CN2268152Y - Vertical high-speed motor oil lubrication sealing device - Google Patents
Vertical high-speed motor oil lubrication sealing device Download PDFInfo
- Publication number
- CN2268152Y CN2268152Y CN 96236350 CN96236350U CN2268152Y CN 2268152 Y CN2268152 Y CN 2268152Y CN 96236350 CN96236350 CN 96236350 CN 96236350 U CN96236350 U CN 96236350U CN 2268152 Y CN2268152 Y CN 2268152Y
- Authority
- CN
- China
- Prior art keywords
- oil
- fixed
- leads
- bearing
- motor shaft
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 238000005461 lubrication Methods 0.000 title abstract description 6
- 239000010705 motor oil Substances 0.000 title 1
- 238000012856 packing Methods 0.000 claims description 16
- 239000002828 fuel tank Substances 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract 2
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 12
- 230000003137 locomotive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model belongs to high-speed motor's lubricated sealed. The method is characterized in that: the umbrella-shaped dynamic sealing ring fixed on the motor shaft and the static sealing ring fixed on the bearing seat form an axial labyrinth dynamic seal which respectively lubricates the upper bearing and the lower bearing. The cup-shaped dynamic sealing ring fixed on the motor shaft and the static sealing ring fixed on the bearing seat form an axial labyrinth dynamic seal, and an isolation cavity is arranged between the cup-shaped dynamic sealing ring and the axial labyrinth dynamic seal of the lubricated lower bearing and communicated with an external air outlet. An oil throwing cup is arranged in the inner cavity of the starting end of the lower bearing seat and is fixed on a motor shaft. The utility model discloses a multiple dynamic seal mode, the airtight circulation circuit of lubricating oil and increased the isolation chamber, motor lubrication is sealed effectual.
Description
The utility model relates to a kind of lubrication and seal of high-speed electric expreess locomotive, particularly a kind of vertical and high-speed dynamo oil lubricating and sealing device that is used for the electronic sprinkler head of centrifugal drier.
The electronic sprinkler head of centrifugal drier adopts common electric machine to add speeder usually, or the high-speed electric expreess locomotive of employing grease lubrication is as prime mover.Big, the Heavy Weight of speeder volume uses and the maintenance and repair inconvenience like this; The bearing of grease lubrication high-speed electric expreess locomotive is short working life, and maintenance and repair is frequent, unstable properties, and the requirement that has even can not satisfy proper functioning has limited the application of high-speed electric expreess locomotive in the dryer industry.
The purpose of this utility model provides a kind of vertical and high-speed dynamo oil lubricating and sealing device, can prevent that lubricant oil from entering under dynamic and static state influences motor operation in the motor cavity, leak in the dryer and pollute, also can stop the interior feed liquid of dryer to enter motor, improve bearing working life, make motor performance stable, improve motor working life.
The utility model comprises motor, motor shaft, upper and lower bearing support, bearing support cover, umbrella rotary packing ring, stationary seal ring, the cup-shaped rotary packing ring, oil slinger, be characterized in: the umbrella rotary packing ring that is fixed on the motor shaft constitutes axial mazy type motive sealing with the stationary seal ring that is fixed on the bearing support, lubricated upper and lower bearing; The cup-shaped rotary packing ring that is fixed on the motor shaft constitutes axial mazy type motive sealing with the stationary seal ring that is fixed on the step, and and the axial mazy type motive sealing of lubricated lower bearing between be provided with separate cavities, communicate with air outlet hole.Inner chamber is equipped with oil slinger at the top of step, is fixed on the motor shaft.The turnover oil pipe is housed on the bearing support cover; One end of oil inlet pipe leads to fuel tank, and its other end leads to the inner chamber of bearing support cover, and an end of oil outlet tube leads to oil pump, and its other end leads to the inner chamber of stationary seal ring by the oilhole of step.One side upper and lower part of step is equipped with the turnover oil pipe respectively, and an end of oil inlet pipe leads to fuel tank, and its other end leads to the bearing support inner chamber of lower bearing upper end; One end of another oil outlet tube leads to oil pump, and its other end leads to the inner chamber of bearing support of the lower end of lower bearing.
The utility model is owing to adopted the mode of multiple motive sealing, lubricant oil sealing and circulating loop and increased separate cavities, the motor lubrication and seal is respond well, has solved the difficult problem of the oil leak of high-speed electric expreess locomotive under dynamic and static state effectively, the working life of having improved motor.Make that the electronic sprinkler head of dryer can long-term work, maintenance and repair is convenient and reliable, has reduced manufacturing, the user cost of dryer, and economic benefit is obvious.
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing is the utility model structural representation.
In the accompanying drawings: the electric machine casing two ends connect upper bearing bracket 13 respectively, step 23, upper bearing bracket 13 is provided with the step bearing hole, bearing 14 is housed, by motor shaft 18, umbrella rotary packing ring 12 is housed below the upper bearing (metal) 14, be fixed on the motor shaft 18, stationary seal ring 11 is housed below the bearing support 13, be fixed on the bearing support 13, one end of the motor shaft 18 on the motor 17 is fixing by nut 21, and coupling shaft bearing cover 22 above the bearing support 13 is equipped with oil inlet pipe 15 on the bearing support cover 22, oil outlet tube 16, one end of oil inlet pipe 15 leads to fuel tank 9, and its other end leads to the inner chamber of bearing support cover 22; One end of oil outlet tube 16 leads to oil pump 7, and its other end leads to the inner chamber of stationary seal ring 11 by the oil pipe hole of upper bearing bracket 13.Lubricant oil enters from oil inlet pipe 15, by oil pump 7 powerful sucking-offs, constitutes lubricated sealing and circulating loop from oil outlet tube 16, lubricated and cooling upper bearing (metal) 14.Be fixed on umbrella rotary packing ring 12 and the stationary seal ring 11 that is fixed on the upper bearing bracket 13 on the motor shaft 18, constitute axial labyrinth seal, lubricated upper bearing (metal) 14; Umbrella rotary packing ring 12 prevents that under the motor state of rest lubricant oil from directly overflowing in the labyrinth ditch of motive sealing, because its external diameter is bigger, lubricant oil is forced to motion all around under action of centrifugal force under motor 17 operating conditions.Stationary seal ring 11 can also form with the bottom of upper bearing bracket 13 and hold oil pocket except sealing.
Step 23 is provided with the step bearing hole, and lower bearing 19 is housed, by motor shaft 18, at the top of step 23 oil slinger 10 is housed, be fixed on the motor shaft 18, its effect is to prevent that counter the letting out of lubricant oil from entering motor 17, avoids lubricant oil enters influences motor in motor 17 chambeies operation.Bearing block 24 is housed below lower bearing 19, is fixed in the hole of step 23, and umbrella rotary packing ring 6 is housed, be fixed on the motor shaft 18; End at step 23 is equipped with stationary seal ring 4, constitutes axial mazy type motive sealing, lubricated lower bearing 19.And connect stationary seal ring 2, at the output terminal of motor shaft 18 dryer 1 is housed.Stationary seal ring 2 is provided with step hole, cup-shaped rotary packing ring 3 is housed in the hole, be fixed on the motor shaft 18, constitute axial motive sealing, and and the axial mazy type motive sealing of lubricated lower bearing 19 between be provided with separate cavities 20, communicate with extraneous air outlet hole 25, its effect is to avoid sprinkler head to produce powerful negative pressure when running up, with lubricant oil sucking-off in the sealing ditch of stationary seal ring 3, enter in the dryer 1 and pollute.In the upper and lower part of step 23 1 sides oil inlet pipe 8, oil outlet tube 5 are housed respectively, an end of oil inlet pipe 8 leads to fuel tank 9, and its other end leads to the inner chamber of the step 23 of lower bearing 19 upper ends; One end of oil outlet tube 5 leads to oil pump 7, and its other end leads to the inner chamber of the step 23 of lower bearing 19 lower ends.Lubricant oil enters from oil inlet pipe 8, by oil pump 7 powerful sucking-offs, constitutes lubricant oil sealing and circulating loop from oil outlet tube 5, lubricated and cooling lower bearing 19.The effect of umbrella rotary packing ring 6 is to prevent that under motor 17 state of rest lubricant oil from directly overflowing in the labyrinth ditch of motive sealing, and under motor 17 operating conditions, because its external diameter is bigger, lubricant oil is forced to motion all around under action of centrifugal force.Stationary seal ring 4 can also form with the inner chamber of step 23 and hold oil pocket except sealing.The cup-shaped rotary packing ring 3 that is fixed on the motor shaft 18 constitutes axial mazy type motive sealing with the stationary seal ring 2 that is fixed on the step 23, and its effect is to stop that counter the letting out of feed liquid enters motor 17 in the dryer 1, reduces bearing working life.
Claims (3)
1. a vertical and high-speed dynamo oil lubricating and sealing device comprises motor (17), motor shaft (18), bearing support (13), step (23), bearing support cover (22), umbrella rotary packing ring (12), (6), stationary seal ring (11), (4), (2), cup-shaped rotary packing ring (3), oil slinger (10) is characterized in that:
A. the umbrella rotary packing ring (12) that is fixed on the motor shaft 18 constitutes axial mazy type motive sealing with the stationary seal ring (11) that is fixed on the upper bearing bracket (13), lubricated upper bearing (metal) (14);
B. the umbrella rotary packing ring (6) that is fixed on the motor shaft 18 constitutes axial mazy type motive sealing with the stationary seal ring (4) that is fixed on the step (23), lubricated lower bearing (19);
C. the cup-shaped rotary packing ring (3) that is fixed on the motor shaft (18) constitutes axial mazy type motive sealing with the stationary seal ring (2) that is fixed on the step (23), and and the axial mazy type motive sealing of lubricated lower bearing (19) between be provided with separate cavities (20), communicate with air outlet hole (25);
D. the top inner chamber at step (23) is equipped with oil slinger (10), is fixed on the motor shaft (18).
2. vertical and high-speed dynamo oil lubricating and sealing device according to claim 1, it is characterized in that: oil inlet pipe (15), oil outlet tube (16) are housed on the bearing support cover (22), one end of oil inlet pipe (15) leads to fuel tank (9), its the other end leads to the inner chamber of bearing support cover (22), one end of oil outlet tube (16) leads to oil pump (7), its the other end is by the oil pipe hole of upper bearing bracket (13), the inner chamber that leads to stationary seal ring (11).
3. vertical and high-speed dynamo oil lubricating and sealing device according to claim 1, it is characterized in that: the upper and lower part of step (23) one sides is equipped with oil inlet pipe (8), oil outlet tube (5) respectively, one end of oil inlet pipe (8) leads to fuel tank (9), its the other end leads to the inner chamber of the bearing support (23) of lower bearing (19) upper end, one end of oil outlet tube (5) leads to oil pump (7), and its other end leads to the inner chamber of the step (23) of lower bearing (19) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96236350 CN2268152Y (en) | 1996-10-14 | 1996-10-14 | Vertical high-speed motor oil lubrication sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96236350 CN2268152Y (en) | 1996-10-14 | 1996-10-14 | Vertical high-speed motor oil lubrication sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2268152Y true CN2268152Y (en) | 1997-11-19 |
Family
ID=33912200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96236350 Expired - Fee Related CN2268152Y (en) | 1996-10-14 | 1996-10-14 | Vertical high-speed motor oil lubrication sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2268152Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699719B (en) * | 2009-11-10 | 2011-11-30 | 无锡哈电电机有限公司 | Vertical motor |
| CN103746503A (en) * | 2013-12-31 | 2014-04-23 | 沈阳远大科技电工有限公司 | Two-way thrust bearing for vertical motor |
| CN104455331A (en) * | 2014-09-29 | 2015-03-25 | 北京航天动力研究所 | Vertical self-lubricating heavy-load high-speed-increase gearbox |
-
1996
- 1996-10-14 CN CN 96236350 patent/CN2268152Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699719B (en) * | 2009-11-10 | 2011-11-30 | 无锡哈电电机有限公司 | Vertical motor |
| CN103746503A (en) * | 2013-12-31 | 2014-04-23 | 沈阳远大科技电工有限公司 | Two-way thrust bearing for vertical motor |
| CN104455331A (en) * | 2014-09-29 | 2015-03-25 | 北京航天动力研究所 | Vertical self-lubricating heavy-load high-speed-increase gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |