CN201302527Y - Sea water isopressing-driven sub-surface seafloor sediment fidelity sampler - Google Patents
Sea water isopressing-driven sub-surface seafloor sediment fidelity sampler Download PDFInfo
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- CN201302527Y CN201302527Y CNU2008201738785U CN200820173878U CN201302527Y CN 201302527 Y CN201302527 Y CN 201302527Y CN U2008201738785 U CNU2008201738785 U CN U2008201738785U CN 200820173878 U CN200820173878 U CN 200820173878U CN 201302527 Y CN201302527 Y CN 201302527Y
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Abstract
The utility model relates to a device for testing or analyzing materials by means of the chemical or physical properties of determined materials, in particular to a seafloor sediment extraction tool using deep-sea pressure as a driving force, which overcomes the defects that the sub-surface seafloor sediment fidelity sampler has more complicated power and high energy consumption to provide a sub-surface seafloor sediment fidelity sampler using the pressure of sea water as a driving force. The sub-surface seafloor sediment fidelity sampler comprises a releasing device and a sampling device, wherein the sampling device comprises a connecting pipe and an extraction pipe, and the connecting pipe is connected with the extraction pipe through a flange; the upper part of the extraction pipe is connected with the releasing device though a tail extraction block, and the lower port of the connecting pipe is provided with a cutter head; an airtight sampling device which is arranged in the middle of the connecting pipe comprises an airtight cabin; the connecting pipe is divided into an upper connecting pipe and a lower connecting pipe which are respectively communicated with the airtight cabin, and sampling pipes corresponding to the upper connecting pipe and the lower connecting pipe are arranged in the airtight cabin; one side of the airtight cabin is provided with a driving device for translation of the sampling pipes, i.e. a translation hydraulic cylinder, and the other side thereof is provided with a driving device of the seal of the sampling pipes, i.e. an airtight hydraulic cylinder, wherein, a sea water isopressing device which is arranged on the extraction pipe is respectively communicated with the translation hydraulic cylinder and the airtight hydraulic cylinder through high-speed switch valves, and the translation hydraulic cylinder and the airtight hydraulic cylinder are respectively communicated with a pressure-proof device through one-way valves.
Description
Technical field
The utility model relates to a kind of by means of the chemistry of measuring material or physical property is tested or the device of analysis of material, specifically a kind of marine bottom sediment extracting tool that utilizes deep sea pressure as driving force.
Background technology
Existing marine sediment sampler is divided into two kinds of fidelity sampler and infidelity sampling thiefs.The infidelity sampling thief is typically gravity pipe sampling thief the most, and this sampling thief can not be realized pressure tight sampling, and the ionic oxide formation attitude of scattering and disappearing, appraise at the current rate of inevitable gas phase solution component changes and the organic component decomposition in the sampling process; Publication number is CN2814314, the utility model patent that name is called " subsurface submarine deposit fidelity sampler " discloses a kind of fidelity sampler that can gather inferior top layer marine bottom sediment in position, overcome present fidelity sampler and can only use, can't realize the defective of subsurface sediment fidelity sampling about the surface deposit pressure tight sampling.Power-equipment in the technical program is the energy storage tank that is fixed on the device, generally be loaded with hydraulic oil in the energy storage tank, energy storage tank is connected with hydraulic unit in the sampling thief, make hydraulic oil drive the hydraulic cylinder action by the oil circuit switch, the defective that adopts energy storage tank to exist is: in use need to observe at any time the pressure condition of hydraulic oil, the pressure in energy storage tank hour must in time replenish hydraulic oil in energy storage tank, power consumption is big, and has increased the sampling work amount.
Summary of the invention
The purpose of this utility model has overcome inferior top layer marine bottom sediment fidelity sampler medium power provides complicated, big defective consumes energy, a kind of inferior top layer marine bottom sediment fidelity sampler that utilizes the pressure of seawater as driving force has been proposed, therefore this device need not to adopt additional store energy equipment, it is little to consume energy, and has reached purpose of energy saving.
The utility model is to adopt following technical scheme to realize: static pressure such as a kind of seawater time top layer marine bottom sediment guarantees sampling thief, comprise releasing means and sampling apparatus, wherein sampling apparatus comprises connecting pipe and carries pipe, connecting pipe and carry pipe and connect by flange, carrying pipe top carries piece by afterbody and connects with releasing means, the lower port of connecting pipe is provided with cutter head, the middle part of connecting pipe is provided with the sealing sampler, the sealing sampler comprises pressurized capsule, connecting pipe is divided into, following connecting pipe, and on, following connecting pipe connects with pressurized capsule respectively, in pressurized capsule, be provided with on, the sample hose of following connecting pipe correspondence, the drive unit that one side of pressurized capsule is provided with the translation sample hose is the translation hydraulic cylinder, the drive unit that opposite side is provided with the sealed sample pipe is the sealing liquid cylinder pressure, wherein, described carrying is provided with the seawater isopressing device on the pipe, this device is communicated with translation hydraulic cylinder and sealing liquid cylinder pressure respectively by high-speed switch valve, and described translation hydraulic cylinder and sealing liquid cylinder pressure are communicated with pressure-resistant apparatus by the high speed retaining valve respectively.
Described seawater isopressing device is a seawater pressure flowrate control valve piece, seawater constantly enters in this valve piece during use, or oil sac, the number of seawater pressure flowrate control valve piece or oil sac can be one or more, for structure and the minimizing weight of simplifying sampling thief, 1-2 seawater pressure flowrate control valve piece or oil sac are installed on sampling thief generally.The top or the below of translation hydraulic cylinder are provided with high-speed switch valve, one end of high-speed switch valve is communicated with the right side cavity of hydraulic cylinder, the other end is communicated with isopressing device, the below or the top of corresponding hydraulic cylinder are provided with the high speed retaining valve, the input end of high speed retaining valve is communicated with the left side cavity of hydraulic cylinder, and output terminal is communicated with pressure-resistant apparatus; One end of high-speed switch valve is communicated with the left side cavity of hydraulic cylinder, and this moment, the input end of high speed retaining valve was communicated with the right side cavity of hydraulic cylinder.The position of high-speed switch valve and high speed retaining valve is not limited to above-mentioned described situation, can be according to concrete working condition setting.
The left side or the right of sealing liquid cylinder pressure are provided with high-speed switch valve, one end of high-speed switch valve is communicated with the upside cavity of hydraulic cylinder, the other end is communicated with isopressing device, the right or the left side of corresponding hydraulic cylinder are provided with the high speed retaining valve, the input end of high speed retaining valve is communicated with the downside cavity of hydraulic cylinder, and output terminal is communicated with pressure-resistant apparatus; One end of high-speed switch valve is communicated with the downside cavity of hydraulic cylinder, and this moment, the input end of high speed retaining valve was communicated with the upside cavity of hydraulic cylinder.The position of high-speed switch valve and high speed retaining valve is not limited to above-mentioned described situation, can be according to concrete working condition setting.
The volume of pressure vessel is determined according to concrete need of work, is in atmospheric pressure state in the pressure vessel before sampling thief discharges.
The beneficial effects of the utility model are: this sampling thief utilizes the pressure reduction between deep-marine-environment and the pressure vessel; and by control to high-speed switch valve and high speed retaining valve; for the hydraulic cylinder moving linearly provides driving force; the translation and the seal process of sample hose are all finished in position; both realized the original position pressure tight sampling; need not the store energy equipment as energy storage tank etc. again, it is little to consume energy, and has reached purpose of energy saving.
Description of drawings
Accompanying drawing 1 is an one-piece construction synoptic diagram of the present utility model in the present embodiment 1;
Accompanying drawing 2 is for being arranged on first kind of structural representation of the drive unit on the translation hydraulic cylinder;
Accompanying drawing 3 is for being arranged on second kind of structural representation of the drive unit on the translation hydraulic cylinder;
Accompanying drawing 4 is for being arranged on first kind of structural representation of the drive unit on the sealing liquid cylinder pressure;
Accompanying drawing 5 is for being arranged on second kind of structural representation of the drive unit on the sealing liquid cylinder pressure.
Embodiment
One-piece construction of the present utility model as shown in Figure 1, it comprises pressurized capsule 3, being provided with in the pressurized capsule 3 can be along the sample hose 7 and the auxiliary tube 5 of slideway translation, sample hose and auxiliary tube link together with the rubber-like steel bar, wherein, sample hose is for partly connecting, steel bar links to each other with the piston rod end of translation hydraulic cylinder 4, sealing liquid cylinder pressure 8 is installed on the plate of cabin up and down of pressurized capsule, after the pipe of adopting sample is pushed into sealing station by hydraulic cylinder 4, rubber plug and spring clamp are depressed in 8 actions of upper-lower seal hydraulic cylinder, form sealing; The pressurized capsule lower end links to each other with following connecting pipe 2, and cutter head is equipped with in following connecting pipe lower end; Pressurized capsule top links to each other with last connecting pipe 9, last connecting pipe by flange 10 with carry pipe and 12 link to each other, and plumbous balancing weight 11 is fixed on the flange 10.The track of realizing sample hose and auxiliary tube translation is set on pressurized capsule 3 inwalls, and at the outer setting protective cover of pressurized capsule, protective cover is set to arrowhead form.
Carry on the pipe 12 and be fixed with drive unit, this device comprises pressure vessel 121 as shown in Figure 2, high speed retaining valve 122, high-speed switch valve 124, with isopressing device be seawater pressure flowrate control valve piece 123, this valve piece is communicated with seawater, the hydraulic cylinder among this figure is a translation hydraulic cylinder 4.Wherein seawater pressure flowrate control valve piece 123 is fixed on by steel band and carries on the pipe 12, and it is communicated with the right side cavity of hydraulic cylinder 4 by high-speed switch valve 124; The left side cavity of hydraulic cylinder 4 is communicated with the pressure vessel 121 that is arranged on hydraulic cylinder 4 bottoms by high speed retaining valve 122.High-speed switch valve 124 is arranged on the top of hydraulic cylinder 4, and the one end is communicated with seawater pressure flowrate control valve piece 123, and the other end is communicated with the right side cavity of hydraulic cylinder 4.High speed retaining valve 122 is arranged on the bottom of hydraulic cylinder 4, and its input end is communicated with the left side cavity of hydraulic cylinder 4, and output terminal is communicated with pressure vessel 121.The volume of pressure vessel 121 can design according to concrete job requirement, and the pressure of pressure vessel 121 inside was normal pressure when sampling thief discharged.The drive unit that is connected with sealing liquid cylinder pressure 8 as shown in Figure 4, wherein seawater pressure flowrate control valve piece 123 is located at the right side of hydraulic cylinder 8, is communicated with the upside cavity of hydraulic cylinder 8 by high-speed switch valve 124 '; Pressure-resistant apparatus 121 is located at the left side of hydraulic cylinder 8, is communicated with the downside cavity of hydraulic cylinder 8 by high speed retaining valve 122 '.
During actual the use, utilize delivery vehicle such as ship that this sampling thief is transported to earlier and specify the marine site, then, utilize boom hoisting that it is rendered in the sea, before the release, sampling thief hangs on the releasing means, slowly transfer with releasing means, sampling thief comes off from releasing means 17 during release, because cutter head is a point, protective cover is an arrow-shaped, and equipment inserts the marine bottom sediment layer fast, so sediment enters down in connecting pipe 2, sample hose 7 and the last connecting pipe 9 from cutter head 1, utilize then and draw wire rope 16 on the boat-carrying winch; On be pulled through in the journey, high-speed switch valve 124 and high speed retaining valve 122 among Fig. 2 are opened, after high pressure sea water enters in the seawater pressure flowrate control valve piece 123, flow into the right side of translation hydraulic cylinder 4 through high-speed switch valve 124, because the left side cavity of hydraulic cylinder 4 is air and is communicated with pressure-resistant apparatus 121, promptly be in atmospheric pressure state, so the piston rod in the hydraulic cylinder 4 moves left under the impetus of high pressure sea water, sample hose 7 is pushed into sealing station, and this moment, auxiliary tube occupied the sample hose origin-location; Draw in the continuation, high-voltage switch gear valve 124 ' and high pressure retaining valve 122 ' among Fig. 4 are opened, the piston rod of sealing liquid cylinder pressure 8 is action downwards under the promotion of high pressure sea water, rubber plug is depressed realized sealing fidelity, closing high-speed switch valve 124 ' and high speed retaining valve 122 ' subsequently; Draw in the continuation, main rope is pulled out sampling thief integral body, is pulled through in the journey on continuing, because the existence of auxiliary tube 5, seawater will wash away all the other sediments in the pipe, realizes the self-cleaning of sampling thief; At last, whole sampling thief is hung on the ship, high-speed switch valve 124 ' and high speed retaining valve 122 ' are opened, piston rod restores, and opens the side hatch door and takes out sample hose, and empty sample hose is pushed, close hatch door, high-speed switch valve 124 and high speed retaining valve 122 are in open mode all the time, and the translation hydraulic cylinder is restored, and can sample next time.
In the utility model, the position of seawater pressure flowrate control valve piece, high-speed switch valve, high speed retaining valve and pressure vessel is not subjected to restriction of the present utility model, and its position is with relevant according to the installation site of concrete working condition and hydraulic cylinder with the connected mode of hydraulic cylinder.As shown in Figure 3, high-speed switch valve 124 is communicated with the left side cavity of translation hydraulic cylinder 4, and the input end of high speed retaining valve 122 is communicated with the right side cavity of translation hydraulic cylinder 4.As shown in Figure 5, high-speed switch valve 124 ' is communicated with the downside cavity of sealing liquid cylinder pressure 8, and the input end of high speed retaining valve 122 ' is communicated with the upside cavity of hydraulic cylinder 8.High-speed switch valve, high speed retaining valve are not limited to as shown in the figure several modes with respect to the position of hydraulic cylinder, as long as can reach the technique effect identical with the utility model, all in protection domain of the present utility model.
The parts of above-mentioned sampling thief all adopt resistant material to make.High speed retaining valve 122 and 122 ', high-speed switch valve 124 and 124 ' the electric signal that sends by computing machine of opening and close are controlled.
In the present embodiment, be to be fixed on the oil sac of carrying on the pipe in the isopressing device, the number of oil sac is 1-2, along with sea water advanced continuous increase, the pressure that seawater imposes on oil in the oil sac is big more, makes the oil in the oil sac become hydraulic oil, opens high-voltage switch gear valve and high pressure retaining valve, hydraulic oil promotes the piston rod action in translation hydraulic cylinder and the sealing liquid cylinder pressure, thereby realizes the original position translation and the sealing of sample hose.
Other are with embodiment 1.
Claims (7)
1, static pressure such as a kind of seawater drive time top layer marine bottom sediment fidelity sampler, comprise releasing means and sampling apparatus, wherein sampling apparatus comprises connecting pipe and carries pipe, connecting pipe and carry pipe and connect by flange, carrying pipe top carries piece by afterbody and connects with releasing means, the lower port of connecting pipe is provided with cutter head, the middle part of connecting pipe is provided with the sealing sampler, the sealing sampler comprises pressurized capsule, connecting pipe is divided into, following connecting pipe, and on, following connecting pipe connects with pressurized capsule respectively, in pressurized capsule, be provided with on, the sample hose of following connecting pipe correspondence, the drive unit that one side of pressurized capsule is provided with the translation sample hose is the translation hydraulic cylinder, the drive unit that opposite side is provided with the sealed sample pipe is the sealing liquid cylinder pressure, it is characterized in that: described carrying is provided with the seawater isopressing device on the pipe, and this device is communicated with translation hydraulic cylinder and sealing liquid cylinder pressure respectively by high-speed switch valve, and described translation hydraulic cylinder and sealing liquid cylinder pressure are communicated with pressure-resistant apparatus by the high speed retaining valve respectively.
2, static pressure such as seawater according to claim 1 drives subsurface marine bottom sediment fidelity sampler, and it is characterized in that: described seawater isopressing device is a seawater pressure flowrate control valve piece.
3, static pressure such as seawater according to claim 1 drives subsurface marine bottom sediment fidelity sampler, and it is characterized in that: described seawater isopressing device is an oil sac, and the number of oil sac is 1-2.
4, drive subsurface marine bottom sediment fidelity sampler according to static pressure such as each described seawater of claim 1 to 3, it is characterized in that: a side of translation hydraulic cylinder is provided with high-speed switch valve, one end of high-speed switch valve is communicated with the right side cavity of hydraulic cylinder, and the other end is communicated with isopressing device; The opposite side of corresponding hydraulic cylinder is provided with the high speed retaining valve, and the input end of high speed retaining valve is communicated with the left side cavity of hydraulic cylinder, and output terminal is communicated with pressure-resistant apparatus.
