CN114131539B - Magnetic steel replacement device of permanent magnet synchronous wind driven generator and application method of magnetic steel replacement device - Google Patents
Magnetic steel replacement device of permanent magnet synchronous wind driven generator and application method of magnetic steel replacement device Download PDFInfo
- Publication number
- CN114131539B CN114131539B CN202111382557.2A CN202111382557A CN114131539B CN 114131539 B CN114131539 B CN 114131539B CN 202111382557 A CN202111382557 A CN 202111382557A CN 114131539 B CN114131539 B CN 114131539B
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- China
- Prior art keywords
- magnetic steel
- jack
- screw rod
- long screw
- rod group
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 74
- 239000010959 steel Substances 0.000 title claims abstract description 74
- 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 abstract description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- 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
Abstract
The invention discloses a magnetic steel replacement device of a permanent magnet synchronous wind driven generator and a use method thereof, wherein the device comprises a magnetic pole tool, a first beam, a jack, a second beam, a cushion block, a first long screw rod group and a second long screw rod group; the slot of one side of the magnetic pole tool is aligned with the magnetic steel and is detachably arranged at the end face of the rotor bracket of the permanent magnet synchronous wind driven generator, one end of the first long screw rod group is detachably arranged at the end face of the magnetic steel, the other end of the first long screw rod group extends out of the slot of the other side of the magnetic pole tool and is sequentially provided with a first beam, a second beam and a cushion block, the first beam and the second beam are fixed through the second long screw rod group, a jack is arranged between the first beam and the second beam, and the extension end of the jack tightly contacts with the cushion block after passing through the second beam; the invention realizes the direct installation and disassembly of the magnetic steel on the fan tower without disassembling the permanent magnet synchronous wind driven generator and the tower barrel, reduces the engineering quantity and the hoisting cost, and improves the working efficiency and the economic benefit.
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 use method of the magnetic steel replacement device.
Background
After the magnetic steel of the existing megawatt permanent magnet synchronous wind driven generator is damaged, demagnetized and other faults, the whole generator is required to be lifted from a tower of a 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 to perform integral replacement of the generator. The old generator under the handling is transported to the generator workshop and is required to be disassembled by using tools such as a large crown block, a lifting appliance and the like, and the magnetic steel of the generator is required to be detached and replaced by adopting a special tool for installing the magnetic steel, so that the lifting cost generated by the lower tower of each fault generator is high, and the production and the construction are not facilitated.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a permanent magnet synchronous wind power generator magnetic steel replacement device and a use method thereof, which can directly mount and dismount magnetic steel on a wind turbine tower without disassembling and then hoisting a permanent magnet synchronous wind power generator and a tower barrel, thereby reducing the engineering quantity and hoisting cost and improving the working efficiency and economic benefit.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: a magnetic steel replacement device of a permanent magnet synchronous wind driven generator comprises a magnetic pole tool, a square nut, a first beam, a jack, a second beam, a nut, a cushion block, a first long screw rod group, a second long screw rod group and screws; the utility model discloses a permanent magnet synchronous wind driven generator, including magnetic pole frock, first long screw rod group, second long screw rod group, screw nut, first crossbeam, second long screw rod group, screw nut, first crossbeam and cushion are equipped with in proper order to one side notch alignment magnet steel of magnetic pole frock and through screw and nut detachable installation in the terminal surface department of the rotor support of permanent magnet synchronous wind driven generator, a plurality of screw holes have all been opened to first crossbeam and second crossbeam, the terminal surface department at the magnet steel is installed through square nut detachable to the one end of first long screw rod group, the opposite side notch of stretching out the magnetic pole frock and being equipped with first crossbeam, second crossbeam and cushion in proper order to the other end of first long screw rod group, the second long screw rod group passes through behind second end plate, first crossbeam and the second crossbeam of magnetic pole frock in proper order and makes first crossbeam and second crossbeam fixed through tightening the nut, the second crossbeam is opened the round hole that the extension end that supplies the jack passes, the jack sets up between first crossbeam and second crossbeam, the extension end of jack adopts the nut to screw up first long screw rod group after the round hole of second crossbeam.
