Forestry soil sampling device
By using a forestry soil sampling device mounted on a drone, and utilizing a motor and worm gear mechanism, remote soil collection, filtration, and storage are achieved. This solves the problem of low efficiency in areas where traditional sampling methods are difficult to access, and enables efficient and stable soil collection and sample processing.
Patent Information
- Application Number
- CN202520166159.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Traditional forestry soil sampling methods are difficult to use in deep forests and on steep slopes, and manual sampling is inefficient and inconvenient for remote operation.
Design a forestry soil sampling device that can be equipped with a drone. It utilizes a soil sampling shell, a rotating drum, a motor, and a worm gear mechanism to achieve remote soil collection and sample filtration and storage, combined with camera-assisted control.
It enables efficient soil collection in hard-to-reach areas, reduces manual labor intensity, improves sampling efficiency, and ensures stable take-off and landing of drones and the purity of samples.
Smart Images
Figure CN223910543U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to forestry soil sampling device technical field, specifically is a forestry soil sampling device. BACKGROUND
[0002] Forestry soil sampling is an important means to obtain forestry soil information. By collecting representative soil samples and analyzing them, the physical, chemical and biological properties of the soil can be understood, providing scientific basis for forestry production, scientific research and management.
[0003] Sampling purposes
[0004] Soil fertility assessment: analyze the content of nitrogen, phosphorus, potassium and other nutrients in the soil, as well as organic matter, pH value and other indicators, understand the soil fertility status, provide basis for reasonable fertilization, and ensure that the growth of trees obtains sufficient nutrients.
[0005] Soil texture determination: determine the proportion of sand, silt and clay in the soil, understand the soil texture, judge the aeration, permeability and water retention of the soil, which is helpful for selecting suitable tree species and formulating reasonable forest management measures.
[0006] Environmental pollution detection: detect the content of heavy metals (such as lead, cadmium, mercury, etc.), pesticide residues and other pollutants in the soil, assess whether the forest soil is polluted, and protect the health of forest ecosystem and the quality and safety of forest products.
[0007] Forest ecological research: study the biological characteristics of soil microbial community structure, soil enzyme activity, etc., explore the relationship between soil and trees, microorganisms in forest ecosystem, and provide theoretical support for the protection and restoration of forest ecosystem.
[0008] Traditional soil sampling methods require manual sampling on site and bringing the soil back; but it is very inconvenient to sample in some deep forest, steep slope and high mountain areas, and the work efficiency of manual sampling on site is very low. Utility model content
[0009] The utility model aims at providing a forestry soil sampling device, which can be remotely controlled, and can reach the site where manual sampling is not convenient through a unmanned aerial vehicle to sample and take back the soil sample, thus reducing the labor intensity and improving the efficiency of forestry soil sampling; to solve the technical problems in the above background.
[0010] To achieve the above purpose, the utility model provides the following technical scheme:
[0011] A forestry soil sampling device, comprising a soil sampling assembly that can be carried by a unmanned aerial vehicle, the soil sampling assembly having three soil sampling housings for grabbing soil;
[0012] The upper end of the three earth taking shells is movably connected with the rotating wheel through a rotating shaft, wherein the rotating wheel is threadedly connected with a screw rod, and the upper end of the screw rod is fixed with the rotating disc;
[0013] The rotating disc is clamped at the bottom of the rotating drum and is fixed by screw locking; the rotating drum is externally provided with a gear ring which is meshingly connected with a gear on the second motor.
[0014] As a further technical scheme of the utility model, the three earth taking shells are arranged in a conical shape after being closed, and the inner side of the lower end of each earth taking shell is arranged in a pointed shape.
[0015] As a further technical scheme of the utility model, the upper end of the rotating drum is rotatably connected with the turnover frame; and the second motor is fixed on the turnover frame.
[0016] As a further technical scheme of the utility model, the rotating drum is externally provided with three fixed ears in an annular array; each fixed ear is movably connected with a movable arm through a rotating shaft; and the lower end of the movable arm is movably connected with the earth taking shell through a rotating shaft.
[0017] As a further technical scheme of the utility model, the rotating drum is further embedded with a filter screen plate which is arranged in an inclined manner.
[0018] As a further technical scheme of the utility model, the upper end of the turnover frame is further fixed with a worm wheel disc on one side; the worm wheel disc is drivingly connected with a worm which is cooperatively installed on the output shaft of the first motor; and the first motor is fixed on the fixed frame.
[0019] The inner side of the fixed frame is movably connected with the protruding shaft on the outer side of the worm wheel disc through a bearing.
[0020] As a further technical scheme of the utility model, the upper end of the turnover frame is further threadedly connected with a sampling cylinder.
[0021] As a further technical scheme of the utility model, the fixed frame is fixed with the connecting frame through bolts; and the upper end of the connecting frame is fixed at the bottom of the unmanned aerial vehicle through bolts.
[0022] As a further technical scheme of the utility model, the bottom of the unmanned aerial vehicle is further loaded with a camera which is located on one side of the earth taking assembly.
[0023] As a further technical scheme of the utility model, the lower end of the unmanned aerial vehicle is further fixed with two landing gears.
[0024] Compared with the prior art, the utility model has the advantages that:
[0025] 1. The utility model discloses, when sampling soil, the second motor is rotated through gear drive gear ring, the rotary drum is rotated through the fixed lug and drives three earth taking shells to rotate at this time, and the lower end of each earth taking shell is arranged in the inside sharp -end shape, so that when the earth taking shell rotates and is pasted to the ground rotation, the earth taking shell lower end is also connected with the rotating wheel, and the rotating wheel will slide upwards along the screw rod, thereby realizing the collection of soil.
[0026] 2. The utility model discloses a first motor is set up cooperation worm and worm wheel disc can realize the overturning of the turnover frame, when the turnover frame overturns 90 degrees, the earth taking shell that contracts is in the horizontal state, so that the normal takeoff of unmanned aerial vehicle can be guaranteed, and the stable landing gear is guaranteed and falls on the ground.
[0027] 3. The utility model discloses a first motor cooperation worm and worm wheel disc drive and overturn the turnover frame, when the turnover frame overturns 180 degrees, the earth sample in three earth taking shells can be filtered into the sampling cylinder after the filter screen board, so that the staff will take down the sampling cylinder with the earth sample. DRAWINGS
[0028] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0029] Figure 2 It is the bottom structure schematic diagram of the utility model Figure 1 .
[0030] Figure 3 It is the front view of the utility model Figure 1 .
[0031] Figure 4 It is the left view of the utility model Figure 3 .
[0032] Figure 5 It is the sampling state structure schematic diagram of the utility model.
[0033] Figure 6 It is the landing state structure schematic diagram of the utility model.
[0034] Figure 7 It is the earth taking subassembly structure schematic diagram of the utility model.
[0035] Figure 8 It is the earth taking subassembly split structure schematic diagram of the utility model.
[0036] Figure 9 It is the partial structure schematic diagram of the utility model Figure 8 .
[0037] Figure 10 It is the partial structure schematic diagram of the utility model Figure 4Structure diagram of the utility model.
[0038] Figure 11 Structure diagram of the rotating drum in the utility model.
[0039] In the figure: 1 - unmanned aerial vehicle, 2 - camera, 3 - soil taking assembly, 4 - landing gear, 5 - connecting frame;
[0040] 31 - turnover frame, 32 - rotating disc, 33 - screw rod, 34 - worm wheel disc, 35 - worm, 36 - first motor, 37 - fixing frame, 38 - sampling cylinder, 39 - second motor, 310 - gear, 311 - soil taking shell, 312 - movable arm, 313 - tooth ring, 314 - rotating wheel, 315 - fixing lug, 316 - filter screen plate, 317 - rotating drum. DETAILED DESCRIPTION
[0041] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0042] Please refer to Figures 1-11 In the embodiments of the utility model, a forestry soil sampling device comprises a soil taking assembly 3 that can be carried by an unmanned aerial vehicle 1, the soil taking assembly 3 has three soil taking shells 311 for grabbing soil; the upper ends of the three soil taking shells 311 are movably connected with a rotating wheel 314 through a rotating shaft, wherein the rotating wheel 314 is threadedly connected with a screw rod 33, and the upper end of the screw rod 33 is fixed with a rotating disc 32; the rotating disc 32 is clamped at the bottom of a rotating drum 317 and is fixed by screw locking; the rotating drum 317 is externally provided with a tooth ring 313, and the tooth ring 313 is meshingly connected with a gear 310 on a second motor 39.
[0043] More specifically, the upper end of the rotating drum 317 is rotatably connected with a turnover frame 31, and the second motor 39 is fixed on the turnover frame 31.
[0044] By adopting the above technical solution, when soil is sampled, the second motor 39 drives the tooth ring 313 to rotate through the gear 310, at this time, the rotating drum 317 drives the three soil taking shells 311 to rotate through the fixing lugs 315, the lower end of each soil taking shell 311 is provided in a pointed shape on the inner side, so that when the soil taking shell 311 rotates and adheres to the ground, the soil is broken, and since the lower end of the soil taking shell 311 is also connected with the rotating wheel 314, the rotating wheel 314 will slide upward along the screw rod 33, thereby realizing the collection of soil.
[0045] In the embodiment, the outer annular array of the rotating drum 317 has three fixing ears 315; each fixing ear 315 is movably connected with an active arm 312 through a rotating shaft; the lower end of the active arm 312 is movably connected with the soil taking shell 311 through a rotating shaft.
[0046] Through the above technical scheme, the three soil taking shells 311 can be opened and closed when the rotating drum 317 rotates under the cooperation of the active arm 312
[0047] In the embodiment, the upper end of the turnover frame 31 is further fixed with a worm disc 34; the worm disc 34 is in transmission connection with a worm 35 which is cooperatively installed on the output shaft of a first motor 36; the first motor 36 is fixed on a fixing frame 37; the inside of the fixing frame 37 is movably connected with the protruding shaft on the outside of the worm disc 34 through a bearing.
[0048] Through the above technical scheme, the height of the soil taking assembly 3 needs to be greater than the height of the landing gear 4 to realize the collection of soil, but it cannot guarantee the normal take-off and landing of the unmanned aerial vehicle 1; the first motor 36 cooperates with the worm 35 and the worm disc 34 to realize the turnover of the turnover frame 31; when the turnover frame 31 is turned over by 90 degrees, the soil taking shell 311 which is retracted is in a horizontal state, so that the normal take-off and landing of the unmanned aerial vehicle 1 can be guaranteed, and the landing gear 4 can be stably landed on the ground.
[0049] In the embodiment, the upper end of the turnover frame 31 is further threadedly connected with a sampling cylinder 38; the inside of the rotating drum 317 is further embedded with a filter screen plate 316 which is arranged in an inclined manner.
[0050] Through the above technical scheme, the first motor 36 cooperates with the worm 35 and the worm disc 34 to drive and turn over the turnover frame 31; when the turnover frame 31 is turned over by 180 degrees, the soil samples in the three soil taking shells 311 will be filtered by the filter screen plate 316 and then enter the sampling cylinder 38, so that the staff can take down the sampling cylinder 38 containing the soil samples;
[0051] The setting of the filter screen plate 316 can filter weeds and leaves.
[0052] In the embodiment, the fixing frame 37 is fixed with the connecting frame 5 through bolts; the upper end of the connecting frame 5 is fixed at the bottom of the unmanned aerial vehicle 1 through bolts.
[0053] Through the above technical scheme, the structure is simple and convenient to disassemble and assemble.
[0054] In the embodiment, the bottom of the unmanned aerial vehicle 1 is further loaded with a camera 2 which is located on one side of the soil taking assembly 3; the lower end of the unmanned aerial vehicle 1 is further fixed with two landing gears 4.
[0055] By adopting the technical scheme, the camera 2 can transmit the flight picture back to the ground in real time (generally, a UAV is equipped with the camera, and the specific principle is not described here), thereby facilitating the control of the UAV by the staff.
[0056] The working principle of the utility model is: when sampling the soil, the second motor 39 drives the gear ring 313 to rotate through the gear 310, at this time, the rotating drum 317 drives the three soil taking shells 311 to rotate through the fixing lug 315, the lower end of each soil taking shell 311 is provided with a sharp end, so that when the soil taking shell 311 rotates and adheres to the ground, the hardened soil is broken, since the lower end of the soil taking shell 311 is also connected with the rotating wheel 314, the rotating wheel 314 will slide upwards along the screw rod 33, thereby realizing the collection of the soil; the first motor 36 cooperates with the worm 35 and the worm disc 34 to realize the overturning of the overturning frame 31, when the overturning frame 31 overturns by 90 degrees, the soil taking shell 311 that is retracted is in a horizontal state, so that the normal take-off and landing of the unmanned aerial vehicle 1 is ensured, and the landing gear 4 is ensured to stably land on the ground; the first motor 36 cooperates with the worm 35 and the worm disc 34 to drive and overturn the overturning frame 31, when the overturning frame 31 overturns by 180 degrees, the soil samples in the three soil taking shells 311 are filtered through the filter screen plate 316 and then enter the sampling cylinder 38, so that the staff can take down the sampling cylinder 38 containing the soil samples.
[0057] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and.
[0058] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.
[0059] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.
Claims
1. A forestry soil sampling device, comprising a soil sampling component (3) that can be used by a drone (1), characterized in that: The soil-collecting component (3) has three soil-collecting shells (311) for grabbing soil; The upper ends of the three soil sampling shells (311) are movably connected to the rotating wheel (314) via a rotating shaft, wherein the rotating wheel (314) is threadedly connected to the screw (33), and the upper end of the screw (33) is fixed to the rotating disk (32); The rotating disk (32) is snapped into the bottom of the rotating drum (317) and locked in place by screws; the rotating drum (317) is provided with a toothed ring (313) on the outside, which meshes with the gear (310) on the second motor (39).
2. The forestry soil sampling device according to claim 1, characterized in that: The three soil sampling shells (311) are arranged in a cone shape after being closed, and the lower inner side of each soil sampling shell (311) is set in a pointed shape.
3. The forestry soil sampling device according to claim 1, characterized in that: The upper end of the rotating drum (317) is rotatably connected to the tilting frame (31); the second motor (39) is fixed on the tilting frame (31).
4. The forestry soil sampling device according to claim 1, characterized in that: The outer annular array of the rotating drum (317) has three fixed ears (315); each fixed ear (315) is movably connected to a movable arm (312) via a rotating shaft; the lower end of the movable arm (312) is movably connected to the soil sampling shell (311) via a rotating shaft.
5. The forestry soil sampling device according to claim 4, characterized in that: The inside of the rotating drum (317) is also fitted with a filter screen plate (316), which is arranged at an angle.
6. The forestry soil sampling device according to claim 3, characterized in that: A worm gear disk (34) is fixed on one side of the upper end of the flipping frame (31); the worm gear disk (34) is connected to the worm (35) for transmission, and the worm (35) is installed on the output shaft of the first motor (36); the first motor (36) is fixed on the fixing frame (37); The inner side of the fixed frame (37) is movably connected to the protruding shaft on the outer side of the worm gear disk (34) via a bearing.
7. The forestry soil sampling device according to claim 3, characterized in that: The upper end of the flipping frame (31) is also threaded with a sampling cylinder (38).
8. The forestry soil sampling device according to claim 6, characterized in that: The fixing frame (37) is fixed to the connecting frame (5) by bolts; the upper end of the connecting frame (5) is fixed to the bottom of the UAV (1) by bolts.
9. The forestry soil sampling device according to claim 1, characterized in that: The drone (1) is also equipped with a camera (2) at the bottom, which is located on one side of the soil sampling component (3).
10. The forestry soil sampling device according to claim 1, characterized in that: The lower end of the drone (1) is also fixed with two landing gears (4).