JP5783656B1 - 水圧試験方法及び装置 - Google Patents
水圧試験方法及び装置 Download PDFInfo
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- JP5783656B1 JP5783656B1 JP2015504809A JP2015504809A JP5783656B1 JP 5783656 B1 JP5783656 B1 JP 5783656B1 JP 2015504809 A JP2015504809 A JP 2015504809A JP 2015504809 A JP2015504809 A JP 2015504809A JP 5783656 B1 JP5783656 B1 JP 5783656B1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 247
- 238000010998 test method Methods 0.000 title claims description 31
- 238000012360 testing method Methods 0.000 claims abstract description 247
- 230000002706 hydrostatic effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 56
- 230000002441 reversible effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000036962 time dependent Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2846—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
- G01M5/0058—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems of elongated objects, e.g. pipes, masts, towers or railways
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/0202—Control of the test
- G01N2203/0208—Specific programs of loading, e.g. incremental loading or pre-loading
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
20A ヘッドストックユニット
20B テールストック
21 空気抜き弁
30 低圧給水系
31 水タンク
32 プール
33 水サンプ
34 ポンプ
35 開閉弁
40 高圧給水系
41 増圧シリンダ
42 増圧シリンダ41の駆動系
43 切り替え機構(電磁弁)
44 サーボモータ駆動ポンプ
45 油サンプ
47 水圧センサ
48 制御系
Claims (6)
- 製造された金属管を水圧試験するために油圧駆動式の増圧シリンダから試験管内へ高圧水を供給して管内を所定の試験圧力に昇圧して所定時間保持する水圧試験方法において、前記増圧シリンダの油圧式駆動源として、並列接続された複数台のサーボモータ駆動ポンプを使用し、前記増圧シリンダの出力側が、予め設定した試験圧力の近傍に到達するまでは、複数台のサーボモータ駆動ポンプを同時運転し、その後は、複数台のサーボモータ駆動ポンプのうちの1台を除いて運転を停止して残り1台のサーボモータ駆動ポンプの運転により、前記増圧シリンダの出力側を試験圧力まで到達させて保持し、前記増圧シリンダについては、増圧比を段階的に高くした複数本の増圧シリンダを試験管に対して並列的に配置して、増圧比が小さいものから大きいものへ順番に使用する水圧試験方法。
- 請求項1に記載の水圧試験方法において、サーボモータ駆動ポンプが2容量形である水圧試験方法。
- 請求項1又は2に記載の水圧試験方法において、試験圧力より所定圧小さい切り替え点圧力を設定しておき、昇圧中は増圧シリンダの出力側で高圧水の水圧Pを測定し、測定水圧が前記切り替え点圧力に到達するまでは複数台のサーボモータ駆動ポンプを同時運転し、測定水圧が前記切り替え点圧力に到達した時点で、複数のサーボモータ駆動ポンプのうちの1台を除いて運転を停止し、測定水圧が試験圧力に到達した時点で運転中の1台のサーボモータ駆動ポンプの運転を停止する水圧試験方法。
- 製造された金属管を水圧試験するために油圧駆動式の増圧シリンダから試験管内へ高圧水を供給して管内を所定の試験圧力に昇圧して所定時間保持する水圧試験装置において、増圧シリンダの油圧式駆動源として、複数台のサーボモータ駆動ポンプが、前記増圧シリンダに対して並列に接続されると共に、前記増圧シリンダとして、増圧比が段階的に大きくなった複数本が、試験管に対して並列に接続されており、更に前記油圧式駆動源と複数本の増圧シリンダとの間に、油圧式駆動源からの圧油を複数本の増圧シリンダへ択一的に供給する切り替え機構が設けられると共に、増圧シリンダの出力側ラインに高圧水の水圧を測定する水圧センサが設けられており、増圧比の小さい増圧シリンダから増圧比の大きい増圧シリンダへ順番に動作するように前記切り替え機構が前記水圧センサによる測定水圧に基づいて制御されるシリンダ制御系が構成されている水圧試験装置。
- 請求項4に記載の水圧試験装置において、サーボモータ駆動ポンプが2容量形である水圧試験装置。
- 請求項4又は5に記載の水圧試験装置において、試験圧力より所定圧小さい切り替え点圧力が設定されており、測定水圧が切り替え点圧力に到達するまでは複数台のサーボモータ駆動ポンプが同時運転し、その後、測定水圧Pが試験圧力に到達するまでは1台のサーボモータ駆動ポンプが運転するように複数台のサーボモータ駆動ポンプが制御されるポンプ制御系が構成されている水圧試験装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/052575 WO2015118614A1 (ja) | 2014-02-04 | 2014-02-04 | 水圧試験方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5783656B1 true JP5783656B1 (ja) | 2015-09-24 |
JPWO2015118614A1 JPWO2015118614A1 (ja) | 2017-03-23 |
Family
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Family Applications (1)
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JP2015504809A Expired - Fee Related JP5783656B1 (ja) | 2014-02-04 | 2014-02-04 | 水圧試験方法及び装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10234367B2 (ja) |
EP (1) | EP3104158B1 (ja) |
JP (1) | JP5783656B1 (ja) |
KR (1) | KR20160117538A (ja) |
CN (1) | CN105980830B (ja) |
RU (1) | RU2649619C1 (ja) |
WO (1) | WO2015118614A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10234367B2 (en) | 2014-02-04 | 2019-03-19 | Nakata Manufacturing Co., Ltd. | Hydraulic test method and hydraulic test device |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106224332A (zh) * | 2016-08-31 | 2016-12-14 | 南京大地水刀股份有限公司 | 一种电伺服超高压系统及其操作原理 |
ES2683089B1 (es) * | 2017-03-23 | 2019-07-05 | Univ Burgos | Dispositivo para ensayo de componentes sometidos a alta presion en una maquina de traccion-compresion |
KR102012949B1 (ko) * | 2017-06-16 | 2019-08-21 | 한국기계연구원 | 대유량 밸브 충격압력 시험장치 |
KR101941704B1 (ko) * | 2017-12-28 | 2019-01-23 | 한국가스안전공사 | 가스용기 수압시험용 동시 주입장치 |
CN109060547B (zh) * | 2018-09-05 | 2020-03-31 | 江苏科技大学 | 复杂压力环境试验装置 |
CN109556964B (zh) * | 2018-11-06 | 2021-12-14 | 宁波大学 | 一种基于三维模型的隧道模型试验平台的监测控制系统 |
KR101998395B1 (ko) * | 2018-12-28 | 2019-07-09 | 한국가스안전공사 | 초고압용기 반복 가압 시험용 고속 대용량 유량 측정장치 |
CN111238919B (zh) * | 2020-02-25 | 2021-02-19 | 蓝箭航天空间科技股份有限公司 | 一种双介质压力试验装置 |
CN111413205B (zh) * | 2020-02-25 | 2021-03-02 | 蓝箭航天空间科技股份有限公司 | 一种双介质压力试验系统和方法 |
KR102500817B1 (ko) * | 2020-07-01 | 2023-02-17 | 주식회사 맥시스 | 밸브용 누설 시험 장치 및 방법 |
RU206134U1 (ru) * | 2021-06-07 | 2021-08-24 | Общество с ограниченной ответственностью Управляющая компания "Алтайский завод прецизионных изделий" | Установка для гидравлического нагружения компонентов систем common rail |
CN113280896B (zh) * | 2021-06-22 | 2022-11-25 | 宁波东海集团有限公司 | 一种水表密封性检测装置及方法 |
KR102520823B1 (ko) * | 2022-11-15 | 2023-04-11 | (재)한국건설생활환경시험연구원 | 해수압 환경 시험장치를 이용한 부력 시험방법 |
CN116861589B (zh) * | 2023-07-07 | 2024-03-12 | 上海贺力液压机电有限公司 | 一种冶金液压站伺服电机驱动系统可靠性设计方法 |
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JPS5575634A (en) | 1978-12-04 | 1980-06-07 | Hitachi Ltd | Running control unit for vibration test machine |
US4416147A (en) * | 1981-07-15 | 1983-11-22 | Hasha Brian B | Apparatus and method for hydrostatically testing pipe |
US4770019A (en) | 1985-12-28 | 1988-09-13 | Nakata Manufacture Company Limited | Forming roll, forming process and its apparatus in the pipe mill |
JPH0792061B2 (ja) | 1986-10-30 | 1995-10-09 | 日精樹脂工業株式会社 | 射出成形機の制御装置 |
JPH0687040B2 (ja) | 1989-04-10 | 1994-11-02 | 株式会社巴技研 | 引張クリープ破断試験機の伸び追従装置 |
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JP3137530B2 (ja) | 1994-04-15 | 2001-02-26 | 三菱重工業株式会社 | 歪み速度コントロール装置 |
JPH08187155A (ja) | 1995-01-09 | 1996-07-23 | Yoshio Shimizu | 回転寿司における湯呑み茶わん載せ台 |
JPH08187755A (ja) | 1995-01-10 | 1996-07-23 | Mitsubishi Heavy Ind Ltd | 射出成形機の保圧制御方法 |
JP4770019B2 (ja) | 2000-12-22 | 2011-09-07 | 三菱瓦斯化学株式会社 | プリプレグ及び金属箔張り積層板 |
DE10350279A1 (de) * | 2003-10-25 | 2005-05-25 | Eisen- Und Metallwerke Ferndorf Gmbh | Verfahren zur Einstellung spezifischer Qualitätsmerkmale und/oder -eigenschaften von Rohren mittels Druckprüfung |
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JP5852115B2 (ja) * | 2011-07-01 | 2016-02-03 | 株式会社中田製作所 | 管クランプ装置及び水圧試験機 |
KR20160117538A (ko) | 2014-02-04 | 2016-10-10 | 가부시키가이샤 나카타 세이사쿠쇼 | 수압 시험 방법 및 장치 |
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2014
- 2014-02-04 KR KR1020167024020A patent/KR20160117538A/ko not_active Application Discontinuation
- 2014-02-04 US US15/115,729 patent/US10234367B2/en not_active Expired - Fee Related
- 2014-02-04 EP EP14881914.7A patent/EP3104158B1/en active Active
- 2014-02-04 WO PCT/JP2014/052575 patent/WO2015118614A1/ja active Application Filing
- 2014-02-04 JP JP2015504809A patent/JP5783656B1/ja not_active Expired - Fee Related
- 2014-02-04 CN CN201480074786.XA patent/CN105980830B/zh not_active Expired - Fee Related
- 2014-02-04 RU RU2016135535A patent/RU2649619C1/ru not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10234367B2 (en) | 2014-02-04 | 2019-03-19 | Nakata Manufacturing Co., Ltd. | Hydraulic test method and hydraulic test device |
Also Published As
Publication number | Publication date |
---|---|
CN105980830A (zh) | 2016-09-28 |
US10234367B2 (en) | 2019-03-19 |
KR20160117538A (ko) | 2016-10-10 |
CN105980830B (zh) | 2019-08-16 |
EP3104158A1 (en) | 2016-12-14 |
JPWO2015118614A1 (ja) | 2017-03-23 |
EP3104158A4 (en) | 2017-10-25 |
RU2649619C1 (ru) | 2018-04-04 |
US20170167961A1 (en) | 2017-06-15 |
EP3104158B1 (en) | 2019-10-30 |
WO2015118614A1 (ja) | 2015-08-13 |
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