Device and method for collecting and screening biological samples in mud flat intertidal zone

Abstract

The invention relates to the technical field of beach intertidal zone biological sampling, and discloses a beach intertidal zone biological sample collecting and screening device and method.The beach intertidal zone biological sample collecting and screening device comprises a frame, beach intertidal zone biological samples can be sampled and collected, during sampling and collecting, the sampled samples can be screened and filtered, and silt in the samples can be filtered and removed; after filtration and removal, the filtered biological sample can be collected up and down, and filtration and collection at multiple positions can be realized; according to the cleaning and filtering device, cleaning can be achieved during filtering, water can be automatically supplemented, movable cleaning can be achieved during cleaning, cleaning is thorough, the cleaning and filtering process can be monitored, and the cleaning degree can be conveniently judged; according to the present invention, the device has characteristics of simple structure, easy operation, easy sample digging, easy filtration and screening, sample digging at a plurality of positions, movement on the mud flat, and sampling when the device moves to different positions.

Description

Technical Field

[0001] The invention belongs to the technical field of beach intertidal zone biological sampling, and specifically relates to a device and method for collecting and screening beach intertidal zone biological samples. Background Art

[0002] At present, intertidal zone biological sampling is mainly carried out through manual sampling, relying on investigators to walk to the survey site with sampling frames (25cm×25cm), shovels, shovels, sample sieves, buckets and other survey tools, manually dig mud / sand samples (length 25cm×width 25cm, depth 30cm), place them in a sieve (pore size 0.5 mm), and then carry them to the water. Two people carry the sieve and shake it back and forth, and continuously rinse the mud and sand samples with water for sieving. The various organisms remaining in the sieve are collected into sample bottles, and then several sample plots are dug repeatedly for multiple sieving. Finally, formaldehyde solution is added to the samples for fixation and taken back to the laboratory for analysis.

[0003] The sampling and screening process is very labor-intensive and time-consuming, and is difficult and inefficient. If the survey site is a muddy intertidal zone, it is very difficult to walk on the mudflats, and the siltation is very serious. It is also very difficult for investigators to reach the survey site, and they may get stuck in the mud. Severe siltation poses a serious threat to the safety of investigators. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a device and method for collecting and screening biological samples in intertidal zones of tidal flats, which effectively solves the problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for collecting and screening biological samples in tidal flats, comprising a frame, the rear part of the frame is connected to a box body through a universal joint, the box body is provided with a screening and collecting mechanism, the screening and collecting mechanism comprises a filtering and screening channel provided on the box body, the end wall of the filtering and screening channel is symmetrically provided with spring grooves, a screening filter plate is slidably connected between the end walls of the spring grooves, the spring grooves are inclined at a certain angle, the screening filter plate is inclined at a certain angle, a spring rod is connected to the end wall of the spring groove on one side, the spring rod The end of the spring rod away from the end wall of the spring groove is connected to the screening filter plate, and a reciprocating electric push rod is fixedly installed on the spring groove on the other side, and the power end of the reciprocating electric push rod is fixedly connected to the screening filter plate, and a discharge channel is processed through the end wall of the filtering and screening channel, and the box body at the lower edge of the discharge channel is fixedly connected with a derivation plate, and an electric turntable mounting frame is fixedly connected to the end wall of the box body on the lower side of the derivation plate, and an electric turntable mounting frame is rotatably connected to the upper part of the electric turntable mounting frame, and a collecting bottle is detachably connected to the upper circumferential array of the electric turntable.

[0006] Preferably, a moving mechanism is provided at the lower part of the frame, and the moving mechanism includes a moving support frame fixedly installed at the lower part of the frame, the end of the moving support frame is fixedly connected to a moving frame, a moving gear cavity is provided in the moving frame, a moving gear shaft is rotatably connected between the end walls of the moving gear cavity, the moving gear shaft is power-connected to a moving motor, the moving motor is fixedly installed in the moving frame, the moving gear is meshed with a crawler track, the crawler track is rotatably installed on the moving frame, and horizontal bars are evenly and fixedly connected to the outer surface of the crawler track.

[0007] Preferably, a cleaning mechanism is provided in the moving frame, and the cleaning mechanism includes a rotating cylinder cavity symmetrically provided in the moving frame, a bevel gear shaft is rotatably connected between the end walls of the rotating cylinder cavity, and the bevel gear shaft extends into the moving gear cavity, and the end of the bevel gear shaft in the moving gear cavity is fixedly connected to a driven bevel gear, and the driven bevel gear is meshed with an active bevel gear, and the active bevel gear is fixedly installed on the moving gear shaft, and a rotating cylinder is fixedly installed on the outer surface of the bevel gear shaft in the rotating cylinder cavity, and an annular groove is provided on the rotating cylinder, and a ball head slide rod is slidably connected in the annular groove, and the ball head slide rod is fixedly installed on one end of a push rod, and the push rod is slidably installed on the end wall of the rotating cylinder cavity, and a sliding cavity is machined on the moving frame, and the push rod extends into the sliding cavity, and the other end of the push rod is slidably connected with an impact sleeve, and a spring cavity is machined in the impact sleeve, and a spring is provided in the spring cavity, and the spring is connected to the push rod.

[0008] Preferably, the box body is connected to a sampling mechanism, and the sampling mechanism includes a lifting frame fixedly connected to the box body, a lifting screw rod rotatably connected to the lifting frame, the lifting screw rod is connected to the lifting motor power, the lifting motor is fixedly installed in the lifting frame, the lifting screw rod is threadedly connected to the lifting nut block, the lifting nut block is slidably installed on the lifting frame, the lifting nut block is rotatably connected to a steering shaft, the steering shaft is connected to the steering motor power, the steering motor is fixedly installed in the lifting nut block, and the outer surface of the steering shaft is fixed A rotating plate is connected, and the rotating plate is rotatably connected to the upper part of the lifting nut block. A stabilizing ring is connected between the rotating plate and the lifting nut block. A sampling electric push rod is fixedly connected to the lower part of the rotating plate. The power end of the sampling electric push rod is fixedly connected to a driving plate. Rotating grooves are symmetrically arranged on the driving plate. A rotating shaft is rotatably connected between the end walls of the rotating grooves. A rotating block is fixedly connected to the outer surface of the rotating shaft. A digging head is fixedly connected to the lower part of the rotating block. The digging head is hinged to the end of one side of the connecting rod, and the other end of the connecting rod is hinged to the outer surface of the sampling electric push rod.

[0009] Preferably, the box body is provided with a cleaning mechanism, and the cleaning mechanism includes a cleaning chute symmetrically provided on the box body, a cleaning screw is rotatably connected between the end walls of the cleaning chute, the cleaning screw is connected to the power of the cleaning motor, the cleaning motor is fixedly installed in the box body, the outer surface of the cleaning screw is threadedly connected with a cleaning nut block, the upper part of the cleaning nut block is fixedly connected with a cleaning rack, a water storage chamber is provided in the cleaning rack, and cleaning nozzles are evenly and fixedly connected to the bottom wall of the water storage chamber.

[0010] Preferably, the cleaning rack is connected to a water supply mechanism, the water supply mechanism includes a water pipe connected to the cleaning rack, the end of the water pipe away from the cleaning rack is fixedly connected to a water supply pump, the water supply pump is fixedly connected to a water tank, the water tank is fixedly installed on the frame, a water pump is fixedly connected to the upper part of the water tank, a water pump is connected to the water pump, the end of the water pipe away from the water pump is connected to a water pipe fixing frame, and the water pipe fixing frame is fixedly installed on the front part of the frame.

[0011] Preferably, a monitoring mechanism is provided on the washing rack, and the monitoring mechanism includes a monitoring fixing plate symmetrically fixedly connected to the washing rack, a monitoring camera is fixedly connected to the lower part of the monitoring fixing plate, a wide-angle camera is fixedly connected to the water tank, and an antenna is fixedly connected to the frame, the antenna is connected to the remote control device signal, the antenna is connected to the control processor signal, the control processor is arranged in the frame, and a corresponding control processing program is provided in the control processor.

[0012] Preferably, a closing mechanism is provided on the end wall of the discharge channel, and the closing mechanism includes a closed slide groove provided on the end wall of the discharge channel, a closed electric push rod is fixedly connected to the end wall of the closed slide groove, a closing plate is fixedly connected to the lower part of the closed electric push rod, and the closing plate is slidably installed between the end walls of the closed slide groove.

[0013] Preferably, support plates are symmetrically fixedly connected to the lower part of the box body, slide plates are fixedly connected between the support plates, and rollers are rotatably connected to the lower part of the support plates.

[0014] The present invention provides a method for collecting and screening biological samples in the intertidal zone of a tidal flat. Based on the above-mentioned device for collecting and screening biological samples in the intertidal zone of a tidal flat, the steps include: Step 1: The motion mechanism moves, thereby driving the frame to move, thereby driving the box to move to a position where sampling is required; Step 2: During the movement, the cleaning mechanism moves to remove the mud and sand adhering to the horizontal bar and the crawler track; Step 3: After the box moves to the sampling position, the sampling mechanism moves to dig out the silt, and the dug silt is placed on the screening filter plate; Step 4: The screening and collecting mechanism moves to screen the sediment on the screening filter plate, so that the sediment falls through the screening filter plate, and the desired organisms fall in the middle of the screening filter plate; Step 5: During screening and collection, the cleaning mechanism moves to clean the sediment and improve the efficiency of filtration and screening; Step 6: During cleaning, the water supply mechanism moves to supply water; Step 7: After the screening and cleaning is completed, the closing mechanism moves, so that the discharge channel is opened, so that the organisms on the screening filter plate pass through the outlet plate and enter the collection bottle for collection; Step 8: During screening and cleaning, the monitoring mechanism moves to monitor the screening and cleaning conditions.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a device for collecting and screening biological samples in the intertidal zone of tidal flats, which can realize sampling and collection of organisms in the intertidal zone. During sampling and collection, the sampled samples can be screened and filtered to remove the silt in the samples. After filtering and removing, the filtered biological samples can be collected from top to bottom, and filtering and collection at multiple positions can be realized.

[0016] 2. The present invention provides a device for collecting and screening biological samples in the intertidal zone of tidal flats, which can be cleaned during filtration and can automatically replenish water. During cleaning, mobile cleaning can be achieved, and the cleaning is relatively thorough. The cleaning and filtration processes can be monitored, which is convenient for judging the degree of cleaning.

[0017] 3. The present invention provides a device for collecting and screening biological samples in the intertidal zone of the tidal flat, which can realize the digging of samples, facilitate filtering and screening, and can realize the digging of samples at multiple positions, realizing movement on the tidal flat to move to different positions for sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0019] In the attached picture: Figure 1 This is a schematic diagram of the first direction structure of a device for collecting and screening biological samples in intertidal zones of tidal flats in the present invention; Figure 2It is a schematic diagram of the structure in the second direction of a device for collecting and screening biological samples in the intertidal zone of a tidal flat in the present invention; Figure 3 It is a schematic diagram of the third direction structure of a device for collecting and screening biological samples in the intertidal zone of a tidal flat in the present invention; Figure 4 It is a schematic diagram of the structure in the fourth direction of a device for collecting and screening biological samples in the intertidal zone of a tidal flat in the present invention; Figure 5 It is a schematic diagram of the fifth direction structure of a device for collecting and screening biological samples in tidal flats and intertidal zones of the present invention; Figure 6 It is a sixth structural diagram of a device for collecting and screening biological samples in tidal flats and intertidal zones according to the present invention; Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure at AA in the middle; Figure 8 for Figure 7 Schematic diagram of the cross-sectional structure at the middle BB; Fig. 9 for Figure 6 Schematic diagram of the cross-sectional structure at CC in the middle; Fig.10 for Fig. 9 Schematic diagram of the cross-sectional structure at DD in the middle; Fig.11 for Fig. 9 Schematic diagram of the enlarged structure at E in the middle; Fig.12 It is a schematic diagram of the combined structure of the motion mechanism, the screening and collecting mechanism and the sampling mechanism in the present invention; Fig.13 A schematic diagram of the structure of a cleaning mechanism in one direction of the present invention; Fig.14 It is another structural schematic diagram of the cleaning mechanism in the present invention.

[0020] In the figure: 1-frame, 2-water supply pump, 3-water tank, 4-water pump, 5-wide-angle camera, 6-water pump, 7-water pump fixing frame, 8-antenna, 9-motion support frame, 10-track, 11-cross bar, 12-motion frame, 13-universal joint, 14-box, 15-water pipe, 16-electric turntable, 17-collection bottle, 18-export plate, 19-lifting frame, 20-rotating plate, 21-driving plate, 22-connecting rod, 23-digging head, 25-lifting nut block, 26-cleaning chute, 27-cleaning screw rod, 28-screening filter plate, 29-cleaning frame, 30-reciprocating electric push rod, 31-lifting screw rod, 32-sampling electric push rod, 33-slide plate, 34-support plate, 35-monitoring fixed plate, 36-discharge channel, 37-water storage chamber, 38-cleaning nozzle, 39-spring groove, 40-spring rod, 41-steering motor, 42-steering shaft, 43-stabilizing ring, 44-monitoring camera, 45-closed slide groove, 46-closed electric push rod, 47-closing plate, 48-motion gear chamber, 49-motion gear, 50-motion gear shaft, 51-rotating drum chamber, 52-sliding chamber, 53-impact sleeve, 54-bevel gear shaft, 55-rotating drum, 56-ball head slide rod, 57-driven bevel gear, 58-active bevel gear, 59-pushing rod, 60-annular groove, 61-cleaning nut block, 62-spring, 63-spring chamber, 64-rotating groove, 65-rotating shaft, 66-filtration and screening channel, 67-rotating block, 68-electric turntable mounting bracket, 69-roller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] like Figure 1-14As shown, the present invention provides a biological sample collection and screening device for tidal flats and intertidal zones, wherein the components in the device are made of pressure-resistant, erosion-resistant and wear-resistant materials, including a frame 1, wherein the rear portion of the frame 1 is connected to a box 14 via a universal joint 13, wherein a screening and collecting mechanism is provided on the box 14, wherein the screening and collecting mechanism is used to screen sediment and organisms in the sediment, wherein the screening and collecting mechanism comprises a filtering and screening channel 66 provided on the box 14, wherein spring grooves 39 are symmetrically provided on the end walls of the filtering and screening channel 66, wherein a screening and filtering plate 28 is slidably connected between the end walls of the spring grooves 39, wherein the spring grooves 39 are inclined at a certain angle, wherein the screening and filtering plate 28 is inclined at a certain angle, and the spring grooves 39 on one side A spring rod 40 is connected to the end wall, and the end of the spring rod 40 on one side of the end wall away from the spring slot 39 is connected to the screening filter plate 28, and a reciprocating electric push rod 30 is fixedly installed on the spring slot 39 on the other side, and the power end of the reciprocating electric push rod 30 is fixedly connected to the screening filter plate 28, and a discharge channel 36 is processed through the end wall of the filtering and screening channel 66, and the box body 14 at the lower side edge of the discharge channel 36 is fixedly connected to the export plate 18, and the end wall of the box body 14 on the lower side of the export plate 18 is fixedly connected to an electric turntable mounting frame 68, and the upper part of the electric turntable mounting frame 68 is rotatably connected to the electric turntable 16, and the upper circumferential array of the electric turntable 16 is detachably connected to the collecting bottle 17; During operation, the silt is poured onto the screening filter plate 28, so that the reciprocating electric push rod 30 reciprocates, thereby reciprocatingly impacting the screening filter plate 28, so that the spring rod 40 is compressed and relaxed, so that the screening filter plate 28 vibrates, thereby filtering and screening the silt, and the silt falls through the screening filter plate 28, and the biological sample remains on the upper side of the screening filter plate 28, located in the middle position of the screening filter plate 28. After the screening and filtering is completed, the closing mechanism moves, so that the discharge channel 36 is opened, so that the organisms enter the collection bottle 17 for collection, so that the electric turntable 16 rotates, thereby driving the corresponding collection bottle 17 to rotate to the lower side of the export plate 18, thereby realizing different collection.

[0023] Advantageously, a motion mechanism is provided at the lower part of the frame 1, and the motion mechanism is used to drive the device to move. The motion mechanism includes a motion support frame 9 fixedly installed at the lower part of the frame 1, and a motion frame 12 is fixedly connected to the end of the motion support frame 9, and a motion gear cavity 48 is provided in the motion frame 12, and a motion gear shaft 50 is rotatably connected between the end walls of the motion gear cavity 48, and the motion gear shaft 50 is connected to the power of the motion motor, and the motion motor is fixedly installed in the motion frame 12, and the motion gear 49 is meshed with the crawler 10, and the crawler 10 is rotatably installed on the motion frame 12, and the outer surface of the crawler 10 is evenly and fixedly connected with a horizontal bar 11; During operation, the motion motor is started to drive the motion gear shaft 50 to rotate, thereby driving the motion gear 49 to rotate, and the motion gear 49 is engaged with the track 10, thereby driving the track 10 to rotate, thereby driving the cross bar 11 to move, and thereby driving the frame 1 to move.

[0024] Advantageously, a cleaning mechanism is provided in the moving frame 12, and the cleaning mechanism is used to clean the mud and sand adhering to the surface of the crawler 10 and the cross bar 11. The cleaning mechanism includes a drum cavity 51 symmetrically provided in the moving frame 12, and a bevel gear shaft 54 ​​is rotatably connected between the end walls of the drum cavity 51, and the bevel gear shaft 54 ​​extends into the moving gear cavity 48. The end of the bevel gear shaft 54 ​​in the moving gear cavity 48 is fixedly connected to a driven bevel gear 57, and the driven bevel gear 57 is meshed with the driving bevel gear 58, and the driving bevel gear 58 is fixedly mounted on the moving gear shaft 50. The outer surface of the bevel gear shaft 54 ​​is fixedly mounted with a rotating cylinder 55, and an annular groove 60 is provided on the rotating cylinder 55. A ball head slide rod 56 is slidably connected in the annular groove 60. The ball head slide rod 56 is fixedly mounted on one end of a push rod 59. The push rod 59 is slidably mounted on the end wall of the rotating cylinder cavity 51. A sliding cavity 52 is machined on the moving frame 12. The push rod 59 extends into the sliding cavity 52. ​​An impact sleeve 53 is slidably connected to the other end of the push rod 59. A spring cavity 63 is machined in the impact sleeve 53. A spring 62 is arranged in the spring cavity 63, and the spring 62 is connected to the push rod 59. During operation, the moving gear shaft 50 rotates, thereby driving the active bevel gear 58 to rotate, and the active bevel gear 58 meshes with the driven bevel gear 57, thereby driving the bevel gear shaft 54 ​​to rotate, thereby driving the rotating drum 55 to rotate, thereby driving the annular groove 60 to move, so that the ball head slide bar 56 slides in the annular groove 60, thereby pushing the push rod 59 to move, thereby pushing the impact sleeve 53 to move and contact the track 10. Due to the shape of the annular groove 60, the push rod 59 is driven to reciprocate, so that the impact sleeve 53 reciprocates and contacts the track 10, thereby achieving the removal of mud and sand on the surface of the track 10. Due to the action of the spring 62, the impact sleeve 53 is buffered when contacting the track 10 to prevent the track 10 from falling off from the moving frame 12 due to excessive impact.

[0025] Advantageously, a sampling mechanism is connected to the box body 14, and the sampling mechanism is used to sample and dig out the sediment. The sampling mechanism includes a lifting frame 19 fixedly connected to the box body 14, and a lifting screw rod 31 is rotatably connected to the lifting frame 19, and the lifting screw rod 31 is connected to the lifting motor power, and the lifting motor is fixedly installed in the lifting frame 19, and the lifting screw rod 31 is threadedly connected to the lifting nut block 25, and the lifting nut block 25 is slidably installed on the lifting frame 19, and a steering shaft 42 is rotatably connected to the lifting nut block 25, and the steering shaft 42 is connected to the steering motor 41 power, and the steering motor 41 is fixedly installed in the lifting nut block 25, and the steering shaft 42 is connected to the steering motor 41. The outer surface is fixedly connected with a rotating plate 20, and the rotating plate 20 is rotatably connected to the upper part of the lifting nut block 25. A stabilizing ring 43 is connected between the rotating plate 20 and the lifting nut block 25. The lower part of the rotating plate 20 is fixedly connected with a sampling electric push rod 32, and the power end of the sampling electric push rod 32 is fixedly connected with a driving plate 21. The driving plate 21 is symmetrically provided with rotating grooves 64, and a rotating shaft 65 is rotatably connected between the end walls of the rotating grooves 64. The outer surface of the rotating shaft 65 is fixedly connected with a rotating block 67, and the lower part of the rotating block 67 is fixedly connected with a digging head 23, and the digging head 23 is hinged to the end of one side of the connecting rod 22, and the other end of the connecting rod 22 is hinged to the outer surface of the sampling electric push rod 32; During operation, the lifting motor is started, thereby driving the lifting screw rod 31 to rotate, thereby driving the lifting nut block 25 to move downward, thereby driving the rotating plate 20 to move downward, thereby driving the digging head 23 to move downward, and when the digging head 23 contacts the mud and sand, the sampling electric push rod 32 moves upward, thereby pulling the driving plate 21 to move upward, thereby driving the rotating shaft 65 to move, thereby driving the rotating block 67 to move, thereby driving the digging head 23 to rotate, so that the two digging heads 23 are joined together, so that mud and sand enter When the lifting nut block 25 reaches the digging head 23, the lifting nut block 25 is reset, thereby driving the rotating plate 20 to reset. After resetting, the steering motor 41 is started, thereby driving the steering shaft 42 to rotate, thereby driving the rotating plate 20 to rotate, thereby driving the digging head 23 to rotate to the upper side of the filtering and screening channel 66, thereby driving the sampling electric push rod 32 to move downward, thereby driving the driving plate 21 to move downward, thereby driving the digging head 23 to open, so that the mud and sand enter the filtering and screening channel 66 and fall on the screening filter plate 28.

[0026] Advantageously, a cleaning mechanism is provided on the box body 14, and the cleaning mechanism is used to clean the sediment on the surface of the screening filter plate 28 to improve the efficiency of screening and filtering. The cleaning mechanism includes a cleaning chute 26 symmetrically provided on the box body 14, and a cleaning screw 27 is rotatably connected between the end walls of the cleaning chute 26, and the cleaning screw 27 is connected to the power of the cleaning motor, and the cleaning motor is fixedly installed in the box body 14. The outer surface of the cleaning screw 27 is threadedly connected to a cleaning nut block 61, and the upper part of the cleaning nut block 61 is fixedly connected to a cleaning rack 29, and a water storage chamber 37 is provided in the cleaning rack 29, and a cleaning nozzle 38 is evenly fixedly connected to the bottom wall of the water storage chamber 37; During operation, the cleaning motor is started to drive the cleaning screw 27 to rotate, thereby driving the cleaning nut block 61 to move, thereby driving the cleaning frame 29 to move, and starting the cleaning nozzle 38 to spray the water in the water storage chamber 37, thereby achieving cleaning.

[0027] Advantageously, the cleaning rack 29 is connected with a water supply mechanism, and the water supply mechanism is used to supply water to the water storage chamber 37. The water supply mechanism includes a water pipe 15 connected to the cleaning rack 29, and the end of the water pipe 15 away from the cleaning rack 29 is fixedly connected to the water supply pump 2, and the water supply pump 2 is fixedly connected to the water tank 3, and the water tank 3 is fixedly installed on the frame 1. A water pump 4 is fixedly connected to the upper part of the water tank 3, and a water pump 6 is connected to the water pump 4. The end of the water pump 6 away from the water pump 4 is connected to the water pump fixing frame 7, and the water pump fixing frame 7 is fixedly installed on the front part of the frame 1; During operation, the water supply pump 2 is started to extract water from the water tank 3, so that the water enters the water storage chamber 37 through the water delivery pipe 15. When the water tank 3 needs to be replenished with water, the frame 1 is moved to a position close to the seawater, so that the water suction port of the water suction pipe 6 is located in the seawater, and the water suction pump 4 is started to pump water, so that the seawater enters the water tank 3 through the water suction pipe 6 and the water suction pump 4.

[0028] Advantageously, a monitoring mechanism is provided on the washing rack 29, and the monitoring mechanism is used to monitor the entire process. The monitoring mechanism includes a monitoring fixing plate 35 symmetrically fixedly connected to the washing rack 29, and a monitoring camera 44 is fixedly connected to the lower part of the monitoring fixing plate 35. A wide-angle camera 5 is fixedly connected to the water tank 3, and an antenna 8 is fixedly connected to the frame 1. The antenna 8 is connected to the remote control device by signal, and the antenna 8 is connected to the control processor by signal. The control processor is arranged in the frame 1, and a corresponding control processing program is arranged in the control processor, and the control processor is connected to the electrical component signal in the device; During operation, the wide-angle camera 5 monitors the overall situation, and the monitoring camera 44 monitors the screening and cleaning conditions on the screening filter plate 28, and sends the monitored signal to the control processor, which processes and sends it through the antenna 8 to the background equipment, displays it on the background equipment, inputs the corresponding instructions on the remote control device, receives it through the antenna 8 and sends it to the control processor, which processes it and sends it to the corresponding electrical components.

[0029] Advantageously, a closing mechanism is provided on the end wall of the discharge channel 36, and the closing mechanism is used to close the discharge channel 36. The closing mechanism includes a closing chute 45 provided on the end wall of the discharge channel 36, and a closing electric push rod 46 is fixedly connected to the end wall of the closing chute 45. A closing plate 47 is fixedly connected to the lower part of the closing electric push rod 46, and the closing plate 47 is slidably installed between the end walls of the closing chute 45; During operation, after screening and filtering are completed, the closed electric push rod 46 moves upward, thereby driving the closed plate 47 to move upward, so that the discharge channel 36 is opened, so that the organisms screened and filtered are discharged through the discharge channel 36.

[0030] Advantageously, the lower portion of the box body 14 is symmetrically fixedly connected to support plates 34, and slide plates 33 are fixedly connected between the support plates 34. The slide plates 33 reduce the resistance to movement and facilitate the transportation of the screened mud and sand. The slide plates 33 are similar to a sled structure with an inclined surface on the upper portion. The lower portion of the support plates 34 is rotatably connected to rollers 69, and the rollers 69 change sliding into rolling to reduce the resistance to movement.

