CN109505702B

CN109505702B - Double-power engine and working mode thereof

Info

Publication number: CN109505702B
Application number: CN201811353621.2A
Authority: CN
Inventors: 谭崴
Original assignee: Huangshan Male Locomotive Parts Co ltd
Current assignee: HUANGSHAN MALE LOCOMOTIVE PARTS Co.,Ltd.
Priority date: 2018-11-14
Filing date: 2018-11-14
Publication date: 2020-09-15
Anticipated expiration: 2038-11-14
Also published as: CN109505702A

Abstract

The invention discloses a double-power engine and a working mode thereof, and the double-power engine structurally comprises a generator magnet, a heat radiation fin, an engine output bearing, an engine shell, an engine fan, an air inlet, a timing device, an exhaust port, a high-voltage ignition wire, an exhaust cam, an air inlet cam, a cam rotating shaft, an exhaust manifold, an air cylinder, a first telescopic device, an engine crankshaft, a transmission mechanism, an electric motor, a second telescopic device, an air inlet manifold, a generator bearing and a generator coil; the first and second telescopic devices are arranged, so that the power loss during braking is reduced, the power recovery during braking is ensured to the greatest extent, the cruising ability of the storage battery is improved, the use of non-renewable energy resources is reduced, and the environmental protection is enhanced.

Description

Double-power engine and working mode thereof

Technical Field

The invention belongs to the technical field of automobiles, and particularly relates to a dual-power engine and a working mode thereof.

Background

An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines (gasoline engines, etc.), external combustion engines (stirling engines, steam engines, etc.), electric motors, etc. Such as internal combustion engines, typically convert chemical energy into mechanical energy. Automotive engines are primarily in the form of internal combustion engines with cylinders and pistons as the switching mechanism. The fuel can be divided into a gasoline engine or a diesel engine according to different fuel and ignition forms, or an engine taking hydrogen, natural gas and petroleum gas as fuel has a combustion form which is slightly different from that of the gasoline engine. The engine can be divided into two-stroke and four-stroke engines according to the working cycle and piston stroke characteristics. The engine is applicable to both the power generation device and the whole machine including the power device. Engines were first introduced in the united kingdom, and the engine concept is also derived from english, which is meant in its meaning as "power generating machinery".

However, with the development of the times, the defects of the traditional single power engine are increasingly obvious, the traditional engine only can use hydrogen, natural gas and petroleum gas as fuels, and with the increase of global automobiles, the traditional engine increases the resource consumption on the earth and is not beneficial to the long-term development of human beings; meanwhile, the exhaust gas discharged by the traditional engine contains a large amount of greenhouse gases, the use of a large amount of traditional engines can increase the damage to the environment and enhance the greenhouse effect, and in order to protect the environment and the resources of the earth, the traditional single-power engine gradually does not meet the requirements of people any more, so that the appearance of a novel engine of a new energy automobile is urgent.

Disclosure of Invention

The invention aims to provide a double-power engine and a working mode thereof, which aim to solve the following technical problems in the prior art: (1) the traditional engine increases the resource consumption of the earth; (2) conventional engines increase environmental damage and enhance the greenhouse effect.

The purpose of the invention can be realized by the following technical scheme:

a double-power engine comprises a generator magnet, a heat dissipation fin, an engine output bearing, an engine shell, an engine fan, an air inlet, a timing device, an exhaust port, a high-pressure ignition wire, an exhaust cam, an air inlet cam, a cam rotating shaft, an exhaust manifold, an air cylinder, a first expansion device, an engine crankshaft, a transmission mechanism, an electric motor, a second expansion device, an air inlet manifold, a generator bearing and a generator coil, wherein the air cylinder is arranged at the upper end of the engine shell, the engine crankshaft is arranged at the upper half part of the inner side of the engine shell, two ends of the engine crankshaft penetrate through the wall of the engine shell, the engine fan and the timing device are arranged at one end of the engine crankshaft, the transmission mechanism is arranged at the other end of the engine crankshaft, the air cylinder is connected onto the engine crankshaft, the transmission, the generator coil is installed on a generator bearing and a generator magnet is wrapped on the outer side of the coil, the generator magnet is arranged on the lower half portion of the inner side of the engine shell and located on one side of a motor, the engine shell is wrapped with heat radiating fins, the engine output bearing is connected with one end of the motor output bearing, the other end of the motor output bearing is connected with a transmission mechanism, an exhaust cam and an air inlet cam are arranged at the upper end of a cylinder, an air inlet and an air outlet are arranged on the side edge of the cylinder, the air inlet is connected with the air inlet manifold, the air outlet is connected with the exhaust manifold, the upper end of the air inlet corresponds to the air inlet cam, the upper end of the air outlet corresponds to the exhaust cam, the air inlet cam and the exhaust cam are connected in series through a cam rotating shaft, the high-voltage ignition wire is installed at the upper end of the engine shell and connected with the cylinder.

