CN2125003U - Improved exhaust pipe for diesel locomotive - Google Patents
Improved exhaust pipe for diesel locomotive Download PDFInfo
- Publication number
- CN2125003U CN2125003U CN 92207077 CN92207077U CN2125003U CN 2125003 U CN2125003 U CN 2125003U CN 92207077 CN92207077 CN 92207077 CN 92207077 U CN92207077 U CN 92207077U CN 2125003 U CN2125003 U CN 2125003U
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- tube module
- total
- cylinder
- expansion joint
- total tube
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Abstract
The utility model belongs to an improved exhaust pipe for diesel locomotive, comprising two same total exhaust pipes composed of a transition section (21), a main pipe module (22), a main pipe module (23), a terminal main pipe module (24), a joint pipe for branch pipe (25), an expansion joint (26), a connection pin hub (27) of the main pipe, and a connection pin hub (27) of the branch pipe. The utility model has the advantages of compact structure, convenient manufacture, disassembly, assembly and maintenance, no leak and damage, long service life, and easy modification for existing exhaust pipes. The utility model can improve the economical efficiency of the diesel engine, and reduced thermal load.
Description
The utility model belongs to a kind of improved internal-combustion engine vent-pipe.
In the prior art, a kind of railway internal combustion locomotive is arranged, type is 16V240, and V-structure connects side by side, and wherein row are cylinder ［ 1 ］～［ 8 ］, and another row cylinder is ［ 9 ］～［ 16 ］.Adopt a total air escape pipe, internal diameter is 240mm, and respectively there are identical level pressure system turbosupercharger ［ 17 ］ and ［ 18 ］ in two ends.Outlet pipe must refill on diesel engine after whole assembling, brings difficulty to the dismounting maintenance.Expansion joint part total in addition, arm is easily leaked gas and is damaged, and has reduced working life.Because the position of pressurized machine ［ 17 ］, ［ 18 ］ is definite, the repacking of supply and exhaust pipe has increased restrictive condition again.
Task of the present utility model provides that a kind of compact structure, dismounting are easy to maintenance, the improved internal combustion locomotive outlet pipe of long service life.
Task of the present utility model is to adopt following scheme to realize: it comprises two identical total air escape pipes, its outlet is connected with the inlet of pressurized machine ［ 17 ］ and ［ 18 ］ respectively, wherein total air escape pipe and cylinder ［ 1 ］～［ 8 ］ are positioned at homonymy, and another root total air escape pipe and cylinder ［ 9 ］～［ 16 ］ are positioned at homonymy.Total air escape pipe comprises changeover portion ［ 21 ］, total tube module ［ 22 ］, total tube module ［ 23 ］, terminal total tube module ［ 24 ］, arm adapter ［ 25 ］, expansion joint ［ 26 ］, house steward's Connection Card hub ［ 27 ］ and arm Connection Card hub ［ 28 ］.Between total tube module ［ 22 ］, between changeover portion ［ 21 ］ and the total tube module ［ 22 ］, always all have expansion joint ［ 26 ］ between tube module ［ 22 ］ and ［ 23 ］; The outlet of two changeover portions ［ 21 ］ communicates with pressurized machine ［ 17 ］, ［ 18 ］ respectively, and its inlet communicates with homonymy second cylinder ［ 7 ］, ［ 10 ］ of proximity booster device ［ 17 ］, ［ 18 ］ by expansion joint ［ 26 ］ respectively; One end of two total tube modules of end ［ 24 ］ is connected with total tube module ［ 23 ］ by house steward's join card hub ［ 27 ］ respectively, and the other end communicates with non-homonymy first cylinder ［ 8 ］, ［ 9 ］ of proximity booster device ［ 17 ］, ［ 18 ］ respectively by expansion joint ［ 29 ］.
The utlity model has following advantage: 1, owing to adopt two root module assembly type outlet pipes, make the manufacturing of outlet pipe and dismounting maintenance very convenient; Because the internal diameter of expansion joint ［ 26 ］ dwindles thereupon, be difficult for gas leakage and damage simultaneously, prolonged the working life of outlet pipe.2, structurally, the outlet of two changeover portions ［ 21 ］ communicates with pressurized machine ［ 17 ］, ［ 18 ］ respectively, and its inlet communicates with homonymy second cylinder ［ 7 ］, ［ 10 ］ of proximity booster device ［ 17 ］, ［ 18 ］ by expansion joint ［ 26 ］ respectively; One end of two total tube modules of end ［ 24 ］ is connected with total tube module ［ 23 ］ by house steward's join card hub ［ 27 ］ respectively, and the other end communicates with non-homonymy first cylinder ［ 8 ］, ［ 9 ］ of proximity booster device ［ 17 ］, ［ 18 ］ respectively by expansion joint ［ 29 ］.Reasonably increased the length of changeover portion ［ 21 ］, make the air-flow trend on the one hand rationally, can between changeover portion ［ 21 ］ and total tube module ［ 22 ］, add expansion joint ［ 26 ］ on the other hand, to cushion the deformation that thermal expansion causes, improved the reliability of outlet pipe, make the compact structure of outlet pipe simultaneously, do not change the position of former pressurized machine ［ 17 ］, ［ 18 ］, very easily existing outlet pipe is reequiped.3, more original level pressure system can make the boost pressure of diesel engine increase, and improves the Economy of diesel engine and reduces heat load, and rate of fuel consumption can reduce by 1.5～2g/kw.h, and row's temperature drop is low more than 20 ℃.
Fig. 1: exhaust pipe structure schematic diagram.
Embodiment:
The dong feng 4 locomotive is the principal mode internal combustion locomotive of China railways, is the 16V240 diesel engine, has now produced more than 2000, and this diesel engine of locomotive uses the level pressure system, and the outlet pipe internal diameter is 240mm.Cylinder connects side by side, and wherein a row cylinder is ［ 1 ］～［ 8 ］, and another row cylinder is ［ 9 ］～［ 16 ］, 50 ° of angle between banks.The position of original pressing system turbosupercharger ［ 17 ］, ［ 18 ］ is fixed.
During repacking, former single total air escape pipe is removed, the position and the structure of pressurized machine ［ 17 ］, ［ 18 ］ all need not change.The outlet pipe that the utility model provides can be installed.It comprises two identical total air escape pipes, and its outlet is connected with the inlet of pressurized machine ［ 17 ］ and ［ 18 ］ respectively, and wherein total air escape pipe and cylinder ［ 1 ］～［ 8 ］ are positioned at homonymy, and another root total air escape pipe and cylinder ［ 9 ］～［ 16 ］ are positioned at homonymy.Total air escape pipe comprises that changeover portion ［ 21 ］, total tube module ［ 22 ］, total tube module ［ 23 ］, terminal total tube module ［ 24 ］, arm take over ［ 25 ］, expansion joint ［ 26 ］, house steward's Connection Card hub ［ 27 ］ and arm Connection Card hub ［ 28 ］, belongs between each total tube module ［ 22 ］ of same total air escape pipe, changeover portion ［ 21 ］ is with always between the tube module ［ 22 ］, always all have expansion joint ［ 26 ］ between tube module ［ 22 ］ and ［ 23 ］; The outlet of two changeover portions ［ 21 ］ communicates with pressurized machine ［ 17 ］, ［ 18 ］ respectively, and its inlet communicates with homonymy second cylinder ［ 7 ］, ［ 10 ］ of proximity booster device ［ 17 ］, ［ 18 ］ by expansion joint ［ 26 ］ respectively; One end of two total tube modules of end ［ 24 ］ is connected with total tube module ［ 23 ］ by house steward's join card hub ［ 27 ］ respectively, and the other end communicates with non-homonymy first cylinder ［ 8 ］, ［ 9 ］ of proximity booster device ［ 17 ］, ［ 18 ］ respectively by expansion joint ［ 29 ］.Two total tube modules ［ 23 ］ communicate with cylinder ［ 1 ］ and ［ 16 ］ respectively.12 total tube modules ［ 22 ］ communicate with cylinder ［ 2 ］～［ 7 ］ and cylinder ［ 10 ］～［ 15 ］ respectively.Like this, cylinder ［ 9 ］ and ［ 1 ］～［ 7 ］ communicate with a total air escape pipe, form an exhaust passage with pressurized machine ［ 17 ］; Cylinder ［ 8 ］ and ［ 10 ］～［ 16 ］ communicate with another root total air escape pipe, form another exhaust passage with supercharging gas ［ 18 ］.Total tube module ［ 22 ］ and ［ 23 ］ are the Three way type structures, and two ports with bore are positioned at same axis, are connected into the house steward that internal diameter is 150mm mutually with the total tube module of end ［ 24 ］.The length of total tube module ［ 23 ］ is less than total tube module ［ 22 ］.The small-caliber end of total tube module ［ 22 ］, ［ 23 ］ is taken over ［ 25 ］ by arm Connection Card hub ［ 28 ］ and each arm and is linked.The small-caliber end of terminal total tube module ［ 24 ］ is taken over ［ 25 ］ by expansion joint ［ 29 ］ and arm Connection Card hub ［ 28 ］ with arm and is linked.Each arm is taken over ［ 25 ］ and is connected by flange with the cylinder cap of cylinder ［ 1 ］～［ 16 ］.Changeover portion ［ 21 ］, total tube module ［ 22 ］ and ［ 23 ］, terminal total tube module ［ 24 ］ and arm are taken over ［ 25 ］ and are formed by the casting of heatproof alloy cast iron, and expansion joint ［ 26 ］, ［ 29 ］ adopt high temperature resistant spring steel to make.Between changeover portion ［ 21 ］ and the expansion joint ［ 26 ］, between expansion joint ［ 26 ］ and the total tube module ［ 22 ］, between expansion joint ［ 26 ］ and the total tube module ［ 23 ］, total tube module ［ 23 ］ always connects by house steward's Connection Card hub ［ 27 ］ between the tube module ［ 24 ］ with end.
Claims (2)
1, a kind of improved internal combustion locomotive outlet pipe, it comprises two identical total air escape pipes, its outlet is connected with the population of pressurized machine [17] and [18] respectively, wherein total air escape pipe and cylinder [1]～[8] are positioned at homonymy, another root total air escape pipe and cylinder [9]～[16] are positioned at homonymy, it is characterized in that: total air escape pipe comprises changeover portion [21], total tube module [22], total tube module [23], terminal total tube module [24], arm is taken over [25], expansion joint [26], house steward's Connection Card hub [27] and arm Connection Card hub [28] are between total tube module [22], between changeover portion [21] and the total tube module [22], all has expansion joint [26] between total tube module [22] and [23].
2, improved internal combustion locomotive outlet pipe as claimed in claim 1, it is characterized in that: the outlet of two changeover portions ［ 21 ］ communicates with pressurized machine ［ 17 ］, ［ 18 ］ respectively, and its inlet communicates with homonymy second cylinder ［ 7 ］, ［ 10 ］ of proximity booster device ［ 17 ］, ［ 18 ］ by expansion joint ［ 26 ］ respectively; One end of two total tube modules of end ［ 24 ］ is connected with total tube module ［ 23 ］ by house steward's join card hub ［ 27 ］ respectively, and the other end communicates with non-homonymy first cylinder ［ 8 ］, ［ 9 ］ of proximity booster device ［ 17 ］, ［ 18 ］ respectively by expansion joint ［ 29 ］.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92207077 CN2125003U (en) | 1992-04-14 | 1992-04-14 | Improved exhaust pipe for diesel locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92207077 CN2125003U (en) | 1992-04-14 | 1992-04-14 | Improved exhaust pipe for diesel locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2125003U true CN2125003U (en) | 1992-12-16 |
Family
ID=4952876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92207077 Granted CN2125003U (en) | 1992-04-14 | 1992-04-14 | Improved exhaust pipe for diesel locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2125003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311505B (en) * | 2006-05-04 | 2010-10-20 | F.波尔希名誉工学博士公司 | Exhaust system |
-
1992
- 1992-04-14 CN CN 92207077 patent/CN2125003U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311505B (en) * | 2006-05-04 | 2010-10-20 | F.波尔希名誉工学博士公司 | Exhaust system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |