CN107522084B - Special tool for hoisting magnetic poles of rotor of hydraulic generator - Google Patents
Special tool for hoisting magnetic poles of rotor of hydraulic generator Download PDFInfo
- Publication number
- CN107522084B CN107522084B CN201710927855.2A CN201710927855A CN107522084B CN 107522084 B CN107522084 B CN 107522084B CN 201710927855 A CN201710927855 A CN 201710927855A CN 107522084 B CN107522084 B CN 107522084B
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- China
- Prior art keywords
- magnetic pole
- rotor magnetic
- plates
- rubber
- panel
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- 238000000034 method Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/122—Sling or load protectors
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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
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
A special tool for hoisting magnetic poles of a rotor of a hydraulic generator is provided with a magnetic pole upper end hoisting tool, a magnetic pole lower end hoisting tool, a rotor magnetic pole, two first bolts, two second bolts, four backing plates, two rubber rings and four rubber pads. Each backing plate is provided with a panel, two inner side edge plates and two limiting plates. The panel and the two inner side edge plates form a cavity which is matched with the end angles of the rotor magnetic poles, the four end angles of the rotor magnetic poles are respectively covered with a base plate, each rubber ring bypasses the four base plates to connect the two rubber rings, the four base plates and the rotor magnetic poles together, and the concrete connecting structure is that each rubber ring bypasses two limit grooves corresponding to the rubber rings on each base plate, bypasses a pair of elastic sheets corresponding to the rubber rings and presses down the tilted ends of the pair of elastic sheets. The invention can make the hoisting and the leveling of the rotor magnetic pole easy to operate, can not collide with surrounding equipment to damage the rotor magnetic pole, and improves the disassembly and assembly efficiency of the generator rotor magnetic pole.
Description
Technical Field
The invention relates to a special hoisting tool, in particular to a special hoisting tool for a magnetic pole of a hydraulic generator rotor.
Background
If the rotor magnetic pole needs to be lifted out of the wind tunnel of the generator for inspection and maintenance, the rotor magnetic pole is difficult to lift and level because of the large weight of the magnetic pole, is easy to collide with surrounding equipment, causes damage, and has low disassembly and assembly efficiency of the rotor magnetic pole of the generator.
The inventors have retrieved the following related patent documents: CN206156568U discloses a specialized tool for hoisting the rotor magnetic pole of a hydraulic generator, which is provided with a magnetic pole upper end hoisting tool, a magnetic pole lower end hoisting tool and a rotor magnetic pole, wherein the magnetic pole upper end hoisting tool is provided with a first web, a first rib plate which is positioned on the front end surface of the first web and is vertical to the first web, a steel pipe which is fixed on the top end of the rear end surface of the first web, two first lug plates and two first bolts, and the two first bolts fix the first web and the rotor magnetic pole together through mounting holes on the two first lug plates respectively. The lifting appliance at the lower end of the magnetic pole is provided with a second web plate, a second rib plate which is positioned on the front end face of the second web plate and is vertical to the second web plate, two second lug plates and two second bolts, and the two second bolts fix the second web plate and the magnetic pole of the rotor together through mounting holes on the two second lug plates respectively. CN204425138U discloses a generator magnetic pole lifting device, and it includes magnetic pole lifting frame, adjusting bolt, lug and fixing bolt, set up an L-shaped cavity that holds the magnetic pole on the magnetic pole lifting frame, adjusting bolt sets up magnetic pole lifting frame one end, the lug with adjusting bolt connects, the lug slides along with adjusting bolt's regulation, set up on the magnetic pole lifting frame one end and be used for fixing the fixing bolt of magnetic pole. CN206417774U discloses a generator rotor magnetic pole lifting device, which comprises a U-shaped die body and an independent flat crane, wherein a pair of studs penetrating through the U-shaped die body are horizontally arranged at the upper part of the U-shaped die body, and nuts are respectively arranged at two ends of the studs. CN204297902U discloses a hydraulic generator magnetic pole lifting device, which at least comprises a lower pressing plate positioned at the first end of the magnetic pole; the upper pressing plate is positioned at the second end of the magnetic pole and detachably connected with the lower pressing plate through a first tensioning screw rod, a second tensioning screw rod and a nut; and the hanging ring is connected with the upper pressing plate.
The techniques have higher efficiency of assembling and disassembling the rotor magnetic poles and do not give specific guidance schemes for how to enable the rotor magnetic poles to be more stable in hoisting, and the rotor magnetic poles are not damaged due to collision with surrounding equipment.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a special tool for hoisting the rotor magnetic pole of the hydraulic generator, which can enable the hoisting and the leveling of the rotor magnetic pole to be easy to operate, can not collide with surrounding equipment to damage the rotor magnetic pole, and improves the disassembly and assembly efficiency of the rotor magnetic pole of the hydraulic generator.
In order to solve the technical problems, the invention adopts the following technical scheme:
a special tool for hoisting rotor magnetic poles of a hydraulic generator is provided with a magnetic pole upper end hoisting tool, a magnetic pole lower end hoisting tool, a rotor magnetic pole, two first bolts and two second bolts.
In the above technical solution, the cross section of the combination body formed by the panel and the two inner side edge plates corresponding to the cavity forms a groove (i.e. an open groove) with a downward opening. Each panel consists of two sections of flat plates and a curved plate which is arranged between the two sections of flat plates and takes the shape of an arc.
The invention also comprises four backing plates, two rubber rings and four rubber pads, when the rotor magnetic pole is hoisted, the backing plates and the rubber rings are firstly arranged on the rotor magnetic pole, and because the rubber rings are arranged, the two rubber rings can collide with surrounding equipment or obstacles in the hoisting process of the rotor magnetic pole, and the rotor magnetic pole can not directly collide with the surrounding equipment or obstacles, thereby realizing the whole process protection. Through experiments, the invention can lead the rotor magnetic pole to be more stable in hoisting, and can not collide with surrounding equipment to damage the rotor magnetic pole, and meanwhile, the invention has the advantages of simple structure, convenient installation, higher efficiency of assembling and disassembling the rotor magnetic pole, safety and labor saving. Compared with the special tool for hoisting the rotor magnetic pole of the hydraulic generator disclosed by CN206156568U in the background art, the loading and unloading work efficiency of the hydraulic generator is improved by more than 20%.
In summary, the invention can make the hoisting and the flattening of the rotor magnetic pole easy to operate, and can not collide with surrounding equipment to damage the rotor magnetic pole, thereby improving the disassembly and assembly efficiency of the generator rotor magnetic pole.
Drawings
Fig. 1 is a schematic view of the structure of the present invention (perspective view, two rubber endless belt patterns).
Fig. 2 is a schematic structural view of the present invention (perspective view, two rubber rings are not patterned).
FIG. 3 is a schematic view of a pad structure according to the present invention.
Fig. 4 is a cross-sectional view taken along line A-A in fig. 3.
FIG. 5 is a schematic view of a rubber ring of the present invention around a backing plate.
Detailed Description
As shown in fig. 1, 2, 3, 4 and 5, the special tool for hoisting the rotor magnetic pole of the hydraulic generator is provided with a magnetic pole upper end hoisting tool 1, a magnetic pole lower end hoisting tool 5, a rotor magnetic pole 3, two first bolts 2, two second bolts 4, four backing plates 6, two rubber rings 7 with circular cross sections and four rubber pads 8. Each backing plate 6 has a panel 601, two inner side edge plates 605, two limiting plates 604 respectively located at two ends of an outer side surface of the panel 601, the panel 601 and the two inner side edge plates 605 form a cavity 606 matching with end corners of a rotor magnetic pole, each of four end corners of the rotor magnetic pole 3 is covered with one backing plate 6 (namely, four backing plates are respectively buckled at four end corners of the rotor magnetic pole), the four backing plates 6 are in one-to-one correspondence with the four rubber pads 8, each rubber pad 8 is installed in one of the cavities 606 corresponding to the four rubber pads 6, two pairs of elastic pieces 602 and 603 are processed (punched) on the panel 601, and the raising ends of each pair of elastic pieces (602 or 603) are oppositely arranged (each pair of elastic pieces are raised at the opposite inner side ends), although the elastic pieces 602 and 603 can be independently arranged without punching to form two pairs of elastic pieces 602 and 603. Each limiting plate 604 is provided with two circular arc-shaped limiting grooves 604a for guiding and limiting the two rubber rings 7 when the two rubber rings 7 pass through, each rubber ring 7 bypasses four backing plates 6 to connect the two rubber rings 7, the four backing plates 6 and the rotor magnetic poles 3 together, and the specific connecting structure is that each rubber ring 7 bypasses two corresponding limiting grooves 604a on each backing plate, bypasses a pair of elastic sheets (602 or 603) corresponding to the two rubber rings and presses the tilting ends of the pair of elastic sheets down.
As shown in fig. 1, 2, 3, 4 and 5, the cross section of the combination of the panel 601 and the two inner side edge plates 605 corresponding to the cavity 606 forms a downward opening groove (i.e. an open slot). Each panel 601 is composed of two flat plates and a curved plate which is arranged between the two flat plates and takes the shape of an arc. Each backing plate 6 may be made of steel plate, wherein the face plate 601 and the two inner side edge plates 605 are made of thin steel plate.
According to the invention, when the rotor magnetic pole is hoisted, the base plate and the rubber ring are firstly arranged on the rotor magnetic pole, and due to the arrangement of the rubber ring, the two rubber rings of the rotor magnetic pole can collide with surrounding equipment or obstacles in the hoisting process, and the rotor magnetic pole can not directly collide with the surrounding equipment or obstacles, so that the whole process protection is realized. Through experiments, the invention can lead the rotor magnetic pole to be more stable in hoisting, and can not collide with surrounding equipment to damage the rotor magnetic pole, and meanwhile, the invention has the advantages of simple structure, convenient installation, higher efficiency of assembling and disassembling the rotor magnetic pole, safety and labor saving. Compared with the special tool for hoisting the rotor magnetic pole of the hydraulic generator disclosed by CN206156568U in the background art, the loading and unloading work efficiency of the hydraulic generator is improved by more than 20%.
In summary, the invention can make the hoisting and leveling of the rotor magnetic pole easy to operate, and can not collide with surrounding equipment to damage the rotor magnetic pole, thereby improving the disassembly and assembly efficiency of the generator rotor magnetic pole (compared with other related technologies except CN206156568U, the disassembly and assembly efficiency of the invention is improved by more than 30%).
Claims (1)
1. The utility model provides a hydraulic generator rotor magnetic pole hoist specialized tool, has pole upper end hoist (1), magnetic pole lower extreme hoist (5), rotor magnetic pole (3), two first bolts (2), two second bolts (4), its characterized in that the special tool of wheel generator rotor magnetic pole hoist still have four backing plates (6), its cross section is circular two rubber rings (7), four rubber pads (8) all backing plates (6) all have panel (601), two inboard marginal plates (605), two limiting plates (604) that are located respectively at the lateral surface both ends of panel (601), panel (601) and two inboard marginal plates (605) form cavity (606) that coincide with the terminal angle of rotor magnetic pole, four terminal angles department of rotor magnetic pole (3) are respectively covered with one backing plate (6), four backing plates (6) and four rubber pads (8) one-to-one, every rubber pad (8) install in rather than corresponding one in cavity (606), process two pairs of elastic pieces (603) on panel (601), when two pairs of elastic pieces (604) are located respectively, two limiting plates (604) are located through two opposite circular arc-shaped rubber rings (7) are all set up to each limiting ring (604), each rubber ring (7) bypasses four backing plates (6) to connect two rubber rings (7), four backing plates (6) and rotor magnetic poles (3) together, and the concrete connection structure is that each rubber ring (7) bypasses two corresponding limit grooves (604 a) on each backing plate, bypasses a pair of elastic sheets corresponding to the limit grooves and presses down the tilting ends of the pair of elastic sheets;
the cross section of the combination body formed by the panel (601) and the two inner side edge plates (605) corresponding to the cavity (606) forms a groove with a downward opening;
each panel (601) is composed of two flat plates and a curved plate which is arranged between the two flat plates and takes the shape of an arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927855.2A CN107522084B (en) | 2017-10-09 | 2017-10-09 | Special tool for hoisting magnetic poles of rotor of hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927855.2A CN107522084B (en) | 2017-10-09 | 2017-10-09 | Special tool for hoisting magnetic poles of rotor of hydraulic generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107522084A CN107522084A (en) | 2017-12-29 |
| CN107522084B true CN107522084B (en) | 2024-02-06 |
Family
ID=60684337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710927855.2A Active CN107522084B (en) | 2017-10-09 | 2017-10-09 | Special tool for hoisting magnetic poles of rotor of hydraulic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107522084B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944802A (en) * | 2010-10-19 | 2011-01-12 | 天津市天发重型水电设备制造有限公司 | Large-scale hydraulic generator rotor magnetic pole hanging and lifting rack |
| CN204297902U (en) * | 2014-11-21 | 2015-04-29 | 湖南云箭科技有限公司 | A kind of water-wheel generator magnetic pole hanging apparatus |
| CN204425138U (en) * | 2015-03-13 | 2015-06-24 | 成都天保重型装备股份有限公司 | Generator magnetic pole lifting device |
| KR20160059942A (en) * | 2014-11-19 | 2016-05-27 | 신장 골드윈드 사이언스 앤 테크놀로지 컴퍼니., 리미티드. | Magnetic Module as well as Assembly Method and Rotor thereof |
| JP2016137962A (en) * | 2015-01-27 | 2016-08-04 | 東京電力ホールディングス株式会社 | Suspension device |
| CN206156568U (en) * | 2016-11-04 | 2017-05-10 | 国家电网公司 | A specialized tool for hoisting hydro -generator rotor magnetic pole |
| CN206417774U (en) * | 2016-12-22 | 2017-08-18 | 重庆水轮机厂有限责任公司 | A kind of power generator rotor magnetic pole hanging apparatus |
| CN207258994U (en) * | 2017-10-09 | 2018-04-20 | 国家电网公司 | Magnet pole of rotor of hydraulic generator tool special for hoisting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6390337B2 (en) * | 2014-10-21 | 2018-09-19 | 株式会社デンソー | Control device for rotating electrical machine |
-
2017
- 2017-10-09 CN CN201710927855.2A patent/CN107522084B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944802A (en) * | 2010-10-19 | 2011-01-12 | 天津市天发重型水电设备制造有限公司 | Large-scale hydraulic generator rotor magnetic pole hanging and lifting rack |
| KR20160059942A (en) * | 2014-11-19 | 2016-05-27 | 신장 골드윈드 사이언스 앤 테크놀로지 컴퍼니., 리미티드. | Magnetic Module as well as Assembly Method and Rotor thereof |
| CN204297902U (en) * | 2014-11-21 | 2015-04-29 | 湖南云箭科技有限公司 | A kind of water-wheel generator magnetic pole hanging apparatus |
| JP2016137962A (en) * | 2015-01-27 | 2016-08-04 | 東京電力ホールディングス株式会社 | Suspension device |
| CN204425138U (en) * | 2015-03-13 | 2015-06-24 | 成都天保重型装备股份有限公司 | Generator magnetic pole lifting device |
| CN206156568U (en) * | 2016-11-04 | 2017-05-10 | 国家电网公司 | A specialized tool for hoisting hydro -generator rotor magnetic pole |
| CN206417774U (en) * | 2016-12-22 | 2017-08-18 | 重庆水轮机厂有限责任公司 | A kind of power generator rotor magnetic pole hanging apparatus |
| CN207258994U (en) * | 2017-10-09 | 2018-04-20 | 国家电网公司 | Magnet pole of rotor of hydraulic generator tool special for hoisting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107522084A (en) | 2017-12-29 |
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