CN103475135A - Oil filtration prevention end cap used for super-power motor - Google Patents
Oil filtration prevention end cap used for super-power motor Download PDFInfo
- Publication number
- CN103475135A CN103475135A CN2013104388219A CN201310438821A CN103475135A CN 103475135 A CN103475135 A CN 103475135A CN 2013104388219 A CN2013104388219 A CN 2013104388219A CN 201310438821 A CN201310438821 A CN 201310438821A CN 103475135 A CN103475135 A CN 103475135A
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- Prior art keywords
- end cap
- power motor
- end cover
- cage
- oil strain
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- 238000001914 filtration Methods 0.000 title abstract 7
- 230000002265 prevention Effects 0.000 title abstract 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sliding-Contact Bearings (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses an oil filtration prevention end cap used for a super-power motor. The oil filtration prevention end cap comprises a lower end cap body, an upper end cap body, a shielding can and a louver, wherein the upper end cap body is connected with the lower end cap body through seam-butting plates, the shielding can is fixed to the upper end cap body and connected with the lower end cap body, and the louver is arranged outside the shielding can. The lower end cap is used for installation of a base type sliding bearing supporting platform and simultaneously combined with the shielding can to isolate a sliding bearing from a negative pressure zone inside a motor so that oil filtration can be prevented. When the oil filtration prevention end cap is used in the large-power high-speed motor, the normal oil filtration problem of the sliding bearing caused by negative pressure is effectively solved, and the operation cost and the maintenance cost of a user are reduced. Meanwhile, the split type end cap brings convenience to dynamic balancing of the whole machine, and the oil filtration prevention end cap has the advantages of being easy to operate, low in cost, reliable in operation and the like.
Description
Technical field
The invention belongs to technical field of motors, relate to a kind of end cap, relate in particular to power at the above super high power high-speed asynchronous motor of 10000kW end cap.
Background technology
At present, the sliding bearing of high power motor has two kinds, seat formula sliding bearing and end cover type seat formula sliding bearing, on the sliding bearing installation of seat formula and motor base, thereby increased the axial dimension of motor, amount of deflection to motor is disadvantageous, therefore less employing in high-speed electric expreess locomotive, end cover type seat formula sliding bearing is installed on the support platform of end cap, as shown in Figure 1, it takes up room less, can shorten the axial dimension of motor, amount of deflection and critical whirling speed to motor are all favourable, thereby are extensively met the tendency on the Large-power High-Speed motor.And the internal fan of Large-power High-Speed motor is generally the rotary propeller type aerofoil fan, can form very large negative pressuren zone between fan and internal bearing cover, make the oil gas in bearing pass through the sealing gland lid on internal bearing cover, suck motor internal, destroy electrical machine insulation and cause electrical fault, cause very large maintenance cost to the client, and greatly waste lubricating oil.
Large-power High-Speed motor rotor weight is large, rotating speed is high, usually the restriction that is subject to balancing equipment can't be done balance at full speed, the gimbal of reserved overall dynamic-balance seems and is necessary in the extreme, when overall dynamic-balance, facilitate, add reliably, subtract and the adjustment piece, just need to carry out particular design to electric motor end cap.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, anti-oil strain end cap for a kind of super high power motor is provided, can prevent the formation of negative pressuren zone between Large-power High-Speed asynchronous motor fan and internal bearing cover, effectively solve Large-power High-Speed asynchronous motor sliding bearing oil strain problem.
For achieving the above object, the present invention solves by the following technical programs:
Anti-oil strain end cap for this super high power motor, comprise upper end cover, the bottom end cover connected by the joint close plate, be fixed on bottom end cover with upper end cover on cage, be located at the blind window in the cage outside.
Above-mentioned bottom end cover is for the support platform of mount pad formula sliding bearing, is provided with to improve six brace rods of the integral rigidity of end cap in the support platform bottom.
Above-mentioned bottom end cover is by seat formula sliding bearing the latter half and negative pressuren zone isolation.
Above-mentioned cage is for can guarantee that cooling air enters the streamlined of motor internal smoothly.
Further, air enters described blind window balance cage internal pressure.
Above cage and the hot jacket gimbal radial clearance on machine shaft is 5mm.
Further, the gimbal of hot jacket in rotating shaft is processed with the annular groove for overall dynamic-balance; Be equiped with balance weight on annular groove.
The present invention has following beneficial effect:
Anti-oil strain end cap for super high power motor of the present invention, the upper end cover, the bottom end cover that by the joint close plate, connect; Bottom end cover is for mount pad formula sliding bearing support platform, be installed on the cage of upper end cover and bottom end cover partly combine by sliding bearing and negative pressuren zone every, simultaneously, air enters the blind window that is contained in the cage outside continuously, thereby balance the cage internal pressure, the annulus increased on the cage of end cap coordinates with gimbal, has both guaranteed the degree of protection requirement of motor, has guaranteed again the requirement of motor overall dynamic-balance.The reliable ripe anti-oil strain measure of the present invention, solved common sliding bearing effectively because of the oil strain problem that negative pressure causes, reduced user's operation, maintenance cost.Simultaneously, split type end cap is that overall dynamic-balance offers convenience, and that this present invention has is easy to operate, cost is low, the advantage such as reliable.
The accompanying drawing explanation
The employing end cap installation diagram that Fig. 1 is prior art;
Fig. 2 is the structure chart of a kind of super high power motor of the present invention with anti-oil strain end cap;
Fig. 3 is the schematic diagram of a kind of super high power motor of the present invention with an anti-embodiment of oil strain end cap.
Fig. 4 is anti-three-dimensional model diagram of oil strain end cap for a kind of motor of the present invention.
Wherein: 1 is upper end cover; 2 is the joint close plate; 3 is bottom end cover; 4 is cage; 5 is blind window; 6 is sliding bearing; 7 is rotating shaft; 8 is the rotary propeller type fan; 9 is gimbal; 10 is support; 11 is support platform; 12 is brace rod.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Referring to Fig. 3, anti-oil strain end cap for a kind of super high power motor of the present invention, comprise upper end cover 1, the bottom end cover 3 connected by joint close plate 2, be fixed on cage 4 on upper end cover 1 up and down end cap 3, be located at the blind window 5 in cage 4 outsides.One end of cage 4 is connected with upper end cover 1 with bottom end cover 3, and the other end coordinates with the gimbal 9 on machine shaft 7.Air enters described blind window 5 balance cage 4 internal pressures.Described bottom end cover 3 is for the support platform 11 of mount pad formula sliding bearing, is provided with to improve six brace rods 12 of the integral rigidity of end cap in support platform 11 bottoms.Described bottom end cover 3 is by seat formula sliding bearing the latter half and negative pressuren zone isolation.Be the cage of upper end cover and bottom end cover partly combine by sliding bearing and negative pressuren zone every.Described cage 4, for can make cooling air enter the streamlined of motor internal, has guaranteed that cooling air enters motor internal smoothly.Cage 4 is 5mm with gimbal 9 radial clearances of hot jacket on machine shaft 7.The gimbal 9 of hot jacket in rotating shaft 7 is processed with the annular groove for overall dynamic-balance; Be equiped with balance weight on annular groove.Pull down the cage 4 be fixed on upper end cover 3, can fill balance weights at gimbal 9 easily, and, according to the balance requirement, change the balance weight position.
After rotor penetrates support 10, upper end cover 1 and bottom end cover 3 use bolts are put together on support 10, the lower tile mounting base of sliding bearing 6 is arranged on the support platform 11 of bottom end cover 3, because gimbal on rotor 9 and cage 4 mating surface gaps only have 5mm, and the stator and rotor air gap is greater than 5mm, assembling during bottom end cover 1 be with jack by the first jack-up of rotor, prevent from damaging by pressure cage 4, remove again jack after bearing pedestal and lower watt of assembling.Load onto sliding bearing 6 upper watt and FE Tiler, undetermined, rotor airgap finally puts together on cage 4 use bolts on upper end cover 3 after adjusting evenly.If need overall dynamic-balance, or the maintenance motor, the dismounting cage 4 easily.
In sum, anti-oil strain end cap for a kind of super high power motor of the present invention, for the ease of installation, the examination and maintenance of end cover type seat formula sliding bearing, prevent oil strain by end cover type seat formula sliding bearing and the isolation of motor internal negative pressuren zone.It is easy for installation, easy to operate, after installation, can prevent between Large-power High-Speed asynchronous motor fan and internal bearing cover forming the impact of negative pressure on the motor sliding bearing, effectively solved the oil strain problem that common sliding bearing causes because of negative pressure, simultaneously, the overall dynamic-balance for motor offers convenience.Use the present invention on the Large-power High-Speed motor, effectively solved common sliding bearing because of the oil strain problem that negative pressure causes, reduced user's operation, maintenance cost.Simultaneously, split type end cap is that overall dynamic-balance offers convenience, and that the present invention has is easy to operate, cost is low, the advantage such as reliable.
Claims (7)
1. a super high power motor is with preventing the oil strain end cap, it is characterized in that, comprise upper end cover (1), the bottom end cover (3) connected by joint close plate (2), be fixed on bottom end cover (3) upper with upper end cover (1) on cage (4), be located at the blind window (5) outside cage (4).
2. super high power motor according to claim 1 is with preventing the oil strain end cap, it is characterized in that, described bottom end cover (3) is for the support platform (11) of mount pad formula sliding bearing, is provided with to improve six brace rods (12) of the integral rigidity of end cap in support platform (11) bottom.
3. anti-oil strain end cap for super high power motor according to claim 1, is characterized in that, described bottom end cover (3) is by seat formula sliding bearing the latter half and negative pressuren zone isolation.
4. anti-oil strain end cap for super high power motor according to claim 1, is characterized in that, described cage (4) is for can guarantee that cooling air enters the streamlined of motor internal smoothly.
5. anti-oil strain end cap for super high power motor according to claim 1, is characterized in that, air enters described blind window (5) balance cage (4) internal pressure.
6. anti-oil strain end cap for super high power motor according to claim 5, is characterized in that, cage (4) is 5mm with gimbal (9) radial clearance of hot jacket on machine shaft (7).
7. anti-oil strain end cap for super high power motor according to claim 6, is characterized in that, the gimbal (9) of hot jacket in rotating shaft (7) is processed with the annular groove for overall dynamic-balance; Be equiped with balance weight on annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438821.9A CN103475135B (en) | 2013-09-24 | 2013-09-24 | The anti-oil strain end cap of a kind of super high power motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438821.9A CN103475135B (en) | 2013-09-24 | 2013-09-24 | The anti-oil strain end cap of a kind of super high power motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103475135A true CN103475135A (en) | 2013-12-25 |
| CN103475135B CN103475135B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310438821.9A Active CN103475135B (en) | 2013-09-24 | 2013-09-24 | The anti-oil strain end cap of a kind of super high power motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533032A (en) * | 2016-12-21 | 2017-03-22 | 上海电气集团上海电机厂有限公司 | Bearing assembly of super-high-speed asynchronous motor |
| CN106532997A (en) * | 2016-12-21 | 2017-03-22 | 上海电气集团上海电机厂有限公司 | Super-high-speed asynchronous motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2837597Y (en) * | 2005-05-10 | 2006-11-15 | 上海电气集团上海电机厂有限公司 | End bracket and seat type sliding bearing and end bracket thereof |
| CN201146423Y (en) * | 2008-01-30 | 2008-11-05 | 黄治德 | Balancing loop for motor |
| CN102386735A (en) * | 2011-11-22 | 2012-03-21 | 永济新时速电机电器有限责任公司 | Compact-type high-power top drive variable frequency speed control asynchronous motor |
| CN202334077U (en) * | 2011-11-23 | 2012-07-11 | 中船重工电机科技股份有限公司 | Conveniently assembled and disassembled sliding ring outer cap for power generator |
| CN202957697U (en) * | 2012-10-25 | 2013-05-29 | 重庆赛力盟电机有限责任公司 | Oil leakage proof structure for high speed motor lubricated by thin oil |
-
2013
- 2013-09-24 CN CN201310438821.9A patent/CN103475135B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2837597Y (en) * | 2005-05-10 | 2006-11-15 | 上海电气集团上海电机厂有限公司 | End bracket and seat type sliding bearing and end bracket thereof |
| CN201146423Y (en) * | 2008-01-30 | 2008-11-05 | 黄治德 | Balancing loop for motor |
| CN102386735A (en) * | 2011-11-22 | 2012-03-21 | 永济新时速电机电器有限责任公司 | Compact-type high-power top drive variable frequency speed control asynchronous motor |
| CN202334077U (en) * | 2011-11-23 | 2012-07-11 | 中船重工电机科技股份有限公司 | Conveniently assembled and disassembled sliding ring outer cap for power generator |
| CN202957697U (en) * | 2012-10-25 | 2013-05-29 | 重庆赛力盟电机有限责任公司 | Oil leakage proof structure for high speed motor lubricated by thin oil |
Non-Patent Citations (2)
| Title |
|---|
| 李培德 等: "YKS800-210KV4000KW大型高压电动机的研究与设计", 《上海大中型电机》 * |
| 李培德 等: "YKS800-210KV4000KW大型高压电动机的研究与设计", 《上海大中型电机》, no. 1, 31 March 2013 (2013-03-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533032A (en) * | 2016-12-21 | 2017-03-22 | 上海电气集团上海电机厂有限公司 | Bearing assembly of super-high-speed asynchronous motor |
| CN106532997A (en) * | 2016-12-21 | 2017-03-22 | 上海电气集团上海电机厂有限公司 | Super-high-speed asynchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103475135B (en) | 2016-03-23 |
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Inventor after: Liu Yuntao Inventor after: Liu Weibing Inventor after: Bit elegant Inventor after: Sun Wei Inventor after: Zhang Bangning Inventor before: Liu Weibing Inventor before: Bit elegant Inventor before: Sun Wei Inventor before: Liu Yuntao |
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Effective date of registration: 20230331 Address after: No. 21, Building 11, Zone A, Phase I, Business Plaza, south of Huanghe Road and east of Huashan Street, Longsha District, Qiqihar City, Heilongjiang Province, 161005 Patentee after: Qiqihar Nankuichang Enterprise Management Consulting Co.,Ltd. Address before: 710032 No. 159 Mingguang Road, Xi'an economic and Technological Development Zone, Shaanxi Patentee before: XI'AN TECH FULL SIMO MOTOR Co.,Ltd. |
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