Sampling device for forestry ecological protection

Abstract

The present invention relates to the technical field of sampling equipment, and discloses a sampling device for forestry ecological protection, comprising: a containing container, a leaf-picking piece for picking leaves from branches inserted into the containing container is provided on the containing container, a juice-collecting piece for obtaining juice from the removed leaves is provided on the containing container, and an activating piece for activating the leaf-picking piece on the containing container; in the present invention, automatic picking and precise positioning of leaves are achieved through the leaf-picking piece, two groups of symmetrical pressure plates are linked to the push plate through a magnetic block, when the push block moves upward, the pressure plate slides from the slot into the leaf-picking cylinder, and the semicircular straight surface can fit the branch, thereby improving the success rate of leaf scraping, and the pre-docking design of the guide block and the spiral rod enables the pressure plate to automatically move to the juice collection area after the leaves are picked, and the transfer of leaves from the leaf-picking cylinder to the filter plate can be completed without additional operation, thereby reducing sample spillage caused by manual intervention.

Description

Technical Field

[0001] The invention relates to the technical field of sampling equipment, in particular to a sampling device for forestry ecological protection. Background Art

[0002] Forestry ecological protection sampling is a key technical support for protecting biodiversity. It collects various samples from forest ecosystems through scientific methods, and is used as a technical means to monitor and evaluate ecological environmental conditions, biodiversity, forest health, and interference factors such as pollution, pests and diseases, and climate change. Leaves are the most active organs for trees to interact with the external environment. Their cell juice, that is, the extract after the leaves are crushed, contains rich physiological metabolites and environmental response signals. Specifically, through the analysis of leaf juice, pollutants such as heavy metals, organic pollutants and pathogenic microorganisms can be accurately detected, thereby providing a key basis for the dynamic monitoring and comprehensive evaluation of the forestry ecological environment.

[0003] Chinese patent publication number CN114720178B discloses a forestry tree sample collection device comprising a movable base plate with a lifter and control panel mounted on top. The device also includes a mounting box, a collection assembly for collecting leaves, an adjustment assembly for adjusting the collection assembly, a hopper, a delivery pipe, an anti-blocking assembly for preventing clogging of the delivery pipe, and a collection assembly for collecting leaves. The patent utilizes the coordination of the telescopic rod, spring, cam, and buffer plate in the anti-blocking assembly to reciprocate the delivery pipe, thereby preventing clogging during sample delivery. Furthermore, the buffering function effectively protects the delivery pipe, preventing the mixing of multiple samples, effectively improving sampling efficiency and ensuring accurate sample collection. However, after picking the leaves, the above-mentioned device needs to use tools such as tweezers and sampling bags to collect the leaves, and then manually transfer them to crushing or storage containers. During this process, the complex terrain in the field can easily cause the leaves to fall from the tools or containers, contaminating the exposed leaf samples. This non-standardized transfer process will further amplify errors in large-scale ecological surveys, resulting in a decrease in the comparability of data from different sampling points, seriously affecting the scientific nature of forestry ecological assessments. Summary of the Invention

[0004] In order to solve the problem that the existing leaf sampling device for forestry ecological protection will further amplify errors in large-scale ecological surveys, resulting in a decrease in the comparability of data from different sampling points and seriously affecting the scientific nature of forestry ecological assessments, the present invention provides a sampling device for forestry ecological protection.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a sampling device for forestry ecological protection, comprising: a container, the container being provided with a leaf-picking member for picking leaves from a branch inserted into the container, the container being provided with a juice-collecting member for collecting juice from the removed leaves, and the container being provided with an activating member for activating the leaf-picking member;

[0006] A guide groove is provided on the side end of the container, and a slot is provided through the side end of the container, and the slot is located above the guide groove;

[0007] The leaf-picking member includes a mounting frame fixedly connected to the outer side of the leaf-picking cylinder, a push plate is slidably inserted in the mounting frame, a pressure plate is magnetically adsorbed on the inner side of the push plate, the pressure plate is slidably inserted in the slot, and the outer diameter of the pressure plate is the same as the inner diameter of the leaf-picking cylinder, a spring 1 is fixedly connected to the inner side of the mounting frame, one end of the spring 1 is fixedly connected to the push plate, and a lifting member is slidably connected to the outer side of the containing container, and when the lifting member moves upward, it is inserted between the push plate and the inner side of the mounting frame and abuts against the push plate to move the push plate;

[0008] Among them, when the activation part pushes the lifting part to move along the axis of the container toward the container mouth, it pushes the push plate to move into the container. During the movement, the pressure plate on the inside of the push plate is inserted into the container through the slot until the pressure plate abuts against the branches inserted into the container. At this time, the container is driven to move by the activation part, and during the movement, the pressure plate scrapes the branches off the leaves.

[0009] Further: the containing container includes a leaf picking cylinder, a juice extraction cylinder and a liquid storage cylinder, the leaf picking cylinder, the juice extraction cylinder and the liquid storage cylinder are distributed from top to bottom and are threadedly connected, and the guide groove and the slot are both provided on the leaf picking cylinder.

[0010] Further: the lifting member includes a top ring that is slidably inserted into the guide groove, and the top ring is sleeved on the outside of the leaf picking tube, the side end of the top ring is fixedly connected to a push block, the push block is arranged between the push plate and the inner side of the mounting frame, and the push plate inclined surface abuts against the bottom end of the push plate, the bottom end of the top ring is fixedly connected to spring 2, one end of the spring 2 is fixedly connected to a linkage ring, and the linkage ring is sleeved on the outside of the leaf picking tube.

[0011] Furthermore: a side end of the pressure plate is provided with an avoidance groove, and a guide block is fixedly connected to the inner side of the avoidance groove.

[0012] Further: the activation part includes a mounting ring fixedly connected to the outside of the leaf-picking cylinder, a guide column is inserted through one end of the mounting ring, a push ring is fixedly connected to the end face of the guide column, and the push ring is sleeved on the outside of the leaf-picking cylinder and is located below the linkage ring, the side end of the mounting ring is fixedly connected to the mounting block, the side end of the mounting block is provided with a connecting frame, the side ends of the mounting block and the connecting frame are connected through bolts, the outer side of the bolt is threaded with a nut, and the nut is provided on the outside of the connecting frame, the mounting block and the connecting frame are hinged by bolts, and the bottom end of the connecting frame is fixedly connected to a telescopic rod.

[0013] Furthermore: the push ring is also provided with a mounting block, a bolt, a connecting frame, a nut and a telescopic rod.

[0014] Further: the juice extraction component includes a filter plate fixedly arranged at the bottom end of the juice extraction barrel, the bottom end of the filter plate is rotatably connected to a linkage block, the top of the linkage block passes through the filter plate and is fixedly connected to a spiral rod with a spiral groove on the outer surface, the bottom end of the spiral rod is provided with a lifting groove, the outside of the spiral rod is provided with a sleeve, and the sleeve is slidably plugged into the lifting groove, and the outside of the sleeve is fixedly connected to a crushing blade.

[0015] Furthermore: a receiving groove is provided at the bottom end of the sleeve, a spring three is fixedly connected to the top end of the receiving groove, and one end of the spring three is fixedly connected to the top end of the linkage block.

[0016] Furthermore: the juice extractor also includes a motor fixedly connected to the outer bottom end of the liquid holding cylinder, the output end of the motor passes through the liquid holding cylinder and is fixedly connected to a connecting rod, and the connecting rod is plugged into the linkage block.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention realizes precise adjustment of sampling angle and height through the activation member. Its articulated connection frame cooperates with the nut to adjust the angle of the container to adapt to branches in different orientations such as tilted and vertical. The telescopic rod supports height adjustment to ensure that the branches are accurately inserted from the container mouth. After separating the telescopic rod, the push ring moves up along the guide column to trigger the leaf picking action. The manual operating force is amplified by the transmission of the second spring and the inclined surface of the push block, reducing the labor intensity of the sampler climbing or raising the arm. The T-shaped guide column can also prevent the push ring from falling off the track.

[0019] 2. The present invention uses a leaf-picking component to achieve automatic leaf picking and precise positioning. Two sets of symmetrical pressure plates are linked to the push plate through a magnetic block. When the push block moves upward, the pressure plate slides from the slot into the leaf-picking cylinder. The semicircular straight surface can fit the branches, which improves the success rate of leaf scraping. The pre-docking design of the guide block and the spiral rod enables the pressure plate to automatically move to the juice collection area after the leaves are picked. The transfer of leaves from the leaf-picking cylinder to the filter plate can be completed without additional operation, reducing sample spillage caused by manual intervention.

[0020] 3. The present invention realizes the automation of the whole process of blade crushing and juice squeezing through the juice extraction part. The motor drives the crushing blade to rotate and crush the blade. The filter plate initially filters the juice. Then the pressure plate moves down along the spiral groove to squeeze the broken leaves. The secondary juice extraction improves the total juice extraction rate. The sliding connection between the lifting groove and the cross-shaped plug allows the sleeve to move axially during rotation and crushing. During maintenance, it is only necessary to unscrew the liquid holding cylinder and the juice extraction cylinder to clean the filter plate residue. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure for obtaining juice in the present invention;

[0023] Figure 3 This is a schematic diagram of the structure for leaf picking in the present invention;

[0024] Figure 4 This is a schematic diagram of the structure in which branches are placed in the present invention;

[0025] Figure 5 It is a structural schematic diagram of the container of the present invention;

[0026] Figure 6 Schematic diagram of the activation state of the activation member in the present invention;

[0027] Figure 7 Schematic diagram of the initial state structure of the activation member in the present invention;

[0028] Figure 8 yes Figure 6 Schematic diagram of the structure at A;

[0029] Figure 9 Schematic diagram of the leaf-picking state of the leaf-picking member in the present invention;

[0030] Figure 10 Schematic diagram of the initial state of the leaf-picking member in the present invention;

[0031] Figure 11 yes Figure 10 Schematic diagram of the structure at B;

[0032] Figure 12 It is a structural schematic diagram of the juice extractor in the present invention;

[0033] Figure 13 It is a structural schematic diagram of the lifting tank in the present invention;

[0034] Figure 14 It is a structural schematic diagram of the sleeve in the present invention;

[0035] Figure 15 It is a structural schematic diagram of the connecting rod in the present invention.

[0036] In the figure: 1. Container; 11. Leaf picking tube; 12. Juice extraction tube; 13. Liquid storage tube; 14. Slot; 15. Guide groove; 2. Activator; 21. Mounting ring; 22. Guide column; 23. Push ring; 24. Mounting block; 25. Bolt; 26. Connecting frame; 27. Nut; 28. Telescopic rod; 3. Leaf picking part; 31. Mounting frame; 32. Spring 1; 33. Push plate; 34. Press plate; 35. Avoidance groove; 36. Guide block; 37. Interlocking ring; 38. Spring 2; 39. Top ring; 310. Push block; 311. Lifting part; 4. Juice extraction part; 41. Filter plate; 42. Interlocking block; 43. Screw rod; 44. Lifting groove; 45. Sleeve; 46. Crushing blade; 47. Receiving groove; 48. Spring 3; 49. Connecting rod; 410. Motor. DETAILED DESCRIPTION

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] Reference Figures 1 to 15 In an embodiment of the present invention, a sampling device for forestry ecological protection includes: a container 1, a leaf-picking member 3 provided on the container 1 for picking leaves from a branch inserted into the container 1, a juice-collecting member 4 provided on the container 1 for collecting juice from the removed leaves, and an activating member 2 provided on the container 1 for activating the leaf-picking member 3;

[0039] The container 1 includes a leaf picking cylinder 11, a juice extraction cylinder 12 and a liquid storage cylinder 13. The leaf picking cylinder 11, the juice extraction cylinder 12 and the liquid storage cylinder 13 are distributed from top to bottom and are threadedly connected. A guide groove 15 is provided at the side end of the leaf picking cylinder 11. A slot 14 is provided through the side end of the leaf picking cylinder 11, and the slot 14 is located above the guide groove 15. There are two groups of slots 14 and guide grooves 15, which are symmetrically distributed on both sides of the leaf picking cylinder 11.

[0040] The activator 2 includes a mounting ring 21 fixedly connected to the outside of the leaf-picking cylinder 11, and a guide column 22 is inserted through one end of the mounting ring 21. The guide column 22 is T-shaped, and there are five groups of guide columns 22, which are evenly distributed at one end of the mounting ring 21. The end face of the guide column 22 is fixedly connected to a push ring 23, and the push ring 23 is sleeved on the outside of the leaf-picking cylinder 11 and is located below the linkage ring 37. The side end of the mounting ring 21 is fixedly connected to a mounting block 24, and a connecting frame 26 is provided at the side end of the mounting block 24. The connecting frame 26 is U-shaped, and a bolt 25 is inserted through the side end of the mounting block 24 and the connecting frame 26. The outer side of the bolt 25 is threadedly connected to a nut 27, and the nut 27 is provided at the connecting frame On the outside of 26, the mounting block 24 and the connecting frame 26 are hinged by bolts 25, and the bottom end of the connecting frame 26 is fixedly connected to the telescopic rod 28. The push ring 23 is also provided with a mounting block 24, bolts 25, connecting frame 26, nuts 27 and telescopic rod 28. When the connecting frame 26 is rotated and the nut 27 is tightened, the container 1 and the telescopic rod 28 are adjusted to an angle where branches can be inserted, thereby realizing flexible spatial positioning. The height of the device is adjusted by using the telescopic rod 28 so that the branches are inserted from the container mouth at the top of the leaf picking tube 11, and then the mounting ring 21 and the telescopic rod 28 on the linkage ring 37 are separated, and the push ring 23 slides upward along the guide column 22 to activate the leaf picking part 3 and perform the leaf picking operation.

[0041] The above scheme is adopted: through the locking of the hinged connecting frame 26 and the nut 27, the device can flexibly adjust the angle to adapt to branches with different growth directions, improve the sampling efficiency, and the separation action of the telescopic rod 28 is converted into the linear motion of the push ring 23. The combination of the inclined surface and the spring is used to amplify the smaller operating force into the clamping force of the pressure plate 34, reducing the intensity of manual operation. The combined structure of the mounting ring 21, the guide column 22 and the push ring 23 allows the activation part 2 to be quickly assembled on the outside of the container 1, which is convenient for equipment maintenance and component replacement. The T-shaped guide column 22 limits the movement trajectory of the push ring 23 to prevent it from detaching from the device. The separation action of the telescopic rod 28 requires active operation to reduce the risk of false triggering and ensure safe use.

[0042] The leaf picking member 3 includes a mounting frame 31 fixedly connected to the outside of the leaf picking cylinder 11. The mounting frame 31 is U-shaped, and two groups of mounting frames 31 are symmetrically distributed on the outside of the leaf picking cylinder 11. A group of push plates 33 are slidably inserted in each group of mounting frames 31. Slide blocks are fixedly connected on both sides of the push plates 33 and are adapted to the slide grooves on both sides of the interior of the mounting frame 31. The push plates 33 are concave, and the grooves of the push plates 33 are semicircular. A magnetic block is embedded in the inner side of the groove of the concave push plates 33. A group of pressure plates 34 are slidably inserted in each group of slots 14. The pressure plates 34 are semicircular, and the outer diameter of the pressure plates 34 is the same as the inner diameter of the leaf picking cylinder 11. When the two groups of pressure plates 34 completely enter the leaf picking cylinder 11, there is friction between the outer side of the pressure plates 34 and the inner wall of the leaf picking cylinder 11, and the arc of the semicircular pressure plates 34 The surface is also embedded with a magnetic block, and the corresponding surface of the magnetic block on the pressure plate 34 and the magnetic block on the push plate 33 are of different poles. An avoidance groove 35 is opened on the straight surface of the side end of each group of semicircular pressure plates 34, and a guide block 36 is fixedly connected to the inside of the avoidance groove 35. The guide block 36 is spiral. A spring 1 32 is fixedly connected to the inside of the mounting frame 31. One end of the spring 1 32 is fixedly connected to the push plate 33. Four groups of springs 1 32 are symmetrically distributed on the inside of the two groups of mounting frames 31. A lifting member 311 is slidably connected to the outside of the container 1. When the lifting member 311 moves up, it is inserted between the push plate 33 and the inside of the mounting frame 31, and abuts against the push plate 33 to move the push plate 33. The lifting member 311 includes a top ring 39 that is slidably plugged into the guide groove 15. The top ring 39 consists of a group of circular rings and symmetrically distributed The two groups of plugs on the inner side of the ring are composed of two groups of plugs, the plugs are slidably plugged into the guide groove 15, and the ring is sleeved on the outside of the leaf picking tube 11. The side end of the top ring 39 is fixedly connected with a push block 310. The cross section of the push block 310 is a right-angled trapezoid, and the inclined surface is facing upward. There are two groups of push blocks 310, which are symmetrically distributed on both sides of the ring in the top ring 39. The push blocks 310 are arranged between the push plate 33 and the inner side of the mounting frame 31, and the inclined surface of the push plate 33 abuts against the bottom end of the push plate 33. The bottom end of the top ring 39 is fixedly connected with a spring 2 38, and one end of the spring 2 38 is fixedly connected with a linkage ring 37. The linkage ring 37 is sleeved on the outside of the leaf picking tube 11. Four groups of springs 2 38 are provided, which are symmetrically distributed at the bottom end of the top ring 39. The elastic force of the spring 2 38 is greater than the elastic force of the spring 1 32, and the elastic force of the spring 2 38 is less than that of the guide column 2 2 and the plug-in friction of the mounting ring 21. When the push ring 23 of the activating member 2 moves upward, the linkage ring 37 is pushed to drive the spring 2 38, the top ring 39 and the push block 310 to move upward synchronously. The inclined surface of the push block 310 squeezes the push plate 33 to slide along the slide groove of the mounting frame 31 toward the inside of the leaf picking cylinder 11, causing the spring 1 32 to stretch. The magnetic block in the groove of the push plate 33 attracts each other due to the opposite poles, driving the pressure plate 34 to slide from the slot 14 into the leaf picking cylinder 11. The straight surfaces of the two sets of semicircular pressure plates 34 abut against the branches. At this time, the linkage ring 37 continues to move upward to compress the spring 2 38. When the device pulls out the branches, the pressure plate 34 abuts against the surface of the branches, scraping the leaves to the juice extraction cylinder 12. Then the spring 2 38 stretches to push the top ring 39 upward, and the push block 310 drives the pressure plate 34 to move toward the spiral rod 43.Until the guide block 36 is embedded in the spiral groove of the spiral rod 43, when the guide block 36 is embedded in the spiral groove of the spiral rod 43, due to the magnetic attraction between the push plate 33 and the pressure plate 34, the pressure plate 34 will not rotate with the spiral rod 43. Instead, under the guidance of the spiral groove of the spiral rod 43 and the guide block 36, the pressure plate 34 overcomes the magnetic attraction and moves downward. When the pressure plate 34 contacts the inner wall of the leaf picking cylinder 11, the friction between them will not cause the pressure plate 34 to rotate with the spiral rod 43, but will continue to move downward.

[0043] The above scheme is adopted: through the inclined transmission of spring 2 38 and push block 310, the linear motion of push ring 23 is converted into radial clamping force of pressure plate 34, and leaf picking can be completed without manual contact with the leaves, reducing sampling pollution. Push plate 33 and pressure plate 34 are connected by opposite-pole magnetic blocks, which can not only ensure transmission stability, but also overcome magnetic separation under the drive of screw rod 43, realize independent downward movement and extrusion of pressure plate 34, and avoid mechanical jamming. Two groups of symmetrically distributed pressure plates 34 can fit branches of different diameters. The guide groove 15 and the insert block of top ring 39 cooperate to limit the movement trajectory, ensuring accurate scraping action, suitable for a variety of tree species.

[0044] The juice extractor 4 includes a filter plate 41 fixedly arranged at the bottom end of the juice extractor tube 12. The filter plate 41 is evenly penetrated with multiple groups of filter holes to allow the leaf juice to flow into the liquid holding tube 13. The bottom end of the filter plate 41 is rotatably connected to a linkage block 42. The top end of the linkage block 42 passes through the filter plate 41 and is fixedly connected to a screw rod 43 with a spiral groove on the outer surface. The spiral groove on the outer surface of the screw rod 43 is adapted to the guide block 36. The bottom end of the linkage block 42 is provided with a rice-shaped groove, and the bottom end of the screw rod 43 is provided with a lifting groove. Slot 44, the lifting slot 44 is cross-shaped, the outer side of the spiral rod 43 is provided with a sleeve 45, the inner side of the sleeve 45 is fixedly connected with a cross-shaped plug, the cross-shaped plug is slidably plugged into the lifting slot 44, the outer side of the sleeve 45 is fixedly connected with a crushing blade 46, the crushing blade 46 is provided with six groups, evenly distributed on the outer side of the sleeve 45, the bottom end of the sleeve 45 is provided with a receiving groove 47, the receiving groove 47 is cylindrical, the top end of the receiving groove 47 is fixedly connected with a spring 3 48, one end of the spring 3 48 is connected to the top of the linkage block 42 The end is fixedly connected, and the juice extractor 4 also includes a motor 410 fixedly connected to the outer bottom end of the liquid cylinder 13. The output end of the motor 410 passes through the liquid cylinder 13 and is fixedly connected to a connecting rod 49. The top of the connecting rod 49 is fixedly provided with a M-shaped protrusion, and the M-shaped protrusion at the top of the connecting rod 49 is adapted to the M-shaped groove at the bottom end of the linkage block 42. After the motor 410 is started, the connecting rod 49 at the output end drives the linkage block 42 to rotate through the M-shaped protrusion, and the spiral rod 43 at the top of the linkage block 42 rotates synchronously. The screw rod 43 cooperates with the cross-shaped plug through the lifting groove 44 to drive the sleeve 45 and the outer crushing blades 46 to rotate at high speed, breaking the leaves scraped onto the filter plate 41, and the juice flows into the liquid holding cylinder 13 through the holes in the filter plate 41. When the guide block 36 on the pressure plate 34 of the leaf picking member 3 is embedded in the spiral groove of the screw rod 43, the pressure plate 34 moves downward along the spiral groove, pushing the sleeve 45 to slide down along the lifting groove 44. The spring three 48 is compressed and contracted, and the pressure plate 34 squeezes the broken leaves on the filter plate 41 to further squeeze out the juice.

[0045] The above scheme is adopted: the leaves are first broken by the crushing blades 46 to increase the juice release rate, and the pressure plate 34 squeezes the broken leaves. Compared with single crushing, the amount of juice collected can be increased to ensure the adequacy of the test sample. The sliding connection between the M-shaped protrusion and the groove, and the cross-shaped plug and the lifting groove 44 enables the sleeve 45 to rotate with the screw rod 43 and move axially, which is compatible with the dual action requirements of crushing and squeezing. The motor 410 controls the timing of crushing and squeezing by forward and reverse rotation. The whole process from leaf crushing to juice extraction can be completed without human intervention, reducing the complexity of the sampling operation. The threaded connection between the liquid holding cylinder 13 and the juice extraction cylinder 12 is convenient for disassembly and cleaning.

[0046] The working principle is: when in use, first rotate the connecting frame 26 and tighten the nut 27 to adjust the holding container 1 and the telescopic rod 28 to a suitable angle, then use the telescopic rod 28 to adjust the height of the holding container 1 so that the tree branches can be smoothly inserted from the container opening at the top of the leaf picking tube 11, then separate the telescopic rod 28 on the mounting ring 21 and the interlocking ring 37, drive the lifting member 311 to move until the lifting member 311 moves to the limit position, during this process, the push ring 23 moves upward under the guidance of the guide column 22, pushing the interlocking ring 37 to move along the axis of the leaf picking tube 11 toward the container opening, and at the same time drives the spring 2 38, the top ring 39 and the push block 310 to move upward synchronously, and during this process, the inclined surface of the push block 310 pushes the push plate 33 to slide toward the inside of the leaf picking tube 11, so that the spring The spring 1 32 is stretched under the force, and the push plate 33 drives the pressure plate 34 from the slot 14 into the leaf picking cylinder 11 through the suction force of the magnetic block until the straight surface of the two sets of semicircular pressure plates 34 abuts against the branches. After the pressure plate 34 abuts against the branches, the linkage ring 37 continues to move upward, and the spring 2 38 is compressed and contracted. At this time, the container 1 is moved to make the branches be drawn out. During the extraction process, the pressure plate 34 scrapes the leaves on the branches into the juice extraction cylinder 12. While the leaf scraping operation is in progress, the motor 410 is started, and its output end drives the linkage block 42 to rotate through the connecting rod 49. The linkage block 42 drives the screw rod 43 to rotate. The screw rod 43 cooperates with the cross-shaped plug through the lifting slot 44 to drive the sleeve 45 and the crushing blade 46 to rotate synchronously, breaking the leaves scraped onto the filter plate 41, and the juice passes through the filter plate 4 1 flows into the liquid storage cylinder 13. When the branch completely leaves the leaf picking cylinder 11, a moving space is generated between the two sets of pressure plates 34. The compressed spring 2 38 stretches, pushing the top ring 39 to move upward until its top abuts against the bottom end of the mounting frame 31, so that the lifting member 311 moves to the limit position. At this time, the separation of the two sets of telescopic rods 28 is stopped. When the top ring 39 moves, it drives the push block 310 to move the pressure plate 34 toward the screw rod 43 until the guide block 36 on the pressure plate 34 contacts the outer surface of the screw rod 43. As the screw rod 43 continues to rotate, when the guide block 36 matches the spiral groove on the surface of the screw rod 43, the guide block 36 is inserted into the spiral groove. Under the guidance of the screw rod 43, the pressure plate 34 overcomes the magnetic attraction with the push plate 33 and moves downward, pushing the sleeve 45 along The lifting slot 44 slides down, and during the sliding process, the spring three 48 is compressed and contracted, and the pressure plate 34 squeezes the broken leaves on the filter plate 41 to further squeeze out the juice. After the squeezing is completed, the motor 410 reverses and drives the screw rod 43 to rotate in the opposite direction, and the pressure plate 34 moves up along the spiral groove. The spring three 48 returns to its original state and pushes the sleeve 45 to reset. When the pressure plate 34 returns to the slot 14, it is reconnected with the push plate 33 through the magnetic block, and the motor 410 stops running. Finally, the telescopic rod 28 on the push ring 23 is pulled, and the push ring 23 moves toward the mounting ring 21. The interlocking ring 37 loses its thrust, and the spring two 38 resets and pushes the interlocking ring 37 downward. Afterwards, the top ring 39 moves downward under the action of gravity, driving the push block 310 to move downward synchronously. Under the guidance of the inclined surface of the push block 310 and the reset tension of the spring one 32,The push plate 33 is reset and the pressure plate 34 is pulled out from the slot 14. At this time, the liquid container 13 is rotated to separate the threaded connection with the juice extraction cylinder 12, and the juice can be taken out. The juice extraction cylinder 12 is then rotated to separate the threaded connection with the leaf picking cylinder 11, and the leaf residue can be cleaned. By activating the part 2, the sampling angle and height can be accurately adjusted. Its hinged connection frame 26 cooperates with the nut 27 to adjust the angle of the container 1 to adapt to branches in different orientations such as tilted and vertical. The telescopic rod 28 supports height adjustment to ensure that the branches are accurately inserted from the container mouth. After separating the telescopic rod 28, the push ring 23 moves up along the guide post 22 to trigger the leaf picking action. The spring 2 38 and the inclined surface of the push block 310 are used to amplify the manual operating force, reducing the labor intensity of the sampler climbing or raising his arm. The T-shaped guide post 22 can also prevent the push ring 23 from getting off the track. The leaf picking part 3 is used to realize automatic leaf picking and precise positioning. The symmetrical pressing plate 34 is linked to the pushing plate 33 through the magnetic block. When the pushing block 310 moves up, the pressing plate 34 slides from the slot 14 into the leaf picking cylinder 11. The semicircular straight surface can fit the branches, which improves the success rate of leaf scraping. The pre-docking design of the guide block 36 and the spiral rod 43 enables the pressing plate 34 to automatically move to the juice extraction area after the leaves are picked. The transfer of leaves from the leaf picking cylinder 11 to the filter plate 41 can be completed without additional operation, reducing the sample spillage caused by manual intervention. Through the juice extraction part 4, the full process of leaf crushing and juice squeezing is automated. The motor 410 drives the crushing blade 46 to rotate and crush the leaves. The filter plate 41 initially filters the juice. Then the pressing plate 34 moves down along the spiral groove to squeeze the crushed leaves. The secondary juice extraction improves the total juice extraction rate. The lifting groove 44 is slidably connected to the cross-shaped plug block, so that the sleeve 45 can move axially during rotation and crushing. During maintenance, it is only necessary to unscrew the liquid holding cylinder 13 and the juice extraction cylinder 12 to clean the residue on the filter plate 41.

[0047] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. Sampling devices for forestry ecological protection, including: A container (1), characterized in that the container (1) is provided with a leaf-picking member (3) for picking leaves from a branch inserted into the container (1), the container (1) is provided with a juice-collecting member (4) for collecting juice from the removed leaves, and the container (1) is provided with an activating member (2) for activating the leaf-picking member (3); A guide groove (15) is provided at the side end of the container (1), and a slot (14) is provided through the side end of the container (1), and the slot (14) is located above the guide groove (15); The leaf-picking member (3) includes a mounting frame (31) fixedly connected to the outside of the leaf-picking cylinder (11), and two groups of mounting frames (31) are provided, which are symmetrically distributed on the outside of the leaf-picking cylinder (11). A push plate (33) is slidably inserted in the mounting frame (31), and a pressure plate (34) is magnetically adsorbed on the inside of the push plate (33). The pressure plate (34) is slidably inserted into the slot (14). The pressure plate (34) is semicircular, and the outer diameter of the pressure plate (34) is the same as the inner diameter of the leaf-picking cylinder (11). The side end of each group of semicircular pressure plates (34) is straight. An avoidance groove (35) is provided on the surface, and a guide block (36) is fixedly connected to the inner side of the avoidance groove (35), and the guide block (36) is spiral-shaped. A spring (32) is fixedly connected to the inner side of the installation frame (31), and one end of the spring (32) is fixedly connected to the push plate (33). A lifting member (311) is slidably connected to the outer side of the container (1). When the lifting member (311) moves upward, it is inserted between the push plate (33) and the inner side of the installation frame (31), and abuts against the push plate (33), so that the push plate (33) moves; When the activating member (2) pushes the lifting member (311) to move along the axis of the container (1) toward the container mouth, the pushing plate (33) is pushed to move toward the interior of the container (1). During the movement, the pressing plate (34) on the inner side of the pushing plate (33) is inserted into the container (1) through the slot (14) until the pressing plate (34) contacts the branches inserted into the container (1). At this time, the container (1) is driven to move by the activating member (2). During the movement, the pressing plate (34) scrapes the leaves off the branches. The container (1) comprises a leaf picking cylinder (11), a juice extraction cylinder (12) and a liquid storage cylinder (13); the leaf picking cylinder (11), the juice extraction cylinder (12) and the liquid storage cylinder (13) are arranged from top to bottom and are threadedly connected; the guide groove (15) and the slot (14) are both provided on the leaf picking cylinder (11); The lifting member (311) includes a top ring (39) that is slidably connected to the guide groove (15), and the top ring (39) is sleeved on the outside of the leaf picking tube (11). The side end of the top ring (39) is fixedly connected to a push block (310). The push block (310) is arranged between the push plate (33) and the inner side of the installation frame (31), and the inclined surface of the push block (310) abuts against the bottom end of the push plate (33). The bottom end of the top ring (39) is fixedly connected to a spring 2 (38). One end of the spring 2 (38) is fixedly connected to a link ring (37). The link ring (37) is sleeved on the outside of the leaf picking tube (11). The activation member (2) includes a mounting ring (21) fixedly connected to the outside of the leaf picking tube (11), one end of the mounting ring (21) is inserted through a guide column (22), the end surface of the guide column (22) is fixedly connected to a push ring (23), and the push ring (23) is sleeved on the outside of the leaf picking tube (11) and located below the linkage ring (37), the side end of the mounting ring (21) is fixedly connected to a mounting block (24), the side end of the mounting block (24) is provided with a connecting frame (26), the side ends of the mounting block (24) and the connecting frame (26) are connected through a bolt (25), the outer side of the bolt (25) is threadedly connected to a nut (27), and the nut (27) is provided on the outside of the connecting frame (26), the mounting block (24) and the connecting frame (26) are hinged by the bolt (25), and the bottom end of the connecting frame (26) is fixedly connected to a telescopic rod (28); The juice extracting member (4) comprises a filter plate (41) fixedly arranged at the bottom end of the juice extracting cylinder (12); the bottom end of the filter plate (41) is rotatably connected to a linkage block (42); the top end of the linkage block (42) passes through the filter plate (41) and is fixedly connected to a spiral rod (43) having a spiral groove on its outer circumference; the spiral groove on the outer circumference of the spiral rod (43) is adapted to the guide block (36); the bottom end of the spiral rod (43) is provided with a lifting groove (44); the outer side of the spiral rod (43) is provided with a sleeve (45), and the sleeve (45) is slidably plugged into the lifting groove (44); the outer side of the sleeve (45) is fixedly connected to a crushing blade (46).

2. The sampling device for forestry ecological protection according to claim 1, characterized in that: The push ring (23) is also provided with a mounting block (24), a bolt (25), a connecting frame (26), a nut (27) and a telescopic rod (28).

3. The sampling device for forestry ecological protection according to claim 2, characterized in that: The bottom end of the sleeve (45) is provided with a receiving groove (47), the top end of the inside of the receiving groove (47) is fixedly connected to a spring three (48), and one end of the spring three (48) is fixedly connected to the top end of the linkage block (42).

4. The sampling device for forestry ecological protection according to claim 3, characterized in that: The juice extractor (4) further comprises a motor (410) fixedly connected to the outer bottom end of the liquid cylinder (13); the output end of the motor (410) passes through the liquid cylinder (13) and is fixedly connected to a connecting rod (49); the connecting rod (49) is plugged into the linkage block (42).

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