Vegetation sampling device for forestry survey

Abstract

The utility model relates to the field of forestry engineering, in particular to a vegetation sampling device for forestry survey, which comprises a second mounting plate, the second mounting plate is fixedly connected with a first bottom plate, an inertial measurement unit is arranged on the first mounting plate, a course shaft is arranged on the second bottom plate, a first support frame is arranged on the course shaft, and a second support frame is arranged on the first support frame. The transverse rolling shaft is arranged on the first supporting frame, the second supporting frame is arranged on the transverse rolling shaft, the pitch shaft is arranged on the second supporting frame, all the brushless motors are arranged at the bottoms of the heading shaft, the transverse rolling shaft and the pitch shaft, the third supporting frame is arranged on the pitch shaft, and the heading shaft, the transverse rolling shaft and the pitch shaft are matched with the brushless motors to adjust the direction of the bearing plate. The inertial measurement unit measures data and controls the brushless motor to enable the bearing plate to be always kept in one direction, pollen on a sample is prevented from being shaken down during descending, the sample is prevented from sliding off, it is guaranteed that the pollen on the sample is not prone to scattering, and the collection efficiency is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of forestry engineering, in particular to a vegetation sampling device for forestry surveying. Background Art

[0002] As we all know, forestry engineering refers to the activities of applying various engineering technologies to forest resource cultivation, development and utilization, and forest product processing based on the principles of efficient utilization and sustainable development of forest resources. Forestry engineering includes forest area planning, forest cultivation and forest protection, forest exploitation, wood product design and processing, design and manufacture of exploitation equipment, design and manufacture of wood product processing equipment, forest fire prevention technology and equipment, etc.

[0003] Vegetation sampling devices are needed during forestry surveys. Traditional vegetation sampling devices usually use a lift to raise the cutting device to a high place for collection when collecting samples at high places. However, some special samples may require collection of samples including pollen on the samples. The vibration generated during the descent of the elevator is likely to shake the pollen on the sample off, and the collection efficiency cannot be guaranteed. Therefore, a vegetation sampling device for forestry surveys is needed. Utility Model Content

[0004] The utility model aims at the technical problems existing in the prior art and provides a vegetation sampling device for forestry survey.

[0005] The utility model solves the above technical problems with the following technical solutions: A vegetation sampling device for forestry surveying comprises a second mounting plate and a first bottom plate, wherein the first bottom plate is arranged on the second mounting plate;

[0006] A plurality of fixing seats, each of which is arranged around the first bottom plate;

[0007] a second bottom plate, the second bottom plate being arranged between the tops of the fixing seats;

[0008] a first mounting plate, the first mounting plate being arranged at the bottom of the second bottom plate;

[0009] an inertial measurement unit, the inertial measurement unit being disposed on the first mounting plate;

[0010] A heading axis, the heading axis is arranged on the second bottom plate;

[0011] A first support frame, wherein the first support frame is arranged on the heading axis;

[0012] A rolling shaft, wherein the rolling shaft is arranged on the first supporting frame;

[0013] a second support frame, the second support frame being arranged on the rolling shaft;

[0014] A pitch axis, the pitch axis being arranged on the second support frame;

[0015] A plurality of brushless motors, each of which is respectively arranged at the bottom of the panning axis, the rolling axis and the pitching axis;

[0016] A third support frame, the third support frame is arranged on the pitch axis;

[0017] A bearing plate, the bearing plate is arranged on the third supporting frame, and a plurality of sliding openings are formed on the bearing plate;

[0018] Two sliding plates, each of which is arranged on the bearing plate and extends to the outside through the sliding opening;

[0019] A plurality of sponge blocks, each of which is arranged on a corresponding sliding plate;

[0020] Two bidirectional screw rods, each of which is arranged between the sliding plates;

[0021] A plurality of first rotating wheels, each of which is arranged on a corresponding bidirectional screw rod;

[0022] a first belt, the first belt being arranged between the first rotating wheels;

[0023] A first motor, wherein the first motor is mounted on the bearing plate through a first mounting block, and an output shaft of the first motor is fixedly connected to the first rotating wheel on one side;

[0024] The lifting mechanism is arranged at the bottom of the second mounting plate and functions to raise the overall height of the device to facilitate cutting of samples at high places.

