JPS63151595U - - Google Patents

Description

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

第１図は本考案に係わるシールド式掘削機の一
実施例の余掘用カツタスポーク後退時の状態を示
す正面図、第２図はそのときの縦断側面図、第３
図は余掘用カツタスポーク突出時の状態を示す正
面図、第４図はそのときの縦断側面図、第５図は
従来のシールド式掘削機の縦断側面図、第６図は
第５図の矢印方向からみた余掘装置の側面図で
ある。 １……シールド掘削機本体、２……カツタヘツ
ド部、２ａ……カツタヘツド面板、３……カツタ
スポーク、４……カツタビツト、５……余掘用カ
ツタスポーク、６……余掘用カツタビツト、７…
…余掘用カツタスポーク５の作動用ジヤツキ、９
……モータ、８，１０……歯車、１１……ロータ
リジヨイント、１２……シヤフト、１３……スリ
ツト、１４……カツタチヤンバ。 Fig. 1 is a front view showing the state of an embodiment of the shield type excavator according to the present invention when the cutter spoke for over-excavation is retracted, Fig. 2 is a longitudinal side view at that time, and Fig. 3
The figure is a front view showing the condition when the cutter spoke for over-excavation is protruded, Figure 4 is a vertical side view at that time, Figure 5 is a vertical side view of a conventional shield type excavator, and Figure 6 is the same as Figure 5. It is a side view of the over-excavation device seen from the arrow direction. DESCRIPTION OF SYMBOLS 1... Shield excavator main body, 2... Katsuta head part, 2a... Katsuta head face plate, 3... Katsuta spoke, 4... Katsuta bit, 5... Katsuta spoke for extra digging, 6... Katsuta bit for extra digging, 7...
...Jet for operating cutter spoke 5 for extra digging, 9
...Motor, 8, 10...Gear, 11...Rotary joint, 12...Shaft, 13...Slit, 14...Kutachi yamba.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 掘削機本体の最前部にカツタヘツド部を回転可
能に取付け、同カツタヘツド部のカツタヘツド面
板にカツタスポークを半径方向に沿つて設け、同
カツタスポークにカツタビツトを取付けたシール
ド式掘削機において、前記カツタスポークの外端
部に余掘用カツタスポークを半径方向への移動を
可能に取付け、同余掘用カツタスポークの切羽面
に余掘用カツタビツトを着脱自在に取付けて、同
余掘用カツタスポークの前面を前記カツタスポー
クの前面に、同余掘用カツタビツトの前面を前記
各カツタビツトの前面に、それぞれ一致させたこ
とを特徴とするシールド式掘削機。 In a shield type excavator, a cutter head is rotatably attached to the frontmost part of the excavator body, a cutter spoke is provided along the radial direction on the cutter head face plate of the cutter head, and a cutter bit is attached to the cutter spoke. A cutter spoke for extra digging is attached to the outer end so that it can move in the radial direction, and a cutter bit for extra digging is removably attached to the face of the cutter spoke for extra digging. A shield type excavator characterized in that the front surface of the cutter spoke and the front surface of the cutter bit for over-excavation are aligned with the front surface of each cutter bit.