CN110953064B

CN110953064B - Rotary cylinder engine

Info

Publication number: CN110953064B
Application number: CN201911289556.6A
Authority: CN
Inventors: 唐红兵
Original assignee: Nanjing Meixue Power Technology Co ltd
Current assignee: Nanjing Meixue Power Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-08-03
Anticipated expiration: 2039-12-13
Also published as: CN110953064A

Abstract

The invention is as follows: the cycle operation cycle of the rotary cylinder engine is divided into: 4 processes of air intake, compression, work doing and air exhaust; the device comprises a main shaft, a machine body, a rotary cylinder body, a piston rod, a gear connecting rod, an internal gear, an external gear and an end cover 9; the end cover, the shaft sleeve, the piston rod and the rotary cylinder body are arranged on the main shaft; the wall of the machine body is provided with an exhaust port, an air inlet and an oil injection port; a left inner gear and a right inner gear are arranged in the machine body; one or more cylinders are arranged in the rotary cylinder body, the outer side surface of the top of each cylinder is provided with a cylinder hole, an external gear is arranged on the rotary cylinder body, a gear connecting rod is arranged on the external gear, one end of a piston rod is arranged on the main shaft, the other end of the piston rod is arranged on a piston shaft, and the middle of the piston rod is arranged on the gear connecting rod.

Description

Rotary cylinder engine

Technical Field

The invention relates to a novel conventional fuel engine.

Background

Since the invention of the conventional fuel engine by human, the history of more than 100 years has existed, the engines mainly used for vehicles and ships by human are two-stroke engines or four-stroke engines, and the common characteristics of the two-stroke engines and the four-stroke engines are crankshaft mechanisms, namely, the engine pushes a piston to move up and down in a cylinder by the heat energy of fuel combustion, and the up-and-down movement of the piston pushes a crankshaft to rotate, so that the crankshaft is converted into mechanical energy to be transmitted; however, because of the position limitation of the cylinder and the crankshaft and the rotation motion of the crankshaft, only a part of the pressure on the piston is transmitted to the piston rod, only a part of the thrust of the piston rod can push the crankshaft to rotate, and the torque for pushing the crankshaft to rotate is continuously changed from 0 to the maximum value, so that the torque output by the crankshaft is very small and continuously changed, the proportion of converting fuel heat energy into mechanical energy is greatly reduced, and the characteristics of poor economy, low power density and the like of the engine are directly caused; for a piston engine, the higher the compression ratio is, the better the engine economy is, and the better the environmental protection is, the compression ratio of the existing gasoline engine is 8-12, the compression ratio of the diesel engine is 12-22, and if the compression ratio is further increased, the volume and the weight of a mounting carrier are limited.

If the compression ratio of the engine can be increased to be within the range of 8-80, the pressure generated by fuel combustion can completely push the rotation of the output shaft, the moment arm of torque is kept unchanged at the maximum value all the time, a crankcase is not arranged, the structure is more compact, the size is smaller, the defects of low compression ratio, low transmission structure efficiency, large volume, low power density, high manufacturing cost, poor economy, poor environmental protection and the like of the piston engine which is widely applied at present can be overcome, and the human urgent need for the novel engine can meet the requirements of the times on energy conservation, emission reduction, environmental protection and the like.

Disclosure of Invention

The invention aims to provide an advanced new engine which overcomes the defects of the existing engine, and the performances of the engine, such as dynamic property, economical efficiency, environmental protection property and the like, of the engine are superior to those of all conventional power engines in the world.

The technical scheme for solving the technical problem is as follows: a rotary cylinder engine, which can be used both as a compression ignition combustion engine and as a spark ignition combustion engine, has a cyclic operating cycle divided into: 4 processes of air intake, compression, work doing and air exhaust.

The invention comprises a main shaft, a machine body, a rotary cylinder body, a piston rod, a gear connecting rod, an internal gear, an external gear and an end cover 9.

The main shaft penetrates through the interior of the machine body, and a key groove, a lubricating oil channel and a cooling liquid channel are formed in the main shaft; the end cover, the shaft sleeve, the piston rod and the rotary cylinder body are arranged on the main shaft; the main shaft and the rotary cylinder body are assembled together through a key to form a whole and rotate together; the main shaft and the end cover are assembled together through a supporting bearing, and the main shaft can rotate freely; the end cover is fixed with the machine body through bolts to form a whole; the wall of the machine body is provided with an exhaust port, an air inlet and an oil injection port; a machine body sleeve is arranged in the machine body, and a left inner gear and a right inner gear are arranged in the machine body; one or more cylinders are arranged in the rotary cylinder body, and when a plurality of cylinders are arranged, the cylinders are symmetrically arranged along an arc; the cylinders are in arc-body cylindrical shapes, a cylinder sleeve is arranged in each cylinder, and one piston is arranged in each cylinder; the outer side surface of the top of each cylinder is provided with a cylinder hole, and a sealing ring is arranged on the periphery of each cylinder hole; the front part of the piston is provided with a piston ring which plays a sealing role, and the rear part of the piston is provided with a piston shaft; the cylinder, the top of the piston and the inner wall of the engine body sleeve form a closed combustion chamber; the rotary cylinder body is provided with a gear shaft, the gear shaft is provided with the external gear, the external gear is matched with the internal gear arranged on the machine body, the transmission ratio is 2 to 1, namely the rotary cylinder body rotates for one circle, and the external gear rotates for 2 circles; the outer gear is provided with a connecting rod shaft, the connecting rod shaft is provided with the gear connecting rod, the gear connecting rod can freely rotate, and the other end of the gear connecting rod is provided with a connecting shaft; one end of the piston rod is arranged on the main shaft and can freely rotate, the other end of the piston rod is arranged on the piston shaft of the piston and is fixed together and can not rotate, and the middle of the piston rod is arranged on the connecting shaft of the gear connecting rod and can freely rotate; the rotation of the outer gear drives the gear connecting rod to move, the movement of the gear connecting rod drives the piston rod to rotate, and the rotation of the piston rod drives the piston to reciprocate relative to the cylinder; when manufacturing a compression ignition combustion engine, the engine operates as follows: the cylinder admits air when the cylinder bore is rotated to the intake port; when the cylinder hole leaves the air inlet, the air inlet of the cylinder is finished, the piston moves relative to the cylinder, and the air in the cylinder is compressed; when the cylinder hole rotates to the oil injection port, the piston finishes compressing the gas in the cylinder, and the oil injection nozzle injects oil into the cylinder; when the cylinder hole leaves the oil injection port, the mixed gas in the cylinder burns to do work to push the piston to move relative to the cylinder, but the movement of the piston is limited by the inner gear, the outer gear cannot be reversed, the burnt gas in the cylinder does work to only push the rotary cylinder body to rotate, and the rotation of the rotary cylinder body drives the main shaft to rotate to realize the power output of the engine; when the cylinder hole is rotated to the exhaust port, the work of the combustion gas in the cylinder is finished, and the exhaust is carried out; when the cylinder bore leaves the exhaust port, the exhaust is finished and the engine enters the next operating cycle; the main shaft rotates for one circle, and the engine works for one cycle; when the ignition combustion engine is manufactured, fuel can be subjected to electronic injection mixing in the air inlet pipe and then enters the cylinder through the air inlet and the cylinder hole, the original oil injection port is changed into the ignition port, and other operation processes of the engine are the same as those of the compression ignition combustion engine.

The main shaft is drilled or cast with a lubricating oil channel and a cooling liquid channel, and the main shaft can also be drilled or cast with a fuel oil channel according to the manufacturing requirement.

A machine body sleeve is arranged in the machine body, a lubricating oil groove is formed in the lower part of the machine body, and a lubricating oil return port is formed in the machine body; the machine body is also internally provided with a cooling liquid channel for cooling the machine body; and a lubricating oil channel is arranged in the machine body to lubricate the inner wall of the machine body sleeve.

A cooling liquid channel is arranged in the rotary cylinder body to cool the cylinder; a main shaft mounting hole is formed in the center of the rotary cylinder body, a key groove is formed in the main shaft mounting hole, a main shaft mounting pressing block is mounted on the rotary cylinder body, and the main shaft mounting pressing block is used for mounting the rotary cylinder body on the main shaft; the rotary cylinder body is provided with a sealing edge, and the sealing edge is used for sealing the air inlet and the exhaust port when the engine does not need to intake air or exhaust air.

