CN106505777B - A kind of sealing device of high-speed electric expreess locomotive - Google Patents
A kind of sealing device of high-speed electric expreess locomotive Download PDFInfo
- Publication number
- CN106505777B CN106505777B CN201610990385.XA CN201610990385A CN106505777B CN 106505777 B CN106505777 B CN 106505777B CN 201610990385 A CN201610990385 A CN 201610990385A CN 106505777 B CN106505777 B CN 106505777B
- Authority
- CN
- China
- Prior art keywords
- oil sealing
- inner ring
- outer shroud
- oil
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to a kind of sealing devices of high-speed electric expreess locomotive, including oil sealing inner ring and oil sealing outer shroud, the oil sealing inner ring sleeve is on electric machine main shaft, it is equipped with first concave convex groove structure of circle in the centre position of the oil sealing endocyclic outer wall, the oil sealing outer shroud inner wall is equipped with the second concave convex groove structure that a circle matches with first concave convex groove structure, and the oil sealing outer shroud is rotatably mounted on the periphery of the oil sealing inner ring by the mutual cooperation of the first concave convex groove structure and the second concave convex groove structure；The positioning pin covered for being fixed to dynamo oil is additionally provided on the oil sealing outer shroud, the positioning pin makes the oil sealing outer shroud not follow oil sealing inner ring to rotate together when motor operates.The beneficial effects of the invention are as follows：Greatly enhance sealing effect；Direct friction of the oil sealing to main shaft can be reduced simultaneously, to increase the service life of main shaft.
Description
Technical field
The present invention relates to field of sealing technology, and in particular to a kind of sealing device of high-speed electric expreess locomotive.
Background technology
It is typically necessary sealing device on electric machine main shaft to be sealed, there are following defects for existing sealing device：
1, sealing device can aggravate the abrasion of main shaft, to reduce the service life of main shaft；
2, sealing effect is bad；
3, negative pressure can be generated when electric machine built-in fan blade is run, the finally formed pressure of the negative pressure is in plain bearing housing
Chamber have destruction, so as to cause oil leakage phenomenon.
Invention content
In conclusion for overcome the deficiencies in the prior art, technical problem to be solved by the invention is to provide a kind of high
The sealing device of speed motor.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of sealing device of high-speed electric expreess locomotive, including oil sealing
Inner ring and oil sealing outer shroud, the oil sealing inner ring sleeve are equipped with one on electric machine main shaft, in the centre position of the oil sealing endocyclic outer wall
The first concave convex groove structure is enclosed, the oil sealing outer shroud inner wall is equipped with the second bumps that a circle matches with first concave convex groove structure
Slot structure, the oil sealing outer shroud are rotatably mounted on by the mutual cooperation of the first concave convex groove structure and the second concave convex groove structure
The periphery of the oil sealing inner ring；
On the oil sealing endocyclic outer wall and corresponding monosymmetric position of oil sealing outer shroud is equipped with and blocks oil sealing outer shroud
Convex block, on the oil sealing endocyclic outer wall and position of the corresponding side of the convex block far from oil sealing outer shroud is equipped with inner ring annular elastomeric
The oil sealing inner ring is tightly attached to the surface of electric machine main shaft by spring, the inner ring ring spring, and the oil sealing outer shroud outer wall is equipped with
The oil sealing outer shroud is tightly attached in the oil sealing inner ring by outer shroud ring spring, the outer shroud ring spring；
The positioning pin covered for being fixed to dynamo oil is additionally provided on the oil sealing outer shroud, the positioning pin makes described
Oil sealing outer shroud does not follow oil sealing inner ring to rotate together when motor operates.
The beneficial effects of the invention are as follows：Oil sealing outer shroud is rotatably mounted on the outer of oil sealing inner ring by concave convex groove structure
Week, concave convex groove structure form mazy seal form, greatly enhance sealing effect；In addition oil sealing inner ring is pasted on motor
Main shaft surface follows main shaft to rotate, and oil sealing outer shroud is fixed in oil cap and main shaft is not followed to rotate, and can reduce oil sealing to main shaft
Direct friction, to increase the service life of main shaft.
Based on the above technical solution, the present invention can also do improvement further below：
Further, the oil sealing inner ring lateral wall, which is equipped with, can offset the reversed of negative pressure caused by electric machine built-in fan blade
Blade.
Further, the backward vane is in the side on the oil sealing inner ring lateral wall and inside motor.
The beneficial effects of adopting the above-mentioned further technical scheme are as follows：When reducing motor operation, born caused by built-in fan blade
Pressure damages the pressure balance of plain bearing housing inner cavity, caused oil leakage phenomenon.
Further, the oil sealing inner ring is upper semi-circle and the opposite circular ring structure being installed together of lower half circle.
Further, the oil sealing outer shroud is upper semi-circle and the opposite circular ring structure being installed together of lower half circle.
The beneficial effects of adopting the above-mentioned further technical scheme are as follows：Convenient for being assembled on electric machine main shaft.
Description of the drawings
Fig. 1 is front view of the present invention；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the B enlarged drawings of Fig. 2；
Fig. 5 is the graphics of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
1. oil sealing inner ring, 2. inner ring ring springs, 3. oil sealing outer shrouds, 4. outer shroud ring springs, 5. inner ring backward vanes, 6.
Oil sealing outer shroud positioning pin, 7. convex blocks.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As described in figures 1 and 5, a kind of sealing device of high-speed electric expreess locomotive, including oil sealing inner ring 1 and oil sealing outer shroud 3, the oil sealing
Inner ring 1 and the oil sealing outer shroud 3 are upper semi-circle and the opposite circular ring structure being installed together of lower half circle, and above structure is convenient for will
Oil sealing is assembled on electric machine main shaft.
The oil sealing inner ring 1 is sleeved on electric machine main shaft, and a circle first is equipped in the centre position of 1 outer wall of oil sealing inner ring
Concave convex groove structure, 3 inner wall of oil sealing outer shroud are equipped with the second tongue and groove knot that a circle matches with first concave convex groove structure
Structure, the oil sealing outer shroud 3 are rotatably mounted on institute by the mutual cooperation of the first concave convex groove structure and the second concave convex groove structure
State the periphery of oil sealing inner ring 1.Oil sealing outer shroud 3 is rotatably mounted on the periphery of oil sealing inner ring 1, tongue and groove by concave convex groove structure
Structure forms mazy seal form, greatly enhances sealing effect.
As shown in Figures 2 and 3, on 1 outer wall of the oil sealing inner ring and corresponding 3 monosymmetric position of oil sealing outer shroud is equipped with
The convex block 7 that oil sealing outer shroud 3 is blocked, on 1 outer wall of oil sealing inner ring and corresponding 7 side far from oil sealing outer shroud 3 of convex block
Position be equipped with inner ring ring spring 2, the oil sealing inner ring 1 is tightly attached to the surface of electric machine main shaft by the inner ring ring spring 2,
3 outer wall of oil sealing outer shroud is equipped with outer shroud ring spring 4, and the oil sealing outer shroud 3 is tightly attached to institute by the outer shroud ring spring 4
It states in oil sealing inner ring 1.As shown in figure 4, being additionally provided with the positioning pin covered for being fixed to dynamo oil on the oil sealing outer shroud 3
6, the positioning pin 6 makes the oil sealing outer shroud 3 not follow oil sealing inner ring 1 to rotate together when motor operates.Oil sealing inner ring 1 sticks
Main shaft is followed to rotate in electric machine main shaft surface, and oil sealing outer shroud 3 is fixed in oil cap and main shaft is not followed to rotate, and can reduce oil sealing
To the direct friction of main shaft, to increase the service life of main shaft.
The oil sealing inner ring 1 is equipped with the backward vane 5 that can offset negative pressure caused by electric machine built-in fan blade, this is reversed
Blade 5 is in the side on 1 lateral wall of oil sealing inner ring and inside motor.Negative pressure caused by backward vane 5 can be with
Negative pressure caused by electric machine built-in fan blade is offset, the pressure balance of plain bearing housing inner cavity can be made, it is interior when reducing motor operation
It sets negative pressure caused by fan blade to damage the pressure balance of plain bearing housing inner cavity, caused oil leakage phenomenon.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of sealing device of high-speed electric expreess locomotive, which is characterized in that including oil sealing inner ring (1) and oil sealing outer shroud (3), the oil sealing
Inner ring (1) is sleeved on electric machine main shaft, and first concaveconvex structure of circle, institute are equipped in the centre position of oil sealing inner ring (1) outer wall
State the second concaveconvex structure that oil sealing outer shroud (3) inner wall matches equipped with a circle with first concaveconvex structure, the oil sealing outer shroud
(3) the outer of the oil sealing inner ring (1) is rotatably mounted on by the mutual cooperation of the first concaveconvex structure and the second concaveconvex structure
Week；
On oil sealing inner ring (1) the outer wall and monosymmetric position of the corresponding oil sealing outer shroud (3) is equipped with oil sealing outer shroud (3)
The convex block (7) blocked, on oil sealing inner ring (1) the outer wall and position of corresponding side of the convex block (7) far from oil sealing outer shroud (3)
Inner ring ring spring (2) is installed, the oil sealing inner ring (1) is tightly attached to the table of electric machine main shaft by the inner ring ring spring (2)
Face, oil sealing outer shroud (3) outer wall are equipped with outer shroud ring spring (4), and the outer shroud ring spring (4) is by the oil sealing outer shroud
(3) it is tightly attached on the oil sealing inner ring (1)；
The positioning pin (6) covered for being fixed to dynamo oil, the positioning pin (6) are additionally provided on the oil sealing outer shroud (3)
Make the oil sealing outer shroud (3) that oil sealing inner ring (1) not followed to rotate together when motor operates.
2. sealing device according to claim 1, which is characterized in that oil sealing inner ring (1) lateral wall is equipped with can be with
Offset the backward vane (5) of negative pressure caused by electric machine built-in fan blade.
3. sealing device according to claim 2, which is characterized in that the backward vane (5) is in the oil sealing inner ring
(1) side on lateral wall and inside motor.
4. sealing device according to any one of claims 1 to 3, which is characterized in that the oil sealing inner ring (1) is upper semi-circle
The opposite circular ring structure being installed together with lower half circle.
5. sealing device according to any one of claims 1 to 3, which is characterized in that the oil sealing outer shroud (3) is upper semi-circle
The opposite circular ring structure being installed together with lower half circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990385.XA CN106505777B (en) | 2016-11-10 | 2016-11-10 | A kind of sealing device of high-speed electric expreess locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990385.XA CN106505777B (en) | 2016-11-10 | 2016-11-10 | A kind of sealing device of high-speed electric expreess locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106505777A CN106505777A (en) | 2017-03-15 |
| CN106505777B true CN106505777B (en) | 2018-10-26 |
Family
ID=58323906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610990385.XA Active CN106505777B (en) | 2016-11-10 | 2016-11-10 | A kind of sealing device of high-speed electric expreess locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106505777B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712003A (en) * | 2018-05-28 | 2018-10-26 | 海宁欧乐威环境科技有限公司 | A kind of motor special for water pump |
| CN109067066B (en) * | 2018-08-28 | 2019-07-30 | 珠海格力电器股份有限公司 | A kind of motor-shaft extending sealing structure and motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201027980Y (en) * | 2007-02-14 | 2008-02-27 | 茂顺密封元件科技股份有限公司 | Sealing element |
| CN201044385Y (en) * | 2007-05-01 | 2008-04-02 | 无锡华达电机有限公司 | Seal structure of electric motor shaft |
| CN201436768U (en) * | 2009-05-14 | 2010-04-07 | 湘潭电机股份有限公司 | Rotation sealing device for motor journal |
| CN202118125U (en) * | 2011-06-17 | 2012-01-18 | 广州机械科学研究院 | Sealing structure for bearing end surface convenient to detach and install |
| CN202451837U (en) * | 2012-01-04 | 2012-09-26 | 广州机械科学研究院有限公司 | Labyrinth embedded split oil seal |
| CN105794091A (en) * | 2013-10-22 | 2016-07-20 | 比伯拉赫利勃海尔零部件有限公司 | Labyrinth seal for three-phase machines |
| CN206332542U (en) * | 2016-11-10 | 2017-07-14 | 广西恒达电机科技有限公司 | A kind of sealing device of high-speed electric expreess locomotive |
-
2016
- 2016-11-10 CN CN201610990385.XA patent/CN106505777B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201027980Y (en) * | 2007-02-14 | 2008-02-27 | 茂顺密封元件科技股份有限公司 | Sealing element |
| CN201044385Y (en) * | 2007-05-01 | 2008-04-02 | 无锡华达电机有限公司 | Seal structure of electric motor shaft |
| CN201436768U (en) * | 2009-05-14 | 2010-04-07 | 湘潭电机股份有限公司 | Rotation sealing device for motor journal |
| CN202118125U (en) * | 2011-06-17 | 2012-01-18 | 广州机械科学研究院 | Sealing structure for bearing end surface convenient to detach and install |
| CN202451837U (en) * | 2012-01-04 | 2012-09-26 | 广州机械科学研究院有限公司 | Labyrinth embedded split oil seal |
| CN105794091A (en) * | 2013-10-22 | 2016-07-20 | 比伯拉赫利勃海尔零部件有限公司 | Labyrinth seal for three-phase machines |
| CN206332542U (en) * | 2016-11-10 | 2017-07-14 | 广西恒达电机科技有限公司 | A kind of sealing device of high-speed electric expreess locomotive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106505777A (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104675715B (en) | Gas Blower | |
| CN106505777B (en) | A kind of sealing device of high-speed electric expreess locomotive | |
| CN103256257A (en) | Mini-sized high-speed cooling-water machine water pump | |
| CN204458510U (en) | Blower fan | |
| CN209709820U (en) | A kind of motor with water-proof function spliced shell | |
| CN201487217U (en) | Airflow self-generating type rotary sealing device | |
| CN102355079A (en) | End cover type sliding bearing of high-speed motor | |
| CN209012115U (en) | A kind of portable mechanical face seals of centrifugal pumps | |
| CN206332542U (en) | A kind of sealing device of high-speed electric expreess locomotive | |
| CN202468438U (en) | Combined sealing device for submerged pump | |
| CN103115072B (en) | A kind of sealing configuration of oil-lubricated bearing | |
| CN203722378U (en) | Novel motor tail shaft rotating-seal structure | |
| CN207687355U (en) | Oil free screw machine combined sealing structure | |
| CN203488683U (en) | Non-contact type sealing assembly for gear case | |
| CN206889676U (en) | A kind of semi-contact graphite seal device | |
| CN202001305U (en) | Sealing device of roots fan spindle | |
| CN204299937U (en) | A kind of high speed shaft seal structure | |
| CN104251265A (en) | High-speed sealing device | |
| CN207363763U (en) | A kind of ring seal structure at turbocharger air compressor end | |
| CN206389213U (en) | Prevention oil leak mechanism on high-speed electric expreess locomotive sliding bearing | |
| CN203522390U (en) | Labyrinth sealing structure for high-speed motor shaft | |
| CN205759864U (en) | A kind of centrifugal extractor gas sealing structure | |
| CN207333699U (en) | A kind of mixer sealing structure of shaft end | |
| CN207686994U (en) | A kind of labyrinth hermetic seal centrifugal pump | |
| CN202381701U (en) | Device for sealing bearing boxes of silicon wafer cutting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A sealing device for high speed motor Effective date of registration: 20210623 Granted publication date: 20181026 Pledgee: Laibin branch of industrial and Commercial Bank of China Ltd. Pledgor: GUANGXI HENGDA MACHINE TECHNOLOGY Co.,Ltd. Registration number: Y2021450000025 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221130 Granted publication date: 20181026 Pledgee: Laibin branch of industrial and Commercial Bank of China Ltd. Pledgor: GUANGXI HENGDA MACHINE TECHNOLOGY Co.,Ltd. Registration number: Y2021450000025 |