JPH03122197U - - Google Patents
Info
- Publication number
- JPH03122197U JPH03122197U JP2910990U JP2910990U JPH03122197U JP H03122197 U JPH03122197 U JP H03122197U JP 2910990 U JP2910990 U JP 2910990U JP 2910990 U JP2910990 U JP 2910990U JP H03122197 U JPH03122197 U JP H03122197U
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- over
- digging
- spoke
- shank
- 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
- 238000009412 basement excavation Methods 0.000 claims 1
- 239000011888 foil Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の余掘り装置を内蔵したカツタ
スポークの縦断面図、第２図は余掘り用カツタが
突出された状態を示す同上面図、第３図は第１図
のＡ−Ａ断面図、第４図は従来の余掘り装置を装
備したシールド掘進機のカツタ部の縦断面図、第
５図は第４図のＢ矢視図、第６図は第４図の余掘
り装置を内蔵したカツタスポークの縦断面図、第
７図は余掘り用カツタが突出された状態を示す同
上面図、第８図は第６図のＣ矢視図である。
３……カツタホイル、３ｂ……カツタスポーク
、６……余掘り用カツタ、１０……ガイド部材、
１３……結合ピン、１４……カツタスポーク内の
固定部材、１６……余掘り用カツタのシヤンク、
１７……シヤンクの中空部、１８……油圧ジヤツ
キ、１８ａ……シリンダ、１８ｂ……ロツド端部
、１９……シリンダのフランジ、２０……ロツド
ポート、２１……フランジ１９とシヤンク１６の
結合ボルト。
Fig. 1 is a longitudinal cross-sectional view of a cutter spoke incorporating the over-digging device of the present invention, Fig. 2 is a top view of the cutter spoke showing the over-digging cutter in a protruding state, and Fig. 3 is taken from A-A in Fig. 1. 4 is a longitudinal cross-sectional view of the cutter section of a shield excavator equipped with a conventional over-digging device, FIG. 5 is a view taken in the direction of arrow B in FIG. 4, and FIG. 6 is the over-digging device in FIG. 4. FIG. 7 is a top view of the cutter spoke with a built-in cutter spoke, FIG. 7 is a top view of the cutter spoke with the over-digging cutter protruded, and FIG. 8 is a view taken in the direction of arrow C in FIG. 6. 3... Katsuta foil, 3b... Katsuta spoke, 6... Katsuta for extra digging, 10... Guide member,
13...Connection pin, 14...Fixing member in cutter spoke, 16...Shank of cutter for extra digging,
17... Hollow part of shank, 18... Hydraulic jack, 18a... Cylinder, 18b... Rod end, 19... Cylinder flange, 20... Rod port, 21... Connection bolt between flange 19 and shank 16.
Claims (1)
タスポークの内部に、ガイド部材によつて摺動可
能に保持されたシヤンクをもつ余掘り用カツタと
油圧ジヤツキを内蔵し、該油圧ジヤツキにより余
掘り用カツタをカツタスポークから突出したり引
込めたりするようにしたシールド掘進機の余掘り
装置において、余掘り用カツタのシヤンクに中空
部を設け、その中空部に前記油圧ジヤツキのシリ
ンダをはめ込み固定し、前記油圧ジヤツキのロツ
ド端部をカツタスポーク内にある固定部材に結合
したことを特徴とするシールド掘進機の余掘り装
置。 A cutter spoke arranged in the radial direction of the cutter wheel has a built-in cutter for extra digging with a shank that is slidably held by a guide member and a hydraulic jack. In an over-digging device for a shield excavator that can be protruded or retracted from a cutter spoke, a hollow part is provided in the shank of the cutter for over-digging, and the cylinder of the hydraulic jack is fitted and fixed in the hollow part, An over-excavation device for a shield excavator, characterized in that the rod end of the cutter is connected to a fixing member in a cutter spoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990029109U JP2502404Y2 (en) | 1990-03-23 | 1990-03-23 | Overdrilling device for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990029109U JP2502404Y2 (en) | 1990-03-23 | 1990-03-23 | Overdrilling device for shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03122197U true JPH03122197U (en) | 1991-12-13 |
| JP2502404Y2 JP2502404Y2 (en) | 1996-06-26 |
Family
ID=31531885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990029109U Expired - Lifetime JP2502404Y2 (en) | 1990-03-23 | 1990-03-23 | Overdrilling device for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2502404Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119933728A (en) * | 2025-01-21 | 2025-05-06 | 中国铁建重工集团股份有限公司 | An ultra-digging cutter system capable of online wear monitoring and replacement |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55163392U (en) * | 1979-05-08 | 1980-11-22 | ||
| JPS6431194U (en) * | 1987-08-21 | 1989-02-27 |
-
1990
- 1990-03-23 JP JP1990029109U patent/JP2502404Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55163392U (en) * | 1979-05-08 | 1980-11-22 | ||
| JPS6431194U (en) * | 1987-08-21 | 1989-02-27 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119933728A (en) * | 2025-01-21 | 2025-05-06 | 中国铁建重工集团股份有限公司 | An ultra-digging cutter system capable of online wear monitoring and replacement |
| CN119933728B (en) * | 2025-01-21 | 2025-11-11 | 中国铁建重工集团股份有限公司 | Super-digging cutter system capable of being monitored and replaced in online wear mode |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2502404Y2 (en) | 1996-06-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |