• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to electrical engineering. The purpose of the invention is to increase reliability. The electric machine comprises a stator core 1 with a hole 2 for the rotor. Along the axis of the machine, at a distance from one another, at least two mutually parallel annular support plates 3 with broadenings 4 in the zone of the horizontal plane are installed. The carrier plates 3 in places of broadening are mechanically rigidly connected to the lower part 6 of the housing by means of fixing units 5. The housing is made detachable. The electrical manipulation through the supporting plates 8 rests on the foundation 9. The stator core rests on the annular support plate using fastening wedges 12. The fixing unit 5 consists of a vertical fixing plate, which is welded to the widening point of the plate 3. Pipe sections welded to the fixing plate, which, on the other hand, are welded to the bottom of the casing 6. The invention makes it possible to reduce thermal stresses and oscillations by 4 Cp. f-ly, 6 ill. g
    公开号:SU1412604A3
    申请号:SU853903156
    申请日:1985-06-05
    公开日:1988-07-23
    发明作者:Циммерманн Ханс
    申请人:Ббц Аг Браун,Бовери Унд Ко.(Фирма)；
    IPC主号:
    专利说明:

    / g JJ
    The invention relates to electrical engineering, in particular, to mounting an active steel stator package in an electric machine with a horizontal shaft.
    The purpose of the invention is to increase reliability by reducing thermal stresses and fluctuations,
    Fig. 1 shows an electrical machine, vertical section; Fig. 2 - node I in FIG. 1 (location of the fastening wedge); in FIG. 3 - the node II in FIG. 1 (the fixing unit of the fastening part) 5 in FIG. 4 - horizontal plane of symmetry of an electric machine, a partial section; in fig. 5 is a section A-A in FIG. 4, in FIG. 6 is a section BB in FIG. four,
    The electric machine removes the package 1 from the stator core, the hole for the rotor and the annular carrier plate 3 Last on both sides in the zone of its horizontal plane of symmetry has a broadening 4. Through each node 5 fixation (mounting part) 5.kotor is simultaneously located in the zone of the horizontal plane of symmetry The carrier plate 3 in its places of widening 4 is mechanically rigidly connected to the lower part of the housing. 6,
    The lower 6 and upper 7 parts of the housing are cut, the active steel package 1 of the stator is presented in horizontal projection and the annular support plate 3 is also represented in horizontal projection (Fig. 1). The electric machine through the supporting plates 8 rests on the foundation 9. moreover, for mechanical reinforcement the bottom 10 of the housing is installed, the inclined support plates 11. The active stator steel package 1 rests on the annular support plate 3 only with the help of fixing wedges 12 and evenly distributed throughout its perimeter that the remaining (much larger) part of the perimeter of the active-steel package 1 of the stator is at some distance from the annular support plate 3,
    FIG. 1, only one annular carrier plate 3 is represented, and in electric machines at least two mutually parallel, located at some distance along the axis of the electrical machine, carrier plates 3 are provided.
    five
    0
    Characteristics of magnitude e, a spectroscopic machine can be installed from up to six carrier plates 3.
    The ring carrier of the plestin 3 is connected to the part of the body b of the electric machine in the area of its hypoelectric horizontal symmetry with the help of fastening parts 5 located on both sides, with the support plate 3 and below 6 and the upper 7 (case body there is an empty space. The perimeter of the active steel package of the stator is made in the form of multiple angles.
    For clarity (FIG. 2), KJinHoBoe shows the fastening of the package 1 of the stator core in the ring. Your carrier l. 3, Last, on its inner perimeter, has aeimka; y: slins i 2 "in which they fasten. ; yen; In the grooves of the package 1 of the stator core, install: press-fit rods 13, on which the fastening wedges rest 12. The pressed rods 13 can be located on one side only in the wedge zone 12, for the following reasons: OA, it is advisable to provide 1 tracks ; about the entire axial length of the steel package C1 ator, so that;:. The rods 13 were also pressed in along the entire length of the stator axial steel package. In order to increase the mechanical stability of the machine, the fastener wedge | 2 and pre-cast
    rods 1
     P
    ; one with friends i
    0
    five
    0
    welding seams 14.
    FIG. 3 shows a vertical section through the fastening part 3 and a partially horizontal projection of the annular support plate 3 and the stator active steel package 1. The part 5 is located in the lower part of the housing 6 and consists of; i3 a vertically extending fastener: plate 15, which is welded to the place 4 of the carrier plate 3, the welded joint in FIG. 3 not shown. Sections of pipes 16 are fixed on the fixing plate 15, which are welded to the fastening plates of the plate 15 on the one hand and welded to the lower part of the housing 6 on the other hand. To close the pipe segments & on the outside, a closing plate 17 is provided, scree: captive with bolts 18 with fastening gshastinami 15. Above the fixing part 5, the lower part of the body 6 has
    blunt in the form of a base on which the upper part of the housing 7 rests. The connection of the lower 6 and the upper 7 parts of the casing in fig. 3 is shown only schematically.
    FIG. 4 shows a partial symmetrical horizontal section of the electric machine in the area of the fixing part 5. The active steel package 1 stumbles along the radial channels 19 for cooling. The pressing rod 13, on which the fastening wedge 12 rests, extends along the entire axial length of the active steel package of the statorg. The fastening wedge 12 is welded on one side to the nai rod 13 and on the other side is pressed to the bearing ring 3 by means of welded seams 14,
    .-- In addition, the set point of the fixing part 5 is clearly visible in the lower part of the CC of the hinge 6. Perpendicular to the nickname part of the housing 6, hardening is installed along the transverse wall 20, which is some distance from the stator active steel bag 1 or pressed rod in order to prevent the transverse walls 20 from contacting the active stator steel package 1 when the electric machine B is in operation with the radial thermal elongation of the active stator steel package 1 (Fig. 4).
    FIG. 5 shows a vertical section of the fastening part 5 and a partial, horizontal projection of the package 1 of active stator steel according to FIG.
    Three pieces of pipe 16 are located vertically m to the mounting plate 15 (Fig. 5). Depending on the desired Mechanical Stability of the fixing part 5, a smaller or larger number than three pieces of Pipe 16 can be installed on the fixing plate 15. The radial channels for cooling in the package 1 of the stator core are not shown.
    FIG. 6 shows a vertical section of the fastening wedge 12 and a partial horizontal projection of the active stator packet 1 of FIG. 4. For better visibility, the radial channels 19 are also not shown for cooling in the stator active steel packet 1.
    Thus, the radial thermal elongation of the active stack package
    five
    0
    five
    In the working state of the electric machine, the stator in the annular nonsushch plates creates approximately symmetrical tensile stresses and uniformly distributed radial compressive forces in the clamping wedges. The axial thermal lengthening of the active stator package of the stator and the resulting stresses are transmitted only to expansions of the annular support plates and they are equalized by slight deformation of the expansion sites.
    The fastening of the annular support plates in the lower part of the body only in the zones of their horizontal plane of symmetry allows us to carry out a precise preliminary calculation of the stresses arising in the ε-gx structural nodes. The relatively high radial oscillations in the active stator steel package act only in the horizontal axial plane and are greatly reduced due to the elasticity of the housing so that the oscillations in the foundation are significantly reduced. The relatively small tangential vibrations of the sheet metal parts are also reduced due to the housing.
    In addition, it is achieved above the mechanical mechanical connection of the ring with annular plates with the lower part of the housing, since the structural components that are to be welded are easily accessible from the outside and thus guarantee the impeccable quality of the welded joints.
    0
    five
    权利要求:
    Claims (5)
    [1]
    1. An electric machine with r is horizontal: a shaft containing a package of active stator steel, supported at least two parallel to one another and perpendicular to the axis of the machine, carrying plates displaced one relative to the other along the axis, and fixed in the housing by means of fastening wedges placed in its flanks, about t-l and h and shch so that, in order to increase reliability by reducing thermal stresses and vibrations, each carrier plate is placed in the form of a ring, which is external perime py in the horizontal plane of symmetry zone imee T on both sides of a straight ushnreniyu moli5
    0
    five
    51412604
    vertically located edge on us cl
    New, and fastening wedges for fixing the package are also installed in its upper part, while the body is made detachable in the horizontal plane and each carrier plate with its sutured part is connected to the lower part of the body by means of a fixing unit.
    [2]
    2. The machine according to claim 1, characterized in that the fixing unit contains a vertically located mounting plate j connected to the widths of the supporting plates to which horizontal axis tubes attached to the lower part of the body are attached, all joints made mechanically rigid.
    [3]
    3. The machine according to claim 1, of which is E (and with the fact that recesses are made on the inner surface of the bearing plates to accommodate the fastening wedges.
    [4]
    4. The machine according to claim 1, characterized in that recesses are made on the surface of the active steel package along its entire axial length,
    in which the rods are pressed in, and the fastening wedges rest on the said rods.
    [5]
    5. Machine for l, 1, different with that. that inside the case, perpendicular to its surface, reinforcing cross-wall walls are installed.
    FIG. 2
    ag 3
    I i 1718
    agl
    ig.5
    B
    20 1 5 / f2 20; / J
    J-L J.L /
    类似技术:
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    KR100258393B1|2000-06-01|Hosing for regenerative heat exchanger
    同族专利:
    公开号 | 公开日
    BR8502743A|1986-02-12|
    US4663553A|1987-05-05|
    CH665507A5|1988-05-13|
    ES544076A0|1986-07-16|
    JPS614428A|1986-01-10|
    IN165105B|1989-08-19|
    EP0166114B1|1988-09-14|
    DE3565033D1|1988-10-20|
    PL253888A1|1986-04-08|
    KR860000731A|1986-01-30|
    EP0166114A1|1986-01-02|
    AT37255T|1988-09-15|
    KR910007672B1|1991-09-30|
    PL148524B1|1989-10-31|
    JPH053215B2|1993-01-14|
    ES8609839A1|1986-07-16|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE4322268A1|1993-07-05|1995-01-12|Abb Management Ag|Horizontal axis electrical machine|DE532315C|1927-06-20|1931-08-28|Aeg|Stand for electrical machines with very large external dimensions, which can be dismantled to comply with the loading profile prescribed for rail transport|
    FR694776A|1929-05-27|1930-12-08|Westinghouse Electric & Mfg Co|Improvements in the construction of electrical machines|
    US2199351A|1939-08-01|1940-04-30|Gen Electric|Dynamoelectric machine|
    US2424299A|1945-01-13|1947-07-22|Westinghouse Electric Corp|Generator|
    US2554226A|1949-12-30|1951-05-22|Gen Electric|Dynamoelectric machine core mounting|
    GB684929A|1949-12-30|1952-12-24|British Thomson Houston Co Ltd|Improvements in and relating to dynamo-electric machines|
    US2643351A|1952-06-05|1953-06-23|Gen Electric|Dynamoelectric machine|
    US2911552A|1955-10-13|1959-11-03|Vickers Electrical Co Ltd|Dynamo-electric machines|
    US2973442A|1957-09-11|1961-02-28|Gen Electric Co Ltd|Stator core mounting for dynamo electric machine|
    DE1088602B|1959-04-23|1960-09-08|Siemens Ag|Spring-loaded laminated core suspension for alternators|
    CH516248A|1970-05-21|1971-11-30|Bbc Brown Boveri & Cie|Electric machine, in particular turbo generator, and method for their production|
    US3652889A|1971-01-18|1972-03-28|Gen Electric|Laminated dynamoelectric machine core and method of stacking|
    SE404739B|1977-03-18|1978-10-23|Asea Ab|ROTARY ELECTRICAL MACHINE|
    FR2521793B1|1982-02-18|1985-02-22|Alsthom Atlantique|
    US4425523A|1982-06-04|1984-01-10|Westinghouse Electric Corp.|Core spring support system for a dynamoelectric machine|JPH0643489B2|1986-02-14|1994-06-08|呉羽化学工業株式会社|Highly stable method for producing poly |
    US4837471A|1987-10-23|1989-06-06|General Electric Company|Dynamoelectric machine stator using cylindrical keybar with improved dovetail configuration|
    CH676403A5|1988-11-01|1991-01-15|Asea Brown Boveri|
    CH678248A5|1989-07-04|1991-08-15|Asea Brown Boveri|
    US5218252A|1992-02-11|1993-06-08|Sundstrand Corporation|Dynamoelectric machines with stator positioning|
    JPH0728126U|1993-07-07|1995-05-23|三機工業株式会社|Slide shoe sorter|
    US6091177A|1999-03-22|2000-07-18|Siemens Westinghouse Power Corporation|Spring mounting for an electric generator|
    US6840995B2|1999-07-14|2005-01-11|Calcitec, Inc.|Process for producing fast-setting, bioresorbable calcium phosphate cements|
    DE19940630A1|1999-08-27|2001-03-01|Asea Brown Boveri|Horizontal axis electrical machine|
    DE10327508A1|2003-06-17|2005-01-27|Alstom Technology Ltd|Horizontal axis electric machine|
    CH697147A5|2004-10-13|2008-05-15|Alstom Technology Ltd|Fixation devices of an electrical machine.|
    FR2877158B1|2004-10-22|2007-01-19|Leroy Somer Moteurs|ALTERNATOR COMPRISING A DEVICE FOR DAMPING VIBRATIONS BETWEEN THE STATOR OF EXCITATOR AND THE CARTER|
    WO2007058196A1|2005-11-16|2007-05-24|Kabushiki Kaisha Toshiba|Stator core loosening diagnosis device and stator core loosening diagnosis method|
    US8319405B2|2010-08-20|2012-11-27|Siemens Energy, Inc.|Methods and apparatuses for attaching a stator core to a generator frame|
    US8829760B2|2010-10-29|2014-09-09|General Electric Company|Dynamoelectric machine support system|
    US9729017B2|2010-10-29|2017-08-08|General Electric Company|Dynamoelectric machine support system having bolted springbar|
    US9003811B2|2011-11-28|2015-04-14|Pratt & Whitney Canada Corp.|Support for electric machine in a turbine engine|
    US9450466B2|2013-07-02|2016-09-20|General Electric Company|Stator core support system|
    US9263921B2|2013-07-02|2016-02-16|General Electric Company|Stator core compression|
    US9509182B2|2013-11-25|2016-11-29|General Electric Company|Turbo-generator stator core suspension|
    RU2644418C1|2014-02-17|2018-02-12|Сименс Акциенгезелльшафт|Electrical machine with frame|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH2824/84A|CH665507A5|1984-06-12|1984-06-12|HORIZONTAL-AXIS ELECTRICAL MACHINE WITH A DEVICE FOR ATTACHING THE STATOR SHEET PACK.|
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