CN204961723U - Accurate planetary reducer - Google Patents
Accurate planetary reducer Download PDFInfo
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- CN204961723U CN204961723U CN201520639129.7U CN201520639129U CN204961723U CN 204961723 U CN204961723 U CN 204961723U CN 201520639129 U CN201520639129 U CN 201520639129U CN 204961723 U CN204961723 U CN 204961723U
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- planet wheel
- axle bed
- wheel axle
- planet
- speed reducer
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 55
- 230000000630 rising effect Effects 0.000 claims description 16
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 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
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000239290 Araneae Species 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
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Abstract
Accurate planetary reducer, including sun gear (1), a planetary frame (2), a plurality of planet wheel (3) and ring gear (4), mesh with a plurality of planet wheel (3) of encircleing sun gear (1) setting mutually sun gear (1), install respectively on one planet shaft (5) every planet wheel (3), install respectively on planet carrier (2) every planet shaft (5), mesh with ring gear (4) respectively mutually a plurality of planet wheel (3), install on planet carrier (2) through one planet wheel axle base (7) respectively every planet shaft (5), the radial adjustment position of planet carrier (2) can be followed respectively in every planet wheel axle base (7). 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 accurate planetary reducer.
Description
Technical field
The utility model relates to a kind of accurate planetary speed reducer.
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 existing accurate planetary speed reducer 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 accurate planetary speed reducer of low cost of manufacture order of the present utility model.
Accurate planetary speed reducer of the present utility model, comprise sun gear, planet carrier, multiple planet wheel and gear ring, sun gear is meshed with multiple 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, multiple planet wheel is meshed with gear ring respectively, and each planet wheel shaft is arranged on described planet carrier respectively by a planet wheel axle bed, and each planet wheel axle bed respectively can along the radial direction adjustment position of planet carrier.
Accurate planetary speed reducer of the present utility model, wherein said planet carrier is provided with multiple planet wheel axle bed mounting hole or multiple planet wheel axle bed mounting groove in uniform way around the center of gear ring, be provided with described planet wheel axle bed in planet wheel axle bed mounting hole or planet wheel axle bed mounting groove, planet wheel axle bed radially can adjust position in planet wheel shaft seat mounting hole or planet wheel axle bed mounting groove.
Accurate planetary speed reducer of the present utility model, wherein said planet carrier is radially provided with 3-6 planet wheel axle bed mounting grooves, two sides relative about each planet wheel axle bed mounting groove are parallel to each other, each described planet wheel axle bed comprises a positioning block respectively, two sides relative about each positioning block are parallel to each other and be affixed with the side of corresponding planet wheel axle bed mounting groove, the middle part of each positioning block is respectively equipped with one for installing the planet wheel shaft mounting hole of described planet wheel shaft along anterior-posterior horizontal direction, a planet wheel shaft is fitted with respectively in each planet wheel shaft mounting hole.
Accurate planetary speed reducer of the present utility model, wherein each described positioning block is cuboid, the front end of each positioning block is provided with front screen, the rear end of each positioning block is provided with backboard, front screen and backboard adopt screw to be fixedly linked with corresponding positioning block respectively, and two sides in front screen plate face and two sides in backboard plate face are affixed with the plate face of corresponding described planet carrier respectively.
Accurate planetary speed reducer of the present utility model, wherein each described positioning block comprises intermediate, each intermediate is respectively equipped with gap regulation and control side plate towards the side of described planet wheel axle bed mounting groove, each gap regulation and control side plate is affixed with the side of intermediate respectively towards the end face of intermediate, and each gap regulation and control side plate is affixed with the side of planet wheel axle bed mounting groove respectively towards the end face of described planet wheel axle bed mounting groove.
Accurate planetary speed reducer of the present utility model, the surface that wherein each described gap regulation and control side plate and described intermediate are affixed is provided with the hole of rising in the gap between multiple side regulate and control side plate and planet wheel axle bed mounting groove for regulating and controlling gap, and the axis in hole of rising is positioned at gap and regulates and controls on the surface that side plate and intermediate be affixed.
Accurate planetary speed reducer of the present utility model, the inwall in wherein each hole of rising is respectively equipped with screw thread, is installed with bolt respectively in each hole of rising.
Accurate planetary speed reducer of the present utility model, wherein each hole frustoconic shape respectively that rises, is inserted with circular cone pin in each hole of rising respectively.
Accurate planetary speed reducer of the present utility model, wherein each described planet wheel axle bed mounting groove radially extends to the outer ledge place in described planet frame plate face.
Accurate planetary speed reducer 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, the centre distance of coupling pitch wheel, to eliminate various sizes deviation as much as possible, order is enclosed and is realized as far as possible between multiple planet wheel engaging the most closely, 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 accurate planetary speed reducer 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, accurate planetary speed reducer 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 of the structural representation of accurate planetary speed reducer of the present utility model;
Fig. 2 is the plan view of the planet carrier part of accurate planetary speed reducer of the present utility model;
Fig. 3 is the sectional drawing in A-A cross section in Fig. 2.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, accurate planetary speed reducer of the present utility model, comprise sun gear 1, planet carrier 2, multiple planet wheel 3 and gear ring 4, sun gear 1 is meshed with multiple 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 multiple planet wheel shaft 5 is parallel each other, multiple planet wheel 3 is meshed with gear ring 4 respectively, each planet wheel shaft 5 is arranged on planet carrier 2 respectively by a planet wheel axle bed 7, each planet wheel axle bed 7 respectively can along the radial direction adjustment position of planet carrier 2 gear ring 4 in other words, each planet wheel axle bed 7 is clamped restriction position at the circumferencial direction of gear ring 4 by planet carrier 2.When assembling, adjust planet wheel 3 position radially by mobile planet wheel axle bed 7, to realize eliminating various sizes deviation, order is enclosed and is realized as far as possible between multiple planet wheel engaging the most closely, guarantees to obtain the higher planetary speed reducer of transmission accuracy.
As further improvement of the utility model, the middle part of above-mentioned planet carrier 2 is provided with center hole, planet carrier 2 is provided with multiple planet wheel axle bed mounting hole or multiple planet wheel axle bed mounting groove 6 in uniform way around the center of gear ring 4, in planet wheel axle bed mounting hole or planet wheel axle bed mounting groove 6, planet wheel axle bed 7 is installed, planet wheel axle bed 7 radially can adjust position in planet wheel shaft seat mounting hole or planet wheel axle bed mounting groove 6, planet wheel axle bed 7 is affixed at the sidewall that two sidewalls of circumferencial direction are corresponding with planet wheel axle bed mounting hole or planet wheel axle bed mounting groove 6, move at circumferencial direction to prevent planet wheel shaft seat 7.
As further improvement of the utility model, above-mentioned planet carrier 2 is tabular, the plate face of planet carrier 2 is positioned at left and right vertical direction, the plate face of planet carrier 2 is radially provided with 3-6 planet wheel axle bed mounting grooves 6, two sides that each planet wheel axle bed mounting groove about 6 is relative are parallel to each other, each planet wheel axle bed 7 comprises a positioning block 8 respectively, two sides that each positioning block about 8 is relative are parallel to each other and be affixed with the side of corresponding planet wheel axle bed mounting groove 6, the middle part of each positioning block 8 is respectively equipped with a planet wheel shaft mounting hole 9 for installed rows spider gear shaft 5 along anterior-posterior horizontal direction, a planet wheel shaft 5 is fitted with respectively in each planet wheel shaft mounting hole 9.
As further improvement of the utility model, above-mentioned each positioning block 8 is cuboid, the front end of each positioning block 8 is provided with front screen 10, the rear end of each positioning block 8 is provided with backboard 11, front screen 10 and backboard 11 adopt screw to be fixedly linked with corresponding positioning block 8 respectively, and two sides in front screen 10 plate face and two sides in backboard 11 plate face are affixed with the plate face of corresponding planet carrier 2 respectively.Front screen 10 and backboard 11 are deviate from planet wheel axle bed mounting hole or planet wheel axle bed mounting groove 6 for stoping positioning block 8.
As further improvement of the utility model, above-mentioned each positioning block 8 comprises intermediate 12, each intermediate 12 is respectively equipped with gap regulation and control side plate 13 towards the side of planet wheel axle bed mounting groove 6, each gap regulation and control side plate 13 is affixed with the side of intermediate 12 respectively towards the end face of intermediate 12, and each gap regulation and control side plate 13 is affixed with the side of planet wheel axle bed mounting groove 6 respectively towards the end face of planet wheel axle bed mounting groove 6.Gap regulation and control side plate 13 can be used for adjusting the gap between positioning block 8 and planet wheel axle bed mounting hole or planet wheel axle bed mounting groove 6 inwall.
As further improvement of the utility model, the surface that above-mentioned each gap regulation and control side plate 13 and intermediate 12 are affixed is provided with the hole of rising in the gap between multiple side regulate and control side plate 13 and planet wheel axle bed mounting groove 6 for regulating and controlling gap, and the axis in hole of rising is positioned on the surface that gap regulation and control side plate 13 and intermediate 12 be affixed.
As further improvement of the utility model, the inwall in above-mentioned each hole 14 of rising is respectively equipped with screw thread, in each hole 14 of rising, is installed with bolt respectively.When assembling, by loading bolt to adjust the gap between positioning block 8 and planet wheel axle bed mounting hole or planet wheel axle bed mounting groove 6 inwall in hole 14 of rising.
As further improvement of the utility model, above-mentioned each hole 14 frustoconic shape respectively that rises, is inserted with circular cone pin in each hole 14 of rising respectively.When assembling, by loading the difference of the degree of depth of taper pin nail to adjust the gap between positioning block 8 and planet wheel axle bed mounting hole or planet wheel axle bed mounting groove 6 inwall in hole 14 of rising.
As further improvement of the utility model, above-mentioned each planet wheel axle bed mounting groove 6 radially extends to the outer ledge place in planet carrier 2 plate face.
Accurate planetary speed reducer of the present utility model is when assembling, can first by gear ring 4, planet carrier 2, multiple planet wheel 3, planet wheel shaft 5 and planet wheel axle bed 7 installation in position, and to finely tune back lash between gear ring 4 and multiple planet wheel 3 along the position of gear ring 4 radial direction by adjusting each planet wheel axle bed 7, 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 accurate planetary speed reducer 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, accurate planetary speed reducer 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 (8)
1. accurate planetary speed reducer, comprise sun gear (1), planet carrier (2), multiple planet wheel (3) and gear ring (4), sun gear (1) is meshed with multiple 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, multiple planet wheel (3) is meshed with gear ring (4) respectively, it is characterized in that: each planet wheel shaft (5) is arranged on described planet carrier (2) respectively by a planet wheel axle bed (7), each planet wheel axle bed (7) respectively can along the radial direction adjustment position of planet carrier (2).
2. accurate planetary speed reducer according to claim 1, it is characterized in that: described planet carrier (2) is provided with multiple planet wheel axle bed mounting hole or multiple planet wheel axle bed mounting groove (6) in uniform way around the center of gear ring (4), be provided with described planet wheel axle bed (7) in planet wheel axle bed mounting hole or planet wheel axle bed mounting groove (6), planet wheel axle bed (7) radially can adjust position in planet wheel shaft seat mounting hole or planet wheel axle bed mounting groove (6).
3. accurate planetary speed reducer according to claim 2, it is characterized in that: described planet carrier (2) is radially provided with 3-6 planet wheel axle bed mounting grooves (6), relative two sides, each planet wheel axle bed mounting groove (6) left and right are parallel to each other, each described planet wheel axle bed (7) comprises a positioning block (8) respectively, relative two sides, each positioning block (8) left and right are parallel to each other and be affixed with the side of corresponding planet wheel axle bed mounting groove (6), the middle part of each positioning block (8) is respectively equipped with one for installing the planet wheel shaft mounting hole (9) of described planet wheel shaft (5) along anterior-posterior horizontal direction, a planet wheel shaft (5) is fitted with respectively in each planet wheel shaft mounting hole (9).
4. accurate planetary speed reducer according to claim 3, it is characterized in that: each described positioning block (8) is cuboid, the front end of each positioning block (8) is provided with front screen (10), the rear end of each positioning block (8) is provided with backboard (11), front screen (10) and backboard (11) adopt screw to be fixedly linked with corresponding positioning block (8) respectively, and two sides in front screen (10) plate face and two sides in backboard (11) plate face are affixed with the plate face of corresponding described planet carrier (2) respectively.
5. accurate planetary speed reducer according to claim 4, it is characterized in that: each described positioning block (8) comprises intermediate (12), each intermediate (12) is respectively equipped with gap regulation and control side plate (13) towards the side of described planet wheel axle bed mounting groove (6), each gap regulation and control side plate (13) is affixed with the side of intermediate (12) respectively towards the end face of intermediate (12), each gap regulation and control side plate (13) is affixed with the side of planet wheel axle bed mounting groove (6) respectively towards the end face of described planet wheel axle bed mounting groove (6).
6. accurate planetary speed reducer according to claim 5, it is characterized in that: the surface that each described gap regulation and control side plate (13) and described intermediate (12) are affixed is provided with the hole of rising in the gap between multiple side regulate and control side plate (13) and planet wheel axle bed mounting groove (6) for regulating and controlling gap, the axis in hole of rising is positioned at gap and regulates and controls on the surface that side plate (13) and intermediate (12) be affixed.
7. accurate planetary speed reducer according to claim 6, is characterized in that: the inwall of each hole of rising (14) is respectively equipped with screw thread, is installed with bolt respectively in each hole of rising (14).
8. the accurate planetary speed reducer according to claim 6 or 7, is characterized in that: each described planet wheel axle bed mounting groove (6) radially extends to the outer ledge place in described planet carrier (2) plate face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639129.7U CN204961723U (en) | 2015-08-21 | 2015-08-21 | Accurate planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639129.7U CN204961723U (en) | 2015-08-21 | 2015-08-21 | Accurate planetary reducer |
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| Publication Number | Publication Date |
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| CN204961723U true CN204961723U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520639129.7U Active CN204961723U (en) | 2015-08-21 | 2015-08-21 | Accurate planetary reducer |
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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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2015
- 2015-08-21 CN CN201520639129.7U patent/CN204961723U/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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170619 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 |