CN114017195A - Engine with high kinetic energy heat conversion rate and preparation method thereof - Google Patents
Engine with high kinetic energy heat conversion rate and preparation method thereof Download PDFInfo
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- CN114017195A CN114017195A CN202111289100.7A CN202111289100A CN114017195A CN 114017195 A CN114017195 A CN 114017195A CN 202111289100 A CN202111289100 A CN 202111289100A CN 114017195 A CN114017195 A CN 114017195A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 238000003801 milling Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 238000010791 quenching Methods 0.000 claims abstract description 10
- 230000000171 quenching effect Effects 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000005485 electric heating Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- 229910001060 Gray iron Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000001133 acceleration Effects 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000000227 grinding Methods 0.000 abstract description 3
- 238000005242 forging Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 16
- 239000010425 asbestos Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- 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
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0085—Materials for constructing engines or their parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
- F01M11/0004—Oilsumps
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- 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
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- 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
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/006—Camshaft or pushrod housings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the technical field of engines, in particular to an engine with high kinetic energy and heat conversion rate and a preparation method thereof. The method comprises the steps of selecting a forged steel blank to manufacture each part of the engine, carrying out hole milling operation, heating the part to 650-700 ℃ through electric heating, quenching, carrying out cold milling on the hole, assembling the part into the engine and the like. The preparation method designed by the invention is improved from the aspects of selecting more optimal raw materials, improving forging and grinding processes and the like, improving the hardness and toughness of the engine cylinder body, accurately grinding the piston hole and effectively reducing the resistance suffered by the piston in the motion process; the engine prepared by the method can reduce the attenuation amount of the acting force generated by fuel combustion explosion by using the principle of the acting force and the reacting force, improve the resilience force of the piston and further increase the reciprocating motion force of the piston, thereby improving the heat conversion rate of the engine, saving the oil of products at the same level, shortening the acceleration time of the engine, and enabling the transport machinery to be accelerated more quickly and the power to be smoother.
Description
Technical Field
The invention relates to the technical field of engines, in particular to an engine with high kinetic energy and heat conversion rate and a preparation method thereof.
Background
An engine is a machine that can convert other forms of energy into mechanical energy, including, for example, internal combustion engines, external combustion engines, jet engines, electric motors, and the like. The engine is applicable to both the power generation device and the whole machine including the power device. At present, the most common engines are mainly applied to transportation machines such as automobiles or ships. At present, the engine technology of China is still in a copying stage, the thermal conversion rate of kinetic energy is too low, and the mechanical speed is increased too slowly when the engine is used for filling a fuel door, namely the engine is commonly called as 'too meat'. However, there is no good engine capable of effectively increasing the kinetic energy heat conversion rate, and there is no method for preparing an engine with high kinetic energy heat conversion rate in the prior art.
Disclosure of Invention
The present invention is directed to an engine with high kinetic energy and heat conversion rate and a method for manufacturing the same, so as to solve the problems of the background art.
In order to solve the above technical problems, an object of the present invention is to provide a method for manufacturing an engine with high kinetic energy heat conversion rate, including the steps of:
s1, selecting a forged steel blank as initial steel of the engine cylinder sleeve, and manufacturing and molding the initial material into each main part of the engine according to a conventional process;
s2, performing hole milling operation on the molded parts;
s3, after hole milling and forming, integrally heating each part to 650-700 ℃ by an electric heating method;
s4, quenching the parts made of the forged steel blanks;
s5, after quenching, performing cold milling operation on holes in the component, and particularly, accurately sizing the holes matched with the piston;
and S6, finally, assembling the components of the engine according to a conventional process to assemble the complete engine.
As a further improvement of the present technical solution, in S1, the specific method for casting and molding the starting material into each main component of the engine includes the following steps:
s1.1, selecting a forged steel blank as an initial steel material to replace a part material manufactured by adopting materials such as gray cast iron, alloy cast iron and a cast steel blank in a traditional engine;
s1.2, manufacturing an integrally formed cylinder block-crankcase by using a forged steel blank;
s1.3, manufacturing a lower crankcase by using a forged steel billet;
s1.4, manufacturing a cylinder cover by using the forged steel blank;
s1.5, using a thin steel plate made of a cast billet to manufacture the oil pan through a stamping process.
