CN114131539A - Magnetic steel replacing device of permanent magnet synchronous wind driven generator and using method thereof - Google Patents
Magnetic steel replacing device of permanent magnet synchronous wind driven generator and using method thereof Download PDFInfo
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- CN114131539A CN114131539A CN202111382557.2A CN202111382557A CN114131539A CN 114131539 A CN114131539 A CN 114131539A CN 202111382557 A CN202111382557 A CN 202111382557A CN 114131539 A CN114131539 A CN 114131539A
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- cross beam
- magnetic steel
- jack
- long screw
- plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 72
- 239000010959 steel Substances 0.000 title claims abstract description 72
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a magnetic steel replacing device of a permanent magnet synchronous wind driven generator and a using method thereof, wherein the device comprises a magnetic pole tool, a first cross beam, a jack, a second cross beam, a cushion block, a first long screw group and a second long screw group; a notch on one side of the magnetic pole tool is aligned with the magnetic steel and is detachably mounted on the end face of a rotor bracket of the permanent magnet synchronous wind driven generator, one end of the first long screw group is detachably mounted on the end face of the magnetic steel, the other end of the first long screw group extends out of a notch on the other side of the magnetic pole tool and is sequentially provided with a first cross beam, a second cross beam and a cushion block, the first cross beam and the second cross beam are fixed through the second long screw group, a jack is arranged between the first cross beam and the second cross beam, and the extension end of the jack penetrates through the second cross beam and then is in close contact with the cushion block; according to the invention, the magnetic steel is directly mounted and dismounted on the fan tower frame, the permanent magnet synchronous wind driven generator and the tower cylinder are not required to be disassembled, the engineering quantity and the hoisting cost are reduced, and the working efficiency and the economic benefit are improved.
Description
Technical Field
The invention relates to the technical field of magnetic steel replacement of a permanent magnet synchronous wind driven generator, in particular to a magnetic steel replacement device of a permanent magnet synchronous wind driven generator and a using method thereof.
Background
After the magnetic steel of the conventional megawatt permanent magnet synchronous wind driven generator has faults such as damage, demagnetization and the like, the whole generator needs to be lifted down from a tower frame of the wind turbine generator by a large crane due to the influence of adverse factors such as strong magnetic force of the magnetic steel, space limitation and the like, and then a new generator is lifted and installed on the tower frame to integrally replace the generator. The old generator under the handling transports to generator workshop and need to use tools such as large-scale overhead traveling crane, hoist to disintegrate, need adopt special frock of magnet steel installation to dismantle and change the generator magnet steel, and the hoist and mount cost that tower produced under every trouble generator is high, is unfavorable for the production construction.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a magnetic steel replacing device for a permanent magnet synchronous wind driven generator and a using method thereof, which can be used for directly mounting and dismounting magnetic steel on a wind turbine tower frame without disassembling and hoisting the permanent magnet synchronous wind driven generator and a tower barrel, reduce the engineering quantity and hoisting cost, and improve the working efficiency and economic benefit.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a magnetic steel replacing device of a permanent magnet synchronous wind driven generator comprises a magnetic pole tool, a square nut, a first cross beam, a jack, a second cross beam, a nut, a cushion block, a first long screw group, a second long screw group and a screw; a notch at one side of the magnetic pole tool is aligned with the magnetic steel and is detachably arranged at the end surface of a rotor bracket of the permanent magnet synchronous wind driven generator through a screw and a nut, the first cross beam and the second cross beam are both provided with a plurality of screw holes, one end of the first long screw rod group is detachably arranged at the end surface of the magnetic steel through a square nut, the other end of the first long screw group extends out of a notch on the other side of the magnetic pole tool and is sequentially provided with a first beam, a second beam and a cushion block, the second long screw group sequentially penetrates through a second end plate, a first cross beam and a second cross beam of the magnetic pole tool and then the first cross beam and the second cross beam are fixed by screwing a nut, the second cross beam is provided with a round hole for the extending end of the jack to pass through, the jack is arranged between the first cross beam and the second cross beam, the extension end of the jack passes through the round hole of the second cross beam and then is screwed down by the nut to form the first long screw group, so that the jack is in close contact with the cushion block.
Further, the magnetic pole tool comprises a first end plate, a second end plate, a bottom plate, a baffle, a first rib plate and a second rib plate, wherein notches matched with end faces of the magnetic steel are formed in the first end plate and the second end plate, the bottoms of the notches of the first end plate and the second end plate are connected through the bottom plate, the two sides of the notch of the first end plate and the notch of the second end plate are connected through the baffle to form a groove, the first rib plate is arranged on the outer side of the baffle, the two ends of the first rib plate are respectively connected with the first end plate and the second end plate, the second rib plate is arranged at the bottom of the bottom plate, and the two ends of the second rib plate are respectively connected with the first end plate and the second end plate.
Furthermore, the magnetic pole tool, the square nut, the first cross beam, the second cross beam and the cushion block are made of non-magnetic stainless steel.
Further, the first long screw group includes two first long screws, and the second long screw group includes two second long screws.
The invention provides a using method of a magnetic steel replacing device of a permanent magnet synchronous wind driven generator, which comprises the following steps:
the method comprises the steps that when the magnetic steel needs to be dismounted, a compression bar of a jack is extruded to enable the magnetic steel to be ejected out of a rotor support until the jack reaches the maximum stroke, a cushion block is tightened and a nut is fastened after the jack is decompressed, the operation is repeated until the magnetic steel is ejected out completely, and then the dismounting of the magnetic steel is completed; when new magnetic steel needs to be installed, all the square nuts and the nuts are unscrewed to detach all the components, then the magnetic steel is turned around again to be installed, namely, the magnetic pole tool is installed at the position where the new magnetic steel needs to be installed, the new magnetic steel is placed into the groove of the magnetic pole tool, one end of the first long screw rod group is installed at the end face of the new magnetic steel, the cushion block, the second cross beam, the jack and the first cross beam are sequentially installed, the second cross beam and the first cross beam are fastened through the second long screw rod group, the pressing rod of the jack is extruded to enable the new magnetic steel to be jacked into the rotor support until the jack reaches the maximum stroke, the cushion block and the nuts are tightened after the jack is decompressed, the operation is repeated until the new magnetic steel is jacked completely, and installation of the magnetic steel is completed.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention can realize direct replacement of the magnetic steel in the wind generating set, greatly reduce the engineering amount and the hoisting cost caused by the whole lower tower of the permanent magnet synchronous wind generator, effectively solve the problem that the magnetic steel of the generator needs to be replaced after being damaged on the tower drum of the wind turbine, avoid the disassembly of the impeller and the generator, avoid the use of a large crane for hoisting the impeller and the whole generator, and reduce unnecessary disassembly, installation workload and hoisting cost.
Drawings
Fig. 1 is a schematic structural diagram of a magnetic steel replacing device of a permanent magnet synchronous wind driven generator.
Fig. 2 is a schematic structural diagram of the magnetic pole tool.
Fig. 3 is a structural side view of the magnetic pole tool.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Referring to fig. 1 to 3, the magnetic steel replacing device for the permanent magnet synchronous wind power generator provided in this embodiment includes a magnetic pole tool 3, a square nut 4, a first beam 5, a jack 6, a second beam 7, a nut 8, a cushion block 9, a first long screw group 10, a second long screw group 11, and a screw 12; a notch on one side of the magnetic pole tool 3 is aligned with the magnetic steel 2 and detachably mounted at the end face of the rotor bracket 1 of the permanent magnet synchronous wind driven generator through a screw 12 and a nut 8, the first cross beam 5 and the second cross beam 7 are both provided with a plurality of screw holes, the first long screw group 10 comprises two first long screw rods, the second long screw group 11 comprises two second long screw rods, one end of the first long screw group 10 is detachably mounted at the end face of the magnetic steel 2 through a square nut 4, the other end of the first long screw group 10 extends out of a notch on the other side of the magnetic pole tool 3 and is sequentially provided with the first cross beam 5, the second cross beam 7 and a cushion block 9, the second long screw group 11 sequentially passes through the second end plate 302 of the magnetic pole tool 3, the first cross beam 5 and the second cross beam 7 and then fixes the first cross beam 5 and the second cross beam 7 through screwing the nut 8, the second cross beam 7 is provided with a round hole for the extending end of the jack 6 to pass through, the jack 6 is arranged between the first cross beam 5 and the second cross beam 7, and the jack 6 is tightly contacted with the cushion block 9 by screwing the first long screw group 10 by the nut 8 after the extension end of the jack 6 passes through the round hole of the second cross beam 7;
the magnetic pole tooling 3 comprises a first end plate 301, a second end plate 302, a bottom plate 303, a baffle 304, a first rib plate 305 and a second rib plate 306, wherein notches matched with the end surfaces of the magnetic steel 2 are formed in the first end plate 301 and the second end plate 302, the bottoms of the notches of the first end plate 301 and the second end plate 302 are connected through the bottom plate 303, two sides of the notch of the first end plate 301 and the notch of the second end plate 302 are connected through the baffle 304 to form a groove, the first rib plate 305 is arranged on the outer side of the baffle 304, two ends of the first rib plate 305 are respectively connected with the first end plate 301 and the second end plate 302, the second rib plate 306 is arranged at the bottom of the bottom plate 303, and two ends of the second rib plate 306 are respectively connected with the first end plate 301 and the second end plate 302; the magnetic pole tool 3, the square nut 4, the first cross beam 5, the second cross beam 7 and the cushion block 9 are made of non-magnetic stainless steel materials, so that the magnetic steel is not influenced by magnetic force in the process of replacing the magnetic steel.
The following is a use method of the magnetic steel replacing device of the permanent magnet synchronous wind driven generator provided by the embodiment: the method comprises the steps that when the magnetic steel needs to be dismounted, a compression bar of a jack 6 is extruded to enable the magnetic steel to be ejected out of a rotor bracket 1 until the jack 6 reaches the maximum stroke, a cushion block 9 is tightened and a nut is fastened after the jack 6 is decompressed, the operations are repeated until the magnetic steel is ejected out completely, and then the dismounting of the magnetic steel is completed; when new magnetic steel needs to be installed, all the square nuts and nuts are unscrewed to detach all the components, then the magnetic steel is turned around again to be installed, namely the magnetic pole tool 3 is installed at the position where the new magnetic steel needs to be installed, the new magnetic steel is placed into the groove of the magnetic pole tool 3, one end of the first long screw rod group 10 is installed at the end face of the new magnetic steel, the cushion block 9, the second cross beam 7, the jack 6 and the first cross beam 5 are installed in sequence, the second cross beam 7 and the first cross beam 5 are fastened through the second long screw rod group 11, the pressing rod of the jack 6 is extruded to enable the new magnetic steel to be jacked into the rotor support 1 until the jack 6 reaches the maximum stroke, the cushion block 9 is tightened and the nuts are fastened after the pressure of the jack 6 is relieved, the operation is repeated until the new magnetic steel is jacked completely, and then the installation of the magnetic steel is completed.
The above-described embodiments are only preferred embodiments of the present invention, and not intended to limit the scope of the present invention, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and as included within the scope of the present invention.
