CN217788159U - Cold-rolled silicon steel sheet for power transformer - Google Patents
Cold-rolled silicon steel sheet for power transformer Download PDFInfo
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- CN217788159U CN217788159U CN202221243459.0U CN202221243459U CN217788159U CN 217788159 U CN217788159 U CN 217788159U CN 202221243459 U CN202221243459 U CN 202221243459U CN 217788159 U CN217788159 U CN 217788159U
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Abstract
The utility model discloses a cold rolling silicon steel sheet for power transformer relates to power transformer technical field. The combined type silicon steel sheet comprises an E-type silicon steel sheet group consisting of a plurality of superposed E-type silicon steel sheets and an I-type silicon steel sheet group consisting of a plurality of superposed I-type silicon steel sheets, wherein a first clamping sleeve is arranged at the splicing part of two sides of the combined E-type silicon steel sheet group and the combined I-type silicon steel sheet group respectively, and a second clamping sleeve is arranged at the splicing part of the middle part of the combined E-type silicon steel sheet group and the combined I-type silicon steel sheet group; the E-shaped silicon steel sheet comprises a transverse steel sheet, a central leg and two side legs, wherein a first convex part is arranged at one end of the central leg, which is far away from the transverse steel sheet, and first concave parts are respectively arranged at one ends of the two side legs, which are far away from the transverse steel sheet; and second convex parts are respectively arranged on two sides of the upper end of the I-shaped silicon steel sheet, and a second concave part is arranged in the center of the upper end of the I-shaped silicon steel sheet. The utility model overcomes prior art's is not enough, makes E shape silicon steel sheet and I shape silicon steel sheet can not appear the deviation when coincide separately or combine together, and difficult emergence is in disorder.
Description
Technical Field
The utility model relates to a power transformer technical field, concretely relates to cold rolling silicon steel sheet for power transformer.
Background
The transformer is a power device which changes alternating voltage by utilizing the principle of electromagnetic induction, can play roles of voltage transformation, current transformation, impedance transformation, voltage stabilization and the like in a circuit, and has wide application in a plurality of fields such as power supply, mechanical manufacturing, metallurgy, railways and the like. The winding and the iron core of the power transformer are main components for transferring and transforming electromagnetic energy. Transformer cores are generally made by stacking hot-rolled or cold-rolled silicon steel sheets having a high silicon content and coated with an insulating varnish on their surface. The iron core and the coil wound on the iron core form a complete electromagnetic induction system. The amount of power transmitted by the power transformer depends on the material and cross-sectional area of the core.
The EI-type iron core is a common iron core type in the market at present and is formed by combining a plurality of E-type silicon steel sheets and a plurality of I-type silicon steel sheets. However, the conventional E-shaped silicon steel sheet and the conventional I-shaped silicon steel sheet are often deviated when they are stacked or combined together, and the E-shaped silicon steel sheet and the I-shaped silicon steel sheet are fixed by the riveting points of the silicon steel sheet after they are combined together, so that they are easily subjected to external force during use, and are subject to scattering. To this end, we propose a cold rolled silicon steel sheet for power transformers.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art E shape silicon steel sheet and I shape silicon steel sheet coincide separately or the deviation often can appear when combining jointly, and easily receive the not enough of the indiscriminate phenomenon of emergence such as collision of external force factor after the combination jointly, the utility model provides a cold rolled silicon steel sheet for power transformer.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a cold-rolled silicon steel sheet for a power transformer comprises an E-type silicon steel sheet group formed by overlapping a plurality of E-type silicon steel sheets and an I-type silicon steel sheet group formed by overlapping a plurality of I-type silicon steel sheets, wherein after the E-type silicon steel sheet group and the I-type silicon steel sheet group are combined together, splicing positions on two sides are respectively provided with a first clamping sleeve, and a splicing position in the middle is provided with a second clamping sleeve;
the E-shaped silicon steel sheet comprises a transverse steel sheet, a central leg connected to the middle of the lower end of the transverse steel sheet and side legs symmetrically connected to two sides of the lower end of the transverse steel sheet, a first protruding portion is arranged at one end, far away from the transverse steel sheet, of the central leg, and first recessed portions are respectively arranged at one ends, far away from the transverse steel sheet, of the two side legs;
and second convex parts matched with the first concave parts are respectively arranged on two sides of the upper end of the I-shaped silicon steel sheet, and a second concave part matched with the first convex parts is arranged in the center of the upper end of the I-shaped silicon steel sheet.
