CN106246810B - Worm screw-planetary reduction gear - Google Patents
Worm screw-planetary reduction gear Download PDFInfo
- Publication number
- CN106246810B CN106246810B CN201610606504.7A CN201610606504A CN106246810B CN 106246810 B CN106246810 B CN 106246810B CN 201610606504 A CN201610606504 A CN 201610606504A CN 106246810 B CN106246810 B CN 106246810B
- Authority
- CN
- China
- Prior art keywords
- gear
- tooth bar
- wrom tooth
- planetary
- center
- Prior art date
- 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.)
- Expired - Fee Related
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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
- F16H1/30—Toothed gearings for conveying rotary motion with gears having orbital motion in which an orbital gear has an axis crossing the main axes of the gearing and has helical teeth or is a worm
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- 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
- F16H57/039—Gearboxes for accommodating worm gears
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- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The present invention discloses worm screw-planetary reduction gear, including hollow reduction case, ring gear and an output pedestal are arranged in the reduction case, the output pedestal includes output shaft, the reel being connected with exporting axis, the reel outer edge has even number planetary gear fixing axle, the planetary gear fixing axle is equipped with snail tooth asteroid, snail tooth major planet, the reel inward flange is equipped with several wrom tooth bar wheel fixed frames, wrom tooth bar axis is equipped between each two wrom tooth bar wheel fixed frame, the wrom tooth bar wheel for being in the form of a column structure is arranged on the wrom tooth bar axis, a center helical gear is equipped at the reel center, the center helical gear is equipped with an input shaft, it is arranged with sealing plate on the input shaft.This retarder is based on gear worm combination Planetary Gear Transmission, compact-sized, light-weight, small, can be applied to a variety of occasions, by three-level rotation speed change, realizes that height is transmitted in large torque output, efficiency, practicability is good, should be widely promoted.
Description
Technical field
The present invention relates to a kind of retarders, and in particular to a kind of worm screw-planetary reduction gear.
Background technology
Retarder plays a part of to match rotating speed between prime mover and working machine or executing agency and transmits torque, in the modern times
Using extremely wide in machinery.Universal speed reducer and speed reducer dedicated two major classes can be divided into according to purposes difference, according to gear stage
Number differences can be divided into single-stage and multi-stage speed reducer, can be divided into expansion, shunting again according to the arrangement form of transmission and with into axis
Formula retarder can be divided into cylinder gear speed reducer, cone gear reducer, worm reducer, gear-snail according to tooth factory wheel shape
Bar retarder, string pendulum wheel decelerator, planetary reduction gear.Retarder is a kind of relatively accurate individual components, is generally used for low turn
On the drive apparatus of fast large torque.
Planetary reducer has many advantages, such as that backhaul gap is small, precision is higher, service life is long, while output torque can
To be made very big, when the limitation due to structure, single-stage driving series is generally used, and since the quantity of planet is relatively more, cause
The quality of planetary reducer and output torque ratio be not high, the output torque of general 10000 Ns of rice, and the weight of retarder is just high
Up to 500 kilograms, to make output torque become larger, the weight and volume of planetary reducer must be increased, thereby using inconvenience
And it is limited.
Invention content
In view of the deficienciess of the prior art, the present invention provides a kind of worm screw-planetary reduction gear, this retarder is based on tooth
Wheel-worm-drive combination Planetary Gear Transmission, it is compact-sized, light-weight, small, after three-step gear shift can big torque output,
Practicability is good.
