CN116280144A - Connecting device for host lubricating oil and oil feeding method - Google Patents
Connecting device for host lubricating oil and oil feeding method Download PDFInfo
- Publication number
- CN116280144A CN116280144A CN202310232414.6A CN202310232414A CN116280144A CN 116280144 A CN116280144 A CN 116280144A CN 202310232414 A CN202310232414 A CN 202310232414A CN 116280144 A CN116280144 A CN 116280144A
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- China
- Prior art keywords
- oil tank
- pipe section
- oil
- main engine
- main
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/386—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling lubrication liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
- F16L23/028—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes the flanges being held against a shoulder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention provides a connecting device and an oil feeding method of host lubricating oil, wherein the connecting device comprises a host oil pan pipe section and an oil tank pipe section, and the host oil pan pipe section and the oil tank pipe section are of split structures; the first end of the main engine oil pan pipe section is connected with the first end of the oil tank pipe section, the main engine oil pan pipe section comprises a main engine oil pan pipe section body and a first connecting structure arranged at the second end of the main engine oil pan pipe section, the first connecting structure is used for connecting the main engine oil pan, the oil tank pipe section comprises an oil tank pipe body and a second connecting structure arranged at the second end of the oil tank pipe section, and the second connecting structure is used for connecting the oil tank; the connecting device for the main engine oil pan is simple and convenient to operate, and the welding mode adopted in the main engine oil tank test stage in the prior art is avoided.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a connecting device for main engine lubricating oil and an oil feeding method.
Background
The lubricating mode of the ship main engine lubricating oil system mainly comprises pressure lubrication and splash lubrication, and most of lubricating oil finally flows through a main engine oil pan, through a main engine oil return connection and a main engine oil return hole and enters a lubricating oil circulation oil tank for recycling.
In the ship construction process, the oil adding of the main engine lubricating oil is divided into an external circulation test stage of the main engine lubricating oil machine and an internal circulation acceptance stage after the test stage is completed. In any stage, the sump of the main engine needs to be connected with the lubricating oil circulation sump. In the off-board circulation test stage, the host position is only preliminarily determined, and in the on-board circulation acceptance stage, the host position is finally determined. The positions of the oil sump and the lubricating oil circulation oil sump are relatively changed due to the change of the positions of the main engine in the two stages.
In the prior art, the bottom shell of the oil tank and the lubricating oil circulation oil tank in the two stages are welded by welding communicating pipes. After the external test stage of the main engine lubricating oil machine is finished, the connecting pipe needs to be removed, and then the connecting pipe is welded according to the final position of the main engine. Repeatedly welding the main engine oil pan and the lubricating oil circulation oil tank, damage can be caused to the wall of the oil tank, and the service life is influenced; and the interval between the main engine oil pan and the lubricating oil circulation tank is smaller (interval is 250-400 mm), so that the welding process is inconvenient to operate, and safety risks such as explosion are caused.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a connection device for a host lubricant and a method for feeding lubricant.
The invention provides a connecting device for main engine lubricating oil, which comprises a main engine oil bottom shell pipe section and an oil tank pipe section, wherein the main engine oil bottom shell pipe section and the oil tank pipe section are of a split structure; the first end of the main engine oil pan pipe section is connected with the first end of the oil tank pipe section, the main engine oil pan pipe section comprises a main engine oil pan pipe section body and a first connecting structure arranged at the second end of the main engine oil pan pipe section, the first connecting structure is used for connecting the main engine oil pan, the oil tank pipe section comprises an oil tank pipe body and a second connecting structure arranged at the second end of the oil tank pipe section, and the second connecting structure is used for connecting the oil tank; the second connecting structure comprises a second convex ring part protruding outwards from the circumference of the oil tank pipe body, a groove arranged on the oil tank pipe body and a clamp used for being buckled on the groove; when the oil tank pipe section is connected with the oil tank, the second convex ring part is abutted against the inner wall of the oil tank, and the clamp is abutted against the outer wall of the oil tank; the first connection structure includes a first collar portion protruding circumferentially outwardly of the main sump pipe section body, the first collar portion being located within the main sump for defining a main sump pipe section body position.
Preferably, the inner side wall of the groove, which is close to the first end of the oil tank pipe section, is provided with a first wedge-shaped end face, the first wedge-shaped end face is inclined towards the second end of the oil tank pipe section from top to bottom, and the clamp is provided with a second wedge-shaped end face which is abutted with the first wedge-shaped end face.
Preferably, the first connection structure includes a clip plate disposed between the first collar portion and an inner wall of the main engine oil pan.
Preferably, the first end of the main engine oil pan pipe section and the first end of the oil tank pipe section are both fixedly provided with flange plates, and the two flange plates are connected through bolts.
The oil feeding method of the host lubricating oil adopts the connecting device and comprises the following steps: s1, when the external circulation oil feeding of the main engine is carried out, confirming the positions of the main engine oil pan and the oil tank according to the initial placement position of the main engine, and communicating the main engine oil pan and the oil tank through the connecting device; s2, dismantling a connecting device of the main engine lubricating oil, and adjusting the positions of a main engine oil pan and an oil tank according to the final placement requirement of the main engine; s3, selecting a connecting pipe according to the distance between the oil tank and the main engine oil pan, and respectively welding two ends of the connecting pipe on the oil tank and the main engine oil pan.
As described above, the connecting device and the oil feeding method for the host lubricating oil, disclosed by the invention, have the advantages that the main engine oil pan pipe section and the host engine oil pan are connected through the first connecting structure, the oil tank pipe section and the oil tank pipe section are connected through the second connecting structure, and then the host engine oil pan pipe section and the oil tank pipe section are connected. Meanwhile, the first convex ring part and the second convex ring part respectively abut against the inner wall of the main engine oil pan and the inner wall of the oil tank, so that the sealing effect of the oil tank pipe section and the oil tank and the sealing effect of the main engine oil pan pipe section and the main engine oil pan are ensured.
Drawings
FIG. 1 is a schematic diagram of a connecting device for lubricating oil of a host according to the present invention.
Fig. 2 is a schematic diagram of a main engine oil pan pipe section in the connecting device of the main engine lubricating oil according to the present invention.
FIG. 3 is a schematic view of a section of a tank in a connection device for a host lubrication oil according to the present invention.
FIG. 4 is a schematic view of a portion of a tank section of a host lubrication connection according to the present invention.
Fig. 5 is an enlarged view of area a in fig. 4.
FIG. 6 is a schematic diagram of a portion of a connection device for a host lubricant according to the present invention.
Reference numerals illustrate:
100. a main oil pan section; 110. a main sump section body; 120. a first collar portion; 130. a clamping plate; 200. an oil tank pipe section; 210. an oil tank pipe section body; 220. a second convex ring portion; 230. a groove; 231. a first wedge-shaped end face; 240. a clamp; 241. a second wedge-shaped end face; 250. a flange plate; 251. a bolt; 300. a main engine oil pan; 400. an oil tank; 500. and a sealing gasket.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
1-6, an embodiment of a connection device for a host lubricant includes a main sump pipe section 100 and a sump pipe section 200, where the main sump pipe section 100 and the sump pipe section 200 are in a split structure; the first end of the main sump pipe section 100 is connected with the first end of the oil tank pipe section 200, the second end of the main sump pipe section 100 is provided with a first connection structure connected with the main sump pipe section 100, the oil tank pipe section 200 comprises an oil tank pipe section body 210 and a second connection structure arranged at the second end of the oil tank pipe section 200, and the second connection structure is used for connecting the oil tank 400;
the second connection structure includes a second collar portion 220 protruding circumferentially outward from the tank tube section body 210, a groove 230 provided in the tank tube section body 210, and a clip 240 for being snapped onto the groove 230; when the oil tank pipe section 200 is connected with the oil tank 400, the convex ring part is abutted against the inner wall of the oil tank 400, and the clamp 240 is abutted against the outer wall of the oil tank 400;
the first connection structure includes a first collar portion 120 protruding circumferentially outward of the main sump pipe segment body 110, the first collar portion 120 being located within the main sump 300 for defining the position of the main sump pipe segment body 110.
Specifically, when the oil tank pipe section 200 is connected to the oil tank 400, the first end of the oil tank pipe section 200 extends out of the oil tank 400 from the inside of the oil tank 400 through an oil return hole of the oil tank 400, so that the second convex ring portion 220 abuts against the inner wall of the oil tank 400, and then the clamp 240 is fixedly arranged on the groove 230, so that the clamp 240 abuts against the outer wall of the oil tank 400, and finally the oil tank pipe section 200 is fixed on the oil tank 400 through the clamp 240 and the second convex ring portion 220.
When the main engine oil pan pipe section 100 is connected to the main engine oil pan 300, the first end of the pipe section extends out of the main engine oil pan 300 from the inside of the main engine oil pan 300 through the oil return hole of the main engine oil pan 300, so that the first convex ring portion 120 abuts against the inner wall of the main engine oil pan 300; and then the first end of the main engine oil pan pipe section 100 is connected with the first end of the oil tank pipe section 200, so that the fixing of the oil tank 400 pipe section is realized. In this embodiment, the first end of the main oil pan pipe section 100 and the first end of the oil tank pipe section 200 are both fixedly provided with flanges 250, and the two flanges 250 are connected by bolts 251.
The main engine oil pan pipe section 100 and the main engine oil pan 300 are connected through the first connecting structure, the oil tank 400 and the oil tank pipe section 200 are connected through the second connecting structure, the main engine oil pan pipe section 100 and the oil tank pipe section 200 are connected, the connecting device of the main engine lubricating oil is simple and convenient to operate, the problem that welding is directly adopted in the main engine oil tank test stage in the prior art is avoided, the safety performance is high, and the damage of repeated welding to the wall of the oil tank 400 is avoided. Meanwhile, the connection mode that the first convex ring portion 120 and the second convex ring portion 220 respectively abut against the inner wall of the main engine oil pan 300 and the inner wall of the oil tank 400 ensures the sealing effect of the oil tank pipe section 200 and the oil tank 400, and the main engine oil pan pipe section 100 and the main engine oil pan 300.
In order to further ensure the sealing effect of the first connection structure and the second connection structure, in this embodiment, a sealing gasket is disposed on a side of the first convex ring portion 120 facing the second end of the main oil pan pipe section 100, or/and on a side of the second convex ring portion 220 facing the second end of the oil pan pipe section 200.
Preferably, the inner side wall of the groove 230 near the first end of the oil tank pipe section 200 is provided with a first wedge-shaped end surface 231, the first wedge-shaped end surface 231 is inclined from top to bottom towards the second end of the oil tank pipe section 200, and the clamp 240 is provided with a second wedge-shaped end surface 241 abutting against the first wedge-shaped end surface 231.
When the clip 240 is tightened at the groove 230, the wedge-shaped end surface of the clip 240 is locked toward the outer sidewall of the oil compartment 400 along the wedge-shaped surface of the groove 230, and finally the oil compartment 400 wall is locked between the clip 240 and the second collar portion 220.
Specifically, the first connection structure includes a clamping plate 130 disposed between the first collar portion 120 and an inner wall of the main oil pan 300. The thickness of the clamping plate 130 between the first collar portion 120 and the inner wall of the main sump 300 may be selected to adjust the length of the first end of the sump tube segment 200 extending beyond the outer wall of the main sump 300, thereby accommodating the distance between the outer wall of the main sump 300 and the outer wall of the sump 400. Of course, in order to ensure the connection firmness of the clamping plate 130 and the first convex ring portion 120, the clamping plate 130 is detachably connected with the outer wall of the main engine oil pan 300 through the bolts 251.
An embodiment of a method for adding lubricating oil to a host machine, using any one of the above-described connection devices, includes the steps of: s1, when an external circulation oil feeding stage of a lubricating oil host is carried out, confirming the positions of a main engine oil pan 300 and an oil tank 400 according to the initial placement position of the host, and communicating the main engine oil pan 300 and the oil tank 400 through a connecting device; s2, dismantling a connecting device of the main engine lubricating oil, and adjusting the positions of the main engine oil pan 300 and the oil tank 400 according to the final placement position of the main engine; s3, selecting a connecting pipe according to the distance between the oil tank 400 and the main engine oil pan 300, and respectively welding two ends of the connecting pipe on the oil tank 400 and the main engine oil pan 300.
The connecting device of the host lubricating oil is simple and convenient to operate, the problem that in the prior art, a welding mode is adopted directly at the test stage of a host oil tank, the safety performance is high, the problem that repeated welding damages the wall of an oil tank and the problem that welding in a narrow space is inconvenient are avoided; meanwhile, safety risks such as explosion caused by frequent welding in a narrow space are avoided.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (5)
1. The connecting device of the main engine lubricating oil is characterized by comprising a main engine oil bottom shell pipe section (100) and an oil tank pipe section (200), wherein the main engine oil bottom shell pipe section (100) and the oil tank pipe section (200) are of a split structure; the oil tank comprises a main oil tank pipe section (100), wherein a first end of the main oil tank pipe section (100) is connected with a first end of the oil tank pipe section (200), the main oil tank pipe section (100) comprises a main oil tank pipe section (100) body and a first connecting structure arranged at a second end of the main oil tank pipe section (100), the first connecting structure is used for connecting the main oil tank (300), the oil tank pipe section (200) comprises an oil tank (400) pipe body and a second connecting structure arranged at a second end of the oil tank pipe section (200), and the second connecting structure is used for connecting the oil tank (400);
the second connecting structure comprises a second convex ring part (220) which circumferentially protrudes outwards from the oil tank (400) pipe body, a groove (230) arranged on the oil tank (400) pipe body and a clamp (240) used for being buckled on the groove (230); when the oil tank pipe section (200) is connected with the oil tank (400), the second convex ring part (220) is abutted against the inner wall of the oil tank (400), and the clamp (240) is abutted against the outer wall of the oil tank (400);
the first connection structure includes a first collar portion (120) projecting circumferentially outwardly of the main sump pipe section body (110), the first collar portion (120) being located within the main sump (300) for defining a position of the main sump pipe section body (110).
2. A connection device for a host lubricant according to claim 1, characterized in that the groove (230) is provided with a first wedge-shaped end surface (231) near the inner side wall of the first end of the tank pipe section (200), the first wedge-shaped end surface (231) is inclined from top to bottom towards the second end of the tank pipe section (200), and the clip (240) is provided with a second wedge-shaped end surface (241) abutting against the first wedge-shaped end surface (231).
3. The connection device of claim 1, wherein the first connection structure includes a clamping plate (130) disposed between the first collar portion (120) and an inner wall of the main engine oil pan (300).
4. The connecting device of a host lubricant according to claim 1, wherein the first end of the host oil pan pipe section (100) and the first end of the oil tank pipe section (200) are both fixedly provided with flanges (250), and the two flanges (250) are connected by bolts (251).
5. An oil feeding method of host lubricating oil, characterized in that the connecting device of any one of claims 1-4 is adopted, comprising the following steps: s1, when the external circulation oil feeding stage of the host is carried out, confirming the positions of the oil pan (300) of the host and the oil tank (400) according to the initial placement position of the host, and communicating the oil pan (300) of the host and the oil tank (400) through the connecting device; s2, dismantling a connecting device of the main engine lubricating oil, and adjusting positions of an oil pan (300) and an oil tank (400) of the main engine according to final placement requirements of the main engine; s3, selecting a connecting pipe according to the distance between the oil tank (400) and the main engine oil pan (300), and respectively welding two ends of the connecting pipe on the oil tank (400) and the main engine oil pan (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310232414.6A CN116280144A (en) | 2023-03-10 | 2023-03-10 | Connecting device for host lubricating oil and oil feeding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310232414.6A CN116280144A (en) | 2023-03-10 | 2023-03-10 | Connecting device for host lubricating oil and oil feeding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116280144A true CN116280144A (en) | 2023-06-23 |
Family
ID=86818121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310232414.6A Pending CN116280144A (en) | 2023-03-10 | 2023-03-10 | Connecting device for host lubricating oil and oil feeding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116280144A (en) |
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2023
- 2023-03-10 CN CN202310232414.6A patent/CN116280144A/en active Pending
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