JP7198062B2 - Attachment and fixed structure using this - Google Patents

Description

TECHNICAL FIELD The present invention relates to an attachment for attaching a fixed object to an angle member, a C-shaped member or a T-shaped member, and a structure for fixing the fixed object using the same.

Conventionally, an angle member, a C-shaped member or a T-shaped member (hereinafter simply referred to as "angle member or the like") is used for a part of a structure. For example, there are cases where an L-shaped angle member, a C-shaped member, or a T-shaped member is used alone, or a T-shaped or cross-shaped member is used in combination with an angle member or the like. Such angle materials and the like are widely used for structures such as steel towers, machine foundations and frames for plant equipment, and the like.

For example, a display board such as a signboard or a sign, an antenna, or the like may be attached to a structure or the like using such an angle member or the like. In this case, it is common to drill holes in the angle material, etc., and fix the object to be fixed to the angle material, etc. with bolts or the like (for example, Patent Documents 1 and 2).

JP 2013-19233 A Japanese Patent Application Laid-Open No. 2007-132011

However, it takes a long working time to drill the holes in the angle material, etc., and there is a risk that the angle material, etc. will be damaged by the drilling process. On the other hand, if they are joined by welding or the like, welding work may be required, and after that, it becomes difficult to remove the fixed object.

The present invention has been made in view of such problems, and provides an attachment capable of easily fixing an object to be fixed to a structure such as an angle member without drilling, and an attachment using the same. An object of the present invention is to provide a fixing structure for a fixed object.

In order to achieve the aforementioned object, a first invention is an attachment for attaching an object to be fixed to a structure having plate-like portions in different directions , comprising: a first holding member; and a second holding member arranged to face one holding member, wherein at least the first holding member has first joints provided near both ends of the first holding member. and a first holding portion disposed inside the first joint portion and protruding toward a surface opposite to the second holding member , wherein the second holding member comprises the first a second joint portion and a second holding portion provided at sites corresponding to the joint portion and the first holding portion, respectively, wherein the first joint portion and the second joint portion are joint members The plate-like portion of the structure in one direction can be sandwiched between the first sandwiching portion and the second sandwiching portion when the structure is joined by A mounting portion having a space for avoiding interference with the plate-like portion in the other direction of the structure, and capable of mounting an object to be fixed to at least one of the first holding member and the second holding member. is provided.

The second holding member is a plate-like member, the second holding portion protrudes toward the first holding member, and the first holding portion and the second holding portion each The first holding member and the second holding member are formed separately in the width direction, and the structure can be held between the facing surfaces of the first holding portion and the second holding portion. It is desirable to have

At least the first clamping portion made of steel may be roughened.

Preferably, said structure is an angle, C-section or T-section.

According to the first invention, since the attachment can be attached to the structure by sandwiching the structure such as the angle member between the pair of holding members, drilling or the like to the structure is unnecessary. In addition, since the mounting portion is provided on one holding member, the object to be fixed can be easily fixed to the attachment.

Further, at this time, since the first clamping portion protrudes in the clamping direction, the structure can be clamped with stronger pressure, and displacement of the attachment with respect to the structure can be suppressed. In addition, since the portion other than the first holding portion is separated from the structure by the projection margin of the first holding portion, interference between other members such as rivets attached to the structure and the attachment is suppressed. be able to.

In addition, by protruding the second holding part in the holding direction in the same manner as the first holding part, the structure can be strongly held from both sides, and displacement of the attachment with respect to the structure can be suppressed more reliably. can be done.

In addition, roughening treatment is applied to the clamping surface of the first clamping portion, so that it is possible to more reliably suppress displacement of the structure with respect to the attachment.

In addition, such an attachment is particularly suitable when the structure is an angle member, a C-shaped member or a T-shaped member.

A second invention is a fixing structure using the attachment according to the first invention, comprising: a structure having plate-like portions in mutually different directions ; and a plate-like portion in one direction of the structure. an attachment fixed by being sandwiched between the first holding portion of the first holding member and the second holding portion of the second holding member ; and an object to be fixed attached to the attachment portion of the attachment. and a fixing structure.
It is desirable that any one of equipment, piping, or rivets of the structure is arranged on the first clamping member side of the structure, and interference with the first clamping member can be avoided by the space. .

The mounting portions are provided near both ends of the attachment, respectively, and a plurality of the attachments are arranged side by side. A connection member for connecting the attachments may be attached.

The fixed object may be either a display board or an antenna.

According to the second invention, a fixed object such as a display board or an antenna can be reliably fixed to the structure with a simple structure. At this time, a plurality of attachments can be connected and used according to the size and weight of the fixed object.

According to the present invention, there is provided an attachment capable of easily fixing an object to be fixed to a structure such as an angle member without drilling, and a structure for fixing the object to be fixed using the attachment. can be done.

FIG. 2 is an exploded perspective view showing the attachment 1; FIG. 2 is an assembly perspective view showing the attachment 1; FIG. 4A is a side view, and FIG. 4B is a cross-sectional view taken along line EE of FIG. The disassembled perspective view which shows the attachment 1f. The figure which shows the fixing structure 20. FIG. FIG. 6 is a cross-sectional view taken along line FF of FIG. 5; (a) is a cross-sectional view showing an attachment 1a, and (b) is a cross-sectional view showing an attachment 1b. FIG. 10 is a view showing a state in which a T-shaped member is sandwiched between attachments 1c, (a) is a side view, and (b) is a cross-sectional view taken along line GG of (a). FIG. 10A is a side view, and FIG. 1B is a cross-sectional view taken along the line HH of FIG. FIG. 10A is a side view and FIG. 1B is a cross-sectional view taken along line II of FIG. Fig. 3 shows a fixing structure 20; (a) is an enlarged view of part J in FIG. 11, and (b) is a sectional view taken along line KK of (a).

Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 is an exploded perspective view showing an attachment 1, and FIG. 2 is an assembled perspective view showing the attachment 1. FIG. Further, FIG. 3(a) is a side view showing, as an example, a state in which the T-shaped member 21a is sandwiched between the attachments 1, and FIG. 3(b) is a cross-sectional view taken along line EE of FIG. be.

The attachment 1 is mainly composed of a clamping member 3a as a first clamping member, a clamping member 3b as a second clamping member, a bolt 5, a nut 7, a washer and the like as joint members. The attachment 1 is a member for attaching an object to be fixed to an angle member or the like (angle member, C-shaped member, T-shaped member, or the like). Although the material of the holding member 3a and the holding member 3b is not particularly limited, it is made of steel, for example.

As shown in FIG. 3(b), joint portions 8a, which are first joint portions, are formed in the vicinity of both end portions in the length direction of one holding member 3a (left and right direction in FIG. 3(b)). be provided. A hole 15a is formed in each joint portion 8a. The hole 15a is a joint with the other holding member 3b.

Sandwiching portions 6a, which are first sandwiching portions, are provided inside the joint portions 8a. The holding portion 6a protrudes toward the side facing the holding member 3b. That is, the holding portion 6a protrudes downward from the lower surface of the joint portion 8a, and a step is formed between the holding portion 6a and the lower surface of the joint portion 8a.

The protrusion of the clamping portion 6a from the lower surface of the joint portion 8a is approximately several mm to 100 mm, more preferably approximately several mm to 50 mm. Interference with a rivet or the like (for example, D in FIG. 3) provided on the angle member or the like can be avoided by providing a sufficient protrusion margin. The length of the holding portion 6a (the length in the horizontal direction in FIG. 3(b)) is, for example, about 5 mm to 30 mm. By reducing the contact area between the clamping part 6a and the angle material, etc., the clamping part 6a can be pressed against the angle material, etc. more strongly, thereby suppressing slippage, etc. with respect to the angle material, etc. In order to further obtain such an effect, the clamping portion 6a may be roughened (red rust, blasting, etc.). In this case, since the area of the holding portion 6a is small, the processing is easy.

Moreover, the holding portion 6a is not formed continuously in the width direction of the holding member 3a (perpendicular to the longitudinal direction, which is defined as the left-right direction in FIG. 3A), but is separated at both ends in the width direction. formed by That is, the holding portion 6a is arranged separately at four locations. By doing so, the contact area with the aforementioned angle material or the like can be reduced, and the holding portion 6a can be further bitten into the angle material or the like. Further, as described above, even if a rivet or the like (D in FIG. 3) is arranged on the T-shaped member 21a, the angle member or the like can be clamped by the clamping portion 6a across the rivet.

Between the clamping portions 6a, a substantially central portion of the clamping member 3a becomes the top portion 4. As shown in FIG. That is, on both sides of the top portion 4, plate-like members are joined toward the holding member 3b, the holding portion 6a is formed outside the top portion 4, and the joining portion 8a is formed further outside the holding portion 6a. The top part 4 is a part higher in height than other parts.

A rib 11 is joined and reinforced from the top portion 4 to the joining portion 8a. The ribs 11 are arranged outside from the top portion 4 to the joint portion 8a, and are arranged in two rows in the width direction of the holding member 3a. In addition, the form of the rib 11 and the top part 4 is not restricted to the example shown in figure, and is not specifically limited.

A space 9 is provided below the top portion 4 of the holding member 3a on the side facing the holding member 3b, which will be described later. The space 9 is formed over the entire width direction of the holding member 3a. The space 9 is a part for avoiding interference with angle members and the like. In the illustrated example, equipment (A in FIG. 3B), piping (B in FIG. 3B), rivets (C in FIG. 3B), etc. are arranged above the T-shaped member 21a. Even if the space 9 is large enough, interference with the clamping member 3a can be avoided. In addition, in the present embodiment, the holding member 3a has a symmetrical shape when viewed from the front.

The holding member 3b is a plate-like member and is arranged so as to face the holding member 3a. In the holding member 3b, the portion facing the holding portion 6a of the holding member 3a is the holding portion 6b, which is the second holding portion, and the portion facing the joint portion 8a of the holding member 3a is the second joint portion. 8b. That is, the holding portion 6b is also arranged separately at four locations. A rib 17 is provided on the rear side of the holding member 3b.

The holding portion 6b protrudes toward the holding member 3a. Therefore, when the angle material or the like is sandwiched between the sandwiching portions 6a and 6b, the contact area between the sandwiching portion 6b and the angle material can be reduced. It is possible to suppress the deviation from the material or the like.

Note that, as in the attachment 1f shown in FIG. 4, the holding portions 6a and 6b may be formed continuously in the width direction of the holding member 3a. That is, the holding portions 6a and 6b may be arranged separately at two locations (one at each location in the longitudinal direction of the holding member 3a). In this way, the arrangement of the holding portions 6a and 6b is not particularly limited as long as they protrude in the direction opposite to each other. It may be arranged only at one place, or it may be arranged separately at three or more places in the width direction. In addition, as long as the clamping portion 6a can clamp the angle material or the like sufficiently without deviation, the clamping portion 6b may be flat without protruding from other portions.

A hole 15b is formed in the joining portion 8b corresponding to the hole 15a of the joining portion 8a when the holding member 3b is arranged to face the holding member 3a. A bolt 5 is inserted through the holes 15 a and 15 b and joined with a nut 7 . That is, the holding member 3a and the holding member 3b are joined on both sides of the space 9 by bolts 5 and nuts 7, which are joining members. By doing so, as shown in FIGS. 3(a) and 3(b), the holding portion 6a of the holding member 3a and the holding portion 6b of the holding member 3b hold the T-shaped member 21a (angle member or the like). It is possible to clamp by sandwiching a part of. The joining members may not be the bolt 5 and the nut 7, the nut 7 may be integrated with the clamping member, and the hole 15a or the hole 15b may be formed with a female thread.

A mounting portion 13 extending in a direction protruding from the clamping member 3a is formed further outside the joint portion 8b of the clamping member 3b. The attachment portion 13 is provided with, for example, a hole, and can be attached with an object to be fixed.

The mounting portion 13 may be formed only on at least one side of the holding member 3b. Also, the mounting portion 13 may be formed on the side of the holding member 3a instead of being formed on the holding member 3b. That is, the mounting portion 13 is provided on at least one of the holding member 3a and the holding member 3b. Further, the mounting portion 13 may be formed so as to extend in the width direction of the attachment 1 instead of extending in the length direction. Moreover, the mounting portion 13 may be formed in the height direction of the attachment 1 (vertical direction in FIGS. 3A and 3B, above the holding member 3a or below the holding member 3b). Moreover, the mounting portion 13 does not necessarily need to project like a plate, and a hole may be formed directly at any position of the holding members 3a and 3b.

Next, an example of a fixing structure using the attachment 1 will be described. FIG. 5 is a diagram showing a fixing structure 20 using the attachment 1, and FIG. 6 is a sectional view taken along line FF of FIG. In addition, in FIG. 5, illustration of wiring etc. is abbreviate|omitted.

The structure 23 is, for example, a steel tower, an overhead wire pole, a beam between overhead wire poles, a column or beam of a building, or a part of a mechanical foundation or frame of equipment. A structure 23 is formed by a plurality of angle members 21 . In this embodiment, as shown in FIG. 6, a pair of L-shaped angle members 21 are arranged back-to-back, and are arranged in a substantially T-shape as a whole.

As described above, the angle member 21 of the structure 23 is sandwiched between the clamping members 3 a and 3 b to fix the attachment 1 to the structure 23 . In addition, as shown in FIG. 5, in this embodiment, a pair of attachments 1 are arranged side by side, and an example is shown in which they are fixed to the structure 23 by two pairs of attachments separated from each other at two locations. However, the number of attachments 1 arranged is not limited to the illustrated example.

A fixing plate 29 is fixed to one attachment portion 13 of the attachment 1 with a bolt 33 and a nut 31 . A metal fitting 27 is attached to the fixing plate 29 with a bolt or the like (not shown). The antenna 25 is, for example, an antenna for a mobile phone, PHS, or the like.

In this embodiment, the antenna 25 and its fixing member are exemplified as objects to be fixed to the angle member 21, but the objects to be fixed are not limited to this. The fixed object may be, for example, a signboard, an electronic signage (so-called digital signage), a sign, an identification board, a display board such as an indicator board, or the like. In this case, the display plate may be attached directly or indirectly to the attachment portion 13 in the same manner as the illustrated fixing plate 29 . Thus, the attachment 1 is not particularly limited to a fixed object.

As described above, when a plurality of attachments 1 are used side by side, the connecting member 35 is arranged on the other mounting portion 13 of the attachment 1 . That is, when a plurality of attachments 1 are used side by side, an object to be fixed is fixed to the mounting portion 13 on one side, and a connecting member that connects the plurality of attachments 1 to each other is provided to the mounting portion 13 on the other side. 35 is attached. In this manner, the attachments 1 can be connected to each other by providing the mounting portions 13 near both ends of the attachment 1 .

As described above, according to the present embodiment, since the space 9 is provided to avoid interference with the angle material or the like, there is no interference between the angle material or the like and the attachment 1, and the angle material or the like is clamped by the pair of clamping members 3a and 3b. be able to. Therefore, the attachment 1 can be fixed to the structure 23 without drilling an angle member or the like. Moreover, attachment and detachment of the attachment 1 are also easy as needed.

In addition, since the holding portions 6a and 6b protrude in directions facing each other, and the holding portions 6a and 6b can be strongly pressed against the angle material and the like, the holding portions 6a and 6b bite into the angle material and the like, and the holding member 3a and the holding member It is possible to suppress the displacement of the 3b with respect to the angle member or the like. Therefore, the fixed object can be fixed to the structure 23 more reliably.

In addition, by connecting a plurality of attachments 1 side by side as necessary, a large fixed object or the like can be easily attached.

In addition, by making the size of the space 9 sufficiently large relative to the angle material, etc., it is possible to support angle materials of multiple shapes, etc., and even if other parts are arranged in the angle material, is possible.

In addition, although this embodiment demonstrated the case where the T-shaped member 21a or a pair of angle members 21 were arrange|positioned, it is not restricted to this. FIG. 7(a) is a diagram showing an example using the attachment 1a.

The attachment 1a has substantially the same configuration as the attachment 1, but differs in the form of the holding portion 6a. In the following description, the same reference numerals as those in FIGS. 1 to 6 are given to the configurations having the same functions as those of the above-described embodiment, and overlapping descriptions are omitted. Further, in the following drawings, illustration of fixed objects is omitted unless otherwise specified.

When fixing to an L-shaped angle member 21 as in the attachment 1a shown in FIG. In this case, when the angle member 21 is sandwiched between the attachments 1a, a gap is formed between the joint portions 8a and 8b on the side where the sandwiching portion 6a is not provided.

FIG. 7(b) is a diagram showing an example using the attachment 1b. The attachment 1b has substantially the same configuration as the attachment 1, but differs in the form of the holding member 3b. A clamping member 3b of the attachment 1b is formed with a top portion 4 in substantially the same manner as the clamping member 3a.

A space 9 is formed between the top portions 4 of the clamping members 3a and 3b facing each other. That is, the space 9 is provided in both the clamping member 3a and the clamping member 3b. The attachment 1b can correspond to a structure in which the T-shaped members 21a are arranged back-to-back and are arranged in a substantially cross shape. In this case, the attachment portion 13 may be formed on one of the holding members 3b, or may be provided on both of the holding members 3a and 3b. Moreover, the attachment portion 13 may be formed on the top portions 4 of the holding members 3a and 3b, or may be provided outside the joint portions 8a and 8b.

There is no problem when the T-shaped members 21a are in back-to-back contact with each other. A spacer 37 is arranged in the gap between the T-shaped members 21a in the direction of sandwiching between the sandwiching members 3a and 3b. By doing so, it is possible to securely sandwich and fix the plurality of T-shaped members 21a between the holding members 3a and 3b.

In each of the above-described embodiments, an example in which the L-shaped angle member 21 or the T-shaped member 21a is arranged singly or in combination has been shown, but the present invention is not limited to this. For example, C-shaped members or the like may be arranged singly or in combination. In addition, as long as there is a portion that can be sandwiched between the sandwiching portions 6a and 6b, the structure to be sandwiched is not limited to an angle member, a T-shaped member, or a C-shaped member, and other structures may be used. . In this way, by forming the space 9 in a size and shape that does not interfere with the structure such as the angle member, it is possible to fix to objects having various cross-sectional shapes.

In addition, the attachment is not limited to one having a substantially rectangular space. FIG. 8(a) is a side view showing how the attachment 1c is used, and FIG. 8(b) is a cross-sectional view taken along line GG of FIG. 8(a). The attachment 1c has substantially the same configuration as the attachment 1, but the overall form is different. In the following description, the T-shaped member 21a is used, but it can be replaced with a C-shaped member or an angle member.

The sandwiching member 3a has a pair of ribs 11 facing each other, and the top portion 4 is arranged substantially in the center between the ribs 11, and the ribs 11 are joined together. A joint portion 8a is provided in the vicinity of both ends of the rib 11, and the tip portion of the rib 11 serves as a holding portion 6a inside the joint portion 8a. In addition, as described above, the holding portion 6a protrudes downward from the joint portion 8a. In this case, the outside of the holding portion 6a is formed obliquely toward the outside of the joining portion 8a.

The ribs 11 form a pentagonal space 9 having a substantially home base shape. That is, the vicinity of the apex 4 at approximately the center of the holding member 3a is the highest, and the height gradually decreases toward both sides from the apex 4. formed in Thus, the shape of the holding member 3a is not particularly limited, and any shape such as an inverted V shape or an arc shape can be applied.

Further, in each of the above-described embodiments, the attachment is configured by joining a plurality of plate-like members, but all of them may be configured integrally. FIG. 9(a) is a side view showing how the attachment 1d is used, and FIG. 9(b) is a sectional view taken along the line HH of FIG. 9(a). The attachment 1d has substantially the same configuration as the attachment 1, but differs in that each part is integrally configured. In the attachment 1d, both the holding members 3a and 3b are made of casting, for example.

The clamping member 3a is provided with joints 8a near both ends thereof, a clamping part 6a is formed inside the joints 8a, and a space 9 is formed between the clamping parts 6a. The space 9 has a substantially rectangular shape with curved corners. In this way, the clamping members 3a and 3b can also be constructed integrally.

Further, FIG. 10(a) is a side view showing the state of use of the attachment 1e, and FIG. 10(b) is a cross-sectional view taken along line II of FIG. 10(a). As with the attachment 1d, the attachment 1e is constructed by integrally forming each part. The attachment 1e differs in the form of the space 9 from the attachment 1d. In this way, even when each configuration is configured integrally, the form of the space 9 is not particularly limited and can be any form. In this manner, the holding members 3a and 3b may be formed by joining members such as plate-like ribs 11 by welding or the like, or may be integrally formed as a whole.

Note that the fixed object is not limited to an antenna, a display board, or the like attached to one angle member or the like. 11A and 11B are diagrams showing the fixing structure 20a, FIG. 12A being an enlarged view of part J in FIG. 11, and FIG. In the fixed structure 20a, the attachments 1 are arranged on the beams 41 that constitute the structure, and the respective attachments 1 are connected to each other by the braces 45 that are reinforcing members.

The structure 23a is composed of a beam 41 and a column 43 which are made up of the T-shaped member 21a. A pair of attachments 1 are arranged side by side and fixed to each of the beams 41 orthogonal to each other. At this time, the pair of attachments 1 are connected by the connecting member 35 at one mounting portion 13 . Similarly, a connecting member 35a is attached and connected between a pair of attachments 1 fixed to respective beams 41 orthogonal to each other. The connecting member 35 a is a plate-like member and is arranged obliquely with respect to the beam 41 .

Similarly, two pairs of attachments 1 connected by connecting members 35 and 35a are arranged at diagonal positions in the rectangular space surrounded by the pillars 43 and the beams 41 . Ends of braces 45 are attached to the respective connecting members 35a so as to connect the respective connecting members 35a. The brace 45 is arranged in a direction substantially orthogonal to the oblique portion of the connecting member 35a. In the example shown in FIG. 11, braces 45 are arranged in two directions by two pairs of connecting members 35a. A turnbuckle or the like (not shown) is used for the brace 45 .

In this way, the attachment 1 can also be used, for example, when attaching a reinforcing member to a structure for seismic reinforcement of a building. In this case, the reinforcing members are not fixed to the beams 41 and pillars 43, but can be attached to any part of the building. Although the brace 45 is arranged in the direction of 45 degrees with respect to the beam 41, it is not limited to this. The orientation of the brace 45 can also be adjusted by changing the shape (angle with respect to the beam 41) of the connecting member 35a.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the technical scope of the present invention is not influenced by the above-described embodiments. It is obvious that a person skilled in the art can conceive various modifications or modifications within the scope of the technical idea described in the claims, and these are naturally within the technical scope of the present invention. be understood to belong to

For example, it goes without saying that each configuration of the attachments described above can be combined with each other.

1, 1a, 1b, 1c, 1d, 1e, 1f Attachments 3a, 3b Clamping member 4 Top 5 Bolts 6a, 6b Clamping portion 7 Nut 8a, 8b Joint portion 9 Space 11 Rib 13 Mounting portion 15a, 15b Hole 17 Rib 20, 20a Fixing structure 21 Angle member 21a ……T-shaped member 23, 23a…… Structure 25……Antenna 27……Metal fitting 29……Fixing plate 31……Nut 33……Bolts 35, 35a……Connecting member 37…… ... Spacer 41 ... Beam 43 ... Column 45 ... Brace

Claims (8)

An attachment for attaching an object to be fixed to a structure having plate-like portions in different directions ,
a first clamping member;
a second holding member arranged to face the first holding member;
and
At least the first clamping member is provided between first joints provided in the vicinity of both ends of the first clamping member and the second clamping member disposed inside the first joints. and a first holding portion protruding toward the opposing surface ,
The second holding member has a second joining portion and a second holding portion provided at portions corresponding to the first joining portion and the first holding portion, respectively;
When the first joining portion and the second joining portion are joined by the joining member, the plate-like portion in one direction of the structure is moved between the first holding portion and the second holding portion. and a space is formed inside the first holding portion to avoid interference with the plate-shaped portion in the other direction of the structure,
An attachment, wherein at least one of the first clamping member and the second clamping member is provided with a mounting portion capable of mounting an object to be fixed. The second holding member is a plate-like member, the second holding portion protrudes toward the first holding member, and the first holding portion and the second holding portion each The first holding member and the second holding member are formed separately in the width direction, and the structure can be held between the facing surfaces of the first holding portion and the second holding portion. 2. An attachment according to claim 1, characterized in that there is . 3. The attachment according to claim 1, wherein at least said first clamping portion made of steel is roughened. 4. An attachment according to any one of claims 1 to 3, wherein said structure is an angle, C-section or T-section. A fixing structure using the attachment according to any one of claims 1 to 4,
a structure having plate-shaped portions in different directions ;
an attachment fixed by sandwiching the plate-like portion of the structure in one direction between the first holding portion of the first holding member and the second holding portion of the second holding member;
a fixed object attached to the attachment portion of the attachment;
A fixed structure comprising: The attachment portions are provided near both ends of the attachment,
A plurality of the attachments are arranged side by side, the object to be fixed is fixed to the attachment portion on one side, and a connecting member that connects the plurality of attachments is attached to the attachment portion on the other side. 6. The fixing structure according to claim 5. 7. The fixing structure according to claim 5, wherein the fixed object is either a display board or an antenna. Either a device, a pipe, or a rivet of the structure is arranged on the side of the first clamping member of the structure, and interference with the first clamping member can be avoided by the space. The fixing structure according to any one of claims 5 to 7 , characterized in that:

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