CN207268302U - The lubricating structure and gear-box of nuclear power circulation - Google Patents
The lubricating structure and gear-box of nuclear power circulation Download PDFInfo
- Publication number
- CN207268302U CN207268302U CN201721060697.7U CN201721060697U CN207268302U CN 207268302 U CN207268302 U CN 207268302U CN 201721060697 U CN201721060697 U CN 201721060697U CN 207268302 U CN207268302 U CN 207268302U
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- China
- Prior art keywords
- gear
- short axle
- oil outlet
- low speed
- nuclear power
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Abstract
This application discloses a kind of lubricating structure and gear-box of nuclear power circulation, wherein, gear-box includes：Low speed short axle above ring gear and locating snap ring to be lubricated, low speed short axle is interior to be equipped with pumping cavity；The oil outlet of low speed short axle outer surface is opened in, oil outlet is connected with pumping cavity, for the lubricating oil in pumping cavity to be led to ring gear and stop ring surface.The lubricating structure and gear-box of nuclear power circulation given by the utility model, in the case where not increasing any lubricating utensil and not changing lubricant medium, by in gear-box low speed short axle surface open up the oil outlet connected with internal pumping cavity, partial high pressure lubricating oil in pumping cavity is drawn by oil outlet, and it is sprayed to ring gear and stop ring surface, realize continuous lubrication, the metallic particles that flank of tooth fretting wear produces is taken away in time, avoid tooth surface damage from aggravating, greatly extend the service life of gear-box.
Description
Technical field
This application involves gearbox lubrication, more particularly to a kind of lubricating structure and gear-box of nuclear power circulation.
Background technology
In circulation in three circuit of nuclear power station, engaged between gear-box ring gear and fixed gear ring (locating snap ring)
When, its meshing point there's almost no abrasion without relative motion, thus generally select the lubricating system of nature spray.Pass through oil
Pump is with fixation pressure and frequency spray lubrication to the flank of tooth.Situation of the lubricating system without any damage between the intermeshing flank of tooth
Under can play protection and lubricating action, but, due to the presence of engagement force between the flank of tooth, eat inevitably to go out between face under equipment operating for a long time
Existing fretting wear.Abrasion can produce small metallic particles early period, and the lubricating system sprayed naturally causes the profit on the flank of tooth
Lubricating oil flowing does not continue, and can not take away metallic particles in time, and the metallic particles for remaining in the flank of tooth can be further exacerbated by between the flank of tooth
Metal peeling and pit so that the abrasion on surface drastically accelerates at flank engagement, seriously affects the service life of equipment.
The content of the invention
The utility model provides a kind of lubricating structure and gear-box of nuclear power circulation, it is intended to solves existing gear
The problem of fretting wear aggravates between intermeshing internal gear and locating snap ring inside case.
A kind of lubricating structure of nuclear power circulation, including：
Low speed short axle, the low speed short axle are located at ring gear to be lubricated with above locating snap ring, being set in the low speed short axle
There is pumping cavity, the low speed short axle is rotated relative to the locating snap ring, and drives the ring gear to be engaged with the locating snap ring；
Oil outlet, the oil outlet are opened in the low speed short axle outer surface, and the oil outlet is connected with the pumping cavity,
For the lubricating oil in the pumping cavity to be led to the ring gear and the stop ring surface.
The lubricating structure, wherein, described pumping cavity one end is connected with the oil outlet, and the other end and the low speed are short
Axis internal lubrication passage connects.
The lubricating structure of the nuclear power circulation, wherein, the low speed short axle surface is equipped with and the pumping cavity
The pouring orifice of connection.
The lubricating structure of the nuclear power circulation, wherein, the oil outlet is in the low speed short axle circumferential surface
Set at two.
The lubricating structure of the nuclear power circulation, wherein, oil pressure is 2bar in the pumping cavity.
The lubricating structure of the nuclear power circulation, wherein, a diameter of 1mm of oil outlet.
The lubricating structure of the nuclear power circulation, wherein, the oil outlet is radially opened up along the low speed short axle.
The lubricating structure of the nuclear power circulation, wherein, the oil outlet obliquely, relatively described low speed short axle
Radially open up at an angle.
The lubricating structure of the nuclear power circulation, wherein, the oil outlet is in radially 30 ° with the low speed short axle
Angle.
The lubricating structure of the nuclear power circulation, wherein, the locating snap ring is located at the ring gear engagement place
The locating snap ring inner wall bottom.
The lubricating structure of the nuclear power circulation, wherein, locating snap ring inner wall described in the oil outlet face opens up.
A kind of gear-box, the gear-box include the lubricating structure of nuclear power circulation described above.
The lubricating structure and gear-box of nuclear power circulation given by the utility model, by low in gear-box
Fast short axle surface opens up the oil outlet connected with internal pumping cavity, and the partial high pressure lubricating oil in pumping cavity is drawn by oil outlet
Go out, and be sprayed to ring gear and stop ring surface, realize continuous lubrication, the metallic particles band in time producing flank of tooth fretting wear
Walk, avoid tooth surface damage from aggravating, greatly extend the service life of gear-box.
Brief description of the drawings
Fig. 1 is the position relationship schematic diagram of low speed short axle and locating snap ring in the utility model embodiment；
Fig. 2 is the structure diagram of low speed short axle in the utility model embodiment；
Fig. 3 is the partial enlarged view of Fig. 2；
Fig. 4 is the structure diagram of low speed short axle in another embodiment of the utility model；
Fig. 5 is the structure diagram of low speed short axle in another embodiment of the utility model.
Embodiment
The application is described in further detail below by embodiment combination attached drawing.
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model
Limitation.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for
Described easy to description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ",
" second " is only used for description purpose, and it is not intended that indicating or implying relative importance or imply the technology indicated by indicating
The quantity of feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly include one or more
The feature.In the description of the utility model, " multiple " are meant that two or more, unless otherwise clearly specific
Limit.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection.Can mechanically connect or be electrically connected.It can be directly connected, can also be indirectly connected by intermediary,
It can be the interaction relationship of connection inside two elements or two elements.For those of ordinary skill in the art
Speech, can understand concrete meaning of the above-mentioned term in the utility model as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature directly over second feature and oblique upper, or only
Represent that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the utility model.For
The disclosure of simplified the utility model, is hereinafter described the component and setting of specific examples.Certainly, they are only and show
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition be for purposes of simplicity and clarity, itself do not indicate discussed various embodiments and/
Or the relation between setting.In addition, various specific techniques and the example of material that the utility model provides, but this area
Those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
The gear-box that the present embodiment is provided, as shown in Figures 1 and 3, including is arranged at the low speed short axle inside gear-box
1, ring gear 11 and locating snap ring 12 positioned at the lower section of low speed short axle 1, wherein, low speed short axle 1 passes through planet and 11 fixed of ring gear
Fixed connection, ring gear 11 are meshed with locating snap ring 12, and locating snap ring 12 is fixed on gear case body.Low speed short axle 1 is internally provided with
Pumping cavity 2,1 surface of low speed short axle offer the oil outlet 3 connected with pumping cavity 2,3 face locating snap ring of oil outlet, 12 inner wall.Such as
Shown in Fig. 3, the surface that low speed short axle 1 is located at the top of pumping cavity 2 is equipped with the pouring orifice 4 connected with pumping cavity 2, passes through pouring orifice 4
Lubricating oil is injected into pumping cavity 2, direction flows into sub- oil pocket 2 lubricating oil as shown by the arrows in Figure 3.Wherein, in pumping cavity 2
Oil pressure is 2bar, and 3 internal diameter of oil outlet is 1mm.
In the present embodiment, oil outlet 3 is opened up along the radial direction of low speed short axle 1, and the extreme pressure lubricant in pumping cavity 2 largely flows
Enter its internal lubrication channel, small part is sprayed to locating snap ring inner wall by oil outlet 3.12 bottom interior surface of locating snap ring sets wheel
Tooth, thus, locating snap ring 12 is located at 12 inner wall bottom of locating snap ring with 11 engagement place of ring gear.Oil outlet 3 spray lubricating oil along
12 inner wall of locating snap ring flows downwardly into the flank of tooth of locating snap ring 12 and ring gear 11, the remaining metallic particles of the flank of tooth is washed away, finally
Metal impurities are swept along to be collected by the oil draining system of gear-box.
In the present embodiment, oil outlet 3 is opened up at one on the surface of low speed short axle 1, fuel-displaced in the application other embodiment
Hole 3 can also be opened up at two along the circumferential surface of low speed short axle 1, or many places.As described in Figure 4, offered on 1 surface of low speed short axle
First oil outlet 31, the second oil outlet 32, the first oil outlet 31 and the second oil outlet are offered in 1 surface opposite side of low speed short axle
32 are radially centrosymmetric distribution in low speed short axle 1.Oil drop is so added out, while make it that the spray of lubricating oil is more equal
It is even, more effectively remove the impurity between the flank of tooth.
Oil outlet 3 in the present embodiment is opened up along the radial direction of low speed short axle 1, in the application other embodiment, oil outlet 3
It can also radially be opened up at an angle obliquely with low speed short axle 1, for example, in another embodiment of the application, such as Fig. 5 institutes
Show, oil outlet 3 opens up obliquely with 1 radial direction of low speed short axle in 30 ° of angles.The angle that oil outlet 3 opens up obliquely is bigger, spray
The lubricants capacity gone out is more, thus, oil outlet 3 can be arranged to different angles of inclination according to different lubrication needs.
The lubricating structure and gear-box of nuclear power circulation given by the utility model, by low in gear-box
Fast short axle surface opens up the oil outlet connected with internal pumping cavity, and the partial high pressure lubricating oil in pumping cavity is drawn by oil outlet
Go out, and be sprayed to ring gear and stop ring surface, realize continuous lubrication, the metallic particles band in time producing flank of tooth fretting wear
Walk, avoid tooth surface damage from aggravating, greatly extend the service life of gear-box.In addition, the gear-box given by the application,
In the case of not increasing any lubricating utensil and not changing lubricant medium, the lubricant effect inside gear-box is improved, greatly
The cost for reducing equipment O＆M.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means to combine embodiment or example describe it is specific
Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification
In, schematic expression of the above terms is not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that the embodiment of the utility model, those of ordinary skill in the art can manage
Solution：A variety of to the progress of these embodiments can change in the case where not departing from the principle and objective of the utility model, change,
Replace and modification, the scope of the utility model are limited by claim and its equivalent.
The foregoing is a further detailed description of the present application in conjunction with specific implementation manners, it is impossible to assert this Shen
Specific implementation please is confined to these explanations.For those of ordinary skill in the art to which this application belongs, do not taking off
On the premise of conceiving from the present application, some simple deduction or replace can also be made.For example, replaced using open guide rail
For the passage in the present embodiment, and by the replacement of conventional structure, whole work(of the installation equipment given by the present embodiment are realized
Energy；For another example the matching relationship of gear ring and gear is replaced with into Worm Wheel System etc., to realize the mesh of driven gear ring operating
's.
Claims (10)
- A kind of 1. lubricating structure of nuclear power circulation, it is characterised in that including：Low speed short axle, the low speed short axle are located at ring gear to be lubricated with above locating snap ring, pressure is equipped with the low speed short axle Oil pocket, the low speed short axle is rotated relative to the locating snap ring, and drives the ring gear to be engaged with the locating snap ring；Oil outlet, the oil outlet are opened in the low speed short axle outer surface, and the oil outlet is connected with the pumping cavity, is used for Lubricating oil in the pumping cavity is led into the ring gear and the stop ring surface.
- 2. the lubricating structure of nuclear power circulation as claimed in claim 1, it is characterised in that described pumping cavity one end and institute Oil outlet connection is stated, the other end is connected with the low speed short axle internal lubrication passage.
- 3. the lubricating structure of nuclear power circulation as claimed in claim 2, it is characterised in that the low speed short axle surface is set There is the pouring orifice connected with the pumping cavity.
- 4. the lubricating structure of nuclear power circulation as claimed in claim 1, it is characterised in that the oil outlet is in described low Fast short axle circumferential surface is set at two.
- 5. the lubricating structure of nuclear power circulation as claimed in claim 1, it is characterised in that the oil outlet is along described low Fast short axle radially opens up.
- 6. the lubricating structure of nuclear power circulation as claimed in claim 1, it is characterised in that the oil outlet obliquely, Relatively described low speed short axle radially opens up at an angle.
- 7. the lubricating structure of nuclear power circulation as claimed in claim 6, it is characterised in that the oil outlet with it is described low Fast short axle is in radially 30 ° of angles.
- 8. the lubricating structure of nuclear power circulation as claimed in claim 1, it is characterised in that the locating snap ring with it is described interior Gear ring engagement place is located at the locating snap ring inner wall bottom.
- 9. the lubricating structure of nuclear power circulation as claimed in claim 1, it is characterised in that described in the oil outlet face Locating snap ring inner wall opens up.
- 10. a kind of gear-box, it is characterised in that the gear-box includes nuclear power circulation described in claim 1-9 Lubricating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060697.7U CN207268302U (en) | 2017-08-23 | 2017-08-23 | The lubricating structure and gear-box of nuclear power circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060697.7U CN207268302U (en) | 2017-08-23 | 2017-08-23 | The lubricating structure and gear-box of nuclear power circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207268302U true CN207268302U (en) | 2018-04-24 |
Family
ID=61961446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721060697.7U Expired - Fee Related CN207268302U (en) | 2017-08-23 | 2017-08-23 | The lubricating structure and gear-box of nuclear power circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207268302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063920A1 (en) * | 2018-09-27 | 2020-04-02 | 南京高速齿轮制造有限公司 | Gearbox for wind turbine |
-
2017
- 2017-08-23 CN CN201721060697.7U patent/CN207268302U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063920A1 (en) * | 2018-09-27 | 2020-04-02 | 南京高速齿轮制造有限公司 | Gearbox for wind turbine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180424 Termination date: 20210823 |