CN212022316U - Truck exhaust system arrangement structure and truck - Google Patents
Truck exhaust system arrangement structure and truck Download PDFInfo
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- CN212022316U CN212022316U CN202020425916.2U CN202020425916U CN212022316U CN 212022316 U CN212022316 U CN 212022316U CN 202020425916 U CN202020425916 U CN 202020425916U CN 212022316 U CN212022316 U CN 212022316U
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Abstract
The utility model relates to a truck exhaust system arrangement structure and a truck, which comprises a first exhaust elbow, a second exhaust elbow arranged in a truck head area, and a tail gas post-processor assembly, a silencer assembly, a third exhaust elbow and a heat insulation plate arranged in a cargo area; the first exhaust elbow is connected with the tail gas post-processor assembly and arranged on the same side of the radial direction of the engine, the silencer assembly is connected with the second exhaust elbow and arranged on the opposite side of the tail gas post-processor assembly, and the gas outlet of the second exhaust elbow is arranged outside the vehicle head area; the end parts of the muffler assembly and the tail gas post-processor assembly, which are far away from the vehicle head area, are connected through a third exhaust bent pipe, and the heat insulation plate is arranged above the third exhaust bent pipe. The utility model discloses set up bulky tail gas aftertreatment ware assembly and silencer assembly in the both sides in cargo carrying area lower part space, make the residual space in locomotive district sufficient to guide the direction in locomotive district to other spare parts, thereby accomplish exhaust system's arrangement.
Description
Technical Field
The utility model relates to a vehicle exhaust technical field especially relates to a truck exhaust system arrangement structure and truck.
Background
With the increasing requirements for exhaust emissions from vehicles, the aftertreatment devices for exhaust gases from vehicles are also continuously improving. In the sixth national phase motor vehicle pollutant emission standard (abbreviated as "nation six"), the mainstream route of exhaust gas after-treatment comprises a particle trap (abbreviated as "DPF") and a selective catalytic reduction device (abbreviated as "SCR"), and the DPF reduces particulate matters in the exhaust gas by filtration. The SCR technical principle is that urea is used for selectively reducing nitrogen oxides in tail gas to generate harmless nitrogen and water.
According to the currently implemented national five-emission standard, the exhaust aftertreatment device of the dangerous goods light truck type can extend to the direction of a vehicle head through the lower part of an engine, so that the prepositive requirement of exhaust is met.
However, compared with the emission standard of the fifth stage of China, the volume of the tail gas after-treatment device of the sixth stage of China is greatly increased, the temperature requirements of accessories and corresponding exhaust gas are higher than those of the fifth stage of China, the space of the lower part of the head of the light truck is limited, the arrangement of the sixth stage of China after-treatment cannot be finished according to the traditional mounting mode of the exhaust gas of the dangerous goods vehicle, and the approach angle of the whole vehicle is further deteriorated, so that the passing performance of the vehicle is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a truck exhaust system arrangement structure to solve the too big problem that leads to exhaust system can't arrange of tail gas aftertreatment device volume among the prior art.
The utility model provides a truck exhaust system arrangement structure, which comprises a first exhaust elbow, a second exhaust elbow arranged in a truck head area, and a tail gas post-processor assembly, a silencer assembly, a third exhaust elbow and a heat insulation plate arranged in a cargo area;
the first exhaust elbow is connected with the exhaust gas post-processor assembly and arranged on the same side of the engine in the radial direction, the muffler assembly is connected with the second exhaust elbow and arranged on the opposite side of the exhaust gas post-processor assembly, and the gas outlet of the second exhaust elbow is arranged outside the vehicle head area;
the muffler assembly and the end part, far away from the headstock area, of the tail gas post-processor assembly are connected through the third exhaust bent pipe, and the heat insulation plate is arranged above the third exhaust bent pipe.
According to the utility model provides a truck exhaust system arrangement structure has following beneficial effect: the utility model discloses set up bulky tail gas aftertreatment ware assembly and silencer assembly in the both sides in cargo carrying area lower part space, make the residual space in locomotive district sufficient, and guide the direction in locomotive district to other spare parts, can satisfy the installation of first exhaust return bend and second exhaust return bend, thereby accomplish exhaust system's the installation of arranging, and set up the heat insulating board in the top of third exhaust return bend, avoid setting up the heat that produces at the device in cargo carrying area and give off influence goods in the cargo carrying space.
In addition, according to the utility model provides a truck exhaust system arrangement structure can also have following additional technical characteristics:
further, the heat insulating plate is arranged along the radial direction, and the heat insulating plate is used for covering the tail gas treatment assembly and the silencer assembly.
Furthermore, the third exhaust elbow is arranged below a transmission shaft of a truck, the transmission shaft is fixed on the truck through a mounting plate, and the end part, far away from the head area, of the heat insulation plate is fixed on the mounting plate.
Further, the exhaust gas processor assembly comprises a diesel oxidation catalyst and a particle catcher which are arranged side by side in the radial direction.
Further, the muffler assembly includes a selective catalytic reducer and a muffler body disposed side by side in a radial direction.
Further, the exhaust gas processor assembly and the muffler assembly are arranged oppositely.
The utility model also provides a truck, the truck includes foretell truck exhaust system arrangement structure.
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 structural diagram of a truck exhaust system arrangement according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a head area of a truck exhaust system arrangement according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a cargo area of a truck exhaust system arrangement according to an embodiment of the present invention;
10. a frame; 20. a headstock area; 21. a first exhaust elbow; 22. a second exhaust elbow; 30. a cargo area; 31. an exhaust gas aftertreatment assembly; 32. a muffler assembly; 33. a third exhaust elbow; 40. a heat insulation plate; 50. a drive shaft; 60. and (7) mounting the plate.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 3, an embodiment of the present invention provides an exhaust system layout structure for a truck, which is disposed on a frame 10 in a lower region of a truck head and a cargo space, and includes a first exhaust elbow 21 and a second exhaust elbow 22 disposed in a truck head region 20, and an exhaust gas post-processor assembly 31, a muffler assembly 32, a third exhaust elbow 33 and a heat insulation plate 40 disposed in a cargo region 30.
The first exhaust elbow 21 is connected with the exhaust gas after-treatment device assembly 31 and arranged on the same side of the engine in the radial direction, the muffler assembly 32 is connected with the second exhaust elbow 22 and arranged on the opposite side of the exhaust gas after-treatment device assembly 31, and the outlet of the second exhaust elbow 22 is arranged outside the headstock region 20;
the ends of the muffler assembly 32 and the exhaust gas aftertreatment assembly 31 remote from the headstock region 20 are connected by the third exhaust elbow 33, and the heat shield 40 is disposed above the third exhaust elbow 33.
When the exhaust muffler is installed, the first exhaust elbow 21 is connected with the exhaust end of the engine, the first exhaust elbow 21 and the second exhaust elbow 22 are installed and fixed on two opposite sides of the frame 10 in the radial direction, the exhaust gas post-processor assembly 31 and the muffler assembly 32 are installed and fixed on two opposite sides of the frame 10 in the radial direction, and the two are arranged at one end of the loading area 30 close to the vehicle head area 20 and are connected through a third exhaust elbow pipe 33, when in use, the tail gas generated by the engine enters the tail gas post-processor assembly 31 through the first exhaust elbow 21, the tail gas is converted into gas and water which are harmless to the environment through the tail gas post-processor assembly 31, the harmless gas enters the third exhaust elbow 33 and reaches the silencer assembly 32 to eliminate noise, the heat insulation plate 40 prevents the heat emitted by the tail gas from reaching the truck cargo space, and the treated gas is discharged to the left side in front of the truck through the second exhaust elbow 22.
According to the utility model provides a truck exhaust system arrangement structure has following beneficial effect: the utility model discloses set up the both sides in cargo carrying area 30 lower part space with bulky tail gas aftertreatment ware assembly 31 and silencer assembly 32, make the residual space in locomotive district 20 sufficient, and guide the direction of locomotive district 20 to other spare parts, can satisfy the installation of first exhaust return bend 21 and second exhaust return bend 22, thereby accomplish exhaust system's the installation of arranging, and set up heat insulating board 40 in the top of third exhaust return bend 33, avoid setting up the heat that produces at cargo carrying area 30 device and give off influence goods in the cargo carrying space.
In addition, according to the utility model provides a truck exhaust system arrangement structure can also have following additional technical characteristics:
in an embodiment of the present invention, the heat insulation board 40 is disposed along a radial direction, and the heat insulation board 40 is used for covering the tail gas processing assembly and the muffler assembly 32 to prevent the heat generated by the tail gas processing assembly and the muffler assembly 32 from being dissipated to the goods.
In an embodiment of the present invention, the third exhaust elbow 33 is disposed below the transmission shaft 50 of the truck, the transmission shaft 50 is fixed on the truck through a mounting plate 60, and the end of the heat insulation board 40 away from the head area 20 is fixed on the mounting plate 60. The transmission shaft 50 is disposed on the central axis of the frame 10 and fixed to the frame 10 by a mounting plate 60 perpendicular to the transmission shaft 50, and the third exhaust elbow 33 does not contact the transmission shaft 50 when passing through the transmission shaft 50, thereby preventing interference with the transmission shaft 50.
In an embodiment of the present invention, the exhaust gas treatment device assembly includes a diesel oxidation catalyst and a particle trap arranged side by side in a radial direction. The diesel oxidation catalyst and the particle trap are packaged and installed as a unit in the cargo area 30, thereby allowing for the reduction of the footprint of the exhaust gas treatment unit.
In an embodiment of the present invention, the muffler assembly 32 includes a selective catalytic reducer and a muffler body arranged side by side in a radial direction. The selective catalytic reducer and muffler body are packaged as a unit in cargo area 30 so that the footprint of muffler assembly 32 is reduced.
In an embodiment of the present invention, the exhaust gas processor assembly and the muffler assembly 32 are disposed opposite to each other. The two are oppositely arranged, so that the area of the heat insulation plate 40 can be reduced to the maximum extent.
The utility model also provides a truck, the truck includes foretell truck exhaust system arrangement structure.
The utility model provides a truck exhaust system arrangement structure and truck, set up bulky tail gas aftertreatment ware assembly 31 and silencer assembly 32 in the both sides in the space of the 30 lower parts in cargo carrying area, make the residual space in locomotive district 20 sufficient, and guide the direction in locomotive district 20 to other spare parts, can satisfy the installation of first exhaust return bend 21 and second exhaust return bend 22, thereby accomplish exhaust system's the installation of arranging, and set up heat insulating board 40 in the top of third exhaust return bend 33, the heat of avoiding setting up the production of cargo carrying device in cargo carrying area 30 gives off the goods that influence was deposited in the space.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The layout structure of the truck exhaust system is characterized by comprising a first exhaust elbow, a second exhaust elbow, a tail gas post-processor assembly, a silencer assembly, a third exhaust elbow and a heat insulation plate, wherein the first exhaust elbow and the second exhaust elbow are arranged in a vehicle head area;
the first exhaust elbow is connected with the exhaust gas post-processor assembly and arranged on the same side of the engine in the radial direction, the muffler assembly is connected with the second exhaust elbow and arranged on the opposite side of the exhaust gas post-processor assembly, and the gas outlet of the second exhaust elbow is arranged outside the vehicle head area;
the muffler assembly and the end part, far away from the headstock area, of the tail gas post-processor assembly are connected through the third exhaust bent pipe, and the heat insulation plate is arranged above the third exhaust bent pipe.
2. The truck exhaust system arrangement according to claim 1, wherein the heat shield is radially disposed, the heat shield being adapted to cover the exhaust aftertreatment and muffler assemblies.
3. A truck exhaust system arrangement according to claim 2, wherein the third exhaust elbow is provided below a drive shaft of the truck, the drive shaft being secured to the truck by a mounting plate, the end of the heat shield remote from the head region being secured to the mounting plate.
4. The truck exhaust system arrangement according to claim 1, wherein the exhaust aftertreatment assembly includes a diesel oxidation catalyst and a particulate trap arranged radially side-by-side.
5. The truck exhaust system arrangement according to claim 1, wherein the muffler assembly includes a selective catalytic reducer and a muffler body disposed side by side in a radial direction.
6. The truck exhaust system arrangement according to claim 1, wherein the exhaust aftertreatment assembly and the muffler assembly are oppositely disposed.
7. A truck characterized by comprising a truck exhaust system arrangement according to any of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020425916.2U CN212022316U (en) | 2020-03-27 | 2020-03-27 | Truck exhaust system arrangement structure and truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020425916.2U CN212022316U (en) | 2020-03-27 | 2020-03-27 | Truck exhaust system arrangement structure and truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212022316U true CN212022316U (en) | 2020-11-27 |
Family
ID=73488573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020425916.2U Active CN212022316U (en) | 2020-03-27 | 2020-03-27 | Truck exhaust system arrangement structure and truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212022316U (en) |
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2020
- 2020-03-27 CN CN202020425916.2U patent/CN212022316U/en active Active
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