CN212258726U - Bulging tool for small-span copper flat wire coil - Google Patents
Bulging tool for small-span copper flat wire coil Download PDFInfo
- Publication number
- CN212258726U CN212258726U CN202020864970.7U CN202020864970U CN212258726U CN 212258726 U CN212258726 U CN 212258726U CN 202020864970 U CN202020864970 U CN 202020864970U CN 212258726 U CN212258726 U CN 212258726U
- Authority
- CN
- China
- Prior art keywords
- coil
- clamping
- plate
- upper layer
- lower floor
- 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.)
- Active
Links
Images
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses an expanding tool for a small-span copper flat wire coil, which solves the problem that the coil is prone when an electromagnetic wire with a cross section similar to a square is expanded. Designing an expansion tool manually operated by a single person on site, ensuring that the two straight edges (the upper edge and the lower edge) of the coil do not bend over in the process of expanding a pair of parallel shuttle coils into a formed coil through the structure of the tool, and finishing the angle forming of the upper edge and the lower edge through the angle forming supporting block of the upper edge after the expansion is in place; the invention ensures that the expansion of the parallel shuttle-shaped coils is high-quality molding of the formed coils through the structure of the tool, and simultaneously, greatly improves the consistency of the molding of the coils.
Description
Technical Field
The invention relates to an expanding tool for a copper flat wire, in particular to an expanding tool and an expanding method for a group of coils of a small-span copper flat wire.
Background
The stator coil of the flywheel energy storage motor is formed by lapping and sintering a copper flat wire by adopting a single polyimide fluoride 46 composite film, wherein the wire gauge is 2.7 multiplied by 2.8, namely, the cross section of the copper flat wire is 2.7 multiplied by 2.8, and the cross section of the electromagnetic wire is approximate to a square shape; the coil inserting grooves of the stator winding of the flywheel energy storage motor are semi-closed grooves, two parallel coils are required to be inserted one by one, the consistency of a pair of coils connected in parallel is required to be high, the size of the end part of the formed coil is 100 mm, the span is 132.6 mm, and the nose is 60 mm, so that the winding design of the stator coil requires that two copper flat wires are wound in parallel, the number of turns of the coil is 4, a pair of shuttle-shaped coils are formed by winding each time, and the formed coil after the shuttle-shaped coils are expanded can meet the requirement that the gap between the coil and the groove insulation is only 0.2 mm; because the cross section of the copper flat wire for winding the coil is approximately square, when the coil is wound and expanded, the phenomenon of twisting and overturning of the conducting wire is easy to occur, the coil is turned over and lies prone, the twisting size of the linear edge of the coil is ultra-poor, and the requirement of the electrical performance of a motor cannot be met.
Disclosure of Invention
The invention provides an expansion tool and an expansion method for a small-span copper flat wire coil, which solve the technical problem that the coil is prone to being turned over when an electromagnetic wire with a cross section similar to a square is expanded.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: designing an expansion tool manually operated by a single person on site, ensuring that the two straight edges (the upper edge and the lower edge) of the coil do not bend over in the process of expanding a pair of parallel shuttle coils into a formed coil through the structure of the tool, and finishing the angle forming of the upper edge and the lower edge through the angle forming supporting block of the upper edge after the expansion is in place; the invention ensures that the expansion of the parallel shuttle-shaped coils is high-quality molding of the formed coils through the structure of the tool, and simultaneously, greatly improves the consistency of the molding of the coils.
A small-span copper flat wire coil bulging tool comprises a tool fixing bottom plate, wherein a support is fixedly arranged on the tool fixing bottom plate, a pair of inclined slide rails is arranged at the top of the support, bulging in-place limiting blocks are arranged at the top ends of the pair of inclined slide rails, a pair of coil lower layer edge clamping stand columns are fixedly arranged on the tool fixing bottom plate on the right side of the support, a coil lower layer edge positioning and clamping plate is connected to the left side face of the upper end of each coil lower layer edge clamping stand column, a coil lower layer edge embedding groove is arranged on the right side face of the coil lower layer edge positioning and clamping plate, a coil lower layer edge is embedded into the coil lower layer edge embedding groove, and a coil lower layer edge clamping bolt is arranged between the coil lower layer edge positioning and clamping plate and the coil lower layer edge clamping; the upper layer of the coil is movably arranged on the inclined slide rails and is positioned and clamped with the left plate, the right side surface of the upper layer of the coil is provided with a coil upper layer embedding groove, the coil upper layer of the coil upper layer is embedded into the coil upper layer embedding groove, the right side surface of the upper layer of the coil upper layer is connected with a coil upper layer of the coil upper layer positioned and clamped with the right plate, an upper layer clamping bolt is arranged between the coil upper layer of the coil upper layer positioned and clamped with the right plate, and the left side surface of the coil upper layer positioned and clamped with the left plate is connected with the expanding handle plate.
An angle forming cushion block at the upper layer edge of the coil is movably arranged on a tool fixing bottom plate between a pair of coil lower layer edge clamping stand columns, an angle forming inclined positioning surface is arranged at the top end of the angle forming cushion block at the upper layer edge of the coil, a right clamping plate at the upper layer edge of the coil is movably abutted on the angle forming inclined positioning surface, a coil lower layer edge clamping step is arranged on the right side surface of the angle forming cushion block at the upper layer edge of the coil, and an included angle between the angle forming inclined positioning surface and the right side surface of the angle forming cushion block at the upper layer edge of the coil is 75 degrees; the structure of the nose-twisting clamp plate on one side is identical to the structure of the nose-twisting clamp plate on the other side.
One side is turned round nose splint and is become by front plate and back splint, is provided with outside clamp bolt and inboard clamp bolt between front plate and back splint and constitutes, and one side is turned round the nose and is set up between outside clamp bolt and inboard clamp bolt, is provided with front plate location handle on the front plate, is provided with back splint location handle on the back splint.
A bulging method of a bulging tool of a small-span copper flat wire coil comprises the following steps:
embedding the lower coil layer edges of two parallel coils wound by a shuttle into a lower coil layer edge embedding groove arranged on the right side surface of the lower coil layer edge positioning and clamping plate, and fixedly connecting the lower coil layer edge positioning and clamping plate and the lower coil layer edge clamping upright column together through a lower coil layer edge clamping bolt; embedding the upper edges of the coils of the two parallel coils wound by the shuttle into the upper edges of the coils arranged on the right side surfaces of the upper edge positioning and clamping left plates of the two coils, and fixedly connecting the upper edge clamping right plates of the coils with the upper edge positioning and clamping left plates of the coils through upper edge clamping bolts; the perpendicular line of the central axis of the lower layer side of the coil is parallel to the perpendicular line of the central axis of the upper layer side of the coil;
secondly, twisting noses at one sides of two parallel coils after the shuttle is wound are connected between an outer clamping bolt and an inner clamping bolt in a penetrating manner, and the outer clamping bolt and the inner clamping bolt are fixedly connected between a front clamping plate and a rear clamping plate; in the same way, the twisting noses at the other sides of the two parallel coils wound by the shuttle are arranged in the twisting nose clamping plates at the other sides;
thirdly, pulling the upper-layer side positioning and clamping left plate of the coil upwards along a pair of inclined slide rails to expand through an expansion handle plate until the upper-layer side positioning and clamping left plate of the coil is abutted to an expansion in-place limiting block, and completing expansion of two parallel coils after shuttle winding;
fourthly, placing the angle forming cushion block on the upper side of the coil on a tool fixing bottom plate between a pair of clamping stand columns on the lower side of the coil, abutting a clamping right plate on the upper side of the coil on an angle forming inclined positioning surface through an expanding handle plate, clamping the middle part of the upper side of the coil on a clamping step on the lower side of the coil, and rotating the expanding handle plate to ensure that the right side surface of the clamping right plate on the upper side of the coil is abutted on the angle forming inclined positioning surface, so that the vertical line of the central axis of the lower side of the coil and the vertical line of the central axis of the upper side of the coil form an angle of 75 degrees, thereby finishing the shape correction of the upper side of the coil;
fifthly, twisting the front clamping plate to a position vertical to the fixture fixing bottom plate through the front clamping plate positioning handle and the rear clamping plate positioning handle to complete positioning and forming of the twist nose at one side; and the positioning and forming of the twist noses on the other side are finished by the same method.
And sixthly, respectively disassembling the lower-layer side clamping bolt, the upper-layer side clamping bolt, the outer-side clamping bolt and the inner-side clamping bolt of the coil, and taking out the formed pair of coils.
The invention solves the defect that a pair of parallel electromagnetic wires with approximate square cross sections are easy to bend over and lie over from a coil wound by a shuttle to an expanding forming process, protects an insulating layer of a copper flat wire from being damaged in the expanding process, ensures the consistency of the correction rotation angles of the upper layer side of the coil by a tool after the expanding is finished, and then completes the twisting noses at two sides of the coil at one time by positioning control of a coil twisting nose clamping plate.
Drawings
FIG. 1 is a schematic diagram of the coil at the beginning of the coil bulge of the present invention;
FIG. 2 is a schematic view of the coil expansion of the present invention starting at a right view orientation;
FIG. 3 is a schematic diagram of the coil at the end of the coil expansion of the present invention;
FIG. 4 is a schematic view of the coil at the end of the coil expansion in a right view according to the present invention;
FIG. 5 is a schematic diagram of the upper layer edge 13 of the coil of the present invention before the shape correction rotation;
FIG. 6 is a schematic diagram of the coil upper layer 13 of the present invention in a right view before the sizing rotation;
FIG. 7 is a schematic diagram of the upper layer edge 13 of the coil after shape correction rotation;
FIG. 8 is a schematic view of the angle forming block 18 of the coil upper side of the present invention;
FIG. 9 is a schematic view of a side twist nasal splint 16 according to the present invention;
FIG. 10 is a side elevational view of the twist-nose splint 16 of the present invention;
FIG. 11 is a schematic diagram of a structure of a shuttled coil of the present invention;
FIG. 12 is a schematic diagram of the structure of the expanded and corrected coil of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a small-span copper flat wire coil bulging tool comprises a tool fixing bottom plate 1, a support 2 is fixedly arranged on the tool fixing bottom plate 1, a pair of inclined slide rails 3 are arranged at the top of the support 2, the right sides of the inclined slide rails 3 are low, the left sides of the inclined slide rails are high and incline upwards from right to left, bulging in-place limiting blocks 4 are arranged at the top ends of the inclined slide rails 3, a pair of coil lower layer edge clamping upright posts 6 are fixedly arranged on the tool fixing bottom plate 1 on the right side of the support 2, a coil lower layer edge positioning clamping plate 5 is connected to the left side of the upper end of each coil lower layer edge clamping upright post 6, a coil lower layer edge embedding groove 7 is arranged on the right side of the coil lower layer edge positioning clamping plate 5, a coil lower layer edge 8 is embedded into the coil lower layer edge embedding groove 7, the cross section of the coil lower layer edge 8 is rectangular, and the rectangle is, the bottom edge of the coil is parallel to the tool fixing bottom plate 1, the length of the coil is 2.7 mm, the vertical edge of the coil is perpendicular to the tool fixing bottom plate 1, the length of the coil is 2.8 mm, and a coil lower edge clamping bolt 9 is arranged between the coil lower edge positioning and clamping plate 5 and the coil lower edge clamping upright post 6; a wire upper layer side positioning and clamping left plate 11 is movably arranged on a pair of inclined slide rails 3, a wire upper layer side embedding groove 12 is arranged on the right side surface of the wire upper layer side positioning and clamping left plate 11, a wire upper layer side embedding groove 13 is embedded in the wire upper layer side embedding groove 12, the cross section of the wire upper layer side 13 is rectangular, the rectangle is arranged in a mode of being vertical to a tool fixing bottom plate 1, the bottom edge of the rectangle is parallel to the tool fixing bottom plate 1, the length of the rectangle is 2.7 mm, the vertical edge of the rectangle is vertical to the tool fixing bottom plate 1, the length of the rectangle is 2.8 mm, a wire upper layer side clamping right plate 10 is connected on the right side surface of the wire upper layer side positioning and clamping left plate 11, an upper layer side clamping bolt 14 is arranged between the wire upper layer side clamping right plate 10 and the wire upper layer side positioning and clamping left plate 11, an expanding hand plate 15 is connected on the left side surface of the wire upper layer side positioning and clamping left, so as to facilitate the manual expansion and pulling of the operator.
An angle forming cushion block 18 at the upper layer of the coil is movably arranged on the tool fixing bottom plate 1 between the pair of coil lower layer side clamping upright posts 6, an angle forming inclined positioning surface 19 is arranged at the top end of the angle forming cushion block 18 at the upper layer of the coil, a right clamping plate 10 at the upper layer of the coil is movably abutted on the angle forming inclined positioning surface 19, a coil lower layer side clamping step 30 is arranged on the right side surface of the angle forming cushion block 18 at the upper layer of the coil, an included angle alpha between the angle forming inclined positioning surface 19 and the right side surface 31 of the angle forming cushion block 18 at the upper layer of the coil is 75 degrees, the angle is also the process requirement angle after coil bulging is finished and the coil upper layer side 13 is corrected; be provided with one side and turn round nose 20 on one side between 8 and the upper limit 13 of coil lower floor's limit, be provided with opposite side and turn round nose 21 on the opposite side is connected between 8 and the upper limit 13 of coil lower floor's limit, turn round nose splint 16 on one side of being provided with on 20, turn round nose splint 17 at opposite side 21 and be provided with opposite side and turn round nose splint 17, turn round nose splint 16's structure and opposite side and turn round nose splint 17's structure the same completely.
One side twist nose splint 16 comprises front plate 24 and back splint 25, is provided with outside clamp bolt 26 and inboard clamp bolt 29 between front plate 24 and back splint 25 and constitutes, and one side twist nose 20 sets up between outside clamp bolt 26 and inboard clamp bolt 29, is provided with front plate location handle 27 on front plate 24, is provided with back splint location handle 28 on back splint 25, and operating personnel accomplishes the processing of twisting the nose through splint location handle and targets in place.
A bulging method of a bulging tool of a small-span copper flat wire coil comprises the following steps:
firstly, embedding the lower coil layer edges 8 of two parallel coils wound around a shuttle into a lower coil layer edge embedding groove 7 arranged on the right side surface of the lower coil layer edge positioning and clamping plate 5, and fixedly connecting the lower coil layer edge positioning and clamping plate 5 with a lower coil layer edge clamping upright post 6 through a lower coil layer edge clamping bolt 9; embedding the upper coil edges 13 of the two parallel coils wound by the shuttle into the upper coil edge embedding grooves 12 arranged on the right side surfaces of the upper positioning and clamping left plates 11 of the two coils, and fixedly connecting the upper clamping right plates 10 of the coils with the upper positioning and clamping left plates 11 of the coils through upper clamping bolts 14; the perpendicular line 23 of the central axis of the coil lower layer side 8 and the perpendicular line 22 of the central axis of the coil upper layer side 13 are arranged in parallel with each other;
secondly, a twist lug 20 at one side of two parallel coils after the winding is penetrated and connected between an outer clamping bolt 26 and an inner clamping bolt 29, and the outer clamping bolt 26 and the inner clamping bolt 29 are fixedly connected between a front clamping plate 24 and a rear clamping plate 25; in the same way, the other side twist noses 21 of the two parallel coils after being wound are arranged in the other side twist nose clamping plate 17;
thirdly, pulling the upper layer side positioning and clamping left plate 11 of the coil upwards along the pair of inclined slide rails 3 to expand through the expansion handle plate 15 until the upper layer side positioning and clamping left plate 11 of the coil is abutted with the expansion in-place limiting block 4, and completing the expansion of the two parallel coils after the shuttle winding;
fourthly, placing the angle forming cushion block 18 on the upper side of the coil on the tool fixing bottom plate 1 between the pair of coil lower side clamping upright posts 6, abutting the upper side clamping right plate 10 on the angle forming inclined positioning surface 19 through the expansion handle plate 15, clamping the middle part of the upper side 13 of the coil on the coil lower side clamping step 30, then rotating the expansion handle plate 15 to enable the right side surface of the upper side clamping right plate 10 of the coil to be abutted against the angle forming inclined positioning surface 19, enabling the vertical line 23 of the central axis of the lower side 8 of the coil to be 75 degrees with the vertical line 22 of the central axis of the upper side 13 of the coil, and finishing the shape correction of the upper side 13 of the coil;
fifthly, twisting the front splint 24 to a position vertical to the fixture fixing base plate 1 through the front splint positioning handle 27 and the rear splint positioning handle 28 to complete the positioning and forming of the side twisting lug 20; in the same way, the positioning and forming of the twist lug 21 on the other side are completed.
And sixthly, respectively removing the lower-layer side clamping bolt 9, the upper-layer side clamping bolt 14, the outer side clamping bolt 26 and the inner side clamping bolt 29 of the coil, and taking out the formed pair of coils.
Claims (3)
1. The utility model provides a little span copper flat wire coil's shape frock that rises, including frock PMKD (1), fixed support (2) that is provided with on frock PMKD (1), top at support (2) is provided with a pair of slope slide rail (3), the top of a pair of slope slide rail (3) is provided with the shape stopper (4) that targets in place that rises, a pair of coil lower floor limit clamp stand (6) is fixed to be provided with on frock PMKD (1) on support (2) right side, be connected with coil lower floor limit location clamp plate (5) on the left surface of every coil lower floor limit clamp stand (6) upper end, be provided with coil lower floor limit embedding recess (7) on the right flank of coil lower floor limit location clamp plate (5), it has coil lower floor limit (8) to embed in coil lower floor limit embedding recess (7), be provided with coil lower floor limit clamp bolt (9) between coil lower floor limit location clamp plate (5) and coil lower floor limit clamp stand (6) (ii) a The upper layer of the coil is movably arranged on the pair of inclined slide rails (3) and is positioned and clamped with the left plate (11), the right side surface of the upper layer of the coil is positioned and clamped with the left plate (11) and is provided with the upper layer of the coil embedding groove (12), the upper layer of the coil is embedded into the upper layer of the coil embedding groove (12), the right side surface of the upper layer of the coil is connected with the upper layer of the coil positioning and clamping the left plate (11) and is clamped with the right plate (10), an upper layer of clamping bolt (14) is arranged between the upper layer of the coil clamping right plate (10) and the upper layer of the coil positioning and clamping the left plate (11), and the left side surface of the upper layer of the coil positioning and clamping the left plate (11) is connected with the expanding handle plate (15).
2. The small-span copper flat wire coil spreading tool according to claim 1, characterized in that an angle forming cushion block (18) at the upper side of a coil is movably arranged on a tool fixing bottom plate (1) between a pair of coil lower side clamping columns (6), an angle forming inclined positioning surface (19) is arranged at the top end of the angle forming cushion block (18) at the upper side of the coil, a coil upper side clamping right plate (10) is movably abutted on the angle forming inclined positioning surface (19), a coil lower side clamping step (30) is arranged on the right side surface of the angle forming cushion block (18) at the upper side of the coil, and an included angle (alpha) between the angle forming inclined positioning surface (19) and the right side surface (31) of the angle forming cushion block (18) at the upper side of the coil is 75 degrees; one side is connected the edge and is provided with one side and turns round nose (20) between coil lower floor limit (8) and coil upper limit (13), is provided with opposite side and turns round nose (21) on the opposite side is connected the edge between coil lower floor limit (8) and coil upper limit (13), is provided with one side and turns round nose splint (16) on one side, is provided with opposite side and turns round nose splint (17) on opposite side and turns round nose splint (21), and the structure of one side and the structure of opposite side turning round nose splint (17) are the same completely.
3. The small-span copper flat wire coil spreading tool according to claim 2, wherein a side twist-nose clamping plate (16) is composed of a front clamping plate (24) and a rear clamping plate (25), an outer clamping bolt (26) and an inner clamping bolt (29) are arranged between the front clamping plate (24) and the rear clamping plate (25), a side twist-nose (20) is arranged between the outer clamping bolt (26) and the inner clamping bolt (29), a front clamping plate positioning handle (27) is arranged on the front clamping plate (24), and a rear clamping plate positioning handle (28) is arranged on the rear clamping plate (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020864970.7U CN212258726U (en) | 2020-05-21 | 2020-05-21 | Bulging tool for small-span copper flat wire coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020864970.7U CN212258726U (en) | 2020-05-21 | 2020-05-21 | Bulging tool for small-span copper flat wire coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212258726U true CN212258726U (en) | 2020-12-29 |
Family
ID=73976012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020864970.7U Active CN212258726U (en) | 2020-05-21 | 2020-05-21 | Bulging tool for small-span copper flat wire coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212258726U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094782A (en) * | 2022-01-21 | 2022-02-25 | 山西汾西重工有限责任公司 | Small-span large-section small-end stretching and twisting nose flat copper wire wave winding tail forming tool |
| CN114094786A (en) * | 2022-01-21 | 2022-02-25 | 山西汾西重工有限责任公司 | One-time winding forming combined tool for direct current propulsion motor reversing pole coil |
| CN114094784A (en) * | 2022-01-21 | 2022-02-25 | 山西汾西重工有限责任公司 | Flat copper wire wave winding head forming tool with small span, large cross section and small end stretching and twisting nose |
-
2020
- 2020-05-21 CN CN202020864970.7U patent/CN212258726U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094782A (en) * | 2022-01-21 | 2022-02-25 | 山西汾西重工有限责任公司 | Small-span large-section small-end stretching and twisting nose flat copper wire wave winding tail forming tool |
| CN114094786A (en) * | 2022-01-21 | 2022-02-25 | 山西汾西重工有限责任公司 | One-time winding forming combined tool for direct current propulsion motor reversing pole coil |
| CN114094784A (en) * | 2022-01-21 | 2022-02-25 | 山西汾西重工有限责任公司 | Flat copper wire wave winding head forming tool with small span, large cross section and small end stretching and twisting nose |
| CN114094782B (en) * | 2022-01-21 | 2022-05-10 | 山西汾西重工有限责任公司 | Small-span large-section small-end stretching and twisting nose flat copper wire wave winding tail forming tool |
| CN114094786B (en) * | 2022-01-21 | 2022-05-10 | 山西汾西重工有限责任公司 | One-time winding forming combined tool for direct current propulsion motor reversing pole coil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212258726U (en) | Bulging tool for small-span copper flat wire coil | |
| CN111585404A (en) | Bulging tool and bulging method for small-span copper flat wire coil | |
| CN102868241A (en) | Stator core and manufacturing method thereof | |
| CN211376401U (en) | Coil winding device for mutual inductor production | |
| CN1311617C (en) | Run-track shaped high-temp. superconductive winding | |
| CN104981882A (en) | Method for manufacturing a stacked triangular core transformer | |
| CN114260388B (en) | Flat wire stator end part twisting device and method thereof | |
| CN102005872A (en) | Slot turning process for stator coil and auxiliary tooling device thereof | |
| CN106469598B (en) | A kind of multi-layer winding and its winding method | |
| CN108787966B (en) | Machine tool for manufacturing hollow hexagonal brick lead wire | |
| CN102497065B (en) | Universal winding former for high-voltage motor windings | |
| CN210535505U (en) | Winding tool for rectangular spiral parallel copper flat wire winding | |
| CN103433664B (en) | 360 degree of welding stresses encircle equipment and welding procedure in advance | |
| CN109801774A (en) | Stereo amorphous alloy wound iron core and its single frame | |
| GB2042281A (en) | Insulating end windings of dynamo electric machines | |
| CN214687983U (en) | Quick electromagnetic hot melt welding device | |
| CN210587764U (en) | Welding forming tool for reversed-square-shaped sheet-shaped magnetic pole coil | |
| CN112139310A (en) | Manufacturing method of steel structure reinforced truss structure | |
| CN203368262U (en) | Six-unit parallel-winding fusiform coil expanding model | |
| CN210536449U (en) | Generator rotor tower-shaped coil winding and shaping tool | |
| CN214900572U (en) | Motor stator multichannel pin joint location forming device | |
| CN108494182B (en) | Forming device and forming method of saddle-shaped coil | |
| CN110405389B (en) | Welding forming tool and welding forming method for zigzag sheet-shaped magnetic pole coil | |
| CN218214984U (en) | Three-dimensional iron core auxiliary installation equipment that rolls up of amorphous | |
| CN117444502A (en) | Welding mould and welding method for multi-layer laminated aluminum soft belt bus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |