CN1164861C - Direct drive type reciprocating piston IC engine - Google Patents

Abstract

The present invention relates to a direct drive type engine with a reciprocating piston. The present invention is provided with an engine body, a front bearing, a back bearing, a main shaft, a scavenging pump system, a high-pressure pump fuel system and a lubricating oil system, wherein the front bearing and the back bearing are used for supporting the main shaft; a cooling fan is arranged on the main shaft, and the front end of the main shaft is hollow; fuel is delivered in, lubricating oil passes through an eccentric hole, and the stationary conveying mode of the lubricating oil is changed into the mode of rotating along with the main shaft. A cylinder is installed between two power supports in a lapping mode by convex lugs at both outer sides of the cylinder, and the two power supports are connected with the main shaft; the centre line of the cylinder and the centre line of the main shaft are vertically crossed. A crankshaft of a crank link mechanism connected with a piston is installed on a hole at the cantilever end of a power line rack; a crankshaft outside a cantilever is provided with a planetary gear engaged with a gear ring in an engine body cavity. Thus, acting force which is generated by gas expansion and is applied to the cylinder and the piston is converted into a force moment applied on the main shaft, so the output power of the main shaft can be enlarged. A scavenging port and a gas exhaust port of the cylinder are opened or closed by the forward motion of the piston; thus, a complicated gas distribution mechanism is omitted, and sufficient air can be provided.

Description

Direct drive type reciprocating piston formula internal-combustion engine

Technical field

The present invention relates to a kind of improved internal combustion engine, specifically a kind of direct drive type reciprocating piston formula internal-combustion engine is to belong to F02B 57/00 by International Classification of Patents.

Background technique

At present, in internal-combustion piston engine, be divided into rotary-piston type and stroke piston combustion engine by the motion mode of piston.The cylinder of stroke piston combustion engine is a cylindrical shape, and piston is done straight reciprocating motion in cylinder, and promptly piston by the connecting rod of bent axle, is sent to live axle and converts output work under combustion gas promotes.China national Department of Intellectual Property discloses a kind of " planet engine " (ZL94236513.5) patent on the inner axes line that forward and backward cover cap cylindrical shape body is housed, is equipped with rotatable lineal shape main shaft, on section, the installation dividing plate end face end face ring gear is housed in the middle, is meshed with three circumferential uniform satellite gears that are installed on the bent axle; The crank piston crank mechanism is configured at least one with being the planetary configuration formula and is connected with main shaft, rotates on the cylinder body that cooperates with the machine body lumen wall; Cylinder connects the external cylindrical surface of cylinder body; The end face ring gear under the moving power transmission of planet gear rotation, drive fixedly connected main axis rotation, finish output torque thus.The end face ring-type ring gear that this patented technology adopted, facewidth is less than the cylindrical facewidth in it, and the load state during work, the wearing and tearing uniformity are not ideal, the installing structure of cylinder, and the water-cooling channel of body, member configuration technology difficulty are big, and manufacture cost is higher.

Summary of the invention

The objective of the invention is: under existing cylinder operation principle state, can increase the output work on the main shaft.Direct drive type reciprocating piston formula internal-combustion engine, be to comprise the tubular body is arranged, rectilinear semi-hollow main shaft, cylinder 20, piston 19, the connecting rod of bent axle, cooling system with sweep, exhaust system, fuel supply system, lubricating system, starting system, it is characterized in that the output work method on the increase main shaft 8 of direct drive type reciprocating piston formula internal-combustion engine, be the combustion gas expansion power of utilizing in the cylinder 20, amphicheirality's characteristics with active force and reaction force, act on cylinder 20 and the piston 19, after being converted into two moments, synthesis is on main shaft again, that is: one is that cylinder 20 is fixedly mounted on the powered support 16 on the main shaft 8, the center line of cylinder 20 is square crossing with respect to the center line of main shaft 8, form the arm of force thus, changed cylinder 20 and acted on Point of Strength position on the main shaft 8, and constituted moment; When one expansion power therein is that this power just converts the running torque that acts on main shaft 8 to when acting on the cylinder 20 by the arm of force; Another strand acts on the expansive force on the piston 19, except that change by the active force on the connecting rod forward on the bent axle 18, bent axle 18 is mounted in again on the powered support 16 that links main shaft, in the crankshaft hole on the cantilever 17, the force direction switching mechanism of planetary gear type is installed again on the bent axle 18 simultaneously, make the expansive force that acts on the piston 19 pass to power on the bent axle 18, do the time spent applying to main shaft 8, it is the rotation that impels main shaft 8 with the form of moment, like this, moment loading is in the stack that on the main shaft 8 is two running torques on cylinder 20 and the piston 19, therefore can effectively utilize the active force that the cylinder combustion gas is expanded, to increase the output work on the main shaft, obtain high efficiency internal-combustion engine.

For above-mentioned direct drive type reciprocating piston formula internal-combustion engine, lower bottom part is equipped with " U " shape lubricating oil bath 35 outside body 9, and spill port 38; Be equipped with successively after its front cover 3 airstrainer 4, fore bearing 7 fixing frames, its with circumference on on-fixed point place, be uniformly on the lubricant oil pipe fitting 6, inner circumference of break-through body 9 walls to have fixed six scavenging pump switches control master plates 11; Oil mass is supplied with speed regulating mechanism 30; Two identical and spaced internal gears 14, fan blade 59, back thermal baffle 23, rear bearing 25 fixing frames, starter motor and parts thereof.

Above-mentioned main shaft 8 is mounted on fore bearing 7 and the rear axle pump 25, and the pipe joint 1 of fuel oil is introduced in the hollow binding in its front, connects rotary sealing assembly 2 thereafter, the belt pulley 5 of related moving air compressor; The fitting seat 12A of cooling fan 10, scavenging pump 12 is housed successively, the lubricant oil pipeline 13 that changes its course, the oil pump seat 32 of high pressure oil pump 31 after fore bearing 7; Two fixing frames that connect main shaft 8, be axial symmetry have spacing install, on the powered support 16 of band cantilever 17 is arranged, be shaped on mounting plate 27 at its fixing frame homonymy, cantilever 17 ends have the installation crankshaft hole.The smoke baffle plate 22 of band fan blade 59 also fixedly is housed on the main shaft 8, startup associated part and flywheel 24 are housed after rear bearing 25;

Above-mentioned complete cylinder 20 assemblies, its crown dress is with cylinder head 21 assemblies, cylinder head 21 tops are equipped with oil sprayer 28, be shaped on mounting lug on both sides, cylinder body 20 outside, place relative main shaft 8 for radially, between two powered supports 16 that have a cantilever 17 and be fixedly mounted on the mounting plate 27, the axle center straight line of cylinder 20 center lines and main shaft 8 is square crossings; Act on the combustion gas expansive force on the cylinder acrosome, promptly become the moment that acts on the main shaft 8; And piston 19 wherein connects bent axle 18 by the connecting rod that it connect, bent axle 18 is to cooperate to be installed in the cantilever 17 end crankshaft holes of powered support 16, on the bent axle 18 of two cantilevers, the 17 ends outside, be installed with and be fixed in the planetary pinion 15 that body 9 internal gears 14 are meshed, constitute active force and be converted to moment mechanism.Still,, reprint the running torque that acts on the main shaft 8 by powered support 16 cantilevers 17 with the formation of action and reaction power therebetween like relative rail (internal gear) state of train wheel (planetary pinion).Cantilever 17 mounting structures of complete cylinder 20 assemblies and cooperation powered support 16 can be that two cover combinations are 180 ° of positions relations, can also be three cover groups, 120 ° locations of structures relations each other.

Above-mentioned cooling system is to adopt preposition cooling fan 10, with main shaft 8 rotations, columnar body 9 inner chambers has been formed the natural cooling air channel; The outer radiating fin of cylinder block helps cylinder 20 heat radiations; Be contained on the smoke baffle plate 22 that rotates with main shaft 8, be provided with fan blade 59, with the increasing flow that scavenges.Fresh air by scavenging pump 12 pressurization that is fixed on the main shaft 8 after, send into scavenging port 39 on the cylinder block through gas circuit 33, with the mobile position of piston 19 heads, finish and close opening of scavenging port 39 and relief opening 40.

Above-mentioned fuel supply system, be to drive air compressor 60 by the belt pulley on the main shaft 85 to be transferred to generator 61, forward to again and drive oil transfer pump 63, draw through pipe joint 1, rotary sealing assembly 2, main shaft 8 hollow section side oil pipes 34 from the oil of fuel tank 66 sucking-offs, then to the high pressure oil pump 31 that links on the main shaft 8 oil pump seats 32, control to high-pressure oil pipe 29, enter the oil mass to the cylinder 20 of oil sprayer 28 on the cylinder head 21 then with speed regulating mechanism 30, waste gas is then discharged through outlet pipe logical 26 from relief opening.

The generator 61 that belt pulley 5 on the main shaft 8 is driven, also drive lubricating pump 62 work at the same time: extract lubricant oil out from body 9 bottoms " U " shape oil sump 35, arrive pipe fitting 6 by the road, promptly enter 7 annular grooves of fore bearing, become by main shaft 8 and axially transfer radially the output pipeline 13 that is drawn out to, can rotates with main shaft 8 to, draw in the kinematic pair of delivering to rotor.Unnecessary drop leakage of oil turns in " U " shape lubricating oil tank 35 by body 9 spill port 38 of going to the bottom again.

Above-mentioned cranking system is the actuating motor (direct current motor) 64 that is installed in body 9 outsides by, and the startup ratchet is housed on its armature shaft, starts by magnetic coil energising that relative ratchet gear ring meshes on ratchet displacement and the flywheel 24.Can also between its Transmitted chains, set up idle pulley, join work with meshed transmission gear and free wheel device.After engine starting finished, flywheel 24 and main shaft 8 run-in synchronisms.Promptly implement to stop startup work, after actuating motor (direct current motor) 64 is cut off the electricity supply, driving component reset and flywheel 24 on gear ring break away from engagement, internal-combustion engine enters normal operation work.

Lubricating pump 62, the fuel pump 63 of the air compressor 60 in above-mentioned annex, motor 61, driving, its function is identical with ordinary internal combustion engine driving annex, and all is installed on the outside of body 9.

One of maximum characteristics of the present invention are cylinder to be installed to be provided with from main shaft one distance is arranged, and the shaft axis of cylinder axis line of force and lineal shape main shaft is square crossing, and therefore obtain is the running torque that has increased to the opplied moment of main shaft.And its two, be that piston in the cylinder is under combustion gas expansion power, by connecting rod, go to the bent axle that is contained on the powered support cantilever hole, the planetary pinion to its bent axle; When this active force and be fixed in the body, internal gear is engaged with and scrunches start and then obtain reaction force, this power multiply by the arm length transmission paired to main shaft, constitutes directly to push away running torque.So just increased running torque effect, just improved the output work of main shaft main shaft, obtain high efficiency internal-combustion engine.Three of characteristics are carried fuel oil, lube plant, pipe fitting, convert the rotation with main shaft to from transfixions, and the constant working state of relative position.Adopt preposition cooling fan, promote the cooling of air cooling dynamic component; The scavenging pump of similar common air compressor, when turning around at main shaft, because of with six in body control template actions, work has six times, is the twice of two two stroke IC engines, and the air of sufficient affluence is provided for the work of cylinder combustion gas; Between smoke baffle plate and thermal baffle, leave bigger space to reduce exhaust pressure, reduce exhaust noise; Simultaneously on smoke baffle plate, be equipped with fan blade, when rotating, strengthen the exhaust dynamics with main shaft.Scavenging port and relief opening are opened near the position the lower dead center of cylinder block, only need the to-and-fro motion by piston, just can open or close, and have saved complicated distribution device.

Description of drawings:

Below in conjunction with accompanying drawing the present invention is further described.

Now only with a pair of two stroke IC engine as representative.

Fig. 1 be of the present inventionly overlook, the sectional structure schematic representation.

Fig. 2 is that main shaft member schematic representation is correlated in the present invention.

Fig. 3 is the A-A sectional plane schematic representation of Fig. 1.

Fig. 4 is rotary sealing assembly 2 and dependency structure sectional view.

Fig. 5 is that the B-B of Fig. 1 analyses and observe and powered support associated components matching chart.

Fig. 6 is that the C-C of Fig. 1 analyses and observe partial schematic diagram.

Fig. 7 is that the R of Fig. 6 is to structural representation.

Fig. 8 is the G-G sectional structure chart of Fig. 7.

Fig. 9 is cylinder upper junction composition and pipeline schematic representation.

Figure 10 is that the K of Fig. 9 is to view.

Figure 11 is that the D-D of Fig. 1 analyses and observe scavenging pump cloth position sectional view.

Figure 12 is the N-N sectional view of Figure 11.

Figure 13 is the M-M sectional view of Figure 11.

Figure 14 is a high pressure oil pump cloth bitmap.

Figure 15 is high pressure oil pump and fuel-flow control governor composition.

Figure 16 is a H-H sectional drawing on Figure 12.

Figure 17 is an I-I sectional drawing on Figure 12.

Figure 18 is a J-J sectional drawing on Figure 12.

Figure 19 is the sectional view that the E-E of Fig. 1 analyses and observe smoke baffle plate and air outlet flue.

Figure 20 is entrained air compressor, generator and lubricating pump thereof, the conveying fuel pump of Transmitted chains of being drawn by the belt pulley on the main shaft 5, and the cloth position schematic representation that starts direct current generator.

：1. 2. 3. 4. 5. 6. 7. 8. 9. 10.11. 12. 12A. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43.44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66.。

Sectional view among last Fig. 1 all is to change portion's view of 90 ° counterclockwise.

Embodiment:

Referring to Fig. 1,2,3, a kind of direct drive type reciprocating piston formula internal-combustion engine, has columnar body 9, lineal shape, leading portion are hollow main shafts 8, it is to strengthen the main shaft output power in the following manner: the powered support that has cantilever 17 16 of two identical symmetries, be to link main shaft 8 with alligator, and certain distance is arranged between the two by the fixing frame on it; Be lug betwixt, be installed on the mounting plate 27 of powered support 16 fixing frames cylinder 20 both sides.The center line of cylinder 20 and spindle centerline are square crossings, and distance is S.By the axle center of main shaft 8 the long L in center, hole to cantilever 17 top ends, bent axle 18 is housed in the hole, be that its inboard is the piston 19 of cylinder 20, the connecting rod of associated bent axle 18, and the planetary pinion 15 that standard pitch circle is a radius R is housed on the outside bent axle 18, the internal gear 14 that is respectively and is fixed on body 9 inner headed faces is meshed, visual to make bent axle 18 be a Point of Strength and perpendicular to the power effect diagram of L one angle α is arranged, along with bent axle 18 rotates and changes.Therefore, be subjected to the combustion gas expansive force and do the time spent in cylinder 20, cylinder body is then with P ₁Multiply by the rotating force distance that S makes main shaft 8, i.e. M ₁=P ₁S; Piston 19 then converts P to ₂Cos α * L=M ₂So, act on that actual running torque is M on the main shaft 8 ₀=M ₁+ M ₂,

Main shaft 8 leading portions are hollow, referring to Fig. 4, be the introduction part pipe joint 1, the rotary sealing assembly 2 that lead to fuel oil, install after body 9, front cover 3, the airstrainer 4, be equipped with on the main shaft 8 and drag air compressor 60, and to the belt pulley 5 of generator 61, fuel pump 63, lubricant pump 62.Pass the lubricant oil pipe fitting 6 that body 9 is introduced, draw, be delivered to lubricant pipe 13 through fore bearing 7, axle sleeve annular groove, borrower's axle 8 off-axis line holes of supports main shaft 8.Cooling fan 10 is housed thereafter, the scavenging pump 12 of band fitting seat 12A, and open and close according to the master plate 11 on body 9 inwalls, the oil pump seat 32 of high pressure oil pump 31 is fixed on the internal gear 14 on body 9 inner headed faces; On the fixing frame of powered support 16, the mounting plate 27 that cylinder 20 (referring to Fig. 5) lug is installed is arranged; The connecting rod that its piston 19 is connect, and to the bent axle 18 in bent axle 18, two cantilevers 17 outsides that are installed in powered support 16 cantilevers 17 upper ends, planetary pinion 15 (seeing shown in Fig. 1,2,6) is housed; After powered support 16, be smoke baffle plate 22, the thermal baffle 23 of band fan blade 59, the rear bearing 25 and the flywheel 24 of main shaft 8.

Referring to Fig. 7,8,9,10, vortex chamber by piston 19 tops and cylinder head 21 constitutes the firing chamber, and high pressure oil pump 31 is supplied with high pressure fuel to oil sprayer 28, and oil sprayer 28 is to the fuel oil of firing chamber ejection atomizing, cause its spontaneous combustion in high temperature compressed air, form combustion gas expansion Driving force.At cylinder head 21 tops oil sprayer 28 is housed, the lower dead center of cylinder 20 (Fig. 9 is down to a line) is provided with scavenging port 39 (on Fig. 9 to the b line) and relief opening 40, after air enters pressurization by scavenging pump 12 (referring to Figure 11,12,13,14) suction port 36, send into scavenging port 39 through air inlet pipeline 33, when piston 19 tops during at top dead center C line, piston 19 heads have been sealed scavenging port 39; When work done stroke piston 19 heads came downwards to scavenging port 39 (figure d line to the b line), because 20 li gas pressures of cylinder are greater than scavenging pressure, then air-intake valve plate 41 was fitted with inlet valve seat 42 scavenging port 39 is closed, and waste gas is not flow backwards; When piston 19 heads walk to the b line when following, relief opening 40 is opened, and 20 li air pressure of cylinder descend, and scavenging pressure is greater than the cylinder internal air pressure, and air inlet sheet 41 is opened, and fresh air enters cylinder 20 and blows away waste gas.Piston 19 is up, when head moves to the b line to the d line, still has fresh air to flow in cylinder 20, till walking to more than the d point, prolongs period of intake thus and makes it fully to enter.Adopt two scavenging pumps 12 that are symmetrical in main shaft 8, to two two stroke IC engine air feed, its structure is common air compressor seemingly respectively, and with the master plate 11 on being fixed in the body 9, make the piston rod to-and-fro motion, the work of inhaling, supply gas as the spring in the control scavenging pump 12.

Referring to Figure 15-18, the cooperation of high pressure oil pump 31 and speed regulating mechanism 30, form perfect oil supply system, at first from fuel tank 66 through oil transfer pump 63, oil pressure is improved 1～2kg/cm, in oil circuit enters pipe joint 1 (main shaft 8 hollow end), to rotary sealing assembly 2, from the side oil pipe 34 of main shaft 8 draw, pipe joint 43 to the high pressure oil pump 31, enter in the pump chamber after the supercharging again spool 45 from valve seat 46, by taking 44 mouthfuls on fuel tap lid out of, send into oil sprayer 28 on cylinder 20 tops by high-pressure oil pipe 29.The working state of control oil mass is: when the roller 52 of high pressure oil pump 31 does not contact with the ball-crown body 50 of speed regulating mechanism 30, pump plunger 55 is under spring action, the M face of plunger tailstock 49 and the N face of speed governing pouring weight 54 are fitted, plunger 55 tops are in the zero point (the f line among Figure 15) of stroke, the top of plunger bushing 56 is shaped on breach formation filler opening and communicates with the oilhole of oil pump pipe joint 43, to filler opening inflow plunger 55 head spaces at plunger bushing 56 tops.When main shaft 8 rotations make a pump roller 52 contact with ball-crown body 50, plunger 55 beginnings are moved to the terminal point (the g line among Figure 15) of stroke, to the filler opening end then filler opening be closed, spool 45 oil outlets are just pushed in the pressure increase of fuel oil open, heavy to high-pressure oil pipe 29 oil circuits to oil sprayer 28 fuel feeding.The dynamics position that whether contacts of roller 52 and the ball-crown body 50 of speed regulating mechanism 30 is to make the up-down adjustment push rod, press row ball-crown body 50 to finish with handgrip 51.Pouring weight 54 head cylindricals at speed regulating mechanism are milled with the skewed slot spline, and corresponding position also is milled with the skewed slot spline in the high pressure oil pump pump housing 47, is movingly between the two; It is flat that speed governing pouring weight 54 heads are that cylinder mills, and matches with the tailstock 49 of interior square hole two end mill circular arcs.(seeing Figure 16) is when idling, pouring weight 54 is transfixion under spring action, when the limit value before rotating speed surpasses rated speed, pouring weight 54 can be under action of centrifugal force, pressure spring approaches to high pressure oil pump housing end cap 53, and being shaped on the skewed slot spline, pouring weight 54 heads cooperate with the pump housing 47, because of the pump housing 47 motionless, pouring weight 54 will angle of deflection, drive also angle of deflection of plunger 55, the skewed slot of plunger 55 heads is just connected with the filler opening of plunger bushing 56, makes high pressure fuel flow into filler opening pipe joint 43, reduced the oil pump capacity of high pressure oil pump 31, controlled the maximum speed of internal-combustion engine with this.

Referring to Figure 19, finish expansion space stroke when descent of piston to lower dead center (Fig. 9 a line), exhaust port 40 is opened fully, and waste gas is discharged to smoke baffle plate 22 rears through outlet pipe 26, discharges the outside of body 9 again through air outlet flue 57.Fan blade 59 is arranged on the smoke baffle plate 22, is to rotate the wind-force that rotor blade produces with main shaft 8, just waste gas is arrived outlet pipe 57 through the relief opening 58 of body 9, discharge again outside the body 9, make waste gas not influence heat radiation and exhaust gas discharging smoothness in smoke baffle plate 22 the place ahead disturbances.

Preposition cooling fan 10 is adopted in its cooling, carries out air-cooled with main shaft 8 rotations.

9 times outer bottoms of body make one " U " shape lubricating oil bath 35, and the belt pulley 5 on the main shaft 8 drags pneumatics pump 60 (referring to shown in Figure 20) exactly and converts belt transmission to and drive generator 61 backs, drive lubricating pump 62 and defeated fuel pump 63 again.Lubricant pump 62, changes its course and draws from main shaft 8 one sides behind fore bearing 7 cover annular grooves through pipe fitting 6 behind " U " shape lubricating oil bath 35 sucking-off oil, delivers in each kinematic pair through oil circuit 13.63 of fuel pumps are inhaled fuel oil and are delivered to the hollow main shaft of leading portion band 8 front tube joints 1 from fuel tank 66, after rotary sealing assembly 2, main shaft hollow section from one side output oil pipe 34 to high-pressure service pump 31, connect cylinder 20 thereafter and repeat above-mentioned work.

Claims (3)

1, the output work method on a kind of increase main shaft of direct drive type reciprocating piston formula internal-combustion engine, has reciprocating piston cylinder operation characteristic, it is characterized in that direct drive type reciprocating piston formula internal-combustion engine, be the combustion gas expansion power of utilizing in the cylinder (20), amphicheirality's characteristics with active force and reaction force, it is acted on power on cylinder (20) and the piston (19), be converted into two moments after, synthesis is on main shaft (8) again; That is: one is that cylinder (20) is fixedly mounted on the powered support (16) on the main shaft (8), the center line of cylinder (20) is square crossing with respect to the center line of main shaft (8), form the arm of force thus, changed the Point of Strength position that cylinder (20) acts on place main shaft (8), when one expansion power wherein is when acting on cylinder (20) and going up, this power just converts the running torque that acts on main shaft (8) to by the arm of force; Another thigh acts on the expansive force on the piston (19), except that be transformed into bent axle (18) by the opplied moment on the connecting rod on, bent axle (18) is mounted in (16) on the powered support that links main shaft (8) again, in the crankshaft hole on the cantilever (17), the switching mechanism of planetary gear type force direction is installed again on the bent axle (18) simultaneously, make the expansive force that acts on the piston (19) pass to power on the bent axle (18), do the time spent applying to main shaft (8), it is the rotation that impels main shaft (8) with the form of moment, like this, moment loading is on main shaft, be the stack of two running torques of cylinder and piston, to increase the output work on the main shaft.

2, a kind of direct drive type reciprocating piston formula internal-combustion engine of implementing the method for claim 1, be to comprise the tubular body is arranged, connecting rod, the cooling system of rectilinear semi-hollow main shaft, cylinder (20), piston (19), bent axle and sweep, exhaust system, fuel supply system, lubricating system, starting system, it is characterized in that:

A, lower bottom part is equipped with " U " shape lubricating oil bath (35) outside body (9), and spill port (38); Its front cover (3) be equipped with successively afterwards airstrainer (4), fore bearing (7) fixing frame, its with circumference on on-fixed point place, be uniformly on the lubricant oil pipe fitting (6), inner circumference of break-through body (9) wall to have fixed six scavenging pump switches control master plates (11); Oil mass is supplied with speed regulating mechanism (30); Two identical and spaced internal gears (14), fan blade (59), back thermal baffle (23), rear bearing (25) fixing frame, starter motor and parts thereof;

B, main shaft (8) are mounted on fore bearing (7) and the rear axle pump (25), and the pipe joint (1) of fuel oil is introduced in the hollow binding in its front, connects rotary sealing assembly (2) thereafter, the belt pulley of related moving air compressor (5); At fore bearing (7) fitting seat (12A) of cooling fan (10), scavenging pump (12) is housed successively afterwards, the lubricant oil pipeline (13) that changes its course, the oil pump seat (32) of high pressure oil pump (31); Connect on two fixing frames of main shaft (8), be that axial symmetry has spacing to install, on the powered support (16) of band cantilever (17) is arranged, be shaped on mounting plate (27) at its fixing frame homonymy, cantilever (17) end has the installation crankshaft hole, the smoke baffle plate (22) of band fan blade (59) also fixedly is housed on the main shaft (8), startup associated part and flywheel (24) is housed afterwards at rear bearing (25);

C, complete cylinder (20) assembly, its crown dress is with cylinder head (21) assembly, cylinder head (21) top is equipped with oil sprayer (28), be shaped on mounting lug on both sides, cylinder body (20) outside, place relative main shaft (8) for radially, between two powered supports (16) that have cantilever (17) and be fixedly mounted on the mounting plate (27), the axle center straight line of cylinder (20) center line and main shaft (8) is square crossing; Act on the combustion gas expansive force on the cylinder acrosome, promptly become the moment that acts on the main shaft (8); And piston wherein (19) connects bent axle (18) by the connecting rod that it connect, and bent axle (18) is to cooperate in cantilever (17) the end crankshaft hole that is installed in powered support (16); On two cantilevers (17) end outside bent axles (18), be installed with and be fixed in the planetary pinion (15) that body (9) internal gear (14) is meshed, constitute active force and be converted to moment mechanism;

D, cooling system are to adopt preposition cooling fan (10), with main shaft (8) rotation, columnar body (9) inner chamber have been formed the natural cooling air channel; The outer radiating fin of cylinder block helps cylinder (20) heat radiation; Be contained in the smoke baffle plate (22) that rotates with main shaft (8) and go up, be provided with fan blade (59), with the increasing flow that scavenges, fresh air by scavenging pump (12) pressurization that is fixed on the main shaft (8) after, send into scavenging port (39) on the cylinder block through gas circuit (33), mobile position with piston (19) head, finish and close opening of scavenging port (39) and relief opening (40)

E, fuel supply system, be to drive air compressor (60) by the belt pulley (5) on the main shaft (8) to be transferred to generator (61), forward to again and drive oil transfer pump (63), from the oil of fuel tank (66) sucking-off through pipe joint (1), rotary sealing assembly (2), main shaft (8) hollow section side oil pipe (34) is drawn, arrive the high pressure oil pump (31) that links on main shaft (8) the oil pump seat (32) then, control to high-pressure oil pipe (29) with speed regulating mechanism (30), reach then and enter cylinder head (21) and go up the oil mass of oil sprayer (28) to the cylinder (20), waste gas is then discharged through outlet pipe (26) from relief opening.

3, according to the direct drive type reciprocating piston formula internal-combustion engine of claim 2, the mounting structure that it is characterized in that complete cylinder (20) assembly and cooperation cantilever (17), can be that two cover combinations are 180 ° of position relations, can also be that three covers are combined as 120 ° locations of structures relation.

Images