CN102593981A - Water wheel generator and rotor bracket detachable type magnetic yoke structure - Google Patents
Water wheel generator and rotor bracket detachable type magnetic yoke structure Download PDFInfo
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- CN102593981A CN102593981A CN2012100248794A CN201210024879A CN102593981A CN 102593981 A CN102593981 A CN 102593981A CN 2012100248794 A CN2012100248794 A CN 2012100248794A CN 201210024879 A CN201210024879 A CN 201210024879A CN 102593981 A CN102593981 A CN 102593981A
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- yoke
- magnetic yoke
- field spider
- rotor field
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Abstract
The invention discloses a water wheel generator and rotor bracket detachable type magnetic yoke structure. The magnetic yoke structure comprises magnetic yoke rings, connecting blocks, magnetic yoke main keys, magnetic yoke secondary keys and magnetic yoke small keys, wherein the magnetic yoke rings are stacked in forward and rearward directions; the connecting blocks are mounted on the magnetic yoke rings; and the magnetic yoke rings are fixed on the rotor bracket by the magnetic yoke main keys, the magnetic yoke secondary keys and the magnetic yoke small keys through the connecting blocks. According to the magnetic yoke structure, the problem that a crane for a power plant cannot lift the whole rotor due to load capacity limitation, can be solved. The rotor bracket is separated from the magnetic yoke, and parts such as the rotor bracket, the magnetic yoke and the like is lifted independently, so that the problem of lifting limitation is solved; and the magnetic yoke structure is simple and is convenient and safe to mount and dismount.
Description
Technical field: the present invention relates to the detachable formula magnetic yoke structure of a kind of hydraulic generator and rotor field spider.
Background technology: rotor is the vitals of hydraulic generator, is made up of rotor field spider, yoke, magnetic pole etc.When unit operation, rotor bears moment of torsion, centrifugal force, electromagnetic force, and its structure is very firm, firm, and rotor should have the desired moment of inertia of Dependability Calculation of Water Turbine Regulation in addition, thereby its weight is very big, is the heavy parts in whole power station.The rotor of structure is after being assembled into integral body in the erection bay at present, hangs in generator machine hole, and the yoke of this structure generator amature and rotor field spider are non-detachable in the machine hole, and the weight of yoke and rotor field spider accounts for the 75%-80% of the weight of whole rotor.When unit carried out large repairs, need whole rotor be hung out the machine hole could overhaul parts such as thrust bearings, and no matter the integral lifting rotor still hangs out magnetic pole earlier, is hanging yoke and rotor field spider, and is all very high to the lifting appliance requirement in power station.Along with the continuous increase of unit capacity, the weight of rotor is also increasing, and power station factory building domestic demand is installed the more lifting appliance of heavy amount, has increased construction cost.Other capacity-increasing transformation unit, the weight of rotor also can increase after the increase-volume, but the lifting capacity of original crane is limited in the factory building, can not lift by crane rotor after the increase-volume, has limited capacity-increasing transformation.Unit is if think capacity-increasing transformation, can not independent transform generator, also need the power station lifting appliance is also transformed, and increased the cost of transforming.Therefore pressing for a kind of new structure solves present structure and brings a lifting difficult problem for big capacity and capacity-increasing transformation unit.
Summary of the invention: the objective of the invention is to disclose a kind of hydraulic generator and detachable formula magnetic yoke structure of rotor field spider that solves a big capacity and a capacity-increasing transformation unit lifting difficult problem, it has simple in structure, installs and separate the characteristics of convenience, safety.Technical scheme of the present invention is: the detachable formula magnetic yoke structure of a kind of hydraulic generator and rotor field spider; Form by yoke ring, contiguous block, yoke major key, yoke auxiliary bond, the little key of yoke; Behind the forward and reverse closed assembly of yoke ring contiguous block is installed on yoke ring, is adopted yoke major key, yoke auxiliary bond, the little key of yoke yoke ring to be fixed on the rotor field spider through contiguous block.When the present invention installs, hanging in the machine hole to lightweight rotor field spider earlier, is benchmark is accomplished yoke ring in the machine hole closed assembly, contiguous block and magnet yoke key installation with it.Regulate radially tightly measuring of yoke and rotor field spider through yoke major key and the little key of yoke, yoke is not separated with rotor field spider when guaranteeing to separate operation below the rotating speed, and is concentric with rotor field spider through yoke in yoke major key and the yoke auxiliary bond assurance unit running process.Carry out the installation of remaining part at last.During maintenance; Yoke is heated to rotor field spider separates, extract yoke major key, yoke auxiliary bond and the little key of yoke, the rotor support is avoided the contiguous block of yoke to the rotor field spider hook; Hang out parts such as magnetic pole, rotor field spider, yoke then successively, unit is overhauled and safeguards.The invention has the beneficial effects as follows just can be that yoke and rotor field spider are separated with the rotor field spider anglec of rotation on yoke ring, lift by crane each parts when installing like this and overhauling separately and get final product the lifting loading capacity that reduces greatly through contiguous block is installed.Because lift by crane a parts separately, hoisting weight reduces, the fail safe of lifting tool has improved.Connecting in addition when the little key of yoke major key, yoke auxiliary bond, the yoke of usefulness is installed only needs knock in iron hammer, just can extract with common joint hinge when separating, and can use repeatedly, very convenient.Structure of the present invention can solve the restriction of power station crane lifting capacity, can not lift by crane the problem of whole rotor.This structure is lifted by crane parts such as rotor field spider, yoke separately through rotor field spider is separated with yoke, has solved the restriction of lifting, and this structural shape is simple, installs and separate convenience, safety.
Description of drawings
Fig. 1 yoke sectional arrangement drawing
Fig. 2 yoke assembling plan view
The A enlarged drawing of Fig. 3 Fig. 2
Fig. 4 yoke and rotor field spider are separated figure
Embodiment
The detachable formula magnetic yoke structure of a kind of hydraulic generator as shown in Figure 1 and rotor field spider; Form by yoke ring 1, contiguous block 2, yoke major key 3, yoke auxiliary bond 4, the little key 5 of yoke; Contiguous block 2 is installed on yoke ring 1 behind the yoke ring 1 forward and reverse closed assembly, is adopted yoke major key 3, yoke auxiliary bond 4, the little key 5 of yoke yoke ring 1 to be fixed on the rotor field spider 6 through contiguous block 2.
The detachable formula magnetic yoke structure of described a kind of hydraulic generator and rotor field spider, yoke ring 1 is through contiguous block 2 and rotor field spider 6 draw bails, and contiguous block 2 is installed in the inner radius of yoke ring 1, and its quantity equates with rotor field spider 6 support arm numbers.
Yoke major key 3, yoke auxiliary bond 4, the little key 5 of yoke are wedge key; Yoke major key 3 is a convex key, and its back and and arranged on left and right sides are wedge surface, and yoke auxiliary bond 4 is one-sided to be wedge surface; Be fixed on the both sides of yoke major key 3 through the frictional force between contact-making surface; Be used for compensating the tolerance between contiguous block 2 keyways and the rotor field spider 6 stud keyways, as shown in Figure 3, the little key of yoke 5 is one-sided to be wedge surface; Be fixed on the back of yoke major key 3 through the frictional force between contact-making surface, be used for regulating the radially amount tightly of yoke and rotor field spider 6.
As shown in Figure 2; During installation; Hang in the machine hole to lightweight rotor field spider 6 earlier; With its to be benchmark accomplish in machine hole closed assembly of yoke ring 1, be installed on the yoke ring 1 to contiguous block 2 then, with yoke major key 3, yoke auxiliary bond 4, the little key 5 of the yoke mode through hot keystroke with yoke ring 1, contiguous block 2 and rotor field spider be linked together, the last installation of parts such as completion magnetic pole in machine is cheated.During maintenance, earlier parts such as magnetic pole are hung out, yoke is heated to rotor field spider separates; Extract yoke major key, yoke auxiliary bond and the little key of yoke; The rotor support is linked up with the contiguous block of avoiding yoke to rotor field spider, and is as shown in Figure 4, hangs out rotor field spider, yoke then successively.The invention has the beneficial effects as follows just can be that yoke and rotor field spider are separated with the rotor field spider anglec of rotation on yoke ring, lift by crane yoke and rotor field spider separately, reduced hoisting weight through contiguous block is installed.
