CN207005210U - High-precision planet-gear speed reducer - Google Patents
High-precision planet-gear speed reducer Download PDFInfo
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- CN207005210U CN207005210U CN201720881189.9U CN201720881189U CN207005210U CN 207005210 U CN207005210 U CN 207005210U CN 201720881189 U CN201720881189 U CN 201720881189U CN 207005210 U CN207005210 U CN 207005210U
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- speed reducer
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Abstract
The utility model discloses a kind of high-precision planet-gear speed reducer, it is intended to solves that planet-gear speed reducer structure is not compact enough, and smoothness of operation is bad, noise is big, and assembly precision is not high, is unfavorable for the deficiency exported in high precision.The utility model includes the casing being sequentially connected, bonnet, flange, planet carrier and shaft coupling are installed in casing, planet carrier front end is provided with output shaft, casing is stretched out in output shaft front end, planet carrier rear end is provided with installation bulge loop, on output shaft fore bearing is set with close to planet rack position, rear bearing is closely set with installation bulge loop outer wall, fore bearing and rear bearing are closely set with cabinet wall, cabinet wall is provided with internal gear, several planetary gears are uniformly installed in planet carrier, shaft coupling front end is connected with sun gear, the equal engaged transmission of planetary gear is between internal gear and sun gear, installation positioning bearing between shaft coupling and bonnet.
Description
Technical field
A kind of reductor is the utility model is related to, more specifically, it relates to a kind of high-precision planet-gear speed reducer.
Background technology
Planet-gear speed reducer is also known as planetary reducer, servo deceleration machine.In reductor family, planetary reducer with
Its small volume, many advantages, such as transmission efficiency, reduction range is wide, and precision is high, and it is widely used in servomotor, stepping electricity
In the transmission systems such as machine, direct current generator.It is exactly that being mainly used to, which reduces rotating speed, increases on the premise of precision drive is ensured that it, which is acted on,
High pulling torque and reduction load.But many planet-gear speed reducer structures used at present are not compact enough, smoothness of operation is bad,
Noise is big, and assembly precision is not high, is unfavorable for high-precision output.
Utility model content
The utility model overcomes that planet-gear speed reducer structure is not compact enough, and smoothness of operation is bad, and noise is big, assembling
Precision is not high, is unfavorable for the deficiency exported in high precision, there is provided a kind of high-precision planet-gear speed reducer, it compact-sized,
Smoothness of operation is good, and noise is low, and assembly precision is high, is advantageous to high-precision output.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：A kind of high-precision planetary gear reduction
Fast machine, including casing, bonnet, the flange being sequentially connected, planet carrier and shaft coupling are provided with casing, and planet carrier front end is provided with defeated
Casing is stretched out in shaft, output shaft front end, and planet carrier rear end, which is provided with, installs bulge loop, on output shaft before planet rack position is set with
Bearing, install and be closely set with rear bearing on bulge loop outer wall, fore bearing and rear bearing are closely set with cabinet wall, in casing
Wall is provided with internal gear, and several planetary gears are uniformly installed in planet carrier, and shaft coupling front end is connected with sun gear, and planetary gear is nibbled
Transmission is closed between internal gear and sun gear, installation positioning bearing between shaft coupling and bonnet.
The casing, bonnet, the flange that are sequentially connected constitute the main body of reductor, and each parts are arranged on body interior,
It is compact-sized.The front and rear sides of planet carrier carry out positioning support by fore bearing and rear bearing respectively, it is ensured that planet carrier it is steady
Reliable operating, noise are low.Assembly technology ensures the alignment of all parts by unified benchmark assembling.When reductor is run, move
Power input shaft is connected with shaft coupling, drives shaft coupling to rotate, and the sun gear on shaft coupling, which rotates, drives planetary gear to rotate, planetary gear
Being rotated between internal gear and sun gear drives planet carrier to rotate, and is outputed power from output shaft.This high-precision planetary gear
Speed reducer structure is compact, and smoothness of operation is good, and noise is low, and assembly precision is high, is advantageous to high-precision output.
Preferably, the front side of fore bearing is provided with the mounting groove of annular on cabinet wall, lock ring is installed in mounting groove,
Lock ring is connected on fore bearing.Lock ring has carried out good positioning to fore bearing, it is ensured that reductor steadily reliably operates.
Preferably, being provided with Front oil seal between casing front inner wall and output shaft, Front oil seal outer wall is provided with triangle
Position limiting convex ring, on cabinet wall and position limiting convex ring is correspondingly provided with stopper slot, and position limiting convex ring adaptation is arranged in stopper slot.Preceding oil
Envelope is advantageous to the sealing of lubricating oil, and the setting of position limiting convex ring makes the installation of Front oil seal relatively reliable, prevents Front oil seal disengaging
The phenomenon of cabinet wall.
Preferably, isolation boss is provided between the up carrier of output shaft and fore bearing.Isolation boss makes planet carrier with before
Isolate between bearing, prevent the phenomenon for occurring with fore bearing interference when planet carrier operates.
Preferably, shaft coupling front end is connected with power transmission shaft, sun gear is arranged on power transmission shaft front end.This structure setting is just
In the mounting arrangements of sun gear.
Preferably, planet wheel spindle is connected in planet carrier to rotating shaft, rotating shaft both ends are connected with.Planetary gear turns in rotating shaft
Dynamic, smooth running is reliable.
Preferably, Rear oil seal is installed between locating shaft brought forward side shaft coupling and bonnet.Rear oil seal is advantageous to lubricating oil
Sealing.
Compared with prior art, the beneficial effects of the utility model are：High-precision planet-gear speed reducer is compact-sized, fortune
It is good to turn stationarity, noise is low, and assembly precision is high, is advantageous to high-precision output.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model；
In figure：1st, casing, 2, bonnet, 3, flange, 4, have a planet carrier, 5, shaft coupling, 6, output shaft, 7, installation bulge loop, 8,
Fore bearing, 9, rear bearing, 10, internal gear, 11, planetary gear, 12, sun gear, 13, positioning bearing, 14, mounting groove, 15, locking
Ring, 16, Front oil seal, 17, position limiting convex ring, 18, isolation boss, 19, power transmission shaft, 20, rotating shaft, 21, Rear oil seal.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made further specifically to retouch
State：
Embodiment：A kind of high-precision planet-gear speed reducer（Referring to accompanying drawing 1）, including be sequentially connected casing 1, bonnet 2,
Flange 3, planet carrier 4 and shaft coupling 5 being installed in casing, planet carrier front end is provided with output shaft 6, and casing is stretched out in output shaft front end,
Planet carrier rear end is provided with installation bulge loop 7, and close planet rack position is set with fore bearing 8 on output shaft, and installation bulge loop outer wall tightens
Close to be set with rear bearing 9, fore bearing and rear bearing are closely set with cabinet wall, and cabinet wall is provided with internal gear 10, OK
Uniformly three planetary gears 11 of installation, shaft coupling front end are connected with sun gear 12 in carrier, and the equal engaged transmission of planetary gear is in internal gear
Between sun gear, installation positioning bearing 13 between shaft coupling and bonnet.The front side of fore bearing is provided with annular on cabinet wall
Mounting groove 14, lock ring 15 is installed in mounting groove, lock ring is connected on fore bearing.Between casing front inner wall and output shaft
Front oil seal 16 is installed, Front oil seal outer wall is provided with the position limiting convex ring 17 of triangle, corresponding with position limiting convex ring on cabinet wall to set
Limited location groove, position limiting convex ring adaptation are arranged in stopper slot.Isolation boss 18 is provided between the up carrier of output shaft and fore bearing.
Shaft coupling front end is connected with power transmission shaft 19, and sun gear is arranged on power transmission shaft front end.Planet wheel spindle is to being connected with rotating shaft 20, rotating shaft two
In end connection planet carrier.Rear oil seal 21 is installed between locating shaft brought forward side shaft coupling and bonnet.
The casing, bonnet, the flange that are sequentially connected constitute the main body of reductor, and each parts are arranged on body interior,
It is compact-sized.The front and rear sides of planet carrier carry out positioning support by fore bearing and rear bearing respectively, it is ensured that planet carrier it is steady
Reliable operating, noise are low.Assembly technology ensures the alignment of all parts by unified benchmark assembling.When reductor is run, move
Power input shaft is connected with shaft coupling, drives shaft coupling to rotate, and the sun gear on shaft coupling, which rotates, drives planetary gear to rotate, planetary gear
Being rotated between internal gear and sun gear drives planet carrier to rotate, and is outputed power from output shaft.
Embodiment described above is a kind of preferable scheme of the present utility model, not the utility model is made any
Formal limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (7)
1. a kind of high-precision planet-gear speed reducer, it is characterized in that, including casing, bonnet, the flange being sequentially connected, casing is interior to pacify
Equipped with planet carrier and shaft coupling, planet carrier front end is provided with output shaft, and casing is stretched out in output shaft front end, and planet carrier rear end is provided with installation
Bulge loop, fore bearing is set with close to planet rack position on output shaft, install and be closely set with rear bearing, fore bearing on bulge loop outer wall
Closely it is set with cabinet wall with rear bearing, cabinet wall is provided with internal gear, and several planets are uniformly installed in planet carrier
Wheel, shaft coupling front end is connected with sun gear, the equal engaged transmission of planetary gear between internal gear and sun gear, shaft coupling and bonnet it
Between installation positioning bearing.
2. high-precision planet-gear speed reducer according to claim 1, it is characterized in that, the front side of fore bearing on cabinet wall
Provided with annular mounting groove, lock ring is installed in mounting groove, lock ring is connected on fore bearing.
3. high-precision planet-gear speed reducer according to claim 1, it is characterized in that, casing front inner wall and output shaft it
Between Front oil seal is installed, Front oil seal outer wall is provided with the position limiting convex ring of triangle, is correspondingly provided with cabinet wall with position limiting convex ring
Stopper slot, position limiting convex ring adaptation are arranged in stopper slot.
4. high-precision planet-gear speed reducer according to claim 1, it is characterized in that, the up carrier of output shaft and fore bearing
Between be provided with isolation boss.
5. the high-precision planet-gear speed reducer according to Claims 1-4 any one, it is characterized in that, shaft coupling front end
Power transmission shaft is connected with, sun gear is arranged on power transmission shaft front end.
6. the high-precision planet-gear speed reducer according to Claims 1-4 any one, it is characterized in that, planet wheel spindle to
Rotating shaft is connected with, rotating shaft both ends are connected in planet carrier.
7. the high-precision planet-gear speed reducer according to Claims 1-4 any one, it is characterized in that, locating shaft brought forward
Rear oil seal is installed between side shaft coupling and bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881189.9U CN207005210U (en) | 2017-07-19 | 2017-07-19 | High-precision planet-gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881189.9U CN207005210U (en) | 2017-07-19 | 2017-07-19 | High-precision planet-gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207005210U true CN207005210U (en) | 2018-02-13 |
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ID=61455191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720881189.9U Active CN207005210U (en) | 2017-07-19 | 2017-07-19 | High-precision planet-gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207005210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753298A (en) * | 2023-08-14 | 2023-09-15 | 江苏速豹动力科技有限公司 | Planet row limiting device and equipment using same |
-
2017
- 2017-07-19 CN CN201720881189.9U patent/CN207005210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753298A (en) * | 2023-08-14 | 2023-09-15 | 江苏速豹动力科技有限公司 | Planet row limiting device and equipment using same |
| CN116753298B (en) * | 2023-08-14 | 2023-11-14 | 江苏速豹动力科技有限公司 | Planet row limiting device and equipment using same |
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