CN105591491B - External fan type rotating electrical machine - Google Patents
External fan type rotating electrical machine Download PDFInfo
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- CN105591491B CN105591491B CN201510749990.3A CN201510749990A CN105591491B CN 105591491 B CN105591491 B CN 105591491B CN 201510749990 A CN201510749990 A CN 201510749990A CN 105591491 B CN105591491 B CN 105591491B
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- lubricating grease
- cover
- bearing
- exterior wing
- main body
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- Motor Or Generator Cooling System (AREA)
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Abstract
Installation lubricating grease receiving element is safely extracted out in external fan type rotating electrical machine to disperse without lubricating grease.External fan type rotating electrical machine has armature spindle, rotor, the 1st bearing and the 2nd bearing, stator, main body shell (49), exterior wing, exterior wing cover (46) and lubricating grease receiving member (51).Lubricating grease receiving member (51), which has, to be inserted into main body shell (49) and is received by shell nozzle portion (49a) from the lubricating grease receiving part (51a) that the lubricating grease that the 1st bearing is fallen is stored and be formed as the lubricating grease that can be loaded and unloaded between main body shell (49) reception mounting portion (51b).Cover recessed portion (53) is formed in exterior wing cover (46), so that exterior wing cover (46) and main body shell (49) are locally close to, be formed in the range of cover recessed portion (53) is comprising shell nozzle portion (49a) can supplying lubricating grease receiving part (51a) perforation cover opening portion (54).
Description
Technical field
The present invention relates to horizontal rotating shaft, include the external fan type rotating electrical machine of lubricating grease receiving element.
Background technology
There are a kind of external fan type rotating electrical machines, i.e., drive cooling by being installed on the fan of armature spindle on the outside of frame
This feelings is driven in rotation due to exterior wing and armature spindle directly connection with the electric rotating machine (patent document 1) of the mode of air
The position relationship of condition and exterior wing and extraneous air inlet port, in general, by exterior wing configuration bearing it is axially external near.
Lubricating grease for bearing lubrication is provided to bearing (particularly rolling bearing).It is supplied to bearing and lubricates bearing
After lubricating grease is by bearing, falls on the lubricating grease receiving element for being set to below bearing and being formed as vessel-shaped and store
It deposits.The one end of lubricating grease receiving element penetrates through main body shell, that is, support of bearing or frame and is inserted into inside.The other end passes through
The mounting portion for being set to the breakthrough part of main body shell is mounted to dismantle.In this way, lubricating grease receiving element is collateral in engaging portion coverlet
It holds.
Existing technical literature
Patent document
Patent document 1：Japanese Utility Model opens clear 62-11361 bulletins in fact
Patent document 2：Japanese Utility Model opens clear 59-34458 bulletins in fact
Invention content
The technical problem to be solved in the present invention
Storing the lubricating grease receiving element of the lubricating grease fallen needs periodically to take out and will be put after the lubricating grease removal of storage
Return to the lower section of bearing.In order to remove the lubricating grease stored in lubricating grease receiving element, without the motor that stops rotating, also in electric rotating
It is carried out under the operating condition of machine.
The hand of driver etc., equipment etc. are rolled into fan in order to prevent, and exterior wing cover is provided on the outside of exterior wing.Exterior wing
Cover is also provided at the outside of frame and the support of bearing in face of air inlet side, for example, forming cooling between the support of bearing and frame
With the flow path of air.Exterior wing cover be formed with make lubricating grease receiving element pass in and out when by hole, be equipped with and can dismantle by hole
Cap (patent document 2).
Fig. 7 is to represent that the lubricating grease of external fan type rotating electrical machine receives the facade view of the conventional example around mounting portion.This
Place, in the case where taking out lubricating grease receiving member 51, first, dismounting is set to the exterior wing cover opening lid 46a of exterior wing cover 46, and
The lubricating grease to main body shell 49 that dismounting is arranged in exterior wing cover 46 receives mounting portion 51b, later, by lubricating grease receiving member
51 are fetched into outside exterior wing cover 46.
In order to dismantle and be fetched into outside exterior wing cover 46 out of main body shell 49 by lubricating grease receiving member 51, in exterior wing cover 46
In a period of interior movement, around lubricating grease receiving part 51a, the gas of the air sucked due to exterior wing from extraneous air inlet port
The raw whirlpool of miscarriage, causes the lubricating grease in lubricating grease receiving part 51a to disperse to outside lubricating grease receiving part 51a.
In addition, dismounting or lubricating grease receiving part 51a of the lubricating grease receiving member 51 from main body shell 49 are in exterior wing cover 46
Mobile needs carried out near the fan of rotation, exist and the hand of operating personnel, equipment be involved in the danger of fan.
This situation in order to prevent, in the case that the separator for being isolated with exterior wing is set in exterior wing cover 46,
Axial length there are electric rotating machine is elongated or the process number that makes increases, and asking of complicating of operation during maintenance test
Topic.
Therefore, it is an object of the present invention in external fan type rotating electrical machine, it can be safely extracted out, lubricating grease reception is installed
Part, and lubricating grease will not disperse.
For solving the technical solution of technical problem
In order to achieve the above object, external fan type rotating electrical machine of the invention is characterised by comprising：Rotor, rotor tool
Have in a manner of it can be rotated around horizontal rotating shaft by the armature spindle of pivot suspension and the rotor core for being fixed on the armature spindle；1st axis
It holds and the 2nd bearing, the 1st bearing and the 2nd bearing is arranged respectively at and clips the axial rotor core of the rotor
Position supports the armature spindle；Stator, the stator arrangement is in the radial outside of the rotor core；Main body shell, should
Main body shell has the frame of the tubular for the radial outside and both ends open for surrounding the rotor core and the stator and fixes
It is supported on the axial both ends of the frame and the 1st support of bearing and supported respectively to the 1st bearing and the 2nd bearing
2 supports of bearing, the main body shell are formed with shell nozzle portion；Exterior wing, the exterior wing are installed on the 1st bearing of the armature spindle
It is axially external, tempering air is transmitted to the outside of the 1st support of bearing and the frame；Exterior wing cover, the exterior wing cover
It is disposed over the outside of the exterior wing；And lubricating grease receiving member, the lubricating grease receiving member have lubricating grease receiving part and
Lubricating grease receives mounting portion, which is inserted by the shell nozzle portion in the main body shell, described
It is received in main body shell and is supplied to the 1st bearing and the lubricating grease fallen from the 1st bearing, and the lubrication grease supplying is existed
In the main body shell, which receives mounting portion and is formed as the energy between the main body shell in the shell nozzle portion
Handling, cover recessed portion is formed in the exterior wing cover towards the shell nozzle portion so that the exterior wing cover and the main body shell office
Portion is close to, recessed in the cover so as to load and unload the lubricating grease receiving member from outside in the rotary course of the rotor
Concave portion comprising being formed with the cover opening portion that can be penetrated through for the lubricating grease receiving part in the range of the shell nozzle portion.
Invention effect
According to the present invention, it in external fan type rotating electrical machine, can be safely extracted out, lubricating grease receiving element is installed, and do not moisten
Consistent lubricant disperses.
Description of the drawings
Fig. 1 is the horizontal cross of the external fan type rotating electrical machine of embodiment 1.
Fig. 2 is the facade view of the external fan type rotating electrical machine of embodiment 1.
Fig. 3 is the III-III lines of Fig. 2 to regarding transverse sectional view.
Fig. 4 is that the lubricating grease of the external fan type rotating electrical machine of embodiment 1 receives the outside drawing around mounting portion.
Fig. 5 is the V-V lines of Fig. 4 to regarding facade view.
Fig. 6 is the variation that the lubricating grease of the external fan type rotating electrical machine of embodiment 2 receives the exterior wing cover near mounting portion
Facade view.
Fig. 7 is to represent that the lubricating grease of external fan type rotating electrical machine receives the facade view of the conventional example around mounting portion.
Specific embodiment
Hereinafter, it is explained with reference to the external fan type rotating electrical machine of embodiments of the present invention.Herein, to mutually it is identical or
Similar part adds common label, and omits repeated explanation.
[embodiment 1]
Fig. 1 is the horizontal cross of the external fan type rotating electrical machine of embodiment 1.Fig. 2 is facade view.Fig. 3 is Fig. 2
III-III lines are to regarding transverse sectional view.
External fan type rotating electrical machine 100 have rotor 10, stator 30, main body shell 49, the 1st bearing 41a, the 2nd bearing 41b,
Exterior wing 45, exterior wing cover 46 and lubricating grease receiving member 51.Rotor 10 has armature spindle 11 and is set to armature spindle 11 radially
Rotor core 12.The both ends of armature spindle 11 are extended in a manner of revolvable by pivot suspension, the armature spindle 11 along horizontal axis.
Rotor core 12 is the layer that will be made of ferromagnetic and in center there is the disk-shaped steel plate of opening to be laminated in an axial direction
Stack structure.
