CN103532289B - A kind of bearing cover and a kind of motor - Google Patents
A kind of bearing cover and a kind of motor Download PDFInfo
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- CN103532289B CN103532289B CN201310533376.4A CN201310533376A CN103532289B CN 103532289 B CN103532289 B CN 103532289B CN 201310533376 A CN201310533376 A CN 201310533376A CN 103532289 B CN103532289 B CN 103532289B
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- bearing
- plug
- sealing
- observation port
- end cap
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Abstract
The invention provides a kind of bearing cover, can be with the end cap body of the observation port that the bearing installation cavity of motor connects and the sealing-plug being removably disposed in described observation port including offering, this sealing-plug seals with end cap body and coordinates.Use the motor of bearing cover of the present invention when carrying out bearing maintenance, without the Bearing configuration associated components such as bearing cover are all disassembled, only sealing-plug need to be pulled down from observation port and can detect bearing condition by observation port, bearing outward appearance, bearing oil sample extraction etc. can be carried out check, operation is simple, reduces the operation easier of bearing maintenance；Simultaneously, the extracting tool of sealing-plug is fairly simple, it is easy to dismantle in working place on narrow and small working place such as limited tower, substantially increases the maintainability of all kinds of large-scale motor shaft acknowledgement of consignment row, thus meet the demand that in narrow and small working place, motor is carried out bearing maintenance.Present invention also offers a kind of motor with above-mentioned bearing cover.
Description
Technical field
The present invention relates to bearing applied technical field, more particularly, it relates to a kind of bearing cover, this
Invention further relates to a kind of motor with above-mentioned bearing cover.
Background technology
Along with expanding economy, the application of large-size machine is more and more extensive.In order to ensure the fortune of large-size machine
Row reliability, needs periodically to safeguard its bearing.Currently in order to realize the protection to bearing, bearing
Outer setting up puts the structures such as bearing cover, bearing end cover or back-up ring, hereafter these structures is referred to as bearing
Seat end cap.
Due to bearing cover by bearing seal at motor internal, so when motor is carried out operation maintenance,
Need to disassemble the Bearing configuration associated components such as bearing cover and bearing could be carried out detailed inspection,
And then the operation conditions of detection bearing.This disassembling section is more complicated, need special tool(s) frock, special
It not the operating environment at narrow space, increase the difficulty of dismounting further, it is difficult to meet the dimension of bearing
Protect demand.
As a example by the bearing maintenance of direct-drive permanent magnet wind power generator, direct-drive permanent magnet wind power generator is when application
Needing tower-mounted, because this motor diameter is relatively big, directly the expense of tower up and down of lifting motor is huge；It is subject to
The restriction of maintenance cost, needs to carry out bearing maintenance on the premise of avoiding pulling down motor from tower.Institute
With, this motor can only carry out operation maintenance on tower, i.e. needs to take bearing cover on tower apart, to enter
The sampling of row oils and fats, operation conditions detection etc. operate, and then complete bearing fault detection.But, due to this
The bearing cover of motor is the biggest but also weighs, and the working place on tower is limited, increases bearing cover
The difficulty of dismounting, constrains the maintenance work of tower upper bearing (metal).
In sum, how to reduce the operation easier of bearing maintenance, to meet in narrow and small working place
Motor is carried out the demand of bearing maintenance, is current those skilled in the art technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of bearing cover, to reduce bearing maintenance
Operation easier, thus meet the demand that in narrow and small working place, motor is carried out bearing maintenance.
Another object of the present invention is to provide a kind of motor with above-mentioned bearing cover.
In order to achieve the above object, the present invention provides following technical scheme:
A kind of bearing cover, including:
End cap body, described end cap body offers the observation that can connect with the bearing installation cavity of motor
Hole；With
Being removably disposed in the sealing-plug in described observation port, described sealing-plug is close with described end cap body
Envelope coordinates.
Preferably, above-mentioned bearing cover also include being positioned at outside described sealing-plug, can stop described close
The cover plate that blocking skids off in described observation port, described cover plate is removably attached to described end cap body
On outer face and block described observation port.
Preferably, in above-mentioned bearing cover, described cover plate is fixed on institute by hexagon socket cap head screw
State on the outer face of end cap body.
Preferably, in above-mentioned bearing cover, described sealing-plug and described end cap body are close by sealing gasket
Envelope coordinates, and described sealing gasket is pressed on the junction of described end cap body and described sealing-plug by described cover plate.
Preferably, in above-mentioned bearing cover, the outer face of described sealing-plug is additionally provided with auxiliary described
Offer on the projection that sealing-plug is extracted from described observation port, and described cover plate and supply described projection to pass
Perforation.
Preferably, in above-mentioned bearing cover, the central axis of described observation port and described end cap body
Axis is parallel.
Preferably, in above-mentioned bearing cover, described observation port is near axle Zi the one end away from bearing
Holding the bellmouth of tapered at one end, described sealing-plug is the conical plug matched with described bellmouth.
Preferably, in above-mentioned bearing cover, the number at least two of described observation port, and described sight
Examine hole to be uniformly distributed along the circumference of described end cap body.
Preferably, in above-mentioned bearing cover, described sealing-plug is rubber stopper, and this rubber stopper is with described
It it is interference fit between observation port.
From above-mentioned technical scheme it can be seen that the present invention provide bearing cover include end cap body and
Sealing-plug, wherein, end cap body offers the observation port that can connect with the bearing installation cavity of motor,
Seal in sealing-plug is removably disposed in above-mentioned observation port and with end cap body and coordinate.
When applying the bearing cover of the present invention, first with bolt, bearing cover is arranged on motor
On bearing block, and end cap body is made to coordinate with the rotating shaft sealing of motor.Owing to sealing-plug is close with end cap body
Envelope coordinates, so above-mentioned bearing cover has preferable sealing, it is possible to be effectively prevented seepage, full
The foot operation demand of motor.
Due to above-mentioned bearing cover, after taking off sealing-plug, observation port can with the bearing installation cavity of motor even
Logical, so by observation port it is observed that structure in bearing installation cavity, and then can be to the fortune of bearing
Row situation detects, it is also possible to directly measure Partial key gap or spacing, can extract fortune simultaneously
The oil sample of row bearing such that it is able to bearing is detected in detail, so can be right by above-mentioned observation port
Bearing is safeguarded.
In summary, use the motor of bearing cover of the present invention when carrying out bearing maintenance, it is not necessary to will
The Bearing configuration associated components such as bearing cover all disassemble, and only need to be torn open from observation port by sealing-plug
Under can by observation port detect bearing condition, can carry out bearing outward appearance, bearing oil sample extraction etc. check.
Having refilled sealing-plug after having checked and can complete bearing maintenance work, operation is simple, reduces axle
Hold the operation easier of maintenance；Simultaneously as the size of sealing-plug is less, extracting tool is fairly simple, just
In dismantling in working place on narrow and small working place such as the most limited tower, substantially increase all kinds of greatly
The maintainability that type motor bearings runs, thus meet, in narrow and small working place, motor is carried out axle
Hold the demand of maintenance.
Additionally, above-mentioned bearing cover also a saving manpower and materials, and then reduce bearing maintenance cost.
Present invention also offers a kind of motor, including rotating shaft, bearing block, be arranged on described rotating shaft and described
Bearing between bearing block and the bearing cover being arranged on described bearing block, described bearing cover is
Any of the above-described kind of bearing cover；Owing to above-mentioned bearing cover has the effect above, there is above-mentioned bearing
The motor of seat end cap has same effect, therefore repeats no more herein.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is some embodiments of the present invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the bearing cover that the embodiment of the present invention provides；
Fig. 2 is the partial enlargement structure chart of B in Fig. 1；
Fig. 3 is that the A of Fig. 1 is to partial view.
Detailed description of the invention
Embodiments provide a kind of bearing cover, reduce the operation easier of bearing maintenance, from
And meet the demand that in narrow and small working place, motor is carried out bearing maintenance.
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Refer to accompanying drawing 1-3, the bearing cover that the embodiment of the present invention provides includes end cap body 1 and seals
Plug 3, wherein, end cap body 1 offers the observation port that can connect with the bearing installation cavity C of motor,
Seal in sealing-plug 3 is removably disposed in above-mentioned observation port and with end cap body 1 and coordinate.
When applying the bearing cover of the present embodiment, first with bolt 2, bearing cover is arranged on electricity
On the bearing block 8 of machine, and end cap body 1 is made to coordinate with rotating shaft 7 sealing of motor.Due to sealing-plug 3
Seal with end cap body 1 and coordinate, so above-mentioned bearing cover has preferable sealing, it is possible to effectively
Prevent seepage, meet the operation demand of motor.
Due to above-mentioned bearing cover, after taking off sealing-plug 3, observation port can be with the bearing installation cavity of motor
C connects, so by observation port it is observed that structure in bearing installation cavity C, and then can be countershaft
The operation conditions held detects, it is also possible to directly measure Partial key gap or spacing, simultaneously can
Extract the oil sample running bearing such that it is able to bearing is detected in detail, so by above-mentioned observation port
Bearing can be safeguarded.
In summary, use the motor of bearing cover of the embodiment of the present invention when carrying out bearing maintenance,
Without the Bearing configuration associated components such as bearing cover are all disassembled, only need to be by sealing-plug 3 from sight
Examine and hole is pulled down and can detect bearing condition by observation port, bearing outward appearance, the extraction of bearing oil sample can be carried out
Deng inspection.Having refilled sealing-plug 3 after having checked and can complete bearing maintenance work, operation is simple,
Reduce the operation easier of bearing maintenance；Simultaneously as the size of sealing-plug 3 is less, extracting tool ratio
Simpler, it is simple to dismantle in working place on narrow and small working place such as limited tower, significantly carry
The high maintainability of all kinds of large-scale motor shaft acknowledgement of consignment row, thus meet in narrow and small working place right
Motor carries out the demand of bearing maintenance.
Additionally, above-mentioned bearing cover also a saving manpower and materials, and then reduce bearing maintenance cost；
And above-mentioned observation port also can apply to observe or safeguard the miscellaneous part of motor, applied range；Especially
It is large and middle size motor, such as direct-drive permanent magnet wind power generator etc..
In one preferred embodiment of the present invention, bearing cover also includes being positioned at outside sealing-plug 3,
Can stop the cover plate 6 that sealing-plug 3 skids off in observation port, this cover plate 6 is removably attached to end cap originally
On the outer face of body 1 and block observation port.First sealing-plug 3 is placed in when assembling this bearing cover
In observation port, then cover plate 6 it is arranged on end cap body 1 and blocks outside observation port, thus by close
Blocking 3 is spacing on end cap body 1.Above-mentioned cover plate 6 can be to sealing-plug 3 outside end cap body 1
Apply pressure, and then avoid the outer shifting of sealing-plug 3, thus avoid sealing-plug 3 and skid off the situation of observation port,
Ensure that properly functioning sealing.
The bearing cover of application the present embodiment, when carrying out bearing maintenance, needs successively by cover plate 6 and close
Blocking 3 is pulled down；The present invention can also be not provided with cover plate 6, blocks at observation port by making sealing-plug 3 have
And be fixed on the chimb on end cap body 1 or make sealing-plug 3 and observation port be threaded connection, to realize
The same effect improving sealing-plug 3 and the bonding strength of end cap body 1, introduces the most one by one at this.
Concrete, above-mentioned cover plate 6 is fixed on the outer end of end cap body 1 by hexagon socket cap head screw 5
On face.Owing to hexagon socket cap head screw 5 is readily accessible, so that the dismounting of cover plate 6, Jin Erbian
Maintenance work in bearing.Above-mentioned cover plate 6 can also by bolt 2 or stud etc. threaded or its
He is fixed on end cap body 1 dismountable connected mode.
In one preferred embodiment of the present invention, sealing-plug 3 and end cap body 1 are close by sealing gasket 4
Envelope coordinates, and sealing gasket 4 is pressed on the junction of end cap body 1 and sealing-plug 3 by cover plate 6.This sealing
The material of pad 4 can be rubber, foam etc..
In the present embodiment, sealing gasket 4 is arranged on the outer face of end cap body 1 and sealing-plug 3, covers
At the connection gap of end cap body 1 and sealing-plug 3, i.e. the outer ring of sealing gasket 4 is pressed in end cap body 1
Outer face on, inner ring is pressed on the outer face of sealing-plug 3.This sealing gasket 4 enhance sealing-plug 3 with
Sealing between end cap body 1, it is possible to be better protected from seepage, improve bearing properly functioning can
By property.It will be appreciated by persons skilled in the art that above-mentioned sealing gasket 4 can also be enclosed within sealing-plug 3
And between the hole wall and sealing-plug 3 of observation port, it is possible to so that between sealing-plug 3 and observation port being
It is full of and joins, to reach the effect of the same sealing ensured between sealing-plug 3 and end cap body 1, at this
Introduce the most one by one.
For the ease of the dismounting of sealing-plug 3, in the bearing cover that above-described embodiment provides, sealing-plug 3
Outer face on be additionally provided with the projection 31 that auxiliary seal plug 3 is extracted from observation port, and open on cover plate 6
It is provided with the perforation passed for projection 31.In the present embodiment, just can be successfully by sealing-plug 3 by projection 31
Take in observation port, it is not necessary to by instrument, easily facilitate in limited working place as first-class in tower close
Blocking 3 carries out choosing and installment work.Alternatively, above-mentioned projection 31 can also be for being opened in sealing-plug
On 3 outer faces, the auxiliary of hands insertion is supplied to pull out hole etc..
Further in technical scheme, the central axis of observation port is parallel with the axis of end cap body 1；?
It is prone to find machining benchmark accurately when processing above-mentioned observation port, it is simple to the processing of observation port.Certainly, above-mentioned observation
The central axis in hole can also become 10 °, 15 ° or the angle of other number of degrees with the axis of end cap body 1,
As long as observation port is capable of the maintenance to bearing.
In a kind of specific embodiment of invention, observation port preferably is from the one end away from bearing near axle
Holding the bellmouth of tapered at one end, i.e. observation port is the tapered bellmouth of ecto-entad, the observation port of this shape
It is easy to the mounting or dismounting of sealing-plug 3, improves operating effect.Simultaneously in order to preferably coordinate with above-mentioned observation port,
Sealing-plug 3 is the conical plug matched with bellmouth.Now along bellmouth whole axially, sealing-plug 3
Being face with bellmouth to contact, after sealing-plug 3 is filled in the suitable position of bellmouth, sealing effectiveness is preferable.
Certainly, above-mentioned observation port can also be the hole of other shapes such as cylindrical hole, rectangular opening, and sealing-plug 3 is permissible
For the most U-shaped, notch cuttype, other shape such as cross, as long as meeting the sealing of sealing-plug 3 and observation port
Coordinate.
For the ease of the maintenance to bearing different parts, in the bearing cover that above-described embodiment provides, see
Examine the number at least two in hole, and observation port is uniformly distributed along the circumference of end cap body 1.When needs are examined
When surveying the bearing of diverse location, only sealing-plug 3 corresponding or nearest for this position need to be pulled down,
Realizing the maintenance to bearing by the observation port of this position, maintenance span is wider.Above-mentioned observation port is all right
It is 1,2 or other numbers, should need to select suitable observation port quantity and chi according to actual maintenance
Very little.
Above-mentioned sealing-plug 3 can be metal closures or nonmetal plug, in an embodiment of the present invention, close
It is interference fit between rubber stopper, and this rubber stopper and observation port that blocking 3 is preferably.This sealing-plug 3 by
Rubber is made, and has elasticity, and it i.e. has preferable sealing effectiveness with observation port by interference fit, with
Time be easy to fill in observation port in and extract in observation port, reduce dismounting difficulty.This sealing-plug 3 is also
Can be cork or other materials is made.
The embodiment of the present invention additionally provides a kind of motor, including rotating shaft 7, bearing block 8, is arranged on rotating shaft 7
And the bearing between bearing block 8 and the bearing cover that is arranged on bearing block 8, this bearing cover is
Bearing cover in any of the above-described embodiment.
Above-mentioned motor uses the bearing cover that the present embodiment provides, and reduces the operation easier of bearing maintenance,
Thus meeting the demand that in narrow and small working place, motor is carried out bearing maintenance, its advantage is by axle
Bearing end cap brings, and concrete refer to part relevant in above-described embodiment, just repeats no more at this.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (7)
1. a bearing cover, it is characterised in that including:
End cap body (1), described end cap body (1) offers can be with the bearing installation cavity (C) of motor
The observation port of connection, described observation port is for detecting bearing and safeguarding；With
The sealing-plug (3) being removably disposed in described observation port, described sealing-plug (3) and described end
Lid body (1) seals and coordinates；
Also include being positioned at described sealing-plug (3) outside, described sealing-plug (3) can being stoped from described sight
The cover plate (6) skidded off in examining hole, described cover plate (6) is removably attached to described end cap body (1)
Outer face on and block described observation port；
Described sealing-plug (3) and described end cap body (1) are sealed by sealing gasket (4) and coordinate, described
Sealing gasket (4) is pressed on described end cap body (1) and described sealing-plug (3) by described cover plate (6)
Junction；
The described sealing-plug of auxiliary (3) it is additionally provided with from described observation on the outer face of described sealing-plug (3)
The projection (31) extracted in hole, and on described cover plate (6), offer what the described projection of confession (31) passed
Perforation.
2. bearing cover as claimed in claim 1, it is characterised in that described cover plate (6) passes through
Hexagon socket cap head screw (5) is fixed on the outer face of described end cap body (1).
3. bearing cover as claimed in claim 1, it is characterised in that the central shaft of described observation port
Line is parallel with the axis of described end cap body (1).
4. bearing cover as claimed in claim 3, it is characterised in that described observation port be oneself away from
One end of bearing is to the bellmouth near bearing tapered at one end, and described sealing-plug (3) is and described bellmouth
The conical plug matched.
5. bearing cover as claimed in claim 4, it is characterised in that the number of described observation port is extremely
It is two less, and described observation port is uniformly distributed along the circumference of described end cap body (1).
6. bearing cover as claimed in claim 4, it is characterised in that described sealing-plug (3) is
It it is interference fit between rubber stopper, and this rubber stopper and described observation port.
7. a motor, including rotating shaft (7), bearing block (8), is arranged on described rotating shaft (7) and institute
Stating the bearing between bearing block (8) and the bearing cover being arranged on described bearing block (8), it is special
Levying and be, described bearing cover is the bearing cover as described in any one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533376.4A CN103532289B (en) | 2013-11-01 | 2013-11-01 | A kind of bearing cover and a kind of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533376.4A CN103532289B (en) | 2013-11-01 | 2013-11-01 | A kind of bearing cover and a kind of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103532289A CN103532289A (en) | 2014-01-22 |
| CN103532289B true CN103532289B (en) | 2016-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310533376.4A Active CN103532289B (en) | 2013-11-01 | 2013-11-01 | A kind of bearing cover and a kind of motor |
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| Country | Link |
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| CN (1) | CN103532289B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524805A (en) * | 2017-09-29 | 2017-12-29 | 贵州云上刺梨花科技有限公司 | A kind of seal for fruit press apparatus |
| CN108022815B (en) * | 2018-01-24 | 2024-05-14 | 安徽锐能科技有限公司 | Fuse base with waterproof function |
| CN109650254A (en) * | 2018-12-27 | 2019-04-19 | 江苏核电有限公司 | A kind of nuclear power station ring hangs horizontal wheels used |
| CN115395708B (en) * | 2021-05-25 | 2023-12-08 | 北京金风科创风电设备有限公司 | Power generation device, maintenance method thereof and wind generating set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238229Y (en) * | 2008-08-06 | 2009-05-13 | 永济新时速电机电器有限责任公司 | Traction motor for locomotive |
| CN102594002A (en) * | 2012-02-28 | 2012-07-18 | 苏州市吴中区东方成套电器设备有限公司 | Bearing end cover |
| CN203537133U (en) * | 2013-11-01 | 2014-04-09 | 南车株洲电机有限公司 | A bearing pedestal end cover and a motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4706922B2 (en) * | 2005-11-14 | 2011-06-22 | 株式会社安川電機 | motor |
| CN202692086U (en) * | 2012-07-02 | 2013-01-23 | 无锡市华通环保设备有限公司 | Front upper guide roller mechanism of scraper slag salvaging machine |
| CN202867580U (en) * | 2012-09-29 | 2013-04-10 | 玉柴船舶动力股份有限公司 | Pre-lubricating, repairing and maintaining device of main bearing cap of diesel engine |
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2013
- 2013-11-01 CN CN201310533376.4A patent/CN103532289B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238229Y (en) * | 2008-08-06 | 2009-05-13 | 永济新时速电机电器有限责任公司 | Traction motor for locomotive |
| CN102594002A (en) * | 2012-02-28 | 2012-07-18 | 苏州市吴中区东方成套电器设备有限公司 | Bearing end cover |
| CN203537133U (en) * | 2013-11-01 | 2014-04-09 | 南车株洲电机有限公司 | A bearing pedestal end cover and a motor |
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| CN103532289A (en) | 2014-01-22 |
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