CN115754360A - Test transformer voltage-sharing device with automatic wire winding function - Google Patents

Abstract

The invention discloses a test transformer voltage-sharing device with an automatic wire-rewinding function, belongs to the technical field of electrical tests, and solves the technical problem that the redundant part of a lead is easy to knot and wind. It includes first ring and second ring, first ring sets up in the top of second ring, is equipped with the connection pad between first ring and the second ring, the upper end fixedly connected with a plurality of upper struts that upwards extend of connection pad, the upper end of upper strut all with first ring fixed connection. The lower end of the connecting disc is fixedly connected with a plurality of lower support rods extending downwards, and the lower ends of the lower support rods are fixedly connected with the second ring. The wire winding device is characterized in that a wiring terminal is arranged on the connecting disc, a lead is connected to the wiring terminal, a connecting rod is fixedly connected to the lower end of the connecting disc, and a wire winding assembly used for winding and unwinding the lead is arranged on the connecting rod.

Description

Test transformer voltage-sharing device with automatic wire winding function

Technical Field

The invention belongs to the technical field of electrical tests, and particularly relates to a test transformer voltage-sharing device with an automatic wire take-up function.

Background

The test transformer is produced by greatly improving the original similar products according to the standard of 'test transformer' of the electromechanical department, and the test transformer is widely applied to the alternating current withstand voltage experiment of electrical equipment. The grading ring mainly has the function of grading, is suitable for alternating voltage, can uniformly distribute high voltage around an object, and ensures that no potential difference exists among all annular parts, thereby achieving the effect of grading. The testing transformer is in the experimentation because of the size of different equipment, height and site work environment's difference, and required high-voltage lead wire length is different, and in order to satisfy different experimental needs, the high-voltage lead wire adopts the long stranded bare copper line of length usually, leads to the unnecessary part of high-voltage lead wire to need the winding processing in the use, and stranded bare copper line exists the arrangement inconvenient, the winding scheduling problem of knoing easily, work efficiency is low in the in-service use, has certain potential safety hazard.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a test transformer voltage-sharing device with an automatic wire-rewinding function, which solves the technical problem that the redundant part of a lead is easy to knot and wind.

The invention is realized by the following technical scheme: a test transformer voltage-sharing device with an automatic wire-rewinding function comprises a first ring and a second ring, wherein the first ring is arranged above the second ring, a connecting disc is arranged between the first ring and the second ring, a plurality of upper supporting rods extending upwards are fixedly connected to the upper end of the connecting disc, and the upper ends of the upper supporting rods are fixedly connected with the first ring; the lower end of the connecting disc is fixedly connected with a plurality of lower support rods extending downwards, and the lower ends of the lower support rods are fixedly connected with the second ring; the wire winding device is characterized in that a wiring terminal is arranged on the connecting disc, a lead is connected to the wiring terminal, a connecting rod is fixedly connected to the lower end of the connecting disc, and a wire winding assembly used for winding and unwinding the lead is arranged on the connecting rod.

Furthermore, a limiting disc is fixedly arranged on the connecting rod, a round hole is formed in the disc belly of the limiting disc, and the lower end of the lead downwards penetrates through the round hole.

Further, the outer diameter of the lead is smaller than the inner diameter of the round hole; the lead is located one section of spacing dish top is fixed and is equipped with spacing ball, the diameter of spacing ball is greater than the diameter of round hole.

Furthermore, the wire take-up assembly comprises a butt joint barrel fixedly connected to the lower end of the connecting rod, an upper hem is fixedly arranged at the upper end of the butt joint barrel, and a lower hem is fixedly arranged at the lower end of the butt joint barrel.

Furthermore, a wire collecting space for containing the lead is arranged between the upper ruffle and the lower ruffle; the lower end of the butt joint barrel is provided with a butt joint notch.

Furthermore, a through hole is formed in the plate surface of the upper hem, the lower end of the lead downwards penetrates through the through hole, and the inner diameter of the through hole is larger than the outer diameter of the lead; the butt joint notch is formed in the bottom of the butt joint barrel along the extending direction of the butt joint barrel, and the depth of the butt joint notch extends to the position of four fifths of the length of the butt joint barrel.

Further, the connection pad includes the disk body and with disk body fixed connection's connecting portion, six last connecting holes have been seted up to the upper end of connecting portion, it is six to go up branch, and every lower extreme of going up branch all pegs graft to rather than corresponding last connecting hole inside.

Furthermore, six lower connecting holes are formed in the lower end of the connecting portion, the six lower connecting holes and the six upper connecting holes are correspondingly arranged, the number of the lower supporting rods is six, and the upper end of each lower supporting rod is inserted into the corresponding lower connecting hole.

Furthermore, the upper connecting hole and the lower connecting hole are obliquely arranged, and the upper supporting rod and the lower supporting rod are obliquely arranged.

Furthermore, the wire winding space is formed by the space between the upper ruffle and the lower ruffle, and the lead is wound in the wire winding space from top to bottom; the lower end of the lead penetrates through the wire clamping box and extends partially outside the wire clamping box.

The invention has the beneficial effects that: through set up the connection pad between first ring and second ring, set up the connecting rod on the connection pad, set up on the connecting rod and receive the line subassembly, among the electrical equipment alternating current withstand voltage test, utilize receiving the regular neat accomodating of line subassembly can relax with unnecessary lead wire, the arrangement is convenient, is difficult for knoing, and the lead wire is not in disorder to make withstand voltage test in-process safer. The first ring and the second ring are used for uniformly distributing high voltage around, and no potential difference is ensured between all annular parts, so that the effect of voltage sharing is achieved. During the use, will receive a butt joint section of thick bamboo rotation of line subassembly and cup joint on the spliced pole of high-voltage bushing upper end, according to the operational environment of difference, wholly rotate and receive line subassembly and connecting rod, and then release required high-voltage lead wire length, the lead wire is released from receiving the line subassembly, releases to needs length after, utilizes the length joint of the card line box on receiving the line subassembly with the lead wire release to fix. After withstand voltage test ends, at first will block the line box and loosen with the lead wire, the connection rod and receive the line subassembly are rotated to the antiport, and inside the lead wire was received into by quick accomodating, convenient and fast improved operation work efficiency.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic vertical sectional view of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic top perspective view of the present invention;

FIG. 5 is a schematic bottom perspective view of the present invention;

FIG. 6 is a schematic top view of the present invention;

FIG. 7 is a schematic bottom view of the present invention;

FIG. 8 is an enlarged view of A of FIG. 1 in accordance with the present invention;

fig. 9 is an enlarged view of B in fig. 4 according to the present invention.

In the figure: 1. a first ring; 2. a second ring; 3. a connecting disc; 4. an upper support rod; 5. a lower support rod; 6. a wiring terminal; 7. a lead wire; 8. a connecting rod; 9. a limiting disc; 10. a circular hole; 11. a limiting ball; 12. a docking barrel; 13. top ruffle; 14. bottom ruffles; 15. a notch is butted; 16. a through hole; 17. a connecting portion; 18. a wire clamping box.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, wherein all the directional terms in the present invention, such as up, down, front, back, left and right, are the directional terms with reference to fig. 1, and all the directional terms do not limit the present invention, but are only used for the purpose of more clearly explaining and explaining the present invention.

Example 1:

referring to fig. 1 to 9, the embodiment discloses a testing transformer voltage-sharing device with an automatic wire winding function, which includes a first ring 1 and a second ring 2, the first ring 1 is disposed above the second ring 2, a connecting disc 3 is disposed between the first ring 1 and the second ring 2, the upper end of the connecting disc 3 is fixedly connected with a plurality of upper support rods 4 extending upwards, and the upper ends of the upper support rods 4 are fixedly connected with the first ring 1. The lower end of the connecting disc 3 is fixedly connected with a plurality of downward extending lower support rods 5, and the lower ends of the lower support rods 5 are fixedly connected with the second ring 2. Be provided with binding post 6 on the connection pad 3, be connected with lead wire 7 on the binding post 6, the lower extreme fixedly connected with connecting rod 8 of connection pad 3 is provided with the line subassembly of receiving and releasing lead wire 7 on the connecting rod 8.

In this embodiment, lead wire 7 is stranded bare copper line promptly, through set up connection pad 3 between first ring 1 and second ring 2, sets up connecting rod 8 on connection pad 3, sets up the line subassembly of receiving on connecting rod 8, and in the electrical equipment alternating current withstand voltage test, utilize the line subassembly of receiving can relax with unnecessary lead wire 7 regular neat accomodating, the arrangement is convenient, is difficult for knoing, and lead wire 7 is not in disorder makes withstand voltage test in-process safer. The first ring 1 and the second ring 2 are used for uniformly distributing high voltage around, and ensure that no potential difference exists between each part of the ring, thereby achieving the effect of voltage sharing. During the use, will receive a butt joint section of thick bamboo 12 of line subassembly and rotate and cup joint on the spliced pole of high-voltage bushing upper end, according to the operational environment of difference, wholly rotate and receive line subassembly and connecting rod 8, and then release required high voltage lead 7 length, lead 7 is released from receiving the line subassembly, releases to needs length after, utilizes the length joint of the card line box 18 on receiving the line subassembly with lead 7 release to fix. After withstand voltage test ends, at first loosen card line box 18 and lead wire 7, the connecting rod 8 and receive the line subassembly of antiport, inside lead wire 7 was received into by quick accomodating, convenient and fast improved operation work efficiency.

Example 2:

referring to fig. 1 to 9, the embodiment discloses a testing transformer voltage-sharing device with an automatic wire winding function, which includes a first ring 1 and a second ring 2, the first ring 1 is disposed above the second ring 2, a connecting disc 3 is disposed between the first ring 1 and the second ring 2, the upper end of the connecting disc 3 is fixedly connected with a plurality of upper support rods 4 extending upwards, and the upper ends of the upper support rods 4 are fixedly connected with the first ring 1. The lower end of the connecting disc 3 is fixedly connected with a plurality of downward extending lower support rods 5, and the lower ends of the lower support rods 5 are fixedly connected with the second ring 2. The connecting disc 3 is provided with a wiring terminal 6, the wiring terminal 6 is connected with a lead 7, the lower end of the connecting disc 3 is fixedly connected with a connecting rod 8, and the connecting rod 8 is provided with a wire take-up assembly for taking up and paying off the lead 7.

For better effect, a limiting disc 9 is fixedly arranged on the connecting rod 8, a circular hole 10 is formed in the disc belly of the limiting disc 9, and the lower end of the lead 7 penetrates through the circular hole 10 downwards. The outer diameter of the lead 7 is smaller than the inner diameter of the circular hole 10. A section of the lead 7 above the limiting disc 9 is fixedly provided with a limiting ball 11, and the diameter of the limiting ball 11 is larger than that of the round hole 10. During the use, through the setting of spacing dish 9 and spacing ball 11, avoid lead wire 7 upper end and binding post 6 junction to receive the pulling force and break off by accident for the tie point of protection lead wire 7 and binding post 6 is more stable.

For better effect, the wire take-up assembly comprises a connecting rod 8 fixedly connected with the lower end of the connecting rod to a butt joint barrel 12, an upper hem 13 is fixedly arranged at the upper end of the butt joint barrel 12, and a lower hem 14 is fixedly arranged at the lower end of the butt joint barrel 12. A wire take-up space for accommodating the lead 7 is provided between the upper hem 13 and the lower hem 14. The lower end of the butt joint barrel 12 is provided with a butt joint notch 15. When the high-voltage bushing butt joint device is used, the butt joint notch 15 is rotatably sleeved on the connecting column at the upper end of the high-voltage bushing, and the inner wall of the butt joint notch 15 is rotatably connected with the connecting column. The wire take-up space functions to wind the lead wire 7 inside the wire take-up space when the docking drum 12 is rotated, or to release the lead wire 7 from the inside of the wire take-up space outward when the docking drum 12 is rotated (whether to take in or release the lead wire 7 depends on the rotation direction of the docking drum 12). The lead 7 can be easily and rapidly stored or released by rotation without mess.

For better effect, the plate surface of the upper hem 13 is provided with a through hole 16, the lower end of the lead 7 downwardly penetrates through the through hole 16, and the inner diameter of the through hole 16 is larger than the outer diameter of the lead 7. The docking slot 15 is opened from the bottom of the docking barrel 12 along the direction in which the docking barrel 12 extends, and the depth of the docking slot 15 extends to a position four fifths of the length of the docking barrel 12. The through hole 16 functions to facilitate the lead 7 to pass through the upper hem 13 to reach the inside of the wire take-up space. The depth of the butt joint notch 15 is set to be four fifths of that of the butt joint barrel 12, and the butt joint barrel 12 does not have lateral deviation when rotating on a connecting column of the high-voltage bushing so as to ensure the voltage-sharing effect of voltage.

For better effect, the connection disc 3 includes the disk body and with disk body fixed connection's connecting portion 17, six last connecting holes have been seted up to the upper end of connecting portion 17, go up branch 4 and be six, every lower extreme of going up branch 4 all pegs graft to rather than corresponding inside the last connecting hole. Six lower connecting holes are formed in the lower end of the connecting portion 17 and correspond to the six upper connecting holes, six lower supporting rods 5 are arranged, and the upper end of each lower supporting rod 5 is inserted into the corresponding lower connecting hole. Go up branch 4 and be used for supporting first ring 1, lower branch 5 is used for supporting second ring 2, all sets up six with last branch 4 and lower branch 5 respectively, and its effect makes first ring 1 and second ring 2 more stable when using.

For better effect, the upper connecting hole and the lower connecting hole are obliquely arranged, and the upper supporting rod 4 and the lower supporting rod 5 are obliquely arranged.

For better effect, the wire take-up space is formed by the space between the upper hem 13 and the lower hem 14, and the lead 7 is wound inside the wire take-up space from top to bottom. A wire clamping box 18 is fixedly arranged below the wire collecting space and on the upper side wall of the lower hem 14, and the lower end of the lead 7 penetrates through the wire clamping box 18 and partially extends outside the wire clamping box 18. The space between the upper ruffle 13 and the lower ruffle 14 is completely set to be the wire collecting space, so that the capacity of the wire collecting space is expanded to the maximum extent, and more leads 7 can be wound and stored in the wire collecting space conveniently.

In this embodiment, lead wire 7 is stranded bare copper line promptly, through set up connection pad 3 between first ring 1 and second ring 2, sets up connecting rod 8 on connection pad 3, sets up the line subassembly of receiving on connecting rod 8, and in the electrical equipment alternating current withstand voltage test, utilize the line subassembly of receiving can relax with unnecessary lead wire 7 regular neat accomodating, the arrangement is convenient, is difficult for knoing, and lead wire 7 is not in disorder makes withstand voltage test in-process safer. The first ring 1 and the second ring 2 are used for uniformly distributing high voltage around, and ensure that no potential difference exists between each part of the ring, thereby achieving the effect of voltage sharing. During the use, will receive a butt joint section of thick bamboo 12 of line subassembly and rotate and cup joint on the spliced pole of high-voltage bushing upper end, according to the operational environment of difference, wholly rotate and receive line subassembly and connecting rod 8, and then release required high voltage lead 7 length, lead 7 is released from receiving the line subassembly, releases to needs length after, utilizes the length joint of the card line box 18 on receiving the line subassembly with lead 7 release to fix. After withstand voltage test ends, at first loosen joint box 18 and lead wire 7, the wire subassembly is received to the antiport connecting rod 8 and receipts, inside lead wire 7 was received into receipts line subassembly by quick accomodating, convenient and fast improved operation work efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and its concept within the technical scope of the present invention.

Claims (10)

1. The utility model provides a take automatic test transformer voltage-sharing device who receives line function, includes first ring (1) and second ring (2), its characterized in that: the first ring (1) is arranged above the second ring (2), a connecting disc (3) is arranged between the first ring (1) and the second ring (2), a plurality of upper support rods (4) extending upwards are fixedly connected to the upper end of the connecting disc (3), and the upper ends of the upper support rods (4) are fixedly connected with the first ring (1); the lower end of the connecting disc (3) is fixedly connected with a plurality of lower support rods (5) extending downwards, and the lower ends of the lower support rods (5) are fixedly connected with the second ring (2); be provided with binding post (6) on connection pad (3), be connected with lead wire (7) on binding post (6), the lower extreme fixedly connected with connecting rod (8) of connection pad (3), be provided with on connecting rod (8) and be used for receiving and releasing the line subassembly of receiving of lead wire (7).

2. The test transformer voltage-sharing device with the automatic wire-rewinding function according to claim 1, characterized in that: the connecting rod (8) is fixedly provided with a limiting disc (9), a round hole (10) is formed in the disc belly of the limiting disc (9), and the lower end of the lead (7) penetrates through the round hole (10) downwards.

3. The test transformer voltage-sharing device with the automatic wire-rewinding function according to claim 2, characterized in that: the outer diameter of the lead (7) is smaller than the inner diameter of the round hole (10); the lead (7) is located one section above the limiting disc (9) is fixedly provided with a limiting ball (11), and the diameter of the limiting ball (11) is larger than that of the round hole (10).

4. The test transformer voltage-sharing device with the automatic wire-rewinding function as claimed in claim 1, wherein: the wire take-up assembly comprises a connecting rod (8) and a butt joint barrel (12) which is fixedly connected to the lower end of the connecting rod, an upper hem (13) is fixedly arranged at the upper end of the butt joint barrel (12), and a lower hem (14) is fixedly arranged at the lower end of the butt joint barrel (12).

5. The test transformer voltage-sharing device with the automatic wire-rewinding function according to claim 4, characterized in that: a wire collecting space for containing the lead (7) is arranged between the upper ruffle (13) and the lower ruffle (14); the lower end of the butt joint barrel (12) is provided with a butt joint notch (15).

6. The test transformer voltage-sharing device with the automatic wire-rewinding function according to claim 5, characterized in that: a through hole (16) is formed in the plate surface of the upper hem (13), the lower end of the lead (7) penetrates through the through hole (16) downwards, and the inner diameter of the through hole (16) is larger than the outer diameter of the lead (7); the butt joint notch (15) is formed in the extending direction of the butt joint barrel (12) from the bottom of the butt joint barrel (12), and the depth of the butt joint notch (15) extends to the position, four fifths of the length, of the butt joint barrel (12).

7. The test transformer voltage-sharing device with the automatic wire-rewinding function according to claim 1, characterized in that: connection pad (3) include the disk body and with disk body fixed connection's connecting portion (17), six last connecting holes have been seted up to the upper end of connecting portion (17), it is six to go up branch (4), and every lower extreme of going up branch (4) all pegs graft to rather than corresponding last connecting hole inside.

8. The test transformer voltage-sharing device with the automatic wire-rewinding function according to claim 7, characterized in that: six lower connecting holes are formed in the lower end of the connecting portion (17), the six lower connecting holes and the six upper connecting holes are correspondingly arranged, the number of the lower supporting rods (5) is six, and the upper end of each lower supporting rod (5) is connected to the corresponding lower connecting hole in an inserted mode.

9. The test transformer voltage-sharing device with the automatic wire-rewinding function according to claim 8, characterized in that: the upper connecting hole and the lower connecting hole are obliquely arranged, and the upper supporting rod (4) and the lower supporting rod (5) are obliquely arranged.

10. The test transformer voltage-sharing device with the automatic wire-rewinding function according to claim 5, characterized in that: the wire collecting space is formed by the space between the upper ruffle (13) and the lower ruffle (14), and the lead (7) is wound in the wire collecting space from top to bottom; a wire clamping box (18) is fixedly arranged below the wire collecting space and on the upper side wall of the lower hem (14), and the lower end of the lead (7) penetrates through the wire clamping box (18) and partially extends outside the wire clamping box (18).

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