CN103410611A - Double crankshaft self-balancing internal combustion engine and driving unit thereof - Google Patents

Double crankshaft self-balancing internal combustion engine and driving unit thereof Download PDF

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CN103410611A
CN103410611A CN2013103541052A CN201310354105A CN103410611A CN 103410611 A CN103410611 A CN 103410611A CN 2013103541052 A CN2013103541052 A CN 2013103541052A CN 201310354105 A CN201310354105 A CN 201310354105A CN 103410611 A CN103410611 A CN 103410611A
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combustion engine
bent axle
internal
driver element
double
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CN103410611B (en
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何学文
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Fujian Feichi Technology Co ltd
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Abstract

The invention provides a double crankshaft self-balancing internal combustion engine and a driving unit thereof and belongs to the technical field of internal combustion engine devices. According to the double crankshaft self-balancing internal combustion engine and the driving unit of the double crankshaft self-balancing internal combustion engine, the problem of vibration caused by the fact that a high-mass piston drives a high-mass crankshaft in the prior art is effectively solved. The internal combustion engine comprises the driving unit. The driving unit comprises a pair of identical cylinders and a pair of identical crankshafts, one crankshaft corresponds to the position of one cylinder respectively, pistons are positioned in the cylinders, the crankshafts are provided with shaft necks, the axes of the two crankshafts are parallel and are arranged side by side, a first linkage mechanism which enables the two crankshafts to keep rotating in opposite directions at the same rotating speed and can transmit radial force for the two crankshafts is arranged between the two crankshafts, a transmission mechanism capable of converting linear motion of the pistons into circumferential rotation of the shaft necks is arranged between the shaft necks and the corresponding pistons, and the shaft necks positioned on the two crankshafts are symmetrically distributed. According to the double crankshaft self-balancing internal combustion engine and the driving unit of the double crankshaft self-balancing internal combustion engine, the problem that a single crankshaft in a large internal combustion engine vibrates easily is effectively solved, and the load bearing capability is good.

Description

A kind of internal-combustion engine of double-crankshaft self balancing and driver element thereof
Technical field
The invention belongs to the apparatus of the internal-combustion engine technical field, relate to a kind of internal-combustion engine, particularly a kind of internal-combustion engine of double-crankshaft self balancing.
Background technique
Usually said internal-combustion engine refers to internal-combustion piston engine, and internal-combustion piston engine is the most general with reciprocating piston type.Internal-combustion piston engine mixes fuel and air, and at its combustor inner cylinder, the heat energy discharged makes to produce in cylinder the combustion gas of High Temperature High Pressure.The work done of combustion gas expansion pushing piston, then by connecting rod or other mechanisms, mechanical work is exported, drive follower work.
Internal-combustion engine generally comprises housing, in housing, be provided with crankshaft and piston, piston is placed in firing chamber, bent axle is connected with piston by connecting rod, when under the driving of piston at chemical energy, doing reciprocatory motion, piston rotates by connecting rod band dynamic crankshaft, and bent axle drives output shaft rotation by driving mechanism after rotating.
General internal-combustion engine such as the disclosed internal-combustion engine with multi-cylinders of patent (CN85108944), the cylinder head of placing and fixing thereon with delegation or multirow on crankcase, cylinder head is vertical with the vertical working surface of internal-combustion engine, and mutually near, the monolithic cylinder head of every row clamps with at least one anchor bolt, said anchor bolt with internal-combustion engine vertically by or ooze to run through and pass through cylinder head.These internal-combustion engines all only have a bent axle.
In the equipment such as some steamers, power plant, all have internal-combustion engine, but these internal-combustion engines are all large-scale, the bent axle single part is greatly to tens tons to the hundreds of ton, piston also greatly to tens ton to the hundreds of ton.These large-scale internal-combustion engines are because the weight of part is very large, and slewing rate is very low in work, and single bent axle shakes very large in by piston driving, cause internal-combustion engine output unstable, and working life is low.Simultaneously, the bent axle of internal-combustion engine is due to very huge, and a whole manufacture is very difficult.
Summary of the invention
The present invention is directed to the problems referred to above that existing technology exists, a kind of internal-combustion engine and driver element thereof of double-crankshaft self balancing is provided, technical problem to be solved by this invention is: the vibration problems how large quality bent axle of the large quality piston driving of balance brings.
Purpose of the present invention can realize by following technical proposal:
A kind of driver element of internal-combustion engine of double-crankshaft self balancing, it is characterized in that, this driver element comprises cylinder and a pair of bent axle, respectively with one cylinder of a bent axle position corresponding, in cylinder, has piston, on bent axle, has axle journal, two crankshaft center lines are parallel and be arranged side by side, between two bent axles, be provided with and can make both keep locking phase to rotating and can transmitting for both the linking mechanism one of radial force, between the piston of described axle journal and correspondence, be provided with the driving mechanism that the described bent axle of piston actuated is circumferentially rotated, axle journal on two bent axles is symmetric.
Its principle is as follows: the cylinder of each driver element and bent axle are paired, every bent axle or piston are all that the hundreds of ton is above, two bent axles carry out synchronizing by linking mechanism one, because two bent axles be arranged in parallel side by side, two axle journals are symmetric, and two bent axles are again to rotate in opposite directions with identical rotating speed, by linking mechanism one, transmit both radial forces again, make two bent axles radially remain stress balance in work, thereby solved the problem that in the large combustion machine, single bent axle easily shakes at work.Simultaneously, two bent axles are better than the bearing capacity of single bent axle.
In the driver element of the internal-combustion engine of above-mentioned a kind of double-crankshaft self balancing, as the first scheme, described driving mechanism comprises kinematic link, and the upper end portion of described kinematic link and described piston are hinged, and the axle journal on the underpart of described kinematic link and described bent axle is hinged.The mode of kinematic link is relatively simple for structure, durable in use, and the two ends up and down of kinematic link are all articulated manner, and its fit system with bent axle and piston is very flexible.
In the driver element of the internal-combustion engine of above-mentioned a kind of double-crankshaft self balancing, as another kind of scheme, described driving mechanism comprises piston rod, sliding sash and slide block, the upper end of described piston rod and described piston are connected, the lower end of described piston rod and described sliding sash are connected, in described sliding sash, offer along bent axle chute radially, described slide block is slidably connected in described chute, and described slide block and described axle journal are radially fixed and circumferentially be rotationally connected.The upper end of piston rod can be connected and need not be hinged with piston, make both stability better, make the motion of piston rod and piston can be straight up and down, avoided the active force that piston tilted and the problem of shaking, because lower end and the sliding sash of piston rod is connected, both stability is also very good, owing in sliding sash, being provided with chute and slide block, make slide block can move along chute when the axle journal of bent axle rotates, thereby for being connected, the upper end portion of piston rod and piston provide condition, the advantage of this programme is that the stability of connection of top and bottom of piston rod is very good, slide block is also fine along the stability that chute moves.
In the driver element of the internal-combustion engine of above-mentioned a kind of double-crankshaft self balancing, described slide block middle part offers the mounting hole that bore and described axle journal diameter match, and described axle journal is plugged in described mounting hole.When bent axle rotated, axle journal can be with the movable slider synchronizing moving, and simultaneously, the inwall of axle journal and mounting hole can rotate, and adopted the mode of pegging graft to make the stressed relation of axle journal and slide block more stable, can not produce impact force.
In the driver element of the internal-combustion engine of above-mentioned a kind of double-crankshaft self balancing, each cylinder has a piston, and each bent axle has an axle journal.Its benefit is that the bent axle quality is too large, after segmentation, the corresponding lower end bent axle of cylinder, profile and the weight of single bent axle all diminish, easily processing, the corresponding multi-cylinder structural reform of a bent axle of transmission is become to the present corresponding single cylinder of a bent axle, and multipair single cylinder driver element combination forms the motor array, makes the power of internal-combustion engine greatly improve.
In the driver element of the internal-combustion engine of above-mentioned a kind of double-crankshaft self balancing, the underpart of described piston rod is connected on the upper-end surface of described sliding sash, between the upper-end surface of described piston rod and sliding sash, be provided with a pair of stiffening rib, two stiffening ribs distribute along the length direction of chute, described stiffening rib is separately positioned on the both sides of piston rod, and the two ends of described stiffening rib are connected in respectively on the upper-end surface of the sidepiece of described piston rod and sliding sash.Due to stressed larger between piston rod and sliding sash and along the radial direction of bent axle, increase this towards stiffening rib after can improve both join strength, the effect of stiffening rib is the component of sharing along the chute length direction.
