CN111521435A - Deep water visual controllable light sediment columnar sampling system release mechanism and method - Google Patents
Deep water visual controllable light sediment columnar sampling system release mechanism and method Download PDFInfo
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- CN111521435A CN111521435A CN202010400983.3A CN202010400983A CN111521435A CN 111521435 A CN111521435 A CN 111521435A CN 202010400983 A CN202010400983 A CN 202010400983A CN 111521435 A CN111521435 A CN 111521435A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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Abstract
The invention belongs to the field of obtaining submarine sediment samples, and particularly relates to a deep-water visible controllable light sediment columnar sampling system release mechanism and a method. The configuration of the hydraulic hammer tamping mechanism enables the sampler to complete the collection work of the ultra-long, continuous and low-disturbance deep sea sediment columnar samples on the premise of not increasing the self weight remarkably. The invention overcomes the defects of the conventional blind sampling and effectively improves the technical level of deep sea visual and controllable columnar sampling.
Description
Technical Field
The invention belongs to the field of obtaining submarine sediment samples, and particularly relates to a deep-water visual controllable light sediment columnar sampling system release mechanism and a method.
Background
The main devices for obtaining samples of seafloor sediments include column samplers, clamshell samplers, multi-tube samplers, and the like. Compared with the latter two surface sediment samplers, the column sampler can obtain a long column sample of sediment with larger time span and richer information records.
The existing columnar sampler can be divided into a non-controllable type and a controllable type according to an energy supply mode, wherein the former means that the sampler is only penetrated into the submarine sediment by the kinetic energy of the sampler, and the working process is not controlled by a device carrying a platform; the latter means that the sampler is provided with an auxiliary power source and can complete sampling through corresponding operation on a carrying platform. At present, two uncontrollable samplers, namely a valve type gravity sampler and a piston gravity sampler, are mainly configured on a scientific research ship in China, and the sampling depth is generally short. The two samplers are large in size and complex to assemble, and a large amount of human resources are consumed in the whole sampling process, so that the whole operation difficulty is high, and the efficiency is low. Moreover, these devices lack auxiliary power sources, vision and positioning components, and therefore cannot monitor and accurately operate the sampler in real time during sampling, and only perform blind sampling. The controllable sampler mainly relates to a plurality of visible controllable sediment samplers, and mainly uses a reciprocating ramming device for sampling, for example, a deep sea pneumatic reciprocating ramming device with the publication number of CN 103115792A of 5-22.2013, but the device cannot be released; for another example, the open date is 2013, 5, 22 and the open number is CN 103115798A, the device can be released, but the storage mode of the release cable needs to occupy the space of the rammer body, and certain difficulty requirements are imposed on the sealing property of the rammer body.
In summary, the controllable cylindrical sampling system developed at home and abroad does not form a release device under the condition that the hammer body has a simpler structure and is not hollow. In the aspects of the outer layer release of the sampler body and the like, no or few domestic researches and applications are available.
Disclosure of Invention
Aiming at the defects of the existing uncontrollable and controllable columnar sampling system, the invention aims to provide a deep water visible controllable light sediment columnar sampling system release mechanism and a method.
The purpose of the invention is realized by the following technical scheme:
the release mechanism comprises a ship communication steel cable, a bearing head, a rotating ring, a four-corner plate rotating ring, a rotating shaft, a communication end, an upward-looking camera, a release steel cable, a sampler control hammer body unit, a height gauge, a downward-looking camera, a drain pipe, a piston, a tool bit, a release oil cylinder, a sampler sealing cover, a sampler control communication unit, a sampler body, a sample pipe and a sampler body mounting seat, wherein the sampler body, the drain pipe, the sample pipe and the tool bit are sequentially connected, the upper end of the sampler body is in threaded connection with the sampler sealing cover, the sampler control communication unit and the sampler control hammer body unit are respectively mounted in the sampler body, and the height gauge and the downward-looking camera are respectively mounted on the outer surface of the; the top of the sampler sealing cover is respectively provided with a sampler body mounting seat, an upward-looking camera and a plurality of communication ends, and each communication end is respectively connected with the sampler control communication unit; one end of the ship communication steel cable is wound on a winch of the scientific investigation ship, the steel cable at the other end is connected with one end of a bearing head, a communication flexible cable extending out of the bearing head is connected with the sampler control communication unit through a communication end, the other end of the bearing head is hinged with one end of a rotating ring, and the other end of the rotating ring is hinged with a four-corner disc rotating ring; the release oil cylinder is arranged on the mounting seat of the sampler body, the output end of the release oil cylinder is connected with a rotating shaft, and the four-angle disc rotating ring is connected with the mounting seat of the sampler body through the rotating shaft and separated from the mounting seat of the sampler body after the rotating shaft is driven to be drawn out through the release oil cylinder; one end of the release steel cable is connected to the four-angle disc rotating ring, and the other end of the release steel cable penetrates into the drain pipe and is connected with the piston; the upward-looking camera, the altimeter and the downward-looking camera are respectively connected with the sampler control communication unit through communication terminals.
Wherein: and a drain pipe guide pulley block is arranged at the position where the release steel cable penetrates, and a plurality of drain holes for discharging water flow when the piston is lifted upwards are uniformly formed in the drain pipe along the height direction.
And a drain pipe blocking step is arranged in the drain pipe, and the release mechanism prevents the piston from lifting up through the drain pipe blocking step during recovery.
A plurality of guide pulleys are uniformly installed on one side of the outer surface of the sampler body along the height direction, one end of the release steel cable is connected with the four-corner plate rotating ring through a shackle, the other end of the release steel cable is wound around the guide pulleys, and the release steel cable is arc-shaped between every two adjacent guide pulleys.
An upper end head guide pulley block is arranged on the mounting seat of the sampler body, and one end of the release steel cable passes through the space between the upper end head guide pulley block and the mounting seat of the sampler body and is connected with the four-corner disc rotating ring; the upper end head guide pulley block comprises a guide pulley seat, a pulley block shaft and a pulley block fixing bolt, one end of the guide pulley seat is fixed on the sampler body mounting seat, the other end of the guide pulley seat is connected with the pulley block shaft through the pulley block fixing bolt, and a pulley is arranged on the pulley block shaft.
The guide pulley seat comprises a guide pulley seat base and guide pulley seat side plates, the guide pulley seat base is fixedly connected with the sampler body mounting seat, two guide pulley seat side plates are vertically arranged on the guide pulley seat base, and each guide pulley seat side plate is provided with a guide pulley mounting hole; the pulley assembly shaft is a stepped shaft and is divided into a pulley stress shaft, a pulley block outer ring and a pulley block inner ring along the axial direction, the two sides of the pulley block inner ring are respectively provided with a pulley block outer ring with the diameter larger than the pulley block inner ring, the release steel cable slides in the pulley block inner ring and passes through the pulley block outer ring for limitation, the outer side of the pulley block outer ring is the pulley stress shaft, the pulley stress shaft is penetrated through a guide pulley mounting hole in the guide pulley seat side plate and is fixed with the guide pulley seat through a pulley block fixing bolt, and the outer surface of the pulley block outer ring is abutted to the inner surface of the guide pulley seat side plate.
The sampler body mounting seat is characterized in that rotary lifting lugs for recycling are arranged on two sides of the sampler body mounting seat, one end of each rotary lifting lug is rotatably connected with a rotary disc on the sampler body mounting seat, and a rotary lifting hole is formed in the other end of each rotary lifting lug.
And the communication flexible cable is wound in front of the upper part of the sampler body and then connected with the communication end.
The four-corner plate rotating ring is square, four sides are both concave arcs, four corners are fillets, and four-corner plate rotating holes are formed in each corner.
The invention discloses a releasing method of a deep water visual controllable light sediment columnar sampling system releasing mechanism, which comprises the following steps:
the sampler control communication unit controls the release oil cylinder to complete the release action according to the submarine height and the bottom condition through the altimeter and the downward-looking camera, and the sampler control hammer unit completes the sampling work through the tamping action of the sampler control hammer unit after the release, and the concrete steps comprise:
after the releasing mechanism is lowered to the sea bottom, a shore end control unit on a scientific investigation ship transmits signals through a ship communication steel cable, a communication flexible cable and a communication end to reach a sampler control communication unit, the altimeter and a downward-looking camera determine the position and the condition of the bottom according to the position and the bottom quality, and the sampler control communication unit transmits the signals to the shore end control unit;
step two, according to a preset release height, after the sampler control communication part receives a release command of a shore end control unit, the release oil cylinder is controlled to be pulled and released, and a rotating shaft between the four-corner disc rotating ring and the sampler body mounting seat is pulled back along with the release oil cylinder to complete the separation of the four-corner disc rotating ring from the sampler body mounting seat;
step three, the sampler body, the drain pipe, the sample tube and the tool bit are lowered by gravity after the four-corner disc rotating ring is separated from the mounting seat of the sampler body, the release steel cable drives the piston to suck back, and the tool bit and the sample tube are sequentially inserted into the seabed sediment;
fourthly, the shore end control unit transmits a signal through a ship communication steel cable to reach the sampler control communication unit through a communication flexible cable and a communication end, the sampler control communication unit controls the sampler control hammer body unit to carry out hammering action on the sampler body, meanwhile, the shore end control unit obtains sample introduction length and bottom video condition data through a height meter and a downward-looking camera, and when the operation requirement is met, the hammering action is stopped;
step five, a ship winch on the scientific investigation ship is used for pulling back the ship communication steel cable to drive the bearing head and the rotating ring to lift upwards, the release steel cable is pulled to drive the piston, and the drain pipe, the sampler body, the sample pipe and the cutter head are driven to be recovered through the piston;
and step six, after the edge of the scientific investigation ship is recovered, the recovery of the sampler body is completed, and the operation is completed.
The invention has the advantages and positive effects that:
1. the invention uses the combination of the external gravity releasing mode and the power combination of the deep sea hydraulic hammer, the structure of the external gravity releasing mode greatly reduces the difficulty of manufacturing the deep sea hydraulic hammer, avoids the hollow watertight work of the hydraulic hammer, the processing difficulty is very high, the cost is high and the complexity of the internal structure is very high by using the original principle and technology, and the invention avoids the occurrence of the above things.
2. The invention has compact structure, can complete controllable control in the release process of the sampler near the bottom layer, solves the defect of blind release in the past, and improves the operation capability, the operation efficiency and the safety factor of the system.
Drawings
FIG. 1 is a schematic view of the overall structure of the release mechanism of the present invention;
FIG. 2 is a side view of the overall construction of the release mechanism of the present invention;
FIG. 3 is a schematic diagram of the release mechanism of the present invention in a release phase;
FIG. 4 is an enlarged view of a portion A of FIG. 1;
FIG. 5 is a schematic view of the structure of the four-corner plate swivel in the release mechanism of the present invention;
FIG. 6A is a schematic view of the construction of the pulley set shaft in the release mechanism of the present invention;
FIG. 6B is a schematic structural view of a fixing bolt of the pulley block in the releasing mechanism of the present invention;
fig. 7A is a schematic perspective view of a pulley block base in the releasing mechanism of the present invention;
FIG. 7B is a front view of the structure of the pulley block base of the release mechanism of the present invention;
FIG. 7C is a top view of FIG. 7B;
FIG. 7D is a side view of FIG. 7B;
wherein: 1 is a ship communication steel cable, 2 is a bearing head, 3 is a rotating ring, 4 is a quadrangular disc rotating ring, 5 is a quadrangular disc rotating hole, 6 is a rotating lifting lug, 7 is a rotating lifting hole, 8 is a rotating disc, 9 is a rotating shaft, 10 is a shackle, 11 is a communication end, 12 is an upward-looking camera, 13 is an upward-looking camera fixing position, 14 is a release steel cable, 15 is a guide pulley A, 16 is a guide pulley B, 17 is a guide pulley C, 18 is a guide pulley D, 19 is a guide pulley mounting base, 20 is a sampler control hammer body unit, 21 is a height gauge, 22 is a downward-looking camera, 23 is a drain pipe, 24 is a drain hole, 25 is a piston, 26 is a tool bit, 27 is a release oil cylinder, 28 is an upper-end guide pulley block, 29 is a pulley block shaft, 30 is a pulley stress shaft, 31 is an outer pulley block, 32 is an outer ring, 33 is a pulley block inner ring, 34 is a pulley block shaft pin hole, 35 is a pulley block shaft fixing bolt, 36 is a guide pulley seat side plate, 37 is a guide pulley seat base, 38 is a guide pulley block fixing hole, 39 is a guide pulley mounting hole A, 40 is a guide pulley mounting hole B, 41 is a lifting hole A, 42 is a lifting hole B, 43 is a lifting hole C, 44 is a sampler sealing cover, 45 is a sampler control communication unit, 46 is a sampler body, 47 is a sample tube, 48 is a sampler body mounting seat, 49 is a sample tube connecting part, 50 is a drain pipe guide pulley block, 51 is a drain pipe blocking ladder, and 52 is a communication soft cable.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 4, the releasing mechanism of the present invention comprises a ship communication cable 1, a bearing head 2, a rotating ring 3, a quadrangle disc rotating ring 4, a rotating lifting lug 6, a rotating shaft 9, a communication end 11, an upward-looking camera 12, a releasing cable 14, a guide pulley, a sampler control hammer unit 20, a height gauge 21, a downward-looking camera 22, a drain pipe 23, a piston 25, a tool bit 26, a releasing cylinder 27, an upper end guide pulley block 28, a sampler sealing cover 44, a sampler control communication unit 45, a sampler body 46, a sample pipe 47, a sampler body mounting seat 48 and a drain pipe guide pulley block 50, wherein the upper end of the sampler body 46 is in threaded connection with a sampler sealing cover 44, the lower end is in sealed connection with the upper end of the drain pipe 23, the lower end of the drain pipe 23 is in sealed connection with the upper end of the sample pipe 47 through a sample pipe connecting piece 49, and the lower end of the sample pipe 47 is in threaded connection with a cutter head; a sampler control communication unit 45 and a sampler control hammer body unit 20 are respectively arranged in the sampler body 46, and the sampler control communication unit 45 is positioned above the sampler control hammer body unit 20; the sampler control communication unit 45 and the sampler control hammer unit 20 of the present embodiment are both related art, and the sampler control hammer unit 20 may adopt an "energy storage air hammer mechanism" in "a deep sea pneumatic reciprocating ramming device" with publication number CN 103115792a, publication number of 5 month 22 days in 2013.
The top of the sampler sealing cover 44 is respectively provided with a sampler body mounting seat 48, an upward-looking camera fixing position 13 and a plurality of communication ends 11, and the upward-looking camera fixing position 13 is provided with an upward-looking camera 12; each communication terminal 11 is connected to a sampler control communication unit 45. A plurality of guide pulleys are installed on the outer surface of one side of the sampler body 46 from top to bottom according to the rotation angle, and a height gauge 21 and a downward-looking camera 22 are respectively installed on the lower portion of the outer surface of the other side of the sampler body 46.
The one end winding of ship communication steel cable 1 is on scientific investigation ship's winch, and the steel cable of the other end is connected with the one end of bearing head 2, and the communication flexible cable 52 winding that bearing head 2 stretched out is connected with communication end 11 again after sampler body 46's the place ahead, is connected with sampler control communication unit 45 through communication end 11, and the other end of bearing head 2 is articulated with the one end of swivel becket 3 through two swivel becket bolts, and the other end of swivel becket 3 is articulated with four corners dish swivel becket 4 through single swivel becket. The release oil cylinder 27 is installed on the sampler body installation seat 48, the output end is connected with the rotating shaft 9, the four-corner disc rotating ring 4 is connected with the sampler body installation seat 48 through the rotating shaft 9, and the rotating shaft 9 is driven by the release oil cylinder 27 to be drawn out and then separated from the sampler body installation seat 48. One end of the release cable 14 is connected to the quadrangle disc swivel 4, and the other end thereof passes through the drain pipe 23 after passing around each guide pulley in turn, and is connected to a piston 25.
The number of the communication terminals 11 is at least four, and the upward-looking camera 12, the altimeter 21, the downward-looking camera 22 and the communication flexible cable 52 are respectively connected with one communication terminal 11 and are respectively connected with the sampler control communication unit 45 through the communication terminals 11.
As shown in fig. 1, 2, 4 and 5, the four-corner plate rotating ring 4 of the present embodiment is square, four sides are all concave arcs, four corners are rounded corners, and each corner is provided with a four-corner plate rotating hole 5. There is three in four corners carousel rotation hole 5 to be used for connecting as the hole for hoist, and these three hole for hoist is hole for hoist A41, hole for hoist B42 and hole for hoist C43 respectively, and the other end of swivel 3 passes through single rotation bolt and penetrates hole for hoist A41, links to each other with four corners dish swivel 4, and hole for hoist C43 passes through axis of rotation 9 and connects sampler body mount pad 48, and the one end of release steel cable 14 is connected to hole for hoist B42 through two shackles.
The both sides of sampler body mount pad 48 of this embodiment all are equipped with the rotation lug 6 that is used for retrieving, and every side rotates the one end of lug 6 and rotates with the rolling disc 8 on the sampler body mount pad 48 and is connected, and the other end of rotating lug 6 is equipped with rotation lewis hole 7, and both sides rotate and pass through bolted connection between the rotatory lewis hole 7 of lug 6 for retrieve.
