JPH0457587U - - Google Patents
Info
- Publication number
- JPH0457587U JPH0457587U JP10014290U JP10014290U JPH0457587U JP H0457587 U JPH0457587 U JP H0457587U JP 10014290 U JP10014290 U JP 10014290U JP 10014290 U JP10014290 U JP 10014290U JP H0457587 U JPH0457587 U JP H0457587U
- Authority
- JP
- Japan
- Prior art keywords
- guide
- tip
- diameter portion
- guide bar
- face
- 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
- 239000011435 rock Substances 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Description
第１図はこの考案の一実施例になる岩盤掘削機
のガイドバー装置の平面図、第２図は同側面図、
第３図は同正面図、第４図は第１図−線に沿
う断面図、第５図は従来のガイドバーを示す側面
図、第６図は同平面図である。
１……ガイドセル、２……スイングプレート、
３……ラインビツト、９……ガイドバー、９ａ…
…小径部、９ｂ……大径部、９ｃ……テーパ部、
１１……油圧シリンダ、１４……切羽、１４ａ…
…孔。
Fig. 1 is a plan view of a guide bar device for a rock excavator that is an embodiment of this invention, and Fig. 2 is a side view of the same.
3 is a front view of the same, FIG. 4 is a sectional view taken along the line of FIG. 1, FIG. 5 is a side view showing the conventional guide bar, and FIG. 6 is a plan view of the same. 1... Guide cell, 2... Swing plate,
3... Line bit, 9... Guide bar, 9a...
...Small diameter part, 9b...Large diameter part, 9c...Tapered part,
11... Hydraulic cylinder, 14... Face, 14a...
...hole.
Claims (1)
を切羽１４に穿設した孔１４ａに挿入してこのガ
イドバー９により掘削反力を支持しながら、水平
方向へ揺動されるスイングプレート２の先端に取
付けられたラインビツト３により切羽１４を掘削
する岩盤掘削機において、上記ガイドセル１の先
端側に油圧シリンダ１１により進退自在な複数の
ガイドバー９を設けると共に、これらガイドバー
９の先端側を小径に形成し、かつこの小径部９ａ
と大径部９ｂの間にテーパ部９ｃを形成してなる
岩盤掘削機のガイドバー装置。 Guide bar 9 provided at the tip of guide cell 1
is inserted into the hole 14a drilled in the face 14, and while the excavation reaction force is supported by the guide bar 9, the face 14 is excavated by the line bit 3 attached to the tip of the swing plate 2 that swings in the horizontal direction. In the rock excavator, a plurality of guide bars 9 are provided on the tip side of the guide cell 1 and are movable back and forth by a hydraulic cylinder 11, and the tip sides of these guide bars 9 are formed to have a small diameter, and the small diameter portion 9a
A guide bar device for a rock excavator, in which a tapered portion 9c is formed between the large diameter portion 9b and the large diameter portion 9b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10014290U JPH0457587U (en) | 1990-09-27 | 1990-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10014290U JPH0457587U (en) | 1990-09-27 | 1990-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0457587U true JPH0457587U (en) | 1992-05-18 |
Family
ID=31842562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10014290U Pending JPH0457587U (en) | 1990-09-27 | 1990-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0457587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161392A (en) * | 2004-12-07 | 2006-06-22 | Okumura Corp | Drilling machine |
| JP2020002385A (en) * | 2018-06-25 | 2020-01-09 | 日本製鉄株式会社 | Blast furnace pig iron cutting device and blast furnace pig iron cutting method |
-
1990
- 1990-09-27 JP JP10014290U patent/JPH0457587U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161392A (en) * | 2004-12-07 | 2006-06-22 | Okumura Corp | Drilling machine |
| JP2020002385A (en) * | 2018-06-25 | 2020-01-09 | 日本製鉄株式会社 | Blast furnace pig iron cutting device and blast furnace pig iron cutting method |
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