CN102979619A - Arbitrary-tooth difference rolling transmission internal combustion engine - Google Patents
Arbitrary-tooth difference rolling transmission internal combustion engine Download PDFInfo
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- CN102979619A CN102979619A CN2012105045635A CN201210504563A CN102979619A CN 102979619 A CN102979619 A CN 102979619A CN 2012105045635 A CN2012105045635 A CN 2012105045635A CN 201210504563 A CN201210504563 A CN 201210504563A CN 102979619 A CN102979619 A CN 102979619A
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Abstract
The invention discloses an arbitrary-tooth difference rolling transmission internal combustion engine, and relates to the field of gas power. According to a novel internal combustion engine, eight cylinders are annularly, symmetrically and uniformly distributed around an outer cam inner gear ring, so that resultant force on the outer cam inner gear ring is zero; and pistons of the cylinders directly act on the outer cam inner gear ring through pushrods, and power is transmitted to an output shaft in key connection with a multi-phase outer cam in a multi-phase outer cam impact wave rolling oscillating tooth transmission way through the outer cam inner gear ring. According to the internal combustion engine, a connecting rod and a crankshaft in the conventional internal combustion engine are eliminated, a multi-phase outer cam impact wave rolling transmission mechanism has the characteristics of no eccentric mass and self-balance of inertia force and a working load, the rotating speed of the output shaft is determined by the transmission ratio of oscillating teeth, and if an oscillating tooth rack is fixed, the output of the multi-phase outer cam is realized at high speed. The internal combustion engine can be widely applied to fields with requirements on high rotating speed, such as a helicopter engine and a miniature generator, and when the output rotating speed is fixed, the emissions of harmful gases can be reduced. The internal combustion engine is simple and compact in structure and small in axial size, has a force self-balancing function, and can run stably.
Description
Technical field
The present invention relates to the gas power field, more particularly, is that a kind of any tooth difference rolls and moves transmission internal combustion engine.
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, and 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, and the high speed quartastroke engine---the tooth difference rolls and moves transmission internal combustion engine arbitrarily.
The present invention is that the technological scheme that its technical problem of solution is taked is: a kind of any tooth difference rolls and moves transmission internal combustion engine, 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), roll and move oscillating tooth (11), movable teeth rack (12), heterogeneous external cam (13), output shaft (14) and starting system, cooling system, oil supply system, lubrication system, gas distribution system etc. and form.It is characterized in that: eight cylinders (4) circular symmetric be evenly arranged in evagination ring gear (10) around, heterogeneous shock wave rolls and moves driving mechanism and change the linear reciprocating motion of piston (7) into output shaft (14) 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 rolled through heterogeneous external cam shock wave by evagination ring gear (10) and moves Oscillating Tooth Gear Reducer and pass to output shaft (14) output that is connected with heterogeneous external cam key, evagination ring gear (10) rolls internal-combustion engine and heterogeneous external cam shock wave and moves Oscillating Tooth Gear Reducer and organically combine together, and making internal-combustion engine need not to be equipped with speed changer can export at a high speed again.
In technique scheme, heterogeneous shock wave rolls and moves driving mechanism and rolled by cam mechanism and heterogeneous external cam shock wave and move movable tooth drive mechanism and organically combine in the evagination.Wherein, cam mechanism is by cylinder body (5), 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) be fixed on piston (7) below, 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.
Heterogeneous external cam shock wave rolls and moves movable tooth drive mechanism by evagination ring gear (10), roll and move oscillating tooth (11), movable teeth rack (12), heterogeneous external cam (13) and form with the output shaft (14) of its key connecting, the outer surface of evagination ring gear (10) is four phase cam profiles, inside is that heterogeneous external cam shock wave rolls the ring gear toothed surface of moving in the Oscillating Tooth Gear Reducer, so evagination ring gear (10) is not only the cam in the cam mechanism, or heterogeneous external cam shock wave rolls the ring gear that moves in the movable tooth drive mechanism, and whole heterogeneous external cam shock wave rolls and moves the inside that movable tooth drive mechanism is built in evagination ring gear (10).Heterogeneous external cam (13) is to have three three-phase cams that are mutually the projection of 120 ° of angles and axle center symmetry, himself quality complete equilibrium, and its profilogram is cosine curve.
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 output shaft (14), evagination ring gear (10), movable teeth rack (12) and (13) four parts of heterogeneous external cam overlaps and is supported by rack bearing.Roll and move oscillating tooth and count Z
11Wave number Z with evagination ring gear (10)
10Differing is 3, and movable teeth rack (12) connects firmly with frame, heterogeneous external cam (13) and output shaft (14) key connecting.
In technique scheme, roll and move oscillating tooth (11) and formed by moving assembly and rolling assembly two large divisions.Wherein moving assembly is comprised of mobile pin (17), moving block (18); Rolling assembly is comprised of sleeve (15), needle roller (16).Large end and moving block (18) that rolling assembly is moved pin (17) are limited on the mobile pin (17), and form revolute pair with mobile pin (17), the large end of moving block (18) and mobile pin (17) can the radially guide groove central diameter of movable teeth rack to mobile and with movable teeth rack (12) composition sliding pair; The outer cylinder surface of sleeve (15) is meshed respectively with evagination ring gear (10) and heterogeneous external cam (13) and respectively forms a rolling higher pair, moving block (18) and mobile pin (17) Spielpassung, so that the radial groove of the large end of mobile pin (17) and moving block (18) energy self adaption movable teeth rack avoids occurring stuck phenomenon.
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 inside toothed surface promotion of evagination ring gear (10) is rolled and is moved oscillating tooth (11) movement in the radially guide groove of movable teeth rack (12), and movable teeth rack (12) is fixedly connected with frame, so roll and move oscillating tooth (11) and under the effect of contraction of movable teeth rack, mesh and order about heterogeneous external cam (13) high speed rotating with heterogeneous external cam (13), heterogeneous external cam (13) is exported transmission of power by key connecting to output shaft (14), realize at a high speed output.Heterogeneous external cam shock wave rolls and moves in the Oscillating Tooth Gear Reducer, and evagination ring gear (10) moves oscillating tooth (11) for multiple tooth engagement with rolling, and rolls to move oscillating tooth (11) and not only do rolling motion but also do moving movement, so can realize efficient, the steadily transmission of relatively high power.
In technique scheme, the rotating speed of output shaft depends on that the rotating speed of evagination ring gear and heterogeneous external cam shock wave roll the velocity ratio that moves Oscillating Tooth Gear Reducer, and suitably select heterogeneous external cam shock wave to roll to move Oscillating Tooth Gear Reducer join the tooth scheme, can obtain less velocity ratio, can realize at a high speed output.
Compared with the prior art main inventive point of the present invention is.
1. adopt any tooth difference Oscillating Tooth Gear Reducer mode in the internal-combustion engine, the tooth profile curve equation of evagination ring gear and the profilogram of heterogeneous external cam are cosine curve, and the curvilinear equation form is simply consistent, is beneficial to optimal design; The gear range of tooth difference Oscillating Tooth Gear Reducer is larger arbitrarily, and it is even to realize rolling the stand under load that moves oscillating tooth by increase tooth difference, reduces the single load that moves oscillating tooth that rolls.
2. the outside of evagination ring gear is to have four four phase cams that are mutually the projection of 90 ° of angles and axle center symmetry, and the ring gear toothed surface of moving Oscillating Tooth Gear Reducer is rolled for heterogeneous external cam shock wave in inside, heterogeneous external cam shock wave rolled move in the cam that movable tooth drive mechanism is built in cam mechanism, cam mechanism and heterogeneous external cam shock wave are rolled move movable tooth drive mechanism and unite two into one, obtaining in the evagination heterogeneous shock wave rolls and moves driving mechanism, 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. 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 rolled through heterogeneous external cam shock wave by the evagination ring gear and moves Oscillating Tooth Gear Reducer and pass to output shaft output.
4. heterogeneous external cam shock wave rolls and moves rolling in the movable tooth drive mechanism and move oscillating tooth and be comprised of moving assembly and rolling assembly two large divisions, and wherein moving assembly is comprised of mobile pin and moving block, and rolling assembly is comprised of sleeve and needle roller.Rolling assembly is moved the large end of pin and moving block and is limited in moving pin and nails on, and form revolute pair with mobile pin, the large end of moving block and mobile pin can radially move in the radially guide groove of movable teeth rack and form sliding pair with movable teeth rack, the outer cylinder surface of sleeve is meshed respectively with evagination ring gear and heterogeneous external cam and respectively forms a rolling pair, roll the moving block and the mobile pin that move oscillating tooth and adopt Spielpassung, both avoid movable teeth rack to move oscillating tooth and stuck phenomenon occurs with rolling, reduced again accuracy of manufacturing.
5. the pto＝power take-off of internal-combustion engine is the output shaft with heterogeneous external cam key connecting, heterogeneous external cam shock wave rolls and moves Oscillating Tooth Gear Reducer by evagination ring gear input power, and movable teeth rack is fixed, heterogeneous external cam output, can realize less velocity ratio, internal-combustion engine high speed outputting power.
6. the output shaft rotating speed depends on that heterogeneous external cam shock wave rolls the velocity ratio that moves Oscillating Tooth Gear Reducer, and suitably select Oscillating Tooth Gear Reducer join the tooth scheme, can obtain less velocity ratio, and shock wave device is heterogeneous external cam, roll and move oscillating tooth and count Z
11Wave number Z with the evagination ring gear
10Differing is 3, does not need eccentric the installation, and whole mechanism is subjected to force self-balanced.
7. heterogeneous external cam shock wave rolls and moves in the Oscillating Tooth Gear Reducer, the evagination ring gear with roll that to move oscillating tooth be 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 heterogeneous shock wave in the evagination to roll to move driving mechanism and has replaced connecting rod in the existing crankshaft-link rod type internal-combustion engine, completely abolished crankshaft-and-connecting-rod, evagination ring gear and heterogeneous external cam shock wave roll and move movable tooth drive mechanism 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 heterogeneous external cam shock wave rolls and moves movable tooth drive mechanism and be built in the evagination ring gear, the evagination ring gear is the cam in the cam mechanism, again that heterogeneous external cam shock wave rolls the ring gear that moves in the movable tooth drive mechanism, 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 interior heterogeneous shock wave of evagination to roll and moves the power that the driving mechanism output piston produces, 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 with heterogeneous external cam key connecting, heterogeneous external cam shock wave rolls and moves Oscillating Tooth Gear Reducer with evagination ring gear input power, movable teeth rack is fixed, heterogeneous external 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 rolls by heterogeneous external cam shock wave and move Oscillating Tooth Gear Reducer and pass to output shaft output.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.Heterogeneous external cam shock wave rolls and moves Oscillating Tooth Gear Reducer 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.Heterogeneous external cam can realize shock wave and guarantee himself and roll the stressed autobalance of moving oscillating tooth simultaneously, in transmission device, do not exist and need eccentric inertial force, excitation force and the tilting moment etc. of shock wave device being installed and existing in the poor Oscillating Tooth Gear Reducer of a tooth, 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
Heterogeneous external cam shock wave rolls and moves Oscillating Tooth Gear Reducer is multiple tooth engagement, and stable drive is rolled and moved oscillating tooth and can jointly share 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 that any tooth difference rolls the structural representation that moves transmission internal combustion engine.
Fig. 2 is that evagination ring gear and heterogeneous external cam shock wave roll the schematic representation that moves movable tooth drive mechanism.
Fig. 3 is the structural representation of movable teeth rack.
Fig. 4 rolls plan view and the left view that moves oscillating tooth.
Fig. 5 rolls the assembling schematic representation that moves oscillating tooth and movable teeth rack.
The sign that above-mentioned each attached picture in picture is known label to as if: 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 roll and move oscillating tooth, 12 movable teeth racks, 13 heterogeneous external cam, 14 output shafts, 15 sleeves, 16 needle rollers, 17 and move pin, 18 moving blocks.
Specific embodiment
Fig. 1～any tooth difference shown in Figure 5 rolls and moves transmission internal combustion engine, 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), roll and move oscillating tooth (11), movable teeth rack (12), heterogeneous external cam (13), output shaft (14) etc. and form.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 that heterogeneous external cam shock wave rolls the ring gear toothed surface of moving Oscillating Tooth Gear Reducer.Evagination ring gear (10) rolls cam mechanism and heterogeneous external cam shock wave and moves movable tooth drive mechanism and be organically integrated.Evagination ring gear (10) is the cam in the cam mechanism, is again that heterogeneous external cam shock wave rolls the ring gear that moves in the movable tooth drive mechanism, and whole heterogeneous external cam shock wave rolls and moves the inside that movable tooth drive mechanism is embedded in evagination ring gear (10).Heterogeneous external cam (13) is to have three three-phase cams that are mutually the projection of 120 ° of angles and axle center symmetry, the sole mass complete equilibrium, and its profilogram is cosine curve.Heterogeneous external cam shock wave rolls and moves movable tooth drive mechanism by evagination ring gear (10), roll and move oscillating tooth (11), movable teeth rack (12), heterogeneous external cam (13) and form with the output shaft (14) of heterogeneous external cam (13) key connecting, wherein roll and move oscillating tooth (11) by sleeve (15), needle roller (16), mobile pin (17), moving block (18) forms, sleeve (15) and needle roller (16) are installed on the mobile pin (17), make sleeve (15) and mobile pin (17) form revolute pair and be connected, large end and moving block (18) that sleeve (15) and needle roller (16) are moved pin (17) are limited in the middle of the mobile pin (17).Movable teeth rack (12) connects firmly with frame, the external cylindrical surface of sleeve (15) is meshed respectively and all forms rolling pair with evagination ring gear (10), heterogeneous external cam (13), but the external cylindrical surface of sleeve (15) does not contact with movable teeth rack (12) with the radially gapped between the guide groove of movable teeth rack (12).The large end of mobile pin (17) and moving block (18) can move and form with it sliding pair in the radially guide groove of movable teeth rack (12).The shaft axis of the parts such as output shaft (14), evagination ring gear (10), movable teeth rack (12) and heterogeneous external cam (13) overlaps and is supported by rack bearing.Therefore internal-combustion engine of the present invention not only has heterogeneous external cam shock wave to roll the series of advantages of moving Oscillating Tooth Gear Reducer, 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 outer surface cam profile curve that the cosine acceleration motion rule is determined evagination ring gear (10) by piston (7), 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 (14) with heterogeneous external cam key connecting, heterogeneous external cam shock wave rolls and moves Oscillating Tooth Gear Reducer with evagination ring gear (10) input power, movable teeth rack (12) is fixing, heterogeneous external cam (13) 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 rolled through heterogeneous external cam shock wave by evagination ring gear (10) and moves movable tooth drive mechanism and pass to output shaft (14) output; 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 external frame 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 internal tooth form face of evagination ring gear (10) promotes to roll the sleeve (15) that moves oscillating tooth (11) and rolls around mobile pin (17), simultaneously sleeve (15) the large end that makes moving block (18) and mobile pin (17) moves along the radially guide groove of movable teeth rack (12), because movable teeth rack is fixed, so under the effect of contraction of movable teeth rack (12), force sleeve (15) and heterogeneous external cam (13) engagement, drive heterogeneous external cam (13) and rotate, and by with the output shaft (14) of heterogeneous external 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 heterogeneous external cam shock wave roll and move movable tooth drive mechanism and 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.
Be the speed change characteristic of explanation internal-combustion engine of the present invention, establish and roll the number of teeth of moving oscillating tooth (11) and be: Z
11=8; The wave number of evagination ring gear (10) is: Z
10=11, the rotating speed of evagination ring gear (10) is n
10=300r/min, movable teeth rack (12) is fixedly connected with frame, so the angular velocity of movable teeth rack (12)
, then heterogeneous external cam shock wave rolls the velocity ratio that moves Oscillating Tooth Gear Reducer and is:
So: n
14=n
13=1100r/min, as seen heterogeneous external cam (13), output shaft (14) turns to identical with evagination ring gear (10), the rotating speed of output shaft (14) 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 tooth difference rolls and moves transmission internal combustion engine arbitrarily, 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), roll and move oscillating tooth (11), movable teeth rack (12), heterogeneous external cam (13), output shaft (14) 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, heterogeneous shock wave rolls and moves driving mechanism and change the linear reciprocating motion of piston (7) into output shaft 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 rolled through heterogeneous external cam shock wave by the evagination ring gear and moves Oscillating Tooth Gear Reducer and pass to and the output of the output shaft (14) of heterogeneous external cam key connecting, evagination ring gear (10) rolls internal-combustion engine and heterogeneous external cam shock wave and moves Oscillating Tooth Gear Reducer and organically combine together, and making internal-combustion engine need not to be equipped with speed changer can export at a high speed again.