The timing device comprises a tensioning belt pulley, a tensioning belt pulley fastening device, a timing belt, a first timing belt pulley shaft, a first timing belt pulley, a second timing gear, a first timing gear, a second timing belt pulley shaft, a second timing belt pulley and a tensioning belt pulley shaft, wherein the tensioning belt pulley is installed on the tensioning belt pulley fastening device through the tensioning belt pulley shaft, the tensioning belt pulley fastening device is installed on an engine shell, the first timing belt pulley is installed on the first timing belt pulley shaft, the second timing belt pulley shaft is installed on the engine shell, a second timing belt pulley and a second timing gear are sequentially installed at one end of the second timing belt pulley shaft, the first timing gear is installed at one end of an engine crankshaft, the first timing gear is meshed with the second timing gear, and the first timing belt pulley, the second timing gear, the first timing pulley, the second timing pulley and the tensioning belt pulley shaft are, The second timing pulley and the tensioner pulley are connected by a timing belt.

The air cylinder comprises an air cylinder telescopic rocker, a piston pad, an air valve plug, an air hole, a push rod, a spark plug port, an air cylinder shell and a piston, the piston pad is arranged on the upper end face of the piston, the piston is arranged in the air cylinder shell, the lower end of the piston is connected with the air cylinder telescopic rocker, the lower end of the air cylinder telescopic rocker is installed on an engine crankshaft, the push rod is installed on the air valve plug, the air valve plug is arranged at the upper end of the inner side of the air cylinder shell, one end of the push rod is connected with the other end of the air valve plug and penetrates through the upper end face of the air cylinder shell and is in contact with an exhaust cam and an intake cam, a gap section is arranged between the air valve plug and the upper end.

And an extension spring is arranged between the valve plug and the upper end surface of the inner side of the cylinder shell, one end of the extension spring is connected with the valve plug, and the other end of the extension spring is connected with the upper end surface of the inner side of the cylinder shell.

The first telescopic device comprises a hydraulic telescopic mechanism, a hydraulic mechanism fixing seat, an adapter and a telescopic bearing, wherein the hydraulic mechanism fixing seat and the adapter are both arranged on the shell of the engine, a hydraulic cylinder of the hydraulic telescopic mechanism is arranged on the hydraulic mechanism fixing seat through a bearing, a hydraulic rod of the hydraulic telescopic mechanism is connected with the telescopic bearing, and the telescopic bearing is arranged on the transmission mechanism.

The adapter is composed of an inner plate, a heat-resistant electric wire and an adapter shell, is electrically connected with the external switch, and is used for transmitting an electric signal of the external switch to the hydraulic telescopic mechanism to enable the hydraulic telescopic mechanism to stretch, and the adapter shell and the inner parts are made of materials with high temperature resistance and good heat insulation performance.

The structure of the second telescopic device is completely the same as that of the first telescopic device, and the adapter of the second telescopic device is electrically connected with the external switch and the brake system.

The transmission mechanism comprises a first transmission belt pulley, a first transmission shaft, a second transmission belt pulley, a second transmission shaft, a transmission gear shaft, a second transmission gear, a third transmission shaft, a third transmission belt pulley, a fourth transmission shaft, a fourth transmission belt pulley, a second transmission belt, a third transmission gear, a first transmission gear and a first transmission belt, wherein the first transmission shaft is connected with an engine crankshaft, the first transmission belt pulley is arranged on the first transmission shaft, the second transmission belt pulley and the first transmission gear are sequentially arranged on the second transmission shaft, one end of the second transmission shaft is arranged on an engine shell, the other end of the second transmission shaft is arranged on a telescopic bearing of a first telescopic device, the second transmission gear is arranged on the engine shell through the transmission gear shaft, and the third transmission shaft is sequentially provided with the third transmission belt pulley and the third transmission gear, one end of the third transmission shaft is installed on the shell of the engine, the other end of the third transmission shaft is installed on a telescopic bearing of the second telescopic device, the fourth transmission shaft is connected with a bearing of the generator, the fourth transmission belt pulley is installed on the fourth transmission shaft, the first transmission belt pulley is connected with the second transmission belt pulley through the first transmission belt, the third transmission belt pulley is connected with the fourth transmission belt pulley through the second transmission belt, the first transmission gear is meshed with the second transmission gear, and the second transmission gear is meshed with the third transmission gear.

The motor comprises a motor output shaft, a magnet and a winding coil, wherein the motor output shaft is fixed on a shell of the engine, two ends of the motor output shaft penetrate through the shell, the motor output shaft is used as an output shaft and connected with an output bearing of the engine, a second transmission gear is installed at the other end of the motor output shaft, the winding coil is arranged on the motor output shaft, and the magnet is arranged on the outer side of the winding coil.

The dual-power engine has two power working modes:

when the engine is in an environment with sufficient fuel, fuel and air enter the cylinder from the intake manifold through the intake port, the air-fuel mixture in the cylinder is ignited by the spark plug of the high-voltage ignition wire, thereby pushing the piston in the cylinder to move downwards, driving the rocker to move downwards and pushing the crankshaft of the engine to rotate, thereby driving the first transmission shaft to move, driving the second transmission belt pulley and the first transmission gear to rotate through the first transmission belt, thereby driving the second transmission gear, driving the output shaft of the motor, the third transmission gear and the third transmission belt pulley through the second transmission gear, the motor output shaft drives the engine output bearing to output power to the outside, the third transmission belt pulley drives the fourth transmission belt pulley through the second transmission belt, so that the fourth transmission shaft is driven, and the generator bearing is driven to enable the generator to generate power;

when the engine is in an environment with insufficient or no fuel oil, the switch is started, the adapter transmits an electric signal to the second telescopic device and the first telescopic device, so that the second telescopic device and the hydraulic telescopic mechanism of the first telescopic device contract, the first transmission gear and the third transmission gear are separated from the second transmission gear, the motor starts to rotate and outputs power to the outside, when the engine needs to decelerate in the environment, the brake is stepped, the brake system sends the electric signal to the adapter, the adapter transmits the electric signal to the second telescopic device, so that the hydraulic telescopic mechanism of the second telescopic device extends, the third transmission gear is meshed with the second transmission gear, and when the brake is released, the hydraulic telescopic mechanism of the second telescopic device contracts again, so that the third transmission gear is separated from the second transmission gear.

The invention has the beneficial effects that: the invention adopts pneumatic and electric double-power driving, and the driving raw materials of the invention are pure and renewable electric power and the driving raw materials of natural gas and petroleum gas which are used alternately instead of single non-renewable energy sources, so that the resource consumption of the invention is far lower than that of the traditional engine, and the invention contains electric power driving, thereby reducing the exhaust emission of the engine, and reducing the damage to the environment and the greenhouse effect. The first telescopic device and the second telescopic device are added, so that an engine crankshaft can be connected with an engine output bearing and a generator bearing in an environment with sufficient fuel oil, and the engine crankshaft can generate electricity and transmit electric energy to a storage battery under the condition of outputting power outwards; in the environment of insufficient fuel, the engine output bearing is separated from the engine crankshaft and the generator bearing, so that the motor rotates independently to output power to the outside, the energy waste caused by insufficient power output due to the fact that the motor drives the engine crankshaft and the generator bearing is avoided, in the environment, when braking is needed, the second telescopic device can push the generator shaft to enable the generator shaft to be connected with the engine output bearing, the rotating speed of the motor is reduced by increasing loads, the braking effect is achieved, meanwhile, the power loss in braking is reduced, the power recovery in braking is carried out to the greatest extent, the cruising ability of a storage battery is increased, the using amount of non-renewable energy is reduced, and the environmental protection degree of the electric vehicle is improved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of a hybrid engine according to the present invention;

FIG. 2 is a schematic diagram of a timing device of a hybrid engine according to the present invention;

FIG. 3 is a schematic diagram of a cylinder structure of a hybrid engine according to the present invention;

FIG. 4 is a schematic structural view of a first expansion device of a hybrid engine according to the present invention;

FIG. 5 is a schematic diagram of a transmission mechanism of a hybrid engine according to the present invention;

FIG. 6 is a schematic diagram of an electric motor structure of a hybrid engine according to the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.

As shown in fig. 1-6, a dual-power engine comprises a generator magnet 1, a heat dissipation fin 2, an engine output bearing 3, an engine housing 4, an engine fan 5, an air inlet 6, a timing device 7, an air outlet 8, a high-voltage ignition wire 9, an exhaust cam 10, an air inlet cam 11, a cam rotating shaft 12, an exhaust manifold 13, a cylinder 14, a first expansion device 15, an engine crankshaft 16, a transmission mechanism 17, a motor 18, a second expansion device 19, an air inlet manifold 20, a generator bearing 21 and a generator coil 22, wherein the cylinder 14 is mounted at the upper end of the engine housing 4, the engine crankshaft 16 is mounted at the upper half part of the inner side of the engine housing 4, two ends of the engine crankshaft 16 penetrate through the wall of the engine housing 4, the engine fan 5 and the timing device 7 are mounted at one end of the engine crankshaft 16, the transmission mechanism, the transmission mechanism 17 is connected with a first expansion device 15 and a second expansion device 19, the motor 18 is arranged at the lower half part of the inner side of the engine shell 4, the generator coil 22 is arranged at the generator bearing 21, the outer side of the coil is wrapped with the generator magnet 1, the generator magnet 1 is arranged at the lower half part of the inner side of the engine shell 4 and is positioned at one side of the motor 18, the engine shell 4 is wrapped with the heat dissipation fins 2, the engine output bearing 3 is connected with one end of the output bearing of the motor 18, the other end of the output bearing of the motor 18 is connected with the transmission mechanism 17, the upper end of the cylinder 14 is provided with an exhaust cam 10 and an intake cam 11, the side edge of the cylinder 14 is provided with an air inlet 6 and an exhaust port 8, the air inlet 6 is connected with an intake manifold 20, the exhaust port 8 is connected with an exhaust manifold 13, the cam rotating shaft 12 is installed on the engine shell 4 and one end penetrates through the shell wall, the timing device 7 is installed at one end of the cam rotating shaft 12 penetrating through the shell wall, and the high-voltage ignition wire 9 is installed at the upper end of the engine shell 4 and connected with the cylinder 14.

As shown in fig. 2, the timing device 7 includes a tension pulley 71, a tension pulley fastening device 72, a timing belt 73, a first timing pulley shaft 74, a first timing pulley 75, a second timing gear 76, a first timing gear 77, a second timing pulley shaft 78, a second timing pulley 79, and a tension pulley shaft 710, the tension pulley 71 is mounted on the tension pulley fastening device 72 through the tension pulley shaft 710, the tension pulley fastening device 72 is mounted on the engine housing 4, the first timing pulley 75 is mounted on the first timing pulley shaft 74, the second timing pulley shaft 78 is mounted on the engine housing 4, the second timing pulley shaft 78 is mounted on one end thereof with the second timing pulley 79 and the second timing gear 76 in turn, the first timing gear 77 is mounted on one end of the engine crankshaft 16, the first timing gear 77 is engaged with the second timing gear 76, the first timing pulley 75, the second timing pulley 79, and the tension pulley 71 are connected by a timing belt 73.

As shown in fig. 3, the cylinder 14 includes a cylinder telescopic rocker 141, a piston pad 142, a valve plug 143, an air hole 144, a push rod 145, a spark plug port 146, a cylinder housing 147 and a piston 148, the piston pad 142 is disposed on an upper end surface of the piston 148, the piston 148 is disposed in the cylinder housing 147, a lower end of the piston 148 is connected to the cylinder telescopic rocker 141, a lower end of the cylinder telescopic rocker 141 is mounted on the engine crankshaft 16, the push rod 145 is mounted on the valve plug 143, the valve plug 143 is disposed on an inner upper end of the cylinder housing 147, one end of the push rod 145 is connected to the valve plug 143, the other end of the push rod penetrates through the upper end surface of the cylinder housing 147 and contacts with the exhaust cam 10 and the intake cam 11, a gap section is disposed between the valve plug 143 and the inner upper end surface of the cylinder housing 147, the air hole 144 is.

An extension spring is arranged between the valve plug 143 and the upper end surface of the inner side of the cylinder shell 147, one end of the extension spring is connected with the valve plug 143, and the other end of the extension spring is connected with the upper end surface of the inner side of the cylinder shell 147.

As shown in fig. 4, the first telescopic device 15 includes a hydraulic telescopic mechanism 151, a hydraulic mechanism fixing seat 152, an adapter 153, and a telescopic bearing 154, wherein the hydraulic mechanism fixing seat 152 and the adapter 153 are both mounted on the engine housing 4, a hydraulic cylinder of the hydraulic telescopic mechanism 151 is mounted on the hydraulic mechanism fixing seat 152 through a bearing, a hydraulic rod of the hydraulic telescopic mechanism is connected with the telescopic bearing 154, and the telescopic bearing 154 is mounted on the transmission mechanism 17.

The adaptor 153 is composed of an inner plate, a heat-resistant electric wire and an adaptor housing, and is electrically connected to the external switch, and functions to transmit an electric signal of the external switch to the hydraulic telescoping mechanism 151, so that the hydraulic telescoping mechanism 151 is telescoped, and the adaptor 153 housing and the inner parts are made of a material having high temperature resistance and good heat-insulating property.

The structure of the second telescopic device 19 is identical to that of the first telescopic device 15, and the adapter of the second telescopic device 19 is electrically connected with the external switch and the brake system.

As shown in fig. 5, the transmission mechanism 17 includes a first transmission pulley 171, a first transmission shaft 172, a second transmission pulley 173, a second transmission shaft 174, a transmission gear shaft 175, a second transmission gear 176, a third transmission shaft 177, a third transmission pulley 178, a fourth transmission shaft 179, a fourth transmission pulley 1710, a second transmission belt 1711, a third transmission gear 1712, a first transmission gear 1713 and a first transmission belt 1714, the first transmission shaft 172 is connected with the engine crankshaft 16, the first transmission pulley 171 is mounted on the first transmission shaft 172, the second transmission pulley 173 and the first transmission gear 1713 are sequentially mounted on the second transmission shaft 174, one end of the second transmission shaft 174 is mounted on the engine housing 4, the other end is mounted on the telescopic bearing 154 of the first telescopic device 15, the second transmission gear 176 is mounted on the engine housing 4 through the transmission gear shaft 175, the third transmission pulley 178 and the third transmission gear 1712 are sequentially mounted on the third transmission shaft 177, one end of a third transmission shaft 177 is mounted on the engine housing 4, the other end of the third transmission shaft 177 is mounted on a telescopic bearing of the second telescopic device 19, the fourth transmission shaft 179 is connected with the generator bearing 21, a fourth transmission belt pulley 1710 is mounted on the fourth transmission shaft 179, the first transmission belt pulley 171 is connected with the second transmission belt pulley 173 through a first transmission belt 1714, the third transmission belt pulley 178 is connected with the fourth transmission belt pulley 1710 through a second transmission belt 1711, the first transmission gear 1713 is meshed with the second transmission gear 176, and the second transmission gear 176 is meshed with the third transmission gear 1712.

As shown in fig. 6, the motor 18 includes a motor output shaft 181, a magnet 182, and a winding coil 184, the motor output shaft 181 is fixed to the engine housing 4, both ends of the motor output shaft 181 penetrate the housing, the motor output shaft 181 is connected to the engine output bearing 3 as an output shaft, the second transmission gear 176 is mounted at the other end of the motor output shaft, the winding coil 184 is disposed on the motor output shaft 181, and the magnet 182 is disposed outside the winding coil 184.

The double-power engine has two power working modes:

when the engine is in an environment with sufficient fuel, fuel and air enter the cylinder 14 from the intake manifold 20 through the intake port 6, the air-fuel mixture in the cylinder is ignited by the spark plug of the high-voltage ignition wire 9, so that the piston 148 in the cylinder 14 is pushed to move downwards, the rocker 141 is driven to move downwards, the engine crankshaft 16 is pushed to rotate, the first transmission shaft 172 is driven to move, the second transmission belt 173 and the first transmission gear 1713 are driven to rotate through the first transmission belt 1714, the second transmission gear 176 is driven, the motor output shaft 181, the third transmission gear 1712 and the third transmission belt pulley 178 are driven through the second transmission gear 176, the engine output bearing 3 is driven through the motor output shaft 181 to output power to the outside, the third transmission belt pulley 178 drives the fourth transmission belt 1710 through the second transmission belt 1711, so that the fourth transmission shaft 179 is driven, thereby driving the generator bearing 21 to enable the generator to generate electricity;

when the engine is in an environment with insufficient or no fuel, the switch is started, the adapter transmits an electric signal to the second telescopic device 19 and the first telescopic device 15, thereby retracting the second retractor device 19 and the first retractor device 15, thereby disengaging the first drive gear 1713 and the third drive gear 1712 from the second drive gear 176, at the same time, the motor 18 starts to rotate and outputs power to the outside, and when deceleration is required in this environment, the brake is stepped on, the brake system sends an electric signal to the adapter, the adapter transmits the electric signal to the second telescopic device 19 to extend the hydraulic telescopic mechanism of the second telescopic device 19, thereby engaging the third transfer gear 1712 with the second transfer gear 176 and, when the brake is released, the hydraulic retracting mechanism of the second retracting device 19 retracts again, disengaging the third drive gear 1712 from the second drive gear 176.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A dual-power engine comprises a generator magnet (1), heat dissipation fins (2), an engine output bearing (3), an engine shell (4), an engine fan (5), an air inlet (6), a timing device (7), an air outlet (8), a high-pressure ignition wire (9), an exhaust cam (10), an air inlet cam (11), a cam rotating shaft (12), an exhaust manifold (13), an air cylinder (14), a first telescopic device (15), an engine crankshaft (16), a transmission mechanism (17), an electric motor (18), a second telescopic device (19), an air inlet manifold (20), a generator bearing (21) and a generator coil (22), and is characterized in that the air cylinder (14) is mounted at the upper end of the engine shell (4), the engine crankshaft (16) is mounted at the upper half part of the inner side of the engine shell (4) and two ends of the engine crankshaft penetrate through the shell wall of the engine shell (4), engine fan (5) and timing device (7) are installed to engine crankshaft (16) one end, and drive mechanism (17) are installed to the other end, be connected with cylinder (14) on engine crankshaft (16), drive mechanism (17) are connected with first telescoping device (15) and second telescoping device (19), motor (18) are installed in engine housing (4) inboard the latter half, generator coil (22) are installed in generator bearing (21) and the coil outside parcel has generator magnet (1), generator magnet (1) are located engine housing (4) inboard the latter half and are located motor (18) one side, engine housing (4) parcel has heat radiation fins (2), engine output bearing (3) are connected with motor (18) output bearing one end, drive mechanism (17) is connected to motor (18) output bearing other end, an exhaust cam (10) and an intake cam (11) are arranged at the upper end of the cylinder (14), an air inlet (6) and an exhaust port (8) are arranged on the side edge of the cylinder (14), the air inlet (6) is connected with an intake manifold (20), the exhaust port (8) is connected with an exhaust manifold (13), the upper end of the air inlet (6) corresponds to the intake cam (11), the upper end of the exhaust port (8) corresponds to the exhaust cam (10), the intake cam (11) and the exhaust cam (10) are connected in series through a cam rotating shaft (12), the cam rotating shaft (12) is installed on the engine shell (4) and one end of the cam rotating shaft penetrates through the shell wall, a timing device (7) is installed at one end of the cam rotating shaft (12) penetrating through the shell wall, and the high-pressure ignition wire (9) is installed at the upper;

the transmission mechanism (17) comprises a first transmission belt pulley (171), a first transmission shaft (172), a second transmission belt pulley (173), a second transmission shaft (174), a transmission gear shaft (175), a second transmission gear (176), a third transmission shaft (177), a third transmission belt pulley (178), a fourth transmission shaft (179), a fourth transmission belt pulley (1710), a second transmission belt (1711), a third transmission gear (1712), a first transmission gear (1713) and a first transmission belt (1714), the first transmission shaft (172) is connected with an engine crankshaft (16), the first transmission belt pulley (171) is installed on the first transmission shaft (172), the second transmission belt pulley (173) and the first transmission gear (1713) are sequentially installed on the second transmission shaft (174), one end of the second transmission shaft (174) is installed on an engine shell (4), the other end is installed on telescopic bearing (154) of first telescoping device (15), second drive gear (176) is installed on engine housing (4) through drive gear axle (175), install third drive pulley (178) and third drive gear (1712) on third transmission shaft (177) in proper order, third transmission shaft (177) one end is installed on engine housing (4), and the other end is installed on the telescopic bearing of second telescoping device (19), fourth transmission shaft (179) are connected with generator bearing (21), fourth drive pulley (1710) are installed on fourth transmission shaft (179), first drive pulley (171) are connected through first drive belt (1714) with second drive pulley (173), third drive pulley (178) are connected through second drive belt (1711) with fourth drive pulley (1710), the first transmission gear (1713) is meshed with a second transmission gear (176), and the second transmission gear (176) is meshed with a third transmission gear (1712).

2. A hybrid engine according to claim 1, characterized in that the timing device (7) comprises a tensioner pulley (71), a tensioner pulley fastening device (72), a timing belt (73), a first timing pulley shaft (74), a first timing pulley (75), a second timing gear (76), a first timing gear (77), a second timing pulley shaft (78), a second timing pulley (79) and a tensioner pulley shaft (710), the tensioner pulley (71) is mounted on the tensioner pulley fastening device (72) through the tensioner pulley shaft (710), the tensioner pulley fastening device (72) is mounted on the engine housing (4), the first timing pulley (75) is mounted on the first timing pulley shaft (74), the second timing pulley shaft (78) is mounted on the engine housing (4), a second timing belt pulley (79) and a second timing gear (76) are sequentially mounted at one end of the second timing belt pulley shaft (78), the first timing gear (77) is mounted at one end of the engine crankshaft (16), the first timing gear (77) is meshed with the second timing gear (76), and the first timing belt pulley (75), the second timing belt pulley (79) and the tensioning belt pulley (71) are connected through a timing belt (73).

3. The hybrid engine as recited in claim 1, wherein the cylinder (14) comprises a cylinder telescopic rocker (141), a piston pad (142), a valve plug (143), an air hole (144), a push rod (145), a spark plug port (146), a cylinder housing (147) and a piston (148), the piston pad (142) is arranged on the upper end surface of the piston (148), the piston (148) is arranged in the cylinder housing (147), the lower end of the piston (148) is connected with the cylinder telescopic rocker (141), the lower end of the cylinder telescopic rocker (141) is arranged on an engine crankshaft (16), the push rod (145) is arranged on the valve plug (143), the valve plug (143) is arranged on the upper end of the inner side of the cylinder housing (147), one end of the push rod (145) is connected with the other end of the valve plug (143) and penetrates through the upper end surface of the cylinder housing (147) and is connected with the exhaust cam (10), The air inlet cam (11) is contacted, a gap section is arranged between the valve plug (143) and the upper end surface of the inner side of the cylinder shell (147), an air hole (144) is formed in the wall of the cylinder shell (147) of the gap section, and a spark plug opening (146) is formed in the wall of the cylinder shell (147) close to the lower end part of the valve plug (143);

an extension spring is arranged between the valve plug (143) and the upper end face of the inner side of the cylinder shell (147), one end of the extension spring is connected with the valve plug (143), and the other end of the extension spring is connected with the upper end face of the inner side of the cylinder shell (147).

4. The hybrid engine of claim 1, wherein the first telescopic device (15) comprises a hydraulic telescopic mechanism (151), a hydraulic mechanism holder (152), an adapter (153), and a telescopic bearing (154), the hydraulic mechanism holder (152) and the adapter (153) are both mounted on the engine housing (4), the hydraulic cylinder of the hydraulic telescopic mechanism (151) is mounted on the hydraulic mechanism holder (152) through a bearing, the hydraulic rod of the hydraulic telescopic mechanism is connected with the telescopic bearing (154), and the telescopic bearing (154) is mounted on the transmission mechanism (17);

the adapter (153) comprises an inner plate, a heat-resistant electric wire and an adapter shell, is electrically connected with an external switch, and is used for transmitting an electric signal of the external switch to the hydraulic telescopic mechanism (151) to enable the hydraulic telescopic mechanism (151) to stretch, and the adapter (153) shell and inner parts are made of materials with high temperature resistance and good heat insulation performance.

5. The hybrid engine of claim 1, wherein the second expansion device (19) is identical in structure to the first expansion device (15), and the adapter of the second expansion device (19) is electrically connected to the brake system as well as to an external switch.

6. The hybrid engine of claim 1, wherein the electric motor (18) comprises an electric motor output shaft (181), a magnet (182), and a winding coil (184), the electric motor output shaft (181) is fixed on the engine housing (4) and both ends of the electric motor output shaft penetrate through the housing, the electric motor output shaft (181) is connected with the engine output bearing (3) as an output shaft, the second transmission gear (176) is installed at the other end of the electric motor output shaft, the winding coil (184) is arranged on the electric motor output shaft (181), and the magnet (182) is arranged outside the winding coil (184).

7. A method of operating the hybrid engine according to claim 1, wherein the hybrid engine has two power operating methods:

when the engine is in an environment with sufficient fuel, fuel and air enter the cylinder (14) from the air inlet (6) from the air inlet manifold (20), a spark plug of a high-pressure ignition wire (9) ignites a gas-oil mixture in the cylinder to push a piston (148) in the cylinder (14) to move downwards so as to drive a rocker (141) to move downwards and drive an engine crankshaft (16) to rotate so as to drive a first transmission shaft (172) to move, a second transmission belt pulley (173) and a first transmission gear (1713) are driven to rotate through a first transmission belt (1714) so as to drive a second transmission gear (176), a motor output shaft (181), a third transmission gear (1712) and a third transmission belt pulley (178) are driven through the second transmission gear (176), and an engine output bearing (3) is driven through the motor output shaft (181) so as to output power to the outside, the third transmission belt pulley (178) drives a fourth transmission belt pulley (1710) through a second transmission belt (1711), so as to drive a fourth transmission shaft (179) and further drive a generator bearing (21) to enable a generator to generate electricity;

when the engine is in an environment with insufficient or no fuel oil, a switch is started, the adaptor transmits an electric signal to the second telescopic device (19) and the first telescopic device (15), so that the second telescopic device (19) and the hydraulic telescopic mechanism of the first telescopic device (15) are contracted, the first transmission gear (1713) and the third transmission gear (1712) are separated from the second transmission gear (176), meanwhile, the motor (18) starts to rotate and outputs power to the outside, when speed reduction is needed in the environment, a brake is stepped, a brake system sends an electric signal to the adaptor, the adaptor transmits the electric signal to the second telescopic device (19) to enable the hydraulic telescopic mechanism of the second telescopic device (19) to extend, so that the third transmission gear (1712) is meshed with the second transmission gear (176), and when the brake is released, the hydraulic telescopic mechanism of the second telescopic device (19) is contracted again, the third drive gear (1712) is disengaged from the second drive gear (176).