JPS63100600U - - Google Patents

Info

Publication number
JPS63100600U
JPS63100600U JP19558786U JP19558786U JPS63100600U JP S63100600 U JPS63100600 U JP S63100600U JP 19558786 U JP19558786 U JP 19558786U JP 19558786 U JP19558786 U JP 19558786U JP S63100600 U JPS63100600 U JP S63100600U
Authority
JP
Japan
Prior art keywords
drill head
thread
width
groove
view
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.)
Granted
Application number
JP19558786U
Other languages
Japanese (ja)
Other versions
JPH0545680Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986195587U priority Critical patent/JPH0545680Y2/ja
Publication of JPS63100600U publication Critical patent/JPS63100600U/ja
Application granted granted Critical
Publication of JPH0545680Y2 publication Critical patent/JPH0545680Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Earth Drilling (AREA)

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工用ロツクボルトの
一実施例を示す縦断側面図、第2図は先端に取付
けるドリルヘツドの斜視図、第3図はカツプリン
グナツトの断面図、第4図は本考案のロツクボル
トの使用状態を示す縦断側面図、第5図は縦断正
面図、第6図はねじの一部の拡大図、第7図は従
来のボルト本体の一例を示す図で、同図Aは側面
図、Bは平面図、CはA図の―′線断面図で
ある。 1……中空ボルト本体、2……注入孔、3……
左ねじ、3′……螺旋溝、5……ドリルヘツド、
6……連絡孔、7……排出口、8……ボーリング
チツプ、12……リブ。
Fig. 1 is a longitudinal side view showing one embodiment of the rock bolt for shoring according to the present invention, Fig. 2 is a perspective view of the drill head attached to the tip, Fig. 3 is a sectional view of the coupling nut, and Fig. 4 is the main body. FIG. 5 is a longitudinal sectional side view showing the state of use of the invented lock bolt, FIG. 5 is a longitudinal sectional front view, FIG. 6 is an enlarged view of a part of the screw, and FIG. 1 is a side view, B is a plan view, and C is a sectional view taken along the line -' of FIG. 1...Hollow bolt body, 2...Injection hole, 3...
Left-hand thread, 3'... spiral groove, 5... drill head,
6... Communication hole, 7... Outlet, 8... Boring tip, 12... Rib.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中心部にグラウトや高圧空気、高圧水の注入孔
を貫通して設け、外周の全長にわたりリブを有す
るねじを形成し、ねじの溝部分の幅がリブの幅の
倍数あつて、リブの幅が溝部分の深さにほぼ等し
い中空ボルト本体と、その先端にねじ込まれ、前
記注入孔に連絡する排出口を設けたドリルヘツド
と、ドリルヘツドの末端にねじ込まれたナツトと
から構成される支保工用ロツクボルト。
A hole for injecting grout, high-pressure air, and high-pressure water is provided in the center, and the thread has ribs along the entire length of the outer circumference.The width of the groove of the thread is a multiple of the width of the rib, and A rock bolt for shoring consisting of a hollow bolt body approximately equal to the depth of the groove, a drill head screwed into the tip thereof and provided with a discharge port communicating with the injection hole, and a nut screwed into the end of the drill head. .
JP1986195587U 1986-12-19 1986-12-19 Expired - Lifetime JPH0545680Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986195587U JPH0545680Y2 (en) 1986-12-19 1986-12-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986195587U JPH0545680Y2 (en) 1986-12-19 1986-12-19

Publications (2)

Publication Number Publication Date
JPS63100600U true JPS63100600U (en) 1988-06-30
JPH0545680Y2 JPH0545680Y2 (en) 1993-11-24

Family

ID=31153610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986195587U Expired - Lifetime JPH0545680Y2 (en) 1986-12-19 1986-12-19

Country Status (1)

Country Link
JP (1) JPH0545680Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0468200A (en) * 1990-07-09 1992-03-03 Taisei Corp Rotary percussion transferring lock bolt

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428205A (en) * 1977-08-05 1979-03-02 Furukawa Electric Co Ltd:The Preventing device for oxidation of molten metal
JPS5531888U (en) * 1978-08-24 1980-02-29
JPS60192047A (en) * 1984-03-09 1985-09-30 新日本製鐵株式会社 Screw iron wire connection method and apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531888B2 (en) * 1974-09-11 1980-08-21

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428205A (en) * 1977-08-05 1979-03-02 Furukawa Electric Co Ltd:The Preventing device for oxidation of molten metal
JPS5531888U (en) * 1978-08-24 1980-02-29
JPS60192047A (en) * 1984-03-09 1985-09-30 新日本製鐵株式会社 Screw iron wire connection method and apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0468200A (en) * 1990-07-09 1992-03-03 Taisei Corp Rotary percussion transferring lock bolt

Also Published As

Publication number Publication date
JPH0545680Y2 (en) 1993-11-24

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