Wetland plant investigation and protection equipment

Abstract

The invention discloses wetland plant investigation protection equipment, and belongs to the technical field of wetland plant investigation equipment.The wetland plant investigation protection equipment is characterized in that a plant is sleeved with a protection sleeve, the protection sleeve is inserted into soil on the outer side of the plant, then an excavation sleeve is inserted into the protection sleeve, the plant is located in the excavation sleeve, and the excavation sleeve is rotated after the excavation sleeve is inserted into the soil; the digging sleeve drives the cutting piece to horizontally rotate through the linkage assembly and cut soil in the digging sleeve, so that the root system of the plant is cut and separated from the soil below, and then the digging sleeve is lifted and completely digs out the plant; the problems that in the prior art, wetland plants are not inconvenient to dig and sample, and the plants are prone to being damaged in the digging process are solved.

Description

Technical Field

[0001] The present invention relates to a wetland plant investigation and protection device, belonging to the technical field of wetland plant investigation equipment. Background Art

[0002] Wetland plants are an important part of the wetland ecosystem. To understand the health status of the wetland ecosystem, it is necessary to investigate wetland plants. The investigation scope includes the types, quantities, and distribution of plants, as well as the changes in the soil, water quality, and climate where the plants are located. These data can evaluate the ecological environment quality of the wetland, facilitate the formulation of protection measures, and promote ecological restoration. In addition, wetland plant investigation also provides basic data for scientific research, helps to understand the functions and evolution laws of the wetland ecosystem, and provides important information for ecological research. When investigators investigate the roots of wetland plants and the soil around the roots, they will dig up the plants together with the soil to facilitate sampling and detection. However, the soil in the wetland has rich water content, the soil around the plants is loose and has high fluidity, making it difficult for investigators to dig up the plants, and there may be damage to the plants during the digging process. Summary of the Invention

[0003] The technical problem to be solved by the present invention is: to provide a wetland plant investigation and protection device, which improves the problems of inconvenient sampling of wetland plants and easy damage to plants during the digging process in the prior art.

[0004] The technical problem to be solved by the present invention is achieved by adopting the following technical solutions: A wetland plant investigation and protection device includes a protection component, including a protection sleeve, the upper and lower ends of the protection sleeve are through, and the lower end of the protection sleeve has a first insertion end to insert the lower end of the protection sleeve into the soil; a digging component, including a digging sleeve, the lower end of the digging sleeve is through, the lower end of the digging sleeve has a second insertion end to insert the lower end of the digging sleeve into the soil, the digging sleeve is inserted and matched with the protection sleeve, and the outer side wall of the digging sleeve is attached to the inner side wall of the protection sleeve; a cutting member, arranged on the inner side wall of the digging sleeve near the bottom, the cutting member is rotatably connected to the digging sleeve, and one end of the cutting member can rotate horizontally towards the center of the digging sleeve to cut the soil in the digging sleeve; a linkage component, which is linked to the digging sleeve and the cutting member. After the digging sleeve is inserted into the soil from the protection sleeve, the digging sleeve can rotate relative to the protection sleeve and drive the cutting member to rotate horizontally through the linkage component.

[0005] By adopting the above technical solution, the protective sleeve is sleeved on the plant and inserted into the soil outside the plant, and then the excavation sleeve is inserted into the protective sleeve so that the plant is located inside the excavation sleeve. After the excavation sleeve is inserted into the soil, the excavation sleeve is rotated. The excavation sleeve drives the cutting member to rotate horizontally through the linkage assembly and cut the soil inside the excavation sleeve, so that the plant roots are cut and separated from the soil below. Then the excavation sleeve is lifted, and the excavation sleeve digs out the plant completely; The protective sleeve plays a protective role for the plant, and at the same time can separate the soil and water outside the protective sleeve from the inside, avoiding the backflow of soil and water when excavating the plant, resulting in an increase in the excavation difficulty. The cutting member cuts the soil below the plant roots, which can effectively cut the connection between the plant roots and the soil, facilitating the removal of the plant and reducing the digging difficulty. At the same time, the cutting member is located below the dug plant and plays a supporting role to prevent the plant from falling when the excavation sleeve is lifted.

[0006] The present invention is further configured as: a sampling opening communicating with the inside and outside is formed on the side wall of the excavation sleeve, a baffle for covering the sampling opening is provided on the side wall of the excavation sleeve, the baffle is rotatably connected to the excavation sleeve, and the baffle can rotate outwards to open the sampling opening.

[0007] By adopting the above technical solution, after the excavation sleeve digs out the plant, the baffle is rotated to open the sampling opening, and the investigator can observe and sample through the sampling opening.

[0008] The present invention is further configured as: the baffle is linked with the linkage assembly. After the excavation sleeve digs out the plant and leaves the protective sleeve, when the baffle opens the sampling opening, the cutting member is driven to reset through the linkage assembly.

[0009] By adopting the above technical solution, when the baffle opens the sampling opening, the cutting member is driven to reset through the linkage assembly. After the cutting member is reset, there is no support below the plant, which facilitates the removal of the plant on the excavation sleeve.

[0010] The present invention is further configured as: the linkage assembly includes a connecting rod, a mating gear and a mating tooth ring. The connecting rod is rotatably connected to the excavation sleeve, and the two ends of the connecting rod are respectively connected to the mating gear and the cutting member. The mating tooth ring is rotatably connected to the excavation sleeve. The inner side wall of the mating gear has teeth and meshes with the mating gear; a limiting rod is provided at an eccentric position of the mating tooth ring. When the excavation sleeve moves towards the soil inside the protective sleeve, the excavation sleeve can drive the limiting rod to be inserted and matched with the protective sleeve so that the mating tooth ring and the protective sleeve are relatively fixed when rotating.

[0011] By adopting the above technical solution, a planetary gear assembly is formed by the cooperation of a gear and a mating gear ring. After the excavation sleeve is inserted into the soil, the limiting rod on the mating gear ring is inserted into the protection sleeve, so that the mating gear ring is connected to the protection sleeve. The mating gear ring and the protection sleeve are relatively fixed during rotation. When the excavation sleeve is rotated, the cutting member rotates relative to the excavation sleeve and cuts the soil.

[0012] The present invention is further configured as follows: a rotating shaft is provided on the baffle, the baffle is rotatably connected to the excavation sleeve through the rotating shaft, the linkage assembly further includes a driving gear, the driving gear is axially slidably positioned on the rotating shaft, and the driving gear can move on the rotating shaft and mesh with the mating gear ring. The baffle rotates and drives the mating gear to rotate through the cooperation of the driving gear and the mating gear ring, so as to reset the cutting member.

[0013] By adopting the above technical solution, when the excavation sleeve is located inside the protection sleeve, the driving gear is separated from the mating gear ring, and the driving gear ring does not interfere with the rotation of the excavation sleeve and the cutting member; after the excavation sleeve digs out the plant and separates from the inside of the protection sleeve, the driving gear is moved to mesh with the mating gear ring, the baffle rotates and drives the mating gear to rotate through the cooperation of the driving gear and the mating gear ring, so as to further drive the cutting member to rotate reversely and reset.

[0014] The present invention is further configured as follows: the protection assembly further includes a stabilizing block, a stabilizing groove is formed on the outer wall of the protection sleeve, the stabilizing block is inserted and fitted into the stabilizing groove, and after the protection sleeve and the excavation sleeve are inserted into the soil, one end of the stabilizing block can move outside the protection sleeve and be inserted into the soil.

[0015] By adopting the above technical solution, after the excavation sleeve is inserted into the soil, one end of the stabilizing block can move to the protection sleeve and be inserted into the soil, playing a stabilizing role.

[0016] The present invention is further configured as follows: a coupling assembly is provided between the excavation sleeve and the protection sleeve. After the excavation sleeve is inserted into the soil from inside the protection sleeve, the excavation sleeve can rotate relative to the protection sleeve and drive the stabilizing block to be inserted into the soil through the coupling assembly.

[0017] By adopting the above technical solution, when the excavation sleeve is rotated after being inserted into the soil from inside the protection sleeve, while the excavation sleeve rotates the cutting member through the linkage assembly, the excavation sleeve drives the stabilizing block to be inserted into the soil through the coupling assembly.

[0018] The present invention is further configured such that: the coupling assembly includes an upper mating block, a lower mating block, and a mating rod. The upper mating block is provided on the excavation sleeve. The lower mating block is rotationally positioned on the protection sleeve around the axis of the protection sleeve. The excavation sleeve can drive the upper mating block to fit with the lower mating block. The mating surfaces of the upper mating block and the lower mating block are in a mutually mating undulating shape, so that the upper mating block and the lower mating block are relatively fixed when rotating around the axis of the protection sleeve. The mating rod is slidably mated with the protection sleeve. Both ends of the mating rod respectively have a first abutting inclined surface and a second abutting inclined surface. After the lower mating block rotates, it can abut against the first abutting inclined surface and drive the mating rod to move towards the stabilizing block. The mating rod drives the second abutting inclined surface to abut against the stabilizing block, and the mating rod drives the stabilizing block to be inserted into the soil. There is an elastic member between the stabilizing block and the protection sleeve to reset the stabilizing block.

[0019] By adopting the above technical solution, after the excavation sleeve is inserted into the soil, the excavation sleeve and the lower mating block are relatively fixed and rotate simultaneously. The lower mating block rotates and drives the mating rod to move downward. The mating rod moves downward and abuts against the stabilizing block, driving the stabilizing block to move horizontally and then be inserted into the soil.

[0020] The beneficial effects of the present invention are as follows: The protection sleeve plays a protective role for the plant, and at the same time can separate the soil and water outside the protection sleeve from the inside, avoiding the backflow of soil and water during the excavation of the plant, which increases the excavation difficulty. The cutting member cuts the soil below the root system of the plant, which can effectively cut the connection between the root system of the plant and the soil, facilitating the removal of the plant and reducing the excavation difficulty. At the same time, the cutting member is located below the excavated plant, playing a supporting role to prevent the plant from falling when the excavation sleeve is lifted. When the baffle opens the sampling opening, the cutting member is driven to reset through the linkage assembly. After the cutting member is reset, there is no support below the plant, which is convenient for removing the plant on the excavation sleeve and facilitating quick operation. After the excavation sleeve is inserted into the soil from the protection sleeve and then rotated, while the excavation sleeve rotates the cutting member through the linkage assembly, the excavation sleeve drives the stabilizing block to be inserted into the soil through the coupling assembly, making the protection sleeve more stable and the operation more convenient at the same time. Description of the Drawings

[0021] Figure 1 is the overall structural schematic diagram of the embodiment of the present application.

[0022] Figure 2 is Figure 1 the exploded schematic diagram of...

[0023] Figure 3 is Figure 1 the cross-sectional schematic diagram of...

[0024] Figure 4 It is a schematic structural diagram of the excavation component and the linkage component of the embodiment of the present application.

[0025] Figure 5 It is a schematic structural diagram of the baffle of the embodiment of the present application.

[0026] Figure 6 It is a schematic structural diagram of the protection component of the embodiment of the present application.

[0027] Figure 7 It is a schematic structural diagram of the mating rod of the embodiment of the present application.

[0028] In the figure: 10, protection sleeve; 101, stable groove; 102, annular groove; 11, first insertion end; 12, handle; 20, excavation sleeve; 201, accommodation groove; 202, sampling opening; 21, second insertion end; 22, excavation handle; 30, cutting piece; 40, connecting rod; 41, mating gear; 42, mating toothed ring; 43, limiting rod; 44, driving gear; 50, baffle; 51, rotating shaft; 60, stable block; 70, upper mating block; 71, lower mating block; 72, mating rod; 721, first abutting slope; 722, second abutting slope; 73, mating ring; 731, mating groove; 74, elastic member. Detailed implementation manners

[0029] In order to easily understand the technical means, creative features, achieved purposes and effects of the present invention, the present invention will be further described below with reference to the specific drawings 1-7.

[0030] The present application provides a wetland plant investigation and protection device, including a protection component and an excavation component. The protection component fences and protects the periphery of the plant, and at the same time prevents the soil and water outside from entering during the excavation of the plant, resulting in an increase in the excavation difficulty. The excavation component excavates the fenced plant, digging out the plant with roots and mud, so as to facilitate sampling and detection.

[0031] The protection component includes a protection sleeve 10. The upper and lower ends of the protection sleeve 10 are through. The lower end of the protection sleeve 10 has a first insertion end 11. The first insertion end 11 is annular and its cross-sectional area gradually decreases along the direction close to the end. The outer side wall of the first insertion end 11 is a conical surface, so that the lower end of the protection sleeve 10 can be inserted into the soil. The protection component also includes handles 12 arranged on both sides of the outer side wall of the protection sleeve 10.

[0032] The excavation assembly includes an excavation sleeve 20. The upper end of the excavation sleeve 20 is closed and the lower end is through. The lower end of the excavation sleeve 20 has a second insertion end 21. The second insertion end 21 is annular and its cross-sectional area gradually decreases along the direction close to the end. The inner side wall of the second insertion end 21 is a conical surface, so that the lower end of the excavation sleeve 20 can be inserted into the soil. The excavation sleeve 20 is inserted and fitted into the protection sleeve 10, and the outer side wall of the excavation sleeve 20 is attached to the inner side wall of the protection sleeve 10. When excavating a plant, first insert the protection sleeve 10 into the soil, then insert the excavation sleeve 20 into the protection sleeve 10 and then into the soil. The excavation sleeve 20 and the protection sleeve 10 are coaxially arranged. The excavation assembly further includes an excavation handle 22 provided at the top of the excavation sleeve 20.

[0033] A wetland plant investigation and protection device provided by the present application further includes a cutting member 30 and a linkage assembly. The cutting member 30 is provided on the inner side wall of the excavation sleeve 20 near the bottom. The cutting member 30 is rotatably connected to the excavation sleeve 20, and one end of the cutting member 30 can rotate horizontally towards the center of the excavation sleeve 20, so that the cutting member 30 cuts the soil inside the excavation sleeve 20. Specifically, a receiving groove 201 is opened on the inner side wall of the excavation sleeve 20 near the bottom. One end of the cutting member 30 is rotatably connected to the inner wall of the receiving groove 201, and the other end of the cutting member 30 moves from the receiving groove 201 to the center of the excavation sleeve when rotating. The linkage assembly is linked to the excavation sleeve 20 and the cutting member 30. After the excavation sleeve 20 is inserted into the soil from the protection sleeve 10, the excavation sleeve 20 can rotate relative to the protection sleeve 10 and drive the cutting member 30 to rotate horizontally through the linkage assembly. Put the protection sleeve 10 on the plant and insert it into the soil outside the plant, then insert the excavation sleeve 20 into the protection sleeve 10 so that the plant is located inside the excavation sleeve 20. After inserting the excavation sleeve 20 into the soil, rotate the excavation sleeve 20. The excavation sleeve 20 drives the cutting member 30 to rotate horizontally through the linkage assembly and cuts the soil inside the excavation sleeve 20, so that the plant roots are cut and separated from the soil below. Then lift the excavation sleeve 20, and the excavation sleeve 20 digs out the plant completely. Specifically, the linkage assembly includes a connecting rod 40, a mating gear 41, and a mating gear ring 42. The connecting rod 40 is rotatably connected inside the excavation sleeve 20. The connecting rod 40 is parallel to the axis of the excavation sleeve 20. The two ends of the connecting rod 40 are respectively connected to the mating gear 41 and the cutting member 30. The top of the connecting rod 40 extends out of the excavation sleeve 20 and is connected to the mating gear 41. The bottom of the connecting rod 40 enters the receiving groove 201 and is connected to the cutting member 30. The mating gear ring 42 is rotatably positioned at the top of the excavation sleeve 20. The inner side wall of the mating gear 41 has teeth and meshes with the mating gear 41. A limiting rod 43 is provided at an eccentric vertical position of the mating gear ring 42. When the excavation sleeve 20 moves towards the soil inside the protection sleeve 10, the excavation sleeve 20 can drive the limiting rod 43 to be inserted and fitted on the protection sleeve 10, so that the mating gear ring 42 and the protection sleeve 10 are relatively fixed during rotation. The mating gear 41 and the mating gear ring 42 form a planetary gear assembly. After the excavation sleeve 20 is inserted into the soil, the limiting rod 43 on the mating gear ring 42 is inserted into the protection sleeve 10, so that the mating gear ring 42 is connected to the protection sleeve 10. The mating gear ring 42 and the protection sleeve 10 are relatively fixed during rotation. When the excavation sleeve 20 is rotated, the cutting member 30 rotates relative to the excavation sleeve 20 and cuts the soil.

[0034] A sampling opening 202 communicating with the inside and outside is provided on the side wall of the excavation sleeve 20. A baffle 50 for covering the sampling opening 202 is provided on the side wall of the excavation sleeve 20. The baffle 50 is rotatably connected to the excavation sleeve 20. The baffle 50 can rotate outward to open the sampling opening 202. The baffle 50 is linked to the linkage assembly. After the excavation sleeve 20 digs out the plant and leaves the protection sleeve 10, when the baffle 50 opens the sampling opening 202, it drives the cutting member 30 to reset through the linkage assembly.

[0035] Specifically, a rotating shaft 51 parallel to the axis of the excavation sleeve 20 is provided on the baffle 50. The baffle 50 is rotatably connected to the excavation sleeve 20 through the rotating shaft 51. The linkage assembly further includes a driving gear 44. The upper end of the rotating shaft 51 extends out of the top of the excavation sleeve 20. The driving gear 44 is axially slidably positioned at the upper end of the rotating shaft 51. The driving gear 44 and the rotating shaft 51 are relatively fixed during rotation around the axis. The driving gear 44 can move downward on the rotating shaft 51 and then mesh with the mating gear ring 42. The baffle 50 rotates and drives the mating gear 41 to rotate through the cooperation of the driving gear 44 and the mating gear ring 42, so that the cutting member 30 is reset. When the excavation sleeve 20 is inside the protection sleeve 10, the driving gear 44 is separated from the mating gear ring 42, and the driving gear ring does not interfere with the rotation of the excavation sleeve 20 and the cutting member 30. After the excavation sleeve 20 digs out the plant and separates from the protection sleeve 10, the driving gear 44 is moved to mesh with the mating gear ring 42. The baffle 50 rotates and drives the mating gear 41 to rotate through the cooperation of the driving gear 44 and the mating gear ring 42, so as to further drive the cutting member 30 to rotate in the reverse direction and reset.

[0036] The protection component further includes a stabilizing block 60. A stabilizing groove 101 is formed on the outer wall of the protection sleeve 10. The stabilizing block 60 is inserted and fitted into the stabilizing groove 101. After the protection sleeve 10 and the excavation sleeve 20 are inserted into the soil, one end of the stabilizing block 60 can move outside the protection sleeve 10 and be inserted into the soil. A connecting component is arranged between the excavation sleeve 20 and the protection sleeve 10. After the excavation sleeve 20 is inserted into the soil from within the protection sleeve 10, the excavation sleeve 20 can rotate relative to the protection sleeve 10 and drive the stabilizing block 60 to be inserted into the soil through the connecting component. After the excavation sleeve 20 is inserted into the soil from within the protection sleeve 10 and the excavation sleeve 20 is rotated, while the excavation sleeve 20 rotates the cutting member 30 through the linkage component, the excavation sleeve 20 drives the stabilizing block 60 to be inserted into the soil through the connecting component.

[0037] Specifically, the connecting component includes an upper mating block 70, a lower mating block 71, and a mating rod 72. The upper mating block 70 is arranged on the excavation sleeve 20. A mating ring 73 is provided on the lower mating block 71. An annular groove 102 is formed on the outer side wall of the protection sleeve 10 in the circumferential direction. The mating ring 73 is rotationally positioned in the annular groove 102. The lower mating block 71 is rotationally positioned on the protection sleeve 10 by rotating around the axis of the protection sleeve 10 through the mating ring 73. The excavation sleeve 20 can drive the upper mating block 70 to fit with the lower mating block 71. The mating surfaces of the upper mating block 70 and the lower mating block 71 are in a mutually mating undulating shape, so that the upper mating block 70 and the lower mating block 71 are relatively fixed when rotating around the axis of the protection sleeve 10. The mating rod 72 is slidably fitted within the protection sleeve 10. Both ends of the mating rod 72 respectively have a first abutting inclined surface 721 and a second abutting inclined surface 722. The first abutting inclined surface 721 is located at the top end of the mating rod 72, and the second abutting inclined surface 722 is located at the bottom end of the mating rod 72. A mating groove 731 is formed on the mating ring 73. When the mating ring 73 rotates to the in-place position, the first abutting inclined surface 721 enters into the annular groove 102 and the mating groove 731. After the lower mating block 71 rotates, it can abut against the first abutting inclined surface 721 through the side wall of the mating groove 731 and drive the mating rod 72 to move towards the stabilizing block 60. The mating rod 72 drives the second abutting inclined surface 722 to enter into the stabilizing groove 101 and abut against the stabilizing block 60. The mating rod 72 drives the stabilizing block 60 to move horizontally and be inserted into the soil; an elastic member 74 for resetting the stabilizing block 60 is provided between the stabilizing block 60 and the protection sleeve 10. After the excavation sleeve 20 is inserted into the soil, the excavation sleeve 20 and the lower mating block 71 are relatively fixed and rotate simultaneously. The lower mating block 71 rotates and drives the mating rod 72 to move downward. The mating rod 72 moves downward and abuts against the stabilizing block 60, driving the stabilizing block 60 to be inserted into the soil.

[0038] The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and various changes and improvements will occur to the present invention without departing from the spirit and scope of the present invention, and these changes and improvements all fall within the scope of protection required by the present invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims

1. A wetland plant investigation and protection device, characterized in that: Including A protection component, including a protection sleeve (10), the upper and lower ends of the protection sleeve (10) are through, and the lower end of the protection sleeve (10) has a first insertion end (11) to insert the lower end of the protection sleeve (10) into the soil; An excavation component, including an excavation sleeve (20), the lower end of the excavation sleeve (20) is through, the lower end of the excavation sleeve (20) has a second insertion end (21) to insert the lower end of the excavation sleeve (20) into the soil, the excavation sleeve (20) is inserted and fitted in the protection sleeve (10), and the outer side wall of the excavation sleeve (20) is attached to the inner side wall of the protection sleeve (10); A cutting member (30) is provided on the inner side wall of the excavation sleeve (20) near the bottom, the cutting member (30) is rotatably connected to the excavation sleeve (20), and one end of the cutting member (30) can rotate horizontally towards the center of the excavation sleeve (20) to cut the soil in the excavation sleeve (20); A linkage component is linked to the excavation sleeve (20) and the cutting member (30). After the excavation sleeve (20) is inserted into the soil from the protection sleeve (10), the excavation sleeve (20) can rotate relative to the protection sleeve (10) and drive the cutting member (30) to rotate horizontally through the linkage component.

2. The wetland plant investigation and protection device according to claim 1, characterized in that: A sampling opening (202) communicating inside and outside is formed on the side wall of the excavation sleeve (20), a baffle (50) for covering the sampling opening (202) is provided on the side wall of the excavation sleeve (20), the baffle (50) is rotatably connected to the excavation sleeve (20), and the baffle (50) can rotate outwards to open the sampling opening (202).

3. The wetland plant investigation and protection device according to claim 2, characterized in that: The baffle (50) is linked to the linkage component. After the excavation sleeve (20) digs out a plant and leaves the protection sleeve (10), when the baffle (50) opens the sampling opening (202), it drives the cutting member (30) to reset through the linkage component.

4. The wetland plant investigation and protection device according to claim 3, characterized in that: The linkage component includes a connecting rod (40), a mating gear (41) and a mating tooth ring (42). The connecting rod (40) is rotatably connected to the excavation sleeve (20), and the two ends of the connecting rod (40) are respectively connected to the mating gear (41) and the cutting member (30). The mating tooth ring (42) is rotatably connected to the excavation sleeve (20), and the inner side wall of the mating gear (41) has teeth and meshes with the mating gear (41); a limiting rod (43) is provided at an eccentric position of the mating tooth ring (42). When the excavation sleeve (20) moves towards the soil inside the protection sleeve (10), the excavation sleeve (20) can drive the limiting rod (43) to be inserted and fitted on the protection sleeve (10) so that the mating tooth ring (42) and the protection sleeve (10) are relatively fixed during rotation.

5. The wetland plant investigation and protection device according to claim 4, characterized in that: A rotating shaft (51) is provided on the baffle (50). The baffle (50) is rotatably connected to the excavation sleeve (20) through the rotating shaft (51). The linkage assembly further includes a driving gear (44). The driving gear (44) is axially slidably positioned on the rotating shaft (51). The driving gear (44) can move on the rotating shaft (51) and then mesh with the mating tooth ring (42). The baffle (50) rotates and drives the mating gear (41) to rotate through the cooperation of the driving gear (44) and the mating tooth ring (42), so as to reset the cutting member (30).

6. The wetland plant investigation and protection device according to claim 1, characterized in that: The protection assembly further includes a stabilizing block (60). A stabilizing groove (101) is formed on the outer wall of the protection sleeve (10). The stabilizing block (60) is inserted and fitted into the stabilizing groove (101). After the protection sleeve (10) and the excavation sleeve (20) are inserted into the soil, one end of the stabilizing block (60) can move outside the protection sleeve (10) and be inserted into the soil.

7. The wetland plant investigation and protection device according to claim 6, characterized in that: A coupling assembly is provided between the excavation sleeve (20) and the protection sleeve (10). After the excavation sleeve (20) is inserted into the soil from the protection sleeve (10), the excavation sleeve (20) can rotate relative to the protection sleeve (10) and drive the stabilizing block (60) to be inserted into the soil through the coupling assembly.

8. The wetland plant investigation and protection device according to claim 7, characterized in that: The coupling assembly includes an upper mating block (70), a lower mating block (71) and a mating rod (72). The upper mating block (70) is provided on the excavation sleeve (20). The lower mating block (71) is rotationally positioned on the protection sleeve (10) around the axis of the protection sleeve (10). The excavation sleeve (20) can drive the upper mating block (70) to fit with the lower mating block (71). The mating surfaces of the upper mating block (70) and the lower mating block (71) are in a mutually mating undulating shape, so that the upper mating block (70) and the lower mating block (71) are relatively fixed when rotating around the axis of the protection sleeve (10). The mating rod (72) is slidably fitted on the protection sleeve (10). The two ends of the mating rod (72) respectively have a first abutting inclined surface (721) and a second abutting inclined surface (722). After the lower mating block (71) rotates, it can abut against the first abutting inclined surface (721) and drive the mating rod (72) to move towards the stabilizing block (60). The mating rod (72) drives the second abutting inclined surface (722) to abut against the stabilizing block (60), and the mating rod (72) drives the stabilizing block (60) to be inserted into the soil. An elastic member (74) for resetting the stabilizing block (60) is provided between the stabilizing block (60) and the protection sleeve (10).

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