CN114233755A

CN114233755A - Large-scale wind-powered electricity generation main shaft bearing holder

Info

Publication number: CN114233755A
Application number: CN202111606196.5A
Authority: CN
Inventors: 曾繁英
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-26
Filing date: 2021-12-26
Publication date: 2022-03-25

Abstract

The invention discloses a large-scale wind power main shaft bearing retainer, which relates to the technical field of bearings and comprises a bearing retainer, a plurality of roller grooves uniformly arranged on the side wall of the bearing retainer, cylindrical rollers are respectively installed in the roller grooves in a matching manner, an oil storage unit for storing lubricating oil, a buffer assembly for keeping the stability of the cylindrical rollers and a lubrication control assembly for supplementing the lubricating oil in time are installed on the bearing retainer, the oil storage unit and the buffer assembly are both connected with the lubrication control assembly, and the cylindrical rollers are respectively installed with the buffer assembly in a matching manner. The bearing retainer has a reasonable structure, and when the external wind direction or wind power changes suddenly, lubricating oil can be timely supplemented between the cylindrical roller and the buffer arc plate, so that the lubricating oil in the bearing is distributed more uniformly, the cylindrical roller rotates more stably and smoothly, and the bearing retainer is not easy to damage.

Description

Large-scale wind-powered electricity generation main shaft bearing holder

Technical Field

The invention relates to the technical field of bearings, in particular to a large-scale wind power main shaft bearing retainer.

Background

The bearing retainer is a bearing part which partially wraps all or part of the rolling bodies and moves along with the rolling bodies, is used for isolating the rolling bodies and generally guiding and retaining the rolling bodies in the bearing, and is one of main structures of the bearing, wherein the bearing is required to be used in the operation process of the large wind power main shaft.

At present, large-scale wind power main shaft bearing holds in operation, because the sudden change condition can appear in external wind direction and wind-force, leads to bearing different degree's impact and vibration under the inside bearing retainer rotation condition, makes the inside lubricating oil of bearing distribute not enough evenly, leads to not having the part of lubricating oil can not in time be replenished, consequently, this application has proposed a large-scale wind power main shaft bearing holder and has satisfied the demand.

Disclosure of Invention

The invention aims to provide a large-scale wind power main shaft bearing retainer to solve the problems in the prior art, and the large-scale wind power main shaft bearing retainer enables a cylindrical roller to supplement lubricating oil into a lubricating control assembly under the action of an external sudden change force through a buffer assembly, so that the lubricating oil can be timely supplemented to the peripheral side of the cylindrical roller, the distribution of the lubricating oil in the bearing is more uniform, the cylindrical roller rotates more stably and smoothly, and the bearing retainer is not easy to damage.

In order to achieve the above purpose, the present application provides the following technical solutions: a large-scale wind power main shaft bearing retainer comprises a bearing retainer, a plurality of roller grooves which are uniformly arranged and are arranged on the side wall of the bearing retainer, cylindrical rollers are arranged in the roller grooves in a matched mode, an oil storage unit for storing lubricating oil, a buffer assembly for keeping the stability of the cylindrical rollers and a lubricating control assembly for supplementing the lubricating oil in time are arranged on the bearing retainer, and the cylindrical rollers are arranged in a matched mode with the buffer assembly; the buffer assembly is used for buffering a plurality of impact force that cylindrical roller received, the oil storage unit is used for giving the required lubricating oil is provided to the lubrication control assembly, the lubrication control assembly is used for a plurality of the cylindrical roller carries out oil spray lubrication.

By means of the structure, the cylindrical roller is enabled to supplement lubricating oil to the lubricating control assembly through the buffer assembly under the action of the sudden change of the external force, so that the lubricating oil can be timely supplemented to the peripheral side of the cylindrical roller from the lubricating control assembly, the distribution of the lubricating oil in the bearing is more uniform, the cylindrical roller is enabled to rotate more stably and smoothly, and the bearing retainer is not prone to damage.

Preferably, the buffering subassembly is including offering a plurality of respectively a pair of dashpot on two relative inner walls in roller groove, it is many right all install buffer spring on the inner wall of dashpot, it is many right support link is all installed to buffer spring's one end, and it is many right the buffering arc board is all installed to support link's one end, and it is many right buffering arc board all with lubrication control assembly is connected.

Further, through buffering subassembly, when making the buffering arc board take place slight displacement, can make the supporting connecting rod drive the buffering arc board and resume original position under buffer spring's elastic deformation restoring force effect, make the buffering arc board more stable, make the stability of bearing holder better.

Preferably, two buffer arc plates in the same roller groove are symmetrically arranged relative to the center of the roller groove, and the plurality of cylindrical rollers are correspondingly and adaptively mounted on one sides of the plurality of pairs of buffer arc plates, which are close to each other.

Furthermore, the cylindrical roller can rotate in a certain position through the buffer arc plate, so that the cylindrical roller is more stable and smooth in rolling, the bearing retainer is more stable in use and is not easy to damage, and the service life of the bearing retainer is longer.

Preferably, a plurality of pairs of buffer blocks are arranged on the inner wall of the buffer groove, a plurality of pairs of buffer heads are arranged at one end of each support connecting rod, the plurality of pairs of buffer heads are respectively in contact with the plurality of pairs of buffer blocks, and the plurality of pairs of support connecting rods are respectively in sliding fit with the plurality of pairs of buffer grooves on the inner wall.

Furthermore, through the buffer cushion block, when the buffer head is displaced, the buffer cushion block can be pushed in a squeezing mode, the buffer cushion block is deformed, and under the action of elastic deformation restoring force of the buffer cushion block, the buffer head can drive the support connecting rod to restore to the original position, so that the bearing retainer is better in stability when in use.

Preferably, the lubrication control assembly is including seting up respectively in a plurality of the roller groove is close to the oil through hole of one side each other, and is a plurality of all install fixed oil pipe on the inner wall of oil through hole, and is a plurality of flexible oil pipe is all installed at fixed oil pipe's both ends, and is many right flexible oil pipe corresponds the one end of keeping away from each other and all installs movable oil pipe, and is many right all seted up the fixed orifices on the lateral wall of buffering arc board, it is many right movable oil pipe installs respectively in many right on the inner wall of fixed orifices, and is a plurality of on fixed oil pipe's the inner wall with correspond many right all install the control unit who is used for controlling lubricating oil discrepancy on movable oil pipe's the inner wall, it is a plurality of fixed oil pipe all with the oil storage unit is connected.

Further, through lubricated control assembly, when the buffering arc board removed, make flexible oil pipe compressed, under the effect of the control unit, can keep sufficient lubricating oil in making flexible oil pipe, when making external wind direction or wind-force sudden change, make the inside lubricating oil distribution of bearing more even, make the bearing more stable smooth and easy when rotating, make the difficult emergence of bearing holder damage.

Preferably, the control unit including install in two fixed otic placodes on the fixed oil pipe inner wall and two for fixed oil pipe center is the fixed stop that the symmetry set up, install respectively in a pair of movable otic placode and two on the movable oil pipe inner wall for fixed oil pipe center is the adjustable fender that the symmetry set up, two the oil absorption spring is all installed to one side that fixed otic placode is close to each other, two the oil absorption valve ball is all installed to the one end that the oil absorption spring is close to each other, two oil absorption valve ball difference adaptation is installed in two on the inner wall of fixed stop, two the oil outlet spring is all installed to one side that the movable otic placode is close to each other, two the oil outlet valve ball is all installed to one side that the oil outlet spring is close to each other, two the oil outlet valve ball difference adaptation is installed in two on adjustable fender's the inner wall.

Furthermore, through the control unit, when external wind direction or wind power suddenly change, the oil suction valve ball is clung to the fixed baffle together, and the oil outlet valve ball is separated from the movable baffle, so that lubricating oil can be sprayed out from the movable oil pipe through the movable baffle, the bearing can be quickly lubricated by the lubricating oil, and the bearing can rotate more smoothly.

Preferably, the oil storage unit includes oil filling thread grooves formed in two opposite side walls of the bearing retainer, two annular oil cavities are formed in one side, close to each other, of the oil filling thread grooves, a plurality of oil guide cavities are formed in the side wall of each annular oil cavity, a plurality of connecting holes are formed in the side wall of the fixed oil pipe, the two connecting holes are symmetrically formed in the side wall of the fixed oil pipe, and the oil guide cavities are correspondingly close to each other, so that one ends of the oil guide cavities are connected with the connecting holes in pairs.

Furthermore, through the oil storage unit, when lubricating oil in the annular oil cavity is insufficient, the oiling thread groove is rotated to the highest point, the lubricating oil is added into the annular oil cavity through the oiling thread groove, the lubricating oil can be filled in the annular oil cavity, the oil guide cavity and the fixed oil pipe under the action of gravity, the bearing retainer can be continuously used, the bearing retainer is more stable in use, and the overhauling speed of personnel on the bearing retainer is improved.

Preferably, two equal adaptation installation has a sealing screw on the inner wall of oiling thread groove, two the elasticity groove has all been seted up to the one end that the sealing screw was kept away from each other.

Furthermore, through the sealing screw, lubricating oil can be added into the bearing retainer more easily, the bearing retainer is more convenient to overhaul, and the bearing retainer can be continuously used.

Preferably, two all set up a plurality of connecting oil grooves that evenly set up on the lateral wall of annular oil pocket, it is a plurality of lubricating groove has all been seted up on two relative inner walls in roller groove, it is many right lubricating groove respectively with many right connecting oil groove is connected, it is many right lubricating ball is installed to equal adaptation on the inner wall in lubricating groove, it is many right lubricating ball corresponds respectively with a plurality of cylindrical roller contacts.

Further, through the lubricating ball, when cylindrical roller takes place to rotate, can drive the lubricating ball and take place to rotate simultaneously, make the lubricating oil in the annular oil pocket flow into the lubrication groove through connecting the oil groove, under the rotation of lubricating ball, make the lubricating ball more smooth and easy when the lubrication groove is inside to rotate, make cylindrical roller and lubricating ball contact and can not appear blocking, make the lubricating ball can be better break down the power that cylindrical roller received, make cylindrical roller more stable smooth and easy when rotating.

To sum up, the technical effect and the advantage of this application:

1. the wind power blade main shaft structure is reasonable, when the wind power blade main shaft rotates, the main shaft bearing rotates, the cylindrical roller rotates, when the external wind direction or wind power changes suddenly, the main shaft bearing is impacted and vibrated in different degrees, the cylindrical roller cannot stably rotate in the roller groove, the cylindrical roller slightly displaces, the buffer arc plate is driven to drive the movable oil pipe to move, the telescopic oil pipe is compressed, under the action of the control unit, lubricating oil in the telescopic oil pipe passes through the movable oil pipe and is timely supplemented between the cylindrical roller and the buffer arc plate, the lubricating oil on the peripheral side of the cylindrical roller is distributed more uniformly, the cylindrical roller is more stable and smooth when rotating, and the bearing retainer is not easily damaged;

2. in the invention, when the buffer arc plate moves, the telescopic oil pipe is compressed, the pressure of lubricating oil in the telescopic oil pipe is increased, the oil suction valve ball is tightly attached to the fixed baffle plate, the oil outlet valve ball is separated from the movable baffle plate, the lubricating oil in the telescopic oil pipe can be sprayed out from the movable oil pipe through the movable baffle plate, the lubricating oil can quickly lubricate the cylindrical roller, the cylindrical roller can rotate more smoothly, after the cylindrical roller is restored to be stable, the buffer arc plate is restored to the original position, the movable oil pipe is simultaneously restored to the original position, the telescopic oil pipe is restored to be stretched again, the internal pressure of the telescopic oil pipe is reduced, the oil outlet valve ball is tightly attached to the movable baffle plate, the oil suction valve ball is separated from the fixed baffle plate, the lubricating oil in the annular oil cavity can be sucked into the fixed oil pipe through the oil guide cavity and enters the telescopic oil pipe through the fixed baffle plate, lubricating oil is filled in the telescopic oil pipe again, so that when the cylindrical roller rolls in an unbalanced state, the bearing retainer can supplement the lubricating oil to the cylindrical roller in time, and the bearing retainer is more practical;

3. when the cylindrical rollers rotate unevenly, the buffer arc plate is squeezed and pushed, so that the support connecting rod slides in the buffer groove, the buffer spring is compressed, the buffer head is contacted with the buffer cushion block, the buffer cushion block is deformed, the support connecting rod is restored to the original position under the action of elastic deformation restoring force of the buffer spring and the buffer cushion block, the buffer arc plate is restored to the original position, the cylindrical rollers are restored to rotate stably, the cylindrical rollers rotate more smoothly in the roller grooves, the cylindrical rollers are not easy to damage, the bearing retainer is stressed more uniformly, and the service life of the bearing retainer is longer;

4. according to the invention, when the cylindrical roller rotates, the lubricating ball can be driven to rotate simultaneously, so that lubricating oil in the annular oil cavity flows into the lubricating groove through the connecting oil groove, and under the rotation of the lubricating ball, the lubricating ball rotates more smoothly in the lubricating groove, so that the cylindrical roller and the lubricating ball are not clamped and can be better separated from each other, and the cylindrical roller can rotate more stably and smoothly;

5. according to the invention, when lubricating oil in the annular oil cavity is insufficient, the oiling thread groove is rotated to the highest point, the sealing screws are unscrewed from the oiling thread grooves, the lubricating oil is added into the annular oil cavity through one oiling thread groove, under the action of gravity, the lubricating oil can fill the annular oil cavity, the oil guide cavity and the oil fixing pipe, and the sealing screws are screwed into the oiling thread groove, so that the bearing retainer can be continuously used, the bearing retainer is more stable in use, and the maintenance speed of a person on the bearing retainer is increased.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a large wind power main shaft bearing retainer;

FIG. 2 is a partially enlarged perspective view of FIG. 1;

FIG. 3 is a first view angle sectioning three-dimensional structure schematic diagram of a large-scale wind power main shaft bearing retainer;

FIG. 4 is a partially enlarged perspective view of FIG. 3;

FIG. 5 is a second view angle sectioning three-dimensional structure schematic diagram of a large-scale wind power main shaft bearing retainer;

FIG. 6 is a partially enlarged perspective view of FIG. 5;

FIG. 7 is a third view angle sectioning three-dimensional structure schematic diagram of a large wind power main shaft bearing retainer;

FIG. 8 is an enlarged perspective view of the structure at A in FIG. 7;

fig. 9 is a partially enlarged perspective view of fig. 7.

In the figure: 1. a bearing retainer; 2. a cylindrical roller; 3. a buffer arc plate; 4. a lubricating ball; 5. a sealing screw; 6. a roller groove; 7. an annular oil chamber; 8. connecting the oil groove; 9. an oil guide cavity; 10. a support link; 11. a buffer head; 12. buffering cushion blocks; 13. a buffer spring; 14. fixing the oil pipe; 15. an oil pipe is stretched; 16. a movable oil pipe; 17. fixing the ear plate; 18. an oil absorbing spring; 19. an oil suction valve ball; 20. fixing a baffle plate; 21. a lubrication groove; 22. a buffer tank; 23. a movable baffle; 24. an oil outlet spring; 25. a movable ear plate; 26. an oil outlet valve ball; 27. and (4) oiling thread grooves.

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.

Example (b): referring to fig. 1-9, the large wind power main shaft bearing retainer comprises a bearing retainer 1, a plurality of roller grooves 6 uniformly arranged on the side wall of the bearing retainer 1, and cylindrical rollers 2 respectively installed in the roller grooves 6 in a matching manner, wherein an oil storage unit for storing lubricating oil, a buffer assembly for maintaining the stability of the cylindrical rollers 2, and a lubrication control assembly for timely supplementing the lubricating oil are installed on the bearing retainer 1, the oil storage unit and the buffer assembly are both connected with the lubrication control assembly, and the cylindrical rollers 2 are respectively installed in a matching manner with the buffer assembly; the buffer assembly is used for buffering impact force received by the cylindrical rollers 2, the oil storage unit is used for providing required lubricating oil for the lubricating control assembly, and the lubricating control assembly is used for oil injection lubrication of the cylindrical rollers 2.

Through the setting of buffering subassembly, make cylindrical roller 2 under the effect of external sudden change, make the oil storage unit supply lubricating oil to lubricated control assembly in, and then make lubricating oil can be timely supply cylindrical roller 2 week side from lubricated control assembly, make the inside lubricating oil distribution of bearing more even, more stable smooth and easy when making cylindrical roller 2 rotate, make the difficult emergence of bearing holder 1 damage.

As a preferred embodiment of this embodiment, as shown in fig. 8, the buffer assembly includes a pair of buffer slots 22 respectively opened on two opposite inner walls of the plurality of roller slots 6, the inner walls of the plurality of pairs of buffer slots 22 are all mounted with buffer springs 13, one ends of the plurality of pairs of buffer springs 13 are all mounted with support links 10, one ends of the plurality of pairs of support links 10 are all mounted with buffer arc plates 3, and the plurality of pairs of buffer arc plates 3 are all connected with the lubrication control assembly.

Through the setting of buffering subassembly, when making buffering arc plate 3 take place slight displacement, can make supporting connecting rod 10 drive buffering arc plate 3 and resume original position under buffer spring 13's elastic deformation restoring force effect, make buffering arc plate 3 more add stably, make bearing retainer 1's stability better.

In this embodiment, as shown in fig. 4, two buffer arc plates 3 located in the same roller groove 6 are symmetrically arranged with respect to the center of the roller groove 6, and the plurality of cylindrical rollers 2 are correspondingly and adaptively mounted on the sides of the plurality of pairs of buffer arc plates 3 close to each other.

Through the setting of buffering arc plate 3, make cylindrical roller 2 rotate in certain position, make cylindrical roller 2 more stable smooth and easy when rolling, it is more stable when making bearing holder 1 use, difficult emergence is damaged, makes bearing holder 1's life longer.

In this embodiment, as shown in fig. 8, the inner walls of the pairs of buffer slots 22 are all provided with the buffer pads 12, one end of each of the pairs of support links 10 is provided with the buffer head 11, the pairs of buffer heads 11 are respectively contacted with the pairs of buffer pads 12, and the pairs of support links 10 are respectively adapted to the inner walls of the pairs of buffer slots 22 in a sliding manner.

Through the setting of cushion block 12, when making cushion head 11 take place the displacement, can produce crowded push to cushion block 12, make cushion block 12 take place deformation, under the elastic deformation of cushion block 12 restores the power effect, make cushion head 11 can drive support connecting rod 10 and resume original position, stability is better when making bearing holder 1 use.

In this embodiment, as shown in fig. 9, the lubrication control assembly includes oil through holes respectively opened on one side of the plurality of roller grooves 6 close to each other, fixed oil pipes 14 are all installed on the inner walls of the oil through holes, telescopic oil pipes 15 are all installed at both ends of the fixed oil pipes 14, movable oil pipes 16 are all installed on one ends of the telescopic oil pipes 15 corresponding to the ends far away from each other, fixed holes are all opened on the side walls of the buffer arc plates 3, the movable oil pipes 16 are installed on the inner walls of the fixed holes, control units for controlling the lubricating oil to come in and go out are installed on the inner walls of the fixed oil pipes 14 and on the inner walls of the movable oil pipes 16 corresponding to the fixed oil pipes, and the fixed oil pipes 14 are all connected with the oil storage unit.

Through the setting of lubrication control assembly, when buffering arc plate 3 removed, make flexible oil pipe 15 compressed, under the effect of the control unit, can keep sufficient lubricating oil in the flexible oil pipe 15, when making external wind direction or wind-force sudden change, make the inside lubricating oil distribution of bearing more even, make the bearing more stable smooth and easy when rotating, make the difficult emergence of bearing holder 1 damage.

In this embodiment, as shown in fig. 9, the control unit includes two fixed lugs 17 mounted on the inner wall of the fixed oil pipe 14 and two fixed baffles 20 symmetrically disposed with respect to the center of the fixed oil pipe 14, install respectively the activity otic placode 25 on a pair of activity oil pipe 16 inner wall and two for fixed oil pipe 14 center be the adjustable fender 23 of symmetry setting, oil absorption spring 18 is all installed to one side that two fixed otic placodes 17 are close to each other, oil absorption valve ball 19 is all installed to the one end that two oil absorption springs 18 are close to each other, two oil absorption valve balls 19 adaptation are installed respectively on the inner wall of two fixed bulkheads 20, oil outlet spring 24 is all installed to one side that two activity otic placodes 25 are close to each other, oil outlet valve ball 26 is all installed to one side that two oil outlet spring 24 are close to each other, two oil outlet valve ball 26 adaptation are installed respectively on the inner wall of two adjustable bulkheads 23.

Through the setting of the control unit, when the external wind direction or wind power suddenly changes, the oil suction valve ball 19 is tightly attached to the fixed baffle 20, the oil outlet valve ball 26 is separated from the movable baffle 23, so that the lubricating oil can be sprayed out from the movable oil pipe 16 through the movable baffle 23, the bearing can be quickly lubricated by the lubricating oil, and the bearing can rotate more smoothly.

In this embodiment, as shown in fig. 6, the oil storage unit includes oil filling thread grooves 27 formed on two opposite side walls of the bearing holder 1, the annular oil cavities 7 are formed on one sides of the two oil filling thread grooves 27 close to each other, a plurality of oil guide cavities 9 are formed on the side walls of the two annular oil cavities 7, two connecting holes symmetrically formed in the side walls of the plurality of fixed oil pipes 14 are formed, and a plurality of pairs of oil guide cavities 9 are connected with a plurality of pairs of connecting holes respectively corresponding to one ends close to each other.

Through the setting of the oil storage unit, when lubricating oil in the annular oil cavity 7 is insufficient, the oil filling thread groove 27 is enabled to rotate to the highest point, the lubricating oil is added into the annular oil cavity 7 through the oil filling thread groove 27, under the action of gravity, the lubricating oil can be filled in the annular oil cavity 7, the oil guide cavity 9 and the fixed oil pipe 14, the bearing retainer 1 can be continuously used, the bearing retainer 1 is enabled to be more stable in use, and the overhauling speed of personnel to the bearing retainer 1 is improved.

In this embodiment, as shown in fig. 6, the sealing screws 5 are respectively mounted on the inner walls of the two oiling thread grooves 27, and the elastic grooves are respectively formed at the ends of the two sealing screws 5 far away from each other. Through the setting of sealing screw 5, make the inside lubricating oil that can add more easily of bearing holder 1, make bearing holder 1 be convenient for overhaul more, make bearing holder 1 can last the use.

In this embodiment, as shown in fig. 6, a plurality of connecting oil grooves 8 which are uniformly arranged are formed in the side walls of the two annular oil chambers 7, lubricating grooves 21 are formed in two opposite inner walls of the plurality of roller grooves 6, a plurality of pairs of lubricating grooves 21 are respectively connected with a plurality of pairs of connecting oil grooves 8, a plurality of pairs of lubricating balls 4 are respectively installed on the inner walls of the lubricating grooves 21 in an adaptive manner, and a plurality of pairs of lubricating balls 4 are respectively correspondingly contacted with a plurality of cylindrical rollers 2.

Through the setting of lubricating ball 4, cylindrical roller 2 takes place when rotating, can drive lubricating ball 4 and take place to rotate simultaneously, make the lubricating oil in the annular oil pocket 7 flow into lubrication groove 21 through connecting oil groove 8, under the rotation of lubricating ball 4, make lubricating ball 4 more smooth and easy when lubrication groove 21 is inside to rotate, make cylindrical roller 2 and the contact of lubricating ball 4 can not appear blocking, make the power that cylindrical roller 2 received that lubricating ball 4 can be better decompose, it is more stable smooth and easy when making cylindrical roller 2 rotate.

The working principle of the invention is as follows: when the wind power blade rotates, the wind power main shaft is rotated, and then the main shaft bearing is rotated, so that the cylindrical roller 2 is rotated, when the external wind direction or wind power suddenly changes, the main shaft bearing is impacted and vibrated in different degrees, so that the cylindrical roller 2 cannot stably rotate in the roller groove 6, the cylindrical roller 2 slightly displaces, and then the buffer arc plate 3 is driven to displace, the support connecting rod 10 displaces in the buffer groove 22, the buffer head 11 is compressed, and then the buffer arc plate 3 drives the movable oil pipe 16 to move, so that the telescopic oil pipe 15 is compressed, under the action of the control unit, lubricating oil enters the telescopic oil pipe 15 from the fixed lug plate 17, and further the lubricating oil in the telescopic oil pipe 15 passes through the movable oil pipe 16, so that the lubricating oil can be timely supplemented between the cylindrical roller 2 and the buffer arc plate 3, and the lubricating oil on the peripheral side of the cylindrical roller 2 is more uniformly distributed, the cylindrical roller 2 is more stable and smooth when rotating, and the bearing retainer 1 is not easy to be damaged.

Through the control unit, when the buffer arc plate 3 moves, the telescopic oil pipe 15 is compressed, and then under the action of the pressure of the lubricating oil in the telescopic oil pipe 15, the oil suction valve ball 19 is tightly attached to the fixed baffle 20, the oil outlet valve ball 26 is separated from the movable baffle 23, the lubricating oil in the telescopic oil pipe 15 can pass through the movable baffle 23 and then be sprayed out from the movable oil pipe 16, so that the lubricating oil can quickly lubricate the cylindrical roller 2, the cylindrical roller 2 rotates more smoothly, after the cylindrical roller 2 is stabilized, the buffer arc plate 3 is restored to the original position, the movable oil pipe 16 is simultaneously restored to the original position, the telescopic oil pipe 15 is restored to the original position and stretched again, the pressure in the telescopic oil pipe 15 is reduced, the oil outlet valve ball 26 is tightly attached to the movable baffle 23, the oil suction valve ball 19 is separated from the fixed baffle 20, and the lubricating oil in the annular oil cavity 7 can pass through the oil guide cavity 9, and then is sucked into the fixed oil pipe 14, and then enters the telescopic oil pipe 15 through the fixed baffle 20, so that the telescopic oil pipe 15 is filled with lubricating oil again, and when the cylindrical rollers 2 roll unevenly, the bearing retainer 1 can supplement the lubricating oil to the cylindrical rollers 2 in time, so that the bearing retainer 1 is more practical.

When cylindrical roller 2 rotates unbalanced, can produce crowded promotion to buffering arc board 3, and then make support connecting rod 10 take place to slide in dashpot 22, and then make buffer spring 13 compressed, make buffer head 11 contact with cushion block 12, make cushion block 12 take place deformation, and then under the elastic deformation restoring force effect of buffer spring 13 and cushion block 12, make support connecting rod 10 resume original position, and then make buffering arc board 3 resume original position, make cylindrical roller 2 resume steady rotation, it is more smooth and easy when 6 rotations of roller groove to make cylindrical roller 2, make the difficult emergence of cylindrical roller 2 damage, and then make bearing retainer 1 atress more even, make bearing retainer 1's life longer.

When the wind-powered electricity generation main shaft is when rotating, can make cylindrical roller 2 all take place to rotate, under the effect of lubricated ball 4, it is more steady when making cylindrical roller 2 rotate, can drive lubricated ball 4 and take place to rotate simultaneously, make the lubricating oil in the annular oil chamber 7 flow into lubrication groove 21 through connecting oil groove 8, under the rotation of lubricated ball 4, it is more smooth and easy when lubrication groove 21 is inside to make lubricated ball 4 rotate, make cylindrical roller 2 and the contact of lubricated ball 4 can not appear blocking, make lubricated ball 4 can be better divide the power that cylindrical roller 2 received and break down, it is more stable and smooth and easy when making cylindrical roller 2 rotate.

When the lubricating oil in the annular oil cavity 7 is insufficient, the two oil filling thread grooves 27 are enabled to rotate to the highest point, the two sealing screws 5 are respectively screwed off from the two oil filling thread grooves 27, then the lubricating oil is added into the annular oil cavity 7 through one of the oil filling thread grooves 27, under the action of gravity, the lubricating oil can be filled in the annular oil cavity 7, the oil guide cavity 9 and the oil fixing pipe 14, and then the sealing screws 5 are screwed into the oil filling thread grooves 27, so that the bearing retainer 1 can be continuously used, the bearing retainer 1 is enabled to be more stable in use, and the maintenance speed of personnel on the bearing retainer 1 is improved.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a large-scale wind-powered electricity generation main shaft bearing holder, includes bearing holder (1), sets up in a plurality of roller groove (6) that evenly set up on bearing holder (1) lateral wall, a plurality of cylinder roller (2), its characterized in that are installed to equal adaptation in roller groove (6): an oil storage unit for storing lubricating oil, a buffer assembly for maintaining the stability of the cylindrical rollers (2) and a lubrication control assembly for supplementing the lubricating oil in time are mounted on the bearing retainer (1), and the plurality of cylindrical rollers (2) are mounted with the buffer assembly in a matched manner; the buffer assembly is used for buffering a plurality of impact forces that cylindrical roller (2) received, the oil storage unit is used for giving the required lubricating oil is provided to the lubrication control assembly, the lubrication control assembly is used for carrying out oil injection lubrication to a plurality of cylindrical roller (2).

2. The large wind power main shaft bearing retainer according to claim 1, characterized in that: buffering subassembly is including offering in a plurality of respectively a pair of dashpot (22) on two relative inner walls of roller groove (6), it is many right all install buffer spring (13) on the inner wall of dashpot (22), it is many right support connecting rod (10) are all installed to the one end of buffer spring (13), it is many right buffer arc board (3) are all installed to the one end of support connecting rod (10), it is many right buffer arc board (3) all with lubrication control subassembly is connected.

3. The large wind power main shaft bearing retainer according to claim 2, characterized in that: the two buffering arc plates (3) in the same roller groove (6) are symmetrically arranged relative to the center of the roller groove (6), and the cylindrical rollers (2) are correspondingly and adaptively mounted on one sides of the buffering arc plates (3) which are close to each other.

4. The large wind power main shaft bearing retainer according to claim 2, characterized in that: all install cushion block (12) many right on the inner wall of dashpot (22), it is many right cushion head (11) are all installed to the one end of supporting connecting rod (10), it is many right cushion head (11) are respectively with many right cushion block (12) contact, it is many right supporting connecting rod (10) slide respectively the adaptation in many right on the inner wall of dashpot (22).

5. The large wind power main shaft bearing retainer according to claim 2, characterized in that: lubrication control subassembly is including offering respectively in a plurality of the oil through hole that roller groove (6) is close to one side each other is a plurality of all install fixed oil pipe (14), a plurality of flexible oil pipe (15) are all installed at the both ends of fixed oil pipe (14), and it is many right flexible oil pipe (15) correspond the one end of keeping away from each other and all install movable oil pipe (16), it is many right all seted up the fixed orifices on the lateral wall of buffering arc board (3), it is many right movable oil pipe (16) are installed respectively in many right on the inner wall of fixed orifices, it is a plurality of on the inner wall of fixed oil pipe (14) with correspond many right all install the control unit who is used for controlling lubricating oil and come in and go out on the inner wall of movable oil pipe (16), it is a plurality of fixed oil pipe (14) all with the oil storage unit is connected.

6. The large wind power main shaft bearing retainer according to claim 5, wherein: the control unit comprises two fixed lug plates (17) installed on the inner wall of the fixed oil pipe (14), two fixed baffle plates (20) symmetrically arranged relative to the center of the fixed oil pipe (14), movable lug plates (25) installed on the inner wall of the movable oil pipe (16) and two movable baffle plates (23) symmetrically arranged relative to the center of the fixed oil pipe (14), oil suction springs (18) are installed on one sides, close to each other, of the two fixed lug plates (17), oil suction valve balls (19) are installed at one ends, close to each other, of the two oil suction valve balls (19) are respectively installed on the inner walls of the two fixed baffle plates (20) in an adaptive mode, oil outlet springs (24) are installed on one sides, close to each other, of the two movable lug plates (25), and oil outlet valve balls (26) are installed on one sides, close to each other, of the oil outlet springs (24), the two oil outlet valve balls (26) are respectively installed on the inner walls of the two movable baffles (23) in a matching mode.

7. The large wind power main shaft bearing retainer according to claim 5, wherein: the oil storage unit is including seting up in refuel thread groove (27), two on two relative lateral walls of bearing holder (1) annular oil pocket (7) have all been seted up, two to refuel thread groove (27) one side that is close to each other all seted up a plurality of oil pockets (9) of leading on the lateral wall of annular oil pocket (7), it is a plurality of all set up the connecting hole that two symmetries set up on the lateral wall of fixed oil pipe (14), it is many right it corresponds the one end that is close to each other respectively with many right to lead oil pocket (9) the connecting hole is connected.

8. The large wind power main shaft bearing retainer according to claim 7, wherein: two sealing screw (5), two are installed to equal adaptation on the inner wall of refuel thread groove (27) the elasticity groove has all been seted up to the one end that sealing screw (5) kept away from each other.

9. The large wind power main shaft bearing retainer according to claim 7, wherein: two all set up a plurality of even connection oil grooves (8) that set up on the lateral wall of annular oil pocket (7), it is a plurality of lubrication groove (21) have all been seted up on two relative inner walls of roller groove (6), it is many right lubrication groove (21) are respectively with many right connect oil groove (8) and be connected, it is many right lubrication ball (4) are installed to equal adaptation on the inner wall of lubrication groove (21), it is many right lubrication ball (4) correspond respectively with a plurality of cylindrical roller (2) contacts.