CN206190822U - Accurate planet reducing gear box - Google Patents
Accurate planet reducing gear box Download PDFInfo
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- CN206190822U CN206190822U CN201621270276.2U CN201621270276U CN206190822U CN 206190822 U CN206190822 U CN 206190822U CN 201621270276 U CN201621270276 U CN 201621270276U CN 206190822 U CN206190822 U CN 206190822U
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Abstract
The utility model relates to an accurate planet reducing gear box, including casing, input shaft, establish one -level reduction gears and double reduction mechanism in the casing, the casing include input flange, the input axle bed and output the flange, input flange mutually fasten fixed connection through inner hexagonal cylinder head screw with the input between the axle bed, fasten fixed connection mutually through inner hexagonal cylinder head screw between input axle bed, one -level ring gear, secondary inner gear ring, the output flange. An accurate planet reducing gear box, light in weight, small, the drive ratio scope is big, efficient, smooth operation, noise low and characteristics such as strong adaptability.
Description
Technical field
The utility model is related to the field of reduction box, especially a kind of accurate planetary reduction box.
Background technology
Accurate planetary reduction box belongs to NGW type epicyclic type casees.Accurate planetary reduction box has double reduction, the first order
All be with the second level planetary mechanism slow down, including major part have primary planet pinion, one-level central gear, one-level internal tooth
Circle, primary planet carrier and secondary planetary gear, secondary sun gear, two grades of ring gears, secondary planet framves.Planet carrier plays support
Planetary effect, and determine the centre-to-centre spacing of the planetary mechanism.The current weight weight for using, volume are big, gear range
The defect such as small, efficiency is low, operating is unstable, noise is big and adaptability is poor.
The content of the invention
The technical problems to be solved in the utility model is：In order to overcome it is above-mentioned present in problem, there is provided it is a kind of accurate
Planetary reduction box, its design structure rationally and transmission efficiency.
The utility model solves the technical scheme that its technical problem used：A kind of accurate planetary reduction box, including machine
Shell, input shaft, the primary speed-down mechanism being located in casing and two reduction gear, described casing include input flange, input
Axle bed and output flange,
Described primary speed-down mechanism include one-level sun gear, at least three primary planet pinions, primary planet carrier with
And one-level ring gear, input shaft is mutually fixedly connected with one-level sun gear, primary planet pinion respectively with one-level sun gear and
One-level ring gear is meshed, and one-level fixed star top cover and primary planet axle are provided with primary planet carrier, is set with primary planet axle
There is the first short needle bearing, primary planet pinion is arranged on primary planet carrier by primary planet axle and the first short needle bearing
Side；
Described two reduction gear include two grades of sun gears, at least three secondary planetary gears, secondary planet frame with
And two grades of ring gears, secondary planetary gear is meshed with two grades of sun gears and two grades of ring gears respectively, primary planet carrier and two
Level sun gear is mutually fixedly connected, and secondary planet frame is provided with two grades of fixed star top covers and secondary planet axle, is covered on secondary planet axle
Equipped with the second short needle bearing and needle bearing long, secondary planetary gear by secondary planet axle and the second short needle bearing and
Needle bearing long is arranged on the side of secondary planet frame,
Described one-level fixed star top cover is located between one-level sun gear and two grades of sun gears, two grades of described fixed star tops
Lid is located between two grades of sun gears and secondary planet frame, and interior hexagonal cylindrical is passed through between described input flange and input axle bed
Head screw is fastened and is fixedly connected, input axle bed, one-level ring gear, two grades justified by interior hexagonal between ring gear, output flange
Chapiter screw is fastened and is fixedly connected.
Further, in order to reach transmission purpose, connection is rotated between described secondary planet frame and output flange
There is the first deep groove ball bearing.
In order to reach the purpose of sealing, skeleton is provided between the port of described output flange and secondary planet frame
Oil sealing, O-ring seal is provided between described output flange and two grades of ring gears and one-level ring gear and two grades of ring gears.
In order to be easy to output to be driven, round end flat key is provided with the output end of described secondary planet frame.
In order to realize transmission effect more preferably, between described secondary planet frame and one-level ring gear, two grades of ring gears
The second deep groove ball bearing is rotatably connected to, the 3rd deep groove ball bearing is rotatably connected between described input shaft and input axle bed.
Prevent the 3rd deep groove ball bearing from sliding in order to reach clamping, be provided with described input axle bed for by the
Three deep groove ball bearings are clamped on the hole jump ring on input axle bed, are equipped with described input shaft for by the 3rd deep-groove ball axle
Hold the axle jump ring being clamped on input shaft.
Secondary planet tooth inner sleeve is provided between described secondary planet axle and the second short needle bearing and needle bearing long.
Be equipped with described secondary planet frame for isolate the secondary planet frame of two grades of ring gears and secondary planet frame every
From set.
Tooth number Z=36 of described primary planet pinion, modulus=1mm, pressure angle=20 degree, the facewidth=16mm, in
The heart is away from=36.15mm；Tooth number Z=36 of one-level sun gear, modulus=1mm, pressure angle=20 degree, the facewidth=20mm, in
The heart is away from=36.15mm；Tooth number Z=108 of one-level ring gear, modulus=1mm, pressure angle=20 degree, the facewidth=18.5mm, in
The heart is away from=36.15mm.
Tooth number Z=28 of described secondary planetary gear, modulus=1mm, pressure angle=20 degree, the facewidth=36mm, in
The heart is away from=40.28mm；Two grades of tooth number Z=54 of sun gear, modulus=1mm, pressure angle=20 degree, the facewidth=39mm, in
The heart is away from=40.28mm；Two grades of tooth number Z=108 of ring gear, modulus=1mm, pressure angle=20 degree, the facewidth=45.5mm, center
Away from=40.28mm.
The beneficial effects of the utility model are：Described a kind of accurate planetary reduction box, lightweight, small volume, gearratio
Scope is big, efficiency high, smooth running, low noise and the features such as strong adaptability.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of overall structure diagram of accurate planetary reduction box described in the utility model；
Fig. 2 is a kind of split-type structural representation of accurate planetary reduction box described in the utility model.
Accompanying drawing acceptance of the bid note is described below：1st, input flange, 2, input axle bed, 3, input shaft, 4, one-level sun gear, 5, the
Three deep groove ball bearings, 6, hole jump ring, 7, primary planet pinion, the 8, first short needle bearing, 9, one-level ring gear, 10, one-level
Planet axis, 11, secondary planetary gear, the 12, second short needle bearing, 13, needle bearing long, 14, secondary planet tooth inner sleeve,
15th, one-level fixed star top cover, 16, secondary planet axle, 17, two grades of fixed star top covers, 18, secondary planet frame, 19, round end flat key, 20, bone
Frame oil sealing, 21, output flange, the 22, first deep groove ball bearing, 23, O-ring seal, 24, two grades of ring gears, 25, two grades of fixed star teeth
Wheel, 26, secondary planet frame separation sleeve, the 27, second deep groove ball bearing, 28, primary planet carrier, 29, axle jump ring.
Specific embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore it only shows the composition relevant with the utility model.
A kind of accurate planetary reduction box as depicted in figs. 1 and 2, including casing, input shaft 3, the one-level being located in casing
Reducing gear and two reduction gear, casing include input flange 1, input axle bed 2 and output flange 21, primary speed-down mechanism
Including one-level sun gear 4, at least three primary planet pinions 7, primary planet carrier 28 and one-level ring gear 9, input shaft 3 with
One-level sun gear 4 is mutually fixedly connected, and primary planet pinion 7 is meshed with one-level sun gear 4 and one-level ring gear 9 respectively,
One-level fixed star top cover 15 and primary planet axle 10 are provided with primary planet carrier 28, the first short rolling is set with primary planet axle 10
Needle bearing 8, primary planet pinion 7 is arranged on the one of primary planet carrier 28 by the short needle bearing 8 of primary planet axle 10 and first
Side, tooth number Z=36 of primary planet pinion 7, modulus=1mm, pressure angle=20 degree, the facewidth=16mm, centre-to-centre spacing=
36.15mm；Tooth number Z=36 of one-level sun gear 4, modulus=1mm, pressure angle=20 degree, the facewidth=20mm, centre-to-centre spacing=
36.15mm；Tooth number Z=108 of one-level ring gear 9, modulus=1mm, pressure angle=20 degree, the facewidth=18.5mm, centre-to-centre spacing
=36.15mm；Two reduction gear includes two grades of sun gears 25, at least three secondary planetary gears 11, secondary planet framves 18
And two grades of ring gears 24, secondary planetary gear 11 is meshed with two grades of sun gears 25 and two grades of ring gears 24 respectively, one-level
Planet carrier 28 is mutually fixedly connected with two grades of sun gears 25, and secondary planet frame 18 is provided with two grades of fixed star top covers 17 and secondary planet
Axle 16, is set with the second short needle bearing 12 and needle bearing long 13 on secondary planet axle 16, secondary planet axle 16 is short with second
Secondary planet tooth inner sleeve 14 is provided between needle bearing 12 and needle bearing long 13, secondary planetary gear 11 passes through secondary planet
The short needle bearing 12 of axle 16 and second and needle bearing long 13 are arranged on the side of secondary planet frame 18, on secondary planet frame 18
The secondary planet frame separation sleeve 26 for isolating two grades of ring gears 24 and secondary planet frame 18 is equipped with, secondary planetary gear 11
Tooth number Z=28, modulus=1mm, pressure angle=20 degree, the facewidth=36mm, centre-to-centre spacing=40.28mm；Two grades of sun gears 25
Tooth number Z=54, modulus=1mm, pressure angle=20 degree, the facewidth=39mm, centre-to-centre spacing=40.28mm；Two grades of ring gears 24
Tooth number Z=108, modulus=1mm, pressure angle=20 degree, the facewidth=45.5mm, centre-to-centre spacing=40.28mm, one-level fixed star top cover
15 are located between one-level sun gear 4 and two grades of sun gears 25, and two grades of fixed star top covers 17 are located at two grades of sun gears 25 and two
Between level planet carrier 18, it is fastened by hexagon socket cap head screw between input flange 1 and input axle bed 2 and is fixedly connected, it is defeated
Enter axle bed 2,9, two grades of one-level ring gear to be fastened fixation by hexagon socket cap head screw between ring gear 24, output flange 21
Connection, is rotated connection between input shaft 3 and input axle bed 2 by the 3rd deep groove ball bearing 5, secondary planet frame 18 and exports method
Blue 21 are rotated connection by the first deep groove ball bearing 22, between 9, two grades of ring gears 24 of secondary planet frame 18 and one-level ring gear
Rotated connection by the second deep groove ball bearing 27, skeleton oil is provided between the port of output flange 21 and secondary planet frame 18
Envelope 20, O-ring seal is provided between output flange 21 and two grades of ring gears 24 and one-level ring gear 9 and two grades of ring gears 24
23, round end flat key 19 is provided with the output end of secondary planet frame 18, it is provided with for by the 3rd deep-groove ball on input axle bed 2
Bearing 5 is clamped on the hole jump ring 6 on input axle bed 2, is equipped with input shaft 3 for the 3rd deep groove ball bearing 5 to be clamped on
Axle jump ring 29 on input shaft 3.
A kind of operation principle of accurate planetary reduction box of the present utility model：When first order planetary mechanism is operated, in one-level
Gear ring 9 is maintained static, and one-level sun gear 4 transfers drive planetary gear rotation, one-level row certainly as input driving gear by it
Star gear 7 is engaged with one-level sun gear 4 and one-level ring gear 9 simultaneously, i.e., not only rotation but also revolved round the sun around one-level sun gear 4,
Drive primary planet carrier 28 to rotate by the primary planet axle 10 in the middle of it while revolution, form deceleration, and one-level row
Carrier 28 is output element, and extraneous Motor torque and rotating speed pass through primary planet mechanism, primary planet carrier 28 and two grades of perseverances
Star gear 25 connects synchronous rotary by interference, and rotating speed and moment of torsion are passed into secondary planet mechanism, when secondary planet mechanism operates,
Two grades of ring gears 24 are maintained static, and two grades of sun gears 25 are turned by it as input driving gear from drive planetary gear is transferred
Dynamic, secondary planetary gear 11 is engaged with two grades of sun gears 25 and two grades of ring gears 24 simultaneously, i.e. not only rotation but also around two grades of perseverances
Star gear 25 revolves round the sun, and drives secondary planet frame 18 to rotate by the secondary planet axle 16 in the middle of it while revolution, forms
Slow down, and secondary planet frame 18 is output element.The gearratio i=1+Zb/Za=1+108/54=3 of planetary mechanism.Assembling
During planetary mechanism, first coordinate planet axis, needle bearing, pad that an entirety is formed on planet carrier planetary gear, then will
The loading of this entirety is fixed in the middle of the ring gear on housing, and sun gear then is put into three planetary centres,
Complete the assembling of planetary mechanism.
The service condition and parameter configuration of a kind of accurate planetary reduction box of the present utility model：
1. reduction box teeth directional gap：15 arcs point
2. belt speed：250 revs/min
3. power of motor：4.5 kilowatts
4. reduction box input speed：3000 revs/min
5. rated output moment of torsion=(9550 × 4.5)/250=171.9N.M
In the case of parameter more than, with reference to principle DIN 3990Method B (YF Method C) designs, accurate planet
The arc of reduction box GA150-212 teeth directionals gap 15 point, is adapted for use with the coaster of automatic packaging machine, and moment starts, quick to come and go
Service condition, can be accurate to up to specified location.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (10)
1. a kind of accurate planetary reduction box, it is characterized in that：Including casing, input shaft (3), the primary speed-down mechanism being located in casing
And two reduction gear, described casing includes input flange (1), input axle bed (2) and output flange (21),
Described primary speed-down mechanism includes one-level sun gear (4), at least three primary planet pinions (7), primary planet carrier
(28) and one-level ring gear (9), input shaft (3) is mutually fixedly connected with one-level sun gear (4), primary planet pinion (7) point
It is not meshed with one-level sun gear (4) and one-level ring gear (9), one-level fixed star top cover is provided with primary planet carrier (28)
(15) the first short needle bearing (8), primary planet pinion (7) and primary planet axle (10), are set with primary planet axle (10)
By primary planet axle (10) and the first short needle bearing (8) installed in primary planet carrier (28) side；
Described two reduction gear includes two grades of sun gears (25), at least three secondary planetary gears (11), secondary planets
Frame (18) and two grades of ring gears (24), secondary planetary gear (11) respectively with two grades of sun gears (25) and two grades of ring gears
(24) it is meshed, primary planet carrier (28) is mutually fixedly connected with two grades of sun gears (25), and secondary planet frame (18) is provided with two
Level fixed star top cover (17) and secondary planet axle (16), are set with the second short needle bearing (12) and rolling long on secondary planet axle (16)
Needle bearing (13), secondary planetary gear (11) is by secondary planet axle (16) and the second short needle bearing (12) and needle roller axle long
The side of (13) installed in secondary planet frame (18) is held,
Described one-level fixed star top cover (15) between one-level sun gear (4) and two grades of sun gears (25), described two
Level fixed star top cover (17) between two grades of sun gears (25) and secondary planet frame (18), described input flange (1) with it is defeated
To enter be fastened by hexagon socket cap head screw between axle bed (2) and be fixedly connected, input axle bed (2), one-level ring gear (9), two
It is fastened by hexagon socket cap head screw between level ring gear (24), output flange (21) and is fixedly connected.
2. a kind of accurate planetary reduction box according to claim 1, it is characterized in that:Described secondary planet frame (18) with it is defeated
Go out between flange (21) and be rotatably connected to the first deep groove ball bearing (22).
3. a kind of accurate planetary reduction box according to claim 1, it is characterized in that:The port of described output flange (21)
Outside framework oil seal (20), described output flange (21) and two grades of ring gears (24) and one are provided between place and secondary planet frame (18)
O-ring seal (23) is provided between level ring gear (9) and two grades of ring gears (24).
4. a kind of accurate planetary reduction box according to claim 1, it is characterized in that:Described secondary planet frame (18) it is defeated
Go out on end and be provided with round end flat key (19).
5. a kind of accurate planetary reduction box according to claim 1, it is characterized in that:Described secondary planet frame (18) and
Level ring gear (9), the second deep groove ball bearing (27) is rotatably connected between two grades of ring gears (24), described input shaft (3) with
The 3rd deep groove ball bearing (5) is rotatably connected between input axle bed (2).
6. a kind of accurate planetary reduction box according to claim 1, it is characterized in that:Set on described input axle bed (2)
Have for the hole being clamped on the 3rd deep groove ball bearing (5) in input axle bed (2) with jump ring (6), covered on described input shaft (3)
It is equipped with for the axle being clamped on the 3rd deep groove ball bearing (5) on input shaft (3) with jump ring (29).
7. a kind of accurate planetary reduction box according to claim 1, it is characterized in that:Described secondary planet axle (16) and the
Secondary planet tooth inner sleeve (14) is provided between two short needle bearings (12) and needle bearing long (13).
8. a kind of accurate planetary reduction box according to claim 1, it is characterized in that:Covered on described secondary planet frame (18)
It is equipped with secondary planet frame separation sleeve (26) for isolating two grades of ring gears (24) and secondary planet frame (18).
9. a kind of accurate planetary reduction box according to claim 1, it is characterized in that:Described primary planet pinion (7)
Tooth number Z=36, modulus=1mm, pressure angle=20 degree, the facewidth=16mm, centre-to-centre spacing=36.15mm；One-level sun gear (4)
Tooth number Z=36, modulus=1mm, pressure angle=20 degree, the facewidth=20mm, centre-to-centre spacing=36.15mm；One-level ring gear (9)
Tooth number Z=108, modulus=1mm, pressure angle=20 degree, the facewidth=18.5mm, centre-to-centre spacing=36.15mm.
10. a kind of accurate planetary reduction box according to claim 1, it is characterized in that:Described secondary planetary gear (11)
Tooth number Z=28, modulus=1mm, pressure angle=20 degree, the facewidth=36mm, centre-to-centre spacing=40.28mm；Two grades of sun gears
(25) tooth number Z=54, modulus=1mm, pressure angle=20 degree, the facewidth=39mm, centre-to-centre spacing=40.28mm；Two grades of internal tooths
Enclose tooth number Z=108 of (24), modulus=1mm, pressure angle=20 degree, the facewidth=45.5mm, centre-to-centre spacing=40.28mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270276.2U CN206190822U (en) | 2016-11-21 | 2016-11-21 | Accurate planet reducing gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270276.2U CN206190822U (en) | 2016-11-21 | 2016-11-21 | Accurate planet reducing gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190822U true CN206190822U (en) | 2017-05-24 |
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ID=58723889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621270276.2U Active CN206190822U (en) | 2016-11-21 | 2016-11-21 | Accurate planet reducing gear box |
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| Country | Link |
|---|---|
| CN (1) | CN206190822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425257A (en) * | 2019-07-30 | 2019-11-08 | 江苏胜牌科技有限公司 | A kind of Novel gearbox output end |
-
2016
- 2016-11-21 CN CN201621270276.2U patent/CN206190822U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425257A (en) * | 2019-07-30 | 2019-11-08 | 江苏胜牌科技有限公司 | A kind of Novel gearbox output end |
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