CN204459011U - A kind of compound full-depth tooth drives eccentric active-tooth transmission - Google Patents
A kind of compound full-depth tooth drives eccentric active-tooth transmission Download PDFInfo
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- CN204459011U CN204459011U CN201520099622.4U CN201520099622U CN204459011U CN 204459011 U CN204459011 U CN 204459011U CN 201520099622 U CN201520099622 U CN 201520099622U CN 204459011 U CN204459011 U CN 204459011U
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Abstract
The utility model relates to a kind of compound full-depth tooth and drives eccentric active-tooth transmission, comprise housing, the first circular wheel and the second circular wheel is also provided with in housing, eccentric pivoted arm is provided with drive first circular wheel and the second circular wheel eccentric wheel to different direction rotation, first, two circular wheel are equipped with the uniform circular hole of some circumferences, and the position of each circular hole in the first circular wheel is just consistent with the position of each circular hole in the second circular wheel after revolving turnback along the first circular wheel axle center, first, limited wheel is provided with between two circular wheel, first, eccentric knuckle-tooth is provided with in each circular hole in two circular wheel, the both sides of eccentric knuckle-tooth are respectively equipped with transmission knuckle-tooth and export knuckle-tooth, and all transmission knuckle-tooth are all positioned at limited wheel and coordinate with the circular Internal periphery inscribe of limited wheel simultaneously.The active force that the utility model acts on limited wheel and housing can be cancelled out each other, and thus stressedly more balances, and the operation of whole transmission device also just balances more.
Description
Technical field
The utility model relates to a kind of transmission device, and particularly the compound full-depth tooth of one drives eccentric active-tooth transmission.
Background technique
Retarder application is very extensive, stops action or speed change just to be unable to do without retarder as long as transmission device has to start.Retarder can be divided into roughly common retarder and high-performance retarder by performance height difference.Common retarder is mainly based on traditional Involutes Gears Transmission, usual single-stage speed ratio better performances between 2 to 7, precision and efficiency are very high, design and manufacturing technology is all very ripe, can industrialization manufacture, but large, the Heavy Weight of its volume, can not meet the needs that current transmission device develops to high performance mini lightweight under identical speed ratio.High-performance retarder is mainly based on few teeth difference cycloid planetary speed reducer, RV retarder is its representative, there is the series of advantages such as volume is little, lightweight, gear range is large, the life-span is long, precision keeps stable, efficiency is high, stable drive, overcome the shortcoming of the large heaviness of volume of common retarder, be suitable for the demand of current era development, thus be subject to paying close attention to more and more widely and applying, particularly in high-accuracy high-performance robot, demand is huge.But, few teeth difference cycloid planetary speed reducer, the core component on it have the cycloid wheel of cycloidal tooth profile, the manufacturing with the ring gear of semicircle and property retention be difficult to, to process equipment and manufacture process requirement very high.Owing to needing task equipment to process cycloid wheel, equipment investment is comparatively large, and heat treatment process is complicated.In addition for reaching retarder high-performance high stability, also will carry out suitable correction of the flank shape and optimization to cycloidal tooth profile, technical difficulty is large.It is that rotary arm bearing is stressed excessive that few teeth difference cycloid planetary speed reducer also exists a transmission bottleneck, the problem that fretting wear is serious, its life-span often determines life-span of retarder, this is that himself structure of such retarder causes, as long as structure is constant, then this bottleneck is difficult to break through, and limits it and further develops.
For the deficiency of above-mentioned retarder, the applicant once proposed the patent application of one " full-depth tooth drives eccentric active-tooth transmission " by name on September 9th, 2014 to Patent Office of the People's Republic of China, the publication number of this patent is CN104265844A, this transmission device not only small in volume, and owing to there is no involute, the gear that the particular curves such as cycloid are formed and Cycloid tooth profile, therefore special machine tool is not needed, application machine tool just can process these component, overcome retarder in the past and must process the drawback of particular curve with special purpose machine tool, greatly reduce difficulty of processing, processing cost, improve and manufacture efficiency and economic benefit.Eccentric oscillating tooth transmission structure is driven owing to adopting full-depth tooth, not only full-depth tooth participation transmission makes transmission performance greatly improve, breaching retarder in the past only has part tooth to participate in the limitation of transmission, simultaneously because the Power output of new structure is directly exported by eccentric oscillating tooth, overcoming the output of few teeth difference cycloid planetary speed reducer must through the technical bottleneck of rotary arm bearing, power stream is more smooth and easy, and transmission performance and retarder life-span are improved.
Because full-depth tooth drives eccentric active-tooth transmission patent object to be to provide a kind of brand-new transmission device and mechanical drive principle, attach most importance to outstanding, be convenient to understand and promote, only provide and can describe the simplest a kind of form of new structure mechanism driving, too much do not relate in multistage speed ratio adjustability, high rigidity high-mechanic, kinetic stability etc.
Summary of the invention
Full-depth tooth drives eccentric Oscillating Tooth Gear Reducer and common Involutes Gears Transmission to combine by the utility model, the advantage of simultaneously stability few teeth difference cycloid planetary speed reducer overcomes that it is not enough, provides that a kind of structure being easy to manufacturing, being easy to realize industrialization is completely newly simple, cost is low, volume is little, lightweight, gear range is large, the life-span is long, precision keeps stablizing, efficiency is high, stable drive, multistage speed ratio is adjustable, the compound full-depth tooth of one of high rigidity high-mechanic drives eccentric movable tooth transmission reducer.
The technical solution adopted in the utility model is:
A kind of compound full-depth tooth drives eccentric active-tooth transmission, comprise housing, the eccentric pivoted arm that housing is provided with the transmission shaft coaxial with housing and is connected with transmission shaft, it is characterized in that: in housing, be also provided with the first circular wheel along housing axially-aligned and the second circular wheel, transmission shaft drives eccentric pivoted arm to rotate by driving mechanism, eccentric pivoted arm is provided with drive first circular wheel and the second circular wheel eccentric wheel to different direction rotation, first, two circular wheel are equipped with some circumferences uniform oscillating tooth and circular hole is installed, and each oscillating tooth installed in the position of circular hole and the second circular wheel of each oscillating tooth in the first circular wheel installs the location bias several angle of circular hole, deflection angle between this angle and the different eccentric wheels of eccentric pivoted arm is consistent, first, the limited wheel with circular Internal periphery is provided with between two circular wheel, this limited wheel is fixed or is wholely set in housing, first, each oscillating tooth in two circular wheel is installed circular hole and is provided with eccentric oscillating tooth, described eccentric oscillating tooth comprises eccentric knuckle-tooth, transmission knuckle-tooth and output knuckle-tooth, and all transmission knuckle-tooth are all positioned at limited wheel and coordinate with the circular Internal periphery inscribe of limited wheel simultaneously, respectively drive plate is provided with at the two ends of housing, first, output knuckle-tooth in two circular wheel can rotate in a circumferential direction and be arranged on output disc, the drive plate at described housing two ends is connected.
Further, described eccentric pivoted arm drives the first circular wheel contrary with the eccentric wheel eccentric direction of the second circular wheel rotation, circular hole circular hole is just installed in the position that each oscillating tooth in the first described circular wheel installs circular hole after revolving turnback along the first circular wheel axle center position with each oscillating tooth in the second circular wheel is consistent.
Further, it is odd number that the oscillating tooth in first and second described circular wheel installs circular hole quantity, the transmission knuckle-tooth in the first circular wheel and the interlaced interior circular orbit shared on same limited wheel of the transmission knuckle-tooth in the second circular wheel
Further, described eccentric pivoted arm at least two and uniform along housing axis circumference, eccentric pivoted arm is connected by driving mechanism and transmission shaft.
further,described each eccentric pivoted arm is provided with the eccentric wheel described in two, and these two eccentric eccentric directions are contrary thus drive the first circular wheel and the second circular wheel to different direction rotation.
further,described eccentric oscillating tooth comprises central shaft and fixed installation on center shaft first, second is taken turns, and first, second takes turns eccentric knuckle-tooth, transmission knuckle-tooth described in forming respectively, the output knuckle-tooth described in the part formation that central shaft protrudes to drive plate direction.
Further, described first, second is taken turns and is all bearing.
further,described driving mechanism is gear drive.
Further, described eccentric pivoted arm is more than three or three.
further,described drive plate includes driving disk and flange plate, and driving disk connects with output knuckle-tooth, and driving disk is fixedly connected with flange plate.
in above-mentioned, whendescribed transmission shaft is input shaft, and when drive plate is output disc, described transmission device forms retarder.
In above-mentioned, when described transmission shaft is output shaft, when rolling disc is input disc, described transmission device forms accelerator.
The advantage of existing retarder is not only converged at one but also has breakthrough again by the utility model, absorbing full-depth tooth drives the structure of eccentric active-tooth transmission simple, do not have complicated profile geometry easy to process, cost is low, not only solving the output of few teeth difference cycloid planetary speed reducer must through the technical bottleneck problem of rotary arm bearing, the transmission of exerting all one's strength is more rationally efficient, be easy to realize the advantages such as industrialization simultaneously, also absorb few teeth difference cycloid planetary speed reducer multi-eccentric pivoted arm, many circular wheel and both sides drive plate are connected and improve the advantage such as reducer power stability and high rigidity, transmission knuckle-tooth on eccentric oscillating tooth shares the different track of same limited wheel or same track is of the present utility model one large characteristic, transmission knuckle-tooth particularly on different eccentric oscillating tooth shares the same track of same limited wheel, not only reduce the volume of retarder, make that limited wheel is stressed cancels out each other simultaneously, because of the not dislocation in tracks of transmission knuckle-tooth interlaced arrangement, so dynamic performance is very good, transmission is more steady, overcome the inevitable defect that the transmission of retarder cycloid disc dislocation in the past produces moment of torsion.Cost reduces greatly compared with existing retarder, volume reduces further, weight is lighter, gear range is large and adjustable, the life-span is longer, precision keeps more stable, stable drive power performance better, efficiency is higher, rigidity and bearing capacity are strengthened further, is easier to the industrialization realizing retarder.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, detailed content of the present invention is described.
Fig. 1 is the structural drawing of the utility model embodiment.
Fig. 2 is the worm's eye view of Fig. 1.
Fig. 3 is the A-A sectional view in Fig. 1.
Fig. 4 is the planimetric map of the first circular wheel in the present embodiment.
Fig. 5 is the planimetric map of the second circular wheel in the present embodiment.
Wherein, 1 transmission shaft; 2 drive plates; 2a flange plate; 2b driving disk; 3 eccentric pivoted arms; 3 a eccentric wheels; 3b eccentric wheel; 4 first circular wheel; 4a oscillating tooth installs circular hole 5 second circular wheel; 5a circular hole, 6 gears; 7 housings; 7a limited wheel; 8 central shafts; 9 transmission knuckle-tooth; 10 eccentric knuckle-tooth.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in the figure, a kind of compound full-depth tooth of the utility model embodiment drives eccentric movable teeth reducer, comprise housing 7, the eccentric pivoted arm 3 that housing 7 is provided with the transmission shaft 1 coaxial with housing 7 and is connected with transmission shaft 1, the first circular wheel 4 and the second circular wheel 5 along housing 7 axially-aligned is also provided with in housing 7, transmission shaft 1 drives eccentric pivoted arm 3 to rotate by driving mechanism, eccentric pivoted arm 3 is provided with the eccentric wheel 3a of drive first circular wheel 4 and the second circle wheel shape 5 rotation round about, 3b, first, two circular wheel 4, be equipped with the uniform oscillating tooth of some circumferences on 5 and circular hole 4a is installed, 5a, and circular hole 5a is just installed in the position that each oscillating tooth in the first circular wheel installs circular hole 4a after revolving turnback along the first circular wheel 4 axle center position with each oscillating tooth in the second circular wheel 5 is consistent, first, two circular wheel 4, the limited wheel 7a with circular Internal periphery is provided with between 5, this limited wheel 7a fixes or is wholely set in housing 7, first, two circular wheel 4, each oscillating tooth on 5 installs circular hole 4a, 5a is provided with eccentric oscillating tooth 10, described eccentric oscillating tooth comprises eccentric knuckle-tooth 10, transmission knuckle-tooth 9 and output knuckle-tooth, and all transmission knuckle-tooth 9 are all positioned at limited wheel 7a and coordinate with the circular Internal periphery inscribe of limited wheel 7a simultaneously, drive plate 2 is respectively provided with at the two ends of housing 7, first, two circular wheel 4, output knuckle-tooth on 5 can rotate in a circumferential direction and be arranged on output disc 2, the drive plate 2 at described housing 7 two ends is connected.Except the present embodiment drives easy to process, the advantage such as transmission is efficient of eccentric active-tooth transmission except having original full-depth tooth, also due to the first circular wheel and the second circular wheel can be driven to different direction rotation, transmission knuckle-tooth in each circular wheel and the transmission knuckle-tooth in the second circular wheel are acted on limited wheel simultaneously and force direction is different, the active force acted on limited wheel and housing can be cancelled out each other, thus stressedly more balance, the operation of whole transmission device also just balances more.In addition, because motion transfer is directly gone out by all transmission knuckle-tooth simultaneously with after limited wheel effect, no longer return to rotary arm bearing, compared with existing compound RV retarder, the utility model overcomes the stressed excessive defect of its rotary arm bearing, capacity eccentric bearing is not easy to damage, and the retarder life-span is longer.。
In illustrated embodiment, described eccentric pivoted arm 3 is two, each eccentric pivoted arm 3 is provided with the eccentric wheel 3a described in two, 3b, these two eccentric wheel 3a, the eccentric direction of 3b is contrary thus drive drive first circular wheel 4 and the second circular wheel 5 to different direction rotation, here not to direction rotation be by eccentric wheel 3a, the eccentric direction of 3b brings, refer to the first circular wheel 4 to put to different directions from the second circular wheel 5, be equivalent to the first circular wheel 4 as shown in fig. 1 put to the right, and the second circular wheel 5 is to left swing, but the sense of rotation of the first circular wheel 4 and the first circular wheel 5 itself is consistent, because be determined by the sense of rotation of eccentric pivoted arm 3.And two eccentric pivoted arms 3 are connected by gear 6 driving mechanism (gear is generally involute gear) and transmission shaft 1.Obviously, in specific implementation process of the present invention, the quantity of eccentric pivoted arm can be one, also can be more than three or three.This can be arranged according to actual needs.Certainly, when eccentric pivoted arm quantity is one, then this eccentric pivoted arm coaxially need be arranged with input shaft or even direct eccentric wheel of establishing on input shaft forms eccentric pivoted arm, and at this moment eccentric pivoted arm must be establish at least two to the biased eccentric wheels of different direction.And if eccentric pivoted arm is more than two or two, then can establish an eccentric wheel on the eccentric pivoted arm of one, another eccentric pivoted arm also only establishes an eccentric wheel, just allow this two eccentric wheels biased direction different, drive the first circular wheel and the second circular wheel to different direction rotation respectively by different eccentric pivoted arms like this.Certainly from rigidity that is stressed and transmission, preferably on each eccentric pivoted arm, establish two eccentric wheels, make the eccentric wheel on each eccentric pivoted arm act in the first circular wheel and the second circle wheel shape like this.
In above-mentioned, the eccentric wheel of each eccentric pivoted arm also can be three even more than three, circular wheel like this on it drives eccentric oscillating tooth to cancel out each other stressed the making a concerted effort on limited wheel, also can make whole mechanism stress equalization, ensure that the kinetic stability that this retarder has had.
In illustrated embodiment, eccentric oscillating tooth is split, be by central shaft 8 and be arranged on central shaft 8 first, second take turns, first, second is taken turns (being all bearing) form respectively described in eccentric knuckle-tooth 10, transmission knuckle-tooth 9, output knuckle-tooth described in central shaft 8 is formed to the part that drive plate direction is protruded.Certainly, first, second is taken turns and sleeve or even eccentric oscillating tooth also can be adopted to adopt integral type, and this will see actual size and the needs of processing.
