CN201739015U - Cylinder liner of marine diesel engine - Google Patents
Cylinder liner of marine diesel engine Download PDFInfo
- Publication number
- CN201739015U CN201739015U CN2010201525023U CN201020152502U CN201739015U CN 201739015 U CN201739015 U CN 201739015U CN 2010201525023 U CN2010201525023 U CN 2010201525023U CN 201020152502 U CN201020152502 U CN 201020152502U CN 201739015 U CN201739015 U CN 201739015U
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- Prior art keywords
- cylinder liner
- cooling water
- water
- marine diesel
- channel
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- Expired - Fee Related
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a cylinder liner of a marine diesel engine, comprising a cylinder liner which is hermetically sleeved in an engine body of the diesel engine and protrudes out of the upper end of the engine body, wherein the cylinder liner is provided with a bearing surface which is attached to the upper end face of the engine body; a cooling water channel is formed between the cylinder liner below the bearing surface and the engine body; the cylinder liner is connected with the cooling water channel through a water inlet channel on the engine body; the upper end of the cylinder liner is provided with at least one water outlet channel which is matched with a water jacket; the bearing surface of the cylinder liner is upward provided with a plurality of cooling water holes along the inner wall of the cylinder liner; and one end of each cooling water hole is communicated with the water cooling channel, and the other end is communicated with the water outlet channel. The utility model has the advantages that the upper end of the cylinder liner can be effectively cooled through the internal cooling manner, the heating of the upper end of the cylinder liner is uniform, the cooling effect of the cylinder liner is enhanced, and the reliability of the diesel engine is improved.
Description
Technical field
The utility model relates to the technical field of marine diesel engine, particularly a kind of marine diesel cylinder liner.
Background technique
During diesel engine work, gas mixture constantly is compressed blast in cylinder liner, so the operating temperature of cylinder liner is very high, must take measures it is cooled off, otherwise diesel engine just can't proper functioning.In the design of the cylinder liner of prior art and producing, generally contact with the cylinder liner outer surface with cold water in the cooling water channel that body forms, thereby diesel oil is compressed overheated cooling of exploding and being produced in cylinder liner by the cylinder liner middle and lower part.Yet this type of cooling is not taked special cooling method to the cylinder liner upper end portion, directly caused the inhomogeneous thermal distortion of cylinder liner upper end inwall, increased the weight of the destruction of cylinder liner internal wall oil film, create lubricant oil and scurried into the chance of firing chamber, cause the particularly upper end portion rapid wearing of cylinder liner of cylinder liner easily, caused very big waste.And this cylinder liner type of cooling can not reach desirable cooling effect, thereby causes the reliability of diesel engine to be subjected to influence.
The model utility content
Technical problem to be solved in the utility model is: a kind of cooling effect that can strengthen cylinder liner is provided, improves the marine diesel cylinder liner of diesel engine reliability.
The technical scheme in the invention for solving the above technical problem is: a kind of marine diesel cylinder liner, comprise that stuffing box gland is connected to the interior and cylinder liner of evagination on body of body of diesel engine, described cylinder liner is provided with the supporting surface that the upper-end surface with body fits, between cylinder liner below the supporting surface and body, form cooling water channel, and link to each other with described cooling water channel by the inlet channel on the body, described cylinder liner upper end is provided with the water outlet that at least one matches with water jacket, upwards is provided with a plurality of cooling water holes at the supporting surface of described cylinder liner along the body inwall; One end of described cooling water hole communicates with described cooling water channel, and the other end of described cooling water hole communicates with described water outlet.
Compared with prior art, advantage of the present utility model is: the upper end of this marine diesel cylinder liner is provided with the water-cooling channel of inner-cooled.A plurality of cooling water holes that cylinder liner is provided with along cylinder liner internal wall, an end of these cooling water holes communicates with cooling water channel, and the other end water outlet communicates.By the inlet channel water inlet, through cooling water channel and cooling water hole, last water outlet flows into water jacket.The type of cooling of this inner-cooled can effectively be cooled off the cylinder liner upper end portion, and the cylinder liner upper end is heated evenly, and has strengthened the cooling effect of cylinder liner, and has improved the reliability of diesel engine.
As preferably, the quantity of described cooling water hole is 28, and described 28 cooling water holes evenly distribute along the supporting surface circumference.Like this, the connection and reasonable arrangement of cooling water hole, and can carry out water cooling to cylinder liner upper end portion inwall fully.
As preferably, the axis of described cooling water hole and horizontal angle are 45 °.Like this, the area of contact of cylinder liner internal wall and cooling water is increased, strengthened the cooling effect of cylinder liner.
As preferably, described cylinder liner upper end edge body circumferential surface inwardly is provided with a plurality of radially water ports, one end of described a plurality of radially water ports communicates with described water outlet, and the other end of described radially water port and with described radially water port one to one cooling water hole communicate.Like this, by the radially transition of water port, water channel is clear and coherent more.
Same as preferred, the axis of described radially water port and the angle between the first axle are 67 °.Like this, cooling water flowing in water channel is more smooth and easy, and some impurity in the water are difficult for alluvial, can not cause water channel to stop up.
Description of drawings
The structural representation of Fig. 1 the utility model marine diesel cylinder liner.
Fig. 2 is the structural representation that Fig. 1 analyses and observe along the A-A direction.
Fig. 3 is the structural representation that Fig. 1 analyses and observe along the B-B direction.
Fig. 4 be Fig. 3 along F to the partial structurtes schematic representation.
Among Fig. 1-4: 1 inlet channel, 2 bodies, 3 cooling water channels, 4 cylinder liner, 5 water jackets, 6 water outlets, 7O RunddichtringO, 8 cooling water holes, 9 are water port, X first axle, Y horizontal line, Z supporting surface radially.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Shown in Fig. 1-4, a kind of marine diesel cylinder liner, comprise that stuffing box gland is connected to the body 2 inboard also evaginations of diesel engine in the cylinder liner 4 of body 2 upper ends, described cylinder liner 4 is provided with the supporting surface Z that the upper-end surface with body 2 fits, between cylinder liner below the supporting surface Z 4 and body 2, form cooling water channel 3, and the inlet channel 1 that passes through on the body 2 links to each other with described cooling water channel 3, described cylinder liner 4 upper ends are provided with the water outlet 6 that at least one matches with water jacket 5, supporting surface Z in described cylinder liner 4 upwards is provided with 28 cooling water holes 8 along the body inwall, and the angle of the axis of cooling water hole 8 and horizontal line X is 45 °; One end of described cooling water hole 8 communicates with described cooling water channel 3, and the other end of described cooling water hole 8 communicates with described water outlet 6 by water port 9 radially.
One end of described a plurality of radially water ports 9 communicates with described water outlet 6, and the other end of described radially water port 9 and with described radially water port 9 one to one cooling water hole 8 communicate; Obviously, the quantity of cooling water hole 8 also is 28, described 28 radially water port 9 evenly distribute along the body outer peripheral surface, radially an end of water port 9 communicates with water outlet 6, radially the cooling water hole 8 that the other end of water port 9 is corresponding with it communicates.
In the present embodiment, radially the angle between the axis of water port 9 and the first axle Y is 67 °.
During work,, flow to cooling water hole 8, and flow to water outlet 6, flow into water jacket 5 at last by corresponding radially water port 9 with it through cooling water channel 3 by inlet channel 1 water inlet.The type of cooling of this inner-cooled can effectively be cooled off cylinder liner 4 upper end portions, and cylinder liner 4 upper ends are heated evenly, and has strengthened the cooling effect of cylinder liner 4, and has improved the Performance And Reliability of diesel engine.
Below only be described, but can not be interpreted as it is restriction claim with regard to most preferred embodiment of the present utility model.The utility model not only is confined to above embodiment, and its concrete structure allows variation, as: cooling water hole 8 with radially the quantity of water port 9 is all variable; The angle of the axis of cooling water hole 8 and horizontal line X also can be arbitrarily angled between 40 °～60 °; What radially the angle between the axis of water port 9 and the first axle Y also can be between 0～90 ° is arbitrarily angled; Deng.All various variations of being done in the protection domain of the utility model independent claims are all in the utility model protection domain.
Claims (7)
1. marine diesel cylinder liner, comprise that stuffing box gland is connected in the body of diesel engine (2) and the cylinder liner (4) of evagination on body (2), described cylinder liner (4) is provided with the supporting surface (Z) that the upper-end surface with body (2) fits, between the cylinder liner (4) of the below of supporting surface (Z) and body (2), form cooling water channel (3), and link to each other with described cooling water channel (3) by the inlet channel (1) on the body (2); It is characterized in that: described cylinder liner (4) upper end is provided with the water outlet (6) that at least one matches with water jacket (5), and the supporting surface (Z) in described cylinder liner (4) upwards is provided with a plurality of cooling water holes (8) along the body inwall; One end of described cooling water hole (8) communicates with described cooling water channel (3), and the other end of described cooling water hole (8) communicates with described water outlet (6).
2. marine diesel cylinder liner according to claim 1 is characterized in that: the quantity of described cooling water hole (8) is 28, and described 28 cooling water holes (8) evenly distribute along supporting surface (Z) circumference.
3. marine diesel cylinder liner according to claim 1 and 2 is characterized in that: the angle of the axis of described cooling water hole (8) and horizontal line (X) is 40 °～60 °.
4. marine diesel cylinder liner according to claim 3 is characterized in that: the angle of the axis of described cooling water hole (8) and horizontal line (X) is 45 °.
5. marine diesel cylinder liner according to claim 1, it is characterized in that: described cylinder liner (4) upper end edge body circumferential surface inwardly is provided with a plurality of radially water ports (9), one end of described a plurality of radially water ports (9) communicates with described water outlet (6), and the other end of described radially water port (9) and with described radially water port (9) one to one cooling water hole (8) communicate.
6. marine diesel cylinder liner according to claim 5 is characterized in that: the angle between the axis of described radially water port (9) and the first axle (Y) is 0～90 °.
7. marine diesel cylinder liner according to claim 6 is characterized in that: the angle between the axis of described radially water port (9) and the first axle (Y) is 67 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201525023U CN201739015U (en) | 2010-04-01 | 2010-04-01 | Cylinder liner of marine diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201525023U CN201739015U (en) | 2010-04-01 | 2010-04-01 | Cylinder liner of marine diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739015U true CN201739015U (en) | 2011-02-09 |
Family
ID=43554293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201525023U Expired - Fee Related CN201739015U (en) | 2010-04-01 | 2010-04-01 | Cylinder liner of marine diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569866A (en) * | 2015-11-27 | 2016-05-11 | 沪东重机有限公司 | Structure of cooling water channel for cylinder sleeve of marine diesel engine |
| CN112483272A (en) * | 2020-12-02 | 2021-03-12 | 潍柴动力股份有限公司 | Cylinder jacket |
-
2010
- 2010-04-01 CN CN2010201525023U patent/CN201739015U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569866A (en) * | 2015-11-27 | 2016-05-11 | 沪东重机有限公司 | Structure of cooling water channel for cylinder sleeve of marine diesel engine |
| CN112483272A (en) * | 2020-12-02 | 2021-03-12 | 潍柴动力股份有限公司 | Cylinder jacket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20130401 |