CN117655359A - Repair device for inner hole of end cover of wind driven generator - Google Patents
Repair device for inner hole of end cover of wind driven generator Download PDFInfo
- Publication number
- CN117655359A CN117655359A CN202211013598.9A CN202211013598A CN117655359A CN 117655359 A CN117655359 A CN 117655359A CN 202211013598 A CN202211013598 A CN 202211013598A CN 117655359 A CN117655359 A CN 117655359A
- Authority
- CN
- China
- Prior art keywords
- plate
- end cover
- positioning plate
- rotating shaft
- driven generator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008439 repair process Effects 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 241000227287 Elliottia pyroliflora Species 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a repair device for an inner hole of an end cover of a wind driven generator, which comprises a fixed platform, a positioning plate, a movable plate, a rotating shaft and a turning tool, wherein the fixed platform is arranged on the fixed platform; the top surface of the fixed platform is fixedly connected with a positioning plate with a vertically arranged plate surface; one side of the positioning plate is provided with a movable plate which is parallel to the positioning plate, a first bearing is arranged on the plate surface of the movable plate, a rotating shaft penetrates through the inner ring of the first bearing, one end of the rotating shaft penetrates through the positioning plate and is fixedly provided with a turning tool, and a motor which is in transmission connection with the other end of the rotating shaft is arranged on the movable plate; a screw rod is vertically arranged on the movable plate in a penetrating and threaded manner, and one end of the screw rod is rotatably arranged in the positioning plate; a plurality of positioning holes are formed in the edge of the positioning plate.
Description
Technical field:
the invention relates to the technical field of repair of end covers of generators, in particular to a repair device for an inner hole of an end cover of a wind driven generator.
The background technology is as follows:
the wind driven generator is an electric power device which converts wind energy into mechanical work and drives a rotor to rotate and finally outputs alternating current. When the generator on the tower is normally started, the phenomenon of relative rotation exists between the bearing outer ring in the generator end cover and the inner hole of the generator end cover, and when the generator runs at high load, the vibration phenomenon occurs, and in the process, the bearing can generate radial impact on the inner hole of the end cover; under the working condition, the long-term operation of the wind driven generator can lead to the abrasion of the inner hole of the end cover. Traditional generator end cover inner hole repairing process: the operation personnel transfer to the workshop after dismantling the end cover from the pylon, repair welding is carried out to the generator end cover hole earlier, and transfer and clamping are carried out turning repair on the lathe again, and complex operation wastes time and energy.
The invention comprises the following steps:
the invention aims to provide a device for repairing an inner hole of a wind driven generator end cover, which solves the problems of complex operation, time and labor waste of repairing the inner hole of the wind driven generator end cover.
The invention is implemented by the following technical scheme: the device for repairing the inner hole of the end cover of the wind driven generator comprises a fixed platform, a positioning plate, a movable plate, a rotating shaft and a turning tool; the top surface of the fixed platform is fixedly connected with the positioning plate with a vertically arranged plate surface; one side of the positioning plate is provided with a movable plate which is parallel to the positioning plate, a first bearing is arranged on the plate surface of the movable plate, the rotating shaft penetrates through the inner ring of the first bearing, one end of the rotating shaft penetrates through the positioning plate and is fixed with the turning tool, and a motor which is in transmission connection with the other end of the rotating shaft is arranged on the movable plate; the movable plate is vertically penetrated and provided with a screw rod in a threaded manner, and one end of the screw rod is rotatably arranged in the positioning plate; a plurality of positioning holes are formed in the edge of the positioning plate.
Preferably, a sliding groove perpendicular to the plate surface of the positioning plate is formed in the top surface of the fixing platform on the other side of the positioning plate, a sliding block is arranged along the sliding groove in a sliding mode, and a limiting groove is formed in the sliding block.
Preferably, the positioning plate is fixedly connected with the top surface of the fixed platform through a supporting rod, and the supporting rod is a telescopic rod.
Preferably, it also comprises a guide rod; the guide rod perpendicular to the plate surface is fixed on the positioning plate on the same side as the lead screw, and the end part of the guide rod penetrates through the movable plate.
Preferably, a second bearing sleeved on the rotating shaft is installed on the positioning plate, and the rotating shaft is in clearance fit with the inner ring of the second bearing.
Preferably, a copper sleeve sleeved on the rotating shaft is installed on the inner ring of the second bearing in a tight fit mode, and the rotating shaft is in clearance or transition fit with the copper sleeve.
Preferably, the other end of the screw rod is fixedly connected with a handle.
Preferably, a fastening bolt is inserted into the positioning hole, and a gasket is sleeved on the fastening bolt on the same side as the turning tool.
The invention has the advantages that: firstly, a sliding groove is formed in the top surface of the fixed platform, a sliding block is arranged along the sliding groove in a sliding mode, a limiting groove is formed in the sliding block, the inner hole of the detached wind driven generator end cover is lifted into the limiting groove of the sliding block after repair welding, the wind driven generator end cover is driven to move to a locating plate along the sliding groove by moving the sliding block, the end face of the wind driven generator end cover is attached to the plate face of the locating plate, the end face of the wind driven generator end cover is kept in a vertical state, the position of the wind driven generator end cover is limited, subsequent processing is facilitated, operation is simple, and time and labor are saved.
Secondly, a plurality of locating holes are formed in the edge of the locating plate, the locating plate is fixedly connected with the end cover of the wind driven generator through installing fastening bolts in the locating holes, the output shaft of the motor drives the rotating shaft to rotate, meanwhile, an operator operates the handle to rotate the screw rod, so that the movable plate drives the rotating shaft to linearly move along the guide rod, and accordingly the turning tool is driven to process and repair the inner hole of the end cover of the wind driven generator through the rotating shaft, operation difficulty is reduced, and operation efficiency is improved.
Thirdly, the locating plate is fixedly connected with the top surface of the fixed platform through the telescopic rod, and the height of the telescopic rod is adjusted to ensure that the inner hole of the end cover of the wind driven generator is coaxial with the rotating shaft, so that the machining precision is guaranteed.
Description of the drawings:
in order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic view of the present invention in use.
The components in the drawings are marked as follows: the device comprises a fixed platform 1, a sliding chute 1.1, a sliding block 1.2, a limit groove 1.3, a positioning plate 2, a positioning hole 2.1, a movable plate 3, a rotating shaft 4, a turning tool 5, a wind driven generator end cover 6, an inner hole 6.1, a first bearing 7, a bearing plate 8, a motor 9, a second bearing 10, a copper bush 11, a lead screw 12, a third bearing 13, a handle 14, a guide rod 15, a fastening bolt 16, a gasket 17 and a telescopic rod 18.
The specific embodiment is as follows:
the following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "front," "rear," "top," "bottom," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
1-3, the repair device for the inner hole of the end cover of the wind driven generator comprises a fixed platform 1, a positioning plate 2, a movable plate 3, a rotating shaft 4 and a turning tool 5; the top surface of the fixed platform 1 is fixedly connected with a locating plate 2 with a vertically arranged plate surface, a chute 1.1 which is vertical to the plate surface of the locating plate 2 is formed in the top surface of the fixed platform 1 at one side of the locating plate 2, the chute 1.1 is a dovetail groove, a sliding block 1.2 is arranged along the chute 1.1 in a sliding mode, a limit groove 1.3 is formed in the sliding block 1.2, an inner hole 6.1 of the detached wind driven generator end cover 6 is lifted into the limit groove 1.3 of the sliding block 1.2 after repair welding, the wind driven generator end cover 6 is driven to move to the locating plate 2 along the chute 1.1 through moving the sliding block 1.2, the end face of the wind driven generator end cover 6 is attached to the plate surface of the locating plate 2, and the end face of the wind driven generator end cover 6 is kept in a vertical state, so that the position of the wind driven generator end cover 6 is limited; a plurality of groups of positioning holes 2.1 are formed in the edge of the positioning plate 2 along the circumferential direction of the rotating shaft 4, each group of positioning holes 2.1 is used for matching with an end cover of a corresponding model, fastening bolts 16 are arranged in the positioning holes 2.1 in a penetrating manner, and the positioning holes 2.1 on the positioning plate 2 and the bolt holes on the end cover 6 of the wind driven generator are penetrated through the fastening bolts 16 so as to be convenient for firmly and fixedly connecting the end cover 6 of the wind driven generator with the positioning plate 2; the gasket 17 is sleeved on the fastening bolt 16 between the wind driven generator end cover 6 and the positioning plate 2, and a gap is reserved between the wind driven generator end cover 6 and the positioning plate 2 through the gasket 17, so that turning of the inner hole 6.1 of the wind driven generator end cover 6 by the turning tool 5 is facilitated.
The other side of the positioning plate 2 is provided with a movable plate 3 which is mutually parallel to the positioning plate 2, a first bearing 7 is arranged on the plate surface of the movable plate 3, and a rotating shaft 4 passes through the inner ring of the first bearing 7; the bottom of the movable plate 3 is welded with a bearing plate 8 with a horizontally placed plate surface, a motor 9 is arranged on the bearing plate 8, the bearing plate 8 is used for installing and fixing the motor 9, the overall stability of the device is improved, an output shaft of the motor 9 is in transmission connection with one end of the rotating shaft 4, and the rotating shaft 4 drives the inner ring of the first bearing 7 to rotate relative to the movable plate 3 under the driving of the motor 9; the other end of the rotating shaft 4 passes through the positioning plate 2 and is vertically fixed with a turning tool 5, and in the process that the motor 9 drives the rotating shaft 4 to rotate, the rotating shaft 4 can drive the turning tool 5 to process and repair the surface of the inner hole 6.1 of the wind driven generator end cover 6; the second bearing 10 sleeved on the rotating shaft 4 is arranged on the positioning plate 2, the copper bush 11 sleeved on the rotating shaft 4 is arranged on the inner ring of the second bearing 10 in a tight fit manner, the rotating shaft 4 is in clearance or transition fit with the copper bush 11, the rotating shaft 4 is guaranteed to move linearly along the copper bush 11, in addition, in the rotating process of the rotating shaft 4, radial runout exists, the copper bush 11 and the second bearing 10 can be driven to rotate, friction force reduction is facilitated, the copper bush 11 is wear-resistant, and the service life is prolonged.
The movable plate 3 is vertically penetrated and screwed with the screw rod 12, one end of the screw rod 12 is rotatably arranged in the positioning plate 2 through the third bearing 13, the other end of the screw rod 12 is fixedly connected with the handle 14, and the screw rod 12 is controlled to rotate through the operation handle 14, so that the movable plate 3 drives the rotating shaft 4 to axially move, the axial position of the turning tool 5 in the inner hole 6.1 of the wind driven generator end cover 6 is adjusted, the processing and the repairing of the turning tool are conveniently carried out along the axial direction of the inner hole 6.1 of the wind driven generator end cover 6, and the operation is simple, time and labor are saved; a guide rod 15 perpendicular to the plate surface is fixed on the positioning plate 2 on the same side as the screw rod 12, the end part of the guide rod 15 penetrates through the movable plate 3, the guide rod 15 is arranged to guide the movement of the movable plate 3, meanwhile, the movable plate 3 is supported, and in the rotating process of the screw rod 12, the movable plate 3 is prevented from generating radial acting force on the rotating shaft 4 to influence the rotating efficiency of the rotating shaft 4.
The locating plate 2 is fixedly connected with the top surface of the fixed platform 1 through the supporting rod, the supporting rod is the telescopic rod 18, the lifting of the locating plate 2 is realized through the telescopic rod 18 so as to ensure that the inner hole 6.1 of the end cover 6 of the wind driven generator is coaxial with the rotating shaft 4, the machining precision is ensured, quick locating and fastening can be realized, the operation difficulty is reduced, and the operation efficiency is improved.
Working principle: firstly, removing a wind driven generator end cover 6, repairing and welding an inner hole 6.1 of the wind driven generator end cover 6 by an operator, hanging the wind driven generator end cover 6 to a fixed platform 1 after repairing and welding is finished, enabling the edge of the wind driven generator end cover 6 to be vertically clamped in a limiting groove 1.3, and enabling the operator to drive the wind driven generator end cover 6 to move along a sliding groove 1.1 through a moving sliding block 1.2 until the end face of the wind driven generator end cover 6 is attached to the surface of a positioning plate 2; secondly, an operator makes the inner hole 6.1 of the end cover 6 of the wind driven generator coaxial with the rotating shaft 4 by adjusting the height of the telescopic rod 18; then, the fastening bolts 16 are used for penetrating through the bolt holes on the wind driven generator end cover 6 and the positioning holes 2.1 on the positioning plate 2, so that the wind driven generator end cover 6 is fixedly connected with the positioning plate 2; finally, the motor 9 is started, the output shaft of the motor 9 drives the rotating shaft 4 to rotate, and meanwhile, an operator operates the handle 14 to rotate the lead screw 12, so that the movable plate 3 drives the rotating shaft 4 to linearly move along the guide rod 15, and the turning tool 5 is driven by the rotating shaft 4 to process and repair the surface of the inner hole 6.1 of the wind driven generator end cover 6.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The device for repairing the inner hole of the end cover of the wind driven generator is characterized by comprising a fixed platform, a positioning plate, a movable plate, a rotating shaft and a turning tool; the top surface of the fixed platform is fixedly connected with the positioning plate with a vertically arranged plate surface; one side of the positioning plate is provided with a movable plate which is parallel to the positioning plate, a first bearing is arranged on the plate surface of the movable plate, the rotating shaft penetrates through the inner ring of the first bearing, one end of the rotating shaft penetrates through the positioning plate and is fixed with the turning tool, and a motor which is in transmission connection with the other end of the rotating shaft is arranged on the movable plate; the movable plate is vertically penetrated and provided with a screw rod in a threaded manner, and one end of the screw rod is rotatably arranged in the positioning plate; a plurality of positioning holes are formed in the edge of the positioning plate.
2. The repairing device for the inner hole of the end cover of the wind driven generator according to claim 1, wherein a chute perpendicular to the plate surface of the positioning plate is formed in the top surface of the fixing platform on the other side of the positioning plate, a sliding block is arranged along the chute in a sliding mode, and a limiting groove is formed in the sliding block.
3. The device for repairing the inner hole of the end cover of the wind driven generator according to claim 1, wherein the positioning plate is fixedly connected with the top surface of the fixed platform through a supporting rod, and the supporting rod is a telescopic rod.
4. The repair device for an inner hole of an end cover of a wind driven generator according to claim 1, further comprising a guide rod; the guide rod perpendicular to the plate surface is fixed on the positioning plate on the same side as the lead screw, and the end part of the guide rod penetrates through the movable plate.
5. The repair device for an inner hole of an end cover of a wind driven generator according to any one of claims 1 to 4, wherein a second bearing sleeved on the rotating shaft is installed on the positioning plate, and the rotating shaft is in clearance fit with an inner ring of the second bearing.
6. The repair device for the inner hole of the end cover of the wind driven generator according to claim 5, wherein a copper sleeve sleeved on the rotating shaft is installed on the inner ring of the second bearing in a tight fit mode, and the rotating shaft is in clearance or transition fit with the copper sleeve.
7. The device for repairing the inner hole of the end cover of the wind driven generator according to claim 1, wherein the other end of the screw rod is fixedly connected with a handle.
8. The repair device for the inner hole of the end cover of the wind driven generator according to claim 1, wherein a fastening bolt is penetrated in the positioning hole, and a gasket is sleeved on the fastening bolt on the same side as the turning tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211013598.9A CN117655359A (en) | 2022-08-23 | 2022-08-23 | Repair device for inner hole of end cover of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211013598.9A CN117655359A (en) | 2022-08-23 | 2022-08-23 | Repair device for inner hole of end cover of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117655359A true CN117655359A (en) | 2024-03-08 |
Family
ID=90075512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211013598.9A Pending CN117655359A (en) | 2022-08-23 | 2022-08-23 | Repair device for inner hole of end cover of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117655359A (en) |
-
2022
- 2022-08-23 CN CN202211013598.9A patent/CN117655359A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113328319B (en) | On-site machining equipment for collector ring of hydraulic turbine unit and using method | |
| CN107175342A (en) | Portable field turning shaft device | |
| CN117655359A (en) | Repair device for inner hole of end cover of wind driven generator | |
| CN217964780U (en) | Aerogenerator end cover hole prosthetic devices | |
| CN212286003U (en) | Combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device | |
| CN2923156Y (en) | Multifunction automatic pin hole boring-welding machine | |
| CN201685113U (en) | Powerful cutting board and tool rest broach device of numerical control machine | |
| CN216359428U (en) | Numerical control machine tool is with anchor clamps of convenient angle regulation | |
| CN202964016U (en) | Facing head sliding plate device for processing oversized aperture | |
| CN211805165U (en) | Portable shaft grinding machine | |
| CN210412556U (en) | Aerogenerator pivot prosthetic devices | |
| CN211220485U (en) | Auxiliary device for replacing brake pad of yaw brake caliper | |
| CN215090794U (en) | Tool for repairing bearing hole tower on blade side of wind power gear box body | |
| CN219287332U (en) | Special device for repairing wind driven generator | |
| JP2020131311A (en) | Centering mechanism of axis processing machine | |
| CN220362067U (en) | A processingequipment for lug group | |
| CN213052903U (en) | Automatic milling and grinding equipment for blade root of wind power generation blade | |
| CN216966955U (en) | On-spot processing equipment of hydraulic turbine unit collecting ring | |
| CN217143015U (en) | Axial compressor unit nut installation device | |
| CN110971094A (en) | New forms of energy permanent-magnet machine attaches together frock | |
| CN217452214U (en) | Diesel engine body cylinder hole machining device | |
| CN212193463U (en) | Wind-powered electricity generation blade embedded bolt installation changes all-in-one | |
| CN219860279U (en) | Novel work piece hoist mechanism that matched use of lathe processing | |
| CN220259784U (en) | Wind turbine generator system main shaft screw thread repair frock | |
| CN117260447B (en) | Wind-powered electricity generation drive chain assembly bolt preprocessing device and microscope carrier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |