CN111024435A - Soil pesticide residue determination sampler - Google Patents
Soil pesticide residue determination sampler Download PDFInfo
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- CN111024435A CN111024435A CN201911170779.0A CN201911170779A CN111024435A CN 111024435 A CN111024435 A CN 111024435A CN 201911170779 A CN201911170779 A CN 201911170779A CN 111024435 A CN111024435 A CN 111024435A
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- Prior art keywords
- rod
- movable rod
- vertical rod
- soil
- vertical
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- 239000002689 soil Substances 0.000 title claims abstract description 60
- 239000000447 pesticide residue Substances 0.000 title claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 44
- 238000009333 weeding Methods 0.000 claims abstract description 30
- 238000005520 cutting process Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/12—Mowers combined with apparatus performing additional operations while mowing with soil-working implements, e.g. ploughs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a soil pesticide residue determination sampler, and belongs to the technical field of soil detection. The technical scheme is as follows: the bracing piece includes the cross arm and with the perpendicular montant that sets up of cross arm, set up spacing hole on the cross arm, spacing hole corresponds with the pipeline of montant each other, set up the movable rod in the bracing piece, the lower extreme of movable rod wears to establish in the montant through spacing hole, and extend to the montant bottom, the extension sets up weeding mechanism, the upper end of movable rod sets up actuating mechanism, actuating mechanism control movable rod is rotatory and then drive weeding mechanism rotatory, the montant inboard sets up the internal thread, the lower extreme setting of movable rod sets up the external screw thread that corresponds with the internal thread, set up sampling mechanism in the movable rod, the sampling mechanism outside sets up the scale mark, the sampling mechanism lower extreme runs through the movable rod and sets up the sample spoon, the movable rod lower extreme sets up and holds. The beneficial effects of the invention are as follows: be convenient for clear away weeds, be convenient for loosen the soil to stereoplasm soil, be convenient for take a sample to the soil of the different degree of depth.
Description
Technical Field
The invention relates to the technical field of soil detection, in particular to a soil pesticide residue determination sampler.
Background
Pesticide residue refers to the phenomenon that a part of pesticide directly or indirectly remains in soil after the pesticide is applied in agricultural production.
The traditional detection mode is that the detector carries a sampler to carry out sampling detection at random places, and the operation mode has the following disadvantages:
1. when a lot of weeds exist in a place needing sampling, the weeds are manually removed and cleaned, and then the sampling can be carried out;
2. when the local geology that needs the sample is more hard, need the testing personnel to exert oneself and press down the sampler just can insert the sampler in soil, this kind of mode of operation produces tired sense easily.
3. Traditional detection tool is usually through pushing down the detector, then detects soil, and this kind of operation mode relies on the experience of testing personnel completely to detect soil, inserts the degree of depth in the soil to the sampler and can not control, has even had the condition of taking a sample to the soil horizon of same degree of depth, has wasted a large amount of energy to it is inaccurate to detect the accuracy.
Disclosure of Invention
The invention aims to provide a soil pesticide residue determination sampler, which solves the technical problems that weeds on the ground need to be manually removed, fatigue is easy to generate and the depth of the sampler inserted into soil cannot be controlled in the traditional detection.
The invention is realized by the following measures:
the sampler for measuring the pesticide residue in soil comprises a supporting rod, wherein the supporting rod comprises a cross arm and a vertical rod which is perpendicular to the cross arm, the cross arm is provided with a limiting hole, the vertical rod is a hollow cylindrical pipe, the limiting hole corresponds to a pipeline of the vertical rod, a movable rod is arranged in the supporting rod and comprises an upper end and a lower end, the lower end of the movable rod is arranged in the vertical rod in a penetrating way through the limiting hole and extends towards the bottom of the vertical rod, the extending part is provided with a weeding mechanism, the upper end of the movable rod is provided with a driving mechanism, the driving mechanism controls the movable rod to rotate so as to drive the weeding mechanism to rotate, the inner side of the vertical rod is provided with an internal thread, the lower end of the movable rod is provided with an external thread which corresponds to the internal thread, a sampling mechanism is arranged in the movable rod, and the, the lower end of the sampling mechanism penetrates through the movable rod and is provided with a sampling spoon, the lower end of the movable rod is provided with an accommodating cavity, and the sampling spoon is arranged in the accommodating cavity.
