JPH08260771A - Protective fence - Google Patents

Abstract

PURPOSE: To respond to an irregular sinking of neighboring caissons flexibly and to improve the appearance in the design by continuing rail members, when rail members are provided between columns erected along the plural neighboring caissons placing intervals, for example. CONSTITUTION: Between an upper hollow rail and a lower hollow rail 4, standing elements 5 are provided placing intervals to form a grid form unit. At both ends of the rail members 4 of the grid form unit, a coupling 7 having a projection 7b whose periphery is formed in a curved surface is projected, and the coupling 7 is installed to the rail members 4 so as to form a clearance 9 between the neighboring rail members 4 each other, as well as the projection 7a of the coupling 7 is sliding-contacted to the inner surfaces of the neighboring rail members 4. The projection 7a is formed at the tip side of the coupling 7. And a stopper 10 to block the lateral movement of the grid form unit is provided to the rail member 4 at the column 3 side, close to the coupling 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective fence installed on a seawall caisson or the like.

[0002]

2. Description of the Related Art For example, as shown in FIG. 5, when a plurality of caisson 1 are continuously installed to form a revetment and a protective fence is installed on the revetment, each caisson 1 is unequally sunk. In consideration of the above, the protective fence 2 is provided discontinuously independent of the adjacent caisson 1.

[0003]

DISCLOSURE OF INVENTION Problems to be Solved by the Invention The landscape may be damaged because the protective fence 2 is discontinuous. Therefore, as a means for dealing with the uneven settlement of the caisson 1, the protective fence 2
Some handrails are hinge-coupled, but it is difficult to continuously provide rail members arranged between columns that are erected at a distance, and the appearance is not good.

The object of the present invention is to solve the above-mentioned disadvantages of the conventional example, and to flexibly deal with uneven settlement when the rail member is arranged between the columns which are erected at a distance, and the rail member is It is to provide a protective fence that looks good by continuing.

[0005]

In order to achieve the above object, the present invention forms grid-shaped units by arranging standing members in rows between upper and lower hollow rail members to form a grid-shaped unit, and the rail members of the grid-shaped unit. A joint having projecting portions each having an outer peripheral portion formed into a curved surface is projectingly provided at both ends, and the projecting portions of the couplings are slidably and adjacent to the inner surfaces of the adjacent rail members on the side of the columns that are provided upright at intervals. The joint is inserted into the adjacent rail material so that a gap is formed between the rail materials, the projection is formed at the tip of the joint, and the rail material on the column side is provided with a grid-shaped unit. The gist of the present invention is to provide a stopper for preventing the lateral movement of the device close to the joint.

[0006]

According to the present invention as set forth in claim 1, the joints projecting from both ends of the rail member are inserted into and attached to the adjacent rail members on the side of the supporting columns which are erected at intervals. Is formed into a curved surface, the joint and the rail member in contact with the joint are connected to each other in a rollable manner.

By forming a gap between the adjacent rail members, rolling of the rail members is not hindered, and one rail member can be displaced from the other rail member.
It is possible to deal with uneven settlement of columns due to uneven settlement of caisson. Further, since the protrusions are brought into sliding contact with the inner peripheral surfaces of the adjacent rail members, they can be connected without causing rattling.

According to the second aspect of the present invention, in addition to the above action, the protrusion is formed at the tip of the joint, whereby the deviation amount of the other rail member with respect to the one rail member can be increased.

According to the third aspect of the present invention, in addition to the above action, the joint abuts on the stopper, whereby the lateral movement amount of the lattice unit with respect to the rail material on the column side is regulated, and the lattice unit is Can be held in place.

[0010]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a vertical sectional front view of a joint portion, which is a main part showing an embodiment of a protective fence of the present invention, FIG. 2 is a bottom view of the same, and FIG.
Is a longitudinal sectional front view of the main part of the same as above, and FIG. 4 is a front view of the entire protective fence. FIG.

The protective fence 2 of the present invention is also installed, for example, over a plurality of caissons 1, 1 ... Which are continuously installed, and columns 3 are erected at equal intervals, and between the columns 3, upper and lower hollows are provided. A grid-shaped unit 6 is formed by welding standing rails 5 arranged at intervals between the rail members 4 and 4 by welding the hollow rail member 4 to the support column 3. In this case, the upper hollow rail member 4 is a headstock, the lower hollow rail member 4 is a horizontal beam, and the material including the support columns 3 is, for example, an aluminum alloy.

FIG. 1 shows a column 3 standing upright on an adjacent caisson 1.
FIG. 3 shows a structure of a connecting portion between the upper rail member 4 which is a through-hole provided on the upper rail member 4 and the upper unit rail member 4 of the lattice-shaped unit 6, and as shown in FIG. Joints 7 are projectingly provided on both ends of the rail member 4 of the lattice unit 6.

As a means for projecting, the end of the joint 7 is inserted into the hollow portion of the rail member 4 and is fixed from the bottom of the rail member 4 with screws 8 or the like as shown in FIG.

The joint 7 is made of a shape material or a casting, and is generally cylindrical in shape. The outer diameter of the base end portion 7a is equal to the inner diameter of the rail material 4, and the tip end portion is smaller in diameter. Then, a protrusion 7b having a curved outer peripheral portion was formed at the tip thereof.

Then, the joint 7 is inserted into the hollow portion from the end opening of the adjacent rail member 4 which penetrates the column 3 standing upright at the end of the adjacent caisson 1. At this time, the joint 7 is inserted into the adjacent rail member 4 so that a gap 9 is formed between the adjacent rail member 4 and the rail member 4 to which the joint 7 is attached. The gap 9 is set to, for example, about 20 mm in consideration of expansion and contraction in the length direction due to the temperature difference. And
In this state, the bottom of the protrusion 7a of the joint 7 slides on the bottom of the inner peripheral surface of the adjacent rail member 4.

A stopper 10 for preventing lateral movement of the lattice unit 6 is provided close to the joint 7 on the rail member 4 on the side of the adjacent column 3 into which the joint 7 is inserted. This stopper 10
As shown in FIGS. 1 and 2, it is formed in a pin shape, and is provided in the support column 3 so as to vertically penetrate the rail member 4.

The lower rail member 4 is also connected to the adjacent lower rail member 4 attached to the column 3 standing upright at the end of the adjacent caisson 1 through the joint 7 similar to the above. However, the stopper 10 does not necessarily have to be provided at the lower connecting portion.

Further, in order to attach the rail member 4 of the lattice unit 6 between the columns 3 installed in the same caisson 1, as shown in FIG. For the rail material 4 of, Kasagi sleeve
Through 11, the cross beam sleeve for the lower rail material 4
It is fixed with screws 8 through 12 respectively.

The protective fence 2 installed over a plurality of adjacent caissons 1 as described above has good appearance because the columns 3 are arranged at equal intervals and the rail members 4 are continuous in the horizontal direction.

When only one of the adjacent caisson 1 is sunk unequally, the protrusion 7b formed at the tip of the joint 7 is located at the bottom inside the hollow of the adjacent rail 4 at the joint of the rails 4 to each other. Slide while making contact. At this time, since there is a gap 9 between the adjacent rail members 4 and 4, sliding of the rail member 4 can be performed smoothly without being hindered.

As a result, one rail member 4 can be displaced with respect to the other rail member 4, and it is possible to deal with uneven settlement of the caisson 1, that is, the column 3. Even if the rail members 4 and 4 are deviated from each other, the protrusion 7b of the joint 7 is in sliding contact with the inner surface of the other rail member 4, so that they can be connected without rattling.

Further, the expansion and contraction of the rail member 4 in the length direction due to the temperature difference can be absorbed by the gap 9 provided between the rail members 4 and 4.

Then, a joint 7 provided on one rail member 4
When one moves laterally inside the other rail member 4, since the stopper 10 is provided inside the other rail member 4, the movement amount is restricted by the tip of the joint 7 contacting the stopper 10, Thus, the lattice unit 6 can be restrained at a fixed position. Therefore, even if there is a gap, your fingers will not be pinched.

In the above-mentioned embodiment, the rail member 4 and the standing member 5 in the lattice unit 6 and the rail member 4 are connected to the support column 3 by welding. However, the present invention is not limited to this. It is also possible to adopt a fastening system.

[0025]

As described above, in the protective fence of the present invention, for example, when the rail member is arranged between the struts which are erected at intervals over a plurality of adjacent caisson, the caisson of the adjacent caisson is unequal. The subsidence can be dealt with flexibly, and since the rail material is continuous, the design looks good.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view of a joint portion which is a main part showing an embodiment of a protective fence of the present invention.

FIG. 2 is a bottom view of a joint portion which is a main part showing an embodiment of the protective fence of the present invention.

FIG. 3 is a vertical cross-sectional front view of an essential part showing an embodiment of the protective fence of the present invention.

FIG. 4 is an overall front view showing an embodiment of the protective fence of the present invention.

FIG. 5 is a front view showing a conventional example of a protective fence.

[Explanation of symbols]

 1 ... Caisson 2 ... Guard fence 3 ... Strut 4 ... Rail material 5 ... Stand 6 ... Lattice unit 7 ... Joint 7a ... Base end 7b ... Protrusion 8 ... Screw 9 ... Gap 10 ... Stopper 11 ... Heading sleeve 12 ... Horizontal beam sleeve

Claims (3)

[Claims] 1. A lattice unit is formed by arranging standing members in rows between the upper and lower hollow rail members, and the rail unit of the lattice unit has projections having curved outer peripheral portions at both ends. Joints are provided so that the protrusions of the joints are in sliding contact with the inner surfaces of the adjacent rail members on the side of the columns that stand upright at intervals and that a gap is formed between the adjacent rail members. A protective fence that is characterized by inserting the adjacent rail material. 2. The protective fence according to claim 1, wherein the protrusion is formed at the tip of the joint. 3. The protective fence according to claim 1, wherein a stopper for blocking lateral movement of the lattice-shaped unit is provided near the joint on the support rail side rail member.