CN109667890A - Hollow rotating formula accurate retarding machine - Google Patents
Hollow rotating formula accurate retarding machine Download PDFInfo
- Publication number
- CN109667890A CN109667890A CN201710957778.5A CN201710957778A CN109667890A CN 109667890 A CN109667890 A CN 109667890A CN 201710957778 A CN201710957778 A CN 201710957778A CN 109667890 A CN109667890 A CN 109667890A
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- China
- Prior art keywords
- gear
- output
- hollow
- hollow rotating
- planetary
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The present invention discloses a kind of hollow rotating formula accurate retarding machine, includes casing, input shaft, ring gear, output planetary frame, hollow rotating platform and hollow output stage；The present invention connects the first input hole by motor, first input hole is connect with sun gear integral type, sun gear engages connection with planetary gear precision, planetary gear engages connection with ring gear precision, speed ratio is generated by the number of teeth of sun gear and ring gear, pass through the output planetary frame output that planetary gear is fixed, it is connect by the first output shaft with the second input hole tight-holding type of hollow rotating platform, second input hole of hollow rotating platform is connect with the pinion gear integral type of hollow rotating platform, the tooth ratio of gear wheel is driven to generate speed ratio by pinion gear, it is hollow among gear wheel, hollow output stage is driven to be exported by gear wheel, it realizes small in size, speed ratio is more, it is big to bear torque, purpose with high accuracy.
Description
Technical field
The present invention relates to speed reducer field technologies, refer in particular to a kind of hollow rotating formula accurate retarding machine.
Background technique
Planetary reducer internal gear has small in size, light-weight, carrying energy using 20CrMnTi carburizing and quenching and roll flute
The characteristics of power is high, and long service life, smooth running, noise is low, output torque is big, and speed ratio is big, high-efficient, performance safety.It has both
The private characteristic of power dividing, multi-tooth meshing.It is a kind of Novel speed reducer with extensive versatility.Maximal input is reachable
104kW.Suitable for lifting transport, engineering machinery, metallurgy, mine, petrochemical industry, building machinery, industry light industry textile industry, medical instrument,
The industrial departments planet series new varieties WGN dead axle transmission such as instrument and meter, automobile, ship, weapons and aerospace speed reducer, WN
Primary and secondary gear transmission speed reducer, elasticity carry few teeth difference speed reducer.
Current planetary reducer generally only has a gear-stage velocity ratio, and speed ratio is few, and bears that torque is small, and precision is not high.Therefore,
It is necessary to improve to current planetary reducer structure.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of hollow rotating formulas
It is few and bear the problem that torque is small, precision is not high to can effectively solve existing planetary reducer speed ratio for accurate retarding machine.
To achieve the above object, the present invention is using following technical solution:
A kind of hollow rotating formula accurate retarding machine includes casing, input shaft, ring gear, output planetary frame, hollow rotating platform
And hollow output stage；The input shaft is rotatablely arranged in casing, and the outer end of input shaft has the first input hole, input
The inner end of axis is integrally formed and is connected with sun gear；The ring gear is fixed in casing；The output planetary frame can be rotatably set
In in casing, being provided with multiple planetary gears on output planetary frame, multiple planetary gear be located at the periphery of sun gear and with
Sun gear engagement, and each planetary gear is engaged with ring gear, has the first output shaft on output planetary frame；The hollow rotation
Turn platform to be rotatablely arranged in casing, the side of hollow rotating platform has the second input hole, first output shaft insertion
It is fixedly connected in second input hole, the other side of hollow rotating platform, which is integrally formed, is connected with pinion gear；The hollow output stage
It is rotatably installed in casing by crossed roller bearing, is fixed with gear wheel on the inside of hollow output stage, the gear wheel
It is engaged with pinion gear, the second output shaft has been extended outward on the outside of hollow output stage, which stretches out outside casing,
The centre of the gear wheel, hollow output stage and the second output shaft is hollow.
Preferably, the tight-holding type device connecting with servo motor is provided at first input hole.
Preferably, the output planetary frame is an integral structure, and has two support arms, and multiple planetary gear is located at two
Between support arm.
Preferably, the planetary gear is three of impartial arrangement.
Preferably, the ring gear and casing, which are integrally formed, connects.
Preferably, the tight-holding type device with the first output axis connection is provided at second input hole.
Preferably, the pinion gear and gear wheel are helical gear.
The present invention has obvious advantages and beneficial effects compared with the existing technology, specifically, by above-mentioned technical proposal
Known to:
The present invention connects the first input hole by motor, and the first input hole is connect with sun gear integral type, sun gear and planet
Gear precision engagement connection, planetary gear engage connection with ring gear precision, generate speed by the number of teeth of sun gear and ring gear
Than being exported by the fixed output planetary frame of planetary gear, passing through the second input hole of the first output shaft and hollow rotating platform
Tight-holding type connection, the second input hole of hollow rotating platform are connect with the pinion gear integral type of hollow rotating platform, pass through small tooth
Wheel drives the tooth ratio of gear wheel generating speed ratio, be among gear wheel it is hollow, by gear wheel drive hollow output stage into
Row output realizes that small in size, speed ratio is more, receiving torque is big, purpose with high accuracy.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to the present invention into
Row is described in detail.
Detailed description of the invention
Fig. 1 is that the cross sectional view of the preferred embodiments of the invention is intended to.
Description of drawing identification:
10, casing 20, input shaft
21, the first input hole 22, sun gear
23, tight-holding type device 30, ring gear
40, output planetary frame 41, the first output shaft
42, support arm 50, hollow rotating platform
51, the second input hole 52, pinion gear
53, tight-holding type device 60, hollow output stage
61, the second output shaft 71, planetary gear
72, crossed roller bearing 73, gear wheel.
Specific embodiment
It please refers to shown in Fig. 1, it to include casing 10, defeated that show the specific structures of the preferred embodiments of the invention
Enter axis 20, ring gear 30, output planetary frame 40, hollow rotating platform 50 and hollow output stage 60.
The input shaft 20 is rotatablely arranged in casing 10, and the outer end of input shaft 20 has the first input hole 21, input
The inner end of axis 20 is integrally formed and is connected with sun gear 22, to guarantee the precision and with one heart of sun gear 22 and the first input hole 21
Degree, and guarantee that it is driven gapless.Also, the tight-holding type device connecting with servo motor is provided at first input hole 21
23, to guarantee to connect gapless.
The ring gear 30 is fixed in casing 10；In the present embodiment, the ring gear 30 and casing 10, which are integrally formed, connects,
Realize that bearing torque maximizes, each planetary gear 71 on ring gear 30 and output planetary frame 40 carries out accurate engaged transmission,
When being driven entire planetary reducer, gear is all remained on fixed position, with guarantee precision that gear is driven for a long time and
Efficiency generates speed ratio by the number of teeth of ring gear 30 and the tooth ratio of sun gear 22, and excessive by planetary gear 71 can be real
Existing sun gear 22 generates multiple speed ratios with ring gear 30.
The output planetary frame 40 is rotatablely arranged in casing 10, and multiple planetary gears are provided on output planetary frame 40
71, multiple planetary gear 71 is located at the periphery of sun gear 22 and engages with sun gear 22, and each planetary gear 71 is equal
It is engaged with ring gear 30, there is the first output shaft 41 on output planetary frame 40；In the present embodiment, the output planetary frame 40 is
Integral structure has two support arms 42, multiple planetary gear 71 positioned at two support arms 42 between, the first output shaft 41 and
Output planetary frame 40 uses integral structure, and output planetary frame 40 uses bispin arm configuration, and sets before and after output planetary frame 40
There is bearing support, to guarantee the stability of transmission accuracy and transmission efficiency and transmission.Also, the planetary gear 71 is impartial row
Three of cloth make each of which planetary gear 71 while having 2-3 tooth and sun gear 22 to be engaged transmission, it is made to bear to turn round
Square is shunted, and each planetary gear 71 has been solely subjected to the torque of one third, to realize spy small in size, that receiving torque is big
Point.
The hollow rotating platform 50 is rotatablely arranged in casing 10, and the side of hollow rotating platform 50 is defeated with second
Enter hole 51, which is inserted into the second input hole 51 and is fixedly connected, the other side of hollow rotating platform 50 one at
Type is connected with pinion gear 52；In the present embodiment, armful connecting with the first output shaft 41 is provided at second input hole 51
Compact form device 53, to guarantee to connect gapless.
The hollow output stage 60 is rotatably installed in casing 10 by crossed roller bearing 72, makes its output end face
Can bear radial-axial torque, and on the basis of hollow 60 bottom surface of output stage in face of hollow 60 output face of output stage carry out it is flat
Face mill, to ensure the plane precision of its output end, the inside of hollow output stage 60 is fixed with gear wheel 73, the gear wheel 73 with
Pinion gear 52 engages, and the outside of hollow output stage 60 has extended outward the second output shaft 61, which stretches out
Outside casing 10, the centre of the gear wheel 73, hollow output stage 60 and the second output shaft 61 be it is hollow, to facilitate cabling or walk
Pipe, also, the pinion gear 52 and gear wheel 73 are helical gear, and each gear is respectively equipped with bearing block (in figure not
Show), to ensure its transmission accuracy, and adjusting screw device (not shown) is equipped on the outside of pinion gear 52, by adjusting spiral shell
Silk it is elastic to make up assembly when produced mesh errors of gear pair, realize precision maximum.
The working principle that the present embodiment is described in detail is as follows:
First input hole 21 is connected by motor, the first input hole 21 is connect with 22 integral type of sun gear, sun gear 22 and row
The accurate engagement connection of star gear 71, planetary gear 71 engages connection with 30 precision of ring gear, by sun gear 22 and ring gear 30
The number of teeth generate speed ratio, exported by the fixed output planetary frame 40 of planetary gear 71, pass through the first output shaft 41 and hollow rotation
Turn 51 tight-holding type of the second input hole connection of platform 50, the second input hole 51 and hollow rotating platform 50 of hollow rotating platform 50
The connection of 52 integral type of pinion gear, drive the tooth ratio of gear wheel 73 generating speed ratio by pinion gear 52, in gear wheel 73
Between be it is hollow, drive hollow output stage 60 to be exported by gear wheel 73, realize that small in size, speed ratio is more, it is big, smart to bear torque
Spend high purpose.(note: speed ratio caused by the gear wheel 73 of hollow output stage 60 and the tooth ratio of pinion gear 52 is level-one
Speed ratio, the speed ratio as caused by ring gear 30 and 22 ratio of sun gear are two gear-stage velocity ratios, and final output speed ratio is by level-one speed
Than the summation being multiplied with two gear-stage velocity ratios, independent level-one or independent second level also can choose, realize multiple gear ratios.)
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain original of the invention
Reason, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, those skilled in the art
Member can associate with other specific embodiments of the invention without creative labor, these modes fall within this
Within the protection scope of invention.
Claims (7)
1. a kind of hollow rotating formula accurate retarding machine, it is characterised in that: include casing, input shaft, ring gear, output planetary
Frame, hollow rotating platform and hollow output stage；The input shaft is rotatablely arranged in casing, and the outer end of input shaft has
First input hole, the inner end of input shaft, which is integrally formed, is connected with sun gear；The ring gear is fixed in casing；The output planetary
Frame is rotatablely arranged in casing, and multiple planetary gears are provided on output planetary frame, and multiple planetary gear is located at the sun
The periphery of gear is simultaneously engaged with sun gear, and each planetary gear is engaged with ring gear, has first on output planetary frame
Output shaft；The hollow rotating platform is rotatablely arranged in casing, and the side of hollow rotating platform has the second input hole, should
First output shaft is inserted into the second input hole and is fixedly connected, and the other side of hollow rotating platform, which is integrally formed, is connected with pinion gear；
The hollow output stage is rotatably installed in casing by crossed roller bearing, is fixed on the inside of hollow output stage big
Gear, the gear wheel are engaged with pinion gear, and the second output shaft has been extended outward on the outside of hollow output stage, second output
Axis stretches out outside casing, and the centre of the gear wheel, hollow output stage and the second output shaft is hollow.
2. hollow rotating formula accurate retarding machine as described in claim 1, it is characterised in that: be provided at first input hole
The tight-holding type device being connect with servo motor.
3. hollow rotating formula accurate retarding machine as described in claim 1, it is characterised in that: the output planetary frame is integral type
Structure has two support arms, and multiple planetary gear is between two support arms.
4. hollow rotating formula accurate retarding machine as described in claim 1, it is characterised in that: the planetary gear is impartial arrangement
Three.
5. hollow rotating formula accurate retarding machine as described in claim 1, it is characterised in that: the ring gear and casing one at
Type connection.
6. hollow rotating formula accurate retarding machine as described in claim 1, it is characterised in that: be provided at second input hole
With the tight-holding type device of the first output axis connection.
7. hollow rotating formula accurate retarding machine as described in claim 1, it is characterised in that: the pinion gear and gear wheel are
Helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957778.5A CN109667890A (en) | 2017-10-16 | 2017-10-16 | Hollow rotating formula accurate retarding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957778.5A CN109667890A (en) | 2017-10-16 | 2017-10-16 | Hollow rotating formula accurate retarding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109667890A true CN109667890A (en) | 2019-04-23 |
Family
ID=66139038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710957778.5A Pending CN109667890A (en) | 2017-10-16 | 2017-10-16 | Hollow rotating formula accurate retarding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109667890A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131399A (en) * | 2019-06-13 | 2019-08-16 | 浙江三凯机电有限公司 | Combined type precise planet-gear speed reducer |
| CN111421814A (en) * | 2020-02-29 | 2020-07-17 | 湖南大学 | Multi-material photocuring 3D printing equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4186626A (en) * | 1978-02-21 | 1980-02-05 | Caterpillar Tractor Co. | Wheel final drive assembly |
| CN201166093Y (en) * | 2008-03-25 | 2008-12-17 | 江苏驰翔精密齿轮有限公司 | Speed increasing gear box of wind power generation device |
| CN202040279U (en) * | 2011-03-15 | 2011-11-16 | 南京高速齿轮制造有限公司 | Speed-increasing gear box of wind-driven generator |
| TW201213682A (en) * | 2010-09-17 | 2012-04-01 | Nidec Shimpo Corp | Hollow speed reducer |
| CN105114535A (en) * | 2015-08-10 | 2015-12-02 | 重庆清平机械有限责任公司 | Hollow planetary speed reducer with eccentric input |
-
2017
- 2017-10-16 CN CN201710957778.5A patent/CN109667890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4186626A (en) * | 1978-02-21 | 1980-02-05 | Caterpillar Tractor Co. | Wheel final drive assembly |
| CN201166093Y (en) * | 2008-03-25 | 2008-12-17 | 江苏驰翔精密齿轮有限公司 | Speed increasing gear box of wind power generation device |
| TW201213682A (en) * | 2010-09-17 | 2012-04-01 | Nidec Shimpo Corp | Hollow speed reducer |
| CN202040279U (en) * | 2011-03-15 | 2011-11-16 | 南京高速齿轮制造有限公司 | Speed-increasing gear box of wind-driven generator |
| CN105114535A (en) * | 2015-08-10 | 2015-12-02 | 重庆清平机械有限责任公司 | Hollow planetary speed reducer with eccentric input |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131399A (en) * | 2019-06-13 | 2019-08-16 | 浙江三凯机电有限公司 | Combined type precise planet-gear speed reducer |
| CN110131399B (en) * | 2019-06-13 | 2024-01-09 | 浙江三凯机电有限公司 | Combined precision planetary gear reducer |
| CN111421814A (en) * | 2020-02-29 | 2020-07-17 | 湖南大学 | Multi-material photocuring 3D printing equipment |
| CN111421814B (en) * | 2020-02-29 | 2022-05-06 | 湖南大学 | Multi-material photocuring 3D printing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190423 |
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| RJ01 | Rejection of invention patent application after publication |