CN209282998U - A kind of high-pressure motor bearing anti-oil leakage device - Google Patents
A kind of high-pressure motor bearing anti-oil leakage device Download PDFInfo
- Publication number
- CN209282998U CN209282998U CN201821940048.0U CN201821940048U CN209282998U CN 209282998 U CN209282998 U CN 209282998U CN 201821940048 U CN201821940048 U CN 201821940048U CN 209282998 U CN209282998 U CN 209282998U
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- China
- Prior art keywords
- oil sealing
- oil
- main shaft
- ring
- inner ring
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- 238000007789 sealing Methods 0.000 claims abstract description 78
- 238000009434 installation Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000003595 mist Substances 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 71
- 239000010687 lubricating oil Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses a kind of high-pressure motor bearing anti-oil leakage devices, are related to Oil-leakage-preventistructure structure of motor technical field.The high-pressure motor bearing anti-oil leakage device includes main shaft and shell, and the main shaft is mounted in the shell, and sliding bearing is cased on the main shaft, and the sliding bearing is equipped with band oil ring；The two sides that the sliding bearing is corresponded on the main shaft are respectively equipped with two oil sealings, and two reversed fans are respectively equipped on the main shaft between corresponding two oil sealings and the sliding bearing, the reversed fan forms the wind direction opposite with motor internal fan with the rotation of the main shaft.Wind pressure balances each other in the wind pressure and motor that the utility model makes bearing oil intracavitary, so that the indoor mist of oil of bearing be prevented to spray.
Description
Technical field
The utility model relates to Oil-leakage-preventistructure structure of motor technical fields, more particularly, to a kind of high-pressure motor bearing oil-leakage-prevention
Device.
Background technique
When motor runs at high speed, lubricating oil is adsorbed to electric machine main shaft from plain bearing housing with oil ring on sliding bearing
Sliding surface, lubricating oil can splash inside sliding bearing in this case overflows to bearing both ends, and a large amount of lubricating oil accumulates for a long time
Gather and generate positive pressure in the cavity of oil sealing position, when positive pressure is greater than the sealing positive pressure value of oil sealing, will lead to oil sealing oil leak, or even meeting
It is sprayed on machine winding or iron core, causes insulation to be greatly affected, so that motor performance and service life are by very big shadow
It rings.
Utility model content
In view of the above-mentioned problems, it is necessary to provide a kind of high-pressure motor bearing anti-oil leakage device, which makes axis
It holds wind pressure in wind pressure and motor in oil pocket to balance each other, so that the indoor mist of oil of bearing be prevented to spray.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
A kind of high-pressure motor bearing anti-oil leakage device, including main shaft and shell, the main shaft are mounted in the shell, institute
It states and is cased with sliding bearing on main shaft, the sliding bearing is equipped with band oil ring；The two of the sliding bearing are corresponded on the main shaft
Side is respectively equipped with two oil sealings, and is respectively equipped with two between corresponding two oil sealings and the sliding bearing on the main shaft
Reversed fan, the reversed fan form the wind direction opposite with motor internal fan with the rotation of the main shaft.
Further, the reversed fan includes oil sealing inner ring, oil sealing outer ring, backward vane and convex block；In the oil sealing
Ring is mounted on the main shaft；It is located on the outer circumference surface of the oil sealing inner ring outside the oil sealing, and the oil sealing inner ring
Both ends exceed except the both ends of the oil sealing outer ring respectively；The backward vane and the convex block are set to the oil sealing inner ring
Lateral wall on and be located at the both ends of the oil sealing outer ring.
Further, the reversed fan further includes two inner ring ring springs and an outer ring ring spring；Described in two
Inner ring ring spring is set on the lateral wall of the oil sealing inner ring and is located at the backward vane and the convex block is separate
At the position of oil sealing outer ring side；The outer ring ring spring is set to the middle position of the lateral wall of the oil sealing outer ring.
Further, the reversed fan further includes a positioning pin, and the positioning pin is set to the outside of the oil sealing outer ring
On wall at the position of oil sealing outer ring end, and it is corresponding with the position of the oil sealing, to the fixation oil sealing.
Further, the oil sealing inner ring sleeve on the main shaft or on the main shaft or is welded on the main shaft.
Further, the shell includes top bearing shell lid and lower axle FE Tiler, and the top bearing shell lid and the lower bearing cover
Lower opposite installation forms the shell.
Further, the backward vane is equipped with multi-disc, and multi-disc backward vane is annular in shape to be uniformly distributed in the oil sealing
On the lateral wall of inner ring.
Due to the adoption of the above technical scheme, the utility model has the following beneficial effects:
(1) the utility model is formed and electricity by the way that reversed fan, reversed fan are arranged on main shaft with the rotation of main shaft
The opposite wind direction of machine internal fan balances wind pressure, under the balance wind pressure that reversed fan is formed, so that the wind that bearing oil is intracavitary
Pressure balances each other with wind pressure in motor, so that the indoor mist of oil of bearing be prevented to spray.
