JP2002088896A - Support material for simple cover lid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To propose a rationally structured support material which can be used properly for a simple cover lid which is temporarily installed when an existing cover lid is repaired. SOLUTION: In a support material 1 for a simple cover lid for supporting a cover member Q, which is constructed over the lid receiving section P provided in the opening E of a water tank or a water passage to covers the opening E, the support material 1 has locking sections 11 which are supported abutting on opening side edges at positions opposing to each other or the receiving member W provided along the opening side edges, and locking sections 11 are connected to each other through a connection section 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support material used for a simple cover for covering a water tank or a lid receiving portion of a water channel, and more particularly, to the purpose of deodorizing only during a period in which an existing cover is removed for repair or the like. The present invention relates to a support material used for a temporary cover temporarily temporarily installed.

[0002]

2. Description of the Related Art Heretofore, a cover constructed to cover a water tank, a water channel, and the like has a beam structure using wood or the like. However, wood erodes over time. For this reason, materials made of lightweight and durable fiber reinforced plastics (FRP) have recently been used. Recently, synthetic wood made of long glass fiber reinforced plastic foam has been used. Things are widely used.

FIG. 15A shows a commonly used cover 100.
It is a top view which shows the erection situation. Such a cover 100
Is for covering an opening E such as a water tank or a water channel, and is installed on the lid receiving portion P adjacently. In particular, cover 1
When the deodorizing effect is required at 00, not only the sealing performance between the lids 100 but also the sealing performance between the lid 100 and the lid receiving portion P is required to be high.

FIG. 15B is a sectional view taken along the line AA of FIG. The cover 100 has a box shape in which a beam member 102 is joined to a lower surface of a face plate 101. The longitudinal ends of the face plate 101 are bridged over the side edges of the opening E, and the beam 102 below the face plate 101 is dropped into the opening E. In this erection structure, a sealing material S made of rubber or the like is attached along the side edge of the opening E, and both ends of the face plate 101 are brought into contact with the sealing material S, whereby the cover 100 and the cover receiving portion are formed. The sealing property with P is improved.

[0005] By the way, since the material of the cover made of FRP resin is deteriorated by long-term use, it is necessary to replace the cover after a predetermined period of time. On the other hand, the present inventors investigated facilities using a cover made of synthetic wood.
As a result, it has been found that even when a long period of 20 years or more has elapsed, the joint portion of the plate material is only partially peeled or damaged, and the plate material itself has not deteriorated. Therefore, the cover, in which such a joint was peeled or damaged, was reused by joining and reinforcing a reinforcing material made of synthetic wood using an epoxy adhesive or stainless steel screw, etc. ing.

[0006]

However, since it is difficult to repair a plurality of erection covers at the erection site,
Usually, they were once transported to a factory for repair, and then transported again to the erection location, erected and reused. For this reason, while the cover is being removed, the odor leaks, which causes environmental problems. In some cases, after removing the existing cover, the cover receiving portion may be covered with a concrete panel or sheet. However, since the cover receiving portion is used, a sufficient deodorizing effect cannot be obtained, and improvement is desired. Was.

The present invention proposes a support member having a rational structure that can be suitably used for a simple cover in terms of strength, weight, easiness of erection, and compatibility with a long span.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention proposes a support member for a simple cover which supports a cover member which is bridged over an opening of a water tank or a water channel and covers the opening. And an engaging portion which is supported in contact with an opening side edge or a receiving member provided along the opening side edge at a position where the engaging portions are connected to each other by a connecting portion.

According to the support member having this structure, the engaging portions provided at both ends of the connecting portion can be easily bridged between the opening side edges or between the receiving members so as to be brought into contact therewith. Even if the opening area is large, a large opening is defined by bridging the support material over the opening. This makes it easy to cover the cover member and eliminates the problem that the cover member falls into the opening.

[0010] The support member may include an upper support member for supporting the cover member so as to press the cover member from above. According to this configuration, the lower part of the cover member is supported by the support member and is supported so as to be pressed from above the cover member by the upper support member. This eliminates the problem that the cover member is blown by the wind and flies or falls into the opening.

[0011] It is also possible to provide a structure in which a restricting portion for restricting the displacement of the upper supporting material is provided in the locking portion of the supporting material.
According to this configuration, the displacement of the upper support with respect to the support is suppressed. Accordingly, even when the lid receiving portion does not particularly have a receiving member or the like, the displacement of the upper supporting member with respect to the supporting member is regulated, and the cover member can be stably supported.

The support may be simply placed over the opening side edges or between the receiving members, but it is preferable to fix the support to the frame of the lid receiving portion. That is, the fixing portion for fixing the locking portion to the frame of the lid receiving portion can be provided at the locking portion of the support member. According to this supporting material, the fixing piece can be fixed to the frame using the anchor bolt or the like. Therefore, the cover member can be stably supported by the support member. Further, according to the configuration including the upper support, the support can be firmly fixed to the frame while the cover member is sandwiched between the support and the upper support from above and below. Accordingly, there is no problem that the cover member shifts, is blown off by the wind, or falls into the opening, and the deodorization property is improved.

In the present invention, a structure may be employed in which the support member is previously curved in a convex arch shape in accordance with the length between the receiving members or between the opening side edges. The term “convex arched curve” as used in the present invention encompasses a shape that is bent upward with respect to the lid receiving portion, and a shape that is curved into a smooth curve or a shape that is bent into a fold line. Are collectively referred to.

Further, in the present invention, a structure may be employed in which the support member is curved and bridged between the receiving members or between the opening side edges in a convex arch shape. That is, the supporting member is made of a flexible material slightly longer than the length between the receiving members or between the opening side edges, and the supporting member is bent and erected.

A structure in which such a support is curved in advance,
Alternatively, according to the curved structure, the cover member supported by the support member also has a convex arch shape, so that rainwater does not accumulate on the cover member, and the load bearing capacity due to snowfall is improved. . The amount of deflection of the support is determined by the flexural rigidity (EI) of the material. When the span spanned is large, a material having a large second moment of area, that is, a material having a large cross-sectional area must be used, and the weight is inevitably heavy. Therefore, when the supporting material is bent and constructed in a convex arch shape and both ends are locked to a receiving frame or the like, the load bearing capacity is improved even with a material having the same second moment of area. That is, when a load is applied to a portion curved in the shape of a convex arch, drag occurs at the locking portions at both ends. This drag is applied to the load point as a force for compressing the support material in the longitudinal direction, thereby generating a drag against the load and improving the load bearing capacity. Therefore, when the support members are formed using the same material, the load bearing capacity can be improved by using a structure in which the support material is curved in a convex arch shape as compared with a structure in which the support material is not curved.

The curvature is preferably such that the length of the supporting member is increased by about 1 to 5% with respect to the length between the receiving members or the opening side edges. That is, if the increment of the length is less than 1%, the curvature is small, and the strength against snowfall and the like and the improvement of the rejection of rainwater are not seen. Further, if the increment of the length exceeds 5%, the curvature increases, the flexibility required for the support increases, and the compression force applied to the support by the load point and the drag generated at both ends of the support is increased. The support itself tends to buckle and the load strength decreases.

In the present invention, the connecting portion can be formed by a plurality of long connecting members. For example, it is possible to adopt a configuration in which two connecting members are arranged in parallel and engaging portions are joined to both ends thereof. According to this configuration, since the connecting portion is composed of a plurality of connecting members, the second moment of area in the longitudinal direction is increased while the weight is reduced by a relatively small cross section, and the bending rigidity (EI) is improved.

Further, a truss structure can be formed by bridging a reinforcing material between a plurality of long connecting members, so that the bending rigidity can be further improved while reducing the weight with a small cross-sectional area.

The support member of the present invention has an integral structure in which locking portions are fixed to both ends of the connecting portion. The connecting portion is divided at a predetermined portion in the longitudinal direction, and the divided connecting portions are directly connected to each other. Alternatively, it may be configured to be detachably connected via an extension member. That is, the other end of the connecting portion provided with the locking portion at one end is connected to each other to form one support member. The connecting portion may be divided at the center in the longitudinal direction, but may be divided at a portion other than the center. Since the connection parts can be detachably connected with bolts and nuts,
It can be disassembled and transported, and can be easily assembled at the erection site. Further, it is also possible to connect and connect another extension member between the connecting portions, and it is possible to correspond to a long span lid receiving portion. A plurality of connection holes for penetrating bolts can be provided in a connection portion between the connection portions or a connection portion between the connection portion and the extension member in a longitudinal direction of the connection portion or the extension member, so that the bolt is penetrated. The length can be adjusted by changing the holes. Further, it is also possible to provide a slit-shaped connecting hole in the longitudinal direction of the connecting portion or the extension member to adjust the total length. As the material of the connecting member, it is possible to use an aluminum material, an FRP drawn material, a laminated bent material formed by laminating synthetic wood, or the like, in addition to a steel material. In addition, the FRP drawing material means that a given cross-sectional shape is given by using a die to a molten resin material that is melt-kneaded by an extruder, pressure-fed and extruded, and is further cooled while regulating the shape and size by a drawing device. The FRP resin material refers to an FRP resin material formed by a manufacturing method using extrusion molding.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The support member of the present invention is used for erection of a simple cover. Therefore, prior to describing a detailed embodiment of the support member, a construction structure of the simple cover will be described.

FIG. 1 shows an example of a construction structure of a simple cover. The lid receiving portion P is provided with a step portion W along a side edge of the opening E, and the step portion forms a receiving member W.
First, an existing cover (not shown) provided on the cover receiving portion P is removed, and as shown in FIG.
The lower support member (support member) 1 is stretched over at a predetermined interval. Although the detailed structure of the lower support 1 will be described later, FIG.
(B) As shown in FIG.
Are fixedly welded symmetrically to the left and right ends of the locking portion 11 formed of a short L-shaped angle in a T-shape.

Next, as shown in FIG. 1 (d), a cover member Q is covered over the lower supporting member 1 over the entire surface of the opening E.
, So that the upper support member 2 is held between the receiving frames W. Although the detailed structure of the upper support member 30 will be described in detail, as shown in FIG. 1C, a locking portion 32 formed of a short L-shaped angle is provided at both ends of a connecting portion 31 formed of a long L-shaped angle. It is welded and joined symmetrically in a T-shape.

FIG. 1E is a sectional view taken along the line BB in FIG. 1D. That is, in this erection structure, the lower supporting member 1 is bridged between the receiving frames W of the opening E, the cover member Q is covered from above, and the upper supporting member 30 is received by pressing the cover member Q. It is erected so that it fits in. As a result, the cover member Q is sandwiched between the lower support member 1 and the upper support member 30, so that the cover member Q is unlikely to shift, be blown off by the wind, or fall into the opening E. In addition, since the cover member Q is pressed against the receiving frame W by the upper support member 2 and is brought into contact with the receiving frame W, the sealing property between the receiving frame W and the cover member Q is improved, and the deodorizing property is improved. In FIG. 1, the lower support 1 and the upper support 30
Are alternately arranged, but the cover member Q
The upper support member 30 may be arranged on the lower support member 1 with the.

In FIG. 1, since the scales of the upper support 30 and the lower support 1 with respect to the lid receiving portion P are not taken into account, these supports are drawn large. However, in an actual installation example, the size of the opening E of the lid receiving portion P is, for example, 4 m in length and 10 m in width, and the length of the upper support 30 and the lower support 1 is also 4 m or more. It becomes. The upper support 30 and the lower support 1 are 50
mm or about 65 mm L-shaped angle. The present invention proposes a support member having a rational structure used for erection of such a simple cover, that is, an upper support member and a lower support member. Hereinafter, examples of the present invention will be described.

Embodiment 1 FIG. 2A is a perspective view showing a lower support 1 for a simple cover according to the present invention. The lower support member (support member) 1 is a connecting portion 1 formed of a long L-shaped angle.
This is a configuration in which a short L-shaped angle locking portion 11 is welded to both ends of the “0”. The connecting portion 10 is disposed such that the horizontal portion 10a of the L-shaped angle is directed upward, and the substantially central portion of the vertical portion 11b of the locking portion 11 is abutted on both ends of the connecting portion 10 in a T-shape. The horizontal portion 11a of the locking portion 11 is welded and joined symmetrically so as to protrude outward in the longitudinal direction of the connecting portion 10. The horizontal portion 10a and the horizontal portion 11a are formed so as to be included in the same plane.
The cover member Q is supported in a planar shape to prevent damage.

FIG. 2B is a sectional view showing an example in which the lower supporting member 1 is erected on the lid receiving portion P. In this example, a step portion is formed on a side edge of the opening E of the lid receiving portion P to form a receiving frame (receiving member) W. The engaging portion 11 of the lower support 1 is hung over the opposing receiving frame W and installed. By laying the lower support member 1 on the lid receiving portion P, even if the opening E is large, the lower support member 1 separates the lower support member into small sections. Therefore, as described later, the cover member covered by the opening E The trouble of slipping into the opening E is reduced.
In the present embodiment, the lower support 1 is made of steel.
Light weight and high load strength.

(Embodiment 2) FIG. 3 (a) is a perspective view showing a lower support 2 of another embodiment according to the present invention. The lower supporting member 2 is different from the above-described lower supporting member 1 in the joining state of the locking portions 11. The connecting portion 10 is disposed such that the horizontal portion 10a of the L-shaped angle is directed upward.
0 horizontal portions 10a at both ends of the horizontal portion 10a
Are arranged so that the central portions of the side edges thereof abut each other in a T-shape and are welded and joined symmetrically. The horizontal portion 10a and the horizontal portion 11a are formed so as to be included in the same plane,
The damage to the cover member Q is prevented.

FIG. 3B is a sectional view showing an example in which the lower supporting member 2 is erected on the lid receiving portion P. This lid receiving portion P is shown in FIG.
This is the same as the lid receiving portion P shown in FIG. In this example,
The locking portion 11 of the lower support member 2 is laid over the receiving frame W of the lid receiving portion P so as to be erected. Also in the present embodiment, the lower supporting member 2 is made of steel, and is lightweight and has a large load strength.

(Embodiment 3) FIG. 4A is a perspective view showing a lower supporting member 3 of another embodiment according to the present invention. The lower supporting member 3 is a locking portion 11 of the lower supporting member 1 shown in FIG.
In this configuration, a restricting portion 11c and a fixing piece 11d are added. That is, a vertical portion 11c is provided in the vertical direction along the outer side edge of the horizontal portion 11a of the locking portion 11 to form a restricting portion 11c for restricting the displacement of an upper support member described later. A fixing piece 11 having a fixing hole is provided outside the regulating portion 11c.
d is provided. The fixing piece 11d is formed so as to be flush with the horizontal portion 11a of the locking portion 11.

FIG. 4B is a cross-sectional view showing an example in which the lower supporting member 3 is installed on a lid receiving portion P having no receiving frame. The horizontal portion 11a of the locking portion 11 of the lower support member 3 spans the side edge of the opening E, and the vertical portions 10b and 11b are connected to the opening E.
It is erected so that it is dropped into Then, the anchoring portion 11 is fixed to the frame of the lid receiving portion P through an anchor bolt 11f through a fixing hole 11e provided in the fixing piece 11d. According to the lower support member 3, the lower support member 3 itself is firmly fixed to the lid receiving portion P, so that no displacement occurs.
Further, since the locking portion 11 is provided with the restricting portion 11c, if the upper supporting member 30 is mounted on the lower supporting member 3 so as to be fitted between the restricting portions 11c, the position of the upper supporting member in the longitudinal direction can be improved. The deviation is regulated.

(Embodiment 4) FIG. 5A is a perspective view showing a lower supporting member 4 of another embodiment according to the present invention. The lower supporting member 4 has a configuration in which the connecting portion 10 is curved in a convex arch shape in the lower supporting member 1 shown in FIG.

FIG. 5B is a sectional view showing an example in which the lower supporting member 4 is erected on the lid receiving portion P. The lower support member 4 is installed similarly to the lower support member 1 shown in FIG.
By bending the connecting portion 10 upward, the load strength of the lower support member itself is improved. That is, when a load is applied to the connecting portion 10 downward, the connecting portion 10 tends to bend downward. However, since the vertical portion 11b of the locking portion 11 abuts on the inner wall of the opening E, a drag is generated from the lid receiving portion P toward the locking portion 11. This drag acts as a force to compress the curved connecting portion 10 in the longitudinal direction, and as a result, acts as a drag against the load. As a result, the load moment can be improved although the second moment of area is the same as compared with the case where no bending is performed. Further, according to the lower support 4 of the present embodiment, the cover member Q to be covered is curved in a convex arch shape along the lower support 4. As a result, drainage on the upper surface of the cover member is improved, and the problem of accumulation of rainwater or the like is eliminated. As another embodiment, a structure in which a plurality of connecting portions 10 are attached to the locking portion 11 to form a convex arch shape may be used. According to this structure, the plurality of connecting portions 10
Accordingly, the cover member Q is supported from below, so that the workability is improved.

(Embodiment 5) FIG. 6A is a perspective view showing a lower supporting member 5 of another embodiment according to the present invention. The lower supporting member 5 is formed by dividing the connecting portion 10 at a substantially central portion in the lower supporting member 1 shown in FIG. This is the configuration, and the same portions are denoted by the same reference numerals. Connecting part 10
Is provided with a connection hole 10c at the center end thereof. The center side ends of the connecting portion 10 are overlapped with each other to form a connecting hole 10.
By passing the bolt B through c and tightening it with the nut N, the lower support member 5 can be assembled.

