CN212318137U - Post-processor assembly suitable for light passenger vehicle type chassis arrangement and mounting structure thereof - Google Patents

Post-processor assembly suitable for light passenger vehicle type chassis arrangement and mounting structure thereof Download PDF

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Publication number
CN212318137U
CN212318137U CN202020932329.2U CN202020932329U CN212318137U CN 212318137 U CN212318137 U CN 212318137U CN 202020932329 U CN202020932329 U CN 202020932329U CN 212318137 U CN212318137 U CN 212318137U
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assembly
lifting hook
doc
transition pipe
encapsulation
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CN202020932329.2U
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刘莹
程炜
毛勇
邓基峰
潘师民
唐辉映
杜雨停
夏晨
殷勇
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Dongfeng Automobile Co Ltd
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Dongfeng Automobile Co Ltd
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Abstract

The utility model provides an adaptation light passenger motorcycle type chassis arranges aftertreatment ware assembly and mounting structure thereof, aftertreatment ware assembly is including the DOC encapsulation assembly that communicates in proper order, DPF encapsulation assembly, the transition pipe assembly, mixer assembly and SCR encapsulation assembly, DOC encapsulation assembly, DPF encapsulation assembly, transition pipe assembly, the casing outside of mixer assembly has set gradually the heat preservation cotton from inside to outside, the heat preservation shell, be connected with DOC installation lifting hook on the casing of DOC encapsulation assembly, be connected with transition pipe installation lifting hook on the casing of transition pipe assembly, the casing both sides of SCR encapsulation assembly all are connected with SCR installation lifting hook, DOC installation lifting hook, transition pipe installation lifting hook, SCR installation lifting hook all are connected with the fixed mounting lifting hook on the automobile body crossbeam through the rubber cushion. The design has the advantages of compact structure, high performance, convenience and firmness in installation, good heat preservation and insulation effect, good security and disaster prevention effect, good vibration reduction effect and high structural strength.

Description

Post-processor assembly suitable for light passenger vehicle type chassis arrangement and mounting structure thereof
Technical Field
The utility model relates to a post processor technical field especially relates to a post processor assembly that adaptation light passenger car type chassis was arranged and mounting structure thereof.
Background
At present, with the continuous upgrade of pollutant emission limit values of heavy-duty diesel vehicles, in order to achieve stricter tail gas emission limit values in six stages of China, the tail gas post-treatment technical route of the diesel vehicles needs to be upgraded, an upgraded post-processor is more complex than the five stages of China, the common technical route is DOC + DPF + SCR + ASC, and the total volume of post-treatment catalyst units is larger. The emission of the existing light passenger vehicle type is upgraded to the national six, the increase of the volume of the postprocessor provides challenges for the space arrangement of the chassis of the existing vehicle type, the main difficulties are the gap between the postprocessor and the existing boundary and the gap from the ground, and under the condition of ensuring that the boundary of the whole vehicle is not changed greatly, the postprocessor assembly which can meet the emission requirements of the national six and the arrangement of the whole vehicle is designed, so that the cost rise caused by the change of boundary parts of the whole vehicle is favorably reduced to the maximum extent, and the universality of the parts of the whole vehicle is improved; meanwhile, the requirements of security and disaster prevention of parts with poor high-temperature tolerance capability, such as wiring harnesses, plastics, rubber and the like, around the post processor in a compact arrangement space are also met. The total mass of the six post-processor assemblies and other accessories of the upgrade country is larger, about 28kg, so that the mounting structure of the post-processor assembly also ensures that the thermal vibration mode and the strength of the whole post-processor assembly meet the design and durability requirements on the premise of meeting the process convenience.
Disclosure of Invention
The utility model aims at overcoming the defect and the problem that the arrangement space demand that exist among the prior art is big, the performance is low efficiency, the loaded down with trivial details insecure of installation, providing a compact structure, the performance is high-efficient, install convenient firm post processor assembly that the adaptation light passenger vehicle type chassis was arranged and mounting structure thereof.
In order to achieve the above purpose, the technical solution of the utility model is that: the utility model provides an adaptation light passenger motorcycle type chassis arranges aftertreatment ware assembly, includes DOC encapsulation assembly, DPF encapsulation assembly, transition pipe assembly, blender assembly and the SCR encapsulation assembly that communicates in proper order, be connected with DOC installation lifting hook on the casing of DOC encapsulation assembly, be connected with transition pipe installation lifting hook on the casing of transition pipe assembly, the casing both sides of SCR encapsulation assembly all are connected with SCR installation lifting hook.
