CN212716841U - Mounting structure of tight coupling post processor assembly - Google Patents
Mounting structure of tight coupling post processor assembly Download PDFInfo
- Publication number
- CN212716841U CN212716841U CN202021366782.8U CN202021366782U CN212716841U CN 212716841 U CN212716841 U CN 212716841U CN 202021366782 U CN202021366782 U CN 202021366782U CN 212716841 U CN212716841 U CN 212716841U
- Authority
- CN
- China
- Prior art keywords
- assembly
- doc
- bolt
- sdpf
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
A mounting structure of a tightly coupled postprocessor assembly comprises a DOC packaging assembly, a mixer assembly and an SDPF packaging assembly, wherein the output end of the DOC packaging assembly is connected with the inlet end of the mixer assembly in a sealing way, and the outlet end of the mixer assembly is connected with the inlet end of the SDPF packaging assembly in a sealing way; the inlet end of the DOC packaging assembly is in sealing fit with the outlet end of the supercharger through a sealing gasket, and a connecting clamp is sleeved outside the inlet end of the DOC packaging assembly and the outlet end of the supercharger; the DOC auxiliary support is connected with the SDPF auxiliary support into a whole through a bolt; the top of the mixer assembly is provided with an upper fixing support, the upper fixing support is connected with an engine cylinder cover through an upper connecting support, a lower bracket arranged at the bottom of the SDPF packaging assembly is connected with a lower connecting support through a bolt, and the side part of the lower connecting support is connected with the side part of a cylinder body of an engine through a bolt. This design is not only structural design is reasonable, can realize the air moreover and insulate against heat.
Description
Technical Field
The utility model relates to a mounting structure of close coupling aftertreatment ware assembly specifically is applicable to the vibration that will strengthen the connection of aftertreatment structure fixed, reduce the aftertreatment.
Background
With the current promulgation and implementation of light automobile pollutant emission limit values and measurement methods (the sixth stage in China), the catalytic conversion performance of a diesel automobile exhaust aftertreatment unit is challenged unprecedentedly, and particularly the NOx reduction efficiency under low-temperature emission at the first stage in WLTC circulation is improved.
The post-processor assembly tightly coupled to the engine is designed, exhaust energy loss between a supercharger and the post-processor is reduced, the bed temperature of a catalyst carrier is increased, the activity of a catalyst is further improved, the NOx reduction efficiency of an exhaust low-temperature window is improved, and meanwhile, the safety and disaster prevention requirements of peripheral parts with poor high-temperature tolerance capacity, such as wire harnesses, plastics, rubber and the like, in a compact arrangement space are met.
The post-processor assembly, which is closely coupled to the engine end, is rigidly connected to the engine. The total mass of the post-processor assembly and other accessories is larger, and is 10 kg-15 kg. Therefore, on the premise of meeting the process convenience, the mounting structure also ensures that the thermal vibration mode and the strength of the whole postprocessor assembly meet the design and durability requirements, and the evaluation index is strict and the technical challenge is not met.
Disclosure of Invention
The utility model aims at overcoming the poor problem of vibration damping nature, durability that exists among the prior art, providing a mounting structure who possesses the tight coupling aftertreatment ware assembly of good vibration damping nature and durability.
In order to achieve the above purpose, the technical solution of the utility model is that:
a mounting structure of a tightly coupled postprocessor assembly comprises a DOC packaging assembly, a mixer assembly and an SDPF packaging assembly, wherein the output end of the DOC packaging assembly is hermetically connected with the inlet end of the upper side part of the mixer assembly, and the outlet end of the lower side part of the mixer assembly is hermetically connected with the inlet end of the SDPF packaging assembly;
the inlet end of the DOC packaging assembly is in sealing fit with the outlet end of the supercharger through a sealing gasket, and a connecting clamp is sleeved outside the inlet end of the DOC packaging assembly and the outlet end of the supercharger;
the bottom of the inlet end of the DOC packaging assembly is fixedly connected with a DOC auxiliary support, the top of the SDPF packaging assembly is fixedly connected with an SDPF auxiliary support matched with the DOC auxiliary support, and the DOC auxiliary support is connected with the SDPF auxiliary support into a whole through a bolt;
the top of the mixer assembly is provided with an upper fixing support, the side part of the upper fixing support is connected with the side plate of the upper connecting support through a bolt, the bottom plate of the upper connecting support is connected with the top of the engine cylinder cover through an upper fixing bolt, and the fixing bolt sequentially penetrates through a butterfly gasket and the bottom plate to be connected with a threaded hole in the cylinder cover of the engine;
the bottom of the SDPF packaging assembly is provided with a lower bracket, the lower bracket is connected with a lower connecting support through a bolt, and the side part of the lower connecting support is connected with the side part of a cylinder body of the engine through a bolt.
And a hot air retention area is formed between the DOC auxiliary support and the SDPF auxiliary support and the mixer assembly.
The upper connecting bracket comprises a side plate and a bottom plate which are vertically connected, and two sides of the side plate are fixedly connected with two sides of the bottom plate through a reinforcing plate respectively;
the butterfly gasket is a gasket with a certain taper on the surface.
The lower bracket comprises a bolt fixing plate and a connecting plate, and two sides of the bolt fixing plate are fixedly connected with the bottom of the SDPF packaging assembly shell through the connecting plate;
the lower connecting support comprises a fixing seat and a supporting plate which are vertically connected, the bottom of the supporting plate is connected with the fixing seat through a reinforcing rib, the fixing seat is connected with the side portion of a cylinder body of the engine through a bolt, and the supporting plate is connected with a bolt fixing plate through a bolt.
The sealing gasket is of an annular structure, the middle part of the sealing gasket is a mica ring, and a plurality of layers of metal woven wire meshes are sleeved outside the mica ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a compact structure of aftertreatment assembly among tight coupling aftertreatment ware assembly's mounting structure, its installation fixed knot constructs fully can ensure under the steadiness of all processing apparatus and the prerequisite of durability, linking bridge and lower linking bridge are gone up in the utilization, install and fix the aftertreatment assembly, such design can compensate mounting structure's dimensional error, ensure firm stable the installing on the support of aftertreatment apparatus, mechanical strength satisfies the security personnel disaster prevention requirement of design and the poor spare part of peripheral high temperature tolerance ability. Therefore, the design and installation structure is reasonable in design and firm in fixation, and the influence of the size error on installation is effectively reduced.
2. The utility model relates to a DOC auxiliary stand and SDPF auxiliary stand and the blender assembly in the mounting structure of close coupling post processor assembly are formed with hot-air detention region between, it is thermal-insulated that the air has been realized to the stagnant hot-air in this region, make full use of exhaust energy promotes catalyst conversion efficiency, improve the NOx reduction efficiency of exhaust low temperature window, also need satisfy simultaneously under the compact space of arranging, the pencil, plastics, the security personnel's disaster prevention requirement of the spare part that peripheral high temperature tolerance such as rubber is poor. Therefore, the design structure is reasonable in design, and air heat insulation is effectively realized.
3. The utility model relates to a fixing bolt in the mounting structure of tight coupling post processor assembly passes butterfly gasket, bottom plate in proper order and is connected with the screw hole on the cylinder cap of engine, and the design of butterfly gasket has still played the effect of keeping apart the vibration satisfying under the prerequisite of connection requirement, has realized the thermal vibration mode of post processor assembly. Therefore, the design structure is reasonable in design, and the thermal vibration mode of the post-processor assembly is realized.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an installation schematic diagram of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a left side view of fig. 2.
Fig. 5 is a schematic view of the mounting of the upper attachment bracket of fig. 2.
Fig. 6 is a cross-sectional view of the butterfly shim of fig. 5.
Fig. 7 is an exploded view of the present invention.
Fig. 8 is a schematic cross-sectional view of the gasket of fig. 7.
In the figure: the DOC packaging assembly comprises a DOC packaging assembly 1, a DOC auxiliary support 11, a mixer assembly 2, an upper fixing support 21, a sealing gasket 3, a mica ring 31, a metal woven wire mesh 32, an SDPF packaging assembly 4, an SDPF auxiliary support 41, a connecting clamp 5, an upper connecting support 6, an upper fixing bolt 61, a butterfly gasket 62, a side plate 63, a bottom plate 64, a reinforcing plate 65, an engine 7, a lower bracket 8, a bolt fixing plate 81, a connecting plate 82, a lower connecting support 9, a fixing seat 91 and a supporting plate 92.
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 6, a mounting structure of a tightly coupled post-processor assembly includes a DOC package assembly 1, a mixer assembly 2 and an SDPF package assembly 4, an output end of the DOC package assembly 1 is connected with an inlet end of a lateral upper portion of the mixer assembly 2 in a sealing manner, and an outlet end of a lateral lower portion of the mixer assembly 2 is connected with an inlet end of the SDPF package assembly 4 in a sealing manner;
the inlet end of the DOC packaging assembly 1 is in sealing fit with the outlet end of the supercharger through a sealing gasket 3, and a connecting clamp 5 is sleeved outside the inlet end of the DOC packaging assembly 1 and the outlet end of the supercharger;
the bottom of the inlet end of the DOC packaging assembly 1 is fixedly connected with a DOC auxiliary support 11, the top of the SDPF packaging assembly 4 is fixedly connected with an SDPF auxiliary support 41 matched with the DOC auxiliary support 11, and the DOC auxiliary support 11 is connected with the SDPF auxiliary support 41 into a whole through bolts;
the top of the mixer assembly 2 is provided with an upper fixing support 21, the side part of the upper fixing support 21 is connected with a side plate 63 of an upper connecting support 6 through a bolt, a bottom plate 64 of the upper connecting support 6 is connected with the top of a cylinder cover of the engine 7 through an upper fixing bolt 61, and the fixing bolt 61 sequentially penetrates through a butterfly gasket 62 and the bottom plate 64 to be connected with a threaded hole in the cylinder cover of the engine 7;
the bottom of the SDPF packaging assembly 4 is provided with a lower bracket 8, the lower bracket 8 is connected with a lower connecting support 9 through a bolt, and the side part of the lower connecting support 9 is connected with the side part of the cylinder body of the engine 7 through a bolt.
The DOC sub mount 11 and the SDPF sub mount 41 form a hot air entrapment area with the mixer assembly 2.
The upper connecting bracket 6 comprises a side plate 63 and a bottom plate 64 which are vertically connected, and two sides of the side plate 63 are fixedly connected with two sides of the bottom plate 64 through a reinforcing plate 65 respectively;
the butterfly gasket 62 is a gasket with a certain taper on the surface.
The lower bracket 8 comprises a bolt fixing plate 81 and a connecting plate 82, and two sides of the bolt fixing plate 81 are fixedly connected with the bottom of the shell of the SDPF packaging assembly 4 through the connecting plate 82;
the lower connecting bracket 9 includes a fixing seat 91 and a supporting plate 92 which are vertically connected, the bottom of the supporting plate 92 is connected with the fixing seat 91 through a reinforcing rib, the fixing seat 91 is connected with the side portion of the cylinder body of the engine 7 through a bolt, and the supporting plate 92 is connected with the bolt fixing plate 81 through a bolt.
The sealing gasket 3 is of an annular structure, the middle part of the sealing gasket 3 is a mica ring 31, and a plurality of layers of metal woven wire meshes 32 are sleeved outside the mica ring 31.
The principle of the utility model is explained as follows:
SDPF (selective catalytic reduction particulate trap) ═ SCR (selective catalytic reduction technology) + DPF (particulate trap); DOC (oxidation catalyst).
Example 1:
a mounting structure of a tightly coupled postprocessor assembly comprises a DOC packaging assembly 1, a mixer assembly 2 and an SDPF packaging assembly 4, wherein the output end of the DOC packaging assembly 1 is hermetically connected with the inlet end of the upper side part of the mixer assembly 2, and the outlet end of the lower side part of the mixer assembly 2 is hermetically connected with the inlet end of the SDPF packaging assembly 4; the inlet end of the DOC packaging assembly 1 is in sealing fit with the outlet end of the supercharger through a sealing gasket 3, and a connecting clamp 5 is sleeved outside the inlet end of the DOC packaging assembly 1 and the outlet end of the supercharger; the bottom of the inlet end of the DOC packaging assembly 1 is fixedly connected with a DOC auxiliary support 11, the top of the SDPF packaging assembly 4 is fixedly connected with an SDPF auxiliary support 41 matched with the DOC auxiliary support 11, and the DOC auxiliary support 11 is connected with the SDPF auxiliary support 41 into a whole through bolts; the top of the mixer assembly 2 is provided with an upper fixing support 21, the side part of the upper fixing support 21 is connected with a side plate 63 of an upper connecting support 6 through a bolt, a bottom plate 64 of the upper connecting support 6 is connected with the top of a cylinder cover of the engine 7 through an upper fixing bolt 61, and the fixing bolt 61 sequentially penetrates through a butterfly gasket 62 and the bottom plate 64 to be connected with a threaded hole in the cylinder cover of the engine 7; the bottom of the SDPF packaging assembly 4 is provided with a lower bracket 8, the lower bracket 8 is connected with a lower connecting support 9 through a bolt, and the side part of the lower connecting support 9 is connected with the side part of the cylinder body of the engine 7 through a bolt.
Example 2:
example 2 is substantially the same as example 1 except that:
a hot air retention area is formed between the DOC auxiliary support 11 and the SDPF auxiliary support 41 and the mixer assembly 2; the upper connecting bracket 6 comprises a side plate 63 and a bottom plate 64 which are vertically connected, and two sides of the side plate 63 are fixedly connected with two sides of the bottom plate 64 through a reinforcing plate 65 respectively; the butterfly gasket 62 is a gasket with a certain taper on the surface; the lower bracket 8 comprises a bolt fixing plate 81 and a connecting plate 82, and two sides of the bolt fixing plate 81 are fixedly connected with the bottom of the shell of the SDPF packaging assembly 4 through the connecting plate 82; the lower connecting bracket 9 includes a fixing seat 91 and a supporting plate 92 which are vertically connected, the bottom of the supporting plate 92 is connected with the fixing seat 91 through a reinforcing rib, the fixing seat 91 is connected with the side portion of the cylinder body of the engine 7 through a bolt, and the supporting plate 92 is connected with the bolt fixing plate 81 through a bolt.
Example 3:
example 3 is substantially the same as example 2 except that:
the sealing gasket 3 is of an annular structure, the middle part of the sealing gasket 3 is a mica ring 31, and a plurality of layers of metal woven wire meshes 32 are sleeved outside the mica ring 31.
Claims (5)
1. A mounting structure of a close-coupled post-processor assembly, comprising a DOC package assembly (1), a mixer assembly (2) and an SDPF package assembly (4), wherein an output end of the DOC package assembly (1) is hermetically connected with an upper side inlet end of the mixer assembly (2), and a lower side outlet end of the mixer assembly (2) is hermetically connected with an inlet end of the SDPF package assembly (4), characterized in that:
the inlet end of the DOC packaging assembly (1) is in sealing fit with the outlet end of the supercharger through a sealing gasket (3), and a connecting clamp (5) is sleeved outside the inlet end of the DOC packaging assembly (1) and the outlet end of the supercharger;
the bottom of the inlet end of the DOC packaging assembly (1) is fixedly connected with a DOC auxiliary support (11), the top of the SDPF packaging assembly (4) is fixedly connected with an SDPF auxiliary support (41) matched with the DOC auxiliary support (11), and the DOC auxiliary support (11) is connected with the SDPF auxiliary support (41) into a whole through bolts;
an upper fixing support (21) is arranged at the top of the mixer assembly (2), the side part of the upper fixing support (21) is connected with a side plate (63) of an upper connecting support (6) through a bolt, a bottom plate (64) of the upper connecting support (6) is connected with the top of a cylinder cover of the engine (7) through an upper fixing bolt (61), and the fixing bolt (61) sequentially penetrates through a butterfly gasket (62) and the bottom plate (64) to be connected with a threaded hole in the cylinder cover of the engine (7);
the bottom of the SDPF packaging assembly (4) is provided with a lower bracket (8), the lower bracket (8) is connected with a lower connecting support (9) through a bolt, and the side part of the lower connecting support (9) is connected with the side part of a cylinder body of the engine (7) through a bolt.
2. A mounting structure for a tightly coupled post-processor assembly according to claim 1, wherein:
a hot air retention area is formed between the DOC auxiliary support (11) and the SDPF auxiliary support (41) and the mixer assembly (2).
3. A mounting structure for a tightly coupled post-processor assembly according to claim 1 or 2, wherein:
the upper connecting bracket (6) comprises a side plate (63) and a bottom plate (64) which are vertically connected, and two sides of the side plate (63) are fixedly connected with two sides of the bottom plate (64) through a reinforcing plate (65) respectively;
the butterfly-shaped gasket (62) is a gasket with a certain taper on the surface.
4. A mounting structure for a tightly coupled post-processor assembly according to claim 3, wherein:
the lower bracket (8) comprises a bolt fixing plate (81) and a connecting plate (82), and two sides of the bolt fixing plate (81) are fixedly connected with the bottom of the shell of the SDPF packaging assembly (4) through the connecting plate (82);
the lower connecting support (9) comprises a fixing seat (91) and a supporting plate (92) which are vertically connected, the bottom of the supporting plate (92) is connected with the fixing seat (91) through a reinforcing rib, the fixing seat (91) is connected with the side portion of a cylinder body of the engine (7) through a bolt, and the supporting plate (92) is connected with the bolt fixing plate (81) through a bolt.
5. The mounting structure of a tightly coupled post-processor assembly as claimed in claim 4, wherein:
the sealing gasket (3) is of an annular structure, the middle part of the sealing gasket (3) is a mica ring (31), and the mica ring (31) is externally sleeved with a plurality of layers of metal woven wire meshes (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021366782.8U CN212716841U (en) | 2020-07-13 | 2020-07-13 | Mounting structure of tight coupling post processor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021366782.8U CN212716841U (en) | 2020-07-13 | 2020-07-13 | Mounting structure of tight coupling post processor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212716841U true CN212716841U (en) | 2021-03-16 |
Family
ID=74983292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021366782.8U Active CN212716841U (en) | 2020-07-13 | 2020-07-13 | Mounting structure of tight coupling post processor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212716841U (en) |
-
2020
- 2020-07-13 CN CN202021366782.8U patent/CN212716841U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201723289U (en) | Tightly coupled exhaust manifold assembly of welded exhaust manifold | |
| CN209586493U (en) | A kind of U-shaped after-treatment system bracket | |
| CN212716841U (en) | Mounting structure of tight coupling post processor assembly | |
| CN111365111A (en) | Tail gas aftertreatment encapsulation | |
| CN212318137U (en) | Post-processor assembly suitable for light passenger vehicle type chassis arrangement and mounting structure thereof | |
| CN208749439U (en) | The fixed device of the post processor of engine assembly of car exhaust system | |
| CN112648046B (en) | Tightly-arranged engine tail gas treatment system | |
| CN107701285B (en) | Cantilever type urea solution tank fixed knot constructs | |
| CN212838031U (en) | Linear type exhaust purification post-treatment device for national six-diesel engine | |
| KR101550315B1 (en) | Mounting structure of exhausting apparatus for vehicle | |
| CN209586471U (en) | Post-process bracket | |
| CN212616901U (en) | Connecting and sealing structure for high-frequency thermal vibration end of exhaust system | |
| CN215633244U (en) | Diesel oil tight coupling DOC + DPF aftertreatment device | |
| CN212430287U (en) | Marine SCR reactor fixed knot constructs | |
| CN203009016U (en) | Three-way catalyst for turbocharging petrol engine | |
| CN216974985U (en) | Catalyst converter fixed bolster | |
| CN217300721U (en) | Electric control exhaust throttle valve member | |
| CN112050038A (en) | Marine SCR reactor fixed knot constructs | |
| CN216974978U (en) | Novel air guide hard tube integrated support structure | |
| CN217440144U (en) | Integrated mounting bracket for bulldozer exhaust aftertreatment and air filtration | |
| CN211777662U (en) | Catalytic purifier of end cover is given vent to anger to abnormal shape | |
| CN219317033U (en) | Tightly coupled SCR post-processor | |
| CN215566191U (en) | Integrated EGR's catalyst converter and engine | |
| CN220227023U (en) | U-shaped packaging single-side suction disassembly structure meeting national six standards | |
| CN214836647U (en) | DOC heater wire protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |