CN105042310B - Electric rotating machine - Google Patents
Electric rotating machine Download PDFInfo
- Publication number
- CN105042310B CN105042310B CN201510214203.5A CN201510214203A CN105042310B CN 105042310 B CN105042310 B CN 105042310B CN 201510214203 A CN201510214203 A CN 201510214203A CN 105042310 B CN105042310 B CN 105042310B
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- grease
- electric rotating
- rotating machine
- lubricating grease
- tube
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Abstract
A kind of electric rotating machine improved to lubricating grease feedway.The electric rotating machine inside water immersion can be also prevented under water logging state there is provided a kind of by being improved to lubricating grease feedway.Electric rotating machine possesses the lubricating grease feedway (25) for being arranged at the outside of electric rotating machine main body (11), lubricating grease being supplied to internal lubrication portion (18), and lubricating grease feedway (25) includes the grease tube (26) that its inner end is communicated with lubrication portion (18).The outer end of the grease tube (26) is connected with the pipe sleeve (27) with straight through tube (27a).Oil-feed port mounting seat (28) is connected on the pipe sleeve (27), the oil-feed port mounting seat (28) is formed with recess space (28b), the bottom surface upper shed of the other end of the mounting hole (28a) that one end is connected with straight through tube (27a) in the recess space (28b).The grease coupler (29) being connected with mounting hole (28a) is stored in recess space (28b).Liquid-tight envelope is closed into by seal (30) using lid (31) in the recess space (28b).
Description
Technical field
Embodiments of the present invention are related to the electric rotating machine improved to lubricating grease feedway.
Background technology
In the electric rotating machine such as generator or motor, moisten the need for the setting of electric rotating machine body interior is such just like bearing
Sliding part (hereinafter referred to as lubrication portion).In addition, with contacting in the electric rotating machine that the machine of flowing water etc. is connected, what is had possesses
Set to prevent water from immersing electric rotating machine body interior, internal opposite outer is subjected to sealed structure.For this kind of structure
Electric rotating machine for, similarly, lubricating grease need to be periodically supplied to internal lubrication portion, and from located at the outer of electric rotating machine main body
Portion and it is lubricated fat supply with the lubricating grease feedway that internal lubrication portion is communicated.In this case, supply lubricating grease
Equip and be connected with the grease coupler on the lubricating grease feedway of electric rotating machine body exterior, supplied using the lubricating grease
Lubricating grease is pressed into (referring for example to Japanese Patent Laid-Open 2002-138940 publications) by grease coupler to equipment
It is well known that above-mentioned grease coupler has so-called check valve structure, therefore, when connection lubricating grease supply dress
It is standby and occur breakdown action when being pressed into lubricating grease, and then returned under spring force when removing lubricating grease supply equipment
Reverse and make and be back to closed state.Therefore, removing lubricating grease supply equipment under normal circumstances, locating for outside
It is that this can prevent the intrusion of dust or water droplet etc. in closed state.
Though above-mentioned electric rotating machine can prevent the intrusion of dust or water droplet etc. under normal conditions, work as and run into certain shape
Condition and when flooding electric rotating machine, grease coupler is opened because of the hydraulic pressure of surrounding, thus the water around occurring sometimes is from profit
Situation inside consistent lubricant coupler intrusion electric rotating machine.Once occur the situation inside this water immersion, even if retreating it in water
Afterwards, the electric rotating machine can not also be used.
The content of the invention
The present invention wishes that the technical problem solved is, one kind is provided even in water by improving lubricating grease feedway
The electric rotating machine inside water immersion can also be prevented by flooding under state.