As a further improvement of the technical solution, in S2, when the hole milling operation is performed on each molded part, the preliminarily opened hole diameter should be smaller than the preset required hole diameter.
As a further improvement of the present invention, in S4, the purpose of heating the entire parts to a certain temperature and then quenching the heated parts is: so that all parts of the cylinder body can reach certain hardness and strength.
As a further improvement of the present technical solution, in S5, a specific method for performing a precise cold milling operation on a size of a hole adapted to a piston includes the following steps:
s5.1, acquiring the accurate size of the piston to be installed;
s5.2, performing cold milling operation on a hole position to be provided with a piston on the cylinder block-crankcase, and measuring the inner diameter of the piston hole once every cold milling circle;
s5.3, when the measured inner diameter of the piston hole is close to the required size, inserting the piston into the piston hole, and simulating the motion process of the piston to judge whether the piston can move smoothly;
and S5.4, carrying out fine cold milling and polishing operation on the inner wall of the piston hole according to the smoothness degree of the simulated motion, and ensuring the accurate size and the smooth inside of the piston hole.
As a further improvement of the present technical solution, in S6, the specific method for assembling the components of the engine according to the conventional process includes the following steps:
s6.1, mounting a lower crankcase at the bottom end of the integrally formed cylinder block-crankcase, and additionally arranging a gasket between the joint surfaces of the lower crankcase and the upper crankcase;
s6.2, taking a cylinder gasket with a copper sheet-cotton structure, installing the cylinder gasket at the top end of the cylinder block-crankcase, and ensuring that the positions of holes of the cylinder gasket and the cylinder block are aligned;
s6.3, mounting the cylinder cover on the top surface of the cylinder gasket;
s6.4, mounting an oil pan at the bottom end of the lower crankcase;
and S6.5, assembling components such as a knock sensor, a distributor, a cylinder wire, a piston, a spark plug, a throttle valve, a thermostat and the like according to a conventional process, and installing connecting pipelines.
The invention also provides an engine with high kinetic energy and heat conversion rate, which is prepared by the preparation method of the engine with high kinetic energy and heat conversion rate.
As a further improvement of the technical scheme, a plurality of cylinder bodies are arranged in the cylinder body side by side, and a piston hole is formed in the front end of each cylinder body.
As a further improvement of the present invention, a gasket is provided between the joining surfaces of the upper crankcase and the lower crankcase.
As a further improvement of the technical scheme, a plurality of alignment holes are arranged on the air cylinder cushion side by side, and the alignment holes are equal in number and correspond to the cylinder bodies in position one to one.
Compared with the prior art, the invention has the beneficial effects that:
1. the preparation method of the engine with high kinetic energy and heat conversion rate is improved from the aspects of selecting more optimal raw materials, improving forging and grinding processes and the like, the hardness and the strength of the engine cylinder body are improved, the piston hole is accurately ground, and the resistance in the piston motion process is effectively reduced;
2. the engine prepared by the method can reduce the attenuation amount of the acting force generated by fuel combustion explosion by using the principle of the acting force and the reacting force, improve the resilience force of the piston and further increase the reciprocating motion force of the piston, thereby improving the heat conversion rate of the engine, saving the oil of products at the same level, shortening the acceleration time of the engine, and enabling the transport machinery to be accelerated more quickly and the power to be smoother.
Drawings
FIG. 1 is a flow diagram of the overall process of the present invention;
FIG. 2 is a flow chart of a partial method of the present invention;
FIG. 3 is a second flowchart of a partial method according to the present invention;
FIG. 4 is a third flowchart of a partial method of the present invention;
FIG. 5 is a schematic view of the overall structure of the engine according to the present invention;
fig. 6 is a schematic view of a disassembled structure of the engine of the present invention.
In the figure:
1. a cylinder liner main body; 11. a cylinder block; 111. a cylinder body; 112. a piston bore; 12. an upper crankcase; 13. a lower crankcase; 14. a liner;
2. a cylinder head;
3. a cylinder head gasket; 31. aligning holes;
4. an oil pan.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Further, in the description of the present invention, "a number" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a method for manufacturing an engine with high kinetic energy heat conversion rate, including the following steps:
s1, selecting a forged steel blank as initial steel of the engine cylinder sleeve, and casting and molding the initial material into each main component of the engine according to a conventional process;
s2, performing hole milling operation on the molded parts;
s3, after hole milling and forming, integrally heating each part to 650-700 ℃ by an electric heating method;
s4, quenching the parts made of the forged steel blanks;
s5, after quenching, performing cold milling operation on holes in the component, and particularly, accurately sizing the holes matched with the piston;
and S6, finally, assembling the components of the engine according to a conventional process to assemble the complete engine.
In this embodiment, in S1, the specific method of casting and molding the starting material into each main component of the engine includes the steps of:
s1.1, selecting a forged steel blank as an initial steel material to replace a part material manufactured by adopting materials such as gray cast iron, alloy cast iron and a cast steel blank in a traditional engine;
s1.2, casting an integrally formed cylinder block-crankcase by using a forged steel blank;
s1.3, casting a lower crankcase by using a forged steel billet;
s1.4, casting the cylinder cover by using the forged steel billet;
s1.5, using a thin steel plate made of a cast billet to manufacture the oil pan through a stamping process.
Specifically, in S2, when the hole milling operation is performed on each formed part, the preliminarily set hole diameter should be smaller than the preset required hole diameter.
Specifically, in S4, the purpose of heating the entire components to a certain temperature and then quenching the heated components is: so that all parts of the cylinder body can reach certain hardness and strength.
Furthermore, through the process flow, the toughness and rigidity of the cylinder body material can be effectively improved, so that the kinetic energy heat conversion rate of the engine can be improved through the principle of acting force and reacting force.
It is worth to be noted that the specific principle of the acting force and the reacting force in mechanics is as follows: when the acting force is large, if the acted object is like a spring or cotton, the acting force is partially buffered, the acting force is reduced, and the reaction force is reduced; conversely, when the object to be acted upon has high strength and hardness, the attenuation of the force is small, and the reaction force is naturally large.
Specifically, by utilizing the principle, the combustion ratio of the fuel in the cylinder is acting force, the acting force generated by the combustion and explosion of the fuel in the cylinder acts on the cylinder body and the piston, and the cylinder body is in a static state, the piston can move, and all the reaction force generated in the cylinder body acts on the piston, so that the cylinder body material of the engine prepared by the process flow has good toughness and rigidity, the resilience of the piston is increased along with the good toughness, and the heat conversion rate of the engine is improved.
In this embodiment, in S5, the specific method for performing the precise cold milling operation on the size of the hole matched with the piston includes the following steps:
s5.1, acquiring the accurate size of the piston to be installed;
s5.2, performing cold milling operation on a hole position to be provided with a piston on the cylinder block-crankcase, and measuring the inner diameter of the piston hole once every cold milling circle;
s5.3, when the measured inner diameter of the piston hole is close to the required size, inserting the piston into the piston hole, and simulating the motion process of the piston to judge whether the piston can move smoothly;
and S5.4, carrying out fine cold milling and polishing operation on the inner wall of the piston hole according to the smoothness degree of the simulated motion, and ensuring the accurate size and the smooth inside of the piston hole.
In this embodiment, in S6, the specific method for assembling the components of the engine according to the conventional process includes the following steps:
s6.1, mounting a lower crankcase at the bottom end of the integrally formed cylinder block-crankcase, and additionally arranging a gasket between the joint surfaces of the lower crankcase and the upper crankcase;
s6.2, taking a cylinder gasket with a copper sheet-cotton structure, installing the cylinder gasket at the top end of the cylinder block-crankcase, and ensuring that the positions of holes of the cylinder gasket and the cylinder block are aligned;
s6.3, mounting the cylinder cover on the top surface of the cylinder gasket;
s6.4, mounting an oil pan at the bottom end of the lower crankcase;
and S6.5, assembling components such as a knock sensor, a distributor, a cylinder wire, a piston, a spark plug, a throttle valve, a thermostat and the like according to a conventional process, and installing connecting pipelines.
Example 2
As shown in fig. 5-6, the present embodiment provides an engine with high kinetic energy and heat conversion rate, which is prepared by the above preparation method of an engine with high kinetic energy and heat conversion rate, and includes a cylinder liner main body 1, where the cylinder liner main body 1 includes a cylinder block 11, an upper crankcase 12 is integrally formed at a bottom end of the cylinder block 11, a lower crankcase 13 is connected to a bottom end of the upper crankcase 12, a cylinder head 2 is disposed at a top end of the cylinder liner main body 1, a cylinder gasket 3 is disposed between the cylinder head 2 and the cylinder liner main body 1, and an oil pan 4 is disposed at a bottom end of the cylinder liner main body 1.
In the present embodiment, a plurality of cylinders 111 are provided in parallel in the cylinder block 11, and in the present embodiment, the number of cylinders 111 is preferably four or more.
Further, a piston hole 112 is formed in the front end of each cylinder 111, and a piston with a matched size is inserted into the piston hole 112 in a sliding mode.
Specifically, the design of a plurality of cylinder blocks makes the dynamics of piston reciprocating motion bigger, and then makes engine heat conversion rate higher.
Specifically, with the structure, when the engine is used on an automobile, the acceleration time of the automobile from 0-100 km/h is shortened, and the fuel consumption of the same-grade automobile is relatively reduced.
In this embodiment, a gasket 14 is provided between the joint surfaces of the upper crankcase 12 and the lower crankcase 13 to prevent leakage of the lubricating oil.
Further, the upper crankcase 12 and the lower crankcase 13 together constitute a crankcase structure for mounting a crankshaft.
In this embodiment, the cylinder head gasket 3 is provided with a plurality of alignment holes 31 side by side, and the number of the alignment holes 31 is equal to that of the cylinder blocks 111, and the positions of the alignment holes 31 correspond to those of the cylinder blocks 111 one by one.
The aperture of the alignment hole 31 is larger than or equal to the size of the port at the top end of the cylinder 111, so that the influence on the working effect of the engine caused by shielding the port of the cylinder 111 is avoided.
Specifically, the head gasket 3 is interposed between the cylinder head 2 and the cylinder block 11, and functions to ensure a sealing effect of the contact surface between the cylinder head 2 and the cylinder block 11, and to prevent air leakage, water leakage, or oil leakage.
Furthermore, the material of the cylinder head gasket 3 should have a certain elasticity to compensate for the unevenness of the joint surface to ensure sealing, and also should have good heat resistance and pressure resistance, and should not burn and deform at high temperature and high pressure, the cylinder head gasket 3 may be of a copper sheet-cotton structure, and have three copper sheets at the flanges, and thus is not easily deformed compared with asbestos when compressed, or may be of a structure in which a knitted mesh wire or a holed steel plate is used as a skeleton in the center of asbestos and both surfaces are pressed with asbestos and a rubber binder.
In this embodiment, the lower crankcase 13 is mainly used for storing lubricating oil, and the oil pan 4 is used for closing the crankcase.
Specifically, since the oil pan 4 is subjected to a small force, it is generally stamped from a thin steel plate, and its shape depends on the overall arrangement of the engine and the capacity of the engine oil.
Further, an oil stabilizing baffle plate should be installed inside the oil pan 4 to prevent the oil level from fluctuating too much when the vehicle is jolting.
Further, the bottom of the oil pan 4 is also provided with an oil drain plug, and a permanent magnet is usually installed on the oil drain plug to adsorb metal chips in the lubricating oil, so as to reduce the wear of the engine.
In addition, the relevant principles of the embodiments of the present invention are also applicable to other engines, such as aircraft engines and the like.
Those skilled in the art will appreciate that all or part of the steps for implementing the above embodiments may be performed by hardware executors, or may be performed by programs for instructing the relevant hardware executors.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A preparation method of an engine with high kinetic energy and heat conversion rate is characterized by comprising the following steps: the method comprises the following steps:
s1, selecting a forged steel blank as initial steel of the engine cylinder sleeve, and manufacturing and molding the initial material into each main part of the engine according to a conventional process;
s2, performing hole milling operation on the molded parts;
s3, after hole milling and forming, integrally heating each part to 650-700 ℃ by an electric heating method;
s4, quenching the parts made of the forged steel blanks;
s5, after quenching, performing cold milling operation on holes in the component, and particularly, accurately sizing the holes matched with the piston;
and S6, finally, assembling the components of the engine according to a conventional process to assemble the complete engine.
2. The method of manufacturing an engine having high kinetic energy heat conversion according to claim 1, wherein: in S1, the method for casting and molding the starting material into the main components of the engine includes the following steps:
s1.1, selecting a forged steel blank as an initial steel material to replace a part material manufactured by adopting materials such as gray cast iron, alloy cast iron and a cast steel blank in a traditional engine;
s1.2, manufacturing an integrally formed cylinder block-crankcase by using a forged steel blank;
s1.3, manufacturing a lower crankcase by using a forged steel billet;
s1.4, manufacturing a cylinder cover by using the forged steel blank;
s1.5, using a thin steel plate made of a cast billet to manufacture the oil pan through a stamping process.
3. The method of manufacturing an engine having high kinetic energy heat conversion according to claim 2, wherein: in S2, when the hole milling operation is performed on each molded part, the preliminarily set hole diameter should be smaller than the preset required hole diameter.
4. The method of manufacturing an engine having high kinetic energy heat conversion according to claim 3, wherein: in S4, the purpose of quenching after heating the entire parts to a certain temperature is: so that all parts of the cylinder body can reach certain hardness and strength.
5. The method of manufacturing an engine having high kinetic energy heat conversion according to claim 4, wherein: in S5, the specific method of performing the precise cold milling operation on the size of the hole matched with the piston includes the following steps:
s5.1, acquiring the accurate size of the piston to be installed;
s5.2, performing cold milling operation on a hole position to be provided with a piston on the cylinder block-crankcase, and measuring the inner diameter of the piston hole once every cold milling circle;
s5.3, when the measured inner diameter of the piston hole is close to the required size, inserting the piston into the piston hole, and simulating the motion process of the piston to judge whether the piston can move smoothly;
and S5.4, carrying out fine cold milling and polishing operation on the inner wall of the piston hole according to the smoothness degree of the simulated motion, and ensuring the accurate size and the smooth inside of the piston hole.
6. The method of manufacturing an engine having high kinetic energy heat conversion according to claim 5, wherein: in S6, the specific method for assembling the components of the engine according to the conventional process includes the following steps:
s6.1, mounting a lower crankcase at the bottom end of the integrally formed cylinder block-crankcase, and additionally arranging a gasket between the joint surfaces of the lower crankcase and the upper crankcase;
s6.2, taking a cylinder gasket with a copper sheet-cotton structure, installing the cylinder gasket at the top end of the cylinder block-crankcase, and ensuring that the positions of holes of the cylinder gasket and the cylinder block are aligned;
s6.3, mounting the cylinder cover on the top surface of the cylinder gasket;
s6.4, mounting an oil pan at the bottom end of the lower crankcase;
and S6.5, assembling components such as a knock sensor, a distributor, a cylinder wire, a piston, a spark plug, a throttle valve, a thermostat and the like according to a conventional process, and installing connecting pipelines.
7. An engine having high kinetic energy heat conversion rate, which is manufactured by the method for manufacturing an engine having high kinetic energy heat conversion rate according to claim 6, characterized in that: including cylinder liner main part (1), cylinder liner main part (1) includes cylinder block (11), the bottom integrated into one piece of cylinder block (11) has last crankcase (12), the bottom of going up crankcase (12) is connected with lower crankcase (13), the top of cylinder liner main part (1) is equipped with cylinder head (2), cylinder head (2) with be equipped with cylinder head gasket (3) between cylinder liner main part (1), the bottom of cylinder liner main part (1) is equipped with oil pan (4).
8. The high kinetic energy heat conversion engine of claim 7, wherein: a plurality of cylinder bodies (111) are arranged in the cylinder body (11) side by side, and a piston hole (112) is formed in the front end of each cylinder body (111).
9. The high kinetic energy heat conversion engine of claim 8, wherein: a gasket (14) is arranged between the joint surfaces of the upper crankcase (12) and the lower crankcase (13).
10. The high kinetic energy heat conversion engine of claim 9, wherein: the air cylinder gasket (3) is provided with a plurality of alignment holes (31) in parallel, and the alignment holes (31) are equal in number and correspond to the cylinder bodies (111) in position one to one.
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| CN202111289100.7A CN114017195A (en) | 2021-11-02 | 2021-11-02 | Engine with high kinetic energy heat conversion rate and preparation method thereof |
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| JP2000038956A (en) * | 1998-07-23 | 2000-02-08 | Yamaha Motor Co Ltd | Forged sleeve and its manufacture |
| US20050188738A1 (en) * | 2004-02-27 | 2005-09-01 | George Rauscher | Forged flange cylinder liner and method of manufacture |
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