2. any tooth difference according to claim 1 rolls and moves transmission internal combustion engine, it is characterized in that: heterogeneous shock wave rolls and moves driving mechanism and rolled by cam mechanism and heterogeneous external cam shock wave and move movable tooth drive mechanism and organically combine in the above-mentioned evagination; Wherein, cam mechanism is comprised of cylinder body (5), spring (8), push rod (6), evagination ring gear (10), 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 the below of piston (7), the other end is fixed on the boss of cylinder bottom, and spring (8) contacts the roller (9) on the push rod (6) all the time with evagination ring gear (10); Heterogeneous external cam shock wave roll move movable tooth drive mechanism by evagination ring gear (10), roll and move oscillating tooth (11), movable teeth rack (12), heterogeneous external cam (13) and form with the output shaft (14) of its key connecting, and the shaft axis of evagination ring gear (10), movable teeth rack (12), heterogeneous external cam (13), output shaft (14) overlaps, and supported by rack bearing, movable teeth rack (12) connects firmly the wave number Z of evagination ring gear (10) with frame
10Move oscillating tooth and count Z with rolling
11Differing is 3, heterogeneous external cam (13) and output shaft (14) key connecting; Above-mentioned rolling moved oscillating tooth (11) and is comprised of moving assembly and rolling assembly two large divisions, and wherein moving assembly is comprised of mobile pin (17), moving block (18); Rolling assembly is comprised of sleeve (15), needle roller (16); Large end and moving block (18) that rolling assembly is moved pin (17) are limited on the mobile pin (17), and form revolute pair with mobile pin (17), the large end of moving block (18) and mobile pin (17) can the radially guide groove central diameter of movable teeth rack to mobile and with movable teeth rack (12) composition sliding pair; The outer cylinder surface of sleeve (15) is meshed respectively with evagination ring gear (10) and heterogeneous external cam (13) and respectively forms a rolling higher pair, moving block (18) and mobile pin (17) Spielpassung, so that the large end of mobile pin (17) and moving block (18) energy self adaption movable teeth rack radial groove avoid occurring stuck phenomenon.
3. according to claim 1,2 described any tooth differences roll and move transmission internal combustion engine, 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 that heterogeneous external cam shock wave rolls the ring gear toothed surface of moving in the movable tooth drive mechanism, so evagination ring gear (10) is the cam in the cam mechanism, be again that heterogeneous external cam shock wave rolls the ring gear that moves in the movable tooth drive mechanism, whole heterogeneous external cam shock wave rolls and moves the inside that movable tooth drive mechanism is embedded in evagination ring gear (10); Heterogeneous external cam (13) is to have three three-phase cams that are mutually the projection of 120 ° of angles and axle center symmetry, himself quality complete equilibrium, and its profilogram is cosine curve.
4. roll to 3 described any tooth differences according to claim 1 and move transmission internal combustion engine, it is characterized in that: the rotating speed of output shaft depends on that the rotating speed of evagination ring gear and heterogeneous external cam shock wave roll the velocity ratio that moves Oscillating Tooth Gear Reducer, and suitably select heterogeneous external cam shock wave to roll to move Oscillating Tooth Gear Reducer join the tooth scheme, less velocity ratio can be obtained, at a high speed output can be realized.
5. roll to 4 described any tooth differences according to claim 1 and move transmission internal combustion engine, 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 inside toothed surface promotion of evagination ring gear (10) is rolled and is moved oscillating tooth (11) movement in the radially guide groove of movable teeth rack (12), and movable teeth rack (12) is fixedly connected with frame, so roll and move oscillating tooth (11) and under the effect of contraction of movable teeth rack, mesh and order about heterogeneous external cam (13) high speed rotating with heterogeneous external cam (13), heterogeneous external cam (13) is exported transmission of power by key connecting to output shaft (14), realize at a high speed output.
6. roll to 5 described any tooth differences according to claim 1 and move transmission internal combustion engine, it is characterized in that: heterogeneous external cam shock wave rolls and moves in the Oscillating Tooth Gear Reducer, evagination ring gear (10) moves oscillating tooth (11) for multiple tooth engagement with rolling, roll and move oscillating tooth (11) and not only do rolling motion but also do moving movement, so can realize efficient, the steadily transmission of relatively high power.
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