JPS5980600U

JPS5980600U - Supporting equipment such as bedrock

Info

Publication number: JPS5980600U
Application number: JP17507582U
Authority: JP
Inventors: 賢二大西; 青島　輝夫; 川口　征治
Original assignee: 同和鉱業株式会社
Priority date: 1982-11-19
Filing date: 1982-11-19
Publication date: 1984-05-31

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係る支保具の一実施例を示す斜視図、
第２図は同じ（他の実施例を示す斜視図、第３図は使用
例の一例を示す説明図である。符号説明、１・・・ロックボルト本体、２・・・口元部
、３・・・挿入部、４・・・弱構造部、５・・・先端部
、６・・・ベアリングプレート、７・・・開口、訃・・
当板、９・・・孔、１０・・・岩盤、１１・・・溶接線
部、１２・・・拡張金具、１３・・・打撃ロッド。FIG. 1 is a perspective view showing an embodiment of the support device according to the present invention;
FIG. 2 is the same (a perspective view showing another embodiment, and FIG. 3 is an explanatory view showing an example of usage. Symbol explanation, 1... Lock bolt body, 2... Mouth part, 3... ...Insertion part, 4...Weak structure part, 5...Tip part, 6...Bearing plate, 7...Opening, end...
Backing plate, 9... Hole, 10... Rock, 11... Welding line portion, 12... Expansion fitting, 13... Hitting rod.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

（１）岩盤、コンクリート等の天然又は人工の構造物内
部の亀裂の発生もしくは増大を防止すると共にその外壁
の崩落、崩落を防止するため人工的に穿孔した孔内に打
込む支保具であって、該支保具は鋼管を用いてその口元
部を残し先端部まで少なくともその外周面の一側を一様
に押圧して変形させた弱構造部を有し且つ上記先端部は
さらに全体的に縮径するよう外周から押圧して先細りに
形成したロックボルトと、上記ロックホルトの口元部た
けは通過できない形状又は大きさに開設した開口を有す
るベアリングプレートとから構成されることを特徴とす
る岩盤等、の支保具。(1) A brace that is driven into an artificially drilled hole to prevent the occurrence or increase of cracks inside a natural or artificial structure such as bedrock or concrete, and to prevent the outer wall from collapsing or collapsing. , the brace has a weak structural part made of a steel pipe, which is deformed by uniformly pressing at least one side of its outer circumferential surface up to the tip, leaving the mouth part, and the tip part is further compressed as a whole. A rock, etc., characterized in that it is composed of a rock bolt that is pressed from the outer periphery to be tapered to have a diameter, and a bearing plate that has an opening formed in a shape or size that does not allow the mouth of the rock bolt to pass through. , bracing.

（２）前記弱構造部は鋼管を上下両側から押圧して構成
し、鋼管の該部分の断面形状が略鼓状に形成してなる実
用新案登録請求の範囲第１項記載の岩盤等の支保具。(2) The weak structural portion is constructed by pressing a steel pipe from both the upper and lower sides, and the cross-sectional shape of the portion of the steel pipe is approximately drum-shaped. Ingredients.

（３）前記弱構造部は、使用する鋼管が電線管にあって
は、その溶接線部が管内に食込んで該部分の鋼管断面形
状が略ハート形となるよう押圧することにより構成して
なる実用新案登録請求の範囲第１項記載の岩盤等の支保
具。(3) If the steel pipe used is a conduit pipe, the weak structural part is constructed by pressing the weld line part into the pipe so that the cross-sectional shape of the steel pipe in this part becomes approximately heart-shaped. A support for rock, etc., as set forth in claim 1 of the utility model registration claim.