CN103267657A - Fidelity secondary sampling equipment for bottom sediments - Google Patents
Fidelity secondary sampling equipment for bottom sediments Download PDFInfo
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- CN103267657A CN103267657A CN2013102050509A CN201310205050A CN103267657A CN 103267657 A CN103267657 A CN 103267657A CN 2013102050509 A CN2013102050509 A CN 2013102050509A CN 201310205050 A CN201310205050 A CN 201310205050A CN 103267657 A CN103267657 A CN 103267657A
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Abstract
The invention relates to fidelity secondary sampling equipment for bottom sediments. The fidelity secondary sampling equipment comprises an upper barrel assembly and a lower barrel assembly, a piston assembly, a turning cover assembly, a middle supporting plate, an upper guide rail barrel, a lower guide rail barrel and a sampling barrel, wherein the middle supporting plate is mounted between the upper barrel assembly and the lower barrel assembly; the upper guide rail barrel is mounted between the middle supporting plate and an upper end sealing disc; the turning cover assembly and the piston assembly are mounted in the lower barrel assembly; and the sampling barrel is mounted at the lower end of the piston assembly. According to the fidelity secondary sampling equipment disclose4d by the invention, a designed mandrel and a designed elastic clamping plate structure can stop the sampling barrel from moving upwards in the sampling process; an overlying water check valve can guarantee that overlying water can be smoothly discharged out in the sampling process, and the low-disturbance sampling is realized; a designed secondary sampling check valve can be used for the secondary sampling so that the sampling rate is improved and the sampling cost is saved; and a sealing piece between two adjacent parts and a sampling back turning cover are automatically closed to guarantee the sealing of a system. The fidelity secondary sampling equipment disclosed by the invention is compact in structure, high in sampling rate and good in high-fidelity effect, the sampling time is saved and the cost is low; and the fidelity secondary sampling equipment is applicable to fidelity sampling of the bottom sediments, natural gas hydrates and mud samples in rivers and lakes.
Description
Technical field
The present invention relates to a kind of marine bottom sediment sampling equipment, specifically a kind of marine bottom sediment fidelity secondary sample equipment.
Background technology
The marine bottom sediment sampling equipment is a kind of exploring equipment that is used for gathering deposit on marine-bottom surface, and the sediment sample that collects can be used for geological sciences, bio-science research.
The marine bottom sediment sampling equipment is mainly used in:
1. the seabed mineral resource exploration comprises and seeks oil and seabed new forms of energy---gas hydrate etc.;
2. biological sample obtains;
3. marine engineering geology prospecting comprises the coastal engineering prospecting, navigation channel prospecting, seabed tunnel geological mapping, subsea cable, optical cable, gas pipe line, the prospecting of oil pipeline circuit etc.;
4. global climate and Environmental Studies, submarine sampling also are the important means of research weather and environmental change;
5. carry out marine geology research, comprise submarine topography landforms, Marine Geology structure etc.;
6. carry out the Marine Geology charting, for delimiting economic Precinct and the continental platform boundary provides foundation.
Existing sediment sampling equipment ubiquity sampling rate is low, can't fidelity or shortcoming such as fidelity weak effect.The sampling rate of sampling equipment is low, often causes the sample of obtaining to get less than sample very little or at all, thereby causes the sampling cost excessive.Raising along with the marine resources investigation requirement, quality requirements to sample is also more and more higher, especially in order to study the microorganism in the marine bottom sediment, having only as far as possible under old terms could be correctly for scientific research provides real data to sample research, thereby requires sampling equipment must have the fidelity function.Simultaneously, has the fidelity function to all requiring in the collection of gas hydrate sample and the sample transportation.
Therefore, the sampling rate of raising sediment sampling equipment is the inevitable requirement of sediment sampling equipment development with the fidelity function that satisfies sample.
Summary of the invention
The objective of the invention is for solving the deficiencies in the prior art, and a kind of marine bottom sediment fidelity secondary sample equipment that can satisfy high sampling rate and the requirement of sample fidelity is provided, in order to finish deposit on marine-bottom surface sample or gas hydrate sample collecting and transport task better.
To achieve these goals, the technical solution used in the present invention is: a kind of marine bottom sediment fidelity secondary sample equipment is provided, comprises the top cylinder assembly, the doffing assembly, assembly is renovated in piston assembly, intermediate support plate and upper and lower lead rail cylinder, linear bearing with carry hollow tubular;
Described top cylinder assembly comprises top cylinder end cap, upper end sealing pad, top cylinder cylindrical shell, top cylinder ring flange and O type circle and back-up ring A; Described top cylinder cylindrical shell is connected by screw with the top cylinder end cap; By O type circle and back-up ring A sealing, top cylinder cylindrical shell and top cylinder ring flange are welded to connect between top cylinder cylindrical shell and the upper end sealing pad; Annular grooving is arranged on the end flanges section under the top cylinder ring flange, O type circle is housed in the annular grooving; The top cylinder assembly is connected by screw with the doffing upper flanges of doffing assembly by the top cylinder ring flange of its lower end; Between top cylinder assembly and the doffing assembly intermediate support plate is installed, between intermediate support plate and the upper end sealing pad upper rail tube is installed;
Described doffing assembly comprises end flanges, doffing end cap under doffing cylindrical shell, doffing upper flanges, the doffing; The upper end of described doffing cylindrical shell and doffing upper flanges are welded to connect, and end flanges is welded to connect under the lower end of doffing cylindrical shell and the doffing; Described doffing end cap is connected under the doffing on the end flanges with screw;
The described assembly of renovating is installed in the doffing assembly, and the described assembly of renovating contains and renovates, renovates external cable, renovates and outer draw screw, renovate O type circle, renovate tube, renovate bearing, U-bolt, split pin and torsion spring; The described outside of renovating is provided with and renovates external cable, renovates the external cable other end and renovates and draw screw to be connected outward, renovates to draw screw to be installed on the doffing cylinder body outer wall outward, and drawing screw and doffing cylinder body outer wall outside renovating tin is threaded engagement; Renovated annular grooving, be equipped with on the grooving and renovate O type circle, renovated with renovating between the bearing and be connected with U-bolt; The end of described U-bolt is equipped with split pin, and torsion spring has been installed on the U-bolt; The described bearing of renovating is screwed and is renovating on the tube; Described renovating between tube and the cylindrical shell of doffing assembly seals with O type circle and back-up ring B, and is connected with the doffing end cap with circumferential stop screw;
Described piston assembly is installed in the doffing assembly, and described piston assembly contains piston, piston lower end sealing pad, overlying water retaining valve, straight spring, piston upper end sealing pad, secondary sample retaining valve, hydraulic pressure threaded line pipe web member, plays the clamp terminal pad; The lower end of described piston is connected by screw with piston lower end sealing pad, and the cone match of described overlying water retaining valve and piston lower end sealing pad is equipped with straight spring on the straight hole of piston lower end; The overlying water retaining valve interacts by straight spring and piston, and valve port was opened when the overlying water retaining valve moved upward; By being threaded, in the middle of it conical surface opening being arranged, and cooperate with the secondary sample retaining valve between described piston upper end sealing pad and the piston; The lower end of described secondary sample retaining valve is with straight spring, and straight spring is installed in the upper end perforate of piston, and valve port was opened when the secondary sample retaining valve moved downward; Be connected with screw between the sealing pad on described hydraulic pressure threaded line pipe web member and the piston, have ring groove on its lower surface, O type circle is housed in the ring groove, its upper end is connected with the hydraulic pressure threaded line pipe by middle threaded hole; Described bullet clamp terminal pad is installed in the top of hydraulic pressure threaded line pipe web member by screw, play on the clamp terminal pad four pairs of perforates are arranged, wherein Shang Duan two couple is used for being equipped with spring column pin, spring column pin is embedded in two flutings of axle, and two pairs of perforates of lower end are installed two pairs with screw and plain washer respectively and played clamp; The upper end of piston assembly is connected with axle by the spring pin, and the lower end of piston assembly is connected with sampler barrel by piston lower end sealing pad;
Described linear bearing is installed in upper cylinder end and covers, linear bearing with carry hollow tubular and cooperate, put forward the internal sleeve of hollow tubular and the hydraulic pressure threaded line pipe, carry stop nut is installed on the hollow tubular, put forward hollow tubular lower end and axle by being threaded, the hydraulic pressure threaded line pipe is connected by screw with piston assembly.
Top cylinder cylindrical shell of the present invention, doffing inner barrel, upper rail tube internal spray insulation material, and each connecting portion has all used the sealing of O type circle, comprises between linear bearing and the upper end sealing pad, renovate outer drawing between screw and the following drum outer wall, guarantees the heat-insulation pressure keeping effect.
The end cap of doffing assembly of the present invention and renovate and formed a ring-type cylindrical space between the assembly, two pairs of left and right bullet clamps just are stuck in the described ring-type cylindrical space in sampling process, left and right bullet clamp is played the clamp spring and is strutted to both sides, the last transverse plane of left and right bullet clamp and the lower end plane contact of renovating tube, sampler barrel moves upward in the prevention sampling process.
Be connected by spring column pin between axle of the present invention and the piston assembly and certain relative displacement can be arranged, the bullet clamp is in the annulus when sampling, relative displacement between this moment axle and piston assembly is zero, two bullet clamp springs that are installed on the axle strut two pairs of bullet clamps, to guarantee that sampler barrel can not move upward in sampling process, after sampling is finished, carry hollow tubular and upwards spur axle, axle and piston generation relative displacement, playing the clamp spring shrinks to the centre, and with a left side, the right clamp that plays spurs to the centre, make it break away from the ring-type cylindrical space, thereby make sampler barrel to take in the lead rail cylinder smoothly.
Of the present invention carrying is equipped with stop nut on the hollow tubular, in the sampling process, carrying hollow tubular moves up and down in linear bearing, when two pairs of left and right bullet clamps are in the ring-type cylindrical space, stop nut contacts with linear bearing just, make and carry the extreme position that hollow tubular arrival moves downward, guarantee that sampler barrel can not break away from sampling equipment in the process that reclaims sampler barrel.
Of the present invention renovate under the effect of torsion spring, to continue to be in want closing state, renovating assembly in the time of in sampler barrel is incorporated into the upper rail tube fully closes automatically, after sampler reclaims, outward winding and draw screw outside renovating, spur and renovate external cable and make to renovate and open the taking-up sample.
In the sedimental process of sampler barrel injection of the present invention, the seawater of sampler barrel upper end makes the overlying water one-way valve opens in the piston assembly, and seawater is discharged sampler barrel by the overlying water drainage channel; Reclaiming sampler barrel in the process of upper rail tube, the overlying water retaining valve turn-offs, and makes to prevent from the airtight formation negative pressure in sampler barrel upper end dropping at the sediment sample of sampler barrel inside.
Sampler barrel of the present invention is that transparent polycarbonate pipe is made, when the sampling operation, find that sampling rate is low excessively, then by hydraulic pressure threaded line pipe input high pressure sea water, high pressure sea water forces the secondary sample one-way valve opens of piston assembly, water under high pressure enters in the sampler barrel, with not meeting the sample discharge sampler barrel that sampling rate requires, equipment is shifted, sub-sampling is realized secondary sample again.
A kind of marine bottom sediment fidelity secondary sample equipment of the present invention compared with prior art has following advantage:
1. the mechanism of the left and right bullet clamp of the present invention's design, bullet clamp spring and axle composition can guarantee that sampler barrel two bullet clamps when the injection sedimentary deposit are stuck in the following transverse plane of renovating tube, guarantee that sampler barrel can not move upward because of the sampling resistance in the sampling process, thereby guarantee to have than high sampling rate.Overlying water was discharged smoothly when the overlying water retaining valve that designs among the present invention can guarantee to take a sample, and made sample gather smoothly, had realized low disturbance sampling simultaneously.
2. the present invention can realize secondary sample.When sampling rate is low, by in the hydraulic pressure threaded line pipe, pouring into high pressure sea water, seawater is through hydraulic pressure threaded line pipe web member, force the secondary sample one-way valve opens, high pressure sea water is by the secondary sample retaining valve, in drainage channel enters sampler barrel, undesirable sample is washed out, just can carry out the sampling second time.The sampling of realization secondary sample has reduced the cost of taking a sample.
3. equipment fidelity of the present invention is effective.Because this equipment has adopted in upper and lower tube inner barrel, upper rail tube internal spray insulation material, and each connecting portion all used measures such as O type circle sealing, and in the sample income lead rail cylinder of sampling back, renovate the assembly automatic close sealing, therefore guaranteed the fidelity effect of sample.
4. it is respond well that equipment of the present invention has compact conformation, sampling rate height, fidelity, characteristics such as economizes and the sampling cost is low sample time, is applicable to the fidelity sampling of mud sample in marine bottom sediment, gas hydrate, the rivers and lakes.
Description of drawings
Fig. 1 is marine bottom sediment fidelity secondary sample device structure synoptic diagram of the present invention.Do not reclaim state for sampler barrel among the figure.
Fig. 2 is for renovating the assembly structure synoptic diagram among the present invention.
Fig. 3 is the piston assembly among the present invention and two pairs of structural representations that play clamp and play the clamp spring.
Fig. 4 reclaims the cut-away illustration of state for the sampler barrel among the present invention.
Among the above-mentioned figure: 1-top cylinder end cap, 2-upper end sealing pad, 3-O type circle and back-up ring A, 4-carries hollow tubular, the 5-intermediate support plate, 6-upper rail tube, 7-hydraulic pressure threaded line pipe, the 8-stop nut, the 9-linear bearing, 11-O type circle, 12-top cylinder cylindrical shell, 13-top cylinder ring flange, 14-screw and packing ring B, 15-doffing upper flanges, 16-doffing cylindrical shell, the 17-axle, 18-O type circle and back-up ring B, end flanges under the 19-doffing, 21-doffing end cap, 22-lower guideway tube, 23-bullet clamp terminal pad, the 24-sampler barrel, 25-piston lower end sealing pad, 26-overlying water retaining valve, the 27-piston, 28-secondary sample retaining valve, 29-piston upper end sealing pad, the straight spring of 30-, the circumferential stop screw of 32-, 33-renovates external cable, 34-renovates, 35-renovates the outer screw that draws, 36-renovates O type circle, 37-renovates tube, 38-renovates bearing, 39-U type bolt, the 40-split pin, the 41-torsion spring, a 42-left side plays clamp, 43-hydraulic pressure threaded line pipe web member, the right clamp that plays of 44-, the 45-spring column pin, 46-bullet clamp spring.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment content of the present invention is described in detail.
Embodiment 1: a kind of marine bottom sediment fidelity secondary sample equipment of the present invention, and its structure comprises the top cylinder assembly as shown in Figure 1, the doffing assembly, assembly is renovated in piston assembly, intermediate support plate 5 and upper rail tube 6, lower guideway tube 22, linear bearing 9 with carry hollow tubular 4.
Described top cylinder assembly comprises top cylinder end cap 1, upper end sealing pad 2, top cylinder cylindrical shell 12, top cylinder ring flange 13 and O type circle and back-up ring A 3; Described top cylinder cylindrical shell 12 and top cylinder end cap 1 are connected by screw; By O type circle and back-up ring A 3 sealings, both are welded to connect top cylinder cylindrical shell 12 and top cylinder ring flange 13 between top cylinder cylindrical shell 12 and the upper end sealing pad 2; On 13 times end flanges sections of top cylinder ring flange annular grooving is arranged, O type circle is housed in the annular grooving; The top cylinder assembly is connected by screw 14 with the doffing upper flanges 15 of doffing assembly by the top cylinder ring flange 13 of its lower end; Between top cylinder assembly and the doffing assembly intermediate support plate 5 is installed, between intermediate support plate 5 and the upper end sealing pad 2 upper rail tube 6 is installed.
Described doffing assembly comprises end flanges 19, doffing end cap 21 under doffing cylindrical shell 16, doffing upper flanges 15, the doffing; The upper end of described doffing cylindrical shell 16 and doffing upper flanges 15 are welded to connect, and end flanges 19 is welded to connect under the lower end of doffing cylindrical shell 16 and the doffing; Described doffing end cap 21 usefulness screws are connected under the doffing on the end flanges 19.
The described assembly of renovating is installed in the doffing assembly, referring to Fig. 1,2, the described assembly of renovating contains and renovates 34, renovates external cable 33, renovates and outer draw screw 35, renovate O type circle 36, renovate tube 37, renovate bearing 38, U-bolt 39, split pin 40 and torsion spring 41; Described 34 outsides of renovating are provided with and renovate external cable 33, draw screw 35 to be connected outside renovating the external cable other end and renovating, draw screw to be installed on doffing cylindrical shell 16 outer walls outside renovating, renovate tube outer draw 35 with doffing cylindrical shell 16 outer walls be threaded engagement, renovate between the outer optical axis section of drawing screw 35 its front ends of tube and the doffing cylindrical shell 16 and adopt O type circle to seal; Renovating has annular grooving on 34, be equipped with on the grooving to renovate O type circle 36, renovates 34 and is connected with U-bolt 39 with renovating between the bearing 38; The end of described U-bolt 39 is equipped with split pin 40, and torsion spring 41 has been installed on the U-bolt 39; Described renovate bearing 38 be screwed renovating the tube 37 on; Described renovating between tube 37 and the doffing cylindrical shell 16 of doffing assembly seals with O type circle and back-up ring B 18, and is connected with doffing end cap 21 with circumferential stop screw 32.
Described piston assembly is installed in the doffing assembly, referring to Fig. 1,3, described piston assembly contains piston 27, piston lower end sealing pad 25, overlying water retaining valve 26, straight spring 30, piston upper end sealing pad 29, secondary sample retaining valve 28, hydraulic pressure threaded line pipe web member 43, plays clamp terminal pad 23; The lower end of described piston 27 and piston lower end sealing pad 25 are connected by screw, the cone match of described overlying water retaining valve 26 and piston lower end sealing pad 25, straight spring 30 is installed on the straight hole of piston 27 lower ends, straight spring housing is on overlying water retaining valve 26, the overlying water retaining valve interacts by straight spring and piston 27, and valve port was opened when the overlying water retaining valve moved upward; By being threaded, there is a conical surface opening its centre, and cooperates with secondary sample retaining valve 28 between described piston upper end sealing pad 29 and the piston 27; The lower end of described secondary sample retaining valve is with straight spring, and straight spring is installed in the upper end perforate of piston 27, and valve port was opened when the secondary sample retaining valve moved downward.Is connected with screw between the sealing pad 29 of described hydraulic pressure threaded line pipe web member 43 and piston upper end, has ring groove on its lower surface, O type circle is housed in the ring groove, its upper end is connected with hydraulic pressure threaded line pipe 7 by the threaded hole of centre; Described bullet clamp terminal pad 23 is installed in the top of hydraulic pressure threaded line pipe web member 43 by screw, playing on the clamp terminal pad 23 has in four pairs of perforates, the two pairs of perforates in upper end are equipped with two spring column pins 45, spring column pin is embedded in two flutings of axle 17, and two pairs of perforates of lower end are installed two pairs of left sides with screw and plain washer respectively and played clamp 42 and the right clamp 44 that plays; The upper end of piston assembly is connected with axle 17 by spring pin 45, and the lower end of piston assembly is connected with sampler barrel 24 by piston lower end sealing pad 25.
Described linear bearing 9 is installed on the top cylinder end cap 1, linear bearing 9 with carry hollow tubular 4 and cooperate, put forward the internal sleeve of hollow tubular 4 and hydraulic pressure threaded line pipe 7, the upper end of carrying hollow tubular 4 is equipped with stop nut 8, put forward hollow tubular 4 lower ends and axle 17 by being threaded, hydraulic pressure threaded line pipe 7 is connected by screw with piston assembly.
Top cylinder cylindrical shell of the present invention 12 inside, doffing cylindrical shell 16 inside and upper rail tube 6 have sprayed insulation material, and each connecting portion used O type circle sealing, guarantee the heat-insulation pressure keeping effect.
Hollow tubular 4 upper ends of carrying of the present invention are equipped with stop nut 8 by screw thread, carrying hollow tubular 4 can move up and down in linear bearing 9, carrying hollow tubular 4 lower ends is threaded with axle 17 uses, play clamp 42 and right when playing clamp 44 and being in the ring-type cylindrical space when a left side during sampling, stop nut 8 contacts with linear bearing 9 just, make and carry the extreme position that hollow tubular 4 arrival move downward, guarantee that sampler barrel can be because of sedimental viscosity and gravity and sampling equipment disengaging in the process that reclaims sampler barrel 24.
Of the present invention renovating renovated 34 and continued to be under the effect of torsion spring 41 and want closing state in the assembly, renovating total performance in the time of in sampler barrel 24 is incorporated into upper rail tube 6 fully can close automatically, after sampler barrel reclaims, outward winding and draw screw 35 outside renovating, just can by renovate external cable outwards pulling renovate 34 and make it to open, thereby take out sample.
Be connected by spring column pin 45 between axle 17 of the present invention and the piston assembly and have certain relative displacement, left side bullet clamp 42 and the right clamp 44 that plays are in the annulus when sampling, relative displacement between this moment axle 17 and piston assembly is zero, two bullet clamp springs 46 that are installed on the axle 17 strut two pairs of left side bullet clamps 42 and right bullet clamp 44, to guarantee that sampler barrel 24 can not move upward in sampling process, after sampling is finished, carry hollow tubular 4 and upwards spur axle 17, relative displacement takes place with piston 27 in axle 17, playing clamp spring 46 shrinks to the centre, and a left side played clamp 42 and the right clamp 44 that plays spurs to the centre, make it break away from the ring-type cylindrical space, thereby make sampler barrel 24 to take in smoothly in the upper rail tube 6.
Piston assembly of the present invention is in the sedimental process of sampler barrel 24 injection, and the seawater of sampler barrel 24 upper ends makes the overlying water one-way valve opens in the overlying water retaining valve 26 in the piston assembly, and discharges sampler barrel by the overlying water drainage channel; Sampler barrel 24 is being recovered in the process of upper rail tube 6, described overlying water retaining valve turn-offs, and makes that sampler barrel 24 upper ends are airtight, forms negative pressure when the sediment sample in sampler barrel 24 inside will drop, and prevents that sample from dropping.
Marine bottom sediment fidelity secondary sample equipment of the present invention, its course of work is:
⑴. before the work, as shown in Figure 1: stop nut 8 contacts with linear bearing 9, at this moment carry hollow tubular 4 and arrive the extreme position that moves downward with piston assembly and axle 17, two pairs of left bullet clamps 42 and right bullet clamp 44 are in the doffing end cap 21 of doffing assembly and renovate in 37 annulus that form, and under the effect that plays clamp spring 46, strut to both sides, make two pairs of left sides play clamp 42 and contact with the lower plane of renovating tube 37 with the right last plane that plays clamp 44; In addition, renovate 34 and under the effect of torsion spring 41, contact with the outer wall of carrying hollow tubular 4, the trend of renovating assembly 4 of closing is arranged.
⑵. during sampling, in the sampler barrel 24 injection sediments, sediment enters sampler barrel, and force overlying water to the top motion of sampler barrel, cause the pressure in sampler barrel 24 pipes to increase, thereby the overlying water retaining valve 26 in the piston assembly is opened, overlying water is discharged sampler barrel 24 by drainage channel, make sediment enter sampler barrel smoothly, thereby collect sample smoothly.
⑶. when reclaiming sampler barrel, upwards hollow tubular 4 is carried in pulling, make axle 17 and piston assembly produce relative displacement, force bullet clamp spring 46 to shrink to the centre, a pulling left side plays clamp 42 and the right side plays clamp 44 rotations, disengage with renovating tube 37 lower planes, thereby successfully sampler barrel 24 is drawn in upper rail tube 6 inside, the state that sampler barrel 24 is regained fully as shown in Figure 4.
⑷. when the undesirable or sampling rate of the sample of obtaining when discovery is undesirable, can carry out the secondary sample operation, concrete enforcement is: pour into high pressure sea water in hydraulic pressure threaded line pipe 7, seawater is via the hydraulic pressure threaded line pipe web member 43 of hydraulic pressure threaded line pipe 7 in the piston assembly, force secondary sample retaining valve 28 to be opened, high pressure sea water is by the secondary sample retaining valve, and enter in the sampler barrel 24 via drainage channel, undesirable sample is washed out, will can carry out the sampling second time again after the equipment displacement.
Marine bottom sediment fidelity secondary sample compact equipment of the present invention, sampling rate height, fidelity are respond well, have also saved sample time and sampling cost simultaneously; The present invention is applicable to the fidelity sampling of mud sample in marine bottom sediment, gas hydrate, the rivers and lakes.
Claims (7)
1. a marine bottom sediment fidelity secondary sample equipment comprises the top cylinder assembly, the doffing assembly, assembly is renovated in piston assembly, intermediate support plate and upper and lower lead rail cylinder, linear bearing with carry hollow tubular; It is characterized in that:
Described top cylinder assembly comprises top cylinder end cap, upper end sealing pad, top cylinder cylindrical shell, top cylinder ring flange and O type circle and back-up ring A; Described top cylinder cylindrical shell is connected by screw with the top cylinder end cap; By O type circle and back-up ring A sealing, top cylinder cylindrical shell and top cylinder ring flange are welded to connect between top cylinder cylindrical shell and the upper end sealing pad; Annular grooving is arranged on the end flanges section under the top cylinder ring flange, O type circle is housed in the annular grooving; The top cylinder assembly is connected by screw with the doffing upper flanges of doffing assembly by the top cylinder ring flange of its lower end; Between top cylinder assembly and the doffing assembly intermediate support plate is installed, between intermediate support plate and the upper end sealing pad upper rail tube is installed;
Described doffing assembly comprises end flanges, doffing end cap under doffing cylindrical shell, doffing upper flanges, the doffing; The upper end of described doffing cylindrical shell and doffing upper flanges are welded to connect, and end flanges is welded to connect under the lower end of doffing cylindrical shell and the doffing; Described doffing end cap is connected under the doffing on the end flanges with screw;
The described assembly of renovating is installed in the doffing assembly, and the described assembly of renovating contains and renovates, renovates external cable, renovates and outer draw screw, renovate O type circle, renovate tube, renovate bearing, U-bolt, split pin and torsion spring; The described outside of renovating is provided with and renovates external cable, renovates the external cable other end and renovates and draw screw to be connected outward, renovates to draw screw to be installed on the doffing cylinder body outer wall outward, and drawing screw and doffing cylinder body outer wall outside renovating tin is threaded engagement; Renovated annular grooving, be equipped with on the grooving and renovate O type circle, renovated with renovating between the bearing and be connected with U-bolt; The end of described U-bolt is equipped with split pin, and torsion spring has been installed on the U-bolt; The described bearing of renovating is screwed and is renovating on the tube; Described renovating between tube and the cylindrical shell of doffing assembly seals with O type circle and back-up ring B, and is connected with the doffing end cap with circumferential stop screw;
Described piston assembly is installed in the doffing assembly, and described piston assembly contains piston, piston lower end sealing pad, overlying water retaining valve, straight spring, piston upper end sealing pad, secondary sample retaining valve, hydraulic pressure threaded line pipe web member, plays the clamp terminal pad; The lower end of described piston is connected by screw with piston lower end sealing pad, and the cone match of described overlying water retaining valve and piston lower end sealing pad is equipped with straight spring on the straight hole of piston lower end; The overlying water retaining valve interacts by straight spring and piston, and valve port was opened when the overlying water retaining valve moved upward; By being threaded, in the middle of it conical surface opening being arranged, and cooperate with the secondary sample retaining valve between described piston upper end sealing pad and the piston; The lower end of described secondary sample retaining valve is with straight spring, and straight spring is installed in the upper end perforate of piston, and valve port was opened when the secondary sample retaining valve moved downward; Be connected with screw between the sealing pad on described hydraulic pressure threaded line pipe web member and the piston, have ring groove on its lower surface, O type circle is housed in the ring groove, its upper end is connected with the hydraulic pressure threaded line pipe by middle threaded hole; Described bullet clamp terminal pad is installed in the top of hydraulic pressure threaded line pipe web member by screw, play on the clamp terminal pad four pairs of perforates are arranged, wherein Shang Duan two couple is used for being equipped with spring column pin, spring column pin is embedded in two flutings of axle, and two pairs of perforates of lower end are installed two pairs with screw and plain washer respectively and played clamp; The upper end of piston assembly is connected with axle by the spring pin, and the lower end of piston assembly is connected with sampler barrel by piston lower end sealing pad;
Described linear bearing is installed in upper cylinder end and covers, linear bearing with carry hollow tubular and cooperate, put forward the internal sleeve of hollow tubular and the hydraulic pressure threaded line pipe, carry stop nut is installed on the hollow tubular, put forward hollow tubular lower end and axle by being threaded, the hydraulic pressure threaded line pipe is connected by screw with piston assembly.
2. a kind of marine bottom sediment fidelity secondary sample equipment according to claim 1, it is characterized in that: described top cylinder cylindrical shell, doffing inner barrel, upper rail tube internal spray insulation material, and each connecting portion has all used the sealing of O type circle, comprise between linear bearing and the upper end sealing pad, renovate outer drawing between screw and the following drum outer wall, guarantee the heat-insulation pressure keeping effect.
3. a kind of marine bottom sediment fidelity secondary sample equipment according to claim 1, it is characterized in that: the end cap of described doffing assembly and renovate and formed a ring-type cylindrical space between the assembly, two pairs of left and right bullet clamps just are stuck in the described ring-type cylindrical space in sampling process, left and right bullet clamp is played the clamp spring and is strutted to both sides, the last transverse plane of left and right bullet clamp and the lower end plane contact of renovating tube, sampler barrel moves upward in the prevention sampling process.
4. according to the described a kind of marine bottom sediment fidelity secondary sample equipment of claim 1, it is characterized in that: described carrying is equipped with stop nut on the hollow tubular, in the sampling process, carrying hollow tubular moves up and down in linear bearing, when two pairs of left and right bullet clamps are in the ring-type cylindrical space, stop nut contacts with linear bearing just, makes to carry the extreme position that hollow tubular arrival moves downward, and guarantees that sampler barrel does not break away from sampling equipment in the process that reclaims sampler barrel.
5. a kind of marine bottom sediment fidelity secondary sample equipment according to claim 1, it is characterized in that: described renovate under the effect of torsion spring, to continue to be in want closing state, renovating assembly in the time of in sampler barrel is incorporated into the upper rail tube fully closes automatically, after sampler reclaims, outward winding and draw screw outside renovating, spur and renovate external cable and make to renovate and open the taking-up sample.
6. a kind of marine bottom sediment fidelity secondary sample equipment according to claim 1, it is characterized in that: in the sedimental process of described sampler barrel injection, the seawater of sampler barrel upper end makes the overlying water one-way valve opens in the piston assembly, and seawater is discharged sampler barrel by the overlying water drainage channel; Reclaiming sampler barrel in the process of upper rail tube, the overlying water retaining valve turn-offs, and makes to prevent from the airtight formation negative pressure in sampler barrel upper end dropping at the sediment sample of sampler barrel inside.
7. a kind of marine bottom sediment fidelity secondary sample equipment according to claim 1, it is characterized in that: described sampler barrel is that transparent polycarbonate pipe is made, when the sampling operation, find that sampling rate is low excessively, then by hydraulic pressure threaded line pipe input high pressure sea water, high pressure sea water forces the secondary sample one-way valve opens of piston assembly, and water under high pressure enters in the sampler barrel, the sample discharge sampler barrel that sampling rate requires will do not met, with the equipment displacement, sub-sampling is realized secondary sample again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310205050.9A CN103267657B (en) | 2013-05-28 | 2013-05-28 | Fidelity secondary sampling equipment for bottom sediments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310205050.9A CN103267657B (en) | 2013-05-28 | 2013-05-28 | Fidelity secondary sampling equipment for bottom sediments |
Publications (2)
| Publication Number | Publication Date |
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| CN103267657A true CN103267657A (en) | 2013-08-28 |
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| CN103484355A (en) * | 2013-09-06 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Uncovered culture cabin for deep-sea microorganisms |
| CN103484360A (en) * | 2013-09-09 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Circulation type culture cabin for deep-sea microorganisms |
| CN104849101A (en) * | 2015-05-28 | 2015-08-19 | 国家海洋局第一海洋研究所 | Deep-sea sediment sampling impact head adopting composite sealed structure |
| CN105239947A (en) * | 2015-10-30 | 2016-01-13 | 湖南科技大学 | Seafloor sediment coring device applicable to seafloor drilling machine |
| CN105891325A (en) * | 2016-04-05 | 2016-08-24 | 广东工业大学 | Synchronous sampling pipe with multi-section connection and bottom sediment sampling apparatus with synchronous sampling pipe |
| CN106153392A (en) * | 2015-04-10 | 2016-11-23 | 泰安市康宇医疗器械有限公司 | Breast milk pipette device and absorption breast milk method |
| CN106441977A (en) * | 2016-11-19 | 2017-02-22 | 浙江大学 | Deep-sea autonomous sampler |
| CN106989955A (en) * | 2017-06-05 | 2017-07-28 | 河海大学 | A kind of bottom sampler suitable for gummy deposits |
| CN107246979A (en) * | 2017-06-20 | 2017-10-13 | 上海兆极环境科技有限公司 | A kind of intelligent water-bed original state bottom sampler |
| CN107907361A (en) * | 2017-12-14 | 2018-04-13 | 中国科学院深海科学与工程研究所 | A kind of underwater sediment(s) sampler |
| CN108020442A (en) * | 2018-01-31 | 2018-05-11 | 湖南科技大学 | Hydraulic driving mechanical holds bottom sediment fidelity sampling device and sampling method |
| CN109870553A (en) * | 2019-03-18 | 2019-06-11 | 中国原子能科学研究院 | A kind of uranium foil dissolution experiment device |
| CN109991038A (en) * | 2019-04-17 | 2019-07-09 | 福建师范大学福清分校 | A kind of bottom sediment automatic sampling device |
| CN110095312A (en) * | 2019-06-17 | 2019-08-06 | 国家深海基地管理中心 | Hand-held column shaped deposit sampler |
| CN110271748A (en) * | 2019-06-24 | 2019-09-24 | 杨胜杰 | A kind of bottom sediment multilayer fidelity storage sampling equipment |
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| CN113029700A (en) * | 2021-03-05 | 2021-06-25 | 浙江大学 | Sediment fidelity sampling device based on underwater ROV contains overwater |
| CN113295454A (en) * | 2021-05-18 | 2021-08-24 | 江西理工大学 | Auxiliary sampling device for deep sea minerals |
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| CN115165457A (en) * | 2022-09-08 | 2022-10-11 | 天津市农业生态环境监测与农产品质量检测中心 | Seawater and sediment integrated acquisition equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1081463A1 (en) * | 1983-01-28 | 1984-03-23 | Южное производственное объединение по морским геологоразведочным работам "Южморгеология" | Bottom deposit sampler |
| CN2075899U (en) * | 1990-05-08 | 1991-05-01 | 谌桂生 | Portable folding table (stool) capable of rising and falling |
| JPH09243529A (en) * | 1996-03-05 | 1997-09-19 | Y B M Hanbai Kk | Sample-collecting method |
| CN1420348A (en) * | 2002-12-12 | 2003-05-28 | 浙江大学 | Deep sea deposit fidelity sampling system |
| CN1483369A (en) * | 2002-09-18 | 2004-03-24 | 政泰洋伞有限公司 | Automatic open/close foldable umbrella |
| CN1616944A (en) * | 2004-12-01 | 2005-05-18 | 浙江大学 | Fidelity sampling integrated deep sea sediment sampler |
| CN1789952A (en) * | 2005-12-09 | 2006-06-21 | 中国海洋石油总公司 | Hydraulic drive in-situ gas-retaining sampler for bottom sediment |
| CN201397257Y (en) * | 2009-05-14 | 2010-02-03 | 杭州电子科技大学 | Sediment pressure maintaining sampler |
| CN101798924A (en) * | 2010-03-25 | 2010-08-11 | 吉林大学 | Icebound type pressure-maintaining and temperature-preserving sampler |
| CN202869850U (en) * | 2012-09-17 | 2013-04-10 | 上海海洋大学 | Electric control closed water sampler |
-
2013
- 2013-05-28 CN CN201310205050.9A patent/CN103267657B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1081463A1 (en) * | 1983-01-28 | 1984-03-23 | Южное производственное объединение по морским геологоразведочным работам "Южморгеология" | Bottom deposit sampler |
| CN2075899U (en) * | 1990-05-08 | 1991-05-01 | 谌桂生 | Portable folding table (stool) capable of rising and falling |
| JPH09243529A (en) * | 1996-03-05 | 1997-09-19 | Y B M Hanbai Kk | Sample-collecting method |
| CN1483369A (en) * | 2002-09-18 | 2004-03-24 | 政泰洋伞有限公司 | Automatic open/close foldable umbrella |
| CN1420348A (en) * | 2002-12-12 | 2003-05-28 | 浙江大学 | Deep sea deposit fidelity sampling system |
| CN1616944A (en) * | 2004-12-01 | 2005-05-18 | 浙江大学 | Fidelity sampling integrated deep sea sediment sampler |
| CN1789952A (en) * | 2005-12-09 | 2006-06-21 | 中国海洋石油总公司 | Hydraulic drive in-situ gas-retaining sampler for bottom sediment |
| CN201397257Y (en) * | 2009-05-14 | 2010-02-03 | 杭州电子科技大学 | Sediment pressure maintaining sampler |
| CN101798924A (en) * | 2010-03-25 | 2010-08-11 | 吉林大学 | Icebound type pressure-maintaining and temperature-preserving sampler |
| CN202869850U (en) * | 2012-09-17 | 2013-04-10 | 上海海洋大学 | Electric control closed water sampler |
Non-Patent Citations (1)
| Title |
|---|
| 李峰: "深海沉积物无扰动保压取样技术的研究", 《万方学位论文数据库》 * |
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| CN103484355B (en) * | 2013-09-06 | 2015-03-18 | 中国船舶重工集团公司第七一〇研究所 | Uncovered culture cabin for deep-sea microorganisms |
| CN103484355A (en) * | 2013-09-06 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Uncovered culture cabin for deep-sea microorganisms |
| CN103484360A (en) * | 2013-09-09 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Circulation type culture cabin for deep-sea microorganisms |
| CN106153392A (en) * | 2015-04-10 | 2016-11-23 | 泰安市康宇医疗器械有限公司 | Breast milk pipette device and absorption breast milk method |
| CN104849101A (en) * | 2015-05-28 | 2015-08-19 | 国家海洋局第一海洋研究所 | Deep-sea sediment sampling impact head adopting composite sealed structure |
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| CN105891325B (en) * | 2016-04-05 | 2019-01-29 | 广东工业大学 | A kind of bottom sediment sampler of the synchronized sampling pipe with multistage connection |
| CN105891325A (en) * | 2016-04-05 | 2016-08-24 | 广东工业大学 | Synchronous sampling pipe with multi-section connection and bottom sediment sampling apparatus with synchronous sampling pipe |
| CN106441977A (en) * | 2016-11-19 | 2017-02-22 | 浙江大学 | Deep-sea autonomous sampler |
| CN106989955A (en) * | 2017-06-05 | 2017-07-28 | 河海大学 | A kind of bottom sampler suitable for gummy deposits |
| CN106989955B (en) * | 2017-06-05 | 2019-11-26 | 河海大学 | A kind of bottom sampler suitable for gummy deposits |
| CN107246979A (en) * | 2017-06-20 | 2017-10-13 | 上海兆极环境科技有限公司 | A kind of intelligent water-bed original state bottom sampler |
| CN107907361A (en) * | 2017-12-14 | 2018-04-13 | 中国科学院深海科学与工程研究所 | A kind of underwater sediment(s) sampler |
| CN107907361B (en) * | 2017-12-14 | 2024-01-16 | 中国科学院深海科学与工程研究所 | Underwater sediment sampling device |
| CN108020442A (en) * | 2018-01-31 | 2018-05-11 | 湖南科技大学 | Hydraulic driving mechanical holds bottom sediment fidelity sampling device and sampling method |
| CN108020442B (en) * | 2018-01-31 | 2024-02-27 | 湖南科技大学 | Hydraulic drive mechanical hand-held seabed sediment fidelity sampler and sampling method |
| CN109870553A (en) * | 2019-03-18 | 2019-06-11 | 中国原子能科学研究院 | A kind of uranium foil dissolution experiment device |
| CN109991038A (en) * | 2019-04-17 | 2019-07-09 | 福建师范大学福清分校 | A kind of bottom sediment automatic sampling device |
| CN109991038B (en) * | 2019-04-17 | 2020-04-07 | 福建师范大学福清分校 | Automatic sampling device of submarine sediment |
| CN110095312A (en) * | 2019-06-17 | 2019-08-06 | 国家深海基地管理中心 | Hand-held column shaped deposit sampler |
| CN110271748A (en) * | 2019-06-24 | 2019-09-24 | 杨胜杰 | A kind of bottom sediment multilayer fidelity storage sampling equipment |
| WO2020258535A1 (en) * | 2019-06-24 | 2020-12-30 | 杨胜杰 | Multilayer fidelity-maintaining storage sampling apparatus for submarine sediment |
| CN112345303B (en) * | 2020-10-10 | 2022-06-07 | 山东元通监测有限公司 | Sealed sewage detection sampling device capable of randomly adjusting sampling depth |
| CN112345303A (en) * | 2020-10-10 | 2021-02-09 | 芜湖质勉信息科技有限公司 | Sealed sewage detection sampling device capable of randomly adjusting sampling depth |
| CN113029700A (en) * | 2021-03-05 | 2021-06-25 | 浙江大学 | Sediment fidelity sampling device based on underwater ROV contains overwater |
| CN113029700B (en) * | 2021-03-05 | 2022-06-07 | 浙江大学 | Sediment fidelity sampling device based on underwater ROV contains overburden water |
| CN113295454A (en) * | 2021-05-18 | 2021-08-24 | 江西理工大学 | Auxiliary sampling device for deep sea minerals |
| CN113295454B (en) * | 2021-05-18 | 2022-06-07 | 江西理工大学 | Auxiliary sampling device for deep sea minerals |
| CN114354245A (en) * | 2021-12-02 | 2022-04-15 | 浙江大学 | Repeated pressure-maintaining separation and transfer device without overlying water pollution and low sediment disturbance |
| CN114354245B (en) * | 2021-12-02 | 2024-03-19 | 浙江大学 | Water-covering pollution-free and sediment low-disturbance repeated pressure-maintaining separation transfer device |
| CN115165457A (en) * | 2022-09-08 | 2022-10-11 | 天津市农业生态环境监测与农产品质量检测中心 | Seawater and sediment integrated acquisition equipment |
| CN115165457B (en) * | 2022-09-08 | 2022-11-11 | 天津市农业生态环境监测与农产品质量检测中心 | Seawater and sediment integrated acquisition equipment |
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