CN216056608U - Wind driven generator capable of reducing bearing temperature rise - Google Patents

Wind driven generator capable of reducing bearing temperature rise Download PDF

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Publication number
CN216056608U
CN216056608U CN202121123219.2U CN202121123219U CN216056608U CN 216056608 U CN216056608 U CN 216056608U CN 202121123219 U CN202121123219 U CN 202121123219U CN 216056608 U CN216056608 U CN 216056608U
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bearing
driving end
cover
drive
ball
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CN202121123219.2U
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任博
屈晓鹏
王建
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Yongji Ruifeng Electric Motor Co ltd
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Yongji Ruifeng Electric Motor Co ltd
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Abstract

The utility model relates to the technical field of wind driven generators, in particular to a wind driven generator capable of reducing bearing temperature rise, which comprises a support frame, wherein the inner wall of a generator shell is fixedly connected with a non-driving end connecting plate, the non-driving end connecting plate is detachably connected with a non-driving end bearing inner cover through a bolt, the inner wall of the generator shell is fixedly connected with a driving end connecting plate, the driving end connecting plate is detachably connected with a driving end bearing inner cover through a bolt, the inner walls of the non-driving end bearing inner cover and the driving end bearing inner cover are both detachably connected with a ball bearing device, the generator shell is detachably connected with a non-driving end cover through a bolt, and the non-driving end cover is detachably connected with a non-driving end bearing outer cover through a bolt. On the basis of a common wind driven generator, the utility model solves the defect of high temperature of a bearing at the non-driving end by arranging the ball bearing to replace a double-row roller bearing.

Description

Wind driven generator capable of reducing bearing temperature rise
Technical Field
The utility model relates to the technical field of wind driven generators, in particular to a wind driven generator capable of reducing bearing temperature rise.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components. The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.
When the YJ50 generator on the market is designed, the structure of the YJ50 generator is that the bearing at the driving end is: the driving end NU2226+6226, non-driving end bearing are NU2226, the bearing belongs to the roller bearing, the bearing temperature rise is great in the running process of 750 of the double-row bearing (two ends NU2226), and the temperature rise fault of the non-driving end bearing is easily caused.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a wind driven generator for reducing bearing temperature rise, wherein a ball bearing replaces a double-row roller bearing to overcome the defect of high temperature rise of a non-drive-end bearing.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a wind driven generator for reducing bearing temperature rise is designed, and comprises a support frame, wherein a generator shell is fixedly connected to one side of the support frame, a non-driving end connecting plate is fixedly connected to the inner wall of the generator shell, the non-driving end connecting plate is detachably connected with a non-driving end bearing inner cover through a bolt, a driving end connecting plate is fixedly connected to the inner wall of the generator shell, the driving end connecting plate is detachably connected with a driving end bearing inner cover through a bolt, ball bearing devices are detachably connected to the inner walls of the non-driving end bearing inner cover and the driving end bearing inner cover, a non-driving end cover is detachably connected to the generator shell through a bolt, a non-driving end bearing outer cover is detachably connected to the non-driving end bearing outer cover through a bolt, a bearing outer sealing ring is arranged on the inner wall of the non-driving end bearing outer cover, and a gasket is arranged on one side of the bearing outer sealing ring, a round nut is arranged on one side of the gasket, which is far away from the bearing outer sealing ring, a stator supporting frame is fixedly connected to the inner wall of the generator shell, a rotor is fixedly connected to one side of the stator supporting frame, which is far away from the generator shell, a non-driving end shaft is fixedly connected to one end of the rotor, which is far away from the non-driving end shaft, a pin mounting groove A is formed in the surface of the non-driving end shaft, a pin A is movably inserted into the inner wall of the pin mounting groove A, a pin mounting groove B is formed in the surface of the non-driving end shaft, a pin B is movably inserted into the inner wall of the pin mounting groove B, a driving block is arranged on the surface of the non-driving end shaft, a mounting plate is fixedly connected to one side of the driving block, a plurality of turbines are fixedly connected to one side of the mounting plate, which is close to the driving block, and a protective outer ring is fixedly connected to one side of the turbines, which is far away from the mounting plate, one side of the generator shell, which is far away from the non-driving end cover, is detachably connected with the driving end cover through a bolt, one side of the driving end cover, which is far away from the generator shell, is detachably connected with the driving end bearing outer cover through a bolt, the inner wall of the driving end bearing outer cover is provided with a wave spring gasket, and one side of the non-driving end bearing inner cover, which is close to the ball bearing device, and one side of the driving end bearing inner cover, which is close to the ball bearing device, are provided with a plurality of grease placing grooves.
Preferably, the ball bearing device comprises a ball outer ring, a ball inner ring, balls, a protective ring and connecting pieces, wherein the inner walls of the non-drive-end bearing inner cover and the drive-end bearing inner cover are all detachably connected with the ball outer ring, the ball inner ring is arranged inside the ball outer ring, the ball inner ring and the inner wall of the ball outer ring are all connected with a plurality of balls in a rolling manner, the surfaces of the balls are provided with two protective rings, the surface of the protective ring is detachably connected with the connecting pieces, and the model of the ball bearing device is 6324 ball bearing.
Preferably, the non-drive end bearing inner cover is matched with the non-drive end cover to limit and mount the ball bearing device, and the drive end bearing inner cover is matched with the drive end cover to limit and mount the other ball bearing device.
Preferably, the pin A carries out limit installation on the bearing outer sealing ring, the gasket and the round nut, and the pin B carries out limit installation on the driving block.
Preferably, the current situation of the connecting block of the non-drive-end cover and the drive-end cover is in an isosceles trapezoid shape, the grease placing grooves and the insides of the ball bearing devices are respectively provided with grease, the number of the grease placing grooves in the inner covers of the non-drive-end bearing and the inner covers of the drive-end bearing is six, and the grease placing grooves are arranged in an equal sequence.