In order to achieve the above object, the technical solution that the present invention takes：
Worm screw-planetary reduction gear, including hollow reduction case are arranged with an inner surface in the reduction case and are equipped with
The ring gear of teeth and one output pedestal, the output pedestal include the output shaft extended out of export-oriented reduction-gear housing body, with it is defeated
Go out axis connection and be nested in the reel in ring gear, the reel outer edge is equipped with is distributed with even number planet with its center annular
Gear fixing axle, planetary gear set is equipped in the planetary gear fixing axle, and the planetary gear set includes being fixed on planet
The snail tooth asteroid engaged in gear fixing axle and with ring gear, the outer surface of the snail tooth asteroid, which is arranged with, to be engaged
Snail tooth major planet, the reel inward flange, which is equipped with, with its center annular is distributed several wrom tooth bar wheel fixed frames and wrom tooth bar
Take turns fixed frame be set to each two planetary gear fixing axle between, between each two wrom tooth bar wheel fixed frame be equipped with wrom tooth bar axis and
Adjacent wrom tooth bar axis is connected with each other, and the wrom tooth bar wheel for being in the form of a column structure is arranged on the wrom tooth bar axis, the wrom tooth bar wheel
Centre is provided with transmission helical gear, and the wrom tooth bar wheel both ends are equipped with the thread axis engaged with snail tooth major planet and two spiral shells
In the thread that tooth axis is engaged with two snail tooth major planets, the horizontal distance between at least one group of thread is equal to corresponding two planets tooth
The axle center distance for taking turns fixing axle, is equipped with a center helical gear fixing axle at the reel center, in the center helical gear fixing axle
Equipped with the center helical gear with transmission helical gear Vertical Meshing, the center helical gear is equipped with an input shaft, the input shaft
On be arranged with the sealing plate being connected with reduction case.
As optimal technical scheme, in order to ensure that wrom tooth bar wheel is stabilized in wrom tooth bar wheel fixed frame, to ensure gear it
Between be effectively driven, be conducive to efficient efficiency and transmit, the end surrounding of the wrom tooth bar wheel fixed frame open up semicircle cambered surface and
The card cap being connected with semicircle cambered surface.
As optimal technical scheme, in order to ensure stable connection between sealing plate and reduction case, it is ensured that retarder is normal
Operation is equipped with fixing collar between the sealing plate and reduction case.
Compared with prior art, the device have the advantages that：
1, multiple Planetary Gear Transmissions are arrived in this retarder setting pinion-endless screw transmission before this again, compact-sized, light-weight,
It is small, it is easy to use, a variety of occasions are can be applied to, by three-level rotation speed change, realize that height is transmitted in large torque output, efficiency,
Practicability is good.
2, wrom tooth bar wheel fixed mount setting has card cap, so that the head and the tail of wrom tooth bar wheel 8 is stabilized in wrom tooth bar wheel by bolt and consolidates
Determine on frame, to ensure effectively to be driven between gear, is conducive to efficient efficiency and transmits.
3, it is equipped with fixing collar between sealing plate and reduction case, ensures stable connection between sealing plate and reduction case, really
Protect retarder normal operation.
Description of the drawings
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the internal structure schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of wrom tooth bar wheel；
Fig. 4 is the structural schematic diagram of planetary gear set；
Fig. 5 is the structural schematic diagram for exporting pedestal；
Fig. 6 is the structural schematic diagram of wrom tooth bar axis；
Fig. 7 is the structural schematic diagram of input shaft；
Fig. 8 is the structural schematic diagram of card cap；
Fig. 9 is the explosive view of the present invention；
Drawing reference numeral：1, reduction case, 2, ring gear, 3, output pedestal, 3-1, output shaft, 3-2, reel, 4, planet
Gear fixing axle, 5, planetary gear set, 5-1, snail tooth asteroid, 5-2, snail tooth major planet, 6, wrom tooth bar wheel fixed frame, 7, wrom tooth
Bar axis, 8, wrom tooth bar wheel, 8-1, transmission helical gear, 8-2, thread axis, 9, center helical gear fixing axle, 10, center helical gear,
11, input shaft, 12, sealing plate, 13, card cap, 14, fixing collar.
Specific implementation mode
A kind of specific embodiment of the present invention, worm screw-planetary reduction gear, including hollow retarder are proposed as shown in Fig. 1~9
Babinet 1 is arranged with ring gear 2 and one of the inner surface equipped with teeth in the reduction case 1 and exports pedestal 3, the output shaft
Frame 3 includes the output shaft 3-1 extended out of export-oriented reduction case 1, is connect with output shaft 3-1 and is nested in ring gear 2
Reel 3-2, the reel 3-2 outer edges are equipped with is distributed with even number planetary gear fixing axle 4, the present embodiment with its center annular
8 planetary gear fixing axles 4 are set, consider that torque output value is larger and installation manufacture craft is simple, planetary gear fixing axle 4 is most
It is good to be arranged at 8,10 or 12, planetary gear set 5, the planetary gear are equipped in the planetary gear fixing axle 4
Group 5 includes the snail tooth asteroid 5-1 for being fixed in planetary gear fixing axle 4 and being engaged with ring gear 2, the snail tooth asteroid
The outer surface of 5-1 is arranged with the snail tooth major planet 5-2 engaged, and the reel 3-2 inward flanges are equipped with its center annular point
Several wrom tooth bar wheel fixed frames 6 of cloth and wrom tooth bar wheel fixed frame 6 are set between each two planetary gear fixing axle 4, this implementation
Example planetary gear fixing axle 4 is arranged 8, then wrom tooth bar wheel fixed frame 6 is arranged 4, is set between each two wrom tooth bar wheel fixed frame 6
There is wrom tooth bar axis 7 and adjacent wrom tooth bar axis 7 is connected with each other, wrom tooth bar axis 7 on the wrom tooth bar axis 7 as shown in fig. 6, be arranged with
It is in the form of a column the wrom tooth bar wheel 8 of structure, the centre of the wrom tooth bar wheel 8 is provided with transmission helical gear 8-1,8 liang of the wrom tooth bar wheel
End is equipped with the spiral shell engaged with two snail tooth major planet 5-2 with the snail tooth major planet 5-2 thread axis 8-2 engaged and two thread axis 8-2
In tooth, the horizontal distance between at least one group of thread is equal to the axle center distance of corresponding two planetary gears fixing axle 4, the axis
A center helical gear fixing axle 9 is equipped at the centers disk 3-1, which is equipped with is driven helical gears with 4
The center helical gear 10 of 8-1 Vertical Meshings, the center helical gear 10 are equipped with an input shaft 11, the input shaft 11 such as Fig. 7
Shown, the present embodiment facility input shaft 7 is coupled with center helical gear using spline, is arranged on the input shaft 11 and retarder
The sealing plate 12 that babinet 1 is connected, sealing plate 12 are fixedly connected by screw with reduction case 1.The teeth number of the ring gear 2
It is the integral multiple of snail tooth 5-1 number of asteroid, the present embodiment is provided with 8 snail tooth asteroid 5-1, then the teeth number of ring gear 2
It is 8 multiple；The teeth number of the center helical gear 10 is the integral multiple for being driven helical gear 8-1, and 4 transmissions are arranged in the present embodiment
Helical gear 8-1, then the teeth number of center helical gear 10 is 4 multiple, ensure that center helical gear 10, wrom tooth bar wheel 8, planet tooth
It is rotated synchronously between wheel group 5 and ring gear.
The end surrounding of the wrom tooth bar wheel fixed frame 6 symmetrically offers semicircle cambered surface and is connected with semicircle cambered surface
Card cap 13, the card cap 13 is as shown in figure 8, the head and the tail of 4 wrom tooth bar wheels 8 are stabilized in wrom tooth bar wheel by card cap 13 by bolt
On fixed frame 6, as shown in Fig. 2, to ensure effectively to be driven between gear, is conducive to efficient efficiency and transmits.
Fixing collar 14 is equipped between the sealing plate 12 and reduction case 1, as shown in figure 9, fixing collar, sealing plate 12 pass through spiral shell
Bolt is fixed on reduction case 1, fully ensures that stable connection between sealing plate 12 and reduction case 1, it is ensured that retarder is normal
Operation.
When the present invention uses：Input shaft 11 is connected in driving device, and output shaft 3-1 is connected to working machine or executing agency
On, after starting driving device, input shaft 11 rotates under the drive of driving device, to drive the rotation of center helical gear 10,
Driving and 4 transmission helical gear 8-1 of 10 Vertical Meshing of center helical gear rotate, and complete the first power at this time and vertically convert, and
Rotating ratio can be realized by 1:1 is transformed into n：1；After 4 transmission helical gear 8-1 rotations, thread 8-2 drives also with rotation
The 8 snail tooth major planet 5-2 rotations engaged with thread 8-2, complete second of power and vertically convert, realize and be more than 20 at this time:1
Rotating ratio；8 snail tooth major planet 5-2 drive 8 snail tooth pinion gear 5-1 to be rolled along ring gear 2, and then entirely export pedestal 2
Rotation, realizes the output of big torque.
Certainly, only the preferred embodiments of the disclosure is described in detail in conjunction with attached drawing above, not with this
Limit the practical range of the present invention, equivalence changes made by all principles under this invention, construction and structure should all be covered by this
In the protection domain of invention.
