CN114382605A - High-performance diesel engine cylinder sleeve and production process thereof - Google Patents
High-performance diesel engine cylinder sleeve and production process thereof Download PDFInfo
- Publication number
- CN114382605A CN114382605A CN202111650782.XA CN202111650782A CN114382605A CN 114382605 A CN114382605 A CN 114382605A CN 202111650782 A CN202111650782 A CN 202111650782A CN 114382605 A CN114382605 A CN 114382605A
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- Prior art keywords
- cooling
- main body
- cooling jacket
- diesel engine
- sealing ring
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- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 17
- 238000009750 centrifugal casting Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000003723 Smelting Methods 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 229910052720 vanadium Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/004—Cylinder liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention belongs to the technical field of cylinder liners, and particularly relates to a high-performance diesel engine cylinder liner and a production process thereof. The cooling water in the circulating water cavity can flow rapidly through the arrangement of the spiral plates, the temperature of the cooling water with different heights in the cooling water tank can be balanced, the surface temperature of the main body is balanced, and the service life of the cylinder sleeve is prolonged.
Description
Technical Field
The invention relates to the technical field of cylinder liners, in particular to a high-performance diesel engine cylinder liner and a production process thereof.
Background
The cylinder liner is exactly the cylinder jacket for short, it is in the cylinder of cylinder body, it is the combustion chamber with piston and lid combination together, the cylinder liner divide into dry cylinder liner and wet cylinder liner two major types, the cylinder liner of back contactless cooling water is called dry cylinder liner, the cylinder liner of back contact cooling water is called wet cylinder liner, the water cooling method is used mostly at present to the horizontal diesel engine of single cylinder, the working condition and the life-span of cooling effect direct influence diesel engine, current cylinder liner cooling system is all very simple, the effect is not excellent, therefore, provide a casting simple and the good high performance diesel engine cylinder liner of cooling effect and production technology thereof.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-performance diesel engine cylinder sleeve and a production process thereof, and solves the problems mentioned in the background technology.
(II) technical scheme
The invention specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a high performance diesel engine cylinder liner and production technology thereof, includes the main part, the outside cover of main part is equipped with the cooling jacket, the cooling trough has been seted up to the lateral wall of main part, the inside equidistance of cooling trough is fixed with annular heat dissipation wing, be provided with the circulating water chamber through the heat-conducting plate between the upper and lower both ends of cooling jacket inboard, the inside in circulating water chamber is equipped with the spiral plate, the inside and outside both sides of spiral plate are fixed with the one end of heat-conducting plate and cooling jacket respectively.
Further, one side of the upper end of the main body is provided with a water inlet communicated with the inside of the cooling water tank, the other side of the lower end of the main body is provided with a water outlet communicated with the inside of the cooling water tank, the lower end of one side wall of the cooling jacket is provided with a water filling port, and the upper end of one side wall of the cooling jacket is provided with a water pumping port.
Furthermore, the main body and the cooling jacket are sealed in a matching mode through a first sealing ring, a second sealing ring and a third sealing ring.
Further, the inside wall of main part is provided with the wearing layer, the inner wall equidistance of wearing layer has seted up the deposition groove.
Further, the material composition of the main body is C: 5.25%, Cr: 1.6%, Mn: 1.6%, Si: 0.4%, Ti: 0.1%, B: 0.01%, Be: 0.002%, Cu: 0.43%, Nb: 0.18%, Mo: 0.035%, V: 0.22%, Re: 0.05%, P < 0.01%, S < 0.01%, and the balance Fe, wherein the wear-resistant layer comprises the following material components: 3.3%, Cr: 23.2%, V: 0.02%, Mn: 0.1%, W: 0.85%, Si: 1.52%, Ni: 0.01%, P < 0.01%, S < 0.01%, B: 0.03%, Cu: 0.039%, Mo: 0.3 percent of Fe, and the balance of Fe, wherein the material of the cooling jacket is a conventional cast iron material.
The invention also provides a production process of the high-performance diesel engine cylinder sleeve, which comprises the following steps;
s1: smelting, namely putting the furnace burden of the main cooling jacket and the wear-resistant layer into a smelting furnace for smelting to obtain molten iron A1, A2 and A3;
s2: pouring one: respectively injecting molten iron A1 and A2 into pouring ladles of a centrifugal casting machine in different rotating states, wherein the rotating speed of the centrifugal casting machine is 1700 r/min;
s3: after the molten iron A1 is cooled and solidified, injecting the molten iron A2 into a pouring ladle of a centrifugal casting machine in which the molten iron A1 is positioned, wherein the rotating speed of the centrifugal casting machine is still 1700 r/min;
s4: cooling and demolding: cooling the poured material, and demolding after cooling to obtain a cylinder sleeve blank;
s5: normalizing and tempering: carrying out normalizing on the cylinder sleeve blank at the constant temperature of 880-;
s6: cutting and polishing, namely processing the inner surface and the outer surface of the cylinder sleeve according to requirements and polishing the inner surface and the outer surface of the cylinder sleeve.
S7: rust prevention, namely coating rust prevention oil on the surfaces of the main body and the cooling jacket;
s8: and assembling, namely adding a first sealing ring, a second sealing ring and a third sealing ring to assemble the main body and the cooling jacket.
(III) advantageous effects
Compared with the prior art, the invention provides a high-performance diesel engine cylinder sleeve and a production process thereof, and the high-performance diesel engine cylinder sleeve has the following beneficial effects:
according to the cylinder sleeve, the annular heat dissipation fins are arranged in the cooling groove formed in the outer side wall of the main body, so that the heat dissipation effect is enhanced, the cooling sleeve is arranged, and the cooling water in the cooling groove is dissipated by utilizing the circulating water cavity and the heat conduction plate which are arranged in the cooling sleeve, so that the cylinder sleeve has good heat dissipation performance.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of a front view structure of the present invention;
FIG. 3 is a schematic perspective view of the main body of the present invention;
FIG. 4 is a schematic view of the spiral plate structure of the present invention.
In the figure: 1. a main body; 2. a cooling jacket; 3. a cooling water tank; 4. heat dissipation fins; 5. a water inlet; 6. a water outlet; 7. a heat conducting plate; 8. a circulating water cavity; 9. a spiral plate; 10. a water injection port; 11. a water pumping port; 12. a first sealing ring; 13. a second sealing ring; 14. a third sealing ring; 15. a wear layer; 16. an ash accumulation groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-4, a high performance diesel engine cylinder liner and a production process thereof according to an embodiment of the present invention includes a main body 1, a cooling jacket 2 is sleeved outside the main body 1, a cooling water tank 3 is disposed on an outer side wall of the main body 1, annular heat dissipation fins 4 are equidistantly fixed inside the cooling water tank 3, a circulating water chamber 8 is disposed between an upper end and a lower end of an inner side of the cooling jacket 2 through a heat conduction plate 7, a spiral plate 9 is disposed inside the circulating water chamber 8, an inner side and an outer side of the spiral plate 9 are respectively fixed to the heat conduction plate 7 and one end of the cooling jacket 2, the cooling water chamber 3 and the annular heat dissipation fins 4 are disposed to increase a cooling rate of the cooling water for the main body 1, the temperature of the cooling water in the cooling water tank 3 can be transferred to the cooling water in the circulating water chamber 8 through the circulating water chamber 8 and the heat conduction plate 7 disposed inside the cooling jacket 2, so that a heating rate of the cooling water in the cooling water tank 3 is slowed down, and the cooling effect can be further improved by matching with the arrangement of the spiral plate 9.
As shown in fig. 1, 2 and 3, in some embodiments, a water inlet 5 communicated to the inside of the cooling water tank 3 is disposed on one side of the upper end of the main body 1, a water outlet 6 communicated to the inside of the cooling water tank 3 is disposed on the other side of the lower end of the main body, a water filling port 10 is disposed on the lower end of one side wall of the cooling jacket 2, and a water pumping port 11 is disposed on the upper end of one side wall of the cooling jacket, the cooling water in the cooling water tank 3 flows from top to bottom, and the cooling water in the circulating water chamber 8 flows from bottom to top, so that the cooling water near the water outlet 6 is cooled by the cooling water near the water filling port 10, and the temperature of the cooling water in the cooling water tank 3 is relatively balanced.
As shown in fig. 2, in some embodiments, the main body 1 and the cooling jacket 2 are sealed by the first sealing ring 12, the second sealing ring 13 and the third sealing ring 14 in a matching manner, and the cooling water in the cooling water tank 3 is not easy to seep out by the arrangement of the first sealing ring 12, the second sealing ring 13 and the third sealing ring 14.
As shown in fig. 2, in some embodiments, the inner side wall of the main body 1 is provided with the wear-resistant layer 15, the inner side wall of the wear-resistant layer 15 is provided with the ash depositing groove 16 at equal intervals, the service life of the cylinder sleeve is prolonged by providing the wear-resistant layer 15, the diameter of the ash depositing groove 16 mentioned herein is far smaller than the thickness of the piston, the surface of the piston may drop scraps when in use, and by providing the ash depositing groove 16, the scraps can be stored, the scraps are prevented from interfering the work of the piston, and meanwhile, redundant lubricating oil can be accumulated in the ash depositing groove 16, and the interval for adding the lubricating oil is prolonged.
In some embodiments, the material composition of the body 1 is C: 5.25%, Cr: 1.6%, Mn: 1.6%, Si: 0.4%, Ti: 0.1%, B: 0.01%, Be: 0.002%, Cu: 0.43%, Nb: 0.18%, Mo: 0.035%, V: 0.22%, Re: 0.05%, P < 0.01%, S < 0.01%, and the balance Fe, wherein the wear-resistant layer 15 comprises the following material components: 3.3%, Cr: 23.2%, V: 0.02%, Mn: 0.1%, W: 0.85%, Si: 1.52%, Ni: 0.01%, P < 0.01%, S < 0.01%, B: 0.03%, Cu: 0.039%, Mo: 0.3 percent of Fe, and the balance of Fe, wherein the material of the cooling jacket 2 is a conventional cast iron material.
The invention also provides a production process of the high-performance diesel engine cylinder sleeve, which comprises the following steps;
s1: smelting, namely putting the furnace burden of the cooling jacket 2 of the main body 1 and the wear-resistant layer 15 into a smelting furnace for smelting to obtain molten iron A1, A2 and A3;
s2: pouring one: respectively injecting molten iron A1 and A2 into pouring ladles of a centrifugal casting machine in different rotating states, wherein the rotating speed of the centrifugal casting machine is 1700 r/min;
s3: after the molten iron A1 is cooled and solidified, the molten iron A2 is injected into a pouring ladle of a centrifugal casting machine where the molten iron A1 is located, and the rotating speed of the centrifugal casting machine is still 1700 r/min;
s4: cooling and demolding: cooling the poured material, and demolding after cooling to obtain a cylinder sleeve blank;
s5: normalizing and tempering: carrying out normalizing on the cylinder sleeve blank at the constant temperature of 880-;
s6: cutting and polishing, namely processing the inner surface and the outer surface of the cylinder sleeve according to requirements and polishing the inner surface and the outer surface of the cylinder sleeve.
S7: rust prevention, namely coating rust prevention oil on the surfaces of the main body 1 and the cooling jacket 2;
s8: and assembling, namely adding a first sealing ring 12, a second sealing ring 13 and a third sealing ring 14 to assemble the main body 1 and the cooling jacket 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A high performance diesel engine cylinder liner, includes main part (1), its characterized in that: the outside cover of main part (1) is equipped with cooling jacket (2), cooling trough (3) have been seted up to the lateral wall of main part (1), the inside equidistance of cooling trough (3) is fixed with annular heat dissipation wing (4), be provided with circulating water chamber (8) through heat-conducting plate (7) between the upper and lower both ends of cooling jacket (2) inboard, the inside in circulating water chamber (8) is equipped with spiral plate (9), the inside and outside both sides of spiral plate (9) are fixed with the one end of heat-conducting plate (7) and cooling jacket (2) respectively.
2. The cylinder liner for a high performance diesel engine as defined in claim 1, wherein: one side of the upper end of the main body (1) is provided with a water inlet (5) communicated with the inside of the cooling water tank (3), the other side of the lower end of the main body is provided with a water outlet (6) communicated with the inside of the cooling water tank (3), the lower end of one side wall of the cooling jacket (2) is provided with a water filling port (10), and the upper end of one side wall of the cooling jacket is provided with a water pumping port (11).
3. The cylinder liner for a high performance diesel engine as defined in claim 1, wherein: the main body (1) and the cooling jacket (2) are sealed in a matching mode through a first sealing ring (12), a second sealing ring (13) and a third sealing ring (14).
4. The cylinder liner for a high performance diesel engine as defined in claim 1, wherein: the inner side wall of the main body (1) is provided with a wear-resistant layer (15), and ash deposition grooves (16) are formed in the inner side wall of the wear-resistant layer (15) at equal intervals.
5. The process for producing a cylinder liner for a high-performance diesel engine as claimed in any one of claims 1 to 4, wherein: comprises the following steps;
s1: smelting, namely putting the furnace burden of the main body (1), the cooling jacket (2) and the wear-resistant layer (15) into a smelting furnace for smelting to obtain molten iron A1, A2 and A3;
s2: pouring one: respectively injecting molten iron A1 and A2 into pouring ladles of a centrifugal casting machine in different rotating states, wherein the rotating speed of the centrifugal casting machine is 1700 r/min;
s3: after the molten iron A1 is cooled and solidified, injecting the molten iron A2 into a pouring ladle of a centrifugal casting machine in which the molten iron A1 is positioned, wherein the rotating speed of the centrifugal casting machine is still 1700 r/min;
s4: cooling and demolding: cooling the poured material, and demolding after cooling to obtain a cylinder sleeve blank;
s5: normalizing and tempering: carrying out normalizing on the cylinder sleeve blank at the constant temperature of 880-;
s6: cutting and polishing, namely processing the inner surface and the outer surface of the cylinder sleeve according to requirements and polishing the inner surface and the outer surface of the cylinder sleeve;
s7: rust prevention, namely coating rust prevention oil on the surfaces of the main body (1) and the cooling jacket (2);
s8: and assembling, namely adding a first sealing ring (12), a second sealing ring (13) and a third sealing ring (14) to assemble the main body (1) and the cooling jacket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111650782.XA CN114382605A (en) | 2021-12-31 | 2021-12-31 | High-performance diesel engine cylinder sleeve and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111650782.XA CN114382605A (en) | 2021-12-31 | 2021-12-31 | High-performance diesel engine cylinder sleeve and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114382605A true CN114382605A (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111650782.XA Pending CN114382605A (en) | 2021-12-31 | 2021-12-31 | High-performance diesel engine cylinder sleeve and production process thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114382605A (en) |
Citations (14)
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|---|---|---|---|---|
| JPH0674089A (en) * | 1992-07-03 | 1994-03-15 | Mazda Motor Corp | Cooling device for engine |
| JP2005337035A (en) * | 2004-05-24 | 2005-12-08 | Honda Motor Co Ltd | Cooling structure of cylinder liner |
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| JP2012092758A (en) * | 2010-10-27 | 2012-05-17 | Toyota Motor Corp | Cylinder block cooling structure |
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-
2021
- 2021-12-31 CN CN202111650782.XA patent/CN114382605A/en active Pending
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