Compared with the prior art, the utility model has the beneficial effects that: the double-row roller bearing is replaced by the arrangement of a ball outer ring, a ball inner ring, a ball, a protective ring, a connecting piece and other structures, because the roller and the ball rotate in different modes, the ball bearing mainly utilizes a rolling mode when in operation, so that the friction is smaller, the heat generation is small, then the temperature rise of the 6324 ball bearing is further reduced by arranging a non-driving-end bearing inner cover corresponding to the 6324 ball bearing, a driving-end bearing inner cover, a non-driving-end cover, a non-driving-end bearing outer cover, a driving-end cover, a driving-end bearing outer cover, a stator, a rotor, a non-driving end shaft and a driving end shaft, a grease placing groove is arranged by the non-driving-end bearing inner cover and the driving-end bearing inner cover, the grease is convenient to be added in the grease placing groove, the 6324 ball bearing is cooled by the grease when the 6324 ball bearing operates, and the double-row roller bearing is further provided with the outer sealing ring, The gasket and the round nut seal and limit the 6324 ball bearing, the round nut is clamped through the gasket, the pin mounting groove A and the pin A are arranged, the bearing outer sealing ring is prevented from falling off and further limit the 6324 ball bearing in the rotating process, grease is prevented from leaking through the bearing outer sealing ring, the outer fan is convenient to limit through the pin mounting groove B and the pin B, the driving block is arranged, the mounting plate is arranged, the turbine and the protective outer ring are combined into a new outer fan, the wind power is stronger in the rotating process, the driving end prevents the driving end 6324 ball bearing from loosening through the wave spring gasket, the temperature rise of the driving end 6324 ball bearing is influenced to be overlarge due to poor operation, the 6324 ball bearing is simpler and more convenient to install, and is more economical.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front view of a wind turbine generator with reduced bearing temperature rise according to the present invention;
FIG. 2 is a front sectional view of a wind turbine generator for reducing temperature rise of a bearing according to the present invention;
FIG. 3 is a front view of a new fan structure of a wind driven generator for reducing temperature rise of a bearing according to the present invention;
FIG. 4 is a front view of a ball bearing device of a wind turbine generator for reducing the temperature rise of the bearing according to the present invention;
FIG. 5 is a front view of a non-drive-end bearing inner cap structure of a wind turbine generator with reduced bearing temperature rise according to the present invention;
FIG. 6 is a front view of a bearing inner cap structure of a driving end of a wind driven generator for reducing bearing temperature rise according to the present invention;
fig. 7 is an enlarged view of a structure at a position a of the wind driven generator for reducing the temperature rise of the bearing according to the present invention.
In the figure: 1 support frame, 2 generator shell, 3 non-drive end connecting plate, 4 non-drive end bearing inner cover, 5 drive end connecting plate, 6 drive end bearing inner cover, 7 ball outer ring, 8 ball inner ring, 9 ball, 10 guard ring, 11 connecting piece, 12 non-drive end cover, 13 non-drive end bearing outer cover, 14 bearing outer sealing ring, 15 gasket, 16 round nut, 17 stator support frame, 18 stator, 19 rotor, 20 non-drive end shaft, 21 drive end shaft, 22 pin mounting groove A, 23 pin A, 24 pin mounting groove B, 25 pin B, 26 drive block, 27 mounting plate, 28 turbine, 29 guard outer ring, 30 drive end cover, 31 drive end bearing outer cover, 32 wave spring gasket, 33 grease placing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a wind power generator for reducing bearing temperature rise comprises a support frame 1, one side of the support frame 1 is fixedly connected with a generator housing 2, the inner wall of the generator housing 2 is fixedly connected with a non-driving end connecting plate 3, the non-driving end connecting plate 3 is detachably connected with a non-driving end bearing inner cover 4 through a bolt, the inner wall of the generator housing 2 is fixedly connected with a driving end connecting plate 5, the driving end connecting plate 5 is detachably connected with a driving end bearing inner cover 6 through a bolt, the inner walls of the non-driving end bearing inner cover 4 and the driving end bearing inner cover 6 are both detachably connected with a ball bearing device, the generator housing 2 is detachably connected with a non-driving end cover 12 through a bolt, the non-driving end cover 12 is detachably connected with a non-driving end bearing outer cover 13 through a bolt, the inner wall of the non-driving end bearing outer cover 13 is provided with a bearing outer sealing ring 14, a gasket 15 is arranged on one side of the bearing outer sealing ring 14, a round nut 16 is arranged on one side of the gasket 15, which is far away from the bearing outer sealing ring 14, a stator support frame 17 is fixedly connected to the inner wall of the generator shell 2, a rotor 19 is fixedly connected to one side of the stator support frame 17, which is far away from the generator shell 2, one end of the rotor 19 is fixedly connected with a non-driving end shaft 20, one end of the rotor 19, which is far away from the non-driving end shaft 20, is fixedly connected with a driving end shaft 21, a pin