When the high-speed engine is manufactured, the oil injection port and the ignition port of the engine can be respectively arranged on the left side and the right side of the top of the cylinder, namely on the left end face and the right end face of the rotary cylinder body, the oil injection port or the ignition port on the engine body is not used, fuel oil is input to the cylinder through a fuel oil channel on the main shaft, a fuel oil pump can be installed on the rotary cylinder body, the external gear is used for providing power to pressurize the fuel oil, and the pressurized fuel oil enters the oil injection port again to be injected into the cylinder.

The circulation of the engine coolant is as follows: the cooling liquid flows in two parts, and one part of the cooling liquid flowing out of the cooling pump cools the machine body; the other part of the cooling liquid enters the cooling liquid channel in one end of the main shaft, flows into the rotary cylinder body in the engine through a cooling liquid pipe to cool the cylinder, enters the cooling liquid channel in the other end of the main shaft through a cooling liquid pipe, flows out of the engine, flows through a radiator, flows back to a cooling liquid tank, and starts the next circulation.

The inner wall of the cylinder sleeve, the inner gear and the outer gear are lubricated by adopting spray lubrication; the main shaft, the gear shaft, the connecting rod shaft, the connecting shaft and the inner wall of the machine body sleeve can be lubricated by pressure.

The control of the oil injection and the ignition of the engine is carried out by the control of a computer; the engine is started by starting the electric motor, and the engine is stopped by stopping the supply of fuel or stopping ignition.

To sum up the above

The compression ratio of the engine can be within 8-80, the engine is selected and manufactured according to requirements, and the larger the diameter of the engine body is, the higher the compression ratio can be designed; the thrust force arm to the engine power output shaft generated by fuel oil combustion is kept unchanged at the maximum value, and because the rotary cylinder body of the invention is a large flywheel and has the functions of energy storage and energy release, the torque output by the invention is almost stable and unchanged and is the maximum value; the rotating speed of the invention is manufactured according to the requirement, the rotating speed per minute can be 70-5000, and the manufacturing is selected according to the requirement; the technology, process, material, equipment and the like related to the manufacturing of the piston engine can be provided by a related mature system of the existing piston engine, and the piston engine has the characteristics of good economy, good dynamic property, compact structure, high thermal efficiency, high power density, good environmental protection and the like.

Drawings

Fig. 1 is a sectional view taken along line a-a of fig. 2.

FIG. 2 is an axial sectional view of an assembly drawing of the engine in the embodiment.

Fig. 3 is a right side view of fig. 4.

Fig. 4 is an axial sectional view of the housing in the embodiment.

Fig. 5 is a cross-sectional view of fig. 4.

Fig. 6 is a bottom view of fig. 7.

FIG. 7 is a front view of the main shaft in the embodiment.

Fig. 8 is an assembly view of the rotary cylinder body in the embodiment.

Fig. 9 is a left side view of fig. 8.

Figure 10 is a front view of the rotary cylinder block of the embodiment.

Fig. 11 is a left side view of fig. 10.

FIG. 12 is a front view of a main shaft mounting block on the rotary cylinder body in the embodiment.

Fig. 13 is a left side view of fig. 12.

FIG. 14 is a front view of the upper sealing edge of the cylinder body in the embodiment.

Fig. 15 is a left side view of fig. 14.

FIG. 16 is a front view of the piston in the embodiment.

Fig. 17 is a top view of fig. 16.

Fig. 18 is a front view of the piston rod in the embodiment.

Fig. 19 is a left side view of fig. 18.

FIG. 20 is a front view of the gear link of the embodiment.

Fig. 21 is a left side view of fig. 20.

Fig. 22 is a bottom view of fig. 23.

Fig. 23 is a front view of the external gear in the embodiment.

Fig. 24 is a bottom view of fig. 25.

Fig. 25 is a front view of an internal gear in the embodiment.

Fig. 26 is a bottom view of fig. 27.

FIG. 27 is a front view of the end cap of the embodiment.

Detailed Description

Take the example of fig. 1-27:

the cycle operation period of the invention is divided into: 4 processes of air intake, compression, work doing and air exhaust.

