CN216424004U - Lower bracket of front axle air suspension of heavy truck - Google Patents
Lower bracket of front axle air suspension of heavy truck Download PDFInfo
- Publication number
- CN216424004U CN216424004U CN202123064195.0U CN202123064195U CN216424004U CN 216424004 U CN216424004 U CN 216424004U CN 202123064195 U CN202123064195 U CN 202123064195U CN 216424004 U CN216424004 U CN 216424004U
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- connecting plate
- plate
- vertical plate
- air suspension
- front axle
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Abstract
The utility model provides a lower carriage of heavily blocking front axle air suspension, its characterized in that: the lower support comprises an upper connecting plate, a vertical plate and a lower connecting plate; the upper end of the vertical plate is fixedly connected with the lower side surface of the upper connecting plate, the lower end of the vertical plate is fixedly connected with the upper side surface of the lower connecting plate, and the upper connecting plate and the lower connecting plate are parallel to each other; the upper side surface of the upper connecting plate is provided with a first connecting hole; a second connecting hole is formed in the front side face of the vertical plate; a third connecting hole is formed in the upper side face of the lower connecting plate, and an open slot is formed in the front of the lower connecting plate; a fourth connecting hole is formed in the upper side face of the lower connecting plate; the left end of the lower connecting plate is provided with a hinged part, and the hinged part is provided with a fifth connecting hole used for being connected with the shock absorber. Adopt this lower carriage to connect each spare part of air suspension, simple structure is favorable to the vehicle lightweight, and improves the anti ability of heeling of air suspension to the automobile body.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field, especially a lower carriage of heavily blocking front axle air suspension.
Background
In the prior art, an air spring is arranged right below a frame longitudinal beam, the upper part of the air spring is connected with a lower wing plate of the frame longitudinal beam through a bracket, and the lower part of the air spring is connected with a front axle (front wheel axle) through another bracket; the upper part of the shock absorber is connected with a web plate of a frame longitudinal beam through one connecting frame, and the lower part of the shock absorber is connected with an axle through the other connecting frame. The structure is complex, the number of parts is large, the weight of the whole air suspension is large, the whole vehicle is not beneficial to light weight, meanwhile, the air springs are limited by the position of a frame cross beam, the transverse distance of the 2 air springs is limited, and the anti-roll effect on the vehicle is poor.
SUMMERY OF THE UTILITY MODEL
To the problem in the background art, the utility model provides a heavily block front axle air suspension's lower carriage to solve among the prior art air suspension's connection structure complicacy, the poor problem of stability of heeling.
The utility model aims at realizing through the technical scheme, it is including:
the utility model provides a lower carriage of heavy truck front axle air suspension which innovation point lies in: the lower bracket is used for connecting the front axle and an air spring, a shock absorber, a guide arm and a transverse thrust rod of an air suspension; the lower support comprises an upper connecting plate, a vertical plate and a lower connecting plate; the upper end of the vertical plate is fixedly connected with the lower side surface of the upper connecting plate, the lower end of the vertical plate is fixedly connected with the upper side surface of the lower connecting plate, and the upper connecting plate and the lower connecting plate are parallel to each other; the upper side surface of the upper connecting plate is provided with a first connecting hole used for being connected with the air spring; a second connecting hole used for being connected with the guide arm is formed in the front side face of the vertical plate; the upper side surface of the lower connecting plate is provided with third connecting holes used for being connected with the transverse thrust rod, the third connecting holes are formed in the front side of the vertical plate, the number of the third connecting holes is 2, the 2 third connecting holes are distributed on the left and right of the front portion of the lower connecting plate, the front portion of the lower connecting plate is provided with an open slot, the opening direction of the open slot is arranged forwards, and the open slot is formed among the 2 third connecting holes; a fourth connecting hole used for being connected with a front axle is further formed in the upper side face of the lower connecting plate, and the fourth connecting hole is formed in the rear side of the vertical plate; the left end of the lower connecting plate is provided with a hinged portion, the hinged portion comprises 2 hinge lugs arranged in parallel, the 2 hinge lugs are distributed in the front-back direction, a space is arranged between the 2 hinge lugs, and a fifth connecting hole used for being connected with the shock absorber is formed in the front side face of the end portion of each hinge lug.
Preferably, a lightening hole is formed in the middle of the vertical plate and communicated with the open slot.
Preferably, the number of the second connecting holes is 4, every two of the 4 second connecting holes are in one group, and the two groups of the second connecting holes are arranged on two sides of the lightening hole in a bilateral symmetry mode.
Preferably, reinforcing ribs are arranged among the upper connecting plate, the vertical plate and the lower connecting plate, and are arranged on the rear side of the vertical plate.
Preferably, the upper part of the vertical plate is inclined to the rear side.
Preferably, the lower bracket is a casting.
Due to the adoption of the technical scheme, the utility model discloses following advantage has: the air spring, the shock absorber, the guide arm, the transverse thrust rod and the like can be connected with the front axle only through the lower support, so that connecting pieces and connecting parts are reduced, the structure is simplified, the installation space is saved, and the light weight of a vehicle is facilitated; on the other hand, the transverse distance between the two air springs of the air suspension is not limited by the span of the two frame longitudinal beams, and the transverse distance between the 2 air springs can be increased as much as possible through the lower support frame, particularly the vertical plate arranged in a backward inclining mode, so that the anti-rolling capacity and the transverse stability of the automobile body are improved.
Drawings
The drawings of the present invention are described below.
Fig. 1 is a schematic structural view of the front side of the present invention;
fig. 2 is a schematic structural view of the rear side of the present invention;
fig. 3 is a schematic view of the structure of the present invention.
In the figure: 1. an upper connecting plate; 2. a vertical plate; 3. a lower connecting plate; 4. reinforcing ribs; 5. an air spring; 6. a shock absorber; 7. a guide arm; 8. a lateral thrust rod; 9. a front axle; 11. a first connection hole; 21. a second connection hole; 22. lightening holes; 31. a third connecting hole; 32. an open slot; 33. a fourth connection hole; 34. hinging a lug; 35. and a fifth connecting hole.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The lower bracket of the front axle air suspension of the heavy truck as shown in the attached drawings 1 and 2 comprises an upper connecting plate 1, a vertical plate 2 and a lower connecting plate 3; the upper end of the vertical plate 2 is fixedly connected with the lower side surface of the upper connecting plate 1, the lower end of the vertical plate 2 is fixedly connected with the upper side surface of the lower connecting plate 3, and the upper connecting plate 1 and the lower connecting plate 3 are parallel to each other; a first connecting hole 11 used for being connected with the air spring is formed in the upper side face of the upper connecting plate 1; a second connecting hole 21 used for being connected with the guide arm is formed in the front side face of the vertical plate 2; the upper side surface of the lower connecting plate 3 is provided with third connecting holes 31 for connecting with the lateral thrust rods, the third connecting holes 31 are arranged on the front side of the vertical plate 2, 2 third connecting holes 31 are provided, 2 third connecting holes 31 are distributed on the left and right of the front part of the lower connecting plate, in order to avoid interference with the head parts of the lateral thrust rods, the front part of the lower connecting plate 3 is provided with an open slot 32, the opening direction of the open slot 32 is arranged forwards, and the open slot 32 is arranged between the 2 third connecting holes 31; a fourth connecting hole 33 used for being connected with a front axle is further formed in the upper side face of the lower connecting plate 3, and the fourth connecting hole 33 is formed in the rear side of the vertical plate 2; the left end of the lower connecting plate 3 is provided with a hinged part, the hinged part comprises 2 hinged lugs 34 which are arranged in parallel, the 2 hinged lugs 34 are distributed along the front-back direction, a space is arranged between the 2 hinged lugs 34, and the front side surface of the end part of each hinged lug 34 is provided with a fifth connecting hole 35 which is used for being connected with the shock absorber.
In order to reduce the dead weight of the parts, a lightening hole 22 is arranged in the middle of the vertical plate 2, and the lightening hole 22 is communicated with the open groove 32.
In order to further facilitate the connection strength of the guide arm, there are 4 second connection holes 21, and each two of the 4 second connection holes 21 are in a group, and two groups of second connection holes 21 are symmetrically arranged on two sides of the lightening hole 22.
In order to improve the overall strength of the lower support, reinforcing ribs 4 are arranged among the upper connecting plate 1, the vertical plate 2 and the lower connecting plate 3, and the reinforcing ribs 4 are arranged on the rear side of the vertical plate 2.
In order to maximize the transverse distance between 2 air springs of the air suspension and improve the anti-rolling capacity of the air suspension to the vehicle body, the upper part of the upright plate 2 is inclined towards the rear side.
The lower bracket is a casting part for facilitating the processing and manufacturing and improving the strength of the lower bracket.
As shown in fig. 3, in use, the air spring 5 is connected to the upper connecting plate 1 of the lower bracket through the first connecting hole 11, the lower end of the damper 6 is connected to the lower connecting plate 3 through the fifth connecting hole 35 of the hinge portion, the guide arm 7 is connected to the upright plate 2 through the second connecting hole 21, the lateral thrust rod 8 is connected to the lower connecting plate 3 through the third connecting hole 31, and the lower bracket is connected to the front axle 9 through the fourth connecting hole 33 of the lower connecting plate 3.
Claims (7)
1. The utility model provides a lower carriage of heavy truck front axle air suspension which characterized in that: the lower bracket is used for connecting the front axle and an air spring, a shock absorber, a guide arm and a transverse thrust rod of an air suspension; the lower support comprises an upper connecting plate (1), a vertical plate (2) and a lower connecting plate (3); the upper end of the vertical plate (2) is fixedly connected with the lower side surface of the upper connecting plate (1), the lower end of the vertical plate (2) is fixedly connected with the upper side surface of the lower connecting plate (3), and the upper connecting plate (1) is parallel to the lower connecting plate (3); a first connecting hole (11) used for being connected with the air spring is formed in the upper side face of the upper connecting plate (1); a second connecting hole (21) used for being connected with the guide arm is formed in the front side face of the vertical plate (2); the upper side surface of the lower connecting plate (3) is provided with third connecting holes (31) used for being connected with the transverse thrust rod, the third connecting holes (31) are arranged on the front side of the vertical plate (2), the number of the third connecting holes (31) is 2, the 2 third connecting holes (31) are distributed on the left and right of the front part of the lower connecting plate, the front part of the lower connecting plate (3) is provided with an open slot (32), the opening direction of the open slot (32) is arranged forward, and the open slot (32) is arranged among the 2 third connecting holes (31); a fourth connecting hole (33) used for being connected with a front axle is further formed in the upper side face of the lower connecting plate (3), and the fourth connecting hole (33) is formed in the rear side of the vertical plate (2); the left end of the lower connecting plate (3) is provided with a hinged part, the hinged part comprises 2 hinge lugs (34) which are arranged in parallel, the 2 hinge lugs (34) are distributed along the front-back direction, a distance is arranged between the 2 hinge lugs (34), and a fifth connecting hole (35) used for being connected with the shock absorber is formed in the front side face of the end part of each hinge lug (34).
2. The lower bracket of air suspension of front axle of heavy truck as claimed in claim 1, characterized in that: the middle part of the vertical plate (2) is provided with a lightening hole (22), and the lightening hole (22) is communicated with the open slot (32).
3. The lower bracket of air suspension of front axle of heavy truck as claimed in claim 2, characterized in that: the number of the second connecting holes (21) is 4, every two of the 4 second connecting holes (21) are in one group, and the two groups of the second connecting holes (21) are arranged on two sides of the lightening hole (22) in a bilateral symmetry mode.
4. The lower bracket of the air suspension of the front axle of the heavy truck as claimed in any one of claims 1 to 3, characterized in that: reinforcing ribs (4) are arranged among the upper connecting plate (1), the vertical plate (2) and the lower connecting plate (3), and the reinforcing ribs (4) are arranged on the rear side of the vertical plate (2).
5. The lower bracket of the air suspension of the front axle of the heavy truck as claimed in any one of claims 1 to 3, characterized in that: the upper part of the vertical plate (2) inclines to the rear side.
6. The lower bracket of the air suspension of the front axle of the heavy truck as claimed in any one of claims 1 to 3, characterized in that: the lower bracket is a casting.
7. The lower bracket of air suspension of front axle of heavy truck as claimed in claim 4, characterized in that: the lower bracket is a casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123064195.0U CN216424004U (en) | 2021-12-08 | 2021-12-08 | Lower bracket of front axle air suspension of heavy truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123064195.0U CN216424004U (en) | 2021-12-08 | 2021-12-08 | Lower bracket of front axle air suspension of heavy truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216424004U true CN216424004U (en) | 2022-05-03 |
Family
ID=81342373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123064195.0U Active CN216424004U (en) | 2021-12-08 | 2021-12-08 | Lower bracket of front axle air suspension of heavy truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216424004U (en) |
-
2021
- 2021-12-08 CN CN202123064195.0U patent/CN216424004U/en active Active
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