CN211943548U - Cab suspension structure - Google Patents
Cab suspension structure Download PDFInfo
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- CN211943548U CN211943548U CN202020579886.0U CN202020579886U CN211943548U CN 211943548 U CN211943548 U CN 211943548U CN 202020579886 U CN202020579886 U CN 202020579886U CN 211943548 U CN211943548 U CN 211943548U
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- swing arm
- connecting portion
- suspension
- cab
- connecting piece
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Abstract
The utility model discloses a cab suspension structure, which comprises a front suspension structure and a rear suspension structure of a cab, wherein the front suspension structure comprises a front suspension connecting piece, a swing arm support, a front suspension bracket and a front air spring; preceding overhang connecting piece comprises preceding bounding wall connecting portion and front longitudinal beam connecting portion two parts of a body structure, preceding bounding wall connecting portion and the preceding bounding wall rigid coupling of driver's cabin, the longeron rigid coupling of front longitudinal beam connecting portion and driver's cabin, the swing arm front end sets up the swing arm connecting portion, the fixed connection stabilizer bar between the swing arm connecting portion of both sides, the swing arm connecting portion rotates with preceding overhang connecting piece to be connected, set up spacing fixture block on the swing arm connecting portion, preceding overhang connecting piece inboard sets up spacing draw-in groove, after the driver's cabin upset targets in place, spacing fixture block card goes into spacing draw-in groove, the swing. The utility model discloses a driver's cabin suspension structure can form the upset spacing, prevents that the driver's cabin from falling. And when collision occurs, good crumple energy absorption effect can be generated.
Description
Technical Field
The utility model belongs to the technical field of the driver's cabin suspension, especially, relate to a driver's cabin suspension structure.
Background
With the development of heavy truck technology, higher requirements are provided for the comfort, safety and reliability of the whole truck. The suspension function of the cab not only supports the cab, but also plays a vital role in vibration isolation, collision and driving safety of the whole vehicle. However, the existing cab suspension structure is unstable in connection with a cab, lacks a limit function after the cab is turned in place, has poor crumple energy absorption effect, and cannot meet the requirements of safety and stability.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the related art, the utility model provides a cab suspension structure, which comprises a front suspension structure and a rear suspension structure of a cab, wherein the front suspension structure comprises a front suspension connecting piece, a swing arm support, a front suspension bracket and a front air spring; the rear end of the swing arm is rotatably connected with the upper end of the swing arm support, the upper end of the front air spring is rotatably connected with the front suspension connecting piece, the lower end of the front air spring is rotatably connected with the front suspension bracket, and the front suspension bracket and the swing arm support are both fixed on a front end accessory of the frame; the front overhang connecting piece comprises preceding bounding wall connecting portion and the front longitudinal beam connecting portion two parts of a body structure, preceding bounding wall connecting portion and the preceding bounding wall rigid coupling of driver's cabin, the longeron rigid coupling of front longitudinal beam connecting portion and driver's cabin, the swing arm front end sets up swing arm connecting portion, both sides fixed connection stabilizer bar between the swing arm connecting portion, swing arm connecting portion with the front overhang connecting piece rotates to be connected, set up spacing fixture block on the swing arm connecting portion, the front overhang connecting piece inboard sets up spacing draw-in groove, after the driver's cabin upset target in place, spacing fixture block card is gone into spacing draw-in groove.
Optionally, the rear suspension structure comprises a portal frame, a hydraulic lock, a rear suspension connecting piece and a rear air spring, a front spring rear support is fixed on the frame, two sides of the portal frame are fixedly connected with the front spring rear support, the inner side of the hydraulic lock is rotatably connected with the portal frame, the upper end of the rear air spring is rotatably connected with the hydraulic lock, the lower end of the rear air spring is rotatably connected with the front spring rear support, the upper end of the hydraulic lock is detachably connected onto the rear suspension connecting piece, and the rear suspension connecting piece is fixed at the lower end of the cab.
Optionally, a rear longitudinal beam connecting piece and a rear coaming connecting piece are arranged on the rear overhang connecting piece, the rear longitudinal beam connecting piece is fixedly connected with a longitudinal beam of the cab, the rear coaming connecting piece is fixedly connected with a rear coaming of the cab, and the rear longitudinal beam connecting piece and the rear coaming connecting piece are fixedly connected through bolts.
Optionally, one of the rear air springs is an integrated height valve type air spring, and the other rear air spring is a non-integrated air spring.
Optionally, the swing arm support is a collapsible energy-absorbing structure.
Optionally, the swing arm support is a waist-shaped structure with a small upper part and a large lower part, a waist is formed in the middle of the rear end of the swing arm support, and a waist-shaped hole is formed in the middle of the swing arm support.
Optionally, the front air spring is an integrated height valve type air spring.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a driver's cabin suspension structure, through the preceding suspension connecting piece that sets up rational structure to set up spacing draw-in groove in the front on the suspension connecting piece, set up spacing fixture block at the swing arm front end, make when the driver's cabin upset back, because of the driver's cabin that hydro-cylinder became invalid or other factors lead to has the risk of falling, this driver's cabin suspension structure can form the upset spacing, prevents that the driver's cabin from falling.
When colliding, the swing arm support receives backward impact, because it is waist type structure to formed the waist at swing arm support rear end middle part, consequently it can take place to warp here, and the driver's cabin moves backward, produces good crumple energy-absorbing effect, and in addition, swing arm support middle part sets up waist type hole, can further assist this swing arm support to produce when colliding and warp, promotes the driver's cabin security performance.
Drawings
Fig. 1 is a schematic view of the overall structure of the suspension structure of the cab provided by the present invention;
fig. 2 is an exploded view of the front suspension structure provided by the present invention;
fig. 3 is an exploded view of the rear suspension structure provided by the present invention;
fig. 4 is a schematic view of a connection structure between a front suspension connection member and a cab provided by the present invention;
fig. 5 is a schematic view of a connection structure between the rear suspension connection member and the cab provided by the present invention;
fig. 6 is a schematic structural view of a swing arm support provided by the present invention;
FIG. 7 is a schematic view of a limiting structure between the front suspension connecting member and the swing arm after the cab is turned over;
fig. 8 is a sectional view of a limiting structure between the front suspension connecting piece and the swing arm after the cab is turned to the position.
Description of the reference numerals
Front overhang connecting piece 1, preceding bounding wall connecting portion 101, front longitudinal member connecting portion 102, spacing draw-in groove 103, swing arm 2, swing arm connecting portion 201, spacing fixture block 202, stabilizer bar 3, swing arm support 4, waist 401, waist type hole 402, front overhang support 5, front air spring 6, portal frame 7, hydraulic lock 8, rear overhang connecting piece 9, rear longitudinal member connecting piece 901, rear coaming connecting piece 902, rear air spring 10, frame 11, front end annex 111, front spring after-poppet 12, rear coaming 131, longeron 132, preceding bounding wall 133.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solution of the present invention will be explained with reference to the specific embodiments.
As shown in fig. 1-8, a cab suspension structure comprises a front suspension structure and a rear suspension structure of a cab, wherein the front suspension structure comprises a front suspension connecting piece 1, a swing arm 2, a swing arm support 4, a front suspension bracket 5 and a front air spring 6; the rear end of the swing arm 2 is rotatably connected with the upper end of the swing arm support 4, the upper end of the front air spring 6 is rotatably connected with the front suspension connecting piece 1, the lower end of the front air spring 6 is rotatably connected with the front suspension bracket 5, and the front suspension bracket 5 and the swing arm support 4 are both fixed on a front end accessory 111 of the frame 11; preceding overhang connecting piece 1 comprises preceding bounding wall connecting portion 101 and front longitudinal beam connecting portion 102 two parts of a body structure, preceding bounding wall connecting portion 101 and the preceding bounding wall 133 rigid coupling of driver's cabin, front longitudinal beam connecting portion 102 and the longeron 132 rigid coupling of driver's cabin, 2 front ends in swing arm set up swing arm connecting portion 201, both sides fixed connection stabilizer bar 3 between the swing arm connecting portion 201, swing arm connecting portion 201 with preceding overhang connecting piece 1 rotates to be connected, set up spacing fixture block 202 on the swing arm connecting portion 201, 1 inboard in front overhang connecting piece sets up spacing draw-in groove 103, after the driver's cabin upset targets in place, spacing fixture block 202 card is gone into spacing draw-in groove 103.
The rear suspension structure comprises a portal frame 7, a hydraulic lock 8, a rear suspension connecting piece 9 and a rear air spring 10, a front spring rear support 12 is fixed on the frame 11, two sides of the portal frame 7 are fixedly connected with the front spring rear support 12, the inner side of the hydraulic lock 8 is rotatably connected with the portal frame 7, the upper end of the rear air spring 10 is rotatably connected with the hydraulic lock 8, the lower end of the rear air spring is rotatably connected with the front spring rear support 12, the upper end of the hydraulic lock 8 is detachably connected onto the rear suspension connecting piece 9, and the rear suspension connecting piece 9 is fixed at the lower end of a cab.
The rear overhang connecting piece 9 is provided with a rear longitudinal beam connecting piece 901 and a rear coaming connecting piece 902, the rear longitudinal beam connecting piece 901 is fixedly connected with a longitudinal beam 132 of the cab, the rear coaming connecting piece 902 is fixedly connected with a rear coaming 131 of the cab, and the rear longitudinal beam connecting piece 901 and the rear coaming connecting piece 902 are fixedly connected through bolts.
The application provides a driver's cabin suspension structure, through the preceding suspension connecting piece 1 that sets up rational structure to set up spacing draw-in groove 103 on preceding suspension connecting piece 1, set up spacing fixture block 202 at 2 front ends of swing arm, make when the driver's cabin upset back, because of the driver's cabin that hydro-cylinder became invalid or other factors lead to has when falling the risk, this driver's cabin suspension structure can form the upset spacing, prevents that the driver's cabin from falling. (when the driver's cabin overturns, the hydraulic lock 8 of the rear overhang structure is disengaged from the rear overhang connecting piece 9 of the upper end, at this moment, the driver's cabin overturns under the effect of the hydraulic overturning system, namely the driver's cabin overturns along the rotating shaft between the front overhang connecting piece 1 and the swing arm 2. when the driver's cabin overturns in place, as shown in figures 7 and 8, the limit clamping block 202 is just clamped into the limit clamping groove 103 to form the turnover limit structure of the driver's cabin, thereby avoiding the problem that the driver's cabin falls off due to failure of an oil cylinder or
In addition, the front suspension and the rear suspension of the cab suspension structure have good vibration isolation effect;
the front suspension connecting piece 1 and the rear suspension connecting piece 9 arranged by the cab suspension structure are fixing pieces, so that the suspension structure and the longitudinal beam and the front and rear enclosing plates of the cab can be stably connected by a plurality of bolt pieces, and the overall safety performance is improved.
The air springs of the heavy truck only need three height valves for height adjustment, so the front air springs 6 adopt integrated height valve type air springs, one of the rear air springs 10 adopts an integrated height valve type air spring, and the other air spring adopts a non-integrated air spring;
in order to enable the cab to have a good crumpling energy absorption effect when the cab is collided, the swing arm support 4 is of a crumpling energy absorption structure; specifically, the swing arm support 4 is a waist-shaped structure with a small upper part and a large lower part, a waist 401 is formed in the middle of the rear end of the swing arm support 4, and a waist-shaped hole 402 is formed in the middle of the swing arm support 4.
When colliding, the swing arm support 4 receives the impact of backward, because it is waist type structure to have formed waist 401 in swing arm support 4 rear end middle part, consequently it can take place to warp here, and the driver's cabin moves backward, produces good crumple energy-absorbing effect, and promotes the security performance, in addition, swing arm support 4 middle part sets up waist type hole 402, can further assist this swing arm support 4 to produce when colliding and warp.
The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.
Claims (7)
1. A cab suspension structure comprises a front suspension structure and a rear suspension structure of a cab, and is characterized in that the front suspension structure comprises a front suspension connecting piece (1), a swing arm (2), a swing arm support (4), a front suspension bracket (5) and a front air spring (6); the rear end of the swing arm (2) is rotatably connected with the upper end of the swing arm support (4), the upper end of the front air spring (6) is rotatably connected with the front suspension connecting piece (1), the lower end of the front air spring (6) is rotatably connected with the front suspension bracket (5), and the front suspension bracket (5) and the swing arm support (4) are both fixed on a front end accessory (111) of the frame (11); preceding overhang connecting piece (1) comprises preceding bounding wall connecting portion (101) and front longitudinal member connecting portion (102) two parts of a body structure, preceding bounding wall connecting portion (101) and driver's cabin preceding bounding wall (133) rigid coupling, front longitudinal member connecting portion (102) and driver's cabin longeron (132) rigid coupling, swing arm (2) front end sets up swing arm connecting portion (201), both sides fixed connection stabilizer bar (3) between swing arm connecting portion (201), swing arm connecting portion (201) with preceding overhang connecting piece (1) rotates and is connected, set up spacing fixture block (202) on swing arm connecting portion (201), preceding overhang connecting piece (1) inboard sets up spacing draw-in groove (103), after the driver's cabin upset targets in place, spacing fixture block (202) card is gone into spacing draw-in groove (103).
2. The cab suspension structure according to claim 1, wherein the rear suspension structure comprises a portal frame (7), a hydraulic lock (8), a rear suspension connector (9) and a rear air spring (10), a front spring rear bracket (12) is fixed on the frame (11), two sides of the portal frame (7) are fixedly connected with the front spring rear bracket (12), the inner side of the hydraulic lock (8) is rotatably connected with the portal frame (7), the upper end of the rear air spring (10) is rotatably connected with the hydraulic lock (8), the lower end of the rear air spring (10) is rotatably connected with the front spring rear bracket (12), the upper end of the hydraulic lock (8) is detachably connected with the rear suspension connector (9), and the rear suspension connector (9) is fixed at the lower end of the cab.
3. The cab suspension structure according to claim 2, wherein a rear longitudinal beam connector (901) and a rear panel connector (902) are provided on the rear suspension connector (9), the rear longitudinal beam connector (901) is fixedly connected with a longitudinal beam (132) of the cab, the rear panel connector (902) is fixedly connected with a rear panel (131) of the cab, and the rear longitudinal beam connector (901) and the rear panel connector (902) are fixedly connected through bolts.
4. Cab suspension according to claim 2, wherein one of the rear air springs (10) is an integrated height valve air spring and the other is a non-integrated air spring.
5. A cab suspension according to claim 1, wherein the swing arm mount (4) is a collapsible energy absorbing structure.
6. The cab suspension structure according to claim 5, wherein the swing arm support (4) is a waist-shaped structure with a small top and a large bottom, a waist portion (401) is formed in the middle of the rear end of the swing arm support (4), and a waist-shaped hole (402) is formed in the middle of the swing arm support (4).
7. Cab suspension according to claim 1, wherein the front air spring (6) is an integrated height valve air spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579886.0U CN211943548U (en) | 2020-04-17 | 2020-04-17 | Cab suspension structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579886.0U CN211943548U (en) | 2020-04-17 | 2020-04-17 | Cab suspension structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211943548U true CN211943548U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020579886.0U Active CN211943548U (en) | 2020-04-17 | 2020-04-17 | Cab suspension structure |
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| CN (1) | CN211943548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678078A (en) * | 2020-12-30 | 2021-04-20 | 浙江吉利控股集团有限公司 | Vehicle structure optimization method, vehicle structure and vehicle |
| CN114889709A (en) * | 2022-06-20 | 2022-08-12 | 安徽江淮汽车集团股份有限公司 | Auxiliary safety structure for cab turning |
-
2020
- 2020-04-17 CN CN202020579886.0U patent/CN211943548U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678078A (en) * | 2020-12-30 | 2021-04-20 | 浙江吉利控股集团有限公司 | Vehicle structure optimization method, vehicle structure and vehicle |
| CN114889709A (en) * | 2022-06-20 | 2022-08-12 | 安徽江淮汽车集团股份有限公司 | Auxiliary safety structure for cab turning |
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