Title:
継手穴削正装置
Document Type and Number:
Japanese Patent JP6696844
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a joint hole grinding device capable of simultaneously grinding a plurality of bolt insertion holes of a flange joint with high precision.SOLUTION: A joint hole grinding device comprises: a plurality of reamers arranged corresponding to positions of bolt insertion holes of a plurality of kinds of flange joint; an elevation table on which a flange joint to be processed can be mounted; clamp means capable of fixing the mounted flange joint; a sensor for determining a kind of the flange joint; a first motor for rotating the plurality of reamers; a second motor for moving the elevation table upward and downward; rotation transmission means for transmitting turning force of the first motor to the plurality of reamers; conversion means for converting turning force of the second motor into vertical moving power of the elevation table; and control means capable of controlling the first motor and the second motor, the control means having a function of rotating the first motor reversely to grinding with the clamp means released once the flange joint to be processed is mounted on the elevation table.SELECTED DRAWING: Figure 2
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Inventors:
Toshitaka Ichinohe
Kazuhiko Tsutsui
Suzuki Michitaka
Yoshihiro Ishii
Mitsushi Adachi
Kazuhiko Tsutsui
Suzuki Michitaka
Yoshihiro Ishii
Mitsushi Adachi
Application Number:
JP2016127132A
Publication Date:
May 20, 2020
Filing Date:
June 28, 2016
Export Citation:
Assignee:
East Japan Railway Company
International Classes:
B23D75/00; B23Q17/00
Domestic Patent References:
| JP53095492U | ||||
| JP59034944U | ||||
| JP1264717A | ||||
| JP2106237A | ||||
| JP5162012A | ||||
| JP11513622A | ||||
| JP2000343327A | ||||
| JP2004223644A | ||||
| JP2004298998A | ||||
| JP2005059196A | ||||
| JP2015094394A |
Foreign References:
| US3073023 | ||||
| KR20000061220A |
Attorney, Agent or Firm:
Gwangyang International Patent Office