CN203343990U - Maintenance device special for doubly-fed generator - Google Patents
Maintenance device special for doubly-fed generator Download PDFInfo
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- CN203343990U CN203343990U CN 201320415943 CN201320415943U CN203343990U CN 203343990 U CN203343990 U CN 203343990U CN 201320415943 CN201320415943 CN 201320415943 CN 201320415943 U CN201320415943 U CN 201320415943U CN 203343990 U CN203343990 U CN 203343990U
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- top plate
- front top
- fed generator
- double
- hole
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Abstract
The utility model provides a maintenance device special for a doubly-fed generator. The maintenance device comprises a front top plate, a clamping plate and a baffle, wherein a central hole is formed in the center of the front top plate, a plurality of small circular holes are formed in a plurality of groups of circumferences on the front top plate, which are concentric with the central hole, a large circular hole is formed in the center of the clamping plate, an opening is formed between the large circular hole and the periphery of the clamping plate, a plurality of threaded holes are formed in a plurality of groups of circumferences on the clamping plate, which are concentric with the large circular hole, the plane profile of the baffle exceeds the plane profile of the central hole in the center of the front top plate, the plurality of small circular holes in the front top plate, the plurality of threaded holes in the clamping plate are equipped with screws with corresponding specifications, and each screw is equipped with at least one nut. Maintenance operations for the doubly-fed generator can be completed in limited cabin spaces by the maintenance device; the maintenance device is simple in structure, low in production cost, convenient to carry and use, wide in application, safe to operate, high in reliability and capable of working without jacks.
Description
Technical field
The utility model relates to a kind of generating set maintenance of equipment, particularly relates to a kind of double-fed generator maintenance special purpose device.
Background technology
Atmosphere pollution, water environment degradation and the exhaustion of the mineral matter energy, proposed new problem to human development, thereby make the utilization of regenerative resource become the heat subject that scientific workers pay attention to research.Regenerative resource mainly refers to the clear energy sources such as solar energy, wind energy, geothermal energy, tide energy and biomass energy.One of forms of electricity generation that wind-power electricity generation utilizes the nature climate change to cause that the wind energy in the atmospheric circulation process promotes the well-being of mankind just.Since 20 century 70s, wind-power electricity generation has been obtained develop rapidly.Single-machine capacity has reached several megawatts at present, and wind energy turbine set power has surpassed hundreds of megawatts, and wind-power electricity generation just develops to coastal waters from inland.
Development along with wind power generating set science and technology, the popularization and application of wind power generating set, maintenance for the important composition parts double-fed generator of wind power generating set also becomes an important job, such as, the life-span of dynamo bearing is generally 5 years, at unit operation after the long period, the bearing of driving shaft and nonpowered axle end will carry out disassembling, assembling and replacing, shaft coupling expansion set tapered sleeve there will be stuck problem, and the anti-drive end collector ring need carry out the dismounting maintenance, and external fan need carry out dismounting maintenance etc.At present, the MW class wind turbine group, when carrying out the double-fed generator maintenance activity, generally adopts the instruments such as benzine blow lamp, angle grinding machine, and inflammable lubricant grease and resin are arranged in about 80m work high above the ground and cabin, very easily causes fire to become potential dangerous matter sources.Chinese patent 201110123957.1 discloses a kind of simple and easy replacing method of bearing for megawatt wind turbine, it adopts frock to comprise: lifting beam tool, collector ring disassembling fixture, bearing head disassembling fixture, bearing drawing frock, auxiliary mould, this work tooling is more and carry inconvenience while entering cabin, about 80m high-altitude, and work is comparatively loaded down with trivial details.Chinese patent 201220213079.2 discloses a kind of double-fed wind power generator bearing combination disassembling fixture, can only carry out the dismounting of bearing, and certain limitation is arranged when the blower fan operation.
Summary of the invention
The shortcoming of prior art in view of the above, the technical problems to be solved in the utility model be to provide a kind of easy to carry, work is convenient, of many uses, use safe double-fed generator to keep in repair special purpose device, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the utility model provides a kind of double-fed generator maintenance special purpose device, comprises front top plate, clamp and baffle plate;
The center of described front top plate is provided with a centre bore, on described front top plate with on the concentric many groups circumference of centre bore, is respectively arranged with a plurality of small sircle holes;
The center of described clamp is provided with a big hole, is provided with the gap of the equal diameters of a width and big hole between the outer rim of described big hole and clamp, on described clamp with on the concentric many groups circumference of big hole, is respectively arranged with a plurality of screwed holes;
The face profile of described baffle plate exceeds the face profile of the centre bore that the center of described front top plate arranges;
Described a plurality of small sircle hole and a plurality of screwed hole all are equipped with the screw rod of dimension; At least one nut is equipped with on described every screw rod.
Preferably, described front top plate is circular, the external diameter of described front top plate is 360mm, the center-hole diameter that the center of described front top plate arranges is 90mm, be respectively 300mm, 220mm, 182mm, 152mm with the diameter of the concentric many groups circumference of centre bore on described front top plate, wherein on two groups of circumference of diameter 300mm, 220mm, be respectively arranged with the small sircle hole that four diameters are 16mm, on two groups of circumference of diameter 182mm, 152mm, be respectively arranged with the small sircle hole that four diameters are 13mm.
Preferably, described clamp is be provided with gap circular, the external diameter of described clamp is 360mm, the radius of the big hole that the center of described clamp arranges is 85mm, be respectively 300mm, 220mm with the diameter of the concentric many groups circumference of big hole on described clamp, be provided with respectively the screwed hole of the corresponding M16 of small sircle hole that the diameter with front top plate is 16mm on two groups of circumference of diameter 300mm, 220mm.
Preferably, described baffle plate is cuboid, and the thickness of described baffle plate is 30mm, the long and wide 130mm that is.
As mentioned above, a kind of double-fed generator maintenance special purpose device of the present utility model has following beneficial effect:
Can in limited cabin space, complete the maintenance activity of double-fed generator; Simple in structure, production cost is low, be easy to carry; Easy to use, can complete the dismounting at a plurality of positions of double-fed generator, of many uses; Handling safety, reliability is high, in the situation that also can work without jack.
The accompanying drawing explanation
Fig. 1 is shown as the structural representation of a kind of double-fed generator maintenance special purpose device of the present utility model.
The master that Fig. 2 is shown as a kind of double-fed generator maintenance special purpose device of the present utility model looks schematic diagram.
Fig. 3 is shown as the structural representation of the front top plate of a kind of double-fed generator maintenance special purpose device of the present utility model in embodiment mono-.
Fig. 4 is shown as the structural representation of the clamp of a kind of double-fed generator maintenance special purpose device of the present utility model in embodiment mono-.
Fig. 5 is shown as the structural representation of the baffle plate of a kind of double-fed generator maintenance special purpose device of the present utility model in embodiment mono-.
Fig. 6 is shown as the work schematic diagram of a kind of double-fed generator maintenance special purpose device dismounting double-fed generator driving shaft expansion set tapered sleeve of the present utility model.
Fig. 7 is shown as the work schematic diagram of a kind of double-fed generator maintenance special purpose device dismounting double-fed generator drive shaft end bearing of the present utility model.
Fig. 8 is shown as the work schematic diagram of a kind of double-fed generator maintenance special purpose device dismounting double-fed generator anti-drive end collector ring of the present utility model.
Fig. 9 is shown as the work schematic diagram of a kind of double-fed generator maintenance special purpose device dismounting double-fed generator anti-drive end external fan of the present utility model.
The element numbers explanation
1 front top plate
2 clamps
3 baffle plates
4 screw rods
5 nuts
6 double-fed generator driving shafts
7 expansion set tapered sleeves
8 jack
9 bearings
10 bearing internal end cover
11 double-fed generator nonpowered axles
12 collector rings
13 fan guards
14 fans
The specific embodiment
Below by particular specific embodiment, embodiment of the present utility model is described, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.
Refer to Fig. 1 to Fig. 9.Notice, appended graphic the illustrated structure of this specification, ratio, size etc., equal contents in order to coordinate specification to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the purpose that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this specification, quote as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the utility model.
As shown in Figure 1 and Figure 2, the utility model provides a kind of double-fed generator maintenance special purpose device, comprises front top plate 1, clamp 2 and baffle plate 3.Wherein, the center of described front top plate 1 is provided with a centre bore, on described front top plate 1 with on the concentric many groups circumference of centre bore, is respectively arranged with a plurality of small sircle holes.The center of described clamp 2 is provided with a big hole, is provided with the gap of the equal diameters of a width and circular hole between the outer rim of described big hole and clamp 2, on described clamp 2 with on the concentric many groups circumference of big hole, is respectively arranged with a plurality of screwed holes.The face profile of described baffle plate 3 exceeds the face profile of the centre bore that the center of described front top plate 1 arranges.A plurality of small sircle holes of described front top plate 1, a plurality of screwed holes of described clamp 2 all are equipped with the screw rod 4 of dimension; .At least one nut 5 is equipped with on described every screw rod 4.
Embodiment mono-
As shown in Figure 3, front top plate 1 is circular, the D outer diameter of described front top plate 1 is 360mm, the center-hole diameter d that the center of described front top plate arranges is 90mm, be respectively d1=300mm, d2=220mm, d3=182mm, d4=152mm with the diameter of the concentric many groups circumference of centre bore on described front top plate, wherein on two groups of circumference of diameter 300mm, 220mm, be respectively arranged with the small sircle hole that four diameters are 16mm, on two groups of circumference of diameter 182mm, 152mm, be respectively arranged with the small sircle hole that four diameters are 13mm.
As shown in Figure 4, clamp 2 is for being provided with the circular of gap, the D outer diameter 1 of described clamp 2 is 360mm, the radius r of the big hole that the center of described clamp arranges is 85mm, be respectively d5=300mm, d6=220mm with the diameter of the concentric many groups circumference of big hole on described clamp, be provided with respectively the screwed hole of the corresponding M16 of small sircle hole that the diameter with front top plate 1 is 16mm on two groups of circumference of diameter 300mm, 220mm.
As shown in Figure 5, baffle plate 3 is cuboid, and the thickness H of described baffle plate 3 is 30mm, and long L and wide W are 130mm.
As shown in Figure 6, the utility model can be realized by the following method for the dismounting of double-fed generator driving shaft expansion set tapered sleeve: a side that clamp 2 is stuck in to expansion set tapered sleeve 7, baffle plate 3 is arranged to double-fed generator driving shaft 6 end faces, again front top plate 1 is arranged to the outside of baffle plate 3, the screw rod of four M16,4 one ends are screwed in respectively to the screwed hole of the M16 arranged on the circumference of diameter 300mm of clamp 2, make the other end of the screw rod 4 of four M16 stretch out respectively four small sircle holes that diameter is 16mm that arrange on the diameter 300mm circumference of front top plate 1, screw in respectively the nut 5 of M16 on the screw rod 4 of these four M16, make nut 5 compress the lateral surface of front top plate 1, then continue the M16 nut 5 on the screw rod 4 of four M16 of rotation, screw rod 4 is outwards moved with respect to front top plate 1, screw rod 4 drive clamps 2 outwards move, clamp 2 drives again expansion set tapered sleeve 7 and outwards moves along double-fed generator driving shaft 6, thereby realize the dismounting of double-fed generator driving shaft expansion set tapered sleeve 7.If maintenance sites has the words of jack, also can between baffle plate 3 and double-fed generator driving shaft 6 end faces, jack be set, needn't rotating nut 5, by regulating jack, make front top plate 1 drive clamp 2, then drive expansion set tapered sleeve 7 and outwards move along double-fed generator driving shaft 6, can realize equally the dismounting of double-fed generator driving shaft expansion set tapered sleeve 7.When expansion set tapered sleeve 7 is installed, expansion set tapered sleeve 7 is packed into by double-fed generator driving shaft 6 ends, expansion set tapered sleeve 7 is in place get final product by evenly beaing.
The utility model of dismounting from to(for) double-fed generator driving shaft expansion set tapered sleeve, because the diameter of double-fed generator driving shaft 6 is less than the diameter of the centre bore of front top plate 1, the effect of baffle plate 3 is to block the centre bore of front top plate 1, make double-fed generator driving shaft 6 end faces can indirectly hold out against front top plate 1, therefore, the face profile of baffle plate 3 can be square, rectangle, circular, oval, the various shapes such as triangle, no matter be any shape, the face profile of baffle plate 3 should be able to block the centre bore of front top plate 1, so the face profile of baffle plate 3 should exceed the face profile of the centre bore of front top plate 1, the maximum length size of baffle plate 3 face profiles should be greater than the diameter of the centre bore of front top plate 1 in other words.
As shown in Figure 7, the utility model can be realized by the following method for the dismounting of double-fed generator drive shaft end bearing: four screw rod 4 one ends are screwed in respectively in the corresponding screwed hole of bearing internal end cover 10, outwards set gradually jack 8 by double-fed generator driving shaft 6 end faces, baffle plate 3 and front top plate 1, make the other end of four screw rods 4 respectively through the corresponding small sircle hole of front top plate 1, screw in respectively nut 5 on these four screw rods 4, make nut 5 compress the lateral surface of front top plate 1, then regulate jack 8, jack 8 is outwards pushed up front top plate 1, front top plate 1 is by screw rod 4 band dynamic bearing internal end cover 10, then be with dynamic bearing 9 outwards to move along double-fed generator driving shaft 6, complete the dismantlement work of bearing 9.If scene does not have jack 8, by double-fed generator driving shaft 6 end faces, outwards set gradually baffle plate 3 and front top plate 1, make equally nut 5 compress the lateral surface of front top plate 1, then continue rotating nut 5, because front top plate 1 and the relative position of double-fed generator driving shaft 6 end faces are fixed, therefore screw rod 4 outwards moves with respect to front top plate 1, screw rod 4 band dynamic bearing internal end cover 10 outwards move, bearing internal end cover 10 is with again dynamic bearing 9 outwards to move along double-fed generator driving shaft 6, thereby realizes the dismounting of bearing 9.When bearing 9 is installed, with the special bearing heater, the inner ring of bearing 9 is heated to 110 ℃ and is no more than 120 ℃, guarantee that the outer ring of bearing 9 is greater than 80 ℃ simultaneously, bearing 9 once mounting are put in place and get final product.
As shown in Figure 8, the utility model can be realized by the following method for the dismounting of double-fed generator anti-drive end collector ring: the right-hand member of clamp 2 being close to collector ring 12, the big hole of clamp 2 is stuck on double-fed generator nonpowered axle 11, screw in respectively screw rod 4 in the screwed hole of four M16 that arrange on the circumference of the diameter 300mm of clamp 2, screw rod 4 is held out against on the fan guard 13 on collector ring 12 right sides through after a nut 5 respectively.Rotating nut 5, screw rod 4 is moved right with respect to nut 5, because holding out against on fan guard 13, screw rod 4 can not be moved, therefore nut 5 is moved to the left with respect to screw rod 4, thereby nut 5 drives clamp 2 and is moved to the left, clamp 2 drives collector ring 12 and is moved to the left along double-fed generator nonpowered axle 11, thereby realizes the dismantlement work of collector ring 12.When collector ring 12 is installed, the retaining thread hole with bolt by collector ring and double-fed generator nonpowered axle 11 ends slowly tightly enters to get final product by it.
As shown in Figure 9, the utility model can be realized by the following method for the dismounting of double-fed generator anti-drive end external fan: the right-hand member of screw rod 4 is screwed in the screwed hole of fan 14, the left end of screw rod 4 is through the corresponding small sircle hole of front top plate 1 that withstands on double-fed generator nonpowered axle 11 ends, left end by screw rod 4 screws in the left surface that nut 5 is close to front top plate 1, continue rotating nut 5, the relative nut 5 of screw rod 4 is moved left, drive fan 14 is moved to the left along double-fed generator nonpowered axle 11, thereby realizes the dismantlement work of fan 14.During provided with fan 14, fan 14 is enclosed within on double-fed generator nonpowered axle 11, with hand hammer, evenly beats fan 14 roots, fan 14 is in place and gets final product.
In sum, a kind of double-fed generator maintenance of the utility model special purpose device can complete the maintenance activity of double-fed generator in limited cabin space; Simple in structure, production cost is low, be easy to carry; Easy to use, can complete the dismounting at a plurality of positions of double-fed generator, of many uses; Handling safety, reliability is high, in the situation that also can work without jack.So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, be modified or be changed above-described embodiment.Therefore, have in technical field under such as and usually know that the knowledgeable modifies or changes not breaking away from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (4)
1. a double-fed generator maintenance special purpose device, is characterized in that, comprises front top plate, clamp and baffle plate;
The center of described front top plate is provided with a centre bore, on described front top plate with on the concentric many groups circumference of centre bore, is respectively arranged with a plurality of small sircle holes;
The center of described clamp is provided with a big hole, is provided with the gap of the equal diameters of a width and big hole between the outer rim of described big hole and clamp, on described clamp with on the concentric many groups circumference of big hole, is respectively arranged with a plurality of screwed holes;
The face profile of described baffle plate exceeds the face profile of described centre bore;
Described a plurality of small sircle hole and a plurality of screwed hole all are equipped with the screw rod of dimension; At least one nut is equipped with on every described screw rod.
2. a kind of double-fed generator according to claim 1 keeps in repair special purpose device, it is characterized in that: described front top plate is circular, the external diameter of described front top plate is 360mm, the center-hole diameter that the center of described front top plate arranges is 90mm, be respectively 300mm with the diameter of the concentric many groups circumference of centre bore on described front top plate, 220mm, 182mm, 152mm, wherein at diameter 300mm, be respectively arranged with the small sircle hole that four diameters are 16mm on two groups of circumference of 220mm, at diameter 182mm, be respectively arranged with the small sircle hole that four diameters are 13mm on two groups of circumference of 152mm.
3. a kind of double-fed generator according to claim 2 keeps in repair special purpose device, it is characterized in that: described clamp is be provided with gap circular, the external diameter of described clamp is 360mm, the radius of the big hole that the center of described clamp arranges is 85mm, be respectively 300mm, 220mm with the diameter of the concentric many groups circumference of big hole on described clamp, be provided with respectively the screwed hole of the corresponding M16 of small sircle hole that the diameter with front top plate is 16mm on two groups of circumference of diameter 300mm, 220mm.
4. according to the described a kind of double-fed generator maintenance special purpose device of claim 2 or 3, it is characterized in that: described baffle plate is cuboid, and the thickness of described baffle plate is 30mm, the long and wide 130mm that is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320415943 CN203343990U (en) | 2013-07-12 | 2013-07-12 | Maintenance device special for doubly-fed generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320415943 CN203343990U (en) | 2013-07-12 | 2013-07-12 | Maintenance device special for doubly-fed generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203343990U true CN203343990U (en) | 2013-12-18 |
Family
ID=49743923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320415943 Expired - Fee Related CN203343990U (en) | 2013-07-12 | 2013-07-12 | Maintenance device special for doubly-fed generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203343990U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117963A (en) * | 2014-08-06 | 2014-10-29 | 山东丰汇设备技术有限公司 | Coupler detachment device |
| WO2021190023A1 (en) * | 2020-03-23 | 2021-09-30 | 中国航发商用航空发动机有限责任公司 | Balance shaft sleeve decomposition assembly, and balance shaft sleeve decomposition method |
-
2013
- 2013-07-12 CN CN 201320415943 patent/CN203343990U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117963A (en) * | 2014-08-06 | 2014-10-29 | 山东丰汇设备技术有限公司 | Coupler detachment device |
| WO2021190023A1 (en) * | 2020-03-23 | 2021-09-30 | 中国航发商用航空发动机有限责任公司 | Balance shaft sleeve decomposition assembly, and balance shaft sleeve decomposition method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20140712 |
|
| EXPY | Termination of patent right or utility model |