[0031] The present invention provides a method for collecting and screening biological samples in the intertidal zone of a tidal flat. Based on the above-mentioned device for collecting and screening biological samples in the intertidal zone of a tidal flat, the steps include: Step 1: The motion mechanism moves, thereby driving the frame 1 to move, thereby driving the box 14 to move to a position where sampling is required; Step 2: During the movement, the cleaning mechanism moves to remove the mud and sand adhering to the horizontal bar 11 and the crawler track 10; Step 3: After the box 14 moves to the sampling position, the sampling mechanism moves to dig out the silt, and the dug silt is placed on the screening filter plate 28; Step 4: The screening and collecting mechanism moves to screen the sediment on the screening filter plate 28, so that the sediment falls through the screening filter plate 28, and the desired organisms fall in the middle of the screening filter plate 28; Step 5: During screening and collection, the cleaning mechanism moves to clean the sediment and improve the efficiency of filtration and screening; Step 6: During cleaning, the water supply mechanism moves to supply water; Step 7: After the screening and cleaning is completed, the closing mechanism moves, so that the discharge channel 36 is opened, so that the organisms on the screening filter plate 28 pass through the outlet plate 18 and enter the collection bottle 17 for collection; Step 8: During screening and cleaning, the monitoring mechanism moves to monitor the screening and cleaning conditions.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for collecting and screening biological samples in intertidal zones of tidal flats, characterized in that: The invention comprises a vehicle frame (1), the rear part of the vehicle frame (1) is connected to a box body (14) through a universal joint (13), the box body (14) is provided with a screening collection mechanism, the screening collection mechanism comprises a filtering screening channel (66) provided on the box body (14), the end wall of the filtering screening channel (66) is symmetrically provided with a spring groove (39), a screening filter plate (28) is slidably connected between the end walls of the spring groove (39), the spring groove (39) is inclined at a certain angle, the screening filter plate (28) is inclined at a certain angle, a spring rod (40) is connected to the end wall of the spring groove (39) on one side, and the end of the spring rod (40) away from the end wall of the spring groove (39) is connected to the screening channel The filter plate (28) is connected to the housing (14), and a reciprocating electric push rod (30) is fixedly mounted on the spring groove (39) on the other side. The power end of the reciprocating electric push rod (30) is fixedly connected to the screening filter plate (28). A discharge channel (36) is machined through the end wall of the filtering and screening channel (66). The housing (14) at the lower edge of the discharge channel (36) is fixedly connected to an export plate (18). An electric turntable mounting frame (68) is fixedly connected to the end wall of the housing (14) at the lower side of the export plate (18). The upper part of the electric turntable mounting frame (68) is rotatably connected to an electric turntable (16). The upper circumferential array of the electric turntable (16) is detachably connected to a collecting bottle (17).

2. The device for collecting and screening biological samples in intertidal zones of tidal flats according to claim 1, characterized in that: A moving mechanism is provided at the lower part of the frame (1), and the moving mechanism comprises a moving support frame (9) fixedly installed at the lower part of the frame (1), the end of the moving support frame (9) is fixedly connected to a moving frame (12), a moving gear cavity (48) is provided in the moving frame (12), a moving gear shaft (50) is rotatably connected between the end walls of the moving gear cavity (48), the moving gear shaft (50) is connected to the power of a moving motor, the moving motor is fixedly installed in the moving frame (12), the moving gear (49) is meshed with a crawler track (10), the crawler track (10) is rotatably installed on the moving frame (12), and a horizontal bar (11) is evenly and fixedly connected to the outer surface of the crawler track (10).

3. The device for collecting and screening biological samples in intertidal zones of tidal flats according to claim 2, characterized in that: The moving frame (12) is provided with a cleaning mechanism, the cleaning mechanism comprising a rotating drum cavity (51) symmetrically provided in the moving frame (12), a bevel gear shaft (54) rotatably connected between the end walls of the rotating drum cavity (51), the bevel gear shaft (54) extending into the moving gear cavity (48), a driven bevel gear (57) fixedly connected to the end of the bevel gear shaft (54) in the moving gear cavity (48), the driven bevel gear (57) meshing with the driving bevel gear (58), the driving bevel gear (58) fixedly mounted on the moving gear shaft (50), a rotating drum (55) fixedly mounted on the outer surface of the bevel gear shaft (54) in the rotating drum cavity (51), The rotating cylinder (55) is provided with an annular groove (60), and a ball head slide rod (56) is slidably connected in the annular groove (60). The ball head slide rod (56) is fixedly installed on one end of a push rod (59), and the push rod (59) is slidably installed on the end wall of the rotating cylinder cavity (51). A sliding cavity (52) is processed on the moving frame (12), and the push rod (59) extends into the sliding cavity (52). The other end of the push rod (59) is slidably connected to an impact sleeve (53), and a spring cavity (63) is processed in the impact sleeve (53). A spring (62) is arranged in the spring cavity (63), and the spring (62) is connected to the push rod (59).

4. The device for collecting and screening biological samples in intertidal zones of tidal flats according to claim 1, characterized in that: The box body (14) is connected to a sampling mechanism, and the sampling mechanism includes a lifting frame (19) fixedly connected to the box body (14), a lifting screw (31) rotatably connected to the lifting frame (19), the lifting screw (31) being connected to the lifting motor power, the lifting motor being fixedly installed in the lifting frame (19), the lifting screw (31) being threadedly connected to the lifting nut block (25), the lifting nut block (25) being slidably installed on the lifting frame (19), a steering shaft (42) being rotatably connected to the lifting nut block (25), the steering shaft (42) being connected to the steering motor (41) power, the steering motor (41) being fixedly installed in the lifting nut block (25), and a rotating plate (20) being fixedly connected to the outer surface of the steering shaft (42). The rotating plate (20) is rotatably connected to the upper part of the lifting nut block (25), a stabilizing ring (43) is connected between the rotating plate (20) and the lifting nut block (25), a sampling electric push rod (32) is fixedly connected to the lower part of the rotating plate (20), the power end of the sampling electric push rod (32) is fixedly connected to the driving plate (21), the driving plate (21) is symmetrically provided with a rotating groove (64), the end wall of the rotating groove (64) is rotatably connected with a rotating shaft (65), the outer surface of the rotating shaft (65) is fixedly connected with a rotating block (67), the lower part of the rotating block (67) is fixedly connected with a digging head (23), the digging head (23) is hinged to the end of one side of the connecting rod (22), and the other end of the connecting rod (22) is hinged to the outer surface of the sampling electric push rod (32).

5. The device for collecting and screening biological samples in intertidal zones of tidal flats according to claim 4, characterized in that: The box body (14) is provided with a cleaning mechanism, the cleaning mechanism comprising a cleaning chute (26) symmetrically provided on the box body (14), a cleaning screw (27) rotatably connected between the end walls of the cleaning chute (26), the cleaning screw (27) being connected to the power of a cleaning motor, the cleaning motor being fixedly installed in the box body (14), a cleaning nut block (61) being threadedly connected to the outer surface of the cleaning screw (27), a cleaning frame (29) being fixedly connected to the upper part of the cleaning nut block (61), a water storage chamber (37) being provided in the cleaning frame (29), and a cleaning nozzle (38) being evenly fixedly connected to the bottom wall of the water storage chamber (37).

6. The device for collecting and screening biological samples in intertidal zones of tidal flats according to claim 5, characterized in that: The cleaning rack (29) is connected to a water supply mechanism, the water supply mechanism comprising a water pipe (15) connected to the cleaning rack (29), the end of the water pipe (15) away from the cleaning rack (29) is fixedly connected to a water supply pump (2), the water supply pump (2) is fixedly connected to a water tank (3), the water tank (3) is fixedly mounted on the frame (1), a water pump (4) is fixedly connected to the upper part of the water tank (3), a water pump (6) is connected to the water pump (4), the end of the water pipe (6) away from the water pump (4) is connected to a water pump fixing frame (7), and the water pump fixing frame (7) is fixedly mounted on the front part of the frame (1).

7. The device for collecting and screening biological samples in intertidal zones of tidal flats according to claim 6, characterized in that: The cleaning rack (29) is provided with a monitoring mechanism, the monitoring mechanism comprising a monitoring fixing plate (35) symmetrically fixedly connected to the cleaning rack (29), a monitoring camera (44) fixedly connected to the lower part of the monitoring fixing plate (35), a wide-angle camera (5) fixedly connected to the water tank (3), an antenna (8) fixedly connected to the frame (1), the antenna (8) being connected to a remote control device signal, the antenna (8) being connected to a control processor signal, the control processor being arranged in the frame (1), and a corresponding control processing program being arranged in the control processor.

8. The device for collecting and screening biological samples in intertidal zones of tidal flats according to claim 1, characterized in that: A closing mechanism is provided on the end wall of the discharge channel (36), and the closing mechanism comprises a closing chute (45) provided on the end wall of the discharge channel (36), a closing electric push rod (46) is fixedly connected to the end wall of the closing chute (45), a closing plate (47) is fixedly connected to the lower part of the closing electric push rod (46), and the closing plate (47) is slidably installed between the end walls of the closing chute (45).

9. The device for collecting and screening biological samples in intertidal zones of tidal flats according to claim 5, characterized in that: The lower part of the box body (14) is symmetrically fixedly connected with support plates (34), a slide plate (33) is fixedly connected between the support plates (34), and the lower part of the support plates (34) is rotatably connected with a roller (69).

10. A method for collecting and screening biological samples in the intertidal zone of a tidal flat, based on the device for collecting and screening biological samples in the intertidal zone of a tidal flat according to any one of claims 1 to 9, characterized in that: include: Step 1: The motion mechanism moves, thereby driving the frame (1) to move, thereby driving the box (14) to move to a position where sampling is required; Step 2: During the movement, the cleaning mechanism moves to remove the mud and sand adhering to the horizontal bar (11) and the crawler track (10); Step 3: After the box (14) moves to the sampling position, the sampling mechanism moves to dig out the silt, and the dug silt is placed on the screening filter plate (28); Step 4: The screening and collecting mechanism moves to screen the sediment on the screening filter plate (28), so that the sediment falls through the screening filter plate (28), and the desired organisms fall in the middle of the screening filter plate (28); Step 5: During screening and collection, the cleaning mechanism moves to clean the sediment and improve the efficiency of filtration and screening; Step 6: During cleaning, the water supply mechanism moves to supply water; Step 7: After the screening and cleaning is completed, the closing mechanism moves, thereby opening the discharge channel (36), so that the organisms on the screening filter plate (28) pass through the outlet plate (18) and enter the collection bottle (17) for collection; Step 8: During screening and cleaning, the monitoring mechanism moves to monitor the screening and cleaning conditions.

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