CN210919175U - Diesel engine intake valve and valve seat ring anti-abrasion system - Google Patents
Diesel engine intake valve and valve seat ring anti-abrasion system Download PDFInfo
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- CN210919175U CN210919175U CN201921635854.1U CN201921635854U CN210919175U CN 210919175 U CN210919175 U CN 210919175U CN 201921635854 U CN201921635854 U CN 201921635854U CN 210919175 U CN210919175 U CN 210919175U
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Abstract
The utility model discloses an anti-abrasion system for an intake valve and a valve seat ring of a diesel engine.A lubricating oil injection pump of the system is connected with a lubricating oil distributor with a plurality of distributor oil outlets through pipelines; the system for preventing the abrasion of the inlet valve and the valve seat ring of the diesel engine further comprises a plurality of injectors, each injector is arranged on the corresponding cylinder cover, each injector is communicated with the oil outlet of the distributor through a pipeline, and the injectors are inserted into the air inlet channel of the cylinder cover. When diesel engine burning light oil, the utility model discloses a lubricating oil injection pump of diesel engine intake valve and valve seat circle abrasionproof decreases system provides lubricating oil through lubricating oil distributor to each sprayer, and the sprayer sprays lubricating oil in the intake duct of cylinder head, and the lubricating oil that gets into the intake duct can form the carbon deposit at intake valve and valve seat circle surface carbonization, effectively prevents the wearing and tearing of valve and valve seat circle, prolongs the life of intake valve and valve seat circle, effectively guarantees the reliability of diesel engine work.
Description
Technical Field
The utility model belongs to the technical field of the engine, especially, relate to a system that prevents to burn intake valve and valve seat insert wearing and tearing of big cylinder footpath low-speed diesel engine of using heavy oil.
Background
For large-cylinder-diameter medium-low-speed marine diesel engines, heavy oil is mostly used, the heavy oil is considered during design, when the heavy oil is used, for example, patent document with application number "201820431093.7" discloses a valve rotating mechanism for improving the wear of the conical surface of an engine valve, which comprises a spring seat, a locking plate, a valve spring, a valve, a cylinder cover for mounting the valve rotating mechanism and a valve seat ring, the upper end of the valve rod is provided with a multi-locking clamping groove type valve rotating mechanism which comprises 2-4 valve locking grooves on the valve rod, wherein the valve locking grooves are annular grooves, the locking plate matched with the valve lock groove is composed of two axially-separated halves and is embraced at the valve lock groove position of the valve rod, a protruding annular belt in the locking plate is matched with the valve lock groove and is in clearance fit with the valve lock groove, and the protruding annular belt of the locking plate is in line contact with the valve lock groove. The outer conical surface of the locking plate is matched with the inner conical surface of the spring seat, and the two half locking plates are matched without gaps to form complete annular sealing. The utility model discloses reduce the inhomogeneous possibility of engine valve wearing and tearing effectively, high-speed district makes the valve rotate slightly under the drive of air flue air current in the engine, realizes improving the inhomogeneous purpose of valve wearing and tearing.
However, the existing technologies are basically valve rotating mechanisms, and the properties of the fuel cannot be distinguished. Therefore, when light oil or heavy oil is combusted, the amount of carbon deposition formed on the valve and the valve seat ring is greatly different, and the existing marine large-diameter medium-low speed diesel engine basically combusts the heavy oil, so that the rotating mechanism is considered according to the carbon deposition condition of the heavy oil during design, and the condition of combusting the light oil cannot be considered at the same time. When a ship is tested in a port or in a factory, a proper amount of carbon deposition cannot be formed on the surface of an inlet valve due to the fact that light oil is mostly combusted, but a valve rotating mechanism still rotates according to the carbon deposition in heavy oil, so that when a diesel engine combusting heavy oil is tested in the factory (No. 0 light diesel oil is adopted) or switched to light oil in the port, the inlet valve and the valve seat ring are not deposited with proper amount of carbon, and the abrasion of the inlet valve and the valve seat ring is aggravated.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the utility model provides a diesel engine intake valve and valve seat circle abrasionproof decreases system, the big cylinder footpath of heavy oil of burning medium and low-speed diesel engine when burning light oil, can effectively prevent the intake valve of diesel engine and valve seat circle wearing and tearing, the life of extension intake valve and valve seat circle effectively guarantees the reliability of diesel engine work.
In order to solve the technical problem, the technical scheme of the utility model is that:
the diesel engine intake valve and valve seat ring anti-abrasion system comprises a lubricating oil injection pump, wherein the lubricating oil injection pump is connected with a lubricating oil distributor through a pipeline, and the lubricating oil distributor is provided with a plurality of distributor oil outlets; the system for preventing the intake valve and the valve seat ring of the diesel engine from being abraded further comprises a plurality of injectors, each injector is arranged on the corresponding cylinder cover, each injector is communicated with the oil outlet of the distributor through a pipeline, and the injectors are inserted into the air inlet channel of the cylinder cover.
Further, the ejector comprises an ejector body, the ejector body is of a pipe body structure, an ejector oil inlet is formed in the ejector body, and the ejector oil inlet is communicated with the oil outlet of the distributor; the ejector body is also provided with an ejector oil outlet.
Further, the oil outlet of the ejector is of a hole structure.
Further, the aperture of the pore structure is 1 mm.
Further, the ejector is provided with six.
Further, the ejector is provided with seven.
Further, the ejector is provided with eight.
Further, nine injectors are provided.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the diesel engine intake valve and valve seat ring wear-resisting system comprises a lubricating oil injection pump, wherein the lubricating oil injection pump is connected with a lubricating oil distributor with a plurality of distributor oil outlets through pipelines; the system for preventing the abrasion of the inlet valve and the valve seat ring of the diesel engine further comprises a plurality of injectors, each injector is arranged on the corresponding cylinder cover, each injector is communicated with the oil outlet of the distributor through a pipeline, and the injectors are inserted into the air inlet channel of the cylinder cover. When diesel engine burning light oil, the utility model discloses a lubricating oil injection pump of diesel engine intake valve and valve seat circle abrasionproof decreases system provides lubricating oil through lubricating oil distributor to each sprayer, and the sprayer sprays lubricating oil in the intake duct of cylinder head, and the lubricating oil that gets into the intake duct can form the carbon deposit at intake valve and valve seat circle surface carbonization, effectively prevents the wearing and tearing of valve and valve seat circle, prolongs the life of intake valve and valve seat circle, effectively guarantees the reliability of diesel engine work.
Drawings
FIG. 1 is a schematic structural view of an intake valve and valve seat ring wear prevention system of a diesel engine according to the present invention;
FIG. 2 is a schematic illustration of the configuration of one of the injectors of FIG. 1 in a position corresponding to the cylinder head;
FIG. 3 is an enlarged view of the injector of FIG. 1;
FIG. 4 is an enlarged schematic view of the lubricant distributor of FIG. 1;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a left side view of FIG. 4;
in the figure, 1-lubricating oil injection pump, 2-lubricating oil distributor, 21-distributor oil inlet, 22-distributor oil outlet, 3-cylinder cover, 4-ejector, 41-ejector oil inlet, 42-ejector oil outlet and 5-pipeline.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1 and 2, the system for preventing abrasion of the intake valve and the valve seat ring of the diesel engine comprises a lubricating oil injection pump 1, wherein the lubricating oil injection pump 1 is connected with a lubricating oil distributor 2 through a pipeline 5, and the lubricating oil injection pump 1 is communicated with a distributor oil inlet 21 of the lubricating oil distributor 2 through the pipeline 5. The system for preventing the abrasion of the inlet valve and the valve seat ring of the diesel engine further comprises a plurality of injectors 4, each injector 4 is arranged on the corresponding cylinder cover 3, each injector 4 is communicated with the oil outlet 22 of the distributor through a pipeline 5, and the injector 4 is inserted in an air inlet channel of the cylinder cover 3.
As shown in fig. 3, the injector 4 preferably includes an injector body, which is preferably a pipe structure, and an injector oil inlet 41 is provided at an upper portion of the injector body, and the injector oil inlet 41 is communicated with the distributor oil outlet 22 through a pipe; an ejector oil outlet 42 is further arranged at the bottom of the ejector body, and the ejector oil outlet 42 is communicated with an inner cavity of the pipe body structure of the ejector body. The injector oil outlet 42 is preferably of a bore construction. The pore diameter of the pore structure is preferably 1 mm.
Together with fig. 4, 5 and 6, the lubricating oil distributor 2 has a plurality of distributor oil outlets 22. The utility model discloses a diesel engine intake valve and valve seat circle abrasionproof decrease system in used lubricating oil distributor 2's distributor oil-out has 10.
When the diesel engine is a six-cylinder diesel engine, six cylinder heads 3 are provided, six corresponding injectors 4 are provided, the six injectors 4 are respectively and correspondingly connected with six distributor oil outlets 22 on the lubricating oil distributor 2, and the lubricating oil flowing out of the six distributor oil outlets 22 is respectively sprayed into the air inlet channel of the corresponding cylinder head 3 through the six injectors 4. The remaining four distributor outlets 22 return the lubricant via lines to an oil sump (not shown).
When the diesel engine is a seven-cylinder diesel engine, the cylinder heads 3 are provided with seven, the corresponding injectors 4 are provided with seven, the seven injectors 4 are respectively and correspondingly connected with seven distributor oil outlets 22 on the lubricating oil distributor 2, and the lubricating oil flowing out of the seven distributor oil outlets 22 is respectively injected into the air inlet channels of the corresponding cylinder heads 3 through the seven injectors 4. The remaining three of the distributor outlets 22 return to the sump via lines.
When the diesel engine is an eight-cylinder diesel engine, eight cylinder heads 3 are provided, eight corresponding injectors 4 are provided, the eight injectors 4 are respectively and correspondingly connected with eight distributor oil outlets 22 on the lubricating oil distributor 2, and the lubricating oil flowing out of the eight distributor oil outlets 22 is respectively injected into the air inlet channel of the corresponding cylinder head 3 through the eight injectors 4. The lubricating oil of the remaining two distributor outlets 22 flows back to the oil sump via a line.
When the diesel engine is a nine-cylinder diesel engine, nine cylinder heads 3 are provided, nine corresponding injectors 4 are provided, the nine injectors 4 are respectively and correspondingly connected with nine distributor oil outlets 22 on the lubricating oil distributor 2, and the lubricating oil flowing out of the nine distributor oil outlets 22 is respectively injected into the corresponding air inlet channel of the cylinder head 3 through the nine injectors 4. The remaining one of the distributor outlets 22 returns the oil to the oil sump via a line.
Following with the use the utility model discloses a diesel engine intake valve and valve seat circle abrasionproof decreases the process that the system prevented intake valve and valve seat circle wearing and tearing and carry out the detailed description:
taking a six-cylinder diesel engine as an example, six cylinder heads 3 are provided, six corresponding injectors 4 are provided, the six injectors 4 are respectively and correspondingly connected with six distributor oil outlets 22 on the lubricating oil distributor 2, and the lubricating oil flowing out of the six distributor oil outlets 22 is respectively injected into the air inlet channel of the corresponding cylinder head 3 through the six injectors 4. The remaining four distributor outlets 22 are respectively piped into holes in the diesel engine block, and the lubricating oil flowing out of the four distributor outlets 22 flows back into the oil pan. When the diesel engine burns light oil, the utility model discloses a lubricating oil injection pump 1 of diesel engine intake valve and valve seat circle abrasionproof decreases the system provides lubricating oil to each sprayer 4 through lubricating oil distributor 2. Under the control of the control system, the flow rate of each distributor oil outlet 22 is 0.6cm3Min, each oil outlet 22 of the distributor sprays lubricating oil for 3 times per minute, and each time is 0.2cm3. Ejector 4Lubricating oil is sprayed in an air inlet channel of the cylinder cover 3, the lubricating oil entering the air inlet channel can be carbonized on the surfaces of the air inlet valve and the valve seat ring to form carbon deposition, the abrasion of the valve and the valve seat ring is effectively prevented, the service life of the air inlet valve and the valve seat ring is prolonged, and the working reliability of a diesel engine is effectively guaranteed.
In the description of the present specification, it is to be understood that the orientation or positional relationship described by the "upper portion", "bottom portion", etc. is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that the described embodiments are only some of the embodiments of the present invention, rather than all embodiments, which are given by way of illustration only, and the scope of the present invention is defined by the appended claims. Without any inventive step, those skilled in the art can make various changes or modifications to the embodiments without departing from the spirit and scope of the present invention.
Claims (8)
1. The diesel engine intake valve and valve seat ring anti-abrasion system is characterized by comprising a lubricating oil injection pump, wherein the lubricating oil injection pump is connected with a lubricating oil distributor through a pipeline, and the lubricating oil distributor is provided with a plurality of distributor oil outlets; the system for preventing the intake valve and the valve seat ring of the diesel engine from being abraded further comprises a plurality of injectors, each injector is arranged on the corresponding cylinder cover, each injector is communicated with the oil outlet of the distributor through a pipeline, and the injectors are inserted into the air inlet channel of the cylinder cover.
2. The diesel engine intake valve and valve seat ring wear prevention system of claim 1, wherein the injector comprises an injector body, the injector body is of a pipe structure, an injector oil inlet is formed in the injector body, and the injector oil inlet is communicated with the distributor oil outlet; the ejector body is also provided with an ejector oil outlet.
3. The diesel intake valve and valve seat insert wear prevention system of claim 2, wherein the injector oil outlet is of a bore configuration.
4. The diesel intake valve and valve seat insert wear prevention system of claim 3, wherein the aperture of the hole pattern is 1 mm.
5. The diesel intake valve and valve seat insert wear prevention system of claim 1, wherein there are six injectors.
6. The diesel intake valve and valve seat insert wear prevention system of claim 1, wherein seven injectors are provided.
7. The diesel intake valve and valve seat insert wear prevention system of claim 1, wherein eight injectors are provided.
8. The diesel intake valve and valve seat insert wear prevention system of claim 1, wherein nine injectors are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635854.1U CN210919175U (en) | 2019-09-27 | 2019-09-27 | Diesel engine intake valve and valve seat ring anti-abrasion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635854.1U CN210919175U (en) | 2019-09-27 | 2019-09-27 | Diesel engine intake valve and valve seat ring anti-abrasion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919175U true CN210919175U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921635854.1U Active CN210919175U (en) | 2019-09-27 | 2019-09-27 | Diesel engine intake valve and valve seat ring anti-abrasion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919175U (en) |
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2019
- 2019-09-27 CN CN201921635854.1U patent/CN210919175U/en active Active
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