CN205423770U - Serial -type cycloid gear reduction unit - Google Patents
Serial -type cycloid gear reduction unit Download PDFInfo
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- CN205423770U CN205423770U CN201520802283.1U CN201520802283U CN205423770U CN 205423770 U CN205423770 U CN 205423770U CN 201520802283 U CN201520802283 U CN 201520802283U CN 205423770 U CN205423770 U CN 205423770U
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- reduction assemblies
- level reduction
- casing
- output shaft
- speed reducing
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Abstract
Serial -type cycloid gear reduction unit comprises casing, first order speed reducing component, second level speed reducing component, third level speed reducing component, its casing comprises well seat, zuo gai, right side lid to join into the rigidity casing with the screw, when whole speed reducer is vertical when installing and use, integral flange is made to the tip of third level speed reducing component output shaft, during horizontal installing and use, well seat below joins the base with the screw. Respectively there are 4 discs in the middle section of 3 above -mentioned speed reducing component input shafts, on the external diameter of its two middle discs, are equipped with the intact bearing of non - to increase the rigidity of input shaft, and share the stress of its both ends bearing, on third level speed reducing component's the packing ring external diameter, also be equipped with the intact bearing of non -, share the stress of its both ends bearing, the intact bearing of whole non -s, its shape is tile shape, be provided with the periphery that the bearing is finished to the non - at zuo gai and yougai, all have radial gusset to satisfy part rigidity and radiating condition.
Description
Technical field:
This utility model relates to a kind of tandem cycloid gear reductor, and feature can be called for short tubulose reductor in shape.Belong to mechanical transmission fields.It is particularly suitable for the mechanical hand support that low speed, heavy duty and conrotatory to be negated turn, and is arranged in space-constrained pipeline.
Background technology:
In prior art, under specific condition speed reducing machinery, typically use involute gear speed reducer, or cycloidal planetary gear speed reducer more.But, these reductors have following shortcoming unavoidably:
1, heating: improve the temperature of lubricant, reduces the life-span of bearing, reduces retardation efficiency.
2, noise: affect the quiet environment of operator, strengthen feeling of fatigue.
3, volume is bigger: take the space that machinery is overall.
4, heavier-weight: consume metal material more.
For disadvantages mentioned above, this utility model uses the cycloid gear Meshing Pair rolled in opposite directions, the theoretical analysis and calculating, and its flank of tooth is sliding
Move speed the lowest, only the 1/10 of involute gear, overcome noise and heating problem.
Another distinguishing feature of cycloid gear Meshing Pair, is that high speed shaft is equivalent to " the tooth axle of only one of which tooth ", plays the structural principle advantage of " the little then size of speed ratio is little ", uses little speed ratio plural serial stage to realize the target of " small size is big passes ratio ".
Tooth shape character the most of the present utility model: tubbiness is plump, there are not tensile, compressive, bending, cuts equal strength problem, can be designed that volume is little, lightweight special reductor, not only saves a large amount of metal, reduces cost, and efficiency is the highest, reliable operation.
Summary of the invention:
In order to solve the problems referred to above, present invention content is as follows:
Tandem cycloid gear reductor, is made up of casing, first order reduction assemblies, second level reduction assemblies, third level reduction assemblies；Its casing is made up of middle seat, left cover, right cover, and is coupled to stiff case with screw；When whole reductor is vertical install and use time, integral flange is made in the end of third level reduction assemblies output shaft；Horizontal when installing and using, connect base with screw below middle seat.
Tandem cycloid gear reductor, has following 5 features:
The power shaft of the most above-mentioned 3 reduction assemblies is equal with centre-to-centre spacing A of output shaft, therefore forms two through holes being parallel to each other in casing；
The speed reducing ratio of the most above-mentioned 3 reduction assemblies is identical, and total reduction ratio is to calculate by the cube of primary speed-down ratio；
The geometric parameter of the cycloid gear tooth curve of the most above-mentioned 3 reduction assemblies is identical, and the radial dimension of Meshing Pair is identical, and only its axial dimension increases along with the other increase of retarding stage；
4. the power shaft of first order reduction assemblies, has one end to stretch in the axle sleeve at output shaft center of second level reduction assemblies；The power shaft of second level reduction assemblies, has one end to stretch in the axle sleeve at output shaft center of third level reduction assemblies；
5. the power shaft of second level reduction assemblies, has one end to stretch in the output shaft centre bore of first order reduction assemblies, and uses key joint；The power shaft of third level reduction assemblies, has one end to stretch in the output shaft centre bore of second level reduction assemblies, and uses key joint.
It is respectively arranged with 4 disks in the stage casing of above-mentioned 3 reduction assemblies power shafts, on the external diameter of its two middle disks, is provided with non-complete bearing, to increase the rigidity of power shaft, and share the stress of its bearings at both ends；In the washer outer diameter of third level reduction assemblies, it also is provided with non-complete bearing, shares the stress of its bearings at both ends；Whole non-complete bearings, its shape is shoe；It is provided with the periphery of non-complete bearing in left cover and right cover, all has radially gusset, to meet detail rigidity and radiating condition.
Accompanying drawing illustrates:
In order to be more clearly understood that this utility model, referring concurrently to accompanying drawing, this utility model will be described, wherein by embodiment:
Fig. 1 is that the structure of tandem cycloid gear reductor is always schemed, and is also the A-A longitudinal sectional drawing of Fig. 2.
Fig. 2 is the B-B sectional view of Fig. 1.
Fig. 3 is the C-C sectional view of Fig. 1.
Fig. 4 is the front view of casing.
Fig. 5 is this utility model axial front view when horizontal installing and using.
In figure:
General part standard component: 7. bearing, 8. axle sleeve, 9. key；A. centre-to-centre spacing.
K. casing, 1, middle seat, 2, left cover, 3, right cover, 4, screw, 5, base, 6. bearing cap；
J1. primary speed-down assembly, 11. power shafts, 12. output shafts, 13. cycloid gears, 14. packing rings, 15. non-complete bearings；
J2. double reduction assembly, 21. power shafts, 22. output shafts, 23. cycloid gears, 24. packing rings, 25. non-complete bearings, 28. axle sleeves；
J3. three grades of reduction assemblies, 31. power shafts, 32. output shafts, 33. cycloid gears, 34. packing rings, 35. non-complete bearings, 36. non-complete bearings, 38. axle sleeves.
Detailed description of the invention:
Fig. 1 is that the structure of tandem cycloid gear reductor is always schemed, and is also the A-A longitudinal sectional drawing of Fig. 2.It is that part of the present utility model is all shown.
Fig. 2 is the B-B sectional view of Fig. 1.
Fig. 3 is the C-C sectional view of Fig. 1.
Fig. 4 is the front view of casing (K).
Fig. 5 is the D-D direction view of Fig. 1.Also it is the axial front view when horizontal installing and using.
Tandem cycloid gear reductor, by casing (K), first order reduction assemblies (J1), second level reduction assemblies (J2) and third level reduction assemblies (J3) constitute；Its casing (K), it is made up of middle seat (1), left cover (2) and right cover (3), and is coupled to stiff case with screw (4)；When whole reductor is vertical install and use time, third level reduction assemblies (J3) end of output shaft (32) makes integral flange；Horizontal when installing and using, middle seat (1) lower section screw (4) connection base (5).
Tandem cycloid gear reductor, it is characterised in that have following 5 features:
The power shaft of the most above-mentioned 3 reduction assemblies is equal with centre-to-centre spacing A of output shaft, therefore at casing (K) two through holes being parallel to each other of upper formation；
The speed reducing ratio of the most above-mentioned 3 reduction assemblies is identical, and total reduction ratio is to calculate by the cube of primary speed-down ratio；
The geometric parameter of the cycloid gear tooth curve of the most above-mentioned 3 reduction assemblies is identical, and the radial dimension of Meshing Pair is identical, and only its axial dimension increases along with the other increase of retarding stage；
4. first order reduction assemblies (J1) power shaft (11), have one end to stretch into second level reduction assemblies (J2) output shaft (22) center axle sleeve (28) in；Second level reduction assemblies (J2) power shaft (21), have one end to stretch into third level reduction assemblies (J3) output shaft (32) center axle sleeve (38) in；
5. second level reduction assemblies (J2) power shaft (21), have one end to stretch into first order reduction assemblies (J1) output shaft (12) centre bore in, and with key (9) connect；Third level reduction assemblies (J3) power shaft (31), have one end to stretch into second level reduction assemblies (J2) output shaft (22) centre bore in, and with key (9) connect.
It is respectively arranged with 4 identical disks (13,23,33) in the stage casing of above-mentioned 3 reduction assemblies power shafts (11,21,31), on the external diameter of its two middle disks, it is provided with non-complete bearing (15,25,35), to increase the rigidity of power shaft, and share the stress of its bearings at both ends；Third level reduction assemblies (J3) packing ring (34) external diameter on, also be provided with non-complete bearing (36), share the stress of its bearings at both ends；Whole non-complete bearings, its shape is shoe；It is provided with the periphery of non-complete bearing in left cover (2) and right cover (3), all has radially gusset, to meet detail rigidity and radiating condition.
Due to compact conformation of the present utility model, space is the least, it is impossible to the complete bearing that installation volume is bigger, fortunately the stress characteristic of cycloid gear Meshing Pair, is not omnibearing, and rotating speed reduces along with the increase of step of reduction, this is for installing non-complete sliding bearing, it is provided that permissive condition；Certainly to its material and the selection of size, it is necessary to determined by design calculating.
It should also be noted that if by microcomputer automatic program optimization design elements size especially, and use the 3D printing technique process implementing of advanced person to produce product, will be the optimum selection of following various mechanical hand support.
