CN105422192A - Metal heat insulation assembly of diesel engine - Google Patents
Metal heat insulation assembly of diesel engine Download PDFInfo
- Publication number
- CN105422192A CN105422192A CN201510901336.XA CN201510901336A CN105422192A CN 105422192 A CN105422192 A CN 105422192A CN 201510901336 A CN201510901336 A CN 201510901336A CN 105422192 A CN105422192 A CN 105422192A
- Authority
- CN
- China
- Prior art keywords
- heat insulation
- exhaust manifold
- shield
- supercharger
- engine
- 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.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 title claims abstract description 27
- 239000000498 cooling water Substances 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 229920000742 Cotton Polymers 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 7
- 239000002937 thermal insulation foam Substances 0.000 description 6
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
-
- 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
- F01N13/14—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 having thermal insulation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to a metal heat insulation assembly of a diesel engine. The metal heat insulation assembly comprises a supercharger heat insulation shield, a supercharger heat insulation shield cover plate, an engine front end exhaust manifold heat insulation shield and an engine rear end exhaust manifold heat insulation shield. The supercharger heat insulation shield is connected with an exhaust bend pipe, and the supercharger heat insulation shield cover plate is connected with the supercharger heat insulation shield; the engine front end exhaust manifold heat insulation shield and the engine rear end exhaust manifold heat insulation shield are connected with an engine cooling water pipe; and the two heat insulation shields are connected through a fourth bolt. By the adoption of the technical scheme, flexible heat insulation cotton is omitted, a steel plate is utilized for carrying out simple stamping molding and welding so as to insulate high temperature of the engine and protect parts with impurities easily stacked, ignition caused by accumulation of the impurities of the high-temperature part can be effectively avoided, and meanwhile the problem that heat insulation cotton is prone to aging and low in strength is solved; and the heat insulation shield is easy to assemble and obvious in heat insulation effect; and according to a test result, the surface temperature of the heat insulation shield is lower than that of the part by 300 DEG C.
Description
Technical field
The invention belongs to motor Component technical field, particularly relate to the heat insulation assembly of a kind of metal material diesel engine.
Background technique
At present, in field of agricultural machinery, operating environment is severe, and foreign material are more, engine high-temperature part need effectively protect prevent from foreign material from dropping being deposited in high temperature part place on fire.Tradition heat-proof device is heat insulation foam, is sewed up wrapped up completely by high temperature part by cutting.But engine high-temperature part complex structure, heat insulation foam installs difficulty, and after installing through high temperature, drench with rain, Exposure to Sunlight, through one or two operation season, part is aging, easily breaks in surface.
Summary of the invention
The present invention for solve in known technology the technical problem that exists and provide a kind of structure simple, improve the ageing-resistant problem of heat insulation material, avoid foreign material to drop being deposited in high temperature part place on fire, the heat insulation assembly of simple metal material diesel engine be installed.
The technological scheme that the present invention takes for the technical problem existed in solution known technology is:
The heat insulation assembly of a kind of metal material diesel engine, is characterized in that: comprise supercharger heat shield, supercharger heat shield cover plate; Motor head exhaust manifold thermal shield, engine rear end exhaust manifold thermal shield; Described supercharger heat shield is connected by the first bolt with exhaust elbow, and supercharger heat shield cover plate is connected by the second bolt with supercharger heat shield; Described motor head exhaust manifold thermal shield, engine rear end exhaust manifold thermal shield are connected by the 3rd bolt with cooling water pipe of engine respectively, attachment hole is provided with between motor head exhaust manifold thermal shield and engine rear end exhaust manifold thermal shield, a nut is welded in the connection hole of motor head exhaust manifold thermal shield, on engine rear end exhaust manifold thermal shield, relevant position is attachment hole is elongated hole, is screwed with the 4th bolt between described nut and elongated hole.
The present invention can also adopt following technical measures:
Described supercharger heat shield, supercharger heat shield cover plate; Motor head exhaust manifold thermal shield, engine rear end exhaust manifold thermal shield all adopt compound heat-insulation structure, comprise the refractory layer that outer metal layer, middle inorganic fibre mat, inner metal layer and the outer surface at inner metal layer spray from inside to outside successively; The outward edge of described outer metal layer is provided with flanging, and described middle inorganic fibre mat and inner metal layer are closely bundled together by above-mentioned outer flanging.
The thickness of above-mentioned outer metal layer is 0.5mm; The thickness 3mm of middle inorganic fibre mat; The thickness of inner metal layer is 0.5mm.
The advantage that the present invention has and good effect are: adopt technique scheme, cancel flexible heat insulation foam, utilize steel plate carry out simple impact briquetting and welding to engine high-temperature and the part easily piling up foreign material protect, effectively avoid high temperature part foreign material to pile up on fire, it also avoid the problem of the easy aging intensity difference of heat insulation foam simultaneously; The assembling of this thermal shield is simple, and effect of heat insulation is obvious, and according to experimental test result, single-layer metal heat shield surface temperature reduces by 300 DEG C than part surface temperature, and sandwich heat shield surface temperature reduces by 400 DEG C than part surface temperature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is supercharger heat shield structural representation.
In figure: 1, supercharger heat shield; 1-1, the first bolt; 1-2, outer metal layer; 1-20, flanging; 1-3, middle inorganic fibre mat; 1-4, inner metal layer; 1-5, nut.2, supercharger heat shield cover plate; 2-1, the second bolt; 3, gas exhaust manifold front end thermal shield; 3-1, the 3rd bolt; 4, gas exhaust manifold rear end thermal shield; 4-1, the 3rd bolt; 5, exhaust elbow; 6, cooling water pipe of engine; 7, the 4th bolt.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 to 4, the heat insulation assembly of a kind of metal material diesel engine, comprises supercharger heat shield 1, supercharger heat shield cover plate 2; Motor head exhaust manifold thermal shield 3, engine rear end exhaust manifold thermal shield 4; Described supercharger heat shield 1 is connected by the first bolt 1-1 with exhaust elbow 5, and supercharger heat shield cover plate 3 is connected by the second bolt 2-1 with supercharger heat shield 1; Described motor head exhaust manifold thermal shield 3, engine rear end exhaust manifold thermal shield 4 are connected by the 3rd bolt 4-1 with cooling water pipe of engine 6 respectively, attachment hole is provided with between motor head exhaust manifold thermal shield and engine rear end exhaust manifold thermal shield, a nut 3-1 is welded in the connection hole of motor head exhaust manifold thermal shield, on engine rear end exhaust manifold thermal shield, relevant position is attachment hole is elongated hole, is screwed with the 4th bolt 7 between described nut and elongated hole.
The present invention can also adopt following technical measures:
Described supercharger heat shield, supercharger heat shield cover plate; Motor head exhaust manifold thermal shield, engine rear end exhaust manifold thermal shield all adopt compound heat-insulation structure, be example according to supercharger heat shield, described supercharger heat shield comprises the refractory layer 1-5 that outer metal layer 1-2, middle inorganic fibre mat 1-3, inner metal layer 1-4 and the outer surface at inner metal layer spray from inside to outside successively; The outward edge of described outer metal layer is provided with flanging 1-20, and described middle inorganic fibre mat and inner metal layer are closely bundled together by above-mentioned outer flanging.
The thickness of above-mentioned outer metal layer is 0.5mm; The thickness 3mm of middle inorganic fibre mat; The thickness of inner metal layer is 0.5mm.
Adopt technique scheme, cancel flexible heat insulation foam, utilize steel plate carry out simple impact briquetting and welding to engine high-temperature and the part easily piling up foreign material protect, effectively avoid high temperature part foreign material to pile up on fire, it also avoid the problem of the easy aging intensity difference of heat insulation foam simultaneously; The assembling of this thermal shield is simple, and effect of heat insulation is obvious, and according to experimental test result, single-layer metal heat shield surface temperature reduces by 300 DEG C than part surface temperature, and sandwich heat shield surface temperature reduces by 400 DEG C than part surface temperature.
The above is only to preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (3)
1. the heat insulation assembly of metal material diesel engine, is characterized in that: comprise supercharger heat shield, supercharger heat shield cover plate; Motor head exhaust manifold thermal shield, engine rear end exhaust manifold thermal shield; Described supercharger heat shield is connected by the first bolt with exhaust elbow, and supercharger heat shield cover plate is connected by the second bolt with supercharger heat shield; Described motor head exhaust manifold thermal shield, engine rear end exhaust manifold thermal shield are connected by the 3rd bolt with cooling water pipe of engine respectively, attachment hole is provided with between motor head exhaust manifold thermal shield and engine rear end exhaust manifold thermal shield, a nut is welded in the connection hole of motor head exhaust manifold thermal shield, on engine rear end exhaust manifold thermal shield, relevant position is attachment hole is elongated hole, is screwed with the 4th bolt between described nut and elongated hole.
2. the heat insulation assembly of metal material diesel engine according to claim 1, is characterized in that: described supercharger heat shield, supercharger heat shield cover plate; Motor head exhaust manifold thermal shield, engine rear end exhaust manifold thermal shield all adopt compound heat-insulation structure, comprise outer metal layer, middle inorganic fibre mat, inner metal layer from inside to outside successively; The outward edge of described outer metal layer is provided with flanging, and described middle inorganic fibre mat and inner metal layer are closely bundled together by above-mentioned outer flanging.
3. the heat insulation assembly of metal material diesel engine according to claim 1, is characterized in that: the thickness of above-mentioned outer metal layer is 0.5mm; The thickness 3mm of middle inorganic fibre mat; The thickness of inner metal layer is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510901336.XA CN105422192A (en) | 2015-12-09 | 2015-12-09 | Metal heat insulation assembly of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510901336.XA CN105422192A (en) | 2015-12-09 | 2015-12-09 | Metal heat insulation assembly of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105422192A true CN105422192A (en) | 2016-03-23 |
Family
ID=55500682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510901336.XA Pending CN105422192A (en) | 2015-12-09 | 2015-12-09 | Metal heat insulation assembly of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422192A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108779699A (en) * | 2016-03-14 | 2018-11-09 | 马自达汽车株式会社 | engine with turbocharger |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100266462A1 (en) * | 2009-04-17 | 2010-10-21 | Amit Kumar | Exhaust Gas Treatment Device |
| US20120031083A1 (en) * | 2009-06-17 | 2012-02-09 | Wataru Minami | Apparatus for treating diesel engine exhaust gas |
| CN202732076U (en) * | 2012-06-21 | 2013-02-13 | 哈尔滨东安汽车发动机制造有限公司 | Exhaust system thermal insulation shield applied to pressurizer engine |
| CN202900406U (en) * | 2012-11-07 | 2013-04-24 | 沈阳航天三菱汽车发动机制造有限公司 | Turbocharged engine |
| CN203626967U (en) * | 2013-10-29 | 2014-06-04 | 长城汽车股份有限公司 | Engine supercharger |
| CN203655402U (en) * | 2014-01-15 | 2014-06-18 | 中国重汽集团济南动力有限公司 | Heat insulation cover of exhaust pipe of diesel engine |
| CN204627717U (en) * | 2015-04-30 | 2015-09-09 | 重庆祥吉机械制造有限公司 | Gas exhaust manifold, ternary catalyzing unit and supercharger heat shield assembly |
| CN204827630U (en) * | 2015-06-01 | 2015-12-02 | 华晨汽车集团控股有限公司 | Engine heating load protection system |
| CN205422844U (en) * | 2015-12-09 | 2016-08-03 | 天津雷沃动力有限公司 | Metal material diesel engine assembly that insulates against heat |
-
2015
- 2015-12-09 CN CN201510901336.XA patent/CN105422192A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100266462A1 (en) * | 2009-04-17 | 2010-10-21 | Amit Kumar | Exhaust Gas Treatment Device |
| US20120031083A1 (en) * | 2009-06-17 | 2012-02-09 | Wataru Minami | Apparatus for treating diesel engine exhaust gas |
| CN202732076U (en) * | 2012-06-21 | 2013-02-13 | 哈尔滨东安汽车发动机制造有限公司 | Exhaust system thermal insulation shield applied to pressurizer engine |
| CN202900406U (en) * | 2012-11-07 | 2013-04-24 | 沈阳航天三菱汽车发动机制造有限公司 | Turbocharged engine |
| CN203626967U (en) * | 2013-10-29 | 2014-06-04 | 长城汽车股份有限公司 | Engine supercharger |
| CN203655402U (en) * | 2014-01-15 | 2014-06-18 | 中国重汽集团济南动力有限公司 | Heat insulation cover of exhaust pipe of diesel engine |
| CN204627717U (en) * | 2015-04-30 | 2015-09-09 | 重庆祥吉机械制造有限公司 | Gas exhaust manifold, ternary catalyzing unit and supercharger heat shield assembly |
| CN204827630U (en) * | 2015-06-01 | 2015-12-02 | 华晨汽车集团控股有限公司 | Engine heating load protection system |
| CN205422844U (en) * | 2015-12-09 | 2016-08-03 | 天津雷沃动力有限公司 | Metal material diesel engine assembly that insulates against heat |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108779699A (en) * | 2016-03-14 | 2018-11-09 | 马自达汽车株式会社 | engine with turbocharger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |
|
| RJ01 | Rejection of invention patent application after publication |