JPH0161291U - - Google Patents
Info
- Publication number
- JPH0161291U JPH0161291U JP15479387U JP15479387U JPH0161291U JP H0161291 U JPH0161291 U JP H0161291U JP 15479387 U JP15479387 U JP 15479387U JP 15479387 U JP15479387 U JP 15479387U JP H0161291 U JPH0161291 U JP H0161291U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- holding part
- conical bit
- conical
- underground excavator
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 4
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
第１図は、本考案の一実施例による地中掘削機
用ドラムカツタの一部を示す正面図、第２図は、
一実施例による地中掘削機用ドラムカツタの刃体
を拡大して示す側面図、第３図は、刃体のドラム
体外周面への配列態様をドラム体を平面状に展開
した状態で示した平面図、第４図は、一実施例に
よる地中掘削機を地盤等と共に示す全体正面図、
第５図は、従来の地中掘削機用ドラムカツタの一
例を示す下面図、第６図は従来の地中掘削機用ド
ラムカツタの一部を示す正面図である。
１……地中掘削機、３……ドラム体、３ａ……
外周面、６……軸、１２……地中掘削機用ドラム
カツタ、１３……刃体、１４……切刃、１５……
コニカルビツト、１５ａ……保持部、１６……保
持体、Ｇ……地盤。
FIG. 1 is a front view showing a part of a drum cutter for an underground excavator according to an embodiment of the present invention, and FIG.
FIG. 3 is an enlarged side view showing a blade body of a drum cutter for an underground excavator according to an embodiment, and shows the manner in which the blade bodies are arranged on the outer peripheral surface of the drum body when the drum body is unfolded in a flat state. The plan view and FIG. 4 are an overall front view showing an underground excavator according to an embodiment together with the ground etc.;
FIG. 5 is a bottom view showing an example of a conventional drum cutter for an underground excavator, and FIG. 6 is a front view showing a part of the conventional drum cutter for an underground excavator. 1... Underground excavator, 3... Drum body, 3a...
Outer peripheral surface, 6... Shaft, 12... Drum cutter for underground excavator, 13... Blade body, 14... Cutting blade, 15...
Conical bit, 15a...holding part, 16...holding body, G...ground.
Claims (1)
周面に突設されて地盤を掘削する複数の刃体とを
有して構成された地中掘削機用ドラムカツタにお
いて、前記刃体は、前端部を円錘状に形成される
と共にその先端に切刃を有するコニカルビツトと
、該コニカルビツトを前記ドラム体の外周面に対
して所定の角度を持たせた状態で保持する保持体
とで構成され、さらに前記切刃は、前記保持体に
保持される前記コニカルビツトの保持部に対し偏
心して形成されていると共に、前記コニカルビツ
トは、前記保持部の軸回り回動自在にかつ前記保
持部の軸方向の移動を許容する状態に保持されて
いることを特徴とする地中掘削機用ドラムカツタ
。 A drum cutter for an underground excavator configured with a drum body that rotates around an axis and a plurality of blade bodies protruding from the outer peripheral surface of the drum body to excavate the ground, the blade bodies having a front end The conical bit is formed into a conical shape and has a cutting edge at its tip, and a holder that holds the conical bit at a predetermined angle with respect to the outer peripheral surface of the drum body, Furthermore, the cutting edge is formed eccentrically with respect to the holding part of the conical bit held by the holding body, and the conical bit is rotatable about the axis of the holding part and in the axial direction of the holding part. A drum cutter for an underground excavator, characterized in that it is maintained in a state that allows movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15479387U JPH0442392Y2 (en) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15479387U JPH0442392Y2 (en) | 1987-10-09 | 1987-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0161291U true JPH0161291U (en) | 1989-04-19 |
| JPH0442392Y2 JPH0442392Y2 (en) | 1992-10-06 |
Family
ID=31431844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15479387U Expired JPH0442392Y2 (en) | 1987-10-09 | 1987-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442392Y2 (en) |
-
1987
- 1987-10-09 JP JP15479387U patent/JPH0442392Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0442392Y2 (en) | 1992-10-06 |