JP2003184500A - Suspension hardware for temporary installation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide suspension hardware for temporary installation capable of installing a segment on a fastening part with a very small labor in a short time and preventing a structural effect on a completed structure. <P>SOLUTION: This suspension hardware is fitted to the fastening part K of the segment S to support temporary facilities H and C. The hardware comprises a pair of arm parts 11 having portions disposed on the inner side of a tunnel T in contact with each other to that the portions of the tunnel T disposed on the outside thereof can be opened and closed around the contact portion 13, a mounting member 1 formed of a pair of holding parts 12 supported by the portions of the pair of arm parts 11 disposed on the outer side of the tunnel T and capable of holding the fastening part K so that fastening members (bolt B and nut N) are not obstructed, a support member supported by the mounting member 1 and supporting the temporary facilities H and C, and a fastening member 3 for holding the fastening part K in a pair of holding parts by tightening an intermediate portion between the contact portion 13 and a portion for supporting the pair of holding parts 12 of the pair of arm parts 11. <P>COPYRIGHT: (C)2003,JPO

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a pipe, a cable and other temporary equipment which are attached to a joint portion of a segment which is fastened by a fastening member, and are installed in a tunnel tunnel formed by the segment. The present invention relates to a temporary suspending fitting used for supporting a tent. 2. Description of the Related Art As a conventional temporary suspending fitting of this type, for example, a portion, which is disposed in the outer side of a tunnel, is attached to a binding portion of a segment, and a bracket is supported by the bracket to support piping. And a supporting member. According to such a temporary suspending fitting, a strong supporting state can be obtained by attaching a bracket to the binding portion of the segment, and it is not necessary to drive the anchor or the like into the segment. The pipes can be supported inside the tunnel composed of the segments without damaging the object. [0003] However, in such a temporary suspending fitting, in the work of attaching the bracket to the fastening portion of the segment, the bolts and nuts as fastening members are loosened or fastened many times. Or a lot of labor and time. [0004] Further, in the work of attaching the bracket to the fastening portion of the segment, it is necessary to remove or loosen the bolts and nuts and to re-tighten the bracket and the bracket again. In some cases, a necessary member does not work due to the structure of the tunnel. [0005] Therefore, an object of the present invention is to make it possible to attach the segments to the joining portion in a short time with very little labor so that the cost reduction effect and the safety improvement effect in the temporary construction work in the tunnel mine can be obtained. It is another object of the present invention to provide a temporary hanging metal fitting that does not have a structural influence on a permanent structure. [0006] That is, a temporary suspending fitting according to the present invention is attached to a fastening portion of a segment which is fastened by a fastening member, and a pipe, a cable or the like is provided inside a tunnel formed by the segment. It supports temporary facilities. This is configured to include a mounting member, a supporting member, and a fastening member. [0008] Here, the mounting member is a pair of arms that can be opened and closed around the contact portion by the portions disposed inward of the tunnel abutting each other. And a pair of arm portions, which are supported by portions arranged in the outer direction of the tunnel, and have a function of a pair of grip portions capable of gripping the binding portion so as not to hinder the binding member. [0009] The support member is supported by the mounting member and has a function of supporting the temporary equipment. Further, the fastening member has a function of causing the gripping portion to grip the binding portion by tightening a portion between the contact portion and the portion supporting the pair of gripping portions of the pair of arms. [0011] According to the temporary suspending fitting of the present invention, since it is configured to include the mounting member including the pair of arms and the pair of gripping parts, and the fastening member that causes the gripping part to grip the binding part. Attachment of the segment to the binding portion can be performed in a short time with extremely small labor, and further, there is no structural influence on the permanent structure. Therefore, according to this, it is possible to obtain the cost reduction effect and the safety improvement effect in the temporary construction work inside the tunnel. Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. Here, a description will be given of a case where a temporary provisional facility such as a cable serving as a power supply path to the shield and a pipe serving as a feed and discharge mud line continuing to the shield is supported, but the present invention is not limited to this. In addition, the following description is valid even when supporting temporary facilities (for example, digestive organs and tools) other than pipes and cables. FIG. 1 is a perspective view showing the entire structure of a temporary hanging metal fitting according to an embodiment of the present invention, and FIG. 2 is a plan sectional view showing a partial structure of the temporary hanging metal fitting. In the present embodiment, as shown in these figures, a temporary suspending metal fitting has a fastening portion K of a segment S which is fastened by bolts B and nuts N serving as fastening members.
And serves to support a pipe H and a cable C as temporary equipment inside a tunnel T composed of the segments S. Specifically, as shown in these figures, the temporary suspending fitting is configured to include a mounting member 1, a support member 2, and a fastening member 3. Hereinafter, each of these components will be described in more detail. (1) Attachment Member 1 As shown in these figures, the attachment member 1 is a pair of arm portions 1.
1 and a pair of grips 12. Here, the pair of arms 11 can be opened and closed around the contact portion 13 by disposing the portions arranged in the inward direction of the tunnel T with each other. It is configured as something. Here, as for the pair of arms 11, the opening / closing method and the structure of the portion disposed around the contact portion 13 in the outward direction of the tunnel T are not limited. From the standpoint of facilitating the installation work to some extent and preventing loss of materials, the contact portion 13 is hinged or the like so that the portion disposed outside the tunnel T can be freely opened and closed. Are preferably connected to each other. In addition, from the viewpoint of obtaining a sufficient gripping force of the segment S against the binding portion K in the pair of gripping portions 12, it is possible that the portions disposed inward of the tunnel T abut against each other. The pair of arms 11 have an interval dimension such that when the pair of gripping portions 12 grip the binding portion K of the segment S, each of the pair of gripping portions 12 and the binding portion K of the segment S are in close contact with each other. Preferably, it is set. On the other hand, the pair of holding parts 12 are
1 and is supported by a portion disposed in the outer direction of the tunnel T, and includes a bolt B and a nut N serving as binding members.
It is configured such that the binding portion K can be gripped so as not to hinder. In the present embodiment, a pair of grips 1
2, an opening 12 a is opened to play a role of inserting the binding member when the binding portion K is gripped, so that the binding portion K can be gripped so as not to obstruct the bolt B and the nut N serving as the binding member. Is possible. It should be noted that, as long as a sufficient gripping force can be obtained for the binding portion K, such a pair of gripping portions 12 can be used regardless of the gripping method and structure. From the viewpoint of eliminating the above, it is preferable to provide an elastic member such as rubber or a spring between the segment S and the binding portion K. The mounting member 1 is specifically composed of a plate member P and an angle member A as shown in these figures. Therefore, apparently, a pair of arms 1
Although it is difficult to clearly distinguish the pair 1 and the pair of grips 12 from each other, if attention is paid to the function performed by this, as shown in FIG. Are distinguished. (2) Supporting Member 2 As shown in FIG. 1, the supporting member 2 is supported by a mounting member 1 and has a function of supporting a pipe H and a cable C as temporary facilities. As shown in the figure, the support member 2 has a large hook member 21 whose upper end is fixed by welding to a portion of the plate member P disposed inward of the tunnel T, A small hook member 22 fixed to the large hook member 21 at appropriate intervals in the vertical direction. (3) Fastening Member 3 The fastening member 3 is fastened to the grip portion 12 by tightening a portion between the contact portion 13 and a portion supporting the pair of grip portions 12 of the pair of arm portions 11. It fulfills the function of holding the part K. As shown in FIG. 1, the fastening member 3 is composed of a bolt member 31 and a nut member 32. Incidentally, as such a fastening member 3, as long as a sufficient gripping force with respect to the binding portion K of the segment S is obtained in the pair of gripping portions 12, not only the fastening position but also the tightening position.
Regardless of the fastening method or structure. However, from the viewpoint of eliminating the loosening over time after tightening, it is preferable to interpose a washer, especially a spring washer, between each of the pair of arms 11. As described above, according to the temporary hanging metal fitting according to the present embodiment, the mounting member 1 composed of the pair of arms 11 and the pair of gripping parts 12 and the tightening that allows the gripping part 12 to grip the binding part K. Since it is configured to include the attachment member 3, the attachment of the segment S to the binding portion K can be performed in a short time with extremely small labor, and further, there is no structural influence on the permanent structure. Therefore, according to the temporary hanging metal fitting according to the present embodiment, it is possible to obtain a cost reduction effect and a safety improvement effect in temporary construction work inside the tunnel T. According to the temporary hanging bracket according to the present invention,
The cost reduction effect and the safety improvement effect in the temporary construction work inside the tunnel T can be obtained.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an entire configuration of a temporary hanging bracket according to an embodiment of the present invention. FIG. 2 is a plan sectional view showing a partial configuration of a temporary hanging metal fitting according to one embodiment of the present invention. [Description of Signs] 1 Mounting member 2 Support member 3 Tightening member 11 A pair of arms 12 A pair of grips 12a Opening 13 Abutment portion 21 Large hook member 22 Small hook member 31 Bolt member 32 Nut member A Angle member B Bolt (Tightening member) C Cable (Temporary equipment) H Piping (Temporary equipment) K Tightening part N Nut (Tightening member) P Plate member S Segment T Tunnel

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H02G 9/08 H02G 9/08 (72) Inventor Naoki Kadowaki 1-25-1, Nishishinjuku, Shinjuku-ku, Tokyo Taisei Corporation F term (reference) 3H023 AA04 AA05 AB07 AC02 AC13 AC21 5G369 AA12 BA05 CB06

Claims (1)

Claims: 1. A temporary mounting bracket which is attached to a tightening portion of a segment tightened by a tightening member and supports piping, cables and other temporary equipment inside a tunnel formed by the segment. A pair of arms that are capable of opening and closing a portion arranged in the outer direction of the tunnel around the corresponding contact portion by contacting portions arranged inward of the tunnel with each other; and An attachment member that is supported by a portion disposed in an outward direction of the tunnel and that includes a pair of grip portions capable of gripping the binding portion so as not to hinder the binding member; A support member that supports equipment; and a grip between the pair of arms, between the contact portion and a portion that supports the pair of grips, by tightening the grip. A fastening member for causing the holding portion to grip the binding portion.