CN104792574A - Linear resonant under-ice seafloor sediment sampler - Google Patents
Linear resonant under-ice seafloor sediment sampler Download PDFInfo
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- CN104792574A CN104792574A CN201510212156.0A CN201510212156A CN104792574A CN 104792574 A CN104792574 A CN 104792574A CN 201510212156 A CN201510212156 A CN 201510212156A CN 104792574 A CN104792574 A CN 104792574A
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Abstract
The invention discloses a linear resonant under-ice seafloor sediment sampler which is composed of a resonant vibrating mechanism and a sampling and storing mechanism, wherein the resonant vibrating mechanism comprises a cable connecting mechanism, a high-pressure sealed cabin and a resonant vibrator; an armor connector of the cable connecting mechanism is connected to the armor of an armored cable; an inner cable core extends to a sealed inside by virtue of a high pressure waterproofing joint; the armor connector is in hinged connection to a terminal connecting plate by virtue of a pin with a hole, and the terminal connecting plate is connected to the upper end cover of the sealed cabin; the upper end cover of the high-pressure sealed cabin and a lower end cover of the high-pressure sealed cabin are connected to the upper and lower ends of the outer drum of the sealed cabin; and the resonant vibrator is arranged in the high-pressure sealed cabin. The integral radial size of the seafloor sediment sampler is greatly reduced to adapt to various sampling environments in which a pilot hole needs to be passed through; the seafloor sediment sampler is strong in adaptability to environments, capable of achieving low interference and low compression of an acquired sediment sample, and is applicable to the occasions which have relatively high requirement on sampling depth and in which a pilot hole needs to be passed through.
Description
Technical field
The present invention is designed for subglacial submarine surface and creeps into obtain the equipment of sediment sample, especially relates to the resonant subglacial marine sediment sampler of a kind of straight line.
Background technology
Subglacial marine bottom sediment contains a large amount of key geological information, and as important informations such as ice shelf drift reference, subglacial microbial life forms, especially the raw information that water hortungskoriper also comprises the preciousness such as paleoclimate, ancient microorganism is closed in subglacial lake.The exploration of current subglacial environments such as subsea is still in the starting stage, scientific research institution only few in number obtains subglacial sediment sample by special equipment, the 3m minor diameter paddle type mill deposit sampler used in the South Pole as South Pole investigation bureau of Britain and 1m gravity corer etc.Subglacial sediment samples the reason being difficult to carry out and is mainly present in the following aspects: on (1) ice sheet, pilot hole size is less, and routine sampling device is difficult to pass through; (2) pilot hole freezes speed soon again, and the working time is limited; (3) operating distance is comparatively far away, is difficult to realize accurate control; (4) sample need be avoided by the appearance of disturbance on a large scale and compacting phenomenon as far as possible.
Summary of the invention
The object of the invention is the above-mentioned technical matters existed to solve existing subglacial deposit sampler, and provide a kind of straight line resonant subglacial marine sediment sampler, the present invention can realize the characteristics such as radial dimension is little, sampling efficiency is high, the radial compactness of sample is low, easy and simple to handle, by the Seafloor sediment sampling situation of size-constrained pilot hole, the Seafloor sediment sampling operating mode under ice sheet need be particularly useful for reply.
The present invention is made up of synchronous vibration mechanism and sampling storing mechanism, and described synchronous vibration mechanism includes cable connection mechanism, Airtight cabin and resonant vibrator;
Described cable connection mechanism is made up of sheathed cable, outer armour connector and terminals web joint, outer armour connector connects the outer armour of sheathed cable and isolates inside cable heart yearn, inside cable heart yearn passes into sealed inside via high pressure water joint, outer armour connector forms hinge-coupled by pin with split pin hole and terminals web joint, and terminals web joint is connected with pressurized capsule upper end cover by studs and hexagonal nut;
Described Airtight cabin is made up of pressurized capsule upper end cover, pressurized capsule urceolus and pressurized capsule bottom end cover, and pressurized capsule upper end cover and pressurized capsule bottom end cover are connected to the upper and lower side of pressurized capsule urceolus by hex bolts, are separately installed with gasket seal therebetween;
Described resonant vibrator is made up of Vib. upper plate, multidiameter, sleeve, vibrating motor, Vib. intermediate plate and Vib. lower plate, Vib. upper plate, Vib. intermediate plate become three-decker by multidiameter with sleeve connection with Vib. lower plate, and it is fastening to install round nut by multidiameter two ends; Resonant vibrator is placed in Airtight cabin, and realizes fastening at Airtight cabin of resonant vibrator by disc spring group;
Described sampling storing mechanism is made up of pipe, pawl spring and cutting head in unidirectional mud valve, sampler barrel outer tube, sampler barrel, sampler barrel outer tube upper end is threaded connection on pressurized capsule bottom end cover, in unidirectional mud valve and sampler barrel, pipe is arranged in sampler barrel outer tube successively, cutting head is connected with sampler barrel outer tube by screw thread, pawl spring is fixed in cutting head by the ladder on it, and pawl spring is arranged in sampler barrel outer tube.
The invention has the beneficial effects as follows:
1, two vibrating motor vertical symmetry are placed, the overall radial dimension of equipment is reduced greatly, overcomes the shortcoming that conventional vibration sampler radial dimension is large, the sampling environment of various needs by pilot hole can be adapted to;
2, adopt resonance motor synchronizing theoretical, strong to environmental suitability, and the low disturbance of institute's sediment sample of getting, low compacting can be realized; Electric elements are sealed in Airtight cabin, can according to the thickness of the depth adjustment pressurized capsule upper and lower plates of seawater and urceolus, reliability is high, by force substituting.Require comparatively large for sampling depth and need to be particularly suitable for by the application scenario of pilot hole.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the perspective view of resonant vibrator of the present invention.
Fig. 3 is using state schematic diagram of the present invention.
In figure: 1. sheathed cable; 2. outer armour connector; 3. cable core; 4. pin with split pin hole; 5. hexagonal nut; 6. terminals web joint; 7. studs; 8. pressurized capsule upper end cover; 9. high pressure water joint; 10. hex bolts; 11. gasket seals; 12. disc spring groups; 13. round nuts; 14. Vib. upper plates; 15. multidiameters; 16. sleeves; 17. vibrating motors; 18. Vib. intermediate plates; 19. pressurized capsule urceolus; 20. Vib. lower plates; 21. pressurized capsule bottom end covers; 22. unidirectional mud valves; 23. sampler barrel outer tubes; Pipe in 24. sampler barrels; 25. pawl springs; 26. cutting head.
Embodiment
As depicted in figs. 1 and 2, the present invention is made up of synchronous vibration mechanism and sampling storing mechanism, and described synchronous vibration mechanism includes cable connection mechanism, Airtight cabin and resonant vibrator;
Described cable connection mechanism is made up of sheathed cable 1, outer armour connector 2 and terminals web joint 6, outer armour connector 2 connects the outer armour of sheathed cable 1 and isolates inside cable heart yearn 3, inside cable heart yearn 3 passes into sealed inside via high pressure water joint 9, outer armour connector 2 forms hinge-coupled by pin with split pin hole 4 and terminals web joint 6, and terminals web joint 6 is connected with pressurized capsule upper end cover 8 by studs 7 and hexagonal nut 5;
Described Airtight cabin is made up of pressurized capsule upper end cover 8, pressurized capsule urceolus 19 and pressurized capsule bottom end cover 21, pressurized capsule upper end cover 8 and pressurized capsule bottom end cover 21 are connected to the upper and lower side of pressurized capsule urceolus 19 by hex bolts 10, are separately installed with gasket seal 11 therebetween;
Described resonant vibrator is made up of Vib. upper plate 14, multidiameter 15, sleeve 16, vibrating motor 17, Vib. intermediate plate 18 and Vib. lower plate 20, Vib. upper plate 14, Vib. intermediate plate 18 and Vib. lower plate 20 connect into three-decker by multidiameter 15 and sleeve 16, and it is fastening to install round nut 13 by multidiameter 15 two ends; Resonant vibrator is placed in Airtight cabin, and realizes fastening at Airtight cabin of resonant vibrator by disc spring group 12;
Described sampling storing mechanism is made up of pipe 24, pawl spring 25 and cutting head 26 in unidirectional mud valve 22, sampler barrel outer tube 23, sampler barrel, sampler barrel outer tube 23 upper end is threaded connection on pressurized capsule bottom end cover 21, in unidirectional mud valve 22 and sampler barrel, pipe 24 is arranged in sampler barrel outer tube 23 successively, cutting head 26 is connected with sampler barrel outer tube 24 by screw thread, pawl spring 25 is fixed in cutting head 26 by the ladder on it, and pawl spring 25 is arranged in sampler barrel outer tube 24.