Claims (5)
1. The utility model provides a device is changed to synchronous aerogenerator magnet steel of permanent magnetism which characterized in that: the device comprises a magnetic pole tool (3), a square nut (4), a first cross beam (5), a jack (6), a second cross beam (7), a nut (8), a cushion block (9), a first long screw group (10), a second long screw group (11) and a screw (12); the magnetic pole tool is characterized in that a notch on one side of the magnetic pole tool (3) is aligned to the magnetic steel (2) and is detachably arranged at the end face of a rotor bracket (1) of the permanent magnet synchronous wind driven generator through a screw (12) and a nut (8), a plurality of screw holes are formed in the first cross beam (5) and the second cross beam (7), one end of the first long screw rod group (10) is detachably arranged at the end face of the magnetic steel (2) through a square nut (4), the other end of the first long screw rod group (10) extends out of a notch on the other side of the magnetic pole tool (3) and is sequentially provided with the first cross beam (5), the second cross beam (7) and a cushion block (9), the second long screw rod group (11) sequentially penetrates through a second end plate (302) of the magnetic pole tool (3), the first cross beam (5) and the second cross beam (7) and then is fixed through screwing the nut (8), the second cross beam (7) is provided with a round hole for the extension end of the jack (6) to pass through, the jack (6) is arranged between the first cross beam (5) and the second cross beam (7), and the extension end of the jack (6) passes through the round hole of the second cross beam (7) and then is screwed down by a nut (8) to form a first long screw rod group (10) so as to realize the close contact between the jack (6) and the cushion block (9).
2. The magnetic steel replacing device of the permanent magnet synchronous wind driven generator according to claim 1, characterized in that: the magnetic pole tool (3) comprises a first end plate (301), a second end plate (302), a bottom plate (303), a baffle plate (304), a first rib plate (305) and a second rib plate (306), the first end plate (301) and the second end plate (302) are both provided with notches matched with the end surfaces of the magnetic steel (2), the bottoms of the notches of the first end plate (301) and the second end plate (302) are connected through a bottom plate (303), the two sides of the notch of the first end plate (301) and the second end plate (302) are connected through a baffle plate (304) to form a groove, the first rib plate (305) is arranged on the outer side of the baffle plate (304), two ends of the first rib plate (305) are respectively connected with the first end plate (301) and the second end plate (302), the second rib plate (306) is arranged at the bottom of the bottom plate (303), and two ends of the second rib plate (306) are respectively connected with the first end plate (301) and the second end plate (302).
3. The magnetic steel replacing device of the permanent magnet synchronous wind driven generator according to claim 1, characterized in that: the magnetic pole tool (3), the square nut (4), the first cross beam (5), the second cross beam (7) and the cushion block (9) are made of non-magnetic stainless steel.
4. The magnetic steel replacing device of the permanent magnet synchronous wind driven generator according to claim 1, characterized in that: the first long screw group (10) comprises two first long screws, and the second long screw group (11) comprises two second long screws.
5. Use method of a device for replacing magnetic steel of a permanent magnet synchronous wind driven generator according to claims 1-4, characterized in that: the method comprises the steps that when the magnetic steel needs to be dismounted, a pressure rod of a jack (6) is extruded to enable the magnetic steel to be ejected out of a rotor bracket (1) until the jack (6) reaches the maximum stroke, a cushion block (9) is tightened and a nut is fastened after the jack (6) is decompressed, the operation is repeated until the magnetic steel is ejected out completely, and then the dismounting of the magnetic steel is completed; when new magnetic steel needs to be installed, all the square nuts and nuts are unscrewed to detach all the components, and then the components are turned around again for installation, namely, the magnetic pole tool (3) is arranged at the position where new magnetic steel needs to be arranged, the new magnetic steel is put into the groove of the magnetic pole tool (3), one end of the first long screw group (10) is arranged at the end face of the new magnetic steel, a cushion block (9), a second cross beam (7), a jack (6) and a first cross beam (5) are sequentially arranged, the second cross beam (7) and the first cross beam (5) are fastened through a second long screw group (11), a pressure rod of the jack (6) is extruded to enable new magnetic steel to be jacked into the rotor bracket (1) until the jack (6) reaches the maximum stroke, and (3) after the jack (6) is decompressed, the cushion block (9) is tightened and the nut is fastened, and the operations are repeated until new magnetic steel is completely jacked in, namely the magnetic steel is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382557.2A CN114131539B (en) | 2021-11-22 | 2021-11-22 | Magnetic steel replacement device of permanent magnet synchronous wind driven generator and application method of magnetic steel replacement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382557.2A CN114131539B (en) | 2021-11-22 | 2021-11-22 | Magnetic steel replacement device of permanent magnet synchronous wind driven generator and application method of magnetic steel replacement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114131539A true CN114131539A (en) | 2022-03-04 |
| CN114131539B CN114131539B (en) | 2024-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111382557.2A Active CN114131539B (en) | 2021-11-22 | 2021-11-22 | Magnetic steel replacement device of permanent magnet synchronous wind driven generator and application method of magnetic steel replacement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114131539B (en) |
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|---|---|---|---|---|
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| CN103266777A (en) * | 2013-04-16 | 2013-08-28 | 中天建设集团有限公司 | Large-span prestress double-arch frame hoisting process |
| CN204711957U (en) * | 2015-06-19 | 2015-10-21 | 洛阳京凯华信能源科技有限公司 | The large-scale extracting tool to wheel, impeller |
| CN205184652U (en) * | 2015-11-03 | 2016-04-27 | 杨庆军 | Three plunger reciprocating pump belt pulley resetting means |
| CN106300833A (en) * | 2016-10-12 | 2017-01-04 | 广东明阳风电产业集团有限公司 | The tool structure that a kind of rotor of permanent-magnetic power generator magnetic pole component is installed |
| CN106695669A (en) * | 2016-12-07 | 2017-05-24 | 国网甘肃省电力公司刘家峡水电厂 | Multifunctional electric hydraulic straightening and mounting press apparatus |
| CN107681845A (en) * | 2017-10-26 | 2018-02-09 | 上海电气集团上海电机厂有限公司 | A kind of permanent magnet motor magnetic pole handling instrument |
| CN208005566U (en) * | 2018-03-15 | 2018-10-26 | 合肥国轩高科动力能源有限公司 | Dismounting device of turbine disc |
| CN214237992U (en) * | 2020-12-09 | 2021-09-21 | 包头钢铁（集团）有限责任公司 | Diesel engine combination cylinder liner extracting tool |
-
2021
- 2021-11-22 CN CN202111382557.2A patent/CN114131539B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2755064A1 (en) * | 1996-10-25 | 1998-04-30 | Tnd | Procedure for removal and refitting of vehicle hubs and bearings from automobile wheels |
| CN103266777A (en) * | 2013-04-16 | 2013-08-28 | 中天建设集团有限公司 | Large-span prestress double-arch frame hoisting process |
| CN204711957U (en) * | 2015-06-19 | 2015-10-21 | 洛阳京凯华信能源科技有限公司 | The large-scale extracting tool to wheel, impeller |
| CN205184652U (en) * | 2015-11-03 | 2016-04-27 | 杨庆军 | Three plunger reciprocating pump belt pulley resetting means |
| CN106300833A (en) * | 2016-10-12 | 2017-01-04 | 广东明阳风电产业集团有限公司 | The tool structure that a kind of rotor of permanent-magnetic power generator magnetic pole component is installed |
| CN106695669A (en) * | 2016-12-07 | 2017-05-24 | 国网甘肃省电力公司刘家峡水电厂 | Multifunctional electric hydraulic straightening and mounting press apparatus |
| CN107681845A (en) * | 2017-10-26 | 2018-02-09 | 上海电气集团上海电机厂有限公司 | A kind of permanent magnet motor magnetic pole handling instrument |
| CN208005566U (en) * | 2018-03-15 | 2018-10-26 | 合肥国轩高科动力能源有限公司 | Dismounting device of turbine disc |
| CN214237992U (en) * | 2020-12-09 | 2021-09-21 | 包头钢铁（集团）有限责任公司 | Diesel engine combination cylinder liner extracting tool |
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| Publication number | Publication date |
|---|---|
| CN114131539B (en) | 2024-01-26 |
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