mounting groove A22 is formed in the surface of the non-driving end shaft 20, a pin A23 is movably inserted in the inner wall of the pin mounting groove A22, a pin mounting groove B is formed in the surface of the non-driving end shaft 20, a pin B25 is movably inserted in the inner wall of the pin mounting groove B, a driving block 26 is arranged on the surface of the non-driving end shaft 20, a mounting plate 27 is fixedly connected with a mounting plate 27, and a plurality of turbines 28 are fixedly connected to one side of the mounting plate 27, which is close to the driving block 26, one side fixedly connected with protection outer ring 29 that mounting panel 27 was kept away from to turbine 28, one side that non-drive end cover 12 was kept away from to generator housing 2 is connected with drive end cover 30 through the bolt is detachable, one side that drive end cover 30 was kept away from generator housing 2 is connected with drive end bearing enclosing cover 31 through the bolt is detachable, the inner wall of drive end bearing enclosing cover 31 is equipped with wave spring gasket 32, a plurality of grease standing grooves 33 have all been seted up to one side that non-drive end bearing inner cup 4 is close to ball bearing device and one side that drive end bearing inner cup 6 is close to ball bearing device.
Specifically, ball bearing device includes ball outer lane 7, ball inner circle 8, ball 9, guard ring 10 and connecting piece 11, non-drive end bearing inner cup 4 is connected with ball outer lane 7 with drive end bearing inner cup 6's inner wall is all detachable, the inside of ball outer lane 7 is equipped with ball inner circle 8, ball inner circle 8 and ball outer lane 7's inner wall all roll connection has a plurality of balls 9, ball 9's surface is equipped with two guard rings 10, guard ring 10's surface is detachable to be connected with a plurality of connecting pieces 11, ball bearing device's model is 6324 ball bearing.
Specifically, the non-drive end bearing inner cover 4 is matched with the non-drive end cover 12 to perform limit installation on the ball bearing device, and the drive end bearing inner cover 6 is matched with the drive end cover 30 to perform limit installation on the other ball bearing device.
Specifically, pin a23 is used for limiting installation of bearing outer sealing ring 14, washer 15 and round nut 16, and pin B25 is used for limiting installation of drive block 26.
Specifically, the current situation of the connecting block between the non-driving-end cover 12 and the driving-end cover 30 is an isosceles trapezoid, the grease placing grooves 33 and the insides of the ball bearing devices are respectively provided with grease, the number of the grease placing grooves 33 inside the non-driving-end bearing inner cover 4 and the driving-end bearing inner cover 6 is six, and the grease placing grooves are all arranged in an equal sequence.
The use principle and the use flow of the utility model are as follows: the double-row roller bearing is replaced by arranging the structures such as the ball outer ring 7, the ball inner ring 8, the ball 9, the protective ring 10, the connecting piece 11 and the like, because the roller and the rolling ball rotate in different modes, the rolling ball bearing mainly utilizes a rolling mode when in operation, so that the friction force is smaller, the heat generation is small, then the 6324 ball bearing is further reduced and improved by arranging the non-driving end bearing inner cover 4, the driving end bearing inner cover 6, the non-driving end cover 12, the non-driving end bearing outer cover 13, the driving end cover 30, the driving end bearing outer cover 31, the stator 18, the rotor 19, the non-driving end shaft 20 and the driving end shaft 21 corresponding to the 6324 ball bearing, the grease placing groove 33 is arranged through the non-driving end bearing inner cover 4 and the driving end bearing inner cover 6, the grease is convenient to add the grease in the grease placing groove 33, the 6324 ball bearing is cooled through the grease when the 6324 ball bearing operates, the 6324 ball bearing is sealed and limited by arranging the bearing outer sealing ring 14, the gasket 15 and the round nut 16, the round nut 16 is clamped by the gasket 15, the pin installation groove A22 and the pin A23 are arranged to prevent the bearing outer sealing ring 14, the gasket 15 and the round nut 16 from falling off in the rotating process and further limit the 6324 ball bearing, the grease is prevented from leaking by arranging the bearing outer sealing ring 14, the external fan is limited by arranging the pin installation groove B24 and the pin B25, a new external fan is combined by the driving block 26, the mounting plate 27, the turbine 28 and the protective outer ring 29, the wind power is stronger in the rotating process, the driving end is prevented from loosening the driving end 6324 ball bearing by arranging the wave spring gasket 32, and therefore the temperature rise of the driving end 6324 ball bearing caused by poor operation is influenced, 6324 the ball bearing is easier, more convenient and more economical to install.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A wind driven generator capable of reducing bearing temperature rise comprises a support frame (1) and is characterized in that a generator shell (2) is fixedly connected to one side of the support frame (1), a non-driving end connecting plate (3) is fixedly connected to the inner wall of the generator shell (2), the non-driving end connecting plate (3) is detachably connected with a non-driving end bearing inner cover (4) through a bolt, a driving end connecting plate (5) is fixedly connected to the inner wall of the generator shell (2), the driving end connecting plate (5) is detachably connected with a driving end bearing inner cover (6) through a bolt, the inner walls of the non-driving end bearing inner cover (4) and the driving end bearing inner cover (6) are both detachably connected with a ball bearing device, the generator shell (2) is detachably connected with a non-driving end cover (12) through a bolt, the non-driving end cover (12) is detachably connected with a non-driving end bearing outer cover (13) through a bolt, the inner wall of the non-driving end bearing outer cover (13) is provided with a bearing outer sealing ring (14), one side of the bearing outer sealing ring (14) is provided with a gasket (15), one side, far away from the bearing outer sealing ring (14), of the gasket (15) is provided with a round nut (16), the inner wall of the generator shell (2) is fixedly connected with a stator support frame (17), one side, far away from the generator shell (2), of the stator support frame (17) is fixedly connected with a rotor (19), one end of the rotor (19) is fixedly connected with a non-driving end shaft (20), one end, far away from the non-driving end shaft (20), of the rotor (19) is fixedly connected with a driving end shaft (21), the surface of the non-driving end shaft (20) is provided with a pin mounting groove A (22), the inner wall of the pin mounting groove A (22) is movably inserted with a pin A (23), and the surface of the non-driving end shaft (20) is provided with a pin mounting groove B, pin B (25) is pegged graft in pin mounting groove B's inner wall activity, the surface of non-drive end axle (20) is equipped with drive block (26), one side fixedly connected with mounting panel (27) of drive block (26), one side fixedly connected with a plurality of turbines (28) of drive block (26) are close to in mounting panel (27), one side fixedly connected with protection outer ring (29) of mounting panel (27) are kept away from in turbine (28), one side that non-drive end cover (12) were kept away from in generator housing (2) is connected with drive end cover (30) through the bolt is detachable, one side that generator housing (2) were kept away from in drive end cover (30) is connected with drive end bearing enclosing cover (31) through the bolt is detachable, the inner wall of drive end bearing enclosing cover (31) is equipped with wave spring gasket (32), one side that non-drive end bearing inner cover (4) are close to ball bearing device is close to ball bearing device and drive end bearing inner cover (6) are close to ball bearing device A plurality of grease holding grooves (33) are arranged on one side of the device.
2. The wind driven generator capable of reducing the temperature rise of the bearing is characterized in that the ball bearing device comprises a ball outer ring (7), a ball inner ring (8), balls (9), a protective ring (10) and connecting pieces (11), the ball outer ring (7) is detachably connected to the inner walls of the non-drive-end bearing inner cover (4) and the drive-end bearing inner cover (6), the ball inner ring (8) is arranged inside the ball outer ring (7), the balls (9) are respectively connected to the inner walls of the ball inner ring (8) and the ball outer ring (7) in a rolling manner, the two protective rings (10) are arranged on the surface of each ball (9), the connecting pieces (11) are detachably connected to the surface of each protective ring (10), and the ball bearing device is a 6324 ball bearing.
3. A wind power generator with reduced bearing temperature rise according to claim 1, characterized in that the engagement of the non-drive-end bearing inner cover (4) with the non-drive-end cap (12) provides a positive mounting of a ball bearing device, and the engagement of the drive-end bearing inner cover (6) with the drive-end cap (30) provides a positive mounting of another ball bearing device.
4. The wind driven generator for reducing the temperature rise of the bearing is characterized in that the pin A (23) carries out limit mounting on the bearing outer sealing ring (14), the gasket (15) and the round nut (16), and the pin B (25) carries out limit mounting on the driving block (26).
5. The wind driven generator capable of reducing the bearing temperature rise according to claim 1, wherein the connecting block between the non-drive-end cover (12) and the drive-end cover (30) is in an isosceles trapezoid shape, grease is added in the grease placing grooves (33) and the ball bearing device, the number of the grease placing grooves (33) in the non-drive-end bearing inner cover (4) and the drive-end bearing inner cover (6) is six, and the grease placing grooves are arranged in an equal sequence.
CN202121123219.2U 2021-05-25 2021-05-25 Wind driven generator capable of reducing bearing temperature rise Active CN216056608U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121123219.2U CN216056608U (en) 2021-05-25 2021-05-25 Wind driven generator capable of reducing bearing temperature rise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121123219.2U CN216056608U (en) 2021-05-25 2021-05-25 Wind driven generator capable of reducing bearing temperature rise

Publications (1)

Publication Number Publication Date
CN216056608U true CN216056608U (en) 2022-03-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121123219.2U Active CN216056608U (en) 2021-05-25 2021-05-25 Wind driven generator capable of reducing bearing temperature rise

Country Status (1)

Country Link
CN (1) CN216056608U (en)

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