The sampler body mounting seat 48 of this embodiment is an upper end surface connecting portion of the sampler body 46, and the upper end head guide pulley block 28 is mounted inside the sampler body mounting seat 48. One end of release cable 14 passes between the upper head guide pulley block 28 and sampler body mounting 48 and is connected to lifting hole B42 on the quarter-turn disc 4 via two shackles 10. As shown in fig. 1, fig. 2, fig. 4, fig. 6A to 6B, and fig. 7A to 7D, the upper head guide pulley block 28 of the present embodiment includes a guide pulley seat, a pulley block shaft 29, and a pulley block fixing bolt 35, one end of the guide pulley seat is fixed on the sampler body mounting seat 48, the other end is connected to the pulley block shaft 29 through the pulley block fixing bolt 35, and a pulley is provided on the pulley block shaft 29. The guide pulley seat of the embodiment comprises a guide pulley seat base 37 and guide pulley seat side plates 36, wherein a guide pulley block fixing hole 38 is formed in the guide pulley seat base 37, the guide pulley seat base 37 is fixedly connected with a sampler body mounting seat 48 through the guide pulley block fixing hole 38 by a bolt, two guide pulley seat side plates 36 are vertically arranged on the guide pulley seat base 37, and each guide pulley seat side plate 36 is provided with two guide pulley mounting holes up and down, namely a guide pulley mounting hole A39 and a guide pulley mounting hole B40, for clamping two guide pulleys; the pulley set shaft 29 is a stepped shaft and is axially divided into a pulley stress shaft 30, a pulley block outer ring 32 and a pulley block inner ring 33, the pulley block inner ring 33 plays a role of a guide pulley, the pulley block outer ring 32 with the diameter larger than that of the pulley block inner ring 33 is arranged on each of two sides of the pulley block inner ring 33, the release steel cable 14 slides in the pulley block inner ring 33 and is limited by the pulley block outer ring 32, and the release steel cable 14 is prevented from exceeding a sliding area; the pulley stressed shaft 30 is arranged on the outer side of the pulley block outer ring 32, the pulley stressed shaft 30 penetrates through a guide pulley mounting hole in a guide pulley seat side plate 36 and is fixed with the guide pulley seat through a pulley block fixing bolt 35, and the outer surface of the pulley block outer ring 32 is abutted to the inner surface of the guide pulley seat side plate 36.
The four guide pulleys of this embodiment are uniformly arranged along the height direction from top to bottom on one side of the outer surface of the sampler body 46, and are respectively guide pulley a15, guide pulley B16, guide pulley C17 and guide pulley D18, and the four guide pulleys are respectively fixed on the sampler body 45 through a guide pulley mounting base 19. One end of the release steel cable 14 is connected with a hoisting hole B42 on the four-corner rotary ring 4 through two shackles 10, the other end is wound by four guide pulleys, and the release steel cable 14 between two adjacent guide pulleys is arc-shaped and can store the release steel cable below 10 m.
The drain pipe 23 of this embodiment is provided with a drain guide pulley block 50 at a position where the release wire rope 14 penetrates, and a plurality of drain holes 24 for draining water flow when the piston 26 is lifted up are uniformly opened on the drain pipe 23 along the height direction. The release wire rope 14 passes through the upper head guide pulley block 28, the guide pulley a15, the guide pulley B16, the guide pulley C17, the guide pulley D18, and the drain guide pulley block 50 in this order, passes through the drain 23 and the sample tube 47, and is connected to the piston 26.
The drain 23 of this embodiment is provided with a drain blocking step 51 inside, and the piston 26 is prevented from lifting up by this drain blocking step 51 when the release mechanism is retracted.
The invention discloses a releasing method of a deep-water visual controllable light sediment column sampling system releasing mechanism, which comprises the following steps: the sampler control communication unit 45 detects the conditions of the sea bottom height and the bottom material through the altimeter 21 and the downward-looking camera 22, controls the release oil cylinder 27 to complete the release action, controls the tamping action of the hammer body unit 20 through the sampler to complete the sampling work after the release, and fully utilizes the kinetic energy and the deep sea hydraulic hammer tamping double-power combination in the process. The method comprises the following specific steps:
firstly, a release mechanism is assembled before release, after the mechanism is lowered to the sea bottom, a shore end control unit (the shore end control unit of the invention is the prior art) on a scientific investigation ship transmits signals through a ship communication steel cable 1, a communication soft cable 52 and a communication end 11 to a sampler control communication unit 45, numerical values of an altimeter 21 and a downward-looking camera 22 are observed, a data bottom position and a bottom material condition are determined through the altimeter 21 and the downward-looking camera 22, and the sampler control communication unit 45 is transmitted to the shore end control unit;
step two, according to the preset release height, after the sampler control communication part 45 receives a release command of the shore end control unit, the release oil cylinder 27 is controlled to be pulled and released, and the rotating shaft 9 between the hoisting hole C43 on the quadrangular disc rotary ring 4 and the sampler body mounting seat 48 is pulled back along with the release oil cylinder 27, so that the quadrangular disc rotary ring 4 is separated from the sampler body mounting seat 48;
thirdly, the sampler body 46, the drain pipe 23, the sample pipe 47 and the tool bit 26 are lowered by gravity after the four-corner disc rotating ring 4 is separated from the mounting seat 48 of the sampler body, the release steel cable 14 sequentially passes through the upper end head guide pulley block 28, the guide pulley A15, the guide pulley B16, the guide pulley C17, the guide pulley D18 and the drain pipe guide pulley block 50 to drive the piston 25 to withdraw, and the tool bit 26 and the sample pipe 47 are sequentially inserted into the submarine sediments; this embodiment releases the wireline 14 in a straightened condition when the cutting head 26 is just above the seafloor sediment, as shown in figure 3;
fourthly, a shore end control unit ramming command transmits a signal through a ship communication steel cable 1 and reaches a sampler control communication unit 45 through a communication flexible cable 52 and a communication end 11, the sampler control communication unit 45 controls a sampler control hammer body unit 20 to hammer a sampler body 46, and meanwhile, the shore end control unit acquires sample introduction length and substrate video condition data through a height meter 21 and a downward-looking camera 22; the sampler controls the hammer unit 20 to ram the sampler body 46 once while the piston 25 is withdrawn once; stopping hammering action after the operation requirement is met;
step five, pulling back the ship communication steel cable 1 by using a winch on the scientific investigation ship to drive the bearing head 2 and the rotating ring 3 to lift upwards, pulling and releasing the steel cable 14 to drive the piston 25 to reach the drainage pipe blocking step 51, and driving the drainage pipe 23, the sampler body 46, the sample pipe 47 and the cutter head 26 to recover through the piston 25;
and step six, after the edge of the scientific investigation ship is recovered, the sampler body 46 is recovered by utilizing the bolts between the rotating lifting holes 7 on the rotating lifting lugs 6 at two sides, so that the operation is completed.
The invention uses the combination of the external gravity release mode and the power of the deep sea hydraulic hammer, namely the sampling process comprises two processes of gravity penetration in the early stage and tamping sampling in the later stage. The structure of the deep sea hydraulic hammer adopts an external gravity releasing mode, so that the manufacturing difficulty of the deep sea hydraulic hammer is greatly reduced, and the configuration of the hydraulic hammer tamping mechanism enables the sampler to complete the collection work of ultra-long, continuous and low-disturbance deep sea sediment columnar samples on the premise of not obviously increasing the self weight.
Claims (10)
1. A deep water visual controllable light sediment column sampling system release mechanism is characterized in that: comprises a ship communication steel cable (1), a bearing head (2), a rotating ring (3), a four-corner plate rotating ring (4), a rotating shaft (9), a communication end (11), an upward-looking camera (12), a release steel cable (14), a sampler control hammer body unit (20), a height gauge (21), a downward-looking camera (22), a drain pipe (23), a piston (25), a tool bit (26), a release oil cylinder (27), a sampler sealing cover (44), a sampler control communication unit (45), a sampler body (46), a sample tube (47) and a sampler body mounting seat (48), wherein the sampler body (46), the drain pipe (23), the sample tube (47) and the tool bit (26) are sequentially connected, the upper end of the sampler body (46) is in threaded connection with the sampler sealing cover (44), and the sampler control communication unit (45) and the sampler control hammer body unit (20) are respectively mounted inside the sampler body (46), the outer surface of the sampler body (46) is respectively provided with a height gauge (21) and a downward-looking camera (22); the top of the sampler sealing cover (44) is respectively provided with a sampler body mounting seat (48), an upward-looking camera (12) and a plurality of communication ends (11), and each communication end (11) is respectively connected with the sampler control communication unit (45); one end of the ship communication steel cable (1) is wound on a winch of a scientific investigation ship, the steel cable at the other end is connected with one end of the bearing head (2), a communication flexible cable (52) extending out of the bearing head (2) is connected with the sampler control communication unit (45) through a communication end (11), the other end of the bearing head (2) is hinged with one end of the rotating ring (3), and the other end of the rotating ring (3) is hinged with a four-angle disc rotating ring (4); the release oil cylinder (27) is mounted on the sampler body mounting seat (48), the output end of the release oil cylinder is connected with a rotating shaft (9), the four-angle disc rotating ring (4) is connected with the sampler body mounting seat (48) through the rotating shaft (9), and the rotating shaft (9) is separated from the sampler body mounting seat (48) after being driven and drawn out through the release oil cylinder (27); one end of the release steel cable (14) is connected to the four-angle disc rotating ring (4), and the other end of the release steel cable penetrates into the water discharge pipe (23) and is connected with a piston (25); the upward-looking camera (12), the altimeter (21) and the downward-looking camera (22) are respectively connected with the sampler control communication unit (45) through communication end heads (11).
2. The deep water visual controllable light sediment column sampling system release mechanism of claim 1, wherein: a drain pipe guide pulley block (50) is arranged at the position, through which the release steel cable (14) penetrates, on the drain pipe (23), and a plurality of drain holes (24) for draining water flow when the piston (26) is lifted up are uniformly formed in the drain pipe (23) along the height direction.
3. The deep water visual controllable light sediment column sampling system release mechanism of claim 1, wherein: the interior of the drain pipe (23) is provided with a drain pipe blocking step (51), and the piston (26) is prevented from lifting up through the drain pipe blocking step (51) when the release mechanism is recovered.
4. The deep water visual controllable light sediment column sampling system release mechanism of claim 1, wherein: a plurality of guide pulleys are evenly installed along the direction of height on one side of sampler body (46) surface, the one end of release steel cable (14) is passed through shackle (10) and is linked to each other with four corners dish change (4), and the other end is by each guide pulley walks around, between two adjacent guide pulleys release steel cable (14) are the arc.
5. The deep water visual controllable light sediment column sampling system release mechanism of claim 1, wherein: an upper end guide pulley block (28) is arranged on the sampler body mounting seat (48), and one end of the release steel cable (14) passes through the space between the upper end guide pulley block (28) and the sampler body mounting seat (48) and is connected with the four-corner disc rotary ring (4); the upper end head guide pulley block (28) comprises a guide pulley seat, a pulley block shaft (29) and a pulley block fixing bolt (35), one end of the guide pulley seat is fixed on the sampler body mounting seat (48), the other end of the guide pulley seat is connected with the pulley block shaft (29) through the pulley block fixing bolt (35), and a pulley is arranged on the pulley block shaft (29).
6. The deep water visual controllable light sediment column sampling system release mechanism of claim 5, wherein: the guide pulley seat comprises a guide pulley seat base (37) and guide pulley seat side plates (36), the guide pulley seat base (37) is fixedly connected with the sampler body mounting seat (48), two guide pulley seat side plates (36) are vertically arranged on the guide pulley seat base (37), and each guide pulley seat side plate (36) is provided with a guide pulley mounting hole; pulley block axle (29) are the step shaft, divide into pulley atress axle (30), assembly pulley outer ring (32) and assembly pulley inner ring (33) along the axial, and the both sides of this assembly pulley inner ring (33) all are equipped with the assembly pulley outer ring (32) that the diameter is greater than assembly pulley inner ring (33), release steel cable (14) slide in assembly pulley inner ring (33), and pass through assembly pulley outer ring (32) are spacing, and the outside of this assembly pulley outer ring (32) is pulley atress axle (30), pulley atress axle (30) by guide pulley mounting hole on direction pulley seat curb plate (36) passes to it is fixed with the direction pulley seat through assembly pulley fixing bolt (35), the surface butt of assembly pulley outer ring (32) and the internal surface of direction pulley seat curb plate (36).
7. The deep water visual controllable light sediment column sampling system release mechanism of claim 1, wherein: the sampler comprises a sampler body mounting seat (48), wherein rotating lifting lugs (6) for recycling are arranged on two sides of the sampler body mounting seat (48), one end of each rotating lifting lug (6) is rotatably connected with a rotating disc (8) on the sampler body mounting seat (48), and a rotating lifting hole (7) is formed in the other end of each rotating lifting lug (6).
8. The deep water visual controllable light sediment column sampling system release mechanism of claim 1, wherein: the communication flexible cable (52) is wound in front of the upper part of the sampler body (46) and then is connected with the communication end head (11).
9. The deep water visual controllable light sediment column sampling system release mechanism of claim 1, wherein: the four-corner disc rotating ring (4) is square, four sides are both concave arcs, four corners are fillets, and a four-corner disc rotating hole (5) is formed in each corner.
10. A method of releasing a deep water visual controllable light sediment column sampling system release mechanism as claimed in any one of claims 1 to 9, characterized in that: the sampler control communication unit (45) detects the conditions of the height and the bottom of the sea according to the height of the sea and the bottom through the height gauge (21) and the downward-looking camera (22), controls the release oil cylinder (27) to complete the release action, and controls the tamping action of the hammer body unit (20) to complete the sampling work through the sampler after the release, and the method specifically comprises the following steps:
after the release mechanism is lowered to the sea bottom, a shore end control unit on a scientific investigation ship transmits signals through a ship communication steel cable (1), a communication flexible cable (52) and a communication end (11) to a sampler control communication unit (45), the altimeter (21) and a downward-looking camera (22) determine the bottom position and the bottom quality condition, and the sampler control communication unit (45) transmits the signals to the shore end control unit;
step two, according to a preset release height, after the sampler control communication part (45) receives a release command of a shore end control unit, the release oil cylinder (27) is controlled to be pulled and released, and a rotating shaft (9) between the quadrangular disc rotary ring (4) and the sampler body mounting seat (48) is pulled back along with the release oil cylinder (27) to complete the separation of the quadrangular disc rotary ring (4) from the sampler body mounting seat (48);
thirdly, the sampler body (46), the drain pipe (23), the sample tube (47) and the tool bit (26) are lowered by gravity after the four-corner disc rotating ring (4) is separated from the mounting seat (48) of the sampler body, the release steel cable (14) drives the piston (25) to withdraw, and the tool bit (26) and the sample tube (47) are sequentially inserted into the seabed sediments;
fourthly, the shore end control unit transmits a signal through a ship communication steel cable (1) to reach a sampler control communication unit (45) through a communication flexible cable (52) and a communication end (11), the sampler control communication unit (45) controls the sampler control hammer body unit (20) to carry out hammering action on the sampler body (46), meanwhile, the shore end control unit obtains sample introduction length and substrate video condition data through a height meter (21) and a downward-looking camera (22), and when the operation requirement is met, the hammering action is stopped;
step five, a ship winch on a scientific investigation ship is used for pulling back the ship communication steel cable (1) to drive the bearing head (2) and the rotating ring (3) to lift upwards, the release steel cable (14) is pulled to drive the piston (25), and the piston (25) drives the drain pipe (23), the sampler body (46), the sample pipe (47) and the cutter head (26) to recover;
and sixthly, after the edge of the scientific investigation ship is recovered, recovering the sampler body (46) to complete the operation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010400983.3A CN111521435A (en) | 2020-05-13 | 2020-05-13 | Deep water visual controllable light sediment columnar sampling system release mechanism and method |
| PCT/CN2021/091831 WO2021227911A1 (en) | 2020-05-13 | 2021-05-06 | Release mechanism and method for deepwater visual and controllable light-sediment columnar sampling system |
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| CN202010400983.3A CN111521435A (en) | 2020-05-13 | 2020-05-13 | Deep water visual controllable light sediment columnar sampling system release mechanism and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227911A1 (en) * | 2020-05-13 | 2021-11-18 | 中国科学院海洋研究所 | Release mechanism and method for deepwater visual and controllable light-sediment columnar sampling system |
| CN113804503A (en) * | 2021-09-26 | 2021-12-17 | 自然资源部第二海洋研究所 | Seabed sediment and water body timing sampling system and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115468799B (en) * | 2022-09-17 | 2024-06-04 | 国家深海基地管理中心 | Sampling device for rapid testing of deep sea sediment geotechnical parameters |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201716214U (en) * | 2010-07-02 | 2011-01-19 | 中国科学院海洋研究所 | Deepwater visual controllable super-long gravity piston type sampling device |
| CN103115798B (en) * | 2011-11-17 | 2015-03-11 | 中国科学院海洋研究所 | Visible and controllable overlong gravity piston type sampling system in deep water |
| CN202531072U (en) * | 2012-04-25 | 2012-11-14 | 西南石油大学 | Visual hydraulic piling sampling device for deep-sea sampling |
| JP5863040B2 (en) * | 2012-05-22 | 2016-02-16 | 応用地質株式会社 | Underwater floating mud collection equipment |
| JP6371265B2 (en) * | 2015-08-27 | 2018-08-08 | 国立大学法人福島大学 | Underwater mobile columnar mud extractor, columnar mud extractor and underwater exploration device |
| CN106813940B (en) * | 2015-12-02 | 2023-06-09 | 中国科学院海洋研究所 | Cylindrical sampler for submarine sediment exploration |
| CN105424406B (en) * | 2015-12-15 | 2018-12-04 | 武汉浩瀚机电设备有限公司 | A kind of visual biserial coring apparatus for deep earth sampling |
| CN111521435A (en) * | 2020-05-13 | 2020-08-11 | 中国科学院海洋研究所 | Deep water visual controllable light sediment columnar sampling system release mechanism and method |
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2020
- 2020-05-13 CN CN202010400983.3A patent/CN111521435A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227911A1 (en) * | 2020-05-13 | 2021-11-18 | 中国科学院海洋研究所 | Release mechanism and method for deepwater visual and controllable light-sediment columnar sampling system |
| CN113804503A (en) * | 2021-09-26 | 2021-12-17 | 自然资源部第二海洋研究所 | Seabed sediment and water body timing sampling system and method |
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| WO2021227911A1 (en) | 2021-11-18 |
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