CN117871171B - River mud sampling device - Google Patents
River mud sampling device Download PDFInfo
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- CN117871171B CN117871171B CN202410284472.8A CN202410284472A CN117871171B CN 117871171 B CN117871171 B CN 117871171B CN 202410284472 A CN202410284472 A CN 202410284472A CN 117871171 B CN117871171 B CN 117871171B
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- 238000005070 sampling Methods 0.000 title claims abstract description 127
- 238000005553 drilling Methods 0.000 claims abstract description 112
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 239000010802 sludge Substances 0.000 claims abstract description 44
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims description 46
- 238000010030 laminating Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a river mud sampling device, which belongs to the technical field of river mud sampling and comprises a lifting rod, a supporting seat, a drilling and dredging mechanism and sampling pipes distributed around the circumferential array of the drilling and dredging mechanism, wherein the supporting seat is arranged below the lifting rod, the drilling and dredging mechanism is arranged below the supporting seat, a fixed disc is coaxially fixedly connected to the drilling and dredging mechanism, sliding slotted holes are formed in the fixed disc in a penetrating manner, the sliding slotted holes are distributed around the circumferential array of the drilling and dredging mechanism, a sliding block is arranged at the upper end of the sampling pipe, the sliding block is clamped in the sliding slotted holes, the sampling pipe is a cavity with an opening at one side, and the opening is formed in one side of the sampling pipe away from the drilling and dredging mechanism. The invention particularly provides a river sludge sampling device, which is characterized in that a sampling tube is inserted into sludge through pre-drilling, and then the sampling tube is horizontally pushed to sample, so that the sludge layer is horizontally stressed, and the deformation probability of the sludge layer is reduced.
Description
Technical Field
The invention belongs to the technical field of river channel sampling, and particularly relates to a river channel sludge sampling device.
Background
Sludge sampling is a investigation means widely applied to the fields of environment, hydrology and the like in order to study the accumulation, distribution, conversion and migration rules of pollutants discharged into a water body in bottom sludge.
At present, sampling equipment to silt is various, chinese patent for application publication No. CN113340659B discloses an environmental monitoring river silt sampling device, through inserting a plurality of high-difference sampling tubes in the silt, can draw the silt sample of different height in the river course simultaneously, can drive the drill bit of sampling tube bottom when the dwang of device inside descends and rotate, conveniently insert the sampling tube inside the silt, when the dwang risees, can draw in the silt inside the sampling tube, need not the plug of manual control sampler in the silt, and is labour saving and time saving has improved the efficiency of river silt sampling. However, the sludge layer may be unstable, and the above-mentioned sludge sampling device may easily affect the stability of the sludge layer during sampling, thereby causing collapse or deformation of the sludge, and causing failure in sampling, so that the upper collapsed sludge layer is mixed in the sampled sample.
In the prior art, the technical means of directly sampling through inserting under the sampling tube still exists, but when adopting this kind of mode sample, the vertical atress of silt layer is easy to be deformed, and each layer thickness of silt layer is extremely easy to have the inaccurate drawback of sampling result because of deformation, therefore, how to design a sampler that avoids silt layer to warp, guarantees accurate sampling is the problem that needs to be solved in industry.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the river sludge sampling device, which is characterized in that a sampling tube is inserted into sludge by pre-drilling, and then the sampling tube is horizontally pushed to sample, so that the sludge layer is horizontally stressed, and the deformation probability of the sludge layer is reduced.
The technical scheme adopted by the invention is as follows: the invention provides a river mud sampling device, which comprises a lifting rod, a supporting seat, a drilling and discharging mechanism and sampling pipes distributed around the circumference array of the drilling and discharging mechanism, wherein the supporting seat is arranged below the lifting rod, the drilling and discharging mechanism is arranged below the supporting seat, a fixed disc is coaxially fixedly connected to the drilling and discharging mechanism, sliding slots are formed in the fixed disc in a penetrating mode, the sliding slots are distributed around the circumference array of the drilling and discharging mechanism, a sliding block is arranged at the upper end of the sampling pipe, the sliding block is clamped in the sliding slots, the sampling pipe is a cavity with an opening at one side, the opening is formed in one side of the sampling pipe away from the drilling and discharging mechanism, the sampling pipe comprises a containing cavity and a converging cavity, the opening is formed in one side of the converging cavity away from the containing cavity, the converging cavity gradually reduces in width in the direction of the opening, the supporting seat is provided with a pushing drive for driving the sampling slot to slide along the sliding direction, at the moment, the sampling pipe is in a folding state, the sampling pipe is in a pushing state, the sampling pipe is pushed by the discharging mechanism and the sampling pipe is pushed to move along the sliding slot to a complete mud layer, and the sampling layer can be pushed to the full, and the sampling layer can be stressed to be horizontally and the mud can be horizontally deformed and the sampling pipe is stressed.
The pushing and pulling device comprises a pushing and pulling sliding disc and a hinged pushing and pulling assembly, wherein the pushing and pulling driving device comprises a driving cylinder, a pushing and pulling sliding disc and a hinged pushing and pulling assembly, the driving cylinder array is distributed on the bottom wall of a supporting seat, sliding holes are formed in the middle of the pushing and pulling sliding disc, the pushing and pulling sliding disc is arranged on a drilling and dredging mechanism through a sliding hole sliding sleeve, the pushing and pulling sliding disc is arranged at the lower end of the driving cylinder, the hinged pushing and pulling assembly comprises an upper hinged seat, a lower hinged seat and a hinged rod, the upper hinged seat is arranged on the bottom wall of the pushing and pulling sliding disc, the upper hinged seat is distributed around the circumference array of the drilling and dredging mechanism, the lower hinged seat is arranged on the upper wall of a sliding block, two ends of the hinged rod are respectively connected with the upper hinged seat and the lower hinged seat in a rotating mode, the driving cylinder is connected with an external air source, the external air source is controlled to stretch out and draw back through air pressure in the driving cylinder, the device is in a folded state, the driving cylinder is in a shortened state, the sliding seat is located at one end of the sliding close to the dredging and dredging mechanism, the sliding seat is stretched along with the driving cylinder, the driving cylinder pushes the pushing and pulling the sliding disc moves down along the dredging mechanism, the sliding seat moves along the dredging and the dredging mechanism, the sliding seat is far away from the sliding hole, and the sliding seat is far away from the sliding and away from the sliding hole.
As a further improvement of this scheme, the sampling tube adopts transparent material to make, the opening part sliding connection of sampling tube has the apron, be equipped with the gliding spout that opens and shuts of drive apron on the fixed disk, slide at the opening part of sampling tube through the spout control apron that opens and shuts to the opening part of control sampling tube opens and closes, is convenient for realize the distance sample of sampling tube.
More specifically, the convergence cavity is trapezoidal setting, the upper and lower both sides of opening are equipped with V-arrangement flange respectively, are equipped with V-arrangement slide rail respectively on the V-arrangement flange of both sides about the opening, and the V-arrangement slide rail of opening upside sets up with the V-arrangement slide rail of opening downside relatively, the apron slides and locates between the V-arrangement slide rail, and the apron symmetry is located the opening both sides, apron and convergence cavity lateral wall laminating.
The opening and closing sliding grooves are symmetrically arranged on two sides of the sliding groove hole, the closing and holding grooves, the opening and holding grooves and the sliding groove hole are arranged in parallel, the length from the closing and holding groove to the sliding groove hole is smaller than that from the opening and holding groove to the sliding groove hole, the upper ends of the cover plates are provided with sliding clamping shafts, the sliding clamping shafts are clamped in the opening and closing sliding grooves, in an initial state, the sliding clamping shafts are arranged at one ends of the closing and holding grooves close to the drilling and dredging mechanism, the two cover plates are in a mutually closed state, the sampling tube is not opened, when the sampling tube is driven to be pushed out horizontally through the sliding block, the sliding clamping shafts at the upper ends of the cover plates slide into the opening and holding grooves from the closing and holding grooves through the oblique involute grooves, when the sliding clamping shafts slide along the oblique involute grooves, the two cover plates are gradually separated, when the sliding clamping shafts slide into the opening and holding grooves, the two cover plates are completely separated, and at the moment, the opening of the sampling tube is exposed, and sampling can be carried out.
Preferably, an air cavity communicated with the driving air cylinder is arranged in the supporting seat, an air passage is axially arranged in the lifting rod, the lower end of the air passage is communicated with the air cavity, an air inlet is arranged at the upper end of the air passage, the air inlet is convenient for connecting the air passage with an external air source, and the air passage and the air cavity are convenient for connecting the driving air cylinder with the external air source.
Further, the number of the sliding slotted holes and the number of the hinge rods are the same as the number of the sampling pipes, and the sliding slotted holes, the sampling pipes and the hinge rods are in one-to-one correspondence.
In order to be convenient for tear open and take the sampling tube, the slip slotted hole runs through the edge of fixed disk, the slip clamping axle includes screw rod and screw sleeve, the apron upper end is located to the screw rod rigid coupling, screw sleeve cover locate the screw rod upper end and with screw rod threaded connection, screw sleeve slip card is located in the spout that opens and shuts, can follow the spout that opens and shuts with screw sleeve highly adjusting through screwing screw sleeve, be equipped with the commentaries on classics hole on classics on the seat down, be equipped with the pivot in the commentaries on classics hole, the lower extreme and the pivot rotation of hinge rod are connected, the one end of hinge rod is equipped with spacing portion, and the other end of hinge rod is equipped with the screw thread, and the hinge rod has the screw cap through threaded connection, through screwing screw cap to be convenient for tear down pivot from commentaries on classics hole and hinge rod, make things convenient for hinge rod and lower hinge seat separation.
Wherein the bottom wall of the supporting seat is embedded with a driving cavity, the driving cavity is internally and hermetically connected with a driver, the drilling and discharging mechanism comprises a drilling and discharging pipe and a drilling shaft, the drilling and discharging pipe is arranged on the bottom wall of the driving cavity and comprises a drilling pipe, a mud conveying pipe and a conical pipe connected with the drilling pipe and the mud conveying pipe, the drilling pipe, the mud conveying pipe and the conical pipe are coaxially arranged, the mud conveying pipe is fixedly connected on the bottom wall of the driving cavity, the conical pipe and the drilling pipe are sequentially arranged below the mud conveying pipe, the drilling shaft is rotationally arranged on the bottom wall of the driving cavity and connected with the driver, the drilling shaft is arranged in the drilling and discharging pipe and is sequentially provided with integrally formed transmission screw blades and drilling screw blades from top to bottom along the axial direction, the upper end of the drilling thread blade is gradually changed into a conical shape, the conveying thread blade is attached to the inner wall of the mud conveying pipe, the lower end of the drilling thread blade is attached to the inner wall of the drilling pipe, the upper end of the drilling thread blade is attached to the inner wall of the conical pipe, the tail end of the drilling thread blade is provided with drilling teeth, the side wall of the upper end of the mud conveying pipe is communicated with a discharge pipe which is obliquely arranged downwards, the drilling shaft drives the conveying thread blade and the drilling thread blade to rotate, the drilling thread blade drills mud through the drilling teeth, the drilled mud is conveyed to the upper end of the mud conveying pipe through the drilling thread blade and the conveying thread blade, and then discharged to one side of the device from the discharge pipe.
Preferably, the driver adopts waterproof motor, waterproof motor passes through waterproof cable and links to each other with external power supply, be equipped with the cutting ferrule on the lifter, waterproof cable card locates in the cutting ferrule, the actuating chamber adopts aluminum alloy material, and is light and handy and be convenient for dispel the heat.
Preferably, the lower end of the discharging pipe extends out of the fixed disc, so that the drilled sludge is prevented from being discharged onto the fixed disc.
The beneficial effects obtained by the invention by adopting the structure are as follows:
1. compared with the prior art, the invention has the advantages that the sampling tube is inserted into the sludge by pre-drilling, and then the sampling tube is horizontally pushed to sample by pushing and driving, so that the sludge layer is horizontally stressed, and the deformation probability of the sludge layer is reduced.
2. The cover plate which is opened and closed in a sliding manner and the opening and closing sliding chute for controlling the cover plate to open and close are arranged, so that the sampling pipe is opened to sample after being far away from the drilling pipe for a certain distance, original sampling is guaranteed to be carried out on the whole distribution of the silt layer to the greatest extent, and the influence of the drilling and sludge discharging mechanism on sampling is reduced.
3. The convergence cavity is arranged at the opening of the sampling tube, the front part is narrow, and the rear part is wide, so that the sludge is easy to enter and difficult to exit, and the sludge cannot leak from the sampling tube under the action of no external force.
4. Through boring screw thread blade and conveying screw thread blade mutually support, bore screw thread blade and bore the tooth through boring and bore the silt, conveying screw thread blade is in real time upwards conveying the silt that bores and is discharged to device one side through the row's material pipe that sets up downwards to one side.
5. On the one hand, the inner drilling mud is prevented from shaking and isolating inside the drilling pipe, the outer mud of the drilling pipe is prevented from deforming, and meanwhile, the drilling pipe plays a supporting role on a mud layer outside the drilling pipe.
Drawings
FIG. 1 is a schematic structural view of a river sludge sampling device provided by the invention;
FIG. 2 is a cross-sectional view of a river mud sampling device provided by the invention;
FIG. 3 is a schematic view of a combined structure of a sampling tube, a fixed disk and a pushing drive provided by the invention;
FIG. 4 is an enlarged partial view of portion A of FIG. 3;
FIG. 5 is a schematic view of the structure of the sampling tube, the fixed disk and the pushing drive according to the present invention at another view angle;
FIG. 6 is a schematic view of a combined structure of a sampling tube and a cover plate provided by the invention;
FIG. 7 is a top view of a coupon and cover plate provided by the present invention;
FIG. 8 is a cross-sectional view of a coupon and cover plate provided by the present invention;
FIG. 9 is a schematic view showing the opened state of the sampling tube and the cover plate according to the present invention;
FIG. 10 is a schematic view of a combined construction of a lifting lever and a drilling mud discharging mechanism provided by the present invention;
FIG. 11 is a cross-sectional view of a carrier rod and a drilling mud discharging mechanism provided by the present invention.
Wherein 1, lifting rod, 2, supporting seat, 3, drilling mud discharging mechanism, 4, sampling tube, 5, fixed disk, 6, sliding slotted hole, 7, sliding block, 8, holding cavity, 9, convergence cavity, 10, opening, 11, pushing drive, 12, driving cylinder, 13, pushing sliding disk, 14, hinging pushing component, 15, sliding hole, 16, upper hinged seat, 17, lower hinged seat, 18, hinging rod, 19, cover plate, 20, opening and closing sliding chute, 21, V-shaped flange, 22, V-shaped sliding rail, 23, closing holding sliding chute, 24, oblique involute sliding chute, 25, opening holding sliding chute, 26, sliding clamping shaft, 27, air cavity, 28, air passage, 29, air inlet, 30, screw, 31, threaded sleeve, 32, rotating hole, 33, rotating shaft, 34, limit part, 35, threaded cap, 36, driving cavity, 37, driver, 38, drilling mud discharging pipe, 39, drilling shaft, 40, drilling pipe, 41, mud conveying pipe, 42, conical pipe, 43, conveying blade, 44, water-proof blade, 45, drilling cable, 47, cutting sleeve, 47.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-3, the river sludge sampling device provided by the invention comprises a lifting rod 1, a supporting seat 2, a drilling and discharging mechanism 3 and sampling pipes 4 distributed around the circumference of the drilling and discharging mechanism 3, wherein the supporting seat 2 is arranged below the lifting rod 1, the drilling and discharging mechanism 3 is arranged below the supporting seat 2, a fixed disk 5 is coaxially fixedly connected on the drilling and discharging mechanism 3, a sliding slotted hole 6 is penetrated on the fixed disk 5, the sliding slotted hole 6 is distributed around the circumference of the drilling and discharging mechanism 3, a sliding block 7 is arranged at the upper end of the sampling pipe 4, the sliding block 7 is clamped in the sliding slotted hole 6, the sampling pipe 4 is a cavity with an opening 10 at one side, the opening 10 is arranged at one side of the sampling pipe 4 away from the drilling and discharging mechanism 3, sampling tube 4 includes holding chamber 8 and the convergence chamber 9 of intercommunication, and opening 10 locates the convergence chamber 9 and keeps away from one side that holds chamber 8, convergence chamber 9 is by holding chamber 8 to opening 10 direction width taper, be equipped with on the supporting seat 2 and drive sampling tube 4 along gliding push drive 11 of slip slotted hole 6, during initial state, sampling tube 4 is hugged closely and is bored the mud discharging mechanism 3, and the device is folding state this moment, and through boring the mud discharging mechanism 3 and boring the mud that digs, after reaching suitable degree of depth, through push drive 11, drive sampling tube 4 along slip slotted hole 6 horizontal slip, silt gets into sampling tube 4 from opening 10, make silt layer horizontal stress, reduce the probability of silt layer deformation, can more completely carry out the undisturbed sample to silt layer overall distribution simultaneously.
As shown in fig. 3 and 5, the pushing and pulling drive 11 comprises a driving cylinder 12, a push-pull sliding disc 13 and a hinged pushing and pulling assembly 14, the driving cylinder 12 is distributed and arranged on the bottom wall of the supporting seat 2 in an array manner, the middle part of the push-pull sliding disc 13 is provided with sliding holes 15, the push-pull sliding disc 13 is arranged on the drilling and dredging mechanism 3 in a sliding sleeved manner through the sliding holes 15, the push-pull sliding disc 13 is arranged at the lower end of the driving cylinder 12, the hinged pushing and pulling assembly 14 is arranged between the push-pull sliding disc 13 and the fixed disc 5, the hinged pushing and pulling assembly 14 comprises an upper hinged seat 16, a lower hinged seat 17 and a hinged rod 18, the upper hinged seat 16 is arranged on the bottom wall of the push-pull sliding disc 13, the upper hinged seat 16 is distributed around the circumference of the drilling and dredging mechanism 3, the lower hinged seat 17 is arranged on the upper wall of the sliding block 7, two ends of the hinged rod 18 are respectively connected with the upper hinged seat 16 and the lower hinged seat 17 in a rotating manner, the driving cylinder 12 is connected with an external air source, the external air source is controlled through controlling the air pressure in the driving cylinder 12 so as to control the telescopic driving cylinder 12, the initial state, the device is in a folded state, the sampling tube 4 is attached to the sliding and the sliding mechanism 3, the upper hinged seat 16 is arranged on the bottom wall, the sliding seat 6 is arranged on the fixed disc, the sliding seat 6 is arranged on the bottom wall, the sliding and the sliding tube 6 is far away from the sliding seat 3, the sliding seat 6, the sliding and the sliding seat is arranged on the bottom hole 6, and the sliding seat 3, and the sliding seat is far away from the bottom hole 3, and is horizontally, and the sliding seat is far away from the sliding seat 3, and has a sliding seat 6, and is far away from the bottom hole and has a sliding seat 6, and has a sliding rod 6, and has a sliding device 6. The number of the sliding slotted holes 6 and the number of the hinge rods 18 are the same as the number of the sampling tubes 4, and the sliding slotted holes 6, the sampling tubes 4 and the hinge rods 18 are in one-to-one correspondence.
Referring to fig. 1 and 2, an air cavity 27 communicated with the driving cylinder 12 is provided in the supporting seat 2, an air passage 28 is provided in the lifting rod 1 along the axial direction, the lower end of the air passage 28 is communicated with the air cavity 27, an air inlet 29 is provided at the upper end of the air passage 28, the air inlet 29 facilitates connection of the air passage 28 with an external air source, and the air passage 28 and the air cavity 27 facilitate connection of the driving cylinder 12 with the external air source.
As shown in fig. 2, 10 and 11, the bottom wall of the supporting seat 2 is embedded with a driving cavity 36, a driver 37 is connected in the driving cavity 36 in a sealing manner, the drilling and discharging mechanism 3 comprises a drilling and discharging pipe 38 and a drilling and discharging shaft 39, the drilling and discharging pipe 38 is arranged on the bottom wall of the driving cavity 36, the drilling and discharging pipe 38 comprises a drilling pipe 40, a feeding pipe 41 and a conical pipe 42 connected with the drilling pipe 40 and the feeding pipe 41, the drilling pipe 40, the feeding pipe 41 and the conical pipe 42 are coaxially arranged, the feeding pipe 41 is fixedly connected to the bottom wall of the driving cavity 36, the conical pipe 42 and the feeding pipe 40 are sequentially arranged below the feeding pipe 41, the drilling and discharging shaft 39 is rotatably arranged on the bottom wall of the driving cavity 36, the drilling and discharging shaft 39 is connected with the driver 37, the drilling and discharging shaft 39 is arranged in the drilling and discharging pipe 38, the drilling and discharging shaft 39 is sequentially provided with a transmission thread blade 43 and a drilling thread blade 44 which are integrally formed along the axial direction from top to bottom, the conical end of the drilling pipe 44 is gradually arranged, the upper end of the drilling pipe 44 is provided with a tapered end of the transmission blade 43, the transmission blade 44 is attached to the inner wall of the transmission blade 44, and the transmission blade 44 is rotatably arranged on the inner wall of the transmission blade 44, and the transmission blade 44 is rotatably attached to the inner wall of the transmission blade 44 by the transmission blade 44, and the transmission blade 44 is rotatably arranged by the transmission blade 44, and the transmission blade 44 is attached to the transmission blade 44 and is sequentially by the transmission blade and is threaded through the transmission blade 44; the driver 37 adopts waterproof motor, waterproof motor passes through waterproof cable 46 and links to each other with external power supply, be equipped with cutting ferrule 47 on the lifter 1, waterproof cable 46 card is located in cutting ferrule 47, the drive chamber 36 adopts aluminum alloy material, and is light and handy and be convenient for dispel the heat.
Referring to fig. 1, the lower end of the discharging pipe 45 extends out of the fixed disc 5, so as to avoid the discharge of the drilled sludge onto the fixed disc 5.
As shown in fig. 6-9, the sampling tube 4 is made of a transparent material, the opening 10 of the sampling tube 4 is slidably connected with a cover plate 19, the fixed disk 5 is provided with an opening and closing chute 20 for driving the cover plate 19 to slide, and the opening and closing chute 20 controls the cover plate 19 to slide at the opening 10 of the sampling tube 4, so that the opening and closing of the opening 10 of the sampling tube 4 are controlled, and the fixed-distance sampling of the sampling tube 4 is conveniently realized; the convergence cavity 9 is arranged in a trapezoid, V-shaped flanges 21 are respectively arranged on the upper side and the lower side of the opening 10, V-shaped slide rails 22 are respectively arranged on the V-shaped flanges 21 on the upper side and the lower side of the opening 10, the V-shaped slide rails 22 on the upper side of the opening 10 are oppositely arranged with the V-shaped slide rails 22 on the lower side of the opening 10, the cover plate 19 is slidably arranged between the V-shaped slide rails 22, the cover plate 19 is symmetrically arranged on the two sides of the opening 10, and the cover plate 19 is attached to the side wall of the convergence cavity 9; the opening and closing chute 20 comprises a closing holding chute 23, an oblique involute chute 24 and an opening holding chute 25 which are sequentially communicated, the opening and closing chute 20 is symmetrically arranged on two sides of the sliding chute 6, the closing holding chute 23, the opening holding chute 25 and the sliding chute 6 are arranged in parallel, the length from the closing holding chute 23 to the sliding chute 6 is smaller than the length from the opening holding chute 25 to the sliding chute 6, the upper ends of the cover plates 19 are provided with sliding clamping shafts 26, the sliding clamping shafts 26 are clamped in the opening and closing chute 20, in an initial state, the sliding clamping shafts 26 are arranged at one end of the closing holding chute 23 close to the drilling and dredging mechanism 3, the two cover plates 19 are mutually close to each other, the sampling tube 4 is not opened, when the pushing drive 11 drives the sampling tube 4 to be pushed out horizontally through the sliding block 7, the sliding clamping shafts 26 at the upper ends of the cover plates 19 slide into the opening holding chute 25 from the closing holding chute 23 through the oblique involute chute 24, when the sliding clamping shafts 26 slide along the oblique involute chute 24, the two cover plates 19 are separated gradually, and when the sliding clamping shafts 26 slide into the opening holding chute 25, the two cover plates 19 are separated completely, and the sampling tube 4 is exposed, and sampling can be carried out.
As shown in fig. 2, fig. 4 and fig. 6, in order to facilitate the disassembly of the sampling tube 4, the sliding slot 6 penetrates through the edge of the fixed disc 5, the sliding clamping shaft 26 comprises a screw 30 and a threaded sleeve 31, the screw 30 is fixedly connected to the upper end of the cover plate 19, the threaded sleeve 31 is sleeved on the upper end of the screw 30 and is in threaded connection with the screw 30, the threaded sleeve 31 is slidably clamped in the opening and closing chute 20, the height of the threaded sleeve 31 is adjusted by screwing the threaded sleeve 31, the threaded sleeve 31 can be moved out of the opening and closing chute 20, a rotating hole 32 is formed in the lower hinge seat 17, a rotating shaft 33 is arranged in the rotating hole 32, the lower end of the hinge 18 is in rotary connection with the rotating shaft 33, one end of the hinge 18 is provided with a limiting part 34, the other end of the hinge 18 is provided with threads, the hinge 18 is provided with a threaded cap 35 through threaded connection, and the rotating shaft 33 is conveniently disassembled from the rotating hole 32 and the hinge 18, and the hinge 18 is conveniently separated from the lower hinge seat 17.
In specific use, the device is slowly submerged into water through the lifting rod 1, the device is in a folded state in the initial state, the sampling tube 4 is tightly attached to the drilling and dredging mechanism 3, the driving cylinder 12 is in a shortened state, the sliding block 7 is positioned at one end of the sliding slotted hole 6 close to the drilling and dredging mechanism 3, the sliding clamping shaft 26 is arranged at one end of the closing and retaining sliding chute 23 close to the drilling and dredging mechanism 3, the two cover plates 19 are mutually closed, the sampling tube 4 is not opened, the driver 37 is started when the bottom end of the drilling and dredging pipe 38 is contacted with the bottom wall of a river channel along with the device being submerged, the driver 37 drives the drilling and dredging shaft 39 to rotate, the drilling and dredging shaft 39 drives the transmission thread blade 43 and the drilling and dredging thread blade 44 to rotate, the drilling thread blades 44 drill sludge through the drilling teeth, the drilled sludge is conveyed to the upper end of the sludge conveying pipe 41 through the drilling thread blades 44 and the conveying thread blades 43, and then discharged to one side of the device from the discharging pipe 45, the drilling pipe 40 isolates shaking generated by the internal drilling sludge inside the drilling pipe 40 on one hand, deformation of the sludge outside the drilling pipe 40 is avoided, meanwhile, the drilling pipe 40 plays a supporting role on a sludge layer outside the drilling pipe 40, when the drilling pipe 40 drives the sampling pipe 4 to sink to a proper depth, the driver 37 is controlled to stop working, the air pressure in the driving cylinder 12 is controlled through an external air source, so that the driving cylinder 12 is controlled to extend, along with the extension of the driving cylinder 12, the driving cylinder 12 pushes the push-pull sliding disc 13 to move downwards along the drilling and sludge discharging mechanism 3, the push-pull sliding disc 13 pushes the lower hinged support 17 through the hinge rod 18 to drive the sliding block 7 to slide along the sliding slotted hole 6 to be far away from the drilling and sludge discharging mechanism 3, the movement in the vertical direction is converted into the movement in the horizontal direction, the sliding block 7 drives the sampling tube 4 to horizontally move away from the drilling and sludge discharging mechanism 3, so that the device is in an unfolding state to sample, in the process that the pushing driving 11 drives the sampling tube 4 to horizontally push out through the sliding block 7, the sliding clamping shaft 26 at the upper end of the cover plate 19 firstly slides along the closing and retaining sliding groove 23, in the process, the sampling tube 4 keeps to be horizontally moved in the closing state, so that the sludge is pushed to two sides, the sampling tube 4 is moved away from the drilling tube 40, when the sliding clamping shaft 26 slides along the oblique involute chute 24, the two cover plates 19 are gradually separated, when the sliding clamping shaft 26 slides into the opening retaining chute 25, the two cover plates 19 are completely separated, at the moment, the opening 10 of the sampling tube 4 is exposed, and as the sampling tube 4 continues to slide horizontally along the sliding slotted hole 6, the sludge enters the sampling tube 4 from the opening 10, so that the horizontal stress of the sludge layer is caused, the deformation probability of the sludge layer is reduced, the sampling tube 4 is opened for sampling after a certain distance away from the drilling tube 40 through the opening and closing chute 20 and the cover plates 19 which are arranged in a sliding way, the whole distribution of the silt layer is ensured to be sampled as much as possible, the influence of the drilling and dredging mechanism 3 on sampling is reduced, after sampling is finished, the air pressure in the driving air cylinder 12 is controlled through an external air source, the driving air cylinder 12 is controlled to be shortened, the driving air cylinder 12 is shortened, the push-pull sliding disc 13 is driven to move upwards, the push-pull sliding disc 13 pulls the lower hinged support 17 and the sliding block 7 to move back along the sliding slotted hole 6 to be close to the drilling and dredging mechanism 3 through the hinged rod 18, the sliding block 7 drives the sampling tube 4 to move back to be close to the drilling and dredging mechanism 3, in the process of moving back, the opening and closing sliding chute 20 drives the cover plate 19 to automatically close and plug the opening 10 of the sampling tube 4 through the sliding clamping shaft 26, after the sampling tube 4 is reset, the device is lifted out of the water through the lifting rod 1, then the screw cap 35 is unscrewed from the rotating shaft 33, the rotating shaft 33 is detached from the rotating hole 32 and the hinge rod 18, the hinge rod 18 is separated from the lower hinge seat 17, the screw sleeve 31 is screwed downwards, the screw sleeve 31 is moved out of the opening and closing sliding groove 20, and then the sampling tube 4 is detached from the fixed disc 5 along the sliding slotted hole 6.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (6)
1. River mud sampling device, its characterized in that: the device comprises a lifting rod, a supporting seat, a drilling and discharging mechanism and sampling pipes distributed around the circumferential array of the drilling and discharging mechanism, wherein the supporting seat is arranged below the lifting rod, the drilling and discharging mechanism is arranged below the supporting seat, a fixed disc is coaxially fixedly connected to the drilling and discharging mechanism, a sliding slot hole is formed in the fixed disc in a penetrating mode, the sliding slot hole is distributed around the circumferential array of the drilling and discharging mechanism, a sliding block is arranged at the upper end of the sampling pipe, the sliding block is arranged in the sliding slot hole in a sliding mode, the sampling pipe is a cavity with an opening at one side, the opening is formed in one side, far away from the drilling and discharging mechanism, of the sampling pipe, the sampling pipe comprises a containing cavity and a converging cavity, the opening is formed in one side, far away from the containing cavity, the converging cavity is gradually reduced from the containing cavity to the opening, and the supporting seat is provided with a pushing drive for driving the sampling pipe to slide along the sliding slot hole;
the sampling tube is made of transparent materials, a cover plate is connected to the opening of the sampling tube in a sliding manner, and an opening and closing sliding groove for driving the cover plate to slide is formed in the fixed disc;
The converging cavity is arranged in a trapezoid, V-shaped flanges are respectively arranged on the upper side and the lower side of the opening, V-shaped sliding rails are respectively arranged on the V-shaped flanges on the upper side and the lower side of the opening, the V-shaped sliding rails on the upper side of the opening are arranged opposite to the V-shaped sliding rails on the lower side of the opening, the cover plate is arranged between the V-shaped sliding rails in a sliding manner, the cover plate is symmetrically arranged on the two sides of the opening, and the cover plate is attached to the side wall of the converging cavity;
The opening and closing sliding groove comprises a closing holding sliding groove, an oblique involute sliding groove and an opening holding sliding groove which are sequentially communicated, the opening and closing sliding groove is symmetrically arranged on two sides of the sliding groove hole, the closing holding sliding groove, the opening holding sliding groove and the sliding groove are arranged in parallel, the length from the closing holding sliding groove to the sliding groove hole is smaller than the length from the opening holding sliding groove to the sliding groove hole, a sliding clamping shaft is arranged at the upper end of the cover plate, and the sliding clamping shaft is clamped in the opening and closing sliding groove.
2. A river sludge sampling apparatus as claimed in claim 1, wherein: the pushing and pulling device comprises a pushing and pulling sliding disc and a hinged pushing and pulling assembly, wherein the pushing and pulling sliding disc is arranged at the lower end of the driving cylinder, the hinged pushing and pulling assembly is arranged between the pushing and pulling sliding disc and a fixed disc, the hinged pushing and pulling assembly comprises an upper hinged support, a lower hinged support and a hinged rod, the upper hinged support is arranged at the bottom wall of the pushing and pulling sliding disc, the upper hinged support is distributed around the circumference array of the drilling and dredging mechanism, the lower hinged support is arranged at the upper wall of the sliding block, and two ends of the hinged rod are respectively connected with the upper hinged support and the lower hinged support in a rotating manner.
3. A river sludge sampling apparatus as claimed in claim 2, wherein: the air cavity communicated with the driving air cylinder is arranged in the supporting seat, an air passage is axially formed in the lifting rod, the lower end of the air passage is communicated with the air cavity, and an air inlet is formed in the upper end of the air passage.
4. A river sludge sampling apparatus as claimed in claim 3, wherein: the sliding slot penetrates through the edge of the fixed disc, the sliding clamping shaft comprises a screw rod and a threaded sleeve, the screw rod is fixedly connected to the upper end of the cover plate, the threaded sleeve is sleeved on the upper end of the screw rod and is in threaded connection with the screw rod, the threaded sleeve is slidably clamped in the opening and closing sliding groove, a rotating hole is formed in the lower hinge seat, a rotating shaft is arranged in the rotating hole, the lower end of the hinge rod is rotationally connected with the rotating shaft, a limiting part is arranged at one end of the hinge rod, threads are arranged at the other end of the hinge rod, and the hinge rod is provided with a threaded cap through threaded connection.
5. A river sludge sampling apparatus as claimed in claim 1, wherein: the utility model provides a mud pump, including the supporting seat diapire is embedded to be equipped with the drive chamber, sealing connection has the driver in the drive chamber, it is including boring the mud pipe and boring the axle to bore the mud mechanism, it locates the drive chamber diapire to bore the mud pipe, it includes and bores the pipe, send the mud pipe and connect the conical tube that bores the pipe and send the mud pipe, it is coaxial to bore the pipe, send the coaxial setting of mud pipe and conical tube, send the mud pipe rigid coupling to locate the drive chamber diapire, conical tube and boring the pipe and locate the below that sends the mud pipe in proper order, it rotates to bore the axle and locates the drive chamber diapire, it links to each other with the driver to bore the axle, it locates and bores the mud intraductal to bore the axle, it is equipped with integrated into one piece's conveying screw blade and bore screw blade to bore to distribute in proper order along axial from the top down, it is the toper setting of gradual change to bore the upper end of screw blade and send the inner wall laminating of mud pipe to bore the screw blade, the lower extreme and bore the inner wall laminating of screw blade, it is equipped with the oblique side wall of the mud to bore the upper end of screw blade to bore the end and bore the screw blade to bore the tail end and bore the mud to be equipped with the oblique side wall.
6. The river sludge sampling device of claim 5, wherein: the driver adopts waterproof motor, waterproof motor passes through waterproof cable and links to each other with external power supply, be equipped with the cutting ferrule on the lifter, waterproof cable card locates in the cutting ferrule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410284472.8A CN117871171B (en) | 2024-03-13 | 2024-03-13 | River mud sampling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410284472.8A CN117871171B (en) | 2024-03-13 | 2024-03-13 | River mud sampling device |
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| CN117871171B true CN117871171B (en) | 2024-05-24 |
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