NEW-TYPE CLOSURE AND COFFER DAM BODY OF HYDROPOWER STATION, AND DAM BODY CONSTRUCTION METHOD

WIPO Patent Application WO/2022/016603

A1

Disclosed is a new-type closure and coffer dam body of a hydropower station, the dam body comprising a concrete frame dam body (1), wherein two sides of the concrete frame dam body (1) are provided with concrete auxiliary dams (2); the concrete frame dam body (1) is internally provided with a rolling mat frame (3); the rolling mat frame (3) comprises a metal frame (31); the metal frame (31) is provided with a plurality of water-through holes; the upstream face of the metal frame (31) is fixedly connected to a rolling mat (32), with one end of the rolling mat (32) being fixedly connected to the metal frame (31), and the other end thereof being fixedly connected to a floating body (33); the upstream face of the metal frame (31) is further provided with a rolling mat locking device, by which the rolling mat (32) is fixed when the rolling mat (32) is rolled up; and the metal frame (31) is further provided with a fixing rod (36) for opening and closing the locking device. According to the dam body, capital investment is reduced, and the construction period is greatly shortened.

GUI LINSHENG (CN)

PCT/CN2020/106534

January 27, 2022

August 03, 2020

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GUI LINSHENG (CN)

E02B7/00; E02B5/00; E02B8/00; E02B9/00; E02D19/04; E02D23/08

CN106560560A	2017-04-12
CN108755731A	2018-11-06
CN207160039U	2018-03-30
CN1272572A	2000-11-08
CN203361102U	2013-12-25
DE2203365A1	1973-08-09
KR101421459B1	2014-07-23

RZBC PATENT AGENCY (GENERAL PARTNERSHIP) (CN)

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