JPH0612643U - Suspension fittings for scaffolding components for road bridges - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a suspension fitting such as a scaffolding constituent member for a road bridge, which is a single suspension fitting but can be firmly fixed to the top end of a balustrade of various widths. [Structure] A hooking part which is hooked to the top end of a balustrade provided on the ground cover of a road bridge, and a wire which extends downward from the base end of the hooking part and lifts a scaffolding constituent member. And a hanging portion to which the ropes of such are fixed. The hooking portion has a substantially L-shape including a lateral arm portion that crosses the upper surface of the top of the balustrade and a vertical arm portion that hangs down from the tip of the lateral arm portion. The lateral arm portion is divided into two parts in the lengthwise direction, an inner cylinder slidably mounted in the outer cylinder, an outer cylinder loosely fitted to both ends of the outer cylinder, and screwed into both ends of the inner cylinder. The length adjusting bolt is inserted into the outer cylinder and the inner cylinder so as to be able to move back and forth, and the head of the head is locked to the outer end of the outer cylinder. The vertical arm portion is integrally fixed to the lower end of the front half outer cylinder portion of the divided outer cylinder, and the hanging portion is the rear half outer cylinder portion of the half divided outer cylinder. It is integrally fixed to the lower part of the base end.

Description

[Detailed description of the device]

[001]

[Industrial applications]

 The present invention relates to a hanging metal fitting for a scaffolding constituent member used when building a scaffolding under a road bridge.

[002]

[Prior art and its problems]

 When scaffolding is to be constructed below the road bridge for repairing highway bridges, the hanging metal fittings as shown in Fig. 5 should be hooked on the railing of the bridge to pull up the scaffolding components such as scaffolding pipes. There is.

The hanging metal fitting is formed by bending a steel rod, and has a substantially L-shape that is hooked at one end thereof so as to hold the top end of a balustrade provided on the ground cover of a road bridge. And a loop-shaped suspending portion B to which a wire or the like for suspending the scaffolding constituent member is attached to the other end integrally suspended from the base end of the suspending portion A. Prepare

However, in the conventional hanging metal fitting, since the depth width W of the hooking portion A hooked on the balustrade is constant, in use, it is suitable for the thickness of the cap material located at the top end of the balustrade. We have to prepare many kinds of things. In addition, even if a hanging fitting having a hooking portion A having a width corresponding to the thickness of the cap material is used, the hooking portion itself is merely hooked on the balustrade, which causes rattling. Must use the required components by scratching them.

In view of the above, the present invention provides a hanging metal fitting, such as a scaffolding component for a road bridge, which is a single hanging metal fitting and can be firmly fixed to the top end of a balustrade of various widths. That is the purpose.

[Means for Solving the Problems]

[0006] In order to achieve the above-mentioned object, the present invention provides a latching portion which is latched and latched to a top end of a balustrade provided on the ground cover of a road bridge, and a base end of the latching part. And a hanging portion to which a rope such as a wire for lifting the scaffolding constituent member is fixed, and the hanging portion is the top end of the balustrade. Has a substantially L-shape that consists of a lateral arm portion that crosses the upper surface of and a vertical arm portion that hangs down from the tip of the lateral arm portion, and the lateral arm portion is an outer cylinder that is divided in two in the length direction, The inner cylinder slidably mounted in the outer cylinder, and the inner cylinder loosely fitted to both ends of the outer cylinder and screwed into both ends of the inner cylinder to enter the outer cylinder and the inner cylinder so as to move back and forth, The head comprises a length adjusting bolt locked to the outer end of the outer cylinder, and the vertical arm portion is a front half of the outer cylinder divided into two parts. A feature is that it is integrally fixed to the lower end of the tip of the cylindrical portion, and the hanging portion is integrally fixed to the lower part of the proximal end of the rear half outer cylindrical portion of the divided outer cylinder. It is a thing.

[Action]

By adjusting the screwing amount of the length adjusting bolt with respect to the inner cylinder of the lateral arm portion, the two outer cylinders come close to or separate from each other along the outer circumference of the inner cylinder and the length adjusting bolt. Moving. Therefore, the length of the lateral arm portion of the hooking portion of the present invention is variable, and it is possible to attach it to the top end of the balustrade with various widths. Moreover, when installing, the length of the lateral arm is set to be slightly larger than the width of the top end, and after hanging it on the top end, tighten the length adjustment bolt, The vertical arm part is tightly contacted with the inside of the balustrade, and the upper part of the suspension part is tightly contacted with the outside of the balustrade, so that the vertical arm part is firmly fixed at a predetermined position.

【Example】

Hereinafter, the present invention will be described in detail with reference to illustrated embodiments. FIG. 1 shows a suspension fitting according to an embodiment of the present invention. In the figure, reference numeral 1 is a hooking portion that constitutes a hanging fitting, and 2 is the hanging portion.

The hooking portion 1 has a substantially L-shape including a horizontal lateral arm portion 11 and a vertical arm portion 12 erected at the front end of the lateral arm portion 11. The lateral arm portion 11 is abutted on the upper surface of the top end of the balustrade so as to cross the upper surface thereof, and has an outer cylinder 13, an inner cylinder 14 slidably mounted therein, an outer cylinder 13, and It is composed of left and right length adjusting bolts 15 and 15 inserted in the inner cylinder 14 so as to be movable back and forth.

The outer cylinder 13 has a rectangular tubular shape and is divided into two in the length direction. The upper end of the vertical arm 12 is fixed to the lower front end of the semi-outer cylinder 13a located in the front, and the upper end of the hanging part 2 is fixed to the lower rear end of the semi-outer cylinder 13b located rearward. It is fixed. Further, through holes 13c, 13c into which a length adjusting bolt 15 to be described later is loosely fitted are formed in the front end surface of the front half outer cylinder portion 13a and the rear end surface of the rear half outer cylinder portion 13b.

The inner cylinder 14 has a rectangular tube shape like the outer cylinder 13, and both ends thereof are drawn so as to have a substantially cylindrical shape, and the thread of the length adjusting bolt 15 is formed on the inner surfaces of both ends. A female screw 14a that is screwed with is formed.

The length adjusting bolt 15 is inserted into the through holes 13 c at both ends of the outer cylinder and is screwed into both ends of the inner cylinder 14 so that the length adjusting bolt 15 can advance and retreat into the outer cylinder 13 and the inner cylinder 14. I will. The head portion 15 a of the length adjusting bolt 15 that has entered the outer cylinder 13 and the inner cylinder 14 is locked to both ends of the outer cylinder 13.

In the present embodiment, the vertical arm portion 12 is also formed in a rectangular tube shape.

The hanging portion 2 includes a connecting portion 21 having a rectangular tubular shape and a hanging rod 22 having a screw portion 22 a screwed into the connecting portion 21. The upper part of the connecting part 21 is fixed to the lower part of the rear end of the rear half outer cylindrical part 13b described above, and the lower part is formed into a cylindrical shape to form a female screw 21a on the inner surface.

The suspension rod 22 is formed by bending a round bar material, and has a loop 22b for attaching a wire or the like to a lower portion thereof. On the upper part, a screw thread 22a is formed which is screwed with the female screw 21a of the connecting portion 21, and the entire length can be adjusted by adjusting the screwing amount.

Reference numeral 16 in the drawing is a washer disposed between the head portion 15 a of the length adjusting bolt 15 and the outer cylinder end surface.

First, the length of the lateral arm portion 11 of this hanging metal fitting is adjusted so that the length is slightly larger than the thickness of the cap material at the mounting position. Specifically, the left and right length adjusting bolts 15 and 15 of the lateral arm portion 11 are rotated to pull out the length adjusting bolt 15 from the inner cylinder 14, and the front half outer cylinder portion 13a and the rear half outer cylinder portion 13b are connected to each other. Separatedly, the length of the lateral arm portion 11 is regulated. The vertical arm portion 12 and the connecting portion 21 of the suspension portion 2 are set to have the above-mentioned large length interval.

In this state, by hooking the main hanging metal fitting so as to hold the upper part of the cap material and tightening the length adjusting bolts 15, 15, the front and rear semi-outer cylinder portions 13a, 13b gradually approach each other. Then, the vertical arm portion 12 is brought into close contact with the inside of the balustrade, and the connecting portion 21 is brought into close contact with the outside of the balustrade, so that the hanging fixture is securely fixed to the balustrade. The hanging portion 2 has a length that matches the height of the balustrade, by adjusting the screwing amount of the hanging rod 22 with respect to the connecting portion 21.

[Effect of device]

As described above, according to the present invention, by loosening or tightening the length adjusting bolt of the lateral arm portion that crosses the top end among the hanging portions that are hooked on the balustrade. Since the length between the two ends of the divided outer cylinder can be adjusted, the outer cylinder can be attached to and used on the high balustrade end of various widths.

Further, after the vertical arm portion and the horizontal arm portion are hooked, the length adjusting bolts can be firmly tightened to be firmly fixed to the balustrade, so that rattling and dropping from the balustrade can be prevented. Of.

[Brief description of drawings]

FIG. 1 is a front view of a suspension fitting according to an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of a hooking portion of a suspension fitting according to an embodiment of the present invention.

FIG. 3 is a cross-sectional view of an end portion of a lateral arm portion of a suspension fitting according to an embodiment of the present invention.

FIG. 4 is a radial cross-sectional view of a hooking portion of a suspension fitting according to an embodiment of the present invention.

FIG. 5 is a front view of a conventional hanging metal fitting.

[Explanation of symbols]

 A, 1-Holding part B, 2-Suspension part 11-Lateral arm part 12-Vertical arm part 13-Outer cylinder 14-Inner cylinder 15-Length adjustment bolt 21-Coupling part 22-Suspension rod

Claims (2)

[Scope of utility model registration request] Claims: 1. A hanging portion which is hooked to a top of a balustrade provided on the ground cover of a road bridge, and a hanging portion which extends downward from a base end of the hanging portion to lift a scaffolding constituent member. In a hanging fitting such as a scaffolding constituent member for a road bridge, which is composed of a hanging part to which a rope such as a wire is fixed, the hooking part is a lateral arm part that crosses the upper surface of the top of the balustrade and this lateral arm part. Has a substantially L-shape composed of a vertical arm portion that hangs down from the tip of the outer arm portion, and the lateral arm portion is slidably mounted in the outer cylinder divided into two parts in the length direction. It is loosely fitted to both ends of the inner cylinder and the outer cylinder, and screwed into both ends of the inner cylinder to enter the outer cylinder and the inner cylinder so that it can move back and forth, and the head is locked to the outer end of the outer cylinder. The vertical arm portion is integrally fixed to a lower end of a front half outer cylinder portion of the outer cylinder divided into two parts, and the hanging portion is provided. Of the outer cylinder divided into two parts is integrally fixed to the lower part of the base end of the rear half outer cylinder part. 2. A suspension fitting such as a scaffolding member for a road bridge according to claim 1, wherein the suspension portion has a tubular connecting portion fixed to a lower portion of a rear semi-outer tubular portion at a base end thereof, and the lower portion has the tubular connection portion. A suspension rod formed with a loop for attaching the wire and the like, and a threaded rod formed on an upper portion of the threaded portion to be screwed into the lower portion of the connecting portion. Metal fittings.