Title:
ボルト回転装置
Document Type and Number:
Japanese Patent JP6771289
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a bolt rotation device which can be carried into a work site, enables simplification and downsizing, and achieves increase of the efficiency of conventional bolt maintenance work.SOLUTION: A bolt rotation device includes: a base 12; a driving roller 18 which is disposed at an upper surface side of the base 12, supports a bolt 32 that is a rotation object, and applies a rotational force to the bolt 32; a driven roller 20 which is disposed adjacent to the driving roller 18 at the upper surface side of the base 12, supports the bolt 32, and rolls with the bolt 32 to which the rotational force is applied by the driving roller 18; lifting means 16 which is disposed at the upper surface side of the base 12 and includes a rod 16b protruding to a lower surface side of the base 12; and travel means 14 for moving the base 12. The driven roller 20 includes a slide mechanism 26 which changes a distance between the driven roller 20 and the driving roller 18.SELECTED DRAWING: Figure 2
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Inventors:
Keigo Goto
Tetsuya Hamakawa
Yuji Igarashi
Joji Onodera
Hideto Kobayashi
Kubota Masuo
Tetsuya Hamakawa
Yuji Igarashi
Joji Onodera
Hideto Kobayashi
Kubota Masuo
Application Number:
JP2016031885A
Publication Date:
October 21, 2020
Filing Date:
February 23, 2016
Export Citation:
Assignee:
Hitachi Plant Construction Co., Ltd.
International Classes:
B24B41/06; B24B5/18
Domestic Patent References:
| JP60172461A | ||||
| JP2023926U | ||||
| JP9066447A | ||||
| JP50072283A | ||||
| JP5044452U | ||||
| JP2003025209A | ||||
| JP53103258U |
Foreign References:
| US4406090 |
Attorney, Agent or Firm:
Yuichi Murakami
Hiroshi Seki
Hiroshi Seki