CN113400884B - Stabilizer bar structure and car - Google Patents
Stabilizer bar structure and car Download PDFInfo
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- CN113400884B CN113400884B CN202110745951.1A CN202110745951A CN113400884B CN 113400884 B CN113400884 B CN 113400884B CN 202110745951 A CN202110745951 A CN 202110745951A CN 113400884 B CN113400884 B CN 113400884B
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- stabilizer bar
- assembly
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- axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a transverse stabilizer bar structure and an automobile, and relates to the field of automobile machinery. The invention provides two bottom plates which are fixedly connected with an axle of an automobile; the U-shaped stabilizer bar assembly comprises a bottom and two arms extending along two ends of the bottom, and the two arms are respectively connected and fixed with the bottom plate; the suspension rod support assemblies are connected with the breadth and the lower wing surface of the automobile longitudinal beam, each suspension rod support assembly comprises a first connecting surface used for being fixedly connected with the breadth of the automobile longitudinal beam and a second connecting surface used for being connected with the lower wing surface of the automobile longitudinal beam, and the second connecting surface vertically extends downwards to form a first connecting part; and one end of each suspender assembly is connected with the first connecting part, and the other end of each suspender assembly is provided with a through hole for sleeving the bottom of the stabilizer bar assembly. The invention effectively improves the integral strength of the automobile and eliminates the potential safety hazard of high-speed running and side tilting of the air suspension automobile type.
Description
Technical Field
The invention relates to the technical field of automobiles and machinery, in particular to a transverse stabilizer bar structure of an air suspension.
Background
In recent years, due to the rise of the cold chain industry, the load capacity of transport vehicles is increased by cold chain transportation, and the requirements for carrying large automobiles and laterally passing through curves are higher. The vehicle type of the driving form 8x2 is a common vehicle type for cold chain transportation.
Taking an 8x2 vehicle model as an example, the vehicle has four bridges in total, wherein the third bridge is a driving shaft. In order to improve the bearing capacity, an air suspension is adopted for a third axle (a driving axle), a liftable air suspension structure is adopted for a rear suspension of a fourth axle, and the structure is special. The air suspension has light dead weight, and the bearing capacity of the whole vehicle is improved; the system has the advantages that excellent smoothness and operation stability are provided, and cargoes are protected more effectively; however, air suspensions do not provide sufficient roll stiffness due to the limited vertical stiffness of the air bags. Practitioners find that the stability and the anti-overturning performance of the automobile during turning are not guaranteed, safety accidents such as overturning are easily caused, and the automobile beam is not enough in structural strength and is easy to crack.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a transverse stabilizer bar structure suitable for lifting a rear axle vehicle-type air suspension, and mainly solves the problem that a vehicle type equipped with the air suspension in the existing vehicle is easy to overturn laterally.
Accordingly, the present invention provides a stabilizer bar structure comprising: a stabilizer bar structure comprising: 1. a stabilizer bar structure comprising: the two bottom plates are fixedly connected with an axle of an automobile; the U-shaped stabilizer bar assembly comprises a bottom and two arms extending along two ends of the bottom, and the two arms are respectively connected and fixed with the two bottom plates; the lifting rod support assemblies are connected with the breadth and the lower wing surface of the automobile longitudinal beam, each lifting rod support assembly comprises a first connecting surface used for being connected and fixed with the breadth of the automobile longitudinal beam and a second connecting surface used for being connected with the lower wing surface of the automobile longitudinal beam, and the second connecting surface partially extends downwards and vertically to form a first connecting part; the suspension rod assembly comprises two suspension rod assemblies, wherein each suspension rod assembly is connected with one suspension rod support assembly, one end of each suspension rod assembly is used for being connected with a first connecting part, and the other end of each suspension rod assembly is provided with a through hole which is used for being sleeved at the bottom of the stabilizer rod assembly.
In some embodiments, the end portions of the two arms of the stabilizer bar assembly are bent to form bent portions, and the bent portions are connected to the base plate.
In some embodiments, the first connecting surface of the boom-support assembly is provided with a first set of bolt holes, and the first connecting surface is fixedly connected with the breadth of the automobile longitudinal beam through the first set of bolt holes.
In some embodiments, the bottom plate includes a main body portion, one end of the main body portion extends outwards to form a second connecting portion, and the second connecting portion includes two bottom plate holes arranged at intervals; the tail ends of the two arms of the stabilizer bar assembly are provided with small holes, the tail ends with the small holes are inserted between the two bottom plate holes, and the two bottom plate holes and the small holes are fixedly connected through bolts.
In some embodiments, the main body portion of the bottom plate is substantially rectangular, and at least four mounting holes are formed in the bottom plate at intervals and used for penetrating through U-shaped bolts to fix the axle.
In some embodiments, the main body has at least one hollow hole in the center.
In some embodiments, the through hole of the boom assembly is provided with four fastening bolt holes at the periphery thereof, and the fastening bolt holes are used for penetrating bolts to press the through hole.
In some embodiments, the first connecting portion is provided with a connecting hole;
and two third bolt holes which are arranged at intervals are arranged on the suspender assembly, the connecting hole (25) is positioned between the two third bolt holes (31), and the connecting hole is connected with the two third bolt holes (31) through bolts.
There is also provided an automobile, comprising: a third axle fitted with an air suspension, said third axle being a drive axle; a fourth axle fitted with an air suspension, said fourth axle being a raisable rear axle; said third and fourth bridges are each fitted with a stabilizer bar arrangement according to claim 1; and the end parts of two arms of the stabilizer bar assembly of the transverse stabilizer bar structure assembled on the fourth bridge are bent to form bending parts, and the bending parts are connected with the corresponding bottom plates.
In some embodiments, the vehicle further comprises: a first bridge equipped with a leaf spring suspension, which is equipped with a stabilizer bar arrangement according to claim 1.
Compared with the prior art, the invention has the following advantages:
(1) The invention discovers that the existing lifting bridge vehicle with the air suspension is additionally provided with the air suspension in order to lift the load capacity of the lifting bridge vehicle. And the roll stiffness of the air suspension is insufficient, so that the automobile has the potential safety hazard of lateral overturning. Accordingly, the present invention provides a stabilizer bar design for an automobile to solve the problems.
(2) The invention also provides a transverse stabilizer bar structure which is fixedly arranged with the breadth and the lower wing surface of the automobile longitudinal beam, so that the integral strength of the automobile is effectively improved.
(3) In the invention, two end parts of the stabilizer bar assembly are adjusted to adapt to an air suspension of an 8x2 vehicle type which can lift a rear axle.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an overall elevation view of a third bridge and a fourth bridge in an embodiment of the present invention;
FIG. 2 is an overall view of a third bridge and a fourth bridge according to an embodiment of the present invention;
FIG. 3 is a schematic view of a stabilizer bar assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view of a boom support assembly in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a boom assembly according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a base plate according to an embodiment of the present invention.
In the figure: 1. a stabilizer bar assembly; 11. a bending section; 2. a boom support assembly; 21. a first set of bolt holes; 22. a first connection face; 23. a second connection face; 24. a first connection portion; 25. connecting holes; 3. a boom assembly; 31. a third bolt hole; 4. a base plate; 41. a main body portion; 42. a second connecting portion; 43. mounting holes; 44. and (6) hollowing out the holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the 8 × 2 vehicle of the present invention includes four axles, i.e., four pairs of wheel axles, wherein the third axle is a driving axle, and the fourth axle is a liftable rear axle. Both the third and fourth bridges are equipped with air suspensions. Both the third and fourth bridges are thus equipped with a stabilizer bar arrangement. In the stabilizer bar structure of the fourth bridge, the ends of the two arms of the stabilizer bar assembly 1 need to be bent to adapt to lifting and lowering.
It will be appreciated that the first axle fitted with leaf spring suspension may also be fitted with a stabilizer bar arrangement in an embodiment of the transverse invention in order to better increase the load carrying capacity and the resistance to overturning.
On the other hand, as shown in fig. 1, 3, 4, 5 and 6, the present invention also provides a stabilizer bar structure comprising: two bottom plates 4, which are used for being fixedly connected with the axle of the automobile; the stabilizer bar assembly 1 is U-shaped and comprises a bottom and two arms extending along two ends of the bottom, and the two arms are respectively connected and fixed with the bottom plate 4; the suspension rod support assemblies 2 are connected with the breadth and the lower wing surface of the automobile longitudinal beam, each suspension rod support assembly 2 comprises a first connecting surface 22 used for being connected and fixed with the breadth of the automobile longitudinal beam and a second connecting surface 23 used for being connected with the lower wing surface of the automobile longitudinal beam, and the second connecting surface 23 extends downwards vertically to form a first connecting part 24; two jib assemblies 3, two 3 one end of jib assembly is used for being connected with first connecting portion 24, is equipped with on the other end to be used for the cover to establish the through-hole of stabilizer bar assembly 1's bottom.
In some embodiments, the two arm end portions of the U-shape of the stabilizer bar assembly 1 are bent again to form the bent portion 11, and the bent portion 11 is connected to the base plate 4. Such solutions are specifically directed to the design of the lifting bridge of the liftable air suspension. As shown in fig. 1 and 2, an air bag for lifting the rear axle is added to the air suspension of the fourth axle. The stabilizer bar assembly 1 with the bending part 11 can be matched with the change of the fourth bridge when the fourth bridge is lifted, and the bending angle of the bending part 11 needs to be designed after checking according to the parameters of each part of the whole vehicle and the relative motion track of each part.
Preferably, the first connecting surface 22 of the boom seat assembly 2 is provided with a first set of bolt holes 21. The first group of bolt holes 21 is used for being fixedly installed with the breadth of the automobile longitudinal beam. The suspender support assembly 2 is simultaneously fixed with the side surface and the lower airfoil surface, which is beneficial to improving the integral strength of the frame assembly, and the fixing holes are concentrated, thereby effectively preventing the frame from cracking.
For the purpose of saving weight and material, the first set of bolt holes 21 may be four raised bolt holes on the first connection surface 22, instead of punching holes on the original first connection surface. The boom support assembly 2 may thus be a cast part with greater strength and precision than conventional stamped parts, and thus is designed for two purposes.
It should be noted that the bottom plate 4 includes a main body portion 41, one end of the main body portion 41 extends outward to form a second connecting portion 42, and the second connecting portion 42 is used for being fixedly connected with the stabilizer bar assembly 1, and the second connecting portion 42 is designed in such a way that the main body portion 41 is fixed to the axle, and if the stabilizer bar assembly 1 is directly connected, the stabilizer bar assembly may interfere with the axle, so that the mounting position of the stabilizer bar assembly 1 can be automatically adjusted according to the shape of the axle after the second connecting portion 42 is installed.
Specifically, the main body portion 41 is a substantially rectangular parallelepiped member, and at least two mounting holes 43 are provided in the rectangular parallelepiped member, and the mounting holes 43 are used for inserting U-bolts.
Preferably, four mounting holes 43 are formed in four corners of the rectangular surface of the bottom plate 4, and the mounting holes 43 are used for penetrating U-shaped bolts to fix the axle.
It should be noted that the main body 41 of the bottom plate 4 shown in fig. 6 has two mounting holes 43 on the same side, and an extension part slightly higher than the rectangular surface of the main body 41 is defined between the two mounting holes 43, and the extension part is used for limiting the vehicle axle and preventing the vehicle axle from moving in the direction when the extension part is in a fixed mounting position with the vehicle axle.
Preferably, the main body 41 is opened with at least one hollow hole 44 at the center, and it can be seen from fig. 6 that the hollow holes 44 are arranged in plurality, which is to reduce the weight of the components for the purpose of lightening the weight of the automobile.
Further, the tail ends of the two arms of the stabilizer bar assembly 1 are provided with small holes, and the tail ends with the small holes are inserted between the two bottom plate holes and are simultaneously connected with the two bottom plate holes through bolts.
It can be understood that four fastening bolt holes are further provided around the through hole of the boom assembly 3, and the fastening bolt holes are used for fixedly connecting the boom assembly 3 and the stabilizer bar assembly 1. The stabilizer bar assembly 1 and the suspender assembly 3 are connected together in a better fixed manner.
In some embodiments, the first connecting portion 24 is provided with a connecting hole 25; the boom assembly 3 is provided with two third bolt holes 31 arranged at intervals, the connecting hole 25 is positioned between the two third bolt holes 31, and the three can be simultaneously connected and fixed together through one bolt.
In view of the above, the present invention has found that the vehicle equipped with the air suspension lift axle, like the 8x2 vehicle, has a problem of lateral overturning, and thus provides a stabilizer bar structure of an air suspension and a vehicle. The special transverse stabilizer bar is additionally arranged on the air suspension of the third axle (driving axle) and the fourth axle (lifting axle) in the four axles of the automobile, so that the problem of insufficient lateral rigidity of the air suspension is solved. Simultaneously, through fixing stabilizer bar in the breadth and the lower wing face department of longeron, strengthened its bulk strength, reduced the risk of frame fracture.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; 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 application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A stabilizer bar structure comprising:
two bottom plates (4) which are used for being fixedly connected with a lifting rear axle provided with an air suspension on an automobile;
the U-shaped stabilizer bar assembly (1) comprises a bottom and two arms extending along two ends of the bottom, the two arms of the stabilizer bar assembly (1) are respectively connected and fixed with the two bottom plates (4), the two arms of the stabilizer bar assembly (1) are positioned below the guide arms of the air suspension, the tail end parts of the two arms of the stabilizer bar assembly (1) are bent towards the direction away from the guide arms of the air suspension to form bent parts (11), and the bent parts (11) correspond to the guide arms of the air suspension in position;
the suspension rod support assemblies (2) are connected with the breadth and the lower wing surface of the automobile longitudinal beam, each suspension rod support assembly (2) comprises a first connecting surface (22) used for being fixedly connected with the breadth of the automobile longitudinal beam and a second connecting surface (23) used for being connected with the lower wing surface of the automobile longitudinal beam, and part of the second connecting surface (23) extends downwards vertically to form a first connecting part (24);
two jib assemblies (3), every jib assembly (3) are connected with a jib support assembly (2), the one end of jib assembly (3) is used for being connected with first connecting portion (24), is equipped with on the other end to be used for the cover to establish the through-hole of stabilizer bar assembly (1) bottom.
