JP2001258111A - Box body of metal closing type switch gear - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a box body of a metal closing type switch gear that can easily change the width of box, reduce the storage space of parts and also reduce the assembling time. SOLUTION: Horizontal beams 17 are allocated and fixed to be loaded or unloaded keeping the right-angle at the upper and lower ends between the vertical beams 11 allocated at the right and left sides in the front and rear surface sides, the front and rear beams 13 are fixed to be loaded or unloaded at the upper and lower ends between the vertical beams 11 at the front and rear surfaces, a front surface control panel 14 is allocated and fixed at the front surface side between the upper and lower front and rear beams 13, a rear surface control panel 15 at the rear surface side and a center pole 16 is allocated and fixed in vertical at the central area, a cable lead-in panel 12 having a cable lead-in port to guide the cable from the external side is allocated at the front rear surfaces between the upper and lower front and rear beams 13, a ceiling plate 19 is allocated and fixed to the upper surface of the upper cable lead-in panel 12, front and rear beams 13 and center beam 18, and a bottom plate 20 is allocated and fixed between the lower cable lead-in panel 12 and the front and rear beams 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal-closed switchgear box installed in a substation.

[0002]

2. Description of the Related Art FIGS. 5A and 5B show an example of a conventional metal-closed switchgear box, in which FIG. 5A shows an assembled state, FIG. 5B shows an exploded state, and FIG. FIG. 4A shows a state in which a wiring duct is attached to the box, in which FIG. 4A is a front view and FIG. In FIG. 5, a ceiling plate 3a is attached to an upper surface and a bottom plate 3b is attached to a lower surface between a front beam 1a and a back beam 1b formed by welding a metal member to a rectangular frame.

[0003] On a side surface surrounded by a front beam 1a, a rear beam 1b, a ceiling plate 3a and a bottom plate 3b, a vertical column 4 and a horizontal column 5 are provided in order to keep the box body of the metal-closed switchgear in a rectangular parallelepiped shape.
a, 5b and the corner fittings 6a, 6b are respectively attached. The front beam 1a, the back beam 1b, the ceiling plate 3a, the bottom plate 3b, the vertical pillar 4, the horizontal pillars 5a, 5b, and the corner fittings 6a, 6b are respectively fixed by bolts (not shown).

[0006] In FIG. 6, a mounting bracket 7 is attached to a front beam 1a.
And the wiring duct 8 is attached to the attachment 7. Similarly, back beam 1b, vertical column 4 and horizontal column 5a,
The mounting bracket 7 is also mounted on 5b, and the wiring duct 8 is mounted on the mounting bracket 7. Reference numeral 9 denotes a control wiring housed in the wiring duct 8.

[0005]

Generally, in the case of a metal-closed switchgear box, the width of the box varies depending on the form of the electrical equipment to which the switchgear is delivered. In a conventional metal-closed switchgear box, the front beam 1a and the back beam 1b are welded to a rectangular frame. Therefore, when the width of the box is changed, the front beam 1a and the back beam 1b are Not only must it be remanufactured, but a large space is required when storing the front beam 1a and the back beam 1b.

Further, since the number of parts constituting the box is large and the number of bolts for positioning and fixing each part is large, it takes time to assemble the box. Furthermore, since the wiring duct 8 protrudes into the inside of the box, the mounting space for the equipment to be installed inside the box is reduced.

Therefore, the present invention can easily change the width of the box in accordance with the form of the electrical equipment to which the product is to be delivered, can reduce the storage space for parts, and can easily position the parts. An object of the present invention is to provide a metal-closed switchgear box that can reduce the time required for assembling the box.

[0008]

In the metal-closed switchgear box according to the present invention, horizontal beams are disposed at upper and lower ends between vertical beams disposed on the right and left sides of the front side and the rear side, respectively. The horizontal beam is detachably fixed so that a right angle is maintained, front and rear beams are detachably fixed to upper and lower ends between the vertical beam on the front side and the vertical beam on the rear side, and between the upper and lower front and rear beams. A front control panel is arranged on the front side, a back control panel is arranged on the back side, and a middle pillar is vertically arranged and fixed in the center, and the front and the front between the upper and lower front and rear beams are fixed. On the back side, a cable lead-in panel having a cable lead-in port for drawing a cable from the outside is arranged, and a ceiling plate is placed and fixed on the upper surface of the cable lead-in panel, the front and rear beams and the center beam. , Between the cable entry panel and the front and rear beam of the lower and fixed is arranged a bottom plate.

The vertical beam is provided with a connection opening for determining a mounting position of the front and rear beams, and the connection projection of the front and rear beams is inserted and fixed in the connection opening. Is preferred.

[0010] Further, control wires are housed in the front and rear beams, the front control panel, the rear control panel, and the center pillar and fixed by a wiring fixture, and a contact surface between the front and rear beams and the front control panel is provided. It is preferable that a cutout for passing the control wiring is provided in a contact surface between the front and rear beams and the rear control panel and a contact surface between the front and rear beams and the center pillar.

In the above-mentioned metal-closed switchgear box of the present invention, the box width can be easily changed, the storage space for each component constituting the box can be reduced, and the wiring duct is formed in the box. The box does not jump out of the body, the assembling workability of the box is good, and the assembling time can be reduced.

[0012]

1 to 4 show an embodiment of a metal-closed switchgear box according to the present invention.
1A is an assembled view, FIG. 1B is an exploded view, FIG. 2 is an exploded front and rear view, FIG. 3 is a vertical beam connection opening and front and rear. FIG. 4 is a detailed view of the connection projection of the beam, FIG. 4 is a view showing a state where the control wiring is attached to the box, (A) is a front view, and (B) is a detailed view. In these figures, horizontal beams 17 are disposed at the upper and lower ends between vertical beams 11 disposed on the left and right sides of the front side and the rear side, and the vertical beams 11 and the horizontal beams 17 are connected so that a right angle is maintained. . As shown in FIG. 2, a connection opening 11 a for determining a mounting position of the front and rear beams 13 is provided on a mounting surface of the front and rear beams 13 of the vertical beam 11.

A front control panel 14 is disposed on the front side between the upper and lower front and rear beams 13, and a rear control panel 15 is disposed on the rear side. In the center between the front and rear beams 13, a middle pillar 16 is vertically arranged. The front control panel 14, the rear control panel 15, and the mounting surface of the middle pillar 16 of the front and rear beams 13 are provided with cutouts 22 for passing the control wiring 9.

The vertical beam 11 on the front side and the vertical beam 11 on the rear side
Front and rear beams 13 are arranged at the upper and lower ends in between, and a ceiling beam 18 is arranged at an intermediate position in the front and rear direction of the upper front and rear beams 13,
On the upper side of the upper horizontal beam 17 inside the box, cable entry panels 12 are arranged on the front side and the rear side, respectively. A ceiling plate 19 is disposed on the upper surface of the upper cable drop panel 12, the ceiling beam 18, and the left and right front and rear beams 18, respectively.

A cable lead-in panel 12 is disposed inside the lower horizontal beam 17 in the front-rear direction of the box, and a bottom plate 20 is disposed in a portion surrounded by the cable lead-in panel 12 and the lower front and rear beams 13. As shown in FIG. 4, control wirings 9 are arranged inside the front control panel 14, the back control panel 15, the center pillar 16, the cable entry panel 12, and the ceiling beam 18, respectively.

Next, the procedure for assembling the metal-closed switchgear box will be described. Two horizontal beams 17 are arranged at the upper and lower ends of the two vertical beams 11, and the horizontal beam 17 and the vertical beam 1 are arranged.
1 are fixed with bolts (not shown) to form a front portion and a back portion of the box. The connection projections 13b of the front and rear beams 13 are inserted into the connection openings 11a of the vertical beams 11, positioned, and then fixed with bolts (not shown) to form a skeleton of the box. Next, the cable lead-in panel 12 is fixed so as to contact the upper left and right front and rear beams 13 and the front and back horizontal beams 17, and the ceiling beam 18 is fixed to an intermediate portion of the front and rear beams 13. The ceiling plate is fixed with bolts (not shown) so as to cover the ceiling beam 17 and the ceiling beam 18.

A cable lead-in panel 12 is disposed on a horizontal beam 17 on the front and rear sides of the lower front and rear beams 13, and a bottom plate 20 is disposed on the inside surrounded by the lower cable lead-in panel 12 and the lower left and right front and rear beams 13. Each is fixed with a bolt (not shown). Next, the control wiring 9 is housed inside the front control panel 14, the back control panel 15, the center pillar 16, the cable entry panel 12, and the ceiling beam 18, and is fixed by the wiring fixture 21.

[0018]

According to the present invention, as is apparent from the above description, the box can be formed by vertical beams, horizontal beams, front and rear beams, front control panel,
By dividing into the center pillar and horizontal fixing bracket, providing the connection opening in the vertical beam and the front and rear beams, and providing the connection projections of the front and rear beams, the front control panel, the rear control panel and the center pillar,
The box width can be easily changed, the storage space for each component constituting the box can be reduced, the control wiring does not jump out of the box, and the box assembly workability is good. And the assembly time can be shortened.

[Brief description of the drawings]

FIG. 1 shows an example of an embodiment of a metal-closed switchgear box according to the present invention, in which (A) is an assembled state and (B) is an exploded state.

FIG. 2 is a view showing a state in which a front rear portion is disassembled.

FIG. 3 is a detailed view of the vertical beam, the front and rear beams, and a connection opening and a connection protrusion of the front control panel.

4A and 4B show a state in which a wiring duct is attached to the box body, wherein FIG. 4A is a front view and FIG. 4B is a detailed view.

5A and 5B show an example of a conventional metal-closed switchgear box body, in which FIG. 5A shows an assembled state, and FIG.
FIG. 3 is a diagram of a disassembled state.

6A and 6B show a state in which a wiring duct is attached to the box body, wherein FIG. 6A is a front view and FIG. 6B is a detailed view.

[Explanation of symbols]

 9 Control wiring 11 Vertical beam 12 Cable pull-in panel 13 Front and rear beam 13a Connection opening 13b Connection projection 14 Front control panel 14a Connection projection 15 Back control panel 15a Connection projection 16 Middle pillar 16a Connection projection 17 Horizontal beam 18 Ceiling beam 19 ceiling board 20 bottom board 21 wiring fixture 22 notch

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H02B 1/08 K F term (Reference) 4E360 AB02 AB14 AB20 AB51 BA02 BC05 EA12 ED02 ED03 ED06 ED27 GA06 GA49 GA53 GB92 5G016 AA04 CA05 CB01 DB01

Claims (3)

[Claims] 1. Horizontal beams are arranged at upper and lower ends between vertical beams disposed on the left and right sides of a front side and a rear side, and the vertical beams and the horizontal beams are detachably fixed so that a right angle is maintained, Front and rear beams are detachably fixed to upper and lower ends between the vertical beams on the front side and the vertical beams on the rear side, and a front control panel is disposed on the front side between the upper and lower front and rear beams, and on the rear side. A rear control panel is arranged, and a middle pillar is vertically arranged and fixed in the center, and a cable lead-in port for drawing in a cable from the outside is provided on the front and rear sides between the upper and lower beams. A ceiling panel is arranged and fixed on the upper surface of the upper cable lead-in panel, the front and rear beams and the center beam, and a lower portion is provided between the cable lead-in panel and the front and rear beams. A metal-closed switchgear box, wherein a bottom plate is arranged and fixed. 2. The vertical beam is provided with a connection opening for determining a mounting position of the front and rear beams, and a connection projection of the front and rear beams is inserted and fixed in the connection opening. 2. A box body for a metal-closed switchgear according to claim 1, wherein: 3. A control wire is housed in the front and rear beams, the front control panel, the rear control panel, and the center pillar, and is fixed by a wiring fixture, and a contact surface between the front and rear beams and the front control panel is provided. 3. The metal closure according to claim 2, wherein a notch for passing the control wiring is provided in a contact surface between the front and rear beams and the rear control panel and a contact surface between the front and rear beams and the center pillar. Box body for switch gear.