CN204442073U - A kind of high-voltage motor being provided with disc - Google Patents
A kind of high-voltage motor being provided with disc Download PDFInfo
- Publication number
- CN204442073U CN204442073U CN201520209752.9U CN201520209752U CN204442073U CN 204442073 U CN204442073 U CN 204442073U CN 201520209752 U CN201520209752 U CN 201520209752U CN 204442073 U CN204442073 U CN 204442073U
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- Prior art keywords
- bearing
- disc
- oil scraper
- ring
- scraper ring
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- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a kind of high-voltage motor being provided with disc, belong to the high-voltage motor being provided with disc in high-voltage motor technical field, its object is to provide a kind of bearing chamber radiating effect to be provided with the high-voltage motor of disc preferably.Its technical scheme is: comprise rotating shaft and end cap, the pedestal of described rotating shaft is arranged with bearing, rotating shaft outside described bearing is arranged with bearing end cover, disc and oil scraper ring is provided with between described bearing and bearing end cover, described disc is set in rotating shaft, described oil scraper ring is pressed on the end face of bearing or the end face of end cap by bearing end cover, and described oil scraper ring is set on disc, and leaves the gap of 1.5mm to 2.5mm between the inner ring of described oil scraper ring and the outer ring of disc.The utility model is applicable to high-voltage motor.
Description
Technical field
The utility model belongs to high-voltage motor technical field, relates to YKK, YXKK, Y, YX, YKS, YXKS series ordinary high pressure motor, particularly relates to a kind of YKK, YXKK, Y, YX, YKS, YXKS series ordinary high pressure motor being provided with disc.
Background technology
in high-voltage motor running, bearing subjects the effect of axial force and radial load, friction generates heat and wear and tear with the inner-outer sleeve of bearing in the process rotated for rolling element, thus a certain amount of lubricating grease must be had in bearing chamber, lubricate bearing and spread heat, the storage of lubricating grease is generally no more than 1/3rd of bearing chamber total amount.
At present, the lubricating arrangement of common motor bearings mainly comprises the bearing be arranged on rotating shaft bearing of motor platform, the disc that the motor shaft outside bearing is installed, and internal bearing cover, bearing end cover that bearing both sides and bearing holder (housing, cover) are fixing.Bearing end cover and bearing holder (housing, cover) are drilled with oil filler point, and be injected into by lubricant grease in internal bearing cover, internal bearing cover has oil guide groove, during machine operation, grease from bearing to exosmosis.The endoporus of disc and axle interference fits, disc is enclosed within after on axle, fix with holding screw, the contact-making surface of disc and bearing is vertical plane, narrow cavity is formed between disc and bearing, the radial height of disc exceedes bearing chamber and is directly thrown away to prevent lubricant grease, forms oil impregnate space between the outward flange of disc and bearing end cover inner chamber.But in use find, because the contact-making surface of disc and bearing is vertical plane, the width in oil impregnate space is narrow, waste oil is difficult to be discharged by oil impregnate space; And if the width in oil impregnate space is wide, because the cavity formed between disc and bearing is very narrow, lubricating grease is likely direct is thrown away the excessive use causing lubricating grease by oil impregnate space.
For solving the problems of the technologies described above, application number be 201220200821.6 utility model patent disclose a kind of lubricating arrangement of motor bearings, the lubricating arrangement of this lubricating arrangement to the motor bearings of routine improves, its main improvement is: disc is the disk with endoporus, the thickness of disc is radially outward thinning gradually by the contact profile circle of itself and bearing inner sleeve, the noncontact face of disc and bearing keeps plane, disc and bearing form V-arrangement cavity after combining and installing in-between, and the height of disc is lower than bearing inner sleeve diameter; Described bearing end cover processes an annular boss at it with on the enclosing cover inwall installing seam, forms narrow gap and form oil spilling passage between boss and the outer rim of disc.Though the processing of this lubricating arrangement is simple, easy for installation, both ensure that the storage of bearing chamber lubricating grease, ensure again the discharge of the clean of lubricating grease and waste oil.But be not provided with oil scraper ring in this lubricating arrangement, the lubricating oil that disc throws away directly gets rid of and drops on bearing cap, thus very easily causes pollution and the waste of lubricant grease.
For overcoming above-mentioned technological deficiency, oil scraper ring (as shown in Figure 1) is provided with in increasing motor, the pedestal of rotating shaft is arranged with bearing, rotating shaft outside bearing is provided with disc, the inside and outside both sides of bearing are provided with the internal bearing cover be set in rotating shaft, bearing end cover, internal bearing cover, bearing end cover are connected with end cap, between bearing and disc, arrange oil scraper ring, and oil scraper ring is pressed on bearing face by bearing end cover.After but oil scraper ring installs, between disc and oil scraper ring, there is end play, and radial gapless, though this structure can pin bearing chamber lubricating grease, but bearing chamber radiating effect is not good, bearing chamber temperature rises very fast, very easily causes bearing heating and bearing abnormal noise after motor rotation.
Utility model content
Goal of the invention of the present utility model is: for prior art Problems existing, provides a kind of bearing chamber radiating effect to be provided with the high-voltage motor of disc preferably.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of high-voltage motor being provided with disc, comprise rotating shaft and end cap, the pedestal of described rotating shaft is arranged with bearing, rotating shaft outside described bearing is arranged with bearing end cover, disc and oil scraper ring is provided with between described bearing and bearing end cover, described disc is set in rotating shaft, described oil scraper ring is pressed on the end face of bearing or the end face of end cap by bearing end cover, it is characterized in that, described oil scraper ring is set on disc, and the inner ring diameter of described oil scraper ring is greater than the race diameter of disc.
As preferred version of the present utility model, the diameter difference of the inner ring of described oil scraper ring and the outer ring of disc is 1.5mm to 2.5mm.
As preferred version of the present utility model, the rotating shaft outside described disc offers draw-in groove, be connected with back-up ring in described draw-in groove, described back-up ring contacts with disc and limits disc moving axially along rotating shaft in rotating shaft.
As preferred version of the present utility model, described end cap offers the annular groove for placing oil scraper ring on the end face of bearing end cover side, described oil scraper ring is positioned in the annular groove on end cap end face, and described oil scraper ring is pressed on the end face of end cap by bearing end cover.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, in the utility model, the set-up mode of disc and oil scraper ring changes to oil scraper ring and is set on disc, and leave gap between the inner ring of oil scraper ring and the outer ring of disc, therefore the rolling element of bearing goes out bearing chamber with the fricative heat of the inner-outer sleeve of bearing by this interstitial row in the process rotated, and thus improves the radiating efficiency of bearing chamber; In addition, rub produce because bearing noise mostly is ball and bearing enclose, thus in bearing chamber, heat loss is fast, bearing indoor temperature reduces, lubricating grease working temperature in bearing chamber is suitable for, and after bearing obtains good lubrication, greatly can reduce bearing noise, noise pollution in environment is reduced, environmental protection more.
2, in the utility model, disc is undertaken spacing by the back-up ring be connected in rotating shaft, thus can effectively prevent the axis of disc along rotating shaft in rotating shaft from moving, thus reach and prevent getting rid of through disc the lubricant grease fallen and can only get rid of the fixed position of falling oil scraper ring, and can not get rid of because of moving of disc and fall on bearing end cover, cause pollution and the waste of lubricant grease.
3, in the utility model, oil scraper ring is pressed on the end face of end cap by bearing end cover, because bearing end cover and end cap are connected as one by bolt or screw, thus bearing end cover, oil scraper ring and end cap and as a whole, move together, thus can effectively avoid dropping because the mutual motion between bearing and bearing end cover causes loosening of oil scraper ring when time on oil scraper ring to be pressed on bearing end face by bearing end cover, cause pollution and the waste of lubricant grease, or even damage other parts of motor.
Accompanying drawing explanation
Fig. 1 is the installation site schematic diagram of disc and oil scraper ring in prior art;
Fig. 2 is the installation site schematic diagram of disc and oil scraper ring in the utility model;
Mark in figure: 1-end cap, 2-bearing, 3-oil scraper ring, 4-disc, 5-back-up ring, 6-rotating shaft.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
embodiment 1
Be provided with a high-voltage motor for disc, this high-voltage motor comprises rotating shaft 6 and end cap 1, and this end cap 1 is finally be placed on the bearing 2 that is installed in rotating shaft 6.Bearing 2 platform of this rotating shaft 6 is arranged with bearing 2, and bearing 2 inside and outside both sides correspondence is provided with internal bearing cover, bearing end cover, and this internal bearing cover and bearing end cover are all set in rotating shaft 6.Disc 4 and oil scraper ring 3 is also provided with between bearing 2 and bearing end cover, disc 4 is set in the inner ring of oil scraper ring 3, oil scraper ring 3 is set in outside the outer ring of disc 4, wherein disc 4 to be set in rotating shaft 6 and to rotate with rotating shaft 6, and oil scraper ring 3 is pressed on the end face of bearing 2 outer ring or the end face of end cap 1 by bearing end cover, and the diameter of oil scraper ring 3 inner ring is greater than the diameter of disc 4 outer ring, diameter difference is between the two 1.5mm to 2.5mm, between the inner ring and the outer ring of disc 4 of oil scraper ring 3, thus leave the gap of 1.5mm to 2.5mm.In the present embodiment, disc 4 is L-type structure, and oil scraper ring 3 is Z-type structure, and oil scraper ring 3 is pressed on the end face of bearing 2 outer ring by bearing end cover, and due to oil scraper ring 3 be Z-type structure, leave the space of one fixed width between the end face of thus oil scraper ring 3 and bearing 2 inner ring.In addition, the gap between the inner ring of oil scraper ring 3 and the outer ring of disc 4 is set to leave 2mm.
In the present embodiment, be set on disc 4 due to the set-up mode of disc 4 and oil scraper ring 3 is changed to oil scraper ring 3, and between the outer ring of the inner ring of oil scraper ring 3 and disc 4, leave gap (radial direction has gap), and axial gapless, therefore the rolling element of bearing 2 goes out bearing chamber with the fricative heat of the inner-outer sleeve of bearing 2 by this interstitial row in the process rotated, thus improve the radiating efficiency of bearing chamber, reduce the temperature of bearing chamber; In addition, rub produce because bearing 2 noise mostly is ball and bearing 2 Internal and external cycle, thus in bearing chamber, heat loss is fast, bearing indoor temperature reduces, lubricating grease working temperature in bearing chamber is suitable for, and after bearing 2 obtains good lubrication, greatly can reduce bearing 2 noise, noise pollution in environment is reduced, environmental protection more.
embodiment 2
On the basis of embodiment one, oil scraper ring 3 is pressed on the end face of end cap 1 by bearing end cover, instead of the oil scraper ring 3 in embodiment one is pressed on the end face of bearing 2 outer ring by bearing end cover.
In the present embodiment, because oil scraper ring 3 is pressed on the end face of end cap 1 by bearing end cover, and the end cap 1 when assembling on bearing end cover and bearing 2 is by screw or be bolted together, thus oil scraper ring 3, bearing end cover and end cap 1 is that is as a whole, move together, thus can effectively avoid dropping because the mutual motion between bearing 2 and bearing end cover causes loosening of oil scraper ring 3 when time on oil scraper ring 3 to be pressed on bearing 2 end face by bearing end cover, cause pollution and the waste of lubricant grease, or even damage other parts of motor.
embodiment 3
On the basis of embodiment two, end cap 1 also offers annular groove on the end face contacted with oil scraper ring 3, this annular groove direct connection with end cap 1 inwall forms shoulder hole similar structures.The diameter of this annular groove and the diameter of oil scraper ring 3 suitable, the degree of depth of this annular groove and the thickness of oil scraper ring 3 suitable, thus be installed on when oil scraper ring 3 after in the annular groove on end cap 1 end face, oil scraper ring 3 is pressed on the end face of end cap 1 firmly by bearing end cover.
embodiment 4
On the basis of above-described embodiment, rotating shaft 6 outside disc 4 also offers draw-in groove, back-up ring 5 is connected with in this draw-in groove, the external diameter of this back-up ring 5 is greater than the internal diameter of disc 4, because of and when back-up ring 5 is connected to after in draw-in groove, fitting in the left side of back-up ring 5 and the right side of disc 4, thus limits disc 4 moving axially along rotating shaft 6 in rotating shaft 6 by back-up ring 5.
In the present embodiment, disc 4 is undertaken spacing by the back-up ring 5 be connected in rotating shaft 6, thus can effectively prevent disc 4 from moving along the axis of rotating shaft 6 in rotating shaft 6, thus reach and prevent getting rid of through disc 4 lubricant grease fallen and can only get rid of the fixed position of falling oil scraper ring 3, and can not get rid of because of moving of disc 4 and fall on bearing end cover, cause pollution and the waste of lubricant grease.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. one kind is provided with the high-voltage motor of disc, comprise rotating shaft (6) and end cap (1), the pedestal of described rotating shaft (6) is arranged with bearing (2), the rotating shaft (6) in described bearing (2) outside is arranged with bearing end cover, disc (4) and oil scraper ring (3) is provided with between described bearing (2) and bearing end cover, described disc (4) is set in rotating shaft (6), it is characterized in that, described oil scraper ring (3) is set on disc (4), described oil scraper ring (3) is pressed on the end face of bearing (2) or the end face of end cap (1) by bearing end cover, and the inner ring diameter of described oil scraper ring (3) is greater than the race diameter of disc (4).
2. a kind of high-voltage motor being provided with disc as claimed in claim 1, it is characterized in that, the diameter difference of the inner ring of described oil scraper ring (3) and the outer ring of disc (4) is 1.5mm to 2.5mm.
3. a kind of high-voltage motor being provided with disc as claimed in claim 1 or 2, it is characterized in that, the rotating shaft (6) in described disc (2) outside offers draw-in groove, be connected with back-up ring (5) in described draw-in groove, described back-up ring (5) contacts with disc (2) and limits disc (2) moving axially along rotating shaft (6) in rotating shaft (6).
4. a kind of high-voltage motor being provided with disc as claimed in claim 1 or 2, it is characterized in that, described end cap (1) offers the annular groove for placing oil scraper ring (3) on the end face of bearing end cover side, described oil scraper ring (3) is positioned in the annular groove on end cap (2) end face, and described oil scraper ring (3) is pressed on the end face of end cap (1) by bearing end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520209752.9U CN204442073U (en) | 2015-04-09 | 2015-04-09 | A kind of high-voltage motor being provided with disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520209752.9U CN204442073U (en) | 2015-04-09 | 2015-04-09 | A kind of high-voltage motor being provided with disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204442073U true CN204442073U (en) | 2015-07-01 |
Family
ID=53609888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520209752.9U Expired - Fee Related CN204442073U (en) | 2015-04-09 | 2015-04-09 | A kind of high-voltage motor being provided with disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204442073U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972674A (en) * | 2016-01-14 | 2017-07-21 | 襄阳南车电机技术有限公司 | A kind of New energy automobile motor water-inlet-proof structure |
| CN110198096A (en) * | 2019-05-21 | 2019-09-03 | 上海宝钢工业技术服务有限公司 | Motor sealing structure with IP66 degree of protection |
| CN113410939A (en) * | 2021-05-31 | 2021-09-17 | 山东风发新能源科技有限公司 | Oil deflector ring, motor and electric equipment |
| CN114412924A (en) * | 2021-12-15 | 2022-04-29 | 中电投新疆能源化工集团哈密有限公司 | Bearing waste oil discharging device |
-
2015
- 2015-04-09 CN CN201520209752.9U patent/CN204442073U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972674A (en) * | 2016-01-14 | 2017-07-21 | 襄阳南车电机技术有限公司 | A kind of New energy automobile motor water-inlet-proof structure |
| CN110198096A (en) * | 2019-05-21 | 2019-09-03 | 上海宝钢工业技术服务有限公司 | Motor sealing structure with IP66 degree of protection |
| CN110198096B (en) * | 2019-05-21 | 2023-09-29 | 上海宝钢工业技术服务有限公司 | Motor sealing structure with IP66 protection level |
| CN113410939A (en) * | 2021-05-31 | 2021-09-17 | 山东风发新能源科技有限公司 | Oil deflector ring, motor and electric equipment |
| CN114412924A (en) * | 2021-12-15 | 2022-04-29 | 中电投新疆能源化工集团哈密有限公司 | Bearing waste oil discharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150701 Termination date: 20180409 |