Device for forest grass investigation

Abstract

The utility model relates to the field of forest grass investigation, in particular to a forest grass investigation device which comprises two first side rods, two second side rods, four connecting columns, a fixing mechanism and two separating mechanisms, the four connecting columns are symmetrically arranged, and the two first side rods and the two second side rods are located between the two adjacent connecting columns respectively. Each separation mechanism is located between one first side rod and one second side rod, each separation mechanism comprises a buckling assembly, a guide assembly, a plurality of pull ropes, a plurality of positioning assemblies and a plurality of winding assemblies, and the fixing mechanism is installed at the bottom ends of the four connecting columns. According to the method, the area in the large quadrat frame can be divided into a plurality of small quadrat frames, special research can be conveniently carried out according to different ecological levels, investigation precision can be improved, meanwhile, the use number of the quadrat frames can be reduced, cost is reduced, a large number of quadrat frames do not need to be carried in forest and grass investigation activities, and use requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of forest and grass investigation, and specifically relates to a device for forest and grass investigation. BACKGROUND

[0002] Forest and grass investigation is a scientific activity of systematically monitoring and evaluating the resource status, biodiversity and environmental factors of forest and grassland ecological systems. In the forest and grass investigation activities, a small range of area is generally delimited by a quadrat frame so that researchers can investigate the vegetation characteristics in the area.

[0003] The quadrat frame for forest and grass investigation in the prior art, in actual use, in order to improve the investigation precision and conduct special researches for different ecological levels, a small quadrat frame is generally nested in a large quadrat frame. The nesting of a small quadrat frame in a large quadrat frame is a common stratified sampling investigation method. However, this method needs more than one set of quadrat frames in use, which leads to a large number of quadrat frames required in the forest and grass investigation activities, and increases the cost while being inconvenient to carry. In view of this problem, the present application provides a new device for forest and grass investigation. SUMMARY

[0004] The utility model aims at providing a device for forest and grass investigation to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A device for forest and grass investigation comprises two first edge rods, two second edge rods and four connecting columns.

[0007] The four connecting columns are symmetrically arranged, and the two first edge rods and the two second edge rods are respectively located between adjacent two connecting columns. The end of each first edge rod and second edge rod is hingedly connected with the connecting column.

[0008] The device further comprises a fixing mechanism and two partition mechanisms, and each partition mechanism is located between a first edge rod and a second edge rod.

[0009] Each partition mechanism comprises a buckling assembly, a guide assembly, a plurality of pull ropes, a plurality of positioning assemblies and a plurality of winding assemblies. The guide assembly is installed on one side of the first edge rod, the plurality of winding assemblies are located above the guide assembly, and each pull rope is located on one side of one winding assembly.

[0010] The fixing mechanism is installed at the bottom end of the four connecting columns.

[0011] As a further scheme of the utility model: each winding assembly includes receiving shell, pivot, winding disc, perforation and two coil springs, the receiving shell is located at one side of the first side pole, the pivot is rotatably arranged in the inside of the receiving shell through the bearing, the winding disc is fixedly installed on the surface of the pivot, two coil springs are symmetrically arranged on both sides of the winding disc, both ends of each coil spring are connected with the pivot and the receiving shell respectively, the perforation is arranged on the surface of the receiving shell, one end of the pull rope is wound on the winding disc, the other end of the pull rope passes through the perforation.

[0012] As a further scheme of the utility model: the buckle assembly includes a plurality of hanging rings, a plurality of connecting plates and a plurality of positioning columns, the plurality of positioning columns are equidistantly installed at the top of the second side pole, each connecting plate is fixed at one end of the pull rope away from the winding disc, each hanging ring is fixed at one side of one connecting plate away from the pull rope, and the hanging ring is sleeved outside one of the positioning columns.

[0013] As a further scheme of the utility model: the guide assembly includes two side plates, two guide rods and a plurality of moving blocks, the two side plates are symmetrically fixed on the surface of the first side pole, the two guide rods are arranged in an up-down mode, both ends of each guide rod are fixedly connected with the two side plates respectively, each moving block is slidingly arranged on the two guide rods, and the top end of each moving block is fixedly connected with the bottom end of one receiving shell.

[0014] As a further scheme of the utility model: each positioning assembly includes a plug rod, a pull plate and a spring, the plug rod is slidingly arranged on the moving block, the pull plate is fixed at one end of the plug rod, the spring is sleeved on the surface of the plug rod, and both ends of the spring are connected with the pull plate and the moving block respectively, a plurality of plug slots matched with the plug rod are arranged on the surface of the first side pole, and one end of the plug rod away from the pull plate is inserted into the inside of the plug slot.

[0015] As a further scheme of the utility model: the fixing mechanism includes four limiting plates and four ground insertion rods, each limiting plate is fixed at the bottom end of one connecting column, and each ground insertion rod is installed at the bottom end of one limiting plate.

[0016] As a further scheme of the utility model: a plurality of barbs are installed on the surface of each ground insertion rod.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、The device for investigating forest and grass disclosed by the utility model can divide the area in the large sample frame into a plurality of small sample frames through the setting of the separating mechanism, is convenient for special research according to different ecological levels, is favorable for improving the investigation precision, can reduce the use quantity of the sample frame and reduce the cost, does not need to carry a large number of sample frames in the forest and grass investigation activity, and meets the use requirement.

[0019] 2. The forestry and grassland survey device disclosed in this utility model can adjust the position of the pull rope by setting a positioning component and a fastening component, thereby dividing the position and area of ​​small sample squares as needed, avoiding vegetation abnormalities caused by light, competition, etc. at the edges of large sample squares, and facilitating the acquisition of more representative core area data.

[0020] 3. The forestry and grassland survey device disclosed in this utility model can install and position the sample frame by inserting the four ground-inserting rods into the ground. At the same time, the multiple barbs on the ground-inserting rods can improve the fixing effect and reduce the displacement of the sample frame caused by external forces, which is conducive to improving the accuracy of forestry and grassland surveys.

[0021] 4. The forestry and grassland survey device disclosed in this utility model has both ends of the first and second side rods hinged to the connecting column. When the sample frame is not needed, the hinged design can be used to fold the sample frame, which can reduce the area of ​​the sample frame and make it convenient to carry and store.

[0022] 5. By using forestry and grassland survey devices, forestry and grassland data can be collected and analyzed, which is conducive to accurately grasping the distribution, quantity, quality and dynamic changes of natural resources such as forests, grasslands and wetlands, and provides key basis for formulating scientific protection policies. Attached Figure Description

[0023] Figure 1 A schematic diagram of the structure of this utility model is shown.

[0024] Figure 2 This utility model is illustrated schematically. Figure 1 A magnified structural diagram of part A in the middle.

[0025] Figure 3 This utility model is illustrated schematically. Figure 1 A magnified structural diagram of part B.

[0026] Figure 4 A top view of the present invention is shown schematically.

[0027] Figure 5 A schematic diagram of the structure of the storage shell in this utility model is shown.

[0028] Figure 6 A schematic diagram of the disassembled structure of the storage shell and the rotating shaft in this utility model is shown.

[0029] The components are as follows: 11. Connecting post; 12. Grounding rod; 13. First side rod; 14. Second side rod; 15. Barb; 16. Side plate; 17. Guide rod; 18. Moving block; 19. Slot; 20. Insert rod; 21. Pull plate; 22. Spring; 23. Storage shell; 24. Rotating shaft; 25. Rewinding reel; 26. Pull rope; 27. Coil spring; 28. Connecting plate; 29. ​​Hanging ring; 30. Positioning post; 31. Limiting plate; 32. Perforation. Detailed Implementation

[0030] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0031] The present invention provides the following preferred embodiments:

[0032] Example 1, as Figures 1-6 As shown, a forestry and grassland survey device includes two first side rods 13, two second side rods 14, and four connecting posts 11;

[0033] The four connecting posts 11 are arranged symmetrically, and the two first side rods 13 and the two second side rods 14 are located between two adjacent connecting posts 11 respectively. The ends of each first side rod 13 and second side rod 14 are hinged to the connecting post 11. Specifically, the two adjacent side rods are staggered vertically.

[0034] It also includes a fixing mechanism and two separating mechanisms, each of which is located between a first side bar 13 and a second side bar 14;

[0035] Each dividing mechanism includes a fastening assembly, a guide assembly, several pull ropes 26, several positioning assemblies, and several winding assemblies. The guide assembly is installed on one side of the first side bar 13, and the several winding assemblies are all located above the guide assembly. Each pull rope 26 is located on one side of a winding assembly.

[0036] In actual use, an appropriate number of pull ropes 26 and winding components can be installed as needed;

[0037] By setting up a dividing mechanism, the area within a large quadrat can be divided into multiple smaller quadrat frames, which facilitates specialized research at different ecological levels, improves survey accuracy, reduces the number of quadrat frames used, lowers costs, and eliminates the need to carry a large number of quadrat frames during forestry and grassland surveys, thus meeting usage requirements.

[0038] The fixing mechanism is installed at the bottom of the four connecting columns 11.

[0039] like Figures 1-6As shown in the drawings, each winding assembly comprises a receiving shell 23, a rotating shaft 24, a winding disc 25, a through hole 32 and two winding springs 27, the receiving shell 23 is located at one side of the first side rod 13, the rotating shaft 24 is rotatably arranged in the interior of the receiving shell 23, specifically, the two ends of the rotating shaft 24 are rotatably connected with the two side surfaces of the receiving shell 23, the winding disc 25 is fixedly installed on the surface of the rotating shaft 24, the two winding springs 27 are symmetrically arranged at the two sides of the winding disc 25, the two ends of each winding spring 27 are respectively connected with the rotating shaft 24 and the receiving shell 23, the through hole 32 is arranged on the surface of the receiving shell 23, one end of the pull rope 26 is wound on the winding disc 25, the other end of the pull rope 26 passes through the through hole 32;

[0040] When the hanging ring 29 is sleeved outside the positioning column 30, the two winding springs 27 are deformed,

[0041] When it is needed to divide a small sample frame in the large sample frame, the hanging ring 29 can be pulled and sleeved on the positioning column 30, at this time, the pull rope 26 can divide the large sample frame, when the hanging ring 29 is taken off from the positioning column 30, the pull rope 26 can be wound on the winding disc 25 again under the action of the two winding springs 27.

[0042] As shown in the drawings, Figures 1-6 The buckle assembly comprises a plurality of hanging rings 29, a plurality of connecting plates 28 and a plurality of positioning columns 30, the plurality of positioning columns 30 are equidistantly installed at the top end of the second side rod 14, each connecting plate 28 is fixed at one end of the pull rope 26 away from the winding disc 25, each hanging ring 29 is fixed at one side of one connecting plate 28 away from the pull rope 26, the hanging ring 29 is sleeved outside one of the positioning columns 30, specifically, the width of the connecting plate 28 is greater than the width of the through hole 32, which can effectively prevent the connecting plate 28 and the hanging ring 29 from entering the interior of the receiving shell 23 through the through hole 32.

[0043] As shown in the drawings, Figures 1-6 The guide assembly comprises two side plates 16, two guide rods 17 and a plurality of moving blocks 18, the two side plates 16 are symmetrically fixed on the surface of the first side rod 13, the two guide rods 17 are arranged in an up-down manner, the two ends of each guide rod 17 are fixedly connected with the two side plates 16, each moving block 18 is slidingly arranged on the two guide rods 17, and the top end of each moving block 18 is fixedly connected with the bottom end of one receiving shell 23;

[0044] Through the setting of the moving block 18 and the guide rod 17, by moving the moving block 18 on the guide rod 17, the accommodation shell 23 can be driven to move, thereby achieving the adjustment of the position of the accommodation shell 23, then the hanging ring 29 at the end of the pull rope 26 is sleeved outside the positioning column 30 at the appropriate position, that is, the adjustment of the position of the pull rope 26 is realized, thereby facilitating the division of the position and area of the small quadrat according to the needs, avoiding the abnormal vegetation of the large quadrat edge caused by illumination, competition and the like, and facilitating the acquisition of more representative core area data.

[0045] As shown in Figures 1-6 each positioning assembly comprises a plug rod 20, a pull plate 21 and a spring 22, the plug rod 20 is slidingly arranged on the moving block 18, specifically, the middle part of the moving block 18 is provided with a hole for the plug rod 20 to slide, the pull plate 21 is fixed to one end of the plug rod 20, the spring 22 is sleeved on the surface of the plug rod 20, the two ends of the spring 22 are connected with the pull plate 21 and the moving block 18 respectively, and the surface of the first side rod 13 is provided with a plurality of plug grooves 19 matched with the plug rod 20, and the end of the plug rod 20 away from the pull plate 21 is inserted into the inside of the plug groove 19;

[0046] In the initial state, the end of the plug rod 20 is inserted into the inside of one of the plug grooves 19, and the spring 22 is in a natural state;

[0047] When it is necessary to move the moving block 18 to adjust the position of the accommodation shell 23, the pull plate 21 is pulled, the pull plate 21 can drive the plug rod 20 to move, at this time the spring 22 is elongated, and the end of the plug rod 20 is separated from the inside of the plug groove 19, then the moving block 18 is moved to the appropriate position, the plug rod 20 is aligned with the plug groove 19 at the appropriate position, the pull plate 21 is released, and under the action of the spring 22, the end of the plug rod 20 can be inserted into the inside of the moving block 18, so as to realize the repositioning of the moving block 18, ensure the stability of the accommodation shell 23, and prevent displacement, thereby preventing the pull rope 26 from being displaced.

[0048] As shown in Figures 1-6 the fixing mechanism comprises four limiting plates 31 and four ground insertion rods 12, each limiting plate 31 is fixed to the bottom end of one connecting column 11, and each ground insertion rod 12 is installed at the bottom end of one limiting plate 31, in use, the four connecting columns 11 are unfolded, so as to unfold the two first side rods 13 and the two second side rods 14, so that the two first side rods 13 and the two second side rods 14 can form a quadrat, then the ground insertion rod 12 at the bottom end of the connecting column 11 is inserted into the ground, so as to fix and install the quadrat.

[0049] As shown in Figures 1-6 the surface of each ground insertion rod 12 is provided with a plurality of barbs 15, the setting of the barbs 15 can increase the grip effect, thereby further improving the installation stability of the quadrat.

[0050] The utility model discloses the beneficial effect specifically embodied above only for the preferred embodiment of the utility model, and does not use to limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model should be contained in the protection scope of the utility model.

Claims

1. A device for forestry and grassland surveys, characterized in that, The utility model relates to a kind of first edge pole, second edge pole and connecting column, including two first edge poles (13), two second edge poles (14), four connecting columns (11); Four connecting columns (11) are symmetrically arranged, and two first edge poles (13) and two second edge poles (14) are respectively located between adjacent two connecting columns (11), and the end of each first edge pole (13) and second edge pole (14) is hingedly connected with connecting column (11); It further includes fixing mechanism and two separation mechanisms, and each separation mechanism is located between a first edge pole (13) and a second edge pole (14); Each separation mechanism includes a buckle assembly, a guide assembly, a plurality of pull ropes (26), a plurality of positioning assemblies, and a plurality of winding assemblies, the guide assembly is installed on one side of the first edge pole (13), the plurality of winding assemblies are located above the guide assembly, and each pull rope (26) is located on one side of a winding assembly. The fixing mechanism is installed at the bottom end of the four connecting columns (11).

2. The device for investigating forests and grasslands according to claim 1, characterized by Each winding assembly includes a receiving shell (23), a shaft (24), a winding disc (25), a perforation (32) and two coil springs (27), the receiving shell (23) is located on one side of the first edge pole (13), the shaft (24) is rotatably arranged inside the receiving shell (23) through a bearing, the winding disc (25) is fixedly installed on the surface of the shaft (24), the two coil springs (27) are symmetrically arranged on both sides of the winding disc (25), the two ends of each coil spring (27) are respectively connected with the shaft (24) and the receiving shell (23), the perforation (32) is formed on the surface of the receiving shell (23), one end of the pull rope (26) is wound on the winding disc (25), and the other end of the pull rope (26) passes through the perforation (32).

3. The device for investigating forests and grasslands according to claim 2, characterized by The buckle assembly includes a plurality of eye rings (29), a plurality of connecting plates (28) and a plurality of positioning columns (30), the plurality of positioning columns (30) are equidistantly installed at the top end of the second edge pole (14), each connecting plate (28) is fixed at one end of the pull rope (26) away from the winding disc (25), each eye ring (29) is fixed to one side of one connecting plate (28) away from the pull rope (26), and the eye ring (29) is sleeved outside one of the positioning columns (30).

4. The device for investigating forests and grasslands according to claim 3, characterized by The guide assembly includes two side plates (16), two guide rods (17) and a plurality of moving blocks (18), the two side plates (16) are symmetrically fixed to the surface of the first edge pole (13), the two guide rods (17) are arranged in an up-down manner, the two ends of each guide rod (17) are respectively fixedly connected with the two side plates (16), and each moving block (18) is slidably arranged on the two guide rods (17), and the top end of each moving block (18) is fixedly connected with the bottom end of one receiving shell (23).

5. The device for investigating forests and grasslands according to claim 4, wherein Each positioning assembly comprises an insertion rod (20), a pull plate (21) and a spring (22), the insertion rod (20) is slidingly arranged on the moving block (18), the pull plate (21) is fixed to one end of the insertion rod (20), the spring (22) is sleeved on the surface of the insertion rod (20), and the two ends of the spring (22) are connected with the pull plate (21) and the moving block (18) respectively, and the surface of the first side rod (13) is provided with a plurality of insertion grooves (19) matched with the insertion rod (20), and one end of the insertion rod (20) away from the pull plate (21) is inserted into the inside of the insertion groove (19).

6. The device for investigating forests and grasslands according to claim 5, wherein The fixing mechanism comprises four limiting plates (31) and four ground insertion rods (12), each limiting plate (31) is fixed to the bottom end of one connecting column (11), and each ground insertion rod (12) is installed at the bottom end of one limiting plate (31).

7. The device for investigating forests and grasslands according to claim 6, wherein The surface of each ground insertion rod (12) is provided with a plurality of barbs (15).

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