In the driver element of the internal-combustion engine of above-mentioned a kind of double-crankshaft self balancing, described piston rod, piston and described sliding sash all are connected as a single entity, and the three is the integral type structure, and described sliding sash is two, the corresponding bent axle of each sliding sash, two sliding sashes are set up in parallel and are fixed with one.Because the two ends up and down of piston rod are all that be connected rather than hinged, so the three can be made of one the formula structure, adopt the mode moulding of machining or casting, further improve three's intensity, two sliding sashes are fixed with one and can further guarantee the synchronous of two piston rod actions, the radial force of two bent axles of auxiliary balance.
In the driver element of the internal-combustion engine of above-mentioned a kind of double-crankshaft self balancing, as the first scheme, described linking mechanism one comprises two tooth section one and the tooth sections two on the bent axle side that are separately positioned on, described tooth section one and tooth section two be circumferentially being uniformly distributed along corresponding bent axle all, described tooth section one and tooth section two are the integral type structure with corresponding bent axle, and described tooth section one and tooth section two are meshed.Directly on bent axle, manufacture tooth section, tooth section and bent axle are connected as a single entity, make the soundness of tooth section and bent axle fine, bent axle meshes and guarantees be synchronized with the movement and transmit radial force by tooth section, and velocity ratio is more accurate, and the bearing load ability is better.
In the driver element of the internal-combustion engine of above-mentioned a kind of double-crankshaft self balancing, as another kind of scheme, described linking mechanism one comprises gear one and gear two, two respectively with bent axles of described gear one and gear are coaxially fixing, and described gear one and gear two directly mesh or indirectly mesh by intermediate gear.Adopt independently gear assembly to carry out transmission, convenient, the words of single gear failure can be changed targetedly, can better protect bent axle itself, and maintenance cost is low.
Designed according to the driver element of the internal-combustion engine of above-mentioned double-crankshaft self balancing:
A kind of internal-combustion engine of double-crankshaft self balancing, this internal-combustion engine comprises casing, it is characterized in that, in described casing, be provided with some driver elements, the axis of the bent axle of all driver elements is parallel mutually, each driver element distributes side by side, between the bent axle of adjacent two driver elements, is provided with and can makes both keep the linking mechanism two of same rotational speed, and in each driver element, corresponding crank angle staggers successively and forms identical phase difference.
Its principle is as follows: the linking mechanism two of this internal-combustion engine can be planetary combination, can be also simple some connecting rod assemblies.Each driver element is due to the bent axle that comprises a pair of move toward one another, therefore in different driver elements, turning to identical bent axle is exactly corresponding bent axle, the phase difference of the bent axle that each driver element is corresponding is prior art, purpose is in order to make bent axle receive continuously the driving of cylinder, and the torque of exporting is continued with steady.Each driver element links by linking mechanism two, makes respectively independently driver element can be linked as a driving array, realizes the lasting output of torque, makes the power of internal-combustion engine greatly improve, and makes simultaneously the manufacture of bent axle convenient.
Compared with prior art, advantage of the present invention is as follows:
1, two of this driver element bent axles are again to rotate in opposite directions with identical rotating speed, by linking mechanism one, transmit both radial forces again, make two bent axles radially remain stress balance in work, thereby solved the problem that in the large combustion machine, single bent axle easily shakes at work.Simultaneously, two bent axles are better than the bearing capacity of single bent axle.
2, this internal-combustion engine forms the motor array by a plurality of single cylinder driver element combinations, makes the power of internal-combustion engine greatly improve, and makes simultaneously the manufacture of bent axle convenient.
The accompanying drawing explanation
Fig. 1 is the schematic perspective view of the internal-combustion engine part in embodiment one.
Fig. 2 is the schematic top plan view of the internal-combustion engine part in embodiment one.
Fig. 3 is the schematic side view of the internal-combustion engine part in embodiment one.
Fig. 4 is the sectional view of the A-A in Fig. 2.
Fig. 5 is the schematic perspective view of the internal-combustion engine part after the removal casing in embodiment one.
Fig. 6 is the schematic top plan view of the internal-combustion engine part after the removal casing in embodiment one.
Fig. 7 is the sectional view of B-B in Fig. 6.
Fig. 8 is the schematic perspective view of the internal-combustion engine part in embodiment two.
Fig. 9 is the schematic side view of the internal-combustion engine part in embodiment two.
Figure 10 is the sectional view of the C-C in Fig. 9.
Figure 11 is the schematic top plan view of the internal-combustion engine part in embodiment two.
Figure 12 is the D-D sectional view in Figure 11.
Figure 13 is the schematic perspective view of the internal-combustion engine part after the removal casing in embodiment two.
Figure 14 is the schematic side view of the internal-combustion engine part after the removal casing in embodiment two.
Figure 15 is the schematic side view of the internal-combustion engine part after the removal casing in embodiment two.
Figure 16 is the E-E sectional view in Figure 15.
Figure 17 is the partial structurtes schematic diagram of two bent axle engagements.
Figure 18 is the structural representation of the slide block in embodiment two.
Figure 19 is the structural upright schematic diagram of the sliding sash in embodiment two.
Figure 20 is the structure front elevational schematic of the sliding sash in embodiment two.
Figure 21 is the schematic diagram of this driver element mechanical equilibrium.
Figure 22 is the structural representation of the driver element in embodiment three.
Figure 23 is the schematic perspective view of the driver element in embodiment three.
Figure 24 is the schematic perspective view of internal-combustion engine in embodiment four.
Figure 25 is the front elevational schematic of internal-combustion engine in embodiment four.
Figure 26 is the schematic side view of the internal-combustion engine in embodiment four.
Figure 27 is the sectional view at the F-F place in Figure 26.
Figure 28 is the sectional view at the G-G place in Figure 25.
Figure 29 is the sectional view at the H-H place in Figure 26.
Figure 30 is crank portion separation structure schematic diagram in the internal-combustion engine in embodiment four.
In figure, 1 driver element; 2 cylinders; 3 bent axles; 4 pistons; 5 axle journals; 6 linking mechanisms one; 7 driving mechanisms; 8 kinematic links; 9 piston rods; 10 sliding sashes; 11 slide blocks; 12 mounting holes; 13 stiffening ribs; 14 tooth sections one; 15 tooth sections two; 16 linking mechanisms two; 17 casings; 18 chutes; 19 screw rods.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one:
As Fig. 1-shown in Figure 7, the internal-combustion engine of this double-crankshaft self balancing comprises casing 17, in casing 17, be provided with some driver elements 1, as preferred version, this driver element 1 comprises a pair of identical cylinder 2 and a pair of identical bent axle 3, each cylinder 2 has a piston 4, and each bent axle 3 has an axle journal 5.Its benefit is that bent axle 3 quality are too large, after segmentation, the corresponding lower end bent axle 3 of cylinder 2, profile and the weight of single bent axle 3 all diminish, easily processing, the corresponding multi-cylinder structural reform of a bent axle 3 of transmission is become to a present corresponding single cylinder of bent axle 3, and multipair single cylinder driver element 1 is combined to form the motor array, makes the power of internal-combustion engine greatly improve.3 respectively with one cylinders 2 of a bent axle position corresponding, in cylinder 2, has piston 4, on bent axle 3, has axle journal 5, two bent axle 3 axis are parallel and be arranged side by side, and between two bent axles 3, are provided with and can make both keep same rotational speed to rotate in opposite directions and can transmit for both the linking mechanism 1 of radial force.
In the present embodiment, as the first scheme, linking mechanism 1 comprises two tooth section 1 and the tooth sections 2 15 on bent axle 3 sides that are separately positioned on, tooth section 1 and tooth section 2 15 be circumferentially being uniformly distributed along corresponding bent axle 3 all, tooth section 1 and tooth section 2 15 are the integral type structure with corresponding bent axle 3, and tooth section 1 and tooth section 2 15 are meshed.Directly on bent axle 3, manufacture tooth section, tooth section and bent axle 3 are connected as a single entity, make the soundness of tooth section and bent axle 3 fine, bent axle 3 meshes and guarantees be synchronized with the movement and transmit radial force by tooth section, and velocity ratio is more accurate, and the bearing load ability is better.
As another kind of scheme, linking mechanism 1 comprises gear one and gear two, and two respectively with bent axles 3 of gear one and gear are coaxially fixing, and gear one and gear two directly mesh or indirectly mesh by intermediate gear.Adopt independently gear assembly to carry out transmission, convenient, the words of single gear failure can be changed targetedly, can better protect bent axle 3 own, and maintenance cost is low.
The axle journal 5 be provided with between axle journal 5 and corresponding piston 4 on 7, two bent axles 3 of driving mechanism of the circumferential rotation that the latter's straight line motion can be transferred to the former is symmetric.The axis of the bent axle 3 of all driver elements 1 is parallel mutually, each driver element 1 distributes side by side, between the bent axle 3 of adjacent two driver elements 1, be provided with and can make both keep the linking mechanism 2 16 of same rotational speed, in each driver element 1, corresponding bent axle 3 corners stagger successively and form identical phase difference.The linking mechanism 2 16 of this internal-combustion engine can be planetary combination, can be also simple some connecting rod assemblies.
In the present embodiment, driving mechanism 7 comprises kinematic link 8, and the upper end portion of kinematic link 8 and piston 4 are hinged, and the axle journal 5 on the underpart of kinematic link 8 and bent axle 3 is hinged.The mode of kinematic link 8 is relatively simple for structure, durable in use, and the two ends up and down of kinematic link 8 are all articulated manner, and its fit system with bent axle 3 and piston 4 is very flexible.
Each driver element 1 is due to the bent axle 3 that comprises a pair of move toward one another, therefore in different driver elements 1, turning to identical bent axle 3 is exactly corresponding bent axle 3, the phase difference of the bent axle 3 of each driver element 1 correspondence is prior art, purpose is in order to make bent axle 3 receive continuously the driving of cylinder 2, and the torque of exporting is continued with steady.Each driver element 1 links by linking mechanism 2 16, makes respectively independently driver element 1 can be linked as a driving array, realizes the lasting output of torque, makes the power of internal-combustion engine greatly improve, and makes simultaneously the manufacture of bent axle 3 convenient.The cylinder 2 of each driver element 1 and bent axle 3 are paired, every bent axle 3 or piston 4 are all that the hundreds of ton is above, two bent axles 3 carry out synchronizing by linking mechanism 1, because two bent axles 3 be arranged in parallel side by side, two axle journals 5 are symmetric, and two bent axles 3 are again to rotate in opposite directions with identical rotating speed, by linking mechanism 1, transmit both radial forces again, make two bent axles 3 radially remain stress balance in work, thereby solved the problem that in the large combustion machine, single bent axle 3 easily shakes at work.Simultaneously, two bent axles 3 are better than the bearing capacity of single bent axle 3.
The motion principle that the present invention is correlated with and equilibrium principle can be calculated according to following manner:
As shown in figure 21, in the motion of bent axle 3, driving mechanism 7 and piston 4.Displacement x, speed v and acceleration a when piston is done periodically to-and-fro motion can ask calculation with following various being similar to:
x = r [ ( 1 - cos α ) + λ 4 ( 1 - cos 2 α ) ] v = rω ( sin α + λ 2 sin 2 α ) a = r ω 2 ( cos α + λ cos 2 α )
In formula, α is bent axle 3 corners; ω is bent axle 3 angular velocity of rotations; R is axle journal 5 radiuses that are equivalent to crank; α is the angle that the line at axle journal 5 centers and bent axle 3 centers and cylinder 2 axis form, and the β angle that to be kinematic link 8 form with cylinder 2 axis, λ are r and the ratio of kinematic link l, i.e. λ=r/l;
Axle journal 5 is done rotation motion, and kinematic link 8 is done complicated plane motion.The motion of kinematic link 8 often is simplified and is decomposed into the to-and-fro motion of piston group and rotatablely moving in company with axle journal 5.The reciprocal inertia force F that the power in axle journal 5 bindiny mechanisms of acting on produces when axle journal 5 motion is arranged jWith centrifugal inertia force F r, and the gas pressure in cylinder of internal combustion engine.
F j = - m j · a = - m · j r ω 2 ( cos α + λ cos 2 α )
= - m j r ω 2 cos α - m j r ω 2 λ cos 2 α
= F jI + F jII
M in formula jFor the quality of the reciprocating parts of kinematic link 8, reciprocal inertia force is comprised of some simple harmonic quantity power, but in engineering calculation, gets one-level reciprocal inertia force, i.e. F The j IWith F The j IISecondary reciprocal inertia force sum; Centrifugal inertia force F rMean: F r=m rR ω, m in formula rFor the unbalance mass, that axle journal 5 and bindiny mechanism rotate, reciprocal inertia force F j=F JI+ F jII, centrifugal inertia force F rWith countertorque Μ ', these force and moments periodically change and act on frame, evoke vibration, affect the Economy of reliability of structure and machine.
At gas pressure F GIn the process of pushing piston 4, gas pressure is delivered on bent axle through wrist pin and above-mentioned driving mechanism downwards, and the power F acted on driving mechanism is transmission reciprocal inertia force F jWith gas pressure F GMake a concerted effort, i.e. F=F j+ F G, pass to wrist pin and be decomposed into the side pressure F perpendicular to cylinder wall N=Ftan β and along the power F of driving mechanism axis t=F/cos β.F tBe delivered to bent axle, be decomposed into the tangential force T=Fsin (alpha+beta) of radial force Z=Fcos (alpha+beta) along crankshaft direction/cos β and axle journal 5/cos β.Tangential force forms the output torque of internal-combustion engine, F with respect to crankshaft center line tPass to bent neck, be decomposed into power Z ' along the cylinder axis direction=Z and perpendicular to the power F of cylinder axis N '=-F N, F N 'With F NEqual and opposite in direction, opposite direction, it forms the countertorque of internal-combustion engine output torque.This internal-combustion engine is by arranging a plurality of identical cylinders 2 and 3 interlocks of a plurality of identical bent axle, between each bent axle, by gear, mesh or some connecting rod assemblies, act on the radial force equal and opposite in direction on bent axle, opposite direction, make to pass to the force and moment of frame internal-neutralized, greatly reduce the impact of bent axle radial force to frame, formed the internal-combustion engine of balance.
In the present embodiment, the diameter of bent axle is 180mm, and the diameter of axle journal is 80mm, and piston diameter is 125mm, but can design as the case may be in actual use, and the size of the present embodiment is only for reference.
Embodiment two:
The present embodiment general contents is identical with embodiment one, institute's difference is, in the present embodiment, as another kind of scheme, driving mechanism 7 comprises piston rod 9, sliding sash 10 and slide block 11, slide block 11 middle parts offer the mounting hole 12 that bore and axle journal 5 diameters match, and axle journal 5 is plugged in mounting hole 12.When bent axle 3 rotated, axle journal 5 can be with movable slider 11 synchronizing movings, and simultaneously, the inwall of axle journal 5 and mounting hole 12 can rotate, and adopted the mode of pegging graft to make the stressed relation of axle journal 5 and slide block 11 more stable, can not produce impact force.
The upper end of piston rod 9 and piston 4 are connected, and the lower end of piston rod 9 and sliding sash 10 are connected, and in sliding sash 10, offer along bent axle 3 chute 18 radially, and slide block 11 is slidably connected in chute 18, and slide block 11 and axle journal 5 are radially fixed and circumferentially be rotationally connected.The upper end of piston rod 9 can be connected and need not be hinged with piston 4, make both stability better, because lower end and the sliding sash 10 of piston rod 9 is connected, both stability is also very good, owing in sliding sash 10, being provided with chute 18 and slide block 11, make slide block 11 can move along chute 18 when the axle journal 5 of bent axle 3 rotates, thereby for being connected, the upper end portion of piston rod 9 and piston 4 provide condition, the advantage of this programme is that the stability of connection of top and bottom of piston rod 9 is very good, and slide block 11 is also fine along the stability that chute 18 moves.The underpart of piston rod 9 is connected on the upper-end surface of sliding sash 10, between the upper-end surface of piston rod 9 and sliding sash 10, be provided with a pair of stiffening rib 13, two stiffening ribs 13 distribute along the length direction of chute 18, stiffening rib 13 is separately positioned on the both sides of piston rod 9, and the two ends of stiffening rib 13 are connected in respectively on the upper-end surface of the sidepiece of piston rod 9 and sliding sash 10.Due to stressed larger between piston rod 9 and sliding sash 10 and along the radial direction of bent axle 3, increase this towards stiffening rib 13 after can improve both join strength, the effect of stiffening rib 13 is the component of sharing along chute 18 length directions.
As preferred version, piston rod 9, piston 4 and sliding sash 10 all are connected as a single entity, and the three is the integral type structure, and sliding sash 10 is two, and 3, two sliding sashes 10 of each sliding sash 10 corresponding bent axle are set up in parallel and are fixed with one.Because the two ends up and down of piston rod 9 are all that be connected rather than hinged, so the three can be made of one the formula structure, adopt the mode moulding of machining or casting, further improve three's intensity, two sliding sashes 10 are fixed with one and can further guarantee the synchronous of two piston rods, 9 actions, the radial force of two bent axles 3 of auxiliary balance.
In the present embodiment, the quality of bent axle is 35 kilograms.
Embodiment three:
As shown in figure 22, the present embodiment general contents is identical with embodiment two, institute's difference is, in the present embodiment, as another kind of scheme, every corresponding two cylinders 2 of bent axle 3, during use, bent axle 3 and cylinder 2 are all that the axis along continuous straight runs keeps flat, two cylinders 2 lay respectively at the two ends of bent axle 3 and are symmetric, two piston rods 9 that the piston 4 of each cylinder 2 is fixed with 9, bent axle 3 correspondences of a piston rod are connected in respectively the rear and front end of sliding sash 10, and these two piston rods 9 are positioned on same axis.In the present embodiment, piston stroke 93mm, the weight of bent axle 3 is 55 kilograms.The advantage of the present embodiment is, because the rear and front end of a bent axle is equipped with a cylinder 2, there is active force at 9 pairs of sliding sash 10 two ends of piston rod, makes this driver element can horizontal positioned, thereby increased the use occasion of this driver element.
Embodiment four:
As shown in Figure 23-30, the present embodiment general contents is identical with embodiment one, and institute's difference is, in the present embodiment, as another kind of scheme, the internal combustion engine use in the present embodiment is on steamer, its bent axle 3 every 80 tons, 3.7 meters of piston strokes, 1.3 meters of axle journal 5 diameters on bent axle 3.
The inner of a bent axle 3 in the present embodiment is fixed with gear 1, the inner of another bent axle 3 is fixed with gear 2 15, gear 1 and gear 2 15 are meshed, the front end of two bent axles 3 all is fixed with screw rod 19, two screw rods 19 rotate the power that forms outside draining in opposite directions, and inner water is squeezed to the outer end of this screw rod 19.In the present embodiment, piston 4 is connected with a piston rod 9, and the axle journal 5 of the lower end of kinematic link 8 and bent axle 3 is hinged, and the lower end of the upper end of kinematic link 8 and piston rod 9 is hinged, and the upper end of this piston rod 9 and piston 4 are connected and are the integral type structure.
The benefit of the present embodiment is: can use the occasion at the internal-combustion engine of this large functions such as steamer.Two driver elements 1 are installed in parallel in together according to axis, form the bent axle self balancing.Two driver elements 1 are fixed connection by bolt.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.

Claims (10)

1. the driver element of the internal-combustion engine of a double-crankshaft self balancing, it is characterized in that, this driver element (1) comprises cylinder (2) and a pair of bent axle (3), in cylinder (2), has piston (4), on bent axle (3), has axle journal (5), two bent axles (3) axis is parallel and be arranged side by side, between two bent axles (3), be provided with and can make both keep same rotational speed to rotate in opposite directions and can transmit for both the linking mechanism one (6) of radial force, between described axle journal (5) and piston (4), be provided with and can make piston (4) drive the driving mechanism (7) that described bent axle (3) circumferentially rotates, axle journal (5) on two bent axles (3) is symmetric.
2. the driver element of the internal-combustion engine of a kind of double-crankshaft self balancing according to claim 1, it is characterized in that, described driving mechanism (7) comprises kinematic link (8), the upper end portion of described kinematic link (8) and described piston (4) are hinged, and the axle journal (5) on the underpart of described kinematic link (8) and described bent axle (3) is hinged.
3. a kind of driver element of internal-combustion engine of double-crankshaft self balancing according to claim 1, it is characterized in that, described driving mechanism (7) comprises piston rod (9), sliding sash (10) and slide block (11), the upper end of described piston rod (9) and described piston (4) are connected, the lower end of described piston rod (9) and described sliding sash (10) are connected, in described sliding sash (10), offer along bent axle (3) chute (18) radially, described slide block (11) is slidably connected in described chute (18), described slide block (11) and described axle journal (5) are radially fixed and circumferentially are rotationally connected.
4. the driver element of the internal-combustion engine of a kind of double-crankshaft self balancing according to claim 3, it is characterized in that, in the middle part of described slide block (11), offer the mounting hole (12) that bore and described axle journal (5) diameter match, described axle journal (5) is plugged in described mounting hole (12).
5. according to the driver element of the internal-combustion engine of the described a kind of double-crankshaft self balancing of the arbitrary claim of claim 1 to 4, it is characterized in that, each cylinder (2) has a piston (4), and each bent axle (3) has an axle journal (5).
6. according to the driver element of the internal-combustion engine of the described a kind of double-crankshaft self balancing of claim 3 or 4, it is characterized in that, the underpart of described piston rod (9) is connected on the upper-end surface of described sliding sash (10), between the upper-end surface of described piston rod (9) and sliding sash (10), be provided with a pair of stiffening rib (13), two stiffening ribs (13) distribute along the length direction of chute (18), described stiffening rib (13) is separately positioned on the both sides of piston rod (9), the two ends of described stiffening rib (13) are connected in respectively on the upper-end surface of the sidepiece of described piston rod (9) and sliding sash (10).
7. according to the driver element of the internal-combustion engine of the described a kind of double-crankshaft self balancing of claim 3 or 4, it is characterized in that, described piston rod (9), piston (4) and described sliding sash (10) all are connected as a single entity, the three is the integral type structure, described sliding sash (10) is two, the corresponding bent axle (3) of each sliding sash (10), two sliding sashes (10) are set up in parallel and are fixed with one.
8. according to the driver element of the internal-combustion engine of the described a kind of double-crankshaft self balancing of the arbitrary claim of claim 1 to 4, it is characterized in that, described linking mechanism one (6) comprises tooth section one (14) and the tooth section two (15) be separately positioned on two bent axles (3) side, described tooth section one (14) and tooth section two (15) be circumferentially being uniformly distributed along corresponding bent axle (3) all, described tooth section one (14) and tooth section two (15) are the integral type structure with corresponding bent axle (3), and described tooth section one (14) and tooth section two (15) are meshed.
9. according to the driver element of the internal-combustion engine of the described a kind of double-crankshaft self balancing of the arbitrary claim of claim 1 to 4, it is characterized in that, described linking mechanism one (6) comprises gear one and gear two, described gear one and two respectively with bent axles of gear (3) are coaxially fixing, and described gear one and gear two directly mesh or indirectly mesh by intermediate gear.
10. according to the internal-combustion engine of the described a kind of double-crankshaft self balancing of the arbitrary claim of claim 1 to 9, this internal-combustion engine comprises casing (17), it is characterized in that, in described casing (17), be provided with some driver elements (1), the axis of the bent axle (3) of all driver elements (1) is parallel mutually, each driver element (1) distributes side by side, between the bent axle (3) of adjacent two driver elements (1), be provided with and can make both keep the linking mechanism two (16) of same rotational speed, middle corresponding bent axle (3) corner of each driver element (1) staggers successively and forms identical phase difference.
CN201310354105.2A 2013-08-14 2013-08-14 The internal combustion engine of a kind of double-crankshaft self-balancing and driver element thereof Expired - Fee Related CN103410611B (en)

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US9732615B2 (en) 2014-07-03 2017-08-15 Daniel Sexton Gurney Moment-cancelling 4-stroke engine

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US9732615B2 (en) 2014-07-03 2017-08-15 Daniel Sexton Gurney Moment-cancelling 4-stroke engine
WO2017007730A1 (en) * 2015-07-09 2017-01-12 Gurney Daniel Sexton Moment-cancelling 4-stroke engine systems

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