CN113465927A - Movable multi-oil-injector end cover - Google Patents
Movable multi-oil-injector end cover Download PDFInfo
- Publication number
- CN113465927A CN113465927A CN202110799403.7A CN202110799403A CN113465927A CN 113465927 A CN113465927 A CN 113465927A CN 202110799403 A CN202110799403 A CN 202110799403A CN 113465927 A CN113465927 A CN 113465927A
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- China
- Prior art keywords
- base
- side oil
- sprayer
- cylinder cover
- injector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
Abstract
The invention provides a movable multi-oil injector end cover which comprises a cylinder cover body, a main oil injector, a side oil injector, a first sleeve, a second sleeve, a side oil injector base and a side oil injector base fixing key, wherein the main oil injector is arranged on the cylinder cover body; the cylinder cap body is fixed on the cylinder cap base, be equipped with the arch on the cylinder cap body and set up the rectangular shape hole, set up the trompil that is used for placing the main sprayer perpendicularly in the arch, the main sprayer is fixed on the cylinder cap body, the rectangular shape hole is used for laying side sprayer base, it has the through-hole that holds the side sprayer to open on the side sprayer base, fix the side sprayer on the side sprayer base through the second sleeve, each is fixed with a side sprayer base fixed key in the left and right sides of side sprayer base, be equipped with the multiunit connecting hole along rectangular shape hole length direction on the cylinder cap body, the side sprayer is arranged in the coplanar with the main sprayer, the side sprayer becomes certain contained angle with the main sprayer and arranges. The invention realizes the arrangement of multiple oil injectors, and can conveniently change the positions of the oil injectors in engineering experiments.
Description
Technical Field
The invention belongs to the technical field of visual testing of spraying and burning of marine diesel engines, and particularly relates to a movable multi-oil-injector end cover.
Background
The deep research on spraying and burning conditions in the marine diesel engine cylinder is an effective means for realizing the aims of energy conservation and emission reduction. The multi-oil injector is arranged on the marine low-speed engine, has some applications, has certain superiority in the aspects of energy conservation and emission reduction, and can also achieve the same effect by utilizing the design on the marine medium-high speed diesel engine. The fuel spraying of the multiple fuel injectors in the cylinder has the possibility of complex cross phenomena, and the constant volume combustion device can be used for carrying out related research on the phenomena.
The arrangement of multiple fuel injectors cannot be realized in the design scheme of the conventional constant volume combustion device, the positions of the fuel injectors cannot be conveniently changed, and the constant volume combustion device is inconvenient and time-consuming in specific operation.
Disclosure of Invention
In view of this, the invention aims to provide a movable end cover for multiple fuel injectors, which can realize the arrangement of the multiple fuel injectors and solve the problem of conveniently changing the positions of the fuel injectors in engineering experiments.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a movable multi-oil injector end cover comprises a cylinder cover body, a main oil injector, a side oil injector, a first sleeve, a second sleeve, a side oil injector base and a side oil injector base fixing key;
the cylinder cover body is fixed on the cylinder cover base through a bolt, a bulge and a strip-shaped hole are arranged on the cylinder cover body, the bulge is provided with an opening for vertically placing a main oil sprayer, the main oil sprayer is fixed on the cylinder cover body through a first sleeve, the strip-shaped hole is used for placing a side oil sprayer base, a through hole for accommodating the side oil sprayer is arranged on the side oil sprayer base, the side oil sprayer is fixed on the side oil sprayer base through a second sleeve, the left side and the right side of the side oil sprayer base are respectively fixed with a side oil sprayer base fixed key, a plurality of groups of connecting holes which are connected with the side oil sprayer base fixed key are uniformly arranged on the cylinder cover body along the length direction of the strip-shaped hole, the side oil sprayer and the main oil sprayer are arranged in the same plane, and the side oil injector and the main oil injector are arranged at a certain included angle, and the central axis of the main oil injector and the central axis of the side oil injector are arranged in the cylinder in an intersecting manner.
Furthermore, the side oil sprayer base fixing key is connected with a connecting hole formed in the cylinder cover body through a fixing bolt.
Further, the cylinder cover body is a visual cylinder cover body.
Further, the second sleeve is fixed on the side oil injector base through a bolt.
Further, the first sleeve is fixed on the cylinder cover body through a bolt.
Furthermore, three groups of connecting holes are formed in the cylinder cover body and are arranged at equal intervals.