Stator 30 is set to the radial outside of rotor 10, for the cylindrical shape axially extended.Stator 30 has stator core
31 and stator winding 32.Stator core 31 is of ferromagnetic will be made and have the disk-shaped steel plate being open along axis in center
To the stepped construction being laminated.It is formed in the inside of the stator core 31 opposite with the radial outside of rotor core 12 in week
The groove portion (not shown) for being separated from each other interval upwards and axially extending.In each slot and on the outside of axial two of stator core 31
It is provided with stator winding 32.
1st bearing 41a and the 2nd bearing 41b to armature spindle 11 support and can in the axial both sides of armature spindle 11
Rotation.1st bearing 41a and the 2nd bearing 41b is, for example, rolling bearing.
Main body shell 49 has frame 43, the 1st support of bearing 42a and the 2nd support of bearing 42b.Frame 43 is with level side
To the tubular for axis, both ends open.1st support of bearing 42a and the 2nd support of bearing 42b are mounted to clog at the both ends of frame 43.
1st support of bearing 42a supports the 1st bearing 41a.2nd support of bearing 42b supports the 2nd bearing 41b.In main body
The shell nozzle portion 49a (Fig. 5) of the perforation of lubricating grease receiving member 51 is formed on housing 49.
Exterior wing 45 is installed on armature spindle 11, is rotated together with the rotation with armature spindle 11.Exterior wing 45 is set to the 1st bearing 41a
It is axially external, clip the opposite side that the 1st bearing 41a is arranged on rotor core 12.The outside of exterior wing 45 is provided with exterior wing
46 are covered to cover exterior wing.The ventilation hole 47 for making to be supplied to the air of exterior wing 45 to pass through is formed on exterior wing cover 46.
Lubricating grease receiving member 51 has the lubricating grease receiving part 51a of storage lubricating grease and installation lubricating grease receiving member
51 lubricating grease receives mounting portion 51b.Lubricating grease receiving member 51 penetrates through main body shell 49.Lubricating grease receiving member 51 is in housing
Opening portion 49a receives mounting portion 51b lubricating grease and is installed on main body shell 49 in a manner of it can load and unload.
The anti-cover 48 (Fig. 3) that disperses is provided with around the 1st bearing 41a, prevents lubricating grease from the 1st bearing 41a to surrounding
It disperses.In addition, the lower open of the anti-cover 48 that disperses, the lubricating grease fallen from the 1st bearing 41a drop to lower section.Though the 2nd bearing 41b
It is not shown, but be also same.
Lubricating grease receiving part 51a extends to the 1st bearing of the inside of main body shell 49 from the position of shell nozzle portion 49a
The lower section of 41a, to receive the lubricating grease fallen from the 1st bearing 41a.The top of lubricating grease receiving part 51a opens, to receive from upper
The lubricating grease just fallen.Lubricating grease receiving part 51a is the shape with bottom and side, can store lubricating grease.
Fig. 4 is that the lubricating grease of the external fan type rotating electrical machine of embodiment 1 receives the outside drawing of mounting portion.Fig. 5 is the V- of Fig. 4
V lines are to regarding facade view.Cover recessed portion 53 and cover opening portion 54 are formed in exterior wing cover 46.
Exterior wing cover 46 receives mounting portion in the lubricating grease comprising the lubricating grease receiving member 51 for being installed on shell nozzle portion 49a
Cover opening portion 54 is formed in the range of including 51b.In addition, the cover recessed portion 53 of exterior wing cover 46 is recessed towards cover opening portion 54,
It is close to the surface of main body shell 49 end.In addition, degree of being close to need not be No leakage state.That is, by outer 45 transmission Lai air
The amount leaked between from the surface of cover recessed portion 53 and main body shell 49 can also be not zero.It is lubricated being pulled out from main body shell 49
During fat receiving member 51, as long as that will not be splash because leading to the lubricating grease in lubricating grease receiving part 51a during the leakage air
Degree, air also have leakage.
In the external fan type rotating electrical machine 100 of the present embodiment formed above, when dismantling lubricating grease receiving member 51,
Due to being formed with cover recessed portion 53 in exterior wing cover 46, though without by exterior wing cover 46 a part dismantle etc. operations,
Lubricating grease can be operated in this state receives mounting portion 51b.
Mounting portion 51b is being received after main body shell 49 dismantles lubricating grease receiving member 51 using lubricating grease, can will lubricated
Fat receiving member 51 is drawn out to the outside of main body shell 49.At this point, even if air-flow between main body shell 49 and exterior wing cover 46 is from master
It leaks, the lubricating grease in lubricating grease receiving part 51a will not be blown away between body shell body 49 and cover recessed portion 53.In addition, drawing
When going out lubricating grease receiving member 51, hand, the equipment of operator can not possibly be contacted with exterior wing 45.
As described above, according to the present embodiment, in external fan type rotating electrical machine 100, it can be safely extracted out, lubricating grease is installed
Receiving member 51, disperses without lubricating grease.
[embodiment 2]
Fig. 6 is the variation that the lubricating grease of the external fan type rotating electrical machine of embodiment 2 receives the exterior wing cover near mounting portion
Facade view.Present embodiment is the deformation of embodiment 1.In present embodiment 2, exterior wing cover 60 has the 1st cover component
61 and part in addition to this be the 2nd cover component 62.1st cover component 61 is formed to dismantle and can install from the 2nd cover component 62
In the 2nd cover component 62.Bolt hole (not shown) is formed in the corresponding position of the 1st cover component 61 and the 2nd cover component 62, with butterfly
Bolt 61c is combined.In addition, combined method is not limited to wing bolt, such as may be the chimeric side using spring etc.
Other methods such as formula.
Similary with embodiment 1, the 1st cover component 61 has cover recessed portion 61a and cover opening portion 61b.Cover opening portion 61b exists
Lubricating grease comprising the lubricating grease receiving member 51 for being installed on shell nozzle portion 49a is formed in the range of receiving mounting portion 51b.This
Outside, cover recessed portion 61a is recessed towards cover opening portion 61b, and end is close to the surface of main body shell 49.
It is similary with embodiment 1 in the external fan type rotating electrical machine 100 of the present embodiment formed above, it can safety
Ground takes out, dismounting lubricating grease receiving member 51, disperses without lubricating grease.
In addition, in the case where needing from the dismounting exterior wing of main body shell 49 cover 60, it is possible that wanting lubricating grease is maintained to connect
Receipts portion 51a receives situation of state of lubricating grease etc..In this case, the lubricating grease of lubricating grease receiving member 51 receives installation
Portion 51b and cover recessed portion 61a is it is possible that can interfere, and one party is caused to be damaged.
In the present embodiment, in the case where needing from the dismounting exterior wing of main body shell 49 cover 60, the 1st cover component is only dismantled
61, and without dismounting lubricating grease receiving member 51, so as to interference-free dismounting exterior wing cover 60.Particularly, as the fully closed type of exterior wing
In the case that the such main body shell of electric rotating machine is closed, dismounting lubricating grease receiving member can destroy full-shut position, undesirable.
In this case, can not have to dismounting lubricating grease receiving member 51 and interference-free dismounting exterior wing cover 60 have the advantages that it is larger.
[other embodiment]
More than, although the description of embodiments of the present invention, but embodiment is intended only as example and presents, and does not really want
Invention scope is defined.
In addition, these embodiments can be implemented by other various modes, in the range of invention main idea is not departed from,
It can carry out various omissions, displacement, change.
The above embodiment and its variation are all contained in the scope of the present invention, in inventive concept, and included in right
It is required that in recorded invention and the range being equal with it.
Label declaration
10 rotors
11 armature spindles
12 rotor cores
30 stators
31 stator cores
32 stator winding
The 1st bearings of 41a
The 2nd bearings of 41b
The 1st supports of bearing of 42a
The 2nd supports of bearing of 42b
43 frames
45 exterior wings
46 exterior wing covers
46a exterior wing cover opening lids
47 ventilation holes
The 48 anti-covers that disperse
49 main body shells
49a shell nozzles portion
51 lubricating grease receiving members
51a lubricating grease receiving parts
51b lubricating grease receives mounting portion
53 cover recessed portions
54 cover opening portions
60 exterior wing covers
61 the 1st cover components
61a cover recessed portions
61b cover openings portion
61c wing bolts
62 the 2nd cover components
100 external fan type rotating electrical machines
Claims (3)
1. a kind of external fan type rotating electrical machine, which is characterized in that including：
Rotor, the rotor have in a manner of it can rotate around horizontal rotating shaft by the armature spindle of pivot suspension be fixed on the armature spindle
Rotor core；
1st bearing and the 2nd bearing, the 1st bearing and the 2nd bearing, which are arranged respectively at, clips axial described turn of the rotor
The position of sub- iron core supports the armature spindle；
Stator, the stator arrangement is in the radial outside of the rotor core；
Main body shell, which, which has, surrounds the rotor core and the radial outside of the stator and the cylinder of both ends open
It the frame of shape and is fixedly attached to the axial both ends of the frame and the 1st bearing and the 2nd bearing is supported respectively
1st support of bearing and the 2nd support of bearing, the main body shell are formed with shell nozzle portion；
Exterior wing, the exterior wing are installed on the axially external of the 1st bearing of the armature spindle, tempering air are transmitted to described
The outside of 1st support of bearing and the frame；
Exterior wing cover, the exterior wing cover are disposed over the outside of the exterior wing；And
There is lubricating grease receiving part and lubricating grease to receive mounting portion, the lubrication for lubricating grease receiving member, the lubricating grease receiving member
Fat receiving part prolongs horizontal direction extension, is inserted into the main body shell by the shell nozzle portion, in the main body shell
It is interior direct to receive the lubricating grease that is supplied to the 1st bearing and is fallen from the 1st bearing, and be described in the lubrication grease supplying exists
In main body shell, which receives mounting portion and is formed to load and unload between the main body shell in the shell nozzle portion,
Cover recessed portion is formed with towards the shell nozzle portion so that the exterior wing cover and main body shell part in the exterior wing cover
It is close to, so as to load and unload the lubricating grease receiving member from outside in the rotary course of the rotor, in the cover recess
Portion comprising being formed with the cover opening portion that can be penetrated through for the lubricating grease receiving part in the range of the shell nozzle portion.
2. external fan type rotating electrical machine as described in claim 1, which is characterized in that
The lubricating grease receiving member and the shell nozzle portion be formed as the outside in the shell nozzle portion edge part that
This is close to.
3. external fan type rotating electrical machine as claimed in claim 1 or 2, which is characterized in that
The exterior wing cover includes the 1st cover component with the cover recessed portion and the cover opening portion and except the 1st cover structure
The 2nd cover component other than part,
The 1st cover component is formed to load and unload between the 2nd cover member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-226336 | 2014-11-06 | ||
| JP2014226336A JP6013428B2 (en) | 2014-11-06 | 2014-11-06 | Outer fan type rotating electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105591491A CN105591491A (en) | 2016-05-18 |
| CN105591491B true CN105591491B (en) | 2018-06-19 |
Family
ID=55930818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510749990.3A Active CN105591491B (en) | 2014-11-06 | 2015-11-06 | External fan type rotating electrical machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6013428B2 (en) |
| CN (1) | CN105591491B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6586441B2 (en) * | 2017-07-18 | 2019-10-02 | 東芝三菱電機産業システム株式会社 | Fully enclosed outer fan-type rotating electric machine and variable ventilation outer fan duct |
| JP6960367B2 (en) * | 2018-04-12 | 2021-11-05 | 東芝三菱電機産業システム株式会社 | Fully enclosed fan-shaped rotary electric machine and fan cover |
| JP6983135B2 (en) * | 2018-10-05 | 2021-12-17 | 東芝三菱電機産業システム株式会社 | Rotating machine, oil drainage cassette, and ventilation system |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202565079U (en) * | 2012-05-10 | 2012-11-28 | 河北玉星生物工程有限公司 | Novel oil grease lubrication structure motor |
| CN103004062A (en) * | 2010-07-28 | 2013-03-27 | 三菱电机株式会社 | Totally-enclosed fan-cooled motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5821328Y2 (en) * | 1978-02-22 | 1983-05-06 | 三菱電機株式会社 | Grease discharge device for rotating electrical machines |
| JPS5934458U (en) * | 1982-08-24 | 1984-03-03 | 三菱電機株式会社 | Oil drain device for rotating electric machine with external fan cover |
| JPS59111460U (en) * | 1983-01-17 | 1984-07-27 | 三菱電機株式会社 | Grease discharge device for rotating electrical machines |
| JPS6211361U (en) * | 1985-07-05 | 1987-01-23 | ||
| JP3360355B2 (en) * | 1993-06-21 | 2002-12-24 | 株式会社日立製作所 | Bearing device for rotating electric machine |
-
2014
- 2014-11-06 JP JP2014226336A patent/JP6013428B2/en active Active
-
2015
- 2015-11-06 CN CN201510749990.3A patent/CN105591491B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103004062A (en) * | 2010-07-28 | 2013-03-27 | 三菱电机株式会社 | Totally-enclosed fan-cooled motor |
| CN202565079U (en) * | 2012-05-10 | 2012-11-28 | 河北玉星生物工程有限公司 | Novel oil grease lubrication structure motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105591491A (en) | 2016-05-18 |
| JP2016093013A (en) | 2016-05-23 |
| JP6013428B2 (en) | 2016-10-25 |
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