CN212172396U - Can promote special van chassis of rear axle - Google Patents
Can promote special van chassis of rear axle Download PDFInfo
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- CN212172396U CN212172396U CN202020551322.6U CN202020551322U CN212172396U CN 212172396 U CN212172396 U CN 212172396U CN 202020551322 U CN202020551322 U CN 202020551322U CN 212172396 U CN212172396 U CN 212172396U
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Abstract
The utility model relates to a field is arranged on the van chassis, specifically is a can promote special cargo vehicle chassis of rear axle. The air dryer comprises a frame, wherein a diesel engine assembly is arranged on the inner side of the frame below a cab, a silencer post-treatment assembly is arranged on the left side of the frame behind the cab, an exhaust port of the diesel engine assembly is connected with the silencer post-treatment assembly through an exhaust steel pipe, a storage battery box and a first gas cylinder assembly are arranged on the left side of the frame behind the silencer post-treatment assembly from top to bottom, an air dryer assembly is arranged on the rear side of the storage battery box, and a urea box assembly and a second gas cylinder assembly are sequentially arranged on the frame behind the storage battery box from front to back. The chassis is more compact in arrangement, the axle load distribution is more reasonable, the operation stability is better, the smoothness of the whole vehicle is better, the fuel consumption is effectively reduced, the cost is saved, and the competitiveness is improved.
Description
Technical Field
The utility model relates to a field is arranged on the van chassis, specifically is a can promote special cargo vehicle chassis of rear axle.
Background
The arrangement of the chassis is an important part in the design of the automobile, and has a decisive influence on the design quality of the automobile, the performance of the automobile and the life of products. At present, the control of the discharge standard of the truck is stricter day by day, the overload transfinite treatment is stricter and stricter, the requirements on light weight, oil saving performance and comfort are higher and higher, the special chassis for the air bag lifting rear axle is designed and developed, under a certain working condition, the smoothness of the whole truck is effectively improved, the friction force is reduced, the fuel consumption is reduced, the comfort is improved, and the development trend of the market industry is met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses promote the rear axle to the gasbag provides a can promote special cargo vehicle chassis of rear axle.
The utility model discloses a realize through following technical scheme: a truck chassis special for a liftable rear axle comprises a frame, wherein the frame is provided with a front axle, a middle axle and three axles which are provided with tires and can lift the rear axle in parallel from front to back, a cab is arranged on the frame above the front axle, a transmission shaft for controlling the rotation of the middle axle is arranged on the inner side of the frame between the front axle and the middle axle, a transmission is arranged on the inner side of the frame between the front axle and the middle axle,
a diesel engine assembly is arranged on the inner side of the frame below the cab, a silencer post-treatment assembly is arranged on the left side of the frame behind the cab, an exhaust port of the diesel engine assembly is connected with the silencer post-treatment assembly through an exhaust steel pipe, a storage battery box and a first gas cylinder assembly are arranged on the left side of the frame behind the silencer post-treatment assembly from top to bottom, an air dryer assembly is arranged on the rear side of the storage battery box, and a urea box assembly and a second gas cylinder assembly are sequentially arranged on the frame behind the storage battery box from front to back;
an air filter assembly is arranged on the right side of the frame behind the cab, a diesel oil supply system is arranged on the right side of the frame opposite to the storage battery box, and a third air storage cylinder assembly is arranged on the inner side of the frame behind the liftable rear axle.
As the utility model discloses technical scheme's further improvement, the frame right side that is located liftable rear axle rear has arranged the spare tyre.
As the technical scheme of the utility model further improve, the driver's cabin adopts the half driver's cabin of high top short row in the well.
As the utility model discloses technical scheme's further improvement, the driver's cabin adopts the full suspension to float, and the front suspension of driver's cabin adopts many leaf springs, and the rear suspension of driver's cabin adopts the gasbag suspension.
The suspension parts on the left side and the right side of the frame of the special truck chassis capable of lifting the rear axle are symmetrically arranged, so that the overall arrangement of the chassis is compact under the condition of ensuring enough installation and operation space, and the operation stability is improved to a great extent; the operation stability and the smoothness of the whole vehicle are effectively improved, and the comfort of the whole vehicle is improved; meanwhile, the friction force is reduced, the fuel consumption is reduced, the cost is saved, and the competitiveness is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the chassis of the utility model discloses a special cargo vehicle for a liftable rear axle.
Fig. 2 is a top view of fig. 1.
In the figure: 1-front axle, 2-diesel engine assembly, 3-muffler aftertreatment assembly, 4-storage battery box, 5.1-first air cylinder assembly, 5.2-second air cylinder assembly, 5.3-third air cylinder assembly, 6-urea box assembly, 7-middle axle, 8-spare tire, 9-cab, 10-air filter assembly, 11-speed changer, 12-diesel oil supply system, 13-transmission shaft, 14-frame, 15-liftable rear axle and 16-air dryer assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
As shown in fig. 1 and 2, the present embodiment provides a truck chassis dedicated to a liftable rear axle, comprising a frame 14, the frame 14 is assembled with three tire-mounted axles of a front axle 1, a middle axle 7 and a liftable rear axle 15 in parallel from front to rear, a cab 9 is arranged on the frame 14 above the front axle 1, a transmission shaft 13 for controlling the rotation of the middle axle 7 is arranged on the inner side of the frame 14 between the front axle 1 and the middle axle 7, a transmission 11 is arranged on the inner side of the frame 14 between the front axle 1 and the middle axle 7,
a diesel engine assembly 2 is arranged on the inner side of a frame 14 below a cab 9, a silencer aftertreatment assembly 3 is arranged on the left side of the frame 14 behind the cab 9, an exhaust port of the diesel engine assembly 2 is connected with the silencer aftertreatment assembly 3 through an exhaust steel pipe, a storage battery box 4 and a first air cylinder assembly 5.1 are arranged on the left side of the frame 14 behind the silencer aftertreatment assembly 3 from top to bottom, an air dryer assembly 16 is arranged on the rear side of the storage battery box 4, and a urea box assembly 6 and a second air cylinder assembly 5.2 are sequentially arranged on the frame 14 behind the storage battery box 4 from front to back;
an air cleaner assembly 10 is arranged on the right side of the frame 14 behind the cab 9, a diesel supply system 12 is arranged on the right side of the frame 14 opposite to the battery box 4, and a third air reservoir assembly 5.3 is mounted on the inner side of the frame 14 behind the liftable rear axle 15.
In this embodiment, the suspension members are arranged according to the characteristics of the liftable rear axle 15.
The exhaust port of the diesel engine assembly 2 is connected with the muffler post-treatment assembly 3 through an exhaust steel pipe, so that exhaust is smoother, and exhaust back pressure is small. The storage battery box 4, the first air cylinder component 5.1, the air dryer assembly 16, the urea box assembly 6 and the second air cylinder component 5.2 are sequentially arranged behind the silencer post-processing assembly 3, so that the left part of the frame 14 is more compact and reasonable.
The air cleaner assembly 10 is disposed to the right of the frame 14 such that the air outlet of the air cleaner assembly 10 is connected to the air inlet of the engine supercharger via a shorter duct, resulting in a lower intake resistance. Behind the air cleaner assembly 10 is arranged a diesel supply system 12. Thus, the suspension parts on the left side and the right side of the frame 14 are arranged and stacked, the overall arrangement of the chassis is compact under the condition of ensuring enough installation and operation space, and the operation stability is improved to a great extent.
In the present embodiment, the first gas cylinder assembly 5.1 is primarily used for service braking. The two air reservoirs of the second air reservoir assembly 5.2 are used for parking braking and as regeneration air reservoirs, respectively, which can be used for blowback regeneration of the air dryer assembly 16. The third gas cylinder assembly 5.3 is supplying gas to the airbag suspension.
As shown in fig. 2, a spare tire 8 is disposed on the right side of the vehicle frame 14 behind the liftable rear axle 15.
Preferably, the cab 9 adopts a middle-high top short row half cab.
More preferably, the cab 9 is suspended in a full suspension manner, the front suspension of the cab 9 is a multi-leaf spring, and the rear suspension of the cab 9 is an air bag suspension. Therefore, the whole vehicle comfort can be effectively provided.
In this embodiment, the liftable rear axle assembly 15 can be lowered to perform a weight bearing function when in heavy load, and can lift the axle when in no load. When the vehicle is unloaded, the vehicle axle is lifted, and the tires of the lifting axle have no frictional resistance with the ground, so that the oil consumption can be reduced; when the vehicle runs on a bad road, the tire is better attached to the road surface and cannot be in hard-to-hard contact with the road surface to accelerate the abrasion of the tire like a steel plate spring, so that even if the vehicle is in heavy load, the abrasion of the tire can be reduced when the vehicle descends, meanwhile, the damage of the tire to the road surface is small, and a certain protection effect is achieved on the road surface.
During specific implementation, the diesel engine assembly 2 meeting the national emission standard is adopted in the embodiment, and the corresponding muffler aftertreatment assembly 3 and the urea tank assembly 6 are matched, so that the emission of vehicle-type particle pollutants can be reduced, and the positive effect on environmental protection is achieved.
In this embodiment, the arrangement of the front axle 1, the middle axle 7, the liftable rear axle 15, the transmission 11, the transmission shaft 13 and the cab 9 on the frame 14 is kept unchanged, so that the chassis arrangement is more compact while the endurance mileage of the vehicle is ensured, the axle load distribution is more reasonable, the operation stability is better, the smoothness of the whole vehicle is better, the fuel consumption is effectively reduced, the cost is saved, and the competitiveness is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A special cargo vehicle chassis for a liftable rear axle comprises a vehicle frame (14), wherein the vehicle frame (14) is provided with a front axle (1), a middle axle (7) and three vehicle axles which can lift the rear axle (15) and are provided with tires from front to back in parallel, a cab (9) is arranged on the vehicle frame (14) above the front axle (1), a transmission shaft (13) for controlling the rotation of the middle axle (7) is arranged on the inner side of the vehicle frame (14) between the front axle (1) and the middle axle (7), and a transmission (11) is arranged on the inner side of the vehicle frame (14) between the front axle (1) and the middle axle (7),
a diesel engine assembly (2) is arranged on the inner side of a frame (14) below a cab (9), a silencer aftertreatment assembly (3) is arranged on the left side of the frame (14) behind the cab (9), an exhaust port of the diesel engine assembly (2) is connected with the silencer aftertreatment assembly (3) through an exhaust steel pipe, a storage battery box (4) and a first gas cylinder assembly (5.1) are arranged on the left side of the frame (14) behind the silencer aftertreatment assembly (3) from top to bottom, an air dryer assembly (16) is arranged on the rear side of the storage battery box (4), and a urea box assembly (6) and a second gas cylinder assembly (5.2) are sequentially arranged on the frame (14) behind the storage battery box (4) from front to back;
an air filter assembly (10) is arranged on the right side of the frame (14) behind the cab (9), a diesel supply system (12) is arranged on the right side of the frame (14) opposite to the storage battery box (4), and a third air storage cylinder assembly (5.3) is arranged on the inner side of the frame (14) behind the liftable rear axle (15).
2. The truck chassis special for the liftable rear axle according to claim 1, characterized in that a spare tire (8) is arranged on the right side of the frame (14) behind the liftable rear axle (15).
3. The special cargo vehicle chassis for the liftable rear axle according to claim 1 or 2, characterized in that the cab (9) adopts a half cab with a middle-high top and a short row.
4. The special truck chassis for the liftable rear axle according to claim 1 or 2, characterized in that the cab (9) is suspended in a full suspension manner, the front suspension of the cab (9) is provided with a plurality of leaf springs, and the rear suspension of the cab (9) is provided with an air bag suspension.
5. The chassis special for the liftable rear axle of the truck as claimed in claim 3, wherein the cab (9) is fully suspended, the front suspension of the cab (9) is a multi-leaf spring, and the rear suspension of the cab (9) is an air bag suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020551322.6U CN212172396U (en) | 2020-04-15 | 2020-04-15 | Can promote special van chassis of rear axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020551322.6U CN212172396U (en) | 2020-04-15 | 2020-04-15 | Can promote special van chassis of rear axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212172396U true CN212172396U (en) | 2020-12-18 |
Family
ID=73770049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020551322.6U Active CN212172396U (en) | 2020-04-15 | 2020-04-15 | Can promote special van chassis of rear axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212172396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU214601U1 (en) * | 2022-07-19 | 2022-11-07 | Публичное акционерное общество "КАМАЗ" | THREE-AXLE VEHICLE |
-
2020
- 2020-04-15 CN CN202020551322.6U patent/CN212172396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU214601U1 (en) * | 2022-07-19 | 2022-11-07 | Публичное акционерное общество "КАМАЗ" | THREE-AXLE VEHICLE |
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