CN108661757A - A kind of harmful influence vehicle exhaust system - Google Patents
A kind of harmful influence vehicle exhaust system Download PDFInfo
- Publication number
- CN108661757A CN108661757A CN201810403970.4A CN201810403970A CN108661757A CN 108661757 A CN108661757 A CN 108661757A CN 201810403970 A CN201810403970 A CN 201810403970A CN 108661757 A CN108661757 A CN 108661757A
- Authority
- CN
- China
- Prior art keywords
- outer race
- cylinder outer
- exhaust system
- harmful influence
- vehicle
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/06—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for extinguishing sparks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of harmful influence vehicle exhaust systems; by the way that the arrangement of exhaust system and trend are reset; its tail gas exhaust outlet is placed in vehicle front end, makes exhaust outlet as far as possible far from conveying medium, and in exhaust ports installation flameproof enclosure for extinguishing tail gas spark；This kind of exhaust system effectively reduces the risk of vehicle fire, can effectively reach fire prevention purpose.
Description
Technical field
The present invention relates to vehicle exhaust field more particularly to a kind of harmful influence vehicle exhaust systems.
Background technology
The position of exhaust system exhaust outlet is at the middle part on chassis at present, and tail gas is directly discharged in air, ordinary circumstance,
Can be entrainment of some Mars in tail gas, but any device is not arranged and handles the Mars in tail gas for exhaust ports, for
There is no any problems for common vehicle, but dangerous very big for harmful influence transport vehicle, and there is larger safety is hidden
Suffer from, the Mars in tail gas can cause vehicle fire even to explode.
Invention content
The object of the present invention is to provide a kind of harmful influence vehicle exhaust systems, to solve the problems of the prior art, to exhaust
System is transformed, and reduces danger coefficient.
The present invention provides a kind of harmful influence vehicle exhaust system, the harmful influence vehicle exhaust system includes：
The first end of front exhaust pipe, the front exhaust pipe is connect with engine, and the second end of front exhaust pipe is along the vehicle frame right side
Longeron extends to vehicle rear；
Urea tank, the urea tank are arranged on the outside of vehicle frame right vertical beam；
Straight tube, the second end vertical connection of the first end and front exhaust pipe of the mixing straight tube are mixed, and urea tank passes through
Injection pipe is connect with the mixing straight tube；
Catalytic reduction reaction device with noise elimination function, the catalytic reduction reaction device are arranged in the left longeron of vehicle frame
Outside, the second end for mixing straight tube are connect with the entrance of catalytic reduction reaction device；
The first end of heel row tracheae, the heel row tracheae is connect with the outlet of catalytic reduction reaction device, heel row tracheae
Second end extends along the left longeron of vehicle frame to front part of vehicle, is tail gas exhaust outlet at the second end of heel row tracheae, and the tail gas is arranged
Gas port is located at front of the car；
Flameproof enclosure, the flameproof enclosure cover is on tail gas exhaust outlet.
Preferably, the flameproof enclosure includes：
First cylinder outer race, the second cylinder outer race and third cylinder outer race connected in sequence, the first end of the first cylinder outer race are provided with
Connecting flange, for being connect with tail gas exhaust outlet outer edge, the diameter of the second cylinder outer race is more than the diameter of the first cylinder outer race；
Connecting tube, the cylindrical cap being arranged inside the first cylinder outer race, the second cylinder outer race and third cylinder outer race, the connecting tube
First end connect with tail gas exhaust outlet, the first end of the second end of connecting tube and cylindrical cap connects, and the second end of cylindrical cap is set
It is equipped with cellular outlet, movable catch is provided in cellular outlet, the diameter of cylindrical cap is more than connection pipe diameter；
The central rotating shaft of the butterfly valve being arranged inside cylindrical cap, the butterfly valve sequentially passes through cylindrical cap, the second cylinder outer race simultaneously
Extend to outside；
Operation handle outside the second cylinder outer race, the central rotating shaft connection of the operation handle and butterfly valve are set；
Ring baffle far from second cylinder outer race one end is set on third cylinder outer race, is provided on the ring baffle more
A the first evenly distributed semicircle orifice；
The round connecting plate being arranged at ring baffle middle through-hole, it is described circle connecting plate on be provided with multiple uniform rows
Second semicircle orifice of row, and the diameter of the second semicircle orifice is less than the diameter of the first semicircle orifice.
Preferably, being connected by circular boop between the second cylinder outer race and third cylinder outer race.
Preferably, being connected with bellows between the second end and the entrance of catalytic reduction reaction device of mixing straight tube.
Preferably, the catalytic reduction reaction device includes：
Shell；
Noise elimination cavity inside housings is set, partition board is provided in the noise elimination cavity, it is anti-that reduction is provided on the partition board
Answer catalyst.
Preferably, the harmful influence vehicle exhaust system further includes：
The reinforced support being arranged between vehicle frame right vertical beam and the left longeron of vehicle frame, and the front exhaust pipe and reinforcement branch
Frame is fixedly connected；
Connecting bracket, the connecting bracket are fixedly connected with heel row tracheae, the left longeron of vehicle frame respectively.
Preferably, the outer diameter of the heel row tracheae is 110mm.
Harmful influence vehicle exhaust system provided by the invention, by the way that the arrangement of exhaust system and trend are reset,
Its tail gas exhaust outlet is placed in vehicle front end, makes exhaust outlet as far as possible far from conveying medium, and anti-in exhaust ports installation
Fire cover is for extinguishing tail gas spark；This kind of exhaust system effectively reduces the risk of vehicle fire, can effectively reach fire prevention
Purpose.
Description of the drawings
Fig. 1 is the structural schematic diagram of harmful influence vehicle exhaust system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram for the harmful influence vehicle exhaust system that further embodiment of this invention provides；
Fig. 3 is the structural schematic diagram for the urea tank that further embodiment of this invention provides；
Reference sign：
1- front exhaust pipes；2- urea tanks, 21- injection pipes；3- mixing straight tubes；4- reinforced supports；5- bellowss；6- catalysis is also
Former reaction unit；7- heel row tracheaes；8- connecting brackets；9- flameproof enclosures, 91- connecting flanges, the first cylinder outer races of 92-, 93- second
Shape shell, 94- third cylinder outer races, 95- circular boops, 96- central rotating shafts, 97- operation handles, 98- ring baffles, the first semicircles of 981-
Hole, 99- circle connecting plates, the second semicircle orifices of 991-；10- vehicle frames.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
As shown in Figure 1, an embodiment of the present invention provides a kind of harmful influence vehicle exhaust system, the harmful influence vehicle exhaust system
Including：
The first end of front exhaust pipe 1, the front exhaust pipe 1 is connect with engine, and the second end of front exhaust pipe 1 is along vehicle frame
Right vertical beam extends to vehicle rear；
Urea tank 2, the urea tank 2 are arranged on the outside of vehicle frame right vertical beam；
Mix straight tube 3, the second end vertical connection of the first end and front exhaust pipe 1 of the mixing straight tube 3, and urea tank 2
It is connect with the mixing straight tube 3 by injection pipe 21；
Catalytic reduction reaction device 6 with noise elimination function, the catalytic reduction reaction device 6 are arranged in the left longeron of vehicle frame
Outside, mixing straight tube 3 second end connect with the entrance of catalytic reduction reaction device 6；
The first end of heel row tracheae 7, the heel row tracheae 7 is connect with the outlet of catalytic reduction reaction device 6, heel row tracheae
7 second end extends along the left longeron of vehicle frame to front part of vehicle, is tail gas exhaust outlet at the second end of heel row tracheae 7, and the tail
Gas exhaust outlet is located at front of the car；
Flameproof enclosure 9, the cover of the flameproof enclosure 9 is on tail gas exhaust outlet.
Wherein, heel row tracheae 7 is vertically arranged with straight tube 3 is mixed, and urea tank 2 is sprayed urea to mixing by injection pipe 21
Straight tube 3 is mixed with the tail gas mixed in straight tube 3, is then input to catalytic reduction reaction device 6 and is reacted.
As shown in Fig. 2, Fig. 3 is also can be found in, preferably, the flameproof enclosure 9 includes：
First cylinder outer race 92, the second cylinder outer race 93 and third cylinder outer race 94 connected in sequence, the first of the first cylinder outer race 92
End is provided with connecting flange 91, and for being connect with tail gas exhaust outlet outer edge, the diameter of the second cylinder outer race 93 is more than the first tubular
The diameter of shell 92；
Connecting tube, the cylindrical cap being arranged inside the first cylinder outer race 92, the second cylinder outer race 93 and third cylinder outer race 94, it is described
The first end of connecting tube is connect with tail gas exhaust outlet, and the first end of the second end of connecting tube and cylindrical cap connects, and the of cylindrical cap
Two ends are provided with cellular outlet, and movable catch is provided in cellular outlet, and the diameter of cylindrical cap is more than connection pipe diameter；
The central rotating shaft 96 of the butterfly valve being arranged inside cylindrical cap, the butterfly valve sequentially passes through cylindrical cap, the second cylinder outer race
93 and extend to outside；
Operation handle 97 outside the second cylinder outer race 93 is set, and the operation handle 97 and the central rotating shaft 96 of butterfly valve connect
It connects；
Ring baffle 98 far from 93 one end of the second cylinder outer race is set on third cylinder outer race 94, on the ring baffle 98
It is provided with multiple the first evenly distributed semicircle orifices 981；
Round connecting plate 99 at 98 middle through-hole of ring baffle is set, is provided on the circle connecting plate 99 multiple
The second evenly distributed semicircle orifice 991, and the diameter of the second semicircle orifice 991 is less than the diameter of the first semicircle orifice 981.
Wherein, in cylindrical cap, second end is provided with cellular outlet, and movable gear is provided in cellular outlet
Piece stops the tail gas being discharged through butterfly valve the tail gas for carrying Mars secretly collides internal catch in the form of being vortexed revolution again, it
The Mars in tail gas is delayed in the valve chamber afterwards；
It is discharged later by the contraction type gas vent of 94 end set of third cylinder outer race, i.e., is equipped with the moon on ring baffle 98
Thread form pilot hole (the first semicircle orifice 981), the round connecting plate of center discharge port (98 middle through-hole of ring baffle) setting of diminution
99, multiple the second evenly distributed semicircle orifices 991 are provided on round connecting plate 99, and the tail gas being discharged through semicircle orifice further goes out
Fire so that without entrainment Mars, reach extinguishing Mars, the purpose for preventing fire from occurring；The diameter of second semicircle orifice 991 is small
In the diameter of the first semicircle orifice 981, convenient for the Mars for various concentration into horizontal blanking.
Preferably, being connected by circular boop 95 between the second cylinder outer race 93 and third cylinder outer race 94.
Preferably, being connected with bellows 5 between the second end and the entrance of catalytic reduction reaction device 6 of mixing straight tube 3.
Preferably, the catalytic reduction reaction device 6 includes：
Shell；
Noise elimination cavity inside housings is set, partition board is provided in the noise elimination cavity, it is anti-that reduction is provided on the partition board
Answer catalyst.
Preferably, the harmful influence vehicle exhaust system further includes：
The reinforced support 4 being arranged between vehicle frame right vertical beam and the left longeron of vehicle frame, and the front exhaust pipe 1 and the reinforcement
Holder 4 is fixedly connected；
Connecting bracket 8, the connecting bracket 8 are fixedly connected with heel row tracheae 7, the left longeron of vehicle frame respectively.
Preferably, the outer diameter of the heel row tracheae 7 is 110mm.
Wherein, front exhaust pipe 1 uses SUS304 materials with heel row tracheae 7, and resistant to urea corrosivity is preferable, and outer diameter can be set
It is set to 110mm, effectively reduces exhaust back pressure；Urea tank 2 is arranged in vehicle frame right vertical beam, by urea injection pipe 21 that urea is water-soluble
It is sprayed into the second end of front exhaust pipe 1 after liquid gasification, in the nozzle and catalytic reduction reaction device 6 of the second end of front exhaust pipe 1
Between setting one section mixing straight tube 3, be sufficiently mixed conducive to urea and tail gas, finally arrive inside catalytic reduction reaction device 6 and urged
Change reduction reaction；6 inlet of catalytic reduction reaction device is designed with 5 structure of bellows, plays damping effect, effectively reduces catalysis
Vibratory impulse suffered by 6 inlet of reduction reaction device reduces risk of breakage.
Harmful influence vehicle exhaust system provided by the invention, by the way that the arrangement of exhaust system and trend are reset,
This kind of exhaust system is winding type structure, and tail gas exhaust outlet is placed in vehicle front end, makes exhaust outlet as far as possible far from transport
Medium, and in exhaust ports installation flameproof enclosure 9 for extinguishing tail gas spark；This kind of exhaust system effectively reduces vehicle and fire occurs
The risk of calamity can effectively reach fire prevention purpose.
The structure, feature and effect of the present invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range, every structure according to the present invention shown in drawing
Change made by thinking, or is revised as the equivalent embodiment of equivalent variations, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (7)
1. a kind of harmful influence vehicle exhaust system, which is characterized in that the harmful influence vehicle exhaust system includes：
The first end of front exhaust pipe, the front exhaust pipe is connect with engine, and the second end of front exhaust pipe is along vehicle frame right vertical beam
Extend to vehicle rear；
Urea tank, the urea tank are arranged on the outside of vehicle frame right vertical beam；
Straight tube, the second end vertical connection of the first end and front exhaust pipe of the mixing straight tube are mixed, and urea tank passes through injection
Pipe is connect with the mixing straight tube；
Catalytic reduction reaction device with noise elimination function, the catalytic reduction reaction device are arranged in the outer of the left longeron of vehicle frame
Side, the second end for mixing straight tube are connect with the entrance of catalytic reduction reaction device；
The first end of heel row tracheae, the heel row tracheae is connect with the outlet of catalytic reduction reaction device, and the second of heel row tracheae
End extends along the left longeron of vehicle frame to front part of vehicle, is tail gas exhaust outlet at the second end of heel row tracheae, and the tail gas exhaust outlet
Positioned at front of the car；
Flameproof enclosure, the flameproof enclosure cover is on tail gas exhaust outlet.
2. harmful influence vehicle exhaust system according to claim 1, which is characterized in that the flameproof enclosure includes：
First cylinder outer race, the second cylinder outer race and third cylinder outer race connected in sequence, the first end of the first cylinder outer race are provided with connection
Flange, for being connect with tail gas exhaust outlet outer edge, the diameter of the second cylinder outer race is more than the diameter of the first cylinder outer race；
Connecting tube, the cylindrical cap being arranged inside the first cylinder outer race, the second cylinder outer race and third cylinder outer race, the of the connecting tube
One end is connect with tail gas exhaust outlet, and the second end of connecting tube and the first end of cylindrical cap connect, and the second end of cylindrical cap is provided with
Cellular outlet, movable catch is provided in cellular outlet, and the diameter of cylindrical cap is more than connection pipe diameter；
The central rotating shaft of the butterfly valve being arranged inside cylindrical cap, the butterfly valve sequentially passes through cylindrical cap, the second cylinder outer race and extends to
It is external；
Operation handle outside the second cylinder outer race, the central rotating shaft connection of the operation handle and butterfly valve are set；
Ring baffle far from second cylinder outer race one end is set on third cylinder outer race, is provided on the ring baffle multiple equal
First semicircle orifice of even arrangement；
The round connecting plate being arranged at ring baffle middle through-hole, it is described circle connecting plate on be provided with it is multiple evenly distributed
Second semicircle orifice, and the diameter of the second semicircle orifice is less than the diameter of the first semicircle orifice.
3. harmful influence vehicle exhaust system according to claim 2, which is characterized in that the second cylinder outer race and third cylinder outer race it
Between connected by circular boop.
4. harmful influence vehicle exhaust system according to claim 1, which is characterized in that the second end and catalysis for mixing straight tube are gone back
It is connected with bellows between the entrance of former reaction unit.
5. harmful influence vehicle exhaust system according to claim 1, which is characterized in that the catalytic reduction reaction device packet
It includes：
Shell；
Noise elimination cavity inside housings is set, partition board is provided in the noise elimination cavity, being provided with reduction reaction on the partition board urges
Agent.
6. harmful influence vehicle exhaust system according to claim 1, which is characterized in that the harmful influence vehicle exhaust system is also wrapped
It includes：
The reinforced support being arranged between vehicle frame right vertical beam and the left longeron of vehicle frame, and the front exhaust pipe and the reinforced support are solid
Fixed connection；
Connecting bracket, the connecting bracket are fixedly connected with heel row tracheae, the left longeron of vehicle frame respectively.
7. harmful influence vehicle exhaust system according to claim 1, which is characterized in that the outer diameter of the heel row tracheae is
110mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403970.4A CN108661757B (en) | 2018-04-28 | 2018-04-28 | A kind of harmful influence vehicle exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403970.4A CN108661757B (en) | 2018-04-28 | 2018-04-28 | A kind of harmful influence vehicle exhaust system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108661757A true CN108661757A (en) | 2018-10-16 |
| CN108661757B CN108661757B (en) | 2019-10-25 |
Family
ID=63781549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810403970.4A Active CN108661757B (en) | 2018-04-28 | 2018-04-28 | A kind of harmful influence vehicle exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108661757B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052536A1 (en) * | 2020-09-11 | 2022-03-17 | 中车大连机车研究所有限公司 | Exhaust system for diesel locomotive |
| CN114562357A (en) * | 2022-02-28 | 2022-05-31 | 东风汽车股份有限公司 | Exhaust system of hazardous chemical transport vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2084983U (en) * | 1990-12-06 | 1991-09-18 | 王明文 | Safety fire cover for exhaust pipe of motor vehicle |
| CN2092607U (en) * | 1991-05-13 | 1992-01-08 | 陈惠春 | Purifying and sound-absorbing devices for automobile |
| JPH0462313U (en) * | 1990-10-04 | 1992-05-28 | ||
| CN2280776Y (en) * | 1996-11-28 | 1998-05-06 | 王明文 | Safety fire-retardant cover for exhaust tube of motor vehicle |
| CN102410067A (en) * | 2011-12-08 | 2012-04-11 | 寇志鹏 | Switchable spiral-flow type exhaust gas spark arrester for automotive vehicle |
| CN205022362U (en) * | 2015-10-15 | 2016-02-10 | 安徽江淮汽车股份有限公司 | Exhaust system of hazardous articles transport vechicle |
-
2018
- 2018-04-28 CN CN201810403970.4A patent/CN108661757B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0462313U (en) * | 1990-10-04 | 1992-05-28 | ||
| CN2084983U (en) * | 1990-12-06 | 1991-09-18 | 王明文 | Safety fire cover for exhaust pipe of motor vehicle |
| CN2092607U (en) * | 1991-05-13 | 1992-01-08 | 陈惠春 | Purifying and sound-absorbing devices for automobile |
| CN2280776Y (en) * | 1996-11-28 | 1998-05-06 | 王明文 | Safety fire-retardant cover for exhaust tube of motor vehicle |
| CN102410067A (en) * | 2011-12-08 | 2012-04-11 | 寇志鹏 | Switchable spiral-flow type exhaust gas spark arrester for automotive vehicle |
| CN205022362U (en) * | 2015-10-15 | 2016-02-10 | 安徽江淮汽车股份有限公司 | Exhaust system of hazardous articles transport vechicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052536A1 (en) * | 2020-09-11 | 2022-03-17 | 中车大连机车研究所有限公司 | Exhaust system for diesel locomotive |
| CN114562357A (en) * | 2022-02-28 | 2022-05-31 | 东风汽车股份有限公司 | Exhaust system of hazardous chemical transport vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108661757B (en) | 2019-10-25 |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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