CN106678796A - Special combustor for thermal fatigue testing of heated elements of internal combustion engine - Google Patents
Special combustor for thermal fatigue testing of heated elements of internal combustion engine Download PDFInfo
- Publication number
- CN106678796A CN106678796A CN201611008981.XA CN201611008981A CN106678796A CN 106678796 A CN106678796 A CN 106678796A CN 201611008981 A CN201611008981 A CN 201611008981A CN 106678796 A CN106678796 A CN 106678796A
- Authority
- CN
- China
- Prior art keywords
- cavity
- thermal fatigue
- combustion engine
- internal combustion
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/78—Cooling burner parts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
Abstract
The invention provides a special combustor for thermal fatigue testing of heated elements of an internal combustion engine. The combustor comprises a bottom plate, a cavity, a supporting plate, a top plate, nozzles and a flame retainer ring, wherein the cavity is formed in the bottom plate, the supporting plate is arranged on the upper part of the cavity, the top plate is installed above the supporting plate, the nozzles are installed on the top plate, the top plate is provided with through holes correspondingly communicating with the nozzles, and the flame retainer ring is located on the periphery of the nozzles and fixed on the top plate; and the bottom plate is downwards provided with a compressed air inlet hole, a diffusion ring fixed to the bottom plate is arranged in the cavity, a diffusion plate is arranged above the diffusion ring, and an oxygen inlet hole and a propane inlet hole opposite to the oxygen inlet hole are formed in the side face of the cavity, and the compressed air inlet hole, the oxygen inlet hole and the propane inlet hole are each provided with a servo proportional electromagnetic valve. The special combustor has the beneficial effects that accelerated thermal fatigue testing of heated elements of different cylinder diameters is achieved, and meanwhile, heated elements can simulate the temperature field distribution conditions of different areas of a flame face in the actual working process.
Description
Technical field
The invention belongs to burner arts, more particularly, to a kind of internal combustion engine heated part thermal fatigue test burner special.
Background technology
At present, internal combustion engine heated part (cylinder cap, piston) thermal fatigue test mainly passes through induction heating method to test
Heated part on stand carries out loop cycle heating, forms larger temperature in heated part fire power face using the mode of chilling and shock heating
Gradient and produce heat fatigue cracking, complete the thermal fatigue test of heated part, this kind of heating means can according to the material of heated part and
Shape, between adjustment high-frequency induction heating coil turn, the distance between distance and coil and heated part are uniformly heated to reach.But no
The diversity thermo parameters method of zones of different can be formed in heated part fire power face, accurately to simulate real heated part temperature field point
Cloth, causes heated part hot injury form and modal distortion；On off control temperature of the heated part fire power face by induction coil, without increasing
Strong Quench measure, it is impossible to realize the accelerated thermal fatigue test of heated part.
The content of the invention
In view of this, it is contemplated that proposing a kind of internal combustion engine heated part thermal fatigue test burner special, with accurate mould
Intend real heated part thermo parameters method, and tested by Quench measure the accelerated thermal fatigue.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of internal combustion engine heated part thermal fatigue test burner special, including base plate, cavity, gripper shoe, top board, nozzle and
Firestopping ring, the cavity are located on base plate, and the gripper shoe is located above cavity, and the mounting of roof plate is square on the supporting plate, institute
Nozzle is stated above top board, the top board is provided with the through hole of connection corresponding with nozzle, the firestopping ring is located at outside nozzle
Enclose, and be fixed on above top board；The base plate offers downwards compressed air air inlet, is provided with and is fixed on base plate in the cavity
On diffusing circle, diffuser plate is provided with above the diffusing circle, the cavity side is provided with two opposite oxygen air inlets and third
Alkane air inlet, respectively installs a servo ratio electromagnetism on the compressed air air inlet, oxygen air inlet and propane air inlet
Valve.
Further, the nozzle quantity is four, is evenly spaced on circumference.
Further, four bolts hole are uniformly provided with the gripper shoe outer, be bolted by base plate, cavity,
The gas mixing chamber that gripper shoe and top board are constituted.
Further, two protruding parts are arranged with the gripper shoe the week side of boss, are opened up on the protruding part centre position
There is fixing hole.
Further, contact installed position of contact installation site and gripper shoe of the firestopping ring with top board with top board
Connected by asbestos pad.
Further, the diffusing circle circumference is provided with two row's passages.
Relative to prior art, internal combustion engine heated part thermal fatigue test burner special of the present invention has following excellent
Gesture：
(1) internal combustion engine heated part thermal fatigue test burner special of the present invention adopts propane and oxygen as heat
Source, is quickly cooled down to heated part fire power face using air cooled mode, and three kinds of gases are entered by servo ratio electromagnetic valve respectively
Row control of flow and pressure.Propane and oxygen are opened during heating, compressed air is closed；Propane and oxygen are closed during cooling, is opened
Compressed air.Each test cycle (heating and cooling) time minimum can be controlled in 1min30s, realizes that the acceleration heat of heated part is tired
Labor is tested；
(2) internal combustion engine heated part thermal fatigue test burner special of the present invention by adjust nozzle diameter size,
Nozzle location and fuel gas injection distance realize heated part simulation real work adjusting the flame intensity of burner zones of different
Fire power face zones of different thermo parameters method situation in journey；
(3) by change burning device hybrid chamber gripper shoe and the size of top board, realize that Φ 70mm~Φ 170mm are different
The accelerated thermal fatigue test of the internal combustion engine heated part of cylinder diameter.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
A-A face structure sectional views of the Fig. 1 for the embodiment of the present invention；
Structure top views of the Fig. 2 for the embodiment of the present invention；
B-B face structure sectional views of the Fig. 3 for the embodiment of the present invention.
Description of reference numerals：
1- base plates；2- cavitys；3- diffusing circles；4- diffuser plates；5- gripper shoes；6- asbestos pads；7- top boards；8- compressed airs are entered
Pore；9- nozzles；10- firestopping rings；11- servo ratio electromagnetic valves；12- fixing holes；13- oxygen air inlets；14- propane air inlets
Hole.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase
Mutually combine.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
As shown in Figures 1 to 3, a kind of internal combustion engine heated part thermal fatigue test burner special, including base plate 1, cavity 2,
Fagging 5, top board 7, nozzle 9 and firestopping ring 10, the cavity 2 are located on base plate 1, and the gripper shoe 5 is located above cavity 2, institute
Top board 7 is stated above gripper shoe 5, the nozzle 9 is arranged on above top board 7, and the top board 7 is provided with corresponding with nozzle 9
The through hole of connection, the firestopping ring 10 are peripheral positioned at nozzle 9, and are fixed on above top board 7；The base plate 1 offers downwards pressure
Contracting air inflow openings 8, are provided with the diffusing circle 3 being fixed on base plate 1 in the cavity 2, are provided with diffuser plate above the diffusing circle 3
4,2 side of the cavity is provided with two opposite oxygen air inlets 13 and propane air inlet 14, in the compressed air air inlet
8th, a servo ratio electromagnetic valve 11 is respectively installed on oxygen air inlet 13 and propane air inlet 14, three kinds of gases pass through servo ratio
Electromagnetic valve 11 carries out control of flow and pressure.
9 quantity of the nozzle be four, be uniformly arranged into circumference, can according to heated part fire power face thermo parameters method demand,
By adjusting 9 diameter of nozzle, 9 position of nozzle, fuel gas injection distance, to adjust the flame intensity of burner zones of different,
And then realize the diversity thermo parameters method of heated part fire power face zones of different.
Four bolts hole are uniformly provided with 5 outer of the gripper shoe, are bolted by base plate 1, cavity 2, gripper shoe 5
The gas mixing chamber constituted with top board 7.
Two protruding parts are arranged with 5 the week side of boss of the gripper shoe, on the protruding part centre position, fixing hole is offered
12。
The contact with top board 7 of the firestopping ring 10 installation site and gripper shoe 5 installed position of the contact with top board 7 leads to
Crossing asbestos pad 6 carries out sealing and heat-insulated.
3 circumference of diffusing circle is provided with two row's passages.
The course of work of the present embodiment is as follows：
Propane air inlet 14 and oxygen air inlet 13 are opened during heating, compressed air air inlet 8 is closed, propane and oxygen are logical
Cross diffusing circle 3 and diffuser plate 4 forms uniform gaseous mixture, heated part is heated after lighting gaseous mixture；Third is closed during cooling
Alkane air inlet 14 and oxygen air inlet 13, open compressed air air inlet 8, heated part fire power face are quickly cooled down.Each test
Circulation (heating and cooling) time minimum can be controlled in 1min30s, realizes the accelerated thermal fatigue test of heated part.
Meanwhile, the size of gripper shoe 5 and top board 7 can be change, be achieved in Φ 70mm~Φ 170mm different
The accelerated thermal fatigue test of the internal combustion engine heated part of cylinder diameter.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (6)
1. a kind of internal combustion engine heated part thermal fatigue test burner special, it is characterised in that：Including base plate, cavity, gripper shoe, top
Plate, nozzle and firestopping ring, the cavity are located on base plate, and the gripper shoe is located above cavity, and the mounting of roof plate is being supported
Above plate, the nozzle is arranged on above top board, and the top board is provided with the through hole of connection corresponding with nozzle, the firestopping ring position
In nozzle periphery, and it is fixed on above top board；
The base plate offers downwards compressed air air inlet, and the diffusing circle being fixed on base plate is provided with the cavity, described
Diffuser plate is provided with above diffusing circle, the cavity side is provided with two opposite oxygen air inlets and propane air inlet, described
One servo ratio electromagnetic valve is respectively installed on compressed air air inlet, oxygen air inlet and propane air inlet.
2. a kind of internal combustion engine heated part thermal fatigue test burner special according to claim 1, it is characterised in that：It is described
Nozzle quantity is four, is evenly spaced on circumference.
3. a kind of internal combustion engine heated part thermal fatigue test burner special according to claim 1, it is characterised in that：It is described
Four bolts hole are uniformly provided with gripper shoe outer, the gas being made up of base plate, cavity, gripper shoe and top board is bolted
Hybrid chamber.
4. a kind of internal combustion engine heated part thermal fatigue test burner special according to claim 3, it is characterised in that：It is described
Two protruding parts are arranged with gripper shoe the week side of boss, on the protruding part centre position, fixing hole is offered.
5. a kind of internal combustion engine heated part thermal fatigue test burner special according to claim 1, it is characterised in that：It is described
The contact installed position of contact installation site and gripper shoe of the firestopping ring with top board with top board is connected by asbestos pad.
6. a kind of internal combustion engine heated part thermal fatigue test burner special according to claim 1, it is characterised in that：It is described
Diffusing circle circumference is provided with two row's passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008981.XA CN106678796A (en) | 2016-11-16 | 2016-11-16 | Special combustor for thermal fatigue testing of heated elements of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008981.XA CN106678796A (en) | 2016-11-16 | 2016-11-16 | Special combustor for thermal fatigue testing of heated elements of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106678796A true CN106678796A (en) | 2017-05-17 |
Family
ID=58840367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611008981.XA Pending CN106678796A (en) | 2016-11-16 | 2016-11-16 | Special combustor for thermal fatigue testing of heated elements of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106678796A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397917A (en) * | 2019-08-07 | 2019-11-01 | 中国北方发动机研究所(天津) | A kind of flame distribution adjustable combination type burner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0415857A1 (en) * | 1989-08-29 | 1991-03-06 | Montupet S.A. | Mechanical fatigue testing bench for cylinder heads of engines |
| CN203298979U (en) * | 2013-04-01 | 2013-11-20 | 中国北方发动机研究所(天津) | Apparatus for testing thermal fatigue of cylinder cover |
| CN103698117A (en) * | 2013-12-17 | 2014-04-02 | 中国北方发动机研究所(天津) | High-cycle mechanical fatigue test device and test method for engine cylinder cover |
| CN203688473U (en) * | 2013-12-10 | 2014-07-02 | 昆明理工大学 | Cooling system for checking thermal shock and thermal fatigue strength |
| CN105571968A (en) * | 2015-12-13 | 2016-05-11 | 中国飞机强度研究所 | Combined loading test device |
| CN105890881A (en) * | 2016-04-06 | 2016-08-24 | 北京航空航天大学 | Thermal fatigue test device capable of simulating gas environment |
-
2016
- 2016-11-16 CN CN201611008981.XA patent/CN106678796A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0415857A1 (en) * | 1989-08-29 | 1991-03-06 | Montupet S.A. | Mechanical fatigue testing bench for cylinder heads of engines |
| CN203298979U (en) * | 2013-04-01 | 2013-11-20 | 中国北方发动机研究所(天津) | Apparatus for testing thermal fatigue of cylinder cover |
| CN203688473U (en) * | 2013-12-10 | 2014-07-02 | 昆明理工大学 | Cooling system for checking thermal shock and thermal fatigue strength |
| CN103698117A (en) * | 2013-12-17 | 2014-04-02 | 中国北方发动机研究所(天津) | High-cycle mechanical fatigue test device and test method for engine cylinder cover |
| CN105571968A (en) * | 2015-12-13 | 2016-05-11 | 中国飞机强度研究所 | Combined loading test device |
| CN105890881A (en) * | 2016-04-06 | 2016-08-24 | 北京航空航天大学 | Thermal fatigue test device capable of simulating gas environment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397917A (en) * | 2019-08-07 | 2019-11-01 | 中国北方发动机研究所(天津) | A kind of flame distribution adjustable combination type burner |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170517 |