WO2022021066A1 - Équipement de sondage cptu mobile sous-marin - Google Patents

Équipement de sondage cptu mobile sous-marin Download PDF

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Publication number
WO2022021066A1
WO2022021066A1 PCT/CN2020/105172 CN2020105172W WO2022021066A1 WO 2022021066 A1 WO2022021066 A1 WO 2022021066A1 CN 2020105172 W CN2020105172 W CN 2020105172W WO 2022021066 A1 WO2022021066 A1 WO 2022021066A1
Authority
WO
WIPO (PCT)
Prior art keywords
cptu
water
support frame
probe rod
penetration
Prior art date
Application number
PCT/CN2020/105172
Other languages
English (en)
Chinese (zh)
Inventor
王立忠
洪义
郑威威
国振
陈家旺
魏艳
Original Assignee
浙江大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 浙江大学 filed Critical 浙江大学
Priority to PCT/CN2020/105172 priority Critical patent/WO2022021066A1/fr
Publication of WO2022021066A1 publication Critical patent/WO2022021066A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00—Investigation of foundation soil in situ
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00

Definitions

  • the invention belongs to the technical field of marine observation and the field of marine engineering geology, and relates to a submarine mobile CPTu penetration equipment.
  • the maximum operating water depth and penetration detection depth of the in-situ survey equipment for the mechanical properties of the seabed mainly including the static penetration probe CPTu and its penetration equipment
  • the maximum operating water depth and penetration detection depth of the in-situ survey equipment for the mechanical properties of the seabed mainly including the static penetration probe CPTu and its penetration equipment
  • the purpose of the embodiments of the present invention is to provide a submarine mobile CPTu penetration equipment, so as to solve the problem that the maximum operating water depth and penetration detection depth existing in the existing survey equipment cannot meet the operation requirements of my country's sea areas, and generally cannot carry out mobile multi-point high-efficiency survey questions.
  • the embodiment of the present invention provides a submarine mobile CPTu penetration equipment, including:
  • An underwater heave movement unit the underwater heave movement unit includes a support frame, a guide frame, a water-filling buoy and a vector thruster, the guide frame is vertically fixed on the support frame, and the water-filling and draining
  • the buoys are symmetrically arranged on the support frame for providing heave force
  • the vector thruster is fixed on the guide frame for providing traveling power
  • the CPTu probe rod assembly is mounted on the support frame and guided by a guide frame;
  • a hydraulic propulsion system for providing penetration force to the CPTu probe assembly.
  • the CPTu probe rod assembly is located in a symmetrical position in the center of the support frame.
  • the described CPTu probe rod assembly includes a probe rod, a cone head, a water permeable filter and a friction cylinder, the cone head is fixed on the lower end of the probe rod, the friction cylinder is sleeved on the probe rod, and the water permeable filter is arranged After approaching the cone head, the cone head is used to measure the cone tip resistance, the water permeable filter is used to measure the excess pore water pressure, and the friction cylinder is used to measure the side friction resistance.
  • the hydraulic propulsion system includes a hydraulic motor, an elastic clamping device and a friction wheel.
  • the two elastic clamping devices are symmetrically distributed on both sides of the probe rod.
  • Friction wheels are installed on the rotating shaft of each hydraulic motor, two friction wheels are symmetrically distributed on both sides of the probe rod and are in contact with the probe rod, and the elastic clamping device is fixed on the support frame.
  • the elastic clamping device includes a fixed support, a control rod and a spring
  • the fixed support is hinged with the support frame
  • the hydraulic motor is installed on the fixed support
  • the control rod is installed on the support.
  • one end of the spring is pressed against the fixed support, and the other end is pressed against the end of the control rod.
  • a static touch detection control system includes an underwater crawling monitor for controlling the vector thruster and a hydraulic propulsion assembly monitor and control for controlling the hydraulic motor.
  • the water injection and drainage buoy has a water inlet, a water outlet and an air inlet, and the water in the water injection and drainage buoy is discharged underwater by using high pressure gas through the air inlet.
  • the water inlet and the water outlet are respectively provided with a water inlet valve and a water outlet valve.
  • the total volume of the water-filling and draining buoys is 4-8 m 3 .
  • the submarine mobile CPTu penetration equipment of the present invention is greatly enhanced in the operating depth through the injection and drainage buoys, and the hydraulic propulsion system enables it to penetrate into the detection depth. It fully meets the operation needs of all depths in my country's sea areas; the mobile operation capability (subsea operation range and operation efficiency, etc.) through the vector thruster has been significantly improved compared with the existing mainstream seated static penetration equipment.
  • the overall volume and weight of the equipment can be reduced as much as possible during design and manufacturing, and the equipment has a large depth, high mobility, miniaturization, Lightweight product features and significant advantages.
  • Fig. 1 is the front view of a kind of submarine mobile CPTu penetration equipment provided by the embodiment of the present invention
  • Fig. 2 is the side view of a kind of submarine mobile CPTu penetration equipment provided by the embodiment of the present invention
  • Fig. 3 is the top view of a kind of submarine mobile CPTu penetration equipment provided by the embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a CPTu probe rod assembly in an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a static touch detection control system in an embodiment of the present invention.
  • the reference numbers in the figure are as follows: 1—vector thruster; 2—small floating tugboat; 3—supporting frame; 4—CPTu probe rod assembly; 5—hydraulic propulsion system; 6—fixed support; 7—guide frame; 8 -Injection and drainage buoy; 9-Control rod; 10-Hydraulic motor; 11-Spring; 12-Elastic clamping device; 13-Friction wheel; 14-Probe rod; 15-Conical head; 16-Water permeable filter; 17-Friction 18—Underwater crawling monitor; 19—Hydraulic propulsion assembly monitor.
  • an embodiment of the present invention provides a submarine mobile CPTu penetration equipment, including:
  • the underwater heave mobile unit includes a support frame 3, a guide frame 7, a water injection and drainage buoy 8 and a vector thruster 1, the support frame 3 is used for fixing the overall structure, the The guide frame 7 is vertically fixed on the support frame 3 , the water injection and drainage buoys 8 are symmetrically arranged on the support frame 3 to provide heave force, and the vector thruster 1 is fixed on the guide frame 7 , used to provide driving power;
  • the CPTu probe rod assembly 4 the CPTu probe rod assembly 4 is mounted on the support frame 3, and is guided by the guide frame 7 to ensure that the CPTu probe rod assembly 4 penetrates vertically into the soil;
  • the hydraulic propulsion system 5 is used to provide the penetration force to the CPTu probe rod assembly 4, and the maximum penetration detection depth is 30m, which is guaranteed to fully meet the operation requirements of all depths in the sea area of my country.
  • the CPTu probe rod assembly 4 is preferably located at a centrally symmetrical position of the support frame 3 to ensure the stability of the touch probe equipment during operation.
  • the water injection and drainage buoys 8 are symmetrically arranged on the support frame 3 and have a water inlet, a water outlet and an air inlet.
  • the water inlet and the water outlet are respectively provided with a water inlet valve and a water outlet valve.
  • the port uses high-pressure gas to discharge the water in the injection and drainage buoy 8 underwater, and its total volume is designed to be 4-8 m 3 , which can provide a total of 4-8 tons of buoyancy in the water, which is used to provide heave force and ensure the submarine mobile CPTu
  • the penetration equipment can operate at a depth of 100m on the seabed.
  • the vector thruster 1 is fixed on the guide frame 7 to provide traveling power, and at the same time, the propulsion direction can be adjusted, so that the penetration equipment can perform mobile multi-point high-efficiency survey in the shallow surface of the seabed. Compared with the existing mainstream seated static penetration equipment, its mobile operation capability is significantly improved.
  • the CPTu probe rod assembly 4 includes a probe rod 14 , a cone head 15 , a water-permeable filter 16 and a friction cylinder 17 , the cone head 15 is fixed on the lower end of the probe rod 14 , and the friction cylinder 17 is sleeved on the probe rod 14 .
  • the water permeable filter 16 is arranged close to the cone head 15, and the wear of the sensor can be reduced under the condition of ensuring high measurement accuracy by reasonably selecting the position of the water permeable filter 16 and the friction cylinder 17.
  • the hydraulic propulsion system 5 includes a hydraulic motor 10, an elastic clamping device 12 and a friction wheel 13.
  • the two elastic clamping devices 12 are symmetrically distributed on both sides of the probe rod 14.
  • Each elastic clamping device A hydraulic motor 10 is installed on the 12, and a friction wheel 13 is installed on the rotating shaft of each hydraulic motor 10.
  • the two friction wheels 13 are symmetrically distributed on both sides of the probe rod 14 and are in contact with the probe rod 14.
  • the clamping device 12 is fastened to the support frame 3 .
  • the propulsion function of the probe rod 14 is mainly realized by the friction wheel 13. Its working principle is: the hydraulic motor 10 provides power to drive the friction wheel 13 to rotate.
  • the propulsion rod 14 continuously penetrates into the formation; the two hydraulic motors 10 are installed on the elastic clamping device 12, and the elastic clamping device 12 is fixed on the support frame 3, thereby providing the opposite extrusion friction to ensure The penetrating rod 14 can penetrate smoothly.
  • the elastic clamping device 12 includes a fixed support 6 , a control rod 9 and a spring 11 , the fixed support 6 is hinged with the support frame 3 , and the hydraulic motor 10 is installed on the fixed support 6 , the control rod 9 is installed in the support frame 3 , one end of the spring 11 is pressed against the fixed support 6 , and the other end is against the end of the control rod 9 .
  • the control rod 9 can be in a manual form, for example, the control rod 9 is directly screwed (ie, screwed) on the support frame 3, and the rotation of the control rod 9 can achieve forward or backward, so that the elastic force of the spring 11 can be adjusted.
  • an electric form can also be used, that is, an electric knob is used to realize forward or backward.
  • the clamping force of the friction wheel 13 on the touch probe rod 14 can be adjusted by adjusting the elastic clamping device.
  • a submarine mobile CPTu touch detection equipment further includes: a static touch detection control system, and the static touch detection control system includes an underwater crawling detector. 18 and the hydraulic propulsion assembly monitor and control unit 19, wherein the underwater crawling monitor and control unit 18 is used to control the vector thruster 1, so that the penetration equipment can carry out mobile multi-point efficient survey on the shallow surface of the seabed, and improve its mobile operation capability;
  • the hydraulic propulsion assembly monitor 19 is used to control the hydraulic motor 10 to provide penetration power for the CPTu probe rod assembly 4, with a maximum penetration detection depth of 30m, ensuring that it can fully meet the operation requirements of all depths in the sea area of my country.
  • the cores of the underwater crawling monitor and control unit 18 and the hydraulic propulsion assembly monitor and control unit 19 can be in the form of single-chip microcomputers. 18 and the upper and lower computer mode of the hydraulic propulsion assembly monitor 19.
  • the static touch detection control system mainly completes the control of the vector thruster 1 and adjusts its operating power and direction; adjusts the clamping force and bottoming of the touch probe rod 14 through the hydraulic motor 10; controls the start and stop of the hydraulic motor 10, and controls the elastic clip
  • the clamping device 12 clamps and loosens the touch probe rod 14, and completes data communication.
  • the filling and draining buoy 8 is filled with air, and the dead weight and buoyancy of the overall equipment in the water cancel each other out. Only the small floating tugboat 2 can pull the overall equipment to the target position, and the equipment can be equipped with its own vector thruster 1 Find survey sites freely. Open the water inlet valve and fill the water injection and drainage buoy 8 with seawater, so that the whole equipment sinks to the bottom of the seabed for operation.
  • the hydraulic propulsion assembly monitor 19 is controlled by the static touch probe control system to adjust the elastic force
  • the clamping force of the clamping device 12 on the probe rod 14 activates the hydraulic motor 10 to provide power to drive the friction wheel 13 to rotate, and the two friction wheels 13 act in opposite directions.
  • the hydraulic motor 10 is turned off to maintain the clamping force of the elastic clamping device 12 on the probe rod 14. After the survey data is stabilized, the data transmission is completed.
  • the submarine mobile CPTu penetration equipment of the present invention can operate at a depth of 100m on the seabed, the static penetration depth of the probe rod can reach 30m, and through the underwater heave and move the platform, with the vector thruster, the detection station can be selected independently and flexibly

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Geophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Soil Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

La présente invention concerne un équipement de sondage CPTu Mobile sous-marin, comprenant : une unité mobile de pilonnement sous-marin, l'unité mobile de pilonnement sous-marin comprenant un cadre de support (3), un cadre de guidage (7), des bouées d'injection/drainage d'eau (8), et des hélices vectorielles (1), le cadre de guidage (7) étant fixé verticalement sur le cadre de support (3) ; les bouées d'injection/drainage d'eau (8) étant disposées symétriquement sur le cadre de support (3) et utilisées pour fournir une force de pilonnement ; les hélices vectorielles (1) étant fixées sur le cadre de guidage (7) et utilisées pour fournir une puissance d'avance ; un ensemble sonde CPTu (4) monté sur le cadre de support (3) et guidé par le cadre de guidage (7) ; et un système de propulsion hydraulique (5) utilisé pour fournir une force de pénétration à l'ensemble sonde CPTu. La présente invention peut augmenter la profondeur de fonctionnement de l'équipement de sondage CPTu, améliorer de manière significative la capacité de fonctionnement mobile, et a les avantages d'être de grande profondeur, à mobilité élevée, à caractère miniature et de grande légèreté.
PCT/CN2020/105172 2020-07-28 2020-07-28 Équipement de sondage cptu mobile sous-marin WO2022021066A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2020/105172 WO2022021066A1 (fr) 2020-07-28 2020-07-28 Équipement de sondage cptu mobile sous-marin

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PCT/CN2020/105172 WO2022021066A1 (fr) 2020-07-28 2020-07-28 Équipement de sondage cptu mobile sous-marin

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114657965A (zh) * 2022-03-24 2022-06-24 湖州振豪岩土工程有限公司 一种岩土工程静力触探设备及工程应用
CN116335638A (zh) * 2023-04-21 2023-06-27 河南平宝煤业有限公司 一种自动化控速探杆自主清洗对中式钻孔成像装置

Citations (10)

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Publication number Priority date Publication date Assignee Title
US4043407A (en) * 1975-02-06 1977-08-23 Taywood Seltrust Offshore Drilling sampling/testing equipment
CN202830908U (zh) * 2012-10-16 2013-03-27 丁鉴群 一种水上静力触探设备
CN203372366U (zh) * 2013-05-13 2014-01-01 浙江华东建设工程有限公司 用于浅海静力触探的海上平台
CN107656320A (zh) * 2017-09-11 2018-02-02 青岛骄鹏海洋科技有限公司 一种自主沉浮式海底静力触探器
CN108318326A (zh) * 2018-01-19 2018-07-24 浙江大学 一种微型静力触探探杆
CN109056688A (zh) * 2018-09-04 2018-12-21 王盼 一种水下可连续贯入的静力触探装置
CN109444981A (zh) * 2018-11-30 2019-03-08 天津大学 一种水气自控式海底勘探平台和勘探方法
WO2019078551A1 (fr) * 2017-10-21 2019-04-25 주식회사 지오뷰 Dispositif d'essai de pénétration de cône de fond marin
CN109763473A (zh) * 2018-12-03 2019-05-17 中国海洋石油集团有限公司 一种水下支撑系统及深水海床静力触探设备
CN110607790A (zh) * 2019-10-23 2019-12-24 中国海洋大学 一种深海静力触探探头

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043407A (en) * 1975-02-06 1977-08-23 Taywood Seltrust Offshore Drilling sampling/testing equipment
CN202830908U (zh) * 2012-10-16 2013-03-27 丁鉴群 一种水上静力触探设备
CN203372366U (zh) * 2013-05-13 2014-01-01 浙江华东建设工程有限公司 用于浅海静力触探的海上平台
CN107656320A (zh) * 2017-09-11 2018-02-02 青岛骄鹏海洋科技有限公司 一种自主沉浮式海底静力触探器
WO2019078551A1 (fr) * 2017-10-21 2019-04-25 주식회사 지오뷰 Dispositif d'essai de pénétration de cône de fond marin
CN108318326A (zh) * 2018-01-19 2018-07-24 浙江大学 一种微型静力触探探杆
CN109056688A (zh) * 2018-09-04 2018-12-21 王盼 一种水下可连续贯入的静力触探装置
CN109444981A (zh) * 2018-11-30 2019-03-08 天津大学 一种水气自控式海底勘探平台和勘探方法
CN109763473A (zh) * 2018-12-03 2019-05-17 中国海洋石油集团有限公司 一种水下支撑系统及深水海床静力触探设备
CN110607790A (zh) * 2019-10-23 2019-12-24 中国海洋大学 一种深海静力触探探头

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114657965A (zh) * 2022-03-24 2022-06-24 湖州振豪岩土工程有限公司 一种岩土工程静力触探设备及工程应用
CN114657965B (zh) * 2022-03-24 2024-04-26 湖州振豪岩土工程有限公司 一种岩土工程静力触探设备及工程应用
CN116335638A (zh) * 2023-04-21 2023-06-27 河南平宝煤业有限公司 一种自动化控速探杆自主清洗对中式钻孔成像装置
CN116335638B (zh) * 2023-04-21 2024-05-31 河南平宝煤业有限公司 一种自动化控速探杆自主清洗对中式钻孔成像装置

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