CN1022262C - Concentric wheel - Google Patents
Concentric wheel Download PDFInfo
- Publication number
- CN1022262C CN1022262C CN 85106590 CN85106590A CN1022262C CN 1022262 C CN1022262 C CN 1022262C CN 85106590 CN85106590 CN 85106590 CN 85106590 A CN85106590 A CN 85106590A CN 1022262 C CN1022262 C CN 1022262C
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- nebenkern
- axis
- groove
- circular
- trough
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Abstract
The present invention relates to a concentric wheel which is a novel machinery reversal transmission mechanism for replacing connecting rod crank mechanisms, and the concentric wheel comprises a shell, a concentric wheel and a straight shaft. The three components are three concentric cylinders and have the same central line. The three components respectively have a sine slot, a sine bead, a straight slot, a straight slot bead, a circular slot and a circular slot bead, all the parts are mutually engaged so as to form the concentric wheel mechanism which can complete the mutual conversion of reciprocating motion and rotary motion. Compared with the connecting rod crank mechanism, the concentric wheel mechanism has the advantages of mechanical transmission efficiency increase in multiples, no dead points, no harmful component force of cylinder walls and bent shafts, small machinery vibration and stable operation.
Description
The present invention relates to a kind of mechanism that relates to bent axle machinery, relate more specifically to a kind of mechanical commutation driving mechanism that adopts the nebenkern structure.
General too busy to get away to-and-fro motion becomes to rotatablely move or rotatablely move and becomes reciprocating mechanical commutation driving mechanism in various dynamic power machines and engineering goods.And the centuries people are accustomed to using always is this mechanical commutation driving mechanism of being made up of connecting rod crank of eccentric wheel, and the mechanism of this connecting rod crank commutation driving mechanism has a lot of fatal weakness: its transmission efficiency is low, active component is less, a very big part act on the cylinder wall and the axle center on and also be harmful to, and change the existence that last lower dead centre is arranged when rotatablely moving when to-and-fro motion, need be provided with flywheel stores and releases energy, therefore structure heaviness, impact shock are also very big, sometimes even cause the fracture of bent axle.
U.S. Pat 3841165 discloses a kind of rotation-linear motion conversion mechanism, it has housing, concentric ring, d-axis, sinusoidal groove is arranged on the concentric ring, sinusoidal bead is arranged on the housing, on concentric ring and the d-axis straight trough is arranged, have the groove pearl in the straight trough, but straight line motion can only be changed with rotatablely moving in this mechanism, and the straight line motion that is difficult to be transformed into is exported.
The objective of the invention is to seek the mechanical commutation driving mechanism of a novelty, can effectively realize to-and-fro motion and rotatablely move between mutually the conversion, and can raise the efficiency, not have the dead point, greatly reduce impact shock, thereby overcome the existing deficiency of connecting rod crank mechanism effectively.
The present invention is achieved in that it comprises a housing, and a nebenkern is arranged in the housing, and it also is hollow cylindrical body, and a d-axis is arranged again in nebenkern.These three parts are three concentric cylinders, have same center line.Be processed with continuous curvilinear groove on one or more the circumferencial direction at parts on housing or nebenkern or the d-axis, the plane outspread drawing of this groove is for being similar to sinusoidal groove.Be to improve the processing technology of transmission efficiency and favourable groove, the plane outspread drawing of this groove two ends up and down is circular arcs of same curvature radius and the centre is the tangent line of two circular arcs, also is straight-line groove.On nebenkern or d-axis or housing, have simultaneously one embed in this sinusoidal groove with it can gear motion the thrust that is referred to as sinusoidal bead.The cross section of this sine groove can be semicircular, fan-shaped or rectangle, and the sinusoidal bead of Pei Heing also can be spherical, taper or columniform with it.The structure of sinusoidal bead can be fixed on the corresponding housing, on the nebenkern or the thrust on the d-axis, thrust can make and have flip sleeve, perhaps bearing type.
Therefore as an applied force (for example cylinder explosive power of internal-combustion engine) when forcing nebenkern reciprocating, since respectively on the housing and nebenkern on sinusoidal groove and the relation of being meshing with each other of sinusoidal bead, this moment, nebenkern just must be to do not only back and forth but also the solid curve of rotation moves along the direction of sinusoidal groove, nebenkern is reciprocating to be converted into the output that rotatablely moves if we need make, then can in straight trough of processing and the straight trough straight trough pearl joggleword be set between nebenkern and the d-axis, the reciprocal like this nebenkern of rotation again will drive d-axis and do single rotatablely moving, and finished the mission that nebenkern mechanism is converted into to-and-fro motion to rotatablely move.If what process between nebenkern and d-axis is a garden groove and garden groove pearl joggleword is set, then nebenkern will drive d-axis and do single adjustable to-and-fro motion, and this also is that certain work mechanism is needed.
If having an external force (for example motor drives) to drive a d-axis rotates, straight trough and straight trough pearl joggleword are arranged between this d-axis and the nebenkern, then this external force forces nebenkern also to rotate by this d-axis, since respectively on the housing and nebenkern on sinusoidal groove and the relation of being meshing with each other of sinusoidal bead, this moment, nebenkern also must be to do not only back and forth but also the solid curve of rotation moves along the direction of sinusoidal groove, if we need be converted into the power of rotatablely moving of nebenkern to-and-fro motion output, then can be between the other end of nebenkern and another root d-axis garden groove of processing and garden groove pearl joggleword is set, nebenkern will drive this d-axis and do single to-and-fro motion like this, has finished nebenkern mechanism and has made to rotatablely move and be converted into reciprocating mission.If what process between nebenkern and this d-axis also is a straight trough and straight trough pearl joggleword is set, then nebenkern will drive this d-axis and also do single adjustable rotatablely moving, and this also is that certain work mechanism is needed, for example as a kind of reduction gearing mechanism.
Nebenkern mechanism can effectively finish to-and-fro motion and the mutual conversion that rotatablely moves or the speed change of crankmotion because the joggleword of sinusoidal groove and sinusoidal bead is added the cooperating of straight trough and straight trough pearl or garden groove and garden groove pearl in sum, makes nebenkern become a kind of mechanical commutation driving mechanism or gear of novelty.
From the plane outspread drawing (Fig. 1) of sinusoidal groove and sinusoidal bead as can be seen, the excursion of angle, peak ω can be: O＜ω＜90 °, wherein commonly used is ω=30 °, ω=45 °, ω=60 °, the stroke formula of nebenkern: S=(C)/(8mtg ω) (commutation track garden, the space radius R of nebenkern of χ Sin ω+n)
2Radius R with stroke S and nebenkern
1The formula of relation:
R
2＝ (χC)/(16mtgω) ·Sinω＝ (SχSinω)/(2（χSinω+n）) (R
1πxSinω)/(8m)
R
1＝ (4mS)/(π（χSinω+n）) 。
The culvert of symbol meaning is as follows in the formula:
C is the garden girth of nebenkern
M is that peak number also is the number of sinusoidal groove on the nebenkern
ω is that the peak angle also is the angle of sinusoidal groove straightway and shaft centre line on plane outspread drawing
χ is a track garden radius R
2Garden heart location variation, get and decide χ and in 0～16 scope, change, the actual amount of χ is that (C)/(32tg ω) the rest may be inferred when χ is taken as 1.
N is the pass coefficient of χ, n=4-χ.
From the mechanics figure of mechanism (Fig. 2) of sinusoidal groove and sinusoidal bead, as can be seen, when the solid curve of the previously multiple rotation again of concentric crop rotation moves, can manage to be situated between and in sinusoidal groove, do relative movement for sinusoidal bead.With the applied force is that reciprocating force is an example, this moment, sinusoidal bead was under the effect that adds reciprocating force (axial force) P, can divide the component T that is situated between for the positive pressure N of offset of sinusoidal groove sidewall and grooved rail mark direction with reciprocating force P, T impels sinusoidal bead to move along the course bearing of groove, and T can divide Jie to be T
1And T
2, T wherein
1Be sinusoidal bead makes sinusoidal bead axial displacement (shift reciprocately) when grooved rail mark direction is moved component, and T
2Then be the component that makes the displacement of sinusoidal bead substantially horizontal, the component that just impels nebenkern to rotatablely move under the situation of solid also can claim T
2Be rotational component.If be rotating force for applied force then in the mechanics figure of mechanism of nebenkern, also can do similar analysis, draw the reciprocal component T of similar nebenkern
1For internal-combustion engine, with regard to identical applied force P, or be called explosive power P and can do one relatively for connecting rod crank mechanism and nebenkern mechanism, from following relatively form as can be seen, the mechanical efficiency of nebenkern improves a lot than connecting rod crank machinery, this be do not consider to rub and other damping situations under desirable theory analysis.
If P=1 is R
4=R
2-R
3α=15.9098Sin θ
Eccentric wheel nebenkern nebenkern increases
M=2. ω=45 of λ=(r)/(L)=58/200 °=(360R
2Sin θ)/(cy) mechanical efficiency
x=4,y=2
β＝Sin
-1(λSinα） R
3∶R
4＝1∶1
T=P T
2=P.Sin θ increase multiple=
(Sin(α＋β）)/(Cosβ) α＋β β α＝α θ ·Cosθ (T2-T)/(T)
0.0923 5.3 1.19 4.11 4.11 15° 0.25 1.7
0.15 8.66 1.94 6.72 6.72 25° 0.383 1.5
0.2 11.75 2.63 9.12 9.12 35° 0.4689 1.3
0.25 14.49 3.24 11.25 11.25 45° 0.5 1.0
If P=1 is R
4=O
The eccentric wheel nebenkern
λ=(r)/(L)=58/200 m=2 ω=45 ° nebenkern increases
X=4 R
4=0 mechanism efficiency
β＝Sin
-1(λSinα） y=∞ R
5=2R
2
T=P T
2=PSin θ increase multiple=
(Sin(α＋β）)/(Cosβ) α＋β β α=α ω ·COsω (T
2-T)/(T)
0.0225 1.29 0.29 1.0 1.0 45° 0.5 21.2
0.0923 5.3 1.19 4.11 4.11 45° 0.5 4.4
0.15 8.66 1.94 6.72 6.72 45° 0.5 2.3
0.2 11.75 2.63 9.12 9.12 45° 0.5 1.5
0.25 14.49 3.24 11.25 11.25 45° 0.5 1.0
0.4356 25.69 5.69 20.0 20.0 45° 0.5 0.15
The culvert meaning of form table symbol is as follows:
Eccentric wheel
R: crank throw
L: length of connecting rod
λ: the ratio of crank throw and length of connecting rod
P: along the active force of cylinder center to piston
T: the tangential force that makes crankshaft rotating
α: crankshaft rotating angle (being ignition angle in the table)
β: angle of connecting rod
Nebenkern
M: peak number
ω: peak angle
α: nebenkern driving angle
θ: size is cut the arc angle in garden
R
2: commutation track garden radius
R
3: the sinusoidal bead radius
R
4: cut the garden radius for a short time
C: nebenkern girth
T
2: the component that makes the nebenkern rotation
χ: commutation track garden radius R
2Heart position, garden (χ=1～16)
Y:R
2Some isodisperses
R
5: cut the garden radius greatly
Its advantage of connecting rod crank mechanism that the present invention and centuries commonly use is conspicuous, its machinery driving efficiency has very big increasing exponentially than connecting rod crank, do not have the dead point state, even nebenkern also rotatablely moves when summit up and down, it is to be in the motion state of not stopping all the time.If be applied in the internal-combustion engine, there is not the countercylinder wall and to the harmful component N and the R of bent axle, thereby the vibration of machine is little, running steadily, can not cause fractureing of bent axle yet, casing wall there are not wearing and tearing, also need not flywheel, structure is light and handy, compactness, in light weight, save material, cut down finished cost, can light a fire ahead of time in the internal-combustion engine, increase work efficiency, make full use of the finite volume of cylinder, fully accept explosion impulse, maintenance is also convenient, and the variation by peak number m, can regulate the proportionate relationship of reciprocal and rotation number, obtain dither or slowly run, can save or use as speed reducer.
Nebenkern of the present invention mechanism, also can be used in widely other need rotatablely move and to-and-fro motion mutually conversion mechanically or need speed change mechanically, air compressor motor pump or the like for example.
The drawing explanation:
Accompanying drawing 1: schematic perspective view of the present invention and plane outspread drawing
Accompanying drawing 2: the mechanics figure of mechanism of the present invention
Accompanying drawing 3: embodiments of the invention one sectional view
Accompanying drawing 4: embodiments of the invention two sectional views
Accompanying drawing 5: embodiments of the invention three sectional views
Accompanying drawing 6: embodiments of the invention four sectional views
Accompanying drawing 7: embodiments of the invention five sectional views
Accompanying drawing 8: embodiments of the invention six sectional views
Be specific embodiments of the invention 1 below:
As shown in Figure 3, present embodiment comprises a housing (1), a nebenkern (2) is arranged in the housing (1), it also is hollow Cylinder, d-axis (3a) is arranged in an end of nebenkern (2), at the other end d-axis (3b) is arranged, these four parts are four concentric Cylinders, have same center line.On nebenkern (2), be shaped on sinusoidal groove (4), an inwardly outstanding sinusoidal bead (5) and a sinusoidal bead seat (5a) arranged at the inwall of housing (1), sinusoidal bead (5) make sleeve type with nebenkern (2) on sinusoidal groove (4) engagement.Be shaped on straight trough (6) on the inwall of nebenkern (2) and on the d-axis (3a), between two straight troughs, be engaged with straight trough pearl (7), stroke is doubled, all being shaped on garden arc groove (8) on the other end of nebenkern (2) and on the convex shoulder of d-axis (3b), between two garden arc grooves (8), be engaged with garden groove pearl (9).
When external force is that reciprocating force is when acting on d-axis (3b), the transmission of convex shoulder and garden groove (9) by d-axis (3b), force nebenkern (2) to do axial to-and-fro motion, but because the sinusoidal groove (4) of nebenkern (2) and the sinusoidal bead (5) on the housing (1) mesh together, and sinusoidal bead (5) is fixed on housing (1) and goes up motionlessly, therefore forces nebenkern (2) to be done not only back and forth but also the motion of rotation along the course bearing of sinusoidal groove (4).Rotatablely moving of nebenkern (2) just forms the relative movement of garden groove pearl (9) and garden groove (8) at an end of d-axis (3b), and d-axis (3b) is rotated, at d-axis (3a) end, the to-and-fro motion of nebenkern (2) just makes straight trough pearl (7) do relative to-and-fro motion in straight trough (6), and can not make d-axis (3a) that to-and-fro motion takes place, rotatablely moving of nebenkern just has been delivered on the d-axis (3a) by all tangential forces in the garden of straight trough (6) and straight trough (7) like this, makes d-axis (3a) do single rotatablely moving.Like this by the to-and-fro motion of straight trough (3b) input from d-axis (3a) output that rotates, finished the mechanical commutation transmission by nebenkern mechanism, to-and-fro motion has converted to and has rotatablely moved, otherwise also can.
Embodiments of the invention 2:
As shown in Figure 4, present embodiment is basic identical with embodiment 1, being sinusoidal bead (5) on the structure changes 3 garden pearl shapes into by embodiment 1 sleeve garden cylindricality, and the cross section of sinusoidal groove becomes semicircle type accordingly, and operating principle is also just the same.
Embodiments of the invention 3:
As shown in Figure 5: present embodiment also is basic identical with embodiment 1, is that sinusoidal bead (5) has changed bearing type on the structure, and operating principle and embodiment 1 are just the same.
Embodiments of the invention 4:
As shown in Figure 6: present embodiment is that housing (1) is the double braid covering cartridge type, and sinusoidal groove (4) is processed on the inner sleeve of housing (1), and sinusoidal bead (5) then garden fixes on the nebenkern (2), and operating principle is identical with embodiment 1.
Embodiments of the invention 5:
As shown in Figure 7: sinusoidal groove (4) processing of present embodiment is on d-axis (3), sinusoidal bead (5) then is fixed on the nebenkern (2), all be shaped on straight trough (6) on housing (1) and the d-axis (3), article two, be engaged with straight trough pearl (7) between the straight trough (6), on housing (1) and nebenkern (2), all be shaped on garden groove (8), between two garden grooves (8), be engaged with garden groove pearl (9).Adding rotating force makes then logical sinusoidal bead (5) of nebenkern (2) rotation and sinusoidal groove (4) that d-axis (3) had not only been rotated but also to-and-fro motion along the course bearing of sinusoidal groove (4), by straight trough (6) and straight trough pearl (7) housing (1) is also rotated again, this is the variation that rotatablely moves, variable rotating speed and position.
Embodiments of the invention 6:
As shown in Figure 8, present embodiment is same mutually with embodiment basically, be that housing (1) is made the double braid covering cartridge type on the structure, sinusoidal groove (4) processing is on the inner sleeve of housing (1), sinusoidal bead (5) then is fixed on the d-axis (3), and be straight trough (6) and straight trough pearl (7) between nebenkern (2) and the d-axis (3), between nebenkern (2) and the housing (1) garden groove (8) and garden groove pearl (9), its operating principle and embodiment 5 are just the same.
Comprise that from above-mentioned six embodiment's nebenkern of the present invention as can be seen mechanisms housing (1), nebenkern (2) and d-axis (3) also have sinusoidal groove (4), straight trough (6) and garden groove (8) in the above, the sinusoidal bead that is meshing (5), straight trough pearl (7) and garden groove pearl (9).Can be combined into various forms of mechanical commutation driving mechanisms.
Claims (9)
1, a kind of nebenkern mechanism, this mechanism comprises the housing 1 with same axis, nebenkern 2 and d-axis 3a, the outer wall configurations of nebenkern 2 is a kind of to be similar to sinusoidal groove on plane outspread drawing, housing 1 inwall has the element 5 with this groove engagement, have straight trough on the outer wall of the inwall of nebenkern 2 and d-axis 3a, straight trough pearl 7 be disposed between the above-mentioned straight trough and with its engagement, it is characterized in that: disk oblique crank Z 3b of opposite side configuration of nebenkern 2 configuration d-axis 3a, this 3b is concentric with d-axis 3a, described disk is square with the axis, dispose circular trough on the disk, also dispose circular trough on the inner end wall of the nebenkern 2 relative with this circular trough, circular groove pearl 9 be disposed between the above-mentioned circular groove and with its engagement.
2, a kind of nebenkern mechanism, this mechanism comprises the housing 1 with same axis, nebenkern 2 and d-axis 3a, have straight trough on the outer end wall of the inwall of nebenkern 2 and d-axis 3a, straight trough pearl 7 be disposed between the above-mentioned straight trough and with its engagement, it is characterized in that: housing 1 inner wall arrangement is a kind of to be similar to sinusoidal groove on plane outspread drawing, the outer wall of nebenkern 2 has the element 5 with this groove engagement, disk oblique crank Z 3b of opposite side configuration of nebenkern 2 configuration d-axis 3a, this 3b is concentric with d-axis 3a, described disk is square with the axis, dispose circular trough on the disk, also dispose circular trough on the inwall of the nebenkern 2 relative with this circular trough, circular groove pearl 9 be disposed between the above-mentioned circular groove and with its engagement.
3, a kind of nebenkern mechanism, this mechanism comprises the housing 1 with same axis, nebenkern 2 and d-axis 3, dispose straight trough on the d-axis 3, it is characterized in that: dispose a kind of sinusoidal groove that on plane outspread drawing, is similar on the d-axis 3, has element 5 on the inwall of nebenkern 2 with this groove engagement, dispose straight trough on the inwall of the housing 1 relative with the straight trough of d-axis 3, straight trough pearl 7 be disposed between the above-mentioned straight trough and with its engagement, the end face of nebenkern 2 is provided with circular trough, on the end face of the shell 1 relative circular trough is set also with this circular trough, circular groove pearl 9 be disposed between the above-mentioned circular groove and with its engagement.
4, a kind of nebenkern mechanism, this mechanism comprises housing 1, nebenkern 2 and the d-axis 3 with same axis, dispose straight trough on the d-axis 3, it is characterized in that: dispose a kind of sinusoidal groove that on plane outspread drawing, is similar on the housing 1, have the element 5 that meshes with this groove on the d-axis 3, dispose straight trough on the inwall of the nebenkern 2 relative with d-axis 3 straight troughs; Straight trough pearl 7 be disposed between the above-mentioned straight trough and with its engagement, the end face of nebenkern 2 is provided with circular trough, on the end face of the shell 1 relative with this circular trough circular trough is set also, circular groove pearl 9 be disposed between the above-mentioned circular groove and with its engagement.
5, as claim 1 or 2 or 3 or 4 described nebenkern mechanisms, it is characterized in that the sinusoidal groove (4) on housing (1) or nebenkern (2) or the d-axis (3) is one, peak number m=2.
6, as claim 1 or 2 or 3 or 4 described nebenkern mechanisms, it is characterized in that sinusoidal groove (4) on housing (1) or nebenkern (2) or the d-axis (3) is two or many and forms side by side, the peak number of sinusoidal groove is unimodal or bimodal or multimodal.
7, as claim 1 or 2 or 3 or 4 described nebenkern mechanisms, it is characterized in that the transversal of sinusoidal groove (4) is semicircle or fan-shaped or rectangle, the sinusoidal bead of Pei Heing is spherical or taper or columniform with it.
8, as claim 1 or 2 or 3 or 4 described nebenkern mechanisms, the structure that it is characterized in that described sinusoidal bead (5) is to be fixed on housing (1) or to be fixed on the nebenkern (2), or the thrust on the d-axis (3), can make have a flip sleeve or bearing type.
9, as claim 1 or 2 or 3 or 4 described nebenkern mechanisms, the plane outspread drawing that it is characterized in that described sinusoidal groove (4) up and down two ends is circular arcs of identical radius of curvature, the centre is the tangent line of two circular arcs, and the gradient of tangent line is peak angle ω, and its excursion is 0＜ω＜90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85106590 CN1022262C (en) | 1985-08-26 | 1985-08-26 | Concentric wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85106590 CN1022262C (en) | 1985-08-26 | 1985-08-26 | Concentric wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85106590A CN85106590A (en) | 1987-04-22 |
| CN1022262C true CN1022262C (en) | 1993-09-29 |
Family
ID=4795169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85106590 Expired - Lifetime CN1022262C (en) | 1985-08-26 | 1985-08-26 | Concentric wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1022262C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704511A (en) * | 2016-12-19 | 2017-05-24 | 孙振东 | Direction changing device |
| CN106594099A (en) * | 2017-01-16 | 2017-04-26 | 黄增 | Rotatable reciprocating motion floating coupling knot |
-
1985
- 1985-08-26 CN CN 85106590 patent/CN1022262C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN85106590A (en) | 1987-04-22 |
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