The invention comprises a main shaft 6, a machine body 1, a rotary cylinder body 7, a piston 2, a piston rod 3, a gear connecting rod 5, an internal gear 9, an external gear 4 and an end cover 12.

The main shaft 6 penetrates through the interior of the machine body 1, and a key groove, a lubricating oil channel 27 and a cooling liquid channel 26 are formed in the main shaft 6; the end cover 12, the shaft sleeve 10, the piston rod 3 and the rotary cylinder body 7 are arranged on the main shaft 6; the main shaft 6 and the rotary cylinder body 7 are assembled together through a key to form a whole body and rotate together; the main shaft 6 and the end cover 12 are assembled together through a support bearing 11, and the main shaft 6 can rotate freely; the end cover 12 is fixed with the machine body 1 through bolts to form a whole; an exhaust port 14, an air inlet 13 and an oil injection port 17 are arranged on the wall of the machine body 1; a machine body sleeve 15 is arranged in the machine body 1, and a left inner gear 9 and a right inner gear 9 are arranged in the machine body 1; 2 air cylinders 24 are arranged in the rotary cylinder body 7, and the 2 air cylinders 24 are symmetrically arranged along an arc; the cylinders 24 are in the shape of a circular arc cylinder, a cylinder sleeve 25 is arranged in each cylinder 24, and one piston 2 is arranged in each cylinder 24; the outer side surface of the top of each cylinder 24 is provided with a cylinder hole 22, and the periphery of the cylinder hole is provided with a sealing ring 23; the front part of the piston 2 is provided with a piston ring 29, the piston ring 29 plays a sealing role, and the rear part of the piston 2 is provided with a piston shaft 28; the cylinder 24, the top of the piston 2 and the inner wall of the machine body sleeve 15 form a closed combustion chamber; the rotary cylinder body 7 is provided with a gear shaft 21, the gear shaft 21 is provided with the external gear 4, the external gear 4 is matched with the internal gear 9 arranged on the machine body 1, the transmission ratio is 2 to 1, namely the rotary cylinder body 7 rotates for one circle, and the external gear 4 rotates for 2 circles; a connecting rod shaft 30 is arranged on the outer gear 4, the gear connecting rod 5 is arranged on the connecting rod shaft 30, the gear connecting rod 5 can rotate freely, and a connecting shaft 18 is arranged at the other end of the gear connecting rod 5; one end of the piston rod 3 is arranged on the main shaft 6 and can freely rotate, the other end of the piston rod 3 is arranged on the piston shaft 28 of the piston 2 and is fixed together and can not rotate, and the middle of the piston rod 3 is arranged on the connecting shaft 18 of the gear connecting rod 5 and can freely rotate; the rotation of the external gear 4 drives the gear connecting rod 5 to move, the movement of the gear connecting rod 5 drives the piston rod 3 to rotate, and the rotation of the piston rod 3 drives the piston 2 to reciprocate relative to the cylinder 24; the operation process of the engine is as follows: when the cylinder bore 22 turns to the intake port 13, the cylinder 24 is charged; when the cylinder hole 22 leaves the air inlet 13, the air inlet of the cylinder 24 is finished, and the piston 2 moves relative to the cylinder 24 to compress the air in the cylinder 24; when the cylinder hole 22 rotates to the oil injection port 17, the piston 2 finishes compressing the gas in the cylinder 24, and the oil injection nozzle injects oil into the cylinder 24; when the cylinder hole 22 leaves the oil injection port 17, the mixed gas in the cylinder 24 combusts to do work, so as to push the piston 2 to move relative to the cylinder 24, but because the movement of the piston 2 is limited by the inner gear 9, the outer gear 4 cannot be reversed, the combustion gas in the cylinder 24 does work only to push the rotary cylinder block 7 to rotate, and the rotation of the rotary cylinder block 7 drives the main shaft 6 to rotate, so that the power output of an engine is realized; when the cylinder hole 22 is turned to the exhaust port 14, the work of the combustion gas in the cylinder 24 is finished, and the exhaust is performed; when the cylinder bore 22 leaves the exhaust port, the exhaust is finished and the engine enters the next operating cycle; the main shaft 6 rotates for one circle, and the engine works for one cycle.

A lubricating oil groove 8 is formed in the lower part of the machine body 1, and a lubricating oil return port 16 is formed in the machine body; a cooling liquid channel is arranged in the machine body 1 for cooling the machine body 1; the machine body 1 is also internally provided with a lubricating oil channel for lubricating the inner wall of the machine body sleeve 15.

A cooling liquid channel is arranged in the rotary cylinder body 7 to cool the air cylinder 24; a main shaft mounting hole 31 is formed in the center of the rotary cylinder body 7, a key groove is formed in the main shaft mounting hole 31, a main shaft mounting pressing block 19 is mounted on the rotary cylinder body 7, and the main shaft mounting pressing block 19 is used for mounting the rotary cylinder body 7 on the main shaft 6; the rotary cylinder body 7 is provided with a sealing edge 20, and the sealing edge 20 is used for sealing the air inlet 13 and the exhaust port 14 when the engine does not need to intake air or exhaust air.

The circulation of the engine coolant is as follows: the cooling liquid flows in two parts, and one part of the cooling liquid flowing out of the cooling pump cools the machine body 1; the other part enters the coolant passage 26 in one end of the main shaft 6, flows into the rotary cylinder block 7 inside the engine through a coolant pipe, cools the cylinder 24, re-enters the coolant passage 26 in the other end of the main shaft 6 through a coolant pipe, flows out of the engine, flows through a radiator, and returns to a coolant tank to start the next cycle.

The inner wall of the cylinder sleeve 25, the inner gear 9 and the outer gear 4 can be lubricated by spray lubrication; the main shaft 6, the gear shaft 21, the connecting rod shaft 30, the connecting shaft 18 and the inner wall of the machine body sleeve 15 can be lubricated by pressure.

To sum up the above

The engine of the present invention has a compression ratio of 40; the thrust force arm to the power output shaft of the engine generated by fuel oil combustion is kept unchanged at the maximum value, and the rotating cylinder body of the engine is a large flywheel and has the functions of energy storage and energy release, so that the torque output by the engine is almost stable and unchanged and is the maximum value; the engine speed is 1000 revolutions per minute; the technology, process, material, equipment and the like related to the manufacturing of the engine can be provided by a related mature system of the existing piston engine, and the engine has the characteristics of good economy, good dynamic property, compact structure, high thermal efficiency, high power density, good environmental protection and the like.

Claims

1. The rotary cylinder engine is a conventional fuel engine and is characterized in that: the cycle operation period is divided into: 4 processes of air intake, compression, work doing and air exhaust; the device comprises a main shaft, a machine body, a rotary cylinder body, a piston rod, a gear connecting rod, an internal gear, an external gear and an end cover 9; the main shaft penetrates through the interior of the machine body, and a key groove, a lubricating oil channel and a cooling liquid channel are formed in the main shaft; the end cover, the shaft sleeve, the piston rod and the rotary cylinder body are arranged on the main shaft; the main shaft and the rotary cylinder body are assembled together through a key to form a whole and rotate together; the main shaft and the end cover are assembled together through a supporting bearing, and the main shaft can rotate freely; the end cover is fixed with the machine body through bolts to form a whole; the wall of the machine body is provided with an exhaust port, an air inlet and an oil injection port; a machine body sleeve is arranged in the machine body, and a left inner gear and a right inner gear are arranged in the machine body; one or more cylinders are arranged in the rotary cylinder body, and when a plurality of cylinders are arranged, the cylinders are symmetrically arranged along an arc; the cylinders are in arc-body cylindrical shapes, a cylinder sleeve is arranged in each cylinder, and one piston is arranged in each cylinder; the outer side surface of the top of each cylinder is provided with a cylinder hole, and a sealing ring is arranged on the periphery of each cylinder hole; the front part of the piston is provided with a piston ring which plays a sealing role, and the rear part of the piston is provided with a piston shaft; the cylinder, the top of the piston and the inner wall of the engine body sleeve form a closed combustion chamber; the rotary cylinder body is provided with a gear shaft, the gear shaft is provided with the external gear, the external gear is matched with the internal gear arranged on the machine body, the transmission ratio is 2 to 1, namely the rotary cylinder body rotates for one circle, and the external gear rotates for 2 circles; the outer gear is provided with a connecting rod shaft, the connecting rod shaft is provided with the gear connecting rod, the gear connecting rod can freely rotate, and the other end of the gear connecting rod is provided with a connecting shaft; one end of the piston rod is arranged on the main shaft and can freely rotate, the other end of the piston rod is arranged on the piston shaft of the piston and is fixed together and can not rotate, and the middle of the piston rod is arranged on the connecting shaft of the gear connecting rod and can freely rotate; the rotation of the outer gear drives the gear connecting rod to move, the movement of the gear connecting rod drives the piston rod to rotate, and the rotation of the piston rod drives the piston to reciprocate relative to the cylinder; when manufacturing a compression ignition combustion engine, the engine operates as follows: the cylinder admits air when the cylinder bore is rotated to the intake port; when the cylinder hole leaves the air inlet, the air inlet of the cylinder is finished, the piston moves relative to the cylinder, and the air in the cylinder is compressed; when the cylinder hole rotates to the oil injection port, the piston finishes compressing the gas in the cylinder, and the oil injection nozzle injects oil into the cylinder; when the cylinder hole leaves the oil injection port, the mixed gas in the cylinder burns to do work to push the piston to move relative to the cylinder, but the movement of the piston is limited by the inner gear, the outer gear cannot be reversed, the burnt gas in the cylinder does work to only push the rotary cylinder body to rotate, and the rotation of the rotary cylinder body drives the main shaft to rotate to realize the power output of the engine; when the cylinder hole is rotated to the exhaust port, the work of the combustion gas in the cylinder is finished, and the exhaust is carried out; when the cylinder bore leaves the exhaust port, the exhaust is finished and the engine enters the next operating cycle; the main shaft rotates for one circle, and the engine works for one cycle; when the ignition combustion engine is manufactured, fuel can be subjected to electronic injection mixing in the air inlet pipe and then enters the cylinder through the air inlet and the cylinder hole, the original oil injection port is changed into the ignition port, and other operation processes of the engine are the same as those of the compression ignition combustion engine.

2. A rotary cylinder engine as claimed in claim 1, wherein: a lubricating oil groove is formed in the lower part of the machine body, and a lubricating oil return port is formed in the machine body; a cooling liquid channel is arranged in the machine body to cool the machine body; and a lubricating oil channel is arranged in the machine body to lubricate the inner wall of the machine body sleeve.

3. A rotary cylinder engine as claimed in claim 1, wherein: a cooling liquid channel is arranged in the rotary cylinder body to cool the cylinder; a main shaft mounting hole is formed in the center of the rotary cylinder body, and a key groove is formed in the main shaft mounting hole; a main shaft installation pressing block is arranged on the rotary cylinder body, and the main shaft installation pressing block is used for installing the rotary cylinder body on the main shaft; the rotary cylinder body is provided with a sealing edge, and the sealing edge is used for sealing the air inlet and the exhaust port when the engine does not need to intake air or exhaust air.

4. A rotary cylinder engine as claimed in claim 1, wherein: the cooling liquid circulation is as follows: the cooling liquid flows in two parts, and one part of the cooling liquid flowing out of the cooling pump cools the machine body; the other part of the cooling liquid enters the cooling liquid channel in one end of the main shaft, flows into the rotary cylinder body in the engine through a cooling liquid pipe to cool the cylinder, then enters the cooling liquid channel in the other end of the main shaft through the cooling liquid pipe, flows out of the engine, flows through the radiator, and then flows back to the cooling liquid tank to start the next circulation.

5. A rotary cylinder engine as claimed in claim 1, wherein: the inner wall of the cylinder sleeve, the inner gear and the outer gear are lubricated by adopting spray lubrication; the main shaft, the gear shaft, the connecting rod shaft, the connecting shaft and the inner wall of the machine body sleeve can be lubricated by pressure.

6. A rotary cylinder engine as claimed in claim 1, wherein: the control of the oil injection and the ignition of the engine is carried out by the control of a computer; the engine is started by starting the electric motor, and the engine is stopped by stopping the supply of fuel or stopping ignition.