JP2021015044A5 - - Google Patents
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- Publication number
- JP2021015044A5 JP2021015044A5 JP2019129897A JP2019129897A JP2021015044A5 JP 2021015044 A5 JP2021015044 A5 JP 2021015044A5 JP 2019129897 A JP2019129897 A JP 2019129897A JP 2019129897 A JP2019129897 A JP 2019129897A JP 2021015044 A5 JP2021015044 A5 JP 2021015044A5
- Authority
- JP
- Japan
- Prior art keywords
- wire rope
- hole
- closed wire
- inspection
- inspecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 claims 24
- 238000007689 inspection Methods 0.000 claims 22
- 239000011248 coating agent Substances 0.000 claims 18
- 238000000576 coating method Methods 0.000 claims 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 5
- 230000000149 penetrating effect Effects 0.000 claims 4
- 230000035515 penetration Effects 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
Claims (20)
前記密閉式ワイヤロープの被覆に点検用の貫通穴を形成するステップと、
前記点検用の貫通穴から、前記密閉式ワイヤロープの被覆の内側に対する加圧若しくは減圧を行うステップと、
前記加圧若しくは減圧の状態が維持されるか否かによって、前記密閉式ワイヤロープの被覆に貫通傷があるか否かを判別するステップと、
前記点検用の貫通穴を塞ぐステップと、
を有することを特徴とする密閉式ワイヤロープの点検方法。 This is a method of inspecting a sealed wire rope with a coating used for bridges.
A step of forming a through hole for inspection in the coating of the sealed wire rope,
A step of pressurizing or depressurizing the inside of the coating of the closed wire rope from the through hole for inspection, and
A step of determining whether or not there is a penetration scratch in the coating of the sealed wire rope depending on whether or not the state of pressurization or depressurization is maintained, and
The step of closing the through hole for inspection and
A method of inspecting a closed wire rope, characterized by having.
前記密閉式ワイヤロープの被覆に点検用の貫通穴を形成するステップと、
前記点検用の貫通穴から、前記密閉式ワイヤロープの被覆の内側に対して加圧若しくは減圧を行うステップと、
漏洩音の有無によって、前記密閉式ワイヤロープの被覆に貫通傷があるか否かを判別するステップと、
前記点検用の貫通穴を塞ぐステップと、
を有することを特徴とする密閉式ワイヤロープの点検方法。 This is a method of inspecting a sealed wire rope with a coating used for bridges.
A step of forming a through hole for inspection in the coating of the sealed wire rope,
A step of pressurizing or depressurizing the inside of the coating of the closed wire rope from the through hole for inspection.
A step of determining whether or not there is a penetration scratch in the coating of the sealed wire rope depending on the presence or absence of leakage sound, and
The step of closing the through hole for inspection and
A method of inspecting a closed wire rope, characterized by having.
前記密閉式ワイヤロープの被覆に点検用の貫通穴を形成するステップと、
前記点検用の貫通穴から、撮像装置によって撮像可能な検知用ガスを注入するステップと、
前記撮像装置によって、前記密閉式ワイヤロープの被覆の外部への前記検知用ガスの漏出が撮像されたか否かによって、前記密閉式ワイヤロープの被覆に貫通傷があるか否かを判別するステップと、
前記点検用の貫通穴を塞ぐステップと、
を有することを特徴とする密閉式ワイヤロープの点検方法。 This is a method of inspecting a sealed wire rope with a coating used for bridges.
A step of forming a through hole for inspection in the coating of the sealed wire rope,
A step of injecting a detection gas that can be imaged by an image pickup device from the through hole for inspection,
A step of determining whether or not there is a penetration scratch in the coating of the sealed wire rope depending on whether or not the leakage of the detection gas to the outside of the coating of the sealed wire rope is imaged by the imaging device. ,
The step of closing the through hole for inspection and
A method of inspecting a closed wire rope, characterized by having.
前記貫通傷を補修するステップと、
前記点検用の貫通穴とは別に、前記密閉式ワイヤロープの被覆に給排気用の貫通穴を形成するステップと、
前記点検用の貫通穴と前記給排気用の貫通穴の間において、通風を行うステップと、
前記給排気用の貫通穴を塞ぐステップと、
を有することを特徴とする密閉式ワイヤロープの補修方法。 A method for repairing a closed wire rope, which is performed after the method for inspecting a closed wire rope according to any one of claims 10 to 12.
The step of repairing the penetration scratch and
In addition to the through hole for inspection, a step of forming a through hole for air supply / exhaust in the coating of the closed wire rope, and
A step of ventilating between the inspection through hole and the air supply / exhaust through hole,
The step of closing the through hole for air supply and exhaust,
A method of repairing a closed wire rope, characterized in that it has.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019129897A JP7258681B2 (en) | 2019-07-12 | 2019-07-12 | Sealed wire rope inspection method, sealed wire rope repair method, and sealed wire rope |
| PCT/JP2020/012976 WO2021009971A1 (en) | 2019-07-12 | 2020-03-24 | Sealed wire rope inspection method, sealed wire repair method, and sealed wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019129897A JP7258681B2 (en) | 2019-07-12 | 2019-07-12 | Sealed wire rope inspection method, sealed wire rope repair method, and sealed wire rope |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021015044A JP2021015044A (en) | 2021-02-12 |
| JP2021015044A5 true JP2021015044A5 (en) | 2022-06-22 |
| JP7258681B2 JP7258681B2 (en) | 2023-04-17 |
Family
ID=74209780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019129897A Active JP7258681B2 (en) | 2019-07-12 | 2019-07-12 | Sealed wire rope inspection method, sealed wire rope repair method, and sealed wire rope |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7258681B2 (en) |
| WO (1) | WO2021009971A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2926001B2 (en) * | 2021-04-09 | 2023-06-22 | Gd Energy Services S A U | Procedure for detection and repair of defects in penetration sealing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4285615A (en) | 1978-12-13 | 1981-08-25 | Conoco, Inc. | Corrosion resistant tension leg cables |
| JPS6285835A (en) * | 1985-10-11 | 1987-04-20 | Nippon Steel Corp | Breakage detecting method for anticorrosive layer or parallel wire cable for mooring ocean floating structure |
| JPS6478139A (en) * | 1987-09-21 | 1989-03-23 | Nippon Kokan Kk | Method for detecting through-hole of wall surface of object to be inspected |
| JPH04184133A (en) * | 1990-11-19 | 1992-07-01 | Mitsubishi Cable Ind Ltd | Detection of pinhole on pipe body |
| JP4184133B2 (en) | 2003-04-07 | 2008-11-19 | 株式会社豊田中央研究所 | Image processing device |
| JP6478139B2 (en) | 2014-03-18 | 2019-03-06 | 株式会社リコー | Method for manufacturing droplet discharge head |
-
2019
- 2019-07-12 JP JP2019129897A patent/JP7258681B2/en active Active
-
2020
- 2020-03-24 WO PCT/JP2020/012976 patent/WO2021009971A1/en active Application Filing
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