Furthermore, the sampling spoon is a cavity, the upper end of the sampling spoon is in a cone frustum shape, and the lower end of the sampling spoon is in an inverted cone shape.
Furthermore, sampling mechanism includes the pull pole, pull pole one end is provided with the pressure head of being convenient for the application of force, and the other end is provided with the connecting plate, the connecting plate with the up end fixed connection of sample spoon, the pull pole outside is provided with the scale mark.
Furthermore, the movable rod includes the transverse bar and with transverse bar vertically vertical pole, be provided with on the transverse bar and be convenient for the through-hole that the pull pole passed, vertical pole is hollow cylinder pipe, just the pipeline of vertical pole with the through-hole is corresponding, the pull pole is worn to establish in the pipeline of vertical pole, and to vertical pole bottom extends, the department of extending is provided with the sample spoon, the pressure head sets up the transverse bar upper end.
Further, the transverse rod is arranged above the cross arm, the vertical rod penetrates through the pipeline of the vertical rod, an internal thread is arranged on the inner side of the vertical rod, an external thread corresponding to the internal thread is arranged on the outer side of the vertical rod, and the weeding mechanism is arranged on the external thread of the vertical rod.
Further, the weeding mechanism comprises a bottom plate, a cutting knife is arranged on the bottom plate, the cutting knife comprises a hollow cylindrical table, a blade is arranged on the outer side of the cylindrical table, a flange is arranged at the bottom end of the cylindrical table, a through hole is arranged on the bottom plate, a limiting groove is arranged around the through hole, the lower end of the flange is arranged in the limiting groove, the limiting groove is arranged at the upper end of the abutting plate, a limiting hook is arranged on the upper end face of the bottom plate, one end of the limiting hook is fixedly connected with the bottom plate, the other end of the limiting hook is clamped on the upper end face of the flange,
furthermore, the limiting hook comprises a vertical portion and a hook portion perpendicular to the vertical portion, the bottom end of the vertical portion is fixedly connected with the bottom plate, and the hook portion is connected with the upper end face of the flange.
Further, actuating mechanism includes driving gear, driven gear and motor, be provided with the fixed plate on the vertical pole, be provided with the dead eye on the fixed plate, the installation is provided with the bearing in the dead eye, the bearing sets up on the vertical pole, fixed plate one side is provided with the accepting portion, fixedly on the accepting portion being provided with the motor, be provided with on the output shaft of motor the driving gear, driven gear sets up on the vertical pole, and set up the top of fixed plate, the driving gear with driven gear intermeshing.
Furthermore, the tail end of the vertical rod is provided with a supporting plate which is in contact with soil.
Furthermore, the containing cavity is a round cavity, and the inner diameter of the containing cavity is larger than that of the movable rod pipeline.
The invention has the beneficial effects that:
1. the cross arm is convenient for the measurement personnel to hold, the effect of montant is the interlude movable rod, actuating mechanism drives the movable rod rotation, because movable rod bottom and montant bottom threaded connection, therefore, the weeding mechanism of movable rod bottom can rotate, thereby weed to the ground is clear away, again because movable rod bottom and montant bottom threaded connection, after the cross arm is held to the hand, it is rotatory to have restricted the montant through the cross arm, therefore, weeding mechanism clears away subaerial weeds clean back, weeding mechanism continues to extend to ground inside, loosen the soil, the sampling mechanism of being convenient for takes a sample to soil inside, the sampling mechanism outside wherein sets up the scale mark, can control the degree of depth that the sampling spoon gos deep into soil, when weeding to ground, the sampling spoon is placed and is holding the intracavity, in order to avoid producing the interference to weeding mechanism.
2. The upper end of the sampling spoon is a cylindrical table which is convenient to fix with the pull rod, the lower end of the sampling spoon is an inverted cone, and the spine part of the cone is convenient to penetrate into soil.
3. The pressure head is the point of application of force, and the effect of connecting plate is sample spoon and pull pole, sets up the scale mark on the pull pole, and power is used in to soil through the pressure head, observes the height of the scale mark of pressure head top for the transverse bar to read the degree of depth that the sample spoon inserted in soil.
4. The vertical rod is used for facilitating installation of the sampling mechanism and the weeding mechanism.
5. Set up the external screw thread on vertical rod, weeding mechanism installs on the external screw thread, and weeding mechanism rotates through vertical rod's rotation, and then clears away the weeds on ground just.
6. Set up the flange bottom at the spacing inslot, prevent that the cutting knife from removing in radial direction, set up spacing colluding on the bottom plate, prevent that the cutting knife from taking place the drunkenness in vertical pole axial direction.
7. The driving mechanism adopts a gear transmission mode, the gear transmission is stable, the transmission ratio is accurate, the work is reliable, the efficiency is high, and the service life is long.
8. The resisting plate is a stress point for applying force to the supporting rod.
9. The sampling spoon is placed in the accommodating cavity to avoid interference on the weeding mechanism.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a of fig. 1.
Fig. 3 is a partially enlarged view of fig. 1 at B.
Fig. 4 is a schematic structural diagram of the sampling mechanism.
Fig. 5 is a partially enlarged view of fig. 4 at C.
Fig. 6 is a schematic structural view of the base plate.
Fig. 7 is a schematic structural view of the cutting knife.
FIG. 8 is a cross-sectional view of the support pole
Wherein the reference numerals are: 1. a support bar; 11. a cross arm; 111. a limiting hole; 12. a vertical rod; 121. a resisting plate; 2. a movable rod; 21. an accommodating chamber; 22. a transverse bar; 23. a vertical rod; 3. a weeding mechanism; 31. a base plate; 32. a cutting knife; 33. a blade; 34. a limiting hook; 4. a drive mechanism; 41. a driving gear; 42. a driven gear; 43. a motor; 44. a fixing plate; 5. a sampling mechanism; 51. a sampling spoon; 52. a pull rod; 53. a pressure head; 54. a connecting plate.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
The invention mainly solves three technical problems: 1. the technical problem of how to weed the sampled site; 2. the problem that a sampling mechanism is convenient to insert when the soil geology is hard is solved; 3. how to control the depth of the sampling spoon penetrating into the soil.
Referring to fig. 1 to 8, the invention is a soil pesticide residue determination sampler, which comprises a support rod 1, wherein the support rod 1 comprises a cross arm 11 and a vertical rod 12 perpendicular to the cross arm 11, and a supporting plate 121 contacting with soil is arranged at the tail end of the vertical rod 12. The cross arm 11 is used as a force application point for an operator, and applies force on the resisting plate 121 through the transmission action of the vertical rod 12, and the resisting plate 121 is a force application point. The cross arm 11 is provided with a limiting hole 111, wherein the limiting hole 111 can be in a long-strip hole shape or a round hole shape, the vertical rod 12 is a hollow cylindrical tube, the limiting hole 111 corresponds to the pipeline of the vertical rod 12, the support rod 1 is internally provided with a movable rod 2, the movable rod 2 comprises a transverse rod 22 and a vertical rod 23 perpendicular to the transverse rod 22, the movable rod 2 comprises an upper end and a lower end, the lower end of the movable rod 2 is penetrated in the vertical rod 12 through the limiting hole 111 and extends towards the bottom of the vertical rod 12, the extending part is provided with a weeding mechanism 3, the transverse rod 22 is provided with a through hole for the pulling rod 52 to pass through, the vertical rod 23 is a hollow cylindrical tube, the pipeline of the vertical rod 23 corresponds to the through hole, the transverse rod 22 is arranged above the cross arm 11, the vertical rod 23 is penetrated in the pipeline of the vertical rod 12, the inner side of the vertical rod 12 is provided with an internal thread, the outer side, the weeding mechanism 3 is arranged on the external thread of the vertical rod 23.
Spacing collude 34 includes vertical portion and colludes the portion with vertical portion perpendicular setting, the bottom and the bottom plate 31 fixed connection of vertical portion, colludes the up end connection of portion and flange.
Internal thread in the 12 inboard of montant and the external screw thread interconnect outside of vertical pole 23, because apply force to the cross arm, can control the vertical pole through supporting the board and take place to rotate, therefore, can only be that the movable rod takes place to rotate, the cutting knife sets up on the external screw thread, therefore, cutting knife and vertical pole synchronous revolution, in order to prevent the cutting knife in the ascending position of vertical pole radial direction, consequently with the flange setting of cutting knife bottom at the spacing inslot, in order to prevent the cutting knife at the ascending drunkenness of vertical pole axial direction, consequently, set up spacing collude and carry out spacingly to the cutting knife. The movable rod rotates to drive the weeding mechanism to rotate, so that the purpose of clearing weeds on the soil ground is achieved.
The rotation of the vertical rod in the movable rod is driven by a driving mechanism, wherein the driving mechanism 4 comprises a driving gear 41, a driven gear 42 and a motor 43, a fixing plate 44 is arranged on the vertical rod 23, a bearing hole is formed in the fixing plate 44, a bearing is arranged in the bearing hole and arranged on the vertical rod 23, a bearing part is arranged on one side of the fixing plate 44, the motor 43 is fixedly arranged on the bearing part, the driving gear 41 is arranged on an output shaft of the motor 43, the driven gear 42 is arranged on the vertical rod 23 and arranged above the fixing plate 44, and the driving gear 41 is meshed with the driven gear 42.
The purpose of setting up the bearing is that the axis that prevents the fixed plate around vertical pole is rotatory, also is for fixed motor, and the output shaft of motor is rotatory, and it is rotatory to drive the driving gear, and the driving gear meshes with driven gear, drives driven gear rotatory, so drives vertical pole rotation.
After clearing away subaerial weeds totally, the motor continues to rotate, and vertical pole continues to remove to soil inside to soil to loosen the soil to the stereoplasm.
The drawing rod 52 is arranged in the pipeline of the vertical rod 23 in a penetrating way, and extends towards the bottom of the vertical rod 23, a sampling spoon 51 is arranged at the extending position, and the pressure head 53 is arranged at the upper end of the transverse rod 22.
The upper end of movable rod 2 is provided with actuating mechanism 4, actuating mechanism 4 control 2 rotations of movable rod and then drive weeding mechanism 3 rotatory, 12 inboards of montant are provided with the internal thread, 2's lower extreme of movable rod is provided with the external screw thread that corresponds with the internal thread, be provided with sampling mechanism 5 in the movable rod 2, the sampling mechanism outside is provided with the scale mark, sampling mechanism 5 lower extreme runs through movable rod 2 and is provided with sample spoon 51, 2 lower extremes of movable rod are provided with and hold chamber 21, sample spoon 51 sets up and is holding in the chamber 21.
The sampling spoon 51 is a cavity, the upper end is in a cone frustum shape, and the lower end is in an inverted cone shape.
The sampling mechanism 5 comprises a drawing rod 52, one end of the drawing rod 52 is provided with a pressure head 53 convenient for force application, the other end of the drawing rod is provided with a connecting plate 54, the connecting plate 54 is fixedly connected with the upper end face of the sampling spoon 51, and the outer side of the drawing rod 52 is provided with scale marks.
The holding cavity is a round cavity, and the inner diameter of the holding cavity is larger than that of the pipeline of the movable rod 2.
After weeding mechanism deepened inside soil loosening to soil of soil, press the pressure head, make the sample spoon stretch out in holding the intracavity, the cone portion of sample spoon pierces through soil, collects soil in the sample spoon. In order to observe the depth of the sampling spoon inserted into the soil, the soil at different depths can be conveniently sampled by observing the scale marks above the pressure head relative to the transverse rods.
The use method of the invention comprises the following steps:
1. an operator presses the cross arm with two hands to enable the bottom plate on the weeding mechanism to abut against the upper end face of the soil;
2. starting a motor, taking clockwise rotation of the motor and downward movement of the vertical rod as an example, starting the motor, ensuring that an output shaft of the motor rotates clockwise, driving a driving gear to rotate clockwise, driving a driven gear to rotate anticlockwise, driving the vertical rod to rotate anticlockwise, and allowing the vertical rod to move downward, driving a weeding mechanism to move downward, removing weeds on the ground by the weeding mechanism, and closing the motor after the weeding mechanism finishes removing;
3. the motor is started again, so that the output shaft of the motor still rotates clockwise, the vertical rod and the vertical rod are provided with mutually matched threads, and the supporting rod is fixed by an operator, so that the vertical rod continues to move linearly into the soil, and the cutting knife cuts the soil;
4. after the cutting knife cuts to a certain depth, the motor is closed; pressing a pressure head to enable soil to enter the sampling spoon, observing a scale mark above the pressure head relative to the transverse rod, and then lifting the pressure head to check the soil with the depth;
5. after the cutting knife cuts to a certain depth, the supporting rod is fixed continuously, so that the supporting plate is abutted against the upper end of the soil;
6. starting the motor again, continuing to move the vertical rod downwards, closing the motor, pressing the pressure head to enable soil to enter the sampling spoon, observing scale marks above the pressure head relative to the transverse rod, and then lifting the pressure head to check the soil with the depth;
7. and the rest is repeated until a reasonable soil sample is obtained.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (10)
1. Soil pesticide residue determination sampler, which is characterized by comprising a supporting rod (1), wherein the supporting rod (1) comprises a cross arm (11) and a vertical rod (12) vertically arranged with the cross arm (11), the cross arm (11) is provided with a limit hole (111), the vertical rod (12) is a hollow cylindrical tube, the limit hole (111) corresponds to the pipeline of the vertical rod (12), a movable rod (2) is arranged in the supporting rod (1), the movable rod (2) comprises an upper end and a lower end, the lower end of the movable rod (2) is penetrated in the vertical rod (12) through the limit hole (111) and extends towards the bottom of the vertical rod (12), a weeding mechanism (3) is arranged at the extending part, the upper end of the movable rod (2) is provided with a driving mechanism (4), the driving mechanism (4) controls the movable rod (2) to rotate so as to drive the weeding mechanism (3) to rotate, montant (12) inboard is provided with the internal thread, the lower extreme of movable rod (2) be provided with the external screw thread that the internal thread corresponds, be provided with sampling mechanism (5) in movable rod (2), the sampling mechanism outside is provided with the scale mark, sampling mechanism (5) lower extreme runs through movable rod (2) are provided with sample spoon (51), movable rod (2) lower extreme is provided with and holds chamber (21), sample spoon (51) set up hold in chamber (21).
2. The soil pesticide residue determination sampler as claimed in claim 1, wherein the sampling spoon (51) is a cavity, the upper end is in the shape of a truncated cone, and the lower end is in the shape of an inverted cone.
3. The soil pesticide residue determination sampler according to claim 2, wherein the sampling mechanism (5) comprises a drawing rod (52), one end of the drawing rod (52) is provided with a pressure head (53) convenient for force application, the other end of the drawing rod is provided with a connecting plate (54), the connecting plate (54) is fixedly connected with the upper end face of the sampling spoon (51), and the scale marks are arranged on the outer side of the drawing rod (52).
4. The soil pesticide residue determination sampler according to claim 3, wherein the movable rod (2) comprises a transverse rod (22) and a vertical rod (23) perpendicular to the transverse rod (22), a through hole for allowing the pull rod (52) to pass through is arranged on the transverse rod (22), the vertical rod (23) is a hollow cylindrical tube, a pipeline of the vertical rod (23) corresponds to the through hole, the pull rod (52) penetrates through the pipeline of the vertical rod (23) and extends towards the bottom of the vertical rod (23), the sampling spoon (51) is arranged at the extending position, and the pressure head (53) is arranged at the upper end of the transverse rod (22).
5. The soil pesticide residue determination sampler of claim 4, wherein the transverse rod (22) is arranged above the cross arm (11), the vertical rod (23) is arranged in a pipeline of the vertical rod (12) in a penetrating manner, an internal thread is arranged on the inner side of the vertical rod (12), an external thread corresponding to the internal thread is arranged on the outer side of the vertical rod (23), and the weeding mechanism (3) is arranged on the external thread of the vertical rod (23).
6. The soil pesticide residue determination sampler according to claim 5, wherein the weeding mechanism (3) comprises a bottom plate (31), a cutting knife (32) is arranged on the bottom plate (31), the cutting knife (32) comprises a hollow cylindrical table, a blade (33) is arranged outside the cylindrical table, a flange is arranged at the bottom end of the cylindrical table, a through hole is arranged on the bottom plate (31), a limiting groove is arranged around the through hole, the lower end of the flange is arranged in the limiting groove, the limiting groove is arranged at the upper end of the bottom plate (31), a limiting hook (34) is arranged on the upper end surface of the bottom plate (31), one end of the limiting hook (34) is fixedly connected with the bottom plate (31), and the other end of the limiting hook is clamped on the upper end surface of the flange.
7. The soil pesticide residue determination sampler according to claim 6, wherein the limiting hook (34) comprises a vertical part and a hook part arranged perpendicular to the vertical part, the bottom end of the vertical part is fixedly connected with the bottom plate (31), and the hook part is connected with the upper end face of the flange.
8. The soil pesticide residue determination sampler according to claim 7, wherein the driving mechanism (4) comprises a driving gear (41), a driven gear (42) and a motor (43), a fixing plate (44) is arranged on the vertical rod (23), a bearing hole is arranged on the fixing plate (44), a bearing is arranged in the bearing hole, the bearing is arranged on the vertical rod (23), a bearing part is arranged on one side of the fixing plate (44), the motor (43) is fixedly arranged on the bearing part, the driving gear (41) is arranged on an output shaft of the motor (43), the driven gear (42) is arranged on the vertical rod (23) and is arranged above the fixing plate (44), and the driving gear (41) and the driven gear (42) are meshed with each other.
9. Soil pesticide residue determination sampler according to claim 8, characterized in that the end of the vertical rod (12) is provided with a butt plate (121) in contact with the soil.
10. The soil pesticide residue determination sampler as claimed in claim 9, wherein the receiving cavity is a circular cavity, and the inner diameter of the receiving cavity is larger than the inner diameter of the movable rod (2) pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170779.0A CN111024435A (en) | 2019-11-26 | 2019-11-26 | Soil pesticide residue determination sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170779.0A CN111024435A (en) | 2019-11-26 | 2019-11-26 | Soil pesticide residue determination sampler |
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| Publication Number | Publication Date |
|---|---|
| CN111024435A true CN111024435A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911170779.0A Pending CN111024435A (en) | 2019-11-26 | 2019-11-26 | Soil pesticide residue determination sampler |
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| Country | Link |
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| CN (1) | CN111024435A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117782684A (en) * | 2024-02-26 | 2024-03-29 | 鄂尔多斯市农牧业生态与资源保护中心(鄂尔多斯市耕地质量监测保护中心) | Saline and alkaline earth surface soil sampler |
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| CN2898581Y (en) * | 2005-08-02 | 2007-05-09 | 世大照明有限公司 | Light structure |
| CN206618583U (en) * | 2017-03-28 | 2017-11-07 | 合肥华创现代农业科技有限公司 | A kind of multi-function shovel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117782684A (en) * | 2024-02-26 | 2024-03-29 | 鄂尔多斯市农牧业生态与资源保护中心(鄂尔多斯市耕地质量监测保护中心) | Saline and alkaline earth surface soil sampler |
| CN117782684B (en) * | 2024-02-26 | 2024-05-03 | 鄂尔多斯市农牧业生态与资源保护中心(鄂尔多斯市耕地质量监测保护中心) | Saline and alkaline earth surface soil sampler |
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