CN108494144A - A kind of axle sealing structure of the grease lubrication of motor axis - Google Patents
A kind of axle sealing structure of the grease lubrication of motor axis Download PDFInfo
- Publication number
- CN108494144A CN108494144A CN201810435701.6A CN201810435701A CN108494144A CN 108494144 A CN108494144 A CN 108494144A CN 201810435701 A CN201810435701 A CN 201810435701A CN 108494144 A CN108494144 A CN 108494144A
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- China
- Prior art keywords
- shaft
- oil
- bearing
- sealing
- skeleton
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of axle sealing structures of the grease lubrication of motor axis, including end cover mechanism, protecgulum, motor case, rear cover and immersion oil skeleton, it is equipped with shaft in the motor case, shaft one end is set as the shaft output end other end and is set as shaft input terminal, it is welded with immersion oil skeleton in the shaft, bearing A and bearing B are installed outside immersion oil skeleton；The motor case front side integral formula connects protecgulum, and end cover mechanism is equipped between protecgulum and shaft output end, and integral type connects rear cover on rear side of the motor case, and felt collar oil sealing is equipped between rear cover and shaft input terminal；The stability of shaft rotation is increased, the lubricant effect of shaft rotation is improved, the connecting sewing of composition is in the end cover mechanism of labyrinth shape combination, and countershaft output end is sealed, and sealing effect is good, and lubricating grease will not be leaked out from end cover mechanism side.
Description
Technical field
The present invention relates to motor technology field, the sealing knot of the grease lubrication of specifically a kind of motor axis
Structure.
Background technology
Currently, the usually used sealing ring of motor rotary shaft is mostly single layer sealing ring, in the periphery of axis, only there are one close for set
Seal ring cannot all reach the requirement of protection when shaft rotation is dynamic and static, and sealing effect is not fine.Therefore, it is easy to make
Axis is worn, and has seriously affected sealing effect and service life.This shaft using single water proof ring or single oil sealing is close
Seal structure sealing performance is general, and the abrasion of countershaft is larger, is easy fever and damages, it is difficult to improve the permanent seal of shaft
Performance
Therefore, for the bearing most cases of motor using the bearing for enclosing lubricating grease, lubricating grease has the service life, according to load, temperature,
Rotary speed determines.Therefore using new lubricating grease is fed before lubricating grease reaches the service life, the structure of old lubricating grease is discharged
Lubricating grease changable electric motivation in commercial motor by commercialization.Grease can be injected and is discharged therefore, it is necessary to one kind
The axle sealing structure of lubrication improves the service life and sealing performance of motor axis, reduces abrasion, improves the stabilization of rotation
Property.
Invention content
It is above-mentioned to solve the purpose of the present invention is to provide a kind of axle sealing structure of the grease lubrication of motor axis
The problem of being proposed in background technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of axle sealing structure of the grease lubrication of motor axis, including end cover mechanism, protecgulum, motor case,
Rear cover and immersion oil skeleton, shaft is equipped in the motor case, and shaft one end is set as the shaft output end other end and is set as turning
Axis input terminal is welded with immersion oil skeleton in the shaft, bearing A and bearing B is equipped with outside immersion oil skeleton；The engine casing (Eng Cas)
Shell front side integral formula connects protecgulum, is equipped with end cover mechanism between protecgulum and shaft output end, after the motor case
Side integral type connects rear cover, and felt collar oil sealing is equipped between rear cover and shaft input terminal；The end cover mechanism, protecgulum, electricity
The shoe cream room of sealing is surrounded between motivation case and rear cover and the shaft.
As a further solution of the present invention：The shaft input terminal is connected with motor, shaft output end with driven
Equipment is connected.
As a further solution of the present invention：The immersion oil skeleton rounded tubular structure opens up on immersion oil skeleton side wall
There are several immersion oil holes, immersion oil chamber is surrounded between immersion oil skeletal internal and shaft.
As a further solution of the present invention：The bearing A and bearing B is ball bearing, and immersion oil skeleton is set in axis
In the inner ring for holding A and bearing B, the outer end of bearing A and bearing B are connect with engine casing (Eng Cas) shell phase.
As a further solution of the present invention：Inlet nozzle is equipped on the upside of the rear cover, inlet nozzle passes through oil inlet passage and storage
Oil pocket is connected to, and oil outlet is equipped on the downside of rear cover, and oil outlet is connected to by oil discharge passage with shoe cream room.
As a further solution of the present invention：The end cover mechanism by lock bolt, sealing ring, end cap, gasket,
Locking pin and annular axial plane oil sealing composition.
As a further solution of the present invention：The annular axial plane oil-sealing sleeve is located on shaft output end, annular axial plane oil
Envelope is fixedly connected with end cap by the pin that locks, and connects sealing ring on the outside of end cap and annular axial plane oil sealing, sealing ring passes through lock bolt
Protecgulum is connected, the sealing ring connects gasket by anchor studs, to constitute the sealed end that connecting sewing is in labyrinth shape combination
Lid mechanism.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of grease lubrication of motor axis
Axle sealing structure, by the oil storage for surrounding sealing between end cover mechanism, protecgulum, motor case and rear cover and the shaft
Chamber, inside are set as the stability that bearing A and bearing B increases shaft rotation, and lubricant grease infiltrates immersion oil intracavitary shaft, improves
The lubricant effect of shaft rotation, also, the connecting sewing constituted is in the end cover mechanism of labyrinth shape combination, countershaft output end
It is sealed, sealing effect is good, and lubricating grease will not be leaked out from end cover mechanism side.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of end cover mechanism in the present invention.
In figure：1- shafts output end, 2- shafts input terminal, 3- end covers mechanism, 4- protecgulums, 5- motor case, 6-
Inlet nozzle, 7- oil inlet passages, 8- rear covers, 9- felt collars oil sealing, 10- shoe cream rooms, 11- immersion oil skeleton, 12- bearings B, 13- are fuel-displaced logical
Road, 14- oil outlets, 15- immersion oil hole, 16- bearing A, 17- immersion oil chamber, 18- lock bolts, 19- sealing rings, 20- end caps, 21- are close
Packing, 22- lockings pin, 23- annular axial planes oil sealing, 24- anchor studs.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~2, in the embodiment of the present invention, a kind of axle sealing structure of the grease lubrication of motor axis, packet
End cover mechanism 3, protecgulum 4, motor case 5, rear cover 8 and immersion oil skeleton 11 are included, is equipped with and turns in the motor case 5
Axis, shaft one end are set as 1 other end of shaft output end and are set as shaft input terminal 2, and the shaft input terminal 2 is connected with motor,
Shaft output end 1 is connected with driven equipment；Immersion oil skeleton 11,11 rounded tubular knot of immersion oil skeleton are welded in the shaft
Structure offers several immersion oil holes 15 on 11 side wall of immersion oil skeleton, immersion oil chamber 17 is surrounded between 11 inside of immersion oil skeleton and shaft.
Bearing A16 and bearing B12 are installed, bearing A16 and bearing B12 are ball axis outside the immersion oil skeleton 11
It holds, immersion oil skeleton 11 is set in the inner ring of bearing A16 and bearing B12, and the outer end of bearing A16 and bearing B12 are and motor
Case 5 is connected, and increases the stability of shaft rotation；5 front side integral formula of the motor case connect protecgulum 4, protecgulum 4 with
End cover mechanism 3 is installed between shaft output end 1,5 rear side integral type of the motor case connects rear cover 8, rear cover 8 with
Felt collar oil sealing 9 is installed between shaft input terminal 2；The end cover mechanism 3, protecgulum 4, motor case 5 and rear cover 8 and institute
State the shoe cream room 10 that sealing is surrounded between shaft.
8 upside of the rear cover is equipped with inlet nozzle 6, and inlet nozzle 6 is connected to by oil inlet passage 7 with shoe cream room 10,8 downside of rear cover
Equipped with oil outlet 14, oil outlet 14 is connected to by oil discharge passage 13 with shoe cream room 10, and when the spindle is rotated, lubricant grease is by oil inlet
Mouth 6 inputs, and is exported by oil outlet 14 after shaft infiltration in by immersion oil chamber 17, improves the lubricant effect of shaft rotation.
The end cover mechanism 3 is by lock bolt 18, sealing ring 19, end cap 20, gasket 21, locking pin 22 and annular
Axial plane oil sealing 23 forms, and the annular axial plane oil sealing 23 is set on shaft output end 1, and annular axial plane oil sealing 23 is sold by locking
22 are fixedly connected with end cap 20, and end cap 20 and annular 23 outside of axial plane oil sealing connect sealing ring 19, and sealing ring 19 passes through lock bolt
18 connection protecgulums 4, the sealing ring 19 connect gasket 21 by anchor studs 24, are combined in labyrinth shape to constitute connecting sewing
End cover mechanism 3, countershaft output end 1 is sealed, and sealing effect is good, and lubricating grease will not be from end cover mechanism 3 one
Side leakage goes out.
The invention is not limited in above-described embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing performing creative labour
A little simple modification, equivalent change and modifications, belong in the range of technical solution of the present invention.
In the description of this specification, it should be noted that unless otherwise clearly defined and limited, term " setting ",
" connected " and " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Claims (7)
1. a kind of axle sealing structure of the grease lubrication of motor axis, including it is end cover mechanism (3), protecgulum (4), electronic
Hood shell (5), rear cover (8) and immersion oil skeleton (11), which is characterized in that be equipped with shaft, shaft in the motor case (5)
One end is set as shaft output end (1) other end and is set as shaft input terminal (2), and immersion oil skeleton (11) is welded in the shaft, leaching
Bearing A (16) and bearing B (12) are installed outside oily skeleton (11)；Motor case (5) the front side integral formula connects protecgulum
(4), end cover mechanism (3), motor case (5) the rear side one are installed between protecgulum (4) and shaft output end (1)
Formula connects rear cover (8), and felt collar oil sealing (9) is equipped between rear cover (8) and shaft input terminal (2)；The end cover mechanism
(3), the shoe cream room (10) of sealing is surrounded between protecgulum (4), motor case (5) and rear cover (8) and the shaft.
2. a kind of axle sealing structure of the grease lubrication of motor axis according to claim 1, which is characterized in that institute
It states shaft input terminal (2) with motor to be connected, shaft output end (1) is connected with driven equipment.
3. a kind of axle sealing structure of the grease lubrication of motor axis according to claim 1, which is characterized in that institute
Immersion oil skeleton (11) rounded tubular structure is stated, several immersion oil holes (15), immersion oil skeleton are offered on immersion oil skeleton (11) side wall
(11) immersion oil chamber (17) is surrounded between internal and shaft.
4. a kind of axle sealing structure of the grease lubrication of motor axis according to claim 3, which is characterized in that institute
It is ball bearing to state bearing A (16) and bearing B (12), and immersion oil skeleton (11) is set in the interior of bearing A (16) and bearing B (12)
In circle, the outer end of bearing A (16) and bearing B (12) are connected with motor case (5).
5. a kind of axle sealing structure of the grease lubrication of motor axis according to claim 1, which is characterized in that institute
It states and is equipped with inlet nozzle (6) on the upside of rear cover (8), inlet nozzle (6) is connected to by oil inlet passage (7) with shoe cream room (10), under rear cover (8)
Side is equipped with oil outlet (14), and oil outlet (14) is connected to by oil discharge passage (13) with shoe cream room (10).
6. a kind of axle sealing structure of the grease lubrication of motor axis according to claim 1, which is characterized in that institute
End cover mechanism (3) is stated by lock bolt (18), sealing ring (19), end cap (20), gasket (21), locking pin (22) and ring
Shape axial plane oil sealing (23) forms.
7. a kind of axle sealing structure of the grease lubrication of motor axis according to claim 6, which is characterized in that institute
It states annular axial plane oil sealing (23) to be set on shaft output end (1), annular axial plane oil sealing (23) sells (22) fixed company by locking
End cap (20) is connect, connects sealing ring (19) on the outside of end cap (20) and annular axial plane oil sealing (23), sealing ring (19) passes through the spiral shell that locks
Bolt (18) connects protecgulum (4), and the sealing ring (19) connects gasket (21) by anchor studs (24), is in constitute connecting sewing
The end cover mechanism (3) of labyrinth shape combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435701.6A CN108494144B (en) | 2018-05-04 | 2018-05-04 | Grease lubricated shaft sealing structure of motor transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435701.6A CN108494144B (en) | 2018-05-04 | 2018-05-04 | Grease lubricated shaft sealing structure of motor transmission shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108494144A true CN108494144A (en) | 2018-09-04 |
| CN108494144B CN108494144B (en) | 2020-04-07 |
Family
ID=63353183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810435701.6A Active CN108494144B (en) | 2018-05-04 | 2018-05-04 | Grease lubricated shaft sealing structure of motor transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108494144B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194003A (en) * | 2018-11-02 | 2019-01-11 | 中车永济电机有限公司 | Motor bearing installation structure |
| CN110932454A (en) * | 2019-11-20 | 2020-03-27 | 珠海凯邦电机制造有限公司 | Motor end cover and motor with same |
| CN115163933A (en) * | 2022-05-30 | 2022-10-11 | 江门市鑫辉特种密封科技有限公司 | Double-end-face feeding and discharging pipe sealing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223005A (en) * | 2010-04-13 | 2011-10-19 | 德昌电机(深圳)有限公司 | Rotor bearing arrangement |
| CN102231583A (en) * | 2011-06-29 | 2011-11-02 | 宁夏西北骏马电机制造股份有限公司 | Motor shaft extension end sealing structure and motor |
| CN202309327U (en) * | 2011-09-30 | 2012-07-04 | 江苏清江电机制造有限公司 | Oil leakage prevention structure of large and medium high-speed motor sliding bearing |
| CN204794633U (en) * | 2015-07-10 | 2015-11-18 | 钟祥新宇机电制造股份有限公司 | High -frequency vibration motor containing bearing oil mist lubricating structure |
| CN207278846U (en) * | 2017-10-12 | 2018-04-27 | 山西煤炭职业技术学院 | A kind of multiple axial mechanical labyrinth formula sealing structure in mining gear reducer shaft end |
-
2018
- 2018-05-04 CN CN201810435701.6A patent/CN108494144B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223005A (en) * | 2010-04-13 | 2011-10-19 | 德昌电机(深圳)有限公司 | Rotor bearing arrangement |
| CN102231583A (en) * | 2011-06-29 | 2011-11-02 | 宁夏西北骏马电机制造股份有限公司 | Motor shaft extension end sealing structure and motor |
| CN202309327U (en) * | 2011-09-30 | 2012-07-04 | 江苏清江电机制造有限公司 | Oil leakage prevention structure of large and medium high-speed motor sliding bearing |
| CN204794633U (en) * | 2015-07-10 | 2015-11-18 | 钟祥新宇机电制造股份有限公司 | High -frequency vibration motor containing bearing oil mist lubricating structure |
| CN207278846U (en) * | 2017-10-12 | 2018-04-27 | 山西煤炭职业技术学院 | A kind of multiple axial mechanical labyrinth formula sealing structure in mining gear reducer shaft end |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194003A (en) * | 2018-11-02 | 2019-01-11 | 中车永济电机有限公司 | Motor bearing installation structure |
| CN110932454A (en) * | 2019-11-20 | 2020-03-27 | 珠海凯邦电机制造有限公司 | Motor end cover and motor with same |
| CN115163933A (en) * | 2022-05-30 | 2022-10-11 | 江门市鑫辉特种密封科技有限公司 | Double-end-face feeding and discharging pipe sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108494144B (en) | 2020-04-07 |
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