CN102780296B - Method for placing under-wedge pad strip on rotor coil of large motor - Google Patents
Method for placing under-wedge pad strip on rotor coil of large motor Download PDFInfo
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- CN102780296B CN102780296B CN 201110120877 CN201110120877A CN102780296B CN 102780296 B CN102780296 B CN 102780296B CN 201110120877 CN201110120877 CN 201110120877 CN 201110120877 A CN201110120877 A CN 201110120877A CN 102780296 B CN102780296 B CN 102780296B
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- wedge
- filler strip
- under
- rotor coil
- copper slot
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Abstract
The invention discloses a method for placing an under-wedge pad strip on a rotor coil of a large motor. The under-wedge pad strip consists of three sections with the same length. The method comprises the following steps of preliminarily installing a copper slot wedge, determining the thickness of the under-wedge pad strip, processing the thickness and size of the middle section of the under-wedge pad strip, formally installing the copper slot wedge, and placing under-wedge pad strips on both sides. The method for placing the under-wedge pad strip on the rotor coil of the large motor disclosed by the invention has the advantages of convenience in operation, and simplicity and easiness in implementation, and the resistance for placing the under-wedge pad strip can be reduced.
Description
Technical field
The present invention relates to a kind of production method of motor, be specifically related to a kind of method of putting filler strip under wedge of joining on the rotor coil of large-size machine.
Background technology
In the production process of motor, special in setting the process of rotor coil, usually need first to put the bottom land filler strip in online ring recess, after rotor coil embeds the coil groove, online ring recess mouth is placed the copper slot wedge again, so that the coil groove is sealed, also need between the top of rotor coil circle and copper slot wedge, join and put filler strip under wedge, rotor coil is fixed in the coil groove and does not become flexible.
Generally in prior art adopt filler strip under rotor copper slot wedge and wedge to be segmental structure, like this under wedge filler strip join put all more convenient.And the length of the rotor core of this large-size machine is 1300mm, its rotor copper slot wedge should fastening coil, conduction again, so must adopt whole copper slot wedge, under wedge, filler strip forms by three sections.General processing and filler strip under three wedges is joined while putting, first be successively placed on filler strip under three wedges on the end face of rotor coil, then the copper slot wedge is driven in the coil groove.The shortcoming of this method is that copper slot wedge resistance in the process of driving in is very large, is difficult for striking tightly, thereby wastes time and energy, and makes the production work efficiency of motor slow.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the present invention aims to provide and join the method for putting filler strip under wedge on rotor coil, easy to operate, simple, can reduce filler strip under wedge at the resistance of joining while putting.
The technical scheme that realizes above-mentioned purpose is: a kind of method of putting filler strip under wedge of joining on the rotor coil of large-size machine, under described wedge, three section identical by length of filler strip form.Said method comprising the steps of:
The step of copper slot wedge tentatively is installed, first the copper slot wedge is shifted onto to the centre of coil groove, make the front end face of copper slot wedge be positioned at the length center of rotor core, then with carrying bolt by dove tail cushion block by rotor coil only tightly, stop tight position and should be close to the copper slot wedge;
Determine the step of filler strip thickness under wedge, stop under tight state at rotor coil, the end face that arrives rotor coil with the lower surface of vernier depth gauge measurement copper slot wedge stops the size between tight point, then deducts the thickness of copper slot wedge, obtains the nominal thickness size of filler strip under wedge;
The step of the gauge of filler strip under processing interlude wedge, the nominal thickness size that under the interlude wedge, the gauge of filler strip is filler strip under wedge adds 0.1mm again;
The formal step that the copper slot wedge is installed, first filler strip under the interlude wedge processed is placed on to the centre position of coil groove, half section, one side of filler strip under the interlude wedge is inserted between rotor coil end face and copper slot wedge, then under the interlude wedge, on the rotor coil end face in half section the place ahead of another side of filler strip, pad a layer thickness than the bakelite filler strip of the little 2mm of thickness of filler strip under separation beam, with carrying bolt, by dove tail cushion block, the bakelite filler strip is stopped tightly on rotor coil again, then knock the copper slot wedge to reach in the rear end of copper slot wedge, when the copper slot wedge is encountered dove tail cushion block, dove tail cushion block is moved forward together with carrying bolt, until the front end face of the front end face of copper slot wedge and rotor core maintains an equal level,
Join the step of putting filler strip under the wedge of both sides, the gauge that the gauge that first makes filler strip under two limit wedges is filler strip under separation beam adds 0.05～0.1mm again, strike filler strip under the wedge of both sides with the nylon hammer and enter the coil groove, if filler strip under the wedge of both sides can be driven in to 1/3rd, can firmly drive in, otherwise also repair again, until under the wedge of both sides, filler strip is encountered filler strip under separation beam.
The above-mentioned method of putting filler strip under wedge of joining on the rotor coil of large-size machine, wherein, in the step of described preliminary installation copper slot wedge, the moment of torsion of being wrenched while stopping tight rotor coil is 70Nm, and also needs to pad one deck bakelite filler strip in the only tight some position of the end face of rotor coil.
The above-mentioned method of putting filler strip under wedge of joining on the rotor coil of large-size machine, wherein, described joining in the step of putting filler strip under the wedge of both sides, under described two limit wedges filler strip drive in chamfer, and when under two limit wedges, filler strip finally knocks, available spreading filler strip strikes.
The technical scheme of putting the method for filler strip under wedge of joining on rotor coil of the present invention, adopt and first the copper slot wedge is shifted onto to the centre of coil groove, again the interlude wedge in three sections bakelite filler strips is placed in the coil groove, half section, one side of filler strip under the interlude wedge is inserted between rotor coil end face and copper slot wedge, again the copper slot wedge is in place, and then filler strip under the wedge of both sides.Method of the present invention can reduce filler strip under wedge and join the resistance while putting, and easy to operate, simple.
The accompanying drawing explanation
Fig. 1 is performing step side view of the state for the moment in method of the present invention;
Fig. 2 is in the execution step state diagram of 4 o'clock in method of the present invention.
Embodiment
In order to be understood technical scheme of the present invention better, below by specific embodiment, also be described in detail by reference to the accompanying drawings.
The method of putting filler strip under wedge of joining on the rotor coil of large-size machine of the present invention, under wedge, three section identical by length of filler strip form, and method of the present invention comprises the following steps:
The preliminary step (seeing Fig. 1) that the copper slot wedge is installed, first the copper slot wedge is shifted onto to the centre of coil groove, make the front end face of copper slot wedge be positioned at the length center of rotor core, then with carrying bolt 1 by dove tail cushion block 2 by rotor coil 3 only tightly, stop tight position and should be close to the copper slot wedge; The moment of torsion of being wrenched while stopping tight rotor coil 3 is 70Nm, and also needs to pad one deck bakelite filler strip 4 in the only tight some position of the end face of rotor coil 3, prevents the end face damage of rotor coil 3;
Determine the step of filler strip thickness under wedge, stop under tight state at rotor coil, the end face that arrives rotor coil with the lower surface of vernier depth gauge measurement copper slot wedge stops the size between tight point, then deducts the thickness of copper slot wedge, obtains the nominal thickness size of filler strip under wedge;
The gauge of filler strip under processing interlude wedge, the nominal thickness size that the gauge that makes filler strip under interlude wedge wherein is filler strip under wedge adds the fastening amount of 0.1mm again; First with cutter, cut the thickness of filler strip under the interlude wedge, while approaching gauge, upper special purpose grinder is ground to given size;
The formal step (seeing Fig. 2) that the copper slot wedge is installed, filler strip 5 under the interlude wedge processed is placed on to the centre position of coil groove, half section, one side of filler strip 5 under the interlude wedge is inserted between rotor coil 3 end faces and copper slot wedge 6, then under the interlude wedge, on rotor coil 3 end faces in half section the place ahead of another side of filler strip 5, pad a layer thickness than the bakelite filler strip 7 of the little 2mm of thickness of filler strip under separation beam, while preventing from knocking copper slot wedge 6, filler strip 5 displacements under the interlude wedge, with carrying bolt 1, by dove tail cushion block 2, bakelite filler strip 7 is stopped tightly on rotor coil 3 again, then knock forward copper slot wedge 6 in the rear end of copper slot wedge 6, when copper slot wedge 6 is encountered dove tail cushion block 2, to outside dove tail cushion block 2, move, until the front end face of the front end face of copper slot wedge 6 and rotor core 8 maintains an equal level,
Join the step of putting filler strip under the wedge of both sides, filler strip under the wedge of both sides is joined in examination, the gauge that the gauge that first makes filler strip under two limit wedges is filler strip under separation beam adds 0.05～0.1mm again, under the wedge of limit, driving in of filler strip held necessary chamfering, is convenient to drive in, and strikes filler strip under the wedge of both sides with the nylon hammer and enters the coil groove, if filler strip under the wedge of both sides can be driven in to 1/3rd, can firmly drive in, otherwise also repair again, until under the wedge of both sides, filler strip is encountered filler strip under separation beam; When under two limit wedges, filler strip finally knocks, available spreading filler strip strikes.
The method of putting filler strip under wedge of joining on the rotor coil of large-size machine of the present invention is easy to operate, simple, and can reduce filler strip under wedge and join the resistance while putting.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the present invention is described, and not be used as limitation of the invention, as long as in connotation scope of the present invention, to variation, the modification of the above embodiment, all will drop in claims scope of the present invention.
Claims (3)
1. join the method for putting filler strip under wedge for one kind on the rotor coil of large-size machine, under described wedge, three section identical by length of filler strip form, and it is characterized in that, said method comprising the steps of:
The step of copper slot wedge tentatively is installed, first the copper slot wedge is shifted onto to the centre of coil groove, make the front end face of copper slot wedge be positioned at the length center of rotor core, then with carrying bolt by dove tail cushion block by rotor coil only tightly, stop tight position and should be close to the copper slot wedge;
Determine the step of filler strip thickness under wedge, stop under tight state at rotor coil, the end face that arrives rotor coil with the lower surface of vernier depth gauge measurement copper slot wedge stops the size between tight point, then deducts the thickness of copper slot wedge, obtains the nominal thickness size of filler strip under wedge;
The step of the gauge of filler strip under processing interlude wedge, the nominal thickness size that under the interlude wedge, the gauge of filler strip is filler strip under wedge adds 0.1mm again;
The formal step that the copper slot wedge is installed, first filler strip under the interlude wedge processed is placed on to the centre position of coil groove, half section, one side of filler strip under the interlude wedge is inserted between rotor coil end face and copper slot wedge, then under the interlude wedge, on the rotor coil end face in half section the place ahead of another side of filler strip, pad a layer thickness than the bakelite filler strip of the little 2mm of thickness of filler strip under separation beam, with carrying bolt, by dove tail cushion block, the bakelite filler strip is stopped tightly on rotor coil again, then knock the copper slot wedge to reach in the rear end of copper slot wedge, when the copper slot wedge is encountered dove tail cushion block, dove tail cushion block is moved forward together with carrying bolt, until the front end face of the front end face of copper slot wedge and rotor core maintains an equal level,
Join the step of putting filler strip under the wedge of both sides, the gauge that the gauge that first makes filler strip under two limit wedges is filler strip under separation beam adds 0.05～0.1mm again, strike filler strip under the wedge of both sides with the nylon hammer and enter the coil groove, if filler strip under the wedge of both sides can be driven in to 1/3rd, can firmly drive in, otherwise also repair again, until under the wedge of both sides, filler strip is encountered filler strip under separation beam.
2. the method for putting filler strip under wedge of joining on the rotor coil of large-size machine according to claim 1, it is characterized in that, in the step of described preliminary installation copper slot wedge, the moment of torsion of being wrenched while stopping tight rotor coil is 70Nm, and also needs to pad one deck bakelite filler strip in the only tight some position of the end face of rotor coil.
3. the method for putting filler strip under wedge of joining on the rotor coil of large-size machine according to claim 1, it is characterized in that, described joining in the step of putting filler strip under the wedge of both sides, under described two limit wedges, filler strip drives in chamfer, and, when under two limit wedges, filler strip finally knocks, available spreading filler strip strikes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110120877 CN102780296B (en) | 2011-05-11 | 2011-05-11 | Method for placing under-wedge pad strip on rotor coil of large motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110120877 CN102780296B (en) | 2011-05-11 | 2011-05-11 | Method for placing under-wedge pad strip on rotor coil of large motor |
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| Publication Number | Publication Date |
|---|---|
| CN102780296A CN102780296A (en) | 2012-11-14 |
| CN102780296B true CN102780296B (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110120877 Active CN102780296B (en) | 2011-05-11 | 2011-05-11 | Method for placing under-wedge pad strip on rotor coil of large motor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058490A (en) * | 1990-07-26 | 1992-02-05 | 通用电气公司 | Between rotor cover current load parts, provide the device that fully electrically contacts during for turbo generator low speed |
| JPH0746807A (en) * | 1993-05-21 | 1995-02-14 | Toshiba Corp | Rotor of rotating electric machine |
| CN2686194Y (en) * | 2004-01-14 | 2005-03-16 | 东方电机股份有限公司 | Power generator stator winding in-slot bar fixing apparatus |
| JP2006296064A (en) * | 2005-04-08 | 2006-10-26 | Mitsubishi Electric Corp | Rotor of rotary electric machine |
| CN201113743Y (en) * | 2007-07-09 | 2008-09-10 | 范安成 | Permanent-magnet brushless DC motor |
-
2011
- 2011-05-11 CN CN 201110120877 patent/CN102780296B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058490A (en) * | 1990-07-26 | 1992-02-05 | 通用电气公司 | Between rotor cover current load parts, provide the device that fully electrically contacts during for turbo generator low speed |
| JPH0746807A (en) * | 1993-05-21 | 1995-02-14 | Toshiba Corp | Rotor of rotating electric machine |
| CN2686194Y (en) * | 2004-01-14 | 2005-03-16 | 东方电机股份有限公司 | Power generator stator winding in-slot bar fixing apparatus |
| JP2006296064A (en) * | 2005-04-08 | 2006-10-26 | Mitsubishi Electric Corp | Rotor of rotary electric machine |
| CN201113743Y (en) * | 2007-07-09 | 2008-09-10 | 范安成 | Permanent-magnet brushless DC motor |
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| Publication number | Publication date |
|---|---|
| CN102780296A (en) | 2012-11-14 |
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