Title:
HEAT RETENTION DEVICE FOR TURBINE CASING, SECURING TOOL FOR SECURING HEAT RETENTION BLOCK FOR TURBINE CASING, AND METHOD FOR SECURING HEAT RETENTION BLOCK FOR TURBINE CASING
Document Type and Number:
WIPO Patent Application WO/2018/207913
Kind Code:
A1
Abstract:
In the present invention, a securing tool (4) for a heat retention block (3) covering a turbine casing main body (2) has: a securing rod (41), one end of which has an engaging part (431) that includes a protrusion (412); and a socket (42). The socket (42) has a guide groove (421), into which the protrusion (412) of the securing rod (41) is inserted, and a recessed groove (422). The guide groove (421) has a first guide groove (421a), which extends in the socket axis direction from a starting end (A1) to a terminal end (B1), and a second guide groove (421b), the starting end A2 of which is connected to the terminal end B1, and which extends from the starting end A2 to a terminal end B2 in a circumferential direction relative to the socket axis. The second guide groove (421b) is connected to the recessed groove (422).
Inventors:
ABE HYOTA (JP)
KUROKAWA YUJI (JP)
IZUMI TAKUYA (JP)
NAKAO TAKESHI (JP)
IDE KEISUKE (JP)
KOGA OSAMU (JP)
KUROKAWA YUJI (JP)
IZUMI TAKUYA (JP)
NAKAO TAKESHI (JP)
IDE KEISUKE (JP)
KOGA OSAMU (JP)
Application Number:
PCT/JP2018/018327
Publication Date:
November 15, 2018
Filing Date:
May 11, 2018
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
THERMAL POWER PLANT ENG CO LTD (JP)
THERMAL POWER PLANT ENG CO LTD (JP)
International Classes:
F01D25/24; F01D25/10; F01D25/28; F02C7/00; F02C7/24; F16B5/00
Foreign References:
| JPS61175694U | 1986-11-01 | |||
| JPS60182306A | 1985-09-17 | |||
| JPH10325500A | 1998-12-08 | |||
| JPS5385811A | 1978-07-28 | |||
| JPS62100497U | 1987-06-26 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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