CN111426713A - Portable soil heavy metal short-term test appearance - Google Patents
Portable soil heavy metal short-term test appearance Download PDFInfo
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- CN111426713A CN111426713A CN202010436465.7A CN202010436465A CN111426713A CN 111426713 A CN111426713 A CN 111426713A CN 202010436465 A CN202010436465 A CN 202010436465A CN 111426713 A CN111426713 A CN 111426713A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/2202—Preparing specimens therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/2204—Specimen supports therefor; Sample conveying means therefore
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/076—X-ray fluorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/312—Accessories, mechanical or electrical features powder preparation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/616—Specific applications or type of materials earth materials
Abstract
The invention relates to a portable soil heavy metal rapid detector, which comprises a detection box body, a detection cavity, an X-ray tube, a silicon drift detector, a processor and a touch screen, wherein a horizontal processing tube is arranged in the detection box body, one end of the horizontal processing tube is provided with a soil processing inlet, and the other end of the horizontal processing tube is provided with a soil processing outlet; the horizontal processing pipe is provided with a plurality of mashing tracks; a rotary lead screw is arranged at the central axis of the horizontal processing pipe, a rotary motor is fixedly connected with one end of the rotary lead screw, and the middle parts of the soil crushing disc and the bulldozing disc are fixedly connected through a lead screw nut; can detect soil on the spot, put into the soil that will gather on the spot when detecting and put into the detection case through soil entry in, the soil that enters into in the box carries out the breakage through hack disc back and forth movement to the soil of gathering, screens through the sieve mesh through the soil after carrying out the breakage, has reduced the step that detects, has improved the efficiency that detects.
Description
Technical Field
The invention relates to the technical field of soil detection, in particular to a portable soil heavy metal rapid detector.
Background
Heavy metals in inorganic pollutants in soil are prominent, mainly because the heavy metals cannot be decomposed by microorganisms in the soil, are easy to accumulate and are converted into methyl compounds with higher toxicity, even some heavy metals are accumulated in a human body at harmful concentration through a food chain and seriously harm the health of the human body, and the heavy metal elements in the polluted soil mainly comprise mercury, cadmium, lead, nickel, zinc and the like; heavy metal in soil absorbs high-energy X rays, so that inner layer electrons of heavy metal atoms are excited into free electrons after absorbing the energy of the X rays; then the electron of the outer layer can fill the vacancy of the electron of the inner layer, which is electron transition, and the electron transition can emit X-ray fluorescence; the energy of the electron transition is equal to the energy difference between the two electron levels, and the energy or wavelength of the X-ray fluorescence is characteristic and has a one-to-one correspondence with the element. Therefore, the heavy metal species contained in the monitored soil can be judged by emitting the energy or wavelength of the X-ray to the heavy metal in the soil.
When heavy metal pollution in soil is detected at present, the soil needs to be collected in a polluted place, the collected soil is brought into a laboratory to be crushed, the crushed soil is placed into a detection cavity in a soil detector, then an X-ray tube is started, X-rays emitted by the X-ray tube penetrate through the soil and are received by a silicon drift detector, then the silicon drift detector sends received X-ray signals to a processor, and the received energy and wavelength of the X-ray light passing through the soil after the X-ray signals are analyzed by the processor correspond to the category of heavy metal in the soil according to the energy and wavelength of the X-ray light; however, the detection of contaminated soil in the field cannot be performed, all the soil needs to be taken into a laboratory for detection, which brings great inconvenience to the detection of soil in the field, and the soil is first crushed at the time of detection and cannot be directly put into a detector for detection, which brings great inconvenience to the detection of soil in the field.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a portable rapid soil heavy metal detector which can carry out field detection in soil pollution and can directly put collected soil into the detector without independently crushing the soil during detection.
