CN102877942A - Two-phase outer cam sleeve type high-rotational-speed internal-combustion engine - Google Patents
Two-phase outer cam sleeve type high-rotational-speed internal-combustion engine Download PDFInfo
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- CN102877942A CN102877942A CN201210392526XA CN201210392526A CN102877942A CN 102877942 A CN102877942 A CN 102877942A CN 201210392526X A CN201210392526X A CN 201210392526XA CN 201210392526 A CN201210392526 A CN 201210392526A CN 102877942 A CN102877942 A CN 102877942A
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Abstract
The invention discloses a two-phase outer cam sleeve type high-rotational-speed internal-combustion engine, and relates to the field of power of fuel gas. The invention provides a novel internal-combustion engine. Eight cylinders are annularly, symmetrically and uniformly distributed around an outwards convex inner gear ring, so that resultant force from which the outwards convex inner gear ring is suffered is zero; pistons of the cylinders directly act on the outwards convex inner gear ring through push rods; and power is transferred to an output shaft connected with a symmetric two-phase cam through a key by the outwards convex inner gear ring through the drive of a two-phase outer cam type sleeve oscillating tooth. By using the internal-combustion engine, a connecting rod and a crankshaft in a conventional internal-combustion engine are omitted; a two-phase outer cam sleeve driving mechanism of the outwards convex inner gear ring of the internal-combustion engine does not have an eccentric mass; the internal-combustion engine has the characteristic of the self balancing of inertia force and a working load; the rotational speed of the output shaft depends on the drive ratio of the drive of the oscillating tooth; if a dowel pin frame is fixedly arranged, the symmetric two-phase cam carries out output at a high speed; the internal-combustion engine can be widely applied to the field of high rotational speeds, such as engines of helicopters, and miniature engines; and when an output rotational speed is constant, the emission of harmful gas can be reduced. The internal-combustion engine is simple and compact in structure, small in axial dimension and self-balancing in stress, and is stable to run.
Description
Technical field
The present invention relates to the gas power field, more particularly, is the telescopic high rotating speed internal-combustion engine of a kind of two-phase external cam.
Background technique
At present, general internal-combustion engine (motor) all is comprised of body, connecting rod, distribution device, cooling system, lubrication system, oil-fired system and ignition system etc., and that working procedure is divided is air-breathing, compression, work by combustion, four strokes of exhaust.What the driving mechanism of this class internal-combustion engine used all is connecting rod, by connecting rod with the transmission of power of piston to bent axle, and change the linear reciprocating motion of piston into bent axle rotatablely move.Because this internal-combustion engine is to oppress by the plane motion of the straight line motion of piston and connecting rod to order about bent axle and rotate, and exists larger friction between each kinematic pair thereby cause, and causes the internal-combustion engine transmission efficiency low.These existing crankshaft-link rod type internal-combustion engines also have following major defect: volume is large; Uneven centrifugal force on connecting rod, the bent axle is larger; Impact greatly, vibration is large; And cause thus larger mechanical wear, internal-combustion engine life-span is shortened; Complex structure, processing, manufacturing, assembling etc. are all relatively more difficult; In addition, general internal-combustion engine and speed change gear are two independently machines, and internal-combustion engine needs the other speed changer of installing to be used for follow-up speed change usually, causes bulky.
Summary of the invention
The objective of the invention is: the above-mentioned shortcoming that exists for overcoming existing crankshaft-link rod type internal-combustion engine, the invention provides a kind of simple and compact for structure, volume is little, impact shock is little, smooth running, power is large, the life-span is long, efficient is high high speed quartastroke engine---the telescopic high rotating speed internal-combustion engine of two-phase external cam.
The present invention is that the technological scheme that its technical problem of solution is taked is: the telescopic high rotating speed internal-combustion engine of a kind of two-phase external cam mainly is comprised of cylinder head (1), exhaust valve (2), intake valve (3), cylinder (4), cylinder body (5), push rod (6), piston (7), spring (8), roller (9), evagination ring gear (10), movable sleeve tooth (11), pin frame (12), symmetrical two-phase cam (13), pin (14), output shaft (15) and starting system, cooling system, oil supply system, lubrication system, gas distribution system etc.It is characterized in that: eight cylinders (4) circular symmetric be evenly arranged in evagination ring gear (10) around, two-phase external cam sleeve driving mechanism changes the linear reciprocating motion of piston into output shaft (15) rotatablely move in the evagination---and cylinder piston (7) directly acts on the evagination ring gear (10) by push rod (6), promote evagination ring gear (10) rotation, power is passed to the output shaft (15) of symmetrical two-phase cam (13) key connecting through the wheeled movable sleeve tooth transmission of two-phase evagination by evagination ring gear (10) and is exported.
In technique scheme, two-phase external cam sleeve driving mechanism is organically combined by cam mechanism and the wheeled movable sleeve tooth driving mechanism of two-phase evagination in the evagination.Wherein, cam mechanism is by cylinder body (5), piston (7), spring (8), push rod (6), evagination ring gear (10), roller (9) forms, one end of push rod (6) and piston (7) are fixedly connected, the other end is installed roller (9), roller (9) makes between push rod (6) and the evagination ring gear (10) and connects for rolling friction, one end of spring (8) is fixed on below the piston (7), the other end is fixed on the boss of cylinder bottom, spring (8) contacts the roller (9) on the push rod all the time with evagination ring gear (10), each cylinder is furnished with piston, push rod and spring with roller.
The wheeled movable sleeve tooth driving mechanism of two-phase evagination is by evagination ring gear (10), movable sleeve tooth (11), pin frame (12), symmetrical two-phase cam (13), pin (14) and output shaft (15) form, the outer surface of evagination ring gear (10) is four phase cam profiles, inside is the ring gear toothed surface in the wheeled movable sleeve tooth driving mechanism of two-phase evagination, so evagination ring gear (10) is the cam in the cam mechanism, it is again the ring gear in the wheeled movable sleeve tooth driving mechanism of two-phase evagination, the wheeled movable sleeve tooth driving mechanism of whole two-phase evagination is built in the inside of evagination ring gear (10), evagination ring gear (10) organically unites two into one internal-combustion engine and the wheeled movable sleeve tooth transmission of two-phase evagination, and making internal-combustion engine need not to be equipped with speed changer can export at a high speed again.Symmetrical two-phase cam (13) self shape is 180 ° of Central Symmetries, the sole mass complete equilibrium, and its profilogram is the standard ellipse curve, or is the two-phase cosine curve, or is two eccentric arc curves.
The outer surface cam profile curve of evagination ring gear (10) can be selected according to the actual design needs, to obtain best dynamic performance, improves the energy conversion efficiency of internal-combustion engine.The shaft axis of the parts such as output shaft (15), evagination ring gear (10), pin frame (12) and symmetrical two-phase cam (13) overlaps and is supported by rack bearing.The tooth number Z of movable sleeve tooth
11Wave number Z with evagination ring gear (10)
10Differ is 2, pin frame (12) connects firmly with frame, symmetrical two-phase cam (13) and output shaft (15) key connecting, movable sleeve tooth (11) is the cylinder type hollow sleeve, pin frame (12) circumferential uniform also is fixed with several pins (14), movable sleeve tooth (11) is sleeved on the circumferential uniform pin (14) on the pin frame (12), the external cylindrical surface engagement of the upper uniform pin (14) of the inner cylindrical surface of movable sleeve tooth (11) and pin frame (12), the outer surface of the external cylindrical surface of movable sleeve tooth (11) and symmetrical two-phase cam (13), evagination ring gear (10) is meshed respectively and respectively forms a higher pair.
In technique scheme, the outside of evagination ring gear (10) is to have four four phase cams that are mutually the projection of 90 ° of angles and axle center symmetry, eight cylinders (4) circular symmetric be distributed on evagination ring gear (10) around, wherein any two 180 ° of cylinder pistons that are arranged symmetrically with (7) working staties of being separated by are synchronous, two cylinder pistons that working state is synchronous are as one group, four groups of cylinder pistons carry out suction stroke successively, compression stroke, gaseous combustion expansion stroke and exhaust stroke, the stroke of piston process of two adjacent groups cylinder is 45 ° corresponding to the phase difference of evagination ring gear (10) corner.Cylinder piston (7) directly acts on the evagination ring gear (10) by push rod (6), promote evagination ring gear (10) rotation, the ring gear toothed surface of evagination ring gear (10) promotes movable sleeve tooth (11) and rotates around the uniform pin that is fixed on the pin frame (12), and pin frame (12) is fixedly connected with frame, so movable sleeve tooth forces symmetrical two-phase cam (13) high speed rotating under the effect of contraction of pin frame, symmetrical two-phase cam (13) is realized at a high speed output with transmission of power to output shaft (15) by key connecting.The rotating speed of output shaft depends on the rotating speed of evagination ring gear and the velocity ratio of the wheeled movable sleeve tooth transmission of two-phase evagination, and suitably select the wheeled movable sleeve tooth transmission of two-phase evagination join the tooth scheme, can obtain less velocity ratio, can realize at a high speed output.In the wheeled movable sleeve tooth transmission of two-phase evagination, evagination ring gear (10) is multiple tooth engagement with movable sleeve tooth (11), so can realize relatively high power, steadily transmission.
Compared with the prior art main inventive point of the present invention is.
1. eight air cylinder annular symmetries are distributed on around the evagination ring gear, and cylinder piston directly acts on the evagination ring gear by push rod, and power is passed to output shaft output by the evagination ring gear through the wheeled movable sleeve tooth transmission of two-phase evagination.
2. the outside of evagination ring gear is to have four four phase cams that are mutually 90 ° of angle projections, and inside is the ring gear toothed surface structure of the wheeled movable sleeve tooth transmission of two-phase evagination, the wheeled movable sleeve tooth driving mechanism of two-phase evagination is built in the cam of cam mechanism, cam in the cam mechanism and the ring gear in the wheeled movable sleeve tooth driving mechanism of two-phase evagination are united two into one, obtain two-phase external cam sleeve driving mechanism in the evagination, and replace connecting rod in the existing crankshaft-link rod type internal-combustion engine with this new mechanism, the Oscillating Tooth Gear Reducer technology is introduced technical field of internal combustion engines, not only thoroughly removed crankshaft-and-connecting-rod, and internal-combustion engine and speed change gear (speed increaser) united two into one, obtained a kind of compact structure, small and exquisite novel high rotary speed power machine, compare with crankshaft-link rod type internal-combustion engine, internal-combustion engine axial dimension of the present invention reduces greatly, and under same rotational speed required, the discharging of harmful gas reduced greatly.
3. the pto＝power take-off of internal-combustion engine is the output shaft that connects with symmetrical two-phase cam key, the wheeled movable sleeve tooth transmission of two-phase evagination is by evagination ring gear input power, and the pin frame is fixed, symmetrical two-phase cam output, can realize less velocity ratio, internal-combustion engine high speed outputting power.
4. movable sleeve tooth is the cylinder type hollow sleeve, pin frame circumferential uniform also is fixed with several pins, movable sleeve tooth is sleeved on the circumferential uniform pin on the pin frame, the external cylindrical surface of uniform pin engagement on the inner cylindrical surface of movable sleeve tooth and the pin frame, the external cylindrical surface of movable sleeve tooth and evagination ring gear and the symmetrical two-phase cam formation higher pair that is meshed respectively.
5. the output shaft rotating speed depends on the velocity ratio of the wheeled movable sleeve tooth transmission of two-phase evagination, and suitably select the wheeled movable sleeve tooth transmission of two-phase evagination join the tooth scheme, can obtain less velocity ratio, and shock wave device is symmetrical two-phase cam, the tooth number Z of movable sleeve tooth
11Wave number Z with the evagination ring gear
10Differing is 2, does not need eccentric the installation, and whole mechanism is subjected to force self-balanced.
6. in the wheeled movable sleeve tooth transmission of two-phase evagination, evagination ring gear and movable sleeve tooth are multiple tooth engagement, so can realize relatively high power, steadily transmission.
The present invention compares with existing crankshaft-link rod type internal-combustion engine, has following useful technique effect.
1. impact shock is little, noise is little, smooth running
Because the present invention adopts two-phase external cam sleeve driving mechanism in the evagination to replace connecting rod in the existing crankshaft-link rod type internal-combustion engine, completely abolished crankshaft-and-connecting-rod, the wheeled movable sleeve tooth driving mechanism of evagination ring gear and two-phase evagination all is axially symmetric structure, there are not eccentric mass and uneven centrifugal force, eliminated because of bent axle mass eccentricity, connecting rod do inertial force and tilting moment and consequent impact shock and noise that plane motion causes, eliminated vibration and noise that the connecting rod beat causes the Piston impinging cylinder wall to cause; Eight air cylinder annular symmetries are distributed on around the evagination ring gear, wherein any two cylinder piston working staties of being arranged symmetrically with of being separated by 180 ° are synchronous, that is: or simultaneously air-breathing or simultaneously compression or simultaneously gaseous combustion acting or simultaneously exhaust, therefore, always paired appearance of impact force can be cancelled out each other, and it is zero that the evagination ring gear is made a concerted effort, so impact shock is less, thereby internal combustion engine operation is very steady.
Compact structure, volume is little, lightweight, axial dimension is little
Owing to cancelled the bent axle of bulky complex, each air cylinder annular symmetry is distributed on around the evagination ring gear, and the wheeled movable sleeve tooth driving mechanism of two-phase evagination is built in the evagination ring gear, the evagination ring gear is the cam in the cam mechanism, again the ring gear in the wheeled movable sleeve tooth driving mechanism of two-phase evagination, so Structure of Internal-Combustion Engine of the present invention is compact, axial dimension is little, volume is little, lightweight; The present invention adopts the power that two-phase external cam sleeve driving mechanism output piston produces in the evagination, and internal-combustion engine and speed change gear (speed increaser) are united two into one, and need not other distribution transforming speed variator, and structure is reduced greatly, so compact structure, small and exquisite.
3. transmission is smaller, the integrated speedup of complete machine, high rotating speed output
The pto＝power take-off of this internal-combustion engine is the output shaft that connects with symmetrical two-phase cam key, the wheeled movable sleeve tooth transmission of two-phase evagination is with evagination ring gear input power, the pin frame is fixed, symmetrical two-phase cam output, suitably select to join the tooth scheme, can realize less velocity ratio, and still keep the plurality of advantages such as compact structure, quality is little, volume is little.Internal-combustion engine high speed outputting power needing can be widely used in high-revolving field, such as helicopter engine, small generator etc.Higher rotating speed output when the demand rotating speed is certain, can greatly reduce the discharging of harmful gas, reaches the purpose of energy-saving and emission-reduction.
Fretting wear little, be subjected to force self-balanced, oil consumption is low, efficient is high, the life-span is long
Because the driving force of piston is directly passed to the evagination ring gear by the push rod roller and passes to output shaft output by the wheeled movable sleeve tooth transmission of two-phase evagination.For rolling friction connects, transmission efficiency is high between piston push rod and the evagination ring gear, has cancelled serious wear, connecting rod that friction power loss is large.The wheeled movable sleeve tooth transmission of two-phase evagination is that multiple tooth engagement, bearing capacity are larger, and transmission efficiency is high, and because of multiple tooth simultaneously engagement, output rigidity is large, and transmission is also more steadily reliable.Symmetrical two-phase cam can be realized shock wave and guarantee himself and the stressed autobalance of inner oscillating tooth simultaneously, in transmission device, do not exist in the poor Oscillating Tooth Gear Reducer of a tooth and because of off-centre inertial force, excitation force and the tilting moment etc. that shock wave device exists are installed, avoided the vibrational excitation of transmission device from transmission principle, thereby be conducive to improve the efficient of transmission, its efficiency value can reach more than 0.9.The mechanical friction wearing and tearing are also less, and oil consumption is low, and internal-combustion engine life-span is longer.
5. have good Economy, power character and exhaust index
Because the characteristics of motion of piston depends on the exterior contour curve of evagination ring gear fully, so can design cam profile by choosing appropriate piston movement rule, and appropriate piston movement rule should make abundant, perfect, the fuel thermal energy utilization ratio height of gaseous combustion in the cylinder, therefore, internal-combustion engine of the present invention has good power character, Economy and exhaust index, can reach the purpose of energy-conserving and environment-protective and raising gear efficiency.
6. simple in structure, good manufacturability, cost of production are low
Design of part in the internal-combustion engine of the present invention is simple, good manufacturability, cost of production are low, has completely abolished the crankshaft-and-connecting-rod of complex structure, manufacturing difficulty.
