CN103147856A - Outer convex cam roller transmission internal combustion engine with any inner tooth difference - Google Patents

Outer convex cam roller transmission internal combustion engine with any inner tooth difference Download PDF

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CN103147856A
CN103147856A CN2013100040292A CN201310004029A CN103147856A CN 103147856 A CN103147856 A CN 103147856A CN 2013100040292 A CN2013100040292 A CN 2013100040292A CN 201310004029 A CN201310004029 A CN 201310004029A CN 103147856 A CN103147856 A CN 103147856A
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cam ring
evagination
tooth
heterogeneous
combustion engine
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梁尚明
贺飞飞
张�杰
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Sichuan University
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Sichuan University
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Abstract

The invention discloses an outer convex cam roller transmission internal combustion engine with any inner tooth difference, relates to the field of gas power and belongs to a multi-cylinder engine. The invention provides a novel internal combustion engine; eight cylinders are annularly and symmetrically distributed at the periphery of an outer convex multiphase inner cam evenly, so that the force of the outer convex multiphase inner cam is zero; pistons of the cylinders directly act on the outer convex multiphase inner cam by push rods; and power is transmitted to an output shaft which is connected with a center wheel in a key way by the outer convex multiphase inner cam through cam roller oscillating teeth with any inner tooth-difference. The internal combustion engine omits connecting rods and crankshafts of the traditional internal combustion engine; and an outer convex multiphase inner cam roller transmission mechanism does not have eccentric mass and has the advantages of inertia force and working load self-balancing. The rotating speed of the output shaft depends on the transmission ratio of oscillating tooth transmission; if an oscillating tooth carrier is fixed, the center wheel is output in large torque and at the lower speed; and the outer convex cam roller transmission internal combustion engine with any inner tooth difference can be widely used for the fields of engineering and military in need of the high power, such as engineering machinery, armored cars and the like. The internal combustion engine has the advantages of simplicity and compactness in structure, small axial dimension, self-balancing in stress and stability in operation.

Description

Any poor cam bawl transmission internal combustion engine of tooth in evagination
Technical field
The present invention relates to the gas power field, more particularly, is any poor cam bawl transmission internal combustion engine of 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 is all connecting rod, by connecting rod by 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 and order about bent axle and rotate by the plane motion of the straight line motion of piston and connecting rod, exist larger friction thereby cause between each kinematic pair, cause 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, 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, manufacture, assembling etc. are all more difficult; In addition, internal-combustion engine and speed change gear are two independently machines usually, and internal-combustion engine needs speed changer to be installed in addition for follow-up speed change, causes bulky.
Summary of the invention
The objective of the invention is: the above-mentioned shortcoming existed 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, efficiency is high low-speed big quartastroke engine---the poor cam bawl transmission internal combustion engine of tooth arbitrarily in evagination.
The present invention is that the technological scheme that its technical problem of solution is taked is: any poor cam bawl transmission internal combustion engine of 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), evagination.Its feature: in evagination heterogeneous cam ring (11) around circular symmetric uniform eight cylinders (3), the linear reciprocating motion of piston is changed into output shaft rotatablely move in heterogeneous cam ring roller transmission mechanism in 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 evagination, in evagination, the inner surface profile of heterogeneous cam ring (11) promotion oscillating tooth (12) rolls in the radially guide groove of movable teeth rack (13), movable teeth rack (13) is fixedly connected with frame, therefore oscillating tooth is meshed with central gear (14) under the effect of contraction of movable teeth rack and force central gear (14) to rotate, central gear (14) is realized at a high speed output by transmission of power to output shaft (10) by key connecting.
In technique scheme, in evagination heterogeneous cam ring roller transmission mechanism by cam mechanism and arbitrarily the poor cam ring roller oscillating tooth of tooth driving mechanism organically combine.Wherein, cam mechanism is by push rod (6), roller (9), heterogeneous cam ring (11) in 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 for rolling friction, to connect between the interior heterogeneous cam ring (11) of push rod (6) and evagination, one end of spring (8) is fixed on below piston (7), the other end is fixed on the boss of cylinder (3) bottom, spring (8) contacts the roller (9) on push rod (6) all the time with heterogeneous cam ring (11) in evagination, each cylinder is furnished with piston, push rod and spring with roller.
Arbitrarily the poor cam ring roller oscillating tooth of tooth driving mechanism is by heterogeneous cam ring (11), oscillating tooth (12), movable teeth rack (13), central gear (14) in evagination with form with the output shaft (10) of its key connecting.In evagination, the outer surface of heterogeneous cam ring (11) is four phase cam profiles, inside is heterogeneous cam ring, 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, therefore in evagination, heterogeneous cam ring (11) is the cam in cam mechanism, it is again the heterogeneous cam ring in the poor cam ring roller oscillating tooth of any tooth driving mechanism, the poor cam ring roller oscillating tooth of whole any tooth driving mechanism is built in the inside of heterogeneous cam ring (11) in evagination, in evagination, heterogeneous cam ring (11) organically unites two into one internal-combustion engine and any poor cam ring roller oscillating tooth of tooth transmission, make the combustion machine without being equipped with again retarder.Above-mentioned oscillating tooth (12) can be short columnar roller, can be also steel ball.
In evagination, the outer surface cam profile curve of heterogeneous cam ring (11) can need to be selected according to actual design, to obtain best dynamic performance, improves the energy conversion efficiency of internal-combustion engine.In output shaft (10), evagination, 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.Oscillating tooth is counted Z 12and the wave number Z of central gear (14) 14differ 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 heterogeneous cam ring (11), central gear (14) in evagination, oscillating tooth (12) can roll in the radially guide groove of movable teeth rack (13), and oscillating tooth and movable teeth rack (13) form higher pair.In any poor cam ring roller oscillating tooth of tooth transmission, in evagination, interior profile and the oscillating tooth of heterogeneous cam ring are multiple tooth engagement, therefore can realize transmission high-power, high pulling torque.
In technique scheme, in evagination, 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, 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 (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 evagination.
In technique scheme, the output shaft rotating speed depends on the velocity ratio of the poor cam ring roller oscillating tooth of any tooth transmission, and suitably select the transmission of the poor cam ring roller oscillating tooth 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 evagination by the straight reciprocating motion of push rod, heterogeneous cam ring is passed to the output shaft with the central gear key connecting by power through the poor cam ring roller oscillating tooth of tooth transmission arbitrarily in evagination, and last power is exported by output shaft.
2. in evagination, the outside of heterogeneous cam ring is to have four four phase cams that are mutually 90 ° of angle projections, and inside is heterogeneous cam ring, 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 roller oscillating tooth of any tooth driving mechanism is built in to the inside of heterogeneous cam ring in evagination, be built in the cam of cam mechanism, cam in cam mechanism is united two into one with the heterogeneous cam ring in any poor cam ring roller oscillating tooth of tooth driving mechanism, obtain heterogeneous cam ring roller transmission mechanism in evagination, and replace the connecting rod in existing crankshaft-link rod type internal-combustion engine with this new mechanism, the Oscillating Tooth Gear Reducer technology is introduced to technical field of internal combustion engines, not only thoroughly removed crankshaft-and-connecting-rod, and internal-combustion engine and speed change gear (retarder) are united two into one, obtained a kind of compact structure, small and exquisite novel high-power power machine, with crankshaft-link rod type internal-combustion engine, compare, 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 transmission of the poor cam ring roller oscillating tooth of tooth is with heterogeneous cam ring input power in 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 roller oscillating tooth of any tooth transmission, and suitably select the transmission of the poor cam ring roller oscillating tooth of any tooth join the tooth scheme, can obtain larger velocity ratio, and shock wave device is heterogeneous cam ring, oscillating tooth is counted Z 12wave number Z with central gear 14differing is 3, does not need eccentric the installation, and whole mechanism is subject to force self-balanced.
5. in any poor cam ring roller oscillating tooth of tooth transmission, in evagination, heterogeneous cam ring and oscillating tooth are multiple tooth engagement, therefore can realize transmission high-power, high pulling torque.
The present invention compares with existing reciprocating crankshaft-link rod type internal-combustion engine, has following useful technique effect.
1. vibrate little, impact little, noise is little, smooth running
Because adopting heterogeneous cam ring roller transmission mechanism in evagination, the present invention replaced the connecting rod in existing crankshaft-link rod type internal-combustion engine, completely abolished crankshaft-and-connecting-rod, in evagination, heterogeneous cam ring and any poor cam ring roller oscillating tooth of tooth driving mechanism are all axially symmetric structures, there is no eccentric mass and uneven centrifugal force, eliminate the inertial force and tilting moment and consequent impact shock and the noise that cause do plane motion because of bent axle mass eccentricity, connecting rod, 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, or simultaneously gaseous combustion acting or exhaust simultaneously or air-breathing or compression simultaneously simultaneously that is:, 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, therefore impact shock is less, thereby internal combustion engine operation is steady.
2. volume is little, lightweight, axial dimension is little, compact structure
Due to the bent axle of having cancelled bulky complex, each air cylinder annular symmetry is distributed on around the interior heterogeneous cam ring of evagination, and the poor cam ring roller oscillating tooth of tooth driving mechanism is built in the interior heterogeneous cam ring of evagination arbitrarily, in evagination, heterogeneous cam ring is the cam in cam mechanism, again the heterogeneous cam ring in the poor cam ring roller oscillating tooth of any tooth driving 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 roller transmission mechanism output piston produces in evagination, and internal-combustion engine and speed change gear (retarder) are united two into one, and without separately joining speed reducer, 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 transmission of the poor cam ring roller oscillating tooth of tooth is with heterogeneous cam ring input power in 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 powerful engineering machinery, military affairs, national defence, such as excavator, bulldozer, tank, armored vehicle etc.
Fretting wear little, be subject to force self-balanced, oil consumption is low, efficiency is high, the life-span is long
Because the driving force of piston is directly passed to heterogeneous cam ring in evagination by the push rod roller and passes to output shaft output by any poor cam ring roller oscillating tooth of tooth transmission.In piston push rod and evagination between heterogeneous cam ring for rolling friction connects, transmission efficiency is high, has cancelled serious wear, connecting rod that friction power loss is large.The transmission of the poor cam ring roller oscillating tooth of tooth is that multiple tooth engagement, bearing capacity are large arbitrarily, is again the engagement of rolling, and transmission efficiency is high, and because of multiple tooth engagement simultaneously, output rigidity is large, and transmission is also more steadily reliable.Simultaneously in evagination, the stressed autobalance of himself and inner oscillating tooth thereof can be realized and guarantee to heterogeneous cam ring, do not exist in transmission device in the poor Oscillating Tooth Gear Reducer of a tooth and need eccentric inertial force, excitation force and the tilting moment etc. of shock wave device (eccentric cam) being installed and existing, avoided the vibrational excitation of transmission device from transmission principle, thereby be conducive to improve the efficiency 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. there is 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 evagination fully, so can design cam contour by choosing appropriate piston movement rule, and appropriate piston movement rule should make, gaseous combustion in cylinder is abundant, perfect, the fuel thermal energy utilization ratio is high, 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 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 transmission of the poor cam ring roller oscillating tooth of tooth is multiple tooth engagement arbitrarily, stable drive, and oscillating tooth can jointly be shared load and realize power dividing.Therefore internal combustion engine operation is steady, the ability of opposing shock and vibration is stronger, and bearing capacity is large.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.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 not in the situation that pay creative work; also can design at an easy rate other embodiment; therefore the embodiment of embodiment given below should be interpreted as to protection scope of the present invention, protection scope of the present invention is limited in to given embodiment.
Fig. 1 is the structural representation of any poor cam bawl transmission internal combustion engine of tooth in evagination.
Fig. 2 is the schematic diagram of the interior heterogeneous cam ring of evagination and the poor cam ring roller oscillating tooth of any tooth driving 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, any poor cam bawl transmission internal combustion engine of tooth in evagination shown in Fig. 2, be 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), evagination.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), roller (9) connects heterogeneous cam ring (11) in push rod (6) and evagination between the two for rolling friction, 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 push rod (6) is contacted with heterogeneous cam ring (11) in evagination all the time.In evagination, the outside of heterogeneous cam ring (11) is the four phase cams with four projections that are mutually 90 ° of angles and axle center symmetry, inside is heterogeneous cam ring, 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.Formed cam mechanism by heterogeneous cam ring (11), cylinder body (5), spring (8) in piston (7), push rod (6), roller (9), evagination, by heterogeneous cam ring (11), oscillating tooth (12), movable teeth rack (13), central gear (14) in evagination with formed the poor cam ring roller oscillating tooth of any tooth driving mechanism with the output shaft (10) of central gear (14) key connecting.In evagination, heterogeneous cam ring (11) is organically integrated this cam mechanism and any poor cam ring roller oscillating tooth of tooth driving mechanism.In evagination, heterogeneous cam ring (11) is the cam in cam mechanism, be again the heterogeneous cam ring in the poor cam ring roller oscillating tooth of any tooth driving mechanism, the poor cam ring roller oscillating tooth of whole any tooth driving mechanism is embedded in the inside of heterogeneous cam ring (11) in evagination.Movable teeth rack (13) connects firmly with frame, central gear (14) and output shaft (10) key connecting, in evagination, 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, oscillating tooth (12) is short columnar roller, heterogeneous cam ring (11), central gear (14) the formation higher pair that is meshed respectively in oscillating tooth (12) and evagination, oscillating tooth (12) can roll in the radially guide groove of movable teeth rack (13), and oscillating tooth and movable teeth rack (13) form higher pair.Internal-combustion engine of the present invention not only has the series of advantages of the poor cam ring roller oscillating tooth of any tooth transmission, and structure is very compact.In evagination, the outer surface cam profile curve of heterogeneous cam ring (11) can be chosen different curves on demand.The present embodiment makes by piston (7) the outer surface cam profile curve that the cosine acceleration motion rule is determined heterogeneous cam ring (11) in evagination, in 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 the present embodiment internal-combustion engine is the output shaft (10) with the central gear key connecting, the transmission of the poor cam ring roller oscillating tooth of tooth is with heterogeneous cam ring (11) input power in 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 (7) in gaseous combustion acting cylinder, its driving force directly acts on the interior heterogeneous cam ring (11) of evagination by push rod (6), promote heterogeneous cam ring (11) in evagination and be rotated counterclockwise, power is passed to output shaft (10) output by heterogeneous cam ring (11) in evagination through any poor cam ring roller oscillating tooth of tooth driving mechanism; Rotation due to heterogeneous cam ring (11) in evagination, roll on the profile of roller (9) heterogeneous cam ring (11) in evagination and make push rod (6) and do not have the piston (7) of acting to slide in cylinder (3), completing task air-breathing or pressurized gas or exhaust.In Fig. 1, using cylinder a and e, b and f, c and g, d and h each as one group, to obtain altogether four groups of cylinders.If the initial position of the piston in cylinder a, e in suction stroke, the initial position of piston in cylinder b, f in compression stroke, the initial position of piston in cylinder c, g in the gaseous combustion expansion stroke, the initial position of piston in cylinder d, h in exhaust stroke, the stroke process of two adjacent groups cylinder piston differs a stroke, corresponding to the phase difference of heterogeneous cam ring (11) corner in evagination, is 45 °.In evagination, heterogeneous cam ring (11) turns over after 45 ° counterclockwise, cylinder b, the f acting that takes fire again, in evagination, heterogeneous cam ring turns over after 45 ° more counterclockwise, cylinder a, the e acting that takes fire again, cylinder a, after the e work by combustion completes, be then cylinder d, the h acting that takes fire, take turns to again afterwards cylinder c and g work by combustion, so circulation is gone down, heterogeneous cam ring (11) in evagination is continuously and smoothly turned round, in evagination, the internal surface of heterogeneous cam ring promotion oscillating tooth (12) rolls in the radially guide groove of movable teeth rack (13), oscillating tooth (12) meshes with central gear (14) under the effect of contraction of movable teeth rack (13), drive central gear (14) to rotate, and by the output shaft (10) with central gear (14) key connecting continuously and smoothly by 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 evagination are: heterogeneous cam ring (11) only is subject to the effect of pure couple in evagination, and to make a concerted effort be zero.Due to heterogeneous cam ring (11) in evagination and arbitrarily the poor cam ring roller oscillating tooth of tooth driving mechanism not only there is structural symmetry, and stressed be also symmetrical, therefore be zero their suffered making a concerted effort, only be subject 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 the number of teeth of oscillating tooth (12)
Figure 717874DEST_PATH_IMAGE001
, central gear (14) wave number , in evagination, the rotating speed of heterogeneous cam ring (11) is
Figure 509560DEST_PATH_IMAGE003
.Movable teeth rack (13) fixing (
Figure 238482DEST_PATH_IMAGE004
), the velocity ratio of the poor cam ring roller oscillating tooth of tooth transmission is arbitrarily:
Figure 379613DEST_PATH_IMAGE005
Therefore
Figure 877591DEST_PATH_IMAGE006
, visible, central gear (14), output shaft (10) turn to identical with heterogeneous cam ring (11) in evagination, rotating speed is well below heterogeneous cam ring (11) in evagination, internal-combustion engine deceleration outputting power, can realize large torque low speed output.This specific character is well suited for needing the occasion of high pulling torque output, can be widely used in needing 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 the present embodiment also is provided with starting system, gas distribution system, lubrication system, oil supply system and cooling system etc.

Claims (7)

1. the poor cam bawl transmission internal combustion engine of tooth arbitrarily in 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 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, the linear reciprocating motion of piston is changed into output shaft rotatablely move in heterogeneous cam ring roller transmission mechanism in evagination---and cylinder piston (7) directly orders about heterogeneous cam ring (11) in evagination by the straight reciprocating motion of push rod (6) and rotates, heterogeneous cam ring is passed to the output shaft (10) with the central gear key connecting by power through the poor cam ring roller oscillating tooth of tooth transmission arbitrarily in evagination, last power is exported by output shaft (10), in evagination, heterogeneous cam ring (11) organically combines internal-combustion engine and any poor cam ring roller oscillating tooth of tooth transmission together, make the combustion machine without being equipped with again retarder.
2. the poor cam bawl transmission internal combustion engine of tooth arbitrarily in evagination according to claim 1, it is characterized in that: in above-mentioned evagination heterogeneous cam ring roller transmission mechanism by cam mechanism and arbitrarily the poor cam ring roller oscillating tooth of tooth driving mechanism organically combine, wherein cam mechanism is by push rod (6), heterogeneous cam ring (11) in 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 for rolling friction, to connect between the interior heterogeneous cam ring (11) of push rod (6) and evagination, roller (9) on push rod (6) contacts with heterogeneous cam ring (11) in evagination all the time because of the effect of spring (8), arbitrarily the poor cam ring roller oscillating tooth of tooth driving mechanism is by heterogeneous cam ring (11), oscillating tooth (12), movable teeth rack (13), central gear (14) in evagination with form with the output shaft (10) of its key connecting, and in output shaft (10), evagination, the shaft axis of heterogeneous cam ring (11), movable teeth rack (13) and central gear (14) four parts overlaps and is supported by rack bearing, and oscillating tooth is counted Z 12and the wave number Z of central gear (14) 14differ 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 evagination, oscillating tooth (12) can roll in the radially guide groove of movable teeth rack (13), and oscillating tooth and movable teeth rack (13) form higher pair.
3. according to any poor cam bawl transmission internal combustion engine of tooth in claim 1,2 described evaginations, it is characterized in that: 3.in above-mentioned evagination, the outside of heterogeneous cam ring (11) is the four phase cams with four projections that are mutually 90 ° of angles and axle center symmetry, inside is heterogeneous cam ring, 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, therefore in evagination, heterogeneous cam ring (11) is the cam in cam mechanism, it is again the heterogeneous cam ring in the poor cam ring roller oscillating tooth of any tooth driving mechanism, the poor cam ring roller oscillating tooth of whole any tooth driving mechanism is built in the inside of heterogeneous cam ring (11) in evagination.
