A soil sampling detection device for detecting soil acidity and alkalinity

Abstract

The application discloses a soil sampling and detecting device for detecting soil acidity and alkalinity, relates to the technical field of soil sampling and detecting, and comprises a working frame, glass plates installed on both sides of the working frame, a sampling mechanism, a sampling frame, a movable opening and a sampling screw rod, a sampling frame arranged in the middle of the inner cavity of the working frame, a movable opening formed in the middle of the bottom end of the sampling frame, and a sampling screw rod movably installed in the inner cavity of the movable opening. When the soil is detected, the impurities in the sample soil and the viscosity and strength of the soil are detected in a physical manner, the soil sample is scattered during the detection process, the contact between the detection liquid and the sample soil is more sufficient, the reaction efficiency between the detection liquid and the sample soil is improved through stirring, and the detection sampling equipment does not need to be opened during detection, and observation and judgment can be directly performed outside.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of soil sampling detection, in particular to a soil sampling detection device for detecting soil acidity and alkalinity. BACKGROUND

[0002] At present, detecting soil acidity and alkalinity is an important index for evaluating whether the soil quality is suitable for plant growth conditions. The existing soil detection method is to move the collected soil to a laboratory for detection, which is not fast and convenient, and the soil sample cannot be decontaminated and scattered during the detection process. If the soil sample contains a large amount of impurities, the accuracy of the later detection will be affected, and the detection reaction of the detection liquid and the soil is not fast enough, which greatly reduces the efficiency of the detection reaction. SUMMARY

[0003] The application aims to provide a soil sampling detection device for detecting soil acidity and alkalinity to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the application provides the following technical scheme: a soil sampling detection device for detecting soil acidity and alkalinity, comprising a working frame, glass plates are installed on both sides of the working frame;

[0005] A sampling mechanism, the sampling mechanism comprises a sampling frame, a movable opening and a sampling screw rod, a sampling frame is arranged in the middle of the inner cavity of the working frame, a movable opening is formed in the middle of the bottom end of the sampling frame, and a sampling screw rod is movably installed in the inner cavity of the movable opening;

[0006] A scattering detection mechanism, the scattering detection mechanism comprises moving wheels and friction ring strips, a plurality of moving wheels are arranged on the middle upper end of the inner cavity of the sampling frame, and friction ring strips are installed on the middle upper end of the inner cavity of the sampling frame.

[0007] Preferably, the sampling mechanism further comprises a detection notch, a rotating rod, a single-phase motor, an electric push rod, an observation plate and a moving pulley, the rotating rod is installed at the top end of the sampling screw rod, the single-phase motor is installed on the top end of the sampling frame through a mounting seat, the output shaft at the bottom end of the single-phase motor is connected with the rotating rod penetrating through the top end of the sampling frame, the electric push rod is installed at the top end of the inner cavity of the working frame, the bottom end of the electric push rod is connected with the top end of the single-phase motor, the control panel is installed on the front side of the working frame, the single-phase motor and the electric push rod are electrically connected with the control panel, the observation plate is installed on both sides of the sampling frame, the detection notch is formed in the bottom end of the inner cavity of the sampling frame, the detection notch is in a circular ring structure in plan view, and the bottom end of the inner cavity of the detection notch is in a circular arc structure.

[0008] Preferably, the detection slot inner cavity bottom end is provided with a discharge port, and the discharge port inner cavity is provided with a discharge blocking plate.

[0009] Preferably, the device further comprises a limiting adjustment mechanism, the limiting adjustment mechanism comprises a fixed slot, a fixed electromagnetic block, a movable mounting plate, a mounting spring, a movable round block, a limiting notch, a limiting protrusion and a connecting magnetic plate, the rotating rod bottom end is provided with a fixed bearing, the fixed bearing bottom end is provided with a connecting rod around, and the connecting rod bottom end is connected with the sampling screw rod top end, the sampling screw rod top end is provided with a fixed slot, the fixed slot inner cavity bottom end is provided with a fixed electromagnetic block, the fixed slot inner cavity upper end is provided with a movable mounting plate, the movable mounting plate top end is provided with a mounting spring around, the mounting spring top end is connected with the fixed slot inner cavity top end, the movable mounting plate top end is provided with a movable round block, the movable round block top end is provided with a plurality of limiting protrusions equidistantly, the rotating rod bottom end is provided with a limiting notch around at the opposite position of the limiting protrusion, the limiting protrusion top end is provided with a ball, the movable mounting plate bottom end is provided with a connecting magnetic plate, and the fixed electromagnetic block is electrically connected with the control panel.

[0010] Preferably, the scattering detection mechanism further comprises a rotating rod, an arc-shaped scraping strip, a mounting shaft sleeve, a fixed frame rod, a processing frame rod, a fixed ring sleeve, a fixed rod, a rubber ring, a pressure control switch, a moving arc groove, a pressing spring, a guide coil, a moving arc block and a connected guide block, the rotating rod middle upper end is provided with a fixed frame rod, the moving wheel outside is provided with a mounting shaft sleeve through a bearing, the mounting shaft sleeve is in U-shaped structure, the fixed frame rod far away from the rotating rod one end is connected with the mounting shaft sleeve one side, the moving wheel outside is provided with a rubber ring around, the friction ring strip inner side top end and bottom end are provided with an annular blocking strip, and the annular blocking strip one side close to the moving wheel is provided with a plurality of balls, the mounting shaft sleeve bottom end far away from the fixed frame rod one side is provided with a plurality of fixed rods, the detection slot inner cavity bottom end is provided with a plurality of arc-shaped scraping strips around, the fixed rod bottom end is connected with the arc-shaped scraping strip top end one side, the moving wheel bottom end middle part is provided with a rotating rod, the rotating rod bottom end passes through the mounting shaft sleeve and is provided with a plurality of fixed ring sleeves, the fixed ring sleeve two sides are provided with a processing frame rod, and the pressure control switch is electrically connected with the control panel.

[0011] Preferably, the fixed ring is provided with moving arc grooves on both sides, the moving arc grooves are provided with guide coils on one side, the moving arc grooves are provided with moving arc blocks on one side, the moving arc blocks are provided with on-off guide blocks on one side, the on-off guide blocks are in contact with the guide coils on one side, the on-off guide blocks and the guide coils are electrically connected with the control panel, the moving arc blocks are provided with extrusion springs on one side, the moving arc grooves are provided with pressure control switches on one side close to the extrusion springs, the treatment frame rods are provided with sealing sleeves on one end close to the moving arc grooves, the sealing sleeves are connected with the fixed ring on the other side, and the arc-shaped scraping strips are made of rubber.

[0012] Preferably, the device further comprises a droplet mechanism, the droplet mechanism comprises a movable pressing plate, an extrusion air bag, a movable mounting pipe, a fixed plate, a connecting air pipe, a storage frame, a conveying electromagnetic valve, a conveying pipe, a working electromagnetic valve and a spray head, the fixed plate is installed at the right side of the inner cavity of the working frame, the extrusion air bag is installed at the top of the fixed plate, the storage frame is installed at the left side of the top of the sampling frame, the detection liquid is added in the storage frame, the movable pressing plate is installed at the top of the extrusion air bag, the movable mounting pipe is installed at one side of the bottom of the movable pressing plate, the movable mounting pipe is connected with one side of the top of the sampling frame, the electromagnetic one-way valve is installed at the left side of the bottom of the movable mounting pipe, the connecting air pipe is installed at the left side of the electromagnetic one-way valve, the connecting air pipe is connected with the right side of the storage frame, the liquid level sensor is installed at one side of the inner cavity of the storage frame, the air holes are arranged at the left side of the inner cavity of the movable pressing plate and the bottom of the left side of the movable mounting pipe, the air inlet one-way valve is installed at the bottom of the fixed plate, the round holes are arranged at the bottom of the extrusion air bag and the middle of the fixed plate, the conveying pipe is installed at the top of the inner cavity of the sampling frame, the spray heads are installed at the bottom of the conveying pipe on both sides, the conveying electromagnetic valve is installed at the left side of the top of the inner cavity of the sampling frame, the conveying electromagnetic valve is connected with the top of the conveying pipe, the working electromagnetic valve is installed at the right side of the top of the conveying pipe, the working electromagnetic valve is connected with the top of the inner cavity of the sampling frame, the conveying electromagnetic valve, the working electromagnetic valve, the liquid level sensor and the electromagnetic one-way valve are electrically connected with the control panel, the round holes are arranged at the top of the conveying pipe on both sides, the bottom of the inner cavity of the movable mounting pipe is in a hollow structure, the conveying holes are arranged at the top of the sampling frame on both sides, and the round hole is arranged at the bottom of the storage frame.

[0013] Preferably, the device further comprises a pretreatment mechanism, the pretreatment mechanism comprises an umbrella-shaped ring plate, a treatment screen, a rotating circular block, a pushing inclined block, a mounting circular sleeve, a mounting sliding groove, a mounting sliding block, a fixed spring and a pressure touch switch, a treatment screen is installed around the middle of the inner cavity of the sampling frame, the bottom end of the inner cavity of the treatment screen is in an arc structure, mounting sliding grooves are arranged on both sides of the middle of the inner cavity of the sampling frame, a mounting sliding block is slidably installed at the top end of the inner cavity of the mounting sliding groove, one end of the mounting sliding block away from the mounting sliding groove is connected with one side of the treatment screen, a fixed spring is installed at the bottom end of the inner cavity of the mounting sliding block, the bottom end of the fixed spring is connected with the bottom end of the inner cavity of the mounting sliding groove, a pressure touch switch is installed at the bottom end of the inner cavity of the mounting sliding groove on the left side, a plurality of rotating circular blocks are equidistantly installed around the top end of the treatment screen through bearings, a mounting circular sleeve is installed at the upper end of the rotating rod, a plurality of pushing inclined blocks are equidistantly installed around the outside of the mounting circular sleeve, the inclined surface of the pushing inclined block is in contact with the outside of the rotating circular block, and the pressure touch switch is electrically connected with the control panel.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1、When the soil is detected, the impurities in the sample soil and the viscosity and strength of the soil are detected by a physical method, and the soil sample is dispersed during the detection process, so that the detection liquid and the sample soil inside are more fully contacted, the reaction efficiency between the detection liquid and the sample soil is increased by stirring, and the detection sample device does not need to be opened during detection, and can be directly observed and judged outside, so that the sample soil cannot be treated during the detection process, if the viscosity inside the soil is too large and the hardness of the soil is large, the detection liquid cannot be fully contacted with the soil sample in a short time, the reaction efficiency is reduced, the reaction is not sufficient, and errors occur in the final detection result;

[0016] 2、When the soil is detected, the soil sample is preliminarily treated before detection, and the impurities and large-size solid particles inside the soil are removed during the treatment, and the sample is also dispersed, so that the detection efficiency is increased after the dispersion, the sample is not accurately detected due to a large amount of impurities in the soil during the detection process, the sample is in a lump shape during the detection, and a whole solid is formed, the final detection reaction process is slow, the overall detection reaction efficiency is low, and the sampling speed and state are adjusted according to the specific condition of the sample after sampling during the pretreatment process, so that the stability and efficiency of the sample pretreatment are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The overall structure schematic diagram of the embodiment of the present application is provided;

[0018] Figure 2 The overall horizontal sectional view of the structure provided for the embodiment of the present application;

[0019] Figure 3 The sampling frame horizontal sectional view of the structure provided for the embodiment of the present application;

[0020] Figure 4 The structure enlarged at A in the embodiment of the present application; Figure 3 The structure enlarged at B in the embodiment of the present application;

[0021] Figure 5 The structure enlarged at C in the embodiment of the present application; Figure 3 The structure enlarged at B in the embodiment of the present application;

[0022] Figure 6 The structure enlarged at C in the embodiment of the present application; Figure 3 The structure enlarged at B in the embodiment of the present application;

[0023] Figure 7 The structure of the fixed ring sleeve provided for the embodiment of the present application;

[0024] Figure 8 The structure of the installation circle sleeve and the pushing inclined block provided for the embodiment of the present application.

[0025] In the figure: 1, working frame; 2, sampling mechanism; 201, sampling frame; 202, movable opening; 203, sampling screw; 204, detection notch; 205, rotating rod; 206, single-phase motor; 207, electric push rod; 208, observation plate; 209, moving pulley; 3, scattering detection mechanism; 301, moving wheel; 302, friction ring strip; 303, rotating rod; 304, arc-shaped scraping strip; 305, mounting shaft sleeve; 306, fixed frame rod; 307, processing frame rod; 308, fixed ring sleeve; 309, fixed rod; 310, rubber ring; 311, pressure control switch; 312, moving arc groove; 313, extrusion spring; 314, guide coil; 315, moving arc block; 316, on-off guide block; 4, droplet mechanism; 401, movable pressing plate; 402, extrusion air bag; 403, movable mounting pipe; 404, fixed plate; 405, connecting air pipe; 406, storage frame; 407, conveying electromagnetic valve; 408, conveying pipe; 409, working electromagnetic valve; 410, spray head; 5, pretreatment mechanism; 501, umbrella-shaped ring plate; 502, processing screen; 503, rotating circular block; 504, pushing inclined block; 505, mounting circular sleeve; 506, mounting sliding groove; 507, mounting sliding block; 508, fixed spring; 509, pressure touch switch; 6, limiting adjustment mechanism; 601, fixed notch; 602, fixed electromagnetic block; 603, movable mounting plate; 604, mounting spring; 605, movable circular block; 606, limiting recess; 607, limiting protrusion; 608, connecting magnetic plate; 7, glass plate; 8, operating rod; 9, discharge plug plate; 10, fixed bearing. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-8 The present application provides a technical solution: a soil sampling and detection device for detecting soil acidity and alkalinity, comprising a working frame 1, and glass plates 7 are mounted on both sides of the working frame 1.

[0028] A sampling mechanism 2 is arranged, which comprises a sampling frame 201, a movable opening 202, and a sampling screw 203. The sampling frame 201 is arranged in the middle of the inner cavity of the working frame 1, the movable opening 202 is arranged in the middle of the bottom end of the sampling frame 201, and the sampling screw 203 is movably arranged in the inner cavity of the movable opening 202.

[0029] The dispersing detection mechanism 3 comprises the moving wheels 301 and the friction ring strips 302. The moving wheels 301 are arranged at the upper middle part of the four sides of the inner cavity of the sampling frame 201. The friction ring strips 302 are arranged at the upper middle part of the four sides of the inner cavity of the sampling frame 201.

[0030] The sampling mechanism 2 further comprises the detection notches 204, the rotating rods 205, the single-phase motors 206, the electric push rods 207, the observation plates 208 and the moving pulleys 209. The rotating rods 205 are arranged at the top of the sampling screw rods 203. The single-phase motors 206 are arranged at the top of the sampling frame 201 through the mounting seats. The rotating rods 205 are connected with the output shafts at the bottom of the single-phase motors 206 through the top of the sampling frame 201. The electric push rods 207 are arranged at the top of the inner cavity of the working frame 1. The electric push rods 207 are connected with the top of the single-phase motors 206. The control panel is arranged at the front side of the working frame 1. The single-phase motors 206 and the electric push rods 207 are electrically connected with the control panel. The observation plates 208 are arranged at the two sides of the sampling frame 201. The detection notches 204 are arranged at the bottom of the four sides of the inner cavity of the sampling frame 201. The detection notches 204 are circular in plan view. The bottom of the inner cavity of the detection notches 204 is circularly arc-shaped. The timing control switch is arranged in the control panel.

[0031] The specific implementation is that: when sampling, the single-phase motors 206 are started to drive the rotating rods 205 to rotate. The rotating rods 205 drive the sampling screw rods 203 to rotate in the movable openings 202. The electric push rods 207 are started to drive the sampling frame 201 to move downwards and drive the sampling screw rods 203 to move downwards. The bottom of the sampling screw rods 203 is inserted into the sampled soil. The soil is lifted up. The movable openings 202 form the upward conveying channels. The soil is conveyed upwards into the sampling frame 201. When the lifted soil falls, the soil falls into the detection notches 204. After sampling, the soil is detected.

[0032] The discharge openings are arranged at the bottom of the inner cavity of the detection notches 204. The discharge plugs 9 are arranged in the inner cavity of the discharge openings. The moving pulleys 209 are arranged at the upper end of the four sides of the sampling frame 201. The installation grooves are arranged at the two sides of the sampling frame 201 and the working frame 1. The rotating holes are arranged at the opposite positions of the rotating rods 205 at the top of the sampling frame 201. The bottom of the sampling frame 201 is funnel-shaped. The operating rods 8 are arranged at the top of the working frame 1.

[0033] The specific implementation is that: the observation plates 208 can be directly observed through the glass plates 7. The detection conditions in the sampling frame 201 can be directly observed through the observation plates 208. When the sampling frame 201 moves downwards, the moving pulleys 209 rotate. The stability and flexibility of the sampling frame 201 are improved.

[0034] The device further comprises a limiting adjustment mechanism 6, which comprises a fixed notch 601, a fixed electromagnetic block 602, a movable mounting plate 603, a mounting spring 604, a movable round block 605, a limiting notched 606, a limiting protrusion 607 and a connecting magnetic plate 608. The bottom end of the rotating rod 205 is provided with a fixed bearing 10. The bottom end of the fixed bearing 10 is provided with connecting rods around. The bottom end of the connecting rods is connected with the top end of the sampling screw rod 203. The top end of the sampling screw rod 203 is provided with a fixed notch 601. The inner cavity of the fixed notch 601 is provided with a fixed electromagnetic block 602 at the bottom end. The inner cavity of the fixed notch 601 is provided with a movable mounting plate 603 at the upper end. The movable mounting plate 603 is provided with mounting springs 604 around the top end. The top end of the mounting springs 604 is connected with the top end of the inner cavity of the fixed notch 601. The top end of the movable mounting plate 603 is provided with a movable round block 605 in the middle. The top end of the movable round block 605 is provided with a plurality of limiting protrusions 607 at equal intervals around. The bottom end of the rotating rod 205 is provided with limiting notches 606 at the opposite positions of the limiting protrusions 607. The top end of the limiting protrusions 607 is provided with a ball. The bottom end of the movable mounting plate 603 is provided with a connecting magnetic plate 608. The fixed electromagnetic block 602 is electrically connected with the control panel. The fixed notch 601 and the movable mounting plate 603 are both in rectangular structure in plan view.

[0035] The dispersing detection mechanism 3 further comprises a rotating rod 303, an arc-shaped scraping strip 304, a mounting shaft sleeve 305, a fixed frame rod 306, a processing frame rod 307, a fixed ring sleeve 308, a fixed rod 309, a rubber ring 310, a pressure control switch 311, a moving arc groove 312, an extrusion spring 313, a guide coil 314, a moving arc block 315 and a connected guide block 316. The middle and upper end of the rotating rod 205 is provided with a fixed frame rod 306. The outer part of the moving wheel 301 is provided with a mounting shaft sleeve 305 through a bearing. The mounting shaft sleeve 305 is in U-shaped structure. The end of the fixed frame rod 306 away from the rotating rod 205 is connected with one side of the mounting shaft sleeve 305. The outer part of the moving wheel 301 is provided with a rubber ring 310 around. The inner side of the friction ring strip 302 is provided with annular blocking strips at the top end and the bottom end. The annular blocking strips are provided with a plurality of balls on the side close to the moving wheel 301. The bottom end of the mounting shaft sleeve 305 is provided with a plurality of fixed rods 309 on the side away from the fixed frame rod 306. The inner cavity of the detection notch 204 is provided with a plurality of arc-shaped scraping strips 304 around the bottom end. The bottom end of the fixed rod 309 is connected with one side of the top end of the arc-shaped scraping strip 304. The bottom end of the moving wheel 301 is provided with a rotating rod 303 in the middle. The rotating rod 303 is provided with a plurality of fixed ring sleeves 308 through the mounting shaft sleeve 305 at the bottom end. The fixed ring sleeves 308 are provided with processing frame rods 307 on both sides. The pressure control switch 311 is electrically connected with the control panel.

[0036] The moving arc grooves 312 are provided on both sides of the fixed ring sleeve 308, the guide coils 314 are installed on one side of the inner cavities of the moving arc grooves 312, the moving arc blocks 315 are slidingly installed on one side of the inner cavities of the moving arc grooves 312, the on-off guide blocks 316 are installed on one side of the moving arc blocks 315 close to the guide coils 314, one side of the on-off guide blocks 316 is in contact with the outer part of the guide coils 314, the on-off guide blocks 316 and the guide coils 314 are electrically connected with the control panel, the extrusion springs 313 are installed on one side of the moving arc blocks 315, the pressure control switches 311 are installed on one side of the inner cavities of the moving arc grooves 312 close to the extrusion springs 313, the sealing sleeves are installed on one end of the processing frame rods 307 close to the moving arc grooves 312, one side of the sealing sleeves away from the processing frame rods 307 is connected with the outer part of the fixed ring sleeve 308, and the arc-shaped scraping strips 304 are made of rubber material;

[0037] The specific implementation is that when the rotating rod 205 rotates, the fixed frame rod 306 is driven to rotate, the installation shaft sleeve 305 and the moving wheel 301 are driven to rotate through the fixed frame rod 306, when the rubber ring 310 outside the moving wheel 301 rubs against the friction ring strip 302, the moving wheel 301 rotates and drives the rotating rod 303 to rotate, the fixed ring sleeve 308 and the processing frame rod 307 are driven to rotate through the rotating rod 303, so that the soil sample in the detection slot 204 is scattered, and the contact between the detection liquid and the soil sample is more sufficient, and the sufficiency of the contact between the detection liquid and the soil sample during detection is increased, when the rotating rod 303 rotates, the arc-shaped scraping strip 304 rotates at the bottom end of the inner cavity of the detection slot 204 through the fixed rod 309, the inner cavity of the detection slot 204 is treated through the rotation of the arc-shaped scraping strip 304, and impurities are avoided from adhering to the inner cavity of the detection slot 204 during later use, when the soil sample after sampling is self-adhesive or the material of the soil sample is relatively hard, the resistance received by the processing frame rod 307 will be greater, the moving arc block 315 slides in the moving arc groove 312, the displacement position of the processing frame rod 307 changes obviously, the extrusion spring 313 is extruded, the on-off guide block 316 slides outside the guide coil 314, the resistance of the single-phase motor 206 is reduced, the power of the single-phase motor 206 during use is increased, the moving arc block 315 is in contact with the pressure control switch 311, and the pressure value fed back by the pressure control switch 311 allows the worker to judge the state of the soil sample.

[0038] The device further comprises a droplet mechanism 4, which comprises a movable pressing plate 401, a squeezing air bag 402, a movable mounting pipe 403, a fixed plate 404, a connecting air pipe 405, a storage frame 406, a conveying electromagnetic valve 407, a conveying pipe 408, a working electromagnetic valve 409 and a spray head 410, the fixed plate 404 is installed at the upper middle end of the right side of the inner cavity of the working frame 1, the squeezing air bag 402 is installed at the top end of the fixed plate 404, the storage frame 406 is installed at the top end of the left side of the sampling frame 201, the detection liquid is added in the storage frame 406, the movable pressing plate 401 is installed at the top end of the squeezing air bag 402, the movable mounting pipe 403 is installed at the bottom end of one side of the movable pressing plate 401, the movable mounting pipe 403 is connected with the top end of one side of the sampling frame 201 at the bottom end, the electromagnetic one-way valve is installed at the bottom end of the left side of the movable mounting pipe 403, the connecting air pipe 405 is installed at the left end of the electromagnetic one-way valve, the connecting air pipe 405 is connected with the right upper end of the storage frame 406, the liquid level sensor is installed at one side of the inner cavity of the storage frame 406, the air holes are arranged in the inner cavity of the movable pressing plate 401 and the bottom end of the left side of the movable mounting pipe 403, the air inlet one-way valve is installed at the bottom end of the fixed plate 404, the round holes are arranged in the bottom end of the squeezing air bag 402 and the middle part of the fixed plate 404, the conveying pipe 408 is installed at the top end of the inner cavity of the sampling frame 201, the spray heads 410 are installed at the bottom end of the conveying pipe 408, the conveying electromagnetic valve 407 is installed at the top end of the left side of the inner cavity of the sampling frame 201, the conveying electromagnetic valve 407 is connected with the top end of the conveying pipe 408, the working electromagnetic valve 409 is installed at the right side of the top end of the conveying pipe 408, the working electromagnetic valve 409 is connected with the top end of the inner cavity of the sampling frame 201, the conveying electromagnetic valve 407, the working electromagnetic valve 409, the liquid level sensor and the electromagnetic one-way valve are electrically connected with the control panel, the round holes are arranged at the top end of the conveying pipe 408, the bottom end of the inner cavity of the movable mounting pipe 403 is in a hollow structure, the conveying holes are arranged at the top end of the sampling frame 201, and the round holes are arranged at the bottom end of the storage frame 406.

[0039] The specific embodiment is: when the sampling frame 201 moves downward, the movable mounting pipe 403 is driven to move downward, and the movable pressing plate 401 is driven to move downward, the movable pressing plate 401 is used for extruding the extrusion air bag 402, so that the extrusion air bag 402 is expanded, when detection, through the timing switch inside the control panel, first start the electromagnetic one-way valve to transport the air pressure inside the extrusion air bag 402 to the inside of the storage frame 406, increase the air pressure inside the storage frame 406, then start the delivery electromagnetic valve 407 to transport the detection liquid inside the storage frame 406 to the inside of the delivery pipe 408, then the detection liquid is discharged to the upper end of the soil sample in the detection slot 204 through the spray head 410 to carry out detection, when reaching the time set by the timing switch, the delivery electromagnetic valve 407 is closed to stop discharging, when the detection is completed, the delivery electromagnetic valve 407 is closed and the working electromagnetic valve 409 is started, the air inside the extrusion air bag 402 is transported to the inside of the delivery pipe 408, and is sprayed out through the spray head 410, so that the sprayed air pressure contacts the inner cavity of the detection slot 204, which can not only increase the efficiency of discharging, but also clean the inner cavity of the detection slot 204.

[0040] The device further comprises a pretreatment mechanism 5, the pretreatment mechanism 5 comprises an umbrella-shaped ring plate 501, a treatment sieve 502, a rotating circular block 503, a pushing inclined block 504, a mounting circular sleeve 505, a mounting sliding groove 506, a mounting sliding block 507, a fixed spring 508 and a pressure touch switch 509, the treatment sieve 502 is installed around the middle part of the inner cavity of the sampling frame 201, the inner cavity bottom end of the treatment sieve 502 is in an arc structure, the mounting sliding grooves 506 are arranged on both sides of the middle part of the inner cavity of the sampling frame 201, the mounting sliding blocks 507 are slidingly installed at the top end of the inner cavities of the mounting sliding grooves 506, one end of the mounting sliding block 507 away from the mounting sliding groove 506 is connected with one side of the treatment sieve 502, the fixed spring 508 is installed at the bottom end of the inner cavity of the mounting sliding block 507, the bottom end of the fixed spring 508 is connected with the bottom end of the inner cavity of the mounting sliding groove 506, the pressure touch switch 509 is installed at the bottom end of the inner cavity of the left mounting sliding groove 506, a plurality of rotating circular blocks 503 are equidistantly installed around the top end of the treatment sieve 502 through bearings, the mounting circular sleeve 505 is installed at the middle upper end of the rotating rod 303, a plurality of pushing inclined blocks 504 are equidistantly installed around the outside of the mounting circular sleeve 505, the inclined surface of the pushing inclined block 504 is in contact with the outside of the rotating circular block 503, the pressure touch switch 509 is electrically connected with the control panel, and the treatment sieve 502 is made of metal material, and the rotating circular block 503 is in a cylindrical structure.

[0041] The specific embodiment is: when the rotating rod 303 rotates, the four surrounding push inclined blocks 504 are driven to rotate by the installation sleeve 505, the inclined surface of the push inclined block 504 is in contact with the rotating circular block 503, and the rotating circular block 503 is pushed to move away from the rotating rod 303, so that the upper end of the processing screen 502 is deformed, when the push inclined block 504 is separated from the rotating circular block 503, the deformed part restores, because the speed of the deformation is relatively fast, the processing screen 502 can vibrate, when the soil is lifted during the sampling operation, the soil falls into the inside of the processing screen 502, when the processing screen 502 vibrates, the soil after sampling can be separated and treated, and the large-particle impurities in the soil are removed, if the viscosity of the soil is relatively large, the soil cannot be separated and treated in a short time, the weight of the processing screen 502 moves downward, the installation sliding block 507 moves to the bottom end of the installation sliding groove 506, the fixed spring 508 is extruded, when the weight of the processing screen 502 gradually increases, the bottom end of the installation sliding block 507 is in contact with the top end of the pressure touch switch 509, the control panel is triggered by the pressure touch switch 509, the fixed electromagnetic block 602 is started to generate magnetism, the connecting magnetic plate 608 is magnetized, the movable installation plate 603 moves downward, the movable circular block 605 and the limiting protrusion 607 move downward, the limiting protrusion 607 is separated from the limiting recess 606, the sampling screw rod 203 loses the constraint force, the sampling screw rod 203 does not continue to rotate, and the sampling is stopped, when the soil sample on the upper end of the processing screen 502 decreases, the weight of the processing screen 502 decreases, the installation sliding block 507 moves upward through the compressed fixed spring 508, the processing screen 502 moves upward, the soil after sampling is continuously treated, the circuit of the fixed electromagnetic block 602 is disconnected, the fixed electromagnetic block 602 loses magnetism, the connecting magnetic plate 608 and the movable installation plate 603 lose the constraint force, the movable installation plate 603 moves upward through the stretched installation spring 604, the movable circular block 605 and the limiting protrusion 607 move upward, the limiting protrusion 607 is embedded and connected with the limiting recess 606, when the rotating rod 205 rotates, the limiting protrusion 607 rotates, the sampling screw rod 203 rotates to continue sampling through the movable circular block 605 and the movable installation plate 603.

[0042] Working principle: the single-phase motor 206 is started to drive the rotating rod 205 to rotate, the sampling screw rod 203 is driven to rotate in the movable opening 202, the electric push rod 207 is started to drive the sampling frame 201 to move downwards and drive the sampling screw rod 203 to move downwards, the bottom end of the sampling screw rod 203 is inserted into the sampled soil, the soil is lifted, the movable opening 202 forms an upward conveying channel, the soil is conveyed upwards into the sampling frame 201, when the lifted soil falls, it falls into the detection slot 204, and the soil is detected after sampling;

[0043] When the rotating rod 205 rotates, the fixed frame rod 306 is driven to rotate, the mounting shaft sleeve 305 and the moving wheel 301 are driven to rotate through the fixed frame rod 306, when the rubber ring 310 outside the moving wheel 301 is rubbed outside the friction ring strip 302, the moving wheel 301 is self-rotated and drives the rotating rod 303 to rotate, the fixed ring sleeve 308 and the processing frame rod 307 are driven to rotate through the rotating rod 303, the soil sample in the detection slot 204 is scattered, and the contact between the detection liquid and the soil sample is more sufficient, the sufficiency of the soil contact during detection is increased, when the rotating rod 303 rotates, the arc-shaped scraping strip 304 is driven to rotate at the bottom end of the detection slot 204 through the fixed rod 309, the detection slot 204 is processed through the rotation of the arc-shaped scraping strip 304, and impurities are avoided to be attached in the detection slot 204 during later use, when the soil sample after sampling is self-adhesive, or the material of the soil sample is hard, the resistance of the processing frame rod 307 will be greater, the moving arc block 315 is slid in the moving arc groove 312, the compression spring 313 is extruded, the connecting guide block 316 is driven to slide outside the wire coil 314, the resistance of the single-phase motor 206 is reduced, the rotating power of the single-phase motor 206 is increased, the efficiency of the sampling screw rod 203 during sampling is improved, the moving arc block 315 is in contact with the pressure control switch 311, the pressure value fed back by the pressure control switch 311 is used to judge the state of the soil sample;

[0044] When the rotating rod 303 rotates, the four surrounding push inclined blocks 504 are driven to rotate by the installation sleeve 505, the inclined surface of the push inclined block 504 is in contact with the rotating circular block 503, and the rotating circular block 503 is pushed to move away from the rotating rod 303, so that the upper end of the processing screen 502 is deformed, and after the push inclined block 504 is separated from the rotating circular block 503, the deformed part restores, because the deformation speed is relatively fast, the processing screen 502 can vibrate, when the soil is lifted during sampling, the soil falls into the processing screen 502, when the processing screen 502 vibrates, the soil after sampling can be separated and treated, and the large-particle impurities in the soil are removed, if the viscosity of the soil is relatively large, the soil cannot be separated and treated in a short time, the weight of the processing screen 502 moves downward, the installation sliding block 507 moves to the bottom end of the installation sliding groove 506, the fixed spring 508 is extruded, and after the weight of the processing screen 502 decreases, the fixed spring 508 after extrusion drives the processing screen 502 to move upward and reset, when the weight of the processing screen 502 gradually increases, the bottom end of the installation sliding block 507 is in contact with the top end of the pressure touch switch 509, the pressure touch switch 509 triggers the control panel, the fixed electromagnetic block 602 is started to generate magnetism, the connecting magnetic plate 608 is magnetized, the movable installation plate 603 moves downward, the movable circular block 605 and the limiting protrusion 607 move downward, the limiting protrusion 607 is separated from the limiting recess 606, the sampling screw rod 203 loses the constraint force, and the sampling screw rod 203 does not continue to rotate and stops sampling, when the soil sample on the upper end of the processing screen 502 decreases, the weight of the processing screen 502 decreases, the installation sliding block 507 moves upward through the compressed fixed spring 508, the processing screen 502 moves upward, the soil after sampling is continuously treated, the circuit of the fixed electromagnetic block 602 is disconnected, the fixed electromagnetic block 602 loses magnetism, the connecting magnetic plate 608 and the movable installation plate 603 lose the constraint force, the movable installation plate 603 moves upward through the stretched installation spring 604, the movable circular block 605 and the limiting protrusion 607 move upward, the limiting protrusion 607 is embedded in the limiting recess 606, when the rotating rod 205 rotates, the limiting protrusion 607 rotates, the sampling screw rod 203 rotates through the movable circular block 605 and the movable installation plate 603 to continue sampling.

[0045] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0046] While the embodiments of the application have been shown and described herein, it is to be understood that the scope of the application, jointly pointed out in the appended claims, is not limited to the details of the embodiments shown, and that various changes can be made and equivalents employed without departing from the intended spirit and scope of the application.

Claims

1. A soil sampling detection device for detecting soil acidity and alkalinity, comprising a working frame (1), both sides of the working frame (1) are provided with glass plates (7), characterized in that: a sampling mechanism (2) is arranged in the working frame (1), the sampling mechanism (2) comprises a sampling frame (201), a movable opening (202) and a sampling screw rod (203), the sampling frame (201) is arranged in the middle of the inner cavity of the working frame (1), the movable opening (202) is arranged in the bottom end of the sampling frame (201), and the sampling screw rod (203) is movably arranged in the inner cavity of the movable opening (202); the sampling mechanism (2) further comprises a detection notch (204), a rotating rod (205), a single-phase motor (206), an electric push rod (207), an observation plate (208) and a moving pulley (209), the rotating rod (205) is arranged at the top end of the sampling screw rod (203), the single-phase motor (206) is arranged at the top end of the sampling frame (201) through a mounting seat, the rotating rod (205) penetrates through the top end of the sampling frame (201) and is connected with the output shaft at the bottom end of the single-phase motor (206), the electric push rod (207) is arranged at the top end of the inner cavity of the working frame (1), the bottom end of the electric push rod (207) is connected with the top end of the single-phase motor (206), a control panel is arranged on the front side of the working frame (1), the single-phase motor (206) and the electric push rod (207) are electrically connected with the control panel, the observation plate (208) is arranged on both sides of the sampling frame (201), the detection notches (204) are arranged at the bottom end of the inner cavity of the sampling frame (201), the detection notches (204) are circular in plan view, and the bottom end of the inner cavity of the detection notches (204) is in a circular arc structure; a scattering detection mechanism (3) is arranged in the sampling frame (201), the scattering detection mechanism (3) comprises moving wheels (301) and friction ring strips (302), and the moving wheels (301) are arranged at the middle upper end of the inner cavity of the sampling frame (201). The scattering detection mechanism (3) further includes a rotating rod (303), an arc-shaped scraping strip (304), a mounting shaft sleeve (305), a fixed frame rod (306), a processing frame rod (307), a fixed ring sleeve (308), a fixed rod (309), a rubber ring (310), a pressure control switch (311), a moving arc groove (312), a pressing spring (313), a guide coil (314), a moving arc block (315), and an on-off guide block (316). The upper end of the rotating rod (205) is provided with the fixed frame rod (306). The outer part of the moving wheel (301) is provided with the mounting shaft sleeve (305) through a bearing. The mounting shaft sleeve (305) is in a U-shaped structure. The end, away from the rotating rod (205), of the fixed frame rod (306) is connected with one side of the mounting shaft sleeve (305). The outer part of the moving wheel (301) is provided with the rubber ring (310) around. The inner top and bottom of the friction ring strip (302) are provided with annular blocking strips. The annular blocking strips are provided with a plurality of balls on the side close to the moving wheel (301). The bottom end, away from the fixed frame rod (306), of the mounting shaft sleeve (305) is provided with a plurality of fixed rods (309). The inner cavity bottom of the detection slot (204) is provided with a plurality of arc-shaped scraping strips (304) around. The bottom end of the fixed rod (309) is connected with one side of the top end of the arc-shaped scraping strip (304). The bottom middle part of the moving wheel (301) is provided with the rotating rod (303). The bottom end of the rotating rod (303) penetrates through the mounting shaft sleeve (305) and is provided with a plurality of fixed ring sleeves (308). The two sides of the fixed ring sleeve (308) are provided with the processing frame rod (307). The pressure control switch (311) is electrically connected with the control panel. The two sides of the fixed ring sleeve (308) are provided with the moving arc groove (312). The inner cavity side of the moving arc groove (312) is provided with the guide coil (314). The inner cavity side of the moving arc groove (312) is provided with the moving arc block (315) in a sliding mode. The side, close to the guide coil (314), of the moving arc block (315) is provided with the on-off guide block (316). One side of the on-off guide block (316) is in contact with the outer part of the guide coil (314). The on-off guide block (316) and the guide coil (314) are electrically connected with the control panel. One side of the moving arc block (315) is provided with the pressing spring (313). The inner cavity side, close to the pressing spring (313), of the moving arc groove (312) is provided with the pressure control switch (311). The end, close to the moving arc groove (312), of the processing frame rod (307) is provided with a sealing sleeve. One side of the sealing sleeve, away from the processing frame rod (307), is connected with the outer part of the fixed ring sleeve (308). The arc-shaped scraping strip (304) is made of rubber. The device also includes a droplet mechanism (4), the droplet mechanism (4) includes movable pressing plate (401), extrusion air bag (402), movable mounting pipe (403), fixed plate (404), connecting air pipe (405), storage frame (406), conveying electromagnetic valve (407), conveying pipe (408), working electromagnetic valve (409) and spray head (410), the fixed plate (404) is installed in the right side of the inner chamber of the working frame (1) upper end, the extrusion air bag (402) is installed at the top of the fixed plate (404), the storage frame (406) is installed at the top of the sampling frame (201) left side, the detection liquid is added in the storage frame (406), the movable pressing plate (401) is installed at the top of the extrusion air bag (402), the movable mounting pipe (403) is installed at the bottom of the movable pressing plate (401) one side, the movable mounting pipe (403) is connected with the top of the sampling frame (201) one side, the electromagnetic check valve is installed at the bottom of the movable mounting pipe (403) left side, and the connecting air pipe (405) is installed at the left side of the electromagnetic check valve, the connecting air pipe (405) is connected with the right side of the storage frame (406) upper end, the liquid level sensor is installed in the inner chamber of the storage frame (406) one side, the air hole is arranged in the inner chamber of the movable pressing plate (401) left side and the bottom of the movable mounting pipe (403) left side, the air inlet check valve is installed at the bottom of the fixed plate (404), the round hole is arranged in the bottom of the extrusion air bag (402) and the middle of the fixed plate (404), the conveying pipe (408) is installed at the top of the inner chamber of the sampling frame (201), the spray head (410) is installed at the bottom of the conveying pipe (408) both sides, the conveying electromagnetic valve (407) is installed at the top of the inner chamber of the sampling frame (201) left side, the conveying electromagnetic valve (407) is connected with the top of the conveying pipe (408), the working electromagnetic valve (409) is installed at the top of the conveying pipe (408) right side, the working electromagnetic valve (409) is connected with the top of the inner chamber of the sampling frame (201), the conveying electromagnetic valve (407), the working electromagnetic valve (409), the liquid level sensor and the electromagnetic check valve are electrically connected with the control panel, the round hole is arranged in the top of the conveying pipe (408) both sides, the bottom of the inner chamber of the movable mounting pipe (403) is hollow structure, the conveying holes are arranged in the top of the sampling frame (201) both sides, the round hole is arranged in the bottom of the storage frame (406); The detection liquid in the storage frame (406) is transported to the inside of the delivery pipe (408) by starting the delivery electromagnetic valve (407), and then the detection liquid is discharged to the upper end of the soil sample in the detection slot (204) through the nozzle (410) for detection. When the time set by the timing switch is reached, the delivery electromagnetic valve (407) is closed to stop discharging. When the discharging is completed, the delivery electromagnetic valve (407) is closed and the working electromagnetic valve (409) is started to transport the air in the squeezed air bag (402) to the inside of the delivery pipe (408) and then sprayed through the nozzle (410), so that the sprayed air pressure contacts the inner cavity of the detection slot (204), which can increase the efficiency of discharging and clean the inner cavity of the detection slot (204).

2. The soil sampling and testing device for detecting the acidity or alkalinity of soil according to claim 1, characterized in that: The bottom end of the inner cavity of the detection slot (204) is provided with a discharge port, and the discharge port is provided with a discharge blocking plate (9). The upper end of the sampling frame (201) is provided with a plurality of movable pulleys (209). The sampling frame (201) and the working frame (1) are provided with installation grooves on both sides. The top end of the sampling frame (201) is provided with a rotating hole at a position opposite to the rotating rod (205). The bottom end of the sampling frame (201) is in a funnel shape. The top end of the working frame (1) is provided with an operating rod (8).

3. The soil sampling and testing device for detecting the acidity or alkalinity of soil according to claim 2, characterized in that: The device further comprises a limiting adjustment mechanism (6), which comprises a fixed slot (601), a fixed electromagnetic block (602), a movable mounting plate (603), an installation spring (604), a movable round block (605), a limiting notch (606), a limiting convex block (607) and a connecting magnetic plate (608). The bottom end of the rotating rod (205) is provided with a fixed bearing (10). The bottom end of the fixed bearing (10) is provided with a connecting rod, and the bottom end of the connecting rod is connected with the top end of the sampling screw rod (203). The top end of the sampling screw rod (203) is provided with a fixed slot (601). The bottom end of the inner cavity of the fixed slot (601) is provided with a fixed electromagnetic block (602). The inner cavity of the fixed slot (601) is provided with a movable mounting plate (603) at the upper end. The top end of the movable mounting plate (603) is provided with an installation spring (604). The top end of the installation spring (604) is connected with the top end of the inner cavity of the fixed slot (601). The top end of the movable mounting plate (603) is provided with a movable round block (605) in the middle. The top end of the movable round block (605) is provided with a plurality of limiting convex blocks (607) at equal intervals. The bottom end of the rotating rod (205) is provided with a limiting notch (606) at a position opposite to the limiting convex block (607). The top end of the limiting convex block (607) is provided with a ball. The bottom end of the movable mounting plate (603) is provided with a connecting magnetic plate (608). The fixed electromagnetic block (602) is electrically connected with the control panel.

4. The soil sampling and testing device for detecting the acidity or alkalinity of soil according to claim 3, characterized in that: The device further includes a pretreatment mechanism (5), the pretreatment mechanism (5) includes umbrella ring plate (501), processing screen (502), rotating circular block (503), push inclined block (504), installation round sleeve (505), installation sliding groove (506), installation sliding block (507), fixed spring (508) and pressure touch switch (509), the processing screen (502) is installed around the middle part in the cavity of the sampling frame (201), the bottom end of the processing screen (502) is in arc structure, the installation sliding groove (506) is formed in the middle part of the cavity of the sampling frame (201) on both sides, the installation sliding block (507) is slidably installed in the top end of the installation sliding groove (506), the end of the installation sliding block (507) away from the installation sliding groove (506) is connected with one side of the processing screen (502), the fixed spring (508) is installed in the bottom end of the installation sliding block (507), the bottom end of the fixed spring (508) is connected with the bottom end in the cavity of the installation sliding groove (506), the pressure touch switch (509) is installed in the bottom end in the cavity of the installation sliding groove (506) on the left side, a plurality of rotating circular blocks (503) are equidistantly installed around the top end of the processing screen (502) through bearings, the installation round sleeve (505) is installed on the middle and upper end of the rotating rod (303), a plurality of push inclined blocks (504) are equidistantly installed around the outside of the installation round sleeve (505), the inclined surface of the push inclined block (504) is in contact with the outside of the rotating circular block (503), and the pressure touch switch (509) is electrically connected with the control panel.

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