WO2010108394A1 - 一种含油滑动轴承系统及其应用的电机 - Google Patents
一种含油滑动轴承系统及其应用的电机 Download PDFInfo
- Publication number
- WO2010108394A1 WO2010108394A1 PCT/CN2010/070297 CN2010070297W WO2010108394A1 WO 2010108394 A1 WO2010108394 A1 WO 2010108394A1 CN 2010070297 W CN2010070297 W CN 2010070297W WO 2010108394 A1 WO2010108394 A1 WO 2010108394A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sliding bearing
- oil
- end surface
- raft
- cymbal
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
-
- 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
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
Definitions
- Oil-containing sliding bearing system and motor thereof are Oil-containing sliding bearing system and motor thereof
- the utility model relates to an oil-containing sliding shaft 7 system and an electric motor thereof.
- Rolling bearings are used in a wide range of applications, including plain bearings and rolling bearings.
- the structure of rolling bearings is generally composed of inner bore, outer bore, rolling elements and cages.
- Rolling bearings have the following advantages: 1. Rolling bearings have a lower friction coefficient than plain bearings and high rotational efficiency. The friction coefficient of the plain bearing is 0. 08-0. 12 , and the friction coefficient of the rolling bearing is only 0. 001-0. 005 ; 2.
- the rolling bearing has been standardized, serialized and generalized, suitable for mass production and supply. It is very convenient to use and maintain; 3.
- Rolling bearings are made of bearing steel and heat treated. Therefore, rolling bearings not only have high mechanical properties and long service life, but also save the expensive expensive non-ferrous metals used in the manufacture of sliding bearings. 4.
- the internal clearance of the rolling bearing is small, and the machining accuracy of each part is high, so the running speed is high.
- the rigidity of the bearing can be increased by a preloading method. This is very important for precision machinery; 5 Some rolling bearings can withstand both radial and axial loads, so that the structure of the bearing can be compressed; 6. Because the rolling bearing has high transmission efficiency and less heat, it can Reduce the consumption of lubricating oil, lubrication and maintenance is more convenient; 7. Rolling bearings can be easily applied to the shaft in any orientation of the space.
- the disadvantages are: 1. The ability of the rolling bearing to withstand loads is much smaller than that of a plain bearing of the same volume. Therefore, the radial dimension of the rolling bearing is large.
- sliding bearings are often used.
- Rolling bearings have large vibration and noise, especially in the later stage of use. Therefore, in the case where the precision is required to be high and vibration is not allowed, the rolling bearing is difficult to perform, and the effect of using the sliding bearing is generally better.
- the sliding bearing (1) is an integral transmission system composed of an elastic pad (3), a sealing pressure (4) and an end cover (2), and its structure is as shown in FIG. Sliding bearing system, complex structure, troublesome installation, high manufacturing cost, difficult maintenance, not standard parts, general parts, friction and heat are more severe, and the lubrication requirements are higher, and the lubrication requirements are higher.
- plain bearing system consists of plain bearings (1), seals (2) and grease (3)
- the composition, its structure is shown in Figure 2. Due to the lack of the oil supply structure and oil recovery structure of the sliding bearing, it is currently in the exploration stage and has not been promoted.
- One object of the present invention is to provide an oil-containing sliding bearing system which is simple in structure, convenient to install, convenient to maintain, and costly to manufacture, has a wider application range, and greatly improves the standardization degree.
- the utility model is realized by the following technical solutions.
- An oil-containing sliding bearing system comprising a sliding bearing, wherein an oil storage groove is arranged in the sliding bearing, lubricating oil is placed inside the oil storage groove, and a casing is arranged outside the sliding bearing, and the casing extends a distance from the front end surface of the sliding bearing, and is at the top end
- the inner bend forms an oil return barb portion, and a retaining sill is arranged on the front end surface of the shaft, and an oil return hole is formed between the dam and the sliding bearing, and the oil return hole communicates with the oil storage tank.
- the sliding bearing described above includes an outer cymbal and an inner cymbal, and an oil sump is formed between the outer cymbal and the inner cymbal, and the outer cymbal and the inner cymbal are connected by the rib.
- the housing described above forms a front bent portion at a position in contact with the front end surface of the sliding shaft, and the rear end surface of the housing and the sliding bearing body forms a rear bent portion, thereby realizing the positioning of the sliding bearing, which is strong in integrity and is not easy to loosen.