7. bearing capacity is larger, and rotating speed is steady
The wheeled movable sleeve tooth transmission of two-phase evagination is multiple tooth engagement, stable drive, and movable sleeve tooth can jointly be shared load and realize power dividing.So internal combustion engine operation is steady, the ability of opposing shock and vibration is stronger, and bearing capacity is large.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.But what particularly point out is; the specific embodiment of the present invention is not limited to the described form of following embodiment; the those skilled in the art is in the situation of not paying creative work; also can design at an easy rate other embodiment; therefore the embodiment of embodiment given below should be interpreted as protection scope of the present invention, protection scope of the present invention is limited in given embodiment.
Fig. 1 is the structural representation of the telescopic high rotating speed internal-combustion engine of two-phase external cam.
Fig. 2 is the schematic representation of evagination ring gear and the wheeled movable sleeve tooth driving mechanism of two-phase evagination.
Above-mentioned each attached picture in picture is known the sign of label to liking: 1 cylinder head, 2 exhaust valves, 3 intake valves, 4 cylinders, 5 cylinder bodies, 6 push rods, 7 pistons, 8 springs, 9 rollers, 10 evagination ring gears, 11 movable sleeve tooths, 12 pin framves, 13 symmetrical two-phase cams, 14 pins, 15 output shafts.
Specific embodiment
Fig. 1, the telescopic high rotating speed internal-combustion engine of two-phase external cam shown in Figure 2 is comprised of cylinder head (1), exhaust valve (2), intake valve (3), cylinder (4), cylinder body (5), push rod (6), piston (7), spring (8), roller (9), evagination ring gear (10), movable sleeve tooth (11), pin frame (12), symmetrical two-phase cam (13), pin (14), output shaft (15) etc.Eight cylinders (4) axle center symmetrically annular be distributed on evagination ring gear (10) around, the angle of adjacent two cylinders is 45 °.A piston (7) is arranged in each cylinder (4), one end of push rod (6) and piston (7) are consolidated, the other end is equipped with roller (9), it is that rolling friction connects that roller (9) makes connecting between push rod (6) and the evagination ring gear (10), one end of spring (8) is fixed on piston (7) bottom, the other end is fixed on the boss of cylinder (4) bottom, and the effect of spring (8) is that the roller (9) on the push rod (6) is contacted with evagination ring gear (10) all the time.The outside of evagination ring gear (10) is four phase cams with four projections that are mutually 90 ° of angles and axle center symmetry, and inside is the ring gear toothed surface.Evagination ring gear (10) is organically integrated cam mechanism and the wheeled movable sleeve tooth driving mechanism of two-phase evagination.Evagination ring gear (10) is the cam in the cam mechanism, is again the ring gear in the wheeled movable sleeve tooth driving mechanism of two-phase evagination, and the wheeled movable sleeve tooth driving mechanism of whole two-phase evagination is embedded in the inside of evagination ring gear (10).The profilogram of symmetrical two-phase cam (13) can be standard ellipse curve or two-phase cosine curve or two eccentric arc curve, so symmetrical two-phase cam (13) self shape is 180 ° of Central Symmetries, the sole mass complete equilibrium, the selection standard elliptic curve is the profilogram of symmetrical two-phase cam (13) in the present embodiment.The wheeled movable sleeve tooth driving mechanism of two-phase evagination is comprised of evagination ring gear (10), movable sleeve tooth (11), pin frame (12), symmetrical two-phase cam (13), pin (14), output shaft (15).Movable sleeve tooth (11) is the cylinder type hollow sleeve, pin frame (12) circumferential uniform also is fixed with several pins (14), movable sleeve tooth (11) is sleeved on the circumferential uniform pin (14) on the pin frame (12), the external cylindrical surface engagement of the upper uniform pin of the inner cylindrical surface of movable sleeve tooth (11) and pin frame (12), the external cylindrical surface of movable sleeve tooth (11) and the internal surface of evagination ring gear (10), symmetrical two-phase cam (13) the formation higher pair that is meshed respectively.Therefore internal-combustion engine of the present invention not only has the series of advantages of the wheeled movable sleeve tooth transmission of two-phase evagination, and structure is very compact.The outer surface cam profile curve of evagination ring gear (10) can be chosen different curves on demand.Present embodiment is made the cosine acceleration motion rule by piston (7) and is determined cam profile curve, namely when evagination ring gear (10) uniform rotation, piston (7) does reciprocating linear motion by the cosine acceleration motion rule, and its cycle of motion is 1/4th of evagination ring gear (10) period of rotation.The pto＝power take-off of present embodiment internal-combustion engine is the output shaft (15) that connects with symmetrical two-phase cam key, the wheeled movable sleeve tooth transmission of two-phase evagination is with evagination ring gear input power, and the pin frame is fixed, symmetrical two-phase cam output, can realize larger velocity ratio, but internal-combustion engine high speed outputting power.
The working principle of internal-combustion engine of the present invention is: when internal combustion engine, piston (7) in the gaseous combustion acting cylinder, its driving force acts on the evagination ring gear (10) by push rod (6) and roller (9), promote evagination ring gear (10) and be rotated counterclockwise, power is passed to output shaft (15) output by evagination ring gear (10) through the wheeled movable sleeve tooth driving mechanism of two-phase evagination; Because the rotation of evagination ring gear (10), roller (9) rolls and make push rod (6) and the piston (7) that not have to do work slides in cylinder (4) along the profile of evagination ring gear (10), finishes task air-breathing or pressurized gas or exhaust.In Fig. 1, with cylinder a and e, b and f, c and g, d and h each as one group, then can be divided into four groups of cylinders.If the piston among cylinder a, the e is in the initial position of suction stroke, piston among cylinder b, the f is in the initial position of compression stroke, piston among cylinder c, the g is in the initial position of gaseous combustion expansion stroke, piston among cylinder d, the h is in the initial position of exhaust stroke, the stroke process of two adjacent groups cylinder piston differs a stroke, is 45 ° corresponding to the phase difference of evagination ring gear (10) corner; Then evagination ring gear (10) turns over after 45 ° counterclockwise, cylinder b, the f acting that takes fire again, the evagination ring gear turns over after 45 ° more counterclockwise, cylinder a, the e acting that takes fire again, cylinder a, then be cylinder d after the e work by combustion is finished, the h acting that takes fire, take turns to again afterwards cylinder c and g work by combustion, so circulation is gone down, evagination ring gear (10) is continuously and smoothly turned round, the ring gear toothed surface of evagination ring gear (10) promotes the pin (14) of movable sleeve tooth (11) on pin frame (12) and trackslips, under the effect of contraction of pin frame (12), force outer cylinder surface and symmetrical two-phase cam (13) engagement of movable sleeve tooth (11), drive symmetrical two-phase cam (13) and rotate, and by with the output shaft (15) of symmetrical two-phase cam (13) key connecting continuously and smoothly with power and movement output.Because two cylinders in every group of cylinder are separated by 180 ° and are arranged symmetrically with, and working state is identical at any time, so eight pistons (7) to the comprehensive function effect of evagination ring gear (10) are: evagination ring gear (10) only is subjected to the effect of pure couple, and to make a concerted effort be zero.Because evagination ring gear (10) and the wheeled movable sleeve tooth driving mechanism of two-phase evagination not only have structural symmetry, and stressed also be symmetrical, so be zero their suffered making a concerted effort, only be subjected to force couple role.Therefore the impact shock of internal-combustion engine of the present invention is little, smooth running.
The transmission principle embodiment of the telescopic high rotating speed internal-combustion engine of this two-phase external cam: the number of teeth of establishing movable sleeve tooth (11) is Z
11=10; The wave number of evagination ring gear (10) is Z
10=12, the rotating speed of evagination ring gear (10) is n
10=400r/min.Pin frame (12) be fixedly connected with frame (
), then the velocity ratio of the wheeled movable sleeve tooth transmission of two-phase evagination is:
So: n
15=n
13=2400r/min, as seen symmetrical two-phase cam (13), output shaft (15) turns to identical with evagination ring gear (10), but the rotating speed of output shaft (15) has significant improvement with respect to the rotating speed of evagination ring gear (10), and internal-combustion engine does not need additionally to add speed changer just can realize the high speed outputting power.This specific character needing can be widely used in high-revolving field, such as helicopter engine, small generator etc., and output speed one regularly can reduce the discharging of harmful gas, reaches the purpose of energy-saving and emission-reduction.
The internal-combustion engine of present embodiment also is provided with starting system, gas distribution system, lubrication system, oil supply system and cooling system etc.
Claims (6)
1. the telescopic high rotating speed internal-combustion engine of two-phase external cam, mainly by cylinder head (1), exhaust valve (2), intake valve (3), cylinder (4), cylinder body (5), push rod (6), piston (7), spring (8), roller (9), evagination ring gear (10), movable sleeve tooth (11), pin frame (12), symmetrical two-phase cam (13), pin (14), output shaft (15) and oil supply system, cooling system, starting system, gas distribution system, lubrication system forms, it is characterized in that: eight cylinders (4) circular symmetric be distributed on evagination ring gear (10) around, two-phase external cam sleeve driving mechanism changes the linear reciprocating motion of piston (7) into output shaft (15) rotatablely move in the evagination---and cylinder piston (7) directly acts on the evagination ring gear (10) by push rod (6), promote evagination ring gear (10) rotation, power is passed to the output shaft (15) of symmetrical two-phase cam (13) key connecting through the wheeled movable sleeve tooth transmission of two-phase evagination by the evagination ring gear and is exported, evagination ring gear (10) organically combines internal-combustion engine and the wheeled movable sleeve tooth transmission of two-phase evagination together, make internal-combustion engine need not to be equipped with again speed changer, at a high speed output.
2. the telescopic high rotating speed internal-combustion engine of two-phase external cam according to claim 1, it is characterized in that: two-phase external cam sleeve driving mechanism is organically combined by cam mechanism and the wheeled movable sleeve tooth driving mechanism of two-phase evagination in the above-mentioned evagination, wherein cam mechanism is by cylinder body (5), spring (8), push rod (6), evagination ring gear (10) forms, one end of push rod (6) and piston (7) are fixedly connected, the other end is installed roller (9), roller (9) makes between push rod (6) and the evagination ring gear (10) as rolling friction connects, and spring (8) contacts the roller (9) on the push rod (6) all the time with evagination ring gear (10); The wheeled movable sleeve tooth driving mechanism of two-phase evagination is comprised of evagination ring gear (10), movable sleeve tooth (11), pin frame (12), symmetrical two-phase cam (13), pin (14) and output shaft (15), and the shaft axis of evagination ring gear (10), pin frame (12), symmetrical two-phase cam (13), output shaft (15) overlaps and is supported by rack bearing, pin frame (12) connects firmly the wave number Z of evagination ring gear (10) with frame
10Tooth number Z with movable sleeve tooth
11Differ is 2, symmetrical two-phase cam (13) and output shaft (15) key connecting, movable sleeve tooth (11) is the cylinder type hollow sleeve, pin frame (12) circumferential uniform also is fixed with several pins (14), movable sleeve tooth (11) is sleeved on the circumferential uniform pin on the pin frame (12), the external cylindrical surface engagement of the upper uniform pin of the inner cylindrical surface of movable sleeve tooth (11) and pin frame (12), the external cylindrical surface of movable sleeve tooth (11) is meshed respectively with outer surface, the evagination ring gear (10) of symmetrical two-phase cam (13) and respectively forms a higher pair.
3. according to claim 1, the telescopic high rotating speed internal-combustion engine of 2 described two-phase external cam, it is characterized in that: the outside of above-mentioned evagination ring gear (10) is to have four four phase cams that are mutually the projection of 90 ° of angles and axle center symmetry, inside is the ring gear toothed surface in the wheeled movable sleeve tooth transmission of two-phase evagination, so evagination ring gear (10) is the cam in the cam mechanism, be again the ring gear in the wheeled movable sleeve tooth driving mechanism of two-phase evagination, the wheeled movable sleeve tooth driving mechanism of whole two-phase evagination is embedded in the inside of evagination ring gear (10); Symmetrical two-phase cam (13) self shape is 180 ° of Central Symmetries, the sole mass complete equilibrium, and its profilogram is the standard ellipse curve, or is the two-phase cosine curve, or is two eccentric arc curves.
4. according to claim 1 to the telescopic high rotating speed internal-combustion engine of 3 described two-phase external cam, it is characterized in that: the rotating speed of output shaft depends on the rotating speed of evagination ring gear and the velocity ratio of the wheeled movable sleeve tooth transmission of two-phase evagination, and suitably select the wheeled movable sleeve tooth transmission of two-phase evagination join the tooth scheme, less velocity ratio can be obtained, at a high speed output can be realized.
5. according to claim 1 to the telescopic high rotating speed internal-combustion engine of 4 described two-phase external cam, it is characterized in that: above-mentioned internal-combustion engine, its eight cylinders (4) circular symmetric be distributed on evagination ring gear (10) around, wherein any two 180 ° of cylinder pistons that are arranged symmetrically with (7) working staties of being separated by are synchronous, two cylinder pistons that working state is synchronous are as one group, four groups of cylinder pistons carry out suction stroke successively, compression stroke, gaseous combustion expansion stroke and exhaust stroke, the stroke of piston process of two adjacent groups cylinder is 45 ° corresponding to the phase difference of evagination ring gear (10) corner; Cylinder piston (7) directly acts on the evagination ring gear (10) by push rod (6), promote evagination ring gear (10) rotation, the ring gear toothed surface of evagination ring gear (10) promotes movable sleeve tooth (11) and rotates around the uniform pin that is fixed on the pin frame (12), and pin frame (12) is fixedly connected with frame, so movable sleeve tooth forces symmetrical two-phase cam (13) high speed rotating under the effect of contraction of pin frame, symmetrical two-phase cam (13) is realized at a high speed output with transmission of power to output shaft (15) by key connecting.
6. according to claim 1 to the telescopic high rotating speed internal-combustion engine of 5 described two-phase external cam, it is characterized in that: in the wheeled movable sleeve tooth transmission of two-phase evagination, evagination ring gear and movable sleeve tooth are multiple tooth engagement, so can realize relatively high power, steadily transmission.
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| CN201210392526XA CN102877942A (en) | 2012-10-17 | 2012-10-17 | Two-phase outer cam sleeve type high-rotational-speed internal-combustion engine |
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| CN201210392526XA CN102877942A (en) | 2012-10-17 | 2012-10-17 | Two-phase outer cam sleeve type high-rotational-speed internal-combustion engine |
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Cited By (6)
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| CN103061878A (en) * | 2013-01-21 | 2013-04-24 | 四川大学 | Sleeve-type high-rotating-speed internal combustion engine with random tooth difference |
| CN103089426A (en) * | 2013-01-21 | 2013-05-08 | 四川大学 | Convex inner arbitrary tooth difference cam sleeve transmission internal combustion engine |
| CN103223928A (en) * | 2013-04-09 | 2013-07-31 | 苏州瑞佳新能源动力科技有限公司 | High-performance brake device |
| CN103225673A (en) * | 2013-04-09 | 2013-07-31 | 苏州瑞佳新能源动力科技有限公司 | Cam slide block linkage device |
| CN107035834A (en) * | 2017-03-27 | 2017-08-11 | 大连理工大学 | A kind of joint group double-linked cam transmission device |
| CN110425762A (en) * | 2019-08-01 | 2019-11-08 | 武汉高芯科技有限公司 | Sterlin refrigerator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061878A (en) * | 2013-01-21 | 2013-04-24 | 四川大学 | Sleeve-type high-rotating-speed internal combustion engine with random tooth difference |
| CN103089426A (en) * | 2013-01-21 | 2013-05-08 | 四川大学 | Convex inner arbitrary tooth difference cam sleeve transmission internal combustion engine |
| CN103223928A (en) * | 2013-04-09 | 2013-07-31 | 苏州瑞佳新能源动力科技有限公司 | High-performance brake device |
| CN103225673A (en) * | 2013-04-09 | 2013-07-31 | 苏州瑞佳新能源动力科技有限公司 | Cam slide block linkage device |
| CN103223928B (en) * | 2013-04-09 | 2017-12-29 | 中慈（浙江）电动汽车制造有限公司 | A kind of High-performance brake device |
| CN107035834A (en) * | 2017-03-27 | 2017-08-11 | 大连理工大学 | A kind of joint group double-linked cam transmission device |
| CN107035834B (en) * | 2017-03-27 | 2019-04-12 | 大连理工大学 | A kind of group of double-linked cam transmission device |
| CN110425762A (en) * | 2019-08-01 | 2019-11-08 | 武汉高芯科技有限公司 | Sterlin refrigerator |
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