CN1057821C - Stepless speed regulator with engaged operation guide disc - Google Patents
Stepless speed regulator with engaged operation guide disc Download PDFInfo
- Publication number
- CN1057821C CN1057821C CN97101361A CN97101361A CN1057821C CN 1057821 C CN1057821 C CN 1057821C CN 97101361 A CN97101361 A CN 97101361A CN 97101361 A CN97101361 A CN 97101361A CN 1057821 C CN1057821 C CN 1057821C
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- Prior art keywords
- bearing
- speed regulator
- tooth bar
- cuboid
- stepless speed
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
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- 230000002085 persistent effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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Abstract
The invention relates to a mechanical stepless speed regulator. The structure of the device is that a bearing 11 is arranged at the eccentric position of an input eccentric shaft 1, the bearing 11 is movably matched with a middle frame 10, the outer edge of the middle frame 10 is a convex plane, the upper surface and the lower surface of the middle frame and an operation guide disc 3 form a moving pair, a wheel dice of the operation guide disc and the outer circle of the bearing form a rotating pair, a bearing 9 on the output end of the middle frame 10 is matched with a guide groove of a double-sided rack 8, the double-sided rack 8 and an output shell 4 form a moving pair, racks on the double-sided rack 8 are meshed with a one-way overrunning clutch 5, and the one-way overrunning clutch 5 is in. The speed regulator can be applied to light industry, chemical industry, food and mechanical industry.
Description
According to the speed regulator principle, stepless speed adjusting gear can be divided into mechanical type and electromechanical two big kinds.This invention belongs to mechanical type regulator-free category.
The mechanical stepless speed regulator is divided into friction type transmission and engagement type transmission.Friction type speed regulator efficient is lower, and easily heating, transmission power are also less, are 93115309 as application number and are called stepless speed change with centrigual friction.Engagement type mainly be output movement for pulsation, operation not steadily, the also complicated electromechanical of structure, exist that structure is huge, control is complicated, high shortcoming of cost again.
Purpose of the present invention, be intended to overcome above-mentioned shortcoming, be lower, the easy heating of efficient, output not steadily, complex structure, control complexity etc. and a kind of novel stepless speed regulator engaged by operating guide disk, alternative above-mentioned speed regulator transmission in mechanical industries such as light industry, chemical industry, food, lathe are provided.
Purpose of the present invention can realize by following measure:
A kind of stepless speed regulator engaged by operating guide disk, its structure is: input eccentric shaft 1 is installed in the bearing support that two dish rolling bearings 2 are housed, the eccentric part of axle head is equipped with a dish bearing 11 again, bearing 11 inner rings are drive fit with input eccentric shaft 1 axle head, bearing 11 outer rings and middle boxes 10 are movingly, middle boxes 10 outer rims are protruding plane, sliding pair are formed with manipulation positioning disk 3 in its top and bottom, handle the wheel dice and the bearing support outer ring of positioning disk and form revolute pair, one bearing 9 is installed on the output terminal of middle boxes 10, match with the guiding groove of two-sided tooth bar 8 in bearing 9 outer rings, two-sided tooth bar 8 is formed sliding pair with the guide rail on the output shell 4, two-sided tooth bar 8 be provided with substantially horizontal on, the tooth of following two tooth bars and two mono-directional overrun clutchs 5 meshes up and down, mono-directional overrun clutch 5 is threaded with output shaft 7, output shaft 7 is bearing in two rolling bearings of bearing support, and whole speed regulator is installed in by in the input shell 12 of bolton and the output shell 4.The half-turn that is shaped as of mono-directional overrun clutch 5 has tooth, and another half-turn adds the cuboid that is shaped as of the two-sided tooth bar 8 of counterweight, has rack-plate on the side of cuboid, and the centre of cuboid is provided with guiding groove, and the end face of cuboid and bottom surface are provided with the protruding plane of guiding.Middle boxes 10 be shaped as cuboid, the centre of cuboid is provided with guiding groove, top and bottom are provided with the protruding plane of guiding.The middle part of cuboid one side is provided with laterally rectangular, and rectangular middle part is provided with minor axis, handles the type that is shaped as of positioning disk 3, and internal surface is provided with guiding groove about it, and its outer surface one side is provided with handle, and through hole outside is provided with a circle cover in the middle of it.
Advantage of the present invention:
1, can directly be connected with prime mover, the engaging and disengaging gear when having saved speed change simultaneously also can starting under no load (prime mover steady load), load speed governing (equipment is under working condition)
2, belong to engagement type power transmission, more superior than friction driving, transmission power is big.
3, operate steadily, reliably, need not add special balanced controls, just can realize the dynamic balancing of complete machine, therefore, noise is low in the transmission.
4, simple in structure, complete machine is standard piece or general part more than 70%, and remaining parts can process with machine tool, and (comprising bolt, bearing) only arranged surplus in the of ten the machine part number so its cost is significantly less than the speed regulator of other type.
5, in light weight, volume is little (comparing with existing speed regulator) only for its with 1/3～2/3 of power speed control device.
6, transmission efficiency is higher than 0.94.
7, convenient, the control easily of speed governing, its speed adjustable range can be started from scratch any speed governing to the rotating speed that needs.
Description of drawings is as follows:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a sectional drawing of the present invention;
When Fig. 3 was middle boxes 10 rotation α, delivery stroke was the schematic representation of 2aCOS α.
Be described in further detail by embodiment below in conjunction with accompanying drawing:
Fig. 1 is a structure diagram of the present invention.Mainly containing three parts forms.First portion is installed in by input eccentric shaft 1 in the bearing support that two dish rolling bearings 2 are housed, and the eccentric part of axle head is equipped with a dish bearing 11 again.Its inner ring and eccentric axle head are drive fit.Second portion is by handling positioning disk 3, and middle boxes 10 is formed, and eccentric axial end bearing outer ring and middle boxes are movingly, rotation along with eccentric shaft, this bearing can move in the guide passage of middle boxes, and the middle boxes outer rim is protruding plane, and sliding pair are formed with manipulation positioning disk 3 in its top and bottom.Can to-and-fro motion in handling the guiding groove of positioning disk, handle the wheel dice of positioning disk and form revolute pair with the bearing support cylindrical, when the manipulation positioning disk when the bearing support cylindrical rotates, guide passage direction changes on it.Third part is made up of 8, two mono-directional overrun clutchs 5 of two-sided tooth bar, output shaft 7, bearing support and bearing.One bearing 9 is installed on the output terminal of middle boxes 10, and this bearing outer ring matches with the guiding groove of two-sided tooth bar 8, forms sliding pair.The motion of two-sided tooth bar 8 is a horizontal rectilinear motion.There is the tooth of upper and lower two tooth bars of substantially horizontal and two mono-directional overrun clutchs to mesh up and down on it, when two-sided tooth bar horizontal rectilinear motion, with two mono-directional overrun clutch alternate rotation of its engagement.Free wheel device and output shaft link with screw thread, and output shaft is bearing in two rolling bearings of bearing support, and whole speed regulator is cased, and input shell 12 passes through bolton with output shell 4.
According to different job requirements, structure of the present invention also can be changed in form.(but its transmission principle is constant), Fig. 1 is a coaxial structure.Also can make output, import different axis, make expansion.Can also output power become flow deviding type.Therefore, stepless speed adjusting gear of the present invention is applicable to different occasions.
Transmission principle:
As depicted in figs. 1 and 2, when active eccentric shaft 1 rotated, coupled bearing 11 revolved round the sun with eccentric shaft 1 in middle boxes 10, and makes 8 along handling guide passage straight line motion in the positioning disks 3.This motion is passed to two-sided tooth bar 8 by bearing 9, two-sided tooth bar 8 horizontal motion all the time, and motion passed to two overrunning clutchs 5 that are engaged with, and overrunning clutch 5 and output shaft 7 link with screw thread.When two-sided tooth bar 8 moves right, tooth bar is meshed with one of mono-directional overrun clutch above it, when mono-directional overrun clutch 5 during to left movement, then tooth bar is meshed with another mono-directional overrun clutch below it, and output shaft no matter on it free wheel device 5 how to mesh, always rotate continuously to same direction.(mainly being) because the kinetic characteristic decision of mono-directional overrun clutch.
During speed change, rotate the manipulation guiding by hand or pin (also available other mode) and adjust speed dish 3, change by thereon guide passage direction, and make middle boxes 10 that the bearing 11 on the eccentric shaft 1 promotes along new variation guide passage still straight line motion, at this moment, two-sided tooth bar 8 strokes that are meshed with middle boxes 10 will change, thereby cause the rotational velocity of output shaft 7 also to change.Reached the purpose of speed change.
The technology crux of this invention just is this, briefly say, middle boxes 10 is straight line motions, its moving direction is by handling speed disk 3 controls, the motion of two-sided tooth bar 8 is horizontal rectilinear motion all the time, the crux of speed governing is that the straight line motion projection in the horizontal direction of middle boxes 10 different direction just in time is the stroke of two-sided tooth bar 8.
When middle boxes guide passage during at horizontal position, output shaft 7 rotating speed maximums, when middle boxes guide passage during in the vertical position, the output shaft rotating speed is zero.
The straight line motion range of middle boxes is two times of throw of eccentric a of eccentric shaft.When the motion of middle boxes is level, horizontal throw maximum, the rotating speed maximum of output shaft.When the straight line motion of middle boxes when being vertical, the stroke of its substantially horizontal is that the rotating speed of zero output shaft is zero.When the straight line motion of middle boxes when equaling α with the substantially horizontal angle, then its substantially horizontal stroke is
S water=SCOS α=2aCOS α
In the formula: a: throw of eccentric α: rotation angle α≤90.
Fig. 3 has provided the position signal of eccentric frame.
Because the bearing centre movement velocity on the eccentric shaft is that V=aw is a constant, so its tangential acceleration is zero, and to adding heart speed a
n=a ω
2, and the straight line motion rule of middle boxes is
V frame=VCOS α ' α '=ω t
V frame=VSl α ω t
S water=-aCOS ω t
A water=aw
2COS ω t
As seen, during the middle boxes motion acceleration a water is arranged, in movement process, will produce additional dynamic load.
Comprehensive describedly know, this speed regulator dynamic load is made up of two-part, first eccentric shaft 1 upper bearing (metal) produces, it two is that the motion of middle boxes produces, by theoretical calculation and experiment, successfully solved dynamic equilibrium problems, added counterweight on the eccentric shaft to eliminate owing to the additional of bearing delivers lotus and add counterweight to eliminate the additional dynamic load of middle boxes on two overrunning clutchs.When even input speed is very high, output shaft, middle boxes can both smooth working.
Application Example 1:
1, running fitness equipment
The present invention and motor are directly linked.Promptly importing eccentric shaft 1 joins with coupling with motor shaft, output shaft 7 links with chain, (sprocket wheel is contained on the roller), to handle the speed disk handle during starting removes to 90 °, it then is starting under no load, actual conditions according to persistent effort, move angle [alpha] of handle during motion, then output shaft 7 will obtain different rotating speeds, also obtain different speed thereby sprocket wheel drives runway.Its velocity can be when 0～20km/ between change arbitrarily.
Application Example 2:
Motorcycle, booster car, light cavalry.
Input shaft 1 of the present invention is linked with engine shaft, adorn a minor sprocket on the output shaft 7 and link to each other with chain, manipulation positioning disk handle is removed to 90 ° with flywheel, realize starting under no load, during operation, can move angle [alpha] of handle at any time, then the travelling speed of car will change.Speed adjustable range:
During booster car 0～30km/
During 0～the 40km/ of light cavalry
During motorcycle 0～120km/
Application Example 3:
Agricultural Light-duty Vehicle
Input shaft of the present invention 1 and motor by gear engagement, are equipped with sprocket wheel on the output shaft 7, link by chain and rear axle bar and sprocket wheel.During starting, will handle speed disk 3 and go to 90 °, realize No Load Start, save clutch, during speed change, move angle [alpha] of speed disk handle, can get different output speeds, its speed adjustable range 0～50km/ hour.
Claims (5)
1, a kind of stepless speed regulator engaged by operating guide disk, it comprises input eccentric shaft (1), bearing (9), (11), tooth bar (8), and mono-directional overrun clutch (5), it is characterized in that importing eccentric shaft (1) is installed in the bearing support that two dish rolling bearings (2) are housed, the eccentric part of axle head is equipped with a dish bearing (11) again, bearing (11) inner ring is a drive fit with input eccentric shaft (1) axle head, bearing (11) outer ring and middle boxes (10) are movingly, the outer rim up and down of middle boxes (10) is protruding plane, sliding pair is formed with manipulation positioning disk (3) in its top and bottom, handle the wheel dice and the bearing support outer ring of positioning disk and form revolute pair, one bearing (9) is installed on the output terminal of middle boxes (10), match with the guiding groove of two-sided tooth bar (8) in bearing (9) outer ring, two-sided tooth bar (8) is formed sliding pair with the guide rail on the output shell (4), two-sided tooth bar (8) be provided with substantially horizontal on, the tooth of following tooth bar and two mono-directional overrun clutchs (5) meshes up and down, mono-directional overrun clutch (5) and output shaft (7) scyewed joint, output shaft (7) is bearing in two rolling bearings of bearing support, and whole speed regulator is installed in by in the input shell (12) of bolton and the output shell (4).
2, stepless speed regulator engaged by operating guide disk according to claim 1 is characterized in that the half-turn that is shaped as of mono-directional overrun clutch (5) has tooth, and another half-turn adds counterweight.
3, stepless speed regulator engaged by operating guide disk according to claim 1, the cuboid that is shaped as that it is characterized in that two-sided tooth bar (8), be positioned at the centre of cuboid by guiding groove described in the claim 1, the front-end face of cuboid is provided with rack-plate in the position up and down, and the end face of cuboid and bottom surface are provided with the protruding plane of guiding.
4, stepless speed regulator engaged by operating guide disk according to claim 1, the cuboid that is shaped as that it is characterized in that middle boxes (10), the centre of cuboid is provided with guiding groove, top and bottom are provided with the protruding plane of guiding, the middle part of close two-sided tooth bar one side of cuboid is provided with laterally rectangular, and rectangular middle part is provided with minor axis.
5, stepless speed regulator engaged by operating guide disk according to claim 1 is characterized in that handling the type that is shaped as of positioning disk (3), its up and down internal surface be provided with guiding groove, its outer surface one side is provided with handle, through hole outside is provided with a circle cover in the middle of it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97101361A CN1057821C (en) | 1997-02-05 | 1997-02-05 | Stepless speed regulator with engaged operation guide disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97101361A CN1057821C (en) | 1997-02-05 | 1997-02-05 | Stepless speed regulator with engaged operation guide disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1162082A CN1162082A (en) | 1997-10-15 |
| CN1057821C true CN1057821C (en) | 2000-10-25 |
Family
ID=5165679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97101361A Expired - Fee Related CN1057821C (en) | 1997-02-05 | 1997-02-05 | Stepless speed regulator with engaged operation guide disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1057821C (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135687Y (en) * | 1992-04-02 | 1993-06-09 | 张庆刚 | Stepless reducer |
-
1997
- 1997-02-05 CN CN97101361A patent/CN1057821C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135687Y (en) * | 1992-04-02 | 1993-06-09 | 张庆刚 | Stepless reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1162082A (en) | 1997-10-15 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |