CN214278261U - Wiring transfer trolley for high-voltage test of transformer - Google Patents

Abstract

The application relates to a wiring transfer trolley for a high-voltage test of a transformer. The wiring transfer trolley comprises a trolley body, a wiring transfer panel and a plurality of wiring pieces. The wiring transfer panel is arranged on the trolley body, and a plurality of wiring transfer units and grounding units are arranged on the wiring transfer panel. Each of the connection pieces includes a connection clamp, a plug and a cable connected to the connection clamp and the plug. When high-voltage test to the transformer, the ground connection unit ground connection is connected, and the binding clip centre gripping of a plurality of wiring pieces is in the terminal of transformer, and the plug of a plurality of wiring pieces is pegged graft in corresponding wiring transfer unit, connects test equipment in proper order in the wiring transfer unit that corresponds, so only need once the climbing can accomplish the test of all projects of transformer, need not to climb the transformer many times and change the cable. Meanwhile, the grounding unit of the wiring transfer panel is connected with the ground, so that the discharging operation of the transformer after each test is finished is facilitated, and the function of quick discharging after the test is finished is achieved.

Description

Wiring transfer trolley for high-voltage test of transformer

Technical Field

The application relates to the technical field of electrical maintenance, in particular to a wiring transfer trolley for a high-voltage test of a transformer.

Background

A transformer is a major electrical device in an electrical power system (including power plants and power grids), and it is one of the major tasks in the field of electrical inspection and repair that needs to be periodically tested and maintained. When carrying out the inspection to the transformer, need carry out change wiring many times in transformer bushing department usually, however change at every turn all need climb the ladder or use the rising ladder to reach the transformer top and operate, frequently ascend a height and change the cable and can consume a large amount of operating time, reduce work efficiency, and have potential safety hazards such as fall and electrocute.

Therefore, a transfer device specially used for a transformer test is urgently needed, and is used for completing one-time wiring at a transformer bushing during the transformer test so as to greatly reduce the number of times of ascending and replacing the wiring, further improve the working efficiency and eliminate potential safety hazards, and the transfer device is a technical problem which needs to be solved by technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a wiring transfer dolly for transformer high-voltage testing, solves the problem that need scramble the ladder many times or use the rising ladder to reach the transformer top and change the cable when the transformer inspects.

In order to solve the above technical problem, the present application is implemented as follows:

in a first aspect, a wiring transfer trolley for a high voltage test of a transformer is provided, which includes:

a trolley body;

the wiring transfer panel is arranged on the trolley body and is provided with a plurality of wiring transfer units and grounding units;

a plurality of wire connecting members, each wire connecting member including a wire connecting clamp, a plug and a cable connected to the wire connecting clamp and the plug;

when a transformer is subjected to a high-voltage test, the grounding unit is grounded, the wiring clamps of the wiring pieces are clamped on the terminals of the transformer, and the plugs of the wiring pieces are plugged into the corresponding wiring transfer units.

In a first possible implementation manner of the first aspect, the grounding unit includes a grounding terminal and a grounding line, the grounding terminal is connected with the grounding line, and the grounding terminal is grounded through the grounding line.

With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, each connection transfer unit includes a ground switch, an incoming line terminal, and two outgoing line terminals, where the ground switch is connected to the incoming line terminal and the ground terminal, the incoming line terminal is connected to the two outgoing line terminals, the incoming line terminal is used for being connected to a plug of the connection piece, and the two outgoing line terminals are used for being connected to a test device of the transformer.

With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, each outlet terminal is a standard tab terminal.

In a fourth possible implementation manner of the first aspect, the plurality of connection relay units include a high-voltage winding unit, a first low-voltage winding unit, a second low-voltage winding unit, a first high-voltage end screen, a first low-voltage end screen unit, a second low-voltage end screen unit, and a neutral unit.

In a fifth possible implementation manner of the first aspect, the cart body includes a cabinet body and a rolling member disposed at a lower end of the cabinet body, and the wiring transit panel is disposed on the cabinet body.

With reference to the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, a cabinet door is further disposed on a side surface of the cabinet body, so as to conveniently store a plurality of wiring pieces.

With reference to the fifth possible implementation manner of the first aspect, in a seventh possible implementation manner of the first aspect, the rolling members are a plurality of universal wheels having a braking function.

With reference to the seventh possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the number of universal wheels is four.

In a ninth possible implementation form of the first aspect, the terminals of the transformer comprise a high voltage terminal, a low voltage terminal, a bushing, a tap and a neutral point.

Compared with the prior art, the application has the advantages that:

when the wiring transfer trolley for the high-voltage test of the transformer is used, the wiring pliers of the plurality of wiring pieces are clamped at the terminal of the transformer, the plugs of the plurality of wiring pieces are plugged into the corresponding wiring transfer units, when various tests of the transformer are carried out, the testing equipment is sequentially connected to the corresponding wiring transfer units, so that the testing of all projects of the transformer can be completed only by one-time climbing, and the cable is not required to be climbed for many times for replacing the transformer. Meanwhile, the grounding unit of the wiring transfer panel is connected with the ground, so that the discharging operation of the transformer after each test is finished is facilitated, and the function of quick discharging after the test is finished is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of a wiring transfer trolley for high voltage testing of a transformer according to an embodiment of the present application;

fig. 2 is a schematic view illustrating a connection transfer panel according to an embodiment of the present application when connected to a transformer;

FIG. 3 is a schematic view of a wire connector of an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As used herein, the terms "first," "second," and the like, do not denote any order or importance, nor do they limit the present application, but rather are used to distinguish one element from another or from another element or operation described in the same technical language.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of a wiring transfer trolley for a high voltage test of a transformer according to an embodiment of the present application, and fig. 2 is a schematic view of a wiring transfer panel according to an embodiment of the present application when the wiring transfer panel is connected to the transformer; as shown in the figure, the wiring transfer trolley 1 for the high-voltage test of the transformer comprises a trolley body 2, a wiring transfer panel 3 and a plurality of wiring pieces 4. The wiring transit panel 3 is disposed on the trolley body 2, as shown in fig. 1, the wiring transit panel 3 is installed on the top of the trolley body 2, but not limited thereto. The patch relay panel 3 has a plurality of patch relay units 31 and a grounding unit 32. The plurality of wiring transfer units 31 are used for transferring between the transformer S and the testing equipment, and in this embodiment, the plurality of wiring transfer units 31 include a high-voltage winding unit 301, a first low-voltage winding unit 302, a second low-voltage winding unit 303, a first high-voltage end screen 304, a first low-voltage end screen unit 305, a second low-voltage end screen unit 306 and a neutral unit 307, which are respectively used for seven item tests of the transformer S.

Referring to fig. 3 and also to fig. 2, fig. 3 is a schematic view of a wiring member according to an embodiment of the present application; as shown, a plurality of wiring pieces 4 are used for connection between the wiring relay panel 3 and the transformer S. Each of the terminal members 4 includes a terminal block 41, a plug 42, and a cable 43 connected to the terminal block 41 and the plug 42, the terminal block 41 holds a terminal of the transformer S, and the plug 42 is inserted into the corresponding terminal relay unit 31, thereby achieving connection between the terminal of the transformer S and the corresponding terminal relay unit 31. In the present embodiment, the terminals of the transformer S include a high voltage terminal, a low voltage terminal, a bushing, a tap and a neutral point, and specifically, as shown in fig. 2, if the wire holder 41 is clamped to the neutral terminal S1 of the transformer S, the plug 42 is plugged into the neutral unit 307, but not limited thereto.

Referring to fig. 1 to 3, when the wiring transfer cart 1 of the present embodiment is used for a high voltage test of a transformer S, the cart body 2 is moved to a position near the transformer S, the wiring clamps 41 of the wiring pieces 4 are clamped at terminals of the transformer S, the plugs 42 of the wiring pieces 4 are plugged into the corresponding wiring transfer units 31, and when each test of the transformer S is performed, the test equipment is sequentially connected to the corresponding wiring transfer units 31, so that the test of all items of the transformer S can be completed by one-time climbing without climbing the transformer S for multiple times to replace cables. Meanwhile, the grounding unit 32 of the wiring transit panel 3 is connected to the ground so as to perform the discharging operation after each test of the transformer S is finished, and the function of quick discharging after the test is finished is provided.

The detailed structure of the cart body 2, the wire relay unit 31 and the grounding unit 32 will be further described below. Referring back to fig. 1, the cart body 2 includes a cabinet 21 and a rolling member 22 disposed at a lower end of the cabinet 21. In this embodiment, the rolling members 22 are a plurality of universal wheels with braking function, which facilitates the movement and fixing of the cart body 2 during the test. Preferably, the number of the universal wheels is four, but not limited thereto. The wiring transit panel 3 is provided on the cabinet 21. The plurality of wiring pieces 4 can be stored in the cabinet body 21, and a cabinet door 23 is arranged on the side face of the cabinet body 21 and used for conveniently storing and taking out the plurality of wiring pieces 4.

Referring to fig. 2 again, each of the connection relay units 31 includes a grounding switch 311, a wire inlet terminal 312 and two wire outlet terminals 313. The incoming terminal 312 is connected with two outgoing terminals 313, the incoming terminal 312 is used for being connected with the plug 42 of the wiring piece 4, and the two outgoing terminals 313 are used for being connected with the testing equipment of the transformer S, so that the relay connection between the transformer S and the testing equipment is realized. In the present embodiment, each outlet terminal 313 is a standard connector terminal, but not limited thereto.

The ground unit 32 includes a ground terminal 321 and a ground line 322. The ground terminal 321 is connected to the ground line 322, and the ground terminal 321 is grounded via the ground line 322. The grounding terminal 321 is connected with the incoming terminal 312 through the grounding switch 311, when the transformer is tested, the grounding switch 311 is in an off state, the incoming terminal 312 and the grounding terminal 321 are in an off state, after each item of the transformer S is tested, the grounding switch 311 is turned on, the incoming terminal 312 is communicated with the grounding terminal 321, a loop is conveniently formed between the transformer S and the ground, and the transformer S is discharged.

To sum up, this application provides a wiring transfer dolly for transformer high-voltage testing, and it is when using, with the binding clip centre gripping of a plurality of wiring pieces in the terminal of transformer, the plug of a plurality of wiring pieces is pegged graft in corresponding wiring transfer unit, when experimental to each item of transformer, connects gradually test equipment in the wiring transfer unit that corresponds, so only need once scramble the test that can accomplish all items of transformer, need not to scramble the transformer many times and change the cable. Meanwhile, the grounding unit of the wiring transfer panel is connected with the ground, so that the discharging operation of the transformer after each test is finished is facilitated, and the function of quick discharging after the test is finished is achieved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a wiring transfer dolly for transformer high-voltage testing which characterized in that includes:

a trolley body;

the wiring transfer panel is arranged on the trolley body and is provided with a plurality of wiring transfer units and a grounding unit;

a plurality of wire connection pieces, each of said wire connection pieces including a wire connection clamp, a plug, and a cable connected to said wire connection clamp and said plug;

when the transformer is subjected to a high-voltage test, the grounding unit is grounded, the wiring clamps of the wiring pieces are clamped on the terminals of the transformer, and the plugs of the wiring pieces are inserted into the wiring transfer units.

2. The wiring transfer trolley of claim 1, wherein the grounding unit comprises a grounding terminal and a grounding wire, the grounding terminal is connected with the grounding wire, and the grounding terminal is connected to the ground through the grounding wire.

3. The wiring transfer trolley according to claim 2, wherein each wiring transfer unit comprises a grounding switch, an incoming terminal and two outgoing terminals, the grounding switch is connected with the incoming terminal and the grounding terminal, the incoming terminal is connected with the two outgoing terminals, the incoming terminal is used for being connected with the plug of the wiring piece, and the two outgoing terminals are used for being connected with the test equipment of the transformer.

4. The wire transfer cart of claim 3 wherein each said outlet terminal is a standard splice terminal.

5. The wiring transfer trolley of claim 1, wherein the plurality of wiring transfer units comprise a high voltage winding unit, a first low voltage winding unit, a second low voltage winding unit, a first high voltage end screen, a first low voltage end screen unit, a second low voltage end screen unit, and a neutral unit.

6. The wiring transfer trolley according to claim 1, wherein the trolley body comprises a cabinet body and a rolling member arranged at a lower end of the cabinet body, and the wiring transfer panel is arranged on the cabinet body.

7. The wiring transfer trolley according to claim 6, wherein a cabinet door is further provided on a side of the cabinet body for conveniently storing a plurality of wiring members.

8. The wire transfer trolley of claim 6, wherein the rolling members are a plurality of universal wheels with braking function.

9. The wiring transfer trolley of claim 8, wherein the number of said universal wheels is four.

10. The wiring transfer trolley of claim 1, wherein the terminals of the transformer comprise a high voltage terminal, a low voltage terminal, a bushing, a tap and a neutral point.

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