The electric rotating machine of embodiment of the present invention, which possesses, is arranged at the outside of electric rotating machine main body, to the electric rotating owner
The lubrication portion in internal portion supplies the lubricating grease feedway of lubricating grease, it is characterised in that the lubricating grease feedway includes：Profit
Grease tube, the grease tube in the electric rotating machine main body with being interlinked to the outside, and its inner end is communicated with the lubrication portion；Pipe sleeve,
The pipe sleeve is connected with the outer end of above-mentioned grease tube, the straight through tube connected with one end and the grease tube；Oil-feed port is pacified
Seat is filled, the oil-feed port mounting seat is connected with above-mentioned pipe sleeve, the mounting hole that the other end with one end and the straight through tube is connected,
And it is formed with the recess space that the other end of the mounting hole is open on its bottom surface；Grease coupler, lubricating grease injection
Mouth is connected with another end opening of the mounting hole, is accommodated in the recess space；And lid, the lid passes through seal
The recess space-closed of above-mentioned grease coupler will be stored into liquid-tight envelope.
According to embodiments of the present invention, under water logging state, also it can prevent water from being invaded from lubricating grease feedway
Enter electric rotating machine body interior.
Brief description of the drawings
Fig. 1 is the partial sectional view for the electric rotating machine for representing an embodiment of the present invention.
Fig. 2 is the figure for illustrating the structure of the lubricating grease feedway shown in Fig. 1.
Embodiment
Hereinafter, referring to the drawings, embodiments of the present invention are described in detail.
Fig. 1 represents the electric rotating machine of the embodiment.Electric rotating machine main body 11 in its cylindric framework 12 integratedly
Be provided with cylindrical shape stator core 13, the inner peripheral portion of the stator core 13 be provided with the way of it can rotate freely with
The rotor core 15 that rotating shaft 14 is integrally formed.The difference insertion of rotating shaft 14 is located at the support of bearing of the both ends of the surface of cylindric framework 12
17, it can be rotated freely by the supporting located at the bearing 18 of these supports of bearing 17.Internal fan is installed in rotating shaft 14
20 and external fan 21, blown and cooled down to the inside/outside of framework 12 by the rotation of rotating shaft 14.In addition, to external fan
21 are provided with the fan guard 22 surrounded.In addition, right upper portion is provided with terminal box 23 in the figure of electric rotating machine main body 11, use
Cable (not shown) outside connection.
For the above-mentioned grade lubrication of bearing 18 portion, outside in electric rotating machine main body 11 sets lubricating grease feedway 25, to
Lubricating grease is supplied as the bearing 18 in the lubrication portion inside electric rotating machine main body 11.In Fig. 1, corresponding to the bearing 18 of left and right, profit
Consistent lubricant feedway 25 is also configured to left and right two.In addition, because terminal box 23 is positioned above, the lubricating grease supply on right side in figure
Front side 90-degree bent from device 25 to accompanying drawing paper.
As shown in Fig. 2 lubricating grease feedway 25 is noted by grease tube 26, pipe sleeve 27, oil-feed port mounting seat 28, lubricating grease
The lid 31 for entering mouth 29 and possessing seal 30 is constituted.In addition, as shown in figure 1, on the lubricating grease feedway 25, rotating
The lower, outer perimeter of motor body 11 is provided with the lubricating grease outlet 32 discharged for supplying lubricating grease from bearing 18.The lubricating grease is arranged
Closed under normal conditions by the lid with seal outlet 32.
Grease tube 26 is so that the interior of electric rotating machine main body 11 is interlinked to the outside on the support of bearing 17, and its inner end is (in figure
Bottom) communicated by oil supply pipe 26a with as the bearing 18 in lubrication portion.In the outer end of the grease tube 26 (in figure
Upper end) on, it is connected to pipe sleeve 27 using helicitic texture.There is the pipe sleeve 27 one end (lower end in figure) to be connect with the grease tube 26
Logical straight through tube 27a.
Oil-feed port mounting seat 28 is using helicitic texture and the straight through tube 27a being formed in pipe sleeve 27 other end (in figure
Upper end) connection.Also, the oil-feed port mounting seat 28 has the mounting hole that the other end with above-mentioned straight through tube 27a is connected
28a.And then, recess space 28b is formed with the oil-feed port mounting seat 28, recess space 28b has above-mentioned mounting hole 28a
In the bottom surface of its upper shed.Grease coupler 29 is connected with the mounting hole 28a of the oil-feed port mounting seat 28, is accommodated in above-mentioned recessed
In the 28b of portion space.Lid 31 is fixed on opening for the recess space 28b of storage grease coupler 29 by seal 30 by screw
Face (upper surface in figure) is put, the recess space 28b for storing grease coupler 29 is closed into liquid-tight envelope.
In said structure, under normal conditions, the open surface of the oil-feed port mounting seat 28 of lubricating grease feedway 25 leads to
Cross seal 30 to be closed by lid 31, dust or moisture will not be out of the intrusion electric rotating machine of lubricating grease feedway 25 main bodys 11
Portion.Under the state, electric rotating machine continuous running, when run into lubricating grease supply period when, by the lid of lubricating grease feedway 25
31 remove, the grease coupler 29 in the 28b of recess space and lubricating grease (not shown) supply are equipped be connected and by lubricating grease
Press-in.
By the operation, grease coupler 29 is open, and lubricating grease is supplied to as in electric rotating machine main body 11
The bearing 18 in lubrication portion.Now, lubricating grease outlet 32 is because lid is removed and opens, therefore, the old lubricating grease in bearing 18
It is extruded, is discharged from lubricating grease outlet 32 to outside electric rotating machine main body 11.
When the supply operation of lubricating grease is completed, lubricating grease supply equipment is removed from grease coupler 29, utilized
Lid 31 by seal 30 by the opening face closure of the oil-feed port mounting seat 28 of lubricating grease feedway 25, while by lubricating grease
Outlet 32 is also closed, and returns back to common operating condition.
In the common operating condition, raining heavily to be likely to be encountered in certain situation such as causes rainwater intrusion to set rotation
Make electric rotating machine main body 11 by water logging in the building of rotating motor, because tsunami etc. causes seawater to invade.Such case is run into, it is right
For existing apparatus, exist make because of the hydraulic pressure of surrounding water from the part of grease coupler 29 invade electric rotating machine main body 11 can
Can property.
However, the electric rotating machine according to the embodiment, by lubrication the reason for immersing electric rotating machine main body 11 as water
Fat coupler 29 is accommodated in the recess space 28b of oil-feed port mounting seat 28, by seal 30 that recess is empty using lid 31
Between 28b opening face closure into liquid-tight envelope, therefore, around grease coupler 29 be in by the electric rotating machine main body of water logging
The state of aqueous phase isolation around 11.Thus, will not occur the water as existing apparatus from the part of grease coupler 29
The situation in electric rotating machine main body 11 is invaded, even if by water logging, after water is decorporated the electric rotating machine can be made to operate again.
Embodiments of the present invention are illustrated above, but the embodiment is the example carried out as an example, and
The intention being defined in the absence of the scope to invention.The novel embodiment can be subject in other various modes
Implement, in the range of the main idea not past invention, various omissions can be made, replace and change.Present embodiment and its deformation
It is contained in the scope of invention and main thought, also, is contained in the range of invention and its identical of claims record.
Claims (1)
1. a kind of electric rotating machine, possesses lubricating grease feedway, the lubricating grease feedway is arranged at the outer of electric rotating machine main body
Portion, lubricating grease is supplied to the lubrication portion of the electric rotating machine body interior, it is characterised in that
The lubricating grease feedway includes：
Grease tube, the grease tube in the electric rotating machine main body with being interlinked to the outside, and its inner end is communicated with the lubrication portion；
Pipe sleeve, the pipe sleeve is connected with the outer end of the grease tube, the straight through tube connected with one end and the grease tube；
Oil-feed port mounting seat, the oil-feed port mounting seat is connected with the pipe sleeve, the other end with one end Yu the straight through tube
The mounting hole of connection, and be formed with recess space, the bottom surface upper shed of the other end of the mounting hole in recess space；
Grease coupler, the grease coupler is connected with another end opening of the mounting hole, is accommodated in the recess empty
In；And
Lid, the lid will store the recess space-closed of the grease coupler into liquid-tight envelope by seal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-094579 | 2014-05-01 | ||
| JP2014094579A JP6129111B2 (en) | 2014-05-01 | 2014-05-01 | Rotating electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105042310A CN105042310A (en) | 2015-11-11 |
| CN105042310B true CN105042310B (en) | 2017-08-22 |
Family
ID=54449106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214203.5A Active CN105042310B (en) | 2014-05-01 | 2015-04-29 | Electric rotating machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6129111B2 (en) |
| CN (1) | CN105042310B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018014786A (en) * | 2016-07-19 | 2018-01-25 | ファナック株式会社 | Electric motor with power generation and power supply function at coil end part |
| CN109160479A (en) * | 2018-10-29 | 2019-01-08 | 上海应用技术大学 | A kind of automatic sensing refueling device |
| JP7273612B2 (en) * | 2019-05-13 | 2023-05-15 | 東芝三菱電機産業システム株式会社 | Bearing structure and rotating electric machine |
| CN111336542B (en) * | 2019-12-12 | 2021-07-20 | 中国人民解放军空军工程大学 | Multi-channel igniter with variable arc length |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3391952A (en) * | 1963-11-04 | 1968-07-09 | Gen Motors Corp | Lubricant purging sealed ball joint assembly |
| CN2083682U (en) * | 1990-12-23 | 1991-08-28 | 浙江省苍南仪表厂 | Pressure oil nipple |
| CN2310375Y (en) * | 1997-09-15 | 1999-03-10 | 刘之凡 | Oil-filling hole sealing device for electric power capacitor |
| CN1592041A (en) * | 2003-08-25 | 2005-03-09 | 阿斯莫株式会社 | Casing structure and motor |
| CN201462358U (en) * | 2009-07-08 | 2010-05-12 | 南阳防爆集团股份有限公司 | Low-voltage motor bearing oil filling and discharging device |
| CN203423560U (en) * | 2013-07-25 | 2014-02-05 | 盘锦辽河胜利电泵有限公司 | Duplex joint for oil-submerged electric pump motor protector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751895U (en) * | 1980-09-11 | 1982-03-25 | ||
| JPH0923607A (en) * | 1995-07-06 | 1997-01-21 | Toshiba Corp | Bearing |
| JP2002138940A (en) * | 2000-11-01 | 2002-05-17 | Kubota Corp | Inline type pump-reversing hydraulic turbine |
| JP2008095775A (en) * | 2006-10-10 | 2008-04-24 | Shin Caterpillar Mitsubishi Ltd | Grease nipple protecting device |
-
2014
- 2014-05-01 JP JP2014094579A patent/JP6129111B2/en active Active
-
2015
- 2015-04-29 CN CN201510214203.5A patent/CN105042310B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3391952A (en) * | 1963-11-04 | 1968-07-09 | Gen Motors Corp | Lubricant purging sealed ball joint assembly |
| CN2083682U (en) * | 1990-12-23 | 1991-08-28 | 浙江省苍南仪表厂 | Pressure oil nipple |
| CN2310375Y (en) * | 1997-09-15 | 1999-03-10 | 刘之凡 | Oil-filling hole sealing device for electric power capacitor |
| CN1592041A (en) * | 2003-08-25 | 2005-03-09 | 阿斯莫株式会社 | Casing structure and motor |
| CN201462358U (en) * | 2009-07-08 | 2010-05-12 | 南阳防爆集团股份有限公司 | Low-voltage motor bearing oil filling and discharging device |
| CN203423560U (en) * | 2013-07-25 | 2014-02-05 | 盘锦辽河胜利电泵有限公司 | Duplex joint for oil-submerged electric pump motor protector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6129111B2 (en) | 2017-05-17 |
| CN105042310A (en) | 2015-11-11 |
| JP2015213383A (en) | 2015-11-26 |
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