[0025] Preferably, the lifting mechanism comprises:

[0026] A first lifting plate, wherein the first lifting plate is arranged at the bottom of the second mounting plate;

[0027] A plurality of first sliding blocks, each of which is arranged on both sides of the first lifting plate;

[0028] A plurality of first rotating blocks, each of which is arranged on both sides of the first lifting plate;

[0029] A plurality of first rotating rods, each of the plurality of first rotating rods is disposed on each of the first sliding blocks;

[0030] a first rotating shaft, the first rotating shaft being arranged between the first rotating rods;

[0031] A plurality of second rotating rods, each of the plurality of second rotating rods is disposed on each of the first rotating blocks;

[0032] a second rotating shaft, the second rotating shaft being arranged between the second rotating rods;

[0033] a second lifting plate, the second lifting plate being disposed between each of the first rotating rods and each of the second rotating rods;

[0034] A plurality of second sliding blocks and a plurality of second rotating blocks, each of the second sliding blocks and each of the second rotating blocks are arranged on the second lifting plate;

[0035] Each of the first rotating rods is slidably connected to a corresponding second sliding block;

[0036] Each of the second rotating rods is rotatably connected to a corresponding second rotating block;

[0037] Each of the first rotating rods and each of the second rotating rods are rotatably connected via a shaft;

[0038] A hydraulic push rod is arranged between each of the first rotating shafts and each of the second rotating shafts.

[0039] Furthermore, a fixing block is provided on the bearing plate, and a fixing hole is provided on a side of the fixing block;

[0040] A placement hole, the placement hole is opened on the fixing block;

[0041] A trimming knife, wherein the trimming knife is arranged on the inner wall of the placement hole;

[0042] a second motor, the second motor being disposed on the carrying plate;

[0043] a second rotating wheel, the second rotating wheel being arranged on an output shaft of the second motor;

[0044] A first soft belt, one end of which is arranged on the fixing block, and the other end of which passes around the trimming knife and is arranged on the second rotating wheel.

[0045] Furthermore, a bearing block is provided at the bottom of the second lifting plate;

[0046] A plurality of wheels, each of which is arranged around the bearing block;

[0047] A plurality of searchlights are provided, each of which is arranged on a side surface of the bearing block.

[0048] A further solution is a connecting block, wherein the connecting block is arranged on a side of the bearing block;

[0049] A circular hole, wherein the circular hole is provided on the connecting block;

[0050] A bearing ring, the bearing ring being arranged on the inner wall of the circular hole;

[0051] A plurality of stretching rods, each of which is disposed on the carrying ring and extends through the carrying ring to the outside;

[0052] A first connecting ring, the first connecting ring being arranged between the tops of the stretching rods;

[0053] A second connecting ring, the second connecting ring being arranged between the bottoms of the stretching rods;

[0054] A plurality of mounting rods are provided, each of the mounting rods being arranged on the second connecting ring via a shaft.

[0055] On the basis of the above solution, two first push rods, each of which is arranged on both sides of the bearing block;

[0056] a second pushing rod, the second pushing rod being arranged between the first pushing rods;

[0057] A limit plate is arranged on the connection block through a shaft.

[0058] The beneficial effects of the utility model are as follows: the heading axis, the roll axis and the pitch axis cooperate with the brushless motor to adjust the direction of the carrier plate, the inertial measurement unit measures data and controls the brushless motor to keep the carrier plate in one direction at all times, to avoid shaking the pollen on the sample when descending, and then start the first motor, the first motor starts to drive the first rotating wheel to rotate, the first rotating wheel rotation drives the bidirectional lead screw to rotate, the bidirectional lead screw rotation drives the sliding block to move, the sponge block clamps the sample to prevent the sample from slipping, which not only ensures that the pollen on the sample is not easy to scatter, but also ensures the collection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] Figure 1 It is a schematic diagram of the structure of the utility model;

[0060] Figure 2 This is a schematic diagram of the structure of the heading axis of the utility model;

[0061] Figure 3 It is a structural schematic diagram of the installation rod of the utility model;

[0062] Figure 4 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0063] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0064] 1. Second mounting plate; 2. First base plate; 3. Fixed seat; 4. Second base plate; 5. First mounting plate; 6. Inertial measurement unit; 7. Heading axis; 8. First support frame; 9. Roll axis; 10. Second support frame; 11. Pitch axis; 12. Brushless motor; 13. Third support frame; 14. Loading plate; 15. Sliding plate; 16. Sponge block; 17. Bidirectional screw rod; 18. First rotating wheel; 19. First belt; 20. First motor; 21. Lifting mechanism; 2101. First lifting plate; 2102. First sliding block; 2103. First rotating block; 2104. First rotating rod; 2 111. first rotating shaft; 2105. second rotating rod; 2106. second rotating shaft; 2107. second lifting plate; 2108. second sliding block; 2109. second rotating block; 2110. hydraulic push rod; 22. fixed block; 23. trimming knife; 24. second motor; 25. second rotating wheel; 26. first soft belt; 27. bearing block; 28. wheel; 29. ​​searchlight; 30. connecting block; 31. bearing ring; 32. stretching rod; 33. first connecting ring; 34. second connecting ring; 35. mounting rod; 36. first pushing rod; 37. second pushing rod; 38. limiting plate. DETAILED DESCRIPTION

[0065] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0066] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0067] In the description of the present invention, the term "for example" is used to mean "used as an example, illustration or explanation". Any embodiment described as "for example" in the present invention is not necessarily to be interpreted as being more preferred or advantageous than other embodiments. In order to enable any technician in the field to implement and use the present invention, the following description is given. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present invention can be implemented without using these specific details. In other examples, well-known structures and processes will not be elaborated in detail to avoid unnecessary details that make the description of the present invention obscure. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the widest range of principles and features disclosed in the present invention.

[0068] See also Figures 1 to 4 , a vegetation sampling device for forestry survey, comprising a second mounting plate 1, a first base plate 2 fixedly connected to the second mounting plate 1, each fixing seat 3 is fixedly connected to the four sides of the first base plate 2, a second base plate 4 is fixedly connected between the tops of each fixing seat 3, a first mounting plate 5 is fixedly connected to the bottom of the second base plate 4, the second mounting plate 1 is used to fix the first base plate 2 and the first lifting plate 2101, the first base plate 2 is used to cooperate with the fixing seat 3 and the second base plate 4 to support parts, and the first mounting plate 5 is used to install an inertial measurement unit 6;

[0069] The inertial measurement unit 6 is electrically connected to the first mounting plate 5. The inertial measurement unit 6 includes an acceleration sensor, a measuring unit, a gyroscope sensor and a magnetometer sensor. The acceleration sensor is used to detect the direction of gravity of the carrier plate 14 and provide all rotation information to the measuring unit. The gyroscope sensor is used to detect angular velocity to help the measuring unit understand which axis is rotating and the rotation angle, and then return the angle to zero with the help of the brushless motor 12. The magnetometer sensor is used to detect the magnetic field strength. The measuring unit is used to receive data and control the brushless motor 12 at the same time. The acceleration sensor senses the gravity direction of the carrier plate 14 and sends the data to the measuring unit. After receiving the data, the measuring unit controls the brushless motor 12 to adjust the angle of the carrier plate 14. After the gyroscope sensor detects the angle change, it sends data to the measuring unit. The measuring unit controls the brushless motor 12 to return the angle to zero. The magnetometer sensor cooperates with the gyroscope sensor to balance according to the magnetic field strength.

[0070] The panning axis 7 is rotatably connected to the second base plate 4, the first support frame 8 is rotatably connected to the panning axis 7, the roll axis 9 is rotatably connected to the first support frame 8, the second support frame 10 is rotatably connected to the roll axis 9, the pitch axis 11 is rotatably connected to the second support frame 10, each brushless motor 12 is respectively mounted at the bottom of the panning axis 7, the roll axis 9 and the pitch axis 11, the third support frame 13 is rotatably connected to the pitch axis 11, the function of the panning axis 7 is to control the horizontal direction, the function of the roll axis 9 is to control the rotation direction, the function of the pitch axis 11 is to control the vertical direction, the function of the first support frame 8 is to support the roll axis 9, the function of the second support frame 10 is to support the pitch axis 11, and the function of the third support frame 13 is to support the bearing plate 14;

[0071] The carrying plate 14 is fixedly connected to the third support frame 13, and a plurality of sliding openings are provided on the carrying plate 14. Each sliding plate 15 is slidably connected to the carrying plate 14 and extends to the outside through the sliding openings. Each sponge block 16 is fixedly connected to the corresponding sliding plates 15. Each bidirectional screw rod 17 is connected between each sliding plate 15 by a thread. Each first rotating wheel 18 is fixedly connected to the corresponding bidirectional screw rod 17. The first belt 19 is rotatably connected between each first rotating wheel 18. The first motor 20 is installed on the carrying plate 14 through the first mounting block. The output shaft of the first motor 20 is fixedly connected to the first rotating wheel 18 on one side. The function of the carrying plate 14 is to carry parts and sheared samples. The function of the sliding plate 15 is to cooperate with the sponge block 16 to clamp the sample to prevent it from slipping when it is descended. The function of the bidirectional screw rod 17 is to cooperate with the first belt 19 and the first rotating wheel 18 to drive the two sliding plates 15 to slide toward each other under the drive of the first motor 20 to clamp the sample.

[0072] The lifting mechanism 21 is fixedly connected to the bottom of the second mounting plate 1, and its function is to raise the overall height of the device to facilitate cutting of samples at high places;

[0073] The fixing block 22 is fixedly connected to the carrier plate 14, a fixing hole is provided on the side of the fixing block 22, a placement hole is provided on the fixing block 22, the trimming knife 23 is detachably connected to the inner wall of the placement hole, the second motor 24 is rotated on the carrier plate 14, the second rotating wheel 25 is fixedly connected to the output shaft of the second motor 24, one end of the first soft belt 26 is fixedly connected to the fixing block 22, the other end of the first soft belt 26 passes around the trimming knife 23 and is fixedly connected to the second rotating wheel 25, the function of the fixing block 22 is to cooperate with the placement hole to place the trimming knife 23, and the function of the second rotating wheel 25 is to roll the first soft belt 26 under the drive of the second motor 24 to contract the trimming knife 23 to cut the sample.

[0074] First, see Figure 1In this embodiment, the lifting mechanism 21 includes: a first lifting plate 2101 is fixedly connected to the bottom of the second mounting plate 1, each first sliding block 2102 is fixedly connected to both sides of the first lifting plate 2101, each first rotating block 2103 is fixedly connected to both sides of the first lifting plate 2101, each first rotating rod 2104 is slidably connected to each first sliding block 2102, and the first rotating shaft 2111 is rotatably connected between each first rotating rod 2104. The function of the first lifting plate 2101 is to carry and fix the first sliding block 2102 and the first rotating block 2103, and to fix the second mounting plate 1. The function of the first sliding block 2102 and the first rotating block 2103 is to cooperate with the first rotating shaft 2111 and the second rotating shaft 2106 to drive the first rotating rod 2104 and the second rotating rod 2105 to rotate. The function of the first rotating rod 2104 and the second rotating rod 2105 is to drive the first lifting plate 2101 to rise under the drive of the hydraulic push rod 2110 and the second rotating shaft 2106;

[0075] Each second rotating rod 2105 is rotatably connected to each first rotating block 2103, the second rotating shaft 2106 is rotatably connected between each second rotating rod 2105, the second lifting plate 2107 is installed between each first rotating rod 2104 and each second rotating rod 2105, each second sliding block 2108 and each second rotating block 2109 are fixedly connected to the second lifting plate 2107, each first rotating rod 2104 is slidably connected to the corresponding second sliding block 2108, each second rotating rod 2105 is rotatably connected to the corresponding second rotating block 2109, each first rotating rod 2104 and each second rotating rod 2105 are rotatably connected through an axis, a hydraulic push rod 2110 is installed between each first rotating shaft 2111 and each second rotating shaft 2106, and the function of the second lifting plate 2107 is to connect the bearing block 27.

[0076] Finally, see Figure 1 In this embodiment, the bearing block 27 is fixedly connected to the bottom of the second lifting plate 2107, each wheel 28 is rotatably connected to the periphery of the bearing block 27, each searchlight 29 is fixedly connected to the side of the bearing block 27, and the bearing block 27 serves to carry the wheels 28 and the searchlight 29;

[0077] The connecting block 30 is fixedly connected to the side of the bearing block 27, a circular hole is opened on the connecting block 30, a bearing ring 31 is fixedly connected to the inner wall of the circular hole, each stretching rod 32 is slidably connected to the bearing ring 31 and extends to the outside through the bearing ring 31, a first connecting ring 33 is fixedly connected between the tops of each stretching rod 32, a second connecting ring 34 is fixedly connected between the bottoms of each stretching rod 32, and each mounting rod 35 is arranged on the second connecting ring 34 through an axis. The function of the connecting block 30 is to carry and fix the bearing ring 31, the function of the bearing ring 31 is to carry the stretching rod 32, the function of the stretching rod 32 is to connect the first connecting ring 33 and the second connecting ring 34, the function of the first connecting ring 33 is to serve as a handle for pulling the stretching rod 32, the function of the second connecting ring 34 is to connect the mounting rod 35, and the function of the mounting rod 35 is to install a collection knife, and the first connecting ring 33 is pulled to drive the second connecting ring 34 to move, and the mounting rod 35 is compressed by the bearing ring 31 to shrink the collection knife and bring the rhizome of the sample out of the soil;

