CN114563554A - Equipment and method for detecting content of heavy metal in water and soil - Google Patents

Equipment and method for detecting content of heavy metal in water and soil Download PDF

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Publication number
CN114563554A
CN114563554A CN202210199678.1A CN202210199678A CN114563554A CN 114563554 A CN114563554 A CN 114563554A CN 202210199678 A CN202210199678 A CN 202210199678A CN 114563554 A CN114563554 A CN 114563554A
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soil
shaped
plate
round
fixedly connected
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林洁
何霞
黄海燕
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Shenzhen Water Engineering Testing Co Ltd
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Shenzhen Water Engineering Testing Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

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  • Environmental & Geological Engineering (AREA)
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  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to a device and a method for detecting the content of heavy metals in water and soil, wherein the device for detecting the content of heavy metals in water and soil comprises an outer cylinder and a handle symmetrically arranged at the top end of the outer wall of the outer cylinder, one end of a first semicircular plate, which is close to a second semicircular plate, is fixedly connected with a plurality of serrated knives in positions corresponding to a plurality of serrated grooves, and a sampling assembly for collecting soil is arranged between the two semicircular blocks; according to the invention, the root-shaped objects in the soil are cut off through the matching of the first semicircular plate, the second semicircular plate, the serrated knife and the conical block, the sealing property between the first semicircular plate and the second semicircular plate is improved, the cloth bag is rapidly replaced through the sampling assembly, the cloth bag is convenient to sample the soil at different depths, the accuracy of detecting the heavy metal content in the soil is ensured, and the labor force for cleaning the wall-sticking soil is reduced.

Description

Equipment and method for detecting content of heavy metal in water and soil
Technical Field
The invention relates to the technical field of soil sampling, in particular to equipment and a method for detecting the content of heavy metals in water and soil.
Background
Water and land are important resources for natural environments and agricultural production on which humans depend for survival. Under the condition of no artificial pollution, the heavy metal content in the water body and the soil is generally very low, and the harm to organisms can not be caused. However, with the acceleration of urbanization process and the rapid development of industry and agriculture in China, a large amount of heavy metal elements are discharged into water and soil through various ways, so that large-area heavy metal pollution of water and soil is caused, and agricultural production and human health are directly threatened. Before the heavy metal content of the soil is detected, firstly, the soil needs to be sampled, and then, the pollution degree after the soil is detected is prevented and controlled.
Chinese patent publication No. CN211784468U, this application relates to a soil is sampling device for heavy metal content testing relates to soil sampling technical field, and the device includes the sampling tube, first ring groove has been seted up to the sampling tube downside, the joint has first cutting ring in the first ring groove, the rotatory metal stopper of installing of sampling tube upside, the first slide opening of intercommunication sampling tube inner chamber is located to metal stopper center, slidable mounting has the sampling piece in the sampling tube inner chamber, the sampling piece cuts apart the sword including the sample, the equal rotatory fan-shaped about plate of installing in sample cut apart sword upper end center both sides. This sampling device for heavy metal content detects in soil can be isolated mud, the water of waiting to take a sample soil upside, prevents that muddy water from flowing into the position that needs the sample, through isolated mud, water, conveniently takes a sample and can take a sample many times to soil, can be convenient take out sample soil from sampling device after the sample is accomplished, prevents that sample soil from adsorbing in sampling device.
Soil heavy metal content detects uses sampling device when taking a sample to soil among the above-mentioned, the soil that the sampling tube was taken out is poured to the sample slotted hole under the effect of gravity, this kind of method can not guarantee that the inside soil that takes out of sampling tube pours completely, lead to the soil of the different degree of depth to mix together, the precision of testing result has been reduced, and two fan-shaped about boards in the above-mentioned are taking a sample to soil, can not cut off the root form thing in the soil, lead to the root form thing to press from both sides between the inner wall of fan-shaped about board and sampling tube, then lead to two fan-shaped about board pivoted angles to have the deviation, can not be complete take out the soil on two fan-shaped about boards.
Disclosure of Invention
Based on the above thought, the invention provides the following technical scheme:
a detection device for the content of heavy metals in soil and water comprises an outer cylinder and a handle symmetrically arranged at the top end of the outer wall of the outer cylinder, wherein a waist-shaped hole is formed in the center of the top of the outer cylinder, I-shaped grooves are formed in the opposite sides of two planes of the waist-shaped hole, sliders are symmetrically and slidably matched in the two I-shaped grooves, a first semicircular plate is fixedly connected to the opposite sides of the two sliders on the rear side, a second semicircular plate is fixedly connected to the opposite sides of the two sliders on the front side, a plurality of sawtooth grooves are formed in one end, close to the first semicircular plate, of the second semicircular plate, a plurality of sawtooth knives are fixedly connected to the ends, close to the tops of the two I-shaped rods, of the first fixed block in a central symmetric manner, semicircular blocks are fixedly connected to the opposite sides of the two first fixed blocks, and adjusting components for automatically opening and closing the first semicircular plate and the second semicircular plate are arranged at the bottom ends of the first semicircular plate and the second semicircular plate, be provided with the sampling subassembly that is used for gathering soil between two semicircle pieces.
As a further scheme of the invention: i-shaped rods are respectively matched in the two I-shaped grooves in a sliding manner, strip-shaped grooves are respectively formed in the opposite sides of the two I-shaped rods, round rods are rotatably connected in the strip-shaped grooves, sliders are symmetrically and movably sleeved on the outer walls of the round rods, return springs are respectively connected between the opposite sides of the two sliders and the inner walls of the strip-shaped grooves, a second fixed block is fixedly connected to the center of the end, close to the bottom of each I-shaped rod, of the two I-shaped rods in a central symmetry manner, and cylindrical sleeves are fixedly connected to the opposite sides of the two second fixed blocks, one of them worker shape groove is kept away from between the upper and lower both ends of semicircle piece one side and is rotated and be connected with the screw rod, and the screw rod runs through the lateral wall of an worker shape pole and is connected through screw-thread fit's mode with worker shape pole, and the top of screw rod slides and runs through the top of urceolus and the transmission is connected with two-way motor, and the bottom movable sleeve of cylinder sleeve outer wall is equipped with the annular slab, and the outer wall of annular slab is laminated mutually with the inner wall of sawtooth cutting ring.
As a further scheme of the invention: the adjusting part is including seting up the round hole No. one at two semicircle piece top centers respectively, the spacing groove has been seted up to the inner wall symmetry of a round hole, the equal sliding fit in bottom of two spacing inslot portions has a gag lever post, the common fixedly connected with cylinder piece of the opposite side of two gag lever posts, No. two round holes have been seted up jointly to the position that the top of a semicircle board and No. two semicircle boards corresponds two cylinder pieces, two cylinder pieces are sliding fit respectively in two No. two round holes, the bottom of cylinder piece is leveled mutually with the bottom of No. two round holes, the equal fixedly connected with circular cone piece in bottom of two cylinder pieces, supreme reducing gradually is followed to the diameter of circular cone piece from down, and the diameter on circular cone piece top equals with the diameter of cylinder piece.
As a further scheme of the invention: the telescopic inner wall symmetry fixedly connected with side position piece of cylinder, the equal fixedly connected with circular slot in position that the top of two side position pieces just is located a semicircle board bottom, and two circular cone pieces are located the inside of two circular slots respectively, the common fixedly connected with Contraband type pole in bottom of two circular cone pieces, and the lateral wall of Contraband type pole is connected through sliding fit's method with the bottom of two circular slots respectively.
As a further scheme of the invention: the sampling assembly comprises butt joint blocks symmetrically arranged at the top of a first semicircular plate and the top of a second semicircular plate, T-shaped plates are movably sleeved on the outer walls of the two butt joint blocks, an L-shaped rod is symmetrically and slidably matched with one end of the top of the two T-shaped plates, the tops of the two L-shaped rods are fixedly connected with a cross plate, the bottom end of the cross plate is in contact with the tops of the two semicircular plates, and a cloth bag is connected between the bottom end of the cross plate and the tops of the two T-shaped plates and provided with a cloth bag.
As a further scheme of the invention: the middle parts of the two opposite sides of the T-shaped plates are provided with chutes, the outer ends of the two opposite sides of the T-shaped plates are embedded with permanent magnet blocks, and the tops of the butt-joint blocks are level with the tops of the T-shaped plates.
As a further scheme of the invention: the front end and the rear end of the top of the semicircular block are symmetrically provided with grooves, and moving rods are arranged in the grooves in a sliding fit mode.
As a further scheme of the invention: the inside of urceolus is provided with filtering component, and filtering component includes that horizontal symmetry sets up the L shape frame at both ends around the urceolus top, and the equal fixedly connected with support of one end that a plurality of L shape framves are close to mutually, and two equal vertical rotations in support opposite sides of horizontal symmetry are connected with a plurality of rolls, a plurality of rolls all with cross sliding fit.
As a further scheme of the invention: a plurality of small openings have all been seted up at the top of semicircle board and No. two semicircle boards, the hollow cavity that is linked together with the small opening is all seted up to the inside of semicircle board and No. two semicircle boards, the relief hole that communicates with the hollow cavity mutually is all seted up to the looks dorsal part of semicircle board and No. two semicircle boards, two relief holes all are located between two semicircle pieces, the positional symmetry fixedly connected with collecting vat of two relief holes is corresponded to the telescopic outer wall of cylinder, the back of the body side of two collecting vats all contacts with the inside of urceolus, the blowoff hole has been seted up to the position that the top of urceolus outer wall corresponds two collecting vats, the bilateral symmetry that just is located L shape pole between two semicircle piece opposite sides is provided with the cleaning brush.
As a further scheme of the invention: a method for detecting the content of heavy metals in water and soil is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
s1, inserting the outer barrel and the serrated annular knife into soil to be collected through a hand-held handle;
s2, soil isolated by the outer barrel enters the cloth bag from a gap between the first semicircular plate and the second semicircular plate through the matching between the adjusting assembly and the sampling assembly to be stored;
s3, driving the cloth bag to gradually move towards the top of the outer cylinder through the screw rod, and realizing the loading and unloading of the cloth bag;
s4, extruding the soil taken out of the cloth bag through the filter assembly, and cleaning the tops of the first semicircular plate and the second semicircular plate.
Compared with the prior art, the invention has the beneficial effects that: the root-shaped objects in the soil are cut off through the matching between the first semicircular plate, the second semicircular plate, the serrated knife and the conical block, the sealing property between the first semicircular plate and the second semicircular plate is improved, the phenomenon that the soil at the top of the first semicircular plate and the second semicircular plate leaks due to the fact that the root-shaped objects are clamped between the first semicircular plate and the second semicircular plate and the sampled soil flows out from a gap between the first semicircular plate and the second semicircular plate is avoided, the phenomenon that the soil at the top of the first semicircular plate and the second semicircular plate leaks is further reduced, and the sampling amount of the soil at the top of the first semicircular plate and the second semicircular plate is further ensured, the cloth bag is quickly replaced by the sampling assembly, the cloth bag is convenient to be used for sampling the soil at different depths, and the phenomenon that the sampled soil is mixed and adhered to the wall can not be caused by the arrangement of the cloth bag, so that the accuracy of detecting the content of heavy metal in the soil is ensured, and the labor force for cleaning the soil with the adhered wall is reduced.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a side sectional view of the present invention.
Fig. 3 is an enlarged view of region a of fig. 2 according to the present invention.
Fig. 4 is a front sectional view of the present invention.
Fig. 5 is an enlarged view of the region B of fig. 4 according to the present invention.
Fig. 6 is a sectional view of the outer tube in the present invention.
Fig. 7 is a partial top view of the present invention.
FIG. 8 is a perspective view of the I-shaped rod, round rod and slide block of the present invention.
Fig. 9 is a perspective view of the inner structure of the outer tube in the present invention.
Fig. 10 is a schematic structural view of the first half-round plate and the second half-round plate according to the present invention.
FIG. 11 is a cross-sectional view of a T-shaped plate of the present invention.
FIG. 12 is a perspective view of a sampling assembly of the present invention.
In the figure: 1. an outer cylinder; 101. a serrated ring cutter; 102. a kidney-shaped hole; 103. a I-shaped groove; 104. an I-shaped rod; 105. a round bar; 106. a slider; 107. a return spring; 108. a first semicircular plate; 109. a second semicircular plate; 110. a sawtooth groove; 111. a serrated knife; 112. a first fixed block; 113. a semicircular block; 114. a second fixed block; 115. a cylindrical sleeve; 116. a first round hole; 117. a limiting groove; 118. a limiting rod; 119. a cylindrical block; 120. a second round hole; 121. a conical block; 122. a side bit block; 123. a circular groove; 124. contraband type rod; 125. a screw; 126. an annular plate; 2. a sampling assembly; 201. a butt joint block; 202. a T-shaped plate; 203. an L-shaped rod; 204. a cross plate; 205. a cloth bag; 206. a groove; 207. a travel bar; 3. a filter assembly; 301. an L-shaped frame; 302. a support; 303. rolling a roller; 304. a leak hole; 305. a hollow groove; 306. a discharge hole; 307. collecting tank; 308. a sewage draining hole; 309. a cleaning brush.
Detailed Description
In the first embodiment, please refer to fig. 1-10, an apparatus for detecting heavy metal content in soil and water comprises an outer cylinder 1 and a handle symmetrically disposed at the top end of the outer wall of the outer cylinder 1, a serrated ring cutter 101 is disposed at the bottom end of the outer cylinder 1, the serrated ring cutter 101 is disposed to improve the efficiency of soil breaking and reduce the sampling time, a kidney-shaped hole 102 is disposed at the center of the top of the outer cylinder 1, a circular groove is disposed at the bottom end of the outer cylinder 1, i-shaped grooves 103 are disposed on two opposite sides of the plane of the kidney-shaped hole 102, i-shaped rods 104 are slidably fitted inside the two i-shaped grooves 103, strip-shaped grooves are disposed on two opposite sides of the two i-shaped rods 104, a circular rod 105 is rotatably connected inside the strip-shaped grooves, sliders 106 are symmetrically movably sleeved on the outer wall of the circular rod 105, a return spring 107 is disposed between the opposite sides of the two sliders 106 and the inner wall of the strip-shaped grooves, the return spring 107 is sleeved on the outer wall of the circular rod 105, a first half-round plate 108 is fixedly connected with the opposite sides of the two sliders 106 at the rear side together, a second half-round plate 109 is fixedly connected with the opposite sides of the two sliders 106 at the front side together, a plurality of sawtooth grooves 110 are formed at one end of the second half-round plate 109 close to the first half-round plate 108, a plurality of sawtooth knives 111 are fixedly connected with one end of the first half-round plate 108 close to the second half-round plate 109 at positions corresponding to the plurality of sawtooth grooves 110, the sawtooth grooves 110 are matched with the sawtooth knives 111, a first fixed block 112 is fixedly connected with the center of the end close to the top of the two I-shaped rods 104 symmetrically, a half-round block 113 is fixedly connected with the opposite side of the two first fixed blocks 112, the bottom ends of the two half-round blocks 113 are flush with the top end of the first half-round plate 108, a space exists between the two half-round blocks 113, a second fixed block 114 is fixedly connected with the center of the end close to the bottom of the two I-shaped rods 104 symmetrically, a cylindrical sleeve 115 is fixedly connected with the opposite side of the two second fixed blocks 114 together, wherein a screw rod 125 is rotatably connected between the upper end and the lower end of one side of the I-shaped groove 103 far away from the semicircular blocks 113, the screw rod 125 penetrates through the side wall of one I-shaped rod 104 and is connected with the I-shaped rod 104 in a thread fit manner, the top of the screw rod 125 slidably penetrates through the top end of the outer barrel 1 and is in transmission connection with a two-way motor, the bottom end of the outer wall of the cylindrical sleeve 115 is movably sleeved with an annular plate 126, the outer wall of the annular plate 126 is attached to the inner wall of the sawtooth annular knife 101, the bottom end of the annular plate 126 is flush with the bottom end of the cylindrical sleeve 115, the top end of the annular plate 126 is flush with the top end of the circular groove, a certain guiding effect is performed on soil through the arrangement of the annular plate 126, the soil is prevented from entering the outer side of the cylindrical sleeve 115, the soil sampling amount is improved, the adjusting assembly comprises a number of circular holes 116 respectively arranged at the centers of the tops of the two semicircular blocks 113, the inner wall of the number one circular hole 116 is symmetrically provided with limiting grooves 117, the bottom ends of the inner parts of the two limiting grooves 117 are respectively in sliding fit with a limiting rod 118, the opposite sides of the two limiting rods 118 are jointly and fixedly connected with a cylindrical block 119, the top parts of the first semicircular plate 108 and the second semicircular plate 109 are respectively provided with a second round hole 120 corresponding to the positions of the two cylindrical blocks 119, the two cylindrical blocks 119 are respectively in sliding fit in the two second round holes 120, the bottom ends of the cylindrical blocks 119 are flush with the bottom ends of the second round holes 120, the bottom ends of the two cylindrical blocks 119 are respectively and fixedly connected with a conical block 121, the diameter of the conical block 121 is gradually reduced from bottom to top, the diameter of the top end of the conical block 121 is equal to that of the cylindrical block 119, the inner wall of the cylindrical sleeve 115 is symmetrically and fixedly connected with lateral blocks 122, the positions of the top parts of the two lateral blocks 122 and the bottom end of the first semicircular plate 108 are respectively and fixedly connected with a round groove 123, the two conical blocks 121 are respectively located in the inner parts of the two round grooves 123, the bottom ends of the two conical blocks 121 are jointly and fixedly connected with Contraband-type rods 124, the side walls of the Contraband-shaped rod 124 are connected with the bottom ends of the two circular grooves 123 respectively through a sliding fit method.
In this embodiment, it is preferable that: firstly, an outer cylinder 1 and a serrated ring cutter 101 are inserted into soil to be collected through a hand handle, after the outer cylinder 1 and the serrated ring cutter 101 are inserted, the soil enters the inside of a cylindrical sleeve 115 under the shielding effect of an annular plate 126, an Contraband-shaped rod 124 drives two conical blocks 121 and two cylindrical blocks 119 to move upwards synchronously under the extrusion effect of the soil, the two cylindrical blocks 119 respectively drive two limiting rods 118 to move to the tops of two limiting grooves 117, at the moment, a first semicircular plate 108 and a second semicircular plate 109 are separated from each other under the drive of the two conical blocks 121, the first semicircular plate 108 and the second semicircular plate 109 respectively drive two sliding blocks 106 to slide along the circular rod 105, a plurality of reset springs 107 gradually contract, then the outer cylinder 1 and the serrated ring cutter 101 gradually move downwards through the hand handle, the soil gradually enters from a gap between the first semicircular plate 108 and the second semicircular plate 109 and is stacked to the tops of the first semicircular plate 108 and the second semicircular plate 109, after soil is taken, the outer cylinder 1 is fixed, the bidirectional motor is started to drive the screw rod 125 to rotate, the two H-shaped rods 104 synchronously move upwards under the drive of the screw rod 125 and the guiding action of the H-shaped grooves 103, the H-shaped rods 104 drive the first semicircular plate 108, the second semicircular plate 109, the cylindrical sleeve 115 and the semicircular block 113 to synchronously move upwards, the Contraband-shaped rod 124 gradually keeps away from the bottom end of the annular plate 126, the two symmetrical front and back sliding blocks 106 move towards each other under the action of the elastic force of the reset springs 107, the sliding blocks 106 drive the first semicircular plate 108 and the second semicircular plate 109 to move towards each other, the two conical blocks 121 move downwards into the two circular grooves 123, the first semicircular plate 108 drives the serrated knife 111 to be matched with the serrated groove 110 to cut off root-shaped objects in the soil, the sealing performance between the first semicircular plate 108 and the second semicircular plate 109 is improved, and the situation that the root-shaped objects are clamped between the first semicircular plate 108 and the second semicircular plate 109 to cause sampling soil to be sampled from the first semicircular plate 108 and the second semicircular plate 109 is avoided The gap in flow out, reduced the phenomenon that seepage appears in a semicircle board 108 and No. two semicircle board 109 top soil then, further guaranteed the sample volume of a semicircle board 108 and No. two semicircle board 109 top soil.
In the second embodiment, referring to fig. 3, 5, 7 and 9-12, on the basis of the first embodiment, a sampling assembly 2 is disposed between two semicircular blocks 113, the sampling assembly 2 includes docking blocks 201 symmetrically disposed on the top of a first semicircular plate 108 and the top of a second semicircular plate 109, T-shaped plates 202 are movably sleeved on the outer walls of the two docking blocks 201, inclined slots are disposed in the middle of the opposite sides of the two T-shaped plates 202, permanent magnet blocks are embedded in the outer ends of the opposite sides of the two T-shaped plates 202, the top of the docking block 201 is flush with the top of the T-shaped plate 202, L-shaped rods 203 are symmetrically and slidably fitted on the ends of the tops of the two T-shaped plates 202, a cross plate 204 is fixedly connected to the tops of the two L-shaped rods 203, the bottom of the cross plate 204 is in contact with the tops of the two semicircular blocks 113, a cloth bag 205 is connected between the bottom of the cross plate 204 and the tops of the two T-shaped plates 202, the front end and the rear end of the top of the semicircular block 113 are symmetrically provided with grooves 206, the grooves 206 are matched with moving rods 207 in a sliding mode, the moving rods 207 are arranged to prevent the cross plate 204 from moving upwards, and the cross plate 204 is limited.
In this embodiment, it is preferable that: when the first semicircular plate 108 and the second semicircular plate 109 move back to back, the first semicircular plate 108 and the second semicircular plate 109 respectively drive the two T-shaped plates 202 to move back to back along the bottom ends of the two L-shaped rods 203, the opening at the lower end of the cloth bag 205 gradually opens, the sampled soil enters the cloth bag 205 from the gap between the first semicircular plate 108 and the second semicircular plate 109 for storage, when the first semicircular plate 108 and the second semicircular plate 109 move towards each other, the first semicircular plate 108 and the second semicircular plate 109 respectively drive the two T-shaped plates 202 to move towards each other along the bottom ends of the two L-shaped rods 203, the two T-shaped plates 202 are adsorbed to each other under the action of the permanent magnet blocks, the opening at the lower end of the cloth bag 205 is gradually closed, the sampled soil is retained in the cloth bag 205, when the cloth bag 205 needs to be assembled and disassembled, the plurality of movable rods 207 slide towards the side away from the cross plate 204 along the groove 206, and the plurality of movable rods 207 do not press the top of the cross plate 204 at this time, take out cross plate 204, sack 205 and T shaped plate 202, can accomplish the sample to soil, when the sack 205 of not taking a sample is placed to needs, establish two T shaped plates 202 respectively on two outer walls that butt joint piece 201, take cross plate 204 again and put at two semicircular block 113's top, slide a plurality of movable rods 207 and press the top of cross plate 204, can accomplish the change of sack 205, conveniently take a sample to the soil of the different degree of depth, and the soil that can not make the sample through setting up of sack 205 takes place to mix and the phenomenon of gluing the wall, the accuracy of heavy metal content in the detection soil has been guaranteed, the labour of the wall soil is glued in the clearance has been reduced.
In the third embodiment, referring to fig. 3-4, 6-7 and 9-10, on the basis of the first and second embodiments, the inner portion of the outer cylinder 1 is provided with the filter assembly 3, the filter assembly 3 includes L-shaped frames 301 transversely and symmetrically disposed at the front and rear ends of the top of the outer cylinder 1, one ends of the L-shaped frames 301 close to each other are fixedly connected with the support 302, opposite sides of the two transversely and symmetrically disposed supports 302 are longitudinally and rotatably connected with a plurality of rolling rollers 303, the plurality of rolling rollers 303 are slidably fitted with the cross plate 204, the tops of the first and second semicircular plates 108 and 109 are respectively provided with a plurality of discharge holes 304, the insides of the first and second semicircular plates 108 and 109 are respectively provided with hollow grooves 305 communicated with the discharge holes 304, opposite sides of the first and second semicircular plates 108 and 109 are respectively provided with discharge holes 306 communicated with the hollow grooves 305, and the two discharge holes 306 are located between the two semicircular blocks 113, the position symmetry fixedly connected with collecting vat 307 of two relief hole 306 is corresponded to the outer wall of cylinder sleeve 115, two collecting vat 307 mutually the side of the back all contact with the inside of urceolus 1, collecting vat 307 is located the below of a semicircle board 108 and No. two semicircle boards 109, blowdown hole 308 has been seted up to the position that the top of urceolus 1 outer wall corresponds two collecting vat 307, the bilateral symmetry that just is located L shape pole 203 between two semicircle piece 113 opposite sides is provided with cleaning brush 309, cleaning brush 309's bottom contacts with the top of a semicircle board 108 and No. two semicircle boards 109.
In this embodiment, it is preferable that: when the semicircular block 113, the first semicircular plate 108, the second semicircular plate 109 and the cylindrical sleeve 115 move upwards synchronously to the top of the outer cylinder 1, the cloth bag 205 moves synchronously with the semicircular block 113, the plurality of rolling rollers 303 extrude the outer wall of the cloth bag 205 to a certain degree in the process that the cloth bag 205 moves upwards, so that the moisture in the soil in the cloth bag 205 leaks out from the cloth bag 205, the soil in the cloth bag 205 is further filtered, the dryness of the soil is improved, the heavy metals in the soil can be extracted and detected, the soil in the cloth bag 205 is crushed by the extrusion of the rolling rollers 303, the soil in the cloth bag 205 is fully loosened, the detection precision is further improved, when the first semicircular plate 108 and the second semicircular plate 109 move oppositely or oppositely, the cleaning brush 309 can perform reciprocating cleaning on the tops of the first semicircular plate 108 and the second semicircular plate 109, the top neatness of the first half-round plate 108 and the second half-round plate 109 is further improved, the steps of subsequent cleaning are reduced, and the soil sampling efficiency is improved.
The working principle of the invention is as follows: firstly, an outer cylinder 1 and a serrated ring cutter 101 are inserted into soil to be collected through a hand handle, after the outer cylinder 1 and the serrated ring cutter 101 are inserted, the soil enters the inside of a cylindrical sleeve 115 under the shielding effect of an annular plate 126, an Contraband-shaped rod 124 drives two conical blocks 121 and two cylindrical blocks 119 to move upwards synchronously under the extrusion effect of the soil, the two cylindrical blocks 119 respectively drive two limiting rods 118 to move to the tops of two limiting grooves 117, at the moment, a first semicircular plate 108 and a second semicircular plate 109 are separated from each other under the drive of the two conical blocks 121, the first semicircular plate 108 and the second semicircular plate 109 respectively drive two sliding blocks 106 to slide along the circular rod 105, a plurality of reset springs 107 gradually contract, then the outer cylinder 1 and the serrated ring cutter 101 gradually move downwards through the hand handle, the soil gradually enters from a gap between the first semicircular plate 108 and the second semicircular plate 109 and is stacked to the tops of the first semicircular plate 108 and the second semicircular plate 109, after soil is taken, the outer cylinder 1 is fixed, the bidirectional motor is started to drive the screw rod 125 to rotate, the two H-shaped rods 104 synchronously move upwards under the drive of the screw rod 125 and the guiding action of the H-shaped grooves 103, the H-shaped rods 104 drive the first semicircular plate 108, the second semicircular plate 109, the cylindrical sleeve 115 and the semicircular block 113 to synchronously move upwards, the Contraband-shaped rod 124 gradually keeps away from the bottom end of the annular plate 126, the two symmetrical front and back sliding blocks 106 move towards each other under the action of the elastic force of the reset springs 107, the sliding blocks 106 drive the first semicircular plate 108 and the second semicircular plate 109 to move towards each other, the two conical blocks 121 move downwards into the two circular grooves 123, the first semicircular plate 108 drives the serrated knife 111 to be matched with the serrated groove 110 to cut off root-shaped objects in the soil, the sealing performance between the first semicircular plate 108 and the second semicircular plate 109 is improved, and the situation that the root-shaped objects are clamped between the first semicircular plate 108 and the second semicircular plate 109 to cause sampling soil to be sampled from the first semicircular plate 108 and the second semicircular plate 109 is avoided The gap in flow out, reduced the phenomenon that seepage appears in a semicircle board 108 and No. two semicircle board 109 top soil then, further guaranteed the sample volume of a semicircle board 108 and No. two semicircle board 109 top soil.
When the first half-round plate 108 and the second half-round plate 109 move back to back, the first half-round plate 108 and the second half-round plate 109 respectively drive the two T-shaped plates 202 to move back to back along the bottom ends of the two L-shaped rods 203, the opening at the lower end of the cloth bag 205 is gradually opened, the sampled soil enters the cloth bag 205 from the gap between the first half-round plate 108 and the second half-round plate 109 to be stored, when the first half-round plate 108 and the second half-round plate 109 move towards each other, the first half-round plate 108 and the second half-round plate 109 respectively drive the two T-shaped plates 202 to move towards each other along the bottom ends of the two L-shaped rods 203, the two T-shaped plates 202 are mutually adsorbed under the action of the permanent magnet blocks, the opening at the lower end of the cloth bag 205 is gradually closed, the sampled soil is retained in the cloth bag 205, when the cloth bag 205 needs to be assembled and disassembled, the plurality of moving rods 207 slide towards one side far away from the cross-shaped plate 204 along the groove 206, at this time, none of the plurality of moving rods 207 presses the top of the cross plate 204, take out cross plate 204, sack 205 and T shaped plate 202, can accomplish the sample to soil, when the sack 205 of not taking a sample is placed to needs, establish two T shaped plates 202 respectively the cover on two outer walls that butt joint piece 201, take cross plate 204 again and put at the top of two semicircle pieces 113, slide a plurality of carriage release levers 207 and press the top of cross plate 204, can accomplish the change of sack 205, the convenience is taken a sample to the soil of the different degree of depth, and the setting up through sack 205 can not make the soil of sample take place to mix and the phenomenon of gluing the wall, the accuracy of heavy metal content in the detection soil has been guaranteed, the labour of clearance wall-sticking soil has been reduced.
When the semicircular block 113, the first semicircular plate 108, the second semicircular plate 109 and the cylindrical sleeve 115 move upwards synchronously to the top of the outer cylinder 1, the cloth bag 205 moves synchronously with the semicircular block 113, the plurality of rolling rollers 303 extrude the outer wall of the cloth bag 205 to a certain degree in the process that the cloth bag 205 moves upwards, so that the moisture in the soil in the cloth bag 205 leaks out from the cloth bag 205, the soil in the cloth bag 205 is further filtered, the dryness of the soil is improved, the heavy metals in the soil can be extracted and detected, the soil in the cloth bag 205 is crushed by the extrusion of the rolling rollers 303, the soil in the cloth bag 205 is fully loosened, the detection precision is further improved, when the first semicircular plate 108 and the second semicircular plate 109 move oppositely or oppositely, the cleaning brush 309 can perform reciprocating cleaning on the tops of the first semicircular plate 108 and the second semicircular plate 109, the top neatness of the first half-round plate 108 and the second half-round plate 109 is further improved, the steps of subsequent cleaning are reduced, and the soil sampling efficiency is improved.

Claims (10)

1. The utility model provides a heavy metal content check out test set in soil and water, includes urceolus and the handle of symmetry setting on urceolus outer wall top, its characterized in that: the utility model discloses a soil sampling device, including urceolus, the top center of urceolus has seted up waist type hole, the I-shaped groove has all been seted up to two planar opposite sides in waist type hole, the equal symmetrical sliding fit in inside in two I-shaped grooves has the slider, the common half-round plate of fixedly connected with of two slider opposite sides of rear side, the common half-round plate of fixedly connected with two of the slider opposite sides of front side, a plurality of sawtooth grooves have been seted up to the one end that No. two half-round plates are close to No. one half-round plate, the position fixedly connected with a plurality of sawtooth swoves of the one end that No. two half-round plates are close to No. two half-round plates corresponds a plurality of sawtooth grooves, the one end central symmetry fixedly connected with fixed block that two I-round rod tops are close to, the equal fixedly connected with semicircle piece in opposite side of two fixed blocks, the bottom of No. one semicircle plate and No. two half-round plates is provided with the adjusting part that carries out the automation to No. one half-round plate and open and close, be provided with the sampling subassembly that is used for gathering soil between two semicircle pieces.
2. The apparatus for detecting the content of heavy metals in water and soil according to claim 1, wherein: i-shaped rods are respectively matched in the two I-shaped grooves in a sliding manner, strip-shaped grooves are respectively formed in the opposite sides of the two I-shaped rods, round rods are rotatably connected in the strip-shaped grooves, sliders are symmetrically and movably sleeved on the outer walls of the round rods, return springs are respectively connected between the opposite sides of the two sliders and the inner walls of the strip-shaped grooves, a second fixed block is fixedly connected to the center of the end, close to the bottom of each I-shaped rod, of the two I-shaped rods in a central symmetry manner, and cylindrical sleeves are fixedly connected to the opposite sides of the two second fixed blocks, one of them worker shape groove is kept away from between the upper and lower both ends of semicircle piece one side and is rotated and be connected with the screw rod, and the screw rod runs through the lateral wall of an worker shape pole and is connected through screw-thread fit's mode with worker shape pole, and the top of screw rod slides and runs through the top of urceolus and the transmission is connected with two-way motor, and the bottom movable sleeve of cylinder sleeve outer wall is equipped with the annular slab, and the outer wall of annular slab is laminated mutually with the inner wall of sawtooth cutting ring.
3. The apparatus for detecting the content of heavy metals in water and soil according to claim 1, wherein: the adjusting part is including seting up the round hole No. one at two semicircle piece top centers respectively, the spacing groove has been seted up to the inner wall symmetry of a round hole, the equal sliding fit in bottom of two spacing inslot portions has a gag lever post, the common fixedly connected with cylinder piece of the opposite side of two gag lever posts, No. two round holes have been seted up jointly to the position that the top of a semicircle board and No. two semicircle boards corresponds two cylinder pieces, two cylinder pieces are sliding fit respectively in two No. two round holes, the bottom of cylinder piece is leveled mutually with the bottom of No. two round holes, the equal fixedly connected with circular cone piece in bottom of two cylinder pieces, supreme reducing gradually is followed to the diameter of circular cone piece from down, and the diameter on circular cone piece top equals with the diameter of cylinder piece.
4. The apparatus for detecting the content of heavy metals in water and soil according to claim 3, wherein: the telescopic inner wall symmetry fixedly connected with side position piece of cylinder, the equal fixedly connected with circular slot in position that the top of two side position pieces just is located a semicircle board bottom, and two circular cone pieces are located the inside of two circular slots respectively, the common fixedly connected with Contraband type pole in bottom of two circular cone pieces, and the lateral wall of Contraband type pole is connected through sliding fit's method with the bottom of two circular slots respectively.
5. The apparatus for detecting the content of heavy metals in water and soil according to claim 2, wherein: the sampling assembly comprises butt joint blocks symmetrically arranged at the top of a first semicircular plate and the top of a second semicircular plate, T-shaped plates are movably sleeved on the outer walls of the two butt joint blocks, an L-shaped rod is symmetrically and slidably matched with one end of the top of the two T-shaped plates, the tops of the two L-shaped rods are fixedly connected with a cross plate, the bottom end of the cross plate is in contact with the tops of the two semicircular plates, and a cloth bag is connected between the bottom end of the cross plate and the tops of the two T-shaped plates and provided with a cloth bag.
6. The apparatus for detecting the content of heavy metals in water and soil according to claim 5, wherein: the middle parts of the two opposite sides of the T-shaped plates are provided with chutes, the outer ends of the two opposite sides of the T-shaped plates are embedded with permanent magnet blocks, and the tops of the butt-joint blocks are level with the tops of the T-shaped plates.
7. The apparatus for detecting the content of heavy metals in water and soil according to claim 1, wherein: the front end and the rear end of the top of the semicircular block are symmetrically provided with grooves, and moving rods are arranged in the grooves in a sliding fit mode.
8. The apparatus for detecting the content of heavy metals in water and soil according to claim 5, wherein: the inside of urceolus is provided with filtering component, and filtering component includes that horizontal symmetry sets up the L shape frame at both ends around the urceolus top, and the equal fixedly connected with support of one end that a plurality of L shape frames are close to mutually, and two equal vertical rotations in support opposite sides of horizontal symmetry are connected with a plurality of rollers that roll, a plurality of rollers that roll all with cross plate sliding fit.
9. The apparatus for detecting the content of heavy metals in water and soil according to claim 5, wherein: a plurality of small openings have all been seted up at the top of semicircle board and No. two semicircle boards, the hollow cavity that is linked together with the small opening is all seted up to the inside of semicircle board and No. two semicircle boards, the relief hole that communicates with the hollow cavity mutually is all seted up to the looks dorsal part of semicircle board and No. two semicircle boards, two relief holes all are located between two semicircle pieces, the positional symmetry fixedly connected with collecting vat of two relief holes is corresponded to the telescopic outer wall of cylinder, the back of the body side of two collecting vats all contacts with the inside of urceolus, the blowoff hole has been seted up to the position that the top of urceolus outer wall corresponds two collecting vats, the bilateral symmetry that just is located L shape pole between two semicircle piece opposite sides is provided with the cleaning brush.
10. A method for detecting the content of heavy metals in water and soil is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
s1, inserting the outer barrel and the serrated annular knife into soil to be collected through a hand-held handle;
s2, soil isolated by the outer barrel enters the cloth bag from a gap between the first semicircular plate and the second semicircular plate through the matching between the adjusting assembly and the sampling assembly to be stored;
s3, driving the cloth bag to gradually move towards the top of the outer cylinder through the screw rod, and realizing the loading and unloading of the cloth bag;
s4, extruding the soil taken out of the cloth bag through the filter assembly, and cleaning the tops of the first semicircular plate and the second semicircular plate.
CN202210199678.1A 2022-03-01 2022-03-01 Equipment and method for detecting content of heavy metal in water and soil Withdrawn CN114563554A (en)

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Application Number Priority Date Filing Date Title
CN202210199678.1A CN114563554A (en) 2022-03-01 2022-03-01 Equipment and method for detecting content of heavy metal in water and soil

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Application Number Priority Date Filing Date Title
CN202210199678.1A CN114563554A (en) 2022-03-01 2022-03-01 Equipment and method for detecting content of heavy metal in water and soil

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115165443A (en) * 2022-07-27 2022-10-11 生态环境部南京环境科学研究所 Soil multi-sample collecting device and method for detecting cadmium in soil
CN116499803A (en) * 2023-06-29 2023-07-28 云南省生态环境科学研究院 Mining area waste rock river sediment sampling method and sampling device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115165443A (en) * 2022-07-27 2022-10-11 生态环境部南京环境科学研究所 Soil multi-sample collecting device and method for detecting cadmium in soil
CN115165443B (en) * 2022-07-27 2023-05-16 生态环境部南京环境科学研究所 Soil multi-sample collection equipment and method for cadmium detection in soil
CN116499803A (en) * 2023-06-29 2023-07-28 云南省生态环境科学研究院 Mining area waste rock river sediment sampling method and sampling device
CN116499803B (en) * 2023-06-29 2023-08-25 云南省生态环境科学研究院 Mining area waste rock river sediment sampling method and sampling device

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Application publication date: 20220531