CN103133132A

CN103133132A - Hydraulic and mechanical double-power output method

Info

Publication number: CN103133132A
Application number: CN201310089023XA
Authority: CN
Inventors: 张纪鹏; 张铁柱; 张继忠; 马永志; 程联军; 邹荣国; 赵红; 霍炜; 张洪信
Original assignee: Qingdao University
Current assignee: Qingdao University
Priority date: 2013-03-20
Filing date: 2013-03-20
Publication date: 2013-06-05

Abstract

The invention belongs to the technical field of internal combustion engines and relates to a hydraulic and mechanical dual power output method. The mixed gas is burned in the combustion chamber formed by the cylinder head, the piston and the cylinder block, and the expansion force generated is transmitted in two ways through the connecting rod; the piston moves downward. During the stroke, the connecting rod is driven downward, and the slider groove, the hydraulic pump driving mechanism and the connecting rod move downward synchronously. The size of the inclined plane of the hydraulic pump driving mechanism continues to increase during the downward process, and the plunger hydraulic pump is pushed through the sliding shoe to compress the fluid and Output hydraulic power, when the piston reaches the bottom dead center, the output process of compressed oil ends; when the piston moves upwards, the size of the slope of the hydraulic pump driving mechanism shrinks continuously, the plunger hydraulic pump resets under the action of the plunger elastic force, and the plunger hydraulic pump is in the liquid inlet state. Stroke, the process ends when the piston reaches the top dead center, and the plunger hydraulic pump completes a work cycle every time the engine rotates; its structure is simple, its principle is reliable, its energy efficiency is high, it saves costs, its power transmission is fast, and it is environmentally friendly.

Description

A kind of hydraulic pressure and mechanical double dynamical output intent

Technical field:

The invention belongs to the internal combustion engine technologies field, relate to the method that one kind of multiple energy are changed mutually, particularly a kind of hydraulic pressure and mechanical double dynamical output intent.

Background technique:

Hydraulic free-piston formula motor has the comprehensive high-efficiency feature, but hydraulic free-piston formula engine tope center is unfixing, and combustion stability is poor, and outputting power is single, hydraulic power is only arranged, be difficult to directly be promoted use in demand hydraulic pressure and mechanical double dynamical machinery; The top dead center of free piston engine existence is fixing although the motor of other similar type can solve, the poor problem of combustion stability, is difficult to satisfy simultaneously the situation of hydraulic pressure and mechanical double dynamical demand.Therefore, seek to design a kind of energy and realize that efficient, the reliable double dynamical output intent of hydraulic/mechanical have good social reality meaning and economic value.

Summary of the invention:

The object of the invention is to overcome the shortcoming that prior art exists, seeking to design provides a kind of hydraulic pressure and mechanical double dynamical output intent that engine link is moved reciprocatingly, utilize the advantage of hydraulic free-piston formula motor and similar motor, adopt hydraulic pressure and mechanical double dynamical export structure, for the integrated application of double dynamical demand occasion, realize that double dynamical exchange efficiently exports.

To achieve these goals, the present invention realizes that the working procedure of hydraulic pressure and mechanical double dynamical output is: when piston when top dead center (crank angle is defined as 0 ℃ of A), slide block is in the neutral position of slide block slot, hydraulic pump drive mechanism is in position, the top, and this moment, plunger hydraulic pump was in the oil-feed range; During 90 ℃ of A of crank angle, slide block is in the right end position of slide block slot, and hydraulic pump drive mechanism is in the neutral position, and this moment, plunger hydraulic pump was in the force feed stroke; Piston is when lower dead center, and slide block is in the neutral position of slide block slot, and hydraulic pump drive mechanism is in lowest positions, and this moment, plunger hydraulic pump was in fuel-displaced range; During 270 ℃ of A of crank angle, slide block is at the left position of slide block slot, and hydraulic pump drive mechanism is in the neutral position, and this moment, plunger hydraulic pump was in the oil-feed stroke; Be rotated further and get back to piston top dead center position, forming 360 ℃ of A crank angles of hydraulic power output is an On The Cycle Working Process; The firing chamber internal combustion that mixed gas forms in cylinder head, piston and cylinder block, the expansive force of generation divides two-way to spread out of by connecting rod, wherein leads up to slide block, slide block slot, hydraulic pump drive mechanism, piston shoes and plunger hydraulic pump output hydraulic pressure power; Another road is by slide block slot, slide block, crank pin and bent axle output machine power; During descent of piston stroke (air-breathing and expansion stroke), drivening rod is descending, because slide block slot top and connecting rod are fixedly linked, the bottom is connected with hydraulic pump drive mechanism, slide block slot, hydraulic pump drive mechanism synchronizes with connecting rod and does downward movement, and hydraulic pump drive mechanism inclined-plane size in descending process constantly becomes large, promotes plunger hydraulic pump by piston shoes, compressed fluid and output hydraulic pressure power, during the piston arrives lower dead center, the compressed oil output procedure finishes; During the piston stroking upward stroke, hydraulic pump drive mechanism inclined-plane size is constantly dwindled, and plunger hydraulic pump resets under the effect of plunger elastic force, and plunger hydraulic pump is in the feed liquor stroke, during the piston arrives top dead center, this process finishes, and the motor plunger hydraulic pump that often turns around is completed once acting circulation; The machine power output intent is identical with four strokes of the motor of existing routine with process, and the power of piston passes to slide block by connecting rod, slide block slot when the work by combustion stroke, slide block is done horizontal motion in slide block slot, slide block slot is done vertical motion, two motion synthesis form slide block and crank pin and move in a circle around the center line of bent axle, slide block slot passes to the power of slide block, is transformed into the running torque of bent axle by crank pin, by crankshaft end output machine power; Realize hydraulic pressure and mechanical double dynamical output.

The present invention realizes that the agent structure of the device of hydraulic pressure and mechanical double dynamical output comprises cylinder head, piston, connecting rod, cylinder block, slide block, crank pin, slide block slot, lower body, plunger hydraulic pump, fuel-displaced pipeline, in-line, guide rod support, oil sump, bent axle, hydraulic pump drive mechanism, piston shoes and guide rod; The fixed installation of cylinder block top is shaped with cylinder head; Oil sump is arranged on lower body, and cylinder head, cylinder block, lower body and oil sump constitute the body group structure of sealing up and down; Piston is by wrist pin and rod hinge connection, and the connecting rod after hinged and piston penetrate from the top of cylinder block, upper half side being fixedly connected with of connecting rod and slide block slot; The slide block that the half side fixed combination in two of up and down consists of is inlayed and is arranged in slide block slot and moves horizontally in slide block slot; The bottom of slide block slot is provided with the hydraulic pump drive mechanism with the inclined-plane, is used for the work of drive plunger oil hydraulic pump, and lower half side being fixedly installed togather of hydraulic pump drive mechanism and slide block slot is synchronized with the movement; The bottom surface of lower body fixedly is shaped with guide rod support, and the fixed installation of guide rod support top is shaped with guide rod, and the targeting part of guide rod inserts in hydraulic pump drive mechanism, to the leading role of hydraulic pump drive mechanism for implementing; The bilateral symmetry of lower body is furnished with two plunger hydraulic pumps, connects respectively on plunger hydraulic pump to be shaped with in-line and fuel-displaced pipeline, and motor is by fuel-displaced pipeline output hydraulic pressure power; Plunger hydraulic pump contacts with hydraulic pump drive mechanism by piston shoes and forms driving relationship, the active force of piston shoes carrier fluid press pump driving mechanism, drive plunger oil hydraulic pump compression fuel oil; Crank pin is embedded in the middle of slide block, and bent axle is fixedly mounted in cylinder block; Cylinder head, piston and cylinder block form the firing chamber, the expansive force that burning produces divides two-way to spread out of by connecting rod, wherein lead up to slide block, slide block slot, hydraulic pump drive mechanism, piston shoes and plunger hydraulic pump output hydraulic pressure power, another road is by slide block slot, slide block, crank pin and bent axle output machine power; When descent of piston stroke or air-breathing and expansion stroke, hydraulic pump drive mechanism urges plunger hydraulic pump compressed fluid and output hydraulic pressure energy, during the piston arrives lower dead center, this process finishes; During the piston stroking upward stroke, plunger hydraulic pump resets under the effect of plunger elastic force, and plunger hydraulic pump is in the feed liquor stroke, and during the piston arrives top dead center, this process finishes, and the motor plunger hydraulic pump that often turns around is completed once acting circulation.

When the present invention installs, first piston is connected with connecting rod and is combined to form that the top from cylinder block penetrates after piston rod part; The upper half side of slide block slot made up from cylinder block bottom and connecting rod; With crankshaft installed in the bearing support of cylinder block; To be installed in slide block slot after slide block and crank pin assembling again; Half side under the slide block slot of spiral-lock with hydraulic pump drive mechanism, complete the combination of bent axle and connecting rod; Then lower body is installed, the guide rod guide end is inserted in the pilot hole of hydraulic pump drive mechanism; Fixed guide pole and is installed on guide rod support on lower body on guide rod support; The erection column piston hydraulic pump, according to the matching relationship requirement of hydraulic pump drive mechanism and piston shoes, be installed on the plunger hydraulic pump symmetry both sides of lower body again, and connect corresponding in-line and fuel-displaced pipeline; Last spiral-lock oil sump is completed the combination assembling of whole motor.

The present invention comprises body group, connecting rod, distribution device, supply system, cooling system, lubricating system, starting system and hydraulic system by functional structure; The body group comprises cylinder head, cylinder block, lower body and oil sump, is the assembling matrix of the support of this motor and connecting rod, distribution device, each system's main parts size of motor, is also the connecting body of each system of contact; Connecting rod comprises piston, connecting rod, slide block, crank pin, slide block slot and bent axle, combustion gas is acted on the torque that power on piston top changes bent axle into, export machine power by crankshaft end to work mechanism, while drive plunger oil hydraulic pump is by hydraulic system output hydraulic pressure power; Distribution device is identical with the 26S Proteasome Structure and Function of the distribution device of conventional engine, according to the work cycle requirement of motor, regularly opens and closes inlet and exhaust valve, realizes the gas exchange process of cylinder; Supplying with system has identical 26S Proteasome Structure and Function with the supply cording of conventional engine, and according to the different working condition requirements of motor, the inflammable mixture of preparation some and concentration mixture combustion is expanded do work, and after burning, waste gas is discharged body; Cooling system is identical with conventional engine, makes motor all remain in the proper temperature scope under all operating modes; Lubricating system is similar to conventional engine, and its oil sump is slightly large than the conventional engine volume; When engine operation, continuously the enough cleaning lubricant oil of quantity is transported to whole friction surfaces, reach the functional reliability of raising motor and the effect of durability; Starting system is identical with conventional engine, drives motor by starter motor and enters working state from state of rest; Hydraulic system is the critical system of this motor, hydraulic system can be exported simultaneously with machinery and two kinds of power of hydraulic pressure motor, and hydraulic system comprises plunger hydraulic pump, fuel-displaced pipeline, in-line, guide rod support, hydraulic pump drive mechanism, piston shoes and guide rod; Its effect is that the power that combustion gas acts on piston top directly is transformed into hydraulic power output in machine, to improve the energy conversion efficiency of motor.

The present invention compared with prior art, the problems such as free piston type fluid power motor top dead center is unfixing, combustion stability is poor have been overcome, and the problem such as the existing transmission of power poor reliability of the motor of other similar type, mechanical efficiency reduction, realize efficient and reliable power engine internal conversion process; It is simple in structure, exports double dynamical process step and principle reliable, and efficiency is high, saves cost, and transmission of power is fast, environmental friendliness.

Description of drawings:

Fig. 1 is agent structure principle schematic of the present invention.

Fig. 2 is agent structure working procedure principle schematic of the present invention, wherein a is the working principle structural representation, b is that piston is in the top dead center principle schematic, c is that crank angle is the principle schematic of 90 ℃ of A, d be piston in the lower dead center principle schematic, e is the principle schematic of 270 ℃ of A of crank angle.

Embodiment:

Also be described further by reference to the accompanying drawings below by embodiment.

Embodiment:

The agent structure of the present embodiment comprises cylinder head 1, piston 2, connecting rod 3, cylinder block 4, slide block 5, crank pin 6, slide block slot 7, lower body 8, plunger hydraulic pump 9, fuel-displaced pipeline 10, in-line 11, guide rod support 12, oil sump 13, bent axle 14, hydraulic pump drive mechanism 15, piston shoes 16 and guide rod 17; Cylinder block 4 top fixed installations are shaped with cylinder head 1; Oil sump 13 is arranged on lower body 8, and cylinder head 1, cylinder block 4, lower body 8 and oil sump 13 constitute the body group structure of sealing up and down; Piston 2 is hinged by wrist pin and connecting rod 3, and the connecting rod 3 after hinged and piston 2 penetrate from the top of cylinder block 4, upper half side being fixedly connected with of connecting rod 3 and slide block slot 7; The slide block 5 that the half side fixed combination in two of up and down consists of is inlayed and is arranged in slide block slot 7 and moves horizontally in slide block slot 7; The bottom of slide block slot 7 is provided with the hydraulic pump drive mechanism 15 with the inclined-plane, is used for the work of drive plunger oil hydraulic pump 9, and hydraulic pump drive mechanism 15 is synchronized with the movement with lower half side being fixedly installed togather of slide block slot 7; The bottom surface of lower body 8 fixedly is shaped with guide rod support 12, and guide rod support 12 tops fixed installations are shaped with guide rod 17, and the targeting part of guide rod 17 inserts in hydraulic pump drive mechanism 15, and hydraulic pump drive mechanism 15 is implemented leading roles; The bilateral symmetry of lower body 8 is furnished with two plunger hydraulic pumps 9, connects respectively on plunger hydraulic pump 9 to be shaped with in-line 11 and fuel-displaced pipeline 10, and motor is by fuel-displaced pipeline 10 output hydraulic pressure power; Plunger hydraulic pump 9 contact the formation driving relationship by piston shoes 16 with hydraulic pump drive mechanism 15, the active force of piston shoes 16 carrier fluid press pump driving mechanisms 15, and drive plunger oil hydraulic pump 9 compresses fuel oils; Crank pin 6 is embedded in the middle of slide block 5, and bent axle 14 is fixedly mounted in cylinder block 4; Cylinder head 1, piston 2 and cylinder block 4 form the firing chamber, the expansive force that burning produces spreads out of by 3 minutes two-way of connecting rod, wherein lead up to slide block 5, slide block slot 7, hydraulic pump drive mechanism 15, piston shoes 16 and plunger hydraulic pump 9 output hydraulic pressure power, another road is by slide block slot 7, slide block 5, crank pin 6 and bent axle 14 output machine powers; When piston 2 downward strokes or air-breathing and expansion stroke, hydraulic pump drive mechanism 15 promotes plunger hydraulic pump 9 compressed fluids and output hydraulic pressure energy, and when piston 2 arrives lower dead center, this process finishes; During piston 2 upward stroke, plunger hydraulic pump 9 resets under the effect of plunger elastic force, and plunger hydraulic pump 9 is in the feed liquor stroke, and when piston 2 arrives top dead center, this process finishes, and the motor plunger hydraulic pump 9 that often turns around is completed once acting circulation.