At present it was determined that be capable of following speed reducing ratio, see attached list:
Subordinate list: tandem cycloid gear reductor speed reducing ratio series is composed
Contrast with presently commercially available product:
Look into the product manual in market: Taixing City of Jiangsu Province " the star reductor of Thailand " P24: " three grades of reductor ZS series of involute cylindrical gear; model ZS50; speed ratio 125; power of motor 2.05kw; motor speed 1500rpm, continuous load: its casing (stretching without axle) a size of: high by 588, long 910; wide by 346, volume 185138Cm3, referential weight 325Kg.”
By above-mentioned identical working condition, power of motor 3Kw, the model machine size of Preliminary design, only φ 200 × 360, volume is only 11310Cm3,Estimated weight～70Kg.
By contrast, the 1/16 of only ZS50 volume.Even if improving the safety coefficient of 3 times again, only configuration 1Kw motor uses, and also has the most excellent cost performance！
In addition the tooth shape character of cycloid gear: tubbiness is plump, there are not tensile, compressive, bending, cuts equal strength problem, can be designed that volume is little, lightweight reductor, not only saves a large amount of metal, reduces cost, and efficiency is the highest, reliable operation.
About the concrete mathematical problem of parametric equation formula of cycloid gear tooth curve, disclosed in other Patent project file that the applicant applies in recent years, this literary composition repeats no more.
Above-described is only the preferred embodiment of this utility model tandem cycloid gear reductor; should be understood that; for the person of ordinary skill of the art; on the premise of without departing from this utility model principle; the some deformation made and improvement, also should be regarded as belonging to the protection domain of this utility model patent right.
Claims (3)
1. tandem cycloid gear reductor, it is characterised in that by casing (K), first order reduction assemblies (J1), second level reduction assemblies (J2) and third level reduction assemblies (J3) constitute；Its casing (K) is made up of middle seat (1), left cover (2) and right cover (3), and is coupled to stiff case with screw (4)；When whole reductor is vertical install and use time, third level reduction assemblies (J3) the end of output shaft (32) make integral flange；When horizontal installing and using, middle seat (1) lower section screw (4) connection base (5).
2. the tandem cycloid gear reductor as described in claim 1, it is characterised in that have following 5 features:
The power shaft of the most above-mentioned 3 reduction assemblies is equal with centre-to-centre spacing A of output shaft, therefore at casing (K) two through holes being parallel to each other of upper formation；
The speed reducing ratio of the most above-mentioned 3 reduction assemblies is identical, and total reduction ratio is to calculate by the cube of primary speed-down ratio；
The geometric parameter of the cycloid gear tooth curve of the most above-mentioned 3 reduction assemblies is identical, and the radial dimension of Meshing Pair is identical, and only axial dimension increases along with the other increase of retarding stage；
4. first order reduction assemblies (J1) power shaft (11), have one end to stretch into second level reduction assemblies (J2) output shaft (22) center axle sleeve (28) in；Second level reduction assemblies (J2) power shaft (21), have one end to stretch into third level reduction assemblies (J3) output shaft (32) center axle sleeve (38) in；
5. second level reduction assemblies (J2) power shaft (21), have one end to stretch into first order reduction assemblies (J1) output shaft (12) centre bore in, and with key (9) connect；Third level reduction assemblies (J3) power shaft (31), have one end to stretch into second level reduction assemblies (J2) output shaft (22) centre bore in, and with key (9) connect.
3. the tandem cycloid gear reductor as described in claim 1, it is characterized in that, it is respectively arranged with 4 identical disks (13,23,33) in the stage casing of above-mentioned 3 reduction assemblies power shafts (11,21,31), on the external diameter of its two middle disks, it is provided with non-complete bearing (15,25,35), to increase the rigidity of power shaft, and share the stress of its bearings at both ends；Third level reduction assemblies (J3) packing ring (34) external diameter on, also be provided with non-complete bearing (36), share the stress of its bearings at both ends；Whole non-complete bearings, its shape is shoe；It is provided with the periphery of non-complete bearing in left cover (2) and right cover (3), all has radially gusset, to meet detail rigidity and radiating condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802283.1U CN205423770U (en) | 2015-10-19 | 2015-10-19 | Serial -type cycloid gear reduction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802283.1U CN205423770U (en) | 2015-10-19 | 2015-10-19 | Serial -type cycloid gear reduction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423770U true CN205423770U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520802283.1U Expired - Fee Related CN205423770U (en) | 2015-10-19 | 2015-10-19 | Serial -type cycloid gear reduction unit |
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| CN (1) | CN205423770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276144A (en) * | 2015-10-19 | 2016-01-27 | 袁正敏 | Serial connection type cycloid gear speed reducer |
-
2015
- 2015-10-19 CN CN201520802283.1U patent/CN205423770U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276144A (en) * | 2015-10-19 | 2016-01-27 | 袁正敏 | Serial connection type cycloid gear speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20181019 |