FIG. 6B is a sectional view showing an example in which the lower supporting member 5 is erected on the lid receiving portion P. When the lower supporting member 5 is installed on the lid receiving portion P, the central portion of the connecting portion 10 is slightly inclined upward. Thereby, similarly to the lower support member 4 which is curved in an arch shape shown in FIG. Further, according to the lower support member 5, it can be transported in a state of being disassembled into a small size, and can be easily assembled at an installation place. In the lower support 5, only one connection hole 10 c is provided in the connection part 10, but a plurality of connection holes 10 c are provided in the longitudinal direction of the connection part 10.
c, and a connecting hole 1 through which the bolt B passes.
The total length can be adjusted by changing 0c. Also,
It is also possible to provide a slit-shaped connecting hole (not shown) in the longitudinal direction of the connecting portion 10 to adjust the overall length.

(Embodiment 6) FIG. 7A is a perspective view showing a lower supporting member 6 of another embodiment according to the present invention. The lower supporting member 6 divides the connecting portion 10 at a substantially central portion in the lower supporting member 3 shown in FIG. 4A, and joins the connecting portion 10 with the connecting portion 10 inclined slightly upward. This is the configuration, and the same portions are denoted by the same reference numerals. Connecting part 10
Is provided with a connection hole 10c at the center end thereof. The center side ends of the connecting portion 10 are overlapped with each other to form a connecting hole 10.
By passing the bolt B through c and tightening it with the nut N, the lower support member 6 can be assembled.

FIG. 7B is a sectional view showing an example in which the lower supporting member 6 is erected on the lid receiving portion P. Also in the lower support member 6, the load strength is improved for the same reason as the lower support member 5 shown in FIG. Also, the lower support member 6 can be transported in a state where it is disassembled into a small size, and can be easily assembled at an installation place. In the lower support member 6 of the present embodiment, the upper support member 30 is installed so as to be fitted between the regulating portions 11c provided at both ends of the lower support member 6, so that the upper support member 30 is also provided. A material having a tilted structure is used in the same manner as described above. Also in this lower support member 6, the connecting portion 1
0, only one connection hole 10c is provided.
A plurality of connecting holes 10c can be provided in the longitudinal direction of the head, and the total length can be adjusted by changing the connecting holes 10c through which the bolts B pass. It is also possible to provide a slit-like connecting hole (not shown) in the longitudinal direction of the connecting portion 10 to adjust the overall length.

(Embodiment 7) FIG. 8A is a perspective view showing a lower support 7 of another embodiment according to the present invention. The lower support member 7 is different from the lower support member 5 shown in FIG. 6A in that the locking portion 11 is formed using a rectangular pipe and the connecting portion 1 is formed.
The configuration is such that an extension member 20 is further interposed between the zeros. The extension member 20 of this embodiment has connection holes 20a at both ends of a long L-shaped angle. Then, the connection hole 10c of the connection portion 10 and the connection hole 20a of the extension member 20 are overlapped with each other, and the lower support member 7 can be extended by penetrating a bolt and tightening with a nut. This lower support member 7 can be suitably used for a long span lid receiving portion. In addition, it is also possible to adopt a configuration in which the connecting portion 10 is slightly inclined upward with respect to the locking portion 11 to improve the load strength.

FIG. 8B is a perspective view showing the lower support 8 in which the structure of the locking portion 11 of the lower support 7 shown in FIG. 8A is changed. That is, in the lower support member 7, the locking portion 11
Using a short grooved angle having a U-shaped cross section.
1 is welded and joined in a T-shape such that one end of the connecting portion 10 fits inside the groove.
The other configuration is the same as that of the lower support 7 shown in FIG. 8A, so that the same reference numerals are given and the detailed description is omitted.
FIG. 8C is a perspective view showing the lower support 9 in which the structure of the connecting portion 10 of the lower support 7 shown in FIG. 8A is changed. That is, the lower supporting member 7 has a configuration in which a rectangular pipe is used for the connecting portion 10, and the other configuration is shown in FIG.
Since it is the same as the lower support member 7 shown in (a), the same reference numerals are given and the detailed description is omitted. Lower support members 7, 8,
9 has a configuration in which connection holes 10c and 20a are provided at ends of the connection portion 10 and the extension member 20.
And a plurality of connecting holes 10c extending in the longitudinal direction of the extension member 20.
And a connection hole 10 through which the bolt B passes.
The total length can be adjusted by changing c. Further, it is also possible to provide a slit-shaped connection hole (not shown) in the longitudinal direction of the connection portion 10 or the extension member 20 to adjust the total length.

(Embodiment 8) FIG. 9 is a perspective view showing a lower support 21 of another embodiment according to the present invention. Lower support 2
Reference numeral 1 denotes a connecting portion 10 of the lower supporting member 6 shown in FIG.
It has a structure in which connecting members 10d each having a shape angle are connected and fixed to each other by a beam member 10e. According to the lower support member 21, the second moment of area is increased by a relatively small cross-sectional area in the longitudinal direction of the connecting portion 10, and the bending rigidity (EI) is improved and the weight is reduced.

(Embodiment 9) FIG. 10 is a perspective view showing a lower support member 22 according to another embodiment of the present invention. The lower supporting member 22 is further moved downward at the center of the connecting member 10d arranged in parallel at the connecting portion 10 of the lower supporting member 21 shown in FIG.
A connecting member 10f having a shape angle is arranged, and the connecting member 10f is formed.
A plurality of diagonal members 10g are bridged between d and the connecting member 10f to form a truss structure. The end of the connecting member 10f is fixed to the center of the engaging portion 11 by hanging an end plate 11g downward. According to the lower support member 22, since the connecting portion 10 has a truss structure, the second moment of area in the longitudinal direction increases, and the bending rigidity (EI) improves. The connecting portion 1 of these lower support members 21 and 22
8 is provided with a connection hole 10c at the end of the “0”.
By connecting and fixing the extension member 20 and the dedicated extension member (not shown) shown in (a), a support member having a long span and excellent load strength can be obtained. In the lower support members 21 and 22 described above, the connecting member 1 of the connecting portion 10 is used.
Although the connecting hole 10c is provided at the end of the connecting portion 10d, a plurality of connecting holes 10c can be provided in the longitudinal direction of the connecting portion 10, and the connecting hole 10c through which a bolt (not shown) passes is provided.
The total length can be adjusted by changing c. It is also possible to provide a slit-like connecting hole (not shown) in the longitudinal direction of the connecting portion 10 to adjust the overall length.

(Embodiment 10) FIG. 11 is a perspective view showing a lower supporting member 23 of another embodiment according to the present invention. The lower support member 23 includes a connecting portion 10 that forms a full-scale truss structure by hanging a vertical member 10j and a diagonal member 10k between an upper chord member 10h and a lower chord member 10i that are curved in a convex arch shape. Locking portions 11 are provided at both ends of the connecting portion 10. Since the locking portion 11 is formed in a groove frame shape, the cover member Q is covered over the lower support member 23, and a pressing member (not shown) in the shape of, for example, a square bar is locked so as to press the cover member. By fitting the cover member in the groove of the portion 11, the cover member can be brought into close contact with the locking portion 11 to improve the sealing property. According to the lower support member 23, since the connecting portion 10 has a full-scale truss structure, the second moment of area in the longitudinal direction is increased, the bending rigidity (EI) is improved, and the weight is reduced. Thereby, it can be suitably used also for a long span lid receiving part.

(Embodiment 11) FIG. 12 is an explanatory view showing a lower support 24 of another embodiment according to the present invention. The lower support member 24 has a truss beam structure in the connecting portion 10. The diagonal member 10m used for the connecting portion 10 has a structure in which a plurality of diagonal members 10m are pivotally opened and closed in a bellows-like manner as shown in FIG. 12A, and each pivot point is provided with a mounting hole. . As shown in FIG. 12 (b), the diagonal member 10m is opened, the upper chord members 10n, 10n are arranged upward and the lower chord member 10p is arranged downward, and the mounting hole of the diagonal member 10m and the upper chord member 10n and the lower chord member 10p are arranged. Align with the mounting holes and fix with bolts and nuts (not shown).

FIG. 12 (c) shows a truss beam assembled in this manner, which has a structure inclined from the center to the both ends of the upper chord material 10n. The connection part 10 is comprised using a set. Then, as shown in FIG. 12D, the lower support member 24 is formed by fixing both ends of the truss beam to fixing pieces 11 h provided at both ends of the locking portion 11. In addition, it is also possible to improve the rigidity of the lower support member 24 by bridging the girder member between the truss beams. According to the lower support member 24 of the present embodiment, the truss beam structure obtains a large secondary moment of area with a relatively small cross-sectional area in the longitudinal direction to improve the bending rigidity (EI). Further, since the lower support member 24 can be easily assembled or disassembled, it is convenient for transportation.

(Embodiment 12) FIG. 13A is a perspective view showing an upper support member 30 for a simple cover according to an embodiment of the present invention. The upper support member 30 has a configuration in which a locking portion 32 formed of a short L-angle is welded to both ends of a connecting portion 31 formed of a long L-angle. The connecting portion 31 is disposed so that the horizontal portion 31a of the L-shaped angle is downward, and the substantially central portion of the vertical portion 32b of the locking portion 32 is abutted on both ends of the connecting portion 31 in a T-shape. The horizontal portion 32a of the locking portion 32 is welded and joined symmetrically so as to face inward in the longitudinal direction of the connecting portion 30. This upper support 30
The horizontal portion 31a of the connecting portion 31 forms a substantially same plane with the horizontal portion 32a of the locking portion 32 while slightly retreating upward. Thereby, when the cover member Q is attached so as to be pressed, the cover member Q is prevented from being damaged due to planar contact.

In the present embodiment, the locking portion 32 is formed in a short shape. However, the end portions of the locking portion 32 of the adjacent upper support member 30 are changed according to the interval at which the upper support member 30 is installed. The length may be such that they can be butted against each other. According to this structure, the receiving member W
Or along the side edge of the opening E over the entire length, and the sealing performance is further improved. Further, by providing the packing on the lower surface of the horizontal portion 32a and the outer surface of the vertical portion 32b of the locking portion 32, the cover member Q can be more closely adhered to the receiving frame W and the side edge of the opening E, and the deodorization property is improved.

FIG. 13B is a perspective view showing the upper support member 40 in which the locking portion 32 is formed of a short rectangular pipe. In this embodiment, the horizontal portion 32a of the locking portion 32 and the connecting portion 31
Is formed so as to be flush with the horizontal portion 31a, so that the cover member is not damaged.

FIG. 13C is a perspective view showing an upper support 30 ′ having a structure in which the upper support 30 shown in FIG. 13A is modified. That is, in the upper support member 30, the connecting portion 3
1 is brought closer to the end of the locking portion 32 and welded. According to the upper support member 30 ', the horizontal portions 31a, 3
2a forms substantially the same plane. Therefore, in the erection structure shown in FIG. 1D, by erection at the corner portions on both ends of the longitudinal direction of the opening E, the cover member Q of the longitudinal side edge is brought into close contact with the receiving frame W, so that the sealing property is improved.

FIG. 13D is a perspective view showing an upper support member 40 'having a structure obtained by modifying the upper support member 40 shown in FIG. 13B. That is, in the upper support member 40, the connecting portion 31 is brought to the end of the locking portion 32 and welded. This upper support member 40 'also has horizontal portions 31a and 32.
a form the same plane, the upper support 3
It is suitable for the corner portion of the opening E like 0 ′.

(Embodiment 13) FIG. 14A is a perspective view showing an upper support member 50 of another embodiment according to the present invention. The upper support member 50 has a configuration in which the connecting portion 31 is divided at a substantially central portion in the upper support member 30 shown in FIG. A connection hole 31c is opened at the center end of the connection portion 31. The upper support member 50 can be assembled by overlapping the center-side end portions of the connecting portions 31 and passing the bolts B through the connecting holes 31c and tightening them with the nuts N.
In particular, when used for a long-span lid receiving portion P, it is possible to use the extension member 20 to cope with the problem. Note that the upper support member 40 shown in FIG. 13B can be similarly divided.

FIG. 14B is a perspective view showing an upper support member 60 obtained by modifying the upper support member 30 'shown in FIG. 13C. That is, the connecting portion 31 in the upper support member 30 '.
Is divided substantially at the center. The upper support member 60 is also assembled and used in the same manner as the upper support member 50, and can correspond to a long span by using the extension member 20. Further, it can be suitably used for the corner portion of the opening E. Note that the upper support member 4 shown in FIG.
It is also possible to adopt a similar structure for 0 ′. Although the above-described upper support members are all shown in a structure in which the connecting portion is not curved, it is preferable that the upper support members have a structure in which the connection portions are curved or bent in accordance with the shape of the lower support members. In the upper support members 50 and 60, the connection portions 31 and the extension members 20 are provided with connection holes 31c and 20a at their ends, but a plurality of connection portions are provided in the longitudinal direction of the connection portions 31 and the extension members 20. Holes 31c and 20a can be provided, and the total length can be adjusted by changing connection holes 31c and 20a through which bolts (not shown) are passed. Further, it is also possible to provide a slit-shaped connecting hole (not shown) in the longitudinal direction of the connecting portion 31 or the extension member 20 to adjust the total length.

[0051]

According to the support material for a simple cover of the present invention, the cover member is lightweight, has high load resistance, has excellent sealing properties between the cover member and the cover receiving portion, and is easily installed. Thereby, it can be easily installed in a short time, and an excellent deodorizing effect is achieved. In addition, when the connecting portion is divided, it is not bulky at the time of transportation and can be easily assembled, so that it is suitable as a support material for a simple cover for temporary installation.

[Brief description of the drawings]

1 (a) to 1 (e) are explanatory diagrams of a construction structure of a simple cover constructed using a support member and an upper support member of the present invention.

FIGS. 2 (a) and 2 (b) are a perspective view and a cross-sectional view of a support member (lower support member) according to an embodiment of the present invention in an installed state.

FIGS. 3A and 3B are a perspective view and a cross-sectional view of a support member (lower support member) according to another embodiment of the present invention, showing a erected state.

FIGS. 4A and 4B are a perspective view and a cross-sectional view of a support member (lower support member) according to another embodiment of the present invention in an installed state.

FIGS. 5A and 5B are a perspective view and a cross-sectional view of a support member (lower support member) according to another embodiment of the present invention in an installed state.

6 (a) and 6 (b) are a perspective view and a cross-sectional view of a support member (lower support member) according to another embodiment of the present invention in an installed state.

FIGS. 7A and 7B are a perspective view and a cross-sectional view of a support member (lower support member) according to another embodiment of the present invention, showing a erected state.

FIGS. 8A to 8C are perspective views of a support (lower support) according to another embodiment of the present invention.

FIG. 9 is a perspective view of a support (lower support) according to another embodiment of the present invention.

FIG. 10 is a perspective view of a support (lower support) according to another embodiment of the present invention.

FIG. 11 is a perspective view of a support (lower support) according to another embodiment of the present invention.

FIGS. 12A to 12D are explanatory views for assembling a supporting member (lower supporting member) according to another embodiment of the present invention.

13A to 13D are perspective views of a support (upper support) according to another embodiment of the present invention.

14A and 14B are perspective views of a support (upper support) according to another embodiment of the present invention.

15A is a top view showing a state where an existing cover is erected on a cover receiving portion, and FIG. 15B is a sectional view taken along the line AA of FIG.

[Explanation of symbols]

E opening P lid receiving portion Q cover member W receiving member (receiving frame) 1 to 9, 21 to 24 support material (lower support material) 30, 30 ', 40, 40', 50, 60 upper support material 10 connecting portion ( 10d Connecting member 10g Reinforcement material 10h Upper chord material 10i Lower chord material 10j Vertical material 10k Diagonal material 11 Locking portion (supporting material locking portion) 11c Regulator 11d Fixing piece 11e Fixing hole 20 Extension member 31 Connection Part (connection part of upper support material) 32 Locking part (locking part of upper support material)

Claims (10)

[Claims] 1. A supporting member for a simple cover which is hung over a cover receiving portion provided at an opening of an aquarium or a water channel and supports a cover member covering the opening, wherein an opening side edge or an opening side edge located at an opposing position. A support member for a simple cover, characterized in that the support member has a locking portion abutted against and supported by a receiving member provided along, and the locking portions are connected by a connecting portion. 2. The simple cover supporting member according to claim 1, wherein the supporting member includes an upper supporting member for supporting the cover member so as to press the cover member from above. 3. The support material for a simple cover according to claim 2, wherein a restricting portion for restricting a displacement of the upper support material is provided at a locking portion of the support material. 4. The fixing member according to claim 1, wherein a fixing piece for fixing the locking portion to the frame of the lid receiving portion is provided on the locking portion of the support member. Support material for simple lid. 5. A structure according to claim 1, wherein said support member has a structure which is curved in a convex arch shape in advance according to a length between said receiving members or a distance between said opening side edges. The support material for a simple cover according to claim 1. 6. The structure according to claim 1, wherein the support member is constructed such that the support member is bent and bridged between the receiving members or between the opening side edges in a convex arch shape. A support material for a simple cover according to the above item. 7. The support member for a simple cover according to claim 1, wherein the connecting portion is formed by a plurality of long connecting members. 8. A simple truss structure according to claim 1, wherein said connecting portion forms a truss structure by bridging a reinforcing material between a plurality of long connecting members. Support material for lid. 9. The simple cover according to claim 1, wherein the connecting portion forms a truss structure using an upper chord material, a lower chord material, a vertical material, or a diagonal material. Support material. 10. The apparatus according to claim 1, wherein the connecting portion is divided at a predetermined portion in a longitudinal direction, and the divided connecting portions are detachably connected to each other directly or via an extension member. The support material for a simple cover according to any one of claims 1 to 9.