When the present embodiment is installed, first piston 2 is connected with connecting rod to connect and is combined to form that the top from cylinder block 4 penetrates after piston rod part; The upper half side of slide block slot 7 made up from cylinder block 4 bottoms and connecting rod 3; Bent axle 14 is installed in the bearing support of cylinder block 4; To be installed in slide block slot 7 after slide block 5 and crank pin 6 assemblings again; Half side under the slide block slot of spiral-lock with hydraulic pump drive mechanism 15, complete the combination of bent axle 14 and connecting rod 3; Then lower body 8 is installed, guide rod 17 guide ends is inserted in the pilot hole of hydraulic pump drive mechanism 15; Fixed guide pole 17 and is installed on guide rod support 12 on lower body 8 on guide rod support 12; The erection column piston hydraulic pump 9 again, according to the matching relationship requirement of hydraulic pump drive mechanism 15 and piston shoes 16, plunger hydraulic pump 9 symmetries are installed on the both sides of lower body 8, and connect corresponding in-line 11 and fuel-displaced pipeline 10; Last spiral-lock oil sump 13 is completed the combination assembling of whole motor.

The present embodiment comprises body group, connecting rod, distribution device, supply system, cooling system, lubricating system, starting system and hydraulic system by functional structure; The body group comprises cylinder head 1, cylinder block 4, lower body 8 and oil sump 13, is the assembling matrix of the support of this motor and connecting rod, distribution device, each system's main parts size of motor, is also the connecting body of each system of contact; Connecting rod comprises piston 2, connecting rod 3, slide block 5, crank pin 6, slide block slot 7 and bent axle 14, combustion gas is acted on the torque that power on piston top changes bent axle into, export machine power by crankshaft end to work mechanism, while drive plunger oil hydraulic pump 9 is by hydraulic system output hydraulic pressure power; Distribution device is identical with the 26S Proteasome Structure and Function of the distribution device of conventional engine, can regularly open and close inlet and exhaust valve according to the work cycle requirement of motor, realizes the gas exchange process of cylinder; Supplying with system has identical 26S Proteasome Structure and Function with the supply cording of conventional engine, and according to the different working condition requirements of motor, the inflammable mixture of preparation some and concentration mixture combustion is expanded do work, and after burning, waste gas is discharged body; Cooling system is identical with conventional engine, makes motor all remain in the proper temperature scope under all operating modes; Lubricating system is similar to conventional engine, and its oil sump 13 is slightly large than the conventional engine volume; When engine operation, continuously the enough cleaning lubricant oil of quantity is transported to whole friction surfaces, reach the functional reliability of raising motor and the effect of durability; Starting system is identical with conventional engine, drives motor by starter motor and enters working state from state of rest; Hydraulic system is the critical system of this motor, hydraulic system can be exported simultaneously with machinery and two kinds of power of hydraulic pressure motor, hydraulic system comprises plunger hydraulic pump 9, fuel-displaced pipeline 10, in-line 11, guide rod support 12, hydraulic pump drive mechanism 15, piston shoes 16 and guide rod 17, its effect is that the power that combustion gas acts on piston top directly is transformed into hydraulic power output in machine, to improve the energy conversion efficiency of motor.

The present embodiment realizes that the working procedure of hydraulic pressure and mechanical double dynamical output is: as shown in Figure 2, when piston 2 when top dead center (corner of bent axle 14 is defined as 0 ℃ of A), slide block 5 is in the neutral position of slide block slot 7, hydraulic pump drive mechanism 15 is in position, the top, and this moment, plunger hydraulic pump 9 was in the oil-feed range; During 90 ℃ of A of corner of bent axle 14, slide block 5 is in the right end position of slide block slot 7, and hydraulic pump drive mechanism 15 is in the neutral position, and this moment, plunger hydraulic pump 9 was in the force feed stroke; Piston is when lower dead center, and slide block 5 is in the neutral position of slide block slot 7, and hydraulic pump drive mechanism 15 is in lowest positions, and this moment, plunger hydraulic pump 9 was in fuel-displaced range; During 270 ℃ of A of corner of bent axle 14, slide block 5 is at the left position of slide block slot 7, and hydraulic pump drive mechanism 15 is in the neutral position, and this moment, plunger hydraulic pump 9 was in the oil-feed stroke; Be rotated further and get back to the top dead center position of piston 2, forming 360 ℃ of A crank angles of hydraulic power output is an On The Cycle Working Process; The firing chamber internal combustion that mixed gas forms in cylinder head 1, piston 2 and cylinder block 4, the expansive force that produces spreads out of by 3 minutes two-way of connecting rod, wherein leads up to slide block 5, slide block slot 7, hydraulic pump drive mechanism 15, piston shoes 16 and plunger hydraulic pump 9 output hydraulic pressure power; Another road is by slide block slot 7, slide block 5, crank pin 6 and bent axle 14 output machine powers; During piston 2 downward strokes (air-breathing and expansion stroke), drivening rod 3 is descending, because slide block slot 7 tops and connecting rod 3 are fixedly linked, the bottom is connected with hydraulic pump drive mechanism 15, slide block slot 7, hydraulic pump drive mechanism 15 synchronizes with connecting rod 3 and does downward movement, and hydraulic pump drive mechanism 15 inclined-plane size in descending process constantly becomes large, promotes plunger hydraulic pumps 9 by piston shoes 16, compressed fluid and output hydraulic pressure power, when piston 2 arrives lower dead center, the compressed oil output procedure finishes; During piston 2 upward stroke, hydraulic pump drive mechanism 15 inclined-plane sizes are constantly dwindled, and plunger hydraulic pump 9 resets under the effect of plunger elastic force, and plunger hydraulic pump 9 is in the feed liquor stroke, when piston 2 arrives top dead center, this process finishes, and the motor plunger hydraulic pump 9 that often turns around is completed once acting circulation; The machine power output intent is identical with four strokes of the motor of existing routine with process, and the power of piston 2 passes to slide block 5 by connecting rod 3, slide block slot 7 when the work by combustion stroke, slide block 5 is done horizontal motion in slide block slot 7, slide block slot 7 is done vertical motion, two motion synthesis form slide block 5 and move in a circle with the center line of crank pin 6 around bent axle 14, slide block slot 7 passes to the power of slide block, is transformed into the running torque of bent axle 14 by crank pin 6, by crankshaft end output machine power; Realize hydraulic pressure and mechanical double dynamical output.

Claims

1. A hydraulic and mechanical dual power output method is characterized in that the working process of realizing hydraulic and mechanical dual power output is: when the piston is at the top dead center, that is, when the crankshaft angle is defined as 0°C, the slider is in the position of the slider groove. In the middle position, the driving mechanism of the hydraulic pump is at the uppermost position, and the plunger hydraulic pump is at the maximum stroke of oil inlet; when the crankshaft angle is 90°CA, the slider is at the right end of the slider groove, and the driving mechanism of the hydraulic pump is in the middle position. When the plunger hydraulic pump is in the oil pressure stroke; when the piston is at the bottom dead center, the slider is at the middle position of the slider groove, and the hydraulic pump driving mechanism is at the lowest end position, the plunger hydraulic pump is at the maximum oil discharge stroke at this time; the crankshaft rotation angle is 270 At ℃CA, the slider is at the left end of the slider groove, and the hydraulic pump driving mechanism is at the middle position. At this time, the plunger hydraulic pump is in the oil inlet stroke; continue to rotate and return to the top dead center position of the piston, forming a hydraulic power output of 360℃ A The crankshaft rotation is a cyclic working process; the mixed gas is combusted in the combustion chamber formed by the cylinder head, piston and cylinder block, and the expansion force generated is transmitted in two ways through the connecting rod, one of which passes through the slider, slider groove, hydraulic pump The driving mechanism, sliding shoe and plunger hydraulic pump output hydraulic power; the other way outputs mechanical power through the slider groove, slider, crank pin and crankshaft; when the piston strokes down, it drives the connecting rod down, because the upper part of the slider groove and the connecting rod Fixedly connected, the lower part is connected with the hydraulic pump driving mechanism, the slider groove, the hydraulic pump driving mechanism and the connecting rod move downward synchronously, the size of the inclined plane of the hydraulic pump driving mechanism continues to increase during the downward process, and the plunger hydraulic pump is pushed through the sliding shoe. Compress the fluid and output hydraulic power. When the piston reaches the bottom dead center, the compressed oil output process ends; when the piston moves upwards, the size of the slope of the hydraulic pump driving mechanism shrinks continuously, and the plunger hydraulic pump resets under the action of the plunger elastic force. In the liquid intake stroke, the process ends when the piston reaches the top dead center, and the plunger hydraulic pump completes a work cycle every time the engine rotates; the mechanical power output method and process are the same as the four strokes of the existing conventional engine, and the combustion During the power stroke, the power of the piston is transmitted to the slider through the connecting rod and the slider groove. The slider moves horizontally in the slider groove, and the slider groove moves vertically. The two movements are combined to form the slider and the crank pin around the center of the crankshaft. The wire makes a circular motion, the power transmitted to the slider by the slider groove is converted into the rotational torque of the crankshaft through the crank pin, and the mechanical power is output from the crankshaft end; realizing hydraulic and mechanical dual power output.

2. The hydraulic and mechanical dual power output method according to claim 1, characterized in that the main structure of the device for realizing hydraulic and mechanical dual power output comprises a cylinder head, a piston, a connecting rod, a cylinder block, a slider, a crank pin, Slider groove, lower body, plunger hydraulic pump, oil outlet pipeline, oil inlet pipeline, guide rod bracket, oil pan, crankshaft, hydraulic pump drive mechanism, sliding shoe and guide rod; cylinder head is fixedly installed on the top of cylinder block The oil pan is installed on the lower body, and the combination of the cylinder head, the cylinder block, the lower body and the oil pan constitutes an upper and lower closed body group structure; the piston is hinged with the connecting rod through the piston pin, and the hinged connecting rod and the piston are connected from the cylinder body. The top penetrates, and the connecting rod is fixedly connected with the upper half of the slider groove; the slider formed by the fixed combination of the upper and lower two halves is inlaid and installed in the slider groove and moves horizontally in the slider groove; the lower part of the slider groove A hydraulic pump driving mechanism with a slope is provided to drive the plunger hydraulic pump. The hydraulic pump driving mechanism is fixedly installed with the lower half of the slider groove for synchronous movement; the bottom surface of the lower body is fixed with a guide rod bracket , the upper part of the guide rod bracket is fixedly installed with a guide rod, and the guide part of the guide rod is inserted into the hydraulic pump drive mechanism to guide the hydraulic pump drive mechanism; two plunger hydraulic pumps are symmetrically arranged on both sides of the lower body, and the plunger The hydraulic pump is respectively connected with an oil inlet pipeline and an oil outlet pipeline, and the engine outputs hydraulic power through the oil outlet pipeline; the plunger hydraulic pump forms a driving relationship through the contact between the sliding shoe and the hydraulic pump driving mechanism, and the sliding shoe transmits the function of the hydraulic pump driving mechanism Drive the plunger hydraulic pump to compress fuel; the crank pin is embedded in the middle of the slider, and the crankshaft is fixedly installed in the cylinder body; the cylinder head, piston and cylinder block form a combustion chamber, and the expansion force generated by combustion is transmitted in two ways through the connecting rod. One of them outputs hydraulic power through slider, slider groove, hydraulic pump drive mechanism, slider and plunger hydraulic pump, and the other outputs mechanical power through slider groove, slider, crank pin and crankshaft; piston downstroke or suction During the power stroke, the hydraulic pump driving mechanism pushes the plunger hydraulic pump to compress the fluid and output hydraulic energy. This process ends when the piston reaches the bottom dead center; The plunger hydraulic pump is in the liquid intake stroke, and the process ends when the piston reaches the top dead center, and the plunger hydraulic pump completes a working cycle every time the engine rotates.