CN217842644U

CN217842644U - Sealing device for bearing seat of wind driven generator

Info

Publication number: CN217842644U
Application number: CN202221420361.8U
Authority: CN
Inventors: 王金生; 王勇
Original assignee: Changzhou Kloster Machinery Co ltd
Current assignee: Changzhou Kloster Machinery Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-11-18
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to a aerogenerator's main shaft bearing seals technical field, specifically be an aerogenerator bearing frame sealing device, it avoids producing the gap between sealing rubber circle and the bearing inner race, prevent that this internal lubricating grease of bearing from staying to the external world, its leakproofness has been improved, the practicality is better, comprising a support, the top welding of support has the bearing frame body, the rotation hole has been seted up to the inside of bearing frame body, it is connected with the bearing body to rotate downthehole rotation, the bearing body includes bearing inner race and bearing inner race, the bar hole has been seted up on the bearing outer race, be provided with a plurality of spherical roller between bearing inner race and the bearing inner race, all through holder fixed connection between a plurality of spherical roller, multiunit seal assembly is installed to the front end of bearing body, seal assembly includes the connecting block, the regulation hole has been seted up to the inside of connecting block, the downthehole welding of regulation has the thread bush, the inside threaded rod of thread bush is connected with the threaded rod.

Description

Sealing device for bearing seat of wind driven generator

Technical Field

The utility model relates to a aerogenerator's main shaft bearing seals technical field specifically is an aerogenerator bearing frame sealing device.

Background

As is well known, a wind turbine generator generally includes a wind turbine, a gearbox, a generator, a controller, a structural member, and the like, but a main shaft bearing of a megawatt wind turbine generator has poor sealing performance, when the wind turbine generator works, friction exists between the bearing and a bearing seat, and lubricating oil needs to be injected, but the oil leakage problem of the lubricating oil is common, and external pollutants such as dust can enter the bearing to affect the service life of the bearing.

Through the retrieval, the utility model discloses a aerogenerator main shaft bearing sealing device that patent publication number is CN205315510U, including port lid I, main shaft bearing, rolling element, bearing frame, port lid II and port lid mounting hole, on port lid I and port lid II passed through the bolt fastening on the bearing frame, the upper groove had been seted up to main shaft bearing's the first half, and the lower recess has been seted up to its the latter half, and the rolling element sets up between upper groove and lower recess, is equipped with the sealing washer between port lid I and port lid II and the axle sleeve.

Although the technical problem that the rubber sealing ring cannot be installed due to insufficient thickness of the outer sealing ring is solved through unique structural design in the prior art scheme, the following defects still exist: it is after long-time the use, because the bearing rotates for a long time and rubs rubber seal, causes rubber seal to receive wearing and tearing and the attenuation, leads to rubber seal and to appearing the gap between the bearing body, and the leakproofness reduces, and this internal lubricating grease of bearing flows out from the gap simultaneously, causes the pollution to external environment, and whole practicality is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a aerogenerator bearing frame sealing device to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a aerogenerator bearing frame sealing device, includes the support, the top welding of support has the bearing frame body, the rotation hole has been seted up to the inside of bearing frame body, rotates downthehole rotation and is connected with the bearing body, the bearing body includes bearing inner race and bearing inner race, the bar hole has been seted up on the bearing inner race, be provided with a plurality of spherical roller between bearing inner race and the bearing inner race, it is a plurality of all through holder fixed connection between the spherical roller, multiunit seal assembly is installed to the front end of bearing body, seal assembly includes the connecting block, the regulation hole has been seted up to the inside of connecting block, the welding has the thread bush in the regulation hole, the inside threaded connection of thread bush has the threaded rod, the one end rotation that the threaded rod is close to the bearing inner race is connected with arc splint, the radian of arc splint is the same with the radian of bearing inner race, and the board is placed to the rear end fixedly connected with arc of arc splint, the inside of bearing frame body is provided with two sets of oil transportation subassemblies.

Preferably, the oil transportation assembly comprises a rectangular hole, the rectangular hole is formed in the bearing seat body, an oil transportation pipe is fixedly mounted in the rectangular hole, and one end, close to the bearing outer ring, of the oil transportation pipe extends to the inside of the bearing body through a strip-shaped hole.

Further, two supporting seats are fixedly connected to the bottom end of the support, and a plurality of mounting holes are formed in the supporting seats.

Still further, it is a plurality of the threaded rod is kept away from the one end of bearing body and all can be dismantled and be connected with the bar handle.

On the basis of the scheme, the top end of the oil delivery pipe is in threaded connection with a pipe cover.

On the basis of the scheme, one end, opposite to the bearing inner ring, of the arc-shaped placing plate can be detachably connected with an anti-skid layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a aerogenerator bearing frame sealing device possesses following beneficial effect:

this aerogenerator bearing frame sealing device, it is when using, put on a plurality of arc splint through the rubber seal with bearing body looks adaptation, then through rotating the threaded rod, make the threaded rod rotate in the thread bush and drive the direction removal of arc splint to the bearing inner circle simultaneously, thereby place the board through the arc that sets up and make the surface of rubber seal and bearing inner circle closely laminate, play the sealing effect to the bearing body, rotate for a long time and lead to the rubber seal attenuation, rotate the threaded rod once more, make the threaded rod drive arc splint and remove to the bearing inner circle, laminate the surface secret of rubber seal and bearing inner circle once more, thereby avoid producing the gap between sealing rubber circle and the bearing inner circle, prevent that this internal lubricating grease of bearing from staying to the external world, the leakproofness is improved, the practicality is better.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic sectional view of the bearing body of the present invention;

FIG. 3 is a schematic view showing the fit of the middle arc-shaped clamping plate, the arc-shaped placing plate and the threaded rod;

fig. 4 is a schematic view of the structure of the present invention.

In the figure: 1. a support; 2. a bearing housing body; 3. a bearing body; 4. an outer race of the bearing; 5. a bearing inner race; 6. a spherical roller; 7. a cage; 8. connecting blocks; 9. a threaded sleeve; 10. a threaded rod; 11. an arc-shaped splint; 12. an arc-shaped placing plate; 13. an oil delivery pipe; 14. a supporting seat; 15. mounting holes; 16. a bar-shaped handle; 17. a tube cover; 18. and an anti-slip layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a sealing device for a bearing seat of a wind turbine generator, including a support 1, a bearing seat body 2 is welded on the top end of the support 1, a rotation hole is formed in the bearing seat body 2, a bearing body 3 is rotatably connected in the rotation hole, the bearing body 3 includes a bearing outer ring 4 and a bearing inner ring 5, a bar-shaped hole is formed in the bearing outer ring 4, a plurality of spherical rollers 6 are arranged between the bearing inner ring 5 and the bearing outer ring 4, the spherical rollers 6 are fixedly connected by a retainer 7, a plurality of sets of sealing assemblies are installed at the front end of the bearing body 3, the sealing assemblies include a connecting block 8, an adjusting hole is formed in the connecting block 8, a thread sleeve 9 is welded in the adjusting hole, an internal thread of the thread sleeve 9 is connected with a threaded rod 10, one end of the threaded rod 10 close to the bearing inner ring 5 is rotatably connected with an arc clamp plate 11, the radian of the arc clamp plate 11 is the same as that of the bearing inner ring 5, an arc placing plate 12 is fixedly connected with the rear end of the arc clamp plate 11, a rubber seal ring adapted to the bearing body 3 is placed on the arc clamp plate 11 by rotating the threaded rod 10, and the bearing seat body is tightly attached to the outer surface of the bearing seat body, and the bearing seat body is provided with the rubber seal ring 5.

It should also be noted that, the oil transportation subassembly includes the rectangular hole, the rectangular hole is seted up in the inside of bearing frame body 2, fixed mounting has defeated oil pipe 13 in the rectangular hole, defeated oil pipe 13 is close to the inside that the bar hole extends to bearing frame body 3 through the one end of bearing outer lane 4, defeated oil pipe 13 through setting up is convenient for add the inside to bearing frame body 3 with lubricating grease, thereby improve bearing frame body 3's rotation efficiency, defeated oil pipe 13's top threaded connection has the pipe cap 17 of avoiding external debris to get into bearing frame body 3 inside, two supporting seats 14 of bottom fixedly connected with of support 1, a plurality of mounting holes 15 have all been seted up to the inside of two supporting seats 14, it installs bearing frame body 2 in the position of use to set up through the cooperation of supporting seat 14 and mounting hole 15, the one end that bearing frame body 3 was kept away from to a plurality of threaded rods 10 all can be dismantled and be connected with and be convenient for driving threaded rod 10 and carry out pivoted bar handle 16, the arc is placed board 12 and all can dismantle the skid resistant course 18 that is connected with the increase arc and place board 12 and rubber seal contact force with bearing inner race 5 relative one end, avoid rubber seal landing on the arc splint.

In summary, when the sealing device for the bearing seat of the wind driven generator is used, firstly, the bearing seat body 2 is installed at a use position through the arranged supporting seat 14 and the arranged installation holes 15, then the rubber sealing rings matched with the bearing body 3 are selected and placed on the arc-shaped clamping plates 11, then the strip-shaped handle 16 is rotated to drive the threaded rod 10, so that the threaded rod 10 rotates in the threaded sleeve 9 and simultaneously drives the arc-shaped clamping plates 11 to move towards the bearing inner ring 5, then the rubber sealing rings are tightly attached to the outer surface of the bearing inner ring 5 through the arranged arc-shaped placing plates 12, a sealing effect is achieved on the bearing body 3, when the rubber sealing rings are thinned after being rotated for a long time, the strip-shaped handle 16 is rotated again to drive the arc-shaped clamping plates 11 to move towards the bearing inner ring 5, the rubber sealing rings are attached to the outer surface of the bearing inner ring 5 again, so that a gap between the rubber sealing rings and the bearing inner ring 5 is avoided, lubricating grease in the bearing body 3 is prevented from being left to the outside, when the rubber sealing rings need to be replaced, the strip-shaped handle 16 can be reversely rotated, so that the threaded rod 10 is rotated to drive the arc-shaped clamping plates 10 to turn over the arc-shaped clamping plates 5, and then the rubber sealing rings can be removed from the lower clamping plates to replace the rubber sealing pads, and the rubber sealing pads.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A aerogenerator bearing seat sealing device, includes support (1), its characterized in that: the top welding of support (1) has bearing frame body (2), the rotation hole has been seted up to the inside of bearing frame body (2), rotates downthehole rotation and is connected with bearing body (3), bearing body (3) are including bearing inner race (4) and bearing inner race (5), the bar hole has been seted up on bearing inner race (4), be provided with a plurality of spherical roller (6) between bearing inner race (5) and bearing inner race (4), it is a plurality of all through holder (7) fixed connection between spherical roller (6), multiunit seal assembly is installed to the front end of bearing body (3), seal assembly includes connecting block (8), the regulation hole has been seted up to the inside of connecting block (8), the downthehole welding of regulation has threaded sleeve (9), the inside thread connection of threaded sleeve (9) has threaded rod (10), threaded rod (10) are close to the one end rotation of bearing inner race (5) and are connected with arc splint (11), the radian of arc splint (11) is the same with the radian of bearing inner race (5), and arc splint (11)'s rear end fixed connection has arc splint (12) to place board, the inside of bearing frame body (2) is provided with oil delivery subassembly.

2. A wind turbine bearing housing seal according to claim 1, wherein: the oil transportation component comprises a rectangular hole, the rectangular hole is formed in the bearing seat body (2), an oil transportation pipe (13) is fixedly mounted in the rectangular hole, and one end, close to the bearing outer ring (4), of the oil transportation pipe (13) extends to the inside of the bearing body (3) through a strip-shaped hole.

3. A wind turbine bearing housing seal according to claim 2, wherein: two supporting seats (14) of bottom fixedly connected with of support (1), two a plurality of mounting holes (15) have all been seted up to the inside of supporting seat (14).

4. A wind turbine bearing housing seal according to claim 3, wherein: and one end of the threaded rod (10) far away from the bearing body (3) is detachably connected with a strip-shaped handle (16).

5. The wind turbine bearing housing seal according to claim 4, wherein: the top end of the oil delivery pipe (13) is in threaded connection with a pipe cover (17).

6. The wind turbine bearing housing seal according to claim 5, wherein: the anti-skid layer (18) is detachably connected to one end, opposite to the bearing inner ring (5), of the arc-shaped placing plate (12).