CN116101010A

CN116101010A - Double front axle suspension and vehicle provided with same

Info

Publication number: CN116101010A
Application number: CN202310270835.8A
Authority: CN
Inventors: 张建振; 魏韬
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-05-12

Abstract

The application relates to a dual front axle suspension, installs in the backup pad, this dual front axle suspension includes: the device comprises a first axle suspension assembly, a balance part, a second axle suspension assembly and a supporting plate; the first end of the first axle suspension assembly is connected with the supporting plate; the second end of the first axle suspension assembly is hinged with the first connecting end of the balance part; the first end of the second axle suspension assembly and the second connecting end of the balancing part are coaxially arranged on the supporting plate; the second end of the second axle suspension assembly is hinged with the third connecting end of the balance part; the fourth connecting end of the balancing part is connected with the supporting plate. The balancing part that sets up in this application for the axle load of first axle suspension assembly and second axle suspension assembly realizes real-time balance, avoids appearing unipolar overload, avoids causing the risk of first axle suspension assembly and second axle suspension assembly fracture inefficacy.

Description

Double front axle suspension and vehicle provided with same

Technical Field

The application relates to the technical field of commercial vehicle suspension systems, in particular to a double front axle suspension and a vehicle with the same.

Background

Along with the rapid development of economy in China, the large-load-capacity multi-axle cargo vehicle meeting the requirements of high transportation efficiency and axle load limit is increasingly popular, and gradually becomes a main vehicle type in the market.

In the traditional sense, the multi-axle automobile is independently and rigidly hung on a frame, no force is transmitted between two axles, and single wheels can be suspended or overloaded when the automobile runs on uneven road surfaces.

Disclosure of Invention

Based on this, it is necessary to provide a double front axle suspension and a vehicle provided with the same, aiming at the problem of how to secure dynamic load balance between two axles while improving the service life.

As one aspect of the present application, there is provided a dual front axle suspension mounted on a support plate, the dual front axle suspension comprising:

a first axle suspension assembly, a first end of which is connected to the support plate;

the first connecting end of the balancing part is hinged with the second end of the first axle suspension assembly; and

the first end of the second axle suspension assembly and the second connecting end of the balance part are coaxially arranged on the supporting plate; the second end of the second axle suspension assembly is hinged with the third connecting end of the balance part; the fourth connecting end of the balancing part is connected with the supporting plate.

In one embodiment, the balancing part includes:

the first connecting end of the first swing arm is hinged with the second end of the first axle suspension assembly; the second connecting end of the first swing arm and the first end of the second axle suspension assembly are coaxially arranged on the supporting plate;

the first end of the pull rod is hinged with the third connecting end of the first swing arm;

the first connecting end of the second swing arm is hinged with the second end of the pull rod; the second connecting end of the second swing arm is hinged with the second end of the second axle suspension assembly; and

and the balance part mounting bracket and the third connecting end of the second swing arm are coaxially mounted on the supporting plate.

In one embodiment, the first axle suspension assembly includes:

a first bracket mounted on the support plate;

a first axle suspension body, a first end of which is hinged with the first bracket; and

the first end of the first lifting lug is hinged with the second end of the first axle suspension main body; the second end of the first lifting lug is hinged with the first connecting end of the first swing arm.

In one embodiment, the second axle suspension assembly includes:

the first end of the second bracket and the second connecting end of the first swing arm are coaxially arranged on the supporting plate;

the first end of the second axle suspension body is hinged with the second end of the second bracket; and

the first end of the second lifting lug is hinged with the second end of the second axle suspension main body; the second end of the second lifting lug is hinged with the second connecting end of the second swing arm.

In one embodiment, the first swing arm includes:

the swing arm body is in a triangular arm-shaped structure; and

the swing arm lightening hole is formed in the center of the swing arm body.

In one embodiment, the first swing arm further comprises:

the swing arm weight reducing groove is formed in the outer wall surface of the swing arm body, and the extending direction of the swing arm weight reducing groove is the same as that of the swing arm weight reducing hole.

In one embodiment, the first lifting lug comprises:

the first connecting part is in a U-shaped structure; the first connecting part is hinged with the second end of the first axle suspension main body along a first direction;

the second connecting part is in a U-shaped structure, and the opening end of the second connecting part is arranged opposite to the opening end of the first connecting part; the second connecting part is hinged with the first connecting end of the first swing arm along the first direction;

a third connection portion disposed between the first connection portion and the second connection portion and connected to the first connection portion and the second connection portion at the same time; and

the lifting lug lightening holes are formed in the third connecting portion, extend along the second direction, and are mutually perpendicular to the first direction.

In one embodiment, the method further comprises:

the oil filling port is respectively arranged at the first end of the first axle suspension assembly, the second end of the first axle suspension assembly, the first connecting end of the balance part, the second connecting end of the balance part, the third connecting end of the balance part and the fourth connecting end of the balance part;

the lubricating part is connected with the first end of the first axle suspension assembly, the second end of the first axle suspension assembly, the first connecting end of the balancing part, the second connecting end of the balancing part, the third connecting end of the balancing part and the oil filling port arranged on the fourth connecting end of the balancing part through oil filling pipelines respectively.

In one embodiment, the lubrication portion includes:

the first end of the first oil injection pipe branch is respectively connected with the first end of the first axle suspension assembly, the second end of the first axle suspension assembly and the oil injection port arranged on the first connecting end of the balance part; and

the first end of the second oil injection pipe branch is respectively connected with the third connecting end of the balance part and the oil injection port arranged on the fourth connecting end of the balance part;

the second end of the first filler pipe branch and the second end of the second filler pipe branch are connected in parallel with the lubrication part.

As another aspect of the present application, there is provided a vehicle including:

the dual front axle suspension as described above; and

and the frame is connected with the supporting plate of the double front axle suspension.

The balancing part that sets up in this application for the axle load of first axle suspension assembly and second axle suspension assembly realizes real-time balance, avoids appearing unipolar overload, avoids causing the risk of first axle suspension assembly and second axle suspension assembly fracture inefficacy.

Drawings

FIG. 1 illustrates a schematic diagram of a dual front axle suspension provided in an embodiment of the present application;

FIG. 2 shows a schematic structural view of the first swing arm of FIG. 1;

fig. 3 shows a schematic structural view of the first lifting lug in fig. 1;

fig. 4 shows a schematic structural diagram of a dual front axle suspension according to another embodiment of the present application.

Reference numerals:

100-a first axle suspension assembly;

110-a first scaffold;

120-a first axle suspension body;

130-a first lifting lug;

131-a first connection;

132-a second connection;

133-a third connection;

134-lifting lug lightening holes;

200-balancing part;

210-a first swing arm;

211-swing arm body

212-a swing arm lightening hole;

213-swing arm weight-reducing grooves;

220-pull rod;

230-a second swing arm;

240-balancing part mounting bracket;

300-second axle suspension assembly;

310-a second bracket;

320-a second axle suspension body;

330-a second shackle;

400-supporting plates;

500-an oil filling port;

600-lubrication part;

700-a first filler pipe branch;

800-a second filler pipe branch.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, 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 at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1 to 3, fig. 1 illustrates a schematic structural diagram of a dual front axle suspension according to an embodiment of the present application, fig. 2 illustrates a schematic structural diagram of a first swing arm in fig. 1, and fig. 3 illustrates a schematic structural diagram of a first lifting lug in fig. 1.

In one embodiment of the present application, there is provided a dual front axle suspension mounted on a support plate 400, the dual front axle suspension comprising: a first axle suspension assembly 100, a balance portion 200, and a second axle suspension assembly 300.

A first end of the first axle suspension assembly 100 is coupled to a support plate 400; the second end of the first axle suspension assembly 100 is hinged to the first connection end of the balance portion 200; the first end of the second axle suspension assembly 300 and the second connection end of the balance portion 200 are coaxially mounted on the support plate 400; the second end of the second axle suspension assembly 300 is hinged to the third connection end of the balance 200; the fourth connection end of the balance part 200 is connected to the support plate 400.

Regarding the balance portion 200 related to the above-described embodiment, the balance portion 200 is mounted on the support plate 400, and the balance portion 200 is connected between the first axle suspension assembly 100 and the second axle suspension assembly 300, and the balance portion 200 cooperates with the first axle suspension assembly 100 and the second axle suspension assembly 300 to form a planar four-bar linkage.

Specifically, the balancing unit 200 includes: the first swing arm 210, the tie rod 220, the second swing arm 230, and the balance mounting bracket 240. A first connection end of the first swing arm 210 is hinged to a second end of the first axle suspension assembly 100; the second connection end of the first swing arm 210 and the first end of the second axle suspension assembly 300 are coaxially mounted on the support plate 400; a first end of the pull rod 220 is hinged to a third connection end of the first swing arm 210. The first connection end of the second swing arm 230 is hinged with the second end of the pull rod 220; the second connection end of the second swing arm 230 is hinged to the second end of the second axle suspension assembly 300; the balance mounting bracket 240 is coaxially mounted on the support plate 400 with the third connection end of the second swing arm 230. The pull rod 220 can be a two-force rod, and the structure of the pull rod can be a hollow welded steel pipe matched with a welded joint, and can also be designed into an I-beam casting so as to realize the effects of reducing the cost and increasing the weight.

Further, the first axle suspension assembly 100 includes: a first bracket 110, a first axle suspension body 120, and a first shackle 130. The first bracket 110 is mounted on the support plate 400; a first end of the first axle suspension body 120 is hinged to the first bracket 110; the first end of the first shackle 130 is hinged to the second end of the first axle suspension body 120; the second end of the first lifting lug 130 is hinged to the first connection end of the first swing arm 210.

Further, the second axle suspension assembly 300 includes: a second bracket 310, a second axle suspension body 320, and a second shackle 330. The first end of the second bracket 310 and the second connection end of the first swing arm 210 are coaxially installed on the support plate 400; the first end of the second axle suspension body 320 is hinged to the second end of the second bracket 310; the first end of the second shackle 330 is hinged to the second end of the second axle suspension body 320; a second end of the second lifting lug 330 is hinged to a second connection end of the second swing arm 230.

In the present embodiment, the first axle suspension assembly 100 is fixedly mounted on the support plate 400 by the first bracket 110, the second axle suspension assembly 300 and the first swing arm 210 are fixedly mounted on the support plate 400 by the second bracket 310, and the second swing arm 230 is fixedly mounted on the support plate 400 by the balance portion mounting bracket 240. It will be appreciated by those skilled in the art that the articulation between the first axle suspension body 120 and the first bracket 110, between the first axle suspension body 120 and the first lifting lug 130, between the first lifting lug 130 and the first swing arm 210, between the first swing arm 210 and the pull rod 220, between the pull rod 220 and the second swing arm 230, between the second swing arm 230 and the second lifting lug 330, and between the second lifting lug 330 and the second axle suspension body 320 may be selected, or other connections that ensure relative rotation between the above components may be selected and used, which are not illustrated herein.

In an alternative embodiment, the first swing arm 210 includes: swing arm body 211 and swing arm lightening hole 212.

The swing arm body 211 has a triangular arm structure. A swing arm lightening hole 212 is opened at the center position of the swing arm body 211. The swing arm weight reducing holes 212 may be one or more. The plurality of swing arm lightening holes 212 are generally uniformly distributed at a central position on the swing arm body 211 or uniformly distributed around the center. One swing arm weight reducing hole 212 is generally arranged at the center position of the swing arm body 211.

In an alternative embodiment, the first swing arm 210 includes: swing arm body 211, swing arm lightening hole 212 and swing arm lightening groove 213. The arrangement of the swing arm body 211 and the swing arm lightening hole 212 is the same as that of the previous embodiment and will not be described here again. The swing arm weight reducing groove 213 is formed on the outer wall surface of the swing arm body 211, and the extending direction of the swing arm weight reducing groove 213 is the same as the extending direction of the swing arm weight reducing hole 212. It should be noted that, the swing arm weight reducing hole 212 and the swing arm weight reducing groove 213 may be arranged according to the actual stress degree, and no specific limitation is required, so that the apertures of the swing arm weight reducing hole 212 and the swing arm weight reducing groove 213 (or the deformation of the swing arm body 21) may be appropriately increased under the condition that the strength can be ensured, and the load transferred to the tie rod 220 may be effectively buffered.

In an alternative embodiment, first shackle 130 includes: a first connection portion 131, a second connection portion 132, a third connection portion 133, and a shackle lightening hole 134. The first connection part 131 has a U-shaped structure; the first connection portion 131 is hingedly connected to the second end of the first axle suspension body 120; the second connecting portion 132 has a U-shaped structure, and an opening end of the second connecting portion 132 is disposed opposite to an opening end of the first connecting portion 131; the second connection portion 132 is hingedly connected to a first connection end of the first swing arm 210.

The third connection part 133 is disposed between the first connection part 131 and the second connection part 132 while being connected to the first connection part 131 and the second connection part 132, and the third connection part 133 forms an H-type structure in cooperation with the first connection part 131 and the second connection part 132.

The third connecting portion 133 can be disposed in a lightweight manner as a waist portion position of the H-shaped structure. Specifically, the third connecting portion 133 may be provided with a lifting lug weight reducing hole 134, and the axial direction of the lifting lug weight reducing hole 134 may be perpendicular to the axial direction of the hinge hole provided in the first connecting portion 131 (the hinge hole provided in the second connecting portion 132). Alternatively, a triangular groove is formed on each side of the third connection portion 133 to partially form an X shape, thereby not only avoiding the risk of defects due to heavy weight, but also reducing stress concentration.

Referring to fig. 4, fig. 4 shows a schematic structural diagram of a dual front axle suspension according to another embodiment of the present application.

The dual front axle suspension structure provided in another embodiment of the present application is different from the dual front axle suspension structure provided in the foregoing embodiment in that the dual front axle suspension structure provided in the present embodiment further includes: an oil filling port 500, a lubrication portion 600, and an oil filling pipeline. The lubrication portion 600 is connected to each of the oil filling ports 500 through an oil filling pipe. The number of the oil filling ports 500 is generally 1 to 2, and the number of the oil filling ports 500 can be increased by adopting a redundant design on the friction parts which are important to the friction parts which are provided with pin shafts. The arrangement positions of the oil filling port 500 may include a first connection end of the first swing arm 210, a second connection end of the first swing arm 210, a third connection end of the first swing arm 210, a first connection end of the second swing arm 230, a second connection end of the second swing arm 230, a third connection end of the second swing arm 230, a first end of the first lifting lug 130, a second end of the first lifting lug 130, a first end of the second lifting lug 330, a second end of the second lifting lug 330, a first end of the pull rod 220, a second end of the pull rod 220, and the first bracket 110, and it should be noted that the oil filling port 500 may be further arranged on other movable friction components, which are not exemplified herein.

Further, the lubrication portion 600 includes: a first filler pipe leg 700 and a second filler pipe leg 800. The first end of the first filler pipe branch 700 is connected to the first end of the first axle suspension assembly 100, the second end of the first axle suspension assembly 100, and the filler neck 500 provided on the first connection end of the balance portion 200, respectively. The first end of the second filler pipe branch 800 is connected to the third connection end of the balance part 200 and the filler neck 500 provided on the fourth connection end of the balance part 200, respectively; the second end of the first filler pipe branch 700 and the second end of the second filler pipe branch 800 are connected in parallel to the lubrication portion 600.

Here, the lubrication part 600 is divided into two branches by setting the first and second

filler pipe branches

700 and 800, one of which is responsible for the first support 110, the first axle suspension body 120, the first lifting lug 130, the first swing arm 210, the second support 310 and the first end of the pull rod 220, and the other of which is responsible for the second axle suspension body 320, the second lifting lug 330, the second swing arm 230, the balance part mounting support 240 and the second end of the pull rod 220, so that grouping accurate pressure control is realized, and maintenance and clear investigation are also facilitated.

Alternatively, by arranging an electronic control device to be connected with the lubrication part 600, the lubrication part 600 is controlled to be filled with the friction parts needing lubrication at fixed time and fixed quantity. Further, by setting time and oil amount parameters on the electronic control device, the lubricating oil is distributed to the first oil filler pipe branch 700 and/or the second oil filler pipe branch 800 in a timing and quantitative manner, and then distributed to the oil filler ports 500 arranged on each friction part for filling.

There is also provided in an embodiment of the present application a vehicle including: the double front axle suspension as in the above-described embodiments is mounted on the vehicle frame, and is specifically connected to the vehicle frame through the support plate 400 of the double front axle suspension. Through the balanced pull rod structure that balanced portion and two axle suspension assemblies formed around for the axle load of two axle suspension assemblies realizes real-time balance around, avoids appearing the serious tire phenomenon that grinds that the unipolar transship arouses, causes the risk of the broken inefficacy of spring body of axle suspension main part even.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims

1. A dual front axle suspension, characterized in that the dual front axle suspension is mounted on a support plate (400), the dual front axle suspension comprising:

-a first axle suspension assembly (100), a first end of the first axle suspension assembly (100) being connected to the support plate (400);

a balance portion (200), a first connection end of the balance portion (200) being hinged to a second end of the first axle suspension assembly (100); and

-a second axle suspension assembly (300), a first end of the second axle suspension assembly (300) and a second connection end of the balancing part (200) being coaxially mounted on the support plate (400); the second end of the second axle suspension assembly (300) is hinged with the third connecting end of the balance part (200); the fourth connecting end of the balancing part (200) is connected with the supporting plate (400).

2. The dual front axle suspension according to claim 1, characterized in that the balancing portion (200) comprises:

a first swing arm (210), a first connection end of the first swing arm (210) being hinged to a second end of the first axle suspension assembly (100); the second connecting end of the first swing arm (210) and the first end of the second axle suspension assembly (300) are coaxially arranged on the supporting plate (400);

a pull rod (220), wherein a first end of the pull rod (220) is hinged with a third connecting end of the first swing arm (210);

the first connecting end of the second swing arm (230) is hinged with the second end of the pull rod (220); a second connecting end of the second swing arm (230) is hinged with a second end of the second axle suspension assembly (300); and

and the balance part mounting bracket (240) and the third connecting end of the second swing arm (230) are coaxially mounted on the support plate (400).

3. The dual front axle suspension of claim 2, wherein the first axle suspension assembly (100) comprises:

a first bracket (110) mounted on the support plate (400);

a first axle suspension body (120), a first end of the first axle suspension body (120) being hinged to the first bracket (110); and

a first shackle (130), a first end of the first shackle (130) being hinged to a second end of the first axle suspension body (120); the second end of the first lifting lug (130) is hinged with the first connecting end of the first swing arm (210).

4. The dual front axle suspension of claim 2, wherein the second axle suspension assembly (300) comprises:

a second bracket (310), wherein a first end of the second bracket (310) and a second connecting end of the first swing arm (210) are coaxially arranged on the supporting plate (400);

-a second axle suspension body (320), a first end of the second axle suspension body (320) being hinged to a second end of the second bracket (310); and

a second shackle (330), the first end of the second shackle (330) being hinged to the second end of the second axle suspension body (320); the second end of the second lifting lug (330) is hinged with the second connecting end of the second swing arm (230).

5. The dual front axle suspension of claim 2, wherein the first swing arm (210) comprises:

a swing arm body (211) having a triangular arm-like structure; and

the swing arm lightening hole (212) is formed in the center of the swing arm body (211).

6. The dual front axle suspension of claim 5, wherein the first swing arm (210) further comprises:

the swing arm weight reducing groove (213) is formed in the outer wall surface of the swing arm body (211), and the extending direction of the swing arm weight reducing groove (213) is the same as that of the swing arm weight reducing hole (212).

7. A dual front axle suspension according to claim 3, characterized in that the first shackle (130) comprises:

the first connecting part (131) is of a U-shaped structure; the first connecting part (131) is hinged with the second end of the first axle suspension main body (120) along a first direction;

the second connecting part (132) is of a U-shaped structure, and the opening end of the second connecting part (132) is arranged opposite to the opening end of the first connecting part (131); the second connecting part (132) is hinged with the first connecting end of the first swing arm (210) along the first direction;

a third connection portion (133) disposed between the first connection portion (131) and the second connection portion (132) and connected to both the first connection portion (131) and the second connection portion (132); and

the lifting lug lightening holes (134) are formed in the third connecting portions (133), the lifting lug lightening holes (134) extend along a second direction, and the second direction and the first direction are mutually perpendicular.

8. The dual front axle suspension of any one of claims 1 to 7, further comprising:

an oil filling port (500) provided at a first end of the first axle suspension assembly (100), a second end of the first axle suspension assembly (100), a first connection end of the balance part (200), a second connection end of the balance part (200), a third connection end of the balance part (200), and a fourth connection end of the balance part (200), respectively;

the lubricating part (600) is respectively connected with the first end of the first axle suspension assembly (100), the second end of the first axle suspension assembly (100), the first connecting end of the balancing part (200), the second connecting end of the balancing part (200), the third connecting end of the balancing part (200) and the oil filling port (500) arranged on the fourth connecting end of the balancing part (200) through oil filling pipelines.

9. The dual front axle suspension of claim 8, wherein the lubrication portion (600) comprises:

the first end of the first oil filler pipe branch (700) is respectively connected with the first end of the first axle suspension assembly (100), the second end of the first axle suspension assembly (100) and the oil filler port (500) arranged on the first connecting end of the balance part (200); and

a second filler pipe branch (800), wherein a first end of the second filler pipe branch (800) is connected with a third connecting end of the balance part (200) and the filler port (500) arranged on a fourth connecting end of the balance part (200) respectively;

the second end of the first filler pipe branch (700) and the second end of the second filler pipe branch (800) are connected in parallel to the lubrication portion (600).

10. A vehicle, characterized by comprising:

the dual front axle suspension of any one of claims 1 to 9; and

and the frame is connected with the supporting plate (400) of the double front axle suspension.