CN101764449B - Wind driven generator with replaceable main bearing seal ring - Google Patents
Wind driven generator with replaceable main bearing seal ring Download PDFInfo
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- CN101764449B CN101764449B CN2009103094349A CN200910309434A CN101764449B CN 101764449 B CN101764449 B CN 101764449B CN 2009103094349 A CN2009103094349 A CN 2009103094349A CN 200910309434 A CN200910309434 A CN 200910309434A CN 101764449 B CN101764449 B CN 101764449B
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- baffle plate
- hole
- sealing ring
- seal ring
- axle
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Abstract
The invention relates to a wind driven generator with a replaceable main bearing seal ring, comprising a stator, a rotor, a main bearing, a mandrel, a connecting flange plate, a seal ring I, a seal ring II and a brake disc. The seal ring II is installed between the connecting flange plate and the small end of the mandrel, and a pressing plate II is fixedly connected to the flange plate. The main bearing comprises a main bearing outer ring and a main bearing inner ring, wherein the upper end face of the main bearing outer ring is provided with a baffle plate II. A baffle plate I is arranged above the small end of the mandrel and connected with the mandrel, and the seal ring I is installed between the baffle plate I and the baffle plate II. The seal ring I is fixed through the pressing plate I arranged above the baffle plate II. The pressing plate I and a pressing plate II are divided into at least two sections along the circumference, and at least two through holes II are arranged in the circumference of the pressing plate I. The baffle plate II is provided with a threaded hole, and bolts for fastening the pressing plate I are arranged in the through holes II and the threaded hole. The brake disc is provided with a through hole I larger than the through holes II, and the seal ring I is provided with a sheet metal with the same radial position with the through hole I. The main bearing seal ring is convenient to replace.
Description
Technical field
The present invention relates to a kind of wind-driven generator, especially relate to a kind of wind-driven generator of replaceable main bearing seal ring.
Background technology
At present, because the restriction of blower fan structure, main bearing for directly driven wind generators one end directly is connected with the axle end face, by the axle end face sealing ring is pushed down and is prevented the sealing ring motion, and the base bearing other end is pushed down sealing ring by brake disc, like this, when sealing ring was changed, need elder generation to ground, changed the wind-driven generator handling again to sealing ring, troublesome poeration, inefficiency; And, owing to useful life that far is shorter than bearing useful life of sealing ring therefore, tend to need repeatedly change, thereby aggravated damage to bearing because of the damage of sealing ring, influence the useful life of blower fan.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective that prior art exists, a kind of wind-driven generator of replaceable main bearing seal ring is provided.
Technical scheme of the present invention is: it comprises stator, stator support, rotor, rotor supports, base bearing, axle, mounting flange, sealing ring I, sealing ring II and brake disc, big end in described axle bottom and stator support are connected, stator support and stator are connected, rotor and rotor supports are connected, rotor supports and mounting flange are fastening, mounting flange is provided with wedge, sealing ring II is installed between mounting flange and the axle small end, the pressure plates II that sealing ring II is played fixation is fixed on the mounting flange, base bearing is by the base bearing outer ring, the base bearing inner ring is formed, the base bearing inner ring is installed on the axle journal of axle small end, upper surface, base bearing outer ring is provided with baffle plate II, and brake disc is installed on baffle plate II upper surface, brake disc, baffle plate II, base bearing outer ring and mounting flange link together by bolt, axle small end top is provided with baffle plate I, and baffle plate I is connected by bolt with axle; Between baffle plate I and the baffle plate II sealing ring I is installed, sealing ring I fixes by the pressure plates I that places baffle plate II top, pressure plates I and pressure plates II circumferentially are divided at least two sections, pressure plates I is circumferentially with at least two through hole II, have screwed hole on the baffle plate II, the number of described screwed hole II is identical with number and the radial position of through hole II with radial position, the mid-bolt that is useful on clam member I of through hole II and screwed hole, have the size through hole I bigger than through hole II on the brake disc, sealing ring I is provided with and the identical sheet metal of through hole I radial position.
The big end in described axle bottom is provided with manhole.
The invention has the beneficial effects as follows: the sealing ring II of base bearing lower end can enter generator inside by the manhole on axle it is changed, the sealing ring I of base bearing upper end can change it by the through hole I on the brake disc, and need not earlier the blower fan handling to be changed to ground again, simple to operation.
Description of drawings
Fig. 1 is an embodiment of the invention structural representation;
Fig. 2 is the local structure for amplifying schematic diagram in A embodiment illustrated in fig. 1 place;
Fig. 3 is a sealing ring schematic diagram embodiment illustrated in fig. 1.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
With reference to accompanying drawing, present embodiment comprises sends out stator 19, stator support 18, rotor 20, rotor supports 21, base bearing 3, axle 16, mounting flange 1, sealing ring I 7, sealing ring II 15 and brake disc 5, big end in described axle 16 bottoms and stator support 18 are connected, stator support 18 is connected with stator 19, rotor 20 is connected with rotor supports 21, rotor supports 21 is fastening with mounting flange 1, mounting flange 1 is provided with wedge 2, sealing ring II 15 is installed between mounting flange 1 and axle 16 small ends, pressure plates II 14 to 15 fixations of sealing ring II is fixed on the mounting flange 1, base bearing 3 is by base bearing outer ring 3-1, base bearing inner ring 3-2 forms, base bearing inner ring 3-2 is installed on the axle journal of axle 16 small ends, 3-1 upper surface, base bearing outer ring is provided with baffle plate II 4, brake disc 5 is installed on baffle plate II 4 upper surfaces, brake disc 5, baffle plate II 4, base bearing outer ring 3-1 and mounting flange 1 link together by bolt, axle 16 small ends top is provided with baffle plate I 8, and baffle plate I 8 is connected assurance base bearing inner ring 3-2 with axle 16 by bolt and axially be not moved; Between baffle plate I 8 and the baffle plate II 4 sealing ring I 7 is installed, sealing ring I 7 is fixing by the pressure plates I 6 that places baffle plate II 4 tops, pressure plates I 6 and pressure plates II 14 circumferentially are divided into 6 sections, pressure plates I 6 circumferential arrangement have 24 through hole II 11, have 24 screwed holes 12 identical on the baffle plate II 4 with through hole II 11 radial positions, through hole II 11 and the screwed hole 12 mid-bolts 10 that are useful on clam member I 6, have 24 through hole I9s identical on the brake disc 5 with through hole II 11 radial positions, the size of through hole I 9 is greater than the diameter of through hole II 11, sealing ring I 7 is provided with the sheet metal 13 identical with through hole I 9 radial positions, because sheet metal 13 and bolt 10 be not in same radial position, when sealing ring I 7 is changed, need by through hole I 9 operating screws 10 and sheet metal 13, therefore the size of through hole I 9 is bigger than the diameter of through hole II 11, to be convenient for changing.
The big end in described axle 16 bottoms is provided with manhole 17.
When the sealing ring II 15 between need center roller 16 and the mounting flange 1 changed, operating personnel can enter generator inside by the manhole on the axle 16 17 sealing ring II 15 is changed; In the time of need changing the sealing ring I 7 between baffle plate I 8 and the baffle plate II 4, operating personnel can unscrew bolt 10 by instruments such as through hole I 9 usefulness spanners, segmentation pressure plates I 6 is taken out, hold sheet metal 13 on the sealing ring I 7 with magnetic instrument by through hole I 9 again, sealing ring I 7 is taken out from mounting groove, when being installed, Xinmi City's seal gets final product by the above-mentioned steps reverse operating, and simple and convenient.
More than be one embodiment of the present invention, a preferred demonstration example.The scope that patent application of the present invention is asked for protection has more than and is limited to described execution mode.All and technical scheme present embodiment equivalence all belongs to protection scope of the present invention.
Claims (2)
1. the wind-driven generator of a replaceable main bearing seal ring, comprise stator, stator support, rotor, rotor supports, base bearing, axle, mounting flange, the sealing ring I, sealing ring II and brake disc, big end in described axle bottom and stator support are connected, stator support and stator are connected, rotor and rotor supports are connected, rotor supports and mounting flange are fastening, mounting flange is provided with wedge, the sealing ring II is installed between mounting flange and the axle small end, the pressing plate II that the sealing ring II is played fixation is fixed on the mounting flange, base bearing is by the base bearing outer ring, the base bearing inner ring is formed, and the base bearing inner ring is installed on the axle journal of axle small end, and upper surface, base bearing outer ring is provided with the baffle plate II, brake disc is installed on baffle plate II upper surface, brake disc, the baffle plate II, base bearing outer ring and mounting flange link together by bolt, and axle small end top is provided with the baffle plate I, and the baffle plate I is connected by bolt with axle; Between baffle plate I and the baffle plate II sealing ring I is installed, the sealing ring I is fixed by the pressing plate I that places baffle plate II top, it is characterized in that, described pressing plate I and pressing plate II circumferentially are divided at least two sections, the pressing plate I is circumferentially with at least two through hole II, have screwed hole on the baffle plate II, described screwed hole number is identical with the number and the radial position of through hole II with radial position, the mid-bolt that is useful on the clam member I of through hole II and screwed hole, have the size through hole I bigger than through hole II on the brake disc, the sealing ring I is provided with and the identical sheet metal of through hole I radial position.
2. the wind-driven generator of replaceable main bearing seal ring according to claim 1 is characterized in that, the big end in described axle bottom is provided with manhole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009103094349A CN101764449B (en) | 2009-11-09 | 2009-11-09 | Wind driven generator with replaceable main bearing seal ring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009103094349A CN101764449B (en) | 2009-11-09 | 2009-11-09 | Wind driven generator with replaceable main bearing seal ring |
Publications (2)
Publication Number | Publication Date |
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CN101764449A CN101764449A (en) | 2010-06-30 |
CN101764449B true CN101764449B (en) | 2011-06-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009103094349A Active CN101764449B (en) | 2009-11-09 | 2009-11-09 | Wind driven generator with replaceable main bearing seal ring |
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CN (1) | CN101764449B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102392798A (en) * | 2011-12-07 | 2012-03-28 | 湘电风能有限公司 | Direct-drive wind driven generator structure |
EP2604892B1 (en) | 2011-12-13 | 2017-02-01 | Siemens Aktiengesellschaft | Sealing arrangement for a wind turbine |
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2009
- 2009-11-09 CN CN2009103094349A patent/CN101764449B/en active Active
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CN101764449A (en) | 2010-06-30 |
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