CN216310245U

CN216310245U - Auxiliary junction box for electrical test of power transformer

Info

Publication number: CN216310245U
Application number: CN202122283538.6U
Authority: CN
Inventors: 张�杰; 刘文斌; 唐振东; 马健
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-04-15
Anticipated expiration: 2031-09-22

Abstract

The utility model provides an auxiliary junction box for an electrical test of a power transformer, which comprises: the box body, the partition plate and the knife switch; wire holes are formed in the upper portions of the two ends of the box body, and the box body and the wire holes are of an integrated structure; the adjusting rod is arranged at the lower part of the box body and is connected with the box body in a welding mode; the support rod is arranged at the lower part of the adjusting rod and is sleeved with the adjusting rod in a clearance fit manner; the partition plate is arranged at the upper part of the cushion block and is connected with the cushion block in a welding mode; the disconnecting link is arranged on the upper portion of the cushion block, and the disconnecting link is fixedly connected with the cushion block through bolts. Through the structurally improved device, the wiring operation is very convenient, the test efficiency is greatly improved, the operation safety is high, the use flexibility is high, the practical value is greatly improved, and the like, so that the problems and the defects existing in the conventional device are effectively solved.

Description

Auxiliary junction box for electrical test of power transformer

Technical Field

The utility model relates to the technical field of electrical tests, in particular to an auxiliary junction box for an electrical test of a power transformer.

Background

In order to meet the use standard of safety standards, electrical tests of various parts are usually performed before use of the power transformer, and in the test process, due to the fact that test items and test parts are different, a transformer power supply needs to be frequently cut off and wiring needs to be changed on the transformer, so that wiring operation is very troublesome, test efficiency is seriously affected, and certain electric shock potential safety hazards and other adverse problems exist for test personnel.

In view of this, research and improvement are carried out to solve the existing problems, and an auxiliary junction box for an electrical test of a power transformer is provided, which aims to achieve the purposes of solving the problems and improving the practical value through the technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary junction box for an electrical test of a power transformer, which aims to solve the problems and the defects in the background technology.

In order to achieve the purpose, the utility model provides an auxiliary junction box for an electrical test of a power transformer, which is achieved by the following specific technical means:

an auxiliary junction box for electrical testing of a power transformer, comprising: the device comprises a box body, line holes, adjusting rods, supporting rods, handle bolts, rollers, cushion blocks, partition plates and a disconnecting link; wire holes are formed in the upper portions of the two ends of the box body, and the box body and the wire holes are of an integrated structure; the adjusting rod is arranged at the lower part of the box body and is connected with the box body in a welding mode; the support rod is arranged at the lower part of the adjusting rod and is sleeved with the adjusting rod in a clearance fit manner; the handle bolt is arranged at the upper part of the support rod and is screwed with the support rod through threads; the roller is arranged at the bottom end of the supporting rod and fixedly connected with the supporting rod through a bolt; the cushion block is arranged in the middle of the box body and fixedly connected with the box body through bolts; the partition plate is arranged at the upper part of the cushion block and is connected with the cushion block in a welding mode; the disconnecting link is arranged on the upper portion of the cushion block, and the disconnecting link is fixedly connected with the cushion block through bolts.

As a further optimization of the technical scheme, the box body of the auxiliary junction box for the electrical test of the power transformer is of a rectangular box-shaped structure, and the upper positions of the two ends of the box body are transversely arranged and at least provided with four circular wire holes respectively.

As a further optimization of the technical scheme, the adjusting rods of the auxiliary junction box for the electrical test of the power transformer are distributed at four positions on the lower part of the box body in a rectangular mode, and the adjusting rods are fixedly connected with the supporting rods through handle bolts.

As a further optimization of the technical scheme, the cushion block of the auxiliary junction box for the electrical test of the power transformer is of a rectangular structure made of an epoxy resin insulating plate.

As a further optimization of the technical scheme, the partition plate of the auxiliary junction box for the electrical test of the power transformer is a rectangular plate-shaped structure made of epoxy resin insulation plates, and at least three positions are arranged on the upper part of the cushion block in a transverse interval arrangement mode.

As a further optimization of the technical scheme, according to the auxiliary junction box for the electrical test of the power transformer, the disconnecting links are arranged at least at four positions on the upper portion of the cushion block in a transverse interval arrangement mode, and the disconnecting links and the partition plate are arranged in an interval arrangement mode.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. according to the auxiliary junction box for the electrical test of the power transformer, the plurality of disconnecting switches are arranged in the box body, so that the electric wire of the transformer can be conveniently led to the disconnecting switches, inconvenience caused by the fact that the power supply of the transformer needs to be repeatedly cut off and the wire needs to be repeatedly climbed on the transformer to be changed during wiring is avoided, the test efficiency is greatly improved, and the auxiliary junction box has a practical value.

2. According to the auxiliary junction box for the electrical test of the power transformer, the plurality of disconnecting switches are separated by the partition plates, so that the insulating capacity among the disconnecting switches can be improved, and the use safety performance of the device is greatly improved.

3. According to the auxiliary junction box for the electrical test of the power transformer, the height of the support rod is adjusted by the aid of the adjusting rod, and the design mode that the handle bolt is locked is utilized, so that the auxiliary junction box has an adjusting function of a certain height, the use requirements of transformers with different heights can be met, and the use flexibility of the auxiliary junction box is greatly improved.

4. The device has the advantages of being convenient in wiring operation, greatly improving the test efficiency, high in operation safety, strong in use flexibility, greatly improving the practical value and the like by improving the structure of the device, thereby effectively solving the problems and the defects in the existing device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic view of the separator structure of the present invention;

fig. 3 is a schematic structural diagram of the knife switch of the present invention.

In the figure: the device comprises a box body 1, a wire hole 2, an adjusting rod 3, a supporting rod 4, a handle bolt 5, a roller 6, a cushion block 7, a partition plate 8 and a disconnecting link 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a specific technical implementation of an auxiliary junction box for an electrical test of a power transformer:

an auxiliary junction box for electrical testing of a power transformer, comprising: the device comprises a box body 1, a wire hole 2, an adjusting rod 3, a supporting rod 4, a handle bolt 5, a roller 6, a cushion block 7, a partition plate 8 and a disconnecting link 9; the upper parts of two ends of the box body 1 are provided with wire holes 2, and the box body 1 and the wire holes 2 are of an integrated structure; the adjusting rod 3 is arranged at the lower part of the box body 1, and the adjusting rod 3 is connected with the box body 1 in a welding mode; the support rod 4 is arranged at the lower part of the adjusting rod 3, and the support rod 4 is sleeved with the adjusting rod 3 in a clearance fit manner; the handle bolt 5 is arranged at the upper part of the support rod 4, and the handle bolt 5 is screwed with the support rod 4 through threads; the roller 6 is arranged at the bottom end of the support rod 4, and the roller 6 is fixedly connected with the support rod 4 through a bolt; the cushion block 7 is arranged in the middle position in the box body 1, and the cushion block 7 is fixedly connected with the box body 1 through bolts; the partition plate 8 is arranged at the upper part of the cushion block 7, and the partition plate 8 is connected with the cushion block 7 in a welding mode; the knife switch 9 is arranged on the upper portion of the cushion block 7, and the knife switch 9 is fixedly connected with the cushion block 7 through bolts.

Specifically, the box body 1 is a rectangular box-shaped structure, and the upper positions at the two ends of the box body 1 are transversely arranged and at least provided with four circular wire holes 2, and as shown in fig. 1, the wire holes 2 at the two ends of the box body 1 are respectively arranged in pairwise correspondence with the knife switch 9, so that the wiring is convenient.

Specifically, adjust pole 3 and be rectangle distribution mode and be provided with everywhere in the lower part of box 1 altogether, and adjust and pass through handle bolt 5 fixed connection between pole 3 and the bracing piece 4 to adjust pole 3 and bracing piece 4 and all adopt square pipe to make, and adjust pole 3 and can carry out the high lift sliding adjustment in bracing piece 4.

Specifically, the cushion 7 is a rectangular structure made of epoxy resin insulation boards, and the cushion 7 can improve the insulation performance of the disconnecting link 9 in the box body 1, so that the practicability and safety of the disconnecting link are greatly improved.

Specifically, the partition plate 8 is a rectangular plate-shaped structure made of epoxy resin insulation plates, at least three positions are arranged on the upper portion of the cushion block 7 in a transverse interval arrangement mode of the partition plate 8, and as shown in a combined figure 1, two ends of the partition plate 8 are connected with the inner wall of the box body 1, so that the insulation performance among all lines can be improved, and the use safety is greatly improved.

Specifically, the knife switches 9 are arranged at least four positions on the upper portion of the cushion block 7 in a transverse interval arrangement mode, and the knife switches 9 and the partition plate 8 are arranged in an interval arrangement mode.

The method comprises the following specific implementation steps:

when using the device, at first utilize gyro wheel 6 to remove experimental place with the device, then according to the height of transformer with box 1 through adjusting pole 3 go on lifting adjusting to suitable height on bracing piece 4, then utilize handle bolt 5 to screw up fixedly, then connect the transformer electric wire on switch 9, the other end through switch 9 can carry out according to test item or electric component change the wiring operation, and can be convenient through switch 9 carry out the cut-off operation of power, thereby great convenient wiring operation, make it possess practical value more.

In summary, the following steps: according to the auxiliary junction box for the electrical test of the power transformer, the plurality of disconnecting switches are arranged in the box body, so that the electric wires of the transformer can be conveniently led to the disconnecting switches, inconvenience caused by repeated disconnection of the power supply of the transformer and repeated climbing on the transformer for wire change is avoided, the test efficiency is greatly improved, and the auxiliary junction box has higher practical value; the plurality of disconnecting switches are separated by the partition plates, so that the insulating capability among the disconnecting switches can be improved, and the use safety performance of the device is greatly improved; through utilizing the regulation pole to carry out altitude mixture control on the bracing piece to utilize the design of handle bolt locking, thereby can make the device possess the regulatory function of take the altitude, can satisfy not co-altitude transformer's user demand, then improved the device's use flexibility greatly, thereby the effectual problem and the not enough that appear in having solved current device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An auxiliary junction box for electrical testing of a power transformer, comprising: the device comprises a box body (1), line holes (2), an adjusting rod (3), a supporting rod (4), a handle bolt (5), a roller (6), a cushion block (7), a partition plate (8) and a disconnecting link (9); the method is characterized in that: the upper parts of two ends of the box body (1) are provided with wire holes (2), and the box body (1) and the wire holes (2) are of an integrated structure; the adjusting rod (3) is arranged at the lower part of the box body (1), and the adjusting rod (3) is connected with the box body (1) in a welding mode; the support rod (4) is arranged at the lower part of the adjusting rod (3), and the support rod (4) is sleeved with the adjusting rod (3) in a clearance fit manner; the handle bolt (5) is arranged at the upper part of the support rod (4), and the handle bolt (5) is screwed with the support rod (4) through threads; the roller (6) is arranged at the bottom end of the supporting rod (4), and the roller (6) is fixedly connected with the supporting rod (4) through a bolt; the cushion block (7) is arranged in the middle of the box body (1), and the cushion block (7) is fixedly connected with the box body (1) through bolts; the partition plate (8) is arranged at the upper part of the cushion block (7), and the partition plate (8) is connected with the cushion block (7) in a welding mode; the disconnecting link (9) is arranged on the upper portion of the cushion block (7), and the disconnecting link (9) is fixedly connected with the cushion block (7) through bolts.

2. The auxiliary junction box for the electrical test of the power transformer as claimed in claim 1, wherein: the box body (1) is of a rectangular box-shaped structure, and the upper parts of the two ends of the box body (1) are transversely arranged at least with four circular line holes (2).

3. The auxiliary junction box for the electrical test of the power transformer as claimed in claim 1, wherein: the adjusting rods (3) are distributed in a rectangular mode, four positions are arranged on the lower portion of the box body (1), and the adjusting rods (3) are fixedly connected with the supporting rods (4) through handle bolts (5).

4. The auxiliary junction box for the electrical test of the power transformer as claimed in claim 1, wherein: the cushion block (7) is of a rectangular structure made of an epoxy resin insulating plate.

5. The auxiliary junction box for the electrical test of the power transformer as claimed in claim 1, wherein: the partition plates (8) are of rectangular plate-shaped structures made of epoxy resin insulation plates, and at least three positions are arranged on the upper portions of the cushion blocks (7) in a transverse interval arrangement mode of the partition plates (8).

6. The auxiliary junction box for the electrical test of the power transformer as claimed in claim 1, wherein: the disconnecting link (9) is arranged at least four positions on the upper part of the cushion block (7) in a transverse interval arrangement mode, and the disconnecting link (9) and the partition plate (8) are arranged in an interval arrangement mode.