CN217689064U - Auxiliary wiring device for power transformer test - Google Patents
Auxiliary wiring device for power transformer test Download PDFInfo
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- CN217689064U CN217689064U CN202221150031.1U CN202221150031U CN217689064U CN 217689064 U CN217689064 U CN 217689064U CN 202221150031 U CN202221150031 U CN 202221150031U CN 217689064 U CN217689064 U CN 217689064U
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Abstract
The utility model relates to an auxiliary wiring device for power transformer test, which comprises a conductive main body, wherein wiring devices are respectively arranged on two opposite sides of the guide pillar main body; the wiring device comprises a plurality of wiring clamps; the jointing clamp comprises a fixed clamping piece, a movable clamping piece, a connecting shaft and a torsional spring, wherein the fixed clamping piece is connected to the conductive main body, one end of the movable clamping piece is a connecting end, the other end of the movable clamping piece is a free end, the connecting end is connected with the fixed clamping piece through the connecting shaft, the torsional spring is sleeved on the connecting shaft, two ends of the torsional spring are respectively abutted against the fixed clamping piece and the movable clamping piece, and the free end is abutted against or away from the fixed clamping piece through the connecting end; one side of the free end facing the fixed clamping piece is provided with a convex strip, and the fixed clamping piece is provided with a groove matched with the convex strip. Through the matching of the raised line and the groove of the movable clamping piece, the electric wire is limited and firmly clamped, the electric wire is prevented from falling or being connected firmly, and the electric wire is not in good contact, the special clamp is realized, the operation difficulty is reduced, the operation steps are simplified, and the whole test efficiency and safety are improved.
Description
Technical Field
The utility model relates to a termination especially relates to an experimental auxiliary connection device that uses of power transformer.
Background
In order to ensure the quality of the transformer, the transformer needs to be tested, the test items of the large-scale transformer are more, frequent wiring needs to be carried out on the transformer in the test process, the wiring is complicated, the wiring efficiency is low, particularly, the transformer insulation test, the transformer short-circuit impedance test, the transformer winding deformation test and the like all relate to the condition of multipoint connection at one point, but in the actual operation process, when a plurality of test wirings are wound and fixed at one position, the operation is complex, the risk of wire falling of the test wirings also exists, and therefore the overall efficiency and safety of the transformer test are influenced.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a power transformer is experimental with supplementary termination.
The utility model provides a technical scheme that its technical problem adopted is: an auxiliary wiring device for a power transformer test comprises a conductive main body, wherein wiring devices are respectively arranged on two opposite sides of the conductive main body;
the wiring device on one side is connected with the test instrument through a wire, and the wiring device on the other side is connected with the transformer through a wire; the wiring device comprises a plurality of wiring clamps;
the jointing clamp comprises a fixed clamping piece, a movable clamping piece, a connecting shaft and a torsional spring, wherein the fixed clamping piece and the movable clamping piece are both made of conductive materials, the fixed clamping piece is connected to a conductive main body, one end of the movable clamping piece is a connecting end, the other end of the movable clamping piece is a free end, the connecting end is connected with the fixed clamping piece through the connecting shaft, the torsional spring is sleeved on the connecting shaft, two ends of the torsional spring are respectively abutted against the fixed clamping piece and the movable clamping piece, and the free end is abutted against or away from the fixed clamping piece through the connecting end;
the clamping piece is characterized in that one side, facing the fixed clamping piece, of the free end is provided with a convex strip, and the fixed clamping piece is provided with a groove matched with the convex strip.
In a preferred embodiment of the present invention, the groove is disposed along a length or a width direction of the fixing clip.
In a preferred embodiment of the present invention, the protruding strip is an arc protruding toward the fixing clip.
In a preferred embodiment of the present invention, the conductive body includes a conductive body, a translational conductive block and a lifting conductive block;
a cavity is arranged in the conductive main body, a circular lifting conductive block is arranged at the bottom end in the cavity, translation sliding grooves are respectively formed in the left side and the right side of the cavity, and the translation conductive block is arranged in the translation sliding grooves and can move left and right along the translation sliding grooves; one side of the conductive body is connected with the wiring device, the other side of the conductive body faces the translation conductive block, a conductive groove is formed in one side of the conductive body facing the translation conductive block, a conductive column is arranged on one side of the translation conductive block facing the conductive body and matched with the conductive groove, and when the two translation conductive columns are in an original state, a distance is reserved between the two translation conductive columns and is smaller than the outer diameter of the lifting conductive block;
when the lifting conductive block is positioned between the two translation conductive blocks, the translation conductive blocks are extruded, the conductive columns are inserted into the conductive grooves in a matching manner, the conductive main body is connected, and the conductive main body is in a power-on state; when the lifting conductive block is positioned at the lower part of the two translation conductive blocks, the conductive column is separated from the conductive groove, the conductive main body is disconnected, the conductive main body is in a circuit breaking state, and the distance between the two translation conductive blocks is smaller than the outer diameter of the lifting conductive block.
In a preferred embodiment of the present invention, the outer ring of the conductive pillar is provided with a spring, one end of the spring is connected to the translational conductive block, and the other end is connected to the conductive body.
In a preferred embodiment of the present invention, the side of the translation conductive block facing the lifting conductive block is a convex arc shape facing the lifting conductive block, and the outer ring of the lifting conductive block is an outward convex arc surface.
In a preferred embodiment of the present invention, the lifting conductive block is connected to a lifting screw at the top end thereof, and the other end of the lifting screw extends out of the conductive body.
The utility model has the advantages that: this termination's one side of the fixed clamping piece of free end orientation is equipped with the sand grip, be equipped with the recess that matches with the sand grip on the fixed clamping piece, but the electric wire is directly placed in the recess of fixed clamping piece, sand grip and the matching of recess through the activity clamping piece, further realize spacing and firm centre gripping to the electric wire, avoid the electric wire to fall or connect jail, the emergence of the not good condition of contact, when testing a plurality of points to the transformer, it is special to realize special clamp, can avoid the phenomenon that many experimental wiring confusion were placed to appear, not only the operation degree of difficulty has been reduced, operation steps have been simplified, and when improving experimental wiring reliability, holistic experimental efficiency and safety have still been promoted.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the structure of the wire connecting clip of the present invention;
fig. 3 is a schematic view of the structure of the conductive main body of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
in the figure: a conductive body 1; a conductive body 101; a conductive groove 1011; translating the conductive block 102; a conductive post 1021; a spring 1022; a lifting conductive block 103; a cavity 104; a lifting screw 105; a translation chute 106; a jointing clamp 2; a fixing clip 201; a movable jaw 202; a connection end 2022; a free end 2021; a connecting shaft 203; a torsion spring 204; a rib 205; a recess 206.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the 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. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1: as shown in fig. 1 and 2, the auxiliary wiring device for testing the power transformer comprises a conductive main body 1, wherein wiring devices are respectively arranged on two opposite sides of the conductive main body 1;
the wiring device on one side is connected with the test instrument through a wire, and the wiring device on the other side is connected with the transformer through a wire; the wiring device comprises a plurality of wiring clamps;
the binding clip 2 includes fixed clamping piece 201, activity clamping piece 202, connecting axle 203 and torsional spring 204, fixed clamping piece 201 and activity clamping piece 202 all adopt conducting material to make, fixed clamping piece 201 is connected to electrically conductive main part 1, activity clamping piece 202 one end is link 2022, and one end is free end 2021, link 2022 pass through connecting axle 203 with fixed clamping piece 201 is connected, and the cover is equipped with torsional spring 204 on the connecting axle 203, torsional spring 204 both ends butt fixed clamping piece 201 and activity clamping piece 202 respectively, free end 2021 is the butt or keeps away from fixed clamping piece through link 2022.
Use the utility model discloses a termination carries out transformer test when testing, can be earlier through the electrically conductive main part 1 one end of connection of electric lines and transformer, the electrically conductive main part 1 other end of rethread wire connection and test instrument, when testing a plurality of points to the transformer, can avoid the phenomenon that many experimental wiring confusion were placed to appear, has not only reduced the operation degree of difficulty, has simplified operating procedure, and when improving experimental wiring reliability, has still promoted holistic experimental efficiency and safety moreover. During specific operation, at first the link of pressing down the activity clamping piece, then the free end of activity clamping piece keeps away from fixed clamping piece under the effect of connecting axle and torsional spring, can place the electric wire this moment between activity clamping piece and fixed clamping piece, releases the link of activity clamping piece, then the fixed clamping piece of free end butt, the realization is fixed to the electric wire, realizes being connected of binding clip and electric wire, in order to avoid the electric wire to drop or connect the emergence of the experimental unsafe condition that does not lead to the fact in the connection process, in this application be equipped with sand grip 205 on one side of free end 2021 orientation fixed clamping piece 201, be equipped with the recess 206 that matches with the sand grip on the fixed clamping piece, can the electric wire directly place in the recess of fixed clamping piece, through the matching of sand grip and the recess of activity clamping piece, further realize spacing and firm centre gripping to the electric wire, avoid the electric wire to drop or connect the emergence of the not firm, the not good condition of contact.
In order to realize that the electric wire is quick and effectively with the direct contact of fixed clamping piece, this application recess 206 is followed fixed clamping piece 201 length or width direction set up, the preparation is convenient, and the simple to operate of electric wire is swift. In order to avoid the damage of sand grip and recess to the electric wire, also avoid the emergence of the bad contact condition between electric wire and activity clamping piece, fixed clamping piece simultaneously, this application the sand grip is to the convex arc of fixed clamping piece direction, avoids sand grip and recess to the damage of electric wire.
Example 2: the present embodiment has the same structure as embodiment 1, except for the structure of the conductive main body, specifically, as shown in fig. 3 and 4, the conductive main body includes a conductive body 101, a translation conductive block 102, and a lifting conductive block 103;
a cavity 104 is arranged in the conductive main body 1, a lifting conductive block 103 is arranged at the bottom end in the cavity 104, and the lifting conductive block can move up and down along the cavity, specifically, as a preferred mode, the top end of the lifting conductive block 103 of the present application is connected with a lifting screw 105, and the other end of the lifting screw 105 extends out of the conductive main body, so that the lifting or the falling of the lifting conductive block can be realized by driving the rotation of the lifting screw 105; the left side and the right side of the cavity 104 are respectively provided with a translation sliding chute 106, and the translation conductive block 102 is arranged in the translation sliding chute 106 and can move left and right along the translation sliding chute 106; the wiring device is connected to 1 side of conductive body, and the opposite side is towards translation conductive block 102, and towards translation conductive block 102 be equipped with electrically conductive recess 1011 on conductive body 101 one side, translation conductive block 102 is equipped with on one side of conductive body and leads electrical pillar 1021, it matches to lead electrical pillar 1021 with electrically conductive recess 1011, and when two translations were led electrical pillar and were in original state, the interval was left between two translation conductive pillar, and the interval is less than the external diameter of lift conductive block. After the test instrument and the transformer are respectively connected with the conductive body, the lifting conductive block is lifted by driving the lifting screw rod to rotate until the lifting conductive block is positioned between the two translation conductive blocks, the lifting conductive block respectively extrudes the translation conductive blocks at two sides, so that the conductive columns of the translation conductive blocks are inserted into the conductive grooves in a matching manner, the conductive main body is connected, and the conductive main body is in a power-on state at the moment; when the lifting conductive block moves to the lower positions of the two translation conductive blocks, the translation conductive blocks reset, specifically, as a preferred mode, a spring 1022 is arranged on the outer ring of the conductive post 1021, one end of the spring 1022 is connected to the translation conductive block, and the other end is connected to the conductive body, namely, the reset of the translation conductive block is realized through the spring, the conductive post 1021 is separated from the conductive groove 1011, the conductive main body 1 is disconnected, at this time, the open circuit state is realized, and at this time, the distance between the two translation conductive blocks is smaller than the outer diameter of the lifting conductive block.
The utility model discloses simple structure, convenient operation through the setting of recess on sand grip and the fixation clamp piece on the activity holder, has increaseed the fixed to the electric wire, effectively avoids the electric wire to drop, has improved the stability and the security of wiring in the transformer test process. The lifting conductive block is controlled to lift, so that the lifting conductive block and the translation conductive block are connected and disconnected, the safety of the wiring device is further improved, the conductive main body can be disconnected during wiring operation, and the conductive main body is connected after wiring is completed, so that the safety of the wiring device is greatly improved.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention is to be determined by the appended claims.
Claims (7)
1. The auxiliary wiring device for the power transformer test is characterized by comprising a conductive main body, wherein wiring devices are respectively arranged on two opposite sides of the conductive main body;
the wiring device on one side is connected with the test instrument through a wire, and the wiring device on the other side is connected with the transformer through a wire; the wiring device comprises a plurality of wiring clamps;
the jointing clamp comprises a fixed clamping piece, a movable clamping piece, a connecting shaft and a torsional spring, wherein the fixed clamping piece and the movable clamping piece are both made of conductive materials, the fixed clamping piece is connected to the conductive main body, one end of the movable clamping piece is a connecting end, the other end of the movable clamping piece is a free end, the connecting end is connected with the fixed clamping piece through the connecting shaft, the torsional spring is sleeved on the connecting shaft, two ends of the torsional spring are respectively abutted against the fixed clamping piece and the movable clamping piece, and the free end is abutted against or far away from the fixed clamping piece through the connecting end;
the free end is provided with a convex strip on one side facing the fixed clamping piece, and the fixed clamping piece is provided with a groove matched with the convex strip.
2. The auxiliary wiring device for power transformer test as claimed in claim 1, wherein said groove is provided along the length or width direction of said fixing clip.
3. The auxiliary wiring device for power transformer test as claimed in claim 2, wherein said protruding strip is an arc shape protruding toward the fixing clip.
4. The auxiliary wiring device for the power transformer test as claimed in claim 1, wherein the conductive main body comprises a conductive body, a translational conductive block and a lifting conductive block;
a cavity is arranged in the conductive main body, a circular lifting conductive block is arranged at the bottom end in the cavity, translation sliding grooves are respectively formed in the left side and the right side of the cavity, and the translation conductive block is arranged in the translation sliding grooves and can move left and right along the translation sliding grooves; one side of the conductive body is connected with the wiring device, the other side of the conductive body faces the translation conductive block, a conductive groove is formed in one side of the conductive body facing the translation conductive block, a conductive column is arranged on one side of the translation conductive block facing the conductive body, the conductive column is matched with the conductive groove, and when the two translation conductive columns are in an original state, a distance is reserved between the two translation conductive columns and is smaller than the outer diameter of the lifting conductive block;
when the lifting conductive block is positioned between the two translation conductive blocks, the translation conductive blocks are extruded, the conductive columns are inserted into the conductive grooves in a matching manner, the conductive main body is connected, and the conductive main body is in a power-on state; when the lifting conductive block is positioned at the lower part of the two translation conductive blocks, the conductive column is separated from the conductive groove, the conductive main body is disconnected, the conductive main body is in a circuit breaking state, and the distance between the two translation conductive blocks is smaller than the outer diameter of the lifting conductive block.
5. The auxiliary wiring device for power transformer test as claimed in claim 4, wherein the conductive column outer ring is provided with a spring, one end of the spring is connected to the translational conductive block, and the other end of the spring is connected to the conductive body.
6. The auxiliary wiring device for the power transformer test as claimed in claim 4, wherein the side of the translation conductive block facing the lifting conductive block is an arc protruding towards the lifting conductive block, and the outer ring of the lifting conductive block is an arc surface protruding outwards.
7. The auxiliary wiring device for the power transformer test as claimed in claim 5, wherein the top end of the lifting conductive block is connected with a lifting screw, and the other end of the lifting screw extends out of the conductive body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221150031.1U CN217689064U (en) | 2022-05-14 | 2022-05-14 | Auxiliary wiring device for power transformer test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221150031.1U CN217689064U (en) | 2022-05-14 | 2022-05-14 | Auxiliary wiring device for power transformer test |
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| Publication Number | Publication Date |
|---|---|
| CN217689064U true CN217689064U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221150031.1U Active CN217689064U (en) | 2022-05-14 | 2022-05-14 | Auxiliary wiring device for power transformer test |
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| Country | Link |
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| CN (1) | CN217689064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117095920A (en) * | 2023-08-25 | 2023-11-21 | 广东中质检测技术有限公司 | High-voltage test transformer |
-
2022
- 2022-05-14 CN CN202221150031.1U patent/CN217689064U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117095920A (en) * | 2023-08-25 | 2023-11-21 | 广东中质检测技术有限公司 | High-voltage test transformer |
| CN117095920B (en) * | 2023-08-25 | 2024-02-13 | 广东中质检测技术有限公司 | High-voltage test transformer |
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