Compared with the prior art, the movable multi-oil injector end cover has the following advantages:
the multi-fuel-injector arrangement is realized on the cylinder cover of the constant-volume combustion device, the position of the fuel injector can be changed, and a series of visual experiments such as the spray form and the subsequent combustion condition of the cross mutual interference condition of a plurality of diesel spray spaces can be measured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of an initial position of two fuel injectors on a movable multiple fuel injector end cap according to an embodiment of the present invention;
FIG. 2 is a top view of an initial position of two fuel injectors on a movable multiple fuel injector end cap according to an embodiment of the present invention;
FIG. 3 is a front view of two fuel injectors moved to position one;
FIG. 4 is a top view of two fuel injectors after being moved to position one;
FIG. 5 is a front view of two fuel injectors moved to position two;
FIG. 6 is a top view of two fuel injectors after being moved to position two;
fig. 7 is a plan view of the cylinder head body.
Description of reference numerals:
1. the oil cylinder cover comprises a cylinder cover body, 11, bulges, 12, elongated holes, 13, holes, 14, connecting holes, 2, fixing bolts, 3, a main oil sprayer, 4, a side oil sprayer, 5, a first sleeve, 6, a side oil sprayer base, 7, a side oil sprayer base fixing key, 8 and a second sleeve.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-7, a movable multi-injector end cover comprises a cylinder head body 1, a main injector 3, a side injector 4, a first sleeve 5, a second sleeve 8, a side injector base 6 and a side injector base fixing key 7;
the cylinder cover body 1 is fixed on a cylinder cover base through bolts, a bulge 11 and a strip-shaped hole 12 are arranged on the cylinder cover body 1, an opening 13 used for vertically placing a main oil sprayer 3 is arranged on the bulge 11, the main oil sprayer 3 is fixed on the cylinder cover body 1 through a first sleeve 5, the strip-shaped hole 12 is used for placing a side oil sprayer base 6, a through hole used for containing the side oil sprayer 4 is formed on the side oil sprayer base 6, the side oil sprayer 4 is fixed on the side oil sprayer base 6 through a second sleeve 8, a side oil sprayer base fixing key 7 is respectively fixed on the left side and the right side of the side oil sprayer base 6, a plurality of groups of connecting holes 14 connected with the side oil sprayer base fixing keys are uniformly arranged on the cylinder cover body 1 along the length direction of the strip-shaped hole 12, the side oil sprayer 4 and the main oil sprayer 3 are arranged in the same plane, and the side oil injector 4 and the main oil injector 3 are arranged at a certain included angle, and the central axis of the main oil injector 3 and the central axis of the side oil injector 4 are intersected in the cylinder.
The side injector base fixing key 7 is connected with a connecting hole 14 arranged on the cylinder head body 1 through a fixing bolt 2. The cylinder cover body 1 is provided with three groups of connecting holes 14, the three groups of connecting holes 14 are arranged at equal intervals, and each group of connecting holes is four and corresponds to 4 connecting parts on the fixed keys of the two side oil sprayer bases to be connected and fastened.
The cylinder cover body 1 is a visual cylinder cover body and is made of quartz.
The second sleeve 8 is fixed on the side oil injector base 6 through bolts. The first sleeve 5 is fixed on the cylinder head body 1 through bolts.
The working principle of this application does: in the using process, the initial position is as shown in fig. 1-2, the position of the main injector 3 is kept fixed, the side injector base 6 moves along one direction, the movement determining position is determined by the side injector base fixing keys 7 on two sides through the fixing bolt 2, and the moved structural schematic diagram is as shown in fig. 3-4, so that the change of the position of the injector is realized; on the basis of the position of the oil sprayer shown in the figure 3, the side oil sprayer base 6 continues to move in one direction, the movement determining position is determined by the side oil sprayer base fixing keys 7 on the two sides through the fixing bolts 2, the moved structure schematic diagram is shown in the figures 5-6, so that the position of the oil sprayer is changed, the arrangement of multiple oil sprayers is realized, the position of the oil sprayer can be changed, and a series of visualization experiments such as the spray form and the subsequent combustion condition of the cross mutual interference condition of a plurality of diesel spray spaces can be measured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A portable many sprayer end cover which characterized in that: the oil injection device comprises a cylinder cover body (1), a main oil injector (3), a side oil injector (4), a first sleeve (5), a second sleeve (8), a side oil injector base (6) and a side oil injector base fixing key (7);
the cylinder cover comprises a cylinder cover body (1) and is characterized in that the cylinder cover body (1) is fixed on a cylinder cover base through bolts, a bulge (11) and a long-strip-shaped hole (12) are arranged on the cylinder cover body (1), an opening (13) used for vertically placing a main oil sprayer (3) is formed in the bulge (11), the main oil sprayer (3) is fixed on the cylinder cover body (1) through a first sleeve (5), the long-strip-shaped hole (12) is used for placing a side oil sprayer base (6), a through hole used for accommodating the side oil sprayer (4) is formed in the side oil sprayer base (6), the side oil sprayer (4) is fixed on the side oil sprayer base (6) through a second sleeve (8), a side oil sprayer base fixing key (7) is respectively fixed on the left side and the right side of the side oil sprayer base (6), a plurality of groups of connecting holes (14) fixedly connected with the side oil sprayer base are uniformly arranged on the cylinder cover body (1) along the length direction of the long-strip-shaped hole (12), the side oil injector (4) and the main oil injector (3) are arranged in the same plane, the side oil injector (4) and the main oil injector (3) are arranged at a certain included angle, and the central axis of the main oil injector (3) and the central axis of the side oil injector (4) are arranged in an air cylinder in an intersecting manner.
