JPS61121293U - - Google Patents

Info

Publication number
JPS61121293U
JPS61121293U JP144685U JP144685U JPS61121293U JP S61121293 U JPS61121293 U JP S61121293U JP 144685 U JP144685 U JP 144685U JP 144685 U JP144685 U JP 144685U JP S61121293 U JPS61121293 U JP S61121293U
Authority
JP
Japan
Prior art keywords
cutter
over
tip
digging
cutter head
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
Application number
JP144685U
Other languages
Japanese (ja)
Other versions
JPH0338314Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985001446U priority Critical patent/JPH0338314Y2/ja
Publication of JPS61121293U publication Critical patent/JPS61121293U/ja
Application granted granted Critical
Publication of JPH0338314Y2 publication Critical patent/JPH0338314Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る余掘り用カツターの一例
を示すものでイは平面図、ロは正面図、ハは側面
図、第２図は同余掘り用カツターの取付状態の断
面図、第３図は従来のシールド掘削機のカツター
ヘツド部分の断面図、第４図〜第６図はそれぞれ
従来の余掘り用カツターを示すもので各図中イは
平面図、ロは正面図、ハは側面図である。 Ａ……余掘り用カツター、１０……カツターヘ
ツド、１２……支持部、１３……カツター母材、
１４ａ，１４ａ……超硬チツプ、１５ａ，１５ｂ
……切削刃部、１６，１７……先行ビツト。 Figure 1 shows an example of the cutter for over-digging according to the present invention, in which A is a plan view, B is a front view, C is a side view, and Figure 2 is a cross-sectional view of the cutter for over-digging in an installed state. Figure 3 is a sectional view of the cutter head of a conventional shield excavator, and Figures 4 to 6 each show a conventional over-digging cutter. In each figure, A is a plan view, B is a front view, and C is a side view. It is a diagram. A... cutter for extra digging, 10... cutter head, 12... support part, 13... cutter base material,
14a, 14a... Carbide chip, 15a, 15b
... Cutting blade section, 16, 17 ... Leading bit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 旋回駆動軸を中心にして旋回し、該旋回駆動軸
の軸方向に前進するシールド掘進機のカツターヘ
ツドの内に備えられ、該カツターヘツドの半径方
向の先端に出入されるシールド掘削機のオーバー
カツター、コピーカツターを含む余掘り用カツタ
ーにおいて、該カツター母材の前記カツターヘツ
ド前進面の両側縁を切削刃部となし、該切削刃部
にはその一部又は略全域にわたつて超硬材料から
なる超硬チツプを固着するとともに前記カツター
母材の前進面及び頂部にあつて両切削刃部の間に
、先端を該両切削刃部より前方側突出させた１個
又は複数個の先行ビツドの前者のみ、後者のみ、
又は両方を備えたことを特徴としてなるジールド
掘削機の余掘りカツター。 An over cutter of a shield excavator that is provided in a cutter head of a shield excavator that rotates around a rotation drive shaft and moves forward in the axial direction of the rotation drive shaft, and that is moved in and out of the tip in the radial direction of the cutter head; In a cutter for over-digging including a copy cutter, both edges of the cutter head advancing surface of the cutter base material are used as cutting blade portions, and the cutting blade portion is made of a carbide material over a part or substantially the entire area thereof. The former of one or more leading bits to which a carbide tip is fixed and which is located between the cutting blades on the advancing surface and the top of the cutter base material and has its tip protruding forward from the cutting blades. only, the latter only,
Or the over-digging cutter of the Geald excavator, which is characterized by being equipped with both.
JP1985001446U 1985-01-11 1985-01-11 Expired JPH0338314Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985001446U JPH0338314Y2 (en) 1985-01-11 1985-01-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985001446U JPH0338314Y2 (en) 1985-01-11 1985-01-11

Publications (2)

Publication Number Publication Date
JPS61121293U true JPS61121293U (en) 1986-07-31
JPH0338314Y2 JPH0338314Y2 (en) 1991-08-13

Family

ID=30474203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985001446U Expired JPH0338314Y2 (en) 1985-01-11 1985-01-11

Country Status (1)

Country Link
JP (1) JPH0338314Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63151595U (en) * 1987-03-23 1988-10-05
JPH026795U (en) * 1988-06-29 1990-01-17

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53128127A (en) * 1977-04-13 1978-11-08 Kumagai Gumi Co Ltd Shield excavator
JPS5760995U (en) * 1980-09-22 1982-04-10

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459781A (en) * 1977-10-19 1979-05-14 Mitsubishi Heavy Ind Ltd Catamaran

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53128127A (en) * 1977-04-13 1978-11-08 Kumagai Gumi Co Ltd Shield excavator
JPS5760995U (en) * 1980-09-22 1982-04-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63151595U (en) * 1987-03-23 1988-10-05
JPH026795U (en) * 1988-06-29 1990-01-17

Also Published As

Publication number Publication date
JPH0338314Y2 (en) 1991-08-13

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