JPH09121425A - Method for supporting fireproof cable - Google Patents
Method for supporting fireproof cableInfo
- Publication number
- JPH09121425A JPH09121425A JP7277774A JP27777495A JPH09121425A JP H09121425 A JPH09121425 A JP H09121425A JP 7277774 A JP7277774 A JP 7277774A JP 27777495 A JP27777495 A JP 27777495A JP H09121425 A JPH09121425 A JP H09121425A
- Authority
- JP
- Japan
- Prior art keywords
- cable
- floor
- hole
- fireproof
- clamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Installation Of Indoor Wiring (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ビル等の垂直建築
物内に縦方向（垂直）に布設する耐火ケーブルを床に支
持する方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of supporting a fireproof cable laid vertically in a vertical structure such as a building on a floor.
【０００２】[0002]
【従来の技術】耐火ケーブルを縦方向とりわけ垂直に布
設する場合、従来では、図４のように、床６の上に支持
金具３を床の貫通孔から話して設置し、この支持金具３
にケーブルクランプ２を固定して耐火ケーブル１の垂直
方向の荷重の保持と横振れの防止を担わせていた。2. Description of the Related Art Conventionally, when laying a fireproof cable vertically, especially vertically, a support fitting 3 is installed on a floor 6 by talking through a through hole of the floor, as shown in FIG.
The cable clamp 2 was fixed to the to hold the load in the vertical direction of the fireproof cable 1 and prevent lateral shake.
【０００３】耐火ケーブル１が貫通する床の貫通孔内に
は、耐火性能を有する充填材５（例えばロックウール）
を充填し、貫通孔の上下開口を耐火性能を有する閉鎖板
４，４（例えば硅酸カルシウム板）で閉鎖し、以て、火
災の延焼を防止するようにしていた。In the through hole of the floor through which the fire resistant cable 1 penetrates, a filler material 5 having fire resistance (for example, rock wool) is provided.
And the upper and lower openings of the through-holes are closed by the closing plates 4 and 4 (for example, calcium silicate plate) having fire resistance, so that the spread of fire is prevented.
【０００４】[0004]
【発明が解決しようとする課題】前述した従来技術（図
４）によれば、支持金具及びケーブルクランプが露出し
ているため、この部分で火災に遭遇した場合には、当該
部分の耐火ケーブルが燃焼してしまい。耐火ケーブルを
ケーブルクランプで把持する能力が喪失してしまい、延
いては耐火ケーブルが落下したり横振れが生じたりする
ことになるのである。According to the above-mentioned prior art (FIG. 4), since the support fitting and the cable clamp are exposed, when a fire is encountered at this portion, the fireproof cable at that portion is exposed. It burned. The ability to grip the fire-resistant cable with the cable clamp is lost, which in turn causes the fire-resistant cable to fall or shake.
【０００５】上記のような最後の事態に陥ると、耐火ケ
ーブルが地落をしたり相間短絡を起こしたりして、耐火
ケーブル本体の機能である少なくとも３０分間電力を安
全に供給するという使命を全うできなくなることがあ
り、最悪の場合には消火作業や排煙に支障を来し、多く
の人命を失わせることになり兼ねないのである。When the last situation described above occurs, the refractory cable may fall to the ground or cause a phase-to-phase short circuit to fulfill the mission of safely supplying electric power for at least 30 minutes, which is the function of the refractory cable body. It may not be possible, and in the worst case, it may interfere with fire extinguishing work and smoke emission, resulting in loss of many lives.
【０００６】そこで、本発明の解決すべき課題は、火災
時においても耐火ケーブルを安全に把持しつつ床への支
持を確実に行える、耐火ケーブルの支持方法を提供する
ことにある。[0006] Therefore, an object of the present invention is to provide a method for supporting a fireproof cable that can securely support the floor while safely gripping the fireproof cable even in the event of a fire.
【０００７】[0007]
【課題を解決するための手段】本発明により提供する耐
火ケーブルの支持方法は、縦方向に布設される耐火ケー
ブルを床に支持する方法において、支持金具及びケーブ
ルクランプを耐火材で覆う方法からなる。A method for supporting a refractory cable provided by the present invention comprises a method for supporting a refractory cable laid in a longitudinal direction on a floor, and a method for covering a support metal fitting and a cable clamp with a refractory material. .
【０００８】上記の方法における好ましい実施態様とし
て、次の方法がある。即ち、支持金具及びケーブルク
ランプを床の貫通孔の中に収納し、この支持金具及びケ
ーブルクランプが埋まるように貫通孔の中に耐火性能を
有する充填材を詰め込み、貫通孔の上下を耐火性能を有
する閉鎖板にて塞ぐ方法である。The following method is a preferred embodiment of the above method. That is, the support metal fittings and the cable clamps are housed in the through holes of the floor, and the filling material having the fire resistance is packed in the through holes so that the support metal fittings and the cable clamps are filled, and the fire resistance performance is provided above and below the through holes. It is a method of closing with a closing plate.
【０００９】また、支持金具及びケーブルクランプを
耐火性能を有する充填材の詰め込まれた貫通孔の上に跨
いで床上に設置し、支持金具及びケーブルクランプが収
まるように耐火箱を床上に設置し、耐火箱の中に耐火性
能を有する充填材を詰め込む方法である。Further, the support metal fittings and the cable clamps are installed on the floor by straddling over the through holes filled with the filler having fire resistance, and the fireproof box is installed on the floor so that the support metal fittings and the cable clamps can be accommodated. This is a method in which a filler having fire resistance is packed in a fireproof box.
【００１０】さらに、吊線を有した耐火ケーブルを床
の貫通孔に通し、貫通孔の中の枠に支持金具及びケーブ
ルクランプを設置し、このケーブルクランプにてメッセ
ンジャーワイヤを含めた耐火ケーブルを一括支持する方
法である。Further, a fireproof cable having a suspension wire is passed through a through hole in the floor, a support metal fitting and a cable clamp are installed in a frame in the through hole, and the cable clamp collectively supports the fireproof cable including the messenger wire. Is the way to do it.
【００１１】[0011]
【発明の実施の形態】図１は、本発明の実施例にして、
前述の実施態様を具体化したものである。本実施例で
は、各階の床６を垂直に関する耐火ケーブル１を床支持
させる場合であって、各階の床６において、耐火ケーブ
ル１を垂直に貫通させる床の貫通孔内に支持金具３′を
設置し、この支持金具３′にケーブルクランプ２を固定
し、このケーブルクランプ２で貫通孔内を貫通する耐火
ケーブル１をクランプするようにし、さらに、貫通孔内
に詰め込む耐火性の充填材５で当該支持金具３′及びケ
ーブルクランプ２を覆うようにし、最後に貫通孔の上下
開口を耐火性の閉鎖板４，４で閉鎖する方法からなる。FIG. 1 shows an embodiment of the present invention.
It embodies the above-mentioned embodiment. In this embodiment, the floor 6 of each floor is supported by the vertical fire-resistant cable 1. In the floor 6 of each floor, the support metal fitting 3'is installed in the through hole of the floor through which the fire-resistant cable 1 is vertically penetrated. Then, the cable clamp 2 is fixed to the support fitting 3 ', the fireproof cable 1 penetrating through the through hole is clamped by the cable clamp 2, and further, the fireproof filler 5 is packed in the through hole. This is a method in which the support metal fitting 3'and the cable clamp 2 are covered, and finally the upper and lower openings of the through holes are closed by refractory closing plates 4 and 4.
【００１２】図２は、本発明の他の実施例にして、前述
の実施態様を具体化したものである。本実施例では、
床上にケーブル支持を行おうとする方法である。FIG. 2 shows another embodiment of the present invention in which the above-described embodiment is embodied. In this embodiment,
It is a method of trying to support cables on the floor.
【００１３】即ち、耐火ケーブル１を貫通する床６の貫
通孔の下側開口を耐火性の閉鎖板４で塞ぎ、それにより
有底状態とする貫通孔内に耐火性の充填材５を詰め込ん
で孔塞ぎを行う一方、床上において、支持金具３″を貫
通孔の上部を跨いで設置し、この支持金具にケーブルク
ランプ２を固定し、このケーブルクランプ２で耐火ケー
ブル１をクランプする。そして、床上には耐火箱１０を
設置して貫通孔の上部開口及び支持金具３″並びにケー
ブルクランプ２を覆い、耐火箱１０の中に耐火性の充填
材５を充填して、支持金具３″及びケーブルクランプ２
を充填材５の中に埋め込ませるようにする方法である。That is, the lower opening of the through hole of the floor 6 which penetrates the fire resistant cable 1 is closed by the fire resistant closing plate 4, whereby the fire resistant filler 5 is packed in the through hole which is in the bottomed state. While the holes are closed, a support metal fitting 3 ″ is installed on the floor over the upper part of the through hole, a cable clamp 2 is fixed to the support metal fitting, and the fire resistant cable 1 is clamped by the cable clamp 2. A fireproof box 10 is installed to cover the upper opening of the through hole and the support metal fitting 3 ″ and the cable clamp 2, and the fireproof box 10 is filled with a fireproof filler 5 to support the metal fitting 3 ″ and the cable clamp. Two
Is to be embedded in the filling material 5.
【００１４】図３は、本発明のさらに他の実施例にし
て、前述の実施態様を具体化したものである。本実施
例では、耐火ケーブル本体１′の両側に吊線７を副え、
シース材料で一体化した吊線付耐火ケーブルを床支持さ
せる方法を示す。FIG. 3 shows another embodiment of the present invention in which the above-described embodiment is embodied. In this embodiment, the suspension wire 7 is added to both sides of the fireproof cable body 1 '.
A method of supporting a fire resistant cable with a suspension wire integrated with a sheath material on the floor is shown.
【００１５】即ち、床の貫通孔の中に仕組まれた床貫通
枠８内に支持金具３″′を梁状に設置し、この支持金具
３″′にケーブルクランプ２′を取付け、このケーブル
クランプ２′に吊線３及び耐火ケーブル本体１′を一括
して把持させる。そして、これら支持金具３″′及びケ
ーブルクランプ２′を、貫通孔内に充填する耐火性の充
填材５で覆い尽くす方法である。尚、９は床内でのアン
カーである。That is, a support metal fitting 3 "" is installed in a beam shape in a floor through frame 8 built in a floor through hole, and a cable clamp 2'is attached to the support metal fitting 3 "". The suspension wire 3 and the fireproof cable body 1'are held together by 2 '. Then, the supporting metal fitting 3 ″ ″ and the cable clamp 2 ′ are completely covered with the refractory filling material 5 that fills the through hole. Reference numeral 9 is an anchor in the floor.
【００１６】[0016]
【発明の効果】以上説明したような本発明によれば、耐
火ケーブルを支持するための支持金具及びケーブルクラ
ンプを耐火性の充填材の如き耐火材で覆うようにしてい
るので、それら支持金具及びケーブルクランプとその部
分の耐火ケーブルが炎にさらされることはなく、耐火ケ
ーブルの支持機能を損なうことがない。このため、耐火
ケーブルとしての機能を十分に発揮し、延いては火災時
においても耐火ケーブルを安全に把持しつつ床への支持
を確実に行える、耐火ケーブルの支持方法を提供すると
いう所期の目的を達成できるのである。According to the present invention as described above, since the supporting metal fittings and the cable clamps for supporting the fireproof cable are covered with the fireproof material such as the fireproof filling material, The cable clamp and the refractory cable in that part are not exposed to the flame, and the supporting function of the refractory cable is not impaired. For this reason, it is intended to provide a method for supporting a fire-resistant cable, which fully exhibits its function as a fire-resistant cable and can securely support the floor while securely gripping the fire-resistant cable even during a fire. The purpose can be achieved.
【図１】本発明の実施例にして、耐火ケーブルを床の貫
通孔内で支持している状況を示す縦断面的説明図。FIG. 1 is an explanatory longitudinal sectional view showing a situation in which a fire resistant cable is supported in a through hole of a floor according to an embodiment of the present invention.
【図２】本発明の他の実施例にして、耐火ケーブルを床
上で支持している状況を示す縦断面的説明図。FIG. 2 is a vertical cross-sectional explanatory view showing a situation in which a fireproof cable is supported on the floor according to another embodiment of the present invention.
【図３】本発明のさらに他の実施例にして、吊線を有す
る耐火ケーブルを貫通孔内で支持している状況を示す平
面的説明図。FIG. 3 is a plan view showing a situation in which a fireproof cable having a suspension wire is supported in a through hole according to still another embodiment of the present invention.
１ 耐火ケーブル １′耐火ケーブル本体（吊線付き） ２ ケーブルクランプ ２′ ケーブルクランプ ３′ 支持金具（貫通孔内設置型） ３″ 支持金具（床上設置型） ３″′ 支持金具（床貫通枠内設置型） ４ 耐火性能を有する閉鎖板 ５ 耐火性能を有する充填材 ６ 床 ７ 吊線 ８ 床貫通枠 １０ 耐火箱 1 Fireproof cable 1'Fireproof cable body (with suspension wire) 2 Cable clamp 2'Cable clamp 3'Support metal fittings (installation type in through hole) 3 "Support metal fittings (floor installation type) 3" 'Support metal fittings (installation in floor through frame) Type) 4 Closing plate having fire resistance 5 Filler having fire resistance 6 Floor 7 Suspended wire 8 Floor penetration frame 10 Fireproof box
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────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成８年２月７日[Submission date] February 7, 1996
【手続補正１】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】図面の簡単な説明[Correction target item name] Brief description of drawings
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の実施例にして、耐火ケーブルを床の貫
通孔内で支持している状況を示す縦断面的説明図。FIG. 1 is an explanatory longitudinal sectional view showing a situation in which a fire resistant cable is supported in a through hole of a floor according to an embodiment of the present invention.
【図２】本発明の他の実施例にして、耐火ケーブルを床
上で支持している状況を示す縦断面的説明図。FIG. 2 is a vertical cross-sectional explanatory view showing a situation in which a fireproof cable is supported on the floor according to another embodiment of the present invention.
【図３】本発明のさらに他の実施例にして、吊線を有す
る耐火ケーブルを貫通孔内で支持している状況を示す平
面的説明図。 FIG. 3 is a plan view showing a situation in which a fireproof cable having a suspension wire is supported in a through hole according to still another embodiment of the present invention.
【図４】耐火ケーブルを垂直に布設する場合の従事例に[Fig. 4] Example of engagement when installing fireproof cables vertically
して、耐火ケーブルを床の貫通孔内で支持している状況And supporting the fireproof cable in the floor through hole.
を示す縦断面的説明図。FIG.
【符号の説明】 １ 耐火ケーブル １′耐火ケーブル本体（吊線付き） ２ ケーブルクランプ ２′ ケーブルクランプ３ 支持金具（床上離間設置型） ３′ 支持金具（貫通孔内設置型） ３″ 支持金具（床上設置型） ３″′ 支持金具（床貫通枠内設置型） ４ 耐火性能を有する閉鎖板 ５ 耐火性能を有する充填材 ６ 床 ７ 吊線 ８ 床貫通枠９ アンカー １０ 耐火箱[Explanation of symbols] 1 Fireproof cable 1'Fireproof cable main body (with suspension wire) 2 Cable clamp 2'Cable clamp 3 Support metal fittings (separate installation type on floor) 3'Support metal fittings (installation type in through hole) 3 "Support metal fittings (on floor) Installation type) 3 ″ ″ Supporting bracket (installation type inside floor penetration frame) 4 Closing plate having fire resistance 5 Filling material having fire resistance 6 Floor 7 Suspension wire 8 Floor penetration frame 9 Anchor 10 Fireproof box
Claims (4)
持する方法において、支持金具及びケーブルクランプを
耐火材で覆う、耐火ケーブルの支持方法。1. A method of supporting a fireproof cable laid in a vertical direction on a floor, which method comprises supporting a support metal fitting and a cable clamp with a fireproof material.
収納し、この支持金具及びケーブルクランプが埋まるよ
うに貫通孔の中に耐火性能を有する充填材を詰め込み、
貫通孔の上下を耐火性能を有する閉鎖板にて塞ぐ、請求
項１記載の耐火ケーブルの支持方法。2. A support metal fitting and a clamp are housed in a through hole on the floor, and a filling material having fire resistance is packed in the through hole so as to fill the support metal fitting and the cable clamp.
The method for supporting a fire resistant cable according to claim 1, wherein the upper and lower sides of the through hole are closed with a closing plate having fire resistance.
を有する充填材の詰め込まれた貫通孔の上に跨いで床上
に設置し、支持金具及びケーブルクランプが収まるよう
に耐火箱を床上に設置し、耐火箱の中に耐火性能を有す
る充填材を詰め込む、請求項１記載の耐火ケーブルの支
持方法。3. A support metal fitting and a cable clamp are installed on the floor straddling over a through hole filled with a filler having fire resistance, and a fireproof box is installed on the floor so that the support metal fitting and the cable clamp can be accommodated. The method for supporting a fire resistant cable according to claim 1, wherein a filler having fire resistance is packed in the fire resistant box.
通し、貫通孔の中の枠に支持金具を及びケーブルクラン
プを設置し、このケーブルクランプにてメッセンジャー
ワイヤを含めた耐火ケーブルを一括支持する、請求項１
記載の耐火ケーブルの支持方法。4. A fireproof cable having a suspension wire is passed through a through hole in the floor, a supporting metal fitting and a cable clamp are installed in a frame in the through hole, and the fireproof cable including a messenger wire is collectively packaged by this cable clamp. Supporting, claim 1
The method for supporting the fireproof cable described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7277774A JPH09121425A (en) | 1995-10-25 | 1995-10-25 | Method for supporting fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7277774A JPH09121425A (en) | 1995-10-25 | 1995-10-25 | Method for supporting fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09121425A true JPH09121425A (en) | 1997-05-06 |
Family
ID=17588141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7277774A Pending JPH09121425A (en) | 1995-10-25 | 1995-10-25 | Method for supporting fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09121425A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019041506A (en) * | 2017-08-25 | 2019-03-14 | 未来工業株式会社 | Installation structure of wiring and wiring material construction tool, and installation device of wiring and wiring material construction tool |
| CN109653968A (en) * | 2017-10-11 | 2019-04-19 | 中车兰州机车有限公司玉门风电分公司 | A kind of wind-power tower platform cable aperture fire-proof timing |
-
1995
- 1995-10-25 JP JP7277774A patent/JPH09121425A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019041506A (en) * | 2017-08-25 | 2019-03-14 | 未来工業株式会社 | Installation structure of wiring and wiring material construction tool, and installation device of wiring and wiring material construction tool |
| CN109653968A (en) * | 2017-10-11 | 2019-04-19 | 中车兰州机车有限公司玉门风电分公司 | A kind of wind-power tower platform cable aperture fire-proof timing |
| CN109653968B (en) * | 2017-10-11 | 2023-08-01 | 中车兰州机车有限公司玉门风电分公司 | Wind-powered electricity generation tower section of thick bamboo platform cable hole fire prevention support |
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