CN109869446B - Industrial large-speed-ratio speed reducer - Google Patents
Industrial large-speed-ratio speed reducer Download PDFInfo
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- CN109869446B CN109869446B CN201910125050.5A CN201910125050A CN109869446B CN 109869446 B CN109869446 B CN 109869446B CN 201910125050 A CN201910125050 A CN 201910125050A CN 109869446 B CN109869446 B CN 109869446B
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- planet carrier
- shaft
- rotor planet
- stator
- gear
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The invention discloses an industrial large-speed-ratio speed reducer, which comprises a stator jacket, wherein one end of the stator jacket is provided with a sealing cover, a rotating rotor planet carrier is arranged in the stator jacket and connected with an output shaft, the output shaft extends out of the stator jacket, an input shaft is arranged in the sealing cover, a worm shaft is arranged on the rotor planet carrier, a driving bevel gear is arranged at the input shaft, and a driven bevel gear meshed with the driving bevel gear is arranged in the worm shaft. The common machine tool of the general mechanical factory can be used for production, and the gaps among the annular gear, the star wheel and the worm wheel can be adjusted, so that the requirements on processing equipment are low, and the production and processing cost is reduced. The invention thoroughly solves the problems that the sun gear, the star wheel and the inner gear ring in the traditional planetary reducer cannot be adjusted and the angular position precision in transmission is low.
Description
Technical Field
The invention belongs to the field of speed reducers, and particularly relates to an industrial large-speed-ratio speed reducer.
Background
The base and joint speed reducer of the industrial robot are usually two-stage high-ratio speed reducer for the base, wherein one stage is planetary gear speed reduction, the other stage is pin gear cycloid speed reduction, and the joint is in a harmonic speed reduction mode.
The traditional planetary speed reduction, cycloid speed reduction and diagonal position precision are not required, and only the concentric speed reduction effect is achieved.
On the industrial robot with high precision, the speed reduction part is required to be reduced in precision and the reciprocating angular position is required to be precise.
In the way of planetary gear deceleration, fine adjustment cannot be performed among the sun gear, the star wheel and the annular gear, so that small clearance or zero clearance at the meshing position is difficult to achieve.
Planetary gear reduction is a gear drive with high sensitivity, but when reciprocating, the angular position has an overrunning impact, affecting the positioning accuracy.
Now, japan takes up 90% of the industrial robot decelerator market in the world by virtue of the equipment and process advantages, and china now has a demand of several billion each year, and this demand is expanding, and 95% is purchasing japan products, which is a great investment.
Disclosure of Invention
The invention provides a large-speed-ratio speed reducer for industry, which aims to solve the problems existing in the prior art.
The technical scheme of the invention is as follows: the utility model provides an industrial high-speed ratio reduction gear, includes the stator overcoat, stator overcoat one end is provided with the closing cap, be provided with pivoted rotor planet carrier in the stator overcoat, rotor planet carrier links to each other with the output shaft, the output shaft stretches out from the stator overcoat, be provided with the input shaft in the closing cap, be provided with the worm axle on the rotor planet carrier, input shaft department is provided with initiative bevel gear, be provided with the driven bevel gear with initiative bevel gear engaged with in the worm axle.
The worm shaft is provided with a right-hand part and a left-hand part, the rotor planet carrier is provided with two rotating shafts, and the right-hand part and the left-hand part are respectively meshed with turbines on the two rotating shafts.
The rotary shaft is provided with a star wheel, an annular gear is arranged in the stator jacket, and the star wheel is meshed with the annular gear.
The rotor planet carrier is internally provided with bearing seats, and the rotating shaft is arranged between the two bearing seats.
The bearing seat is internally provided with an arc-shaped mounting hole, the rotor planet carrier is internally provided with a fixing bolt, the fixing bolt is provided with an eccentric wheel, and the position of the bearing seat is finely adjusted by the eccentric wheel.
Two eccentric adjusting sleeves are arranged in the rotor planet carrier, arc-shaped adjusting holes are formed in the eccentric adjusting sleeves, bolts penetrate through the arc-shaped adjusting holes to fix the eccentric adjusting sleeves, and the distance between the star wheel and the inner gear ring can be finely adjusted through the relative positions of the bolts and the arc-shaped adjusting holes.
The output shaft and the input shaft are coaxial.
And a support bearing for supporting the rotor planet carrier is arranged in the stator jacket.
An inner bearing for supporting the rotating shaft is arranged in the eccentric adjusting sleeve.
The beneficial effects of the invention are as follows:
the invention has high precision, can realize the clearance between the left-handed part and the right-handed part on the worm shaft and the turbine, and improves the precision between the left-handed part and the right-handed part in the assembly process.
According to the invention, a large-ratio adjustment can be realized through a worm turbine transmission mode, meanwhile, the worm turbine can be self-locked, and the operation is stable without exceeding impact when the angle changes.
The common machine tool of the general mechanical factory can be used for production, and the gaps among the annular gear, the star wheel and the worm wheel can be adjusted, so that the requirements on processing equipment are low, and the production and processing cost is reduced.
The invention thoroughly solves the problems that the sun gear, the star wheel and the inner gear ring in the traditional planetary reducer cannot be adjusted and the angular position precision in transmission is low.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
wherein:
1. stator jacket 2 sealing cover
3. Input shaft 4 output shaft
5. Rotor planet carrier 6 driving bevel gear
7. Driven bevel gear 8 worm shaft
9 turbine 10 shaft
11 eccentric adjusting sleeve 12 supporting bearing
13 inner gear ring 14 star wheel
15 inner bearing 16 arc-shaped adjusting hole
17 bearing seat 18 mounting arc hole
19 right-hand portion 20 left-hand portion
21 a fixed bolt 22 eccentric.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples:
as shown in fig. 1-2, an industrial large-speed-ratio reducer comprises a stator housing 1, wherein a sealing cover 2 is arranged at one end of the stator housing 1, a rotor planet carrier 5 which rotates is arranged in the stator housing 1, the rotor planet carrier 5 is connected with an output shaft 4, the output shaft 4 extends out of the stator housing 1, an input shaft 3 is arranged in the sealing cover 2, a worm shaft 8 is arranged on the rotor planet carrier 5, a driving bevel gear 6 is arranged at the position of the input shaft 3, and a driven bevel gear 7 meshed with the driving bevel gear 6 is arranged in the worm shaft 8.
The worm shaft 8 is provided with a right-hand part 19 and a left-hand part 20, the rotor planet carrier 5 is provided with two rotating shafts 10, and the right-hand part 19 and the left-hand part 20 are respectively meshed with the turbines 9 on the two rotating shafts 10.
The rotating shaft 10 is provided with a star wheel 14, the stator housing 1 is provided with an inner gear ring 13, and the star wheel 14 is meshed with the inner gear ring 13.
The rotor planet carrier 5 is provided with bearing seats 17 therein, and the rotating shaft 10 is arranged between the two bearing seats 17.
The bearing seat 17 is internally provided with an arc-shaped mounting hole 18, the rotor planet carrier 5 is internally provided with a fixing bolt 21, the fixing bolt 21 is provided with an eccentric wheel 22, and the eccentric wheel 22 finely adjusts the position of the bearing seat 17.
Two eccentric adjusting sleeves 11 are arranged in the rotor planet carrier 5, arc-shaped adjusting holes 16 are formed in the eccentric adjusting sleeves 11, bolts penetrate through the arc-shaped adjusting holes 16 to fix the eccentric adjusting sleeves 11, and the distance between the star wheel 14 and the annular gear 13 can be finely adjusted through the relative positions of the bolts and the arc-shaped adjusting holes 16.
The output shaft 4 and the input shaft 3 are coaxial.
A support bearing 12 for supporting the rotor planet carrier 5 is arranged in the stator housing 1.
An inner bearing 15 for supporting the rotating shaft is arranged in the eccentric adjusting sleeve 11.
The invention improves on the basis of the traditional planetary reducer, the sun gear in the traditional planetary reducer is abandoned, the turbines on the two rotating shafts 10 are driven through the right-hand part 19 and the left-hand part 20 on the worm shaft 8, and the star wheel 14 is driven through the rotating shafts 10.
The sealing cover 2 is provided with a bearing for supporting the input shaft 3, and the stator housing 1 is provided with a bearing for supporting the output shaft 4.
The axis of the rotating shaft 10 is parallel to the axes of the input shaft 3 and the output shaft 4, and the worm shaft 8 is vertical to the axis space of the rotating shaft 10.
A stepped structure for positioning one side of the inner gear ring 13 is arranged in the stator housing 1.
The rotor planet carrier 5 is a double-hole rotor planet carrier.
The included angle between the installation strip-shaped hole and the worm shaft 8 is an acute angle. The eccentric wheel 22 is manually operated, the eccentric wheel 22 drives the bearing seat 17 to deflect, so that the adjustment of the worm shaft 8 is realized, the clearance between the right-hand part 19, the left-hand part 20 and the turbine 9 is realized, and then the bearing seat 17 is fixed in the rotor planet carrier 5 by screwing bolts.
The adjusting principle of the arc-shaped adjusting holes 16 is the same as that described above, after the bolts are loosened, the eccentric adjusting sleeve 11 can be adjusted, when the bolts are adjusted towards the annular gear 13, the gap between the annular gear 13 and the star wheel 14 is reduced, when the annular gear 13 is adjusted according to the principle, the gap between the annular gear 13 and the star wheel 14 is increased, and after the bolts are screwed, the eccentric adjusting sleeve 11 is fixed in the rotor planet carrier 5.
The invention has high precision, can realize the clearance between the left-handed part and the right-handed part on the worm shaft and the turbine, and improves the precision between the left-handed part and the right-handed part in the assembly process.
According to the invention, a large-ratio adjustment can be realized through a worm turbine transmission mode, meanwhile, the worm turbine can be self-locked, and the operation is stable without exceeding impact when the angle changes.
The common machine tool of the general mechanical factory can be used for production, and the gaps among the annular gear, the star wheel and the worm wheel can be adjusted, so that the requirements on processing equipment are low, and the production and processing cost is reduced.
The invention thoroughly solves the problems that the sun gear, the star wheel and the inner gear ring in the traditional planetary reducer cannot be adjusted and the angular position precision in transmission is low.
Claims (4)
1. An industrial large speed ratio reducer comprises a stator casing (1), and is characterized in that: one end of the stator housing (1) is provided with a sealing cover (2), a rotary rotor planet carrier (5) is arranged in the stator housing (1), the rotor planet carrier (5) is connected with an output shaft (4), the output shaft (4) extends out of the stator housing (1), an input shaft (3) is arranged in the sealing cover (2), a worm shaft (8) is arranged on the rotor planet carrier (5), a driving bevel gear (6) is arranged at the input shaft (3), and a driven bevel gear (7) meshed with the driving bevel gear (6) is arranged in the worm shaft (8);
the worm shaft (8) is provided with a right-hand part (19) and a left-hand part (20), the rotor planet carrier (5) is provided with two rotating shafts (10), and the right-hand part (19) and the left-hand part (20) are respectively meshed with turbines (9) on the two rotating shafts (10);
a star wheel (14) is arranged on the rotating shaft (10), an annular gear (13) is arranged in the stator jacket (1), and the star wheel (14) is meshed with the annular gear (13);
a bearing seat (17) is arranged in the rotor planet carrier (5), and the rotating shaft (10) is arranged between the two bearing seats (17);
an installation arc-shaped hole (18) is formed in the bearing seat (17), a fixing bolt (21) is further arranged in the rotor planet carrier (5), an eccentric wheel (22) is arranged on the fixing bolt (21), and the position of the bearing seat (17) is finely adjusted by the eccentric wheel (22);
two eccentric adjusting sleeves (11) are arranged in the rotor planet carrier (5), arc-shaped adjusting holes (16) are formed in the eccentric adjusting sleeves (11), bolts penetrate through the arc-shaped adjusting holes (16) to fix the eccentric adjusting sleeves (11), and the distance between the star wheel (14) and the inner gear ring (13) can be finely adjusted through the relative positions of the bolts and the arc-shaped adjusting holes (16);
a step structure for positioning one side of the inner gear ring (13) is arranged in the stator jacket (1).
2. An industrial high speed ratio reducer according to claim 1, characterized in that: the output shaft (4) and the input shaft (3) are coaxial.
3. An industrial high speed ratio reducer according to claim 2, characterized in that: a support bearing (12) for supporting the rotor planet carrier (5) is arranged in the stator housing (1).
4. An industrial high speed ratio reducer according to claim 3, characterized in that: an inner bearing (15) for supporting the rotating shaft is arranged in the eccentric adjusting sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125050.5A CN109869446B (en) | 2019-02-20 | 2019-02-20 | Industrial large-speed-ratio speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125050.5A CN109869446B (en) | 2019-02-20 | 2019-02-20 | Industrial large-speed-ratio speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109869446A CN109869446A (en) | 2019-06-11 |
| CN109869446B true CN109869446B (en) | 2024-02-09 |
Family
ID=66918958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910125050.5A Active CN109869446B (en) | 2019-02-20 | 2019-02-20 | Industrial large-speed-ratio speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109869446B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008037355A (en) * | 2006-08-09 | 2008-02-21 | Nissan Motor Co Ltd | Electro-motive drive device |
| CN202023888U (en) * | 2011-04-08 | 2011-11-02 | 南京金腾重载齿轮箱有限公司 | Planetary transmission high-power vertical-mill speed reducer |
| CN106931100A (en) * | 2016-12-27 | 2017-07-07 | 广东技术师范学院 | The deceleration gear that a kind of turbine and worm is combined with dual planetary gear |
| CN207049275U (en) * | 2017-07-31 | 2018-02-27 | 北京丰隆汇技术有限公司 | One kind windowing draw curtain decelerator |
| CN210106494U (en) * | 2019-02-20 | 2020-02-21 | 天津德恒源科技有限公司 | Industrial large-ratio speed reducer |
-
2019
- 2019-02-20 CN CN201910125050.5A patent/CN109869446B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008037355A (en) * | 2006-08-09 | 2008-02-21 | Nissan Motor Co Ltd | Electro-motive drive device |
| CN202023888U (en) * | 2011-04-08 | 2011-11-02 | 南京金腾重载齿轮箱有限公司 | Planetary transmission high-power vertical-mill speed reducer |
| CN106931100A (en) * | 2016-12-27 | 2017-07-07 | 广东技术师范学院 | The deceleration gear that a kind of turbine and worm is combined with dual planetary gear |
| CN207049275U (en) * | 2017-07-31 | 2018-02-27 | 北京丰隆汇技术有限公司 | One kind windowing draw curtain decelerator |
| CN210106494U (en) * | 2019-02-20 | 2020-02-21 | 天津德恒源科技有限公司 | Industrial large-ratio speed reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109869446A (en) | 2019-06-11 |
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