CN220251983U - Auxiliary junction box for electric test of power transformer - Google Patents
Auxiliary junction box for electric test of power transformer Download PDFInfo
- Publication number
- CN220251983U CN220251983U CN202320547121.2U CN202320547121U CN220251983U CN 220251983 U CN220251983 U CN 220251983U CN 202320547121 U CN202320547121 U CN 202320547121U CN 220251983 U CN220251983 U CN 220251983U
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- power transformer
- junction box
- fixedly connected
- block
- wall
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- 238000005192 partition Methods 0.000 claims abstract description 7
- 230000005855 radiation Effects 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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Abstract
The utility model discloses an auxiliary junction box for an electric test of a power transformer, which comprises a box body, wherein the front inner wall and the rear inner wall of the box body are respectively connected with a front cover plate and a rear cover plate through rotation of a rotation shaft, the inner wall of the box body is fixedly connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with a wiring terminal, one side of the rear cover plate is provided with a through groove, and the inner walls of the through grooves are fixedly connected with a partition plate at equal intervals. This auxiliary junction box for electric test of power transformer, through the setting of line body fixed block and line body placing block, it is downthehole that the L shape shifting block of pushing down drives the inserted block through the spring and inserts in the recess, it is fixed with the inserted block through the second locating hole to rotate the screw rod, thereby the line body is fixed between line body fixed block and line body placing block, thereby the staff can avoid leading to the fact the line body landing because dragging when fixing the other end of line body on the transformer electric test, and place every line body correspondence and be convenient for sort wiring on the line body placing block, wiring efficiency has been improved.
Description
Technical Field
The utility model relates to the technical field of electrical equipment overhaul, in particular to an auxiliary junction box for an electrical test of a power transformer.
Background
Power transformers are one of the most important types of power equipment in power systems. The main method for ensuring the safe operation of the transformer is to perform an electrical test on the power transformer.
In the actual test process of the site, as the height of the transformer of 35kV and above is more than 1.5 meters, test personnel are required to climb up the transformer to carry out test wiring after tying the safety belt. The Chinese patent application publication No. CN109374934A discloses an auxiliary junction box for electric test of power transformer, which automatically switches the connection of the test transformer through a sequence switching unit, saves labor and ensures the safety of operators. But this auxiliary junction box of power transformer electrical test has certain drawback: after the wiring is completed, the electric wire is easy to slide under the action of external force, and the normal use of the electric wire is affected.
Therefore, an auxiliary junction box for electric test of the power transformer, which can be convenient for fixing the wire body and preventing the wire body from sliding off, is researched.
Disclosure of Invention
The utility model mainly aims to provide an auxiliary junction box for an electric test of a power transformer, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the auxiliary junction box for the electric test of the power transformer comprises a box body, wherein a front cover plate and a rear cover plate which are respectively hinged with the box body are arranged on the box body; the inner wall of the box body is fixedly connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with a wiring terminal, a plurality of through grooves are formed in the rear cover plate, through holes are formed in the tops of the through grooves, a wire body placing block is arranged on the inner bottom wall of each through groove, a groove is formed in the upper portion of each wire body placing block, and first positioning holes are formed in two sides of each groove; the through hole is internally provided with a spring, the top end of the spring is fixedly connected with the inner top wall of the through hole, the bottom end of the spring is connected with a wire body fixing block, the lower surface of the wire body fixing block is symmetrically provided with an inserting block, and the inserting block is provided with a second positioning hole; the screw rod is arranged in the first positioning hole, and penetrates through the first positioning hole and the second positioning hole.
Preferably, the wire body fixed block is provided with an L-shaped shifting block.
Preferably, the inner wall of the second positioning hole is provided with threads, and the screw rod is in threaded connection with the insertion block.
Preferably, the inner wall of the through groove is fixedly connected with a partition plate.
Preferably, a twisting handle is arranged on the screw rod.
Preferably, a pull groove is formed in the front cover plate, and a pull rod is fixedly connected to the inner wall of the pull groove.
Preferably, the inner wall of the rear cover plate is provided with a first dustproof net, and the first dustproof net is fixedly connected with the end part of the through groove.
Preferably, the upper surface of the box body is provided with a heat radiation opening.
Preferably, the heat dissipation port is provided with a second dust screen.
Preferably, the upper surface of the L-shaped shifting block is fixedly connected with a soft gasket.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, one end of the wire body is fixedly connected with one side interface of the wiring terminal through the through groove by arranging the wire body fixing block, the wire body placing block and the screw rod, the L-shaped shifting block is pressed downwards to drive the inserting block to be inserted into the groove through the wire body fixing block and the spring, and the screw rod is rotated clockwise to drive the inserting block to be in threaded connection with the second positioning hole so as to fix the inserting block, so that the wire body fixing block extrudes the wire body and fixes the wire body between the wire body fixing block and the wire body placing block, and therefore, when a worker fixes the other end of the wire body on the transformer for electric test, slipping of the wire body caused by dragging can be avoided, the wire body is conveniently fixed, and each wire body is correspondingly placed on the wire body placing block so as to be convenient for classifying wiring, and the wiring efficiency is improved.
2. According to the utility model, through the arrangement of the first dustproof net, the radiating opening and the second dustproof net, the first dustproof net plays a dustproof role, so that dust can be prevented from entering the box body through the through groove, heat emitted by the working elements in the box body can be discharged through the radiating opening, the radiating purpose is achieved, and the second dustproof net can prevent dust from entering the box body from the radiating opening, so that the dustproof box is convenient to use and good in dustproof effect.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a schematic rear view of embodiment 1 of the present utility model.
Fig. 2 is a schematic view of a via structure in embodiment 1 of the present utility model.
Fig. 3 is a schematic block diagram of an embodiment 1 of the present utility model.
Fig. 4 is an enlarged schematic view of the plug structure of embodiment 1 of the present utility model.
Fig. 5 is a schematic view of a first dust-proof net structure according to embodiment 1 of the present utility model.
Fig. 6 is a schematic view of a soft pad structure according to embodiment 2 of the present utility model.
Reference numerals illustrate: 1. a case; 2. a front cover plate; 3. a back cover plate; 4. a support plate; 5. a terminal block; 6. a through groove; 7. a partition plate; 8. a through hole; 9. a wire body placing block; 10. a wire body; 11. a groove; 12. a first positioning hole; 13. a spring; 14. a wire body fixing block; 15. an L-shaped shifting block; 16. inserting blocks; 17. a second positioning hole; 18. a screw; 19. twisting the handle; 20. drawing a groove; 21. a pull rod; 22. a first dust screen; 23. a heat radiation port; 24. a second dust screen; 25. a soft gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-5, the auxiliary junction box for the electric test of the power transformer comprises a box body 1, a front cover plate 2 and a rear cover plate 3 are respectively connected with the front inner wall and the rear inner wall of the box body 1 through rotation of a rotation shaft, a supporting plate 4 is fixedly connected with the inner wall of the box body 1, a wiring terminal 5 is fixedly connected with the upper surface of the supporting plate 4, a through groove 6 is formed in one side of the rear cover plate 3, a partition plate 7 is fixedly connected with the inner wall of the through groove 6 at equal intervals, through holes 8 are formed in the top of the through groove 6 at equal intervals, wire body placing blocks 9 are fixedly arranged in the inner bottom wall of the through groove 6 at equal intervals, a wire body 10 is lapped on the upper surface of the wire body placing blocks 9, grooves 11 are symmetrically formed in the upper surface of the wire body placing blocks 9, and first positioning holes 12 are formed in one side of the grooves 11.
In this embodiment, the inner top wall of the through hole 8 is fixedly connected with a spring 13, the other end of the spring 13 is fixedly connected with a wire body fixing block 14, one side of the wire body fixing block 14 is fixedly connected with an L-shaped shifting block 15, the lower surface of the wire body fixing block 14 is symmetrically and fixedly connected with an inserting block 16, one side of the inserting block 16 is provided with a second positioning hole 17, the inner wall of the first positioning hole 12 is in threaded connection with a screw 18, and the screw 18 penetrates through the first positioning hole 12 and the second positioning hole 17 and is in threaded connection with the second positioning hole 17.
