JP2542337Y2 - Steel tube column gripping device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gripping device for a steel pipe column having a steel pipe column having a circular cross-section and a detachable ring provided so as to be wound around the outer periphery of the steel pipe column. It has been devised so that a stable and stable gripping force can be obtained by adapting to changes in the diameter of a wide range of steel pipe columns.

[0002]

2. Description of the Related Art A conventional steel pipe column gripping device is, for example, a type in which half flanges having a fastening portion at both ends are bolted together, or one end is hinged and a fastening portion is attached to the other end. There is a band type that can hold a steel pipe column by tightening the tightening portion with a bolt, and is used for a steel pipe column (a cylindrical filling body) such as a distribution pole or a transmission tower to a standing pole of a temporary column. And the same applies hereinafter) when attaching an additional device to a component using the same. As an example of these gripping devices, in the case of a power transmission pipe tower, a tower tower provided at a height of 3 m to 8 m above the ground for the purpose of preventing towers other than those concerned from climbing. When the gripping device is applied to a device, it is necessary to prepare a die for each type of steel pipe diameter and manufacture a band body. However, there has been a problem that inconvenience in handling and costs cannot be avoided. The diameter of the steel pipe to which the fastening by the gripping device is specifically applied is, for example, 318 mm, 457 mm, 914 mm,
It may be quite different, such as 16 mm, and it is necessary to change the application size of the above-mentioned gripping device according to the diameter of these different steel pipe columns, and the above-mentioned various kinds of dies must be prepared. Although the above described the case of power transmission pipe towers, substantially the same problem remains even in buildings using other steel pipe columns, and the gripping device of the present invention aims to solve the above problems as much as possible. This was done as an issue.

[0003]

In order to achieve the above-mentioned object, in the present invention, a plurality of arcs having a suitable width are connected in the longitudinal direction, and connecting pieces are connected to both ends. A detachable ring attached by winding the outer periphery of a steel pipe column, wherein the arc-shaped body is rotatably connected with adjacent arc-shaped bodies overlapping both ends thereof. In addition, an upright piece is provided at the edge on the inner diameter side of the arc-shaped body in contact with the wall surface of the steel pipe column, and at least two sets of the ring bodies are vertically attached to the steel pipe column at a predetermined interval, A means for solving the above problem is provided by a steel pipe column holding device, wherein the two annular bodies are connected by a support member, and a steel pipe column additional device is attached via the support member.

[0004]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a plan view of a state in which the gripping device of the present invention is mounted on a steel pipe column (the steel pipe column is shown as imaginary) except for an upper ring body. FIG. 2 is a state in which the gripping device is mounted on the steel column. 3 is a perspective view of a support member, FIG. 4 is a perspective view showing one of the arc-shaped members, and FIG. 5 is a plan view showing an embodiment of the present invention. The gripping device of the present invention is configured such that holes 21 are overlapped with the holes 21 of the adjacent arc-shaped body 2 at both ends of the arc-shaped body 2 having an appropriate width, and are pivotally supported by the connecting pins 22 to connect a plurality of pieces in the longitudinal direction. Further, connecting pieces 23 are provided at both final ends.
23 'is connected and wound around the outer periphery of the steel tube column 1 so as to be wound.
To form the tightening ring 3 (FIG. 1). As shown in FIG. 2, the ring member 3 is mounted on the support member 4 in two steps by being positioned above and below the support member 4.
Are sandwiched between the upper and lower rings, and are formed as supporting portions for components of the additional device. In this case, the arc-shaped body 2 is securely mounted because the upstanding pieces 25 provided on the inner diameter side edge face the wall surface of the steel pipe column 1. FIG. 3 shows the support member 4,
An attachment member 42 is formed to have a U-shaped cross section with openings 44 on both sides in the length direction, and is provided so as to protrude to one side facing the openings 44, and furthermore, the main body 41 is vertically folded. In the curved edges 43, through holes 45 corresponding to the mounting holes 26 (FIG. 4) formed in the arc-shaped body 2 are formed. According to the support member 4 having such a configuration, the mounting hole 26 and the through hole 45 are provided.
The arc-shaped body 2 can be firmly grasped and fixed by inserting a bolt 28 through the nut and tightening a nut on the arc-shaped body 2 side. The mounting member 42 provided on the support member 4 has a tip portion at
Attach and support the components of the additional device. Thus, the girder 51 configured to support the additional device, for example, the ascending tower prevention device 5 can be attached and supported in the tangential direction of the ring body, and the entire girder 51 is orthogonal to the steel pipe column 1 at substantially right angles. It is possible to mount and support so that a surface can be formed.
The support member 4 only needs to be securely attached to the arc-shaped body 2 in the main body 41 thereof.
Needless to say, the design of 2 can be changed to a shape adapted to the mounting structure of the additional device to be mounted on the steel pipe column 1.

In the embodiment, a plurality of rod-shaped members 52 extending radially from the steel pipe column 1 and a frame 5 for holding the rod-shaped members 52 are arranged on the orthogonal plane formed by the girder member 51.
3 is installed and fixed (FIG. 5).
In this state, the rotation of the beam 51 can be accurately prevented by the attachment members 42 provided at least at two or more places in the ring body composed of the arc-shaped body 2. At this time, the steel pipe column 1 and the blocking member 54 maintains an orthogonal plane when viewed from the side. When the blocking member 54 is set in this way, ascending by a third party other than the person concerned is prevented.

In the experiment of the gripping device of the present invention illustrated in FIG. 1, the arc-shaped body 2 is about 40 cm long and 6.5 cm wide.
From a steel plate, and connect 8 of them to form a 90c diameter.
m can be mounted on a steel pipe column 1 with a diameter of 101
When it was 6 mm, nine arc-shaped bodies 2 were suitable for connection. It should be noted that the number of connected arc-shaped members 2 is increased or decreased according to the diameter of the steel tube column 1, and for fine adjustment, the connection pin 22 is moved to the preliminary hole 27 of the arc-shaped member 2 to pivotally support the steel tube column 1. Can be adapted to Further, the gripping device of the present invention is applied to a steel pipe column, but this can be applied to a case where the gripping device is installed on a wooden column or a concrete column.

[0007]

As described above, according to the steel pipe column holding device of the present invention, the plurality of arc-shaped members are pivotally supported by the connecting pins so as to be adjustable in the longitudinal direction, and the diameter of the steel tube column is adjusted. By adopting a configuration in which the number of connected arc-shaped bodies can be increased or decreased in accordance with the above, it can be freely adapted to a wide range of changes in the diameter of the steel pipe column, and conventionally, the uneconomical production of each steel pipe diameter has been eliminated,
In addition, the steel pipe column gripping device has a very simple structure, but can be easily folded and unfolded because it is rotatable, and is advantageous in that it is not bulky when transporting and storing. Furthermore, according to the present invention, since the upstanding piece is provided on the inner diameter side edge, when the gripping device is mounted on the steel pipe column, the gripping device comes into contact with the wall surface of the column to obtain a stable and uniform gripping force. Also, connecting pieces are connected to both ends of the connected arc-shaped bodies, respectively, and the connecting pieces are tightened by tightening bolts to form an annular body. The attachment / detachment operation can be performed extremely easily and quickly.
The operator can safely and easily perform the correct mounting at a high position on the near side without substantially reaching the rear side of the steel pipe column. In addition, since the ring body is connected and fixed in two steps vertically and gripped by the steel pipe column, a reliable gripping force is obtained even for a tapered column body, thereby enabling a strong installation, and in addition, a permanent installation. Also, the present invention has an effect that it can be applied to temporary construction.

[0008]

[Brief description of the drawings]

FIG. 1 is a plan view showing a state in which a gripping device is attached to a steel pipe column (the steel pipe column is imaginary), excluding an upper ring body.

FIG. 2 is a front view showing a state where the gripping device is attached to a steel pipe column from a side.

FIG. 3 is a perspective view showing a support member.

FIG. 4 is a perspective view showing one of the arc-shaped bodies.

FIG. 5 is a plan view showing an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Steel pipe column 2 ... Arc-shaped body 3
··· Ring member 4 ··· Support member 5 ··· Tower ascending prevention device 21 ··· Perforation 22 ··· Connection pin 2
3, 23 '... connecting piece 24 ... tightening bolt 25 ... standing piece 2
6 mounting holes 27 preliminary holes 28 bolts 4
1 .... body 42. ..Mounting members 43 ・ ・ ・ upper and lower walls 4
4 ... Opening 45 ... Through-hole 51 ... Girder 5
2 ... Bar-shaped member 53 ... Frame member 54 ... Blocking member

Claims (1)

(57) [Scope of request for utility model registration] 1. A detachable detachable body having a plurality of arcs each having an appropriate width connected in the longitudinal direction thereof, and connecting pieces connected to both final ends thereof so as to be wound around the outer periphery of a steel pipe column. An annular body, wherein the arc-shaped body is rotatably connected with adjacent arc-shaped bodies overlapping each other at both ends thereof, and the steel pipe column is provided at an inner diameter side edge of the arc-shaped body. And at least two sets of the ring members are vertically attached to the steel pipe column at a predetermined interval, and the two ring members are connected by a support member. A steel pipe column gripping device, characterized in that an additional device for steel pipe columns is provided via the above.