CN103047003A - Outside-protruding-inside random tooth difference cam moving type transmission combustion engine - Google Patents
Outside-protruding-inside random tooth difference cam moving type transmission combustion engine Download PDFInfo
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- CN103047003A CN103047003A CN2013100125676A CN201310012567A CN103047003A CN 103047003 A CN103047003 A CN 103047003A CN 2013100125676 A CN2013100125676 A CN 2013100125676A CN 201310012567 A CN201310012567 A CN 201310012567A CN 103047003 A CN103047003 A CN 103047003A
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Abstract
The invention discloses an outside-protruding-inside random tooth difference cam moving type transmission combustion engine, relates to the field of gas power and belongs to multi-cylinder engines. Eight cylinders of the novel combustion engine are symmetrically and evenly distributed on the circumference of an outside-protruding-inside multiphase inner cam, so that the resultant force exerted on the outside-protruding-inside multiphase inner cam is zero, pistons of the cylinders directly act on the outside-protruding-inside multiphase inner cam through push rods, and motive power is transmitted to an output shaft connected with a central gear by the outside-protruding-inside multiphase inner cam through movable oscillating tooth transmission of a random tooth different inner cam. The combustion engine omits a connection rod and a crank shaft in a traditional combustion engine, and an outside-protruding-inside multiphase inner cam shock wave mobile transmission mechanism has the advantages of having no eccentric mass, and having inertia force and self-balance of working load. The rotating speed of the output shaft depends on the transmission ratio of the oscillating tooth transmission, if an oscillating tooth carrier is fixed, the central gear performs outputting in a low-speed large-torque mode, and the outside-protruding-inside random tooth difference cam moving type transmission combustion engine can be widely applied to engineering machinery, armored cars and the like which need large power and is simple and compact in structure, small in axial dimension, self-balanced in stress and stable in operation.
Description
Technical field
The present invention relates to the gas power field, more particularly, is the portable transmission internal combustion engine of the poor cam of any tooth in a kind of evagination.
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, internal-combustion engine and speed change gear are two independently machines usually, and internal-combustion engine needs that speed changer 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 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 low-speed big quartastroke engine---any portable transmission internal combustion engine of the poor cam of tooth in the evagination.
The present invention is that the technological scheme that its technical problem of solution is taked is: the portable transmission internal combustion engine of the poor cam of any tooth in a kind of evagination mainly is comprised of heterogeneous cam ring (11), oscillating tooth (12), movable teeth rack (13), central gear (14) and starting system, gas distribution system, cooling system, oil supply system, lubrication system etc. in exhaust valve (1), cylinder head (2), cylinder (3), intake valve (4), cylinder body (5), push rod (6), piston (7), spring (8), roller (9), output shaft (10), the evagination.It is characterized in that: in evagination heterogeneous cam ring (11) around circular symmetric uniform eight cylinders (3), heterogeneous cam ring shock wave movement and transmission mechanism changes the linear reciprocating motion of piston into output shaft rotatablely move in the evagination---and cylinder piston (7) directly acts on the interior heterogeneous cam ring (11) of evagination by push rod (6), order about heterogeneous cam ring (11) rotation in the evagination, the inner surface profile of heterogeneous cam ring (11) promotion oscillating tooth (12) is mobile in the radially guide groove of movable teeth rack (13) in the evagination, and movable teeth rack (13) is fixedly connected with frame, so oscillating tooth is meshed with central gear (14) under the effect of contraction of movable teeth rack and forces central gear (14) to rotate, central gear (14) is realized at a high speed output with transmission of power to output shaft (10) by key connecting.
In technique scheme, heterogeneous cam ring shock wave movement and transmission mechanism is organically combined by cam mechanism and any poor cam ring movable teeth drive of tooth mechanism in the evagination.Wherein, cam mechanism is by push rod (6), roller (9), heterogeneous cam ring (11) in the evagination, cylinder body (5), spring (8) forms, one end of push rod (6) and piston (7) are fixedly connected, the other end is equipped with roller (9), roller (9) makes between the interior heterogeneous cam ring (11) of push rod (6) and evagination 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 (3) bottom, spring (8) contacts the roller (9) on the push rod (6) 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 movable teeth drive of tooth mechanism forms by heterogeneous cam ring (11) in the evagination, oscillating tooth (12), movable teeth rack (13), central gear (14) with the output shaft (10) of its key connecting.The outer surface of heterogeneous cam ring (11) is four phase cam contours 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, so heterogeneous cam ring (11) is the cam in the cam mechanism in the evagination, it is again the heterogeneous cam ring in the poor cam ring movable teeth drive of any tooth mechanism, the poor cam ring movable teeth drive of whole any tooth mechanism is built in the inside of heterogeneous cam ring (11) in the evagination, heterogeneous cam ring (11) organically unites two into one internal-combustion engine and any poor cam ring movable teeth drive of tooth in the evagination, makes the combustion machine need not to be equipped with retarder again.
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.The oscillating tooth number
And the wave number of central gear (14)
Differ is 3, movable teeth rack (13) connects firmly with frame, central gear (14) and output shaft (10) key connecting, oscillating tooth (12) is meshed respectively and all forms higher pair with the interior heterogeneous cam ring (11) of evagination, central gear (14), oscillating tooth (12) can move in the radially guide groove of movable teeth rack (13), and oscillating tooth and movable teeth rack (13) form sliding pair.In any poor cam ring movable teeth drive of tooth, interior profile and the oscillating tooth of heterogeneous cam ring are multiple tooth engagement in the evagination, so can realize transmission high-power, high pulling torque.
In technique scheme, the outside of heterogeneous cam ring (11) is to have four four phase cams that are mutually the projection of 90 ° of angles and axle center symmetry in the evagination, uniform eight cylinders of circular symmetric (3) on every side of heterogeneous cam ring (11) in the evagination, 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, work by combustion stroke and exhaust stroke, the stroke of piston process of two adjacent groups cylinder is 45 ° corresponding to heterogeneous cam ring (11) corner phase difference in the evagination.
In technique scheme, the output shaft rotating speed depends on the velocity ratio of the poor cam ring movable teeth drive of any tooth, and suitably select the poor cam ring movable teeth drive of any tooth join the tooth scheme, can obtain larger velocity ratio, can realize low-speed big output.
Compared with the prior art main inventive point of the present invention is.
1. in evagination heterogeneous cam ring around uniform eight cylinders of circular symmetric, cylinder piston orders about heterogeneous cam ring rotation in the evagination by the straight reciprocating motion of push rod, heterogeneous cam ring is passed to output shaft with the central gear key connecting with power through any poor cam ring movable teeth drive of tooth in the evagination, and last power is exported by output shaft.
2. 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 movable teeth drive of any tooth mechanism is built in the inside of heterogeneous cam ring in the evagination, namely be built in the cam of cam mechanism, make in the cam mechanism cam and arbitrarily the heterogeneous cam ring in the poor cam ring movable teeth drive of the tooth mechanism unite two into one, obtain heterogeneous cam ring shock wave movement and transmission 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 (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.
3. the pto＝power take-off of internal-combustion engine is the output shaft with the central gear key connecting, the poor cam ring movable teeth drive of tooth is 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.
4. the output shaft rotating speed depends on the velocity ratio of the poor cam ring movable teeth drive of any tooth, and suitably select the poor cam ring movable teeth drive of any tooth join the tooth scheme, can obtain larger velocity ratio, and shock wave device is heterogeneous cam ring, the oscillating tooth number
Wave number with central gear
Differing is 3, does not need eccentric the installation, and whole mechanism is subjected to force self-balanced.
5. in any poor cam ring movable teeth drive of tooth, heterogeneous cam ring and oscillating tooth are multiple tooth engagement in the evagination, so can realize transmission high-power, high pulling torque.
The present invention compares with existing reciprocating type crankshaft-link rod type internal-combustion engine, has following useful technique effect.
1. vibrate little, impact is little, noise is little, smooth running
Because the present invention adopts heterogeneous cam ring shock wave movement and transmission mechanism in the evagination to replace connecting rod in the existing crankshaft-link rod type internal-combustion engine, completely abolished crankshaft-and-connecting-rod, heterogeneous cam ring and any poor cam ring movable teeth drive of tooth mechanism all are axially symmetric structures in the evagination, 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; In evagination heterogeneous cam ring around circular symmetric uniform eight cylinders, wherein any two cylinder piston working staties of being arranged symmetrically with of being separated by 180 ° are synchronous, that is: or simultaneously gaseous combustion acting or simultaneously exhaust or simultaneously air-breathing or simultaneously compression, therefore, impact force always occurs in pairs, can cancel each other, and it is zero that the interior heterogeneous cam ring of evagination is made a concerted effort, so impact shock is less, thereby internal combustion engine operation is steady.
2. volume is little, lightweight, axial dimension is little, compact structure
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 the poor cam ring movable teeth drive of tooth mechanism is built in the interior heterogeneous cam ring of evagination arbitrarily, heterogeneous cam ring is the cam in the cam mechanism in the evagination, again the heterogeneous cam ring in the poor cam ring movable teeth drive of any tooth 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 power that heterogeneous cam ring shock wave movement and transmission mechanism output piston produces in the evagination, 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 reduces 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 movable teeth drive of tooth is 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 needing can be widely used in the fields such as powerful engineering machinery, military affairs, national defence, such as excavator, bulldozer, tank, armored vehicle 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 passes to output shaft output by any poor cam ring movable teeth drive of tooth.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.The poor cam ring movable teeth drive of tooth is that multiple tooth engagement, bearing capacity are large arbitrarily, and because of multiple tooth simultaneously engagement, output rigidity is large, and transmission is also more steadily reliable.Simultaneously the stressed autobalance of himself and inner oscillating tooth thereof can be realized and guarantee to heterogeneous cam ring in the evagination, 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 0.95.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 contour 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
The poor cam ring movable teeth drive of tooth is multiple tooth engagement arbitrarily, stable drive, and oscillating 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 portable transmission internal combustion engine of the poor cam of any tooth in the evagination.
Fig. 2 is the schematic representation of the interior heterogeneous cam ring of evagination and the poor cam ring movable teeth drive of any tooth mechanism.
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 push rods; 7 pistons; 8 springs; 9 rollers; 10 output shafts; Heterogeneous cam ring in 11 evaginations; 12 oscillating tooths; 13 movable teeth racks; 14 central gears.
Specific embodiment
Fig. 1, the portable transmission internal combustion engine of the poor cam of any tooth is comprised of heterogeneous cam ring (11), oscillating tooth (12), movable teeth rack (13), central gear (14) etc. in exhaust valve (1), cylinder head (2), cylinder (3), intake valve (4), cylinder body (5), push rod (6), piston (7), spring (8), roller (9), output shaft (10), the evagination in the evagination shown in Figure 2.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 (7) is arranged in each cylinder (3), one end of push rod (6) and piston (7) are fixed together, the other end is equipped with roller (9), it is that rolling friction connects between the two that roller (9) makes push rod (6) and the interior heterogeneous cam ring (11) of evagination, one end of spring (8) is fixed on the bottom of piston (7), 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 (6) 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.Form cam mechanism by heterogeneous cam ring (11), cylinder body (5), spring (8) in the piston (7), push rod (6), roller (9), evagination, formed the poor cam ring movable teeth drive of any tooth mechanism by heterogeneous cam ring (11) in the evagination, oscillating tooth (12), movable teeth rack (13), central gear (14) with the output shaft (10) of central gear (14) key connecting.Heterogeneous cam ring (11) is organically integrated this cam