CN113029678A - Deepwater bottom sediment sampling device - Google Patents
Deepwater bottom sediment sampling device Download PDFInfo
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- CN113029678A CN113029678A CN202110399610.3A CN202110399610A CN113029678A CN 113029678 A CN113029678 A CN 113029678A CN 202110399610 A CN202110399610 A CN 202110399610A CN 113029678 A CN113029678 A CN 113029678A
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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
- G01N1/12—Dippers; Dredgers
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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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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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 discloses a deepwater bottom sediment sampling device which is characterized by comprising a horizontal plate-shaped mounting platform, wherein a sampling mechanism is arranged at the lower end of the mounting platform, the sampling mechanism comprises a pair of sampling hoppers which are bilaterally symmetrical and can be opened and closed, a rope is upwards connected with the middle part of the upper end of the mounting platform, a hydraulic cylinder is fixedly arranged in the middle part of the upper end of the mounting platform, the hydraulic cylinder is provided with a downwards arranged telescopic arm, the telescopic arm movably penetrates through the mounting platform to be connected with the sampling mechanism and used for controlling the opening and closing of the sampling hoppers, a hydraulic oil tank is fixedly arranged at the upper end of the mounting platform, and a hydraulic pump is arranged in the. The invention has the advantages of more convenient and fast sampling, high efficiency, good controllability, good protection effect of the sampling object and the like.
Description
Technical Field
The invention relates to the technical field of deepwater sampling, in particular to a deepwater bottom sediment sampling device.
Background
Pollutants which pollute the environment due to human activities are always discharged into the water body finally, so that the water body pollution is caused. Along with the progress of society and the improvement of environmental protection consciousness of people. How to protect the water environment becomes a problem which is more and more emphasized by people. The research on the water environment protection needs to firstly research the water environment and sometimes needs to carry out sampling research on the environment, organisms and the like at the bottom of the water body.
When the water environment is shallow, the sampling can be directly and manually carried out, but when the water environment is deep (more than 20 meters), the sampling of sediment at the bottom of deep water, including silt and partial solid organisms, is difficult to solve.
In the prior art, sampling of silt at the bottom of deep water is realized, and sampling is realized by adopting a mode that pipeline equipment is inserted and then is sucked or is lifted after the pipeline equipment is plugged into the silt. The construction depth is still limited in the first mode, and the horizontal layering condition of sediment is easily damaged in the second mode, so that the method is not beneficial to research.
CN201821714182.9 has disclosed a detachable deep water sediment sampler, which comprises a rope, the bottom of rope is connected with solid rope ware, the one end of solid rope ware is connected with the fixed axle, be connected with fixed subassembly on the fixed axle, fixed subassembly comprises two sets of fixed staple bolts, and the fixed plate, fixed staple bolt all is C type structure, and the C type opening both ends of fixed staple bolt all weld the fixed plate, and are connected with set screw between the fixed plate, the connecting rod has all been welded to one side that open-ended was kept away from to fixed staple bolt, the bottom of connecting rod is connected with the mounting panel, the welding of bottom of mounting panel has fixed frame, and the bottom of fixed frame is connected with the pivot, and fixed frame is connected with two sets of sampling grab buckets through the pivot, all is connected with the stay cord on the. The device can rely on the rope to put into darker bottom down, realizes the sampling of bottom silt. But still has the defects of inconvenient control and poor silt sampling effect. Meanwhile, the device is not beneficial to sampling of some solid organisms such as coral, shellfish, fish bones and other objects, and the solid sampling objects are easily crushed or damaged by a pure grab type sampling mode, so that research is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: provided is a deep water bottom sediment sampling device which can improve sampling convenience and reliability and improve the protection effect on a sampling object.
In order to solve the technical problems, the invention adopts the following technical scheme:
the deep water bottom sediment sampling device is characterized by comprising a horizontal flat-plate-shaped mounting platform, wherein a sampling mechanism is arranged at the lower end of the mounting platform and comprises a pair of sampling hoppers which are bilaterally symmetrical and can be opened and closed, a rope is upwards connected with the middle part of the upper end of the mounting platform, a hydraulic cylinder is fixedly arranged at the middle part of the upper end of the mounting platform and is provided with a telescopic arm which is downwards arranged, the telescopic arm movably penetrates through the mounting platform to be connected with the sampling mechanism and is used for controlling the opening and closing of the sampling hoppers, a hydraulic oil tank is fixedly arranged at the upper end of the mounting platform, and a hydraulic pump is arranged in the hydraulic.
Like this, the during operation is put the submarine in the waters of treating the sampling with cable down with sampling device for the sampling is fought and is sunk and is embedded into silt, then closes up through the flexible arm control sampling fill of pneumatic cylinder, then the surface of water is promoted out to rethread cable, can accomplish silt sampling. Therefore, the device realizes the opening and closing control of the sampling hopper through the hydraulic cylinder, the sampling is more convenient and reliable, and the realization of deep water sampling is facilitated.
Furthermore, an electric bin is arranged above the mounting platform and is connected with the hydraulic pump to realize electric control.
Therefore, the electrical control module in the electrical bin can realize electrical control more conveniently.
Further, the electric bin and the hydraulic oil tank are respectively fixed on the left side and the right side of the mounting platform.
This can better ensure gravity balance.
Furthermore, the sampling device also comprises an attitude sensor, and the attitude sensor is connected with the electric bin.
Therefore, position signals such as the three-dimensional posture, the direction and the like of the device can be fed back through the arranged posture sensor, and the position of the sampling device which is placed down can be fed back better in real time.
Furthermore, sampling device still includes the subassembly of making a video recording, and the subassembly of making a video recording is including camera and the light that sets up side by side, and camera and light all link to each other with the electrical bin.
Like this, can shoot in real time through the camera that sets up and observe submarine environment situation image, greatly improve sampling control's convenience and pertinence like this. Meanwhile, the shooting data of the camera and the spatial position data collected by the state sensor are combined, so that workers can virtually reduce and draw the real situation of the three-dimensional spatial environment at the bottom of the water body in a computer, and the underwater environment is more favorably researched and investigated.
Furthermore, the attitude sensor is arranged in an attitude bin, and the attitude bin and the camera shooting assembly are respectively arranged and fixed on the left sampling hopper and the right sampling hopper.
Like this, can gather the position that obtains the sampling fill better and the submarine condition near, conveniently realize sampling control better, set up respectively simultaneously about be favorable to the balance of device on the sampling fill.
Further, still install the vibrator on the mounting platform, the direction of vibration of vibrator sets up along vertical.
Like this, after the sampling fill contacts submarine silt, treat that the rope transfers a section distance again, then can start the vibrator, adopt the mode of vibration from top to bottom for the sampling fill lower extreme that is open state can insert silt better initiative, then close the vibrator, fight through pneumatic cylinder control sampling and fold, excavate silt to the sampling fill in, the rope of controlling again is pulled up, accomplishes the silt sampling. Can solve sampling device and adopt the rope to transfer, do not support, lead to the unable initiative application of force of sampling fill to excavate for the not enough problem of silt sampling depth. Greatly improves the depth of silt sampling and the sampling effect.
Further, the vibrator is fixed in the middle of the lower end of the mounting platform. This allows a better utilization of the vibration effect to apply a downward force to the device.
As an optimized mounting structure, in the sampling mechanism, the outer side positions of the upper ends of two sampling hoppers extend upwards to form a hopper handle, the upper ends of the hopper handles are hinged to two mounting lugs extending downwards on the two sides of the lower surface of a mounting platform, the upper end surfaces of the two sampling hoppers are also provided with a connecting lug in an upward extending mode, the connecting lugs are hinged to the lower end of a push rod, the upper ends of the push rods are hinged to the two ends of a horizontal rod arranged horizontally, and the middle of the horizontal rod is fixed to the lower end of a telescopic arm of a hydraulic cylinder; the opening surfaces of the two sampling buckets are vertically arranged relatively (the opening surfaces are vertical when the sampling buckets are closed), when the hydraulic cylinder telescopic arms extend out, the two sampling buckets can be pushed by the push rod to be in an open state (the opening surfaces of the sampling buckets are splayed at the moment), and after the hydraulic cylinder telescopic arms retract, the two sampling buckets can be pulled to be in a closed state (the opening surfaces of the sampling buckets are closed and buckled at the moment).
Like this, the sampling fill adopts articulated structure for when the flexible arm of pneumatic cylinder stretches out, can make the sampling fill be the splayed and outwards open, the sampling fill lower extreme opens the area bigger like this, can gather more silt when foling.
Furthermore, a limiting block extends downwards obliquely from the outer side of the mounting support lug.
The stopper can open the angle to open of two sampling fill like this and carry on spacingly, stretch out to drive two sampling fill when the flexible arm of pneumatic cylinder opens to dipper and stopper and pastes spacingly mutually, two push rods still are the decurrent splayed in outer end this moment, the push rod rotates and has not crossed horizontal position yet, this moment under the flexible arm thrust effect of pneumatic cylinder, two sampling fill are stable state of opening, make under the effect of vibrator, the sampling fill lower extreme can be embedded into silt downwards better, can avoid the sampling fill to get off the gyration at the vibration effect and move and lead to reducing the embedding effect.
As another optimized mounting structure, in the sampling mechanism, the upper ends of two sampling hoppers extend upwards to form a hopper handle, the upper ends of the hopper handles are slidably clamped on slide rails arranged on the lower surface of the mounting platform along the left-right direction, the inner sides of the lower ends of the hopper handles are further provided with a connecting support lug in an inward horizontal extending manner, the connecting support lugs are respectively hinged with the end parts of a push rod, the other ends of the push rods are hinged with the two ends of a horizontal rod arranged horizontally, and the middle part of the horizontal rod is fixed with the lower end of a telescopic arm of a; the opening surfaces of the two sampling hoppers are vertically arranged relatively, and the two sampling hoppers can be pulled to be in a folding state after the hydraulic cylinder telescopic arms retract.
Like this, the sampling fill adopts horizontal slip's structural style, and when the sampling fill was opened the state, the opening side was vertical setting, and unanimous with vibrator vertical vibration application of force direction, when making it be used for silt sampling, the effect of vibrator down the fill lower extreme can be embedded into silt better in, avoid the vibration to the interference of silt, keep the horizontal lamellar structure of sampling silt better, improve the sampling effect. Meanwhile, when the hydraulic cylinder telescopic arm retracts, the sampling hopper is driven to horizontally slide to realize folding, so that the horizontal layer of the silt can be better kept in horizontal folding, and the horizontal layer structure of the silt is prevented from being damaged in a hinged folding mode. Meanwhile, when the sampling device is used for sampling solid objects such as corals, fishbones and shellfishes, the integrity of the sampling object can be better ensured in a horizontal folding mode, and the sampling object is prevented from being broken due to unbalanced stress in a hinged folding mode.
Further, the lower ends of the two sampling hoppers are of a downward acute angle structure.
Like this, do benefit to the sampling fill more and can imbed in silt down under the effect of vibrator, accomplish silt sampling better.
Further, still including two sets of breakable solid article sampling auxiliary module, breakable solid article sampling auxiliary module includes a installing frame, and the installing frame can imbed the installation and fix the sampling fill opening side, and the installing frame inboard is provided with the soft package of a flexible centre gripping, and the soft package of centre gripping is inside to be filled with magnetorheological suspensions, still is provided with solenoid in the installing frame of the soft package of centre gripping relative both sides.
Like this, when being used for fragile solid article sampling such as coral and fish bone, can install auxiliary module on the sampling fill, rely on the soft package of centre gripping to fold the cladding and live the sampling object during the sampling, then control opens the solenoid switch and produces the electromagnetic field, and magnetorheological suspensions becomes hard under the electromagnetic field effect, keeps the sampling object position, then puts the device out of the water, closes the solenoid switch and opens the sampling fill, accomplishes the sampling. Therefore, the sample object can be prevented from being broken and damaged in the sampling process, and the sampling of the fragile solid object can be perfectly finished.
In conclusion, the method and the device have the advantages of being convenient and fast to sample, efficient, good in controllability, good in protection effect of the sampled object and the like.
Drawings
Fig. 1 is a schematic structural diagram of a first sampling device in implementation.
Fig. 2 is a schematic structural diagram of a second sampling device in implementation.
Fig. 3 is a schematic structural diagram of a fragile solid object sampling auxiliary module in implementation.
Fig. 4 is a side view of fig. 3.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
The first embodiment is as follows: as shown in fig. 1, the deepwater bottom sediment sampling device comprises a horizontal flat-plate-shaped mounting platform 1, a sampling mechanism is arranged at the lower end of the mounting platform 1, the sampling mechanism comprises a pair of sampling buckets 2 which are bilaterally symmetrical and can be opened and closed, a rope 3 is upwards connected to the middle of the upper end of the mounting platform 1, a hydraulic cylinder 4 is fixedly arranged at the middle of the upper end of the mounting platform 1, the hydraulic cylinder 4 is provided with a downward telescopic arm 5, the telescopic arm 5 movably penetrates through the mounting platform to be connected with the sampling mechanism and is used for controlling the opening and closing of the sampling buckets 2, a hydraulic oil tank 6 is fixedly arranged at the upper end of the mounting platform 1, and a hydraulic pump is arranged in the.
Like this, the during operation is put the submarine in the waters of treating the sampling with cable down with sampling device for the sampling is fought and is sunk and is embedded into silt, then closes up through the flexible arm control sampling fill of pneumatic cylinder, then the surface of water is promoted out to rethread cable, can accomplish silt sampling. Therefore, the device realizes the opening and closing control of the sampling hopper through the hydraulic cylinder, the sampling is more convenient and reliable, and the realization of deep water sampling is facilitated.
Wherein, the installation platform 1 top still is provided with electric storehouse 7, and electric storehouse 7 links to each other and realizes electrical control with the hydraulic pump.
Therefore, the electrical control module in the electrical bin can realize electrical control more conveniently.
Wherein, electrical bin 7 and hydraulic tank 6 are fixed respectively in the left and right sides of mounting platform.
This can better ensure gravity balance.
Wherein, sampling device still includes attitude sensor, and attitude sensor links to each other with the electrical bin.
Therefore, position signals such as the three-dimensional posture, the direction and the like of the device can be fed back through the arranged posture sensor, and the position of the sampling device which is placed down can be fed back better in real time.
Wherein, sampling device still includes the subassembly of making a video recording, and the subassembly of making a video recording is including camera 9 and light 10 that set up side by side, and camera 9 and light 10 all link to each other with electric storehouse.
Like this, can shoot in real time through the camera that sets up and observe submarine environment situation image, greatly improve sampling control's convenience and pertinence like this. Meanwhile, the shooting data of the camera and the spatial position data collected by the state sensor are combined, so that workers can virtually reduce and draw the real situation of the three-dimensional spatial environment at the bottom of the water body in a computer, and the underwater environment is more favorably researched and investigated.
Wherein, attitude sensor installs in an attitude storehouse 8, and attitude storehouse 8 and the subassembly of making a video recording are installed respectively and are fixed on controlling two sampling fill.
Like this, can gather the position that obtains the sampling fill better and the submarine condition near, conveniently realize sampling control better, set up respectively simultaneously about be favorable to the balance of device on the sampling fill.
Wherein, still install vibrator 11 on the mounting platform 1, the direction of vibration of vibrator 11 sets up along vertical.
Like this, after the sampling fill contacts submarine silt, treat that the rope transfers a section distance again, then can start the vibrator, adopt the mode of vibration from top to bottom for the sampling fill lower extreme that is open state can insert silt better initiative, then close the vibrator, fight through pneumatic cylinder control sampling and fold, excavate silt to the sampling fill in, the rope of controlling again is pulled up, accomplishes the silt sampling. Can solve sampling device and adopt the rope to transfer, do not support, lead to the unable initiative application of force of sampling fill to excavate for the not enough problem of silt sampling depth. Greatly improves the depth of silt sampling and the sampling effect.
Wherein, the vibrator 11 is fixed at the middle position of the lower end of the mounting platform 1. This allows a better utilization of the vibration effect to apply a downward force to the device.
In the sampling mechanism of the sampling device, the outer side positions of the upper ends of two sampling hoppers extend upwards to form a hopper handle 12, the upper ends of the hopper handles 12 are hinged to two mounting support lugs 13 which extend downwards on two sides of the lower surface of a mounting platform, respectively, the upper end surfaces of the two sampling hoppers are also provided with a connecting support lug 14 in an upward extending mode, the connecting support lugs are hinged to the lower ends of push rods 15, the upper ends of the push rods are hinged to two ends of a horizontal rod 16 which is horizontally arranged, and the middle part of the horizontal rod 16 is fixed to the lower end of a telescopic arm of; the opening surfaces of the two sampling buckets are vertically arranged relatively (the opening surfaces are vertical when the sampling buckets are closed), when the hydraulic cylinder telescopic arms extend out, the two sampling buckets can be pushed by the push rod to be in an open state (the opening surfaces of the sampling buckets are splayed at the moment), and after the hydraulic cylinder telescopic arms retract, the two sampling buckets can be pulled to be in a closed state (the opening surfaces of the sampling buckets are closed and buckled at the moment).
Like this, the sampling fill adopts articulated structure for when the flexible arm of pneumatic cylinder stretches out, can make the sampling fill be the splayed and outwards open, the sampling fill lower extreme opens the area bigger like this, can gather more silt when foling.
Wherein, the outer side of the mounting lug 13 extends downwards obliquely to form a limiting block 17.
The stopper can open the angle to open of two sampling fill like this and carry on spacingly, stretch out to drive two sampling fill when the flexible arm of pneumatic cylinder opens to dipper and stopper and pastes spacingly mutually, two push rods still are the decurrent splayed in outer end this moment, the push rod rotates and has not crossed horizontal position yet, this moment under the flexible arm thrust effect of pneumatic cylinder, two sampling fill are stable state of opening, make under the effect of vibrator, the sampling fill lower extreme can be embedded into silt downwards better, can avoid the sampling fill to get off the gyration at the vibration effect and move and lead to reducing the embedding effect.
The second embodiment is as follows: as shown in fig. 2, the deep water bottom sediment sampling device in the present embodiment is different from the device in fig. 1 only in the structure of the sampling mechanism (the structure of the rest parts is the same and will not be described again, the structure of the same part includes a mounting platform 1, sampling buckets 2, a cable 3, a hydraulic cylinder 4, a telescopic arm 5, a hydraulic oil tank 6, an electric bin 7, a posture bin 8, a camera 9, a light 10 and a vibrator 11), in the sampling mechanism of the sampling device, the upper ends of the two sampling buckets are respectively provided with a bucket handle 12 extending upwards, the upper ends of the bucket handles 12 are horizontally slidably clamped on a slide rail 13 arranged along the left-right direction on the lower surface of the mounting platform 1, the inner sides of the lower ends of the bucket handles are further provided with a connecting lug 14 extending inwards horizontally, the connecting lug 14 is hinged to the end of a push rod 15, the other end of the push rod 15 is hinged to both, the middle part of the cross rod 16 is fixed with the lower end of the hydraulic cylinder telescopic arm 5; the opening surfaces of the two sampling hoppers 2 are vertically arranged relatively, and the two sampling hoppers can be pulled to be in a folding state after the hydraulic cylinder telescopic arms retract.
Like this, the sampling fill adopts horizontal slip's structural style, and when the sampling fill was opened the state, the opening side was vertical setting, and unanimous with vibrator vertical vibration application of force direction, when making it be used for silt sampling, the effect of vibrator down the fill lower extreme can be embedded into silt better in, avoid the vibration to the interference of silt, keep the horizontal lamellar structure of sampling silt better, improve the sampling effect. Meanwhile, when the hydraulic cylinder telescopic arm retracts, the sampling hopper is driven to horizontally slide to realize folding, so that the horizontal layer of the silt can be better kept in horizontal folding, and the horizontal layer structure of the silt is prevented from being damaged in a hinged folding mode. Meanwhile, when the sampling device is used for sampling solid objects such as corals, fishbones and shellfishes, the integrity of the sampling object can be better ensured in a horizontal folding mode, and the sampling object is prevented from being broken due to unbalanced stress in a hinged folding mode.
Wherein, two sampling fill lower extremes are decurrent acute angle structure.
Like this, do benefit to the sampling fill more and can imbed in silt down under the effect of vibrator, accomplish silt sampling better.
In addition, during the implementation, in the sampling device of fig. 1 and fig. 2, two sets of fragile solid object sampling auxiliary modules can be added, refer to fig. 3 and fig. 4, the fragile solid object sampling auxiliary modules include a mounting frame 18, the mounting frame 18 can be embedded, installed and fixed to the opening side of the sampling hopper, a flexible clamping soft package 19 is arranged on the inner side of the mounting frame, magnetorheological fluid is filled in the clamping soft package, and electromagnetic coils 20 are further arranged in the mounting frames on the two opposite sides of the clamping soft package.
Like this, when being used for fragile solid article sampling such as coral and fish bone, can install auxiliary module on the sampling fill, rely on the soft package of centre gripping to fold the cladding and live the sampling object during the sampling, then control opens the solenoid switch and produces the electromagnetic field, and magnetorheological suspensions becomes hard under the electromagnetic field effect, keeps the sampling object position, then puts the device out of the water, closes the solenoid switch and opens the sampling fill, accomplishes the sampling. Therefore, the sample object can be prevented from being broken and damaged in the sampling process, and the sampling of the fragile solid object can be perfectly finished.
Claims (10)
1. The deep water bottom sediment sampling device is characterized by comprising a horizontal flat-plate-shaped mounting platform, wherein a sampling mechanism is arranged at the lower end of the mounting platform and comprises a pair of sampling hoppers which are bilaterally symmetrical and can be opened and closed, a rope is upwards connected with the middle part of the upper end of the mounting platform, a hydraulic cylinder is fixedly arranged at the middle part of the upper end of the mounting platform and is provided with a telescopic arm which is downwards arranged, the telescopic arm movably penetrates through the mounting platform to be connected with the sampling mechanism and is used for controlling the opening and closing of the sampling hoppers, a hydraulic oil tank is fixedly arranged at the upper end of the mounting platform, and a hydraulic pump is arranged in the hydraulic.
2. The deep water bottom sediment sampling device of claim 1, wherein an electrical bin is further arranged above the mounting platform, and the electrical bin is connected with a hydraulic pump and is electrically controlled.
3. The deep water bottom sediment sampling device of claim 2, wherein the electrical bin and the hydraulic oil tank are respectively fixed on the left side and the right side of the mounting platform.
4. The deep water bottom sediment sampling device of claim 2, further comprising an attitude sensor, wherein the attitude sensor is connected to the electrical bin;
the sampling device further comprises a camera shooting assembly, the camera shooting assembly comprises a camera and light which are arranged side by side, and the camera and the light are connected with the electrical bin.
5. The deep water bottom sediment sampling device of claim 4, wherein the attitude sensor is installed in an attitude bin, and the attitude bin and the camera assembly are respectively installed and fixed on the left sampling bucket and the right sampling bucket.
6. The deep water bottom sediment sampling device of claim 4, wherein the mounting platform is further provided with a vibrator, and the vibration direction of the vibrator is vertically arranged.
7. The deep water bottom sediment sampling device of claim 6, wherein the vibrator is fixed at a position in the middle of the lower end of the mounting platform.
8. The deep water bottom sediment sampling device of claim 1, wherein: in the sampling mechanism, the outer side positions of the upper ends of two sampling hoppers extend upwards to form a hopper handle, the upper ends of the hopper handles are hinged to two mounting lugs which extend downwards on the two sides of the lower surface of a mounting platform, the upper ends of the two sampling hoppers also extend upwards to form a connecting lug, the connecting lugs are hinged to the lower end of a push rod, the upper ends of the push rods are hinged to the two ends of a horizontal rod which is horizontally arranged, and the middle part of the horizontal rod is fixed to the lower end of a telescopic arm of a hydraulic cylinder; the opening surfaces of the two sampling hoppers are vertically arranged relatively, the two sampling hoppers can be pushed to be in an opened state through the push rod when the hydraulic cylinder telescopic arm extends out, and the two sampling hoppers can be pulled to be in a closed state after the hydraulic cylinder telescopic arm retracts;
the outside slant downwardly extending of installation journal stirrup is provided with a stopper.
9. The deep water bottom sediment sampling device of claim 1, wherein in the sampling mechanism, the upper ends of two sampling hoppers extend upwards to form a hopper handle, the upper ends of the hopper handles are slidably clamped on slide rails arranged on the lower surface of the mounting platform in the left-right direction, the inner sides of the lower ends of the hopper handles are further provided with connecting support lugs extending inwards and horizontally, the connecting support lugs are respectively hinged with the end parts of a push rod, the other ends of the push rods are hinged with the two ends of a transverse rod arranged horizontally, and the middle part of the transverse rod is fixed with the lower end of a telescopic arm of a hydraulic cylinder; the opening surfaces of the two sampling hoppers are vertically arranged relatively, and the two sampling hoppers can be pulled to be in a folding state after the hydraulic cylinder telescopic arms retract.
10. The deep water bottom sediment sampling device according to claim 1, further comprising two sets of fragile solid object sampling auxiliary modules, wherein each fragile solid object sampling auxiliary module comprises an installation frame, the installation frame can be embedded, installed and fixed to the opening side of the sampling hopper, a flexible clamping soft bag is arranged on the inner side of the installation frame, magnetorheological fluid is filled in the clamping soft bag, and electromagnetic coils are further arranged in the installation frames on the two opposite sides of the clamping soft bag.
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| CN202110399610.3A CN113029678A (en) | 2021-04-14 | 2021-04-14 | Deepwater bottom sediment sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115184569A (en) * | 2022-06-30 | 2022-10-14 | 北方民族大学 | Underwater robot for river channel area water quality detection |
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