JPS6323391U - - Google Patents
Info
- Publication number
- JPS6323391U JPS6323391U JP11589586U JP11589586U JPS6323391U JP S6323391 U JPS6323391 U JP S6323391U JP 11589586 U JP11589586 U JP 11589586U JP 11589586 U JP11589586 U JP 11589586U JP S6323391 U JPS6323391 U JP S6323391U
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- bit
- fixing
- shield excavator
- holders
- 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
- 238000009434 installation Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図はこの考案を適用したシールド掘進機の
カツターデイスクを示す斜視図、第２図は同デイ
スクのカツタービツトの取り付け構造を示す拡大
斜視図、第３図は同取り付け状態を示す一部断面
平面図、第４図は従来のカツタービツトの取り付
け構造を示す断面図である。
１０……カツターデイスク、１６……カツター
ビツト、１８……ビツトホルダ、１８ｃ……窪み
、２０……ピン、２０ｂ……頭部、２２……ナツ
ト。
Fig. 1 is a perspective view showing a cutter disk of a shield excavator to which this invention is applied, Fig. 2 is an enlarged perspective view showing the installation structure of the cutter bit of the same disk, and Fig. 3 is a partial cross-section showing the same installation state. The plan view and FIG. 4 are cross-sectional views showing a conventional cutter bit mounting structure. 10... cutter disk, 16... cutter bit, 18... bit holder, 18c... recess, 20... pin, 20b... head, 22... nut.
Claims (1)
を配置し、該ホルダにピンを介してカツタービツ
トを固定するようにしたシールド掘削機において
、前記ビツトホルダの両側部に前記ピンの頭部、
およびピン固定用のナツトが嵌め付けられる窪み
を形成したことを特徴とするシールド掘削機にお
けるカツタービツトの固定構造。 In a shield excavator in which a plurality of bit holders are arranged in front of a cutter disk, and the cutter bits are fixed to the holders via pins, heads of the pins are provided on both sides of the bit holder,
and a structure for fixing a cutter bit in a shield excavator, characterized by forming a recess into which a nut for fixing the pin is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11589586U JPS6323391U (en) | 1986-07-30 | 1986-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11589586U JPS6323391U (en) | 1986-07-30 | 1986-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6323391U true JPS6323391U (en) | 1988-02-16 |
Family
ID=30999979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11589586U Pending JPS6323391U (en) | 1986-07-30 | 1986-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6323391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019138098A (en) * | 2018-02-14 | 2019-08-22 | 川崎重工業株式会社 | Cutter head |
-
1986
- 1986-07-30 JP JP11589586U patent/JPS6323391U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019138098A (en) * | 2018-02-14 | 2019-08-22 | 川崎重工業株式会社 | Cutter head |
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