CN103032164A - Outer convex inner arbitrary gear difference cam rolling moving transmission internal-combustion engine - Google Patents
Outer convex inner arbitrary gear difference cam rolling moving transmission internal-combustion engine Download PDFInfo
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- CN103032164A CN103032164A CN2012105649870A CN201210564987A CN103032164A CN 103032164 A CN103032164 A CN 103032164A CN 2012105649870 A CN2012105649870 A CN 2012105649870A CN 201210564987 A CN201210564987 A CN 201210564987A CN 103032164 A CN103032164 A CN 103032164A
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Abstract
The invention discloses an outer convex inner arbitrary gear difference cam rolling moving transmission internal-combustion engine, relating to the field of fuel gas power and belonging to a multi-cylinder internal-combustion engine. The invention provides a novel internal-combustion engine; eight cylinders are distributed on the periphery of an outer convex inner multiphase inner cam symmetrically in a ring shape, so that a resultant force of the outer convex inner multiphase inner cam is zero; each cylinder piston directly acts on the outer convex inner multiphase inner cam through a push rod; and power is transmitted to an output shaft connected with a central wheel key by the outer convex inner multiphase inner cam through arbitrary gear difference inner cam rolling moving movable gear transmission. With the adoption of the internal-combustion engine, a connecting rod and a crank shaft in the traditional internal-combustion engine are saved; an outer convex multiphase inner cam rolling moving transmission mechanism has the characteristics of having no eccentric mass, and having an inertia force and working load self-balancing; the rotating speed of the output shaft depends on transmission ratio of movable gear transmission; when a movable gear frame is fixed, output by a central wheel is in low speed and large torque; and the internal-combustion engine can be widely applied to the fields of high-power engineering machinery and military and the like, such as excavators and armored cars. The internal-combustion engine is simple and compact in structure, small in axial size, self-balancing in stress, and stable in rotating.
Description
Technical field
The present invention relates to the gas power field, more particularly, be in a kind of evagination arbitrarily the poor cam of tooth roll and move transmission internal combustion engine.
Background technique
Using more general internal-combustion engine at present is four-stroke crankshaft-link rod type internal-combustion engine, and the drive mechanism of this internal-combustion engine all adopts connecting rod, by connecting rod band dynamic crankshaft, thereby the straight line motion of piston is converted into rotatablely moving of bent axle.Because this internal-combustion engine is to order about bent axle by the plane motion of the straight line motion of piston and connecting rod to rotate, and exists larger friction between each kinematic pair thereby cause, and causes the internal-combustion engine transmission efficiency low.Crankshaft-link rod type internal-combustion engine also has 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, internal-combustion engine and speed change gear are two independently machines usually, and internal-combustion engine needs that retarder is installed in addition and is used for follow-up speed change, causes bulky.
Summary of the invention
The objective of the invention is: the defects 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 low-speed big quartastroke engine---in the evagination arbitrarily the poor cam of tooth roll and move transmission internal combustion engine.
The present invention is that the technological scheme that its technical problem of solution is taked is: any poor cam of tooth rolls and moves transmission internal combustion engine in a kind of evagination, mainly by exhaust valve (1), cylinder head (2), cylinder (3), intake valve (4), cylinder body (5), piston (6), push rod (7), spring (8), roller (9), output shaft (10), heterogeneous cam ring (11) in the evagination, roll and move oscillating tooth (12), movable teeth rack (13), central gear (14) and starting system, gas distribution system, cooling system, oil supply system, the compositions such as lubrication system, it is characterized in that: uniform eight cylinders of circular symmetric (3) on every side of heterogeneous cam ring (11) in evagination, heterogeneous cam ring rolls and moves driving mechanism and change the linear reciprocating motion of piston into output shaft (10) rotatablely move in the evagination---and the straight reciprocating motion of cylinder piston (6) by push rod (7) is so that heterogeneous cam ring (11) rotation in the evagination, heterogeneous cam ring (11) rolls power and moves Oscillating Tooth Gear Reducer and pass to the output shaft (10) that is connected with center opinion (14) key through any poor cam ring of tooth in the evagination, last power is exported by output shaft (10), in the evagination heterogeneous cam ring (11) with internal-combustion engine and arbitrarily the poor cam ring of tooth roll and move Oscillating Tooth Gear Reducer and organically combine together, make internal-combustion engine need not to be equipped with again retarder.
In technique scheme, in the evagination heterogeneous cam ring roll move driving mechanism by cam mechanism and arbitrarily the poor cam ring of tooth roll and move movable tooth drive mechanism and organically combine.Wherein, cam mechanism is by push rod (7), roller (9), heterogeneous cam ring (11) in the evagination, cylinder body (5), spring (8) forms, one end of push rod (7) and piston (6) are fixedly connected, the other end is equipped with roller (9), contacting because roller (9) is connected by sliding friction in push rod (7) and the evagination between the heterogeneous cam ring (11) becomes rolling friction and connects, one end of spring (8) is fixed on below the piston (6), 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 heterogeneous cam ring (11) in the evagination, each cylinder is furnished with piston, push rod and spring with roller.
Arbitrarily the poor cam ring of tooth roll move movable tooth drive mechanism by heterogeneous cam ring (11) in the evagination, roll and move oscillating tooth (12), movable teeth rack (13), central gear (14) and form with the output shaft (10) of its key connecting; The outer surface of heterogeneous cam ring (11) is four phase cam profiles with four projections that are mutually 90 ° of angles and axle center symmetry in the evagination, inside is heterogeneous cam ring, so heterogeneous cam ring (11) is the cam in the cam mechanism in the evagination, be again that the poor cam ring of any tooth rolls the heterogeneous cam ring that moves in the movable tooth drive mechanism, the poor cam ring of whole any tooth rolls and moves the inside that movable tooth drive mechanism is built in heterogeneous cam ring (11) in the evagination; The inside of heterogeneous cam ring (11) is to have three three-phase cam rings that are mutually the projection of 120 ° of angles and axle center symmetry in the evagination, himself quality complete equilibrium, and its profilogram is cosine curve.
Roll and move oscillating tooth (12) and be comprised of rolling assembly and moving assembly two-part, wherein rolling assembly is comprised of sleeve (15) and needle roller (16); Moving assembly is by mobile pin (17), and moving block (18) forms.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 in the radially guide groove of movable teeth rack (13), move and with movable teeth rack (13) composition sliding pair; The outer cylinder surface of sleeve (15) is meshed respectively with the interior heterogeneous cam ring (11) of evagination and central gear (14) and respectively forms a rolling pair, moving block (18) and mobile pin (17) Spielpassung, so that the radially guide groove of the large end of mobile pin (17) and moving block (18) energy self adaption movable teeth rack avoids occurring stuck phenomenon.
The outer surface cam profile curve of heterogeneous cam ring (11) can be selected according to the actual design needs in the evagination, to obtain best dynamic performance, improves the energy conversion efficiency of internal-combustion engine.The shaft axis of the parts such as heterogeneous cam ring (11), movable teeth rack (13) and central gear (14) overlaps and is supported by rack bearing in output shaft (10), the evagination.Roll the tooth number Z of moving oscillating tooth (12)
12And the wave number Z of central gear (14)
14Differing is 3, and movable teeth rack (13) connects firmly with frame, central gear (14) and output shaft (10) key connecting; Roll and move that heterogeneous cam ring (11), central gear (14) are meshed respectively and all form higher pair in oscillating tooth (12) and the evagination, namely the outer cylinder surface of sleeve (15) is meshed respectively with the interior heterogeneous cam ring (11) of evagination and central gear (14) and respectively forms a rolling pair.
The output shaft rotating speed depends on that the poor cam ring of any tooth rolls the velocity ratio that moves Oscillating Tooth Gear Reducer, and suitably select the poor cam ring of any tooth to roll to move Oscillating Tooth Gear Reducer join the tooth scheme, can obtain larger velocity ratio, can realize low-speed big output.
In technique scheme, uniform eight cylinders of circular symmetric (3) on every side of heterogeneous cam ring (11) in evagination, wherein any two 180 ° of cylinder pistons that are arranged symmetrically with (6) 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, compression stroke, gaseous combustion expansion stroke and exhaust stroke successively, and the stroke of piston process of two adjacent groups cylinder is 45 ° corresponding to the phase difference of heterogeneous cam ring (11) corner in the evagination.Cylinder piston (6) passes through the straight reciprocating motion of push rod (7) so that heterogeneous cam ring (11) rotation in the evagination, heterogeneous cam ring rolls power and moves Oscillating Tooth Gear Reducer and pass to output shaft (10) with the central gear key connecting through any poor cam ring of tooth in the evagination, and last power is exported by output shaft (10).Roll at any poor cam ring of tooth and to move in the Oscillating Tooth Gear Reducer, roll and move oscillating tooth (12) and be multiple tooth engagement with central gear (14) and the interior heterogeneous cam ring (11) of evagination, so can realize transmission high-power, high pulling torque.
Compared with the prior art main inventive point of the present invention is.
1. the outside of heterogeneous cam ring is to have four four phase cams that are mutually 90 ° of angle projections in the evagination, and inside is heterogeneous cam ring, namely inside is to have three three-phase cam rings that are mutually the projection of 120 ° of angles and axle center symmetry, himself quality complete equilibrium, its profilogram is cosine curve, the poor cam ring of any tooth rolled move in the cam that movable tooth drive mechanism is built in cam mechanism, make in the cam mechanism cam and arbitrarily the poor cam ring of tooth roll the heterogeneous cam ring that moves in the movable tooth drive mechanism and unite two into one, obtaining in the evagination heterogeneous cam ring 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 (retarder) united two into one, obtained a kind of compact structure, small and exquisite novel high-power power machine, compare with crankshaft-link rod type internal-combustion engine, internal-combustion engine axial dimension of the present invention reduces greatly.
2. in evagination heterogeneous cam ring around uniform eight cylinders of circular symmetric, cylinder piston passes through the straight reciprocating motion of push rod so that heterogeneous cam ring rotation in the evagination, heterogeneous cam ring rolls power and moves Oscillating Tooth Gear Reducer and pass to output shaft with the central gear key connecting through any poor cam ring of tooth in the evagination, and last power is exported by output shaft.
3. roll and move oscillating tooth and be comprised of rolling assembly and moving assembly two-part, wherein rolling assembly is comprised of sleeve and needle roller; Moving assembly is by mobile pin, and moving block forms.Rolling assembly is moved the large end of pin and moving block and is limited in moving pin and nails on, and forms revolute pair with mobile pin, the large end of moving block and mobile pin can in the radially guide groove of movable teeth rack, move and with movable teeth rack composition sliding pair; The outer cylinder surface of sleeve is meshed respectively with the interior heterogeneous cam ring of evagination and central gear and respectively forms a rolling pair, moving block and mobile pin Spielpassung, so that the radially guide groove of the large end of mobile pin and moving block energy self adaption movable teeth rack, both avoided movable teeth rack to move oscillating tooth and stuck phenomenon occurs with rolling, reduced again accuracy of manufacturing, manufacture cost is reduced.
4. the pto＝power take-off of internal-combustion engine is the output shaft with the central gear key connecting, the poor cam ring of tooth rolls and moves Oscillating Tooth Gear Reducer with heterogeneous cam ring input power in the evagination arbitrarily, and movable teeth rack is fixed, central gear output, can realize larger velocity ratio, internal-combustion engine low-speed big outputting power.