- the inner crucible described above is disposed in the outer crucible, and the inner crucible has a short axial dimension, and both ends are retracted into the outer crucible to form a gap for the oil supply.
- the inner crucible is sintered, and many tiny oil leakage gaps are formed therein to form a passage for oil supply.
- the damper described above is pressed by the front bent portion, and the structure is single.
- the oil-impregnated sliding bearing system of the utility model has the following advantages: 1) a housing is arranged on the outer surface of the sliding bearing, and the housing protrudes from the end surface of the sliding bearing for a certain distance, and is bent at the top end to form an oil return barb portion.
- the oil storage tank is arranged inside the sliding bearing to form a complete oil storage and recovery structure, which can work normally for a long time, and the maintenance of the cylinder is convenient; 2)
- the structure of the cylinder is simple, the manufacturing cost is low, the standardization generalization degree is greatly improved, and the production can be mass-produced;
- the sliding bearing system does not depend on the end cover and exists independently. It is easy to install and use.
- the utility model can be used instead of the rolling bearing to solve the problem that the rolling bearing has small impact load and large noise, so the scope of use Further expansion; 5) A retaining ring is arranged on the front end surface of the sliding shaft ⁇ , and an oil return hole is formed between the retaining ring and the sliding shaft 7, and the oil return hole communicates with the oil storage tank, and the lubricating oil recovered from the oil return barb portion flows back to the oil storage tank.
- the structural cylinder is single; 6)
- the inner bore of the sliding bearing forms an oil supply gap, and the lubricating oil of the oil storage tank can be supplied with oil through the oil supply gap.
- Another object of the present invention is to provide a motor, which is provided with the above oil-containing sliding bearing system, which can not only design the structural design of the end cap, but also make the bearing system structure simple, easy to install and use, and convenient to maintain. manufacturing cost.
- a motor comprising an end cover, a rotating shaft and an oil-impregnated sliding bearing, wherein a bearing seat is arranged on the end cover, the oil-impregnated sliding bearing is nested in the bearing seat, and the oil-containing sliding bearing comprises a sliding bearing, and the lubricating oil is placed in the oil storage groove of the sliding bearing And a housing that is sleeved outside the sliding bearing, the housing protrudes from the end surface of the sliding bearing and is bent at the top end to form an oil return barb portion, and the front end surface of the sliding shaft is provided with a damper, and the oil is formed between the dam and the sliding bearing The hole and the oil return hole are connected with the oil storage groove.
- the sliding bearing comprises an outer raft and an inner raft, and an oil storage groove is formed between the outer raft and the inner raft, and the outer raft and the inner raft are connected by the rib, and the rotating sleeve is sleeved on the inner raft.
- the inner crucible described above is disposed in the outer crucible, and the inner crucible has a short axial dimension and is retracted into the outer crucible to form a gap for the oil supply.
- the above-mentioned shaft sleeve is sleeved on the rotating shaft, and the sleeve is located in the casing, and is between the oil return barb portion and the dam, and a sealing ⁇ is arranged between the sliding bearing and the end cover.
- the motor of the utility model has the following advantages: 1)
- the oil-containing sliding bearing of the utility model can be used to design the end cap to reduce the cost; 2) using the oil-impregnated sliding bearing of the utility model, working life Long, usually does not need to maintain the bearing system, easy to use; 3)
- the oil-impregnated sliding bearing of the utility model can be directly installed in the bearing seat as a standard part, and the installation is convenient, and the production efficiency is improved.
- Figure 1 is a first structural schematic view of a conventional sliding bearing system
- Figure 2 is a second structural schematic view of a conventional sliding bearing system
- Figure 3 is a cross-sectional view showing the structure of the oil-impregnated sliding bearing system of the present invention
- Figure 4 is a cross-sectional view taken along line AA of Figure 3;
- Figure 5 is a cross-sectional view taken along line B-B of Figure 3;
- Figure 6 is a schematic view of a motor to which the oil-impregnated sliding bearing system of the present invention is applied.
- an oil-containing sliding shaft system includes a sliding bearing 1, an oil reservoir 2 is disposed in the sliding bearing 1, and a lubricating oil 3 is placed in the oil storage tank 2, in the sliding bearing
- the outer casing of the outer casing 1 is provided with a casing 4, and the casing 4 extends beyond the front end surface of the sliding bearing 1 and is bent inside the top end to form an oil return barb portion 5, and a front end surface of the sliding shaft 7
- An oil return hole 10 is formed between the 9 and the sliding shaft 7
- the sliding bearing 1 includes an outer cymbal 6 and an inner cymbal 7, and an oil sump 2 is formed between the outer cymbal 6 and the inner cymbal 7, the outer cymbal 6 and the inner cymbal 7 are connected by the rib 8, and the rib 8 is composed of three or more weeks. It is evenly distributed.
- the front portion of the casing 4 in contact with the front end surface of the sliding bearing 1 forms a front bent portion 11, and the rear end surface of the casing 4 and the sliding bearing 1 forms a rear bent portion 12, thereby realizing the positioning of the sliding bearing 1.
- the inner bore is disposed in the outer bore 6, and the inner bore 7 has a short axial dimension and is retracted into the outer bore 6 to form a gap 15 for oil supply. Inside the inner raft 7, a lot of tiny oil leakage gaps are formed to form a passage for oil supply. The dam 9 is pressed by the front bent portion 11.
- a motor includes an end cover 16, a rotating shaft 17, and an oil-impregnated sliding bearing.
- a bearing seat 14 is disposed on the end cover 16, and the oil-impregnated sliding bearing is nested in the bearing housing 14.
- the oil-impregnated sliding bearing includes a sliding bearing 1, a lubricating oil 3 placed inside the oil sump 2 of the sliding bearing 1, and a casing 4 fitted on the outside of the sliding bearing 1, the casing 4 extending a distance from the end surface of the sliding bearing 1, and The top end is bent to form the oil return barb portion 5, and the front end surface 13 of the sliding shaft is mounted with a damper 9, and the oil return hole 10 is formed between the damper 9 and the sliding bearing 1, and the oil return hole 10 communicates with the oil sump 2 to slide
- 1 includes an outer cymbal 6 and an inner cymbal 7, and an oil sump 2 is formed between the outer cymbal 6 and the inner cymbal 7, and the outer cymbal 6 and the inner cymbal 7 are connected by the rib 8, and the rotating shaft 17 is sleeved on the inner cymbal 7.
- a sleeve 13 is sleeved on the shaft 17, and the sleeve 13 is located in the housing 4 and is located between the oil return barb portion 5 and the dam 9 and is axially positioned by the axial damper 18.
- the inner bore 7 is disposed in the outer bore 6, and the inner bore 7 has a short axial dimension and is retracted into the outer bore 6 to form a notch 15 for oil supply.
- a sealing jaw 19 is provided between the sliding bearing 1 and the end cover 16 to form a retaining oil and back The function of oil and oil storage.
- the working principle of this operation is as follows: During the running of the motor, the rotating shaft rotates at a high speed, and lubricating oil is placed in the oil storage tank 2 to flow to the inner wall of the inner casing 7, and part of the lubricating oil overflows from the front end of the sliding bearing 1 and is sucked into the casing 4
- the inner wall flows along the inner wall to the oil return barb portion 5, and the oil return barb portion 5 returns the overflowed lubricating oil to the damper 9, and the oil return hole 10 is formed between the dam 9 and the sliding bearing 1
- the oil hole 10 is in communication with the oil storage tank 2, so the overflowed lubricating oil flows back to the oil storage tank 2.
- the lubricating oil is supplied from the notch 15 or the inner gap of the inner crucible, thereby forming a complete oil recovery.
- the structure can work normally for a long time, the maintenance of the cylinder is convenient, the structure is simple, the manufacturing cost is low, the standardization generalization degree is greatly improved, and the production can be mass-produced.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Power Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Motor Or Generator Frames (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2011009993A MX2011009993A (es) | 2009-03-25 | 2010-01-21 | Sistema de cojinetes deslizantes autolubricante y maquina electrica que lo utiliza. |
CA2756223A CA2756223C (en) | 2009-03-25 | 2010-01-21 | Self-oiling sliding bearing system and electric machine using same |
US13/244,958 US8449192B2 (en) | 2009-03-25 | 2011-09-26 | Self-lubricating bearing system and motor comprising the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200920053673U CN201383727Y (zh) | 2009-03-25 | 2009-03-25 | 一种含油滑动轴承系统及其应用的电机 |
CN200920053673.8 | 2009-03-25 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/244,958 Continuation US8449192B2 (en) | 2009-03-25 | 2011-09-26 | Self-lubricating bearing system and motor comprising the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010108394A1 true WO2010108394A1 (zh) | 2010-09-30 |
Family
ID=41527198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/070297 WO2010108394A1 (zh) | 2009-03-25 | 2010-01-21 | 一种含油滑动轴承系统及其应用的电机 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8449192B2 (zh) |
CN (1) | CN201383727Y (zh) |
CA (1) | CA2756223C (zh) |
MX (1) | MX2011009993A (zh) |
WO (1) | WO2010108394A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201383727Y (zh) * | 2009-03-25 | 2010-01-13 | 中山大洋电机股份有限公司 | 一种含油滑动轴承系统及其应用的电机 |
DE202010006089U1 (de) | 2010-04-27 | 2011-09-01 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Gleitlager |
CN103490549A (zh) * | 2013-09-25 | 2014-01-01 | 苏州双航机电有限公司 | 电机端盖 |
CN110296150B (zh) * | 2019-07-02 | 2024-07-02 | 珠海凯邦电机制造有限公司 | 一种含油轴承组件及具有该组件的电机 |
CN110294287A (zh) * | 2019-07-09 | 2019-10-01 | 宁夏天地奔牛实业集团有限公司 | 一种免维护或低维护的自润滑链轮轴组 |
CN210716250U (zh) * | 2019-07-12 | 2020-06-09 | 路达(厦门)工业有限公司 | 一种阀轴藏油机构及阀结构及出水装置 |
CN117231629B (zh) * | 2023-11-10 | 2024-02-02 | 福建省德源智能科技有限公司 | 一种多层次自润滑关节轴承及其使用方法 |
Citations (4)
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CN2589732Y (zh) * | 2002-12-26 | 2003-12-03 | 广东美的集团股份有限公司 | 一种含油滑动轴承 |
CN1831353A (zh) * | 2005-03-08 | 2006-09-13 | 可斯塔·佩龙尼斯 | 密封轴承系统及其组装方法 |
CN101046223A (zh) * | 2006-03-27 | 2007-10-03 | 三星电机株式会社 | 具有附加储存部的流体动压轴承 |
CN201383727Y (zh) * | 2009-03-25 | 2010-01-13 | 中山大洋电机股份有限公司 | 一种含油滑动轴承系统及其应用的电机 |
Family Cites Families (5)
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US4198584A (en) * | 1978-03-24 | 1980-04-15 | General Electric Company | Lubricant retaining system for a prime mover |
US4599006A (en) * | 1979-10-03 | 1986-07-08 | Permawick Bearing Corporation | Cartridge bearing assembly |
US4350912A (en) * | 1980-03-03 | 1982-09-21 | Emerson Electric Co. | Wick lubrication system for self-aligning bearing |
US4634298A (en) * | 1985-08-14 | 1987-01-06 | A. O. Smith Corporation | Self-aligning bearing retention system |
US5677584A (en) * | 1995-02-09 | 1997-10-14 | General Electric Company | Bearing assembly for dynamoelectric machines |
-
2009
- 2009-03-25 CN CN200920053673U patent/CN201383727Y/zh not_active Expired - Lifetime
-
2010
- 2010-01-21 WO PCT/CN2010/070297 patent/WO2010108394A1/zh active Application Filing
- 2010-01-21 MX MX2011009993A patent/MX2011009993A/es active IP Right Grant
- 2010-01-21 CA CA2756223A patent/CA2756223C/en active Active
-
2011
- 2011-09-26 US US13/244,958 patent/US8449192B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2589732Y (zh) * | 2002-12-26 | 2003-12-03 | 广东美的集团股份有限公司 | 一种含油滑动轴承 |
CN1831353A (zh) * | 2005-03-08 | 2006-09-13 | 可斯塔·佩龙尼斯 | 密封轴承系统及其组装方法 |
CN101046223A (zh) * | 2006-03-27 | 2007-10-03 | 三星电机株式会社 | 具有附加储存部的流体动压轴承 |
CN201383727Y (zh) * | 2009-03-25 | 2010-01-13 | 中山大洋电机股份有限公司 | 一种含油滑动轴承系统及其应用的电机 |
Also Published As
Publication number | Publication date |
---|---|
MX2011009993A (es) | 2011-12-08 |
US8449192B2 (en) | 2013-05-28 |
CA2756223C (en) | 2017-05-09 |
US20120014630A1 (en) | 2012-01-19 |
CN201383727Y (zh) | 2010-01-13 |
CA2756223A1 (en) | 2010-09-30 |
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