When the wire drawing device is particularly used, in the electric test process of a power transformer on site, as the height of the transformer of 35kV and above is more than 1.5 m, a tester is required to tie a safety belt and then climb up the transformer to carry out test wiring, the rear cover plate 3 is opened, one end of the wire body 10 passes through the through groove 6 and one side interface of the rear cover plate 3 and the wiring terminal 5 to be connected, the wire body 10 is lapped on the wire body placing block 9 after connection, the L-shaped shifting block 15 is pressed downwards to drive the spring 13 on the inner wall of the through hole 8 to extend downwards through the wire body fixing block 14, so that the inserting block 16 is inserted into the inner wall of the groove 11, then the screw 18 is rotated clockwise to drive the inserting block 16 to rotate towards the inside of the groove 11 and pass through the second positioning hole 17 to be in threaded connection with the second positioning hole 17, so that the wire body fixing block 14 is fixed on the upper part of the wire body 10, the wire body 10 is extruded and fixed between the wire body fixing block 14 and the wire body placing block 9, and the wire body 10 can be prevented from sliding down due to the fact that the wire body 10 can be conveniently fixed when the other end of the wire body 10 is fixed on the transformer to carry out electric test.
In this embodiment, a twisting handle 19 is fixedly connected to one side of the screw 18, the width of the insert 16 is consistent with the width of the groove 11, the height of the insert 16 is consistent with the height of the groove 11, the diameter of the first positioning hole 12 is consistent with the diameter of the second positioning hole 17, and the horizontal extension line of the center point of the first positioning hole 12 and the horizontal extension line of the center point of the second positioning hole 17 are on the same straight line.
When the wire body 10 is particularly used, the twisting handle 19 is arranged, the twisting handle 19 can be rotated clockwise to drive the screw rod 18 to move into the groove 11 to fix the insert block 16, otherwise, the screw rod 18 is driven to move outwards in the groove 11 by rotating the twisting handle 19 anticlockwise so that the screw rod 18 is not used for fixing the insert block 16, and therefore the wire body 10 is convenient to fix and detach and convenient to use.
In this embodiment, the vertical extension line of the center point of the through hole 8 is perpendicular to the horizontal extension line of the midpoint of the line body fixing block 14, the horizontal extension line of the midpoint of the line body placing block 9, the horizontal extension line of the center point of the line body 10 and the horizontal extension line of the midpoint between the two side partition plates 7.
When the wire fixing device is particularly used, the center point of the through hole 8, the center point of the wire fixing block 14, the center point of the wire placing block 9 and the center point between the two side partition plates 7 are all on the same straight line, so that the wire 10 can be conveniently fixed.
In this embodiment, a pull groove 20 is formed on one side surface of each of the front cover plate 2 and the rear cover plate 3, and a pull rod 21 is fixedly connected to an inner wall of the pull groove 20.
When the novel box is specifically used, when the rear cover plate 3 or the front cover plate 2 is required to be opened, the pull rod 21 is pulled to drive the rear cover plate or the front cover plate to respectively rotate outwards on the inner wall of the box body 1 through the rotating shaft, so that the novel box is convenient to open and convenient to use.
In this embodiment, the inner wall of the back cover plate 3 is fixedly connected with a first dust-proof net 22, the first dust-proof net 22 is fixedly connected to the outer surface of the through groove 6, and the wire body 10 penetrates through the first dust-proof net 22 and is connected to one side of the terminal 5.
When the dust-proof box is particularly used, the first dust-proof net 22 is arranged, and the first dust-proof net 22 plays a role in dust prevention, so that dust can be prevented from entering the box body 1 through the through groove 6.
In this embodiment, the upper surface of the case 1 is provided with a heat radiation port 23.
When the heat radiating device is particularly used, the heat radiating port 23 is arranged, and heat radiated by the working of the internal elements of the box body 1 can be discharged through the heat radiating port 23, so that the purpose of heat radiation is achieved.
In this embodiment, the second dust screen 24 is fixedly connected to the outer surface of the heat dissipation port 23.
When the box is particularly used, the second dustproof net 24 is arranged, and the second dustproof net 24 plays a role in dust prevention, so that dust is prevented from entering the box body 1 from the heat dissipation opening 23.
Working principle: in use, the back cover plate 3 of the box body 1 is opened, one end of the wire body 10 passes through the through groove 6 and the back cover plate 3 to be connected with one side interface of the wire connecting terminal 5, after connection, the wire body 10 is lapped on the wire body placing block 9, the L-shaped shifting block 15 is downwards pressed to drive the spring 13 on the inner wall of the through hole 8 to be downwards extended through the wire body fixing block 14, so that the inserting block 16 is inserted into the inner wall of the groove 11, then the screw 18 is clockwise rotated to drive the inserting block 16 to rotate towards the inside of the groove 11 and pass through the second positioning hole 17 to be in threaded connection with the second positioning hole 17, so that the wire body fixing block 14 is fixed on the upper part of the wire body 10 and the wire body 10 is extruded and fixed between the wire body fixing block 14 and the wire body placing block 9, and when a worker fixes the other end of the wire body 10 on the transformer to perform an electrical test, the sliding of the wire body 10 is avoided, the fixing is convenient, and each wire body 10 is correspondingly placed on the wire body placing block 9 to be convenient for wiring classification, and wiring efficiency is improved.
Example 2
As shown in fig. 6, the distinguishing features of this embodiment that distinguish embodiment 1 are: the upper surface of the L-shaped shifting block 15 is fixedly connected with a soft gasket 25.
When the novel bicycle is particularly used, the soft gasket 25 is arranged to facilitate the pressing of the L-shaped shifting block 15, so that the comfort is improved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. Auxiliary junction box for electric test of power transformer, comprising a box body (1), and characterized in that:
a front cover plate (2) and a rear cover plate (3) which are respectively hinged with the box body are arranged on the box body (1);
the inner wall of the box body (1) is fixedly connected with a supporting plate (4), the upper surface of the supporting plate (4) is fixedly connected with a wiring terminal (5), a plurality of through grooves (6) are formed in the rear cover plate (3), through holes (8) are formed in the tops of the through grooves (6), wire body placing blocks (9) are arranged on the inner bottom wall of the through grooves (6), grooves (11) are formed in the upper portions of the wire body placing blocks (9), and first positioning holes (12) are formed in two sides of the grooves (11);
a spring (13) is arranged in the through hole (8), the top end of the spring (13) is fixedly connected with the inner top wall of the through hole (8), the bottom end of the spring (13) is connected with a wire body fixing block (14), inserting blocks (16) are symmetrically arranged on the lower surface of the wire body fixing block (14), and a second positioning hole (17) is formed in each inserting block (16);
the screw (18) is arranged in the first positioning hole (12), and the screw (18) penetrates through the first positioning hole (12) and the second positioning hole (17).
2. The auxiliary junction box for electrical testing of a power transformer according to claim 1, wherein: an L-shaped shifting block (15) is arranged on the wire body fixing block (14).
3. The auxiliary junction box for electrical testing of a power transformer according to claim 1, wherein: the inner wall of the second positioning hole (17) is provided with threads, and the screw rod (18) is in threaded connection with the insert block (16).
4. The auxiliary junction box for electrical testing of a power transformer according to claim 1, wherein: the inner wall of the through groove (6) is fixedly connected with a partition plate (7).
5. The auxiliary junction box for electrical testing of a power transformer according to claim 1, wherein: the screw (18) is provided with a twisting handle (19).
6. The auxiliary junction box for electrical testing of a power transformer according to claim 1, wherein: a pull groove (20) is formed in the front cover plate (2), and a pull rod (21) is fixedly connected to the inner wall of the pull groove (20).
7. The auxiliary junction box for electrical testing of a power transformer according to claim 1, wherein: the inner wall of the rear cover plate (3) is provided with a first dustproof net (22), and the first dustproof net (22) is fixedly connected with the end part of the through groove (6).
8. The auxiliary junction box for electrical testing of a power transformer according to claim 1, wherein: the upper surface of the box body (1) is provided with a heat radiation opening (23).
9. The auxiliary junction box for electrical testing of a power transformer of claim 8, wherein: the heat dissipation port (23) is provided with a second dustproof net (24).
10. The auxiliary junction box for electrical testing of a power transformer according to claim 2, wherein: the upper surface of the L-shaped shifting block (15) is fixedly connected with a soft gasket (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547121.2U CN220251983U (en) | 2023-03-20 | 2023-03-20 | Auxiliary junction box for electric test of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547121.2U CN220251983U (en) | 2023-03-20 | 2023-03-20 | Auxiliary junction box for electric test of power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251983U true CN220251983U (en) | 2023-12-26 |
Family
ID=89227297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320547121.2U Active CN220251983U (en) | 2023-03-20 | 2023-03-20 | Auxiliary junction box for electric test of power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251983U (en) |
-
2023
- 2023-03-20 CN CN202320547121.2U patent/CN220251983U/en active Active
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