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
Links
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 239000011440 grout Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
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)
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. .
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)
| 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)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5531888B2 (en) * | 1974-09-11 | 1980-08-21 |
-
1986
- 1986-12-19 JP JP1986195587U patent/JPH0545680Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| 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)
| 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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