CN109309422A - A kind of polycyclic magnetic yoke structure of segmentation - Google Patents

A kind of polycyclic magnetic yoke structure of segmentation Download PDF

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Publication number
CN109309422A
CN109309422A CN201811532605.XA CN201811532605A CN109309422A CN 109309422 A CN109309422 A CN 109309422A CN 201811532605 A CN201811532605 A CN 201811532605A CN 109309422 A CN109309422 A CN 109309422A
Authority
CN
China
Prior art keywords
magnet yoke
ventilation hole
yoke ring
polycyclic
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811532605.XA
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Chinese (zh)
Inventor
张凤鸾
王军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Original Assignee
Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd filed Critical Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Priority to CN201811532605.XA priority Critical patent/CN109309422A/en
Publication of CN109309422A publication Critical patent/CN109309422A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/32Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

A kind of polycyclic magnetic yoke structure of segmentation, the polycyclic magnetic yoke structure includes multiple magnet yoke rings, the magnet yoke ring includes: a magnet yoke ring without ventilation hole and several magnet yoke rings with ventilation hole, it is characterized by: opening up several ventilation holes on the magnet yoke ring with ventilation hole, the magnet yoke ring without ventilation hole is set among the magnet yoke ring with ventilation hole, and the magnet yoke ring with ventilation hole is symmetrically placed in the both ends without ventilation hole magnet yoke ring.It is supported between each magnet yoke ring of the polycyclic magnetic yoke structure by several support pins, the support pin is cylindrical structure.Each interannular is also equipped with multiple wind-guiding bands in the present invention.All magnet yoke rings are connected and fixed with stretching screw and nut, it is simple loaded on production in shaft after unified processing inner hole, it is compact-sized, it is easy for installation, wind enters from both ends magnetic yoke ventilation hole, is exported by wind-guiding carrying space, solves the problems, such as the radial ventilation of the high iron core unit of minor diameter, the ventilation running environment of such generating set is improved, there is very strong practicability.

Description

A kind of polycyclic magnetic yoke structure of segmentation
Technical field
The present invention relates to hydrogenerator manufacturing field more particularly to a kind of polycyclic magnetic yoke structures of segmentation.
Background technique
At present in vertical hydrogenerator, the magnetic yoke small and short for diameter mostly uses a ring overall structure, but for The small and high magnetic yoke of diameter just can not meet the air-conditioning requirement of generator with a ring overall structure, it the drawbacks of be not generating Radial ventilation makes generator generate heat to stator core, influences generator normal operation.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of polycyclic magnetic yoke structures of segmentation.
The technical proposal adopted by the invention to solve the above technical problems is that: a kind of polycyclic magnetic yoke structure of segmentation is described more Ring magnetic yoke structure includes multiple magnet yoke rings, and the magnet yoke ring includes: a magnet yoke ring without ventilation hole and several band ventilations The magnet yoke ring in hole, it is characterised in that: open up several ventilation holes on the magnet yoke ring with ventilation hole, and be arranged in a planar ends There is the groove of dress support pin, the magnet yoke ring without ventilation hole is placed among the magnet yoke ring with ventilation hole, the magnetic with ventilation hole Yoke ring is symmetrically placed in the both ends without ventilation hole magnet yoke ring.
Further, it is supported between each magnet yoke ring of the polycyclic magnetic yoke structure by several support pins.
Further, several wind-guiding bands are set between each magnet yoke ring of the polycyclic magnetic yoke structure.
Further, the wind-guiding band is arranged on the axis of the ventilation hole.
Further, the magnet yoke ring is fixedly connected by turnbuckle and nut.
Further, several described ventilation holes are uniformly distributed on same distribution circle.
Further, the support pin is cylindrical structure, and upper surface is boss structure, and lower end surface is platform structure.Into one Step, the wind-guiding band are U-shaped.
The present invention has the advantages that
By being provided without the magnet yoke ring and multiple magnet yoke rings with ventilation hole of ventilation hole in the present invention, without ventilation hole Magnet yoke ring is placed in the centre of magnetic yoke, and the magnet yoke ring with ventilation hole is symmetrically placed in the both ends without ventilation hole magnet yoke ring.Each ring Between supported with multiple support pins, pays attention to that convex surface need to be inserted into the groove of magnet yoke ring when support pin placement.Each interannular is also equipped with multiple wind-guiding bands. All magnet yoke rings are connected and fixed with stretching screw and nut, unified to process after inner hole loaded in shaft.This structure fabrication is simple, knot Structure is compact, easy for installation, and wind enters from both ends magnetic yoke ventilation hole, is exported by wind-guiding carrying space, solves the high iron core machine of minor diameter The radial ventilation problem of group, improves the ventilation running environment of such generating set, has very strong practicability.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of cross-sectional view for being segmented polycyclic magnetic yoke structure of the present invention.
Fig. 2 is the sectional view along A-A of Fig. 1 of the present invention.
Wherein:
1, without the magnet yoke ring of ventilation hole;2, the magnet yoke ring a with ventilation hole;3, the magnet yoke ring b with ventilation hole;4, spiral shell is tensed Bar;5, nut;6, support pin;7, wind-guiding band;8, shaft;9, air inlet;
10, air outlet;
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
The polycyclic magnetic yoke structure of a kind of segmentation as shown in Figs. 1-2, the polycyclic magnetic yoke structure includes multiple magnet yoke rings, described Magnet yoke ring includes: a magnet yoke ring without ventilation hole and several magnet yoke rings with ventilation hole, it is characterised in that: the band logical Several ventilation holes are opened up on the magnet yoke ring of air holes, the magnet yoke ring without ventilation hole is set in the magnet yoke ring with ventilation hole Between, the magnet yoke ring with ventilation hole is symmetrically placed in the both ends without ventilation hole magnet yoke ring.
By being provided without the magnet yoke ring and multiple magnet yoke rings with ventilation hole of ventilation hole in the present invention, without ventilation hole Magnet yoke ring is placed in the centre of magnetic yoke, and the magnet yoke ring with ventilation hole is symmetrically placed in the both ends without ventilation hole magnet yoke ring.Each ring Between supported with multiple support pins, pays attention to that convex surface need to be inserted into the groove of magnet yoke ring when support pin placement.Each interannular is also equipped with multiple wind-guiding bands. All magnet yoke rings are connected and fixed with stretching screw and nut, unified to process after inner hole loaded in shaft.This structure fabrication is simple, knot Structure is compact, easy for installation, and wind enters from both ends magnetic yoke ventilation hole, is exported by wind-guiding carrying space, solves the high iron core machine of minor diameter The radial ventilation problem of group, improves the ventilation running environment of such generating set, has very strong practicability.
Magnet yoke ring with ventilation hole and the nut for passing through turnbuckle and turnbuckle both ends without the magnet yoke ring of ventilation hole Fastened, without ventilation hole magnet yoke ring setting most intermediate, be sequentially distributed the magnet yoke ring with ventilation hole from centre to both ends A, the magnet yoke ring b with ventilation hole.The top for being entirely segmented polycyclic magnetic yoke structure and most bottom is arranged in magnet yoke ring b with ventilation hole The inner hole to lower recess is arranged on the magnet yoke ring b with ventilation hole exposed end face for portion.Each magnet yoke ring of polycyclic magnetic yoke structure it Between supported by several support pins, support pin is cylindrical structure, and upper surface is cylindrical type boss structure, and lower end surface is platform knot Structure.Convex surface need to be inserted into the groove of magnet yoke ring when the boss installation of support pin upper surface, so that support pin cannot be displaced to the positioning of each ring, it is more Several wind-guiding bands are set between each magnet yoke ring of ring magnetic yoke structure, and wind-guiding band is arranged on the axis of the ventilation hole.Band logical Several ventilation holes are set on the magnet yoke ring of air holes, several ventilation holes are uniformly distributed on same distribution circle.Each band logical The position that ventilation hole is opened up on air holes magnet yoke ring is identical, after each magnet yoke ring is fixed together with turnbuckle, band ventilation hole Magnet yoke ring on ventilation hole longitudinal arrangement form air duct, wind from the groove of the magnet yoke ring b with ventilation hole exposed end face into Enter, successively by the ventilation hole on the magnet yoke ring b with ventilation hole and the magnet yoke ring a with ventilation hole, encounters the magnetic without ventilation hole Yoke ring stops, the guidance through wind-guiding band, magnet yoke ring from the gap between the magnet yoke ring with ventilation hole, and with ventilation hole with not Gap outflow between magnet yoke ring with ventilation hole.The size in gap depends on the height of support pin.
Working method:
When work, first support pin is welded on the magnet yoke ring with ventilation hole by Fig. 1 and Fig. 2, pays attention to the convex surface insertion magnetic of support pin The groove of yoke ring.Nut is screwed on into 4 stretching screw one end by Fig. 1 and is packed into 2 magnet yoke rings with ventilation hole, is reloaded into without ventilation The magnet yoke ring in hole, then 2 magnet yoke rings with ventilation hole symmetrically are packed into without the magnet yoke ring of ventilation hole, and tighten nut, it is unified to add It is packed into shaft after work inner hole.
By being provided without the magnet yoke ring and multiple magnet yoke rings with ventilation hole of ventilation hole, put without the magnet yoke ring of ventilation hole It is placed in the centre of magnetic yoke, the magnet yoke ring with ventilation hole is symmetrically placed in the both ends without ventilation hole magnet yoke ring.Each interannular is with multiple Support pin support.Each interannular is also equipped with multiple wind-guiding bands.All magnet yoke rings are connected and fixed with stretching screw and nut, in unified processing Simple loaded on production in shaft behind hole, compact-sized, easy for installation, wind enters from both ends magnetic yoke ventilation hole, by wind-guiding carrying space Export, solves the problems, such as the radial ventilation of the high iron core unit of minor diameter, improves the ventilation running environment of such generating set, has There is very strong practicability.
Magnet yoke ring with ventilation hole and the nut for passing through turnbuckle and turnbuckle both ends without the magnet yoke ring of ventilation hole Fastened, without ventilation hole magnet yoke ring setting most intermediate, be sequentially distributed the magnet yoke ring with ventilation hole from centre to both ends A, the magnet yoke ring b with ventilation hole.The top for being entirely segmented polycyclic magnetic yoke structure and most bottom is arranged in magnet yoke ring b with ventilation hole The groove to lower recess is arranged on the magnet yoke ring b with ventilation hole exposed end face for portion.Each magnet yoke ring of polycyclic magnetic yoke structure it Between supported by several support pins, support pin is cylindrical structure, and upper surface is circular arc type boss structure, and lower end surface is platform knot Structure.Convex surface need to be inserted into the groove of magnet yoke ring when the boss installation of support pin upper surface, so that support pin cannot be displaced to the positioning of each ring.It is more Several wind-guiding bands are also set up between each magnet yoke ring of ring magnetic yoke structure, wind-guiding band is arranged on the axis of the ventilation hole.Band Several ventilation holes are set on the magnet yoke ring of ventilation hole, several ventilation holes are uniformly distributed on same distribution circle.Each band The position that ventilation hole is opened up on ventilation hole magnet yoke ring is identical, after each magnet yoke ring is fixed together with turnbuckle, band ventilation Ventilation hole longitudinal arrangement on the magnet yoke ring in hole forms air duct, groove of the wind from the magnet yoke ring b with ventilation hole exposed end face Into encountering without ventilation hole successively by the ventilation hole on the magnet yoke ring b with ventilation hole and the magnet yoke ring a with ventilation hole Magnet yoke ring stops, the guidance through wind-guiding band, magnet yoke ring from the gap between the magnet yoke ring with ventilation hole, and with ventilation hole with Without the gap outflow between the magnet yoke ring of ventilation hole.The size in gap depends on the height of support pin.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (8)