In the present embodiment, it is respectively odd number (15) that oscillating tooth in first and second described circular wheel 4,5 installs circular hole quantity, transmission knuckle-tooth in first circular wheel and the interlaced interior circular orbit (all transmission knuckle-tooth 9 axial height position consistency) shared on same limited wheel of the transmission knuckle-tooth in the second circular wheel, stressed is like this best balanced, and transmission knuckle-tooth can not produce shearing force to limited wheel.Certain the present invention does not get rid of first, circular hole quantity in two circular wheel is respectively the scheme of even number, but when oscillating tooth installation circular hole number is even number, the installation of the oscillating tooth in the first circular wheel circular hole need be made with the oscillating tooth in the second circular wheel just to install circular hole to be on same axis, eccentric knuckle-tooth in such first circular wheel is coaxial placement with the eccentric knuckle-tooth in the second circular wheel, transmission knuckle-tooth in two circular wheel shares circular orbit in the difference on same limited wheel, the transmission device of this scheme is in running, eccentric knuckle-tooth in first circular wheel and the eccentric knuckle-tooth in the second circular wheel can produce certain shearing force to limited wheel (housing), thus running stability can be slightly poorer than the mode of illustrated embodiment.
As shown in Figure 1, in the present embodiment, drive plate 2 is splits, be made up of driving disk 2a and flange plate 2b, driving disk 2a and flange plate 2b is bolted, and upper lower flange is also connected by bolt, this mode has the advantage of high rigidity high-mechanic, when transmission shaft is input shaft, the flange plate of downside can form output by external load, forms retarder like this.Drive plate also can be one, and this is decided according to the actual requirements.And work as using the flange plate of downside as input, transmission shaft is as output, then whole transmission device forms accelerator.In illustrated embodiment, transmission shaft (input shaft) also can drive eccentric pivoted arm to rotate by the driving mechanism of worm and gear, when adopting Worm Wheel System, for the worm and gear with latching characteristics, thus whole transmission device as retarder use, can not can only be used as accelerator.
Retarder total design kernel size in the utility model will meet certain relation, and this part please refer to content described in CN104265844, does not repeat them here.
Transmission device of the present utility model can also be applied to that pump or motor solar energy transmission device etc. are various to be had on the device of velocity variations equally.
Claims (12)
1. a compound full-depth tooth drives eccentric active-tooth transmission, comprise housing, the eccentric pivoted arm that housing is provided with the transmission shaft coaxial with housing and is connected with transmission shaft, it is characterized in that: in housing, be also provided with the first circular wheel along housing axially-aligned and the second circular wheel, transmission shaft drives eccentric pivoted arm to rotate by driving mechanism, eccentric pivoted arm is provided with drive first circular wheel and the second circular wheel eccentric wheel to different direction rotation, first, two circular wheel are equipped with some circumferences uniform oscillating tooth and circular hole is installed, and each oscillating tooth installed in the position of circular hole and the second circular wheel of each oscillating tooth in the first circular wheel installs the location bias several angle of circular hole, deflection angle between this angle and the different eccentric wheels of eccentric pivoted arm is consistent, first, the limited wheel with circular Internal periphery is provided with between two circular wheel, this limited wheel is fixed or is wholely set in housing, first, each oscillating tooth in two circular wheel is installed circular hole and is provided with eccentric oscillating tooth, described eccentric oscillating tooth comprises eccentric knuckle-tooth, transmission knuckle-tooth and output knuckle-tooth, and all transmission knuckle-tooth are all positioned at limited wheel and coordinate with the circular Internal periphery inscribe of limited wheel simultaneously, respectively drive plate is provided with at the two ends of housing, first, output knuckle-tooth in two circular wheel can rotate in a circumferential direction and be arranged on output disc, the drive plate at described housing two ends is connected.
2. compound full-depth tooth according to claim 1 drives eccentric active-tooth transmission, it is characterized in that: described eccentric pivoted arm drives the first circular wheel contrary with the eccentric wheel eccentric direction of the second circular wheel rotation, circular hole is just installed in the position that each oscillating tooth in the first described circular wheel installs circular hole circular hole after revolving turnback along the first circular wheel axle center position with each oscillating tooth in the second circular wheel is consistent.
3. compound full-depth tooth according to claim 1 drives eccentric active-tooth transmission, it is characterized in that: it is odd number that the oscillating tooth in first and second described circular wheel installs circular hole quantity, the transmission knuckle-tooth in the first circular wheel and the interlaced interior circular orbit shared on same limited wheel of the transmission knuckle-tooth in the second circular wheel.
4. compound full-depth tooth according to claim 1 drives eccentric active-tooth transmission, it is characterized in that: described eccentric pivoted arm at least two and uniform along housing axis circumference, and eccentric pivoted arm is connected by driving mechanism and transmission shaft.
5. compound full-depth tooth according to claim 1 drives eccentric active-tooth transmission, it is characterized in that: described each eccentric pivoted arm is provided with the eccentric wheel described in two, these two eccentric eccentric directions are contrary thus drive the first circular wheel and the second circular wheel to different direction rotation.
6. compound full-depth tooth according to claim 1 drives eccentric active-tooth transmission, it is characterized in that: described eccentric oscillating tooth comprises central shaft and installs on center shaft first, second takes turns, first, second takes turns eccentric knuckle-tooth, transmission knuckle-tooth described in forming respectively, the output knuckle-tooth described in central shaft is formed to the part that drive plate direction is protruded.
7. compound full-depth tooth according to claim 6 drives eccentric active-tooth transmission, it is characterized in that: described first, second is taken turns and be all bearing.
8. compound full-depth tooth according to claim 4 drives eccentric active-tooth transmission, it is characterized in that: described driving mechanism is gear drive.
9. compound full-depth tooth according to claim 1 drives eccentric active-tooth transmission, it is characterized in that: described eccentric pivoted arm is more than three or three.
10. compound full-depth tooth according to claim 1 drives eccentric active-tooth transmission, it is characterized in that: described drive plate includes driving disk and flange plate, and driving disk connects with output knuckle-tooth, and driving disk is fixedly connected with flange plate.
11. compound full-depth tooths according to claim 1 drive eccentric active-tooth transmission, it is characterized in that: described transmission shaft is input shaft, and drive plate is output disc, and described transmission device forms retarder.
12. compound full-depth tooths according to claim 1 drive eccentric active-tooth transmission, it is characterized in that: described transmission shaft is output shaft, and rolling disc is input disc, and described transmission device forms accelerator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099622.4U CN204459011U (en) | 2015-02-12 | 2015-02-12 | A kind of compound full-depth tooth drives eccentric active-tooth transmission |
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|---|---|---|---|
| CN201520099622.4U CN204459011U (en) | 2015-02-12 | 2015-02-12 | A kind of compound full-depth tooth drives eccentric active-tooth transmission |
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| CN204459011U true CN204459011U (en) | 2015-07-08 |
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| CN201520099622.4U Expired - Fee Related CN204459011U (en) | 2015-02-12 | 2015-02-12 | A kind of compound full-depth tooth drives eccentric active-tooth transmission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653716A (en) * | 2015-02-12 | 2015-05-27 | 浙江恒丰泰减速机制造有限公司 | Compound full-tooth driven eccentric movable tooth driving device |
| CN110230683A (en) * | 2019-07-11 | 2019-09-13 | 嘉兴市恒工精密机械有限公司 | A kind of output panel and its processing method |
-
2015
- 2015-02-12 CN CN201520099622.4U patent/CN204459011U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653716A (en) * | 2015-02-12 | 2015-05-27 | 浙江恒丰泰减速机制造有限公司 | Compound full-tooth driven eccentric movable tooth driving device |
| CN110230683A (en) * | 2019-07-11 | 2019-09-13 | 嘉兴市恒工精密机械有限公司 | A kind of output panel and its processing method |
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