CN106703961A - Connection frame for automobile engine exhaust emission system and production process of connection frame - Google Patents
Connection frame for automobile engine exhaust emission system and production process of connection frame Download PDFInfo
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- CN106703961A CN106703961A CN201611175346.0A CN201611175346A CN106703961A CN 106703961 A CN106703961 A CN 106703961A CN 201611175346 A CN201611175346 A CN 201611175346A CN 106703961 A CN106703961 A CN 106703961A
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- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/16—Selection of particular materials
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention provides a connection frame for an automobile engine exhaust emission system. The connection frame comprises a frame body with a hole I, a hole II and a hole III formed in the frame body, wherein the hole I and the hole II are formed in one side edge of the frame body; the hole II and the hole III are formed in the other side edge of the frame body; the upper side surface of the frame body is connected with the lower ends of rib plates; the top ends of the rib plates are connected with an upper end fixing hole; the two rib plates are connected below the upper end fixing hole into a whole to be connected with the upper end fixing hole; and the surface of the frame body is coated with a wear-resistant metal coating. The wear-resistant metal coating comprises the following components by mass percent: 0.21-0.23% of C, 0.13-0.17% of Mg, 0.62-0.65% of Cu, 0.45-0.48% of W, 0.55-0.58% of Ti, 5.32-5.35% of Cr, 0.37-0.39% of Ni, 0.42-0.45% of Mo, 0.23-0.25% of Co, 3.42-3.45% of Ca, 11-13% of rare earth, and the balance of Fe and trace impurities.
Description
Technical field
The present invention relates to technical field of automobile engine, more particularly, to a kind of automobile engine exhaust system connecting bracket
And its production technology.
Background technology
Automobile exhaust system refers to the system for collecting and discharging waste gas, typically by exhaust manifold, blast pipe, catalytic conversion
Device, exhaust gas temperature sensor, automotive muffler and tailpipe etc. are constituted, and automobile is in use due to oil supply system, point
The failures such as fiery system, engine overheat, tempering cause three-way catalytic converter carrier to sinter, peel off, exhaust resistance increase, because
This, the support of gas extraction system connection needs to undertake certain pressure, existing connection bracket of automobile engine using pin-connected panel or
Person is manufactured using Sheet Metal Forming Technology, has saved production cost, but stability is poor, and supports the size disunity of frame aperture, no
It is easy to the replacing of part.
The content of the invention
It is an object of the invention to provide a kind of automobile engine exhaust system connecting bracket and its production technology, to overcome
It is not enough present in existing automobile engine exhaust system connecting bracket.
The technical proposal of the invention is realized in this way：A kind of automobile engine exhaust system connecting bracket, including support
Body, upper end fixing hole, gusset, Kong Yi, hole two and hole three, are provided with hole one, hole two and hole three, Kong Yiyu holes on rack body
Two sides for being placed in rack body, Kong Eryu holes three are placed in another side of rack body, the upper side and muscle of rack body
The lower end connection of plate, the top of gusset is connected with upper end fixing hole；
Rack body surface is coated with one layer of antifriction metal (AFM) coating, and the component of antifriction metal (AFM) coating is by mass percentage：C：0.21-
0.23%, Mg：0.13-0.17%, Cu：0.62-0.65%, W：0.45-0.48%, Ti：0.55-0.58%, Cr：5.32-5.35%,
Ni：0.37-0.39%, Mo：0.42-0.45%, Co：0.23-0.25%, Ca：3.42-3.45%, rare earth：11-13%, remaining is Fe
And trace impurity；
In rare earth, by weight percentage comprising following components：La：5.2-5.5%, Ce：7.6-7.8%, Pm：5.2-5.6%, Nd：
5.5-5.8%, Eu：3.1-3.3%, Sm：5.5-5.8%, balance of Gd.
Foregoing automobile engine exhaust system connecting bracket, the component of antifriction metal (AFM) coating is by mass percentage：C：
0.21%, Mg：0.13%, Cu：0.62%, W：0.45%, Ti：0.55%, Cr：5.32%, Ni：0.37%, Mo：0.42%, Co：0.23%,
Ca：3.42%, rare earth：11%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：5.2%, Ce：7.6%, Pm：5.2%, Nd：5.5%, Eu：3.1%,
Sm：5.5%, balance of Gd.
Foregoing automobile engine exhaust system connecting bracket, the component of antifriction metal (AFM) coating is by mass percentage：C：
0.23%, Mg：0.17%, Cu：0.65%, W：0.48%, Ti：0.58%, Cr：5.35%, Ni：0.39%, Mo：0.45%, Co：0.25%,
Ca：3.45%, rare earth：13%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：5.5%, Ce：7.8%, Pm：5.6%, Nd：5.8%, Eu：3.3%,
Sm：5.8%, balance of Gd.
Foregoing automobile engine exhaust system connecting bracket, the component of antifriction metal (AFM) coating is by mass percentage：C：
0.22%, Mg：0.15%, Cu：0.63%, W：0.47%, Ti：0.56%, Cr：5.34%, Ni：0.38%, Mo：0.43%, Co：0.24%,
Ca：3.43%, rare earth：12%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：5.3%, Ce：7.7%, Pm：5.4%, Nd：5.6%, Eu：3.2%,
Sm：5.7%, balance of Gd.
Foregoing automobile engine exhaust system connecting bracket, the preparation method of antifriction metal (AFM) coating is entered according to the following steps
OK：
Step（1）：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth, the 3rd
Part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, is heated to 1200-
1250 DEG C, 5-8 hours is incubated, is then air cooled to 450-460 DEG C, be then again heated to 770-790 DEG C, be incubated 30-45min,
Then room temperature is air cooled to, then metal derby is put into ball mill and is crushed, cross 100 mesh numbers, obtain metal dust A；
Step（2）：Metal dust A in step 1 is well mixed with first part of rare earth, steel plate table is sprayed into using spraying equipment
Face, thickness is 0.22-0.25mm, is then heated to 800-890 DEG C, is incubated 5-8 hours, is then air cooled to room temperature, then again will
Steel plate is heated to 300-350 DEG C, and second part of rare earth is uniformly sprayed to surface of steel plate surface, is then heated to 600-650 DEG C,
Insulation 30-60min, is then put into rapidly in cooling oil and quickly cools down, be cooled to 310-330 DEG C it is rapid take out, then again
400-450 DEG C is heated to, 5-8 hours is incubated, then the 3rd part of rare earth is uniformly sprayed to surface of steel plate surface, then heated
To 680-720 DEG C, 15-30min is incubated, then using air-cooled, is cooled to 280-290 DEG C with the speed of 10-15 DEG C/min, then
It is air cooled to room temperature；
Step（3）：Steel plate is carried out into first time heat treatment：Steel plate is heated to 620-630 DEG C, 11-13h is incubated, wind is then used
The cold speed with 1-3 DEG C/s is cooled to room temperature, is then again heated to 480-520 DEG C, is incubated 1-3 hours, then using water-cooled, with
The speed of 15-18 DEG C/min is cooled to 220-250 DEG C, is then incubated 5-8 hours, is finally air cooled to room temperature, then cleans surface,
Inspection size.
Preferably, the size of Kong Yi, hole two and hole three is, uniform sizes.
Preferably, gusset has two, and two gussets are respectively in the lower section integral and upper end of connection remittance of upper end fixing hole
Fixing hole is connected, and strengthens the intensity of its support.
Preferably, the profile fillet size of upper end fixing hole is, attractive in appearance and have fillet to be excessively easily installed.
Preferably, the angle between the extended line of the center line in upper end fixing hole hole and the horizontal diameter of hole two is degree, according to
Specific installation requirements and the angle value that sets.
Preferably, rack body is manufactured using foundry engieering, and deburring, burr treatment are gone in surface, are kept away while attractive in appearance
Exempt from the palm of the master worker of scratch construction.
Above-mentioned technical proposal is employed, beneficial effects of the present invention are：
The present invention, by the hole using design uniform sizes, facilitates the replacing of part and uses, and the support uses foundry engieering system
Make, there is more preferable stability compared to stamped, take two gusset support upper end fixing holes, more stable, the present invention
Simple structure, casting is durable, reliable and stable.
Surface of steel plate scribbles antifriction metal (AFM) coating, and Cu elements are added in coating can increase the strong of antifriction metal (AFM) coating surface
Degree and antioxygenic property, improve service life；Adding Mg elements can improve its welding performance, increase its corrosion resistance and strong
Degree；Add Cr, Ni element to form nichrome coating, increase the anticorrosive effect of surface of steel plate, and crocking resistance and resistance to
High-temperature behavior is significantly improved, and increases its service life, and is also added into rare earth element, and rare earth is by three additions, layer stackup
Plus, the combination of rare earth element and metallic element can be promoted, bulk strength is improved, and by operations such as temperature, time and coolings,
Ensure to be firmly combined between rare earth and steel plate, it is to avoid space occur, improve overall intensity,
And rare earth crystal grain thinning in heat treatment process, reduces secondary intergranular away from reducing the gas in alloy and be mingled with, and make
Constituent phases tend to nodularization；Smelt surface tension can be also reduced, increases mobility, processing performance is had significantly improved, increased
The decay resistance of steel plate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is structural representation of the invention；
Wherein：1- rack bodies, 2- upper ends fixing hole, 3- gussets, 4- holes one, 5- holes two, 6- holes three.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments；It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
The invention provides a kind of automobile engine exhaust system connecting bracket as shown in Figure 1, including rack body 1, upper end
Fixing hole 2, gusset 3, hole 1, hole 25 and hole 36, are provided with hole 1, hole 25 and hole 36 on rack body 1, hole 1 with
Hole 25 is placed in a side of rack body 1, and hole 25 is placed in another side of rack body 1 with hole 36, rack body 1 it is upper
Side is connected with the lower end of gusset 3, and the top of gusset 3 is connected with upper end fixing hole 2.
The surface of rack body 1 is coated with one layer of antifriction metal (AFM) coating 12, and the component of antifriction metal (AFM) coating is by mass percentage：
C：0.21%, Mg：0.13%, Cu：0.62%, W：0.45%, Ti：0.55%, Cr：5.32%, Ni：0.37%, Mo：0.42%, Co：
0.23%, Ca：3.42%, rare earth：11%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：5.2%, Ce：7.6%, Pm：5.2%, Nd：5.5%, Eu：3.1%,
Sm：5.5%, balance of Gd；
The preparation method of antifriction metal (AFM) coating is carried out according to the following steps：
Step（1）：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth, the 3rd
Part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, is heated to 1200 DEG C,
Insulation 5 hours, is then air cooled to 450 DEG C, is then again heated to 770 DEG C, is incubated 30min, is then air cooled to room temperature, then will
Metal derby is crushed in being put into ball mill, crosses 100 mesh numbers, obtains metal dust A；
Step（2）：Metal dust A in step 1 is well mixed with first part of rare earth, steel plate table is sprayed into using spraying equipment
Face, thickness is 0.22mm, is then heated to 800 DEG C, is incubated 5 hours, is then air cooled to room temperature, is then again heated to steel plate
300 DEG C, second part of rare earth is uniformly sprayed to surface of steel plate surface, be then heated to 600 DEG C, be incubated 30min, then rapidly
Be put into cooling oil and quickly cool down, be cooled to 310 DEG C it is rapid take out, be then again heated to 400 DEG C, be incubated 5 hours, then
3rd part of rare earth is uniformly sprayed to surface of steel plate surface, 680 DEG C are then heated to, 15min is incubated, then using air-cooled,
280 DEG C are cooled to the speed of 10 DEG C/min, room temperature is then air cooled to；
Step（3）：Steel plate is carried out into first time heat treatment：Steel plate is heated to 620 DEG C, 11h is incubated, then with it is air-cooled with 1 DEG C/
The speed of s is cooled to room temperature, is then again heated to 480 DEG C, is incubated 1 hour, cold with the speed of 15 DEG C/min then using water-cooled
But to 220 DEG C, 5 hours then are incubated, are finally air cooled to room temperature, then clean surface, check size.
The size in hole 1, hole 25 and hole 36 is 6, uniform sizes.
Gusset 3 has two, and two gussets 3 converge in the lower section connection of upper end fixing hole 2 respectively integral to be fixed with upper end
Hole 2 connects, and strengthens the intensity of its support.
The profile fillet size of upper end fixing hole 2 is 0.5, attractive in appearance and have fillet to be excessively easily installed.
Angle between the center line in the hole of upper end fixing hole 2 and the extended line of the horizontal diameter of hole 25 is 60.97 degree, according to
Specific installation requirements and the angle value that sets.
Rack body 1 is manufactured using foundry engieering, and deburring, burr treatment are gone in surface, and scratch is avoided while attractive in appearance
The palm of the master worker of construction.
Operation principle：The present invention, by the hole using design uniform sizes, facilitates the replacing of part and uses, the support
Manufactured using foundry engieering, there is more preferable stability compared to stamped, take two support upper end fixing holes 2 of gusset 3,
More stable, simple structure of the present invention, casting is durable, reliable and stable, and device body 1 is arranged on into vapour when using
In car engine gas extraction system.
Embodiment 2
The invention provides a kind of automobile engine exhaust system connecting bracket as shown in Figure 1, including rack body 1, upper end
Fixing hole 2, gusset 3, hole 1, hole 25 and hole 36, are provided with hole 1, hole 25 and hole 36 on rack body 1, hole 1 with
Hole 25 is placed in a side of rack body 1, and hole 25 is placed in another side of rack body 1 with hole 36, rack body 1 it is upper
Side is connected with the lower end of gusset 3, and the top of gusset 3 is connected with upper end fixing hole 2.
The surface of rack body 1 is coated with one layer of antifriction metal (AFM) coating 12, and the component of antifriction metal (AFM) coating is by mass percentage：
C：0.23%, Mg：0.17%, Cu：0.65%, W：0.48%, Ti：0.58%, Cr：5.35%, Ni：0.39%, Mo：0.45%, Co：
0.25%, Ca：3.45%, rare earth：13%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：5.5%, Ce：7.8%, Pm：5.6%, Nd：5.8%, Eu：3.3%,
Sm：5.8%, balance of Gd；
The preparation method of antifriction metal (AFM) coating is carried out according to the following steps：
Step（1）：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth, the 3rd
Part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, is heated to 1250 DEG C,
Insulation 8 hours, is then air cooled to 460 DEG C, is then again heated to 790 DEG C, is incubated 45min, is then air cooled to room temperature, then will
Metal derby is crushed in being put into ball mill, crosses 100 mesh numbers, obtains metal dust A；
Step（2）：Metal dust A in step 1 is well mixed with first part of rare earth, steel plate table is sprayed into using spraying equipment
Face, thickness is 0.25mm, is then heated to 890 DEG C, is incubated 8 hours, is then air cooled to room temperature, is then again heated to steel plate
350 DEG C, second part of rare earth is uniformly sprayed to surface of steel plate surface, be then heated to 650 DEG C, be incubated 60min, then rapidly
Be put into cooling oil and quickly cool down, be cooled to 330 DEG C it is rapid take out, be then again heated to 450 DEG C, be incubated 8 hours, then
3rd part of rare earth is uniformly sprayed to surface of steel plate surface, 720 DEG C are then heated to, 30min is incubated, then using air-cooled,
290 DEG C are cooled to the speed of 15 DEG C/min, room temperature is then air cooled to；
Step（3）：Steel plate is carried out into first time heat treatment：Steel plate is heated to 630 DEG C, 13h is incubated, then with it is air-cooled with 3 DEG C/
The speed of s is cooled to room temperature, is then again heated to 520 DEG C, is incubated 3 hours, cold with the speed of 18 DEG C/min then using water-cooled
But to 250 DEG C, 8 hours then are incubated, are finally air cooled to room temperature, then clean surface, check size.
The size in hole 1, hole 25 and hole 36 is 6, uniform sizes.
Gusset 3 has two, and two gussets 3 converge in the lower section connection of upper end fixing hole 2 respectively integral to be fixed with upper end
Hole 2 connects, and strengthens the intensity of its support.
The profile fillet size of upper end fixing hole 2 is 0.5, attractive in appearance and have fillet to be excessively easily installed.
Angle between the center line in the hole of upper end fixing hole 2 and the extended line of the horizontal diameter of hole 25 is 60.97 degree, according to
Specific installation requirements and the angle value that sets.
Rack body 1 is manufactured using foundry engieering, and deburring, burr treatment are gone in surface, and scratch is avoided while attractive in appearance
The palm of the master worker of construction.
Operation principle：The present invention, by the hole using design uniform sizes, facilitates the replacing of part and uses, the support
Manufactured using foundry engieering, there is more preferable stability compared to stamped, take two support upper end fixing holes 2 of gusset 3,
More stable, simple structure of the present invention, casting is durable, reliable and stable, and device body 1 is arranged on into vapour when using
In car engine gas extraction system.
Embodiment 3
The invention provides a kind of automobile engine exhaust system connecting bracket as shown in Figure 1, including rack body 1, upper end
Fixing hole 2, gusset 3, hole 1, hole 25 and hole 36, are provided with hole 1, hole 25 and hole 36 on rack body 1, hole 1 with
Hole 25 is placed in a side of rack body 1, and hole 25 is placed in another side of rack body 1 with hole 36, rack body 1 it is upper
Side is connected with the lower end of gusset 3, and the top of gusset 3 is connected with upper end fixing hole 2.
The surface of rack body 1 is coated with one layer of antifriction metal (AFM) coating 12, and the component of antifriction metal (AFM) coating is by mass percentage：
C：0.22%, Mg：0.15%, Cu：0.63%, W：0.47%, Ti：0.56%, Cr：5.34%, Ni：0.38%, Mo：0.43%, Co：
0.24%, Ca：3.43%, rare earth：12%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：5.3%, Ce：7.7%, Pm：5.4%, Nd：5.6%, Eu：3.2%,
Sm：5.7%, balance of Gd；
The preparation method of antifriction metal (AFM) coating is carried out according to the following steps：
Step（1）：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth, the 3rd
Part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, is heated to 1240 DEG C,
Insulation 6 hours, is then air cooled to 458 DEG C, is then again heated to 777 DEG C, is incubated 40min, is then air cooled to room temperature, then will
Metal derby is crushed in being put into ball mill, crosses 100 mesh numbers, obtains metal dust A；
Step（2）：Metal dust A in step 1 is well mixed with first part of rare earth, steel plate table is sprayed into using spraying equipment
Face, thickness is 0.23mm, is then heated to 850 DEG C, is incubated 7 hours, is then air cooled to room temperature, is then again heated to steel plate
320 DEG C, second part of rare earth is uniformly sprayed to surface of steel plate surface, be then heated to 620 DEG C, be incubated 40min, then rapidly
Be put into cooling oil and quickly cool down, be cooled to 320 DEG C it is rapid take out, be then again heated to 420 DEG C, be incubated 7 hours, then
3rd part of rare earth is uniformly sprayed to surface of steel plate surface, 690 DEG C are then heated to, 18min is incubated, then using air-cooled,
285 DEG C are cooled to the speed of 12 DEG C/min, room temperature is then air cooled to；
Step（3）：Steel plate is carried out into first time heat treatment：Steel plate is heated to 625 DEG C, 12h is incubated, then with it is air-cooled with 2 DEG C/
The speed of s is cooled to room temperature, is then again heated to 490 DEG C, is incubated 2 hours, cold with the speed of 17 DEG C/min then using water-cooled
But to 240 DEG C, 7 hours then are incubated, are finally air cooled to room temperature, then clean surface, check size.
The size in hole 1, hole 25 and hole 36 is 6, uniform sizes.
Gusset 3 has two, and two gussets 3 converge in the lower section connection of upper end fixing hole 2 respectively integral to be fixed with upper end
Hole 2 connects, and strengthens the intensity of its support.
The profile fillet size of upper end fixing hole 2 is 0.5, attractive in appearance and have fillet to be excessively easily installed.
Angle between the center line in the hole of upper end fixing hole 2 and the extended line of the horizontal diameter of hole 25 is 60.97 degree, according to
Specific installation requirements and the angle value that sets.
Rack body 1 is manufactured using foundry engieering, and deburring, burr treatment are gone in surface, and scratch is avoided while attractive in appearance
The palm of the master worker of construction.
Operation principle：The present invention, by the hole using design uniform sizes, facilitates the replacing of part and uses, the support
Manufactured using foundry engieering, there is more preferable stability compared to stamped, take two support upper end fixing holes 2 of gusset 3,
More stable, simple structure of the present invention, casting is durable, reliable and stable, and device body 1 is arranged on into vapour when using
In car engine gas extraction system.
Above example is only explanation technological thought of the invention, it is impossible to limit protection scope of the present invention with this, every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme each falls within the scope of the present invention
Within.
Claims (9)
1. a kind of automobile engine exhaust system connecting bracket, including rack body（1）, upper end fixing hole（2）, gusset（3）, hole
One（4）, hole two（5）With hole three（6）, it is characterised in that：
The rack body（1）On be provided with hole one（4）, hole two（5）With hole three（6）, Kong Yi（4）With hole two（5）It is placed in support
Body（1）A side, the hole two（5）With hole three（6）It is placed in rack body（1）Another side, the rack body（1）
Upper side and gusset（3）Lower end connection, the gusset（3）Top and upper end fixing hole（2）Connection；
The rack body（1）Surface is coated with one layer of antifriction metal (AFM) coating, and the component of the antifriction metal (AFM) coating presses quality percentage
Than for：C：0.21-0.23%, Mg：0.13-0.17%, Cu：0.62-0.65%, W：0.45-0.48%, Ti：0.55-0.58%, Cr：
5.32-5.35%, Ni：0.37-0.39%, Mo：0.42-0.45%, Co：0.23-0.25%, Ca：3.42-3.45%, rare earth：11-
13%, remaining is Fe and trace impurity；
In the rare earth, by weight percentage comprising following components：La：5.2-5.5%, Ce：7.6-7.8%, Pm：5.2-5.6%,
Nd：5.5-5.8%, Eu：3.1-3.3%, Sm：5.5-5.8%, balance of Gd.
2. a kind of automobile engine exhaust system connecting bracket according to claim 1, it is characterised in that：The hole one
（4）, hole two（5）With hole three（6）Size be 6.
3. a kind of automobile engine exhaust system connecting bracket according to claim 1, it is characterised in that：The gusset
（3）There are two, two gussets（3）Respectively in upper end fixing hole（2）Lower section connection converge it is integral with upper end fixing hole（2）Even
Connect.
4. a kind of automobile engine exhaust system connecting bracket according to claim 1, it is characterised in that：The upper end is consolidated
Determine hole（2）Profile fillet size be 0.5.
5. a kind of automobile engine exhaust system connecting bracket according to claim 1, it is characterised in that：The upper end is consolidated
Determine hole（2）The center line in hole and hole two（5）Angle between the extended line of horizontal diameter is 60.97 degree.
6. automobile engine exhaust system connecting bracket according to claim 1, it is characterised in that：The antifriction metal (AFM)
The component of coating is by mass percentage：C：0.21%, Mg：0.13%, Cu：0.62%, W：0.45%, Ti：0.55%, Cr：5.32%,
Ni：0.37%, Mo：0.42%, Co：0.23%, Ca：3.42%, rare earth：11%, remaining is Fe and trace impurity；
In the rare earth, by weight percentage comprising following components：La：5.2%, Ce：7.6%, Pm：5.2%, Nd：5.5%, Eu：
3.1%, Sm：5.5%, balance of Gd.
7. automobile engine exhaust system connecting bracket according to claim 1, it is characterised in that：The antifriction metal (AFM)
The component of coating is by mass percentage：C：0.23%, Mg：0.17%, Cu：0.65%, W：0.48%, Ti：0.58%, Cr：5.35%,
Ni：0.39%, Mo：0.45%, Co：0.25%, Ca：3.45%, rare earth：13%, remaining is Fe and trace impurity；
In the rare earth, by weight percentage comprising following components：La：5.5%, Ce：7.8%, Pm：5.6%, Nd：5.8%, Eu：
3.3%, Sm：5.8%, balance of Gd.
8. automobile engine exhaust system connecting bracket according to claim 1, it is characterised in that：The antifriction metal (AFM)
The component of coating is by mass percentage：C：0.22%, Mg：0.15%, Cu：0.63%, W：0.47%, Ti：0.56%, Cr：5.34%,
Ni：0.38%, Mo：0.43%, Co：0.24%, Ca：3.43%, rare earth：12%, remaining is Fe and trace impurity；
In the rare earth, by weight percentage comprising following components：La：5.3%, Ce：7.7%, Pm：5.4%, Nd：5.6%, Eu：
3.2%, Sm：5.7%, balance of Gd.
9. the automobile engine outlet flange according to claim 1-8 any one, it is characterised in that：The antifriction metal (AFM)
The preparation method of coating is carried out according to the following steps：
Step（1）：Rare earth is first divided into three parts, first part is the 2/5 of total amount of rare earth, and second part is the 2/5 of total amount of rare earth, the 3rd
Part is the 1/5 of total amount of rare earth, and C, Mg, Cu, W, Ti, Cr, Ni, Mo, Co, Ca, Fe are put into reacting furnace, is heated to 1200-
1250 DEG C, 5-8 hours is incubated, is then air cooled to 450-460 DEG C, be then again heated to 770-790 DEG C, be incubated 30-45min,
Then room temperature is air cooled to, then metal derby is put into ball mill and is crushed, cross 100 mesh numbers, obtain metal dust A；
Step（2）：Metal dust A in step 1 is well mixed with first part of rare earth, steel plate table is sprayed into using spraying equipment
Face, thickness is 0.22-0.25mm, is then heated to 800-890 DEG C, is incubated 5-8 hours, is then air cooled to room temperature, then again will
Steel plate is heated to 300-350 DEG C, and second part of rare earth is uniformly sprayed to surface of steel plate surface, is then heated to 600-650 DEG C,
Insulation 30-60min, is then put into rapidly in cooling oil and quickly cools down, be cooled to 310-330 DEG C it is rapid take out, then again
400-450 DEG C is heated to, 5-8 hours is incubated, then the 3rd part of rare earth is uniformly sprayed to surface of steel plate surface, then heated
To 680-720 DEG C, 15-30min is incubated, then using air-cooled, is cooled to 280-290 DEG C with the speed of 10-15 DEG C/min, then
It is air cooled to room temperature；
Step（3）：Steel plate is carried out into first time heat treatment：Steel plate is heated to 620-630 DEG C, 11-13h is incubated, wind is then used
The cold speed with 1-3 DEG C/s is cooled to room temperature, is then again heated to 480-520 DEG C, is incubated 1-3 hours, then using water-cooled, with
The speed of 15-18 DEG C/min is cooled to 220-250 DEG C, is then incubated 5-8 hours, is finally air cooled to room temperature, then cleans surface,
Inspection size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611175346.0A CN106703961A (en) | 2016-12-19 | 2016-12-19 | Connection frame for automobile engine exhaust emission system and production process of connection frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611175346.0A CN106703961A (en) | 2016-12-19 | 2016-12-19 | Connection frame for automobile engine exhaust emission system and production process of connection frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106703961A true CN106703961A (en) | 2017-05-24 |
Family
ID=58939143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611175346.0A Pending CN106703961A (en) | 2016-12-19 | 2016-12-19 | Connection frame for automobile engine exhaust emission system and production process of connection frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106703961A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654281A (en) * | 2017-10-30 | 2018-02-02 | 潍柴动力股份有限公司 | A kind of whirlpool heel row trachea bracket and whirlpool final vacuum pipe assembly |
| CN108018495A (en) * | 2017-12-15 | 2018-05-11 | 苏州威斯道智能科技有限公司 | A kind for the treatment of process of high accuracy travelling gear |
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| CN203879597U (en) * | 2014-05-21 | 2014-10-15 | 柳州五菱柳机动力有限公司 | Combined support of automobile engine exhaust manifold |
| CN104342603A (en) * | 2014-10-21 | 2015-02-11 | 大丰市南亚阀门有限公司 | Alloy material for improving corrosion resistance of valve and treatment process thereof |
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| CN204457988U (en) * | 2015-02-10 | 2015-07-08 | 安徽江淮汽车股份有限公司 | A kind of exhaust pipe mounting structure |
| CN104805356A (en) * | 2015-04-23 | 2015-07-29 | 苏州劲元油压机械有限公司 | Metal coating for hydraulic cylinder and preparation method of metal coating |
| CN205297776U (en) * | 2015-12-11 | 2016-06-08 | 东风康明斯发动机有限公司 | Can effectively release mounting structure of EGR valve and cooler assembly thermal stress |
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| JPS5863521A (en) * | 1981-10-09 | 1983-04-15 | Nissan Motor Co Ltd | Exhaust channel parts supporting device for internal-combustion engine vehicle |
| CN203879597U (en) * | 2014-05-21 | 2014-10-15 | 柳州五菱柳机动力有限公司 | Combined support of automobile engine exhaust manifold |
| CN104342603A (en) * | 2014-10-21 | 2015-02-11 | 大丰市南亚阀门有限公司 | Alloy material for improving corrosion resistance of valve and treatment process thereof |
| CN104561666A (en) * | 2015-02-09 | 2015-04-29 | 苏州市神龙门窗有限公司 | Door/window-coated nickel-chrome alloy coating and heat treatment process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654281A (en) * | 2017-10-30 | 2018-02-02 | 潍柴动力股份有限公司 | A kind of whirlpool heel row trachea bracket and whirlpool final vacuum pipe assembly |
| CN108018495A (en) * | 2017-12-15 | 2018-05-11 | 苏州威斯道智能科技有限公司 | A kind for the treatment of process of high accuracy travelling gear |
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Application publication date: 20170524 |