Device for detecting pesticide residues in soil
By designing a pesticide residue detection device in soil that includes excavation device and lifting device, the problem of inaccurate soil mixing and detection results caused by conventional testing devices is solved, and accurate detection of pesticide residues in soil is achieved.
Patent Information
- Application Number
- CN202421261955.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-04
AI Technical Summary
Conventional pesticide residue detection devices directly extend the probe into the soil during inspection, resulting in soil mixing at different depths, which in turn leads to inaccurate detection results.
A pesticide residue detection device in soil, including holding rods, mounting cylinders, detection pipe fittings and lifting devices, is designed. The soil is excavated to a specified depth through the excavation device, and then the detection pipe fittings are extended into the soil using the lifting device to avoid interference from the upper soil.
Local excavation of the soil through the excavation device ensures that the inspection pipe fittings are accurately detected in soils of different depths, avoiding the inaccuracy of the detection results.
Smart Images
Figure CN222800614U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pesticide residue detection, in particular to a device for detecting pesticide residues in soil. Background Art
[0002] During the pesticide spraying process, pesticides may drip into the soil where plants or crops grow. When these pesticides accumulate in the soil at high levels, they will have a great impact on the soil fertility and crop production, which is not conducive to the normal cultivation of plants or crops. Therefore, it is necessary to regularly sample and test the pesticide residues in the soil.
[0003] However, conventional pesticide residue detection devices usually directly insert the detection probe into the soil and perform detection through a detector, but this will cause soils at different depths to mix, resulting in inaccurate test results. Utility Model Content
[0004] The purpose of the utility model is to provide a device for detecting pesticide residues in soil, which solves the problem that conventional pesticide residue detection devices usually directly extend the detection probe into the soil and detect it through a detector, but this will cause soils of different depths to mix, thereby causing inaccurate detection results.
[0005] To achieve the above-mentioned purpose, the utility model provides a device for detecting pesticide residues in soil, comprising a holding rod, a mounting tube, a detection tube and a lifting device, wherein the holding rod is fixedly mounted on the outside of the mounting tube, the detection tube is slidably mounted on the outside of the mounting tube through the lifting device, a catalyst is arranged in the detection tube, and also comprises an excavating device, wherein the excavating device comprises an excavating block, a mounting block, a driving disk and a driving assembly, the mounting block is fixedly mounted in the mounting tube, the driving disk is rotatably mounted on the mounting block through the driving assembly and is located on the outside of the mounting tube, and the excavating block is fixedly mounted on the driving disk.
[0006] Wherein, the driving assembly includes a driving shaft, a first gear and a rotating member, the driving shaft is rotatably mounted on the mounting block and fixedly connected to the driving disk; the first gear is fixedly mounted on the driving shaft; and the rotating member drives the first gear to rotate.
[0007] Wherein, the rotating component includes a motor and a second gear, the motor is fixedly mounted on the mounting block; the second gear is fixedly mounted on the output shaft of the motor and meshes with the first gear.
[0008] Wherein, the excavating device further comprises a rotating ring, a limiting groove is provided on the outer side of the mounting tube, the rotating ring is rotatably mounted on the mounting tube and is located in the limiting groove, and the rotating ring is also fixedly connected to the excavating block.
[0009] Among them, the lifting device includes an electric push rod and a connecting rod, the electric push rod is fixedly installed in the mounting tube; a slide groove is provided on one side of the mounting tube, the connecting rod is fixedly installed at the output end of the electric push rod and passes through the slide groove, and the connecting rod is fixedly connected to the detection pipe fitting.
[0010] The utility model discloses a soil pesticide residue detection device. When in use, the user holds the holding rod so that the digging block contacts the soil surface, then starts the motor to rotate, the motor drives the second gear to rotate, the second gear drives the first gear to rotate by meshing with the first gear, the first gear is fixedly connected to the driving shaft, the rotation of the first gear drives the driving shaft to rotate on the mounting block, the driving shaft drives the driving disk fixedly connected thereto to rotate, the digging block is fixedly connected to the driving disk, and the driving disk drives the digging block The rotation of the digging block loosens the surface layer of the soil, and at the same time, the user presses the holding rod downward to make the digging block dig into the soil. When the specified depth is reached, the lifting device is controlled to extend the detection tube into the soil, and the soil is squeezed into the detection tube. At the same time, the catalyst in the detection tube comes into contact with the residual pesticide in the soil and reacts to develop color, so that the residual pesticide can be detected. Therefore, the digging of the soil by the digging block avoids the interference of the detection tube by the upper soil when it is extended into the soil, which leads to inaccurate detection results of the residual pesticide. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.
[0012] Figure 1 It is a schematic diagram of the overall structure of a device for detecting pesticide residues in soil according to the first embodiment of the utility model.
[0013] Figure 2 It is a schematic structural diagram of an excavating device according to the first embodiment of the utility model.
[0014] Figure 3 It is a schematic diagram of the overall structure of a device for detecting pesticide residues in soil according to the second embodiment of the utility model.
[0015] In the figure: 101-holding rod, 102-installing cylinder, 103-detection pipe fitting, 104-catalyst, 105-digging block, 106-installing block, 107-driving disk, 108-driving shaft, 109-first gear, 110-motor, 111-second gear, 112-rotating ring, 113-limiting groove, 201-electric push rod, 202-connecting rod, 203-slide groove. DETAILED DESCRIPTION
[0016] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0017] The first embodiment of the present application is:
[0018] See also Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the overall structure of a device for detecting pesticide residues in soil according to the first embodiment of the utility model. Figure 2 It is a schematic structural diagram of an excavating device according to the first embodiment of the utility model.
[0019] The utility model provides a device for detecting pesticide residues in soil: comprising a holding rod 101, a mounting tube 102, a detection tube 103 and a lifting device, and also comprising an excavating device, wherein the excavating device comprises an excavating block 105, a mounting block 106, a driving disc 107 and a driving assembly, wherein the driving assembly comprises a driving shaft 108, a first gear 109 and a rotating member, wherein the rotating member comprises a motor 110 and a second gear 111, and the excavating device also comprises a rotating ring 112. The above-mentioned scheme solves the problem that the above-mentioned conventional pesticide residue detection device usually directly extends the detection probe into the soil and performs detection through a detector, but this will cause the soil of different depths to be mixed, thereby causing the problem of inaccurate detection results. It can be understood that the present scheme can also be used to solve the problem of driving the detection tube to lift.
[0020] In this embodiment, the digging block 105 is rotated by the cooperation of the driving assembly and the driving disk 107, and under the pressure of the holding rod 101, the digging block 105 is caused to dig into the soil, and the lifting device drives the detection tube 103 to detect the residual pesticides in the soil, so that the digging of the soil by the digging block 105 avoids the detection tube 103 being disturbed by the upper soil when extending into the soil, which leads to inaccurate detection results of residual pesticides.
[0021] The mounting block 106 is fixedly mounted in the mounting tube 102, the driving disk 107 is rotatably mounted on the mounting block 106 through the driving assembly, and is located outside the mounting tube 102, the digging block 105 is fixedly mounted on the driving disk 107, the mounting tube 102 is a cylindrical structure with an opening facing the outside, the detection tube 103 is through-through, and its upper part is square-shaped, and the lower part is an inverted prism-shaped structure, the catalyst 104 is pasted on the inner wall of the detection tube 103, the catalyst 104 is made of cholinesterase and color developer that are highly sensitive to organic phosphorus and carbamates, and is convenient for color development after detection of pesticide residues, the number of the digging blocks 105 is three groups, and they are distributed in a ring along the axis of the mounting tube 102, the upper part of the digging block 105 is rectangular, and the lower part is triangular, and it is made of steel material, The mounting block 106 is disc-shaped and welded inside the mounting tube 102. The outer diameter of the driving disk 107 is larger than the outer diameter of the mounting tube 102. The driving assembly enables the driving disk 107 to have a better rotation effect. The driving assembly drives the driving disk 107 to rotate, so that the digging block 105 rotates. The rotation of the digging block 105 loosens the surface layer of the soil. At the same time, the holding rod 101 drives the device as a whole to move downward, so that the digging block 105 digs into the soil. Driven by the lifting device, the detection tube 103 extends into the soil to detect the residual pesticides in the soil. Therefore, the digging of the soil by the digging block 105 avoids the interference of the detection tube 103 by the upper soil when it extends into the soil, which leads to inaccurate detection results of residual pesticides.
[0022] Secondly, the driving shaft 108 is rotatably mounted on the mounting block 106 and fixedly connected to the driving disk 107; the first gear 109 is fixedly mounted on the driving shaft 108; the rotating component drives the first gear 109 to rotate, and the driving shaft 108 is rotatably mounted on the mounting block 106 through a bearing, and the first gear 109 is key-connected with the driving shaft 108. The rotating component drives the first gear 109 to rotate, so that the first gear 109 drives the driving shaft 108 to rotate, and the driving shaft 108 drives the driving disk 107 to rotate, thereby achieving a rotation effect on the driving disk 107.
[0023] Again, the motor 110 is fixedly mounted on the mounting block 106; the second gear 111 is fixedly mounted on the output shaft of the motor 110 and meshes with the first gear 109. The motor 110 is fixed to the mounting block 106 by bolts, and the second gear 111 is parallel to the axis of the first gear 109. The motor 110 drives the second gear 111 to rotate, and the second gear 111 drives the first gear 109 to rotate through meshing, thereby achieving a rotation effect on the first gear 109.
[0024] Finally, a limiting groove 113 is provided on the outer side of the mounting tube 102, and the rotating ring 112 is rotatably mounted on the mounting tube 102 and is located in the limiting groove 113. The rotating ring 112 is also fixedly connected to the excavating block 105. The rotating ring 112 is welded to three groups of the excavating blocks 105. When the excavating block 105 rotates, the rotating ring 112 rotates in the limiting groove 113. Through the setting of the rotating ring 112, the rotation of the excavating block 105 is more stable.
[0025] In this embodiment, when in use, the user holds the holding rod 101 to make the excavating block 105 contact the soil surface, and then starts the motor 110 to rotate, and the motor 110 drives the second gear 111 to rotate, and the second gear 111 drives the first gear 109 to rotate by meshing with the first gear 109, and the first gear 109 is fixedly connected to the driving shaft 108, and the rotation of the first gear 109 drives the driving shaft 108 to rotate on the mounting block 106, and the driving shaft 108 drives the driving disk 107 fixedly connected thereto to rotate, and the excavating block 105 is fixedly connected to the driving disk 107, and the driving disk 107 drives The excavating block 105 is driven to rotate, and the rotation of the excavating block 105 loosens the surface layer of the soil. At the same time, the user presses the holding rod 101 downward to make the excavating block 105 dig into the soil. When the specified depth is reached, the detection tube 103 is extended into the soil by controlling the lifting device, and the soil is squeezed into the detection tube 103. At the same time, the catalyst 104 in the detection tube 103 contacts the residual pesticide in the soil and reacts to develop color, so that the residual pesticide can be detected. Therefore, the excavation of the soil by the excavating block 105 avoids the interference of the detection tube 103 by the upper soil when it is extended into the soil, which leads to inaccurate detection results of the residual pesticide.
[0026] The second embodiment of the present application is:
[0027] See also Figure 3 ,in Figure 3It is a schematic diagram of the overall structure of a device for detecting pesticide residues in soil according to the second embodiment of the utility model. On the basis of the first embodiment, the device for detecting pesticide residues in soil according to this embodiment further includes a lifting device, and the lifting device includes an electric push rod 201 and a connecting rod 202.
[0028] In this embodiment, the lifting effect of the detection tube 103 is achieved through the cooperation of the electric push rod 201 and the connecting rod 202.
[0029] Among them, the electric push rod 201 is fixedly installed in the mounting tube 102; a slide groove 203 is provided on one side of the mounting tube 102, the connecting rod 202 is fixedly installed at the output end of the electric push rod 201, and passes through the slide groove 203, and at the same time, the connecting rod 202 is fixedly connected to the detection tube 103, the electric push rod 201 is fixed to the top of the inner side of the mounting tube 102 by screws, the connecting rod 202 is rectangular, and the electric push rod 201 drives the connecting rod 202 to rise and fall along the slide groove 203 through its output end, so that the connecting rod 202 drives the detection tube 103 to rise and fall, thereby achieving the lifting effect of the detection tube 103.
[0030] In this embodiment, the electric push rod 201 drives the connecting rod 202 to move up and down along the slide slot 203 through its output end, so that the connecting rod 202 drives the detection tube 103 to move up and down, thereby achieving a lifting effect on the detection tube 103.
[0031] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.
Claims
1. A device for detecting pesticide residues in soil, comprising a holding rod, a mounting tube, a detection tube and a lifting device, wherein the holding rod is fixedly mounted on the outside of the mounting tube, the detection tube is slidably mounted on the outside of the mounting tube through the lifting device, and a catalyst is arranged in the detection tube, characterized in that: Also included are excavation devices; The excavating device includes an excavating block, a mounting block, a driving disc and a driving assembly. The mounting block is fixedly mounted in the mounting tube. The driving disc is rotatably mounted on the mounting block through the driving assembly and is located outside the mounting tube. The excavating block is fixedly mounted on the driving disc.
2. The device for detecting pesticide residues in soil according to claim 1, characterized in that: The driving assembly includes a driving shaft, a first gear and a rotating member. The driving shaft is rotatably mounted on the mounting block and fixedly connected to the driving disk; the first gear is fixedly mounted on the driving shaft; and the rotating member drives the first gear to rotate.
3. The device for detecting pesticide residues in soil according to claim 2, characterized in that: The rotating member includes a motor and a second gear. The motor is fixedly mounted on the mounting block. The second gear is fixedly mounted on the output shaft of the motor and meshes with the first gear.
4. The device for detecting pesticide residues in soil according to claim 1, characterized in that: The excavating device further comprises a rotating ring, a limiting groove is arranged on the outer side of the mounting tube, the rotating ring is rotatably mounted on the mounting tube and is located in the limiting groove, and the rotating ring is also fixedly connected to the excavating block.
5. The device for detecting pesticide residues in soil according to claim 1, characterized in that: The lifting device includes an electric push rod and a connecting rod. The electric push rod is fixedly installed in the mounting tube. A slide groove is provided on one side of the mounting tube. The connecting rod is fixedly installed at the output end of the electric push rod and passes through the slide groove. At the same time, the connecting rod is fixedly connected to the detection pipe fitting.