4. according to any poor cam bawl transmission internal combustion engine of tooth in the described evagination of claims 1 to 3, it is characterized in that: above-mentioned oscillating tooth (12) can be short columnar roller, can be also steel ball.
5. according to any poor cam bawl transmission internal combustion engine of tooth in the described evagination of claim 1 to 4, it is characterized in that: the output shaft rotating speed depends on the velocity ratio of the poor cam ring roller oscillating tooth of any tooth transmission, and suitably select the transmission of the poor cam ring roller oscillating tooth of any tooth join the tooth scheme, larger velocity ratio can be obtained, low-speed big output can be realized.
6. according to any poor cam bawl transmission internal combustion engine of tooth in the described evagination of claim 1 to 5, it is characterized in that: in above-mentioned internal-combustion engine, in evagination heterogeneous cam ring (11) around circular symmetric uniform eight cylinders (3), cylinder piston (7) working state that wherein any two 180 degree of being separated by are arranged symmetrically with is 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 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 evagination, in evagination, the inner surface profile of heterogeneous cam ring (11) promotion oscillating tooth (12) rolls in the radially guide groove of movable teeth rack (13), and movable teeth rack (13) is fixedly connected with frame, therefore oscillating tooth is meshed with central gear (14) under the effect of contraction of movable teeth rack and force central gear (14) to rotate, central gear (14) is realized at a high speed output by transmission of power to output shaft (10) by key connecting.
7. according to any poor cam bawl transmission internal combustion engine of tooth in the described evagination of claim 1 to 6, it is characterized in that: in any poor cam ring roller oscillating tooth of tooth transmission, in evagination, interior profile and the oscillating tooth of heterogeneous cam ring are multiple tooth engagement, therefore can realize transmission high-power, high pulling torque.
CN2013100040292A 2013-01-07 2013-01-07 Outer convex cam roller transmission internal combustion engine with any inner tooth difference Pending CN103147856A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103089428A (en) * 2013-01-29 2013-05-08 四川大学 Exterior convex interior random tooth difference cam sleeve transmission internal-combustion engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658688A1 (en) * 1993-12-14 1995-06-21 Karl Urban Machine
CN102828821A (en) * 2012-09-10 2012-12-19 四川大学 Two-phase shock wave rolling type high-speed internal combustion engine
CN102828825A (en) * 2012-09-24 2012-12-19 四川大学 Symmetrical biphase cam swing type internal combustion engine with high rotating speed
CN102828824A (en) * 2012-09-19 2012-12-19 四川大学 Two-phase inner cam type swinging transmission internal combustion engine
CN103032164A (en) * 2012-12-24 2013-04-10 四川大学 Outer convex inner arbitrary gear difference cam rolling moving transmission internal-combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658688A1 (en) * 1993-12-14 1995-06-21 Karl Urban Machine
CN102828821A (en) * 2012-09-10 2012-12-19 四川大学 Two-phase shock wave rolling type high-speed internal combustion engine
CN102828824A (en) * 2012-09-19 2012-12-19 四川大学 Two-phase inner cam type swinging transmission internal combustion engine
CN102828825A (en) * 2012-09-24 2012-12-19 四川大学 Symmetrical biphase cam swing type internal combustion engine with high rotating speed
CN103032164A (en) * 2012-12-24 2013-04-10 四川大学 Outer convex inner arbitrary gear difference cam rolling moving transmission internal-combustion engine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
曲继方: "《活齿传动理论》", 30 April 1993, 机械工业出版社 *
曲继方: "套筒活齿传动的理论研究", 《河北机电学院学报》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103089428A (en) * 2013-01-29 2013-05-08 四川大学 Exterior convex interior random tooth difference cam sleeve transmission internal-combustion engine

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Application publication date: 20130612