Claims (3)
1. worm screw-planetary reduction gear, it is characterised in that：Including hollow reduction case (1), reduction case (1) inner sleeve
The ring gear (2) and an output pedestal (3) of teeth are equipped with equipped with an inner surface, the output pedestal (3) includes slowing down from extroversion
The output shaft (3-1) extended in device babinet (1), the reel (3-2) for connecting and being nested in ring gear (2) with output shaft (3-1),
Reel (3-2) outer edge is equipped with is distributed with even number planetary gear fixing axle (4), the planetary gear with its center annular
Planetary gear set (5) is equipped in fixing axle (4), the planetary gear set (5) includes being fixed on planetary gear fixing axle (4)
Snail tooth asteroid (5-1) that is upper and being engaged with ring gear (2), the outer surface of the snail tooth asteroid (5-1) is arranged with nibbles with it
The snail tooth major planet (5-2) of conjunction, reel (3-2) inward flange, which is equipped with, to be distributed several wrom tooth bar wheels with its center annular and fixes
Frame (6) and wrom tooth bar wheel fixed frame (6) are set between each two planetary gear fixing axle (4), each two wrom tooth bar wheel fixed frame
(6) it is equipped with wrom tooth bar axis (7) between and adjacent wrom tooth bar axis (7) is connected with each other, is arranged in column on the wrom tooth bar axis (7)
The centre of the wrom tooth bar wheel (8) of shape structure, the wrom tooth bar wheel (8) is provided with transmission helical gear (8-1), the wrom tooth bar wheel
(8) both ends are equipped with the thread axis (8-2) and two thread axis (8-2) and two snail tooth major planets engaged with snail tooth major planet (5-2)
In the thread of (5-2) engagement, the horizontal distance between at least one group of thread is equal to corresponding two planetary gears fixing axle (4)
Axle center distance, is equipped with a center helical gear fixing axle (9) at reel (3-2) center, in the center helical gear fixing axle (9)
Equipped with the center helical gear (10) with transmission helical gear (8-1) Vertical Meshing, it is defeated that the center helical gear (10) is equipped with one
Enter axis (11), the sealing plate (12) being connected with reduction case (1) is arranged on the input shaft (11).
2. worm screw-planetary reduction gear according to claim 1, it is characterised in that：The end of the wrom tooth bar wheel fixed frame (6)
The card cap (13) that portion's surrounding symmetrically offers semicircle cambered surface and is connected with semicircle cambered surface.
3. worm screw-planetary reduction gear according to claim 1 or 2, it is characterised in that：The sealing plate (12) and reduction-gear housing
Fixing collar (14) is equipped between body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606504.7A CN106246810B (en) | 2016-07-28 | 2016-07-28 | Worm screw-planetary reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606504.7A CN106246810B (en) | 2016-07-28 | 2016-07-28 | Worm screw-planetary reduction gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246810A CN106246810A (en) | 2016-12-21 |
| CN106246810B true CN106246810B (en) | 2018-08-14 |
Family
ID=57604901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606504.7A Expired - Fee Related CN106246810B (en) | 2016-07-28 | 2016-07-28 | Worm screw-planetary reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246810B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3625849B2 (en) * | 1993-11-26 | 2005-03-02 | 東芝機械株式会社 | Table rotation drive device |
| KR101253947B1 (en) * | 2011-05-02 | 2013-05-07 | 양건석 | Chain decelerator of planet gear |
| CN102966704B (en) * | 2012-11-23 | 2015-10-28 | 白时 | A kind of multi-functional differential buncher |
| KR101595845B1 (en) * | 2013-01-28 | 2016-02-19 | 윤은석 | Decelerator |
| CN103968011B (en) * | 2013-12-10 | 2016-07-06 | 马燕翔 | A kind of location of stepless detent mechanism and descending lifeline and the chair back |
| CN206017617U (en) * | 2016-07-28 | 2017-03-15 | 韦品贵 | Worm planet decelerator |
-
2016
- 2016-07-28 CN CN201610606504.7A patent/CN106246810B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN106246810A (en) | 2016-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: 523000 Room 101, building 1, No. 26, Sanxing Road, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: DONGGUAN TIANYI PRECISION ELECTROMECHANICAL Co.,Ltd. Address before: 535000, room 2, unit 2, building 76, 602 Minsheng street, Qinnan District, the Guangxi Zhuang Autonomous Region, Qinzhou Patentee before: Wei Pingui |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20200728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |