CN109639023B - Motor capable of preventing oil leakage and temperature rise and method for preventing oil leakage bearing of inner cover and outer cover of motor from temperature rise - Google Patents
Motor capable of preventing oil leakage and temperature rise and method for preventing oil leakage bearing of inner cover and outer cover of motor from temperature rise Download PDFInfo
- Publication number
- CN109639023B CN109639023B CN201811554481.5A CN201811554481A CN109639023B CN 109639023 B CN109639023 B CN 109639023B CN 201811554481 A CN201811554481 A CN 201811554481A CN 109639023 B CN109639023 B CN 109639023B
- Authority
- CN
- China
- Prior art keywords
- bearing
- cover
- motor
- oil
- outer cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000004519 grease Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 11
- 230000001050 lubricating effect Effects 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005065 mining Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 88
- 239000000243 solution Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Frames (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model provides a motor that leak protection oil temperature risen includes casing, end cover, bearing inner cup, bearing enclosing cover, pivot, bearing, stator and rotor, stator, rotor and pivot are joined in marriage and are adorned in the casing, and the bearing inner cup is joined in marriage the rear at the end cover, and the bearing enclosing cover is joined in marriage the place ahead at the end cover, and the bearing is joined in marriage and is adorned in the pivot, and the motor that leak protection oil temperature risen still includes V type oil blanket, and V type oil blanket is joined in marriage and is adorned between bearing inner cup and bearing enclosing cover, sets up the oiling passageway on bearing enclosing cover and the end cover, and the oiling passageway communicates with each other with the bearing room. The invention also provides a method for preventing the temperature rise of the oil leakage bearing of the inner cover and the outer cover of the motor. The invention improves the bearing structure of the motor, well solves the problems of bearing heating and bearing chamber oil leakage of the mining high-power motor, avoids the damage of the motor bearing and reduces the failure rate of the motor.
Description
Technical field:
The invention relates to the technical field of manufacturing of mining motors, in particular to an oil leakage and temperature rise prevention motor and a method for preventing oil leakage bearings of inner and outer covers of the motor from rising.
The background technology is as follows:
In a mining high-power motor, bearing parts are easy to generate heat and leak oil, mechanical faults caused by bearing heat and leak oil of the mining motor account for about 65% of the total mechanical faults, and the bearing leak oil and heat of the mining high-power motor are main reasons for directly causing bearing damage.
The invention comprises the following steps:
In view of this, it is necessary to provide a motor that prevents a rise in oil temperature.
It is also necessary to provide a method for preventing the temperature rise of the oil leakage bearings of the inner cover and the outer cover of the motor.
The utility model provides a motor that leak protection oil temperature risen, includes casing, end cover, bearing inner cup, bearing enclosing cover, pivot, bearing, stator and rotor, and stator, rotor and pivot are joined in marriage and are adorned in the casing, and the bearing inner cup is joined in marriage the rear at the end cover, and the bearing enclosing cover is joined in marriage the place ahead at the end cover, and the bearing is joined in marriage and is adorned in the pivot, its characterized in that: the motor capable of preventing oil leakage and temperature rise further comprises a V-shaped oil seal, the V-shaped oil seal is assembled between the bearing inner cover and the bearing outer cover, oil injection channels are arranged on the bearing outer cover and the end cover, and the oil injection channels are communicated with the bearing chamber.
Preferably, the oiling channel is provided with an oiling nozzle.
Preferably, the inner sides of the bearing inner cover and the bearing outer cover are respectively provided with V-shaped oil seal contact planes.
Preferably, the positioning grooves of the V-shaped oil seal are arranged on the rotating shaft at positions which are away from two sides of the bearing.
Preferably, a mechanical shaft surface oil seal is arranged between the bearing outer cover and the shaft surface of the rotating shaft for water prevention.
Preferably, the bearing outer cover is provided with an oil discharging hole which is communicated with the bearing chamber.
A method for preventing the temperature rise of oil leakage bearings of an inner cover and an outer cover of a motor comprises the following steps:
Step one, respectively processing V-shaped oil seal contact planes on an inner cover and an outer cover of a motor bearing;
step two, processing a positioning groove of a V-shaped oil seal on a motor rotating shaft;
step three, the V-shaped oil seal is arranged in the positioning groove;
step four, the lip part of the V-shaped oil seal is tightly attached to the contact plane of the V-shaped oil seal on the inner side of the bearing inner cover and the bearing outer cover of the motor;
and fifthly, adding lubricating grease through an oil filling nozzle of the outer bearing cover, enabling the lubricating grease to enter a cavity of the inner bearing cover through an oil filling channel, discharging waste oil through an outer cover oil discharging hole of the bearing in bearing operation, and ensuring oil way lubrication of the lubricating grease.
Preferably, the depth of the contact plane of the V-shaped oil seal is 2mm on the inner side of the bearing inner cover and the bearing outer cover.
Preferably, the positioning groove of the V-shaped oil seal is processed in the diameter direction of 2mm in the depth direction on the rotating shaft at the positions which are away from the two sides of the bearing.
In the structural design of the motor capable of preventing oil leakage and temperature rise, the depth of a V-shaped oil seal contact plane is 2mm on the inner side of a bearing inner cover and the inner side of a bearing outer cover, and the depth of a positioning groove of the V-shaped oil seal is 2mm in the diameter direction on the position, which is away from two sides of the bearing, on a rotating shaft. During assembly, the V-shaped soft oil is packaged into the positioning groove, so that the axial movement of the V-shaped oil seal is prevented. The lip parts of the V-shaped oil seal are tightly clung to the smooth V-shaped oil seal contact planes of the inner cover and the outer cover and elastically contact with each other. The oil pressure of the lubricating grease in the rotation of the motor presses the lip part of the V-shaped oil seal, so that friction heating of a contact surface can be prevented, and leakage of internal lubricating oil is prevented. When the motor is maintained, grease is added through the outer cover oil injection cup, the grease enters the bearing inner cover cavity through the oil duct, waste oil is discharged through outer cover oil discharge in bearing operation, and oil way lubrication is ensured. Therefore, the invention improves the bearing structure of the motor, well solves the problems of bearing heating and bearing chamber oil leakage of the mining high-power motor, avoids the damage of the motor bearing and reduces the failure rate of the motor.
Description of the drawings:
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a part of a motor structure for preventing an oil temperature from rising.
In the figure: the bearing comprises an end cover 1, a bearing inner cover 2, a bearing outer cover 3, a rotating shaft 4, a bearing 5, a V-shaped oil seal 6, an oiling channel 7, a bearing chamber 8, an oiling nozzle 9, a positioning groove 10, a mechanical shaft surface oil seal 11 and an oil discharging hole 12.
The specific embodiment is as follows:
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The present invention provides the following specific examples.
Referring to fig. 1, the motor for preventing oil leakage and temperature rise comprises a casing (not shown), an end cover 1, a bearing inner cover 2, a bearing outer cover 3, a rotating shaft 4, a bearing 5, a stator (not shown) and a rotor (not shown), wherein the stator, the rotor and the rotating shaft 4 are assembled in the casing, the bearing inner cover 2 is assembled at the rear of the end cover 1, the bearing outer cover 3 is assembled at the front of the end cover 1, the bearing 5 is assembled on the rotating shaft 4, the motor for preventing oil leakage and temperature rise further comprises a V-shaped oil seal 6, the V-shaped oil seal 6 is assembled between the bearing inner cover 2 and the bearing outer cover 3, an oiling channel 7 is arranged on the bearing outer cover 3 and the end cover 1, and the oiling channel 7 is communicated with a bearing chamber 8.
The oiling channel 7 is provided with an oiling nozzle 9.
The inner sides of the bearing inner cover 2 and the bearing outer cover 3 are respectively provided with V-shaped oil seal 6 contact planes.
And positioning grooves 10 of V-shaped oil seals are arranged on the rotating shaft 4 at two sides away from the bearing 5.
And a mechanical shaft surface oil seal 11 is arranged between the bearing outer cover 3 and the shaft surface of the rotating shaft 4 and is used for waterproofing.
The bearing outer cover 3 is provided with an oil discharging hole 12, and the oil discharging hole 12 is communicated with the bearing chamber 8.
The invention also provides a method for preventing the temperature rise of the oil leakage bearing of the inner cover and the outer cover of the motor, which comprises the following steps:
Step one, respectively processing V-shaped oil seal contact planes on an inner cover and an outer cover of a motor bearing;
step two, processing a positioning groove of a V-shaped oil seal on a motor rotating shaft;
step three, the V-shaped oil seal is arranged in the positioning groove;
step four, the lip part of the V-shaped oil seal is tightly attached to the contact plane of the V-shaped oil seal on the inner side of the bearing inner cover and the bearing outer cover of the motor;
and fifthly, adding lubricating grease through an oil filling nozzle of the outer bearing cover, enabling the lubricating grease to enter a cavity of the inner bearing cover through an oil filling channel, discharging waste oil through an outer cover oil discharging hole of the bearing in bearing operation, and ensuring oil way lubrication of the lubricating grease.
And processing the depth of a V-shaped oil seal contact plane at the inner sides of the bearing inner cover and the bearing outer cover by 2mm.
And 2mm of the depth direction of the positioning groove of the V-shaped oil seal is processed on the rotating shaft at the positions which are away from the two sides of the bearing.
In the structural design of the motor capable of preventing oil leakage and temperature rise, the depth of a V-shaped oil seal contact plane is 2mm on the inner side of a bearing inner cover and the inner side of a bearing outer cover, and the depth of a positioning groove of the V-shaped oil seal is 2mm in the diameter direction on the position, which is away from two sides of the bearing, on a rotating shaft. During assembly, the V-shaped soft oil is packaged into the positioning groove, so that the axial movement of the V-shaped oil seal is prevented. The lip parts of the V-shaped oil seal are tightly clung to the smooth V-shaped oil seal contact planes of the inner cover and the outer cover and elastically contact with each other. The oil pressure of the lubricating grease in the rotation of the motor presses the lip part of the V-shaped oil seal, so that friction heating of a contact surface can be prevented, and leakage of internal lubricating oil is prevented. When the motor is maintained, grease is added through the outer cover oil injection cup, the grease enters the bearing inner cover cavity through the oil duct, waste oil is discharged through outer cover oil discharge in bearing operation, and oil way lubrication is ensured. Therefore, the invention improves the bearing structure of the motor, well solves the problems of bearing heating and bearing chamber oil leakage of the mining high-power motor, avoids the damage of the motor bearing and reduces the failure rate of the motor.
Claims (4)
1. The utility model provides a motor that leak protection oil temperature risen, includes casing, end cover, bearing inner cup, bearing enclosing cover, pivot, bearing, stator and rotor, and stator, rotor and pivot are joined in marriage and are adorned in the casing, and the bearing inner cup is joined in marriage the rear at the end cover, and the bearing enclosing cover is joined in marriage the place ahead at the end cover, and the bearing is joined in marriage and is adorned in the pivot, its characterized in that: the motor capable of preventing oil leakage and temperature rise further comprises a V-shaped oil seal, the V-shaped oil seal is assembled between the bearing inner cover and the bearing outer cover, oil injection channels are arranged on the bearing outer cover and the end cover, and the oil injection channels are communicated with the bearing chamber; an oiling nozzle is assembled on the oiling channel; the inner sides of the bearing inner cover and the bearing outer cover are respectively provided with V-shaped oil seal contact planes; positioning grooves of V-shaped oil seals are formed in the rotating shaft at positions, which are away from two sides of the bearing, of the rotating shaft; a mechanical shaft surface oil seal is arranged between the bearing outer cover and the shaft surface of the rotating shaft and is used for preventing water; the bearing outer cover is provided with an oil discharging hole which is communicated with the bearing chamber.
2. A method for preventing the temperature rise of oil leakage bearings of an inner cover and an outer cover of a motor by adopting the motor with the oil leakage temperature rise prevention function as claimed in claim 1, which is characterized in that: the method for preventing the temperature rise of the oil leakage bearings of the inner cover and the outer cover of the motor comprises the following steps:
Step one, respectively processing V-shaped oil seal contact planes on an inner cover and an outer cover of a motor bearing;
step two, processing a positioning groove of a V-shaped oil seal on a motor rotating shaft;
step three, the V-shaped oil seal is arranged in the positioning groove;
step four, the lip part of the V-shaped oil seal is tightly attached to the contact plane of the V-shaped oil seal on the inner side of the bearing inner cover and the bearing outer cover of the motor;
and fifthly, adding lubricating grease through an oil filling nozzle of the outer bearing cover, enabling the lubricating grease to enter a cavity of the inner bearing cover through an oil filling channel, discharging waste oil through an outer cover oil discharging hole of the bearing in bearing operation, and ensuring oil way lubrication of the lubricating grease.
3. A method for preventing the temperature rise of an oil leakage bearing of an inner cover and an outer cover of a motor as claimed in claim 2, wherein: and processing the depth of a V-shaped oil seal contact plane at the inner sides of the bearing inner cover and the bearing outer cover by 2mm.
4. A method for preventing the temperature rise of an oil leakage bearing of an inner cover and an outer cover of a motor as claimed in claim 3, wherein: and 2mm of the depth direction of the positioning groove of the V-shaped oil seal is processed on the rotating shaft at the positions which are away from the two sides of the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554481.5A CN109639023B (en) | 2018-12-19 | 2018-12-19 | Motor capable of preventing oil leakage and temperature rise and method for preventing oil leakage bearing of inner cover and outer cover of motor from temperature rise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554481.5A CN109639023B (en) | 2018-12-19 | 2018-12-19 | Motor capable of preventing oil leakage and temperature rise and method for preventing oil leakage bearing of inner cover and outer cover of motor from temperature rise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109639023A CN109639023A (en) | 2019-04-16 |
| CN109639023B true CN109639023B (en) | 2024-05-14 |
Family
ID=66075208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811554481.5A Active CN109639023B (en) | 2018-12-19 | 2018-12-19 | Motor capable of preventing oil leakage and temperature rise and method for preventing oil leakage bearing of inner cover and outer cover of motor from temperature rise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109639023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117595560A (en) * | 2024-01-19 | 2024-02-23 | 河北亿泰克轴承有限公司 | Bearing assembly and motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980013742U (en) * | 1996-08-31 | 1998-06-05 | 구자홍 | Grease leakage prevention structure of motor |
| KR19980054216U (en) * | 1996-12-31 | 1998-10-07 | 이종수 | Grease leakage prevention structure of motor |
| CN201854123U (en) * | 2010-07-26 | 2011-06-01 | 宁夏西北骏马电机制造股份有限公司 | Oil-leakage prevention mechanical seal for bearing of explosion-proof motor |
| CN205610394U (en) * | 2016-04-21 | 2016-09-28 | 株洲联诚集团有限责任公司 | Upright motor bearing leak protection oil structure |
| CN206250880U (en) * | 2016-11-28 | 2017-06-13 | 宁夏西北骏马电机制造股份有限公司 | Bearing chamber has the explosion separation motor of water-proof function |
| CN107342647A (en) * | 2017-07-28 | 2017-11-10 | 卧龙电气集团股份有限公司 | A kind of composite anti-explosion type threephase asynchronous |
| CN209299038U (en) * | 2018-12-19 | 2019-08-23 | 宁夏西北骏马电机制造股份有限公司 | The motor of oil-leakage-prevention temperature rise |
-
2018
- 2018-12-19 CN CN201811554481.5A patent/CN109639023B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980013742U (en) * | 1996-08-31 | 1998-06-05 | 구자홍 | Grease leakage prevention structure of motor |
| KR19980054216U (en) * | 1996-12-31 | 1998-10-07 | 이종수 | Grease leakage prevention structure of motor |
| CN201854123U (en) * | 2010-07-26 | 2011-06-01 | 宁夏西北骏马电机制造股份有限公司 | Oil-leakage prevention mechanical seal for bearing of explosion-proof motor |
| CN205610394U (en) * | 2016-04-21 | 2016-09-28 | 株洲联诚集团有限责任公司 | Upright motor bearing leak protection oil structure |
| CN206250880U (en) * | 2016-11-28 | 2017-06-13 | 宁夏西北骏马电机制造股份有限公司 | Bearing chamber has the explosion separation motor of water-proof function |
| CN107342647A (en) * | 2017-07-28 | 2017-11-10 | 卧龙电气集团股份有限公司 | A kind of composite anti-explosion type threephase asynchronous |
| CN209299038U (en) * | 2018-12-19 | 2019-08-23 | 宁夏西北骏马电机制造股份有限公司 | The motor of oil-leakage-prevention temperature rise |
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| Publication number | Publication date |
|---|---|
| CN109639023A (en) | 2019-04-16 |
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