CN100504052C - Rotating straight axle four-stroke piston engine device - Google Patents
Rotating straight axle four-stroke piston engine device Download PDFInfo
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- CN100504052C CN100504052C CNB2006100989423A CN200610098942A CN100504052C CN 100504052 C CN100504052 C CN 100504052C CN B2006100989423 A CNB2006100989423 A CN B2006100989423A CN 200610098942 A CN200610098942 A CN 200610098942A CN 100504052 C CN100504052 C CN 100504052C
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- piston
- cambered surface
- surface section
- dead center
- pinch roller
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- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 13
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 241000009298 Trigla lyra Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention relates to a rotary direct-axis 4-stroke piston type engine, which comprises a cylinder block, a cylinder head and a piston, and is characterized in that at the lower part of the cylinder block, a bearing seat for piston couplings and a direct-axis box are provided; in the direct-axis box, a rotary direct axis is mounted, on which at least 4 active cams and a fly wheel are arranged; the active cams are corresponding to the cylinders on the cylinder block; the lower part of the piston is provided with a piston coupled axis, the bottom end of which is provided with a pinch roller mechanism, which comprises a pinch-roller seat, a main pinch roller and a secondary pinch roller; in the bearing seat for piston couplings, at least 4 coupled bearings are provided; the piston couplings are mounted in the coupled bearings; between the piston couplings, a returning and stabilizing balancer is hinged; the pinch roller mechanism presses in a touched way on the active cam.
Description
Technical field
The present invention relates to a kind of rotating straight axle four-stroke piston engine device, this engine device adopts rotating straight axle and cam mechanism to replace traditional connecting rod, has improved the efficient and the power of motor.
Background technique
Traditional four-stroke piston engine device all adopts connecting rod as power take-off mechanism, and this motion of mechanism characteristic is that an end is done relatively-stationary straight line motion, and the other end then is to do the motion that swings with the circular movement track.The circular movement orbital radius is big more, and the boundary dimension of connecting rod is also just big more, normally more than the twice of radius of motion, and generally can be less than diameter.Bent axle and connecting rod are indivisible communities, it is the important component part that straight line motion is transformed into the driving mechanism of circular movement, bent axle is a transmission shaft that different axle center are arranged, the distance between shafts in these different axle center, with the size of driving force and bearing capacity inseparable relation is arranged, when bearing capacity big, when power was constant, this distance between shafts also just required greatly, in other words, when this distance between shafts big, when bearing capacity was constant, required driving force was just little, but had produced the other problem equally again, the one, the volume and weight of parts all will increase many, the 2nd, because the increasing of distance between shafts, movement locus is just big, so realization at a high speed is just very difficult, the 3rd, the increase of volume and weight, the kinetic energy consumption that engine dry weight is produced strengthens.So fitness for purpose is adapting to reduced volume under the condition of need of work as much as possible in when design.Therefore, need to propose a kind of novel rotating straight axle four-stroke piston engine device.
Summary of the invention
The object of the present invention is to provide a kind of rotating straight axle four-stroke piston engine device, this engine device adopts rotating straight axle and cam mechanism to replace traditional connecting rod, has improved the efficient and the power of motor.
The objective of the invention is to realize: a kind of rotating straight axle four-stroke piston engine device by following technical proposals, include cylinder block, cylinder head, piston, piston Coupling bearing seat and d-axis case are equipped with in described cylinder block bottom, a rotating straight axle is housed in this d-axis case, at least be provided with four source moving cam mechanisms and a flywheel on this rotating straight axle, described source moving cam mechanism and the corresponding one by one setting of cylinder on the described cylinder block; Described piston bottom is provided with the piston connecting shaft, and pressing wheel mechanism is equipped with in this piston connecting shaft bottom, and this pressing wheel mechanism comprises pinch roller seat, main pinch roller and secondary pinch roller; At least be provided with four Coupling bearings in the described piston Coupling bearing seat, described piston connecting shaft is installed in this Coupling bearing; Hinged installation return stable equilibrium mechanism between the described piston connecting shaft; Described pressing wheel mechanism presses on the working surface of source moving cam mechanism.
Compared with the prior art the present invention has following advantage;
1, because the stroke ratio of piston of the present invention in cylinder is shorter,, significantly reduces the waste gas discharge capacity than crank engine with under the constant power.
2, because piston of the present invention and piston connecting shaft only move back and forth along cylinder, do not produce and swing, improved the stationarity of running effectively.
3, owing to the easier realization high pulling torque of cam structure of the present invention, moment of torsion is constant relatively simultaneously, in a large number fuel saving.
4, because the stroke ratio of piston of the present invention in cylinder is shorter, for the design high speed engine provides advantageous conditions.
5, because the axle of outputting power of the present invention is the rotating straight axle structure, and moving cam mechanism in source is again an individual part, therefore, low cost of manufacture.
6, because the lower dead center of source of the present invention moving cam mechanism has a transition cambered surface stably, and piston has a stop in lower dead center, can make the fuel back discharging of thoroughly burning, improved the environmental-protecting performance of motor.
7, because the present invention adopts source moving cam mechanism and return stable equilibrium mechanism, piston ring movement environment quite stable, the destruction of the power that do not swing, therefore, the life-span improves greatly.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1, be structural representation of the present invention
Fig. 2, be rotating straight axle structural representation of the present invention
Fig. 3, be source of the present invention moving cam mechanism structure signal (the B-B sectional view of Fig. 2)
Fig. 4, be return stable equilibrium structural scheme of mechanism of the present invention (the A-A sectional view of Fig. 1)
Fig. 5, be equalizer structural representation of the present invention
Fig. 6, be equalizer plan view of the present invention
Fig. 7, be piston Coupling bearing seat schematic representation of the present invention
Fig. 8, be equalizer bearing schematic representation of the present invention (the F-F sectional view of Fig. 7)
Fig. 9, be return stable equilibrium mechanism side view of the present invention (the D-D sectional view of Fig. 4)
Figure 10, be device intake process schematic representation of the present invention
Figure 11, be device compression process schematic representation of the present invention
Figure 12, be device combustion process schematic representation of the present invention
Figure 13, be device exhaust process schematic representation of the present invention
Figure 14, be the equalizer schematic representation of another kind of structure
Embodiment
Referring to Fig. 1 to Fig. 4, (Fig. 1 is the C-C sectional view of Fig. 4) piston engine device of the present invention, include cylinder block 1, cylinder head (not illustrating among the figure), piston 3, piston Coupling bearing seat 5 and d-axis case 6 are equipped with in described cylinder block bottom, a rotating straight axle 7 is housed in this d-axis case, at least be provided with four source moving cam mechanisms 8 and a flywheel (not illustrating among the figure) on this rotating straight axle, described source moving cam mechanism and the corresponding one by one setting of cylinder 2 on the described cylinder block; Described piston bottom is provided with piston connecting shaft 4, and pressing wheel mechanism 9 is equipped with in this piston connecting shaft bottom, and this pressing wheel mechanism comprises pinch roller seat, main pinch roller and secondary pinch roller; At least be provided with four Coupling bearings in the described piston Coupling bearing seat, described piston connecting shaft is installed in this Coupling bearing; Hinged installation return stable equilibrium mechanism 20 between the described piston connecting shaft; Described pressing wheel mechanism presses on the working surface of source moving cam mechanism.
In the present invention, described cylinder block, cylinder head, distribution device, ignition system and traditional four-stroke piston engine structure are basic identical, four cylinders in upright arrangement or six cylinders on the cylinder block, and cylinder block is provided with cooling water channel and cylinder liner.Present embodiment adopts four cylinders in upright arrangement.Described cylinder head comprises valve, camshaft mechanism and fitting seat thereof, air inlet and exhaust piper, spark plug mounting hole.The difference of the present invention and prior art is that piston Coupling bearing seat and d-axis case are equipped with in the cylinder block bottom, and the rotating straight axle of power transmission is installed in this d-axis case.The part identical with conventional construction is not described in detail.