According to the preferable technical scheme, semicircular first positioning grooves are symmetrically formed in two sides of the lower end of the transverse steel sheet.
According to the further optimized technical scheme, semicircular second positioning grooves are symmetrically formed in two sides of the upper end of the I-shaped silicon steel sheet, and the second positioning grooves are opposite to the first positioning grooves.
According to the preferable technical scheme, the first protruding portion, the first concave portion, the second protruding portion and the second concave portion are all arranged to be in a dovetail structure, the first protruding portion is spliced with the second concave portion, and the two first concave portions are respectively spliced with the two second protruding portions.
Further preferred technical scheme, first cutting ferrule card and in the concatenation department outside of first depressed part and second bulge, and first cutting ferrule interpolation is equipped with first pin, set up the first locating pin hole of being convenient for first pin male on the second bulge.
According to the further preferable technical scheme, the second clamping sleeve is clamped and arranged outside the splicing position of the first protruding portion and the second recessed portion, a second pin is inserted into the second clamping sleeve, and a second positioning pin hole which is convenient for the second pin to insert is formed in the first protruding portion.
According to the preferable technical scheme, third positioning pin holes are formed in the two sides and the middle of the transverse steel sheet, and third pins are inserted into the third positioning pin holes.
According to the preferable technical scheme, the first clamping sleeve and the second clamping sleeve are both made of cold-rolled silicon steel sheet materials.
(III) advantageous effects
The embodiment of the utility model provides a cold rolling silicon steel sheet for power transformer. The method has the following beneficial effects:
1. the utility model discloses a be convenient for fix a position the coincide of E shape silicon steel sheet better with first positioning groove card and in the reference column outside on workstation upper portion, be convenient for fix a position the coincide of I shape silicon steel sheet better through with second positioning groove card and in the reference column outside of workstation lower part for E shape silicon steel sheet and I shape silicon steel sheet can not appear the deviation in the coincide separately.
2. The utility model discloses a be provided with first bulge, first depressed part, second bulge and the second depressed part of dovetail structure to splice the first bulge of E type silicon steel sheet and the second depressed part of I type silicon steel sheet mutually, splice two first depressed parts of E type silicon steel sheet respectively with two second bulges of I type silicon steel sheet mutually, make E shape silicon steel sheet and I shape silicon steel sheet can not appear the deviation when making up jointly.
3. The utility model discloses a setting up of first cutting ferrule, first pinhole, first location pinhole and first pin fixes a position fixedly to the concatenation department of first depressed part and second bulge, through the second cutting ferrule, the second pinhole, the setting of second location pinhole and second pin fixes a position fixedly to the concatenation department of first bulge and second depressed part, the setting through third location pinhole and third pin fixes a position fixedly to the horizontal steel sheet department of E shape silicon steel sheet group, thereby make silicon steel sheet group overall structure stable, the collision that is difficult for receiving external force factor etc. takes place in disorder.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the E-shaped silicon steel sheet and the I-shaped silicon steel sheet of the present invention;
fig. 3 is a schematic structural view of an E-shaped silicon steel sheet of the present invention;
fig. 4 is a schematic structural view of the I-type silicon steel sheet of the present invention.
In the figure: the positioning structure comprises a 1E type silicon steel sheet group, a 11E type silicon steel sheet, a 111 transverse steel sheet, a 112 central leg, a 113 side leg, a 114 first convex part, a 115 first concave part, a 116 first positioning groove, a 2I type silicon steel sheet group, a 21I type silicon steel sheet, a 211 second convex part, a 212 second concave part, a 213 second positioning groove, a 3 first cutting sleeve, a 4 second cutting sleeve, a 5 first pin, a 6 first positioning pin hole, a 7 second pin, a 8 second positioning pin hole, a 9 third positioning pin hole, a 10 third pin, a 100 workbench and a 200 positioning column.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
Referring to the attached drawings 1-4, a cold-rolled silicon steel sheet for a power transformer comprises an E-type silicon steel sheet group 1 formed by overlapping a plurality of E-type silicon steel sheets 11 and an I-type silicon steel sheet group 2 formed by overlapping a plurality of I-type silicon steel sheets 21, wherein a first clamping sleeve 3 is respectively arranged at the splicing part of two sides after the E-type silicon steel sheet group 1 and the I-type silicon steel sheet group 2 are jointly combined, a second clamping sleeve 4 is arranged at the splicing part of the middle part, and the fastening performance of the combination of the E-type silicon steel sheet group 1 and the I-type silicon steel sheet group 2 is enhanced through the arrangement of the first clamping sleeve 3 and the second clamping sleeve 4;
the E-shaped silicon steel sheet 11 comprises a transverse steel sheet 111, a central leg 112 connected to the middle of the lower end of the transverse steel sheet 111, and side legs 113 symmetrically connected to two sides of the lower end of the transverse steel sheet 111, wherein a first protruding part 114 is arranged at one end of the central leg 112 away from the transverse steel sheet 111, first recessed parts 115 are respectively arranged at one ends of the two side legs 113 away from the transverse steel sheet 111, and all parts on the E-shaped silicon steel sheet 11 are integrally formed;
two sides of the upper end of the I-shaped silicon steel sheet 21 are respectively provided with a second protruding portion 211 engaged with the first recessed portion 115, the center of the upper end of the I-shaped silicon steel sheet 21 is provided with a second recessed portion 212 engaged with the first protruding portion 114, and each part of the I-shaped silicon steel sheet 21 is integrally formed.
In order to facilitate better positioning of the superposition of the E-shaped silicon steel sheets, semicircular first positioning grooves 116 are symmetrically formed in both sides of the lower end of the transverse steel sheet 111. When the E-shaped silicon steel sheets are stacked, the first positioning groove 116 can be clamped and the positioning column 200 at the upper part of the worktable 100 can be used for positioning the E-shaped silicon steel sheets, so that the E-shaped silicon steel sheets are not deviated during stacking.
In order to facilitate better positioning of the superposition of the I-shaped silicon steel sheets, semicircular second positioning grooves 213 are symmetrically formed in both sides of the upper end of the I-shaped silicon steel sheet 21, and the second positioning grooves 213 are opposite to the first positioning grooves 116. When the I-shaped silicon steel sheets are stacked, the second positioning groove 213 can be clamped and the positioning column 200 at the lower part of the workbench 100 can be used for positioning the I-shaped silicon steel sheets, so that the I-shaped silicon steel sheets cannot deviate during stacking.
In order to prevent the E-shaped silicon steel sheet and the I-shaped silicon steel sheet from deviating when being combined together, the first protruding portion 114, the first recessed portion 115, the second protruding portion 211, and the second recessed portion 212 are all configured to have a dovetail structure, the first protruding portion 114 is connected with the second recessed portion 212, and the two first recessed portions 115 are connected with the two second protruding portions 211.
In order to facilitate the positioning and fixing of the joint of the first concave part 115 and the second convex part 211, the first sleeve 3 is clamped outside the joint of the first concave part 115 and the second convex part 211, a first pin 5 is inserted into the first sleeve 3, and a first positioning pin hole 6 for facilitating the insertion of the first pin 5 is formed in the second convex part 211. The first ferrule 3 is firmly connected with the first concave part 115 and the second convex part 211 through the first pin 5, so that the splicing part of the first concave part 115 and the second convex part 211 is not easy to scatter.
In order to facilitate positioning and fixing of the joint of the first protruding portion 114 and the second recessed portion 212, the second sleeve 4 is clamped outside the joint of the first protruding portion 114 and the second recessed portion 212, a second pin 7 is inserted into the second sleeve 4, and a second positioning pin hole 8 for facilitating insertion of the second pin 7 is formed in the first protruding portion 114. The second clamping sleeve 4 is firmly connected with the first convex part 114 and the second concave part 212 through the second pin 7, so that the spliced part of the first convex part 114 and the second concave part 212 is not easy to scatter.
In order to facilitate the positioning and fixing of the transverse steel sheet 111 of the E-shaped silicon steel sheet group, third positioning pin holes 9 are formed in both sides and the middle of the transverse steel sheet 111, and third pins 10 are inserted into the third positioning pin holes 9.
In order not to influence the product performance, the first cutting sleeve 3 and the second cutting sleeve 4 are both made of cold-rolled silicon steel sheet materials.
The working principle is as follows: when the E-shaped silicon steel sheet and the I-shaped silicon steel sheet are used, the E-shaped silicon steel sheet and the I-shaped silicon steel sheet are placed on the workbench 100 to be overlapped, the first positioning groove 116 is clamped on the outer side of the positioning column 200 on the upper portion of the workbench 100, the second positioning groove 213 is clamped on the outer side of the positioning column 200 on the lower portion of the workbench 100, the first convex portion 114 of the E-shaped silicon steel sheet 11 is spliced with the second concave portion 212 of the I-shaped silicon steel sheet 21 in the overlapping process, the two first concave portions 115 of the E-shaped silicon steel sheet 11 are respectively spliced with the two second convex portions 211 of the I-shaped silicon steel sheet 21, after the E-shaped silicon steel sheet and the I-shaped silicon steel sheet are overlapped, the first clamping sleeve 3 is clamped on the outer side of the splicing position of the first concave portion 115 and the second convex portion 211, the first pin 5 is inserted for fixing, the second clamping sleeve 4 is clamped on the outer side of the splicing position of the first convex portion 114 and the second concave portion 212, the second pin 7 is inserted for fixing, the third pin 10 is inserted into the corresponding third positioning pin hole 9 for reinforcing the E-shaped silicon steel sheet group, and the integral structure of the silicon steel sheet is stabilized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides a cold rolling silicon steel sheet for power transformer, includes E type silicon steel sheet group (1) that comprises the stack of multi-disc E type silicon steel sheet (11) and I type silicon steel sheet group (2) that comprise the stack of multi-disc I type silicon steel sheet (21), its characterized in that: after the E-type silicon steel sheet group (1) and the I-type silicon steel sheet group (2) are combined together, splicing parts on two sides are respectively provided with a first clamping sleeve (3), and a splicing part in the middle is provided with a second clamping sleeve (4);
the E-shaped silicon steel sheet (11) comprises a transverse steel sheet (111), a central foot (112) connected to the middle of the lower end of the transverse steel sheet (111) and side feet (113) symmetrically connected to two sides of the lower end of the transverse steel sheet (111), a first protruding portion (114) is arranged at one end, away from the transverse steel sheet (111), of the central foot (112), and first recessed portions (115) are respectively arranged at one ends, away from the transverse steel sheet (111), of the two side feet (113);
and second convex parts (211) matched with the first concave parts (115) are respectively arranged on two sides of the upper end of the I-shaped silicon steel sheet (21), and a second concave part (212) matched with the first convex part (114) is arranged in the center of the upper end of the I-shaped silicon steel sheet (21).
2. The cold-rolled silicon steel sheet for a power transformer as claimed in claim 1, wherein: the two sides of the lower end of the transverse steel sheet (111) are symmetrically provided with semicircular first positioning grooves (116).
3. The cold-rolled silicon steel sheet for a power transformer as claimed in claim 2, wherein: semicircular second positioning grooves (213) are symmetrically formed in two sides of the upper end of the I-shaped silicon steel sheet (21), and the second positioning grooves (213) are opposite to the first positioning grooves (116).
4. The cold-rolled silicon steel sheet for a power transformer as claimed in claim 1, wherein: the first protruding portion (114), the first recessed portion (115), the second protruding portion (211) and the second recessed portion (212) are all arranged to be of a dovetail structure, the first protruding portion (114) is spliced with the second recessed portion (212), and the first recessed portion (115) is spliced with the second protruding portion (211) respectively.
5. The cold-rolled silicon steel sheet for a power transformer as claimed in claim 4, wherein: first cutting ferrule (3) card and in the concatenation department outside of first depressed part (115) and second bulge (211), and first cutting ferrule (3) interpolation is equipped with first pin (5), set up first locating pin hole (6) that are convenient for first pin (5) male on second bulge (211).
6. The cold-rolled silicon steel sheet for a power transformer as claimed in claim 4, wherein: the second clamping sleeve (4) is clamped outside the splicing position of the first protruding portion (114) and the second concave portion (212), a second pin (7) is inserted into the second clamping sleeve (4), and a second positioning pin hole (8) which is convenient for the second pin (7) to insert is formed in the first protruding portion (114).
7. The cold-rolled silicon steel sheet for a power transformer as claimed in claim 1, wherein: third positioning pin holes (9) are formed in the two sides and the middle of the transverse steel sheet (111), and third pins (10) are inserted into the third positioning pin holes (9).
8. The cold-rolled silicon steel sheet for a power transformer as claimed in claim 1, wherein: the first clamping sleeve (3) and the second clamping sleeve (4) are both made of cold-rolled silicon steel sheet materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221243459.0U CN217788159U (en) | 2022-05-23 | 2022-05-23 | Cold-rolled silicon steel sheet for power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221243459.0U CN217788159U (en) | 2022-05-23 | 2022-05-23 | Cold-rolled silicon steel sheet for power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217788159U true CN217788159U (en) | 2022-11-11 |
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ID=83909720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221243459.0U Active CN217788159U (en) | 2022-05-23 | 2022-05-23 | Cold-rolled silicon steel sheet for power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217788159U (en) |
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2022
- 2022-05-23 CN CN202221243459.0U patent/CN217788159U/en active Active
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