JP2005080319A - Method and tool for regular-winding of rotary electric machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a regular winding tool for lower cost of a rotary electric machine, smaller size of it due to improved cooling performance of an electric winding, and improved quality of the electric winding. <P>SOLUTION: The regular winding tool delivers an electric wire from a nozzle and winds it regularly by prescribed number of turns on a salient pole type field core where the salient pole part of a rotor is integrally formed. It is provided with a shaft hole side wall tool, an outer peripheral side wall tool, and an electric winding guiding slotted block where the shaft hole side wall tool and the outer peripheral side wall tool are concatenated at four corners of the electric winding, at both ends of each salient pole part. The shaft hole side wall tool, the outer peripheral side wall tool, and the electric winding guiding slotted block are movable when securing with a bolt, etc. is released. So, a regular winding tool can be removed for repeated use. A ventilation path can be provided at the corner of the electric winding, for improved cooling performance. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an aligned winding jig and a winding method for a rotary electric machine such as a synchronous generator, and more particularly to an aligned winding jig and a winding method for performing aligned winding on a salient pole field core having an integral structure. .
[0002]
[Prior art]
As a conventional winding method for a salient-pole field core, for example, as described in Patent Document 1, an electrical winding is connected to a salient-pole field core so that adjacent magnetic poles do not interfere with the electrical winding. A winding method using a winding mechanism provided with a guide mechanism for guiding the guide mechanism to a predetermined position and a moving mechanism for moving the guide mechanism by the coil pitch of the electric winding has been proposed.
[0003]
Further, in order to perform aligned winding on an integral salient pole field core having four or more magnetic poles, as described in Patent Document 2, the first layer is usually aligned inside the corner of the electric winding. Using an insulative winding jig provided with a grooved insulator in which grooves are formed, and wall jigs respectively attached to the shaft hole side and the outer peripheral side of the electric winding corner near the insulator Align winding.
[0004]
[Patent Document 1]
JP-A-10-191601 [Patent Document 2]
Japanese Utility Model Publication No. 7-36561
[Problems to be solved by the invention]
However, in the winding device described in Patent Document 1 provided with a guide mechanism that guides the electric winding to a predetermined position of the salient pole field iron core and moves the coil by the coil pitch, the guide mechanism and the dimensions are further reduced. A second moving mechanism to be adjusted is necessary, and the winding device is complicated.
[0006]
Further, in the aligned winding apparatus as described in Patent Document 2, the wall jigs on the shaft hole side and the outer peripheral side can be removed after the end of winding, but the insulator in which the grooves are engraved cannot be removed. This is necessary for all rotating electrical machines to be manufactured, and the manufacturing cost is excessive. Furthermore, since an insulator with grooves is attached to the electric windings of the rotating electrical machine, heat dissipation at the electric winding corners is hindered, and cooling of the electric equipment is hindered.
[0007]
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and the problems thereof are aligned windings designed to reduce the cost of rotating electrical machines, reduce the size of rotating electrical machines by improving the cooling performance of electrical windings, and improve the quality of electrical windings. It is an object of the present invention to provide a jig and an aligned winding method.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, according to the first aspect of the present invention, an electric wire is fed from a nozzle to a salient pole field core integrally formed with a plurality of adjacent salient pole portions of a rotor, and aligned and wound a predetermined number of times. In the aligned winding jig of the rotating electrical machine, the axial hole side wall jig, the outer peripheral side wall jig, the axial hole side wall jig, and the outer peripheral side wall jig at both ends of each salient pole part Are provided with a grooved block for guiding the electrical winding connected by four corners of the electrical winding, the wall jig on the shaft hole side, the wall jig on the outer peripheral side, and the grooved block for electrical winding guide Has a structure that can be moved by releasing a bolt or the like.
[0009]
According to the first aspect of the present invention, the aligned winding jig can be removed after the winding is completed, and the same aligned winding jig can be mounted on the rotating electrical machine many times. Further, by removing the aligned winding jig, a space is created on the inner diameter side of the corner portion of the electric winding, and a ventilation path can be provided.
[0010]
According to a second aspect of the present invention, in the aligned winding jig of the rotating electric machine according to the first aspect, an iron core deflection preventing jig provided with a further expandable mechanism is connected to both end sides of the outer peripheral wall jig. It was made to be characterized.
[0011]
According to the second aspect of the present invention, the position of the groove block for guiding the electric winding provided in the four corners of the electric winding can be reliably maintained, and the loosening of the electric winding due to the tightening can be eliminated. it can.
[0012]
According to a third aspect of the present invention, there is provided an aligned winding method for a rotating electrical machine in which an electric wire is aligned and wound a predetermined number of times on a salient pole-shaped field core integrally formed with a plurality of adjacent salient pole portions of a rotor. The aligned winding jig according to claim 1 or 2 is detached and wound.
[0013]
According to the third aspect of the present invention, the aligned winding jig can be removed after the winding is completed, and the same aligned winding jig can be attached to the rotating electric machine many times. Further, by removing the aligned winding jig, a space is created on the inner diameter side of the corner portion of the electric winding, and a ventilation path can be provided.
[0014]
According to a fourth aspect of the present invention, in the aligned winding jig of the rotating electric machine according to the first or second aspect, an electric winding introduction recess for starting the aligned winding on the wall jig on the shaft hole side and the electric It is characterized by a structure provided with a winding introduction plate.
[0015]
According to the invention of claim 4, the electric winding can be easily guided to the winding start position. Further, the starting portion of the electric winding is accommodated in the concave portion for introducing the electric winding, and the electric winding with high dimensional accuracy can be easily manufactured without interfering with the electric winding wound thereafter.
[0016]
According to a fifth aspect of the present invention, in the aligned winding jig of the rotating electric machine according to any one of the first, second, and fourth aspects, the winding is formed on the magnetic pole adjacent to the wall jig on the shaft hole side. A magnetic pole crossing jig for hooking the electric winding when moving is provided.
According to the fifth aspect of the present invention, after the winding for one pole is completed, the electric winding can be hooked on the inter-magnetic pole jig and the next winding can be performed continuously.
[0017]
According to a sixth aspect of the present invention, in the aligned winding method for a rotating electric machine according to the third aspect, after the winding for one pole is completed, the electric winding is introduced to the electric winding via the inter-magnetic pole jig. It moves to a recessed part and is continuously wound around the adjacent magnetic poles.
According to the sixth aspect of the present invention, the electric winding can be continuously moved to the winding start position of the next magnetic pole without cutting the electric winding.
[0018]
According to a seventh aspect of the present invention, in the aligned winding jig of the rotating electric machine according to any one of the first, second, fourth, or fifth aspect, the electric winding guide grooved block is R. Only the portion has a groove structure, and the other surface on which the electric winding contacts is a planar structure.
[0019]
According to the seventh aspect of the present invention, since the two surfaces of the electric winding guide grooved block that are in contact with the electric winding are smooth, the electric winding can be performed only by moving the R portion having the groove structure in one direction. The overlapping with the wire is eliminated, and the grooved block for guiding the electric winding can be removed.
[0020]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a side view of an aligned winding jig according to a first embodiment (corresponding to claim 1) of the present invention, and FIG. 2 is a plan view thereof.
[0021]
As shown in the figure, the aligned winding jig of the present embodiment includes a salient pole field core 2 on an aligned winding machine base 1 and a wall jig 3a on the upper shaft hole side and a wall on the lower shaft hole side. It is attached so as to be sandwiched by the jig 3b, and a bolt 1a integrated with the aligned winding machine base 1 is tightened by a tightening ring 4. A groove jig block 5 and an outer wall jig 6 are connected to the wall jig 3a on the upper shaft hole side and the wall jig 3b on the lower shaft hole side, respectively. The magnetic core 2 is attached with bolts or the like in a state where a gap is provided. Furthermore, the wall jig 6 on the outer peripheral side is attached to the electric winding holding plate 7 of the salient pole field core 2 with bolts or the like. The electric winding holding plate 7 of the salient pole field core 2 is not shown in FIG.
[0022]
Next, the operation of this embodiment will be described with reference to the front view of the salient pole part of the salient pole field core shown in FIG. 3 and FIG.
By removing the bolt 9 that fixes the groove jig block 5 after the winding of the electric winding 8 is completed, the groove jig block 5 can approach the electric winding holding plate 7 and the salient pole field iron core 2. By approaching in this way, the groove portion of the groove jig block 5 does not overlap the electric winding 8, and the grooved block 5 can be removed to the outer peripheral side of the salient pole field core 2. The wall jig 6 on the outer peripheral side, the wall jig 3 a on the upper shaft hole side, and the wall jig 3 b on the lower shaft hole side can be easily removed by removing the bolts and the tightening ring 4.
[0023]
According to this embodiment, since the aligned winding jig can be removed after the winding is completed, the same aligned winding jig can be used repeatedly, and an economically efficient aligned winding jig is provided. be able to. In addition, since a space is formed on the inner diameter side of the corner portion of the electric winding, thereby providing a ventilation path, it is possible to provide an aligned winding jig for providing a rotating electrical machine having excellent cooling performance.
[0024]
FIG. 4 is a side view of an aligned winding jig according to a second embodiment (corresponding to claim 2) of the present invention. The same parts as those in FIGS. .
As shown in the figure, the aligned winding jig of the present embodiment is provided with an iron core deflection preventing jig 10 and an expansion / contraction adjustment stud 11 between the upper and lower outer wall jigs 6. In the expansion / contraction adjustment stud 11, the lower screw is opposite to the upper screw direction.
[0025]
Next, the operation of this embodiment will be described.
In the expansion / contraction adjustment stud 11, the lower screw is in the opposite direction to the upper screw direction. Therefore, by rotating the expansion / contraction adjustment stud 11, the iron core deflection prevention jig 10 moves up and down. By the vertical movement, the wall jig 6 on the outer peripheral side can be supported moderately, and bending of the electric winding due to tightening of the electric winding can be prevented.
[0026]
According to the present embodiment, since the deflection of the electrical winding due to the tightening of the electrical winding can be prevented, an aligned winding jig for providing a stable rotating electric machine with a good dimensional accuracy and quality is provided. be able to.
[0027]
The aligned winding method according to the third embodiment (corresponding to claim 3) of the present invention will be described with reference to the perspective views of the salient pole portions of the salient pole field core after the winding in FIGS. 1 to 4 and FIG. I will explain.
As shown in FIGS. 1, 2 and 4, the aligned winding jigs 1, 3a, 3b, 5 and 6 are attached before winding. Next, winding work is performed by an unillustrated aligned winding machine, and the aligned winding jigs 1, 3a, 3b, 5, 6 attached before winding are removed after the winding is completed. When the aligned winding jig is removed, a space is formed on the inner diameter side of the four corners of the electric winding 8 as shown in FIG. 5, and a ventilation path can be provided.
[0028]
According to this embodiment, since the aligned winding jig can be removed after the end of winding, the same aligned winding jig can be used repeatedly, and an aligned winding method excellent in economy is provided. Can do. Further, since a space is formed on the inner diameter side of the corner portion of the electric winding, and a ventilation path can be provided thereby, an aligned winding method for providing a rotating electrical machine having excellent cooling performance can be provided.
[0029]
FIG. 6A is a plan view of the wall jig 3a on the upper shaft hole side according to the fourth embodiment of the present invention (corresponding to claim 4), and FIG. 6B is a side view of FIG.
As shown in the figure, in the present embodiment, the wall shaft 3a on the upper shaft hole side is provided with a recess 12 for introducing an electrical winding and a mounting hole 13 for a groove jig block 5, and for introducing an electrical winding. A plate 14 is attached to the recess 12.
[0030]
Next, the operation of this embodiment will be described.
The electric winding enters the electric winding introducing recess 12 and is caught by the plate 14 and then moves to the winding start position. As a result, the electric winding can be easily guided to the winding start position, and since the starting portion of the electric winding is housed in the concave portion 12 for introducing the electric winding, There is no interference.
[0031]
According to the present embodiment, it is possible to provide an aligned winding jig that can easily guide an electric winding to a winding start position, and to manufacture an aligned winding jig that manufactures an electric winding with high dimensional accuracy. Tools can be provided.
[0032]
FIG. 7 is a side view of an aligned winding jig according to a fifth embodiment (corresponding to claim 5) of the present invention. The same parts as those of the embodiment already described are denoted by the same reference numerals, and the description thereof is omitted.
As shown in the figure, in the present embodiment, a magnetic pole crossing jig 15 is attached to the wall jig 3a on the upper shaft hole side. This inter-magnetic pole jig 15 is attached to each magnetic pole. On the other hand, after the electric winding is hooked on the magnetic pole crossing jig 15, it goes to the concave portion 12 for introducing the electric winding shown in FIG. can do.
[0033]
FIG. 8 is a plan view for explaining the aligned winding method according to the sixth embodiment (corresponding to claim 6) of the present invention. Omitted.
[0034]
According to this embodiment, it is shown that the aligned winding can be wound continuously. In other words, after the winding of the electric winding 8 for one pole is completed, the electric winding 8 hooked on the inter-electrode crossing jig 15 enters the electric winding introducing recess 12 and is caught by the electric winding introducing plate 14. Since it can move to the winding start position, the aligned winding can be repeated continuously.
Therefore, it is possible to provide an aligned winding method capable of continuous winding without cutting the electric winding.
[0035]
FIG. 9 is a perspective view of a grooved block according to a seventh embodiment (corresponding to claim 7) of the present invention.
As shown in the figure, in the present embodiment, the grooved block 5 has only the R portion as a groove structure, and the surface sandwiching the R portion has a planar structure.
[0036]
According to this embodiment, since the two surfaces in contact with the electric winding are smooth, the electric winding and the groove are not overlapped by moving in one direction, up and down or left and right. Therefore, it is possible to provide an aligned winding jig that can be easily removed even when the removal space for the grooved block 5 is narrow.
[0037]
【The invention's effect】
As described above, according to the present invention, it is possible to provide an aligned winding jig and an aligned winding method capable of manufacturing an electric winding excellent in cost reduction, improved cooling performance, and dimensional accuracy of a rotating electrical machine. .
[Brief description of the drawings]
FIG. 1 is a side view of an aligned winding jig according to a first embodiment of the present invention.
FIG. 2 is a plan view of FIG.
FIG. 3 is a front view of a salient pole portion of the salient pole type field iron core of FIG. 1;
FIG. 4 is a side view of an aligned winding jig according to a second embodiment of the present invention.
FIG. 5 is a perspective view of a salient pole portion of a salient pole field iron core after winding of the present invention.
6A is a plan view of a wall jig on the upper shaft hole side according to a fourth embodiment of the present invention, and FIG. 6B is a side view thereof.
FIG. 7 is a side view of an aligned winding jig according to a fifth embodiment of the present invention.
FIG. 8 is a plan view for explaining an aligned winding method according to a sixth embodiment of the present invention.
FIG. 9 is a perspective view of a grooved block according to a seventh embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Alignment winding machine stand, 1a ... Bolt, 2 ... Salient pole field iron core, 3a ... Wall jig on the upper shaft hole side, 3b ... Wall jig on the lower shaft hole side, 4 ... Tightening ring, 5 ... Groove jig block, 6 ... Wall jig on the outer peripheral side, 7 ... Electric winding holding plate, 8 ... Electric winding, 9 ... Bolt, 10 ... Iron core deflection prevention jig, 11 ... Expansion adjustment stud, 12 ... Electricity Winding introduction recess, 13... Mounting hole for groove jig block, 14... Electric winding introduction plate, 15.

Claims (7)

In an aligned winding jig of a rotating electrical machine for feeding an electric wire from a nozzle to a salient pole-shaped field iron core in which a plurality of adjacent salient poles of a rotor are integrally formed, and winding them in a predetermined number of times, each salient pole part An electric winding in which the shaft hole side wall jig, the outer peripheral side wall jig, and the shaft hole side wall jig and the outer peripheral side wall jig are connected to each other at four corners of the electric winding. The guide grooved block is arranged so that the wall jig on the shaft hole side, the wall jig on the outer peripheral side, and the grooved block for electric winding guide can be moved by releasing a bolt or the like. An aligned winding jig for rotating electrical machines. 2. An aligned winding jig for a rotating electrical machine according to claim 1, further comprising an iron core deflection preventing jig that can further expand and contract at both ends of the outer circumferential wall jig. 3. An aligned winding method for a rotating electrical machine in which an electric wire is aligned and wound a predetermined number of times on a salient pole-shaped field core integrally formed with a plurality of adjacent salient pole portions of a rotor. An aligned winding method for a rotating electrical machine, wherein the aligned winding jig is removed and wound. 3. The rotating electrical machine according to claim 1, wherein the wall jig on the shaft hole side is provided with a recess for introducing an electrical winding for starting aligned winding and an electrical winding introducing plate. 4. Aligned winding jig. The magnetic pole crossing jig for hooking the electric winding when the winding moves to the magnetic pole adjacent to the wall jig on the shaft hole side is provided. The aligned winding jig of the rotating electrical machine according to any one of 4. The electric winding moves to the concave portion for introducing the electric winding via the inter-magnetic pole jig after the end of the winding for one pole, and continuously winds on the adjacent magnetic pole. Alignment winding method for rotating electrical machines. 5. The electrical winding guide grooved block has a groove structure only in the R portion, and a plane in contact with other electrical windings is a planar structure. 6. An aligned winding jig for a rotating electrical machine according to any one of 5 above.

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