CN107701275A - Explosion-proof machine formula back pressure instruction device - Google Patents
Explosion-proof machine formula back pressure instruction device Download PDFInfo
- Publication number
- CN107701275A CN107701275A CN201711091833.3A CN201711091833A CN107701275A CN 107701275 A CN107701275 A CN 107701275A CN 201711091833 A CN201711091833 A CN 201711091833A CN 107701275 A CN107701275 A CN 107701275A
- Authority
- CN
- China
- Prior art keywords
- gas tank
- main gas
- back pressure
- explosion
- temperature resistant
- 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
- 239000002360 explosive Substances 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 3
- 235000013312 flour Nutrition 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
- F01N11/005—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus the temperature or pressure being estimated, e.g. by means of a theoretical model
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Silencers (AREA)
Abstract
The present invention relates to a kind of explosion-proof machine formula back pressure instruction device, it is characterized in that：Including main gas tank, steam vent is provided with the upper end of main gas tank, air admission hole is provided with the lower end of main gas tank；High temperature resistant piston is set in the main gas tank, connection instruction mark post on high temperature resistant piston, indicate that the upper end of main gas tank is stretched out in the upper end of mark post, return spring is arranged on instruction mark post, the upper end of main gas tank is withstood in the upper end of return spring, and high temperature resistant piston is withstood in the lower end of return spring.The present invention have the characteristics that small volume, easy for installation, stable performance, securely and reliably, long lifespan, can under the inflammable and explosive environment such as underground coal mine, flour mill normal work.
Description
Technical field
The present invention relates to a kind of device for being used to indicate engine exhaust back pressure, especially a kind of explosion-proof machine formula back pressure refers to
Showing device.
Background technology
The power of engine influenceed by exhaust back pressure it is bigger, engine exhaust back pressure permissible value typically in below 20kPa,
Engine exhaust back pressure sensor on the market is all incorporated into vehicle electric-control system at present, in special environment（Such as coal mine
Under, flour mill etc.）It can not use, it is therefore desirable to which the back pressure for designing a energy normal work under inflammable and explosive environment refers to
Showing device.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of explosion-proof machine formula back pressure instruction dress
Put, there is small volume, easy for installation, stable performance, safe and reliable, long lifespan, can be easy in underground coal mine, flour mill etc.
Fire normal work under explosive environments.
According to technical scheme provided by the invention, the explosion-proof machine formula back pressure instruction device, it is characterized in that：Including main gas
Room, steam vent is provided with the upper end of main gas tank, and air admission hole is provided with the lower end of main gas tank；High temperature resistant is set in the main gas tank
Piston, connection instruction mark post on high temperature resistant piston, indicate that the upper end of main gas tank is stretched out in the upper end of mark post, be arranged on instruction mark post
The upper end of main gas tank is withstood in return spring, the upper end of return spring, and high temperature resistant piston is withstood in the lower end of return spring.
Further, connection screw thread seat is set in the bottom of the main gas tank, spark arrester is set in connection screw thread seat.
Further, the connection screw thread seat is taper pipe thread structure.
Further, high-temperature resistant seal ring is set between the high temperature resistant piston and main gas tank.
Further, the instruction mark post is marked with scale and color belt.
Further, the instruction mark post is provided with backing stop structure.
The present invention has advantages below：
（1）It is compact-sized, it is small volume, easy for installation；
（2）Possess fire retardant device, suitable for combustible and explosive area；
（3）Possess backing stop structure, record maximum exhaust back pressure all the time；
（4）Using the linkage structure of Purely mechanical, long lifespan, stable performance.
Brief description of the drawings
Fig. 1 is the structural representation of explosion-proof machine formula back pressure instruction device of the present invention.
Fig. 2 is the structural representation of the instruction mark post.
Description of reference numerals：1- spark arresters, 2- connection screw threads seat, 3- main gas tank, 4- high temperature resistants piston, 5- return springs,
6- instructions mark post, 7- high-temperature resistant seal rings, 8- red zones, 9- yellow band, 10- green band.
Embodiment
With reference to specific accompanying drawing, the invention will be further described.
As shown in Figure 1：Explosion-proof machine formula back pressure instruction device of the present invention includes main gas tank 3, and main gas tank 3 is using stainless
Steel segmented welding is made, and steam vent is provided with the upper end of main gas tank 3, and air admission hole is provided with the lower end of main gas tank 3；Described
High temperature resistant piston 4 is set in main gas tank 3, and high temperature resistant piston 4 is made using high temperature resistant silicon offset plate；The high temperature resistant piston 4
High-temperature resistant seal ring 7 is set between main gas tank 3, and high-temperature resistant seal ring 7 is used to realize between high temperature resistant piston 4 and main gas tank 3
Sealing；Connection instruction mark post 6, instruction mark post 6 are made using fiberglass on the high temperature resistant piston 7, instruction mark post 6
The upper end of main gas tank 3 is stretched out in upper end, is arranged return spring 5 on instruction mark post 6, main gas tank 3 is withstood in the upper end of return spring 5
High temperature resistant piston 7 is withstood in upper end, the lower end of return spring 5；Connection screw thread seat 2 is set in the bottom of the main gas tank 3, connects spiral shell
Line seat 2 is made of stainless steel and formed, and connection screw thread seat 2 is taper pipe thread structure, and spark arrester 1, resistance are set in connection screw thread seat 2
Firearm 1 is made using stainless steel, is gone out flame removal Mars for tail.
Explosion-proof machine formula back pressure instruction device of the present invention is arranged on the exhaust manifold rear of engine, directly adopts engine
Tail gas, when engine exhaust, tail gas, which first passes through spark arrester and gone out, enters main gas tank after flame, and high temperature resistant piston is promoted in main gas tank
4, exhaust back pressure is bigger, and pushed amount is more, and instruction mark post and the high temperature resistant piston of high temperature resistant piston upper end link, and indicate on mark post
Indicate scale and color belt（Red zone 8, yellow band 9 and green band 10）, work as red zone（15-20kPa）Exhaust is represented when exposing
It is obstructed, it is necessary to shutdown inspection.Instruction mark post possesses backing stop structure, and meeting automatic locking, prevents engine after high temperature resistant piston is released
Retracted after flame-out, the return button on pressing instruction mark post is only needed after troubleshooting, device immediately rework by return.
Claims (6)
1. a kind of explosion-proof machine formula back pressure instruction device, it is characterized in that：Including main gas tank（3）, in main gas tank（3）Upper end be provided with
Steam vent, in main gas tank（3）Lower end be provided with air admission hole；In the main gas tank（3）Middle setting high temperature resistant piston（4）, high temperature resistant
Piston（7）Upper connection instruction mark post（6）, indicate mark post（6）Upper end stretch out main gas tank（3）Upper end, instruction mark post（6）On
It is arranged return spring（5）, return spring（5）Upper end withstand main gas tank（3）Upper end, return spring（5）Lower end withstand it is resistance to
High temperature piston（7）.
2. explosion-proof machine formula back pressure instruction device as claimed in claim 1, it is characterized in that：In the main gas tank（3）Bottom
Connection screw thread seat is set（2）, connection screw thread seat（2）Middle setting spark arrester（1）.
3. explosion-proof machine formula back pressure instruction device as claimed in claim 2, it is characterized in that：The connection screw thread seat（2）For cone
Pipe screw thread structure.
4. explosion-proof machine formula back pressure instruction device as claimed in claim 1, it is characterized in that：The high temperature resistant piston（4）And master
Air chamber（3）Between high-temperature resistant seal ring is set（7）.
5. explosion-proof machine formula back pressure instruction device as claimed in claim 1, it is characterized in that：The instruction mark post（6）It is marked with
Scale and color belt.
6. explosion-proof machine formula back pressure instruction device as claimed in claim 1, it is characterized in that：The instruction mark post（6）It is provided with
Backing stop structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091833.3A CN107701275A (en) | 2017-11-08 | 2017-11-08 | Explosion-proof machine formula back pressure instruction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091833.3A CN107701275A (en) | 2017-11-08 | 2017-11-08 | Explosion-proof machine formula back pressure instruction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107701275A true CN107701275A (en) | 2018-02-16 |
Family
ID=61178732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711091833.3A Pending CN107701275A (en) | 2017-11-08 | 2017-11-08 | Explosion-proof machine formula back pressure instruction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107701275A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883608A (en) * | 2019-03-07 | 2019-06-14 | 国网新疆电力有限公司检修公司 | A kind of arrester internal pressure detection device based on bellows deformation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1238863A (en) * | 1959-07-08 | 1960-08-19 | Air Liquide | Pressure indicator |
| GB1317659A (en) * | 1969-07-02 | 1973-05-23 | Kuroda Gauge Mfg | Pressure responsive indicating devices |
| GB1512895A (en) * | 1975-06-11 | 1978-06-01 | Braukmann Armaturen | Differential-pressure overflow valve assembly |
| US4885934A (en) * | 1988-01-04 | 1989-12-12 | Freeman Forrest F | Exhaust backpressure tester |
| CA2152913A1 (en) * | 1992-12-31 | 1994-07-21 | Ervin P. Fuchs | Exhaust filter backpressure indicator |
| JPH0722578U (en) * | 1993-09-16 | 1995-04-21 | 山武ハネウエル株式会社 | Frame arrester mounting structure |
| CN105758647A (en) * | 2014-12-16 | 2016-07-13 | 上汽通用五菱汽车股份有限公司 | Exhaust backpressure test system |
| CN207686813U (en) * | 2017-11-08 | 2018-08-03 | 无锡双翼汽车环保科技有限公司 | Explosion-proof machine formula back pressure instruction device |
-
2017
- 2017-11-08 CN CN201711091833.3A patent/CN107701275A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1238863A (en) * | 1959-07-08 | 1960-08-19 | Air Liquide | Pressure indicator |
| GB1317659A (en) * | 1969-07-02 | 1973-05-23 | Kuroda Gauge Mfg | Pressure responsive indicating devices |
| GB1512895A (en) * | 1975-06-11 | 1978-06-01 | Braukmann Armaturen | Differential-pressure overflow valve assembly |
| US4885934A (en) * | 1988-01-04 | 1989-12-12 | Freeman Forrest F | Exhaust backpressure tester |
| CA2152913A1 (en) * | 1992-12-31 | 1994-07-21 | Ervin P. Fuchs | Exhaust filter backpressure indicator |
| JPH0722578U (en) * | 1993-09-16 | 1995-04-21 | 山武ハネウエル株式会社 | Frame arrester mounting structure |
| CN105758647A (en) * | 2014-12-16 | 2016-07-13 | 上汽通用五菱汽车股份有限公司 | Exhaust backpressure test system |
| CN207686813U (en) * | 2017-11-08 | 2018-08-03 | 无锡双翼汽车环保科技有限公司 | Explosion-proof machine formula back pressure instruction device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883608A (en) * | 2019-03-07 | 2019-06-14 | 国网新疆电力有限公司检修公司 | A kind of arrester internal pressure detection device based on bellows deformation |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180216 |