2. A stabilizer bar structure as set forth in claim 1, wherein:
a first group of bolt holes (21) are formed in a first connecting surface (22) of the suspender support assembly (2), and the first connecting surface (22) is fixedly connected with the breadth of the automobile longitudinal beam through the first group of bolt holes (21).
3. A stabilizer bar structure as set forth in claim 1, wherein:
the bottom plate (4) comprises a main body part (41), one end of the main body part (41) extends outwards to form a second connecting part (42), and the second connecting part (42) comprises two bottom plate holes arranged at intervals;
the tail ends of two arms of the stabilizer bar assembly (1) are provided with small holes, the tail ends with the small holes are inserted between the two bottom plate holes, and the two bottom plate holes are fixedly connected with the small holes through bolts.
4. A stabilizer bar structure as set forth in claim 3, wherein:
the whole main part (41) of bottom plate (4) is roughly the cuboid, interval is equipped with four at least mounting holes (43) on bottom plate (4), mounting hole (43) are used for wearing to establish U type bolt with fixed axle.
5. A stabilizer bar structure as set forth in claim 3, wherein:
the center of the main body part (41) is provided with at least one hollow hole (44).
6. A stabilizer bar structure as set forth in claim 1, wherein:
the periphery of the through hole of the suspender assembly (3) is provided with four fastening bolt holes, and the fastening bolt holes are used for penetrating bolts to compress the through hole.
7. A stabilizer bar structure as set forth in claim 1, wherein:
a connecting hole (25) is formed in the first connecting part (24);
and two third bolt holes (31) arranged at intervals are formed in the suspender assembly (3), the connecting hole (25) is positioned between the two third bolt holes (31), and the connecting hole (25) is in bolt connection with the two third bolt holes (31).
8. An automobile, comprising:
a third axle fitted with an air suspension, said third axle being a drive axle;
a fourth axle fitted with an air suspension, said fourth axle being a raisable rear axle;
the fourth bridge is equipped with a stabilizer bar structure according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745951.1A CN113400884B (en) | 2021-07-01 | 2021-07-01 | Stabilizer bar structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745951.1A CN113400884B (en) | 2021-07-01 | 2021-07-01 | Stabilizer bar structure and car |
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| Publication Number | Publication Date |
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| CN113400884A CN113400884A (en) | 2021-09-17 |
| CN113400884B true CN113400884B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110745951.1A Active CN113400884B (en) | 2021-07-01 | 2021-07-01 | Stabilizer bar structure and car |
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| CN (1) | CN113400884B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879065B (en) * | 2021-10-27 | 2024-04-09 | 一汽解放汽车有限公司 | Stabilizer bar davit and vehicle |
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| CN205292192U (en) * | 2016-01-22 | 2016-06-08 | 安徽江淮汽车股份有限公司 | Back stabilizer bar system |
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| CN206394383U (en) * | 2016-12-19 | 2017-08-11 | 上汽依维柯红岩商用车有限公司 | A kind of horizontal stabilizer bar structure of air suspension |
| CN207579503U (en) * | 2017-11-23 | 2018-07-06 | 中国第一汽车股份有限公司 | A kind of lightweight stabiliser bar suspension arm support |
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| US20040150142A1 (en) * | 2003-02-05 | 2004-08-05 | Warinner Derek K. | Steering beam axle air spring suspension |
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|---|---|---|---|---|
| CN2621965Y (en) * | 2003-05-28 | 2004-06-30 | 上海科曼车辆部件系统有限公司 | Automotive all-air rear suspension structure |
| CN202278948U (en) * | 2011-11-02 | 2012-06-20 | 东风汽车有限公司 | Car stabilizer bar assembly |
| CN202641304U (en) * | 2012-06-13 | 2013-01-02 | 上汽依维柯红岩商用车有限公司 | Front horizontal stabilizer installation structure for heavy automobile |
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| CN113400884A (en) | 2021-09-17 |
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