JPH0218595U - - Google Patents
Info
- Publication number
- JPH0218595U JPH0218595U JP9737588U JP9737588U JPH0218595U JP H0218595 U JPH0218595 U JP H0218595U JP 9737588 U JP9737588 U JP 9737588U JP 9737588 U JP9737588 U JP 9737588U JP H0218595 U JPH0218595 U JP H0218595U
- Authority
- JP
- Japan
- Prior art keywords
- threaded portion
- cutter
- katsutavi
- face plate
- cutter bit
- 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
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図はシールドの縦断面図、第３図は第１図のＡ−
Ａ矢示図、第４図は第１図のＢ−Ｂ矢示図、第５
図は他の実施例を示す断面図、第６図は従来のカ
ツタビツト取付構造を示す図である。
図中、１はシールドフレーム、２はバルクヘツ
ド、３にカツタ面板、６はカツタビツト、９は雄
ねじ部、１０は雌ねじ部、１４は回転具、１５は
挿通孔である。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a vertical cross-sectional view of the shield, and Figure 3 is A-A in Figure 1.
The A-arrow diagram, Figure 4 is the B-B arrow diagram of Figure 1, and the 5th
The figure is a sectional view showing another embodiment, and FIG. 6 is a view showing a conventional cutter bit mounting structure. In the figure, 1 is a shield frame, 2 is a bulkhead, 3 is a cutter face plate, 6 is a cutter bit, 9 is a male threaded portion, 10 is a female threaded portion, 14 is a rotating tool, and 15 is an insertion hole.
Claims (1)
方にカツタ面板をその軸回りに回転自在に設け、
このカツタ面板にカツタビツトを取付ける構造に
おいて、上記カツタビツトの基部に雄ねじ部を形
成すると共にカツタ面板にこれを貫通して上記カ
ツタビツトの雄ねじ部が螺合する雌ねじ部を形成
し、該雌ねじ部に対応する上記バルクヘツドの位
置にカツタビツトの後部に係合してこれを回転し
て取外すと共に新たなカツタビツトを取付けるた
めの回転具を挿通させる挿通孔を設けたことを特
徴とするシールドのカツタビツト取付構造。 A cutter face plate is installed in front of the bulk head that partitions the inside of the shield frame so that it can rotate freely around its axis.
In this structure for attaching the cutter bit to the cutter face plate, a male threaded portion is formed at the base of the cutter bit, and a female threaded portion is formed through this on the cutter face plate and into which the male threaded portion of the cutter bit is screwed, and a female screw portion is formed to correspond to the female threaded portion. A structure for attaching a Katsutavi to a shield, characterized in that an insertion hole is provided at the position of the bulkhead, through which a rotary tool for engaging the rear part of the Katsutavi and rotating it to remove it and installing a new Katsutavi is inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9737588U JPH0540156Y2 (en) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9737588U JPH0540156Y2 (en) | 1988-07-25 | 1988-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0218595U true JPH0218595U (en) | 1990-02-07 |
| JPH0540156Y2 JPH0540156Y2 (en) | 1993-10-12 |
Family
ID=31322787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9737588U Expired - Lifetime JPH0540156Y2 (en) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540156Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007205002A (en) * | 2006-02-01 | 2007-08-16 | Jfe Engineering Kk | Cutter bit for shield machine, cutter bit loading tool, and cutter bit loading method |
| JP2020153108A (en) * | 2019-03-19 | 2020-09-24 | 株式会社大林組 | Cutter bit device and cutter bit changing device |
-
1988
- 1988-07-25 JP JP9737588U patent/JPH0540156Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007205002A (en) * | 2006-02-01 | 2007-08-16 | Jfe Engineering Kk | Cutter bit for shield machine, cutter bit loading tool, and cutter bit loading method |
| JP2020153108A (en) * | 2019-03-19 | 2020-09-24 | 株式会社大林組 | Cutter bit device and cutter bit changing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0540156Y2 (en) | 1993-10-12 |
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