CN109327100B - Bearing chamber installation assembly and wind driven generator - Google Patents
Bearing chamber installation assembly and wind driven generator Download PDFInfo
- Publication number
- CN109327100B CN109327100B CN201811126816.3A CN201811126816A CN109327100B CN 109327100 B CN109327100 B CN 109327100B CN 201811126816 A CN201811126816 A CN 201811126816A CN 109327100 B CN109327100 B CN 109327100B
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- bearing
- crack
- storage cavity
- bearing seat
- grease
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a bearing chamber installation assembly and a wind driven generator, wherein the bearing chamber installation assembly comprises a bearing seat, a bearing chamber inner cover, a bearing chamber outer cover and a bearing retainer, an inner grease storage cavity is formed by the bearing seat, the bearing chamber inner cover and the inner end surface of the bearing retainer, an outer grease storage cavity is formed by the bearing retainer outer end surface, the bearing seat and the bearing chamber outer cover, a waste grease discharge port is arranged in the outer grease storage cavity, the inner grease storage cavity and the outer grease storage cavity are communicated through a grease throwing gap arranged between the inner grease storage cavity and the outer grease storage cavity, the grease throwing gap is formed by a crack between the outer edge of the bearing retainer and the bearing seat, the crack is a horn-shaped crack, and the large end of the crack faces the inner grease storage cavity. The waste grease is discharged smoothly through the oil throwing gap, and the backflow of the waste grease is prevented to cause secondary pollution.
Description
Technical Field
the invention particularly relates to a bearing chamber installation assembly and a wind driven generator.
Background
The wind driven generator is used as a key part for realizing energy conversion in the wind turbine generator, wherein a generator bearing plays a role in supporting the rotor to rotate accurately. In order to ensure the continuous and stable operation of the bearing, the rolling bodies, the roller paths and the like of the bearing are required to be well lubricated.
The lubricated waste grease needs to be discharged in time to avoid the damage of the waste grease to the moving parts of the bearing, and the excessive waste grease is accumulated in the bearing chamber to cause the continuous rise of the running temperature of the bearing.
The novel bearing chamber structure of the motor comprises an inner bearing cover, an end cover and an outer bearing cover, wherein an oil filling hole is formed in the outer bearing cover, a lubricating channel communicated with the oil filling hole is formed in the end cover, the lubricating channel is communicated with the inner bearing chamber, namely a space between the inner end cover and a bearing, an oil deflector ring radially extends out of one side of the bearing hole of the end cover, which faces the outer bearing end cover, an inner grease storage cavity is formed between the oil deflector ring and the bearing, an oil thrower fixedly sleeved on a rotating shaft is arranged on one side of the oil deflector ring, which faces the outer bearing cover, an oil thrower gap is reserved on the opposite side of the oil thrower ring and the oil slinger, lubricating grease is injected from the oil filling hole in the outer bearing cover, enters one side of the inner bearing cover through the lubricating channel, is lubricated through the bearing, waste grease and redundant lubricating grease enter an oil storage cavity, and the oil thrower rotate along with the rotation of the rotating shaft, centrifugal force is generated by the rotation of the oil thrower, and waste grease and the waste grease An outer grease storage cavity is formed between the outer bearing covers, and a waste grease collector communicated with the outer grease storage cavity is arranged at the lower part of the outer bearing cover. However, when the oil slinger rotates, the oil slinger gap is a vertical channel, so that waste grease is not discharged through the oil slinger gap, and meanwhile, the waste grease attached to the side wall of the oil baffle ring easily flows into the inner grease storage cavity again, so that the grease in the inner grease storage cavity is polluted.
Disclosure of Invention
the invention aims to provide a bearing chamber installation assembly, which is used for solving the problem that waste grease in an inner grease storage cavity cannot be smoothly discharged and flows back to the inner grease storage cavity; the invention also aims to provide a wind driven generator, which is used for solving the problem that waste grease in the inner grease storage cavity cannot be smoothly discharged and flows back to the inner grease storage cavity, so that great hidden danger is brought to the running of a bearing of the wind driven generator.
in order to achieve the purpose, the technical scheme of the bearing chamber installation assembly is as follows:
Bearing room installation assembly, including bearing frame, bearing room inner cup, bearing room enclosing cover and bearing shelves, the face forms interior fat chamber of storing up in bearing frame, bearing room inner cup and the bearing shelves, and outer face, bearing frame and the outer lid of bearing shelves form outer fat chamber of storing up, and outer fat chamber of storing up is equipped with the waste grease discharge port, interior fat chamber with outer fat chamber of storing up is through setting up interior fat chamber with store up the oil clearance intercommunication of getting rid of between the fat chamber outward, get rid of the oil clearance and constitute by the crack between bearing shelves outer fringe and the bearing frame, the crack is tubaeform's crack, the main aspects of crack are towards interior fat chamber of storing up.
the beneficial effects are that: bearing shelves and bearing frame are cut apart into outer fat storage chamber and interior fat storage chamber with the bearing room, get rid of the assembly crack of the oil clearance for the two of bearing shelves and bearing frame, the structural design who gets rid of the oil clearance has been simplified, the crack is the tubaeform crack of the inside fat storage cavity of main aspects, make things convenient for the bearing shelves at rotatory in-process, the useless fat that is located interior fat storage chamber is at the effect of centrifugal force, discharge through getting rid of the oil clearance, the one side in the fat storage chamber in the main aspects orientation of while crack, the hindrance is located the useless fat backward flow of outer fat storage chamber to interior fat storage chamber, store up the grease in the fat chamber in the pollution.
Furthermore, one end of the bearing retainer close to the bearing seat is limited to be a folded edge folded towards the outer grease storage cavity, and the gap is formed by the folded edge of the bearing retainer and the bearing seat in a surrounding mode.
The beneficial effects are that: one end of the bearing retainer, which is close to the bearing seat, is designed to be a folded edge folded towards the outer grease storage cavity, and the structural design is simplified by changing the structural design of the bearing retainer.
Further, it is injectd that the terminal surface that the bearing shelves is close to bearing frame one end forms the contained angle with the terminal surface that the bearing frame is close to bearing shelves one end, the value range of the minimum distance of the terminal surface that the bearing shelves are close to bearing frame one end and the terminal surface that the bearing frame is close to bearing shelves one end is 1mm to 2 mm.
The beneficial effects are that: the terminal surface that is close to bearing frame one end with the bearing shelves forms the contained angle with the terminal surface that the bearing frame is close to bearing shelves one end, and the value scope of minimum distance is 1mm to 2mm, just gets into the outer fat chamber that stores up of the rotatory in-process of bearing of the just useless fat in storage fat chamber in the convenience, prevents simultaneously that the useless fat in outer storage fat chamber from entering in storage fat chamber, carries out secondary pollution to the grease in inner storage fat chamber.
Further, the bearing retainer is limited to comprise a matching part matched with the rotating shaft and an extending part extending towards the direction of the bearing seat, and the thickness of the extending part is gradually reduced along the direction of the bearing seat.
The beneficial effects are that: the thickness of extension portion is steadilyd decrease in proper order along the bearing frame direction, has alleviateed the whole weight of bearing shelves, and the thickness of cooperation portion is the biggest simultaneously, makes things convenient for the dismouting of bearing shelves, has reduced the harm that causes the bearing shelves body when the dismouting.
The technical scheme of the wind driven generator is as follows:
Aerogenerator, including the bearing box, the bearing is installed through the bearing frame in one side that is used for installing the fan blade of bearing box, installs the bearing room enclosing cover in the bearing outside, installs the bearing room inner cup in the bearing inboard, installs the bearing shelves between bearing room enclosing cover and the bearing, forms outer storage fat chamber between bearing shelves and the bearing room enclosing cover, and the bearing room inner cup between form in store up the fat chamber, store up the fat chamber outward and have the waste fat discharge port, in store up the fat chamber with outer storage fat chamber is through setting up in store up the fat chamber with store up the oil clearance intercommunication of getting rid of between the fat chamber outward, get rid of the oil clearance and constitute by the crack between bearing shelves outer fringe and the bearing frame, the crack is tubaeform crack, the main aspects orientation of crack store up the fat chamber in.
The beneficial effects are that: bearing shelves and bearing frame are cut apart into outer fat storage chamber and interior fat storage chamber with the bearing room, will throw away the oil clearance and set up between the bearing frame, and for the assembly crack of the two of bearing shelves and bearing frame, the structural design who has simplified the oil clearance of throwing away, the crack is the tubaeform crack of main aspects inside storage fat cavity, make things convenient for the bearing shelves at rotatory in-process, the useless fat that is located interior storage fat chamber is at the effect of centrifugal force, discharge through throwing away the oil clearance, the crack main aspects is towards one side of interior storage fat chamber simultaneously, the useless fat that blocks to be located outer storage fat chamber flows back to interior fat storage chamber, the grease in the interior fat storage chamber of pollution.
Furthermore, one end of the bearing retainer close to the bearing seat is limited to be a folded edge folded towards the outer grease storage cavity, and the gap is formed by the folded edge of the bearing retainer and the bearing seat in a surrounding mode.
The beneficial effects are that: one end of the bearing retainer, which is close to the bearing seat, is designed to be a folded edge folded towards the outer grease storage cavity, and the structural design is simplified by changing the structural design of the bearing retainer.
Further, defining: the bearing block is characterized in that an included angle is formed between the end face of one end, close to the bearing seat, of the bearing block and the end face of one end, close to the bearing block, of the bearing seat, and the minimum distance between the end face of one end, close to the bearing seat, of the bearing block and the end face of one end, close to the bearing block, of the bearing seat ranges from 1mm to 2 mm.
The beneficial effects are that: the terminal surface that is close to bearing frame one end with the bearing shelves forms the contained angle with the terminal surface that the bearing frame is close to bearing shelves one end, and the value scope of minimum distance is 1mm to 2mm, just gets into the outer fat chamber that stores up of the rotatory in-process of bearing of the just useless fat in storage fat chamber in the convenience, prevents simultaneously that the useless fat in outer storage fat chamber from entering in storage fat chamber, carries out secondary pollution to the grease in inner storage fat chamber.
further, defining: the bearing retainer comprises a matching part matched with the rotating shaft and an extension part extending towards the direction of the bearing seat, and the thickness of the extension part is gradually reduced along the direction of the bearing seat.
The beneficial effects are that: the thickness of extension portion is steadilyd decrease in proper order along the bearing frame direction, has alleviateed the whole weight of bearing shelves, and the thickness of cooperation portion is the biggest simultaneously, makes things convenient for the dismouting of bearing shelves, has reduced the harm that causes the bearing shelves body when the dismouting.
Drawings
FIG. 1 is an assembled schematic view of a bearing housing mounting assembly of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1I;
FIG. 3 is an enlarged view of a portion of FIG. 1 II;
FIG. 4 is a left side view of the bearing housing mounting assembly of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 III;
In the drawings, 1-axis of rotation; 2-oil seal ring; 3-bearing chamber outer cover; 4-bearing seats; 5-oil injection channel; 6-a bearing; 7-bearing chamber inner cover; 8-bearing step; 9-oil slinger; 10-waste grease discharge channel; 11-a connection hole; 12-a waste fat collector; 13-a one-way separator; 131-a first unidirectional separator; 132-a second unidirectional separator; 14-oil slinging clearance; 15-a limiting block; 151-a first stopper; 152-a second stopper; 16-forced discharge means; 161-piston cylinder; 162-a piston rod; 163-rubber head; 17-a fixed part; 18-moving part.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the embodiment of the bearing chamber installation assembly of the present invention, the bearing chamber installation assembly includes an inner grease storage chamber and an outer grease storage chamber, as shown in fig. 1, the inner grease storage chamber is defined by the inner end surfaces of the bearing chamber inner cover 7, the bearing seat 4 and the bearing retainer 8, the bearing is located in the inner grease storage chamber, the oil injection channel 5 is arranged inside the bearing seat 4, and the oil injection channel 5 connects the inner grease storage chamber and the bearing chamber.
the outer grease storage cavity is formed by enclosing the outer end face of the bearing retainer 8, the bearing seat 4 and the bearing chamber outer cover 3, an oil slinger 9 is arranged between the bearing retainer 8 and the bearing chamber outer cover 3, the outer grease storage cavity and the inner grease storage cavity are separated by the bearing retainer 8 and the bearing seat 4 together, and a horn-shaped gap is reserved between the bearing retainer 8 and the bearing seat 4, and is an oil slinging gap 14 for communicating the inner grease storage cavity and the outer grease storage cavity as shown in fig. 3.
The bottom of the outer grease storage cavity is provided with a waste grease discharge channel 10, the other end of the waste grease discharge channel 10 is fixedly connected with a waste grease collector 12, the side wall of the waste grease discharge channel 10 is provided with a connecting hole 11, the connecting hole 11 is connected with a forced discharge device 16, the forced discharge device comprises a piston cylinder 161 connected with the waste grease discharge channel 10 and a piston hermetically and slidably connected with the inner wall of the piston cylinder 161, the waste grease discharge channel 10 is further provided with two one-way partition plates, the two one-way partition plates are respectively arranged on the upper side and the lower side of the connecting hole 11, the upper side of the connecting hole is provided with a first one-way partition plate 131, the lower side of the connecting hole is provided with a second one-way partition plate 132, the one-way partition plate comprises a fixed part fixedly connected with the waste grease discharge channel 10 and a movable part hinged with the fixed part, and the side wall of.
Specifically, the bearing seat 4 and the bearing retainer 8 separate an inner grease storage cavity from an outer grease storage chamber, a crack is reserved between the bearing seat 4 and the bearing retainer 8, namely, an oil throwing gap 14 is formed, one end of the bearing retainer is matched with the rotating shaft 1, namely, a matching part, the other end of the bearing retainer is extended towards the bearing seat direction, namely, an extending part, the thickness of the extending part is gradually reduced along the direction of the bearing seat, one end, close to the bearing seat 4, of the bearing retainer 8 is a folded edge folded towards the outer grease storage cavity, the end face of the folded edge is an inclined plane with an inclination angle of 15-30 degrees, one end, close to the bearing retainer 4, of the bearing retainer 8 is a horizontal plane, the end face of the folded edge and the horizontal plane form an included angle of 15 degrees, the distance between the starting position of the inclined plane and the.
Interior fat chamber is enclosed by the outer terminal surface of bearing indoor cover 7, the terminal surface in 4 sides of bearing frame and the bearing shelves 8, and bearing 6 is installed between bearing indoor cover 7 and bearing shelves 8 with 4 interference fit of bearing frame, and pivot 1 passes the bearing inner race and with bearing inner race interference fit, and bearing frame 4 is provided with oiling channel 5, and oiling channel 5 communicates the bearing indoor portion and interior fat chamber, and oiling channel 5 is "L" shape, and oiling channel 5 is close to interior fat chamber one end level setting.
An outer grease storage cavity is defined by the outer end face of a bearing retainer 8, the inner end face of a bearing chamber outer cover 3 and the side face of a bearing seat 4, an oil seal ring 2 is sleeved on a rotating shaft 1 and used for sealing the bearing chamber, the bearing chamber outer cover 3 is sleeved outside the oil seal ring 2, an oil slinger 9 which is used for accelerating grease liquefaction and sleeved on the rotating shaft 1 is further arranged between the bearing retainer 8 and the bearing chamber outer cover 3, a waste grease discharge channel 10 is arranged at the bottom of the outer grease storage chamber, a connecting hole 11 communicated with the waste grease discharge channel 10 is radially arranged on the side wall of the middle part of the waste grease discharge channel 10, a thread is arranged on the connecting hole 11, a piston cylinder 161 of a forced discharge device 16 is in thread fit with the connecting hole 11, a plug is in thread connection with the connecting hole 11 in the working process of the bearing 6, the forced discharge device 16 further comprises a piston which is in sealed sliding connection with the inner wall of the, the rubber head 163 is in sealing sliding fit with the inner wall of the piston cylinder 161, a piston fixing hole is formed in the bottom of the piston cylinder 161, the piston rod 162 penetrates through the piston fixing hole and is in clearance fit with the piston fixing hole, one end of the piston rod 162 is connected with the rubber head 163 installed in the piston cylinder 161, the other end of the piston rod 162 extends out of the piston cylinder 161, and a handle used for pushing and pulling the piston rod 162 is arranged at the tail end of the piston rod 162.
Two one-way partition plates with consistent opening directions are arranged on the side wall of the waste fat discharging device, as shown in fig. 2, the two one-way partition plates are respectively arranged on the upper side and the lower side of the connecting hole 11, the upper side is a first one-way partition plate 131, the lower side is a second one-way partition plate 132, the one-way partition plate 13 comprises a fixed part 17 welded on the inner wall of the waste fat discharging device and a movable part 18 hinged with the fixed part 17, the one-way partition plate 13 in a closed state can block the waste fat discharging channel 10, the length of the fixed part 17 is one third of the width of the waste fat discharging channel 10, the length of the movable part 18 is two thirds of the waste fat discharging channel 10, the movable part 18 can rotate around the hinged part with the fixed part 17, in order to enable the opening angle of the one-way partition plate 13 to be 0-60 degrees, when the movable part 18 is overturned around the hinged part, the upper side of the fixed part 17, the one-way partition plate 13 is caused to be Two limit blocks stopped by the moving portion 18, the height of the limit block 15 is the same as the height of the corresponding fixing portion 17, the first limit block 151 corresponds to the first one-way partition 131, and the second limit block 152 corresponds to the second one-way partition 132.
The tail end of the waste grease discharging channel 10 is provided with an internal thread, the tail end is in threaded connection with a waste grease collector 12, as shown in fig. 4, the waste grease collector 12 is a flat-bottomed round bottle, and the diameter of the bottle mouth is larger than the inner diameter of the waste grease discharging channel 10 and smaller than the outer diameter of the waste grease discharging channel 10.
In the bearing maintenance process or when the bearing temperature is high and the bearing chamber needs to be cleaned, the plug installed in the connecting hole is screwed out, the forced discharging device 16 is screwed into the connecting hole, when the piston rod of the forced discharging device 16 is not pushed, the one-way partition plates 13 located on the upper side and the lower side in the waste grease discharging channel are opened by 60 degrees downwards under the action of gravity, and the movable parts of the one-way partition plates 13 are in an opening state.
The piston rod is pushed towards the direction close to the waste grease discharging channel, the piston rod drives the rubber head to move inwards to generate pressure, the movable part of the first one-way partition plate 131 upwards rotates around the hinged part of the fixed part, the movable part stops rotating after touching the limiting block, the second one-way partition plate 132 is in a closed state at the moment, the first one-way partition plate 131 is in an open state, and the pressure drives the waste grease at the lower end of the connecting hole to move towards the waste grease collector and flow into the waste grease collector.
The piston rod is pulled towards the direction far away from the waste grease discharging channel, the second one-way partition plate 132 is closed, the first one-way partition plate 131 is opened, pressure drives the waste grease positioned at the upper end of the connecting hole to move towards the waste grease collector, meanwhile, the waste grease below the second one-way partition plate 132 is prevented from flowing back upwards, the cleaning work of the waste grease in the bearing chamber is completed through reciprocating push-pull, the forced discharging device 16 is dismounted, and the plug is screwed in.
In this embodiment, the waste grease collector is screwed to the waste grease discharging passage, and in other embodiments, the waste grease collector and the waste grease discharging passage may be connected by a bolt.
In this embodiment, for guaranteeing that the angle of opening of getting rid of the oil clearance is 15, the value range of minimum distance is 1mm ~ 2mm, sets up the bearing frame near bearing shelves one end to the horizontal plane, sets up the bearing shelves near the bearing frame one end to the inclined plane, in other embodiments, also can all set up the bearing frame near bearing shelves one end and bearing shelves near the bearing frame one end to the inclined plane or at least one end is the inclined plane.
In this embodiment, the bearing keeps off the terminal surface that is close to bearing frame one end and the terminal surface that the bearing frame is close to bearing shelves one end and forms the contained angle, for optimal implementation, lets useless fat pass through more smoothly and gets rid of the oil clearance, in other embodiments, can keep off the terminal surface that is close to bearing frame one end and the terminal surface that the bearing frame is close to bearing shelves one end and form horizontal crack, also can let useless fat pass through.
In this embodiment, the waste grease discharging channel is directly arranged at the bottom of the outer grease storage cavity, and in other instances, the waste grease discharging channel can be connected to the bottom of the outer grease storage cavity through threads or bolts.
The embodiment of the wind power generator is as follows: the wind driven generator comprises a machine body and a bearing chamber installation assembly arranged in the machine body, wherein the structure of the bearing chamber installation assembly is the same as that of the bearing chamber installation assembly, and the bearing chamber installation assembly are not described one by one.
Claims (4)
1. Bearing room installation assembly, including bearing frame, bearing room inner cup, bearing room enclosing cover and bearing shelves, store up the fat chamber in the terminal surface formation in bearing frame, the bearing room inner cup and the bearing shelves, the outer terminal surface of bearing shelves, bearing frame and the outer lid of bearing room form and store up the fat chamber outward, store up the fat chamber outward and be equipped with the waste fat discharge port, interior store up the fat chamber with store up the fat chamber outward through setting up store up the fat chamber in with store up the oil clearance intercommunication that gets rid of between the fat chamber outward, its characterized in that: the oil throwing gap is formed by a crack between the outer edge of the bearing retainer and the bearing seat, the crack is a horn-shaped crack, the large end of the crack faces the inner grease storage cavity, one end, close to the bearing seat, of the bearing retainer is a folded edge folded outwards to the grease storage cavity, the crack is formed by the folded edge of the bearing retainer and the bearing seat in a surrounding mode, the bearing retainer comprises a matching portion matched with the rotating shaft and an extension portion extending towards the direction of the bearing seat, the thickness of the extension portion is gradually reduced along the direction of the bearing seat, the face, used for forming the outer grease storage cavity, of the extension portion is an inclined face gradually inclined along the direction of the bearing seat, the face, used for forming the inner grease storage cavity, of the extension portion is a vertical plane, the large end of the crack faces the outer ring of the bearing, and the inner side of the large end of the crack is more outward than the inner side of the outer.
2. The bearing housing mounting assembly of claim 1 wherein: the bearing block is characterized in that an included angle is formed between the end face of one end, close to the bearing seat, of the bearing block and the end face of one end, close to the bearing block, of the bearing seat, and the minimum distance between the end face of one end, close to the bearing seat, of the bearing block and the end face of one end, close to the bearing block, of the bearing seat ranges from 1mm to 2 mm.
3. Aerogenerator, including the bearing box, the bearing is installed through the bearing frame in one side that is used for installing the fan blade of bearing box, installs the bearing room enclosing cover in the bearing outside, installs the bearing room inner cup in the bearing inboard, installs the bearing shelves between bearing room enclosing cover and the bearing, forms outer storage fat chamber between bearing shelves and the bearing room enclosing cover, and the bearing room inner cup between store up the fat chamber in forming, store up the fat chamber outward and have the waste fat discharge port, interior storage fat chamber with outer storage fat chamber is through setting up in store up the fat chamber with store up the oil clearance intercommunication of getting rid of between the fat chamber outward, its characterized in that: the oil throwing gap is formed by a crack between the outer edge of the bearing retainer and the bearing seat, the crack is a horn-shaped crack, the large end of the crack faces the inner grease storage cavity, one end, close to the bearing seat, of the bearing retainer is a folded edge folded outwards to the grease storage cavity, the crack is formed by the folded edge of the bearing retainer and the bearing seat in a surrounding mode, the bearing retainer comprises a matching portion matched with the rotating shaft and an extension portion extending towards the direction of the bearing seat, the thickness of the extension portion is gradually reduced along the direction of the bearing seat, the face, used for forming the outer grease storage cavity, of the extension portion is an inclined face gradually inclined along the direction of the bearing seat, the face, used for forming the inner grease storage cavity, of the extension portion is a vertical plane, the large end of the crack faces the outer ring of the bearing, and the inner side of the large end of the crack is more outward than the inner side of the outer.
4. A wind power generator according to claim 3, wherein: the bearing block is characterized in that an included angle is formed between the end face of one end, close to the bearing seat, of the bearing block and the end face of one end, close to the bearing block, of the bearing seat, and the minimum distance between the end face of one end, close to the bearing seat, of the bearing block and the end face of one end, close to the bearing block, of the bearing seat ranges from 1mm to 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126816.3A CN109327100B (en) | 2018-09-26 | 2018-09-26 | Bearing chamber installation assembly and wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126816.3A CN109327100B (en) | 2018-09-26 | 2018-09-26 | Bearing chamber installation assembly and wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109327100A CN109327100A (en) | 2019-02-12 |
| CN109327100B true CN109327100B (en) | 2019-12-10 |
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| CN201811126816.3A Active CN109327100B (en) | 2018-09-26 | 2018-09-26 | Bearing chamber installation assembly and wind driven generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110594297A (en) * | 2019-09-30 | 2019-12-20 | 山东东华水泥有限公司 | Grease distributor with waste grease forced suction and discharge function |
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| US7713028B2 (en) * | 2006-11-27 | 2010-05-11 | Ning Liao | Turbine blade assembly |
| CN202091119U (en) * | 2011-05-16 | 2011-12-28 | 杨永新 | Wind pressure variable-pitch wind driven generator |
| CN202679128U (en) * | 2012-05-08 | 2013-01-16 | 山东华力电机集团股份有限公司 | Lubrication device of motor bearing |
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| CN109327100A (en) | 2019-02-12 |
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