Further, the magnetic pole frock includes first end plate, second end plate, bottom plate, baffle, first gusset and second gusset, first end plate and second end plate all open have with the terminal surface assorted notch of magnet steel, the notch bottom of first end plate and second end plate is connected through the bottom plate, the notch both sides of first end plate and second end plate are connected through the baffle, constitute a recess, first gusset sets up in the outside of baffle, and the both ends of first gusset are connected with first end plate and second end plate respectively, the second gusset sets up in the bottom of bottom plate, and the both ends of second gusset are connected with first end plate and second end plate respectively.
Further, 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 replacement device of a permanent magnet synchronous wind driven generator, which comprises the following steps:
the method comprises the steps that when the magnetic steel is required to be disassembled, a compression bar of a jack is extruded to enable the magnetic steel to be ejected out of a rotor bracket until the jack reaches the maximum stroke, a cushion block is tightened and a nut is fastened after the jack is decompressed, and the operation is repeated until the magnetic steel is completely ejected out, so that the disassembly of the magnetic steel is completed; when new magnetic steel is required to be installed, all parts are detached by unscrewing nuts and nuts of all parties, then the new magnetic steel is installed in a turning-around mode, namely, the magnetic pole tool is installed at the position where the new magnetic steel is required to be installed, the new magnetic steel is placed in a groove of the magnetic pole tool, one end of a first long screw rod group is installed at the end face of the new magnetic steel, a cushion block, a second cross beam, a jack and a first cross beam are installed in sequence, the second cross beam and the first cross beam are fastened through the second long screw rod group, a compression rod of the jack is extruded to enable the new magnetic steel to be jacked into a rotor support until the jack reaches the maximum stroke, the cushion block is tightened again after the jack is decompressed, the nuts are fastened, and the operation is repeated until the new magnetic steel is completely jacked in, and then the 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 the direct replacement of the magnetic steel in the wind generating set, greatly reduce the engineering quantity and the hoisting cost brought by the whole lower tower of the permanent magnet synchronous wind generating set, effectively solve the problem that the magnetic steel of the generator needs to be replaced after being damaged on the tower drum of the fan, avoid the need of disassembling the impeller and the generator, avoid using a large crane to hoist the impeller and the whole generator, and reduce the unnecessary disassembly, installation workload and hoisting cost.
Drawings
Fig. 1 is a schematic structural diagram of a magnetic steel replacement device of a permanent magnet synchronous wind driven generator.
Fig. 2 is a schematic structural diagram of a magnetic pole tooling.
Fig. 3 is a structural side view of a pole tooling.
Detailed Description
The invention will be further illustrated with reference to specific examples.
Referring to fig. 1 to 3, the magnetic steel replacement device for the permanent magnet synchronous wind driven generator provided by the embodiment 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 rod group 10, a second long screw rod group 11 and screws 12; the notch at one side of the magnetic pole tool 3 is aligned with the magnetic steel 2 and is detachably arranged 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 provided with a plurality of screw holes, the first long screw rod group 10 comprises two first long screws, the second long screw rod group 11 comprises two second long screws, 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 the notch at the other side of the magnetic pole tool 3 and is sequentially provided with a first cross beam 5, a second cross beam 7 and a cushion block 9, the second long screw rod group 11 sequentially penetrates 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 is fixed through the tightening nut 8, the second cross beam 7 is provided with a round hole for the extending end of the jack 6 to penetrate through, and the jack 6 is arranged between the first cross beam 5 and the second cross beam 7, and the second cross beam 7 can be tightly contacted with the round hole 9 after the extending end of the jack 6 penetrates through 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 the first end plate 301 and the second end plate 302 are provided with notches matched with the end faces 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 the bottom plate 303, two sides of the notches of the first end plate 301 and 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-conductive stainless steel materials, so that the magnetic steel is not affected by magnetic force in the process of replacing the magnetic steel.
The following is a method for using the magnetic steel replacement device of the permanent magnet synchronous wind driven generator provided by the embodiment: the method comprises the steps that when the magnetic steel is required to be disassembled, 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, and the operation is repeated until the magnetic steel is completely ejected out, so that the magnetic steel is disassembled; when new magnetic steel is required to be installed, all parts are detached by unscrewing nuts and nuts of all sides, then the new magnetic steel is installed in a turning way again, namely the magnetic pole tool 3 is installed at the position where the new magnetic steel is required to be installed, the new magnetic steel is placed in a groove of the magnetic pole tool 3, one end of a first long screw rod group 10 is installed 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 installed, the second cross beam 7 and the first cross beam 5 are fastened through the second long screw rod group 11, a compression 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 again after the jack 6 is decompressed, the nuts are fastened, and the operation is repeated until the new magnetic steel is completely jacked in, and therefore the installation of the magnetic steel is completed.
The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the present invention should be made in the equivalent manner, and are included in the scope of the present invention.
Claims (4)
1. The utility model provides a synchronous aerogenerator magnet steel change device 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 rod group (10), a second long screw rod group (11) and screws (12); the notch at one side of the magnetic pole tool (3) is aligned with 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 both the first beam (5) and the second 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 notch at the other side of the magnetic pole tool (3) is outwards extended from the other end of the first long screw rod group (10) and is sequentially provided with a first beam (5), a second 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 beam (5) and the second beam (7) and then is fixed through tightening the nut (8), a round hole for the extending end of a jack (6) to penetrate through is formed in the second beam (7), the jack (6) is arranged between the first beam (5) and the second beam (7), the extension end of the jack (6) passes through the round hole of the second cross beam (7), and then the first long screw rod group (10) is screwed by adopting the nut (8), so that the tight contact between the jack (6) and the cushion block (9) can be realized;
the magnetic pole tool (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 faces of 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 notches of the first end plate (301) and the second end plate (302) are connected through the baffle (304), a groove is formed, the first rib plate (305) is arranged on the outer side of the baffle (304), two ends of the first rib plate (305) are connected with the first end plate (301) and the second end plate (302) respectively, 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 connected with the first end plate (301) and the second end plate (302) respectively.
2. The permanent magnet synchronous wind power generator magnetic steel replacement device according to claim 1, wherein: 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.
3. The permanent magnet synchronous wind power generator magnetic steel replacement device according to claim 1, wherein: the first long screw group (10) comprises two first long screws, and the second long screw group (11) comprises two second long screws.
4. A method of using the permanent magnet synchronous wind generator magnetic steel replacement device according to any one of claims 1-3, characterized in that: the method comprises the steps that when the magnetic steel is required to be disassembled, 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, and the operation is repeated until the magnetic steel is completely ejected out, so that the disassembly of the magnetic steel is completed; when new magnetic steel is required to be installed, all parts are detached by unscrewing nuts and nuts of all sides, then the new magnetic steel is installed in a turning-around mode, namely the magnetic pole tool (3) is installed at the position where the new magnetic steel is required to be installed, the new magnetic steel is placed in a groove of the magnetic pole tool (3), one end of a first long screw rod group (10) is installed 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 installed, the second cross beam (7) and the first cross beam (5) are fastened through the second long screw rod group (11), the compression bar 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 again after the jack (6) is decompressed, the nuts are fastened, and the operation is repeated until the installation of the new magnetic steel is completed.
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 CN114131539A (en) | 2022-03-04 |
| CN114131539B true CN114131539B (en) | 2024-01-26 |
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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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| 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 | A kind of provision for disengagement of the turbine disk |
| 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 |
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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114131539A (en) | 2022-03-04 |
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