Plant sampling device for teaching research of agriculture and forestry

Abstract

The utility model belongs to the technical field of agriculture and forestry research related equipment, and particularly relates to a plant sampling device for agriculture and forestry teaching research, which comprises a baffle plate, and the middle of the left side surface of the baffle plate is fixedly connected with the right side surface of a mounting plate. When the plant leaf sampling device is used for sampling a plant leaf, the leaf can be placed in the placing groove, and then the tubular cutters are in contact with the leaf to punch the leaf by utilizing the descending of the fixing plate in the sampling mechanism, so that the plurality of tubular cutters are used for simultaneously punching and sampling different positions of the leaf, and the sampling efficiency is effectively improved; when the device is used, a proper number of tubular cutters can be connected with threaded grooves in proper positions according to actual requirements, so that the sampling position and the sampling number of the sampling mechanism on the blade are adjusted, and the applicability of the device is further improved; and after the tubular cutter is passivated, the tubular cutter is disassembled, assembled and replaced, so that the service life of the whole device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related equipment technical field of forestry research, specifically relates to a plant sampling device for forestry teaching research. BACKGROUND

[0002] Forestry refers to the protection of ecological environment and the maintenance of ecological balance, the cultivation and protection of forest to obtain wood and other forestry products, and the use of the natural characteristics of trees to play a protective role. It is an important part of the national economy. Forestry is one of the important components of the national economy. Forestry in the biosphere, through advanced science and technology and management means, engages in cultivating, protecting and utilizing forest resources, fully utilizes the multiple benefits of forests, and continuously manages forest resources, promotes the coordinated development of population, economy, society, environment and resources, and is a basic industry and social public welfare industry. In the work of forestry teaching and research, it is often necessary to use the corresponding sampling device to sample the leaves of the plants studied.

[0003] When sampling leaves, multiple holes are usually punched in the leaves to remove multiple samples of the same size. However, the leaf punching sampling device in the prior art is mostly single sampling, which requires the user to repeat the operation multiple times to complete multiple sampling. Moreover, the prior art mostly uses a circular tubular cutter to punch holes in the leaves, which causes the circular samples cut during sampling to be difficult to remove from the tubular cutter, requiring the user to sample again. Moreover, the samples continuously remaining in the tubular cutter will contaminate the tubular cutter and affect subsequent sampling. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a plant sampling device for forestry teaching research, which can simultaneously sample multiple positions of leaves and assist the user in removing the samples from the tubular cutter, and the operation mode is simple, facilitating teachers to operate and demonstrate to enable students to quickly and skillfully operate.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A plant sampling device for forestry teaching research, comprising a baffle, the left side surface of the baffle is fixedly connected with the right side surface of a mounting plate, a placing groove is formed in the mounting plate and communicates with the front, rear and left side surfaces of the mounting plate, an installation cavity is formed in the upper surface of the placing groove, and a sampling mechanism is arranged in the installation cavity.

[0007] A clamping groove is formed in the bottom end of the placing groove and corresponds to the installation cavity, a storage disc is sleeved in the clamping groove, a plurality of storage grooves are formed in the upper surface of the storage disc, and the mounting plate is sleeved in a sealing cover.

[0008] The sampling mechanism comprises a fixed plate, the bottom surface of the fixed plate is provided with a plurality of threaded grooves, the upper ends of a plurality of tubular cutters are threadedly connected with the threaded grooves respectively, and a plurality of storage grooves correspond to the threaded grooves in pairs.

[0009] A push plate is sleeved in each tubular cutter, the bottom ends of the push plates are fixedly connected with a plurality of sleeve rods respectively, the sleeve rods are sleeved in a plurality of sleeve holes respectively, and the sleeve holes are provided in the upper ends of the threaded grooves and communicate with the upper surface of the fixed plate.

[0010] The upper ends of the sleeve rods are fixedly connected with the bottom surface of a connecting frame, a screw hole is formed in the middle part of the connecting frame and is threadedly connected with a screw rod, and the bottom end of the screw rod is rotatably connected with the upper surface of the fixed plate through a bearing.

[0011] The upper end of the screw rod is rotatably connected with the upper end of a fixed frame and the bottom surface of a hollow plate through a bearing, and the bottom surface of the hollow plate is fixedly connected with the upper surface of the fixed frame.

[0012] A bevel gear one is fixedly arranged at the top end of the screw rod, the bevel gear one is meshedly connected with a bevel gear two, the bevel gear two is fixedly arranged at the rear end of a rotating shaft, and the rotating shaft is rotatably connected with the front side of the hollow plate through a bearing.

[0013] The front side of the hollow plate is sleeved in a through groove and a connecting groove simultaneously, the through groove is formed on the front side of a mounting plate, and the connecting groove is formed on the front side of a sealing cover and communicates with the right side of the sealing cover at the right end of the connecting groove.

[0014] The bottom end of the fixed frame is fixedly connected with the upper surface of the fixed plate, and the upper surface of the fixed plate is also fixedly connected with the bottom ends of two telescopic rods and two springs simultaneously.

[0015] The upper ends of the two telescopic rods and the two springs are fixedly connected with the top end of a mounting cavity, and the two springs are sleeved on the outer sides of the two telescopic rods.

[0016] The opposite surfaces of the baffle and the sealing cover are provided with mounting grooves, magnetic attraction plates are fixedly arranged in the two mounting grooves and are connected in an attractive manner at the opposite ends of the two magnetic attraction plates, and the cross section of the clamping groove is inverted T-shaped.

[0017] The utility model discloses the following technical effects are obtained:

[0018] The utility model discloses a sampling device for plant leaf, which comprises a base, a sampling mechanism and a hollow plate, wherein the base is provided with a placing groove, the sampling mechanism is arranged on the placing groove, and the hollow plate is arranged on the sampling mechanism.

[0019] The utility model discloses a sampling device for plant leaf, which comprises a base, a sampling mechanism and a hollow plate, wherein the base is provided with a placing groove, the sampling mechanism is arranged on the placing groove, and the hollow plate is arranged on the sampling mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view structure schematic diagram of the utility model;

[0021] Figure 2 It is the front view structure schematic diagram of the utility model;

[0022] Figure 3 It is the structure schematic diagram of installing plate in the utility model;

[0023] Figure 4 It is the front view structure schematic diagram of the utility model;

[0024] Figure 5 It is the right view section structure schematic diagram of the sampling mechanism in the utility model.

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] 1, baffle; 2, sealing cover; 3, connecting groove; 4, sampling mechanism; 41, fixed plate; 42, tubular cutter; 43, sleeve hole; 44, sleeve rod; 45, connecting frame; 46, spring; 47, telescopic rod; 48, fixing frame; 49, hollow plate; 410, threaded groove; 411, push plate; 412, screw; 413, bevel gear one; 414, bevel gear two; 415, rotating shaft; 5, mounting groove; 6, magnetic plate; 7, mounting plate; 8, placing groove; 9, clamping groove; 10, storage disc; 11, mounting cavity; 12, through groove. DETAILED DESCRIPTION

[0027] In order to make the purpose and advantages of the utility model more clear and obvious, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope of the utility model specifically requested.

[0028] As shown in Figures 1-5 Fig. 1 is a plant sampling device for agricultural and forestry teaching research, comprising a baffle 1, the left side surface middle part of the baffle 1 is fixedly connected with the right side surface of a mounting plate 7, a placing groove 8 is formed in the mounting plate 7 and communicates through the front, rear and left side surfaces of the mounting plate 7, a mounting cavity 11 is formed in the upper surface of the placing groove 8, and a sampling mechanism 4 is arranged in the mounting cavity 11.

[0029] A clamping groove 9 is formed in the bottom end of the placing groove 8 and corresponds to the mounting cavity 11, a storage disc 10 is sleeved in the clamping groove 9, a plurality of storage grooves are formed in the upper surface of the storage disc 10, the mounting plate 7 is sleeved in a sealing cover 2, the clamping groove 9 is formed in the bottom of the placing groove 8, and the storage disc 10 is inserted into the clamping groove 9, so that the storage disc 10 is limited and fixed by the clamping groove 9, the stability of the storage disc 10 is improved, and the user can use the storage disc 10 to transfer and store multiple samples at the same time.

[0030] The sampling mechanism 4 comprises a fixed plate 41, a plurality of threaded grooves 410 are formed in the bottom surface of the fixed plate 41, the plurality of threaded grooves 410 are respectively threadedly connected with the upper ends of a plurality of tubular cutters 42, and the plurality of tubular cutters 42 correspond to the plurality of storage grooves in an up-down manner.

[0031] A push plate 411 is sleeved in each tubular cutter 42, the plurality of push plates 411 are respectively fixedly connected with the bottom ends of a plurality of sleeve rods 44, the plurality of sleeve rods 44 are respectively sleeved in a plurality of sleeve holes 43, and the plurality of sleeve holes 43 are respectively formed in the upper ends of the plurality of threaded grooves 410 and communicate through the upper surface of the fixed plate 41.

