JP2011172779A - Rope supporting tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rope supporting tool for stably supporting a safety rope or a rope such as a main rope. <P>SOLUTION: The rope supporting tool includes: a plurality of engagement parts to be engaged with the upper ends of mutually different main reinforcing bars among a plurality of main reinforcing bars projected from the upper surface of a column; and a link member for connecting the engagement parts and to which the rope is locked. The link member movably supports at least one of the engagement parts. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a rope support tool, and more particularly, to a safety rope used at a construction site and a rope support tool for supporting the parent rope.

  In construction sites, rope support tools are used to lock ropes such as safety ropes and parent ropes. This support rope tool supports the parent rope in a state where it is inserted into the upper end portion of the main reinforcing bar protruding from the upper surface of the column (see, for example, Patent Document 1).

Japanese Patent No. 4236256

However, since the main rope is locked to one main rebar with the above-mentioned rope support tool, the main rebar is liable to be bent, and there is a possibility that the main rope cannot be stably supported.
For this reason, the subject of this invention is providing the rope support tool which can support a parent rope stably.

The rope support tool according to the invention of claim 1 is:
Among the plurality of main reinforcing bars protruding from the upper surface of the column, a plurality of engaging portions that engage with the upper ends of the different main reinforcing bars,
A link member that connects the plurality of engaging portions and that holds the rope;
The link member is characterized in that at least one of the plurality of engaging portions is movably supported.

The invention according to claim 2 is the rope support tool according to claim 1,
There are at least three engaging portions,
The central portion of the link member is refracted at a substantially right angle,
Of the at least three engaging portions, one engaging portion is fixed to a central portion of the link member,
The engaging portions other than the one engaging portion are movably disposed at both ends of the link member so as to sandwich the one engaging portion.

The invention according to claim 3 is the rope support tool according to claim 1 or 2,
Among the plurality of engaging portions, at least one engaging portion is provided with a fixture for fixing to the main reinforcing bar.

Invention of Claim 4 is the rope support tool as described in any one of Claims 1-3,
The engagement portion is engaged with the upper end portion by being inserted into the upper end portion of the main reinforcing bar.

According to the first aspect of the present invention, since the plurality of engaging portions engage with the upper ends of the different main reinforcing bars, the rope support tool itself is supported by the plurality of main reinforcing bars. Therefore, it is possible to stably support the rope locked to the link member.
Further, since the link member supports at least one of the plurality of engaging portions so as to be movable, the interval between the plurality of engaging portions can be adjusted. Thereby, even if the space | interval of several main reinforcing bars differs for every construction site, a rope support tool can be installed.

According to the second aspect of the present invention, of the at least three engaging portions, one engaging portion is fixed to the central portion that is a corner portion of the link member, and the engaging portions other than the one engaging portion are engaged. Since the portion is movably disposed at both ends of the link member so as to sandwich one engaging portion, the rope support tool can be installed between the plurality of main reinforcing bars installed at the corners of the column. .
According to invention of Claim 3, since the fixing tool for fixing to a main reinforcing bar is provided in the at least 1 engaging part among several engaging parts, a rope support tool is from a main reinforcing bar. It can be prevented from easily leaving.
According to invention of Claim 4, since an engaging part is engaged with the said upper end part by being inserted in the upper end part of a main reinforcing bar, an engaging part can be easily attached to a main reinforcing bar.

It is a perspective view which shows the state which installed the rope support tool of 1st embodiment in the construction site. It is a perspective view which shows schematic structure of the rope support tool of FIG. It is a perspective view which shows the state which installed the rope support tool of 2nd embodiment in the construction site. It is a perspective view which shows schematic structure of the rope support tool of FIG.

[First embodiment]
Hereinafter, the first embodiment will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing a state in which the leash support tool of the first embodiment is installed at a construction site, and FIG. 2 is a perspective view showing a schematic configuration of the leash support tool of the present embodiment.

  First, the installation location of the rope support tool 1 will be described with reference to FIG. As shown in FIG. 1, for example, a precast column 101 is constructed at a construction site 100, and a plurality of main reinforcing bars 102 are arranged at predetermined intervals over the entire circumference of the column 101. Yes. During construction, the main reinforcing bar 102 protrudes from the upper surface of the precast column 101, and the rope support tool 1 is attached to the upper end portion of the main reinforcing bar 102.

Next, the rope support tool 1 will be described in detail.
As shown in FIGS. 1 and 2, the rope support tool 1 includes a pair of engaging portions 2 and 3 and a link member 5.
The engaging parts 2 and 3 engage with the upper ends of the main reinforcing bars 102 which are different from each other among the plurality of main reinforcing bars 102. The engaging portions 2 and 3 are provided with cylindrical main body portions 21 and 31.
As for the main-body parts 21 and 31, the lower end surface is open | released so that the main reinforcement 102 may be inserted from a lower end part, and the upper end surface is obstruct | occluded. Thereby, the main-body parts 21 and 31 will be engaged with the said upper end part by being inserted in the upper end part of the main reinforcement 102.

  Of the engaging portions 2 and 3, one engaging portion 2 is provided with a fixture 23 that fixes the main body portion 21 to the main reinforcing bar 102. The fixture 23 is attached to the outer peripheral surface of the lower end portion of the main body portion 21. The fixture 23 is, for example, a screw that communicates with the inside of the main body portions 21 and 31.

  Further, of the engaging portions 2 and 3, the other engaging portion 3 is provided with a support portion 32 that supports the link member 5 movably with respect to the main body portion 31. The support part 32 is attached to the substantially central outer peripheral surface of the main body part 31, and insertion holes 321 through which the link member 5 is inserted are formed at two places above and below the support part 32. The insertion hole 321 is formed so that the insertion direction is along the tangential direction of the main body 31. In a position corresponding to the lower insertion hole 321 in the support portion 32, a restriction member 8 such as a screw for restricting movement of the link member 5 and the engagement portion 3 is provided.

The link member 5 is formed in a loop shape, one end of which is fixed to the main body 21 of the engaging portion 2 by welding or the like, and the other end is inserted into the insertion hole 321 in the engaging portion 3. . Thus, the pair of engaging portions 2 and 3 are connected by the link member 5. The outer diameter of the wire forming the link member 5 is set smaller than the inner diameter of the insertion hole 321. As a result, the pair of engaging portions 2 and 3 slide along the link member 5. Here, the total length H of the link member 5 is set to be longer than at least the minimum standard of the bar arrangement interval of the main reinforcing bars 102.
The link member 5 is engaged with a safety rope and a hook portion 7 attached to a rope 6 such as a parent rope.

Next, the operation of this embodiment will be described.
At the time of attaching the rope support tool 1, first, one main reinforcing bar 102 and the engaging portion 2 are aligned among the plurality of main reinforcing bars 102 protruding from the upper surface of the precast column 101. Thereafter, while the other engaging portion 3 is slid relative to the link member 5, the engaging portion 3 and the main reinforcing bar 102 adjacent to the previous main reinforcing bar 102 are aligned. After the alignment, the main body portions 21 and 31 of the engaging portions 2 and 3 are inserted into the upper end portions of the main reinforcing bars 102, and the engaging portions 2 and 3 are engaged with the upper end portions of the main reinforcing bars 102. And the engaging parts 2 and 3 are fixed to the main reinforcement 102 by screwing the fixing tool 23 which consists of a screw. Furthermore, the restriction member 8 made of a screw is screwed in, whereby the link member 5 is locked to the engagement portion 3 and the movement of the link member 5 is restricted.

As described above, according to the present embodiment, the pair of engaging portions 2 and 3 engage with the upper ends of the different main reinforcing bars 102, so that the rope support tool 1 itself is supported by the plurality of main reinforcing bars 102. The Rukoto. Therefore, the rope 6 locked to the link member 5 can be stably supported.
Moreover, since the link member 5 supports the engaging part 3 so that a movement is possible, the space | interval of the some engaging parts 2 and 3 can be adjusted. Thereby, even if the space | interval of the some main reinforcement 102 differs for every construction site, the rope support tool 1 can be installed.

Moreover, since the fixing tool 23 for fixing to the main reinforcing bar 102 is provided in the engaging part 2, it can prevent that the leash support tool 1 separates from the main reinforcing bar 102 easily.
Further, since the engaging portions 2 and 3 are inserted into the upper end portion of the main reinforcing bar 102 and engaged with the upper end portion, the engaging portions 2 and 3 can be easily attached to the main reinforcing bar 102.
Further, since the regulating member 8 that regulates the movement of the link member 5 and the engaging portion 3 is provided, the link member 5 slides relative to the engaging portion 3 after the rope support tool 1 is installed on the construction site. Can be prevented.

[Second Embodiment]
Hereinafter, the second embodiment will be described in detail with reference to the drawings. FIG. 3 is a perspective view showing a state in which the rope support tool of the second embodiment is installed at a construction site, and FIG. 4 is a perspective view showing a schematic configuration of the rope support tool of the present embodiment. In the following description, the same parts as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

As shown in FIGS. 3 and 4, the rope support tool 1A includes three engaging portions 2a, 3a, 3b and a link member 5a.
Of the three engaging portions 2a, 3a, 3b, the engaging portions 3a, 3b arranged at both ends support the cylindrical main body portion 31 and the link member 5 movably with respect to the main body portion 31. A support portion 32 and a restriction member 8 that is attached to the support portion 32 and restricts movement of the link member 5 and the engagement portion 3 are provided.

  Of the three engaging portions 2 a, 3 a, 3 b, the engaging portion 2 a disposed at the center includes a cylindrical main body portion 21 and a fixture 23 that fixes the main body portion 21 to the main reinforcing bar 102. Is provided. The main body portion 21 is open at the lower end surface and closed at the upper end surface so that the main reinforcing bar 102 is inserted from the lower end portion. Thereby, the main-body part 21 will be engaged with the said upper end part by being inserted in the upper end part of the main reinforcement 102.

The link member 5a is formed in a loop shape, and its central portion is refracted at a substantially right angle. An engaging portion 2a is fixed to the central portion, which is a corner portion of the link member 5a, by welding or the like. In addition, the engaging portions 3a and 3b other than the engaging portion 2a fixed to the central portion are movably disposed at both ends of the link member 5a so as to sandwich the engaging portion 2a. Specifically, the link member 5a is inserted into the insertion hole 321 in the engaging portions 3a and 3b. Thus, the three engaging portions 2a, 3a, 3b are connected by the link member 5a so that the other engaging portions 3a, 3b move relative to the engaging portion 2a arranged at the center. Has been.
The link member 5a is engaged with a hook portion 7 attached to a safety rope or a rope 6 such as a parent rope.

Next, the operation of this embodiment will be described.
At the time of attaching the rope support tool 1A, first, among the plurality of main reinforcing bars 102 projecting from the upper surface of the precast pillar 101, the main reinforcing bars 102a arranged at the corners and the engagement fixed to the central portion of the link member 5a The part 2a is aligned. After that, while sliding the engaging portions 3a and 3b supported at both ends of the link member 5a, the main reinforcing bars 102b and 102c adjacent to the engaging portions 3a and 3b and the main reinforcing bars 102a arranged at the corners. And align. After alignment, the main body portions 21 and 31 of the engaging portions 2a, 3a and 3b are inserted into the upper end portions of the main reinforcing bars 102, and the engaging portions 2a, 3a and 3b and the upper end portions of the main reinforcing bars 102 are engaged. . And the engaging parts 2a, 3a, and 3b are fixed to the main reinforcing bar 102 by screwing the fixing tool 23 which consists of a screw. Furthermore, the link member 5a is locked to the engaging portions 3a and 3b by screwing the restriction member 8 made of a screw.

  As described above, according to the present embodiment, of the three engaging portions 2a, 3a, and 3b, one engaging portion 2a is fixed to the central portion of the link member 5a, and other than the engaging portion 2a. Since the engaging portions 3a and 3b are movably disposed at both ends of the link member 5a so as to sandwich one engaging portion 2a, a plurality of main reinforcing bars 102 installed at the corners of the precast column 101 are disposed. A rope support tool 1A can be installed between them.

Of course, the present invention is not limited to the above-described embodiment and can be modified as appropriate.
For example, in the above-described embodiment, the case where the rope support tool 1 includes the two engagement portions 2 and 3 and the rope support tool 1A includes the three engagement portions 2a, 3a, and 3b is described as an example. However, the total number of engaging portions may be four or more.
Moreover, in the said embodiment, although the case where the fixing tool 23 was provided in one engaging part 2 and 2a was illustrated and demonstrated, it is also possible to provide a fixing tool in all the engaging parts.

DESCRIPTION OF SYMBOLS 1 Leash support tool 2,3 Engagement part 5 Link member 6 Leash 7 Hook part 21,31 Main body part 23 Fixing tool 32 Support part 100 Construction site 101 Precast pillar 102 Main reinforcement 321 Insertion hole

Claims (4)

Among the plurality of main reinforcing bars protruding from the upper surface of the column, a plurality of engaging portions that engage with the upper ends of the different main reinforcing bars,
A link member that connects the plurality of engaging portions and that holds the rope;
The rope support tool, wherein the link member movably supports at least one of the plurality of engaging portions. In the rope support tool according to claim 1,
There are at least three engaging portions,
The central portion of the link member is refracted at a substantially right angle,
Of the at least three engaging portions, one engaging portion is fixed to a central portion of the link member,
The rope support tool, wherein the engagement parts other than the one engagement part are movably disposed at both ends of the link member so as to sandwich the one engagement part. In the rope support tool according to claim 1 or 2,
A rope support tool, wherein a fixing tool for fixing to the main reinforcing bar is provided in at least one of the plurality of engaging parts. In the leash support tool as described in any one of Claims 1-3,
The rope support tool, wherein the engaging portion is inserted into the upper end portion of the main reinforcing bar to engage with the upper end portion.

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