CN113047976A

CN113047976A - Novel engine

Info

Publication number: CN113047976A
Application number: CN202110411499.5A
Authority: CN
Inventors: 臧克; 李冬丽; 崔运磊; 游玉楼; 孙秀英; 秦秀华
Original assignee: Jiangsu Jiangdong Diesel Engine Manufacturing Co ltd
Current assignee: Jiangsu Jiangdong Diesel Engine Manufacturing Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-06-29

Abstract

The invention discloses a novel engine which comprises an engine body, a cylinder cover arranged on the top surface of the engine body, a high-pressure common rail device connected with one side of the cylinder cover, a crank connecting rod mechanism arranged in the engine body, a gas distribution mechanism connected with the other side of the cylinder cover and a turbocharging device arranged on an exhaust pipe of the cylinder cover, wherein balance shafts are arranged in the engine body and close to the two sides of the crank connecting rod mechanism. When the crank connecting rod mechanism works, the two groups of balance shafts arranged in the engine body can counteract the second-order reciprocating inertia force, so that the vibration to the engine body is reduced, the engine body is more stable, the working noise of the engine body is reduced, the air inflow of the engine body is improved through the turbocharging device, the air inlet temperature is reduced, the power of the engine is increased by 70% -90%, the high-pressure common rail device can spray high-pressure oil, the combustion of the high-pressure oil is ensured to be more sufficient, and the emission is reduced.

Description

Novel engine

Technical Field

The invention belongs to the technical field of engines, and particularly relates to a novel engine.

Background

The engine is a machine capable of converting other forms of energy into mechanical energy, and comprises an internal combustion engine, an external combustion engine, a jet engine, an electric motor and the like, wherein the internal combustion engine generally converts chemical energy into mechanical energy, wherein the internal combustion engine is widely used, the external combustion engine is a reciprocating piston engine, the type of engine is different from the external combustion engine in that fuel is combusted in the internal combustion engine, the internal combustion engine is very diverse, and common gasoline engines and common diesel engines are typical internal combustion engines;

when the reciprocating piston type engine works, the second-order reciprocating inertia force of the crank-link mechanism can enable the engine to generate larger vibration during working, so that the generated noise is larger, the requirement on the strength of engine accessories can be improved due to the larger vibration, the production cost of the engine is increased, and the service life is shortened.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a novel engine.

The technical scheme adopted by the invention is as follows:

the utility model provides a novel engine, includes the engine body, set up the cylinder head at engine body top surface, the high pressure common rail device of being connected with cylinder head one side, set up at the inside crank link mechanism of engine body, the valve timing mechanism of being connected with the cylinder head opposite side, set up the turbocharging device at the blast pipe top surface, the inside both sides position that is close to crank link mechanism of engine body is equipped with the balance shaft for offset the inside crank link mechanism second order inertia force that reciprocates of engine body.

Preferably, the engine body includes the main part, four combustion chambers that are the sharp setting are seted up to the top surface of main part, two drive holes have been seted up to the side of main part, the bottom position that the side of main part is close to two drive holes begins respectively to have two balancing holes for the balanced axle of cooperation.

Preferably, the cylinder head comprises a cover body and a fuel injector arranged on the top surface of the cover body.

Preferably, the high-pressure common rail device comprises a high-pressure oil pump, the high-pressure oil pump is connected with a fine filter through an oil pipe, the high-pressure oil pump high-pressure oil pipe is connected with a common rail pipe, the side surface of the common rail pipe is connected with four electric control oil injectors through high-pressure oil pipes, and the electric control oil injectors correspond to the oil injectors one by one.

Preferably, the crank mechanism comprises a drive crankshaft, the side of which engages a gear set.

Preferably, the balance shaft includes a shaft and a connecting gear provided at one end of the shaft, the connecting gear being engaged with the gear set.

Preferably, the valve actuating mechanism includes the camshaft, the side equidistance of camshaft is equipped with four groups of push rods, the one end swing joint that the camshaft was kept away from to the push rod has the rocking arm, the one end swing joint that the push rod was kept away from to the rocking arm has the valve, the valve is corresponding with the gas pocket position one-to-one of cylinder head top surface.

Preferably, the turbocharging device comprises a turbine volute, one side of the turbine volute is connected with a compressor volute, the other side of the turbine volute is connected with an exhaust pipe, and the side surface of the turbine volute is connected with a waste gas bypass valve through a pipeline.

Preferably, the included angles between the connecting lines between the two balance holes and the two driving holes and the vertical direction are fifteen degrees to twenty-five degrees and zero degrees respectively.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, when the crank connecting rod mechanism works, two groups of balance shafts arranged in the engine body can counteract the second-order reciprocating inertia force, so that the vibration to the engine body is reduced, the engine body is more stable, and the working noise of the engine body is reduced.

2. According to the invention, the air inflow of the engine body is improved through the turbocharging device, the air inlet temperature is reduced, the power of the engine is increased by 70-90%, the high-pressure common rail device can spray high-pressure oil, the high-pressure oil can be fully combusted, the emission is reduced, and the oil consumption is saved.

Drawings

FIG. 1 is a side view of the engine block of the present invention;

FIG. 2 is a schematic structural diagram of an engine block according to the present invention;

FIG. 3 is a schematic structural view of the cylinder head of the present invention;

FIG. 4 is a schematic structural diagram of the high pressure common rail apparatus of the present invention;

FIG. 5 is a schematic structural view of the crank mechanism of the present invention; '

FIG. 6 is a schematic structural diagram of a valve train according to the present invention;

FIG. 7 is a front view of the balance shaft of the present invention;

fig. 8 is a schematic structural view of the turbocharger device of the present invention.

The labels in the figure are: 1. an engine body; 11. a main body; 12. a combustion chamber; 13. a drive aperture; 14. a balance hole; 2. a cylinder head; 21. a cover body; 22. an oil injector; 3. a high pressure common rail device; 31. a high-pressure oil pump; 32. a common rail pipe; 33. a fine filter; 34. an electrically controlled fuel injector; 4. a crank link mechanism; 41. a drive crankshaft; 42. a gear set; 5. a valve train; 51. a camshaft; 52. a push rod; 53. a rocker arm; 54. an air valve; 6. a balance shaft; 61. a shaft lever; 62. a connecting gear; 7. a turbocharger device; 71. a turbine volute; 72. a compressor volute; 73. a wastegate valve; 74. an exhaust duct.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

referring to fig. 1-8, a novel engine comprises an engine body 1, a cylinder head 2 arranged on the top surface of the engine body 1, a high-pressure common rail device 3 connected with one side of the cylinder head 2, a crank link mechanism 4 arranged inside the engine body 1, a valve actuating mechanism 5 connected with the other side of the cylinder head 2, and a turbo charger 7 arranged on the exhaust side of the cylinder head 2, wherein balance shafts 6 are arranged at two sides of the inside of the engine body 1 close to the crank link mechanism 4 for offsetting the second-order reciprocating inertia force of the crank link mechanism 4 inside the engine body 1, the engine body 1 comprises a main body 11, four combustion chambers 12 arranged in a straight line are arranged on the top surface of the main body 11, two driving holes 13 are arranged on the side surface of the main body 11, two balance holes 14 are respectively arranged at the bottom positions of the side surface of the main body 11 close to the two driving, the included angles between the connecting lines between the two balance holes 14 and the two driving holes 13 and the vertical direction are fifteen degrees to twenty-five degrees and zero degrees respectively.

By adopting the technical scheme:

two sets of balance shafts 6 arranged inside the engine body 1 can offset the second-order reciprocating inertia force when the crank link mechanism 4 works, so that the vibration to the engine body 1 is reduced, the engine body 1 is more stable, and the working noise of the engine body 1 is reduced.

Example 2:

the cylinder cover 2 comprises a cover body 21 and an oil injector 22 arranged on the top surface of the cover body 21, the high-pressure common rail device 3 comprises a high-pressure oil pump 31, the high-pressure oil pump 31 is connected with a fine filter 33 through an oil pipe, the fine filter 33 is connected with a common rail pipe 32 through an oil pipe, the side surface of the common rail pipe 32 is connected with four electric control oil injectors 34 through oil pipes, the electric control oil injectors 34 correspond to the oil injectors 22 one by one, the crank link mechanism 4 comprises a driving crankshaft 41, the side surface of the driving crankshaft 41 is meshed with a gear set 42, the balance shaft 6 comprises a shaft rod 61 and a connecting gear 62 arranged on the shaft rod 61 at one end, the connecting gear 62 is meshed with the gear set 42, the air distribution mechanism 5 comprises a cam shaft 51, four groups of push rods 52 are arranged on the side surface of the cam shaft 51 at equal intervals, one end, far away, the turbocharging device 7 comprises a turbine volute 71, one side of the turbine volute 71 is connected with a compressor volute 72, the other side of the turbine volute 71 is connected with an exhaust pipe 74, and the side surface of the exhaust pipe 74 is connected with a waste gas bypass valve 73 through a pipeline.

By adopting the technical scheme:

the air input of the engine body 1 is improved through the turbocharging device 7, the air inlet temperature is reduced, the power of the engine is increased by 70-90%, the high-pressure common rail device 3 can spray high-pressure oil, the high-pressure oil can be fully combusted, the emission is reduced, and the oil consumption is saved.

Example 3:

the connecting line between two balancing holes 14 and two drive holes 13 and the contained angle of vertical direction are fifteen degrees to twenty-five degrees and zero degree respectively, the connecting line between balancing holes 14 and vertical direction's contained angle is according to the gravity of crank link mechanism 4 and balance shaft 6, the focus of engine body 1, angle regulation, the gravity of balance shaft 6 is big more, the connecting line between balancing holes 14 and vertical direction's contained angle needs to be little less, crank link mechanism 4's gravity is big more, the connecting line between balancing holes 14 and vertical direction's contained angle needs to be big more.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a novel engine, includes engine body (1), set up cylinder head (2) at engine body (1) top surface, high pressure common rail device (3) of being connected with cylinder head (2) one side, set up at inside crank link mechanism (4) of engine body (1), valve timing mechanism (5) of being connected with cylinder head (2) opposite side, set up turbo charger (7) in cylinder head (2) exhaust port side, its characterized in that: and balance shafts (6) are arranged at the positions, close to the two sides of the crank connecting rod mechanism (4), in the engine body (1) and used for offsetting the second-order reciprocating inertia force of the crank connecting rod mechanism (4) of the engine.

2. A novel engine as claimed in claim 1, wherein: the engine body (1) comprises a main body (11), four combustion chambers (12) which are linearly arranged are arranged on the top surface of the main body (11), two driving holes (13) are arranged on the side surface of the main body (11), and two balance holes (14) are respectively arranged at the positions, close to the bottom of the two driving holes (13), of the side surface of the main body (11) and used for being matched with a balance shaft (6).

3. A novel engine as claimed in claim 1, wherein: the cylinder head (2) comprises a cover body (21) and an oil injector (22) arranged on the top surface of the cover body (21).

4. A novel engine as claimed in claim 3, wherein: the high-pressure common rail device (3) comprises a high-pressure oil pump (31), the front end of the high-pressure oil pump (31) is connected with a fine filter (33) through an oil pipe, the rear end of the high-pressure oil pump is connected with a common rail pipe (32) through an oil pipe, the side face of the common rail pipe (32) is connected with four electric control oil injectors (34) through oil pipes, and the electric control oil injectors (34) correspond to the oil injectors (22) one by one.

5. A novel engine as claimed in claim 1, wherein: the crank connecting rod mechanism (4) comprises a driving crankshaft (41), and a gear set (42) is meshed on the side surface of the driving crankshaft (41).

6. A novel engine as claimed in claim 5, wherein: the balance shaft (6) comprises a shaft rod (61) and a connecting gear (62) arranged at one end of the shaft rod (61), and the connecting gear (62) is meshed with the gear set (42).

7. A novel engine as claimed in claim 1, wherein: the valve actuating mechanism (5) comprises a cam shaft (51), four groups of push rods (52) are arranged on the side face of the cam shaft (51) at equal intervals, one ends, far away from the cam shaft (51), of the push rods (52) are movably connected with rocker arms (53), one ends, far away from the push rods (52), of the rocker arms (53) are movably connected with valves (54), and the valves (54) correspond to air hole positions on the top face of the cylinder cover (2) in a one-to-one mode.

8. A novel engine as claimed in claim 1, wherein: the turbocharging device (7) comprises a turbine volute (71), one side of the turbine volute (71) is connected with a compressor volute (72), the other side of the turbine volute (71) is connected with an exhaust pipeline (74), and the side surface of the exhaust pipeline (74) is connected with a waste gas bypass valve (73) through a pipeline.

9. A novel engine as claimed in claim 2, wherein: the included angles between the connecting lines between the two balance holes (14) and the two driving holes (13) and the vertical direction are fifteen degrees to twenty-five degrees and zero degrees respectively.