CN218839091U - Double-airbag suspension and cargo vehicle with same - Google Patents
Double-airbag suspension and cargo vehicle with same Download PDFInfo
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- CN218839091U CN218839091U CN202222970974.5U CN202222970974U CN218839091U CN 218839091 U CN218839091 U CN 218839091U CN 202222970974 U CN202222970974 U CN 202222970974U CN 218839091 U CN218839091 U CN 218839091U
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- suspension cross
- connecting frame
- air bag
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model discloses a two gasbag suspensions and cargo vehicle that has it, two gasbag suspensions include: the rear suspension cross beam is a tubular beam and is suitable for being installed on the frame; the two ends of the front balance thrust rod are respectively arranged on the front side of the rear suspension frame beam, and the front balance thrust rod is suitable for being connected to a first rear axle; the two ends of the rear balance thrust rod are respectively arranged at the rear side of the rear suspension frame beam, and the rear balance thrust rod is suitable for being connected to a second rear axle; the guide arm connecting frames are arranged at two ends of the rear suspension frame cross beam and are arranged with the frame; the front guide arm is arranged on the front side of the guide arm connecting frame; and the rear guide arm is arranged at the rear side of the guide arm connecting frame. According to the utility model discloses two gasbag suspensions have advantages such as simple structure, weight and cost are lower, save space.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a two gasbag suspensions and vehicle that has it.
Background
The cargo vehicles in the related art are classified into a two-bag suspension and a four-bag suspension according to the number of single rear axle bags. For a single rear axle dual-airbag suspension, two airbags are supported between the rear axle and the frame, and the airbags are distributed on the left side and the right side of the vehicle. For a vehicle with two rear axles and two airbags in each rear axle, the two rear axles are arranged along the front and the rear, each rear axle needs to be provided with a thrust rod and a guide arm through an independent guide arm connecting frame, the guide arm connecting frame needs to be provided with a complicated mounting structure for mounting the thrust rod, so that a plurality of parts are caused, the whole vehicle is heavy in weight and high in cost, and a large vehicle frame space is occupied.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a dual-airbag suspension, which has the advantages of simple structure, low weight and cost, and space saving.
The utility model also provides a vehicle of two gasbag suspensions.
To achieve the above object, according to an embodiment of the first aspect of the present invention, there is provided a dual-airbag suspension, including: the rear suspension cross beam is a tubular beam and is suitable for being mounted on a frame; the two ends of the front balance thrust rod are respectively installed on the front side of the rear suspension crossbeam, and the front balance thrust rod is suitable for being connected to a first rear axle; the two ends of the rear balance thrust rod are respectively arranged at the rear side of the rear suspension crossbeam, and the rear balance thrust rod is suitable for being connected to a second rear axle; the guide arm connecting frames are mounted at two ends of the rear suspension cross beam and are mounted with the frame; the front guide arm is arranged on the front side of the guide arm connecting frame, and the left side and the right side of the first rear axle of the front guide arm are respectively provided with an air bag; and the rear guide arm is arranged at the rear side of the guide arm connecting frame, and the left side and the right side of the second rear axle of the rear guide arm are respectively provided with an air bag.
According to the utility model discloses two gasbag suspensions have advantages such as simple structure, weight and cost are lower, save space.
According to some embodiments of the utility model, preceding balanced distance rod with back balanced distance rod symmetry set up in both sides around the rear suspension crossbeam.
Further, the front balancing thrust rod comprises a left front rod part and a right front rod part, the left front rod part is connected to one end of the rear suspension cross beam, the right front rod part is connected to the other end of the rear suspension cross beam, and the left front rod part and the right front rod part are connected at the front side of the rear suspension cross beam and are hinged to the first rear axle in a connection mode; the rear balance thrust rod comprises a left rear rod part and a right rear rod part, the left rear rod part is connected to one end of the rear suspension cross beam, the right rear rod part is connected to the other end of the rear suspension cross beam, and the left rear rod part and the right rear rod part are connected to the rear side of the rear suspension cross beam and hinged to the second rear axle at the connection position.
According to some embodiments of the present invention, the guide arm link includes: the left guide arm connecting frame is arranged at one end of the rear suspension cross beam, one front guide arm is arranged on the front side of the left guide arm connecting frame, and the rear side of the left guide arm connecting frame is arranged on one rear guide arm; the right guide arm connecting frame is mounted at the other end of the rear suspension cross beam, another front guide arm is mounted on the front side of the right guide arm connecting frame, and another rear guide arm is mounted on the rear side of the right guide arm connecting frame; wherein each of the front and rear guide arms is mounted with an air bag.
According to some embodiments of the utility model, preceding guiding arm with back guiding arm symmetry set up in both sides around the back suspension crossbeam.
According to some embodiments of the present invention, the dual-airbag suspension further comprises: a plurality of bridge supports, one of said bridge supports being mounted to each of said front and rear guide arms, said bridge supports mounted to said front guide arms being adapted to support a first front bridge; the axle support seat mounted to the rear guide arm is adapted to support a second rear axle.
According to some embodiments of the present invention, the dual-airbag suspension further comprises: the shock absorbers are suitable for being connected to a frame, wherein the shock absorbers face to one side of an air bag of the front guide arm and the shock absorbers face to one side of an air bag of the rear guide arm, and the bridge supporting seats are installed on the front guide arm.
According to some embodiments of the invention, the rear suspension cross member comprises: a middle section configured as a circular tube; the first transition section is connected to one end of the middle section and gradually increases in area towards the outer contour of the cross section in the direction away from the middle section, and the left front rod part and the left rear rod part are mounted on the first transition section; the second transition section is connected to the other end of the middle section and gradually increases in area of the outer profile of the cross section in the direction away from the middle section, and the right front rod part and the right rear rod part are mounted on the second transition section.
According to some embodiments of the utility model, the both ends of back suspension crossbeam are constructed there is first mounting panel, left side guiding arm link with right side guiding arm link has all constructed the second mounting panel, left side guiding arm link the second mounting panel install in back suspension crossbeam one end first mounting panel, right side guiding arm link the second mounting panel install in the back suspension crossbeam other end the second mounting panel.
According to the utility model discloses embodiment of second aspect provides a cargo vehicle, include: according to the utility model discloses two gasbag suspensions of first aspect embodiment.
According to the utility model discloses cargo vehicle is through utilizing according to the utility model discloses the two gasbag suspensions of first aspect embodiment have advantages such as simple structure, weight and cost are lower, save space.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a prior art dual air bag suspension;
fig. 2 is a schematic structural view of a dual-bag suspension according to an embodiment of the present invention;
fig. 3 is a top view of a dual air bag suspension according to an embodiment of the present invention;
fig. 4 is a side view of a dual air bag suspension according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the front balance thrust rod and the rear balance thrust rod mounted on the rear suspension cross beam according to the embodiment of the present invention.
Reference numerals are as follows:
the prior art is as follows:
double-airbag suspension 1', front balance thrust rod 200', rear balance thrust rod 300 'and guide arm connecting frame 400'
The utility model discloses:
a double-air-bag suspension 1, a rear suspension crossbeam 100, a front balance thrust rod 200, a rear balance thrust rod 300,
A guide arm connecting frame 400, a front guide arm 500, a rear guide arm 600, an air bag 700,
A left guide arm connecting frame 410, a right guide arm connecting frame 420, a left front rod part 210, a right front rod part 220,
A left rear rod part 310, a right rear rod part 320, a bridge supporting seat 800, a shock absorber 900, a middle section 110,
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "on", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is higher in level than the second feature.
A dual-bag suspension 1 according to an embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 2 to 5, the dual-airbag suspension 1 according to the embodiment of the present invention includes a rear suspension cross member 100, a front balanced thrust rod 200, a rear balanced thrust rod 300, a guide arm connecting frame 400, a front guide arm 500, and a rear guide arm 600.
The rear suspension cross member 100 is adapted to be mounted to a vehicle frame. Both ends of the front balance thrust rod 200 are respectively installed at the front side of the rear suspension cross member 100, and the front balance thrust rod 200 is adapted to be connected to a first rear axle (not shown). Both ends of the rear balance thrust rod 300 are respectively installed at the rear side of the rear suspension cross member 100, and the rear balance thrust rod 300 is adapted to be connected to a second rear axle (not shown). The guide arm attachment frames 400 are installed at both ends of the rear suspension cross member 100 and are installed with the vehicle frame. The front guide arm 500 is installed at the front side of the guide arm link 400, and one air bag 700 is installed at each of the left and right sides of the first rear axle in the front guide arm 500. The rear guide arm 600 is installed at the rear side of the guide arm link 400, and the rear guide arm 600 has one air bag 700 installed at each of the left and right sides of the second rear axle.
