JPH0451464Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention is a power supply and demand instrument transformer (hereinafter referred to as
It is called PCT. ) is concerned with the improvement of a cubicle that accommodates the inside of the cubicle.

(Prior Art) A conventional cubicle of this type is shown in FIG.
FIG. 9 is a PCT layout diagram of a conventional cubicle.

This cubicle consists of a box body 31
A cross beam 32 for suspending the PCT is provided at the upper part of the frame. The PCT is box-shaped, and its upper part is suspended from a cross beam 32. Attached conductor wires 3 extending from both sides of the PCT
Lead wires 35 and 36 are connected to 3 and 34, respectively. Attached conductor wires 33, 34 and lead wire 35,
36 is connected to the support insulator 3 on the support beam 37 fixed opposite to the lower side of the PCT in the box body 31.
It is fixed via 8. Also, the terminal processing section of the input conductor 39 to the PCT and the zero-phase instrument transformer 40
means the support beam 41 fixed below inside the box body 31.
It is fixed to the top via a bracket 42.
The lead wire 35 rises through the wire support member 43 and is led to a disconnector (not shown).

(Problem to be solved by the invention) In a cubicle like the one above, PCT
Based on the difference in vertical dimensions depending on the model, the end positions of the attached conductors 33 and 34 move up and down, so the support beams 37 and 41 that support the connected conductors and the wire support member 43 also move their fixed positions up and down each time. must be changed to For this reason, we design a cubicle that is compatible with each PCT model on a case-by-case basis.

Therefore, the present invention can easily accommodate PCTs of various sizes, easily change the support position of the conductor, and
Our goal is to provide a cubicle that can reliably support this.

(Means for solving the problem) In this invention, in order to solve the above problem,
PCT is installed in the upper part of the box body 1 that constitutes the cubicle.
In addition to providing a support part to support the upper part of the square column, a longitudinal bolt fixing groove 2a is provided in the center of the four sides of the rectangular column shape.
The support rails 2 with the support beams 7 are vertically erected at the four corners of the box body 1, and the vertical mounting positions of the pair of first support beams 7 are changed so that they are positioned below the PCT and face each other on the support rails 2. A support insulator 8 is fixed to the first support beam 7 to support the connection portion between the attached conductor wires 33, 34 and the lead wires 35, 36 extending from opposite sides of the PCT. , below the first support beam 7 and the attached conductor 3 on the input side of the PCT
4 side, on the support rail 2, a bolt 22 is installed so that the vertical mounting position of the second support beam 9 can be changed.
On this second support beam 9, a bracket 42 that supports the terminal processing part of the input conductor 39 connected to the input side attached conductor 34 of the PCT and the zero-phase instrument transformer 40 is fixed. , and below one of the first support beams 7, the attached conductor 33 on the load side of the PCT.
A bolt 24 is located on the side and on the support rail 2, so that the vertical mounting position of the wiring support fitting 10 can be changed.
The PCT wire was fixed to the wiring support fitting 10 and relayed to the support insulator 8 on one of the first support beams 7.
The load side lead wire 35 was fixed to form a cubicle.

(Function) In the cubicle of the present invention, after fixing the upper part of the PCT to a suspended support such as the cross beam 4, the first support beams 7, 7 Adjust the upper and lower mounting positions on the support rail 2, and fix with bolts 20 at appropriate positions. Then, the connecting portions of the attached conductive wires 33, 34 and the input/output lead wires 35, 36 are supported on the supporting insulator 8 thereon. In addition, the second support beam 9 is fixed on the support rail 2 with bolts 22 after adjusting its upper and lower mounting positions, and the terminal of the input conductor 39 is attached to the bracket 42 on the second support beam 9. and a zero-phase instrument transformer 40. Further, the wiring support fitting 10 is fixed on the support rail 2 with bolts 24 after adjusting the vertical mounting position, and the wiring support fitting 10 is relayed to the support insulator 8 on the first support beam 7. The lead wire 35 on the load side is fixed in the middle of its extension, and then the lead wire 35 is bent and extended toward the required equipment on the load side arranged adjacent to it.

(Embodiment) An embodiment of the present invention is shown in FIGS. 1 to 8. FIG. 1 is a schematic perspective view of a cubicle according to the present invention, and FIG. 2 is a schematic perspective view of a cubicle according to the present invention.
A perspective view of the PCT support section, FIG. 3 is a plan view of the PCT support section, FIG. 4 is a front view of the PCT support section, FIG. 5 is a V-V sectional view, and FIG. 6 is a plan view of the lead wire support section. , FIG. 7 is a plan view of the input conductor support section, and FIG. 8 is a plan view of the wiring support fitting attachment section.

In Figure 1, 1 is a cubicle box, 2
3 is a vertical support rail that supports the four sides of the box 1; 3 is a rectangular frame that supports the top four sides of the box 1; 4 is a rectangular frame that supports the top four sides of the box 1;
5 is the horizontal beam for the PCT suspension installed on the rectangular frame 3.
6 is a support rod installed horizontally on the vertical support 2 facing each other, and 6 is a lower fixing member for PCT mounting installed horizontally between the support rods 5, 5 facing each other. 7 is
This is a first support beam installed horizontally on a vertical support 2 facing downwardly on both sides of the PCT, and supports the conductors 33 and 34 via a support insulator 8 fixed on top of the first support beam. . Reference numeral 9 denotes a second support beam, which is located below one of the support beams 7 and is installed horizontally on the vertical support 2. A bracket 42 is mounted on the second support beam 9 to support the terminal processing portion of the input conductor 39 and the zero-phase instrument transformer 40. Reference numeral 10 denotes a wiring support fitting bent in an L-shape, which is provided below one of the first support beams 7 and bends the lead wire 35 on the load side via a wire support member 26 fixed thereon. It supports the parts of the body.

Hereinafter, each part of the box 1 will be explained in more detail with reference to FIGS. 2 to 8.

The vertical support rail 2 is made of a prismatic rail material with longitudinal grooves 2a for bolt fixing on four sides. The support rod 5 is made of angle steel, and is fixed to the inside of the vertical support rail 2 at both ends with bolts 11 so that its mounting height can be adjusted. That is, a vertically movable nut 12 is inserted inside the split groove 2a, the vertical position of the nut 12 is selected, and the support rod 5 is tightened and fixed with the bolt 11.

As shown in FIGS. 2 to 5, the mounting plate 13 constituting the lower support member 6 is fixed to the upper surface of the support rod 5 at both ends with bolts 14, and is fixed to the upper surface of the support rod 5 at both ends. A pair of bending pieces 15 facing each other and extending downward are provided on both edges. Each refracting piece 15 is provided with two bolt insertion holes 15a, 15a and two long bolt insertion holes 15b, 15b spaced apart from each other. The long insertion holes 15b, 15b are opposed to each other. Further, bolt insertion holes 15 are provided on the lower surface of the mounting plate 13.
Bolt receiving protrusions 16 and 17 are provided to protrude so as to face the elongated holes 15b and 15b for bolt insertion, respectively. The bolt receiving protrusions 16 and 17 are
Bolts 1 for tightening the holding members 18, respectively
9 are screwed into the screw holes 16a and 17a. The bolt receiving protrusion 16 is provided parallel to the bending piece 15 of the mounting plate 13, whereas the bolt receiving protrusion 17 faces the center of the mounting plate 13 and is oriented at a predetermined angle with respect to the bending piece 15. It is established with.

The holding member 18, which constitutes the lower support member 6 together with the mounting plate 13, is formed by bending a band plate into an L-shape, and has an abutting piece 18a and a supporting piece 18b. A bending piece 15 of the mounting plate 13 is located below the contact piece 18a.
A bolt insertion hole 18c for inserting the bolt 19 is provided opposite to the bolt insertion hole 15a or the long bolt insertion hole 15b provided in the bolt insertion hole 15a or the long bolt insertion hole 15b.
Therefore, the pressing member 18 has its abutting piece 18a
is arranged so as to stand up at right angles to the mounting plate 13, and the support piece 18b extends parallel to the lower side of the mounting plate 13. When installing a box-shaped PCT, as shown in Figures 2 to 5,
The bolt insertion hole 18c of the holding member 18 is inserted into the bending piece 1.
5, and screw the bolt 19 through the bolt insertion holes 18c, 15a and the screw hole 16a, and then insert the bolt 19 into the contact piece 18a of the holding member 18.
Screw in bolt 19 until it touches the side of the PCT. As shown in FIG.
Since the contact piece 18a is in contact with the lower edge of the contact piece 18a, the vertically standing state of the contact piece 18a can be maintained at all times. cylindrical
When attaching the PCT, the holding member 18 is supported by the bolt receiving protrusion 17.