5, drive subsurface marine bottom sediment fidelity sampler according to static pressure such as each described seawater of claim 1 to 3, it is characterized in that: a side of translation hydraulic cylinder is provided with high-speed switch valve, one end of high-speed switch valve is communicated with the left side cavity of hydraulic cylinder, and the other end is communicated with isopressing device; The opposite side of corresponding hydraulic cylinder is provided with the high speed retaining valve, and the input end of high speed retaining valve is communicated with the right side cavity of hydraulic cylinder, and output terminal is communicated with pressure-resistant apparatus.
6, drive subsurface marine bottom sediment fidelity sampler according to static pressure such as each described seawater of claim 1 to 3, it is characterized in that: a side of sealing liquid cylinder pressure is provided with high-speed switch valve, one end of high-speed switch valve is communicated with the upside cavity of hydraulic cylinder, and the other end is communicated with isopressing device; The opposite side of corresponding hydraulic cylinder is provided with the high speed retaining valve, and the input end of high speed retaining valve is communicated with the downside cavity of hydraulic cylinder, and output terminal is communicated with pressure-resistant apparatus.
7, drive subsurface marine bottom sediment fidelity sampler according to static pressure such as each described seawater of claim 1 to 3, it is characterized in that: a side of sealing liquid cylinder pressure is provided with high-speed switch valve, one end of high-speed switch valve is communicated with the downside cavity of hydraulic cylinder, and the other end is communicated with isopressing device; The opposite side of corresponding hydraulic cylinder is provided with the high speed retaining valve, and the input end of high speed retaining valve is communicated with the upside cavity of hydraulic cylinder, and output terminal is communicated with pressure-resistant apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201738785U CN201302527Y (en) | 2008-10-23 | 2008-10-23 | Sea water isopressing-driven sub-surface seafloor sediment fidelity sampler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201738785U CN201302527Y (en) | 2008-10-23 | 2008-10-23 | Sea water isopressing-driven sub-surface seafloor sediment fidelity sampler |
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| CN201302527Y true CN201302527Y (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201738785U Expired - Fee Related CN201302527Y (en) | 2008-10-23 | 2008-10-23 | Sea water isopressing-driven sub-surface seafloor sediment fidelity sampler |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424809A (en) * | 2015-10-27 | 2016-03-23 | 湘潭大学 | Automatic in-situ measurement device and method for longitudinal wave and acoustic wave parameters of bottom sediment |
| CN107966321A (en) * | 2017-12-22 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ fluid high throughput sampler and its sampling method based on ROV |
| CN107966333A (en) * | 2017-12-14 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ gas gastight sampling system |
| CN111551390A (en) * | 2020-03-26 | 2020-08-18 | 广东工业大学 | High-pressure seabed simulation system with in-situ sampling device and control method thereof |
-
2008
- 2008-10-23 CN CNU2008201738785U patent/CN201302527Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424809A (en) * | 2015-10-27 | 2016-03-23 | 湘潭大学 | Automatic in-situ measurement device and method for longitudinal wave and acoustic wave parameters of bottom sediment |
| CN107966333A (en) * | 2017-12-14 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ gas gastight sampling system |
| CN107966333B (en) * | 2017-12-14 | 2023-07-07 | 中国科学院海洋研究所 | Deep sea in-situ gas pressure maintaining sampling system |
| CN107966321A (en) * | 2017-12-22 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ fluid high throughput sampler and its sampling method based on ROV |
| CN107966321B (en) * | 2017-12-22 | 2024-01-26 | 中国科学院海洋研究所 | ROV-based deep sea primary bit stream high-flux sampler and sampling method thereof |
| CN111551390A (en) * | 2020-03-26 | 2020-08-18 | 广东工业大学 | High-pressure seabed simulation system with in-situ sampling device and control method thereof |
| CN111551390B (en) * | 2020-03-26 | 2023-03-03 | 广东工业大学 | High-pressure seabed simulation system with in-situ sampling device and control method thereof |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20111023 |