JP2598256Y2 - Switchboard framework and switchboard - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switchboard frame constituting a switchboard framework and to a switchboard constituted by the switchboard frame.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7, a distribution panel installed in an electric room cuts a frame pipe 30 into an appropriate length according to a space of an installation place, and fixes a fixing bracket 31 and a connecting bracket 32. A shelf is provided on the framed frame pipe, and electric distribution equipment such as CB, LBS, transformer, relay, control switch, etc. is attached thereto with a suitable fixture, and an instrument panel 33 is attached to the front. It was installed with electrical wiring.

[0003]

[Problems to be Solved by the Invention] However, as described above, the assembling work of the framework using the frame pipe is as follows.
For work such as cutting and connection at the work site, machine tools and work space are required, the work site is complicated, and it has become a dangerous work that it is difficult for a worker to perform processing and assembly. In particular, as shown in FIG. 7, the connection of the frame pipe 30 uses a connection fitting 32 composed of an L-shaped fitting, a U-bolt, a washer, and the like, which requires a complicated operation. Further, in order to accurately perform the cutting operation of the round frame pipe 30, since a special tool is used, skill for the operation is required. For this reason, labor saving and simplification of the work have been conventionally desired. In addition, as the capacity of transformers etc. has increased, the space of the electric room itself can no longer be taken,
Space saving is also desired.

On the other hand, as described above, the installation work of the switchboard is carried out by the procedures such as the frame pipe frame, the installation of the equipment, and the electric wiring. It is necessary to start over again, and there is also a problem that responsiveness to a change in the work procedure is low. Therefore, the purpose of the present invention is to easily and easily perform the assembling work of the framework without the need for various types of machine tools and work spaces, and also without the need for skill, etc. An object of the present invention is to provide a switchboard frame having a high degree of responsiveness and excellent workability, and a switchboard including the switchboard frame.

[0005]

According to a first aspect of the present invention, there is provided a switchboard frame assembly comprising: eight corner connecting brackets and twelve angle bars; Is a triangular pyramid shape in which three mounting surfaces are at right angles to each other. Screw mounting holes are provided on both sides of each ridge line portion of each of these mounting surfaces, and a large number of screw inserting holes are provided in both flanges of the angle bar in the longitudinal direction. Are arranged in a row, and the inner surface of the end of the angle bar is abutted against each ridge line of each mounting surface of the corner connecting bracket and screwed, thereby forming a rectangular parallelepiped frame.
A flat channel frame is provided on the lower surface in contact with the floor,
And the web of this channel frame has the angle bar
Provision of an anchor bolt insertion hole that matches the screw insertion hole
It is a thing .

According to a second aspect of the present invention, a front panel is mounted on one surface of a rectangular parallelepiped framework in the first aspect of the present invention. According to a third aspect of the present invention, there is provided a switchboard frame according to the first aspect of the present invention, wherein a distribution equipment mounting bar is mounted between the angle bars. According to a fourth aspect of the present invention, there is provided a switchboard frame according to the first aspect, wherein a shielding plate is provided on at least one surface of the rectangular parallelepiped frame.
I have.

According to a fifth aspect of the present invention, there is provided a switchboard according to the second aspect.
Electrical equipment for distribution is mounted on the front panel of the panel frame.
You . The switchboard according to claim 6 is for a switchboard according to claim 3.
Install the electric distribution equipment on the distribution equipment mounting rail of the frame.
I have.

[0008]

According to the structure of the first aspect, the corner connecting fitting has three
Each of the mounting surfaces has a triangular pyramid shape forming a right angle with each other, and screw insertion holes are provided on both sides of each ridge line portion of each of these mounting surfaces, and a number of screw insertion holes are provided in both flanges of the angle bar in the longitudinal direction. Are arranged in a row, so that the frame can be easily assembled in a rectangular parallelepiped shape simply by abutting the inner surfaces of the ends of the angle bars to the respective ridges of the mounting surfaces of the eight corner connection fittings and screwing them. For this reason, a work space is not required, and work such as cutting and various kinds of mechanical tools are not required, so that the assembling work can be omitted and simplified.
Also, by adjusting the fastening position between the screw insertion hole of the corner connection bracket and the screw insertion hole of the angle bar, fine adjustment of the assembly size of the framework can be easily performed, and fine adjustment during assembly and connection of the frameworks Enables expansion of the framework. Furthermore, since the angle bar has an L-shaped cross section, it can be cut easily, and the angle bar can be cut to reduce the size of the frame, which facilitates the response at the time of on-site construction of a switchboard or the like. . In addition, the rectangular framework
Screw insertion holes for angle bars on the lower surface in contact with the installation floor
Through the channel frame, for example, with a connector
The floor of the installation site
If the level is not flat, make a level according to the channel frame
Can be. Also, if you have anchor bolts on the floor,
Insert this into the channel frame web anchor bolt
Through the hole and the screw insertion hole of the angle bar.
Easily install channel frames and angle bars on the floor
Can be attached and installation is easy.