It (2) include oil sealing inner ring, backward vane, convex block and positioning pin in reversed fan set by the utility model
Deng playing the role of controlling its play wherein set convex block can inhibit the play of backward vane；Meanwhile set determining
Position pin can fix oil sealing, prevent oil sealing play；Therefore, which keeps stability of the invention high, long service life, practicability
By force.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the utility model；
Fig. 2 is the cross-sectional view after the utility model assembly；
Fig. 3 is the enlarged drawing of I in Fig. 2；
Fig. 4 is the three-dimensional figure of reversed fan in the utility model；
Fig. 5 is the side view of reversed fan in the utility model；
Fig. 6 is the A-A cross-sectional view of Fig. 5；
Fig. 7 is the B enlarged drawing of Fig. 5.
In attached drawing, parts list represented by the reference numerals are as follows:
1, main shaft, 2, sliding bearing, 3, band oil ring, 4, reversed fan, 5, oil sealing, 6, oil sealing inner ring, 7, oil sealing outer ring, 8,
Backward vane, 9, convex block, 10, inner ring ring spring, 11, outer ring ring spring, 12, positioning pin, 13, top bearing shell lid, 14, lower axle
FE Tiler.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Embodiment
Please referring also to Fig. 1-Fig. 3, a kind of high-pressure motor bearing anti-oil leakage device, including main shaft and shell, the shell
Including top bearing shell lid 13 and lower axle FE Tiler 14, the top bearing shell lid 13 and the lower axle FE Tiler 14 are adapted, so that top bearing shell lid
13 and the opposite installation of about 14 lower axle FE Tiler form the shell.The main shaft 1 is mounted in the shell, on the main shaft 1
It is cased with sliding bearing 2, the sliding bearing 2 is equipped with band oil ring 3.The two sides point of the sliding bearing 2 are corresponded on the main shaft 1
Oil sealing 5 there are two not setting, and two are respectively equipped between corresponding two oil sealings 5 and the sliding bearing 2 on the main shaft 1
Reversed fan 4, the reversed fan 4 form the wind direction opposite with motor internal fan with the rotation of the main shaft 1.The shell
Intracorporal cavity is adapted with the outer diameter of the outer diameter of the main shaft 1 and sliding bearing 2, so that shell and main shaft 1 and sliding bearing 2
It is fitted close.When motor when rotating at high speed, motor internal fan generate negative pressure make mist of oil between oil sealing 5 and main shaft 1
Gap is sprayed into motor, wind pressure is balanced since reversed fan 4 forms the wind direction opposite with motor internal fan, so that described
Wind pressure balances each other in wind pressure and motor in 2 oil pocket of sliding bearing, to prevent the indoor mist of oil of 2 bearing of sliding bearing
It sprays.
Further, such as Fig. 4-Fig. 7, the reversed fan 4 includes oil sealing inner ring 6, oil sealing outer ring 7, backward vane 8 and convex
Block 9.The oil sealing inner ring 6 is mounted on the main shaft 1.Wherein, the mounting means of the oil sealing inner ring 6, which can be, covers described
On main shaft 1, it is also possible on the main shaft 1, can also be and be welded on the main shaft 1 etc., preferably will in the present embodiment
6 sets of the oil sealing inner ring on the main shaft 1.The oil sealing outer ring 7 is set on the outer circumference surface of the oil sealing inner ring 6, and
The both ends of the oil sealing inner ring 6 exceed respectively except the both ends of the oil sealing outer ring 7.The backward vane 8 and the convex block 9 are equal
On the lateral wall of the oil sealing inner ring 6 and it is located at outside the position in place of the both ends or both ends of the oil sealing outer ring 7.Its
In, backward vane 8 is equipped with multi-disc, on the lateral wall annular in shape for being evenly distributed on the oil sealing inner ring 6 of multi-disc backward vane 8.
The reversed fan 4 forms corresponding wind pressure by the rotation of the backward vane 8, and the convex block 9 is for inhibiting backward vane 8
Play, play the role of controlling its play, and then improve the stability of reversed fan 4.
Further, the reversed fan further includes two inner ring ring springs 10, an outer ring ring spring 11 and certain
Position pin 12.Two inner ring ring springs 10 are on the lateral wall of the oil sealing inner ring 6 and are located at described reversed
At the position of blade 8 and the convex block 9 far from 7 side of oil sealing outer ring, for oil sealing inner ring 6 to be tightly attached to the main shaft of motor
1 surface.The outer ring ring spring 11 is set to the middle position of the lateral wall of the oil sealing outer ring 7, is used for oil sealing outer ring 7
It is tightly attached in oil sealing inner ring 6.The positioning pin 12 is set on the lateral wall of the oil sealing outer ring 7 close to 7 end of oil sealing outer ring
At the position in portion, and it is corresponding with the position of the oil sealing 5, for fixing the oil sealing 5,5 play of oil sealing is prevented, and then improve
The stability of the utility model.
Above description is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to
The patent claim of the utility model, the same changes or modifications completed under technical spirit suggested by all the utility model
Change, should belong to the covered the scope of the patents of the utility model.
Claims (7)
1. a kind of high-pressure motor bearing anti-oil leakage device, it is characterised in that: including main shaft (1) and shell, main shaft (1) installation
It in the shell, is cased with sliding bearing (2) on the main shaft (1), the sliding bearing (2) is equipped with band oil ring (3)；It is described
The two sides that the sliding bearing (2) is corresponded on main shaft (1) are respectively equipped with two oil sealings (5), and two corresponding on the main shaft (1)
Two reversed fans (4) are respectively equipped between the oil sealing (5) and the sliding bearing (2), the reversed fan (4) is with institute
The rotation for stating main shaft (1) forms the wind direction opposite with motor internal fan.
2. a kind of high-pressure motor bearing anti-oil leakage device as described in claim 1, it is characterised in that: the reversed fan (4)
Including oil sealing inner ring (6), oil sealing outer ring (7), backward vane (8) and convex block (9)；The oil sealing inner ring (6) is mounted on the master
On axis (1)；The oil sealing outer ring (7) is set on the outer circumference surface of the oil sealing inner ring (6), and the oil sealing inner ring (6)
Both ends exceed respectively except the both ends of the oil sealing outer ring (7)；The backward vane (8) and the convex block (9) are set to described
On the lateral wall of oil sealing inner ring (6) and it is located at the both ends of the oil sealing outer ring (7).
3. a kind of high-pressure motor bearing anti-oil leakage device as claimed in claim 2, it is characterised in that: the reversed fan also wraps
Include two inner ring ring springs (10) and an outer ring ring spring (11)；Two inner ring ring springs (10) are set to described
On the lateral wall of oil sealing inner ring (6) and the backward vane (8) and the convex block (9) are located at far from the oil sealing outer ring
(7) at the position of side；The outer ring ring spring (11) is set to the middle position of the lateral wall of the oil sealing outer ring (7).
4. a kind of high-pressure motor bearing anti-oil leakage device as claimed in claim 3, it is characterised in that: the reversed fan also wraps
It includes a positioning pin (12), the positioning pin (12) is set on the lateral wall of the oil sealing outer ring (7) close to the oil sealing outer ring (7)
At the position of end, and it is corresponding with the position of the oil sealing (5), to the fixation oil sealing (5).
5. a kind of high-pressure motor bearing anti-oil leakage device as claimed in claim 2, it is characterised in that: the oil sealing inner ring (6)
It covers on the main shaft (1) or on the main shaft (1) or is welded on the main shaft (1).
6. a kind of high-pressure motor bearing anti-oil leakage device as claimed in claim 3, it is characterised in that: the shell includes upper axis
FE Tiler (13) and lower axle FE Tiler (14), the top bearing shell lid (13) and the lower axle FE Tiler (14) are up and down described in opposite installation formation
Shell.
7. a kind of high-pressure motor bearing anti-oil leakage device as claimed in claim 2, it is characterised in that: the backward vane (8)
Equipped with multi-disc, on multi-disc backward vane (8) lateral wall annular in shape for being uniformly distributed in the oil sealing inner ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821940048.0U CN209282998U (en) | 2018-11-23 | 2018-11-23 | A kind of high-pressure motor bearing anti-oil leakage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821940048.0U CN209282998U (en) | 2018-11-23 | 2018-11-23 | A kind of high-pressure motor bearing anti-oil leakage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209282998U true CN209282998U (en) | 2019-08-20 |
Family
ID=67602280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821940048.0U Active CN209282998U (en) | 2018-11-23 | 2018-11-23 | A kind of high-pressure motor bearing anti-oil leakage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209282998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530971A (en) * | 2022-03-15 | 2022-05-24 | 安徽皖新电机有限公司 | Permanent magnet motor facilitating oil seal press-in and press-in method |
-
2018
- 2018-11-23 CN CN201821940048.0U patent/CN209282998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530971A (en) * | 2022-03-15 | 2022-05-24 | 安徽皖新电机有限公司 | Permanent magnet motor facilitating oil seal press-in and press-in method |
| CN114530971B (en) * | 2022-03-15 | 2023-09-22 | 安徽皖新电机有限公司 | Permanent magnet motor convenient for pressing in oil seal and pressing-in method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oil leakage prevention device for bearing of high-voltage motor Effective date of registration: 20221018 Granted publication date: 20190820 Pledgee: Laibin branch of industrial and Commercial Bank of China Ltd. Pledgor: GUANGXI HENGDA MACHINE TECHNOLOGY Co.,Ltd. Registration number: Y2022450000177 |
|
| PE01 | Entry into force 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: 20231228 Granted publication date: 20190820 Pledgee: Laibin branch of industrial and Commercial Bank of China Ltd. Pledgor: GUANGXI HENGDA MACHINE TECHNOLOGY Co.,Ltd. Registration number: Y2022450000177 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |