CN108597858B - Shaping tool for outgoing line of low-voltage coil of transformer - Google Patents
Shaping tool for outgoing line of low-voltage coil of transformer Download PDFInfo
- Publication number
- CN108597858B CN108597858B CN201810525776.3A CN201810525776A CN108597858B CN 108597858 B CN108597858 B CN 108597858B CN 201810525776 A CN201810525776 A CN 201810525776A CN 108597858 B CN108597858 B CN 108597858B
- Authority
- CN
- China
- Prior art keywords
- voltage coil
- low
- shaped
- outgoing line
- bending
- Prior art date
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- Active
Links
- 238000007493 shaping process Methods 0.000 title claims abstract description 23
- 238000005452 bending Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 abstract description 7
- 239000004593 Epoxy Substances 0.000 description 9
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/077—Deforming the cross section or shape of the winding material while winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/076—Forming taps or terminals while winding, e.g. by wrapping or soldering the wire onto pins, or by directly forming terminals from the wire
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
- Coil Winding Methods And Apparatuses (AREA)
Abstract
The utility model provides a shaping tool for a low-voltage coil outgoing line of a transformer, which comprises a clamp for clamping and fixing the low-voltage coil outgoing line and a bending wrench matched with the clamp for clamping and bending the low-voltage coil outgoing line, wherein the bending wrench is provided with a sleeved hole which is sleeved on a section to be shaped in the low-voltage coil outgoing line, and the sleeved hole is provided with a limiting inner wall for limiting the periphery of the section to be shaped when the section to be shaped is bent. When the clamp is used, the clamp and the bending spanner are matched to clamp and bend, the limiting inner wall of the sleeve hole can limit the periphery of the section to be shaped, so that the phenomenon that a broken line appears after the section to be shaped is pressed in the bending process is prevented, and the overall quality after bending is further affected. Therefore, the shaping tool disclosed by the utility model can be suitable for a low-voltage coil comprising a plurality of wires, and can effectively prevent the wire breakage phenomenon of the plurality of wires.
Description
Technical Field
The utility model relates to a shaping tool for outgoing lines of low-voltage coils of transformers.
Background
The oil-immersed three-dimensional wound core transformer comprises an iron core and high and low voltage coils wound on the iron core, wherein the outgoing lines are buried in the coils when the low voltage coils are wound, the outgoing lines of the low voltage coils need to be pulled out of the coils when the transformer leads are assembled, and the transformer leads are bent one or more times and then welded with the conductive copper bars.
In order to achieve the above-mentioned object, related studies have been made on a bending tool in the prior art, for example, an patent of the utility model with the publication number CN202534500U discloses a bending clamp for a transformer coil lead wire, the bending clamp comprises two handles and a clamp head connected to the handles, the clamp head comprises an L-shaped bent clamp head connected to one of the handles, and further comprises a straight clamp head connected to the other handle, the L-shaped bent clamp head is hinged to the straight clamp head through a hinge shaft, the hinge shaft has an extension section extending to the outside of the clamp head, positioning portions corresponding to the extension section are respectively arranged on the L-shaped bent clamp head and the straight clamp head, and the centers of the extension section and the two positioning portions are not in the same straight line. When the coil lead wire bending device is used, the coil lead wire stretches into the two positioning parts and the extending section, the straight clamp head is rotated, and the coil lead wire can be bent by a certain angle.
However, the prior art transformers are described in the patent issued CN204117795U, wherein the low voltage coil comprises a plurality of wires wound in parallel. If the bending pliers in the prior art are adopted, on one hand, the external dimension of the outgoing line of the low-voltage coil formed by a plurality of wires wound in parallel is larger, and the outgoing line cannot extend between the two positioning parts and the extension section; on the other hand, among the prior art, extension and two location portions are in the axial not spacing to the lead-out wire of coil, to the lead-out wire of the low voltage coil that comprises many parallel winding wires, at the in-process of bending, the lead-out wire of low voltage coil is not tightly overlapped, if many wires three-dimensional arrangement, many wires atress can expand to both sides at the in-process of bending, wait that the plastic section can appear collapsibility promptly, loose distortion appears easily, the degree of bending of each wire is different, moreover can't guarantee the neat arrangement after the low voltage coil lead-out wire is bent. As described above, the bending pliers of the prior art are not suitable for the case of a low-voltage coil formed by a plurality of wires wound in parallel. In the prior art, a hollow rectangular steel pipe is adopted for shaping, and in the shaping process, the inner diameter size of the rectangular steel pipe is not matched with the size of the outgoing line of the low-voltage coil and no supporting point exists, so that the outgoing line of the low-voltage coil is difficult to process in the shaping process, the outgoing line is easy to distort and deform, and the outgoing line is severe in warpage and is not attractive after shaping is finished.
Disclosure of Invention
The utility model aims to provide a shaping tool for outgoing lines of a low-voltage coil of a transformer, which is used for bending outgoing lines of the low-voltage coil formed by a plurality of wires.
In order to achieve the purpose, the technical scheme of the shaping tool for the outgoing line of the low-voltage coil of the transformer is as follows: the utility model provides a transformer low-voltage coil lead-out wire plastic frock, includes the anchor clamps that are used for pressing from both sides tight low-voltage coil lead-out wire and with the anchor clamps cooperation is in order to press from both sides the spanner of bending the low-voltage coil lead-out wire, be equipped with the suit hole that is arranged in the low-voltage coil lead-out wire of suit to wait on the plastic section, the suit hole has and wait that the plastic section is bent when waiting to take shape the section and carry out spacing inner wall all around.
The beneficial effects of the utility model are as follows: the shaping tool for the outgoing line of the low-voltage coil of the transformer comprises a clamp and a bending spanner, wherein the clamp is used for clamping the outgoing line of the low-voltage coil, and the bending spanner is matched with the clamp to clamp and bend the outgoing line of the low-voltage coil. The bending wrench is provided with a sleeving hole which is sleeved on the section to be shaped in the outgoing line of the low-voltage coil, and the sleeving hole is provided with a limiting inner wall. When the clamp is used, the clamp and the bending spanner are matched to clamp and bend, the limiting inner wall of the sleeve hole can limit the periphery of the section to be shaped, so that the phenomenon that a broken line appears after the section to be shaped is pressed in the bending process is prevented, and the overall quality after bending is further affected. Therefore, the shaping tool disclosed by the utility model can be suitable for a low-voltage coil comprising a plurality of wires, and can effectively prevent the wire breakage phenomenon of the plurality of wires.
The sleeve holes are formed in the bending wrench, and the clamp comprises two side clamping pieces capable of relatively moving to clamp the outgoing line of the low-voltage coil.
The clamp comprises a base, wherein one of the clamping pieces at two sides is a supporting plate fixedly arranged on the base, and the other clamping piece is a movable clamping piece movably assembled on the base along the clamping direction of the clamping pieces at two sides.
The movable clamping piece comprises a movable clamping plate, and the movable clamping piece further comprises a propping piece which is arranged on the base and propped against the movable clamping plate along the clamping direction.
The jacking piece is a jacking bolt screwed on the base through threads.
The base is of a C-shaped structure with one end open, the C-shaped base comprises two transverse edges which are oppositely arranged, one transverse edge is provided with the supporting plate, and the other transverse edge is provided with the jacking piece.
The base comprises at least two C-shaped plates and connecting ribs between the two adjacent C-shaped plates, and also comprises an end plate at one end of the two C-shaped plates, wherein the end plate is provided with the jacking piece.
The bending wrench comprises surrounding plates which are connected end to enclose the sleeved holes, and wrench handles are arranged on the surrounding plates.
The extending direction of the sleeved hole is consistent with the extending direction of the wrench handle.
The surrounding plate comprises four square side plates, wherein one side plate and the wrench handle are integrally formed.
Drawings
FIG. 1 is a schematic diagram of a fixture in an embodiment of a shaping tool for a low-voltage coil outgoing line of a transformer;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a schematic diagram of a bending wrench in an embodiment of the shaping tool for the outgoing line of the low-voltage coil of the transformer;
FIG. 5 is a left side view of FIG. 4;
fig. 6 is a use state diagram of an embodiment of the shaping tool for the outgoing line of the low-voltage coil of the transformer.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
In a specific embodiment of the shaping tool for the outgoing line of the low-voltage coil of the transformer, as shown in fig. 1 to 6, the transformer in the embodiment is an oil-immersed three-dimensional coiled iron core transformer, and the shaping tool comprises two parts, namely a clamp 12 and a bending wrench 13, which are mutually matched.
The fixture 12 comprises two C-shaped plates 1 which are arranged in parallel, wherein the two C-shaped plates 1 respectively comprise a vertical edge and two transverse edges which are arranged oppositely, the vertical edges of the two C-shaped plates 1 are fixedly connected through a connecting rib 4, so that the two C-shaped plates form a whole, and the two transverse edges of the C-shaped plates are fixedly connected through an upper end plate 2 and a lower end plate 3 respectively. The upper and lower end plates are arranged opposite to each other in the up-down direction. The two C-shaped plates 1, the connecting ribs 4, the upper end plate and the lower end plate jointly form an accommodating space with a horizontal opening, and the two C-shaped plates can be laterally sleeved at the upper end and the lower end of the low-voltage coil so as to be used for compressing outgoing lines.
In order to clamp the outgoing line of the low-voltage coil, a threaded through hole 6 extending up and down is formed in the upper end plate 2, a jacking bolt 5 is threaded in the threaded through hole 6, and an epoxy plate is arranged below the jacking bolt 5. When the epoxy plate is used, the low-voltage coil outgoing line is placed on the lower end plate 3, and the low-voltage coil outgoing line is placed below the epoxy plate, and the epoxy plate and the lower end plate 3 can clamp the low-voltage coil outgoing line in the up-down direction by rotating the jacking bolts 5.
The bending spanner 13 comprises a spanner handle 7, a lower plate 8 and two side plates 10 which are encircled to form a sleeved hole 9, and the spanner handle 7 has a certain extension length so as to facilitate force application. As can be seen from fig. 4, the extending direction of the sleeve hole 9 is identical to the extending direction of the wrench handle 7, and when the wrench handle 7 is specifically bent, the low-voltage coil outgoing line is bent by rotating clockwise in fig. 4. The inner diameter of the sleeve hole 9 is slightly larger than the outer diameter of the low-voltage coil outgoing line, so that the bending spanner can be sleeved outside the low-voltage coil outgoing line, and each wire in the low-voltage coil shaping section can be clamped, so that each wire cannot be loosened, broken and deformed. In the utility model, the clamp or the bending spanner is completed in a split mode, so that the cost is reduced and the assembly can be carried out on site.
The application process of the utility model is as follows: and selecting a proper clamp according to the capacity of the low-voltage coil, sleeving the clamp outside the outgoing line of the low-voltage coil, and arranging the upper end plate 2 and the lower end plate 3 along the up-down direction for facilitating the follow-up screwing of the jacking bolts 5. An epoxy plate is placed between the upper end plate 2 and the low-voltage coil outgoing line, the low-voltage coil outgoing line is placed under the epoxy plate below the upper end plate 2, the edge of the epoxy plate is aligned with the root of the low-voltage coil outgoing line, and the jacking bolts are screwed until the jacking bolts 5 compress the epoxy plate. The bending wrench with proper specification is selected again according to the capacity of the low-voltage coil to bend the outgoing line of the low-voltage coil, the sleeve hole 9 of the bending wrench is sleeved outside the section to be shaped, the smooth sleeve can be realized because the inner diameter of the sleeve hole 9 is slightly larger than the outer dimension of the section to be shaped, in addition, the limiting inner wall of the sleeve hole 9 can limit the section to be shaped in the bending process, the bending degree of each wire is consistent, the situation that a plurality of wires of the section to be shaped are scattered and loose and twisted is prevented, and deformation and warping towards other directions are generated after the shaping is completed. And (3) installing the bending spanner sleeve outside the outgoing line of the low-voltage coil, and sequentially bending the same part of the section to be shaped upwards and horizontally.
In this embodiment, the bent portion of the low-voltage coil outgoing line forms a section to be shaped, and when in use, the section to be shaped is located in the sleeve hole 9. For low-voltage coils with different capacities, the screwing-in amount of the jack bolt is changed, and in order to be suitable for the low-voltage coils with different capacities, specific parameter differences of bending spanners with different specifications are designed to be the sizes of the inner diameters of the sleeved holes.
In this embodiment, the epoxy plate forms a movable clamping plate, the movable clamping plate and the jack bolt form a movable clamping member, and the lower end plate forms a supporting plate, namely another clamping member. The pushing bolt is a pushing piece, and in other embodiments, the pushing piece may be a screw nut structure, through which the movable clamping plate is pushed. In other embodiments, the movable clamp plate may be coupled to one end of the tightening member. In the above embodiment, one of the two side clamping members is a movable clamping member, the other is a fixed clamping member, and in other embodiments, two side clamping members may be movable clamping members, and specific embodiments may be: the lower end plate is also provided with internal threads and is provided with a jacking bolt, and the upper end of the jacking bolt is fixedly provided with a clamping plate. In other embodiments, the movable clamp plate can be guided and mounted on a base formed by two C-shaped plates, connecting ribs and an upper end plate. In this embodiment, one of the side plates surrounding the package hole is a part of the wrench handle, i.e. is integrally formed with the wrench handle.
In other embodiments, the bending wrench may be designed to have a structure with a changeable inner diameter of the sleeve hole, for example, two side plates of the bending wrench are movably assembled on the handle and the lower plate.
Claims (4)
1. The utility model provides a transformer low-voltage coil lead-out wire plastic frock which characterized in that: the bending wrench is provided with a sleeved hole which is sleeved on a section to be shaped in the low-voltage coil outgoing line, and the sleeved hole is provided with a limiting inner wall which limits the periphery of the section to be shaped when the section to be shaped is bent; the clamp comprises two side clamping pieces which can move relatively to clamp the outgoing line of the low-voltage coil; the clamp comprises a base, wherein one of two side clamping pieces is a supporting plate fixedly arranged on the base, the other one is a movable clamping piece movably assembled on the base along the clamping direction of the two side clamping pieces, the movable clamping piece comprises a movable clamping plate, and the movable clamping piece also comprises a propping piece which is arranged on the base and propped against the movable clamping plate along the clamping direction; the bending spanner comprises surrounding plates which are connected end to enclose the sleeved holes, and spanner handles are arranged on the surrounding plates; the extending direction of the sleeved hole is consistent with the extending direction of the wrench handle; the surrounding plate comprises four square side plates, wherein one side plate and the wrench handle are integrally formed.
2. The transformer low-voltage coil outgoing line shaping tool according to claim 1, wherein: the jacking piece is a jacking bolt screwed on the base through threads.
3. The transformer low-voltage coil outgoing line shaping tool according to claim 1 or 2, characterized in that: the base is of a C-shaped structure with one end open, the C-shaped base comprises two transverse edges which are oppositely arranged, one transverse edge is provided with the supporting plate, and the other transverse edge is provided with the jacking piece.
4. The transformer low-voltage coil outgoing line shaping tool according to claim 3, wherein: the base comprises at least two C-shaped plates and connecting ribs between the two adjacent C-shaped plates, and also comprises an end plate at one end of the two C-shaped plates, wherein the end plate is provided with the jacking piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525776.3A CN108597858B (en) | 2018-05-28 | 2018-05-28 | Shaping tool for outgoing line of low-voltage coil of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525776.3A CN108597858B (en) | 2018-05-28 | 2018-05-28 | Shaping tool for outgoing line of low-voltage coil of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108597858A CN108597858A (en) | 2018-09-28 |
| CN108597858B true CN108597858B (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810525776.3A Active CN108597858B (en) | 2018-05-28 | 2018-05-28 | Shaping tool for outgoing line of low-voltage coil of transformer |
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| Country | Link |
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| CN (1) | CN108597858B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342624B (en) * | 2020-04-18 | 2024-05-28 | 山西汾西重工有限责任公司 | Engagement mechanism and engagement method for coil lead-out wire head after bending |
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| Publication number | Publication date |
|---|---|
| CN108597858A (en) | 2018-09-28 |
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