JPH10257612A - Box-body structure for receiving and distribution installation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce dimensions, for working easily, and to ensure a stable quality easily in a surface treatment by a method, wherein the box-body structure is provided with a body part, with a separable foundation base and with a roof part and a body part is constituted of an upper frame, of a lower frame and of various detachable members. SOLUTION: A box body for a receiving and distribution installation is constituted of a foundation base A11 of a body part 12A and of a roof part A13, and it has a structure which can be separated from each other, when the receiving and distribution installation is moved and transported. In addition, the body part A12 is constituted of an upper frame 11 of a lower frame 12 and of door frames 13, and it has a mutually detachable structure. Then, side faces on one side of reinforcement metal fittings 11a, 12a, which are installed at the upper frame 11 and the lower frame 12 and upper- and-lower mounting faces 13a which form the door frames 13, face each other so as to be coupled. In addition, side-face plates are attached so as to be detachable between circumferential parts of the upper frame 11 and the lower frame 12 in such a way that supports 14 between the door frames 13 are covered, and doors are attached to the door frames 13 so as to be detachable. As a result, the constituent members of the body part A12 can be separated, and they can be miniaturized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box structure of a power receiving and distribution facility provided with a transformer and the like.

[0002]

2. Description of the Related Art In recent years, in order to create an installation base for an installation location of a power receiving and distribution facility, a base base, which is a member constituting a box of the power receiving and distribution facility, has been separated from the power receiving and distribution facility, and the power receiving and distribution facility has been installed at the installation location. It has a structure that can be transported, and each of the members that make up the box is small, making it easy to manufacture and manage inventory, and there is little change over time in surface treatment and painting,
It is required to be of stable quality for a long time.

Conventionally, power receiving and distribution equipment of this type generally has a configuration as shown in FIGS. Hereinafter, the configuration will be described with reference to these drawings. As shown in FIGS. 19 to 21, the box structure has a main body portion 101, a roof 102 is connected to an upper portion, a base base 103 is connected to a lower portion, and a front surface 1 of the main body portion 101 is connected.
01a is a front door 104, and a rear surface 101b is a rear door 105, which is attached to the rear door 105 by a hinge structure or the like so as to be freely opened and closed. The left face 101c and the right face 101d of the main body part 101 are connected to the main body part 101 of another box body which is arranged side by side, but the left face 101c or the right face 101b of the main body part 101 which is the left end or the right end of the power receiving equipment is The side plates 106 and 107 are attached to the rim.

[0004]

However, the main body portion 101 is large because the ends of the constituent members are integrally framed by welding. On the other hand, regarding the small power receiving equipment, the main body 101
Although there was also a configuration in which the base base 103 was assembled using coupling means, the movement and transportation in a state where the components of the power receiving and distribution equipment such as a transformer were attached to the main body 101 were performed in the main body. Since the main body 101 was not sufficiently strong, the power receiving and distribution equipment could not be moved or transported by separating the main body part 101 and the base base 103.

[0005] Thus, the roof portion 102 and the main body portion 1
There is a major problem in that the main body portion 101 of the box body, which is a structure that can be divided into the base member 101 and the base 103, is formed by welding. Conventionally, a counterbore for countersunk screws is provided on the back plate that closes the opening on the back surface of the box body.However, the back plate requires cutting separately from the sheet metal process, and The dimensional tolerance at the position of the mounting hole or the position of the female screw for the flathead screw provided in the box had to be within 0.5 mm regardless of the distance between the flathead screws.

The present invention solves the above problems,
Installation of the base base at the installation site In power receiving and distribution equipment that can be postponed to the installation site to make the foundation, the outer dimensions of the components that make up the box can be reduced, processing is easy, and stable in surface treatment such as painting It is an object of the present invention to provide a box structure of a power receiving / distributing facility that can easily ensure the quality as described above.

Further, the box structure of the power receiving and distributing equipment which is suitable for mass production and which does not require counterbore cutting of a flat head screw on the back plate and does not require complicated dimensional accuracy control. It is intended to provide.

[0008]

According to a first aspect of the present invention, there is provided a power receiving and distributing facility box structure comprising a main body, a base base detachably attached to a lower side of the main body, and an upper side of the main body. A roof portion detachably mounted, wherein the main body portion includes an upper frame and a lower frame opposed to each other, and a door frame and a column detachably connected between peripheral edges of the upper frame and the lower frame. , A side plate that covers the column, and a door that is detachably attached to the door frame.

According to the box structure of the power receiving and distributing equipment according to the first aspect, the base of the power receiving and distributing equipment can be separated from the main body, so that the basic base is used for the foundation work for installing the power receiving and distributing equipment. The main body is constructed by assembling its components, so each of the components can be downsized, improving the transportation efficiency of the components, reducing the site area required for material management, and reducing the management burden. Can be made smaller,
The surface treatment equipment for painting can be reduced, and a box structure of power receiving and distribution equipment having excellent rust resistance, assembly workability, rigidity, and versatility can be provided, and the utility is high.

[0010] The box structure of the power receiving and distribution equipment according to claim 2 is as follows.
2. The door frame according to claim 1, wherein an upper surface parallel to a bottom surface of the main body portion is formed at an upper end portion of the door frame constituting the main body portion, and a lower surface parallel to the bottom surface of the main body portion is formed at a lower end portion of the door frame. And the lower surface constitutes a part of the bottom surface. According to the power receiving / distributing facility box structure of the second aspect, in addition to the same effects as those of the first aspect, troublesome adjustment work of the height dimension is not required in the assembly work process of the main body part, and the assembling work of the power receiving / distributing facility is achieved. Efficiency can be improved, and a box structure of power receiving and distribution equipment with high dimensional accuracy can be provided.

[0013] The box structure of the power receiving and distributing facility according to claim 3 is as follows.
3. The reinforcing bracket according to claim 2, wherein the upper frame and the lower frame constituting the main body portion have reinforcing brackets at four corners, the reinforcing bracket has a substantially L-shaped cross section, and one end face is connected to the upper frame and the lower frame. Is detachably connected to a door frame parallel to the door surface. According to the box structure of the power receiving and distributing facility according to the third aspect, in addition to the same effect as the second aspect, it is possible to eliminate the need for complicated adjustment of the depth dimension in the assembly work process of the main body portion, and to attach the door frame at an angle. The setting can be performed accurately and easily, the efficiency of assembling the power receiving and distribution equipment can be improved, and a box structure of the power receiving and distribution equipment with high dimensional accuracy can be provided.

[0012] The box structure of the power receiving and distribution equipment according to claim 4 is
In the third aspect, the column constituting the main body has a substantially U-shaped cross section, and holes are provided at regular intervals on the respective surfaces forming the substantially U-shape, and scales are provided on the column for easy dimensional measurement. It is a thing. According to the box structure of the power receiving and distributing facility according to the fourth aspect, in addition to the same effects as those of the third aspect, the power receiving and distributing facility is provided by providing the support columns with graduations at regular intervals that facilitate measurement of dimensions from the lower end. It is possible to easily set the mounting positions of the components constituting the power receiving and distributing facility, to improve the efficiency of assembling the power receiving and distributing facility, and to provide a box structure of the power receiving and distributing facility with excellent versatility.

According to a fifth aspect of the present invention, there is provided a power receiving and distributing facility box structure.
5. The column fixing device according to claim 4, wherein the upper frame and the lower frame forming the main body have a column fixing bracket on respective opposing surfaces, and the column fixing bracket has one end surface connected to the surface of the upper frame and the lower frame. One side of the column is detachably connected to one side of the metal fitting. According to the box structure of the power receiving and distributing facility according to the fifth aspect, the mounting state of the support can be accurately and easily determined, and the assembling efficiency of the power receiving and distributing facility can be improved.

According to a sixth aspect of the present invention, there is provided a power receiving and distributing facility box structure,
According to a fifth aspect of the present invention, the pillar fixing bracket has a substantially L-shaped cross section, and two outer surfaces thereof are in close contact with two inner surfaces of the pillar having a substantially U-shaped cross section. According to the box structure of the power receiving and distributing facility described in claim 6, in addition to the same effect as in claim 5, the mounting position of the support can be accurately determined, the adjustment work of the mounting position becomes unnecessary, and the coupling strength is improved. As a result, the rigidity of the strength of the box body can be improved, the efficiency of assembling the power receiving and distribution facility can be improved, and a box structure of the power receiving and distribution facility with high dimensional accuracy can be provided.

According to a seventh aspect of the present invention, there is provided a power receiving and distributing facility box structure.
In claim 6, a plurality of means for securing the joining pressure are provided on at least one pair of opposing surfaces of the inner surface of the column having a substantially U-shaped cross section and the outer surface of the column fixing bracket having a substantially L-shaped cross section. Things. According to the power receiving and distributing equipment box structure of the seventh aspect, in addition to the same effect as in the sixth aspect, the rigidity of the main body can be easily secured, and the power receiving and distributing equipment box having excellent rigidity can be secured. Body structure can be provided.

The box structure of the power receiving and distribution equipment according to claim 8 is:
A main body part, a base base detachably attached to a lower side of the main body part, and a roof part detachably attached to an upper side of the main body part, the main body part detachably attaches a side frame and a door frame. The door frame is detachably mounted on the side frame, and the door is detachably mounted on the door frame.

According to the box structure of the power receiving and distributing equipment according to the eighth aspect, the same effects as those of the first aspect can be obtained. A box structure for a power receiving and distributing facility according to claim 9, wherein a body portion having a front body portion and a rear body portion detachably connected to the front body portion is detachably attached to a lower side of the body portion. A base base, and a roof portion detachably mounted on the upper side of the main body portion, the front main body portion is a front door frame, a front left side frame detachably connected to both sides of the front door frame, and A front right side frame, a front door detachably attached to the front door frame, and a side plate detachably attached to the front left side frame and the front right side frame, and a rear body portion includes a rear door frame and , A rear left side frame and a rear right side frame detachably connected to both sides of the rear door frame, a rear door detachably attached to the rear door frame, and a detachable rear left side frame and a rear right side frame And a side plate attached to the main body.

According to the box structure of the power receiving and distribution equipment according to the ninth aspect, in addition to the same effects as those of the first aspect, the front main body part and the rear main body part can be manufactured separately. Can improve the assembly work efficiency. The power receiving and distributing facility box structure according to claim 10, wherein the front left side frame and the front right side frame forming the front main body portion and the rear left side frame and the rear right side frame forming the rear main body portion are set forth in claim 9. Has a reinforcing bracket on each side, the reinforcing bracket has a substantially L-shaped cross section, and its end face is connected to each side frame. The side of the reinforcing bracket is parallel to the door surface, and the front left side frame and the rear left side. The face frame, the front right side frame, and the rear right side frame are opposed and coupled.

According to the box structure of the power receiving and distributing facility described in claim 10, in addition to the same effects as in claim 9, the front body portion and the rear main body portion are connected to each other to form the box of the power receiving and distributing facility. Since the depth dimension is determined, it is easy to determine the outer dimensions in the assembly process, eliminating the need for dimension adjustment work, improving the efficiency of assembly work of the power receiving and distribution equipment, and improving the power receiving and distribution equipment with high dimensional accuracy. A box structure can be provided.

According to the eleventh aspect of the present invention, there is provided the box structure of the power receiving and distributing facility according to the eighth, ninth or tenth aspect, wherein the upper end and the lower end of the door frame and the side frame constituting the main body part are formed by the main body part. Has a top surface that is parallel to the bottom surface and forms a part of the top surface of the body portion, and has a bottom surface that forms a part of the bottom surface of the body portion. According to the box structure of the power receiving and distributing equipment described in claim 11, in addition to the same effects as in claim 8, claim 9 or claim 10, the height dimension of the box in the assembly process of the main body portion is determined. It can be performed accurately and easily, and the work of adjusting the height of the power receiving and distribution equipment is not required, and the efficiency of the assembly work of the power receiving and distribution equipment can be improved.
A box structure of power receiving and distribution equipment with high dimensional accuracy can be provided.

According to a twelfth aspect of the present invention, there is provided the box structure of the power receiving and distributing facility according to the eleventh aspect, wherein a corner of the main body portion has a substantially triangular prism-shaped reinforcing bracket for detachably connecting the door frame and the side frame. It is. According to the box structure of the power receiving and distributing facility described in claim 12, in addition to the same effects as in claim 11, the width of the panel box can be accurately and easily determined at the time of work in the assembly process of the main body portion. Yes, the coupling accuracy between the door frame and the side frame can be improved, the rigidity of the main body can be secured, the work of adjusting the panel width dimension and the setting angle of the door frame and the side frame can be easily performed, It is possible to provide a box structure of a power receiving and distributing facility that can improve the efficiency of facility assembling work, has high dimensional accuracy, and has excellent rigidity.

According to a thirteenth aspect of the present invention, in the box structure of the power receiving and distributing equipment according to the twelfth aspect, a reinforcing bracket is provided in a square of a side frame forming a main body portion, and the reinforcing bracket has a substantially L-shaped cross section. One end is connected to the side frame, and one side surface of the reinforcing bracket is detachably connected to the door frame in parallel with the door surface. According to the box structure of the power receiving and distributing facility according to the thirteenth aspect, in addition to the same effect as the twelfth aspect, the depth dimension of the box body can be accurately and easily determined in the assembling process of the main body part, and the main body part can be determined easily. The rigidity of the power receiving and distribution equipment eliminates the need for depth dimension adjustment work, facilitates the setting of the mounting angle of the door frame, improves the efficiency of assembly work of the power receiving and distribution equipment, and has high dimensional accuracy. Can be provided.

According to a fourteenth aspect of the present invention, in the power receiving / distributing facility box structure according to the thirteenth aspect, the cross section of the upper and lower portions of the side frame to which the side plate is detachably attached is substantially L-shaped, substantially U-shaped, and substantially T-shaped. And a column having a U-shaped cross section and having a plurality of mounting holes and scales for parts is detachably mounted on the side frame. According to the box structure of the power receiving and distributing facility described in claim 14, in addition to the effect of claim 13, a highly versatile structure can be easily realized, and the box structure of the highly versatile power receiving and distributing facility can be realized. Can be provided.

According to a fifteenth aspect of the present invention, in the box structure of the power receiving and distributing equipment according to the fourteenth aspect, the reinforcing bracket having a length corresponding to the depth dimension of the main body and having a substantially L-shaped or substantially U-shaped cross section is provided. It is detachably attached to one side surface of the side frame on which the face plate is mounted, parallel to the side plate. According to the box structure of the power receiving and distributing facility described in claim 15, in addition to the effect of claim 14, the rigidity of the main body can be easily maintained, and a box of the power receiving and distributing facility having excellent rigidity is provided. it can.

In the box structure of the power receiving and distribution equipment according to the present invention, a back plate, a box body having an opening to be closed by the back plate on a back surface, and an inner wall of the back plate are erected and penetrated by the box body. It is provided with a stat bolt and a nut fastened to the box via a flat washer from the inner surface of the box.
According to the box structure of the power receiving and distribution equipment according to claim 16, the back plate can be attached by tightening the nut through the flat washer from the space inside the box body, and the projection is formed on the back surface of the box body. Excellent structure that does not require precise dimensional accuracy, does not require counterbore cutting of countersunk screws on the back plate, and does not require complicated dimensional accuracy control. The power receiving and distribution equipment box can be easily provided.

According to a seventeenth aspect of the present invention, the interval between the stud bolts provided on the back plate is smaller than the opening width of the back plate mounting frame of the box body. It is wider than the difference between the board width opening dimension of the mounting frame and the outer dimension of the flat washer. According to the box structure of the power receiving and distributing facility according to the seventeenth aspect, in addition to the effect of the sixteenth aspect, the back plate mounting frame does not require a back plate fixing hole.

[0027] The box structure of the power receiving and distributing facility according to claim 18 is the power receiving and distributing facility box structure according to claim 17, wherein the back plate is divided, a backing plate is provided on each inner surface, and a corner cut is provided on each square. is there. According to the box structure of the power receiving and distributing facility described in claim 18, in addition to the same effect as in claim 17, the divided backboards are supported by the backing metal fittings, so that the backboards can be flush with each other. This facilitates the installation of the back plate and facilitates the work of assembling the power receiving and distributing equipment, thereby improving the efficiency of the assembling work of the power receiving and distributing equipment.

[0028]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A power receiving and distribution facility according to a first embodiment of the present invention will be described with reference to FIGS. The box of the power receiving and distribution facility in FIG. 2 includes a base base All, a main body part A12, and a roof part A13, and has a structure that can be separated from each other when the power receiving and distribution facility is moved or transported. The main body part A12 is composed of an upper frame 11, a lower frame 12, a door frame 13, and a support post 14, as shown in FIG. The upper frame 11 and the lower frame 12 are reference components for the depth dimension. Further, the door frame 13 is a reference component of the board width dimension.

FIG. 3 is a detailed explanatory view of a method of connecting the upper frame 11, the lower frame 12, and the door frame 13. The upper frame 11 includes a reinforcing bracket 11a having a substantially L-shaped cross section, a column fixing bracket 11b, and a door frame fixing bracket 1.
1c, and the lower frame 12 is a reinforcing bracket 12a having a substantially L-shaped cross section.
And a column fixing bracket 12b, and the door frame 13 is
12, an upper surface 13c and a lower surface 13b parallel to the bottom surface, and an upper and lower frame mounting surface 13a parallel to the door surface.

The lower surface 13b forming the door frame 13 forms a part of the bottom surface of the main body portion A12, and the lower surface of the door frame fixing metal 11c provided on the upper frame 11 and the upper surface 13c forming the door frame 13
Are screwed into the door frame fixing bracket 11c and the upper surface 13c.
A plurality of cls are provided, and the upper frame 11 and the door frame 13 are fixed by screws (not shown). The upper surface 13c is a reference surface for the height of the main body portion A12. Further, one side surface of the reinforcing brackets 11a and 12a provided on the upper frame 11 and the lower frame 12 and the upper and lower frame mounting surfaces 13a forming the door frame 13 are configured to be coupled to each other so as to face each other. The screw insertion holes 11al and 12a are provided in the upper and lower frame mounting surfaces 13a.
The upper frame 11 and the door frame 13 and the lower frame 12 and the door frame 13 are fixed by screws (not shown).

FIG. 4 is a detailed explanatory view of the shape of the column 14. The cross section of the column 14 is substantially U-shaped, and a plurality of mounting holes 14a for components and a plurality of scale holes 14b as scales are provided on each surface forming the column 14 at equal intervals. The scale hole 14b is a scale that facilitates dimensional measurement for the upper part of the column 14 from the lower end. For example, there are five mounting holes 14a for a part and one 10
And various numbers such as 15 pieces. The scale hole 14
“a” may be used for a mounting hole of a component.

FIGS. 5 and 6 are detailed illustrations of a method of fixing the support 14 to the upper frame 11 and the lower frame 12. FIG. The column fixing brackets 11b and 12b are fixed to opposing one side surfaces of the upper frame 11 and the lower frame 12, respectively.
b, 12b and the support post 14 have screw insertion holes 11bl, 12b.
bl, 14al each provided, and screws (not shown)
The support 14 is fixed to the upper frame 11 and the lower frame 12 by using.

FIG. 6 is a sectional view taken along line XX 'in FIG. The two outer surfaces forming the column fixing bracket 12b having a substantially L-shaped cross section and the two inner surfaces forming the column 14 having a substantially U-shaped cross section are arranged so as to be in close contact with each other. As means for securing, the fixing screw 15BT
4 and a screw fixing hole 12al,
Through the screw insertion hole 12bl provided at the end, and is fastened and fixed by a fixing nut 15N. This fixing method can be easily realized when the material and the thickness of the support 14 and the support fixtures 11b and 12b are the same. 15W is a flat washer and 15SW is a spring washer.

A side plate (not shown) is removably mounted between the periphery of the upper frame 11 and the lower frame 12 so as to cover the support 14 between the door frames 13. ) Is detachably attached. A power receiving and distribution facility according to a second embodiment of the present invention will be described with reference to FIGS. The box of the power receiving and distribution equipment in FIG. 8 includes a base base A21, a main body part A22, and a roof part A23, and has a structure that can be separated from each other. As shown in FIG. 7, the main body portion A22 includes a side frame 71, a door frame 72, a reinforcing metal member 73, and a support column 74, and has a structure that can be detachably attached to each other. The column 71b is joined to the side frame 71 by welding. The column 71b may have a shape having features as shown in FIG. 4 of the first embodiment. The side frame 71 is a reference component for the depth dimension.
The door frame 72 is a reference component for the board width dimension.

FIG. 9 is a detailed explanatory view of a method of connecting the side frame 71, the door frame 72, and the reinforcing bracket 73. The side frame 71 is provided with a fixing bracket 71a having a substantially L-shaped cross section, and the door frame 72 is formed of a main body portion A.
An upper surface 72c and a lower surface 72b parallel to the bottom surface of the motor 22 and an upper and lower frame mounting surface 72a parallel to the door surface are formed. The lower surface 72b forming the door frame 72 forms a part of the bottom surface of the main body part A22, and the upper surface 72c forming the door frame 72 forms a part of the ceiling surface of the main body part A22. The upper surface 72c serves as a reference surface for the height dimension of the main body portion A22. Side frame 71
One side surface of a fixing metal member 71a serving as a reinforcing metal member and a side frame mounting surface 72a that forms the door frame 72 are configured to be opposed to each other and coupled to each other. The fixing metal member 71a and the side frame mounting surface 72a include: A plurality of screw insertion holes 71al and 72al are provided, and the side frame 71 and the door frame 72 are fixed by screws (not shown).

A reinforcing bracket mounting surface 71c forming the side frame 71 and a side frame mounting surface 73a forming the reinforcing bracket 73 are provided.
And a reinforcing bracket mounting surface 72d forming the door frame 72 and a door frame mounting surface 73b forming the reinforcing bracket 73 are configured to be coupled to each other, and the reinforcing metal mounting surface 71c, the reinforcing bracket mounting surface 72d, and the side frame mounting surface are provided. The screw insertion holes 71cl, 72dl, 73al, 73b
are provided, and the side frame 71, the door frame 72, and the reinforcing bracket 73 are fixed by screws (not shown).

FIG. 10 is a detailed explanatory view of a method of fixing the support columns 74 and the side frames 71. The column mounting surface 71d forming the side frame 71 is one side surface forming an upper portion and a lower portion having a substantially L-shaped cross section and forming the side frame 71, and is formed on the same plane. 74 has a screw insertion hole 71
dl and 74a1 are provided, and the side frame 71 and the support column 74 are fixed by screws (not shown).

It is to be noted that the support column 74 may have a shape having characteristics as shown in FIG. In addition, the cross-sectional shapes of the upper portion and the lower portion constituting the side frame 71 are illustrated as substantially L-shaped,
It may be substantially U-shaped or substantially T-shaped. A side plate (not shown) is detachably attached to the side frame 71, and a door (not shown) is detachably attached to the door frame 72.

A power receiving and distributing facility according to a third embodiment of the present invention will be described with reference to FIGS. The box of the power receiving and distribution facility in FIG. 14 includes a base A31, a main body A32, and a roof A33, and has a structure that can be separated from each other. As shown in FIG. 13, the main body portion A32 includes a front main body portion A321, a rear main body portion A322, and a main body reinforcing bracket 93, and has a structure that can be attached to and detached from each other.

FIG. 11 is a configuration diagram of the front main body portion A321. The front main body portion A321 includes left and right front side frames 91, a door frame 72, and a reinforcing bracket 73, and has a structure that can be attached to and detached from each other. A column 91b is connected to the front side frame 91 by welding. The column 91b may have a shape having characteristics as shown in FIG. The front side frame 91 is a reference component for the depth dimension. The door frame 72 is a reference component for the board width dimension. Also,
A detailed diagram of a method of connecting the front side frame 91, the door frame 72, and the reinforcing bracket 73 is as shown in FIG.

FIG. 12 is a configuration diagram of the rear body portion A322. The rear main body portion A322 includes left and right rear side frames 92, a door frame 72, a reinforcing bracket 73, and a support column 74, and has a structure that can be attached to and detached from each other. A pillar 92b is connected to the rear side frame 92 by welding. The pillar 92b may have a shape having characteristics as shown in FIG. The rear side frame 92 is a reference component for the depth dimension. Further, the door frame 72 is a reference component of the board width dimension.

FIG. 9 is a detailed view of a method of connecting the rear side frame 92, the door frame 72, and the reinforcing bracket 73.
A detailed view of the method of connecting the rear side frame 92 and the support columns 74 is as shown in FIG. That is, the screw insertion hole 7 of the support 74
The screw insertion hole 92d1 aligned with 4a1 is
d. The support column 74 may have a shape having characteristics as shown in FIG. Further, the cross-sectional shapes of the upper portions 91c, 92c and the lower portions 91c, 92c constituting the side frames 91, 92 are substantially L-shaped, but may be substantially U-shaped or substantially T-shaped.

Further, side frames 91 and 92 constituting the main body portion
As shown in FIG. 9, as shown in FIG. 9, squares of the side frames 91 and 92 have reinforcing brackets 91 a and 92 a, the reinforcing brackets 91 a and 92 a have a substantially L-shaped cross section, and one end is connected to the side frames 91 and 92. One side surface of the reinforcing metal members 91a and 92a is detachably connected to the door frame 72 in parallel with the door surface. The upper and lower surfaces of the door frame 72 and the side frames 91 and 92 form part of the upper and lower surfaces of the main body.

FIG. 13 is a detailed explanatory view of a method of connecting the front main body portion A321, the rear main body portion A322, and the main body reinforcing bracket 93. The front side frame 91 has a substantially L-shaped cross section and is provided with one end of a fixing bracket 91e serving as a reinforcing bracket, and the rear side frame 92 has a substantially L-shaped cross section and connects both ends of a pillar 92b serving as a reinforcing bracket. One side forming the fixing bracket 91e and one side forming the column 92b are configured to be parallel to the door surface and to be coupled to each other so as to be opposed to each other. A screw insertion hole 91el is formed in the fixing metal 91e and the column 92b. , 92bl are provided, and the front side frame 91 and the rear side frame 92 are fixed by screws (not shown).

The main body reinforcing member 93 has a substantially L-shaped cross section.
A side frame mounting surface 93a forming the main body reinforcing metal fitting 93, a front side frame 91 forming the front right side frame and the front left side frame, and a rear side frame 92 forming the rear right side frame and the front right side frame are formed. The reinforcing frame mounting surfaces 91c and 92c are configured so as to face each other and are coupled to each other.
3a and the screw holes 9 in the reinforcing metal fitting surfaces 91c and 92c.
3al, 91cl, and 92cl are provided, respectively, and the main body reinforcing bracket 93, the front side frame 91, and the rear side frame 92 are fixed by screws (not shown). The end face of the main body reinforcing fitting 93 is formed parallel to the door face. In addition, the pillar 92 b forming the rear side frame 92 may be provided on the front side frame 91, and instead, the fixing metal 91 e forming the front side frame 91 may be provided on the rear side frame 92. Further, the cross-sectional shape of the main body reinforcing bracket 93 may be substantially U-shaped.

A side plate (not shown) is detachably connected to the side frames 91 and 92, and a door (not shown) is detachably connected to the door frame 72. A power receiving and distributing facility according to a fourth embodiment of the present invention will be described with reference to FIGS. The box Bl of the power receiving and distributing equipment shown in FIGS. 15 and 16 has a structure with no unevenness on the back surface, and the back surface is constituted by an upper back plate B2 and a lower back plate B3. Corner portions of the upper back plate B2 and the lower back plate B3 are subjected to corner cut, and lower portions are provided with backing metal fittings B21 and B31 to prevent slipping.

FIGS. 17 and 18 show a detailed view of a method of detachably connecting the box B1, the upper back plate B2, and the lower back plate B3. FIG. 17 is a sectional view taken along the line ZZ 'in FIG. A stud bolt B2BT is provided on the upper back plate B2, and the box body Bl and the upper back plate B2 are provided with a stud bolt B2BT, a fixing flat washer BWl, and a fixing spring provided on the inner surface of the upper back plate B2 by welding. It is fixed by a washer BSW1 and a fixing nut BN1.

In this case, the mounting width W1 of the stud bolt B2BT, the diameter w2 of the stud bolt B2BT, the outer dimension (diameter) W3 of the fixing washer BW1 and the back plate of the back plate mounting frame provided on the box B1. The dimensions Wl, W2, W3, and W4 are set so that the relationship of the opening width W4, which is the board width opening dimension of the mounting opening hole, is Wl + W2 <W4 <Wl + W3. That is, the interval between the stat bolts B2BT is smaller than the board width opening width W4 of the backboard mounting frame, and is wider than the difference between the board width opening width W4 of the backboard mounting frame and the outer dimensions of the flat washer BW1. Therefore, the stat bolt B2BT can be inserted into the opening hole, and can be fastened and fixed to the edge thereof by the flat washer BW1. Further, the fixing flat washer BWl may be a tapered washer. The lower back plate B3 has the same structure, and the stud bolt is represented by (B3BT).

FIG. 18 is a sectional view taken along the line YY 'in FIG. An upper back plate B2 has a non-slip patch plate B2.
1 are provided, and an upper back plate B2 and a lower back plate B
3, the outer surface B2a of the upper back plate B2 and the lower back plate B3
Has an outer surface B3a on the same plane. The mechanical strength can be easily increased by making the cross section of the backing plate B21 substantially L-shaped. Further, when the thicknesses of the plate members constituting the upper back plate B2 and the lower back plate B3 are the same, the structure can be easily realized.

[0050]

According to the box structure of the power receiving / distributing equipment according to the first aspect, the base base of the power receiving / distributing equipment can be separated from the main body, so that the basic base is used for the foundation work for installing the power receiving / distributing equipment. The main body is constructed by assembling its components, so each of the components can be downsized, the transport efficiency of the components can be improved, and the site area required for material management can be reduced and managed. The burden can be reduced, and the coating surface treatment equipment can be reduced.
A box structure of power receiving and distribution equipment having excellent rust resistance, assembling workability, rigidity and versatility can be provided, and the utility is high.

According to the power receiving and distributing equipment box structure of the second aspect, in addition to the same effects as those of the first aspect, troublesome adjustment of the height is not required in the assembly work process of the main body part, and the power receiving and distributing equipment is not required. As a result, it is possible to provide a box structure of power receiving and distribution equipment with high dimensional accuracy. According to the box structure of the power receiving and distributing facility according to the third aspect, in addition to the same effect as the second aspect, it is possible to eliminate the need for complicated adjustment of the depth dimension in the assembly work process of the main body portion, and to attach the door frame at an angle. The setting can be performed accurately and easily, the efficiency of assembling the power receiving and distribution equipment can be improved, and a box structure of the power receiving and distribution equipment with high dimensional accuracy can be provided.

According to the box structure of the power receiving and distributing equipment according to the fourth aspect, in addition to the same effects as those of the third aspect, by providing graduations at a constant interval on the support column, which can easily measure dimensions from the lower end, It is possible to easily set the mounting position of the components constituting the power receiving and distribution equipment, improve the efficiency of the assembling work of the power receiving and distribution equipment, and provide a box structure of the power receiving and distribution equipment with excellent versatility. .

According to the box structure of the power receiving and distribution equipment according to the fifth aspect, the mounting state of the support can be accurately and easily determined, and the efficiency of assembling the power receiving and distribution equipment can be improved. According to the box structure of the power receiving and distributing facility described in claim 6, in addition to the same effect as in claim 5, the mounting position of the support can be accurately determined, the adjustment work of the mounting position becomes unnecessary, and the coupling strength is improved. As a result, the rigidity of the strength of the box body can be improved, the efficiency of assembling the power receiving and distribution facility can be improved, and a box structure of the power receiving and distribution facility with high dimensional accuracy can be provided.

According to the box structure of the power receiving and distributing equipment described in claim 7, in addition to the same effect as in claim 6, the rigidity of the main body can be easily secured, and the power receiving and distributing power having excellent rigidity can be obtained. A box structure of the equipment can be provided. According to the box structure of the power receiving and distributing equipment according to the eighth aspect, the same effect as that of the first aspect is obtained.

According to the ninth aspect of the present invention, the power receiving and distributing equipment box structure has the same effects as those of the first aspect, and the front main body and the rear main body can be separately manufactured. Can improve the assembly work efficiency. According to the box structure of the power receiving and distributing facility described in claim 10, in addition to the same effect as in claim 9, the depth of the box of the power receiving and distributing facility is reduced by combining the front body portion and the rear body portion. Since it is determined, the external dimensions can be easily determined in the assembly process,
This eliminates the need for dimensional adjustment work, improves the efficiency of the assembly work of the power receiving and distribution equipment, and provides a box structure of the power receiving and distribution equipment with high dimensional accuracy.

According to the box structure of the power receiving and distributing equipment according to the eleventh aspect, the same effects as those of the eighth, ninth or tenth aspects can be obtained, and the height of the box in the assembly process of the main body portion. Can be determined accurately and easily, eliminating the need to adjust the height of power receiving and distribution equipment, improving the efficiency of assembly work for power receiving and distribution equipment, and improving the box structure of power receiving and distribution equipment with high dimensional accuracy. Can be provided.

According to the box structure of the power receiving and distributing equipment according to the twelfth aspect, in addition to the same effects as the eleventh aspect, the width of the panel box can be easily and accurately determined at the time of the work in the assembly process of the main body part. This improves the accuracy of the connection between the door frame and the side frame, as well as securing the rigidity of the main body, making it easier to adjust the panel width and set the mounting angle between the door frame and the side frame. In addition, it is possible to improve the efficiency of assembling the power receiving and distribution equipment, and to provide a box structure of the power receiving and distribution equipment having high dimensional accuracy and excellent rigidity.

According to the box structure of the power receiving and distributing facility according to the thirteenth aspect, in addition to the same effect as the twelfth aspect, the depth dimension of the box body can be accurately and easily determined in the assembling process of the main body part. The rigidity of the main body can be ensured, eliminating the need to adjust the depth dimension, making it easy to set the installation angle of the door frame, improving the efficiency of assembling the power receiving and distribution equipment, and achieving high dimensional accuracy. A box structure of power receiving and distribution equipment can be provided.

According to the box structure of the power receiving / distributing facility described in claim 14, in addition to the effect of claim 13, a highly versatile structure can be easily realized, and the box of the versatile power receiving / distributing facility can be realized. Can provide body structure. According to the box structure of the power receiving and distributing facility described in claim 15, in addition to the effect of claim 14, the rigidity of the main body can be easily maintained, and a box of the power receiving and distributing facility having excellent rigidity is provided. it can.

According to the box structure of the power receiving and distributing facility, the back plate can be attached by tightening the nut through the flat washer from the space inside the box body, and the back surface of the box body With no protruding shape, and does not require precise dimensional accuracy, and does not require countersunk cutting of a flat head screw on the back plate and complicated dimensional accuracy control. It is possible to easily provide a box body of power receiving and distribution equipment having excellent characteristics.

According to the box structure of the power receiving and distributing equipment according to the seventeenth aspect, in addition to the effects of the sixteenth aspect, the back plate mounting frame does not require a back plate fixing hole. According to the box structure of the power receiving and distributing facility described in claim 18, in addition to the same effect as in claim 17, the divided backboards are supported by the backing metal fittings, so that the backboards can be flush with each other. This facilitates the installation of the back plate and facilitates the work of assembling the power receiving and distributing equipment, thereby improving the efficiency of the assembling work of the power receiving and distributing equipment.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a main body of a power receiving and distribution facility according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of the power receiving and distribution equipment.

FIG. 3 is a partially exploded perspective view showing a combination of an upper frame, a lower frame, and a door frame of a main body.

FIG. 4 is a perspective view of a column of a main body.

FIG. 5 is a partially exploded perspective view showing a connection between a support, an upper frame, and a lower frame.

FIG. 6 is a sectional view taken along line XX ′ of FIG. 5;

FIG. 7 is an exploded perspective view of a main body according to the second embodiment.

FIG. 8 is an exploded perspective view of the power receiving and distribution equipment.

FIG. 9 is a partially exploded perspective view showing the connection between the door frame and the side frame.

FIG. 10 is a partially exploded perspective view showing the connection between the side frame and the support.

FIG. 11 is an exploded perspective view of a front main body according to the third embodiment.

FIG. 12 is an exploded perspective view of a rear body portion.

FIG. 13 is an exploded perspective view showing a coupling structure of a front body portion and a rear body portion.

FIG. 14 is an exploded perspective view of the power receiving and distribution equipment.

FIG. 15 is an exploded perspective view showing the back structure of the fourth embodiment.

FIG. 16 is a perspective view showing a state where an upper back plate and a lower back plate are attached.

FIG. 17 is a partially exploded sectional view taken along line ZZ ′ of FIG. 16;

18 is a partially exploded sectional view taken along line YY 'of FIG.

FIG. 19 is an exploded perspective view of a conventional example.

FIG. 20 is a side view of a conventional example.

FIG. 21 is a front view of a conventional example.

[Explanation of symbols]

 A11 Foundation base A12 Body part A13 Roof part A21 Foundation base A22 Body part A23 Roof part A31 Foundation base A32 Body part A33 Roof part B1 Box body B2 Back plate B3 Back plate B21 Patch plate fitting B31 Patch plate fitting A321 Front body portion A321 Main body part 11 Upper frame 11a Reinforcement fitting 11b Post fixing fixture 12 Lower frame 12a Reinforcement fitting 12b Post fixing fixture 13 Door frame 13a Upper and lower frame attachment surfaces 13b Lower surface 13c Upper surface 14 Support 14a Mounting hole 14b Scale hole 71 Side frame 71a Fixing bracket Pillar 72 Door frame 72a Upper and lower frame mounting surfaces 72b Lower surface 72c Upper surface 73 Reinforcement bracket 74 Support column 91 Front side frame 92 Rear side frame 93 Body reinforcement bracket B2BT Stud bolt BW1 Flat washer BN1 Fixing nut W1 Stud bolt mounting width W3 Flat Washer dimensions W4 opening width

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tadashi Ikeda 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (18)

[Claims] A body portion, a base base detachably attached to a lower side of the body portion, and a roof portion detachably attached to an upper side of the body portion; Facing upper frame and lower frame, a door frame and a support detachably connected between the peripheral edges of the upper frame and the lower frame, a side plate covering the support, and detachably attached to the door frame. A box structure of power receiving and distribution equipment characterized by comprising a closed door. 2. An upper surface parallel to a bottom surface of the main body portion is formed at an upper end portion of a door frame constituting the main body portion, and a lower surface parallel to a bottom surface of the main body portion is formed at a lower end portion of the door frame. The box structure of the power receiving and distribution equipment according to claim 1, wherein an upper surface is engaged with the upper frame, and the lower surface forms a part of the bottom surface. 3. An upper frame and a lower frame constituting a main body part are 4
A corner has a reinforcing bracket, the reinforcing bracket has a substantially L-shaped cross section, and one end face is connected to the upper frame and the lower frame, and one side of the reinforcing bracket is attached to and detached from a door frame parallel to the door surface. The box structure of the power receiving and distributing facility according to claim 2, wherein the box structure is connected as possible. 4. A column constituting a main body portion has a substantially U-shaped cross section, and mounting holes for parts are provided at equal intervals on respective surfaces forming the substantially U-shaped portion, and the column is provided with a scale for easy dimensional measurement. The box structure of the power receiving / distributing facility according to claim 3 provided. 5. An upper frame and a lower frame constituting a main body portion each have a column fixing bracket on an opposing surface, and the column fixing bracket has one end surface connected to the surface of the upper frame and the lower frame, The box structure of the power receiving and distributing facility according to claim 4, wherein one side surface of the column is detachably connected to one side surface of the column fixing bracket. 6. The box of the power receiving and distributing equipment according to claim 5, wherein the pillar fixing bracket has a substantially L-shaped cross section, and two outer surfaces thereof are in close contact with two inner surfaces of the pillar having a substantially U-shaped cross section. Body structure. 7. A plurality of means for securing a bonding pressure are provided on at least one pair of opposed surfaces of an inner surface of a column having a substantially U-shaped cross section and an outer surface of a column fixing bracket having a substantially L-shaped cross section. A box structure of the power receiving and distribution facility according to claim 6. 8. A main body part, a base base detachably mounted below the main body part, and a roof part detachably mounted above the main body part, wherein the main body part has a side surface. A power receiving and distributing facility comprising a frame and a door frame detachably connected to each other, a side plate being detachably attached to the side frame, and a door being detachably attached to the door frame. Box structure. 9. A body portion having a front body portion and a rear body portion detachably connected to the front body portion; a base base detachably mounted below the body portion; A roof portion detachably attached to an upper side, the front body portion includes a front door frame, a front left side frame and a front right side frame detachably connected to both sides of the front door frame, A front door detachably attached to the front door frame; and a side plate detachably attached to the front left side frame and the front right side frame. The rear body portion includes a rear door frame and the rear door. A rear left side frame and a rear right side frame detachably connected to both sides of the frame; a rear door detachably mounted to the rear door frame; and a detachable mounting to the rear left side frame and the rear right side frame. Box structure of power receiving and distribution equipment having a side plate to be used. 10. A front left side frame and a front right side frame forming a front main body portion and a rear left side frame and a rear right side frame forming a rear main body portion each have a reinforcing bracket on one side surface, and the reinforcing member is provided. The bracket has a substantially L-shaped cross section, and its end face is connected to each side frame. The side faces of the reinforcing bracket are parallel to the door surface, and the front left side frame, the rear left side frame, and the front right side frame, and The box structure of the power receiving and distribution facility according to claim 9, wherein the rear right side frames are coupled to face each other. 11. An upper end and a lower end of a door frame and a side frame constituting a main body portion have an upper surface which is parallel to a bottom surface of the main body portion and constitutes a part of an upper surface of the main body portion. The box structure of the power receiving / distributing facility according to claim 8, wherein the box structure has a lower surface constituting a part of the bottom surface. 12. The box structure of the power receiving / distributing facility according to claim 11, further comprising a substantially triangular prism-shaped reinforcing bracket for detachably connecting the door frame and the side frame at corners of the main body. 13. A side bracket constituting a main body portion has a reinforcing bracket in a square, the reinforcing bracket has a substantially L-shaped cross section, one end of which is connected to the side frame, and one side of the reinforcing bracket is a door. 13. The power receiving and distributing facility box structure according to claim 12, wherein the box structure is detachably connected to the door frame in a direction parallel to the surface. 14. A cross section of upper and lower portions of a side frame to which a side plate is detachably attached is substantially L-shaped, substantially U-shaped, and substantially T-shaped.
14. The box structure of the power receiving and distribution equipment according to claim 13, wherein a column having a U-shaped cross section and having a plurality of mounting holes and scales for parts is detachably mounted on the side frame. 15. A reinforcing bracket having a length corresponding to the depth dimension of the main body portion and having a substantially L-shaped or substantially U-shaped cross section can be attached to and detached from one side surface of a side frame on which a side plate is mounted, parallel to the side plate. The box structure of the power receiving and distribution facility according to claim 14, wherein the box structure is attached to the power receiving and distribution facility. 16. A back plate, a box body having an opening closed by the back plate on the back surface, a stud bolt erected on the inner surface of the back plate and penetrated by the box body, and an inner surface of the box body. A box structure of power receiving and distribution equipment, comprising: the stat bolt; and a nut fastened to the box via a flat washer. 17. An interval between stud bolts provided on the back plate is smaller than a board width opening dimension of the back plate mounting frame of the box body, and a difference between the board width opening dimension of the back plate mounting frame and an outer dimension of the flat washer. 17. The box structure of the power receiving and distribution facility according to claim 16, which is wider. 18. The power receiving and distributing facility box structure according to claim 17, wherein the back plate is divided, a backing plate is provided on each inner surface, and a corner cut is provided on each square.