CN114658827A - Bearing clearance control method suitable for wind power gear box - Google Patents
Bearing clearance control method suitable for wind power gear box Download PDFInfo
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- CN114658827A CN114658827A CN202210464047.8A CN202210464047A CN114658827A CN 114658827 A CN114658827 A CN 114658827A CN 202210464047 A CN202210464047 A CN 202210464047A CN 114658827 A CN114658827 A CN 114658827A
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- bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
- F16H2057/0222—Lateral adjustment
- F16H2057/0224—Lateral adjustment using eccentric bushes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention relates to the technical field of wind power gear boxes, in particular to a bearing clearance control method suitable for a wind power gear box, and solves the problem that a bearing clearance adjusting method for the wind power gear box in the prior art needs to be improved. A bearing clearance control method suitable for a wind power gear box comprises a base sleeve, a bearing, a limiting ring, a positioning sleeve and a clearance adjusting screw rod, and specifically comprises the following steps: firstly, a base sleeve is positioned and installed on a central shaft of a wind power gear box, and then a bearing used in a matched mode is used. According to the invention, the gap adjusting screw rod directly acting on the bearing and the central shaft is arranged in the case shell of the wind power gear box, so that the use of external auxiliary tools is saved, the push block on the end surface of the positioning sleeve pushes the limiting ring to move axially only by rotating the gap adjusting screw rod, so that the limiting ring pushes the bearing to move axially, and the radial force is increased after the bearing moves axially by utilizing the structure of the base sleeve, so that the method for controlling the bearing to be compact and the bearing gap is realized.
Description
Technical Field
The invention relates to the technical field of wind power gear boxes, in particular to a bearing clearance control method suitable for a wind power gear box.
Background
The wind power gear box is a core component of a wind turbine generator. The bearing is a movable part which must be used in the wind power gear box component, the bearing comprises an inner ring, an outer ring and a ball in the middle of the inner ring and the outer ring, and a certain gap also exists in the wind power gear box when the wind power gear box is assembled; when the wind power gear box runs, the gap in the bearing is possibly enlarged under the influence of gravity, so that the high-speed rotation of the wind power gear box running at high speed is greatly influenced, if the gap of the bearing cannot be controlled in time, the heat production is increased due to the fact that the center of gravity moves downwards when the bearing moves, the wind power gear box is accelerated to age, and the wind power gear box is accelerated to be damaged;
most of the existing bearing clearance adjustment methods are that auxiliary tools are used for adjusting a control box of the bearing clearance, such as CN201510440740.1, and the method has the disadvantages of complex structure, high cost and inconvenient use; for example, although the CN201820454961.3 has a simple structure, when the gap is adjusted, the CN201820454961.3 needs to be fixedly installed and positioned with the wind power gear box, and the implementation and operation are complicated; therefore, a bearing clearance control method suitable for the wind power gear box is provided, and the method which is high in applicability and suitable for convenient control of the bearing clearance of the wind power gear box is provided.
Disclosure of Invention
The invention aims to provide a bearing clearance control method suitable for a wind power gear box, and solves the problem that a bearing clearance adjusting method for the wind power gear box in the prior art needs to be improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bearing clearance control method suitable for a wind power gear box comprises a base sleeve, a bearing, a limiting ring, a positioning sleeve and a clearance adjusting screw rod, and specifically comprises the following steps:
firstly, positioning and installing a base sleeve on a central shaft of a wind power gear box, and then sleeving a bearing which is used in a matched mode on the base sleeve from one end of the base sleeve coaxially;
secondly, movably sleeving a limiting ring on the central shaft and abutting against one end of the bearing;
thirdly, fixedly mounting a positioning sleeve on the central shaft coaxially, wherein the positioning sleeve is fixedly connected with the inner wall of the box shell and is provided with a push block which is axially limited and movable;
fourthly, the gap adjusting screw rod is connected with the radial thread of the outer wall of the box shell in a screwing mode, and a limiting block which is limited in the positioning sleeve is arranged at the inner end of the gap adjusting screw rod;
and fifthly, rotating the gap adjusting screw rod, pushing the push block by the limiting block, pushing the limiting ring by the push block, and pushing the bearing by the limiting ring to complete bearing gap control.
Preferably, the base sleeve comprises an inclined part and a horizontal part, the inner wall of the base sleeve is fixedly connected with the outer wall of the central shaft in an attaching manner, and the outer diameter of the horizontal part is kept unchanged; the inclined portion has an outer diameter that increases from an end of the horizontal portion to an end distant from the horizontal portion.
Preferably, the end part of the base sleeve is provided with an end plate sleeved on the central shaft, and the outer diameter of the end plate is larger than the maximum outer diameter of the inclined part.
Preferably, the bearing includes inner ring, outer loop and ball, the inner wall of inner ring is laminated spacing with the slope of base cover, inner ring's outer wall is the tilt state, and inclination is the same with the inclination of base cover, the inner wall of outer loop is the tilt state, and inclination and the tilt angle of inner ring outer wall are the same, and the ball activity is spacing between inner ring and outer loop, and the outer wall of outer loop is the horizontality, and the outer wall of outer loop is with the tooth ring in the axle center connection case shell.
Preferably, one of them terminal surface of spacing ring is with axle center fixed mounting has the push ring, the terminal surface of spacing ring is annular array and installs a plurality of pushing cylinders, the extension end of pushing cylinder inlays and is equipped with movable pearl, movable pearl offsets with the terminal surface of bearing outer ring, the extension end and the bearing inner ring of push ring offset.
Preferably, the position sleeve passes through fixed plate and case shell inner wall fixed connection, spacing chamber has been seted up respectively to the upper and lower terminal surface of position sleeve, and two spacing chambeies are located the left and right sides of position sleeve respectively, the spout with spacing chamber intercommunication is seted up to the terminal surface of position sleeve, the stopper activity sets up in spacing intracavity, and the ejector pad is spacing in the spout, and stopper and ejector pad offset through the inclined plane cooperation, the moving direction of stopper is perpendicular with the moving direction of ejector pad.
Preferably, the side end face of stopper has seted up the drive chamber, the drive chamber is T shape structure, the horizontal end internalization in drive chamber is provided with the fixed block, transfer clearance screw rod and fixed block fixed mounting, and the transfer clearance screw rod that two sets of spacing chambeies correspond extends to case shell top and bottom respectively.
The invention has at least the following beneficial effects:
the gap adjusting screw rod directly acting on the bearing and the central shaft is arranged in the case shell of the wind power gear box, so that the use of external auxiliary tools is saved, the gap adjusting screw rod is only required to be rotated, the push block on the end face of the positioning sleeve pushes the limiting ring to move axially, the limiting ring pushes the bearing to move axially, the structure of the base sleeve is utilized, the radial force is increased after the bearing moves axially, and the method for controlling the bearing tightness and the bearing gap is realized.
The invention also has the following beneficial effects:
the push ring and the inner ring of the limiting ring are abutted to control the gap between the inner ring and the base sleeve conveniently and quickly, a plurality of push cylinders are abutted to the outer ring through movable beads, gap control between the outer ring and the inner ring can be conveniently and quickly adjusted, dual control of the bearing gap of the wind power gear box is realized, the toothed ring can be directly installed on the outer ring, the positioning sleeve and the gap adjusting screw are arranged, transmission of the internal structure of the wind power gear box cannot be influenced, and the bearing gap control method which is convenient and reliable in adjustment and operation is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic side sectional view of a bearing clearance control structure in a wind power gearbox;
FIG. 2 is a front view of the positioning sleeve and the pushing block;
FIG. 3 is a front view of the retainer ring;
FIG. 4 is a partial cross-sectional view of a gap adjusting screw and locating sleeve mounting structure;
fig. 5 is a schematic view of the structure of the base sleeve.
In the figure: 1. a central shaft; 2. an end plate; 3. a base sleeve; 301. a horizontal portion; 302. an inclined portion; 4. a limiting ring; 5. a push ring; 6. a push cylinder; 7. a movable bead; 8. a positioning sleeve; 9. a fixing plate; 10. a limiting cavity; 11. a limiting block; 12. a push block; 13. a gap adjusting screw; 14. a drive chamber; 15. a fixed block; 16. a chute; 17. a cabinet housing; 18. an inner ring; 19. a ball bearing; 20. an outer ring; 21. a toothed ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1-5, a bearing clearance control method suitable for a wind power gear box comprises a base sleeve 3, a bearing, a limit ring 4, a locating sleeve 8 and a clearance adjusting screw 13, and specifically comprises the following steps:
firstly, positioning and installing a base sleeve 3 on a central shaft 1 of a wind power gear box, and then sleeving a bearing which is used in a matched mode on the base sleeve 3 from one end of the base sleeve 3 coaxially;
secondly, movably sleeving a limiting ring 4 on the central shaft 1 and abutting against one end of the bearing;
thirdly, fixedly mounting a positioning sleeve 8 on the central shaft 1 coaxially, fixedly connecting the positioning sleeve 8 with the inner wall of the box shell 17, and arranging a push block 12 which is axially limited and movable on the positioning sleeve 8;
fourthly, the gap adjusting screw 13 is screwed with the radial thread of the outer wall of the box shell 17, and a limiting block 11 which is limited in the positioning sleeve 8 is arranged at the inner end of the gap adjusting screw 13;
fifthly, rotating the gap adjusting screw 13, pushing the push block 12 by the limit block 11, pushing the limit ring 4 by the push block 12, and pushing the bearing by the limit ring 4 to complete bearing gap control;
in this embodiment: the gap adjusting screw 13 directly acting on the bearing and the central shaft 1 is arranged in the box shell 17 of the wind power gear box, so that the use of external auxiliary tools is saved, the gap adjusting screw 13 is only required to be rotated, the push block 12 on the end surface of the positioning sleeve 8 pushes the limiting ring 4 to move axially, the limiting ring 4 pushes the bearing to move axially, the structure of the base sleeve 3 is utilized, the axial movement of the bearing is realized, the radial force is increased, and the tightness of the bearing and the bearing gap control method are realized.
Example two
Referring to fig. 1-5, a bearing clearance control method suitable for a wind power gear box comprises a base sleeve 3, a bearing, a limit ring 4, a locating sleeve 8 and a clearance adjusting screw 13, and specifically comprises the following steps:
firstly, positioning and installing a base sleeve 3 on a central shaft 1 of a wind power gear box, and then sleeving a bearing which is used in a matched mode on the base sleeve 3 from one end of the base sleeve 3 coaxially;
secondly, movably sleeving a limiting ring 4 on the central shaft 1 and abutting against one end of the bearing;
thirdly, fixedly mounting a positioning sleeve 8 on the central shaft 1 coaxially, fixedly connecting the positioning sleeve 8 with the inner wall of the box shell 17, and arranging a push block 12 which is axially limited and movable on the positioning sleeve 8;
fourthly, the gap adjusting screw 13 is screwed with the radial thread on the outer wall of the box shell 17, and the inner end of the gap adjusting screw 13 is provided with a limiting block 11 limited in the positioning sleeve 8;
fifthly, rotating the gap adjusting screw 13, pushing the push block 12 by the limit block 11, pushing the limit ring 4 by the push block 12, and pushing the bearing by the limit ring 4 to complete bearing gap control;
the base sleeve 3 comprises an inclined part 302 and a horizontal part 301, the inner wall of the base sleeve 3 is fixedly connected with the outer wall of the central shaft 1 in an attaching manner, and the outer diameter of the horizontal part 301 is kept unchanged; the outer diameter of the inclined portion 302 becomes larger from the end of the horizontal portion 301 to the end distant from the horizontal portion 301; the end part of the base sleeve 3 is provided with an end plate 2 sleeved on the central shaft 1, and the outer diameter of the end plate 2 is larger than the maximum outer diameter of the inclined part 302; the bearing comprises an inner ring 18, an outer ring 20 and balls 19, wherein the inner wall of the inner ring 18 is attached to and limited by an inclined part 302 of the base sleeve 3, the outer wall of the inner ring 18 is in an inclined state, the inclination angle of the outer wall of the outer ring 20 is the same as that of the base sleeve 3, the inclination angle of the inner wall of the outer ring 20 is in an inclined state, the inclination angle of the inner wall of the outer ring is the same as that of the outer wall of the inner ring 18, the balls 19 are movably limited between the inner ring 18 and the outer ring 20, the outer wall of the outer ring 20 is in a horizontal state, and the outer wall of the outer ring 20 is coaxially connected with a toothed ring 21 in the box shell 17; one end face of the limiting ring 4 is coaxially and fixedly provided with a push ring 5, the end face of the limiting ring 4 is provided with a plurality of push cylinders 6 in an annular array, the extending ends of the push cylinders 6 are embedded with movable beads 7, the movable beads 7 are abutted against the end face of the bearing outer ring 20, and the extending ends of the push ring 5 are abutted against the bearing inner ring 18;
in this embodiment: the bearing is from the one end cover of base cover 3's horizontal part 301 to be sheathe in base cover 3, can the axial utilize recess or sand grip spacing between inner ring 18 and the base cover 3, 5 and the inner ring 18 counterbalance of push ring 5 with spacing ring 4, with the clearance control between regulation inner ring 18 that can be convenient and fast and the base cover 3, a plurality of push cylinders 6 offset with outer loop 20 through activity pearl 7, with the clearance control between regulation outer loop 20 that can be convenient and fast and the inner ring 18, realize the dual control in wind-powered electricity generation gear box bearing clearance, and ring gear 21 can directly install on outer loop 20, the setting of position sleeve 8 and accent clearance screw 13, can not influence the inner structure transmission of wind-powered electricity generation gear box yet, the convenient reliable bearing clearance control method of regulation operation has been realized.
EXAMPLE III
Referring to fig. 1-5, a bearing clearance control method suitable for a wind power gear box comprises a base sleeve 3, a bearing, a limit ring 4, a locating sleeve 8 and a clearance adjusting screw 13, and specifically comprises the following steps:
firstly, positioning and installing a base sleeve 3 on a central shaft 1 of a wind power gear box, and then sleeving a bearing which is used in a matched mode on the base sleeve 3 from one end of the base sleeve 3 coaxially;
secondly, movably sleeving a limiting ring 4 on the central shaft 1 and abutting against one end of the bearing;
thirdly, fixedly mounting a positioning sleeve 8 on the central shaft 1 coaxially, fixedly connecting the positioning sleeve 8 with the inner wall of the box shell 17, and arranging a push block 12 which is axially limited and movable on the positioning sleeve 8;
fourthly, the gap adjusting screw 13 is screwed with the radial thread on the outer wall of the box shell 17, and the inner end of the gap adjusting screw 13 is provided with a limiting block 11 limited in the positioning sleeve 8;
fifthly, rotating the gap adjusting screw 13, pushing the push block 12 by the limiting block 11, pushing the limiting ring 4 by the push block 12, and pushing the bearing by the limiting ring 4 to complete bearing gap control;
the base sleeve 3 comprises an inclined part 302 and a horizontal part 301, the inner wall of the base sleeve 3 is fixedly connected with the outer wall of the central shaft 1 in an attaching manner, and the outer diameter of the horizontal part 301 is kept unchanged; the outer diameter of the inclined portion 302 becomes larger from the end of the horizontal portion 301 to the end distant from the horizontal portion 301; the end part of the base sleeve 3 is provided with an end plate 2 sleeved on the central shaft 1, and the outer diameter of the end plate 2 is larger than the maximum outer diameter of the inclined part 302; the bearing comprises an inner ring 18, an outer ring 20 and balls 19, wherein the inner wall of the inner ring 18 is attached to and limited by an inclined part 302 of the base sleeve 3, the outer wall of the inner ring 18 is in an inclined state, the inclination angle of the outer wall of the outer ring 20 is the same as that of the base sleeve 3, the inclination angle of the inner wall of the outer ring 20 is in an inclined state, the inclination angle of the inner wall of the outer ring is the same as that of the outer wall of the inner ring 18, the balls 19 are movably limited between the inner ring 18 and the outer ring 20, the outer wall of the outer ring 20 is in a horizontal state, and the outer wall of the outer ring 20 is coaxially connected with a toothed ring 21 in the box shell 17; one end face of the limiting ring 4 is coaxially and fixedly provided with a push ring 5, the end face of the limiting ring 4 is provided with a plurality of push cylinders 6 in an annular array, the extending ends of the push cylinders 6 are embedded with movable beads 7, the movable beads 7 are abutted against the end face of the bearing outer ring 20, and the extending ends of the push ring 5 are abutted against the bearing inner ring 18;
the positioning sleeve 8 is fixedly connected with the inner wall of the box shell 17 through a fixing plate 9, the upper end face and the lower end face of the positioning sleeve 8 are respectively provided with a limiting cavity 10, the two limiting cavities 10 are respectively positioned at the left side and the right side of the positioning sleeve 8, the end face of the positioning sleeve 8 is provided with a sliding groove 16 communicated with the limiting cavity 10, the limiting block 11 is movably arranged in the limiting cavity 10, the push block 12 is limited in the sliding groove 16, the limiting block 11 and the push block 12 are matched and abutted through an inclined plane, and the moving direction of the limiting block 11 is perpendicular to the moving direction of the push block 12; a driving cavity 14 is formed in the side end face of each limiting block 11, each driving cavity 14 is of a T-shaped structure, a fixing block 15 is movably arranged in the horizontal end of each driving cavity 14, the gap adjusting screws 13 are fixedly installed with the fixing blocks 15, and the gap adjusting screws 13 corresponding to the two groups of limiting cavities 10 respectively extend to the top and the bottom of the box shell 17;
in this embodiment: when the clearance screw 13 is adjusted in the rotation, the clearance screw 13 is adjusted and the fixed block 15 is pulled, thereby the fixed block 15 in the driving cavity 14 pulls the limited block 11 to move linearly, the limited block 11 moves linearly, so as to push the axial motion of the push block 12, and the locating sleeve 8 is fixedly connected with the central shaft 1 and the box shell 17, so that the push block 12 pushes the limit ring 4 to move axially to control the bearing clearance, the operation is simple, convenient and reliable, the bearing clearance control structure is convenient to install, and the bearing clearance control device which is stable in use is realized.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The bearing clearance control method suitable for the wind power gear box is characterized by comprising a base sleeve (3), a bearing, a limiting ring (4), a positioning sleeve (8) and a clearance adjusting screw rod (13), and specifically comprises the following steps:
firstly, positioning and installing a base sleeve (3) on a central shaft (1) of a wind power gear box, and then coaxially sleeving a bearing which is used in a matched mode on the base sleeve (3) from one end of the base sleeve (3);
secondly, movably sleeving a limiting ring (4) on the central shaft (1) and abutting against one end of the bearing;
thirdly, fixedly mounting a positioning sleeve (8) on the central shaft (1) coaxially, fixedly connecting the positioning sleeve (8) with the inner wall of the box shell (17), and arranging a push block (12) which is axially limited and movable on the positioning sleeve (8);
fourthly, the gap adjusting screw (13) is screwed with the radial thread on the outer wall of the box shell (17), and the inner end of the gap adjusting screw (13) is provided with a limiting block (11) limited in the positioning sleeve (8);
and fifthly, rotating the gap adjusting screw (13), pushing the push block (12) by the limiting block (11), pushing the limiting ring (4) by the push block (12), and pushing the bearing by the limiting ring (4) to complete bearing gap control.
2. The bearing clearance control method suitable for the wind power gear box is characterized in that the base sleeve (3) comprises an inclined part (302) and a horizontal part (301), the inner wall of the base sleeve (3) is attached and fixedly connected with the outer wall of the central shaft (1), and the outer diameter of the horizontal part (301) is kept unchanged; the outer diameter of the inclined part (302) increases from the end of the horizontal part (301) to the end far from the horizontal part (301).
3. The bearing clearance control method suitable for the wind power gearbox is characterized in that an end plate (2) sleeved on a central shaft (1) is installed at the end part of the base sleeve (3), and the outer diameter of the end plate (2) is larger than the maximum outer diameter of the inclined part (302).
4. The bearing clearance control method suitable for the wind power gearbox is characterized by comprising an inner ring (18), an outer ring (20) and balls (19), wherein the inner wall of the inner ring (18) is attached to and limited by an inclined portion (302) of a base sleeve (3), the outer wall of the inner ring (18) is in an inclined state, the inclined angle is the same as that of the base sleeve (3), the inner wall of the outer ring (20) is in an inclined state, the inclined angle is the same as that of the outer wall of the inner ring (18), the balls (19) are movably limited between the inner ring (18) and the outer ring (20), the outer wall of the outer ring (20) is in a horizontal state, and the outer wall of the outer ring (20) is coaxially connected with a gear ring (21) in a box shell (17).
5. The bearing clearance control method suitable for the wind power gearbox is characterized in that a push ring (5) is fixedly mounted on one end face of the limiting ring (4) coaxially, a plurality of push cylinders (6) are mounted on the end face of the limiting ring (4) in an annular array mode, movable beads (7) are embedded in the extending ends of the push cylinders (6), the movable beads (7) abut against the end face of the bearing outer ring (20), and the extending ends of the push ring (5) abut against the bearing inner ring (18).
6. The bearing clearance control method suitable for the wind power gearbox is characterized in that the locating sleeve (8) is fixedly connected with the inner wall of the gearbox shell (17) through a fixing plate (9), the upper end face and the lower end face of the locating sleeve (8) are respectively provided with a limiting cavity (10), the two limiting cavities (10) are respectively located on the left side and the right side of the locating sleeve (8), the end face of the locating sleeve (8) is provided with a sliding groove (16) communicated with the limiting cavities (10), the limiting block (11) is movably arranged in the limiting cavities (10), the push block (12) is limited in the sliding groove (16), the limiting block (11) and the push block (12) are matched and abutted through inclined planes, and the moving direction of the limiting block (11) is perpendicular to the moving direction of the push block (12).
7. The bearing clearance control method suitable for the wind power gearbox according to claim 1, wherein a driving cavity (14) is formed in the side end face of the limiting block (11), the driving cavity (14) is of a T-shaped structure, a fixing block (15) is movably arranged in the horizontal end of the driving cavity (14), the clearance adjusting screws (13) and the fixing block (15) are fixedly mounted, and the clearance adjusting screws (13) corresponding to the two limiting cavities (10) respectively extend to the top and the bottom of the gearbox shell (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210464047.8A CN114658827A (en) | 2022-04-29 | 2022-04-29 | Bearing clearance control method suitable for wind power gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210464047.8A CN114658827A (en) | 2022-04-29 | 2022-04-29 | Bearing clearance control method suitable for wind power gear box |
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| Publication Number | Publication Date |
|---|---|
| CN114658827A true CN114658827A (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210464047.8A Pending CN114658827A (en) | 2022-04-29 | 2022-04-29 | Bearing clearance control method suitable for wind power gear box |
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| Country | Link |
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| CN (1) | CN114658827A (en) |
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- 2022-04-29 CN CN202210464047.8A patent/CN114658827A/en active Pending
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