The DOC packaging assembly, the DPF packaging assembly, the transition pipe assembly and the mixer assembly are sequentially provided with heat preservation cotton and a heat preservation shell from inside to outside.
And both ends of the DPF packaging assembly are communicated with the DOC packaging assembly and the transition pipe assembly through the V-shaped clamp and the sealing gasket.
The DOC packaging assembly is characterized in that a first mounting base is arranged at the rear end of a shell of the DOC packaging assembly, a differential pressure front air inlet steel pipe assembly is mounted on the first mounting base, a second mounting base is arranged at the front end of the shell of the transition pipe assembly, a differential pressure rear air inlet steel pipe assembly is mounted on the second mounting base, and a first support assembly used for fixing the differential pressure front air inlet steel pipe assembly and the differential pressure rear air inlet steel pipe assembly is connected to the shell of the DPF packaging assembly.
And a second bracket assembly used for mounting a differential pressure sensor is connected to the shell of the DPF packaging assembly.
DOC encapsulation assembly's casing front end is provided with a temperature sensor base, a NOx sensor base, and the rear end is provided with No. two temperature sensor bases, the casing front end of mixer assembly is provided with No. three temperature sensor bases, the rear end of SCR encapsulation assembly is provided with No. two NOx sensor bases.
And a third mounting base for mounting a urea nozzle is arranged on the shell of the mixer assembly.
The utility model provides an adaptation post processor assembly mounting structure that light passenger vehicle type chassis was arranged, includes the aforesaid post processor assembly and from the past backward parallel arrangement's first automobile body crossbeam, second automobile body crossbeam, third automobile body crossbeam, fourth automobile body crossbeam in proper order, DOC installation lifting hook is connected with the fixed mounting lifting hook of first automobile body crossbeam side, transition pipe installation lifting hook is connected with the fixed mounting lifting hook of second automobile body crossbeam side, SCR installation lifting hook is connected with the fixed mounting lifting hook of fourth automobile body crossbeam side.
DOC installation lifting hook, transition pipe installation lifting hook, SCR installation lifting hook all are connected with the fixed mounting lifting hook through the rubber cushion.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a post processor assembly that adapts to light passenger vehicle type chassis arrangement and mounting structure thereof in post processor assembly include DOC encapsulation assembly, DPF encapsulation assembly, transition pipe assembly, blender assembly and SCR encapsulation assembly that communicate in proper order, rationally avoid light passenger vehicle body crossbeam through the transition pipe assembly between DPF encapsulation assembly and the blender assembly, under the condition that need not whole car border change, make full use of whole car current chassis space for each unit catalyst compact connection of aftertreatment, realize making full use of exhaust energy and promote catalyst conversion effect; the postprocessor assembly is fixed under a vehicle body cross beam through the DOC mounting lifting hook, the transition pipe mounting lifting hook and the SCR mounting lifting hook, so that the installation is convenient and fast and firm. Therefore, the utility model discloses compact structure, performance are high-efficient, the installation is convenient firm.
2. The utility model relates to a DOC encapsulation assembly among adaptation light passenger vehicle type chassis arrangement and mounting structure thereof, DPF encapsulation assembly, transition pipe assembly, the casing outside of blender assembly has set gradually the heat preservation cotton from inside to outside, the shell that keeps warm, adopt double-deck insulation construction, play heat preservation and thermal-insulated effect, not only make full use of exhaust energy promote catalyst conversion efficiency, make the peripheral pencil of aftertreatment ware moreover, plastics, the poor spare part of high temperature tolerance such as rubber reach the requirement of the security personnel's disaster prevention. Therefore, the utility model discloses it is effectual to keep warm thermal-insulated, the performance is high-efficient, the security personnel disaster prevention is effectual.
3. The utility model relates to a post processor assembly adapting to the chassis arrangement of a light passenger vehicle and a mounting structure thereof, wherein both ends of a DPF packaging assembly are communicated with a DOC packaging assembly and a transition pipe assembly through a V-shaped clamp and a sealing gasket, so that the mounting is simple and convenient, and the sealing effect is good; the post-processor assembly is integrated with each mounting base, the sensor base and the support assembly, so that the post-processor assembly is attractive in form and convenient and firm to mount. Therefore, the utility model discloses install convenient firm, sealed effectual, the form is pleasing to the eye.
4. The utility model relates to a DOC installation lifting hook, transition pipe installation lifting hook, SCR installation lifting hook all are connected with the fixed mounting lifting hook through the rubber cushion among the aftertreatment ware assembly that adaptation light passenger vehicle type chassis arranged and mounting structure for the thermal vibration mode and the intensity of whole aftertreatment ware assembly satisfy design and durable requirement. Therefore, the utility model discloses the damping is effectual, structural strength is high.
Drawings
Fig. 1 is a schematic structural diagram of the post-processor assembly adapted to the chassis arrangement of the light passenger vehicle.
Fig. 2 is a schematic view of the installation structure of the post-processor assembly adapted to the chassis layout of the light passenger vehicle.
Fig. 3 is a schematic view of the installation structure of the post-processor assembly adapted to the chassis layout of the light passenger vehicle of the present invention at another viewing angle.
In the figure: the post-processor assembly 1, the DOC package assembly 11, the DOC mounting hook 111, the first mounting base 112, the first temperature sensor base 113, the first NOx sensor base 114, the second temperature sensor base 115, the DPF package assembly 12, the first support assembly 121, the second support assembly 122, the transition pipe assembly 13, the transition pipe mounting hook 131, the second mounting base 132, the mixer assembly 14, the third temperature sensor base 141, the third mounting base 142, the SCR package assembly 15, the SCR mounting hook 151, the second NOx sensor base 152, the V-shaped clamp 16, the sealing gasket 17, the differential pressure forward air steel pipe assembly 18, the differential pressure backward air steel pipe assembly 19, the mounting bolt 110, the first body cross beam 2, the second body cross beam 3, the third body cross beam 4, the fourth body cross beam 5, the fixed mounting hook 6, and the rubber cushion 7.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, the postprocessor assembly adapted to the chassis arrangement of the light passenger vehicle type comprises a DOC packaging assembly 11, a DPF packaging assembly 12, a transition pipe assembly 13, a mixer assembly 14 and a SCR packaging assembly 15 which are sequentially communicated, wherein a DOC mounting hook 111 is connected to a shell of the DOC packaging assembly 11, a transition pipe mounting hook 131 is connected to a shell of the transition pipe assembly 13, and SCR mounting hooks 151 are connected to two sides of the shell of the SCR packaging assembly 15.
And the DOC packaging assembly 11, the DPF packaging assembly 12, the transition pipe assembly 13 and the mixer assembly 14 are sequentially provided with heat-insulating cotton and a heat-insulating shell from inside to outside.
And two ends of the DPF packaging assembly 12 are communicated with the DOC packaging assembly 11 and the transition pipe assembly 13 through a V-shaped hoop 16 and a sealing gasket 17.
The rear end of the shell of the DOC package assembly 11 is provided with a first mounting base 112, the first mounting base 112 is provided with a differential pressure front air inlet steel pipe assembly 18, the front end of the shell of the transition pipe assembly 13 is provided with a second mounting base 132, the second mounting base 132 is provided with a differential pressure rear air inlet steel pipe assembly 19, and the shell of the DPF package assembly 12 is connected with a first support assembly 121 for fixing the differential pressure front air inlet steel pipe assembly 18 and the differential pressure rear air inlet steel pipe assembly 19.
The casing of the DPF package assembly 12 is connected with a second bracket assembly 122 for mounting a differential pressure sensor.
DOC encapsulation assembly 11's casing front end is provided with temperature sensor base 113, NOx sensor base 114 No. one, and the rear end is provided with temperature sensor base 115 No. two, the casing front end of blender assembly 14 is provided with temperature sensor base 141 No. three, SCR encapsulation assembly 15's rear end is provided with NOx sensor base 152 No. two.
A third mounting base 142 for mounting a urea nozzle is arranged on the shell of the mixer assembly 14.
The utility model provides an adaptation post processor assembly mounting structure that light passenger vehicle type chassis was arranged, includes the aforesaid post processor assembly 1 and from the past backward in proper order parallel arrangement's first body crossbeam 2, second body crossbeam 3, third body crossbeam 4, fourth body crossbeam 5, DOC installation lifting hook 111 is connected with the fixed mounting lifting hook 6 of first body crossbeam 2 side, transition pipe installation lifting hook 131 is connected with the fixed mounting lifting hook 6 of second body crossbeam 3 side, SCR installation lifting hook 151 is connected with the fixed mounting lifting hook 6 of fourth body crossbeam 5 side.
DOC installation lifting hook 111, transition pipe installation lifting hook 131, SCR installation lifting hook 151 all are connected with fixed mounting lifting hook 6 through rubber cushion 7.
The principle of the utility model is explained as follows:
the design aims at designing a post-processor assembly and a mounting structure thereof aiming at meeting the light passenger vehicle carrying a heavy national emission regulation diesel engine above six; the post-processor assembly is arranged under a vehicle chassis, in order to meet the requirement of the running passing performance of the whole vehicle, the arrangement of the post-processor assembly needs to meet the requirement of the minimum ground clearance, and under the condition that the space of the existing chassis ensures that the boundary of the whole vehicle is not changed greatly, the design adopts a transition pipe assembly structure to be designed between the DPF packaging assembly and the mixer assembly so as to avoid a vehicle body beam; the post-processor assembly integrated with the sensor mounting bases, the support assembly and the heat-preservation and heat-insulation function is fixed under the whole vehicle chassis through the DOC mounting lifting hook, the transition pipe mounting lifting hook and the two SCR mounting lifting hooks at 4 positions, so that the thermal vibration mode and the strength of the post-processor assembly meet the design and durability requirements and peripheral parts with poor high-temperature tolerance capability meet the security and disaster-prevention requirements, and the effects of compact structure, high performance, heat insulation, attractive form, firmness, convenience and security and disaster prevention of the post-processor assembly are achieved. DOC encapsulation assembly is inside to be provided with DOC catalyst assembly, and DPF encapsulation assembly is inside to be provided with DPF catalyst assembly, and SCR encapsulation assembly is inside to be provided with SCR ASC catalyst assembly.
Example (b):
referring to fig. 1, the postprocessor assembly suitable for the chassis arrangement of the light passenger vehicle type comprises a DOC packaging assembly 11, a DPF packaging assembly 12, a transition pipe assembly 13, a mixer assembly 14 and a SCR packaging assembly 15 which are sequentially communicated, wherein a DOC mounting hook 111 is connected to a shell of the DOC packaging assembly 11, a transition pipe mounting hook 131 is connected to a shell of the transition pipe assembly 13, and SCR mounting hooks 151 are connected to two sides of the shell of the SCR packaging assembly 15; the DOC packaging assembly 11, the DPF packaging assembly 12, the transition pipe assembly 13 and the mixer assembly 14 are sequentially provided with heat insulation cotton and a heat insulation shell from inside to outside; both ends of the DPF packaging assembly 12 are communicated with the DOC packaging assembly 11 and the transition pipe assembly 13 through V-shaped hoops 16 and sealing gaskets 17; a first mounting base 112 is arranged at the rear end of the shell of the DOC packaging assembly 11, a differential pressure front air inlet steel pipe assembly 18 is mounted on the first mounting base 112, a second mounting base 132 is arranged at the front end of the shell of the transition pipe assembly 13, a differential pressure rear air inlet steel pipe assembly 19 is mounted on the second mounting base 132, and a first support assembly 121 for fixing the differential pressure front air inlet steel pipe assembly 18 and the differential pressure rear air inlet steel pipe assembly 19 is connected to the shell of the DPF packaging assembly 12; DOC encapsulation assembly 11's casing front end is provided with temperature sensor base 113, NOx sensor base 114 No. one, and the rear end is provided with temperature sensor base 115 No. two, be connected with No. two support assemblies 122 that are used for installing differential pressure sensor on DPF encapsulation assembly 12's the casing, the casing front end of blender assembly 14 is provided with temperature sensor base 141 No. three, be provided with No. three installation base 142 that is used for installing the urea nozzle on the casing of blender assembly 14, SCR encapsulation assembly 15's rear end is provided with NOx sensor base 152 No. two.
Referring to fig. 1 to 3, a post-processor assembly mounting structure adapted to a chassis arrangement of a light passenger vehicle type includes the post-processor assembly 1, and a first body cross beam 2, a second body cross beam 3, a third body cross beam 4, and a fourth body cross beam 5 which are sequentially arranged in parallel from front to back, wherein the DOC mounting hook 111 is connected with a fixed mounting hook 6 on a side surface of the first body cross beam 2, the transition pipe mounting hook 131 is connected with a fixed mounting hook 6 on a side surface of the second body cross beam 3, and the SCR mounting hook 151 is connected with a fixed mounting hook 6 on a side surface of the fourth body cross beam 5; DOC installation lifting hook 111, transition pipe installation lifting hook 131, SCR installation lifting hook 151 all are connected with fixed mounting lifting hook 6 through rubber cushion 7.

Claims (9)

1. The utility model provides an adaptation light passenger vehicle type chassis arranges aftertreatment ware assembly, its characterized in that, is including DOC encapsulation assembly (11), DPF encapsulation assembly (12), transition pipe assembly (13), blender assembly (14) and SCR encapsulation assembly (15) that communicate in proper order, be connected with DOC installation lifting hook (111) on the casing of DOC encapsulation assembly (11), be connected with transition pipe installation lifting hook (131) on the casing of transition pipe assembly (13), the casing both sides of SCR encapsulation assembly (15) all are connected with SCR installation lifting hook (151).
2. The aftertreatment assembly of claim 1 adapted to accommodate a light passenger vehicle chassis arrangement, wherein: the DOC packaging assembly (11), the DPF packaging assembly (12), the transition pipe assembly (13) and the mixer assembly (14) are sequentially provided with heat preservation cotton and a heat preservation shell from inside to outside.
3. The aftertreatment assembly of claim 1 adapted to accommodate a light passenger vehicle chassis arrangement, wherein: both ends of DPF encapsulation assembly (12) are communicated with DOC encapsulation assembly (11) and transition pipe assembly (13) through V-shaped clamp (16) and sealing gasket (17).
4. The aftertreatment assembly of claim 1 adapted to accommodate a light passenger vehicle chassis arrangement, wherein: the rear end of the shell of the DOC packaging assembly (11) is provided with a first mounting base (112), a differential pressure front air inlet steel pipe assembly (18) is mounted on the first mounting base (112), the front end of the shell of the transition pipe assembly (13) is provided with a second mounting base (132), a differential pressure rear air inlet steel pipe assembly (19) is mounted on the second mounting base (132), and a first support assembly (121) for fixing the differential pressure front air inlet steel pipe assembly (18) and the differential pressure rear air inlet steel pipe assembly (19) is connected to the shell of the DPF packaging assembly (12).
5. The aftertreatment assembly of claim 1 adapted to accommodate a light passenger vehicle chassis arrangement, wherein: and a second bracket assembly (122) for mounting a differential pressure sensor is connected to the shell of the DPF packaging assembly (12).
6. The aftertreatment assembly of claim 1 adapted to accommodate a light passenger vehicle chassis arrangement, wherein: the casing front end of DOC encapsulation assembly (11) is provided with temperature sensor base (113), NOx sensor base (114) No. one, and the rear end is provided with temperature sensor base (115) No. two, the casing front end of blender assembly (14) is provided with temperature sensor base (141) No. three, the rear end of SCR encapsulation assembly (15) is provided with NOx sensor base (152) No. two.
7. The aftertreatment assembly of claim 1 adapted to accommodate a light passenger vehicle chassis arrangement, wherein: and a third mounting base (142) for mounting a urea nozzle is arranged on the shell of the mixer assembly (14).
8. The utility model provides an adaptation post processor assembly mounting structure that light passenger car model chassis was arranged, characterized in that, includes any one in claim 1-7 post processor assembly (1) and from preceding backward parallel arrangement's first body crossbeam (2), second body crossbeam (3), third body crossbeam (4), fourth body crossbeam (5), DOC installation lifting hook (111) is connected with fixed mounting lifting hook (6) of first body crossbeam (2) side, transition pipe installation lifting hook (131) are connected with fixed mounting lifting hook (6) of second body crossbeam (3) side, SCR installation lifting hook (151) are connected with fixed mounting lifting hook (6) of fourth body crossbeam (5) side.
9. The structure of claim 8, wherein the structure further comprises: DOC installation lifting hook (111), transition pipe installation lifting hook (131), SCR installation lifting hook (151) all are connected with fixed mounting lifting hook (6) through rubber cushion (7).
CN202020932329.2U 2020-05-28 2020-05-28 Post-processor assembly suitable for light passenger vehicle type chassis arrangement and mounting structure thereof Active CN212318137U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113898445A (en) * 2021-08-31 2022-01-07 东风商用车有限公司 Split type postprocessor structure and car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113898445A (en) * 2021-08-31 2022-01-07 东风商用车有限公司 Split type postprocessor structure and car

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