Title:
JIG FOR POSITIONING OF BOLT HOLE IN COUPLING
Document Type and Number:
Japanese Patent JP2015094394
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a jig for positioning of a bolt hole in coupling, capable of shortening a required time of fastening work of coupling with a general reamer bolt.SOLUTION: A hollow sleeve 110 having a C-shaped cross section, which has a slit 111 provided over the whole length and of which inner peripheral surface 110b is a tapered surface, is inserted into a bolt hole D of a part of couplings A, B; a centering pin 120, of which outer peripheral surface 121 is a tapered surface corresponding to the inner peripheral surface 110b of the hollow sleeve 110, is inserted into the hollow sleeve 110 to position the bolt hole D of the couplings A, B; and a reamer bolt E is inserted into the residual bolt hole D of the couplings A, B.
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Inventors:
TATSUI YUYA
ABE KAZUYUKI
OUCHI KANAME
OKUYAMA NOBORU
ABE KAZUYUKI
OUCHI KANAME
OKUYAMA NOBORU
Application Number:
JP2013232669A
Publication Date:
May 18, 2015
Filing Date:
November 11, 2013
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS
International Classes:
F16D1/033; F16B19/02
Domestic Patent References:
| JPS54104598U | 1979-07-23 | |||
| JPS57500703A | 1982-04-22 | |||
| JPS61173825U | 1986-10-29 |
Attorney, Agent or Firm:
Kaichi International Patent Office
Polaire Patent Business Corporation
Polaire Patent Business Corporation