As shown in FIG. 6, the first support beam 7 is made of steel strip material and is fixed to the vertical support 2 with bolts 20 and nuts 21 so that its mounting height can be adjusted. A support insulator 8 is placed on the support beam 7.
The conductive wires 33 and 34 are supported via the conductive wires 33 and 34.

As shown in FIG. 7, the second support beam 9 is made of steel strip material and is fixed to the vertical support 2 with bolts 22 and nuts 23 so that its mounting height can be adjusted. A bracket 42 is fixed on the support beam 9, and a zero-phase instrument transformer 40 is further fixed on the bracket 42. The input conductor 39 is supported by a bracket 42 through 40 zero-phase instrument transformers.

As shown in FIG. 8, the wiring support fitting 10 has a horizontal support portion 10a and a vertical support portion 10b.
It is made of a letter-shaped steel plate, and the vertical support part 10b is fixed to the vertical support 2 with bolts 24 and nuts 25 so that the mounting height position can be adjusted. Three electric wire support members 26 are fixed on the horizontal support part 10a and the vertical support part 10b, respectively, at intervals in the horizontal direction or the vertical direction.
The wire support member 26 on the vertical support part 10b supports the horizontal part of the load-side lead wire 35, and
The wire support member 26 on 0a is connected to the load side lead wire 3
5, and each load side lead wire 3
Maintaining a distance of 5.

In the cubicle of this embodiment, the cross beam 4
After suspending the upper part of the PCT, adjust the height position of the support rod 5, which is fixed in advance to both edges of the mounting plate 13 with bolts 14, with respect to the vertical support rail 2, so that the mounting plate 13 is suspended above the PCT. Bolt 1 at the position where it touches the bottom
Fix at 1. Then, depending on whether the PCT is box-shaped or cylindrical, select the mounting position of the holding member 18 as described above, tighten the holding member 18 with the bolts 19, and tighten the holding member 18 on the four sides of the lower part of the PCT. to be fixed. Therefore, the PCT is supported by the cross beam 4 in the upper part and by the cross beam 4 in the lower part.
Since it is supported from the bottom and both sides by the mounting plate 13 and the holding member 18, there is no risk of it shaking even during an earthquake or the like. Dimensions of the PCT accommodated,
Even if the shapes are different, this can be flexibly handled by appropriately changing the fixing position of the mounting plate 13 up and down, the fixing position of the holding member 18 from side to side, and the mounting position of the holding member 18, respectively. . PCT
Due to the difference in dimensions, the attached conductor 3
The positions of the ends of numbers 3 and 34 also move up and down. Therefore,
Adjust the vertical mounting position of the first support beams 7, 7 to the column rail 2 in accordance with the end positions of the attached conductors 33, 34 of the PCT, and fix them to the column rail 2 with bolts 20 at appropriate positions. (Figure 6). Then, attached conductors 33, 34 are attached to the support insulator 8 above it.
The connection portion between the input and output lead wires 35 and 36 is supported. In addition, the second support beam 9 is fixed on the support rail 2 with bolts 22 by adjusting its upper and lower mounting positions (Fig. 6), and the input Supports the terminal processing portion of the conducting wire 39. The bracket 42 includes a zero-phase instrument transformer 4.
0 is installed. Furthermore, after adjusting the vertical mounting position of the wiring support fitting 10 located below one of the first support beams 7, it is fixed onto the support rail 2 with bolts 24 (FIG. 8). A support insulator 8 is attached to the wire support member 26 on the wire support fitting 10.
The bent extension of the load-side lead wire 35 relayed to is fixed. The lead wire 35 is connected to an adjacent disconnector or the like through this.

(Effects of the invention) As described above, in the present invention, a support part for supporting the upper part of the PCT is provided in the upper part of the box 1 constituting the cubicle, and a support part that supports the upper part of the PCT is provided in the upper part of the box 1 constituting the cubicle. The support rails 2 having bolt fixing grooves 2a are vertically erected at the four corners of the box body 1,
A pair of first support beams 7 are located below the PCT, facing each other on the support rail 2, and are fixed with bolts 20 so that the vertical mounting positions can be changed, and to the first support beams 7, A support insulator 8 that supports the connection between the attached conductors 33 and 34 extending from opposite sides of the PCT and the lead wires 35 and 36 is fixed, and the first support beam 7
A second support beam 9 is fixed on the support rail 2 with bolts 22 so that the vertical mounting position can be changed, located below and on the input side attached conductor 34 side of the PCT. A bracket 42 that supports the terminal processing part of the input conductor 39 connected to the input side attached conductor 34 of the PCT and the zero-phase instrument transformer 40 is fixed on the support beam 9, and one of the first support beams 7 A wiring support fitting 10 is fixed to the support rail 2 with bolts 24 so that the vertical mounting position can be changed, and is located below and on the side of the load-side attached conductor 33 of the PCT. Since the cubicle is constructed by fixing to the lead wire 35 on the load side of the PCT relayed to the support insulator 8 on the first support beam 7, it can easily accommodate PCTs of various sizes and the conductor wire can be easily connected. Moreover, it can be supported reliably. Therefore, there is no need to design differently each time depending on the type of PCT, and it is possible to uniformly manufacture the cubicle.

[Brief explanation of the drawing]

Figures 1 to 8 show an embodiment of the present invention, in which Figure 1 is a schematic perspective view of a cubicle according to the present invention, and Figure 2 is a perspective view of a PCT support portion of a cubicle according to the present invention. , Fig. 3 is a plan view of the PCT support part, Fig. 4 is a front view of the PCT support part, Fig. 5 is a V-V sectional view, Fig. 6 is a plan view of the lead wire support part, and Fig. 7 is an input FIG. 8 is a plan view of the conductor support part, FIG. 8 is a front view of the wiring support fitting attachment part, and FIG. 9 is a PCT layout diagram of a conventional cubicle. DESCRIPTION OF SYMBOLS 1... Box body, 2... Support rail, 2a... Division groove, 7... First support beam, 8... Support insulator, 9...
...Second support beam, 10...Wiring support fitting, 11...
...Volt, 20...Volt, 22...Volt, 2
4... Bolt, 33, 34... Attached conductor, 35,
36... Lead wire, 39... Input lead wire, 40...
Zero-phase instrument transformer, 42...Bracket, PCT
...transformer.

Claims (1)

[Claims for Utility Model Registration] In a cubicle that suspends and accommodates an instrument transformer for power supply and demand inside a box, the upper part of the instrument transformer is supported in the upper part of the box that constitutes the cubicle. At the same time, support rails having a rectangular prism shape and having longitudinal bolt fixing grooves in the center of the four sides are vertically erected at the four corners of the box body, and are located below the instrument transformer. A pair of first support beams are fixed to each other on the column rails with bolts so that the vertical mounting positions can be changed, and a pair of first support beams are fixed to the first support beams by bolts extending from opposite sides of the instrument transformer. A supporting insulator supporting the connecting portion between the attached attached conductor wire and the input/output lead wire is fixed, and the support insulator is positioned below the first support beam and on the input side attached conductor wire side of the instrument transformer. A second support beam is fixed with bolts on the support rail so that the vertical mounting position can be changed, and the input conductor connected to the input side attached conductor of the instrument transformer is mounted on the second support beam. A bracket that supports the terminal processing section and the zero-phase instrument transformer is fixed, and the bracket is located below the one of the first support beams and on the load-side attached conductor side of the instrument transformer; A wiring support fitting is fixed with bolts on the support rail so that the upper and lower mounting positions can be changed, and the instrument transformer is relayed to the wiring support fitting to the support insulator on the one of the first support beams. A transformer housing cubicle characterized in that a lead wire on the load side of the transformer is fixed.