In order to achieve the purpose, the invention adopts the following technical scheme that the portable soil heavy metal rapid detector comprises a detection box body, a detection cavity arranged in the detection box body, an X-ray tube and a silicon drift detector which are arranged in the detection cavity and used for detecting heavy metal in soil, wherein the silicon drift detector is electrically connected with a processor arranged in the detection box body, the processor is bidirectionally and electrically connected with a touch screen arranged on the detection box body, a horizontal processing tube is fixedly arranged in the detection box body, the upper part of one end of the horizontal processing tube is provided with a processed soil inlet which is communicated with the soil inlet arranged on the detection box body through a horn connecting tube, the lower part of the other end of the horizontal processing tube is provided with a processed soil outlet which is communicated with the soil outlet on one side of the detection box body through an inclined pipeline;
a plurality of mashing tracks parallel to the central axis of the horizontal processing pipe are arranged at the inner bottom of the horizontal processing pipe, a plurality of sieve pores penetrating through the bottom of the horizontal processing pipe are arranged in the mashing track close to the soil processing outlet end, the sieve pores are communicated with a crushed soil collecting funnel fixedly arranged at the bottom of the horizontal processing pipe, and the bottom of the crushed soil collecting funnel is positioned right above the detection cavity;
the axis position of horizontal processing pipe is equipped with the rotation lead screw, and this one end of rotating the lead screw and one side swing joint of detection box, the other end extend to the detection box outside with the fixed rotation motor fixed connection that is equipped with in the detection box outside, the horizontal processing intraductal hack disc and the bull-dozing disc that carries out axial motion along the horizontal processing intraductal being equipped with of pipe, be equipped with the hack tooth that inserts in mashing to the orbit on the axial face of hack disc lower extreme, be equipped with on the axial face of bull-dozing disc lower extreme and promote the promotion brush that the hack removed in the horizontal processing pipe, just the hack disc is close to and handles soil outlet end, lead screw nut fixed connection is passed through at the middle part of hack disc and bull-dozing disc.
The middle parts of the soil crushing disc and the soil pushing disc are fixedly connected through a connecting sleeve, and the lead screw nut is fixedly arranged in the connecting sleeve.
The mashing track is at least three, and the sieve holes are positioned at the lowest part of the mashing track.
The cross section of the mashing track is trapezoidal, and the bottom of the soil crushing teeth is provided with cutting blades which axially move along the horizontal processing pipe.
And the four corners of the bottom of the detection box body are provided with supporting mechanisms for supporting the detection box body.
The supporting mechanism comprises a connecting rod located in the detection box body, one end of the connecting rod extends to the outside of the bottom of the detection box body and is fixedly connected with a ground pin arranged outside the detection box body, and a stirring assembly used for stirring the connecting rod to move is arranged in the detection box body.
The poking assembly comprises a first sliding chute, a fixed block, a rack and a second sliding chute, wherein the first sliding chute is formed in the side edge of the detection box body and communicated with the detection box body, the fixed block is fixedly arranged on the connecting rod, the rack is fixedly arranged in the detection box body, and the second sliding chute is fixedly arranged in the detection box body and is parallel to the connecting rod; the second sliding chute is positioned at the inner side of the connecting rod;
the fixed block is provided with positioning teeth meshed with the rack on the end face of the rack; a pulling button which slides along the first sliding groove and the end part of which is positioned in the detection box body is inserted into the first sliding groove;
the sliding block moving along the second sliding groove is arranged in the second sliding groove, a groove is formed in the end face of the sliding block, a pin shaft is arranged in the groove, the end portion, inserted into the groove, of the pin shaft is connected with the bottom of the groove through a compression spring, and the end portion, located outside the groove, of the pin shaft is fixedly connected with the end face, opposite to the pulling button, of the fixed block.
The ground feet are fixedly connected with the connecting rod through a connecting block.
The touch screen and the soil inlet are located on the same side of the detection box body.
The invention has the beneficial effects that: the soil can be detected on the spot, the soil collected on the spot is placed into the detection box body through the soil inlet during detection, the soil entering into the box body is crushed through the reciprocating motion of the soil crushing disc, the crushed soil is screened through the sieve mesh, the screened soil enters into the detection cavity for detection, and is not required to be crushed through other equipment, so that the detection steps are reduced, the detection efficiency is improved, the soil can be directly detected in a polluted ground during use, and the detection precision is prevented from being influenced by sending into a laboratory;
adopt supporting mechanism to support whole detection box, pull the button and make tooth piece and rack stagger outside the pulling of process accessible that supports, then the accessible removes and pulls the button and drive branch and remove to stretch out the length of casing to branch and adjust, thereby still can stabilize effectual support to the detector on uneven ground of height.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional structure of the present invention;
FIG. 3 is a schematic view showing the structure of the installation part in the horizontal treatment pipe in the present invention;
FIG. 4 is a schematic view showing the structure of the soil crushing disk connected to the horizontal treatment pipe in the present invention;
FIG. 5 is a schematic view of the construction of the toggle assembly of the support structure of the present invention;
FIG. 6 is a side view of the toggle assembly of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example 1
As shown in fig. 1 and 2, the portable soil heavy metal rapid detector comprises a detection box body 1, a detection cavity 10 arranged in the detection box body 1, an X-ray tube 11 and a silicon drift detector 12 which are arranged in the detection cavity 10 and used for detecting heavy metals in soil, wherein the silicon drift detector 12 is electrically connected with a processor arranged in the detection box body 1, and the processor is bidirectionally and electrically connected with a touch screen 3 arranged on the detection box body 1; the X-ray tube 11 and the silicon drift detector 12 are respectively arranged at two sides of the detection cavity, so that X-rays emitted by the X-ray tube can penetrate through soil in the detection cavity 10 to enter the silicon drift detector 12 when detection is carried out, the energy and the wavelength of the rays detected by the silicon drift detector 12 are sent to the processor, the processor corresponds to the type of heavy metal contained in the soil according to the energy and the wavelength of the received rays after penetration, and can accurately detect the heavy metal in the soil, a battery compartment is arranged in the detection box body 1, a battery is arranged in the battery compartment, and is respectively and electrically connected with the X-ray tube 11, the silicon drift detector 12 and the touch screen 3 to provide power for the X-ray tube 11, the silicon drift detector 12 and the touch screen 3, when in use, the X-ray tube 11 is started through the touch screen to detect the soil, and belongs to the common knowledge in the technical field, which will not be elaborated upon here.
As shown in fig. 2, a horizontal processing pipe 4 is fixedly arranged in the detection box body 1, a processed soil inlet 5 is arranged at the upper part of one end of the horizontal processing pipe 4, the processed soil inlet 5 is communicated with a soil inlet 2 arranged on the detection box body 1 through a horn connecting pipe 6, a processed soil outlet 13 is arranged at the lower part of the other end of the horizontal processing pipe 4, and the processed soil outlet 13 is communicated with a soil outlet 15 at one side of the detection box body 1 through an inclined pipeline 14; the horizontal pipe is supported by 4 steel materials, the two ends of the horizontal processing pipe 4 are fixedly connected with the two sides in the detection box body 1, the two sides of the horizontal processing pipe 4 are plugged by the inner side of the detection box body 1, the soil inlet 2 is arranged on the box body on the same side with the touch screen 3, a plugging plug is arranged at the soil inlet 2 and used for plugging the soil inlet, the soil inlet is communicated with the horizontal processing pipe 4 through a horn connecting pipe, the collected soil can smoothly enter the horizontal processing pipe 4 from the soil inlet in use, the processed soil outlet is communicated with the soil outlet through an inclined pipeline, and the soil in the horizontal processing pipe 4 can be smoothly discharged;
a plurality of mashing tracks 16 parallel to the central axis of the horizontal processing pipe 4 are arranged at the inner bottom of the horizontal processing pipe 4, a plurality of sieve pores 17 penetrating through the bottom of the horizontal processing pipe 4 are arranged in the mashing track 16 close to the end of the processed soil outlet 13, the sieve pores 17 are communicated with a crushed soil collecting funnel 9 fixedly arranged at the bottom of the horizontal processing pipe 4, and the bottom of the crushed soil collecting funnel 9 is positioned right above the detection cavity 10;
the sieve holes are used for screening the crushed soil entering the horizontal processing pipe, and the screened crushed soil falls into the crushed soil collecting funnel 9 through the sieve holes and enters the detection cavity 10 for heavy metal detection; the large-particle soil left in the horizontal treatment pipe 4 is discharged out of the horizontal pipe through a treated soil outlet;
the axis position of horizontal processing pipe 4 is equipped with rotates lead screw 7, this one end that rotates lead screw 7 and one side swing joint that detects box 1, and the other end extends to and detects box 1 outer and the fixed rotation motor 8 fixed connection that is equipped with in the box 1 outside, be equipped with in the horizontal processing pipe 4 and carry out axial motion's hack disc 18 and bulldozing disc 19 along horizontal processing pipe 4 intraductal, be equipped with on the axial face of hack disc 18 lower extreme and insert the hack tooth 21 of smashing among the track 16 to pieces, be equipped with on the axial face of bulldozing disc 19 lower extreme and promote the promotion brush 22 that the hack removed in the horizontal processing pipe 4, just hack disc 18 is close to and handles soil export 13 end, 23 fixed connection are passed through at the middle part of hack disc 18 and bulldozing disc 19, lead screw nut 23 and rotation lead screw 7 threaded connection. The soil crushing disc moves back and forth in the horizontal processing pipe 4 along the length direction of the horizontal processing pipe 4, and the soil entering the crushing track is crushed back and forth through the soil crushing teeth arranged on the soil crushing disc; the purpose of soil crushing is realized, the soil entering the horizontal processing pipe 4 is pushed by the bulldozing disc 19, the crushed soil is pushed to the sieve holes through the bulldozing disc and is screened through the sieve holes, and the screened soil is continuously pushed to the processed soil outlet 13 through the bulldozing disc 19 to be discharged;
specifically, when the soil conditioner is used, soil to be detected enters the horizontal processing pipe 4 through a soil inlet, at the moment, the rotating motor 8 is started, the rotating motor drives the rotating lead screw 7 to rotate, as shown in fig. 3 and 4, the middle parts of the soil crushing disk 18 and the bulldozing disk 19 are fixedly connected through the connecting sleeve 20, the lead screw nut 23 is fixedly arranged in the connecting sleeve 20, when the rotating lead screw 7 rotates, as the crushing teeth in the soil crushing disk 18 are movably connected with the crushing track, the soil crushing disk 18 cannot rotate due to the rotation of the rotating lead screw 7 and can only move left and right along the crushing track, when the rotating motor drives the rotating lead screw 7 to rotate, the soil crushing disk moves to crush the soil in the crushing track back and forth, and when the rotating motor rotates forwards, the soil crushing disk and the bulldozing disk move forwards, the hack disc carries out the hack, the bull-dozer disc promotes all soil forward, after the certain distance of motion, the rotation motor reversal, hack disc and bull-dozer disc are far east backward, the hack disc is when the backward motion, continue to carry out the breakage, accomplish the breakage of whole soil, after the breakage is accomplished, the rotation motor continues to rotate, bull-dozer disc and hack disc move forward always, push into the sieve mesh with the soil after the breakage and filter, then continue to promote, push into the soil after the screening and get rid of processing soil export 13, accomplish the breakage of soil, soil after the screening enters into and detects the chamber and carry out heavy metal detection.
Carry out the breakage that the back-and-forth movement carries out soil through broken tooth in the hack disc and pound the track, reduced the broken noise through other forms, shared area is less simultaneously, has guaranteed the purpose that whole detector can conveniently carry.
In order to guarantee that the hack disc can be stable move about in horizontal processing pipe, realize many simultaneously and smash track 16 and can carry out many soil and carry out the breakage smash track 16 is three at least, sieve mesh 17 is located the minimum of smashing track 16.
In order to ensure the efficiency of soil crushing, the section of the mashing track 16 is trapezoidal, and the bottom of the mashing teeth 21 is provided with a cutting blade which moves along the axial direction of the horizontal processing pipe 4.
Example 2
On the basis of embodiment 1, in order to ensure that the detection box 1 can be supported at any time when in use, the four corners of the bottom of the detection box 1 are provided with supporting mechanisms for supporting the detection box 1.
The supporting mechanism shown in fig. 5 and 6 includes a connecting rod 26 located in the detection box 1, one end of the connecting rod 26 extends to the outside of the bottom of the detection box 1 and is fixedly connected with a ground pin 27 arranged outside the detection box 1, and a toggle assembly for toggling the connecting rod 26 to move is arranged in the detection box 1. The toggle assembly toggles the connecting rod 26 to move, and drives the anchor 27 to stretch and retract, so as to support the whole detection box body 1;
the shifting assembly comprises a first sliding chute 24 which is arranged on the side edge of the detection box body 1 and communicated with the interior of the detection box body 1, a fixed block 28 which is fixedly arranged on the connecting rod 26, a rack 29 which is fixedly arranged in the detection box body 1, and a second sliding chute which is fixedly arranged in the detection box body 1 and is parallel to the connecting rod 26; the second chute is located inside the connecting rod 26; second spout and first spout 24 be parallel to each other, the second spout is established on the baffle in the detection box, guarantees sliding block 31 can carry out stable slip in the second spout, guarantees when the pulling button, can stably drive the connecting rod and remove.
The end face of the fixed block 28, which is opposite to the rack 29, is provided with positioning teeth 30 meshed with the rack 29; a pull button 25 which slides along the first chute 24 and the end part of which is positioned in the detection box body 1 is inserted into the first chute 24;
a sliding block 31 moving along the second sliding groove is arranged in the second sliding groove, a groove 32 is formed in the end face of the sliding block 31, a pin shaft 33 is arranged in the groove 32, the pin shaft 33 is inserted into the end portion of the groove 32 and connected with the bottom of the groove 32 through a compression spring 34, and the end portion, located outside the groove 32, of the pin shaft 33 is fixedly connected with the end face of the fixed block 28 opposite to the pulling button 25.
The anchor 27 and the connecting rod 26 are fixedly connected through a connecting block 35.
When supporting specifically, can outwards stimulate the knob 25 before using, drive the removal of location tooth 30 through the knob 25 then, make location tooth 30 and rack 29 break away from the meshing state, remove the pulling button 25 afterwards, the pulling button drives the connecting rod and stretches out and draws back in the detection case, changes the length of connecting rod, and then changes the height that supports the detection box, when removing, sliding block 31 is in remove in the second spout, guarantee the stability of removal, at the outwards pulling during the pulling button 25, compression spring 24 is stretched, when the connecting rod stimulates when formulating the position, not hard up work button, the compression spring that is stretched this moment needs to reset, drives the location tooth and meshes with the rack from new, couples together location tooth and rack, has guaranteed the stability of supporting.
When adjusting, through meshing and separation between rack and the location tooth guarantee the flexible and location of connecting rod, make things convenient for whole support and the altitude mixture control that detects the box, improved the support stability that detects the box.
The above embodiments are merely illustrative of the present invention, and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides a portable soil heavy metal short-term test appearance, includes detection box (1), establishes detection chamber (10) in detecting box (1), establishes X-ray tube (11) and silicon drift detector (12) that are used for detecting heavy metal in the soil in detecting chamber (10), and this silicon drift detector (12) are connected with the treater electricity that is equipped with in detecting box (1), the treater is connected with the two-way electricity of touch-sensitive screen (3) of establishing on detecting box (1), its characterized in that, it is equipped with horizontal processing pipe (4) to detect box (1) internal fixation, the upper portion of horizontal processing pipe (4) one end is equipped with handles soil entry (5), should handle soil entry (5) and the soil entry (2) that are equipped with on detecting box (1) and communicate through loudspeaker connecting pipe (6), the lower part of the horizontal processing pipe (4) other end is equipped with handles soil outlet (13), the treated soil outlet (13) is communicated with a soil outlet (15) at one side of the detection box body (1) through an inclined pipeline (14);
a plurality of mashing tracks (16) parallel to the central axis of the horizontal treatment pipe (4) are arranged at the inner bottom of the horizontal treatment pipe (4), a plurality of sieve pores (17) penetrating through the bottom of the horizontal treatment pipe (4) are arranged in the mashing track (16) close to the end of the treated soil outlet (13), the sieve pores (17) are communicated with a crushed soil collection funnel (9) fixedly arranged at the bottom of the horizontal treatment pipe (4), and the bottom of the crushed soil collection funnel (9) is positioned right above the detection cavity (10);
the center axis position of the horizontal processing pipe (4) is provided with a rotary lead screw (7), one end of the rotary lead screw (7) is movably connected with one side of the detection box body (1), the other end of the rotary lead screw extends out of the detection box body (1) and is fixedly connected with a rotary motor (8) fixedly arranged on the outer side of the detection box body (1), a soil crushing disc (18) and a bulldozing disc (19) which axially move along the inside of the horizontal processing pipe (4) are arranged in the horizontal processing pipe (4), soil crushing teeth (21) inserted into a crushing track (16) are arranged on the axial surface of the lower end of the soil crushing disc (18), a pushing brush (22) for pushing the soil in the horizontal processing pipe (4) to move is arranged on the axial surface of the lower end of the bulldozing disc (19), the soil crushing disc (18) is close to the end of a soil processing outlet (13), and the middle parts of the soil crushing disc (18) and the bulldozing disc (19), the screw nut (23) is in threaded connection with the rotary screw (7).
2. The portable soil heavy metal rapid detector according to claim 1, wherein the middle parts of the soil crushing disc (18) and the soil pushing disc (19) are fixedly connected through a connecting sleeve (20), and the screw nut (23) is fixedly arranged in the connecting sleeve (20).
3. The portable soil heavy metal rapid detector according to claim 1, wherein the number of the mashing track (16) is at least three, and the sieve holes (17) are positioned at the lowest part of the mashing track (16).
4. The portable soil heavy metal rapid detector according to claim 1, wherein the section of the mashing track (16) is trapezoid, and the bottom of the soil crushing teeth (21) is provided with a cutting blade moving along the axial direction of the horizontal processing pipe (4).
5. The portable soil heavy metal rapid detector according to claim 1, characterized in that the four corners of the bottom of the detection box body (1) are provided with supporting mechanisms for supporting the detection box body (1).
6. The portable soil heavy metal rapid detector according to claim 5, wherein the supporting mechanism comprises a connecting rod (26) located in the detection box body (1), one end of the connecting rod (26) extends out of the bottom of the detection box body (1) and is fixedly connected with a ground pin (27) arranged outside the detection box body (1), and a stirring assembly used for stirring the connecting rod (26) to move is arranged in the detection box body (1).
7. The portable soil heavy metal rapid detector according to claim 6, wherein the toggle assembly comprises a first sliding groove (24) which is arranged at the side of the detection box body (1) and is communicated with the inside of the detection box body (1), a fixed block (28) which is fixedly arranged on the connecting rod (26), a rack (29) which is fixedly arranged in the detection box body (1), and a second sliding groove which is fixedly arranged in the detection box body (1) and is parallel to the connecting rod (26); the second sliding chute is positioned at the inner side of the connecting rod (26);
the end face of the fixed block (28) opposite to the rack (29) is provided with a positioning tooth (30) meshed with the rack (29); a pull button (25) which slides along the first sliding groove (24) and the end part of which is positioned in the detection box body (1) is inserted into the first sliding groove (24);
be equipped with in the second spout along the sliding block (31) of second spout removal, the terminal surface of sliding block (31) is equipped with recess (32), be equipped with round pin axle (33) in recess (32), this round pin axle (33) are inserted the tip of recess (32) and are connected through compression spring (34) with the bottom of recess (32), and this round pin axle (33) are located recess (32) outside tip and pulling button (25) to fixed block (28) terminal surface fixed connection that is right.
8. The portable soil heavy metal rapid detector according to claim 6 or 7, characterized in that the ground feet (27) and the connecting rods (26) are fixedly connected through connecting blocks (35).
9. The portable soil heavy metal rapid detector according to claim 1, wherein the touch screen (3) and the soil inlet (2) are located on the same side of the detection box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010436465.7A CN111426713B (en) | 2020-05-21 | 2020-05-21 | Portable soil heavy metal short-term test appearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010436465.7A CN111426713B (en) | 2020-05-21 | 2020-05-21 | Portable soil heavy metal short-term test appearance |
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| CN111426713A true CN111426713A (en) | 2020-07-17 |
| CN111426713B CN111426713B (en) | 2023-02-24 |
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| CN202010436465.7A Active CN111426713B (en) | 2020-05-21 | 2020-05-21 | Portable soil heavy metal short-term test appearance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323856A (en) * | 2021-12-29 | 2022-04-12 | 安徽三义堂生物科技有限公司 | Intelligent detection equipment for residual heavy metals in traditional Chinese medicine decoction pieces |
| CN117491112A (en) * | 2023-12-29 | 2024-02-02 | 沈阳汇达丰生物科技有限公司 | Soil environmental pollution check out test set |
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| CN117491112A (en) * | 2023-12-29 | 2024-02-02 | 沈阳汇达丰生物科技有限公司 | Soil environmental pollution check out test set |
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