CN204961724U - Planetary reducer with high transmission precision - Google Patents
Planetary reducer with high transmission precision Download PDFInfo
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- CN204961724U CN204961724U CN201520641928.8U CN201520641928U CN204961724U CN 204961724 U CN204961724 U CN 204961724U CN 201520641928 U CN201520641928 U CN 201520641928U CN 204961724 U CN204961724 U CN 204961724U
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- planet wheel
- wheel shaft
- planet
- speed reducer
- high transmission
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 48
- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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Abstract
Planetary reducer with high transmission precision, including the sun gear, the sun gear meshes with the planet wheel that more than one surrounded the sun gear setting mutually, and every planet wheel is installed respectively and is taken turns epaxially at a planet, and every planet shaft is installed respectively on the planet carrier, and the planet carrier includes and the rigidity skeleton surrounds on the rigidity skeleton being equipped with more than one planet shaft the central equipartition of ring gear and settling hole or more than one planet shaft resettlement groove, every planet shaft is equipped with a flexible pole respectively in settling hole or planet shaft resettlement groove, and fixed the linking to each other of inner wall of hole or planet shaft resettlement groove is settled respectively to two ends of every flexible pole with the planet shaft that corresponds, and every flexible pole is continuous with a planet shaft installation respectively, and the radial adjustment position of planet carrier can be followed respectively to every flexible pole. Provide one kind to improve transmission precision through equipment adjustment very convenient its mesh, and planetary reducer's transmission precision is high, low in manufacturing cost's planetary reducer with high transmission precision.
Description
Technical field
The utility model relates to a kind of planetary speed reducer with high transmission accuracy.
Background technique
The precision unit of planetary speed reducer is that arc divides, it is 360 degree that axle turns around, once=60 arcs divide, the method of measurement of planetary speed reducer precision is the power intake of fixing planetary speed reducer, then the rated torque of 20% is added in planet output end of reducer positive and negative direction, then measure the number of degrees of output shaft rotation, the precision of planetary speed reducer can be obtained.Existing planetary speed reducer, because its structural design is unreasonable, cause its transmission accuracy lower, its precision generally can only reach 5 and assign to 6 points, what precision was best also can only accomplish 3 points, and wanting to obtain precision, to assign to the difficulty of the planetary speed reducer of 6 points 5 also very high, sophisticated employee is needed to utilize the sun gear measuring greatly and machine, planet carrier, planet wheel and gear ring carry out complicated coupling assembling operation, could select to assemble a small amount of precision assigns to 6 points planetary speed reducer 5 from numerous parts, not only precision is lower to cause the existing planetary speed reducer with high transmission accuracy thus, be difficult to meet the designing requirement of association area to highi degree of accuracy planetary speed reducer, and be difficult to carry out large batch of production, cost of production is also very high.
Model utility content
Be to provide a kind of very convenient by assembling adjustment raising transmission accuracy, the transmission accuracy of planetary speed reducer is high, the planetary speed reducer with high transmission accuracy of low cost of manufacture order of the present utility model.
The planetary speed reducer with high transmission accuracy of the present utility model, comprise sun gear, sun gear is meshed with the more than one planet wheel arranged around sun gear, each planet wheel is arranged on a planet wheel shaft respectively, each planet wheel shaft is arranged on planet carrier respectively, each planet wheel is meshed with gear ring respectively, described planet carrier comprises rigid backbone, rigid backbone is provided with more than one planet wheel shaft placement hole or more than one planet wheel shaft resettlement groove in uniform way around the center of described gear ring, a flexibility bar is respectively equipped with in each planet wheel shaft placement hole or planet wheel shaft resettlement groove, two ends of each flexibility bar are fixedly linked with the inwall of corresponding planet wheel shaft placement hole or planet wheel shaft resettlement groove respectively, each flexibility bar is installed with a planet wheel shaft respectively and is connected, each flexibility bar respectively can along the radial direction adjustment position of planet carrier.
The planetary speed reducer with high transmission accuracy of the present utility model, on wherein said flexibility bar, radially at least one is provided with jackscrew screw, each jackscrew screw place is installed with jackscrew respectively, and the front end of each jackscrew can withstand on the inwall of corresponding planet wheel shaft placement hole or planet wheel shaft resettlement groove.
The planetary speed reducer with high transmission accuracy of the present utility model, the middle part of wherein said rigid backbone is provided with center hole, and the cross section of described flexibility bar is rectangle or ellipse, each flexibility bar is respectively equipped with 2 jackscrew screws.
The planetary speed reducer with high transmission accuracy of the present utility model, wherein said rigid backbone is tabular, and the plate face of rigid backbone is positioned at left and right vertical direction, the plate face of rigid backbone is radially provided with 3-6 planet wheel axle bed mounting grooves.
The planetary speed reducer with high transmission accuracy of the present utility model, wherein each described planet wheel axle bed mounting groove radially extends to the outer ledge place in described rigid bone frame plate face.
The planetary speed reducer with high transmission accuracy of the present utility model, wherein the middle part of each described flexibility bar is respectively equipped with planet wheel shaft mounting hole, and described planet wheel shaft is arranged on flexibility bar by planet wheel shaft mounting hole.
The planetary speed reducer with high transmission accuracy of the present utility model is when assembling, can first by gear ring, planet carrier, multiple planet wheel, planet wheel shaft and planet wheel axle bed installation in position, and to finely tune back lash between gear ring and multiple planet wheel along the position of gear ring radial direction by adjusting each planet wheel axle bed, order is enclosed and is realized as far as possible between multiple planet wheel engaging the most closely, the centre distance of coupling pitch wheel, to eliminate various sizes deviation as much as possible, to guarantee to obtain the higher planetary speed reducer of transmission accuracy, corresponding sun gear is mated again on this basis, by selecting the suitable multiple planet wheel of sun gear of tolerance of size and realizing as far as possible between sun gear engaging the most closely, the very high planetary speed reducer of transmission accuracy can be obtained thus, experiment shows, adopt the planetary speed reducer with high transmission accuracy that technology of the present utility model obtains, its precision generally all can reach 2 and assign to 3 points, what precision was best can accomplish 1 point, and want to obtain precision greatly to reduce in the difficulty that 2 assign to the planetary speed reducer of 3 points, do not need sophisticated employee, also without using measuring greatly the sun gear machined, planet carrier, planet wheel and gear ring carry out complicated coupling assembling operation, also can select to assemble a small amount of precision assigns to 3 points planetary speed reducer 2 from numerous parts, and can large batch of production be carried out, cost of production also greatly reduces.Therefore, the planetary speed reducer with high transmission accuracy of the present utility model has by assembling adjustment raising transmission accuracy very convenient, and the transmission accuracy of planetary speed reducer is high, the feature of low cost of manufacture.
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
Accompanying drawing explanation
Fig. 1 is the plan view with the structural representation of the planetary speed reducer of high transmission accuracy of the present utility model;
Fig. 2 is the plan view with the planet carrier part of the planetary speed reducer of high transmission accuracy of the present utility model.
Embodiment
As depicted in figs. 1 and 2, comprise sun gear 1, planet carrier 2, more than one planet wheel 3 and gear ring 4, sun gear 1 is meshed with the more than one planet wheel 3 arranged around sun gear 1, each planet wheel 3 is arranged on a planet wheel shaft 5 respectively, each planet wheel shaft 5 is arranged on planet carrier 2 respectively, the axis of more than one planet wheel shaft 5 is parallel each other, more than one planet wheel 3 is meshed with gear ring 4 respectively, planet carrier 2 comprises rigid backbone 7, rigid backbone 7 is provided with more than one planet wheel shaft placement hole or more than one planet wheel shaft resettlement groove 6 in uniform way around the center of described gear ring 4, a flexibility bar 8 is respectively equipped with in each planet wheel shaft placement hole or planet wheel shaft resettlement groove 6, two ends of each flexibility bar 8 are fixedly linked with the inwall of corresponding planet wheel shaft placement hole or planet wheel shaft resettlement groove 6 respectively, the middle part of each flexibility bar 8 is installed with a planet wheel shaft 5 respectively and is connected, whole flexibility bar 8 is arranged around the center of planet carrier 2, each flexibility bar 8 respectively can along the radial direction adjustment position of planet carrier 2.
As further improvement of the utility model, on above-mentioned flexibility bar 8, radially at least one is provided with jackscrew screw 9, each jackscrew screw 9 place is installed with jackscrew respectively, and the front end of each jackscrew can withstand on the inwall of corresponding planet wheel shaft placement hole or planet wheel shaft resettlement groove 6.When assembling, be out of shape by flexibility bar 8 by the jackscrew rotating each jackscrew screw 9 place spinning, and then change the back lash between gear ring 4 and multiple planet wheel 3.
As further improvement of the utility model, the middle part of above-mentioned rigid backbone 7 is provided with center hole, and the cross section of described flexibility bar 8 is rectangle or ellipse, each flexibility bar 8 is respectively equipped with 2 jackscrew screws 9.
As further improvement of the utility model, above-mentioned rigid backbone 7 is tabular, and the plate face of rigid backbone 7 is positioned at left and right vertical direction, the plate face of rigid backbone 7 is radially provided with 3-6 planet wheel axle bed mounting grooves 6.
As further improvement of the utility model, above-mentioned each described planet wheel axle bed mounting groove 6 radially extends to the outer ledge place in described rigid backbone 7 plate face.
As further improvement of the utility model, the middle part of above-mentioned each flexibility bar 8 is respectively equipped with planet wheel shaft mounting hole 10, and planet wheel shaft 5 is arranged on flexibility bar 8 by planet wheel shaft mounting hole 10.
The planetary speed reducer with high transmission accuracy of the present utility model is when assembling, can first by gear ring 4, rigid backbone 7, multiple planet wheel 3, planet wheel shaft 5 installation in position, and by allowing each flexibility bar 8 deform to finely tune back lash between gear ring 4 and multiple planet wheel 3, the centre distance of coupling pitch wheel, to eliminate various sizes deviation as much as possible, make between circle 4 with multiple planet wheel 3 and realize as far as possible engaging the most closely, to guarantee to obtain the higher planetary speed reducer of transmission accuracy, corresponding sun gear 1 is mated again on this basis, by selecting suitable sun gear more than 1 planet wheel 3 of tolerance of size and realizing as far as possible between sun gear 1 engaging the most closely, the very high planetary speed reducer of transmission accuracy can be obtained thus, experiment shows, adopt the planetary speed reducer with high transmission accuracy that technology of the present utility model obtains, its precision generally all can reach 2 and assign to 3 points, what precision was best can accomplish 1 point, and want to obtain precision greatly to reduce in the difficulty that 2 assign to the planetary speed reducer of 3 points, do not need sophisticated employee, also without using measuring greatly the sun gear machined, planet carrier, planet wheel and gear ring carry out complicated coupling assembling operation, also can select to assemble a small amount of precision assigns to 3 points planetary speed reducer 2 from numerous parts, and can large batch of production be carried out, cost of production also greatly reduces.Therefore, the planetary speed reducer with high transmission accuracy of the present utility model has by assembling adjustment raising transmission accuracy very convenient, and the transmission accuracy of planetary speed reducer is high, the feature of low cost of manufacture.
Embodiment recited above is described preferred implementation of the present utility model; not design of the present utility model and scope are limited; do not departing under the utility model design proposal prerequisite; the various modification that in related domain, common engineers and technicians make the technical solution of the utility model and improvement; protection domain of the present utility model all should be fallen into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (6)
1. there is the planetary speed reducer of high transmission accuracy, comprise sun gear (1), sun gear (1) is meshed with the more than one planet wheel (3) arranged around sun gear (1), each planet wheel (3) is arranged on a planet wheel shaft (5) respectively, each planet wheel shaft (5) is arranged on planet carrier (2) respectively, each planet wheel (3) is meshed with gear ring (4) respectively, it is characterized in that: described planet carrier (2) comprises rigid backbone (7), rigid backbone (7) is provided with more than one planet wheel shaft placement hole or more than one planet wheel shaft resettlement groove (6) in uniform way around the center of described gear ring (4), a flexibility bar (8) is respectively equipped with in each planet wheel shaft placement hole or planet wheel shaft resettlement groove (6), two ends of each flexibility bar (8) are fixedly linked with the inwall of corresponding planet wheel shaft placement hole or planet wheel shaft resettlement groove (6) respectively, each flexibility bar (8) is installed with a planet wheel shaft (5) respectively and is connected, each flexibility bar (8) respectively can along the radial direction adjustment position of planet carrier (2).
2. the planetary speed reducer with high transmission accuracy according to claim 1, it is characterized in that: on described flexibility bar (8), radially at least one is provided with jackscrew screw (9), each jackscrew screw (9) place is installed with jackscrew respectively, and the front end of each jackscrew can withstand on the inwall of corresponding planet wheel shaft placement hole or planet wheel shaft resettlement groove (6).
3. the planetary speed reducer with high transmission accuracy according to claim 2, it is characterized in that: the middle part of described rigid backbone (7) is provided with center hole, the cross section of described flexibility bar (8) is rectangle or ellipse, each flexibility bar (8) is respectively equipped with 2 jackscrew screws (9).
4. the planetary speed reducer with high transmission accuracy according to claim 3, it is characterized in that: described rigid backbone (7) is tabular, the plate face of rigid backbone (7) is positioned at left and right vertical direction, the plate face of rigid backbone (7) is radially provided with 3-6 planet wheel axle bed mounting grooves (6).
5. the planetary speed reducer with high transmission accuracy according to claim 4, is characterized in that: each described planet wheel axle bed mounting groove (6) radially extends to the outer ledge place in described rigid backbone (7) plate face.
6. according to the planetary speed reducer with high transmission accuracy in claim 1 to 5 described in any one, it is characterized in that: the middle part of each described flexibility bar (8) is respectively equipped with planet wheel shaft mounting hole (10), and described planet wheel shaft (5) is arranged on flexibility bar (8) by planet wheel shaft mounting hole (10).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641928.8U CN204961724U (en) | 2015-08-24 | 2015-08-24 | Planetary reducer with high transmission precision |
| PCT/CN2016/095793 WO2017032260A1 (en) | 2015-08-21 | 2016-08-18 | Planetary speed reducer with high transmission precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641928.8U CN204961724U (en) | 2015-08-24 | 2015-08-24 | Planetary reducer with high transmission precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204961724U true CN204961724U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520641928.8U Active CN204961724U (en) | 2015-08-21 | 2015-08-24 | Planetary reducer with high transmission precision |
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| CN (1) | CN204961724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017032260A1 (en) * | 2015-08-21 | 2017-03-02 | 吴瑜华 | Planetary speed reducer with high transmission precision |
-
2015
- 2015-08-24 CN CN201520641928.8U patent/CN204961724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017032260A1 (en) * | 2015-08-21 | 2017-03-02 | 吴瑜华 | Planetary speed reducer with high transmission precision |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170609 Address after: 100191 No. 14 Garden North Road, Beijing, Haidian District Patentee after: Beijing peace Machine Technology Co.,Ltd. Address before: 100025 Beijing city Chaoyang District No. 6 Chaowai Xiaozhuang first mall China West Tower 2205 Patentee before: Wu Yuhua |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231128 Address after: No. 511, Gate 2, Building 18, Shuiduizi, Chaoyang District, Beijing, 100020 Patentee after: Wu Yuhua Patentee after: Fang Xin Patentee after: Wang Xinhua Patentee after: Zhao Yue Patentee after: Yin Chunling Patentee after: He Wanling Patentee after: Zhai Chunlin Patentee after: Zhi Jun Address before: No.14 Huayuan North Road, Haidian District, Beijing, 100191 Patentee before: Beijing peace Machine Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231207 Address after: 100000 No. 14, Huayuan North Road, Haidian District, Beijing Patentee after: Beijing peace Machine Technology Co.,Ltd. Address before: No. 511, Gate 2, Building 18, Shuiduizi, Chaoyang District, Beijing, 100020 Patentee before: Wu Yuhua Patentee before: Fang Xin Patentee before: Wang Xinhua Patentee before: Zhao Yue Patentee before: Yin Chunling Patentee before: He Wanling Patentee before: Zhai Chunlin Patentee before: Zhi Jun |
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| TR01 | Transfer of patent right |