1. a kind of polycyclic magnetic yoke structure of segmentation, the polycyclic magnetic yoke structure includes multiple magnet yoke rings, and the magnet yoke ring includes: one Without the magnet yoke ring and several magnet yoke rings with ventilation hole of ventilation hole, it is characterised in that: on the magnet yoke ring with ventilation hole Several ventilation holes are opened up, the magnet yoke ring without ventilation hole is set among the magnet yoke ring with ventilation hole, with ventilation hole Magnet yoke ring is symmetrically placed in the both ends without ventilation hole magnet yoke ring.
2. a kind of polycyclic magnetic yoke structure of segmentation as described in claim 1, it is characterised in that: the polycyclic magnetic yoke structure it is each It is supported between magnet yoke ring by several support pins.
3. a kind of polycyclic magnetic yoke structure of segmentation as described in claim 1, it is characterised in that: the polycyclic magnetic yoke structure it is each Several wind-guiding bands are set between magnet yoke ring.
4. a kind of polycyclic magnetic yoke structure of segmentation as claimed in claim 3, it is characterised in that: the wind-guiding band setting is described logical On the axis of air holes.
5. a kind of polycyclic magnetic yoke structure of segmentation as described in claim 1, it is characterised in that: the magnet yoke ring passes through turnbuckle And nut is fixedly connected.
6. a kind of polycyclic magnetic yoke structure of segmentation as described in claim 1, it is characterised in that: several described ventilation holes are same It is uniformly distributed on a distribution circle.
7. a kind of polycyclic magnetic yoke structure of segmentation as claimed in claim 2, it is characterised in that: the support pin is cylindrical structure, And upper surface is boss structure, lower end surface is platform structure.
8. a kind of polycyclic magnetic yoke structure of segmentation as claimed in claim 3, it is characterised in that: the wind-guiding band is U-shaped.
CN201811532605.XA 2018-12-14 2018-12-14 A kind of polycyclic magnetic yoke structure of segmentation Pending CN109309422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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CN109309422A true CN109309422A (en) 2019-02-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109921526A (en) * 2019-04-18 2019-06-21 哈尔滨电机厂有限责任公司 A kind of generator motor annular forging piece magnetic yoke structure

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201054518Y (en) * 2007-05-23 2008-04-30 许建 Motor rotor structure
CN202068250U (en) * 2011-05-30 2011-12-07 金华职业技术学院 Magnet yoke in series connection
CN202817941U (en) * 2012-03-31 2013-03-20 天津市天发重型水电设备制造有限公司 A fixing structure of the rotor magnet yoke of a large bulb tubular turbine generator
CN203674814U (en) * 2013-12-27 2014-06-25 天津市天发重型水电设备制造有限公司 Integral magnetic yoke of small and medium vertical hydro-generator
CN103978344A (en) * 2014-05-08 2014-08-13 哈尔滨电机厂有限责任公司 Technology method for processing magnetic yoke key groove of generator rotor in construction site
CN106160293A (en) * 2016-07-26 2016-11-23 迪百仕电机科技(苏州)有限公司 A kind of asynchronous motor rotor
CN207612136U (en) * 2017-09-11 2018-07-13 哈尔滨电机厂有限责任公司 A kind of hydraulic generator rotor yoke
CN108436394A (en) * 2018-03-21 2018-08-24 哈尔滨电机厂有限责任公司 Large-scale pumped storage power generator-motor machine rotor rigidity yoke method of manufacturing technology
CN207801596U (en) * 2018-01-31 2018-08-31 湖南云箭集团有限公司 A kind of magnetic yoke structure of hydrogenerator
CN209562273U (en) * 2018-12-14 2019-10-29 天津市天发重型水电设备制造有限公司 A kind of polycyclic magnetic yoke structure of segmentation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201054518Y (en) * 2007-05-23 2008-04-30 许建 Motor rotor structure
CN202068250U (en) * 2011-05-30 2011-12-07 金华职业技术学院 Magnet yoke in series connection
CN202817941U (en) * 2012-03-31 2013-03-20 天津市天发重型水电设备制造有限公司 A fixing structure of the rotor magnet yoke of a large bulb tubular turbine generator
CN203674814U (en) * 2013-12-27 2014-06-25 天津市天发重型水电设备制造有限公司 Integral magnetic yoke of small and medium vertical hydro-generator
CN103978344A (en) * 2014-05-08 2014-08-13 哈尔滨电机厂有限责任公司 Technology method for processing magnetic yoke key groove of generator rotor in construction site
CN106160293A (en) * 2016-07-26 2016-11-23 迪百仕电机科技(苏州)有限公司 A kind of asynchronous motor rotor
CN207612136U (en) * 2017-09-11 2018-07-13 哈尔滨电机厂有限责任公司 A kind of hydraulic generator rotor yoke
CN207801596U (en) * 2018-01-31 2018-08-31 湖南云箭集团有限公司 A kind of magnetic yoke structure of hydrogenerator
CN108436394A (en) * 2018-03-21 2018-08-24 哈尔滨电机厂有限责任公司 Large-scale pumped storage power generator-motor machine rotor rigidity yoke method of manufacturing technology
CN209562273U (en) * 2018-12-14 2019-10-29 天津市天发重型水电设备制造有限公司 A kind of polycyclic magnetic yoke structure of segmentation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109921526A (en) * 2019-04-18 2019-06-21 哈尔滨电机厂有限责任公司 A kind of generator motor annular forging piece magnetic yoke structure
CN109921526B (en) * 2019-04-18 2020-11-06 哈尔滨电机厂有限责任公司 Magnetic yoke structure of annular forging of generating motor

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Application publication date: 20190205