According to the second aspect of the present invention, since the front panel is mounted on one surface of the rectangular frame, instruments can be mounted on the front panel. According to the configuration of claim 3, since the distribution electric device mounting bar is mounted between the angle bars, the distribution electric device can be mounted on this bar. According to the configuration of claim 4, a rectangular parallelepiped frame
A shield is installed on at least one side of the set, so power distribution
Safety when configured as a panel can be maintained.

According to the fifth and sixth aspects,
The switchboard frame of claim 1 can be installed as a switchboard.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a corner connecting metal fitting 2 which is a basic member constituting a switchboard frame according to an embodiment of the present invention.
FIG. 3 is a perspective view showing the appearance and the assembled state of the angle bar 3, and the corner connection fitting 2 is formed in a triangular pyramid shape in which three mounting surfaces are perpendicular to each other. FIGS. 2A and 2B
(C) shows three mounting surfaces 2 of the corner connection fitting 2 respectively.
A, 2B and 2C are shown. Screw insertion holes 5 and 5 are provided on both sides of each ridge line portion of the mounting surfaces 2A, 2B and 2C, and screw insertion holes 6 for mounting anchor bolts, suspension rings and the like are provided in the center of the mounting surface. I have. Screw insertion holes 5 that are more formed long hole <br/>. The angle bar 3 is shown in FIG.
As shown, the length in the longitudinal direction of the flange portions 3A, 3B
To a large number of screw insertion holes 7, 7 ... the total length formed by hole
It is provided standing. In the figure, (a) is a side view,
(B) is a sectional view .

As shown in FIG. 1, the corner connecting fitting 2 and the angle bar 3 formed as described above are attached to the inner surface of the end of the angle bar 3 at each ridge of the mounting surfaces 2A, 2B, 2C of the corner connecting fitting 2. Are brought into contact with each other, and the screw insertion hole 5 of the corner connection fitting 2 and the screw insertion hole 7 of the angle bar 3 are aligned so as to overlap with each other and fastened with screws.

Therefore, eight corner connection fittings 2 are provided,
Twelve angle bars 3 are prepared, and eight corner connection fittings 2 are arranged so as to be each corner of a rectangular parallelepiped, and both ends of the angle bar 3 are connected to the corner connection fittings 2 as described above. Thus, a rectangular parallelepiped frame can be easily assembled. Further, fine adjustment of the framework can be performed by adjusting the fastening position between the screw insertion hole 5 of the corner connection fitting 2 and the screw insertion hole 7 of the angle bar 3. To change the size of the framework itself, the angle bar 3 may be cut to change the size. Since the angle bar 3 has an L-shaped cross section, it can be easily cut without using a special tool.

For assembling, for example, corner connecting fittings 2 are previously connected by welding to both ends of an angle bar 3 forming the depth direction of the bottom surface of the frame at the time of shipment from a factory, and the corner connecting fittings 2 are connected to the corner connecting fitting 2 in the width direction. Attach the angle bar 3 and assemble the frame on the bottom side first. Next, the angle bar 3 in the height direction is attached, the corner connecting metal fitting 2 is attached to the corner portion which becomes the upper surface, and the angle bars 3 in the depth direction and the width direction of the upper surface are attached, thereby completing the assembling of the framework.
FIG. 4 shows an example of assembling the switchboard frame assembly 1 thus assembled. As shown in the figure, the screw insertion hole 5 of the corner connection fitting 2 and the screw insertion hole 7 of the angle bar 3 can be used in common, and jointly fastened together at the connection portion D to arrange the switchboard frame assemblies 1 side by side. In the figure, (a) is a front view, and (b) is a side view. Also, another switchboard frame assembly 1 can be installed in a two-tiered configuration on the upper surface side.

If the front panel is mounted on one side of the distribution panel frame assembly 1 assembled as described above, a crossbar is mounted between the angle bars 3, and the electric distribution equipment is mounted on the front panel and the crossbar. Can be configured. FIG.
Three switchboard frame assemblies 1 assembled as described above
FIG. 2 is a side view illustrating a configuration example of a switchboard 101 configured by A, 1B, and 1C, in which a frame assembly 1A configures a low-voltage distribution chamber;
A panel 10 is attached to the front surface thereof, and instruments 11 are attached to the panel 10.

The frame 1B constitutes a transformer unit room,
A transformer 12 is provided. On the upper part of the frame assembly 1B, a frame assembly 1C is installed in a two-tiered configuration, and the frame assembly 1C is LS
Construct B charging room. An electric device mounting bar 13 is mounted in the vicinity of the center of the frame assembly 1C in a vertical direction, and a high-voltage load switch 14 is mounted on a bar mounted horizontally to the bar. In addition, a current transformer 15 is mounted on an electric device mounting bar mounted horizontally to the left-side angle bar 3 of the frame assembly 1C. Frames 1B and 1
Shielding plates 16 and 17 for protecting the charged portion are attached to the rear surface of C, respectively.

Channel frames 18 and 19 are provided on the lower surface of the frame assemblies 1A and 1B in contact with the installation floor, and insertion holes for anchor bolts are formed in the webs of the channel frames 18 and 19 and embedded in the floor. The frameworks 1A and 1B are installed and installed by the anchor bolts. When the installation floor is not horizontal, the level can be obtained by these channel frames.

The low-voltage power distribution room composed of the frame 1A and the transformer unit room composed of the frames 1B and 1C are connected by an angle bar 21 for connection. Is formed. The wiring between the LSB charging room and the wiring electric devices attached to the low-voltage distribution room is performed through the connection angle bar 21. As described above, when the switchboard is constructed by sharing the screw insertion hole 5 of the corner connection fitting 2 and the screw insertion hole 7 of the angle bar 3 and fastening together at the connection portion and arranging the frame assembly side by side, FIG. Thus, a plurality of switchboards can be installed in the electric room. Since the switchboards can be individually configured by the switchboard frame 1 of the embodiment, the switchboards can be configured as a unit for each system or function. In the figure, (a) is a plan view and (b) is a front view.

Further, when assembling the framework, as shown in FIG. 4, if the suspension bolt 25 is attached to the screw insertion hole 6 of the corner connection fitting 2, the members constituting the framework can be easily transported. In the case where an electric room is provided on the roof of a building as the capacity of the transformer is increased, the efficiency of the transportation operation and the efficiency of the installation operation can be improved. As described above, the switchboard frame assembly 1 according to the embodiment of the present invention has three mounting surfaces 2A, 2B, and 2C of the corner connection fitting 2.
Are formed in the shape of a triangular pyramid at right angles to each other, and screw insertion holes 5 are provided on both sides of each ridge of each of these mounting surfaces, and a number of screw insertion holes are formed in both flanges of the angle bar 3 in the longitudinal direction. Since the 7 are arranged in a row, the inner surfaces of the end portions of the 12 angle bars 3 are abutted on the respective ridges of the mounting surfaces of the 8 corner connection fittings 2 and screwed, so that they are assembled in a rectangular parallelepiped shape. , No need for cutting or other work,
Further, since various types of machine tools are not required, labor and simplification of the assembling work can be achieved, and a working space is not required.

Further, when the switchboard 101 is constructed using the switchboard frame assembly 1, the switchboard can be easily assembled and disassembled. It is possible to increase the degree of responsiveness to changes in the data.

[0021]

[Effect of the Invention] According to the switchboard frame of the invention, 8
The corner connection fittings and 12 angle bars have a basic configuration, and the three mounting faces of the corner connection fittings form a triangular pyramid at right angles to each other, and are provided on both sides of each ridge of each of these mounting faces. Since screw insertion holes are provided and a number of screw insertion holes are lined up in the longitudinal direction on both flanges of the angle bar, the inner surface of the end of the angle bar abuts on each ridge of each mounting surface of the corner connection bracket. The frame can be easily assembled in a rectangular parallelepiped shape by screwing. For this reason, a work space is not required, and work such as cutting and various kinds of mechanical tools are not required, so that the assembling work can be omitted and simplified. In addition, by adjusting the fastening position between the screw insertion hole of the corner connection bracket and the screw insertion hole of the angle bar, fine adjustment of the assembly size of the framework can be easily performed, and fine adjustment during assembly and connection of the frameworks Enables expansion of the framework. Further, the angle bar has an L-shaped cross section, and can be easily cut.
The angle bar can be cut to reduce the size of the framework,
It is easy to respond to on-site construction such as a switchboard. In addition, straight
Angle on the lower surface in contact with the installation floor of the rectangular frame
For example, connecting the channel frame through the screw insertion hole of the bar
Can be installed more easily.
If the floor is not horizontal,
You can get a level. Also anchor bolts on the floor
If you have a
-Bolt insertion hole and angle bar screw insertion hole
Through the channel frame and ang on the floor with anchor bolts
Lever can be easily installed, making installation easy.
You.

When a switchboard is constructed using the switchboard frame assembly, the switchboard can be easily assembled and disassembled, so that it is possible to immediately respond to changes in specifications and arrangements on site, and to change work procedures. For example, the degree of correspondence can be increased. Further, the switchboard can be configured as a unit, and a plurality of switchboards can be installed in various combinations.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an appearance and an assembled state of a corner connecting bracket and an angle bar which are basic members constituting a switchboard frame assembly according to an embodiment of the present invention.

FIGS. 2 (a), (b), and (c) are diagrams showing three mounting surfaces of a corner connection fitting, respectively.

FIGS. 3A and 3B are a side view and a cross-sectional view showing a configuration of an angle bar.

FIG. 4 is a diagram showing an example of assembling a switchboard frame assembly.

FIG. 5 is a side view showing a configuration of a switchboard constituted by a switchboard frame assembly.

FIGS. 6A and 6B are a plan view and a front view showing a state where a plurality of switchboards are installed.

FIG. 7 is a perspective view showing a configuration of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame assembly for switchboard 2 Corner connecting bracket 2A, 2B, 2C Mounting surface 3 Angle bar 5 Screw insertion hole 7 Screw insertion hole 10 Panel 11 Instrument 13 Electrical device mounting bar 16, 17 Shielding plate 18, 19 Channel frame 101 Switchboard

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kiyoyuki Tsuji 3-5 Takaida Hondori, Higashiosaka City, Osaka Prefecture Inside Uchigai Electric Works, Ltd. (56) References JP-A-55-111608 (JP, A) Opened 55-120203 (JP, U) Opened 54-114728 (JP, U) Opened 52-154633 (JP, U) Opened 3-84301 (JP, U) Opened 4-82973 (JP, U) JP, U)

Claims (6)

(57) [Scope of request for utility model registration] 1. Eight corner connection fittings and twelve angle bars, said corner connection fittings having a triangular pyramid shape in which three mounting surfaces are at right angles to each other. A screw insertion hole is provided on both sides of each ridge line portion, a number of screw insertion holes are arranged in a longitudinal direction on both flanges of the angle bar, and an end of the angle bar is provided on each ridge line portion of each mounting surface of the corner connection fitting. A frame is formed in a rectangular parallelepiped shape by abutting the inner surfaces of the frame and screwing , and a flat chamfer is attached to the lower surface of this frame that is in contact with the installation floor.
A channel frame is provided, and the web of this channel frame is
Anchor bolt matching the screw insertion hole of the angle bar
Switchboard frame with insertion holes for 2. The switchboard frame according to claim 1, wherein a front panel is attached to one surface of the rectangular frame. 3. The distribution panel frame according to claim 1, wherein a distribution device mounting bar is mounted between the angle bars. 4. The switchboard frame assembly according to claim 1, wherein a shielding plate is attached to at least one surface of the rectangular frame. 5. A switchboard having a switchboard frame assembly according to claim 2 and a power distribution device mounted on a front panel. 6. A power distribution panel, comprising: a power distribution equipment mounted on a power distribution equipment mounting bar of the power distribution panel frame according to claim 3.