It should be noted that the dual-airbag suspension 1 refers to a suspension having 2 airbags 700 per axle, and not the entire suspension having only 2 airbags. The utility model discloses a two gasbag suspension 1's preceding balanced distance rod 200's front side is connected in first rear axle, and the rear side of back balanced distance rod 300 is connected in second rear axle. The first rear axle and the second rear axle are each damped by 2 airbags 700. The airbag 700 for damping the first rear axle is installed between the frame and the front guide arm 500, and the airbag 700 for damping the second rear axle is installed between the frame and the rear guide arm 600.
According to the utility model discloses two gasbag suspensions 1 constructs rear suspension crossbeam 100 through two gasbag suspensions 1, and balanced distance rod 200 before installing respectively and balanced distance rod 300 after both sides around rear suspension crossbeam 100, and preceding balanced distance rod 200 can install to a department with balanced distance rod 300 after. As shown in fig. 1, the front balanced thrust rod 200' and the rear balanced thrust rod 300' of the dual-airbag suspension 1' in the prior art are respectively mounted on separate guide arm connecting frames 400', so that the number of the guide arm connecting frames 400' is large, and the occupied space is large. The utility model discloses two gasbag suspension 1 compares two gasbag suspensions 1 among the prior art, through balanced distance rod 200 and balanced distance rod 300 in the front of the installation of rear suspension crossbeam 100, need not to set up numerous leading arm link 400, has reduced the use quantity of leading arm link 400 to the cost is reduced has reduced whole car weight, and reduces the space that occupies the frame. In addition, the front balance thrust rod 200 and the rear balance thrust rod 300 are mounted on the rear suspension beam 100, and the guide arm connecting frame 400 does not need to be provided with a mounting seat structure for mounting the front balance thrust rod 200 and the rear balance thrust rod 300, so that the structure of the guide arm connecting frame 400 is simplified, a plurality of sets of bolts and nuts are reduced, and the assembly process is simplified. Moreover, the front guide arm 500 and the rear guide arm 600 are installed through the rear suspension cross member 100, so that the dual-airbag suspension 1 connecting the first rear axle and the second rear axle forms an integral structure, the front guide arm 500 and the rear guide arm 600 are both connected to the guide arm connecting frame 400, the number of the guide arm connecting frames 400 is reduced, and the assembling steps are simplified.
Further, for the vehicle with the dual-airbag suspension 1, the left side and the right side of the front guide arm 500 are respectively provided with the airbag 700, so that the stress of the first rear axle is transmitted to the vehicle frame to achieve the shock absorption of the cavity airbag 700, the front guide arm 500 and the rear guide arm 600 are both connected with the vehicle frame through the same guide arm connecting frame 400, the space occupied by the guide arm connecting frame 400 is reduced, the left side and the right side of the rear guide arm 600 are respectively provided with the airbag 700, and the shock absorption of the airbag 700 is achieved in the process of transmitting the vibration of the second rear axle to the vehicle frame. The first axle has enough space to be disposed between the airbag 700 on the front side and the guide arm attaching bracket 400, and the second rear axle has enough space to be disposed between the airbag 700 on the rear side and the guide arm attaching bracket 400, and the space for disposing the axle is sufficient.
Therefore, the double-airbag suspension 1 vehicle according to the embodiment of the present invention has the advantages of simple structure, low weight and cost, space saving, etc.
In some embodiments of the present invention, as shown in fig. 3 and 5, the front balance thrust rod 200 and the rear balance thrust rod 300 are symmetrically disposed on the front and rear sides of the rear suspension cross member 100.
Further, as shown in fig. 5, the front balancing thrust rod 200 includes a left front rod portion 210 and a right front rod portion 220, the left front rod portion 210 is connected to one end of the rear suspension cross member 100, the right front rod portion 220 is connected to the other end of the rear suspension cross member 100, and the left front rod portion 210 and the right front rod portion 220 are connected to the front side of the rear suspension cross member 100 and are connected to be hinged to the first rear axle. The rear balanced thrust rod 300 includes a left rear rod portion 310 and a right rear rod portion 320, the left rear rod portion 310 is connected to one end of the rear suspension cross member 100, the right rear rod portion 320 is connected to the other end of the rear suspension cross member 100, and the left rear rod portion 310 and the right rear rod portion 320 are connected to the rear side of the rear suspension cross member 100 and are hinged to the second rear axle at the connection point.
Specifically, each of the front balance thrust rod 200 and the rear balance thrust rod 300 is configured as a V-shaped thrust rod, the left front rod portion 210 and the right front rod portion 220 are connected to form a V-shape, and the left rear rod portion 310 and the right rear rod portion 320 are connected to form a V-shape. The left front rod portion 210, the right front rod portion 220, the left rear rod portion 310 and the right rear rod portion 320 are equal in length, so that a diamond structure is formed together, the left front rod portion 210, the right front rod portion 220 and the rear suspension cross beam 100 can form a triangular stable structure, and the left rear rod portion 310, the right rear rod portion 320 and the rear suspension cross beam 100 can form a triangular stable structure. The joint of the left front rod part 210 and the right front rod part 220 is hinged to the first rear axle, so that the force applied to the first rear axle is transmitted to the frame from the left front rod part 210 and the right front rod part 220 respectively, and the joint of the left rear rod part 310 and the right rear rod part 320 is hinged to the second rear axle, so that the force applied to the second rear axle is transmitted to the frame from the left rear rod part 310 and the right rear rod part 320 respectively. The transmission of the forces of the first rear axle and the second rear axle is smoother, and the stability is higher.
In some embodiments of the present invention, as shown in fig. 2, the guiding arm connecting frame 400 includes a left guiding arm connecting frame 410 and a right guiding arm connecting frame 420.
The left guide arm connecting frame 410 is installed at one end of the rear suspension cross member 100, and a front guide arm 500 is installed at the front side of the left guide arm connecting frame 410 and a rear guide arm 600 is installed at the rear side thereof. The right guide arm link 420 is mounted to the other end of the rear suspension cross member 100, and the other front guide arm 500 is mounted to the front side of the right guide arm link 420 and the other rear guide arm 600 is mounted to the rear side thereof. Wherein one air bag 700 is mounted to each of the front guide arms 500 and each of the rear guide arms 600.
The left guide arm connecting frame 410 and the right guide arm connecting frame 420 are respectively installed below the rear suspension cross beam 100, the front side of the left guide arm connecting frame 410 is hinged with a front guide arm 500, the rear side of the left guide arm connecting frame 410 is hinged with a rear guide arm 600, the front side of the right guide arm connecting frame 420 is hinged with a front guide arm 500, the rear side of the right guide arm connecting frame 420 is hinged with a rear guide arm 600, the front guide arm 500 bears a first rear axle, when the rear guide arm 600 bears a second rear axle, a certain floating space can be generated relative to the guide arm connecting frame 400, each front guide arm 500 and each rear guide arm 600 are respectively provided with an air bag 700, the front guide arm 500 and the rear guide arm 600 can adapt to the deformation of the air bags 700 in the rotating process of the guide arm connecting frame 400, and therefore a good shock absorption effect is achieved for the first rear axle and the second rear axle.
In some embodiments of the present invention, as shown in fig. 3 and 4, the front guide arm 500 and the rear guide arm 600 are symmetrically disposed at the front and rear sides of the rear suspension cross member 100. From this, whole double-bag suspension 1 all can be around rear suspension crossbeam 100 front and back symmetry setting, and first rear axle and second rear axle are installed in the front and back both sides, and stability is higher.
In some embodiments of the present invention, as shown in fig. 2, the dual-airbag suspension 1 further includes a plurality of bridge supporting seats 800, one bridge supporting seat 800 is installed on each front guiding arm 500 and each rear guiding arm 600, the bridge supporting seat 800 installed on the front guiding arm 500 is suitable for supporting a first front axle, and the bridge supporting seat 800 installed on the rear guiding arm 600 is suitable for supporting a second rear axle.
The front guide arm 500 supports the first rear axle through the bridge support 800 thereon so that the front guide arm 500 can swing around the guide arm link 400 along with the first rear axle, and the rear guide arm 600 supports the second rear axle through the bridge support 800 thereon so that the rear guide arm 600 can swing around the guide arm link 400 along with the second rear axle. The first rear axle and the second rear axle are more firmly installed with the front guide arm 500 and the rear guide arm 600 through the axle support seat 800, and the transmission is more stable.
In some embodiments of the present invention, as shown in fig. 2, one shock absorber 900 is installed on each bridge support seat 800, and the shock absorber 900 is adapted to be connected to the vehicle frame, wherein the shock absorber 900 installed on the bridge support seat 800 of the front guide arm 500 faces one side of the airbag 700 of the front guide arm 500, and the shock absorber 900 installed on the bridge support seat 800 of the rear guide arm 600 faces one side of the airbag 700 of the rear guide arm 600.
In some embodiments of the present invention, as shown in fig. 5, rear suspension cross member 100 includes an intermediate section 110, a first transition section 120, and a second transition section 130.
The intermediate section 110 is configured as a circular tube. The first transition section 120 is connected to one end of the middle section 110 and gradually increases in cross-sectional outer contour area in a direction away from the middle section 110, and the left front rod portion 210 and the left rear rod portion 310 are mounted on the first transition section 120. The second transition section 130 is connected to the other end of the middle section 110 and gradually increases in cross-sectional outer contour area in a direction away from the middle section 110, and the right front rod part 220 and the right rear rod part 320 are mounted to the second transition section 130.
For example, the outer contours of the first transition section 120 and the second transition section 130 are both configured to be elliptical, and the cross-sectional outer contour areas of the first transition section 120 and the second transition section 130 are large, so that the force stability and the installation strength of the rear suspension cross beam 100 are enhanced. First transition section 120 is more securely attached to left front rod portion 210 and left rear rod portion 310, and second transition section 130 is more securely attached to right front rod portion 220 and right rear rod portion 320.
In some embodiments of the present invention, as shown in fig. 4 and 5, the first mounting plate 140 is configured at both ends of the rear suspension cross beam 100, the second mounting plate 430 is configured at both the left guide arm connecting frame 410 and the right guide arm connecting frame 420, the second mounting plate 430 of the left guide arm connecting frame 410 is mounted at the first mounting plate 140 at one end of the rear suspension cross beam 100, and the second mounting plate 430 of the right guide arm connecting frame 420 is mounted at the second mounting plate 430 at the other end of the rear suspension cross beam 100.
The first mounting plate 140 is mounted to the inside of the vehicle frame and the second mounting plate 430 is mounted to the outside of the vehicle frame, for example, the first mounting plate 140 and the second mounting plate 430 are partially overlapped, and are mounted by fastening members sequentially passing through the first mounting plate 140, the vehicle frame, and the second mounting plate 430. The rear suspension cross beam 100, the left guide arm connecting frame 410 and the right guide arm are firmly installed with the vehicle frame, and the rear suspension cross beam 100, the left guide arm connecting frame 410 and the right guide arm connecting frame 420 are installed to one place, so that the installation stability of the rear suspension cross beam 100 and the guide arm connecting frame 400 is improved.
A cargo vehicle according to an embodiment of the present invention is described below.
According to the utility model discloses cargo vehicle, include according to the utility model discloses the double air bag suspension 1 of above-mentioned embodiment.
According to the utility model discloses vehicle, through utilizing according to the utility model discloses above-mentioned embodiment's two gasbag suspension 1 has advantages such as simple structure, weight and cost are lower, save space.
Other constructions and operations of the dual air bag suspension 1 and the cargo vehicle according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A dual air bag suspension comprising:
the rear suspension cross beam is a tubular beam and is suitable for being mounted on a frame;
the two ends of the front balance thrust rod are respectively installed on the front side of the rear suspension crossbeam, and the front balance thrust rod is suitable for being connected to a first rear axle;
the two ends of the rear balance thrust rod are respectively arranged at the rear side of the rear suspension crossbeam, and the rear balance thrust rod is suitable for being connected to a second rear axle;
the guide arm connecting frames are mounted at two ends of the rear suspension cross beam and are mounted with the frame;
the front guide arm is arranged on the front side of the guide arm connecting frame, and the left side and the right side of the first rear axle of the front guide arm are respectively provided with an air bag;
the rear guide arm is installed on the rear side of the guide arm connecting frame, and the left side and the right side of the second rear axle of the rear guide arm are respectively provided with an air bag.
2. The dual air bag suspension of claim 1 wherein the forward and aft trim thrust levers are symmetrically disposed on both the forward and aft sides of the aft suspension cross member.
3. The dual-airbag suspension of claim 2, wherein the front trim thrust bar comprises a left front bar portion and a right front bar portion, the left front bar portion being connected to one end of the rear suspension cross member, the right front bar portion being connected to the other end of the rear suspension cross member, the left front bar portion and the right front bar portion being connected at a front side of the rear suspension cross member and being connected at a hinge to the first rear axle;
the rear balance thrust rod comprises a left rear rod part and a right rear rod part, the left rear rod part is connected to one end of the rear suspension cross beam, the right rear rod part is connected to the other end of the rear suspension cross beam, and the left rear rod part and the right rear rod part are connected to the rear side of the rear suspension cross beam and hinged to the second rear axle at the connection position.
4. The dual air bag suspension of claim 1 wherein said leading arm attachment bracket comprises:
the left guide arm connecting frame is arranged at one end of the rear suspension cross beam, one front guide arm is arranged on the front side of the left guide arm connecting frame, and the rear side of the left guide arm connecting frame is arranged on one rear guide arm;
the right guide arm connecting frame is mounted at the other end of the rear suspension cross beam, the front side of the right guide arm connecting frame is provided with the other front guide arm, and the rear side of the right guide arm connecting frame is provided with the other rear guide arm;
wherein each of the front and rear guide arms is mounted with an air bag.
5. The dual-bag suspension of claim 4 wherein said front and rear guide arms are symmetrically disposed on both front and rear sides of said rear suspension cross member.
6. The dual-airbag suspension of claim 5, further comprising:
a plurality of bridge supports, one of said bridge supports being mounted to each of said front and rear guide arms, said bridge supports mounted to said front guide arms being adapted to support a first front bridge; the axle support seat mounted to the rear guide arm is adapted to support a second rear axle.
7. The dual-airbag suspension of claim 6, further comprising:
the shock absorbers are suitable for being connected to the frame, wherein the shock absorbers face to one side of the air bag of the front guide arm when the bridge supporting seat of the front guide arm is installed, and the shock absorbers face to one side of the air bag of the rear guide arm when the bridge supporting seat of the rear guide arm is installed.
8. The dual air bag suspension of claim 3 wherein said rear suspension cross member comprises:
a middle section configured as a circular tube;
the first transition section is connected to one end of the middle section and gradually increases in area towards the outer contour of the cross section in the direction away from the middle section, and the left front rod part and the left rear rod part are mounted on the first transition section;
the second transition section is connected to the other end of the middle section and gradually increases in area of the outer profile of the cross section in the direction away from the middle section, and the right front rod part and the right rear rod part are mounted on the second transition section.
9. The dual-airbag suspension of claim 4, wherein a first mounting plate is configured at both ends of the rear suspension cross member, wherein a second mounting plate is configured at each of the left and right guide arm attachment brackets, wherein the second mounting plate of the left guide arm attachment bracket is mounted to the first mounting plate at one end of the rear suspension cross member, and wherein the second mounting plate of the right guide arm attachment bracket is mounted to the second mounting plate at the other end of the rear suspension cross member.
10. A cargo-carrying vehicle characterized by comprising: the dual air bag suspension of any one of claims 1-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222970974.5U CN218839091U (en) | 2022-11-07 | 2022-11-07 | Double-airbag suspension and cargo vehicle with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222970974.5U CN218839091U (en) | 2022-11-07 | 2022-11-07 | Double-airbag suspension and cargo vehicle with same |
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Publication Number | Publication Date |
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CN218839091U true CN218839091U (en) | 2023-04-11 |
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CN202222970974.5U Active CN218839091U (en) | 2022-11-07 | 2022-11-07 | Double-airbag suspension and cargo vehicle with same |
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CN (1) | CN218839091U (en) |
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2022
- 2022-11-07 CN CN202222970974.5U patent/CN218839091U/en active Active
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