CN114242426A - Angle-adjustable flexible and straight transformer lead wire pressure equalizing pipe joint - Google Patents
Angle-adjustable flexible and straight transformer lead wire pressure equalizing pipe joint Download PDFInfo
- Publication number
- CN114242426A CN114242426A CN202111245259.9A CN202111245259A CN114242426A CN 114242426 A CN114242426 A CN 114242426A CN 202111245259 A CN202111245259 A CN 202111245259A CN 114242426 A CN114242426 A CN 114242426A
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- China
- Prior art keywords
- shielding pipe
- pipe joint
- lead wire
- angle
- section splicing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cable Accessories (AREA)
Abstract
The invention provides an angle-adjustable flexible-straight transformer lead wire pressure equalizing pipe joint, which comprises: the front section splicing shielding pipe, the rear section splicing shielding pipe and the shielding pipe joint further comprise a pressing fixing plate and a fastening screw; the end of the front section splicing shielding pipe and the end of the rear section splicing shielding pipe are respectively inserted into a shielding pipe joint, when the angle of the front section splicing shielding pipe and the angle of the rear section splicing shielding pipe are adjusted to reasonable positions, a fixing plate is fixedly pressed through the fastening screw, and the front section splicing shielding pipe and the rear section splicing shielding pipe which are fastened by the screw wrap the insulating paper.
Description
Technical Field
The invention relates to the technical field of power transmission and transformation, in particular to an angle-adjustable flexible-straight transformer lead wire pressure equalizing pipe joint.
Background
With the rapid development of flexible direct-current power transmission, the capacity requirement of the flexible direct-current transformer is increased, and the outgoing line type of the flexible direct-current transformer is also complicated. The working current of the large-capacity flexible-direct transformer is relatively large, so that a connecting lead from a winding of the flexible-direct transformer to a sleeve has a relatively large passing current, and in order to ensure the safety of a magnetic field in the flexible-direct transformer, an aluminum pipe or a copper pipe needs to be penetrated into a lead-out path of the large-current lead in the flexible-direct transformer to shield the magnetic field for the lead.
Along with the design of going out of gentle straight transformer more and more complicated, the heavy current lead wire needs buckle many times at the inside in-process of drawing forth of gentle straight transformer, and the shape of the shielding pipe of protection lead wire also must move towards with the lead wire unanimously, and general heavy current lead wire needs adjust direction and angle many times in gentle straight transformer inside, and the shielding pipe also has to be designed into the special-shaped pipeline that is formed by the simple straight tube of multistage or return bend concatenation along with the trend of lead wire. The accuracy of the angle and the direction of each section of connection is required to be ensured in the multi-section splicing process of the shielding pipe. However, in the actual production and assembly process, the assembly problem is caused by tolerance accumulation after the multiple sections of shielding pipes are spliced according to different directions and angles.
Disclosure of Invention
The invention aims to provide an angle-adjustable flexible-straight transformer lead wire pressure equalizing pipe joint to solve the technical problems in the prior art.
The invention provides a flexible and straight transformer lead wire voltage-sharing tube with adjustable angle, which comprises:
the front section is spliced with a shielding pipe, and the rear section is spliced with a shielding pipe and a shielding pipe joint;
the front section splicing shielding pipe and the rear section splicing shielding pipe are connected through the shielding pipe joint.
In some embodiments, the pipe joint further comprises: compressing the fixing plate and the fastening screw;
the end of the front section splicing shielding pipe and the end of the rear section splicing shielding pipe are respectively inserted into the shielding pipe joint, and when the angle of the front section splicing shielding pipe and the angle of the rear section splicing shielding pipe are adjusted to a reasonable position, the fixing plate is fixedly compressed by the fastening screws.
In some embodiments, the compression retaining plate is in the mechanism of the shielded pipe joint.
In some embodiments, there are three fixing plates in the shield pipe joint structure.
In some embodiments, two screw fastenings per fixation plate are required.
In some embodiments, the screw position holes of the shield pipe joint are designed as counterbores.
In some embodiments, the fixing plate is designed with a screw hole for mounting the screw.
In some embodiments, the threaded hole on the fixing plate is provided with a threaded sleeve.
In some embodiments, the contact position of the fixing plate with the end head of the front-section splicing shielding pipe and the end head of the rear-section splicing shielding pipe is designed with a ridge.
In some embodiments, the pipe joint further comprises an insulating paper; the front section spliced shielding pipe and the rear section spliced shielding pipe fastened by screws wrap the insulating paper
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the utility model provides a pair of structure perfect of but angle regulation's gentle straight transformer lead wire equalizer tube connects has guaranteed the accuracy nature of shielding pipe concatenation angle, has eliminated the influence of error to assembly angle, and this joint design not only can satisfy between the concatenation shielding pipe that the electrical contact requirement also can satisfy the intensity requirement of concatenation simultaneously, has improved the qualification rate of the special-shaped shielding pipe production that is formed by the multistage concatenation and assembly. The flexible direct-current transformer can be comprehensively suitable for flexible direct-current transformers of various voltage levels, and is favorable for the rapid development of the flexible direct-current power transmission and transformation industry in China.
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 embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of a spliced shielding tube used in the present invention;
FIG. 2 is a top view of a spliced shielding tube used in the present invention;
FIG. 3 is a side view of a spliced shielded tube used in the present invention;
FIG. 4 is a front view of a shielded pipe joint construction used in the present invention;
FIG. 5 is a cross-sectional view of a shield tube joint construction;
FIG. 6 is a front view of the stationary plate;
FIG. 7 is a top view of the retaining plate;
fig. 8 is a partial view of the insulated shield tube coupling portion.
In the figure: 1-anterior segment concatenation shielding pipe, 2-back end concatenation shielding pipe, 3-shielded tube connects, 4-fixed plate, 5-bolt, 6-insulating paper.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
Example (b):
as shown in fig. 1, 2 and 3, the present application provides an adjustable angle flexible-to-straight transformer lead wire pressure equalizing pipe joint, comprising: the front section is spliced with a shielding pipe 1, and the rear section is spliced with a shielding pipe 2 and a shielding pipe joint 3;
the front section splicing shielding pipe 1 and the rear section splicing shielding pipe 2 are connected through the shielding pipe joint 3.
According to the above solution, as shown in fig. 4 and 5, the pipe joint further includes: a pressing fixing plate 4 and a fastening screw 5;
the end of the front-section spliced shielding pipe 1 and the end of the rear-section spliced shielding pipe 2 are respectively inserted into a shielding pipe joint 3, and when the angles of the front-section spliced shielding pipe 1 and the rear-section spliced shielding pipe 2 are adjusted to reasonable positions, a fixing plate 4 is pressed tightly through a fastening screw 5, so that the front-section spliced shielding pipe 1 and the rear-section spliced shielding pipe 2 are clamped and fixed; the structure of the shielding pipe joint 3 is provided with three fixing plates 4, each fixing plate 4 needs to be fastened by two screws 5, and screw position holes of the shielding pipe joint 3 are designed to be counter bores, so that no protrusion is generated after the shielding pipe joint is assembled with the screws 5; the screw 5 must be a socket head cap screw to ensure that the screw can withstand high tightening torque.
In some embodiments, as shown in fig. 6 and 7, in order to ensure that the fixing plate 4 can clamp and fix the front-section spliced shielding tube 1 and the rear-section spliced shielding tube 2, the contact positions of the fixing plate 4 and the end of the front-section spliced shielding tube 1 and the end of the rear-section spliced shielding tube 2 are designed with ridges, and it is also ensured that the electrical contact meets the design requirements; the fixing plate 4 is provided with a threaded hole for mounting the screw 5, and the threaded hole in the fixing plate 4 is required to be additionally provided with a threaded sleeve to prevent the bolt from being buckled in a sliding manner.
According to the above solution, in some embodiments, it is preferable that, as shown in fig. 8, the pipe joint further includes an insulating paper 6; after 5 fastens of screw, anterior segment concatenation shielding pipe 1 and back end concatenation shielding pipe 2 no longer rotate at will, then after the fastening anterior segment concatenation shielding pipe 1 with the half-lap package sufficient insulation paper 6 of back end concatenation shielding pipe 2, insulation paper 6 make the shielding pipe can satisfy the needs of electric field design promptly also further strengthened its concatenation intensity.
The flexible straight transformer lead wire equalizer tube joint of adjustable angle that this application embodiment discloses, the accuracy nature of the assurance shielding pipe concatenation angle that can be perfect has eliminated the influence of error to the assembly angle, and this joint design not only can satisfy between the concatenation shielding pipe that the electrical contact requires also can satisfy the intensity requirement of concatenation simultaneously, has improved the qualification rate of the production of special-shaped shielding pipe and the assembly that is formed by the multistage concatenation. The flexible direct current transformer can be comprehensively applied to various voltage levels.
While this specification contains many specific implementation details, these should not be construed as limitations on the scope of any invention or of what may be claimed, but rather as descriptions of features specific to particular embodiments of particular inventions. Certain features that are described in this specification in the context of separate embodiments can also be implemented in combination in a single embodiment. In other instances, features described in connection with one embodiment may be implemented as discrete components or in any suitable subcombination. Moreover, although features may be described above as acting in certain combinations and even initially claimed as such, one or more features from a claimed combination can in some cases be excised from the combination, and the claimed combination may be directed to a subcombination or variation of a subcombination.
Similarly, while operations are depicted in the drawings in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. In some cases, multitasking and parallel processing may be advantageous. Moreover, the separation of various system modules and components in the embodiments described above should not be understood as requiring such separation in all embodiments, and it should be understood that the described program components and systems can generally be integrated together in a single software product or packaged into multiple software products.
Thus, particular embodiments of the subject matter have been described. Other embodiments are within the scope of the following claims. In some cases, the actions recited in the claims can be performed in a different order and still achieve desirable results. Further, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some implementations, multitasking and parallel processing may be advantageous.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An adjustable angle flexible-straight transformer lead wire pressure equalizing pipe joint, characterized in that, the pipe joint includes: the front section is spliced with a shielding pipe, and the rear section is spliced with a shielding pipe and a shielding pipe joint;
the front section splicing shielding pipe and the rear section splicing shielding pipe are connected through the shielding pipe joint.
2. The adjustable angle flexible-to-straight transformer lead wire pressure equalizing pipe joint of claim 1, further comprising: compressing the fixing plate and the fastening screw;
the end of the front section splicing shielding pipe and the end of the rear section splicing shielding pipe are respectively inserted into the shielding pipe joint, and when the angle of the front section splicing shielding pipe and the angle of the rear section splicing shielding pipe are adjusted to a reasonable position, the fixing plate is fixedly compressed by the fastening screws.
3. The angle adjustable flexible-to-straight transformer lead wire grading tube joint of claim 2, wherein said compression fixation plate is in the mechanism of said shielded tube joint.
4. The angle adjustable flexible-direct transformer lead wire voltage equalizing pipe joint according to claim 3, wherein there are three fixing plates in the shielding pipe joint structure.
5. The adjustable angle flexible direct transformer lead wire pressure equalizing pipe joint according to claim 4, wherein two screws are required for fastening each fixing plate.
6. The adjustable angle flexible-to-straight transformer lead wire pressure equalizing pipe joint of claim 5, wherein the screw position holes of the shield pipe joint are designed as counter bores.
7. The adjustable angle flexible-direct transformer lead wire pressure equalizing pipe joint according to claim 6, wherein the fixing plate is designed with a threaded hole for mounting the screw.
8. The adjustable angle flexible-direct transformer lead wire pressure equalizing pipe joint according to claim 7, wherein the threaded hole on the fixing plate is provided with a threaded sleeve.
9. The flexible direct transformer lead wire voltage-sharing pipe joint capable of adjusting the angle according to claim 2, wherein the contact positions of the fixing plate and the ends of the front-section splicing shielding pipe and the rear-section splicing shielding pipe are designed with ridges.
10. The adjustable angle flexible-to-direct transformer lead wire grading tube joint of claim 2, wherein said tube joint further comprises an insulating paper; the front section splicing shielding pipe and the rear section splicing shielding pipe which are fastened by screws wrap the insulating paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245259.9A CN114242426A (en) | 2021-10-26 | 2021-10-26 | Angle-adjustable flexible and straight transformer lead wire pressure equalizing pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245259.9A CN114242426A (en) | 2021-10-26 | 2021-10-26 | Angle-adjustable flexible and straight transformer lead wire pressure equalizing pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114242426A true CN114242426A (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111245259.9A Pending CN114242426A (en) | 2021-10-26 | 2021-10-26 | Angle-adjustable flexible and straight transformer lead wire pressure equalizing pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114242426A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202930171U (en) * | 2012-11-22 | 2013-05-08 | 特变电工沈阳变压器集团有限公司 | Adjusting device for valve side lead of a converter transformer |
| CN203617092U (en) * | 2013-12-20 | 2014-05-28 | 保定天威保变电气股份有限公司 | Center positioning structure for cable in lead shielding tubes |
| CN203617100U (en) * | 2013-12-20 | 2014-05-28 | 保定天威保变电气股份有限公司 | Extra-high voltage converter transformer lead screening tube adjusting structure |
-
2021
- 2021-10-26 CN CN202111245259.9A patent/CN114242426A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202930171U (en) * | 2012-11-22 | 2013-05-08 | 特变电工沈阳变压器集团有限公司 | Adjusting device for valve side lead of a converter transformer |
| CN203617092U (en) * | 2013-12-20 | 2014-05-28 | 保定天威保变电气股份有限公司 | Center positioning structure for cable in lead shielding tubes |
| CN203617100U (en) * | 2013-12-20 | 2014-05-28 | 保定天威保变电气股份有限公司 | Extra-high voltage converter transformer lead screening tube adjusting structure |
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