Referring to Fig. 7, Fig. 8, four Coupling bearings 502 are set on the piston Coupling bearing seat, be provided with a plurality of oil, gas passage 503 around this bearing, these piston Coupling bearing seat both sides are provided with two equalizer bearings 501.
Referring to Figure 10, the pressing wheel mechanism in the present embodiment comprises pinch roller seat 901, main pinch roller 902, secondary pinch roller 903.Pinch roller seat top is provided with the axle bed with the assembling of piston connecting shaft, and the bottom is provided with wheel storehouse 904 and axle hole, and main pinch roller and secondary pinch roller are installed in the wheel storehouse by wheel shaft, and wheel shaft is fixed in the axle hole, and main pinch roller and secondary pinch roller can wheel shaft be that freely rotate at the center.
Referring to Fig. 2, Fig. 3, rotating straight axle is the member that the piston motion work done is externally exported, source moving cam mechanism and flywheel are housed on the rotating straight axle, source moving cam mechanism 8 can adopt integrative-structure with rotating straight axle 7, also can adopt assembly structure, in the present embodiment, moving cam mechanism in source adopts discrete design of part, and moving cam mechanism in source is by the spline mount on spline and the rotating straight axle.For four cylinder engine, rotating straight axle adopts 24 tooth splines.
Referring to Fig. 2, Fig. 3, moving cam mechanism in source is the member that the line source power that piston produces is changed into rotation torque, and described source moving cam mechanism is made of cam 801, spline 806, counterweight 805.Described cam is the radial cam, this cam profile is structure axisymmetricly, the rotating center of this cam is positioned on the described symmetry axis, rotating center section far away along symmetry axis is the cam top, nearly rotating center section along symmetry axis is the cam bottom, the cam top is provided with top dead center cambered surface section 802, the cam bottom is provided with lower dead center cambered surface section 803, between top dead center cambered surface section and lower dead center cambered surface section, variable curvature cambered surface section 804 is set, this variable curvature cambered surface section adopts Archimedes spiral curvature or involute curvature, described two kinds of curved sections joint rounding ofves.Top dead center cambered surface section and lower dead center cambered surface section all are iso-curvature cambered surface sections.The center of described spline overlaps setting with the rotating center of cam.Spline and the corresponding setting of spline on the rotating straight axle adopt 24 keyways.
In the present embodiment, described top dead center cambered surface section is 0.27～0.45 radian, and described lower dead center cambered surface section is 0.49～0.56 radian.Variable curvature cambered surface section adopts third and fourth quadrant inner curve of Archimedes spiral.
The purpose that top dead center cambered surface section 802 and lower dead center cambered surface section 803 are set is when making piston operate in top dead center and bottom dead center position in cylinder, enter one section steady breeze way, make piston that a brief stay be arranged, guarantee that fuel oil fully burns and waste gas fully discharges in cylinder; Adopt the variable curvature cambered surface section of Archimedes spiral or involute can make piston promotion rotating straight axle do the constant speed rotation.
Referring to Fig. 2, in the present embodiment, there is fixing phase place that relation and kinematic relation are installed between four source moving cam mechanisms, from left to right, first source moving cam mechanism is identical with the 4th source moving cam mechanism phase place, second source moving cam mechanism is identical with the 3rd source moving cam mechanism phase place, 180 ° of the phase differences mutually of first source moving cam mechanism and second source moving cam mechanism.
Referring to Fig. 1, in the present embodiment, the rotating center of cam overlaps with the rotating center of rotating straight axle, and the rotating center of cam is positioned at cylinder centerline one side, and the distance of rotating center and cylinder centerline is 1/4th of a cylinder bore.The secondary pinch roller axle center in the pressing wheel mechanism and the rotating center of cam are positioned on the same vertical line.
Referring to Fig. 4, in the in-line four cylinder motor, the piston in four cylinders all is to finish a stroke in four strokes separately according to certain sequence, and the every Rotate 180 of rotating straight axle ° is just realized once igniting once more.Because the internuncial rolling of pressing wheel mechanism and cam right and wrong cooperates, the aspirating stroke motion of a certain piston need provide power by return stable equilibrium mechanism by another piston, drives this piston and finishes aspirating stroke.
Referring to Fig. 4, Fig. 5, Fig. 6, Fig. 9,, connect by return stable equilibrium mechanism 20 between the described piston connecting shaft in order to guarantee the steady of piston proper functioning and motion; A hinged return stable equilibrium mechanism between the piston connecting shaft of first cylinder and the piston connecting shaft of the 3rd cylinder; A hinged return stable equilibrium mechanism between the piston connecting shaft of second cylinder and the piston connecting shaft of four-cylinder; This return stable equilibrium mechanism is made of shift fork 24, equalizer 23, connecting rod bearing 25, and the two ends of equalizer respectively are provided with a shift fork.Bearing pin 22 on shift fork and the piston connecting shaft is hinged, and equalizer is contained on the trunnion shaft 21 by the connecting rod bearing hinge, and trunnion shaft is fixed on the equalizer bearing 501 of piston Coupling bearing seat both sides.
Referring to Figure 14, the figure illustrates the equalizer of another kind of structure, this equalizer is made of connecting rod bearing 26, symmetrical guide rod 28, sliding sleeve 29, bearing housing 27.Bearing housing and bearing pin 22 hinge dresses, connecting rod bearing and trunnion shaft hinge dress.
Referring to Figure 10 to Figure 13, the figure illustrates four-stroke job order of the present invention and working state, when moving cam mechanism in source rotated to 165 ° of positions, cylinder is in the air inlet fuel feeding to be finished, and enters compressive state; When moving cam mechanism in source rotated to 193 ° of positions, cylinder is in compression to be finished, and enters fired state; When moving cam mechanism in source rotated to 375 ° of positions, cylinder was in the burning done state; When moving cam mechanism in source rotates to 527 ° of positions, the depressed bundle of inblock cylinder.The job order and the prior art of four-cylinder in upright arrangement of the present invention are identical, do not describe at this.
In one embodiment of the invention, motor adopts in-line four cylinder eight air valve structures, the diameter of cylinder is 86 millimeters, the center distance of cylinder is 94 millimeters, depth pistion is 38 millimeters, the piston range is 54 millimeters, and major and minor pinch roller diameter all is 40 millimeters, and main pinch roller and secondary pinch roller spacing are 42 millimeters.Rotating straight axle be centered close to cylinder centerline one side, the center of rotating straight axle and the distance of cylinder centerline are 21 millimeters.Cam in the moving cam mechanism of source adopts axially symmetric structure, the rotating center of this cam is positioned on the described symmetry axis, cam distance from top rotating center is 84 millimeters, cam distance from bottom rotating center is 30 millimeters, the radius of curvature of the top dead center cambered surface section at cam top is 54 millimeters, the cambered surface section is 0.28 radian, the radius of curvature of the lower dead center cambered surface section of cam bottom is 30 millimeters, the cambered surface section is 0.5 radian, the variable curvature cambered surface section of cam both sides adopts third and fourth quadrant introversion line segment of Archimedes spiral, described two kinds of curved sections joint rounding ofves.The Archimedes spiral radius of curvature and functional relation angle are the P=0.23A millimeters, and wherein A is an angle.The electrical system of motor, ignition system, oil supply system, cooling system, gas distribution system, vent systems, timing system are identical with prior art, do not describe.
Claims (5)
1, a kind of rotating straight axle four-stroke piston engine device, include cylinder block, cylinder head, piston, it is characterized in that: piston Coupling bearing seat and d-axis case are equipped with in described cylinder block bottom, a rotating straight axle is housed in this d-axis case, at least be provided with four source moving cam mechanisms and a flywheel on this rotating straight axle, described source moving cam mechanism and the corresponding one by one setting of cylinder on the described cylinder block; Described piston bottom is provided with the piston connecting shaft, and pressing wheel mechanism is equipped with in this piston connecting shaft bottom, and this pressing wheel mechanism comprises pinch roller seat, main pinch roller and secondary pinch roller; At least be provided with four Coupling bearings in the described piston Coupling bearing seat, described piston connecting shaft is installed in this Coupling bearing; Hinged installation return stable equilibrium mechanism between the described piston connecting shaft; Described return stable equilibrium mechanism is made of shift fork, equalizer and connecting rod bearing; Described pressing wheel mechanism presses on the working surface of source moving cam mechanism.
2, piston engine device according to claim 1 is characterized in that: described source moving cam mechanism working surface is provided with top dead center cambered surface section, lower dead center cambered surface section; Between top dead center cambered surface section and lower dead center cambered surface section, variable curvature cambered surface section is set.
3, piston engine device according to claim 2 is characterized in that: described variable curvature cambered surface section adopts Archimedes spiral curvature.
4, piston engine device according to claim 2 is characterized in that: described variable curvature cambered surface section adopts involute curvature.
5, piston engine device according to claim 2 is characterized in that: described top dead center cambered surface section is 0.27～0.45 radian, and described lower dead center cambered surface section is 0.49～0.56 radian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100989423A CN100504052C (en) | 2006-07-18 | 2006-07-18 | Rotating straight axle four-stroke piston engine device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100989423A CN100504052C (en) | 2006-07-18 | 2006-07-18 | Rotating straight axle four-stroke piston engine device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101109323A CN101109323A (en) | 2008-01-23 |
| CN100504052C true CN100504052C (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100989423A Expired - Fee Related CN100504052C (en) | 2006-07-18 | 2006-07-18 | Rotating straight axle four-stroke piston engine device |
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| CN (1) | CN100504052C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470816B (en) * | 2017-09-07 | 2024-03-12 | 中冶长天国际工程有限责任公司 | Test sample collecting and discharging device of sinter detection equipment |
| CN108518294B (en) * | 2018-03-29 | 2023-11-10 | 海茵茨曼动力控制（嘉兴）有限公司 | Rotary position detection actuator for ignition control of gas engine |
| CN108825374B (en) * | 2018-06-15 | 2022-04-01 | 郝凤成 | Swing arm type two-stroke straight shaft internal combustion engine |
| CN112049726A (en) * | 2020-09-17 | 2020-12-08 | 徐玉国 | Cam tappet type engine |
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| Publication number | Publication date |
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| CN101109323A (en) | 2008-01-23 |
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Owner name: BEIJING TUZHENG LABORATORY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN XIN Effective date: 20150417 |
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Free format text: CORRECT: ADDRESS; FROM: 100023 CHAOYANG, BEIJING TO: 102407 FANGSHAN, BEIJING |
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Effective date of registration: 20150417 Address after: 102407 F block 1, Jinyuan Avenue, Chang Gou Town, Beijing, Fangshan, 110 Patentee after: BEIJING TUZHENG LABORATORY TECHNOLOGY CO., LTD. Address before: 100023 Beijing Chaoyang District city two District 1 Fatou Gate No. 9 Patentee before: Chen Xin |
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Effective date of registration: 20180626 Address after: 100007 Hutong No. 52, new Taicang, Dongcheng District, Beijing Patentee after: Chen Xin Address before: 102407 F 1, Jinyuan street, Chang Gou Town, Fangshan District, Beijing, 110 Patentee before: BEIJING TUZHENG LABORATORY TECHNOLOGY CO., LTD. |
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