5. the output shaft rotating speed depends on that the poor cam ring of any tooth rolls the velocity ratio that moves Oscillating Tooth Gear Reducer, and suitably select the poor cam ring of any tooth to roll to move Oscillating Tooth Gear Reducer join the tooth scheme, can obtain larger velocity ratio, and it is heterogeneous cam ring that any poor cam ring of tooth rolls the shock wave device that moves Oscillating Tooth Gear Reducer, rolls the tooth number Z of moving oscillating tooth
12Wave number Z with central gear
14Differing is 3, does not need eccentric the installation, and whole mechanism is subjected to force self-balanced.
6. arbitrarily the poor cam ring of tooth rolls and moves in the Oscillating Tooth Gear Reducer, rolls to move oscillating tooth and be multiple tooth engagement with central gear and the interior heterogeneous cam ring of evagination, so can realize transmission high-power, high pulling torque.
7. adopt any tooth difference Oscillating Tooth Gear Reducer mode in the internal-combustion engine, the tooth profile curve equation of heterogeneous cam ring and the profilogram of central gear are cosine curve in the evagination, 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.
The present invention compares with existing reciprocating type crankshaft-link rod type internal-combustion engine, has following useful technique effect.
1. impact little, vibration is little, noise is little, smooth running
Because the present invention adopts heterogeneous cam ring 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, the interior heterogeneous cam ring of evagination and any poor cam ring of tooth 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; Uniform eight cylinders of circular symmetric on every side of heterogeneous cam ring in evagination, 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 heterogeneous cam ring 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 interior heterogeneous cam ring of evagination, and arbitrarily the poor cam ring of tooth rolls and moves movable tooth drive mechanism and be built in the evagination in the heterogeneous cam ring, heterogeneous cam ring is the cam in the cam mechanism in the evagination, again that the poor cam ring of any tooth rolls the heterogeneous cam ring 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 cam ring of evagination to roll and moves the power that the driving mechanism output piston produces, and internal-combustion engine and speed change gear (retarder) are united two into one, and need not to join in addition speed reducer, and structure is reduced greatly, so compact structure, small and exquisite.
3. velocity ratio is larger, the integrated pre-deceleration of complete machine
The pto＝power take-off of this internal-combustion engine is the output shaft with the central gear key connecting, the poor cam ring of tooth rolls and moves Oscillating Tooth Gear Reducer with heterogeneous cam ring input power in the evagination arbitrarily, movable teeth rack is fixed, central gear output, suitably select to join the tooth scheme, can realize larger velocity ratio, and still keep the plurality of advantages such as compact structure, quality is little, volume is little.Internal-combustion engine low-speed big outputting power can be widely used in needing the fields such as military affairs, engineering machinery of high-power machinery transmission, such as tank, armored vehicle and excavator, bulldozer etc.
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 in the evagination heterogeneous cam ring by the push rod roller and rolls by any poor cam ring of tooth and move Oscillating Tooth Gear Reducer and pass to output shaft output.In piston push rod and the evagination between the heterogeneous cam ring for rolling friction connects, the transmission efficiency height has been cancelled serious wear, connecting rod that friction power loss is large.Any poor cam ring of tooth rolls and moves Oscillating Tooth Gear Reducer is that multiple tooth engagement, bearing capacity are large, is again the engagement of rolling, and makes transmission efficiency high, and because of multiple tooth simultaneously engagement, it is large to export rigidity, and transmission is also more steadily reliable.Heterogeneous cam ring can be realized heterogeneous shock wave and guarantee himself and the stressed autobalance of inner oscillating tooth in the evagination simultaneously, in transmission device, do not exist and need eccentric inertial force, excitation force and the tilting moment etc. of cam 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 0.95.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 heterogeneous cam ring in the evagination 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 large
Arbitrarily to roll and move Oscillating Tooth Gear Reducer be multiple tooth engagement to the poor cam ring of tooth, 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 poor cam of tooth rolls the structural representation that moves transmission internal combustion engine in the evagination.
Fig. 2 is that the interior heterogeneous cam ring of evagination and the poor cam ring of any tooth roll the schematic representation that moves movable tooth drive mechanism.
The structural representation of Fig. 3 movable teeth rack.
Fig. 4 rolls plan view and the left view that moves oscillating tooth.
Fig. 5 rolls the assembly relation schematic representation that moves oscillating tooth and movable teeth rack.
Above-mentioned each attached picture in picture is known the sign of label to liking: 1 exhaust valve; 2 cylinder head; 3 cylinders; 4 intake valves; 5 cylinder bodies; 6 pistons; 7 push rods; 8 springs; 9 rollers; 10 output shafts; Heterogeneous cam ring in 11 evaginations; 12 roll and move oscillating tooth; 13 movable teeth racks; 14 central gears; 15 sleeves; 16 needle rollers; 17 move pin; 18 moving blocks.
Specific embodiment
In Fig. 1 ~ evagination shown in Figure 5 arbitrarily the poor cam of tooth roll and move transmission internal combustion engine, by heterogeneous cam ring (11) in exhaust valve (1), cylinder head (2), cylinder (3), intake valve (4), cylinder body (5), piston (6), push rod (7), spring (8), roller (9), output shaft (10), the evagination, roll and move oscillating tooth (12), movable teeth rack (13), central gear (14) etc. and form.Uniform eight cylinders of circular symmetric (3) on every side of heterogeneous cam ring (11) in evagination, the angle of adjacent two cylinders is 45 °.A piston (6) is arranged in each cylinder (3), one end of push rod (7) and piston (6) are consolidated, the other end is equipped with roller (9), connected by sliding friction by roller (9) between the heterogeneous cam ring (11) in push rod (7) and the evagination and become the rolling friction connection, one end of spring (8) is fixed on piston (6) bottom, the other end is fixed on the boss of cylinder (3) bottom, and the effect of spring (8) is that the roller (9) on the push rod (7) is contacted with heterogeneous cam ring (11) in the evagination all the time.The outside of heterogeneous cam ring (11) is four phase cams with four projections that are mutually 90 ° of angles and axle center symmetry in the evagination, inside is heterogeneous cam ring, namely inside is to have three three-phase cam rings that are mutually the projection of 120 ° of angles and axle center symmetry, himself quality complete equilibrium, its profilogram is cosine curve.In the evagination heterogeneous cam ring (11) with cam mechanism and arbitrarily the poor cam ring of tooth roll and move movable tooth drive mechanism and be organically integrated.Heterogeneous cam ring (11) is the cam in the cam mechanism in the evagination, be again that the poor cam ring of any tooth rolls the heterogeneous cam ring that moves in the movable tooth drive mechanism, the poor cam ring of whole any tooth rolls and moves the inside that movable tooth drive mechanism is embedded in heterogeneous cam ring (11) in the evagination.Arbitrarily the poor cam ring of tooth roll move movable tooth drive mechanism by heterogeneous cam ring (11) in the evagination, roll and move oscillating tooth (12), movable teeth rack (13), central gear (14) and form with the output shaft (10) of central gear (14) key connecting.Movable teeth rack (13) connects firmly with frame, central gear (14) and output shaft (10) key connecting, roll and move oscillating tooth (12) and the interior heterogeneous cam ring (11) of evagination, central gear (14) the formation higher pair that is meshed respectively, be outer surface and the interior heterogeneous cam ring (11) of evagination of sleeve (15), central gear (14) the formation rolling pair that is meshed respectively, it is upper and be moved the large end of pin (17) and moving block (18) to be limited in mobile pin (17) upper and form rolling pair with mobile pin (17) that sleeve (15) is enclosed within mobile pin (17) by needle roller (16), and the large end of mobile pin (17) and moving block (18) be the mobile sliding pair that also forms with it in the radially guide groove of movable teeth rack (12) simultaneously.The shaft axis of the parts such as heterogeneous cam ring (11), movable teeth rack (13) and central gear (14) overlaps and is supported by rack bearing in output shaft (10), the evagination.Therefore internal-combustion engine of the present invention not only has the poor cam ring of any tooth to roll the series of advantages of moving Oscillating Tooth Gear Reducer, and structure is very compact.The outer surface cam profile curve of heterogeneous cam ring (11) can be chosen different curves on demand in the evagination.Present embodiment is made the outer surface cam profile curve that the cosine acceleration motion rule is determined heterogeneous cam ring (11) in the evagination by piston (6), namely when in the evagination during heterogeneous cam ring (11) uniform rotation, piston (6) does reciprocating linear motion by the cosine acceleration motion rule, and its cycle of motion is 1/4th of interior heterogeneous cam ring (11) period of rotation of evagination.The pto＝power take-off of present embodiment internal-combustion engine is the output shaft (10) with the central gear key connecting, the poor cam ring of tooth rolls and moves Oscillating Tooth Gear Reducer with heterogeneous cam ring input power in the evagination arbitrarily, movable teeth rack is fixed, central gear output, can realize larger velocity ratio, but internal-combustion engine low-speed big outputting power.
The working principle of internal-combustion engine of the present invention is: when internal combustion engine, piston (6) in the gaseous combustion acting cylinder, its driving force acts on the interior heterogeneous cam ring (11) of evagination by the straight reciprocating motion of push rod (7), promote that heterogeneous cam ring (11) is rotated counterclockwise in the evagination, power is rolled through any poor cam ring of tooth by heterogeneous cam ring (11) in the evagination and moves movable tooth drive mechanism and pass to output shaft (10) output; Because the rotation of heterogeneous cam ring (11) in the evagination, roller (9) heterogeneous cam ring (11) profile in the evagination rolls and make push rod (7) and the piston (6) that not have to do work slides in cylinder (3), 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 have 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 heterogeneous cam ring (11) corner in the evagination.Then heterogeneous cam ring (11) turns over after 45 degree counterclockwise in the evagination, cylinder b, the f acting that takes fire again, heterogeneous cam ring turns over after 45 ° more counterclockwise in the evagination, 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, the interior heterogeneous cam ring (11) of evagination is continuously and smoothly turned round, the promotion of the internal surface of heterogeneous cam ring is rolled and is moved oscillating tooth (12) motion in the evagination, roll and move oscillating tooth (12) and in the radially guide groove of movable teeth rack (13), mesh with central gear (14) under the mobile and effect of contraction at movable teeth rack, drive central gear (14) and rotate, then by with the output shaft of central gear (14) 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 (6) to the comprehensive function effect of heterogeneous cam ring (11) in the evagination are: heterogeneous cam ring (11) only is subjected to the effect of pure couple in the evagination, and to make a concerted effort be zero.Since in the evagination heterogeneous cam ring (11) and arbitrarily the poor cam ring of tooth 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, and motion steadily.
For the speed change characteristic of explanation internal-combustion engine of the present invention, establish and roll the tooth number Z of moving oscillating tooth (12)
12=8, the wave number Z of central gear (14)
14=11, the rotating speed of heterogeneous cam ring (11) is n in the evagination
11=1100r/min.Movable teeth rack (13) is fixed (), and then arbitrarily the poor cam ring of tooth rolls the velocity ratio that moves Oscillating Tooth Gear Reducer and is:
So get n
14=n
10=300r/min, as seen, central gear (14), output shaft (10) turn to evagination in heterogeneous cam ring (11) identical, but rotating speed is far below heterogeneous cam ring (11) in the evagination, internal-combustion engine deceleration outputting power can be realized large torque low speed output.This specific character is particularly suitable for the occasion of high pulling torque output, needing can be widely used in the fields such as military affairs, engineering machinery of high-power machinery transmission, such as tank, armored vehicle, excavator, bulldozer etc.
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 (5)
1. any poor cam of tooth rolls and moves transmission internal combustion engine in the evagination, mainly by exhaust valve (1), cylinder head (2), cylinder (3), intake valve (4), cylinder body (5), piston (6), push rod (7), spring (8), roller (9), output shaft (10), heterogeneous cam ring (11) in the evagination, roll and move oscillating tooth (12), movable teeth rack (13), central gear (14) and starting system, gas distribution system, cooling system, oil supply system, lubrication system forms, it is characterized in that: uniform eight cylinders of circular symmetric (3) on every side of heterogeneous cam ring (11) in evagination, heterogeneous cam ring rolls and moves driving mechanism and change the linear reciprocating motion of piston into output shaft (10) rotatablely move in the evagination---and the straight reciprocating motion of cylinder piston (6) by push rod (7) is so that heterogeneous cam ring (11) rotation in the evagination, heterogeneous cam ring rolls power and moves Oscillating Tooth Gear Reducer and pass to output shaft (10) with the central gear key connecting through any poor cam ring of tooth in the evagination, last power is exported by output shaft (10), in the evagination heterogeneous cam ring (11) with internal-combustion engine and arbitrarily the poor cam ring of tooth roll and move Oscillating Tooth Gear Reducer and organically combine together, make internal-combustion engine need not to be equipped with again retarder.
2. any poor cam of tooth rolls and moves transmission internal combustion engine in the evagination according to claim 1, it is characterized in that: in the above-mentioned evagination heterogeneous cam ring roll move driving mechanism by cam mechanism and arbitrarily the poor cam ring of tooth roll and move movable tooth drive mechanism and organically combine, wherein cam mechanism is by push rod (7), heterogeneous cam ring (11) in the evagination, cylinder body (5), spring (8) forms, one end of push rod and piston (6) are fixedly connected, the other end is equipped with roller (9), roller (9) makes in push rod (7) and the evagination between the heterogeneous cam ring (11) as rolling friction connects, and the roller (9) on the push rod (7) contacts with heterogeneous cam ring (11) in the evagination all the time owing to the effect of spring (8); Arbitrarily the poor cam ring of tooth roll move movable tooth drive mechanism by heterogeneous cam ring (11) in the evagination, roll and move oscillating tooth (12), movable teeth rack (13), central gear (14) and form with the output shaft (10) of its key connecting, and the shaft axis of heterogeneous cam ring (11), movable teeth rack (13) and (14) four parts of central gear overlaps and is supported by rack bearing in output shaft (10), the evagination, rolls the tooth number Z of moving oscillating tooth
12And the wave number Z of central gear (14)
14Differing is 3, and movable teeth rack (13) connects firmly with frame, central gear (14) and output shaft (10) key connecting; Above-mentioned rolling moved oscillating tooth (12) and is comprised of rolling assembly and moving assembly two-part, wherein rolling assembly is comprised of sleeve (15) and needle roller (16), moving assembly is by mobile pin (17), moving block (18) forms, 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 move in the radially guide groove of movable teeth rack (13) and form sliding pair with movable teeth rack (13), the outer cylinder surface of sleeve (15) is meshed respectively with the interior heterogeneous cam ring (11) of evagination and central gear (14) and respectively forms a rolling pair, moving block (18) and mobile pin (17) Spielpassung, so that the radially guide groove of the large end of mobile pin (17) and moving block (18) energy self adaption movable teeth rack avoids occurring stuck phenomenon; The output shaft rotating speed depends on that the poor cam ring of any tooth rolls the velocity ratio that moves Oscillating Tooth Gear Reducer, and suitably select the poor cam ring of any tooth to roll to move Oscillating Tooth Gear Reducer join the tooth scheme, can obtain larger velocity ratio, can realize low-speed big output.
3. according to claim 1, any poor cam of tooth rolls and moves transmission internal combustion engine in the 2 described evaginations, it is characterized in that: the outside of heterogeneous cam ring (11) is four phase cams with four projections that are mutually 90 ° of angles and axle center symmetry in the above-mentioned evagination, inside is heterogeneous cam ring, namely inside is to have three three-phase cam rings that are mutually the projection of 120 ° of angles and axle center symmetry, himself quality complete equilibrium, its profilogram is cosine curve, so heterogeneous cam ring (11) is the cam in the cam mechanism in the evagination, be again that the poor cam ring of any tooth rolls the heterogeneous cam ring that moves in the movable tooth drive mechanism, the poor cam ring of whole any tooth rolls and moves the inside that movable tooth drive mechanism is embedded in heterogeneous cam ring (11) in the evagination.
According to claim 1 to the 3 described evaginations arbitrarily the poor cam of tooth roll and move transmission internal combustion engine, it is characterized in that: above-mentioned internal-combustion engine, in evagination heterogeneous cam ring (11) around circular symmetric uniform eight cylinders (3), wherein any two 180 ° of cylinder pistons that are arranged symmetrically with (6) 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 heterogeneous cam ring (11) corner in the evagination; Cylinder piston (6) passes through the straight reciprocating motion of push rod (7) so that heterogeneous cam ring (11) rotation in the evagination, heterogeneous cam ring rolls power and moves Oscillating Tooth Gear Reducer and pass to output shaft (10) with the central gear key connecting through any poor cam ring of tooth in the evagination, and last power is exported by output shaft (10).
According to claim 1 to the 4 described evaginations arbitrarily the poor cam of tooth roll and move transmission internal combustion engine, it is characterized in that: the poor cam ring of tooth rolls and moves in the Oscillating Tooth Gear Reducer arbitrarily, roll and move oscillating tooth (12) and central gear (14) and the interior heterogeneous cam ring (11) of evagination is multiple tooth engagement, so can realize transmission high-power, high pulling torque.
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| CN201210564987.0A CN103032164B (en) | 2012-12-24 | 2012-12-24 | Outer convex inner arbitrary gear difference cam is rolled and is moved transmission internal combustion engine |
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| CN201210564987.0A CN103032164B (en) | 2012-12-24 | 2012-12-24 | Outer convex inner arbitrary gear difference cam is rolled and is moved transmission internal combustion engine |
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| CN103147856A (en) * | 2013-01-07 | 2013-06-12 | 四川大学 | Outer convex cam roller transmission internal combustion engine with any inner tooth difference |
| CN105715369A (en) * | 2016-01-26 | 2016-06-29 | 四川大学 | Arbitrary tooth difference internal cam driven roller pin and roller block type internal combustion engine |
| CN105971723A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Quadruple cylinder engine provided with cylindrical cam with overhead rollers |
| CN105971725A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Roller lateral dynamic cylindrical cam four-cylinder engine |
| CN105971724A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Horizontally-opposed cylindrical cam engine |
| CN106402362A (en) * | 2016-09-23 | 2017-02-15 | 燕山大学 | Real-time gap-eliminating type weak-rigidity push rod oscillating gear transmission device |
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| CN102828821A (en) * | 2012-09-10 | 2012-12-19 | 四川大学 | Two-phase shock wave rolling type high-speed internal combustion engine |
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| CN103147856A (en) * | 2013-01-07 | 2013-06-12 | 四川大学 | Outer convex cam roller transmission internal combustion engine with any inner tooth difference |
| CN105715369A (en) * | 2016-01-26 | 2016-06-29 | 四川大学 | Arbitrary tooth difference internal cam driven roller pin and roller block type internal combustion engine |
| CN105971723A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Quadruple cylinder engine provided with cylindrical cam with overhead rollers |
| CN105971725A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Roller lateral dynamic cylindrical cam four-cylinder engine |
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| CN106402362A (en) * | 2016-09-23 | 2017-02-15 | 燕山大学 | Real-time gap-eliminating type weak-rigidity push rod oscillating gear transmission device |
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