The gordian technique of the straight line resonance of the present invention:
1. vertical line resonance: as shown in Figure 2, vibrating motor 17 uses in pairs, and therebetween without positive drive, produce vertical exciting force by the motor synchronizing characteristic of vibrating motor 17, Radial Perturbation power is little, can farthest ensure that raw footage samples; Paired perpendicular the putting of vibrating motor 17 is laid, and ensure that radial dimension is little.
2. Airtight cabin sealing: as shown in Figure 1, pressurized capsule upper end cover 8 is connected with cable bindiny mechanism, and by high pressure water joint 9, cable is accessed pressurized capsule inside, realizes the normal power supply of water under high pressure environment; Use easy end cover type pressurized capsule up and down, differently according to different sea water advanced more thickness can change pressurized capsule, modularization is strong.
3. the sampling storing mechanism of semi-open type: as shown in Figure 1, sampler barrel outer tube 23 tapping is provided with single-phase mud valve 22, realize in sampling process, sampling storing mechanism internal and external pressure balance, after sampling terminates, collaborative pawl spring 25 guarantee equipment is carried sample in process and run off few; The double-deck sampler barrel structure of pipe 24 in sampler barrel outer tube 23 and sampler barrel, facilitates taking-up and the post-processed of sample.
4. the cutting head of drag reduction: as shown in Figure 1, the diameter of cutting head 26 is large compared with the diameter of sampler barrel outer tube 23, in sampling process can around sampler barrel outer tube 23 the certain annular gap of formation, reduce drilling depth resistance.
The course of work of the present invention is as follows: as shown in Figure 3,
(1) sampler is via the pilot hole obtained in advance, and transfers in subglacial water body, and in whole process, sheathed cable is not powered, and because sampler diameter is less, therefore there will not be the accidents such as bit freezing through during pilot hole;
(2), after touching thalassogenic sedimentation nitride layer bottom sampler, the pressure of the drill pick-up unit via earth's surface judges the underwater degree of depth of sampler;
(3) carrying sampler being carried a segment distance to vertical rear stopping, starting as sheathed cable 1 is powered, driving vibrating motor 17 paired in Airtight cabin, make sampler enter straight line resonance state;
(4) with certain rate discharge sampler, start the straight line synchronous vibration sampling carrying out sediment sample, because of sampler Whole Equipment direction of vibration mainly vertical direction, therefore the violent disturbance of got sediment sample can not be caused, the horizontal disturbance of trace can reduce drilling depth resistance, and the resonance motor synchronizing of paired vibrating motor 17 can adapt to multiple stratum;
(5) judge sampler no longer after drilling depth via the pressure of the drill pick-up unit on earth's surface, sheathed cable 1 is stopped power supply, winch stops transferring;
(6) winch puies forward sampler on starting, and because being provided with single-phase mud valve 22 and pawl spring 25 in sampling storing mechanism, can effectively preventing from carrying in process sample due to seawater scouring and causing loss;
(7) sampler is pulled down after being put to earth's surface, completes whole sediment sampling process.
Claims (1)
1. the resonant subglacial marine sediment sampler of straight line, is characterized in that: be made up of synchronous vibration mechanism and sampling storing mechanism, described synchronous vibration mechanism includes cable connection mechanism, Airtight cabin and resonant vibrator;
Described cable connection mechanism is by sheathed cable (1), outer armour connector (2) and terminals web joint (6) composition, outer armour connector (2) connects the outer armour of sheathed cable (1) and isolates inside cable heart yearn (3), inside cable heart yearn (3) passes into sealed inside via high pressure water joint (9), outer armour connector (2) forms hinge-coupled by pin with split pin hole (4) and terminals web joint (6), terminals web joint (6) is connected with pressurized capsule upper end cover (8) by studs (7) and hexagonal nut (5),
Described Airtight cabin is made up of pressurized capsule upper end cover (8), pressurized capsule urceolus (19) and pressurized capsule bottom end cover (21), pressurized capsule upper end cover (8) and pressurized capsule bottom end cover (21) are connected to the upper and lower side of pressurized capsule urceolus (19) by hex bolts (10), are separately installed with gasket seal (11) therebetween;
Described resonant vibrator is made up of Vib. upper plate (14), multidiameter (15), sleeve (16), vibrating motor (17), Vib. intermediate plate (18) and Vib. lower plate (20), Vib. upper plate (14), Vib. intermediate plate (18) and Vib. lower plate (20) connect into three-decker by multidiameter (15) and sleeve (16), and it is fastening to install round nut (13) by multidiameter (15) two ends; Resonant vibrator is placed in Airtight cabin, and realizes fastening at Airtight cabin of resonant vibrator by disc spring group (12);
Described sampling storing mechanism is by unidirectional mud valve (22), sampler barrel outer tube (23), pipe (24) in sampler barrel, pawl spring (25) and cutting head (26) composition, sampler barrel outer tube (23) upper end is threaded connection on pressurized capsule bottom end cover (21), unidirectional mud valve (22) and the interior pipe (24) of sampler barrel are arranged in sampler barrel outer tube (23) successively, cutting head (26) is connected with sampler barrel outer tube (24) by screw thread, pawl spring (25) is fixed in cutting head (26) by the ladder on it, pawl spring (25) is arranged in sampler barrel outer tube (24).
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| CN201510212156.0A CN104792574A (en) | 2015-04-29 | 2015-04-29 | Linear resonant under-ice seafloor sediment sampler |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017987A (en) * | 2016-05-18 | 2016-10-12 | 大连理工大学 | Measurement and control system and monitor and control method of vibratory bottom sampler |
| CN108548689A (en) * | 2018-05-29 | 2018-09-18 | 吉林大学 | Delayed startup type multi- drive synchronization oscillatory type subglacial water body deposit sampler |
| CN109030089A (en) * | 2018-08-23 | 2018-12-18 | 湖南科技大学 | Hand-held seabed sand bed pressure-maintaining and heat-preservation sampler and its application method |
| CN109556913A (en) * | 2018-12-03 | 2019-04-02 | 中国海洋大学 | Deep-sea shallow-layer arenaceous sediment object sampler and its sampling method |
| CN110118672A (en) * | 2019-04-04 | 2019-08-13 | 雷攀 | A kind of material sampling device for belt conveyer |
| CN111964961A (en) * | 2020-10-09 | 2020-11-20 | 吉林大学 | Full-automatic under-ice sediment vibration sampler |
| CN112577771A (en) * | 2020-12-03 | 2021-03-30 | 山东省地质矿产勘查开发局第一地质大队 | Marine geological sediment sampling structure |
| CN113495014A (en) * | 2021-06-15 | 2021-10-12 | 中国海洋大学 | A vibrating gravity sampler for geotechnical parameter normal position test |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2896836Y (en) * | 2006-04-30 | 2007-05-09 | 黑龙江八一农垦大学 | Plain bumper of seedling transplanting bowls |
| CN101551303A (en) * | 2009-05-14 | 2009-10-07 | 杭州电子科技大学 | A sediment sampler driven by hydrostatic pressure |
| CN201569582U (en) * | 2009-12-18 | 2010-09-01 | 国家海洋局第一海洋研究所 | Liquid vibrating sampler |
| US20100238025A1 (en) * | 2009-03-19 | 2010-09-23 | Verhulst Galen G | Sea floor sampling device and method |
| CN103364220A (en) * | 2013-07-24 | 2013-10-23 | 吉林大学 | Vibration impact type deep-sea sediment sampler with anti-twist function |
| CN204536043U (en) * | 2015-04-29 | 2015-08-05 | 吉林大学 | The resonant subglacial marine sediment sampler of straight line |
-
2015
- 2015-04-29 CN CN201510212156.0A patent/CN104792574A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2896836Y (en) * | 2006-04-30 | 2007-05-09 | 黑龙江八一农垦大学 | Plain bumper of seedling transplanting bowls |
| US20100238025A1 (en) * | 2009-03-19 | 2010-09-23 | Verhulst Galen G | Sea floor sampling device and method |
| CN101551303A (en) * | 2009-05-14 | 2009-10-07 | 杭州电子科技大学 | A sediment sampler driven by hydrostatic pressure |
| CN201569582U (en) * | 2009-12-18 | 2010-09-01 | 国家海洋局第一海洋研究所 | Liquid vibrating sampler |
| CN103364220A (en) * | 2013-07-24 | 2013-10-23 | 吉林大学 | Vibration impact type deep-sea sediment sampler with anti-twist function |
| CN204536043U (en) * | 2015-04-29 | 2015-08-05 | 吉林大学 | The resonant subglacial marine sediment sampler of straight line |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017987B (en) * | 2016-05-18 | 2019-04-09 | 大连理工大学 | A kind of method of the TT&C system and monitoring and control of oscillatory type bottom sampler |
| CN106017987A (en) * | 2016-05-18 | 2016-10-12 | 大连理工大学 | Measurement and control system and monitor and control method of vibratory bottom sampler |
| CN108548689A (en) * | 2018-05-29 | 2018-09-18 | 吉林大学 | Delayed startup type multi- drive synchronization oscillatory type subglacial water body deposit sampler |
| CN108548689B (en) * | 2018-05-29 | 2019-03-12 | 吉林大学 | Delayed startup type multi- drive synchronization oscillatory type subglacial water body deposit sampler |
| CN109030089A (en) * | 2018-08-23 | 2018-12-18 | 湖南科技大学 | Hand-held seabed sand bed pressure-maintaining and heat-preservation sampler and its application method |
| CN109030089B (en) * | 2018-08-23 | 2024-05-24 | 湖南科技大学 | Handheld seabed sand bed pressure-maintaining heat-preserving sampling device and application method thereof |
| CN109556913B (en) * | 2018-12-03 | 2022-03-22 | 中国海洋大学 | Deep-sea shallow-layer sandy sediment sampler and sampling method thereof |
| CN109556913A (en) * | 2018-12-03 | 2019-04-02 | 中国海洋大学 | Deep-sea shallow-layer arenaceous sediment object sampler and its sampling method |
| CN110118672A (en) * | 2019-04-04 | 2019-08-13 | 雷攀 | A kind of material sampling device for belt conveyer |
| CN110118672B (en) * | 2019-04-04 | 2021-12-07 | 合肥中亚建材装备有限责任公司 | Material sampling device of belt conveyor |
| CN111964961B (en) * | 2020-10-09 | 2022-05-27 | 吉林大学 | Full-automatic under-ice sediment vibration sampler |
| CN111964961A (en) * | 2020-10-09 | 2020-11-20 | 吉林大学 | Full-automatic under-ice sediment vibration sampler |
| CN112577771A (en) * | 2020-12-03 | 2021-03-30 | 山东省地质矿产勘查开发局第一地质大队 | Marine geological sediment sampling structure |
| CN113495014A (en) * | 2021-06-15 | 2021-10-12 | 中国海洋大学 | A vibrating gravity sampler for geotechnical parameter normal position test |
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