CN219133773U

CN219133773U - Automobile front axle suspension and automobile

Info

Publication number: CN219133773U
Application number: CN202223586961.4U
Authority: CN
Inventors: 常密军; 赵博; 安洪雨; 张洪森; 李影欣; 郭长胜; 刘芳芳
Original assignee: Haomo Zhixing Technology Co Ltd
Current assignee: Haomo Zhixing Technology Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-06
Anticipated expiration: 2032-12-30

Abstract

The utility model provides an automobile front axle suspension and an automobile. The front axle suspension of the automobile comprises two sets of suspension components arranged on a front axle beam, wherein the two suspension components are respectively arranged close to hub mounting parts at two ends of the front axle beam. The suspension assembly comprises a shock absorber connected between a front axle beam and a main frame of an automobile, and two control arms arranged close to the shock absorber; the two control arms are both hinged between the front axle beam and the main frame, and are respectively hinged at the top and the bottom of the front axle beam. The front axle suspension of the automobile is provided with the two control arms, and the two control arms are different in hinge parts on the front axle cross beam, so that a stable supporting frame structure form is formed among the main frame, the suspension assembly and the front axle cross beam.

Description

Automobile front axle suspension and automobile

Technical Field

The utility model relates to the technical field of chassis suspensions, in particular to an automobile front axle suspension. In addition, the utility model also relates to an automobile.

Background

In the chassis structure of an automobile, a suspension structure is generally provided. With the rise of unmanned technique, low-speed unmanned logistics vehicles are widely applied, and the vehicles often adopt integral bridge type front suspensions, but in the existing vehicles, the front bridge suspension structure is not reasonably arranged.

The conventional automobile suspension structure is generally adopted in the suspension structure of the existing unmanned logistics vehicle, the matching structures such as the shock absorber and the control arm are too complex, the manufacturing cost is high, and the assembly and maintenance difficulties are high. Meanwhile, as the low-speed unmanned logistics vehicle is large in general loading mass and high in gravity center, in the running process of the vehicle, when the vehicle is braked in high strength, the rear wheels of the vehicle are easy to separate from the ground, so that the vehicle is easy to nod, roll over and the like.

Based on the above situation, it is necessary to purposefully improve and optimally design the structure of the front axle suspension aiming at the characteristics of the unmanned logistics vehicle, so as to provide an automobile front axle suspension with simple structure, low cost and better braking resistance.

Disclosure of Invention

In view of the foregoing, the present utility model aims to provide an automotive front axle suspension, so as to provide an automotive front axle suspension structure suitable for an unmanned logistics vehicle.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the front axle suspension of the automobile comprises two sets of suspension components arranged on a front axle beam, wherein the two sets of suspension components are respectively arranged close to hub mounting parts at two ends of the front axle beam;

the suspension assembly comprises a shock absorber connected between the front axle cross beam and a main frame of the automobile, and two control arms arranged close to the shock absorber; the two control arms are both hinged between the front axle beam and the main frame, and the two control arms are respectively hinged at the top and the bottom of the front axle beam.

Further, the shock absorber is arranged along the up-down direction of the vehicle, the bottom end of the shock absorber is hinged to the front axle cross beam, and the top end of the shock absorber is hinged to the main frame.

Further, a shock absorber support is arranged on one side, facing the front of the vehicle, of the front axle beam, and the bottom end of the front axle beam is hinged to the shock absorber support through a bolt pair.

Further, the damper adopts a spring damper.

Further, both the control arms are extended from the front axle cross member toward the rear of the vehicle.

Further, the two control arms comprise an upper control arm and a lower control arm, the distance between the upper control arm and the lower control arm is gradually reduced along the direction far away from the front axle beam, and the position of the upper control arm hinged to the main frame and the position of the lower control arm hinged to the main frame are mutually close.

Further, the front axle beam is provided with a plurality of control arm supports corresponding to the control arms, and the control arms are respectively hinged to the corresponding control arm supports through bolt pairs.

Further, the control arm comprises a connecting rod and two connecting sleeves which are respectively arranged at two ends of the connecting rod; the control arm is hinged with the front axle cross beam or the main frame through the connecting sleeve.

Further, the connecting rod is made of a pipe profile, and/or the connecting sleeve comprises an inner lining pipe, an outer lining pipe and a rubber bushing arranged between the inner lining pipe and the outer lining pipe.

Compared with the prior art, the utility model has the following advantages:

according to the front axle suspension of the automobile, the two control arms are arranged for each shock absorber, and the hinged parts of the two control arms on the front axle cross beam are different, so that each set of suspension components and the front axle cross beam are connected through a plurality of hinged structures at different positions, a stable supporting frame structure form is formed among the main frame, the suspension components and the front axle cross beam, the whole structure is simple, the capability of adapting to high-strength braking of the front axle suspension of the automobile is improved, and the front axle suspension structure of the automobile suitable for the unmanned logistics automobile is provided.

In addition, arrange the shock absorber from top to bottom vertically, help providing good support to the vehicle, cooperate the setting of two control arms, be favorable to improving the support performance of suspension assembly. Furthermore, the two control arms are arranged in the vehicle rear direction, so that a frame-like support structure similar to a triangle is formed among the main frame, the control arms and the shock absorber, thereby facilitating the occurrence of the situation that the rear wheel of the vehicle is easy to separate from the ground during the braking of the vehicle.

Another object of the utility model is to provide an automobile, on which the front axle suspension of the automobile is provided. The automobile has the technical advantages of the automobile front axle suspension.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model, wherein the words of front and back, top and bottom, etc. are used to indicate relative position and are not intended to limit the utility model unduly. In the drawings:

FIG. 1 is a schematic view of an overall structure of a front axle suspension of an automobile according to an embodiment of the utility model;

FIG. 2 is a schematic view of a shock absorber according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an assembled cross-sectional structure of a shock absorber according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a control arm according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of the portion A-A shown in FIG. 1.

Reference numerals illustrate:

1. a front axle beam; 10. a hub mounting portion; 11. a damper bracket; 12. a control arm support; 12a, upper support; 12b, a lower bracket;

2. a damper; 20. a telescopic rod; 21. a damping spring; 200. a bottom end; 201. a top end;

3. a control arm; 3a, upper control arm; 3b, a lower control arm; 30. a connecting rod; 31. a connection sleeve; 310. an outer liner; 311. an inner liner tube; 312. a rubber bushing; 40. a bolt; 41. and (3) a nut.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "inner", "back", and the like are presented, they are based on the azimuth or the positional relationship shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The embodiment relates to an automobile front axle suspension, and provides an automobile front axle suspension structure suitable for an unmanned logistics vehicle; an exemplary structure thereof is shown in fig. 1.

In general, the front axle suspension of the automobile comprises two sets of suspension components arranged on a front axle beam 1, wherein the two sets of suspension components are respectively arranged near hub mounting parts 10 at two ends of the front axle beam 1. The suspension assembly comprises a shock absorber 2 connected between a front axle beam 1 and a main frame of the automobile, and two control arms 3 arranged close to the shock absorber 2. The two control arms 3 are both hinged between the front axle beam 1 and the main frame, and the two control arms 3 are respectively hinged at the top and the bottom of the front axle beam 1.

Specifically, as shown in fig. 2, the shock absorber 2 of the present embodiment is arranged in the up-down direction of the vehicle, the bottom end 200 of the shock absorber 2 is hinged to the front axle cross member 1, and the top end 201 of the shock absorber 2 is hinged to the main frame. The shock absorber 2 is vertically arranged up and down, so that good support is provided for the vehicle, and the support performance of the suspension assembly is improved by matching with the arrangement of the two control arms 3.

As shown in fig. 3, a shock absorber bracket 11 is provided on the front side of the front axle beam 1 facing the front of the vehicle, and a bottom end 200 is hinged to the shock absorber bracket 11 by a bolt pair. The bolt pair comprises a bolt 40 penetrating through the damper bracket 11 and the bottom end 200 of the damper 2, and a nut 41 screwed on the bolt 40, wherein the nut 41 is preferably a self-locking nut, and the nut 41 is prevented from loosening and falling off from the bolt 40. Similarly, such bolt pairs may be used to hinge the top end 201 of the shock absorber 2 to the main frame. Through setting up shock absorber support 11 on front axle crossbeam 1, utilize the bolt pair can conveniently link to each other shock absorber 2 and front axle crossbeam 1 articulated, assembly structure is simple and connectivity is reliable.

The shock absorber 2 preferably adopts a spring type shock absorber, and comprises a main cylinder body, a damping spring 21 arranged on the main cylinder body, and a telescopic rod 20 telescopically arranged on the main cylinder body; the top end 201 is located at the rear end of the main cylinder and the bottom end 200 is located at the end of the telescopic rod 20. The spring type shock absorber has the characteristics of convenient preparation and stable shock absorption performance.

As shown in fig. 1 in combination with fig. 4 and 5, in each suspension assembly, two control arms 3 are each provided extending toward the rear of the vehicle from the front axle beam 1; furthermore, the two control arms 3 specifically include an upper control arm 3a and a lower control arm 3b. The distance between the upper control arm 3a and the lower control arm 3b is set smaller along the direction away from the front axle beam 1, and the position of the upper control arm 3a hinged on the main frame and the position of the lower control arm 3b hinged on the main frame are close to each other.

The two control arms 3 are arranged toward the rear of the vehicle, so that a frame-like support structure resembling a triangle is formed between the main frame, the control arms 3 and the shock absorber 2, thereby facilitating the suppression of the rear wheels of the vehicle from easily coming off the ground during braking of the vehicle. In addition, the hinge parts of the upper control arm 3a and the main frame and the hinge parts of the lower control arm 3b and the main frame are arranged adjacently, so that a small triangle supporting structure is formed among the upper control arm 3a, the lower control arm 3b and the front axle beam 1, when the vehicle brakes with high intensity, the braking impact force from the rear of the vehicle can be transmitted to one side of the front axle beam 1 facing the rear of the vehicle through the upper control arm 3a and the lower control arm 3b, and the situation that the rear wheel of the vehicle is separated from the ground and the vehicle is noded or even turned over is further reduced.

In order to facilitate the installation of the control arms 3 on the front axle beam 1, in this embodiment, the front axle beam 1 is provided with a plurality of control arm brackets 12 corresponding to the control arms 3, and each control arm 3 is hinged to the corresponding control arm bracket 12 through a bolt pair. Specifically, in each set of suspension assemblies, the upper control arm 3a is provided with an upper bracket 12a, and the lower control arm 3b is provided with a lower bracket 12b; the upper bracket 12a, the lower bracket 12b, and the damper bracket 11 are preferably fixed to the front axle beam 1 by welding. The front axle beam 1 is provided with a plurality of control arm brackets 12 for hinging and installing each control arm 3, and the front axle beam has the characteristics of convenient assembly and reliable connection performance.

Similar to the mounting of the shock absorber 2, the control arm 3 is also preferably connected to the control arm support 12 by means of a bolt 40 which is threaded through the end of the control arm 3 and the control arm support 12, and a nut 41 which is screwed onto the bolt 40.

In addition, the control arm 3 of the present embodiment includes a link 30, and two connection bushings 31 provided separately at both ends of the link 30; the control arm 3 is connected with the front axle beam 1 or the main frame in a hinged manner through a connecting sleeve 31. Connecting sleeves 31 are arranged at two ends of the connecting rod 30, good assembly conditions are provided for the hinging of the control arm 3 and the front axle beam 1 and the hinging of the control arm 3 and the main frame, and the control arm 3 is conveniently hinged and installed on the front axle beam 1 and the main frame through bolt pairs penetrating through the connecting sleeves 31.

Of course, the specific structure and manufacturing mode of the control arm 3 are selected in many ways, and in this embodiment, the connecting rod 30 is made of a pipe profile; the connection sleeve 31 includes a lining tube 311, an outer lining tube 310, and a rubber bushing 312 disposed between the lining tube 311 and the outer lining tube 310.

The connecting rod 30 is manufactured by cutting a pipe profile, and then the connecting rod 30 and the connecting sleeve 31 are welded into a whole, so that the control arm 3 can be conveniently manufactured, materials are conveniently obtained, and the cost is reduced; the connecting sleeve 31 adopts a structure form of injection molding a rubber bushing 312 between the inner bushing 311 and the outer bushing 310, which is beneficial to improving the buffering performance of the end part of the control arm 3.

In summary, in the front axle suspension of the present embodiment, two control arms 3 are configured for each shock absorber 2, and the hinge positions of the two control arms 3 on the front axle beam 1 are different, so that each set of suspension components and the front axle beam 1 are connected through multiple hinge structures at different positions, and a stable supporting frame structure form is formed among the main frame, the suspension components and the front axle beam 1, so that the overall structure is simpler, and the capability of adapting to high-strength braking of the front axle suspension of the vehicle is improved, thereby providing a front axle suspension structure of the vehicle suitable for use by an unmanned logistics vehicle.

Example two

The embodiment relates to an automobile, and the automobile is provided with the front axle suspension of the automobile provided in the embodiment I.

The automobile in the embodiment is preferably a low-speed unmanned logistics automobile, and by adopting the front axle suspension of the automobile, the suspension assembly can be arranged between the front axle beam 1 and the main frame in a limited space, and the functions of bearing and damping can be simultaneously exerted by using the suspension assembly.

The upper control arm 3a and the lower control arm 3b adopt extremely simple design structures, and achieve the effects of connection, support and braking resistance under the condition of low cost; in addition, the upper control arm 3a and the lower control arm 3b are reasonably arranged in direction and inclined angle, so that the anti-braking performance of the suspension assembly is improved, the risks of rear wheel lift and vehicle nodding caused by strong braking of the vehicle can be effectively reduced, and the probability of rolling caused by forced movement of the vehicle is reduced; the unmanned logistics vehicle has the advantages that the conditions that the unmanned logistics vehicle is large in loading mass and high in gravity center, rear wheels of the vehicle are easy to separate from the ground during high-strength braking in the running process of the vehicle, and nodding and even rollover of the vehicle are easy to occur are effectively improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A front axle suspension of an automobile comprises two sets of suspension components arranged on a front axle beam (1), wherein the two sets of suspension components are respectively arranged close to hub mounting parts (10) at two ends of the front axle beam (1); the method is characterized in that:

the suspension assembly comprises a shock absorber (2) connected between the front axle cross beam (1) and a main frame of the automobile, and two control arms (3) arranged close to the shock absorber (2);

the two control arms (3) are both hinged between the front axle beam (1) and the main frame, and the two control arms (3) are respectively hinged at the top and the bottom of the front axle beam (1).

2. The front axle suspension of claim 1 wherein:

the shock absorber (2) is arranged along the up-down direction of the vehicle, the bottom end (200) of the shock absorber (2) is hinged on the front axle cross beam (1), and the top end (201) of the shock absorber (2) is hinged with the main frame.

3. The automotive front axle suspension of claim 2 wherein:

the front axle beam (1) is provided with a shock absorber bracket (11) on one side facing the front of the vehicle, and the bottom end (200) is hinged on the shock absorber bracket (11) through a bolt pair.

4. The automotive front axle suspension of claim 2 wherein:

the shock absorber (2) adopts a spring type shock absorber.

5. The automotive front axle suspension of claim 2 wherein:

both control arms (3) are arranged in a manner such that they extend toward the rear of the vehicle from the front axle cross member (1).

6. The front axle suspension of claim 5 wherein:

the two control arms (3) comprise an upper control arm (3 a) and a lower control arm (3 b), the distance between the upper control arm (3 a) and the lower control arm (3 b) is gradually reduced along the direction away from the front axle beam (1), and the position of the upper control arm (3 a) hinged to the main frame and the position of the lower control arm (3 b) hinged to the main frame are mutually close.

7. The front axle suspension of claim 1 wherein:

the front axle beam (1) is provided with a plurality of control arm supports (12) which are arranged corresponding to the control arms (3), and the control arms (3) are respectively hinged to the corresponding control arm supports (12) through bolt pairs.

8. The automotive front axle suspension according to any one of claims 1 to 7, characterized in that:

the control arm (3) comprises a connecting rod (30) and two connecting sleeves (31) which are respectively arranged at two ends of the connecting rod (30);

the control arm (3) is hinged with the front axle cross beam (1) or the main frame through the connecting sleeve (31).

9. The front axle suspension of claim 8 wherein:

the connecting rod (30) is made of a pipe profile, and/or the connecting sleeve (31) comprises an inner lining pipe (311), an outer lining pipe (310) and a rubber bushing (312) arranged between the inner lining pipe (311) and the outer lining pipe (310).

10. An automobile, characterized in that:

the automobile is provided with the front axle suspension of any one of claims 1 to 9.