立坑壁面穿孔装置及び立坑壁面穿孔方法

Japanese Patent JP7296704

B2

To provide a shaft wall surface punching device and a shaft wall surface punching method capable of punching a cave hole on a lateral wall surface in a shaft without entering of a person to a shaft.SOLUTION: There is provided a shaft wall surface punching device 100 comprising: a punching unit 40 which has a hole saw 50 being rotated around an axis line; and a punching unit position setting member 10 which arranges the punching unit 40 on a height direction position corresponding to a punching scheduled position of a lateral wall surface in a drain pound W, and on a horizontal direction position corresponding to the punching scheduled position, and sets orientation of the hole saw 50 toward the punching scheduled position. The punching unit 40 comprises a wall surface pressing member for receiving reaction force which is generated in the axis line direction of the hole saw 50 when rotating the hole saw 50 and advancing the hole saw toward the lateral wall surface for forming a hole, by pressing the lateral wall surface in the shaft.SELECTED DRAWING: Figure 1

JP6739259	Drilling device
WO/2023/087361	ROOTS VACUUM PUMP ROTOR MACHINING EQUIPMENT AND PROCESS
WO/2013/133118	METHOD FOR FINISHING SPRAY COATED SURFACE, AND WORK TOOL

Shunichi Onitsuka
Takeshi Tamai
Hiroshi Yamamoto
Hideyuki Shinoda
Yoshishi Nakamura
Nobuyuki Oshida
Takushi Watanabe
Masatake Kobayashi
Akira Okina
Isamu Ito
Tohru Hirayama

JP2018172137A

June 23, 2023

September 14, 2018

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TEPCO Holdings Co., Ltd.
Tokyo Power Technology Co., Ltd.
Koyo Co., Ltd.

B23B41/00; B23B35/00; B23B39/14; B23B45/14; B23B51/05; E21B7/04

JP2006326722A
JP2000130061A
JP48011484U
JP57018916U

US4222687

Yasushi Matsunuma
Junichi Kobayashi
Onami Kazunori
Masahisa Matsumoto
Hiroyuki Matsumoto

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