mechanism and any poor cam ring movable teeth drive of tooth mechanism in the evagination.Heterogeneous cam ring (11) is the cam in the cam mechanism in the evagination, be again the heterogeneous cam ring in the poor cam ring movable teeth drive of any tooth mechanism, the poor cam ring movable teeth drive of whole any tooth mechanism is embedded in the inside of heterogeneous cam ring (11) in the evagination.Movable teeth rack (13) connects firmly with frame, central gear (14) and output shaft (10) key connecting, the shaft axis of heterogeneous cam ring (11), movable teeth rack (13) and the parts such as central gear (14), output shaft (10) overlaps and is supported by rack bearing in the evagination, heterogeneous cam ring (11), central gear (14) the formation higher pair that is meshed respectively in oscillating tooth (12) and the evagination, oscillating tooth (12) can move in the radially guide groove of movable teeth rack (13), and oscillating tooth and movable teeth rack (13) form sliding pair.Internal-combustion engine of the present invention not only has the series of advantages of the poor cam ring movable teeth drive of any tooth, 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 (7), namely when in the evagination during heterogeneous cam ring (11) uniform rotation, piston (7) 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 movable teeth drive of tooth is with heterogeneous cam ring (11) input power in the evagination arbitrarily, movable teeth rack (13) is fixing, central gear (14) 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 (7) in the gaseous combustion acting cylinder, its driving force directly acts on the interior heterogeneous cam ring (11) of evagination by push rod (6), promote the interior heterogeneous cam ring (11) of evagination and be rotated counterclockwise, power is passed to output shaft (10) output by heterogeneous cam ring (11) in the evagination through any poor cam ring movable teeth drive of tooth mechanism; Because the rotation of heterogeneous cam ring (11) in the evagination, the profile of roller (9) heterogeneous cam ring (11) in evagination rolls and makes push rod (6) and do not have the piston (7) of acting to slide in cylinder (3), finishes stroke 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 to get altogether 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 ° counterclockwise in 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 internal surface of heterogeneous cam ring promotion oscillating tooth (12) is mobile in the radially guide groove of movable teeth rack (13) in the evagination, oscillating tooth (12) meshes with central gear (14) under the effect of contraction of movable teeth rack (13), drive central gear (14) and rotate, and by with the output shaft (10) 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 (7) 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 being made a concerted effort is zero.Since in the evagination heterogeneous cam ring (11) and arbitrarily the poor cam ring movable teeth drive of tooth mechanism 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 the number of teeth of oscillating tooth (12)
, central gear (14) wave number
, the rotating speed of heterogeneous cam ring (11) is in the evagination
Movable teeth rack (13) fixing (
), then the velocity ratio of the poor cam ring movable teeth drive of tooth is arbitrarily:
So
, as seen, central gear (14), output shaft (10) turn to evagination in heterogeneous cam ring (11) identical, but rotating speed heterogeneous cam ring (11) in the evagination, internal-combustion engine deceleration outputting power can be realized low-speed big output.This specific character is suitable for needing the occasion of high pulling torque output, needing can be widely used in the fields such as aviation, engineering machinery of high-power high pulling torque, such as tank, armored vehicle and 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 (4)
1. any portable transmission internal combustion engine of the poor cam of tooth in the evagination, mainly by exhaust valve (1), cylinder head (2), cylinder (3), intake valve (4), cylinder body (5), push rod (6), piston (7), spring (8), roller (9), output shaft (10), heterogeneous cam ring (11) in the evagination, oscillating tooth (12), movable teeth rack (13), central gear (14) and gas distribution system, starting 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 shock wave movement and transmission mechanism changes the linear reciprocating motion of piston into output shaft rotatablely move in the evagination---and cylinder piston (7) directly orders about heterogeneous cam ring (11) rotation in the evagination by the straight reciprocating motion of push rod (6), heterogeneous cam ring is passed to output shaft (10) with central gear (14) key connecting with power through any poor cam ring movable teeth drive of tooth in the evagination, last power is exported by output shaft (10), heterogeneous cam ring (11) organically combines internal-combustion engine and any poor cam ring movable teeth drive of tooth together in the evagination, makes internal-combustion engine need not to be equipped with retarder again; Heterogeneous cam ring shock wave movement and transmission mechanism is organically combined by cam mechanism and any poor cam ring movable teeth drive of tooth mechanism in the above-mentioned evagination, wherein cam mechanism is by push rod (6), heterogeneous cam ring (11) in the evagination, cylinder body (5), spring (8) forms, one end of push rod (6) and piston (7) are fixedly connected, the other end is equipped with roller (9), roller (9) makes in push rod (6) and the evagination between the heterogeneous cam ring (11) as rolling friction connects, and the roller (9) on the push rod (6) contacts with heterogeneous cam ring (11) in the evagination all the time because of the effect of spring (8); Arbitrarily the poor cam ring movable teeth drive of tooth mechanism forms by heterogeneous cam ring (11) in the evagination, oscillating tooth (12), movable teeth rack (13), central gear (14) with the output shaft (10) of its key connecting, and the shaft axis of output shaft (10), the interior heterogeneous cam ring (11) of evagination, movable teeth rack (13) and central gear (14) four parts overlaps and is supported the oscillating tooth number by rack bearing
And the wave number of central gear (14)
Differ is 3, movable teeth rack (13) connects firmly with frame, central gear (14) and output shaft (10) key connecting, heterogeneous cam ring (11), central gear (14) the formation higher pair that is meshed respectively in oscillating tooth (12) and the evagination, oscillating tooth (12) can move in the radially guide groove of movable teeth rack (13), and oscillating tooth and movable teeth rack (13) form sliding pair; 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 the heterogeneous cam ring in the poor cam ring movable teeth drive of any tooth mechanism, the poor cam ring movable teeth drive of whole any tooth mechanism is built in the inside of heterogeneous cam ring (11) in the evagination.
2. any portable transmission internal combustion engine of the poor cam of tooth in the evagination according to claim 1, it is characterized in that: the output shaft rotating speed depends on the velocity ratio of the poor cam ring movable teeth drive of any tooth, and suitably select the poor cam ring movable teeth drive of any tooth join the tooth scheme, larger velocity ratio can be obtained, low-speed big output can be realized.
3. according to claim 1, the portable transmission internal combustion engine of the poor cam of any tooth in the 2 described evaginations, it is characterized in that: in the above-mentioned internal-combustion engine, in the evagination heterogeneous cam ring (11) around circular symmetric uniform eight cylinders (3), 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 heterogeneous cam ring (11) corner in the evagination; Cylinder piston (7) directly acts on the interior heterogeneous cam ring (11) of evagination by push rod (6), order about heterogeneous cam ring (11) rotation in the evagination, the inner surface profile of heterogeneous cam ring (11) promotion oscillating tooth (12) is mobile in the radially guide groove of movable teeth rack (13) in the evagination, and movable teeth rack (13) is fixedly connected with frame, so oscillating tooth is meshed with central gear (14) under the effect of contraction of movable teeth rack and forces central gear (14) to rotate, central gear (14) is realized at a high speed output with transmission of power to output shaft (10) by key connecting.
4. any portable transmission internal combustion engine of the poor cam of tooth to the 3 described evaginations according to claim 1, it is characterized in that: arbitrarily in the poor cam ring movable teeth drive of tooth, interior profile and the oscillating tooth of heterogeneous cam ring are multiple tooth engagement in the evagination, so can realize transmission high-power, high pulling torque.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110135081A (en) * | 2019-05-20 | 2019-08-16 | 哈尔滨工程大学 | A kind of internal combustion engine tribology Expert System Design method based on artificial intelligence |
| CN115488268A (en) * | 2022-09-22 | 2022-12-20 | 东莞市杜氏诚发精密弹簧有限公司 | Spring machine |
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| 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 |
| CN110135081A (en) * | 2019-05-20 | 2019-08-16 | 哈尔滨工程大学 | A kind of internal combustion engine tribology Expert System Design method based on artificial intelligence |
| CN115488268A (en) * | 2022-09-22 | 2022-12-20 | 东莞市杜氏诚发精密弹簧有限公司 | Spring machine |
| CN115488268B (en) * | 2022-09-22 | 2024-03-08 | 东莞市杜氏诚发精密弹簧有限公司 | Spring machine |
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