[0032] The upper end of each of the plurality of sleeve rods 44 is fixedly connected with the bottom surface of the connecting frame 45, a screw hole is formed in the middle part of the connecting frame 45 and is threadedly connected with a screw rod 412, the bottom end of the screw rod 412 is rotatably connected with the upper surface of the fixed plate 41 through a bearing, when the tubular cutter 42 sinks into the storage groove on the storage disc 10, the circular sample is taken off on the blade, at this time, the user can keep the hollow plate 49 position unchanged, and rotates the rotating shaft 415 clockwise to drive the screw rod 412 to rotate in the forward direction by means of the bevel gear one 413 and the bevel gear two 414, when the screw rod 412 rotates in the forward direction, the connecting frame 45, the sleeve rod 44 and the push plate 411 are driven to descend through the screw hole, at this time, the circular blade left in the tubular cutter 42 is pushed into the placing groove by the descending push plate 411.

[0033] The upper end of the screw rod 412 is rotatably connected with the upper end of the fixed frame 48 and the bottom surface of the hollow plate 49 through a bearing, and the bottom surface of the hollow plate 49 is fixedly connected with the upper surface of the fixed frame 48.

[0034] The top end of the screw rod 412 is fixedly provided with the bevel gear one 413, the bevel gear one 413 is meshingly connected with the bevel gear two 414, the bevel gear two 414 is fixedly arranged at the rear end of the rotating shaft 415, and the rotating shaft 415 is rotatably connected with the front side of the hollow plate 49 through a bearing.

[0035] The front side of the hollow plate 49 is simultaneously sleeved in the through groove 12 and the connecting groove 3, the through groove 12 is formed on the front side of the mounting plate 7, and the connecting groove 3 is formed on the front side of the sealing cover 2 and is in through communication with the right side surface of the sealing cover 2 at the right end of the connecting groove 3.

[0036] The bottom end of the fixed frame 48 is fixedly connected with the upper surface of the fixed plate 41, and the upper surface of the fixed plate 41 is also fixedly connected with the bottom ends of the two telescopic rods 47 and the two springs 46, the fixed plate 41 is connected with the mounting cavity 11 by arranging the telescopic rods 47 and the springs 46, when the user presses the hollow plate 49 downward to make the fixed plate 41 descend, the fixed plate 41 stretches the telescopic rods 47 and the springs 46 at this time, so that the springs 46 generate elastic force, so that when the user releases the hollow plate 49 after sampling is completed, the fixed plate 41 can be quickly moved upward to restore to the original position by the pulling force of the springs 46, thereby facilitating the user to take out the storage disc 10 and the blade.

[0037] The upper ends of the two telescopic rods 47 and the two springs 46 are fixedly connected with the top end of the mounting cavity 11, and the two springs 46 are sleeved on the outer sides of the two telescopic rods 47.

[0038] The opposite surfaces of the baffle 1 and the sealing cover 2 are provided with mounting grooves 5, and the opposite ends of the two magnetic plates 6 are connected by adsorption; the cross section of the clamping groove 9 is inverted T-shaped; the magnetic plates 6 are arranged on the opposite surfaces of the baffle 1 and the sealing cover 2, so that the sealing cover 2 is fixed outside the mounting plate 7 by adsorption of the two magnetic plates 6, and then the tubular cutter 42 is closed and protected by the sealing cover 2, so as to avoid injury caused by accidental contact with the tubular cutter 42 when the user carries the device, and also avoid damage to the tubular cutter 42 caused by collision with foreign matters in the external environment when the device is stored.

[0039] The working principle of the utility model is as follows: when the device is used to sample plant leaves, the user can pull the sealing cover 2 to the left to make the sealing cover 2 separate from the mounting plate 7, and then place the clean storage disc 10 in the clamping groove 9; at this time, the user can connect a proper number of tubular cutters 42 with the threaded grooves 410 according to sampling requirements, and connect the tubular cutters 42 with the threaded grooves 410 at proper positions; then the user can place the leaves to be sampled at the bottom of the placing groove 8; at this time, the user can press the hollow plate 49 downward to make the hollow plate 49 drive the fixing frame 48, the fixing plate 41, the screw rod 412 and the connecting frame 45 to descend as a whole; when the bottom end of the tubular cutter 42 contacts the leaves, the leaves are cut by the continuous descent of the tubular cutter 42; when the bottom end of the tubular cutter 42 descends into the storage groove, the cutting and sampling of the leaves are completed.

[0040] At this time, the user can keep the position of the hollow plate 49 unchanged, and rotate the rotating shaft 415 clockwise to drive the screw rod 412 to rotate in the positive direction by the bevel gear one 413 and the bevel gear two 414; when the screw rod 412 rotates in the positive direction, the connecting frame 45, the sleeve rod 44 and the push plate 411 are driven to descend by the screw hole; at this time, the round leaves remaining in the tubular cutter 42 are pushed into the placing groove by the descent of the push plate 411; then the user can release the hollow plate 49 to pull the fixing plate 41 and the tubular cutter 42 upward by the pulling force of the spring 46; at this time, the user can rotate the rotating shaft 415 counterclockwise to make the push plate 411 move to the upper end inside the tubular cutter 42, and take out the leaves from the placing groove 8; the user can also pull the storage disc 10 to the left to take out the storage disc 10 from the clamping groove 9 to detect and study the sample; after sampling is completed, the tubular cutter 42 can be taken out from the threaded groove 410 for cleaning; after cleaning is completed, the tubular cutter 42 is reinstalled in the threaded groove 410, and the sealing cover 2 is sleeved outside the mounting plate 7 to make the two magnetic plates 6 adsorb and fix the sealing cover 2.

[0041] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application. Structures, devices and operation methods not specifically described and explained in the present application are implemented according to conventional means in the art, unless otherwise specified and limited.

Claims

1. A plant sampling device for agroforestry teaching and research comprising a baffle (1), characterized in that: The middle part of the left side of the baffle (1) is fixedly connected with the right side of the mounting plate (7), the mounting plate (7) is provided with a placing groove (8) which is communicated with the front, rear and left side of the mounting plate (7), and the upper surface of the placing groove (8) is provided with a mounting cavity (11), and the sampling mechanism (4) is arranged in the mounting cavity (11). The bottom end of the placing groove (8) is provided with a clamping groove (9) at the corresponding position of the mounting cavity (11), the clamping groove (9) is sleeved with a storage disc (10), the upper surface of the storage disc (10) is provided with a plurality of storage grooves, and the mounting plate (7) is sleeved in the sealing cover (2).

2. The plant sampling device for agroforestry teaching and research according to claim 1, characterized in that: The sampling mechanism (4) comprises a fixed plate (41), the bottom surface of the fixed plate (41) is provided with a plurality of threaded grooves (410), the upper end of the plurality of tubular cutters (42) is respectively threadedly connected with the plurality of threaded grooves (410), and the plurality of tubular cutters (42) are respectively corresponded with the plurality of storage grooves in up and down directions.

3. The plant sampling device for agroforestry teaching and research according to claim 2, characterized in that: The push plate (411) is sleeved in each tubular cutter (42), the bottom end of the plurality of push plates (411) is fixedly connected with the plurality of sleeve rods (44), the plurality of sleeve rods (44) are respectively sleeved in the plurality of sleeve holes (43), and the plurality of sleeve holes (43) are respectively arranged at the upper end of the plurality of threaded grooves (410) and are communicated with the upper surface of the fixed plate (41).

4. The plant sampling device for agroforestry teaching and research according to claim 3, characterized in that: The upper end of the plurality of sleeve rods (44) is fixedly connected with the bottom surface of the connecting frame (45), the middle part of the connecting frame (45) is provided with a threaded hole which is threadedly connected with a screw rod (412), and the bottom end of the screw rod (412) is rotatably connected with the upper surface of the fixed plate (41) through a bearing.

5. The plant sampling device for agroforestry teaching and research according to claim 4, characterized in that: The upper end of the screw rod (412) is rotatably connected with the upper end of the fixed frame (48) and the bottom surface of the hollow plate (49) through a bearing, and the bottom surface of the hollow plate (49) is fixedly connected with the upper surface of the fixed frame (48).

6. The plant sampling device for agroforestry teaching and research according to claim 5, characterized in that: The top end of the screw rod (412) is fixedly provided with a bevel gear (413), the bevel gear (413) is meshedly connected with a bevel gear (414), the bevel gear (414) is fixedly arranged at the rear end of a rotating shaft (415), and the rotating shaft (415) is rotatably connected with the front side of the hollow plate (49) through a bearing.

7. The plant sampling device for agroforestry teaching and research according to claim 6, characterized in that: The hollow plate (49) is simultaneously sleeved in the through groove (12) and the connecting groove (3), the through groove (12) is arranged on the front side of the mounting plate (7), and the connecting groove (3) is arranged on the front side of the sealing cover (2) and is communicated with the right side of the sealing cover (2) at the right end.

8. The plant sampling device for agroforestry teaching and research according to claim 5, characterized in that: The bottom end of the fixed frame (48) is fixedly connected with the upper surface of the fixed plate (41), and the upper surface of the fixed plate (41) is also fixedly connected with the bottom end of the two telescopic rods (47) and the two springs (46).

9. The plant sampling device for agroforestry teaching and research according to claim 8, characterized in that: The top end of the two telescopic rods (47) and the two springs (46) is fixedly connected with the top end of the mounting cavity (11), and the two springs (46) are sleeved on the outer sides of the two telescopic rods (47).

10. The plant sampling device for agroforestry teaching and research according to claim 1, characterized in that: The opposite surface of the baffle (1) and the sealing cover (2) are provided with installation grooves (5), the two installation grooves (5) are fixedly provided with magnetic attraction plates (6), and the opposite ends of the two magnetic attraction plates (6) are connected through adsorption, and the cross section of the clamping groove (9) is inverted T-shaped.

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