[0078] Each first push rod 36 is fixedly connected to both sides of the supporting block 27, the second push rod 37 is fixedly connected between the first push rods 36, and the limit plate 38 is connected to the connecting block 30 by shaft rotation. The function of the first push rod 36 and the second push rod 37 is to cooperate with each other to push the device to move as a whole, and the function of the limit plate 38 is to limit the movement of the first connecting ring 33.

[0079] Working principle:

[0080] When using the vegetation sampling device for forestry survey, the vegetation sampling device for forestry survey is first placed at the desired location. First, the staff starts the hydraulic push rod 2110. The hydraulic push rod 2110 starts to drive the first rotating shaft 2111 and the second rotating shaft 2106 to move. The movement of the first rotating shaft 2111 and the second rotating shaft 2106 drives the first rotating rods 2104 and the second rotating rods 2105 to rotate. The rotation of the first rotating rods 2104 and the second rotating rods 2105 drives the first lifting plate 2101 to move, so as to adjust the height of the vegetation sampling device for forestry survey. After moving to the appropriate height, the staff then starts the second motor 24. The second motor 24 starts to drive the first lifting plate 2101 to move. The second rotating wheel 25 rotates, and the rotation of the second rotating wheel 25 drives the first soft belt 26 to move. The movement of the first soft belt 26 drives the trimming knife 23 to cut the sample. When the sample falls on the supporting plate 14, the inertial measurement unit 6 detects data and controls the brushless motor 12. The brushless motor 12 controls the heading axis 7, the roll axis 9 and the pitch axis 11 to keep the supporting plate 14 at a vertical angle, and starts the first motor 20. The first motor 20 starts and drives the first rotating wheel 18 to rotate. The rotation of the first rotating wheel 18 drives the bidirectional screw rod 17 to rotate. The rotation of the bidirectional screw rod 17 drives the sliding plate 15 to move. The movement of the sliding plate 15 drives the sponge block 16 to move. The sponge block 16 moves to clamp the sample, so that the sample can be well collected and transported.

[0081] Although the preferred embodiments of the utility model have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the utility model.

[0082] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A vegetation sampling device for forestry survey, comprising a second mounting plate (1), characterized in that: A first bottom plate (2), the first bottom plate (2) being arranged on the second mounting plate (1); A plurality of fixing seats (3), each of the fixing seats (3) being arranged around the first bottom plate (2); A second bottom plate (4), the second bottom plate (4) being arranged between the tops of the fixing seats (3); A first mounting plate (5), the first mounting plate (5) being arranged at the bottom of the second bottom plate (4); an inertial measurement unit (6), wherein the inertial measurement unit (6) is arranged on the first mounting plate (5); A heading axis (7), wherein the heading axis (7) is arranged on the second bottom plate (4); A first support frame (8), wherein the first support frame (8) is arranged on the heading axis (7); A rolling shaft (9), wherein the rolling shaft (9) is arranged on the first supporting frame (8); A second support frame (10), wherein the second support frame (10) is arranged on the rolling shaft (9); A pitch axis (11), wherein the pitch axis (11) is arranged on the second support frame (10); A plurality of brushless motors (12), each of the brushless motors (12) being arranged at the bottom of the panning axis (7), the rolling axis (9) and the pitching axis (11); A third support frame (13), wherein the third support frame (13) is arranged on the pitch axis (11); A bearing plate (14), the bearing plate (14) being arranged on the third support frame (13), and the bearing plate (14) being provided with a plurality of sliding openings; Two sliding plates (15), each of the sliding plates (15) is arranged on the carrying plate (14) and extends to the outside through the sliding opening; A plurality of sponge blocks (16), each of the sponge blocks (16) being arranged on a corresponding sliding plate (15); Two bidirectional screw rods (17), each of the bidirectional screw rods (17) is arranged between each of the sliding plates (15); A plurality of first rotating wheels (18), each of the first rotating wheels (18) being arranged on a corresponding bidirectional screw rod (17); A first belt (19), wherein the first belt (19) is arranged between the first rotating wheels (18); A first motor (20), wherein the first motor (20) is mounted on the bearing plate (14) via a first mounting block, and an output shaft of the first motor (20) is fixedly connected to the first rotating wheel (18) on one side; A lifting mechanism (21) is arranged at the bottom of the second mounting plate (1) and functions to raise the overall height of the device to facilitate cutting of samples at high places.

2. A vegetation sampling device for forestry survey according to claim 1, characterized in that: The lifting mechanism (21) comprises: A first lifting plate (2101), wherein the first lifting plate (2101) is arranged at the bottom of the second mounting plate (1); A plurality of first sliding blocks (2102), each of the first sliding blocks (2102) being arranged on both sides of the first lifting plate (2101); A plurality of first rotating blocks (2103), each of the first rotating blocks (2103) being arranged on both sides of the first lifting plate (2101); A plurality of first rotating rods (2104), each of the plurality of first rotating rods (2104) being arranged on each of the first sliding blocks (2102); A first rotating shaft (2111), wherein the first rotating shaft (2111) is arranged between the first rotating rods (2104); A plurality of second rotating rods (2105), each of the plurality of second rotating rods (2105) being arranged on each of the first rotating blocks (2103); A second rotating shaft (2106), wherein the second rotating shaft (2106) is arranged between the second rotating rods (2105); a second lifting plate (2107), wherein the second lifting plate (2107) is disposed between each of the first rotating rods (2104) and each of the second rotating rods (2105); a plurality of second sliding blocks (2108) and a plurality of second rotating blocks (2109), each of the second sliding blocks (2108) and each of the second rotating blocks (2109) being arranged on the second lifting plate (2107); Each of the first rotating rods (2104) is slidably connected to a corresponding second sliding block (2108); Each of the second rotating rods (2105) is rotationally connected to a corresponding second rotating block (2109); Each of the first rotating rods (2104) and each of the second rotating rods (2105) are rotatably connected via an axis; A hydraulic push rod (2110), wherein the hydraulic push rod (2110) is arranged between each of the first rotating shafts (2111) and each of the second rotating shafts (2106).

3. A vegetation sampling device for forestry survey according to claim 2, characterized in that: A fixing block (22), the fixing block (22) being arranged on the carrying plate (14), and a fixing hole being provided on a side surface of the fixing block (22); a placement hole, the placement hole being opened on the fixing block (22); A trimming knife (23), wherein the trimming knife (23) is arranged on the inner wall of the placement hole; a second motor (24), the second motor (24) being arranged on the carrying plate (14); a second rotating wheel (25), the second rotating wheel (25) being arranged on an output shaft of the second motor (24); A first soft belt (26), one end of which is arranged on the fixed block (22), and the other end of which is passed around the trimming knife (23) and arranged on the second rotating wheel (25).

4. A vegetation sampling device for forestry survey according to claim 3, characterized in that: A bearing block (27), the bearing block (27) being arranged at the bottom of the second lifting plate (2107); A plurality of wheels (28), each of the wheels (28) being arranged around the bearing block (27); A plurality of searchlights (29), each of the searchlights (29) is arranged on a side of the bearing block (27).

5. A vegetation sampling device for forestry survey according to claim 4, characterized in that: A connecting block (30), wherein the connecting block (30) is arranged on a side of the bearing block (27); a circular hole, the circular hole being formed on the connecting block (30); A bearing ring (31), wherein the bearing ring (31) is arranged on the inner wall of the circular hole; A plurality of stretching rods (32), each of the stretching rods (32) is arranged on the carrying ring (31) and passes through the carrying ring (31) and extends to the outside; A first connecting ring (33), the first connecting ring (33) being arranged between the tops of the stretching rods (32); A second connecting ring (34), the second connecting ring (34) being arranged between the bottoms of the stretching rods (32); A plurality of mounting rods (35), each of the mounting rods (35) is arranged on the second connecting ring (34) via a shaft.

6. A vegetation sampling device for forestry survey according to claim 5, characterized in that: Two first push rods (36), each of the first push rods (36) being arranged on two sides of the bearing block (27); a second pushing rod (37), the second pushing rod (37) being arranged between the first pushing rods (36); A limiting plate (38), wherein the limiting plate (38) is arranged on the connecting block (30) via a shaft.

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