CN105485183A - Self-lubricating sliding bearing - Google Patents
Self-lubricating sliding bearing Download PDFInfo
- Publication number
- CN105485183A CN105485183A CN201610108110.9A CN201610108110A CN105485183A CN 105485183 A CN105485183 A CN 105485183A CN 201610108110 A CN201610108110 A CN 201610108110A CN 105485183 A CN105485183 A CN 105485183A
- Authority
- CN
- China
- Prior art keywords
- oil
- radiator
- grease chamber
- oil ring
- square
- 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.)
- Granted
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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
- F16C37/00—Cooling of bearings
-
- 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
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
Abstract
The invention discloses a self-lubricating sliding bearing which comprises a bearing box, a bearing bush, a rotary shaft and an oil ring. A left oil chamber, a middle oil chamber and a right oil chamber are formed inside the bearing box, the left oil chamber and the right oil chamber are connected with the two ends of a radiator, internal cooling fins are arranged outside the radiator, a partition plate is arranged in the radiator, oil outlet pipes extending into the middle oil chamber are arranged on the radiator and located on the two sides of the partition plate, the radiator is located in a water tank, outer cooling fins are arranged outside the water tank, the bottom end of the oil ring extends into lubricating oil in the middle oil chamber, oil grooves are uniformly distributed in the periphery of the inner wall of the oil ring and comprise trapezoid grooves and straight grooves, two square abutting blocks are arranged on the left wall and the right wall of each straight groove respectively, through holes are close to the inner wall of the oil ring and located in each outer-side abutting block and the other abutting block crossed with and opposite to the outer-side abutting block, square spaces are formed by the four abutting blocks, and movable oil absorbent felts are arranged in the square spaces. The self-lubricating sliding bearing effectively reduces the temperature of the lubricating oil in the inside, the heat dissipation performance is greatly improved, the oil carrying amount of the oil ring is large, and the temperature rise produced by friction is reduced.
Description
Technical field
The present invention relates to sliding bearing technical field, especially relate to a kind of self-lubricating plain bearing.
Background technique
Using the motor of self-lubricating plain bearing because of not needing extraneous recycle oil system, there is Original equipment fund input few, convenient for installation and maintenance, operate and advantage that running state monitoring is easy, be therefore widely used in modern industry.In known technology, the oil ring that the self-lubricating plain bearing that motor uses relies on and rotating shaft rotates together brings the lubricant oil that in bearing housing, self stores into gap lubricate between rotating shaft and bearing shell, conventional oil ring is cross section is trapezoidal annulus, the viscosity of oil is only relied on to be adsorbed on oil ring, again along with relative motion surface is taken in the rotation of rotating shaft to, with oil mass limited, effect is undesirable, existing also occurred on the market in establish the oil ring of T-shaped oil groove, except increasing surface of contact that oil is adsorbed on oil ring, the container of T-shaped oil groove or a kind of oil, equally oil is taken up when oil ring rotates time image waterwheel, T-shaped oil groove along with the rotation of oil ring arrive the top of rotating shaft time, lubricant oil in T-shaped oil groove injects the gap between rotating shaft and bearing shell, but T-shaped oil groove will cause most oil directly to come down in torrents back fuel tank when oil ring forwards its intermediate altitude to, T-shaped oil groove has again many oil and reveals when the intermediate altitude of oil ring rises to top, oil between real injection rotating shaft and bearing shell is considerably less, therefore be badly in need of improving the tank structure of oil ring, its oil in the process rotating rising from oil ring bottom to intermediate altitude to top gradually can not be run off in a large number, the bearing support inside of original structure is holistic grease chamber simultaneously, in grease chamber, lubricant oil does not circulate, and deep fat light specific gravity, float on the surface, oil ring is deep fat with the oil that axis of rotation takes on bearing shell, be badly in need of cooling to lubricant oil.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of self-lubricating plain bearing, effectively reduce the temperature of inner lubricant oil, heat dispersion improves greatly, and the band oil mass of oil ring is large, reduces fricative temperature rise.
For achieving the above object, technological scheme of the present invention is: self-lubricating plain bearing, comprise bearing housing, bearing shell, rotating shaft and oil ring, described bearing housing inside forms left grease chamber, middle grease chamber and right grease chamber, the bottom of described left grease chamber and right grease chamber is connected to two end entrances of radiator successively by horn mouth passage and curved channel, the outer wall of described radiator is provided with the interior radiating fin distributed along its length, radiator bosom place is provided with dividing plate, radiator is positioned at dividing plate both sides and respectively establishes an oil outlet tube stretching into middle grease chamber, radiator is positioned at the water tank bottom bearing housing, described water tank bottom outer wall is provided with outer radiating fin, the upper and lower end of water tank is respectively equipped with intake pipe and outlet pipe, the bottom of described oil ring is stretched in the lubricant oil of middle grease chamber, inwall circumference all spreader grooves of oil ring, described oil groove comprises dovetail groove and the straight trough of connection, the upper base of described dovetail groove is provided with symmetrical two square straight troughs, the left and right inwall of described straight trough is respectively established two square support block, the described block that supports is upper and lower two groups of corresponding distributions, supporting block and intersect relative another with it and supporting block and be provided with multiple through hole run through up and down of outside is positioned near oil ring inwall, four form long a between block, wide b, the square space of high c, long d is provided with in described square space, wide b, the square asphalt felt of high f, the length a that the length d of described asphalt felt is greater than square space deducts one and supports the value of the thickness g of block and be less than through hole to the distance i compared with distally to block relative with through hole, the height f of asphalt felt is less than the height c of square space.
Described radiator is coil-type radiator.
The invention has the beneficial effects as follows: after jointly coordinating the lubricant oil higher to the temperature from left grease chamber and right grease chamber to dispel the heat by radiator and water tank, send middle grease chamber back to, make the indoor lubricant oil lower for temperature taken away by oil ring of middle oil, improve the thermal diffusivity of bearing, reduce the temperature of bearing, improve the usability of bearing; Coordinated by dovetail groove and straight trough in oil ring and can store a large amount of oil, and the asphalt felt that can be shifted with oil ring rotation in straight trough play the effect of the circulation circuit of isolated oil on the basis of oil suction, oil ring oil in the rotary course from bottom to top can not be leaked in a large number, can effectively reduce fricative temperature rise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged view at A place in Fig. 1;
Fig. 3 is the plan view of radiator of the present invention;
Fig. 4 is the structural representation of oil ring of the present invention;
Fig. 5 is the structural representation of oil groove of the present invention when being positioned at oil ring bottom;
Fig. 6 be in Fig. 5 B-B to sectional view;
Fig. 7 is the structural representation of oil groove of the present invention when being positioned at oil ring intermediate altitude;
Fig. 8 is the structural representation of oil groove of the present invention when being positioned at oil ring top.
In figure: bearing housing 1, left grease chamber 11, middle grease chamber 12, right grease chamber 13, horn mouth passage 14, curved channel 15, bearing shell 2, rotating shaft 3, oil ring 4, radiator 5, dividing plate 51, oil outlet tube 52, interior radiating fin 53, water tank 6, outer radiating fin 61, intake pipe 62, outlet pipe 63, oil groove 7, dovetail groove 71, straight trough 72, to block 73, through hole 74, asphalt felt 75.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
As shown in Fig. 1 ~ Fig. 8, self-lubricating plain bearing, comprise bearing housing 1, bearing shell 2, rotating shaft 3 and oil ring 4, it is inner that bearing shell 2 and oil ring 4 are all positioned at bearing housing 1, rotating shaft 3 is through bearing housing 1, bearing shell 2 is Spielpassung with the axle journal of the rotating shaft 3 stretched in bearing housing 1, is provided with oil ring 4 in the middle of bearing shell 2, and oil ring 4 hangs in rotating shaft 3 follows rotating shaft 3 to rotate.
Described bearing housing 1 inside forms left grease chamber 11, middle grease chamber 12 and right grease chamber 13, and middle grease chamber 12 is positioned at inside bearing shell 2, and left grease chamber 11 and right grease chamber 13 are positioned at outside bearing shell 2, and the oil that oil ring 4 brings flows to left grease chamber 11 and right grease chamber 13 from middle grease chamber 12.
The bottom of described left grease chamber 11 and right grease chamber 13 is connected to two end entrances of radiator 5 successively by horn mouth passage 14 and curved channel 15, horn mouth passage 14 can increase the influx of oil, simultaneously and curved channel 15 cooperation make deep fat can enter radiator 5 easily, described radiator 5 is coil-type radiator, the runner of coil-type radiator is having many bends or curves, extend course and the time of inner fluid, heat exchange performance is good, the outer wall of described radiator 5 is provided with the interior radiating fin 53 distributed along its length, radiator 5 bosom place is provided with dividing plate 51, radiator 5 is positioned at dividing plate 51 both sides and respectively establishes an oil outlet tube 52 stretching into middle grease chamber 12, the deep fat of coming from left grease chamber 11 and right grease chamber 13 enters from the entrance at radiator 5 two ends respectively, finally enter middle grease chamber 12 from the oil outlet tube 52 of respective side, do not interfere with each other, a radiator 5 is only used to dispel the heat respectively to two place's fluids, save cost, reduce the installing space of equipment, practicability is good.
Radiator 5 is positioned at the water tank 6 bottom bearing housing 1, the bottom and the curved channel 15 that comprise horn mouth passage 14 are all positioned at water tank 6, water is full of in water tank 6, the highest point of water level at least reaches the apical position that can flood interior radiating fin 53, described water tank 6 bottom outer wall is provided with outer radiating fin 61, also can select optionally outer radiating fin 61 to be installed on other several outer wall of water tank 6, the upper and lower end of water tank 6 is respectively equipped with intake pipe 62 and outlet pipe 63, intake pipe 62 in the present invention is positioned at a side wall upper part of water tank 6, outlet pipe 63 is positioned at bottom water tank 6, can be undertaken changing water by intake pipe 62 and outlet pipe 63 every a period of time, when heat transfer effect strengthened by needs, water circulation can be carried out by outside water circulation system connection intake pipe 62 and outlet pipe 63 moment to water tank 6.Middle grease chamber 12 is sent back to after heat exchange being carried out to deep fat by radiator 5 and water tank 6 common cooperation, make the interior lubricant oil lower for temperature taken away by oil ring 4 in middle grease chamber 12, improve the thermal diffusivity of bearing, reduce the temperature of bearing, improve the usability of bearing.
The bottom of described oil ring 4 is stretched in the lubricant oil of middle grease chamber 12, inwall circumference all spreader grooves 7 of oil ring 4, the quantity of the oil groove 7 in the present invention is 12, be equivalent to 12 high ranges on clock used in everyday, described oil groove 7 comprises dovetail groove 71 and the straight trough 72 of connection, the upper base of described dovetail groove 71 is provided with symmetrical two square straight troughs 72, the left and right inwall of described straight trough 72 is respectively established two square support block 73, the described block 73 that supports is upper and lower two groups of corresponding distributions, namely being positioned at two of close oil ring 4 inwall of top to block 73 is one group, two other block 73 that supports being positioned at below is another group, two that often the organize upper and lower end faces supporting block 73 are all in the same plane, supporting block 73 and intersect relative another with it and supporting block 73 and be provided with multiple through hole 74 run through up and down of outside is positioned near oil ring 4 inwall, the quantity of the through hole 74 in the present invention is 5, be spacedly distributed along the width direction supporting block 73, two intersect the relative through hole 74 supported on block 73 and coordinate and form the fuel-displaced runner of oil-feed.
Four form long a between block 73, wide b, the square space of high c, long d is provided with in described square space, wide b, the square asphalt felt 75 of high f, the length a that the length d of described asphalt felt 75 is greater than square space deducts one and supports the value of the thickness g of block 73 and be less than through hole 74 to the distance i compared with distally that support block 73 relative with through hole 74, make the upper and lower end face of asphalt felt 75 can not depart from one group of corresponding end face to block 73, namely the end face that asphalt felt 75 can support block 73 along a group in square space moves but can not overturn, the length of asphalt felt 75 is in bottom at oil groove 7 and blocks the relative through hole 74 supported on block 73 of two intersections with being not enough to during apical position simultaneously, making bottom position oil storage and apical position, fuel-displaced more smooth and easy (bottom position in the present invention can be called 6 positions, namely 6 points on clock, apical position can be called or 12 positions at 0, below occur that this kind of call is similar in this).
The height f of asphalt felt 75 is less than the height c of square space, but in order to strengthen the oil storage capacity of asphalt felt 75, make the oil mass revealed in some position of meeting draining reduce as much as possible, the height f of asphalt felt 75 of the present invention only need be slightly smaller than the height c of square space simultaneously.
The width of asphalt felt 75 is equal with the width of square space, and all steeped by oil immersion due to asphalt felt 75, on the inwall of block 73 and straight trough 72, therefore asphalt felt 75 can move in its length and short transverse easily.
When oil ring of the present invention 4 is for as shown in Figure 4 and when being rotated counterclockwise, when the oil groove 7 of oil ring 4 is positioned at 6 positions (as shown in Figure 5), two asphalt felts 75 are all resisted against a group of being positioned at below and support on block 73 and the sidewall of asphalt felt 75 is resisted against the outside inwall of straight trough 72, the through hole 74 that now upper and lower intersects forms oil inlet passage and to be stored in by oil in oil groove 7 and (also can to support space oil-feed between block 73 from of top group, from below the one group through hole 74 supported in block 73 flows into), asphalt felt 75 self also stores a large amount of oil simultaneously.When oil groove 7 is positioned at 3 positions (as shown in Figure 7), the end face of asphalt felt 75 being now positioned at below be resisted against originally (when referring to 6 positions) be in a group of top on block 73 and the sidewall of asphalt felt 75 against the outside inwall of straight trough 72, now this asphalt felt 75 is blocked this group being originally in top and is supported the through hole 74 of block 73 and make it can not be fuel-displaced, the asphalt felt 75 being positioned at top be resisted against a group of being in below to support on block 73 and the sidewall of asphalt felt 75 against the inner side inwall of straight trough 72, this group that now below blocked by this asphalt felt 75 supports the through hole 74 of block 73 makes it can not be fuel-displaced, thus completely cut off oil discharge passage, make oil groove 7 can not draining when 3 positions.When oil groove 7 is positioned at 0 position (as shown in Figure 8), two asphalt felts 75 be all resisted against originally (when referring to 6 positions) be in a group of top to support on block 73 and the sidewall of asphalt felt 75 against the inner side inwall of straight trough 72, oil is released the gap sent between bearing shell 2 and rotating shaft 3 by now through hole 74 conducting of upper and lower.In addition, oil groove 7 of the present invention has the leakage of oil when being near 1 position, but due to the buffer function of asphalt felt 75, and oil groove 7 near 1 position time can reach 0 position very soon and carry out draining, therefore a large amount of oil can also be had for lubrication, the T-shaped oil groove of prior art has then just revealed when 3 positions the trapped fuel exceeding half, and the oil after from 3 positions to 0 position remains little especially.When oil ring 4 of the present invention is for turning clockwise, principle is identical, does not introduce at this.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (2)
1. self-lubricating plain bearing, comprise bearing housing (1), bearing shell (2), rotating shaft (3) and oil ring (4), it is characterized in that: described bearing housing (1) inside forms left grease chamber (11), middle grease chamber (12) and right grease chamber (13), the bottom of described left grease chamber (11) and right grease chamber (13) is connected to two end entrances of radiator (5) successively by horn mouth passage (14) and curved channel (15), the outer wall of described radiator (5) is provided with the interior radiating fin (53) distributed along its length, radiator (5) bosom place is provided with dividing plate (51), radiator (5) is positioned at dividing plate (51) both sides and respectively establishes an oil outlet tube (52) stretching into middle grease chamber (12), radiator (5) is positioned at the water tank (6) of bearing housing (1) bottom, described water tank (6) bottom outer wall is provided with outer radiating fin (61), the upper and lower end of water tank (6) is respectively equipped with intake pipe (62) and outlet pipe (63), the bottom of described oil ring (4) is stretched in the lubricant oil of middle grease chamber (12), inwall circumference all spreader grooves (7) of oil ring (4), described oil groove (7) comprises dovetail groove (71) and the straight trough (72) of connection, the upper base of described dovetail groove (71) is provided with symmetrical two square straight troughs (72), the left and right inwall of described straight trough (72) is respectively established two square support block (73), the described block (73) that supports is for upper and lower two groups of corresponding distributions, supporting block (73) and intersect relative another with it and supporting block (73) and be provided with multiple through hole (74) run through up and down of outside is positioned near oil ring (4) inwall, four form long a between block (73), wide b, the square space of high c, long d is provided with in described square space, wide b, the square asphalt felt (75) of high f, the length a that the length d of described asphalt felt (75) is greater than square space deducts one and supports the value of the thickness g of block (73) and be less than through hole (74) to the distance i compared with distally that support block (73) relative with through hole (74), the height f of asphalt felt (75) is less than the height c of square space.
2. self-lubricating plain bearing as claimed in claim 1, is characterized in that: described radiator (5) is coil-type radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108110.9A CN105485183B (en) | 2016-02-26 | 2016-02-26 | Self-lubricating plain bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108110.9A CN105485183B (en) | 2016-02-26 | 2016-02-26 | Self-lubricating plain bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485183A true CN105485183A (en) | 2016-04-13 |
| CN105485183B CN105485183B (en) | 2018-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610108110.9A Expired - Fee Related CN105485183B (en) | 2016-02-26 | 2016-02-26 | Self-lubricating plain bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN105485183B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002310388A (en) * | 2001-04-11 | 2002-10-23 | Ebara Corp | Oil ring type bearing mechanism, and pump device |
| US20050121263A1 (en) * | 2003-12-03 | 2005-06-09 | Dresser-Rand Company | Lubricant circulation system and method |
| CN201057228Y (en) * | 2007-07-04 | 2008-05-07 | 何全波 | Inside oil circulation structure of self-lubricated bearing |
| CN201259081Y (en) * | 2008-09-05 | 2009-06-17 | 申科滑动轴承股份有限公司 | Novel oil ring |
| CN203628214U (en) * | 2014-01-03 | 2014-06-04 | 山东双轮韬浦泵业有限公司 | Bearing lubrication cooling device |
| CN203670511U (en) * | 2014-01-09 | 2014-06-25 | 申科滑动轴承股份有限公司 | Novel oil ring adopting oil carrying structure |
| CN204420527U (en) * | 2015-01-23 | 2015-06-24 | 天津同恩科技有限公司 | There is the disc promoting greasy property parts |
| CN205350103U (en) * | 2016-02-26 | 2016-06-29 | 绍兴文理学院 | Self -lubricating sliding bearing |
-
2016
- 2016-02-26 CN CN201610108110.9A patent/CN105485183B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002310388A (en) * | 2001-04-11 | 2002-10-23 | Ebara Corp | Oil ring type bearing mechanism, and pump device |
| US20050121263A1 (en) * | 2003-12-03 | 2005-06-09 | Dresser-Rand Company | Lubricant circulation system and method |
| CN201057228Y (en) * | 2007-07-04 | 2008-05-07 | 何全波 | Inside oil circulation structure of self-lubricated bearing |
| CN201259081Y (en) * | 2008-09-05 | 2009-06-17 | 申科滑动轴承股份有限公司 | Novel oil ring |
| CN203628214U (en) * | 2014-01-03 | 2014-06-04 | 山东双轮韬浦泵业有限公司 | Bearing lubrication cooling device |
| CN203670511U (en) * | 2014-01-09 | 2014-06-25 | 申科滑动轴承股份有限公司 | Novel oil ring adopting oil carrying structure |
| CN204420527U (en) * | 2015-01-23 | 2015-06-24 | 天津同恩科技有限公司 | There is the disc promoting greasy property parts |
| CN205350103U (en) * | 2016-02-26 | 2016-06-29 | 绍兴文理学院 | Self -lubricating sliding bearing |
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| Publication number | Publication date |
|---|---|
| CN105485183B (en) | 2018-03-27 |
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Granted publication date: 20180327 Termination date: 20190226 |