CN105258683A - Deep sea floor shallow sediment in-situ testing device - Google Patents
Deep sea floor shallow sediment in-situ testing device Download PDFInfo
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- CN105258683A CN105258683A CN201510695768.XA CN201510695768A CN105258683A CN 105258683 A CN105258683 A CN 105258683A CN 201510695768 A CN201510695768 A CN 201510695768A CN 105258683 A CN105258683 A CN 105258683A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
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- Hydrology & Water Resources (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a deep sea floor shallow sediment in-situ testing device which comprises penetration equipment and release equipment. The penetration equipment is sequentially provided with a probe, a probing rod, a balance weight and a flow guide sleeve from bottom to top. A conical tip is arranged at the lower end of the probe. A pore water pressure sensor and a resistance sensor are arranged in the probe. A sealed cabin is arranged in the flow guide sleeve. A data collecting and storing system and an acceleration sensor are arranged in the sealed cabin. The acceleration sensor is electrically connected with the data collecting and storing system. The pore water pressure sensor and the resistance sensor are electrically connected with the data collecting and storing system through a water tight cable. The device has the advantage of being capable of obtaining sea floor shallow in-situ soil mass properties of different depths fast and accurately.
Description
Technical field
The present invention relates to a kind of ocean exploration equipment field, particularly relate to a kind of deep seafloor shallow sediment in-situ testing device.
Background technology
The test of marine bottom sediment physico-mechanical properties is that the designs of subsea cable and oil pipeline, marine bottom sediment estimation of stability and marine fishery resources assessment must indispensable links.
In recent years, along with China strengthens day by day to Oil And Gas Exploration And Development dynamics, sea-bottom surface sediment mechanical property testing requirement amount constantly increases.In conventional ocean exploration process, because submarine soil is generally large, the saturated loose and easily disturbance of high-moisture, thickness, conventional boring with sampling and shop experiment are all difficult to the original position parameter of reacting the sea-bottom shallow soil body really, and the engineer applied greatly reducing Soil Parameters is worth.
Summary of the invention
The invention provides a kind of deep seafloor shallow sediment in-situ testing device, to realize the original position parameter accurately obtaining the sea-bottom shallow soil body.
Embodiments provide a kind of deep seafloor shallow sediment in-situ testing device, this in-situ testing device comprises:
Sounding device and the releasing arrangement for discharging described sounding device be connected with described sounding device;
The probe that described sounding device is sequentially arranged from bottom to up, feeler lever, counterweight and kuppe; The lower end of described probe is cone point, is provided with pore water pressure sensor and resistive force sensor in described probe; Pressurized capsule is provided with in described kuppe, Data acquisition and storage system and acceleration transducer is provided with in described pressurized capsule, described acceleration transducer is electrically connected with described Data acquisition and storage system, and acceleration during for gathering described sounding device injection sediment is also transferred to Data acquisition and storage system; Described pore water pressure sensor and resistive force sensor are electrically connected with Data acquisition and storage system by watertight cable, and the data collected also are transferred to described Data acquisition and storage system by pore water pressure during for gathering described sounding device injection sediment and the data of resistance.
Further, described kuppe adopts 3 blade shapes, in 120 degree of angles between blade.
Further, the battery for powering to described sounding device is also provided with in described pressurized capsule.
Further, described pressurized capsule top be equipped with for the charging of described battery and start described Data acquisition and storage system the first plug, for being equipped with the 3rd plug be electrically connected with Data acquisition and storage system by described watertight cable bottom the second plug of Data acquisition and storage system and network service and described pressurized capsule.
Further, described 3rd plug is 6 core weather proof receptacles.
Further, described counterweight comprises at least one disk.
Further, described disc centre has the circular hole run through up and down, and pass for described watertight cable, the edge of disk is provided with the screw hole run through up and down, and described screw hole inserts screw, for adjacent discs being fixed.
Further, described acceleration sensor comprises the second acceleration transducer that the first acceleration transducer that range is 4g and range are 8g.
Further, the top of described kuppe is provided with the first suspension ring and the second suspension ring, and described first suspension ring are connected with described releasing arrangement with the second suspension ring.
Further, described releasing arrangement comprises: release, the first hawser set collar for fixing the first hawser is provided with above described release, described first hawser is used for described in-situ testing device to be placed on seabed, the below of release is provided with for the hook ring of fixed hook and the second hawser set collar for fixing the second hawser, described hook is connected with described first suspension ring, for discharging described sounding device, described second hawser is connected with described second suspension ring, for reclaiming described sounding device;
Release lever, the first end of described release lever is connected with described release, and the second end of described release lever and described release counterweight restricts be connected, for fixing and release shackle by being touched the end.
The invention provides a kind of deep seafloor shallow sediment in-situ testing device, this device comprises: sounding device and the releasing arrangement be connected with described sounding device; The probe that described sounding device is sequentially arranged from bottom to up, feeler lever, counterweight and kuppe; The lower end of described probe is cone point, is provided with pore water pressure sensor and resistive force sensor in described probe; Pressurized capsule is provided with in described kuppe, Data acquisition and storage system and acceleration transducer is provided with in described pressurized capsule, described acceleration transducer is electrically connected with described Data acquisition and storage system, and acceleration during for gathering described sounding device injection sediment is also transferred to Data acquisition and storage system; Described pore water pressure sensor and resistive force sensor are electrically connected with Data acquisition and storage system by watertight cable, and the data collected also are transferred to described Data acquisition and storage system by pore water pressure during for gathering described sounding device injection sediment and the data of resistance.Technical scheme of the present invention, solves the problem that conventional boring with sampling and shop experiment are all difficult to react really the original position parameter of the sea-bottom shallow soil body, reaches the effect of the original position parameter of the sea-bottom shallow soil body that can obtain different depth fast and accurately.
Accompanying drawing explanation
The structural representation of a kind of deep seafloor shallow sediment in-situ testing device that Fig. 1 provides for the embodiment of the present invention;
The inner structure schematic diagram of the pressurized capsule of a kind of deep seafloor shallow sediment in-situ testing device that Fig. 2 provides for the embodiment of the present invention;
The schematic cross-section of the disk of the composition counterweight of a kind of deep seafloor shallow sediment in-situ testing device that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
The structural representation of a kind of deep seafloor shallow sediment in-situ testing device that Fig. 1 provides for the embodiment of the present invention, the inner structure schematic diagram of the pressurized capsule of a kind of deep seafloor shallow sediment in-situ testing device that Fig. 2 provides for the embodiment of the present invention, the schematic cross-section of the disk of the composition counterweight of a kind of deep seafloor shallow sediment in-situ testing device that Fig. 3 provides for the embodiment of the present invention; As depicted in figs. 1 and 2, this in-situ testing device comprises:
Sounding device 10 and the releasing arrangement 20 for discharging sounding device 10 be connected with sounding device 10;
The probe 11 that sounding device 10 is sequentially arranged from bottom to up, feeler lever 12, counterweight 13 and kuppe 14; The lower end of probe 11 is cone point 111, is provided with pore water pressure sensor 112 and resistive force sensor 113 in probe 11; Pressurized capsule 15 is provided with in kuppe 14, Data acquisition and storage system 151 and acceleration transducer 152 is provided with in pressurized capsule 15, acceleration transducer 152 is electrically connected with Data acquisition and storage system 151, and acceleration during for gathering sounding device 10 injection sediment is also transferred to Data acquisition and storage system 151; Pore water pressure sensor 112 and resistive force sensor 113 are electrically connected with Data acquisition and storage system 151 by watertight cable, and the data collected also are transferred to Data acquisition and storage system 151 by pore water pressure during for gathering sounding device 10 injection sediment and the data of resistance.Described resistance is static point resistance.
Wherein, described sounding device 10 is free descending manner sounding device.Dependence equipment own wt is after the free-falling of sea bed certain altitude, and one has been installed the taper shape probe of some sensors with in the certain speed injection soil body, in this process, equipment constantly reduces, until be 0 by sediment resistance penetrating speed.By gather acceleration and stress data reflect soil mass property variation characteristic.
The lower end of probe 11 is cone point 111, and this cone point 111 is preferably 60 degree; Pore water pressure sensor 112 is differential pressure pickup preferably, its maximum range is 100kpa, resolution 0.5%, concrete, the principle of work of differential pressure pickup: tested pore water pressure directly acts on the diaphragm of differential pressure pickup, makes diaphragm produce the micrometric displacement be directly proportional to hydraulic pressure, the capacitance of differential pressure pickup is changed, and change the canonical measure electric signal of an output corresponding pressure, by this canonical measure electric signal transmission to Data acquisition and storage system 151; The range of resistive force sensor 113 is preferably 5kN, and resolution is 0.5%, static point resistance during sounding device 10 injection sediment can be changed into electric signal transmission to Data acquisition and storage system 151.
Preferably, feeler lever 12 is hollow structure, and length is 1-7 rice.
Wherein, counterweight 13 comprises at least one disk, specifically judges the number of placing disk according to the intensity of deep seafloor shallow sediment.Counterweight 13 is connected by screw and nut with feeler lever 12, is convenient to dismounting.
Preferably, as shown in Figure 3, described disc centre has the circular hole run through up and down, passes for described watertight cable, the edge of disk is provided with the screw hole run through up and down, described screw hole inserts screw, and for adjacent discs being fixed, the diameter of preferred described disk is 30cm, thickness is 5cm, weight is 12kg, and the edge of disk evenly arranges 8 screw holes, and described screw hole inserts screw makes adjacent discs more firm.
Preferably, kuppe 14 adopts 3 blade shapes, in 120 degree of angles between blade.For keeping the stability in sounding device 10 decline process, can move straight down.
Preferably, pressurized capsule 15 internal diameter 16cm, high 40cm, maximum withstand voltage be 15MPa, concrete, Data acquisition and storage system 151 and acceleration transducer 152 is provided with in pressurized capsule 15, Data acquisition and storage system 151 is from capacitive systems, can receive intelligently and store the data of the generation of pore water pressure sensor 112, resistive force sensor 113 and acceleration transducer 152, wherein, acceleration transducer 152 comprises the second acceleration transducer 154 that the first acceleration transducer 153 that range is 4g and range are 8g, when 4g is less than or equal to for sounding device 10 injection sedimental acceleration, first acceleration transducer and the second acceleration transducer can use, but range is that the precision comparison of first acceleration transducer 153 of 4g is little, more accurate, now should adopt the data that the first acceleration transducer 153 produces, when the sedimental acceleration of sounding device 10 injection is greater than to 4g and is less than 8g, now the first acceleration transducer 153 of 4g range can not meet the requirement of acceleration measurement, should selected range be second acceleration transducer 154 of 8g.
Further, the battery 155 for powering to sounding device 10 is also provided with in pressurized capsule 15;
Further, pressurized capsule 15 top is equipped with for charging to battery 155 and starting the first plug 156 of Data acquisition and storage system 151, for being equipped with the 3rd plug 158 be electrically connected with Data acquisition and storage system 151 by watertight cable bottom the second plug 157 of Data acquisition and storage system 151 and network service and pressurized capsule 15, wherein, the 3rd plug 158 preferably 6 core weather proof receptacles.
Wherein, above kuppe 14, the first suspension ring 141 are provided with and the second suspension ring 142, first suspension ring 141 are connected with releasing arrangement 20 with the second suspension ring 142.
Preferably, releasing arrangement 20 comprises: release 21, the first hawser set collar 211 for fixing the first hawser is provided with above release 21, first hawser is used for sounding device 10 to be placed on seabed, the below of release 21 is provided with for the hook ring 213 of fixed hook 212 and the second hawser set collar 214 for fixing the second hawser, and hook 212 is connected with the first suspension ring 141, for discharging sounding device 10, second hawser is connected with the second suspension ring 142, for reclaiming sounding device 10; The length of the second hawser is 20m, and before equipment release, the second hawser is tied together by bungee, and when sounding device 10 discharges, only need little power, namely this hawser is in and freely opens and the state that do not stress.
Release lever 22, the first end 221 of release lever is connected with release 21, and the first end 222 of release lever and release counterweight 23 restricts is connected, for fixing and release shackle 212 by being touched the end.
With reference to Fig. 1, Fig. 2 and Fig. 3, the step of the concrete test of this deep seafloor shallow sediment in-situ testing device is as follows:
Step 1, before deep seafloor shallow sediment in-situ testing device enters water, charge to battery 155 to first plug 156 external charger at pressurized capsule 15 top, end to be charged, pulls up charger.When exploration vessel arrives predetermined prospecting place, according to the number estimating test point sediment strength and install counterweight 13.Then be connected with the first plug 156 by power initiation device, turn-on data collection and storage system 151, pull up starter plug, installs the first plug seal.With netting twine, the second plug 157 is connected with computer, make Data acquisition and storage system 151 and dataphone, address preserved by setting data parameter and file, these data comprise acceleration transducer 152, pore water pressure sensor 112 and bore the data that sharp 111 resistive force sensor 113 collect, then pull up the netting twine on the second plug 157, the second plug seal is installed.
Be fixed on the hook 212 of release 21 by the first suspension ring 141 of sounding device 10, releasing arrangement 20 and sounding device 10 just link together so above deck.Two of long second hawser for 20m is individually fixed on the second hawser set collar 214 of release 21 and the second suspension ring 142 of sounding device 10 simultaneously.
Step 2, when deep seafloor shallow sediment in-situ testing device enter water and free injection sediment time, winch is utilized to hang in marine by this in-situ testing device, under gravity and the first hawser pull effect, sounding device 10 and releasing arrangement 20 decline with the speed of 1m/s, when the release counterweight 23 of releasing arrangement 20 arrives sea bed surface, the hook 212 of release 21 opens automatically, now sounding device 10 presents free decline state, under the effect of kuppe 14, sounding device 10 direct injection is downwards in sediment, until stop by sedimental resistance, pore water pressure when Data acquisition and storage system 151 intactly have recorded sounding device 10 injection sediment in the process, the change of static point resistance and acceleration, after sounding device 10 injection sediment stops, static 5 minutes to carry out pore pressure dissipation test.
Step 3, deep seafloor shallow sediment in-situ testing device to be reclaimed: start winch and releasing arrangement 20 and sounding device 10 are retracted to deck.Pull up the second plug seal, with netting twine, the second plug 157 is connected with computer, makes Data acquisition and storage system 151 and dataphone, read test data, then pull up the netting twine on the second plug 157, the second plug seal is installed.Connect power initiation device to the first plug 156, close Data acquisition and storage system 151.
The invention provides a kind of deep seafloor shallow sediment in-situ testing device, this device comprises: sounding device and the releasing arrangement be connected with described sounding device; The probe that described sounding device is sequentially arranged from bottom to up, feeler lever, counterweight and kuppe; The lower end of described probe is cone point, is provided with pore water pressure sensor and resistive force sensor in described probe; Pressurized capsule is provided with in described kuppe, Data acquisition and storage system and acceleration transducer is provided with in described pressurized capsule, described acceleration transducer is electrically connected with described Data acquisition and storage system, and acceleration during for gathering described sounding device injection sediment is also transferred to Data acquisition and storage system; Described pore water pressure sensor and resistive force sensor are electrically connected with Data acquisition and storage system by watertight cable, and the data collected also are transferred to described Data acquisition and storage system by pore water pressure during for gathering described sounding device injection sediment and the data of resistance.The embodiment of the present invention solves the problem that conventional boring with sampling and shop experiment are all difficult to react really the original position parameter of the sea-bottom shallow soil body, reaches the effect of the original position parameter of the sea-bottom shallow soil body that can obtain different depth fast and accurately.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (10)
1. a deep seafloor shallow sediment in-situ testing device, is characterized in that, comprising:
Sounding device and the releasing arrangement for discharging described sounding device be connected with described sounding device;
The probe that described sounding device is sequentially arranged from bottom to up, feeler lever, counterweight and kuppe; The lower end of described probe is cone point, is provided with pore water pressure sensor and resistive force sensor in described probe; Pressurized capsule is provided with in described kuppe, Data acquisition and storage system and acceleration transducer is provided with in described pressurized capsule, described acceleration transducer is electrically connected with described Data acquisition and storage system, and acceleration during for gathering described sounding device injection sediment is also transferred to Data acquisition and storage system; Described pore water pressure sensor and resistive force sensor are electrically connected with Data acquisition and storage system by watertight cable, and the data collected also are transferred to described Data acquisition and storage system by pore water pressure during for gathering described sounding device injection sediment and the data of resistance.
2. in-situ testing device according to claim 1, is characterized in that, described kuppe adopts 3 blade shapes, in 120 degree of angles between blade.
3. in-situ testing device according to claim 1, is characterized in that, is also provided with the battery for powering to described sounding device in described pressurized capsule.
4. in-situ testing device according to claim 3, it is characterized in that, described pressurized capsule top be equipped with for the charging of described battery and start described Data acquisition and storage system the first plug, for being equipped with the 3rd plug be electrically connected with Data acquisition and storage system by described watertight cable bottom the second plug of Data acquisition and storage system and network service and described pressurized capsule.
5. in-situ testing device according to claim 4, is characterized in that, described 3rd plug is 6 core weather proof receptacles.
6. in-situ testing device according to claim 1, is characterized in that, described counterweight comprises at least one disk.
7. in-situ testing device according to claim 6, is characterized in that, described disc centre has the circular hole run through up and down, pass for described watertight cable, the edge of disk is provided with the screw hole run through up and down, and described screw hole inserts screw, for adjacent discs being fixed.
8. in-situ testing device according to claim 1, is characterized in that, described acceleration sensor comprises the second acceleration transducer that the first acceleration transducer that range is 4g and range are 8g.
9. in-situ testing device according to claim 1, is characterized in that, the top of described kuppe is provided with the first suspension ring and the second suspension ring, and described first suspension ring are connected with described releasing arrangement with the second suspension ring.
10. in-situ testing device according to claim 1, is characterized in that, described releasing arrangement comprises:
Release, the first hawser set collar for fixing the first hawser is provided with above described release, described first hawser is used for described in-situ testing device to be placed on seabed, the below of release is provided with for the hook ring of fixed hook and the second hawser set collar for fixing the second hawser, described hook is connected with described first suspension ring, for discharging described sounding device, described second hawser is connected with described second suspension ring, for reclaiming described sounding device;
Release lever, the first end of described release lever is connected with described release, and the second end of described release lever and described release counterweight restricts be connected, for fixing and release shackle by being touched the end.
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Cited By (11)
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| CN106769186A (en) * | 2016-12-26 | 2017-05-31 | 中国海洋大学 | A kind of diaphragm control float-type vibrocoring, system and floating drum assembly |
| CN106802132A (en) * | 2017-01-18 | 2017-06-06 | 青岛海洋地质研究所 | A kind of penetration type Multifunction fishing bottom sediment in-situ observation feeler lever |
| CN107505001A (en) * | 2017-08-29 | 2017-12-22 | 广州海洋地质调查局 | A kind of bottom sediment temperature and pressure in site measurement instrument and its data capture method |
| CN107607680A (en) * | 2017-09-19 | 2018-01-19 | 广州海洋地质调查局 | The test device of methane content in a kind of marine sediment |
| CN108362611A (en) * | 2018-04-02 | 2018-08-03 | 中国海洋大学 | Rheological behavior in-situ measurement device after a kind of liquefaction of bottom sediment |
| CN108387713A (en) * | 2018-02-27 | 2018-08-10 | 国家海洋局北海海洋工程勘察研究院 | A kind of bottom sediment test device, injection system and injection method |
| CN108592993A (en) * | 2018-03-30 | 2018-09-28 | 中国海洋大学 | Deep seafloor boundary layer dynamic observation device and method |
| WO2019127110A1 (en) * | 2017-12-27 | 2019-07-04 | 大连理工大学 | Free falling type ball-shaped penetrometer with propeller |
| CN110207674A (en) * | 2019-05-10 | 2019-09-06 | 中国船舶重工集团公司第七一五研究所 | A kind of bottom soil property detection and temperature measurement system based on fiber grating sensing technology |
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| CN118477745A (en) * | 2024-07-15 | 2024-08-13 | 中国矿业大学 | Intelligent detection device for loosening degree of jig bed |
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| CN106769186B (en) * | 2016-12-26 | 2023-05-26 | 中国海洋大学 | Diaphragm control buoy type vibration sampling method and system and buoy assembly |
| CN106769186A (en) * | 2016-12-26 | 2017-05-31 | 中国海洋大学 | A kind of diaphragm control float-type vibrocoring, system and floating drum assembly |
| CN106802132A (en) * | 2017-01-18 | 2017-06-06 | 青岛海洋地质研究所 | A kind of penetration type Multifunction fishing bottom sediment in-situ observation feeler lever |
| CN107505001A (en) * | 2017-08-29 | 2017-12-22 | 广州海洋地质调查局 | A kind of bottom sediment temperature and pressure in site measurement instrument and its data capture method |
| CN107607680A (en) * | 2017-09-19 | 2018-01-19 | 广州海洋地质调查局 | The test device of methane content in a kind of marine sediment |
| US10962460B2 (en) | 2017-12-27 | 2021-03-30 | Dalian University Of Technology | Free fall ball penetrometer with a booster |
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| CN108387713A (en) * | 2018-02-27 | 2018-08-10 | 国家海洋局北海海洋工程勘察研究院 | A kind of bottom sediment test device, injection system and injection method |
| CN108387713B (en) * | 2018-02-27 | 2021-09-10 | 国家海洋局北海海洋工程勘察研究院 | Submarine sediment testing device, penetration system and penetration method |
| CN108592993A (en) * | 2018-03-30 | 2018-09-28 | 中国海洋大学 | Deep seafloor boundary layer dynamic observation device and method |
| CN108592993B (en) * | 2018-03-30 | 2019-07-26 | 中国海洋大学 | Deep seafloor boundary layer dynamic observation device and method |
| CN108362611A (en) * | 2018-04-02 | 2018-08-03 | 中国海洋大学 | Rheological behavior in-situ measurement device after a kind of liquefaction of bottom sediment |
| CN110207674A (en) * | 2019-05-10 | 2019-09-06 | 中国船舶重工集团公司第七一五研究所 | A kind of bottom soil property detection and temperature measurement system based on fiber grating sensing technology |
| CN112068141A (en) * | 2020-09-11 | 2020-12-11 | 中国海洋大学 | Deep sea polymetallic nodule exploitation deposit environment monitoring device |
| CN118477745A (en) * | 2024-07-15 | 2024-08-13 | 中国矿业大学 | Intelligent detection device for loosening degree of jig bed |
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