CN207005209U - Planet-gear speed reducer planet wheel mounting structure - Google Patents
Planet-gear speed reducer planet wheel mounting structure Download PDFInfo
- Publication number
- CN207005209U CN207005209U CN201720880643.9U CN201720880643U CN207005209U CN 207005209 U CN207005209 U CN 207005209U CN 201720880643 U CN201720880643 U CN 201720880643U CN 207005209 U CN207005209 U CN 207005209U
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- planet
- planetary gear
- gear
- speed reducer
- oil guide
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Abstract
The utility model discloses a kind of planet-gear speed reducer planet wheel mounting structure, it is intended to solves that lubricating oil is bad to the lubrication and cooling effect of planetary gear in planet-gear speed reducer, shortens the deficiency of the service life of planetary gear.The utility model includes planet carrier, the uniform some planetary gears installed in planet carrier, the end face oil guide groove of some arcs is equipped with planetary gear both ends of the surface, end face oil guide groove both ends extend respectively into the inner and outer wall of planetary gear, planetary gear inwall is provided with spiral helicine inwall oil guide groove, and the both ends of inwall oil guide groove extend respectively into the both ends of the surface of planetary gear.Lubricating oil extends the service life of planetary gear to the lubrication and good cooling results of planetary gear.
Description
Technical field
A kind of planet-gear speed reducer is the utility model is related to, more specifically, it relates to a kind of planet-gear speed reducer
Planet wheel mounting structure.
Background technology
Being rotated in planet-gear speed reducer running by sun gear drives planetary gear to rotate, and makes planetary gear and internal gear
Engaged transmission, so as to realize deceleration.Planetary gear is during continuous engaged transmission, due to rubbing action, it is necessary to carry out
Lubrication and cooling, with reduce abrasion, the service life of elongated component, but many planet-gear speed reducers used at present by
In the limitation that oil duct is set, lubricating oil is bad to the lubrication and cooling effect of planetary gear, shortens the service life of planetary gear.
Utility model content
It is bad to the lubrication and cooling effect of planetary gear that the utility model overcomes lubricating oil in planet-gear speed reducer, contracting
The short deficiency of the service life of planetary gear, there is provided a kind of planet-gear speed reducer planet wheel mounting structure, lubricating oil is to row
The lubrication and good cooling results of star-wheel, extend the service life of planetary gear.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：A kind of planet-gear speed reducer row
Some planetary gears on star-wheel mounting structure, including planet carrier, uniform installation planet carrier, if being equipped with planetary gear both ends of the surface
The end face oil guide groove of dry bar arc, end face oil guide groove both ends extend respectively into the inner and outer wall of planetary gear, on planetary gear inwall
Provided with spiral helicine inwall oil guide groove, the both ends of inwall oil guide groove extend respectively into the both ends of the surface of planetary gear.
Lubricating oil is flowed by end face oil guide groove and inwall oil guide groove in planetary gear rotation process, and planetary gear is carried out
Lubrication and cooling.End face oil guide groove arc is set, and is advantageous to lubricating oil and is tangentially thrown away on engaging tooth, engaging tooth is moistened
Sliding, cooling.Inwall oil guide groove is set in the shape of a spiral, and with the rotation of planetary gear, lubricating oil flow is more smooth, is advantageous to improve
Lubrication and cooling effect.Lubricating oil extends the service life of planetary gear to the lubrication and good cooling results of planetary gear.
Preferably, corresponding with planetary gear on planet carrier and being provided with some bearing pins, planetary gear may be rotatably mounted at
On bearing pin.Needle bearing is installed between planetary gear and bearing pin.Planetary gear is arranged on bearing pin, and is pacified between planetary gear and bearing pin
Needle bearing is filled, makes the operating of planetary gear more steady reliable, noise is low, transmission efficiency.
Preferably, each end face of planetary gear is respectively provided with two end face being centrosymmetrically arranged oil guide grooves.End face oil guide groove
It is reasonable to set, the lubrication and cooling effect being optimal.
Preferably, being provided with sun gear between planetary gear, all planetary gears connect with sun gear engaged transmission, sun gear
Connect power transmission shaft.Sun gear is arranged on power transmission shaft, is easily installed arrangement, and sun gear, which rotates, drives planetary gear to rotate, planetary gear and
Internal gear engagement on cabinet wall, slows down so as to realize, operates steadily reliable.
Preferably, corresponding with planetary gear on planet carrier and being provided with several avoidance windows, planetary gear stretches out avoidance respectively
Window.The arrangement of planetary gear is easy in the setting for avoiding window, prevents from interfering phenomenon with planet carrier in planetary gear rotation process.
Preferably, be provided with installation cavity in planet carrier, planet carrier rear end is provided with the opening connected with installation cavity, in installation cavity
Wall is provided with and the mounting hole of bearing pin adaptation, and bearing pin both ends are inserted into mounting hole.Bearing pin is arranged in mounting hole, and installation is steady
Reliably.
Compared with prior art, the beneficial effects of the utility model are：Lubrication and cooling effect of the lubricating oil to planetary gear
It is good, extend the service life of planetary gear.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model；
Fig. 2 is the end view of planetary gear of the present utility model；
Fig. 3 is the side view of planetary gear of the present utility model；
In figure：1st, planet carrier, 2, planetary gear, 3, end face oil guide groove, 4, inwall oil guide groove, 5, bearing pin, 6, needle bearing, 7,
Sun gear, 8, power transmission shaft, 9, installation cavity, 10, mounting hole.
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 planet-gear speed reducer planet wheel mounting structure（Referring to accompanying drawing 1 to 3）, including planet carrier 1,
Cloth installs three planetary gears 2 in planet carrier, and the end face oil guide groove 3 of some arcs, end are equipped with planetary gear both ends of the surface
Face oil guide groove both ends extend respectively into the inner and outer wall of planetary gear, and planetary gear inwall is provided with spiral helicine inwall oil guide groove 4,
The both ends of inwall oil guide groove extend respectively into the both ends of the surface of planetary gear.The each end face of planetary gear is respectively provided with two and is centrosymmetrically arranged
End face oil guide groove.Correspond and three bearing pins 5 are installed with planetary gear on planet carrier, planetary gear may be rotatably mounted at bearing pin
On.Needle bearing 6 is installed between planetary gear and bearing pin.Sun gear 7 is installed, all planetary gears are and the sun between planetary gear
Take turns engaged transmission, sun gear connection power transmission shaft 8.Correspond with planetary gear on planet carrier and be provided with three avoidance windows, planetary gear point
Window Shen Chu not avoided.Installation cavity 9 is provided with planet carrier, planet carrier rear end is provided with the opening connected with installation cavity, installs cavity wall
The mounting hole 10 with bearing pin adaptation is provided with, bearing pin both ends are inserted into mounting hole.
Lubricating oil is flowed by end face oil guide groove and inwall oil guide groove in planetary gear rotation process, and planetary gear is carried out
Lubrication and cooling.End face oil guide groove arc is set, and is advantageous to lubricating oil and is tangentially thrown away on engaging tooth, engaging tooth is moistened
Sliding, cooling.Inwall oil guide groove is set in the shape of a spiral, and with the rotation of planetary gear, lubricating oil flow is more smooth, is advantageous to improve
Lubrication and cooling effect.Lubricating oil extends the service life of planetary gear to the lubrication and good cooling results of planetary gear.
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 planet-gear speed reducer planet wheel mounting structure, it is characterized in that, including in planet carrier, uniform installation planet carrier
Some planetary gears, the end face oil guide groove of some arcs is equipped with planetary gear both ends of the surface, end face oil guide groove both ends are prolonged respectively
The inner and outer wall of planetary gear is reached, planetary gear inwall is provided with spiral helicine inwall oil guide groove, the both ends point of inwall oil guide groove
The both ends of the surface of planetary gear are not extended to.
2. planet-gear speed reducer planet wheel mounting structure according to claim 1, it is characterized in that, on planet carrier and planet
Wheel one-to-one corresponding is provided with some bearing pins, and planetary gear may be rotatably mounted on bearing pin.
3. planet-gear speed reducer planet wheel mounting structure according to claim 2, it is characterized in that, planetary gear and bearing pin it
Between needle bearing is installed.
4. planet-gear speed reducer planet wheel mounting structure according to claim 1, it is characterized in that, each end face of planetary gear
It is respectively provided with two end face being centrosymmetrically arranged oil guide grooves.
5. the planet-gear speed reducer planet wheel mounting structure according to Claims 1-4 any one, it is characterized in that, OK
Sun gear is installed, all planetary gears connect power transmission shaft with sun gear engaged transmission, sun gear between star-wheel.
6. the planet-gear speed reducer planet wheel mounting structure according to Claims 1-4 any one, it is characterized in that, OK
Correspond with planetary gear in carrier and be provided with several avoidance windows, planetary gear stretches out avoidance window respectively.
7. the planet-gear speed reducer planet wheel mounting structure according to Claims 2 or 3, it is characterized in that, set in planet carrier
There is installation cavity, planet carrier rear end is provided with the opening connected with installation cavity, and installation cavity wall is provided with and the mounting hole of bearing pin adaptation,
Bearing pin both ends are inserted into mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720880643.9U CN207005209U (en) | 2017-07-19 | 2017-07-19 | Planet-gear speed reducer planet wheel mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720880643.9U CN207005209U (en) | 2017-07-19 | 2017-07-19 | Planet-gear speed reducer planet wheel mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207005209U true CN207005209U (en) | 2018-02-13 |
Family
ID=61454233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720880643.9U Active CN207005209U (en) | 2017-07-19 | 2017-07-19 | Planet-gear speed reducer planet wheel mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207005209U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392926A (en) * | 2020-12-08 | 2021-02-23 | 徐工集团工程机械股份有限公司 | Multi-stage planet carrier, multi-stage planet combined structure and multi-gear planet mechanism |
| CN113309823A (en) * | 2020-02-26 | 2021-08-27 | 荣耀终端有限公司 | Wheel train, reduction gearbox and electronic equipment |
-
2017
- 2017-07-19 CN CN201720880643.9U patent/CN207005209U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309823A (en) * | 2020-02-26 | 2021-08-27 | 荣耀终端有限公司 | Wheel train, reduction gearbox and electronic equipment |
| CN112392926A (en) * | 2020-12-08 | 2021-02-23 | 徐工集团工程机械股份有限公司 | Multi-stage planet carrier, multi-stage planet combined structure and multi-gear planet mechanism |
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