2. A movable multiple fuel injector end cap according to claim 1, characterized by: and the side oil sprayer base fixing key (7) is connected with a connecting hole (14) formed in the cylinder cover body (1) through a fixing bolt (2).
3. A movable multiple fuel injector end cap according to claim 1 or 2, characterized in that: the cylinder cover body (1) is a visual cylinder cover body.
4. A movable multiple fuel injector end cap according to claim 3, characterized in that: the second sleeve (8) is fixed on the side oil sprayer base (6) through bolts.
5. A movable multiple injector end cap according to claim 1, 2 or 4, characterized in that: the first sleeve (5) is fixed on the cylinder cover body (1) through bolts.
6. A movable multiple fuel injector end cap according to claim 5, characterized in that: three groups of connecting holes (14) are arranged on the cylinder cover body (1), and the three groups of connecting holes (14) are arranged at equal intervals.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110799403.7A CN113465927B (en) | 2021-07-15 | 2021-07-15 | Movable multi-oil-injector end cover |
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CN202110799403.7A CN113465927B (en) | 2021-07-15 | 2021-07-15 | Movable multi-oil-injector end cover |
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CN113465927A true CN113465927A (en) | 2021-10-01 |
CN113465927B CN113465927B (en) | 2022-05-06 |
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CN202110799403.7A Active CN113465927B (en) | 2021-07-15 | 2021-07-15 | Movable multi-oil-injector end cover |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103244330A (en) * | 2013-05-16 | 2013-08-14 | 大连民族学院 | Novel fuel spray visual experiment device |
US20190360385A1 (en) * | 2018-05-24 | 2019-11-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Combustion cylinder of an internal combustion engine |
CN210738722U (en) * | 2019-09-11 | 2020-06-12 | 江苏赛麟汽车科技有限公司 | Oil sprayer position-adjustable bullet containing structure |
CN211085689U (en) * | 2019-12-12 | 2020-07-24 | 武汉理工大学 | High-temperature high-pressure natural gas and diesel dual-fuel spraying constant-volume combustion bomb device |
CN112228238A (en) * | 2020-11-17 | 2021-01-15 | 中船动力研究院有限公司 | Diesel engine cylinder cover, diesel engine and ship |
CN112282960A (en) * | 2020-10-28 | 2021-01-29 | 哈尔滨工程大学 | Multi-oil injector injection system of two-stroke marine low-speed machine with central oil injector |
CN112879148A (en) * | 2021-01-25 | 2021-06-01 | 华中科技大学 | Asymmetric combustion chamber system suitable for high power density diesel engine |
-
2021
- 2021-07-15 CN CN202110799403.7A patent/CN113465927B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103244330A (en) * | 2013-05-16 | 2013-08-14 | 大连民族学院 | Novel fuel spray visual experiment device |
US20190360385A1 (en) * | 2018-05-24 | 2019-11-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Combustion cylinder of an internal combustion engine |
CN210738722U (en) * | 2019-09-11 | 2020-06-12 | 江苏赛麟汽车科技有限公司 | Oil sprayer position-adjustable bullet containing structure |
CN211085689U (en) * | 2019-12-12 | 2020-07-24 | 武汉理工大学 | High-temperature high-pressure natural gas and diesel dual-fuel spraying constant-volume combustion bomb device |
CN112282960A (en) * | 2020-10-28 | 2021-01-29 | 哈尔滨工程大学 | Multi-oil injector injection system of two-stroke marine low-speed machine with central oil injector |
CN112228238A (en) * | 2020-11-17 | 2021-01-15 | 中船动力研究院有限公司 | Diesel engine cylinder cover, diesel engine and ship |
CN112879148A (en) * | 2021-01-25 | 2021-06-01 | 华中科技大学 | Asymmetric combustion chamber system suitable for high power density diesel engine |
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