Claims (3)
1. hydraulic generator and the detachable formula magnetic yoke structure of rotor field spider; It is characterized in that: form by yoke ring (1), contiguous block (2), yoke major key (3), yoke auxiliary bond (4), the little key of yoke (5); Go up installation contiguous block (2) at yoke ring (1) behind the forward and reverse closed assembly of yoke ring (1), adopt yoke major key (3), yoke auxiliary bond (4), the little key of yoke (5) yoke ring (1) to be fixed on the rotor field spider (6) through contiguous block (2).
2. the detachable formula magnetic yoke structure of a kind of hydraulic generator according to claim 1 and rotor field spider; It is characterized in that: yoke ring (1) is through contiguous block (2) and rotor field spider (6) draw bail; Contiguous block (2) is installed in the inner radius of yoke ring (1), and its quantity equates with rotor field spider (6) support arm number.
3. the detachable formula magnetic yoke structure of a kind of hydraulic generator according to claim 1 and rotor field spider; It is characterized in that: yoke major key (3), yoke auxiliary bond (4), the little key of yoke (5) are wedge key, and yoke major key (3) is a convex key, and its back and and arranged on left and right sides are wedge surface; Yoke auxiliary bond (4) is one-sided to be wedge surface; Be fixed on the both sides of yoke major key (3) through the frictional force between contact-making surface, be used for compensating the tolerance between contiguous block (2) keyway and rotor field spider (6) the stud keyway, the little key of yoke (5) is one-sided to be wedge surface; Be fixed on the back of yoke major key (3) through the frictional force between contact-making surface, be used for regulating the radially amount tightly of yoke and rotor field spider (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100248794A CN102593981A (en) | 2012-02-06 | 2012-02-06 | Water wheel generator and rotor bracket detachable type magnetic yoke structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100248794A CN102593981A (en) | 2012-02-06 | 2012-02-06 | Water wheel generator and rotor bracket detachable type magnetic yoke structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102593981A true CN102593981A (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100248794A Pending CN102593981A (en) | 2012-02-06 | 2012-02-06 | Water wheel generator and rotor bracket detachable type magnetic yoke structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467229A (en) * | 2014-11-19 | 2015-03-25 | 新疆金风科技股份有限公司 | Rotor module and assembling method thereof |
| CN104901458A (en) * | 2015-06-18 | 2015-09-09 | 哈尔滨电气动力装备有限公司 | Combination key for rotor support and rotor iron core connection |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157632A (en) * | 1986-12-19 | 1988-06-30 | Toshiba Corp | Water-wheel generator rotor |
| CN201075750Y (en) * | 2007-06-14 | 2008-06-18 | 天津市天发重型水电设备制造有限公司 | Connecting device for rotor spider and floating rim of waterwheel generator rotor |
| CN101645635A (en) * | 2009-06-29 | 2010-02-10 | 天津市天发重型水电设备制造有限公司 | Positioning assembly method for rotor magnet yoke vertical rib of vertical unit |
-
2012
- 2012-02-06 CN CN2012100248794A patent/CN102593981A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157632A (en) * | 1986-12-19 | 1988-06-30 | Toshiba Corp | Water-wheel generator rotor |
| CN201075750Y (en) * | 2007-06-14 | 2008-06-18 | 天津市天发重型水电设备制造有限公司 | Connecting device for rotor spider and floating rim of waterwheel generator rotor |
| CN101645635A (en) * | 2009-06-29 | 2010-02-10 | 天津市天发重型水电设备制造有限公司 | Positioning assembly method for rotor magnet yoke vertical rib of vertical unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467229A (en) * | 2014-11-19 | 2015-03-25 | 新疆金风科技股份有限公司 | Rotor module and assembling method thereof |
| CN104467229B (en) * | 2014-11-19 | 2017-02-22 | 新疆金风科技股份有限公司 | Rotor module and assembling method thereof |
| CN104901458A (en) * | 2015-06-18 | 2015-09-09 | 哈尔滨电气动力装备有限公司 | Combination key for rotor support and rotor iron core connection |
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Application publication date: 20120718 |