted on a wheel, the hub motor 11 includes a rotor and a stator, the rotor is fixed to the wheel, the rotor is rotatable when the hub motor 11 is operated, and the wheel is driven to rotate when the rotor is rotated, i.e., the hub motor 11 is capable of driving the wheel to operate. The brake disc 12 is arranged on the rotor, the brake disc 12 and the rotor can be fixedly connected, and the rotor can drive the brake disc 12 to synchronously rotate when rotating. For example, the brake disc 12 may be a precision casting, and the brake disc 12 is fixed to the rotor of the in-wheel motor 11 by bolts.

The brake caliper 20 includes a first brake caliper 21 and a second brake caliper 22, both of the first brake caliper 21 and the second brake caliper 22 being fixedly connected to the stator, the first brake caliper 21 and the second brake caliper 22 being spaced apart along the circumference of the brake disc 12. When the in-wheel motor 11 is operated, the stator is fixed, and the positions of the first and second brake calipers 21 and 22 are fixed. The driving assembly is in transmission connection with the first brake caliper 21 and the second brake caliper 22 so as to synchronously drive the first brake caliper 21 and the second brake caliper 22 to brake the brake disc 12, so that the brake disc 12 can stop rotating, and the brake disc 12 can drive wheels to stop rotating, namely, the vehicle can brake. The first brake caliper 21 and the second brake caliper 22 are adopted to synchronously brake the brake disc 12, and the first brake caliper 21 and the second brake caliper 22 can provide enough braking force, so that the braking effect of the brake caliper 20 is better, the front axle assembly 100 of the vehicle can be further applied to a vehicle model with larger load, and the market application prospect and the application range of the front axle assembly 100 of the vehicle are expanded.

When the vehicle needs to be braked, the hub motor 11 does not provide power any more, the wheels still rotate due to the inertia effect, the brake pedal of the vehicle can be stepped on, the driving assembly can synchronously drive the first brake caliper 21 and the second brake caliper 22 to brake the brake disc 12, the brake disc 12 can gradually stop rotating, meanwhile, the wheels can be driven to synchronously and gradually stop rotating, and when the brake disc 12 completely stops rotating, the wheels synchronously stop rotating, namely the vehicle is braked successfully.

According to the front axle assembly 100 of the vehicle in the embodiment of the utility model, the brake caliper 20 is arranged as the first brake caliper 21 and the second brake caliper 22, the driving assembly synchronously drives the first brake caliper 21 and the second brake caliper 22 to brake the brake disc 12, and the first brake caliper 21 and the second brake caliper 22 can provide enough braking force, so that the braking effect of the brake caliper 20 is better, and the front axle assembly 100 of the vehicle can be further applied to a vehicle model with larger bearing capacity, so that the market application prospect and the application range of the front axle assembly 100 of the vehicle are expanded.

According to some embodiments of the present utility model, referring to FIGS. 1-5, a brake caliper 20 includes a friction plate, a hydraulic cylinder, and a piston disposed within the hydraulic cylinder, the friction plate being in driving connection with the piston.

The driving assembly comprises a hydraulic pump and a hydraulic pipe group 30, the hydraulic pipe group 30 comprises a hydraulic main pipe 31, a first hydraulic branch pipe 32, a second hydraulic branch pipe 33 and a three-way joint 34, a liquid inlet of the hydraulic main pipe 31 is communicated with the hydraulic pump, a liquid outlet of the hydraulic main pipe 31, a liquid inlet of the first hydraulic branch pipe 32 and a liquid inlet of the second hydraulic branch pipe 33 are all communicated with the three-way joint 34, a liquid outlet of the first hydraulic branch pipe 32 is communicated with the first brake caliper 21, and a liquid outlet of the second hydraulic branch pipe 33 is communicated with the second brake caliper 22. Through the brake pipeline of designing the hydraulic pipe group 30 as an integral type, the design of the wheel-side complex pipeline brought by the first brake caliper 21 and the second brake caliper 22 is simplified, the arrangement space can be effectively increased, and great convenience is brought to the arrangement of the rest pipelines of the hub motor 11.

When a brake pedal of a vehicle is needed to be braked, the brake pedal of the vehicle can be stepped on, hydraulic fluid in the hydraulic pump can flow into the hydraulic main pipe 31, the hydraulic fluid flows into the three-way joint 34 from a liquid outlet of the hydraulic main pipe 31, the hydraulic fluid in the three-way joint 34 can flow into the first hydraulic branch pipe 32 through a liquid inlet of the first hydraulic branch pipe 32, and flows into a hydraulic cylinder of the first brake caliper 21 through a liquid outlet of the first hydraulic branch pipe 32; the hydraulic fluid in the three-way joint 34 can flow into the second hydraulic branch pipe 33 through the liquid inlet of the second hydraulic branch pipe 33, flow into the hydraulic cylinder of the second brake caliper 22 through the liquid outlet of the second hydraulic branch pipe 33, the hydraulic fluid in the first brake caliper 21 and the second brake caliper 22 can push the piston to move, the friction plate can be pushed to move when the piston moves, the friction plate can be contacted with the brake disc 12, and friction is generated between the friction plate and the brake disc, so that the brake disc 12 stops rotating, and a braking function is realized.

When stopping braking, the brake pedal of the vehicle can be released, the hydraulic fluid of the first brake caliper 21 can flow into the first hydraulic branch pipe 32 through the liquid outlet of the first hydraulic branch pipe 32 and flow into the three-way joint 34 through the liquid inlet of the first hydraulic branch pipe 32; the hydraulic fluid in the second brake caliper 22 can flow into the second hydraulic branch pipe 33 through the liquid outlet of the second hydraulic branch pipe 33, flow into the three-way joint 34 through the liquid inlet of the second hydraulic branch pipe 33, flow into the hydraulic main pipe 31 through the liquid outlet of the hydraulic main pipe 31, flow into the hydraulic pump through the hydraulic liquid in the hydraulic main pipe 31, and the pistons in the first brake caliper 21 and the second brake caliper 22 can move to drive the friction plates to move, so that the friction plates are not contacted with the brake disc 12 any more, and the braking functions of the first brake caliper 21 and the second brake caliper 22 can be stopped.

According to some embodiments of the present utility model, referring to fig. 1-5, the front axle assembly 100 of the vehicle further includes a knuckle 13, the knuckle 13 being mounted on the stator, for example, the knuckle 13 may be an aluminum casting, and the knuckle 13 may be bolted to the stator of the in-wheel motor 11. The three-way joint 34 is mounted on the knuckle 13, and for example, the three-way joint 34 may be fixed to the knuckle 13 by bolts. The knuckle 13 can provide a mounting location for the three-way joint 34, which can facilitate the mounting and fixing of the three-way joint 34.

According to some embodiments of the present utility model, referring to FIGS. 1-5, the first and second brake calipers 21, 22 are each mounted on the knuckle 13, and the knuckle 13 can provide mounting locations for the first and second brake calipers 21, 22 to facilitate mounting and securing of the first and second brake calipers 21, 22. For example, the first and second brake calipers 21, 22 may each include a brake caliper body and a brake caliper bracket, the brake caliper body being secured to the brake caliper bracket, the brake caliper bracket being bolted to the knuckle to secure the brake caliper body to the knuckle.

According to some embodiments of the present utility model, referring to fig. 1-4, the front axle assembly 100 of the vehicle further includes an upper swing arm 14 and a lower swing arm 15, the upper swing arm 14 being located above the lower swing arm 15 in the up-down direction. One end of the upper swing arm 14 and one end of the lower swing arm 15 are connected to the knuckle 13 through ball pins, and the knuckle 13 can provide mounting positions for the upper swing arm 14 and the lower swing arm 15 and can facilitate the mounting and fixing of the upper swing arm 14 and the lower swing arm 15. The other end of the upper swing arm 14 and the other end of the lower swing arm 15 are connected to the frame, and the upper swing arm 14 and the lower swing arm 15 can be used for supporting the frame and fixing wheels; the upper swing arm 14 and the lower swing arm 15 are connected to the knuckle 13 through the ball pin, so that a certain degree of freedom can be provided for the upper swing arm 14 and the lower swing arm 15, and the upper swing arm 14 and the lower swing arm 15 can play a role in buffering and damping. For example, the upper swing arm 14 and the lower swing arm 15 may be connected to the frame through rubber bushings, and the upper swing arm 14 and the lower swing arm 15 may be forged pieces and are Y-shaped swing arms.

According to some embodiments of the present utility model, referring to fig. 1-3 and 6-7, the front axle assembly 100 of the vehicle further includes a posture adjustment bracket 40 and an air spring 16, the posture adjustment bracket 40 is fixedly connected with the lower swing arm 15, for example, the posture adjustment bracket 40 and the lower swing arm 15 may be connected through rubber bushings. The upper end of the air spring 16 is attached to the vehicle frame, for example, the upper end of the air spring 16 may be bolted to the vehicle frame. The posture adjustment bracket 40 has an assembly slot 411, and the lower end of the air spring 16 is installed in the assembly slot 411, and the air spring 16 can be installed between the lower swing arm 15 and the vehicle frame. The air spring 16 can play a role in buffering and damping, and can ensure the smooth running of the vehicle.

In a specific example, a bolt hole 412 is provided on the posture adjustment bracket 40, the bolt hole 412 is adjacent to the fitting slot 411, and a bolt may be inserted through the bolt hole 412 to fix the lower end of the air spring 16 into the fitting slot 411 so that the air spring 16 may be fixedly coupled with the posture adjustment bracket 40.

According to some embodiments of the present utility model, referring to fig. 6 to 7, the posture adjustment bracket 40 includes a main body portion 41, a first leg portion 42, and a second leg portion 43, the first leg portion 42 and the second leg portion 43 being connected to a lower end of the main body portion 41. The body portion 41 is formed with an upwardly open fitting slot 411. The first leg portion 42 and the second leg portion 43 are respectively connected to both sides of the lower swing arm 15, so that the connection area of the posture adjustment bracket 40 and the lower swing arm 15 can be increased, and further, the connection strength of the posture adjustment bracket 40 and the lower swing arm 15 can be increased. For example, an included angle may be formed between the first leg portion 42 and the second leg portion 43, and an included angle between the first leg portion 42 and the second leg portion 43 may be an acute angle; the first leg portion 42 and the second leg portion 43 may be connected to both sides of the lower swing arm 15 through rubber bushings.

In a specific example, the depth of the fitting slot 411 may be adjusted according to the posture of the vehicle, satisfying the posture adjustment requirements of different vehicle bodies. If a high-attitude vehicle is required to be designed, the depth of the assembly slot 411 can be reduced, the size of the lower end of the air spring 16 arranged in the assembly slot 411 is relatively smaller, the size of the air spring 16 above the attitude adjusting bracket 40 is larger, the vehicle frame is arranged at the upper end of the air spring 16, the attitude of the vehicle can be correspondingly improved, and the requirement of designing the high-attitude vehicle can be met.

If a low-attitude vehicle is required to be designed, the depth of the assembly slot 411 can be increased, the size of the lower end of the air spring 16 arranged in the assembly slot 411 is larger, the size of the air spring 16 above the attitude adjusting bracket 40 is relatively smaller, the vehicle frame is arranged at the upper end of the air spring 16, the attitude of the vehicle can be correspondingly reduced, and the requirement of designing the low-attitude vehicle can be met. By adjusting the depth of the assembly slot 411, the requirements of different vehicle body posture adjustment are met, the cost can be greatly reduced, and good economy is achieved.

According to some embodiments of the present utility model, referring to fig. 1-4, the front axle assembly 100 of the vehicle further includes a stabilizer bar 17 and a stabilizer bar 18, the stabilizer bar 18 is provided with two stabilizer bars 18, one ends of the two stabilizer bars 18 are connected to both ends of the stabilizer bar 17, respectively, for example, one end of the stabilizer bar 18 is connected to the stabilizer bar 17 through a ball pin. The other ends of the two stabilizer bar levers 18 are respectively connected with the two lower swing arms 15. For example, the lower swing arm 15 is provided with a boss 151, and one end of the stabilizer bar 18 is connected to the boss 151 through a rubber bushing. The stabilizer bar 17 and the stabilizer bar 18 can keep the vehicle body balanced while the vehicle is running, preventing the vehicle from excessively laterally rolling while turning.

In a specific example, referring to fig. 1-4, the front axle assembly 100 of the vehicle further includes a steering gear 19, both ends of the steering gear 19 may be connected to the knuckle 13 by ball pins, and the steering gear 19 may be further connected to the frame by bolts. The purpose of the steering gear 19 is to increase the force transmitted from the steering wheel to the steering gear and change the direction of transmission of the force.

According to some embodiments of the present utility model, referring to fig. 1 to 5, the main hydraulic pipe 31 is a hose, and when the vehicle is running, the main hydraulic pipe 31 can absorb a certain shock and generate a buffering deformation, so that the main hydraulic pipe 31 can be prevented from interfering with the wheel rim structure. The first hydraulic branch pipe 32 and the second hydraulic branch pipe 33 are hard pipes, and when the vehicle is running, the first hydraulic branch pipe 32 and the second hydraulic branch pipe 33 are not easy to deform, so that the flow of hydraulic fluid can be facilitated.

A vehicle according to an embodiment of the second aspect of the present utility model includes a front axle assembly 100 of a vehicle according to the above-described embodiment of the first aspect of the present utility model.

According to the vehicle provided by the embodiment of the utility model, the front axle assembly 100 of the vehicle is arranged, so that the braking effect of the brake caliper 20 is better, the front axle assembly 100 of the vehicle can be further applied to a vehicle type with larger bearing capacity, and the market application prospect and the application range of the front axle assembly 100 of the vehicle are expanded.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, reference to the terms "some embodiments," "optionally," "further," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A front axle assembly for a vehicle, comprising:

the wheel hub motor is mounted on a wheel and comprises a rotor and a stator;

the brake disc is arranged on the rotor;

the brake caliper comprises a first brake caliper and a second brake caliper, the first brake caliper and the second brake caliper are fixedly connected with the stator, and the first brake caliper and the second brake caliper are spaced apart along the circumferential direction of the brake disc;

the driving assembly is in transmission connection with the first brake caliper and the second brake caliper so as to synchronously drive the first brake caliper and the second brake caliper to brake the brake disc.

2. The front axle assembly of a vehicle as defined in claim 1, wherein said brake caliper includes a friction plate, a hydraulic cylinder and a piston, said piston being disposed within said hydraulic cylinder, said friction plate being drivingly connected to said piston,

the driving assembly comprises a hydraulic pump and a hydraulic pipe group, the hydraulic pipe group comprises a hydraulic main pipe, a first hydraulic branch pipe, a second hydraulic branch pipe and a three-way joint, a liquid inlet of the hydraulic main pipe is communicated with the hydraulic pump, a liquid outlet of the hydraulic main pipe, a liquid inlet of the first hydraulic branch pipe and a liquid inlet of the second hydraulic branch pipe are communicated with the three-way joint, a liquid outlet of the first hydraulic branch pipe is communicated with the first brake caliper, and a liquid outlet of the second hydraulic branch pipe is communicated with the second brake caliper.

3. The front axle assembly of claim 2, further comprising a knuckle mounted on the stator, the three-way joint being mounted on the knuckle.

4. A front axle assembly of a vehicle according to claim 3, wherein the first and second brake calipers are each mounted on the knuckle.

5. The front axle assembly of a vehicle of claim 3, further comprising: the steering device comprises an upper swing arm and a lower swing arm, wherein one end of the upper swing arm and one end of the lower swing arm are connected to the steering knuckle through ball pins, and the other end of the upper swing arm and the other end of the lower swing arm are connected to a frame.

6. The front axle assembly of a vehicle of claim 5, further comprising:

the gesture adjusting bracket is fixedly connected with the lower swing arm and is provided with an assembly groove;

the upper end of the air spring is connected to the frame, and the lower end of the air spring is installed in the assembly groove.

7. The front axle assembly of a vehicle of claim 6, wherein the attitude adjustment bracket comprises:

the body part is provided with an assembling groove with an upward opening, and the first leg part and the second leg part are respectively connected to two sides of the lower swing arm.

8. The front axle assembly of a vehicle of claim 5, further comprising: stabilizer bar and stabilizer bar pull rod, the stabilizer bar pull rod is provided with two, two the one end of stabilizer bar pull rod is connected respectively the stabilizer bar both ends, two the other end of stabilizer bar pull rod links to each other with two swing arms down respectively.

9. The front axle assembly of claim 2, wherein the hydraulic main tube is a hose and the first and second hydraulic branch tubes are each a hard tube.

10. A vehicle comprising the front axle assembly of any one of claims 1-9.