CN2075729U - Swing moveable teeth speed reducing machine - Google Patents
Swing moveable teeth speed reducing machine Download PDFInfo
- Publication number
- CN2075729U CN2075729U CN 90222527 CN90222527U CN2075729U CN 2075729 U CN2075729 U CN 2075729U CN 90222527 CN90222527 CN 90222527 CN 90222527 U CN90222527 U CN 90222527U CN 2075729 U CN2075729 U CN 2075729U
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- CN
- China
- Prior art keywords
- oscillating tooth
- shock wave
- wobble gear
- gear
- movable teeth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
Disclosed is a swing moveable tooth speed reducing machine. In the utility model, a high speed shaft is provided with a shock cam whose outside is provided with a bearing with a rotating arm, and the bearing with a rotating arm is provided with a shock ring on the outside; the outside of the shock ring contacts the inner movable teeth of a plurality of swing movable teeth, every swing movable tooth and pins which are uniformly distributed on a movable tooth frame are in rotary connection, and the outer movable teeth of the swing movable teeth contact an inner gear ring. In transmission, the swing movable teeth are driven by the shock ring on the high speed shaft to be engaged with the inner gear ring; while the swing movable teeth swing around the pins, a low speed shaft is driven to rotate for completing the conversion of rotation speed and the transference of power. The utility model has the advantages of high reliability, high transmission efficiency, high bearing capacity, simple manufacturing process, and low cost. Various major parts can be manufactured by common iron or cast iron, and the movable teeth are standard parts.
Description
The utility model is a kind of wobble gear speed reducer, is used for the motion and the transmission of power of stable drive ratio, and it belongs to general mechanical transmission.
The technical characterstic of existing teeth-adjustable reducer (slip teeth speed reducer, raceway speed reducer, garden transmission closely, variable-speed bearing etc.) is: driving component is the eccentric disc that is contained on the input shaft: a plurality of movable bodys (as ball, roller or push rod etc.) have replaced each gear teeth on the planetary pinion.These movable bodys place the radial hole (groove) on the retainer respectively.In the course of the work, drive eccentric disc and promote movable body's to-and-fro motion in radial hole (groove), so claim that these movable bodys are " oscillating tooth ".
The teeth-adjustable reducer that China develops at present has two big classes:
1, oscillating tooth adopts the awl increment and the engagement of pin tooth of push rod, push rod, and the contact points place is the some contact, and pressure stress is big, push rod forms bilateral the contact with guide groove, and push rod and guide groove be serious wear all, and the power that can transmit is limited, life-span is also short, the accuracy of manufacturing that the pin tooth is had relatively high expectations, complex process.
2, oscillating tooth adopts ball, is seated in the radial hole of movable teeth rack, and ball is done radially to-and-fro motion during work, serious wear, and transmission efficiency is low, and ring gear contacts for point with guide groove with ball, ball, and bearing capacity is lower.Oscillating tooth adopts roller, though the contact of engagement by-pass, bearing capacity improves, but brings oscillating tooth guide groove square hole processing difficulties.In a word, more than the common feature of two class teeth-adjustable reducers be: during work, oscillating tooth slides along guiding groove (hole) in retainer, and engaging pressure is big, and frictional force is big, serious wear, power loss is bigger, transmission and rate are lower.Be the solution problem faster of wearing and tearing, need to adopt high-carbon chromium steel or Bearing Steel manufacturing.Ring gear is a pin gear, and accuracy of manufacturing requires high, complex process.
The purpose of this utility model is to propose a kind of simple in structurely, and bearing capacity is big, light abrasion, transmission efficiency height, can do decelerations, acceleration, the synthetic transmission device of can taking exercises again.
The utility model is achieved in that high speed shaft drives the shock wave cam, a shock wave cam external frame rotary arm bearing of suit (or thin wall flexibility bearing), rotary arm bearing is adorned a shock wave ring outward, they have formed shock wave device, the shock wave ring contacts with the interior oscillating tooth of a plurality of wobble gears, each wobble gear rotates with pin on being distributed on movable teeth rack and connects, the outer oscillating tooth of wobble gear contacts with ring gear, during transmission, wobble gear is swung around the pin of movable teeth rack by the shock wave ring driving on the high speed shaft, drive lower velocity shaft simultaneously and rotate, finished the transmission of transformation of speed and power.
Shock wave cam on the high speed shaft can be single, and rotary arm bearing adopts thin arm axle to hold, and the shock wave cam profile curve can be convex arbitrary curve (seeing accompanying drawing 2).The shock wave cam also can be double 180 configurations that are, and the shock wave cam profile can be eccentric circle, ellipse or other curve, also can adopt thin arm axle to hold technology.
Wobble gear is the component groups (seeing accompanying drawing 3) of a uniform pin swing on oscillating tooth gear, it is made up of oscillating tooth body, outer oscillating tooth and interior oscillating tooth, a column pin hole is arranged on the oscillating tooth body, the switch of oscillating tooth body can be the shape that garden shape, ellipse, rectangular etc. are easy to process, on the oscillating tooth body oscillating tooth can be set, also oscillating tooth can be set, oscillating tooth on the oscillating tooth body can also can be provided with in its both sides in a side, oscillating tooth adopts roller (ball), as required, can also be other solid that is easy to process.
Wobble gear can be used sliding bearing with connecting of uniform pin, rolling bearing or direct, and to improve the situation that contacts of wobble gear and pin, wobble gear is corresponding with shock wave device, can be single, also can be double, can also be many rows.
The oscillating tooth gear of wobble gear speed reducer is made up of wobble gear and movable teeth rack, and movable teeth rack and output shaft can be one, also can assemble, and oscillating tooth gear is corresponding with shock wave device, and single and double two kinds of structural types are arranged.
Ring gear can be whole, and also directly iron chains are embedded on the support, and its profile of tooth can be a straight line, circular arc, cycloid and other curve.When ring gear is fixed, retarder or accelerator have just been formed; When ring gear is to rotate around central shaft, then formed differential mechanism.The tooth number Z b of ring gear equals (i
12± 1) or (i
12± 2).Theoretical tooth number Z g=Zb ± 1 of wobble gear or Zg=Zb ± 2 ± 2; Can take " taking out tooth " measure, make the number of actual teeth Zg '＜Zg of wobble gear.
Drawings and Examples:
Fig. 1 is the sectional view of wobble gear speed reducer
Fig. 2 is the transmission principle figure of wobble gear speed reducer
Fig. 3 (1-12) is the structural type of wobble gear
In accompanying drawing 1: (1) is high speed shaft, and (2) are the shock wave cam, and (3) are rotary arm bearing, and (4) are the shock wave ring, and (5) are the oscillating tooth body, and (6) are outer oscillating tooth, and (7) are interior oscillating tooth, and (8) are pin, and (9) are lower velocity shaft, and (10) are ring gear.
Embodiment of the present utility model shown in the accompanying drawing 1:
High speed shaft (1) is bearing on lower velocity shaft (9) and the left end cap by bearing.Shock wave device is 180 two-row structure of arranging; Two eccentric bushings (2) are contained on the high speed shaft (1), and two eccentric bushings are equipped with two identical rotary arm bearings (3) outward, two identical shock wave rings (4) of its outer suit.The interior oscillating tooth (7) of wobble gear contacts with shock wave ring (4), and outer oscillating tooth (6) contacts with external toothing (10), and oscillating tooth body (5) the directly uniform pin (8) on movable teeth rack forms revolute pair.One end of pin (8) inserts in the uniform hole of movable teeth rack, forms one with lower velocity shaft (9).Ring gear (10) is whole, is fixed on the support with 6 nylon round pins.Lower velocity shaft (9) is bearing on the support by bearing.Wobble gear is counted Zg and internal tooth knuckle-tooth, and to count the relation of Z be Zg=Z+1.
When this speed reducer is done the retarder use, motoring high speed shaft (1) rotates, promote two eccentric bushings (2), rotary arm bearing (3), interior oscillating tooth (7) makes wobble gear body (5) swing around pin (8), outer oscillating tooth (6) and motionless ring gear (10) engagement simultaneously, the anti-pin (8) that pushes away makes gear (with lower velocity shaft (9) one) do retarded motion.
When this speed reducer is done the accelerator use, lower velocity shaft (9) is an input shaft, the drive oscillating tooth gear rotates, pin on it (8) rotates with oscillating tooth gear on one side, on one side under the constraint of ring gear (10), work rotates around the center of rotation of self, promotes shock wave ring (4), rotary arm bearing (3), two eccentric bushing (23) simultaneously and makes axle (1) make high speed rotating.
The utility model has the advantages that:
Since swing movable gear and pin be set with, sliding bearing or rolling bearing have been formed, motion between them is sliding rolling or pure rolling, outer oscillating tooth and interior oscillating tooth and oscillating tooth body have also formed revolute pair, avoided forcing to slide, so the friction loss of each Meshing Pair is little, the transmission efficiency height, and fundamentally solved the wear-out failure problem of push-rod oscillating tooth reductor moving sets.
2. most of inside and outside oscillating tooth adopts standard component, and oscillating tooth body running surface is circular arc, does not need special lathe to process, so cost is low.
Since become oscillating tooth radially guide groove be axial single column pin hole, fundamentally solved and led The difficult problem that groove processing difficulties, precision are difficult to guarantee, multiple tooth meshing condition realize that easily bearing capacity improves.
4. because outer oscillating tooth size determines not to be subjected to the restriction of oscillating tooth carrier size, method for designing and step are simplified.
Swing moveable teeth speed reducing machine can be applicable to the transmission device of food, weaving, light industry, building, metallurgy, mining machinery, hoisting machinery, engineering machinery etc., can work as again decelerator or accelerator and use.
Claims (8)
1, a kind of wobble gear speed reducer, it is characterized in that: high speed shaft drives the shock wave cam, a shock wave cam external frame rotary arm bearing of suit (or thin wall flexibility bearing), rotary arm bearing is adorned a shock wave ring outward, they have formed shock wave device, the shock wave ring contacts with the interior oscillating tooth of a plurality of wobble gears, each wobble gear rotates with pin on being distributed on movable teeth rack and connects, the outer oscillating tooth of wobble gear contacts with ring gear, during transmission, wobble gear is swung around the pin of movable teeth rack by the shock wave ring driving on the high speed shaft, drives lower velocity shaft simultaneously and rotates, and has finished the transmission of transformation of speed and power.
2, wobble gear speed reducer according to claim 1 is characterized in that: the shock wave cam can be single, and rotary arm bearing adopts thin arm axle to hold, and the shock wave cam profile curve can be the convex arbitrary curve.The shock wave cam also can be the double 180 ° of configurations that are, and the shock wave cam profile can be eccentric circle, ellipse or other curve.
3, wobble gear speed reducer according to claim 1 is characterized in that: wobble gear is the component groups of a uniform pin swing on oscillating tooth gear, and it is made up of oscillating tooth body, outer oscillating tooth and interior oscillating tooth.
4, according to claim 1,3 described wobble gear speed reducers, it is characterized in that: a column pin hole is arranged on the oscillating tooth body, the shape of oscillating tooth body can be the shape that garden shape, ellipse, rectangular etc. are easy to process, on the oscillating tooth body oscillating tooth can be set, also oscillating tooth can be set, the oscillating tooth on the oscillating tooth body can also can be provided with in its both sides in a side.
5, wobble gear speed reducer according to claim 4 is characterized in that: oscillating tooth can be roller (ball), also can be other solid that is easy to process.
6, wobble gear speed reducer according to claim 1 is characterized in that: rotary arm bearing is common roller (ball) bearing, also can be flexible thin-wall bearing.
7, wobble gear speed reducer according to claim 1 is characterized in that: the tooth curve straight line of ring gear, garden arc, cycloid and other curve, ring gear can be whole, and also directly iron chains are embedded on the support.
8, wobble gear speed reducer according to claim 1, it is characterized in that: oscillating tooth gear is made up of wobble gear and movable teeth rack, and movable teeth rack and output shaft can be one, also can assemble, oscillating tooth gear is corresponding with shock wave device, can be single, also can be double.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90222527 CN2075729U (en) | 1990-10-27 | 1990-10-27 | Swing moveable teeth speed reducing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90222527 CN2075729U (en) | 1990-10-27 | 1990-10-27 | Swing moveable teeth speed reducing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2075729U true CN2075729U (en) | 1991-04-24 |
Family
ID=4900449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90222527 Expired - Lifetime CN2075729U (en) | 1990-10-27 | 1990-10-27 | Swing moveable teeth speed reducing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2075729U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929314A (en) * | 2010-08-07 | 2010-12-29 | 湖南恒至凿岩科技有限公司 | Drilling machine advancing mechanism for connecting internal gear tooth profiles of swing movable teeth |
| CN103573956A (en) * | 2013-10-11 | 2014-02-12 | 大连橡胶塑料机械股份有限公司 | Movable tooth transmission speed reducer mechanism in closed rubber mixing unit |
| CN103644267A (en) * | 2013-12-05 | 2014-03-19 | 燕山大学 | Universal reducer with tooth-shifting steel balls |
| CN105156592A (en) * | 2015-07-13 | 2015-12-16 | 四川大学 | Cycloidal sliding-tooth reducer |
| CN108194610A (en) * | 2017-12-29 | 2018-06-22 | 燕山大学 | A kind of swing rod movable teeth reducer with anti-backlash mechanism |
-
1990
- 1990-10-27 CN CN 90222527 patent/CN2075729U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929314A (en) * | 2010-08-07 | 2010-12-29 | 湖南恒至凿岩科技有限公司 | Drilling machine advancing mechanism for connecting internal gear tooth profiles of swing movable teeth |
| CN101929314B (en) * | 2010-08-07 | 2012-07-25 | 湖南恒至凿岩科技有限公司 | Drilling machine advancing mechanism for connecting internal gear tooth profiles of swing movable teeth |
| CN103573956A (en) * | 2013-10-11 | 2014-02-12 | 大连橡胶塑料机械股份有限公司 | Movable tooth transmission speed reducer mechanism in closed rubber mixing unit |
| CN103644267A (en) * | 2013-12-05 | 2014-03-19 | 燕山大学 | Universal reducer with tooth-shifting steel balls |
| CN105156592A (en) * | 2015-07-13 | 2015-12-16 | 四川大学 | Cycloidal sliding-tooth reducer |
| CN108194610A (en) * | 2017-12-29 | 2018-06-22 | 燕山大学 | A kind of swing rod movable teeth reducer with anti-backlash mechanism |
| CN108194610B (en) * | 2017-12-29 | 2020-06-30 | 燕山大学 | Swing rod oscillating tooth speed reducer with clearance eliminating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |