Multifunctional portable sampling frame for weed investigation in herbicide field experiment

Abstract

The utility model discloses a multifunctional portable sampling frame for weed investigation in herbicide field experiments, and relates to the field of field crop herbicide field efficacy experiments, the multifunctional portable sampling frame comprises four fixed connecting frames, a plurality of outer side surrounding plates and two inner surrounding rods, every two outer side surrounding plates form a group and are hinged with each other through a hinge, and the inner surrounding rods are connected with the fixed connecting frames. The ends of each set of outer side surrounding plates are connected with the corresponding fixed connecting frames, grooves allowing the inner surrounding rods to move are formed in the outer side surrounding plates, the positions of the grooves in the two sides of the side faces are lower than the heights of the grooves in the front side and the rear side, and open grooves communicated with the grooves are formed in the outer side surrounding plates. According to the sample box, the outer side surrounding plates can be folded through the hinges to be stored, space is greatly saved, the overall convenience is improved, meanwhile, the grooves are formed in the middles of the outer side surrounding plates, the inner surrounding rods are inserted into the grooves through the open grooves, the size of the sample box frame can be freely selected according to scales, and the sampling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of field crop herbicide field efficacy experiment, especially relates to a multifunctional portable sampling frame for weed investigation in herbicide field experiment. BACKGROUND

[0002] In the herbicide field efficacy experiment, the investigation of weeds in the test field is the most important work, and the absolute value investigation method is usually used, and the commonly used tool is a sampling frame, and the sampling area is generally required to be 0.25~1m 2 .

[0003] Most of the currently used sampling frames are square frames made of metal and fixedly welded on four sides, or a square frame is directly drawn by using a tape measure and a positioning rod, and these square frames are inconvenient to carry and difficult to operate, and cannot meet the requirement that the size of the square frame may be changed at any time. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the prior art and provides a multifunctional portable sampling frame for weed investigation in herbicide field experiment.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A multifunctional portable sampling frame for weed investigation in herbicide field experiment, comprising four fixed connecting frames, a plurality of outer side plates and two inner side rods, each two outer side plates are a group and are hingedly connected with each other through a hinge, the end part of each group of outer side plates is connected with the corresponding fixed connecting frame, a groove for the movement of the inner side rod is formed in the outer side plate, the position of the groove on the two sides of the side face is lower than the height of the groove on the front and back sides, an opening groove in communication with the groove is formed in the outer side plate, the inner side plate can be inserted into the groove through the opening groove and moved along the length direction of the groove, and the two inner side rods are perpendicular to each other.

[0007] Preferably, bolts are arranged on the side face of the fixed connecting frame, nuts are embedded on the side of the outer side plate in contact with the fixed connecting frame, and the bolts and the nuts are threadedly matched to realize the connection of the outer side plate and the fixed connecting frame.

[0008] Preferably, an accommodating groove is formed in the bottom of the fixed connecting frame, and a plug-in plate is hingedly installed in the accommodating groove through a shaft pin.

[0009] Preferably, one side of the plug-in plate is fixedly provided with a side plate, the plug-in plate and the side plate are triangular structures, a containing groove for containing the side plate is formed in the fixed connecting frame and communicates with the containing groove, a limiting hole is formed in the side plate, and a limiting assembly for limiting the side plate is embedded in the side of the fixed connecting frame.

[0010] Preferably, the limiting assembly comprises a cylinder body fixedly connected with the fixed connecting frame, a sliding ring is slidably arranged in the cylinder body, a plug-in rod is fixedly connected with the inner ring of the sliding ring, a spring is fixedly connected with one side of the sliding ring and sleeved on the outer side of the plug-in rod, the end of the spring away from the sliding ring is connected with the cylinder, and the two ends of the plug-in rod penetrate through the two sides of the cylinder body, and one end of the plug-in rod can extend into the containing groove and be inserted into the limiting hole.

[0011] Preferably, the two outer side enclosing plates hinged to each other are folded through hinges, and when the two outer side enclosing plates are unfolded and parallel, the two grooves on the outer side enclosing plates are in position correspondence and communicate with each other.

[0012] Preferably, the surfaces of the two inner enclosing rods are provided with scales.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1. In the utility model, the fixed connecting frame and the outer side enclosing plate are detachable through bolts and nuts, the outer side enclosing plate can be folded through hinges for storage, space is greatly saved, and the overall convenience is improved.

[0015] 2. In the utility model, the plug-in rod is pulled out of the limiting hole, the side plate is removed from the containing groove, the plug-in plate is unfolded, and the plug-in plate and the side plate are inserted into the soil for fixation, so that the sampling frame can be effectively prevented from moving and unnecessary errors can be avoided.

[0016] 3. In the utility model, the inner enclosing rods are inserted into the grooves through the outer side enclosing plate upper end opening grooves and are moved along the grooves, and the two inner enclosing rods are perpendicular to each other and cooperate with the scales on the inner enclosing rods to freely select the size of the sampling frame, so that the sampling efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic diagram of the multifunctional portable sampling frame for weed investigation in herbicide field experiment is provided for the utility model;

[0018] Figure 2 A bottom view structure schematic diagram of the multifunctional portable sampling frame for weed investigation in herbicide field experiment is provided for the utility model;

[0019] Figure 3 An outer side enclosing plate structure schematic diagram of the multifunctional portable sampling frame for weed investigation in herbicide field experiment is provided for the utility model;

[0020] Figure 4 The utility model provides a kind of fixed connecting frame structure schematic diagram for the multifunctional portable sampling frame of weed investigation in herbicide field experiment;

[0021] Figure 5 The utility model provides a kind of plugboard unfolding structure schematic diagram for the multifunctional portable sampling frame of weed investigation in herbicide field experiment;

[0022] Figure 6 The utility model provides a kind of limit component sectional structure schematic diagram for the multifunctional portable sampling frame of weed investigation in herbicide field experiment.

[0023] Legend: 1, fixed connecting frame;2, outer side fence;3, internal fence pole;4, groove;5, opening slot;6, bolt;7, nut;8, containing groove;9, plugboard;10, side plate;11, containing groove;12, limit hole;13, limit component;131, barrel;132, slip ring;133, plug rod;134, spring;14, scale. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described below in conjunction with the drawings and examples. It should be noted that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0026] As Figures 1-6 Indicated, the utility model provides a kind of multifunctional portable sampling frame for weed investigation in herbicide field experiment, including four fixed connecting frames 1, several outer side fences 2 and two internal fence poles 3, every two outer side fences 2 are a group and are hingedly connected with each other between two, and the end of each group of outer side fences 2 is connected with corresponding fixed connecting frame 1, outer side fence 2 is provided with the groove 4 for internal fence pole 3 to move, the position of the groove 4 of two sides of side is lower than the height of the groove 4 of front and back two sides, outer side fence 2 is provided with the opening slot 5 that is communicated with groove 4, internal fence can be inserted into groove 4 by opening slot 5 and moves along the length direction of groove 4, and two internal fence poles 3 are perpendicular to each other.

[0027] In this embodiment, the side of the fixed connecting frame 1 is provided with a bolt 6, the side of the outer side plate 2 in contact with the fixed connecting frame 1 is embedded with a nut 7, the bolt 6 and the nut 7 are threadedly connected to realize the connection of the outer side plate 2 and the fixed connecting frame 1, the fixed connecting frame 1 and the outer side plate 2 are connected by the cooperation of the nut 7, and the disassembly is convenient.

[0028] In this embodiment, the bottom of the fixed connecting frame 1 is provided with a containing groove 8, the plug-in plate 9 is hingedly installed in the containing groove 8 through a shaft pin, one side of the plug-in plate 9 is fixedly provided with a side plate 10, the plug-in plate 9 and the side plate 10 are both triangular structures, the fixed connecting frame 1 is provided with a containing groove 11 in communication with the containing groove 8 and used for containing the side plate 10, the side plate 10 is provided with a limiting hole 12, and the side of the fixed connecting frame 1 is embedded with a limiting assembly 13 used for limiting the side plate 10. In the use process, the plug-in plate 9 and the side plate 10 below the four fixed connecting frames 1 can be inserted into the soil for fixation, the whole is prevented from moving, and unnecessary errors are avoided.

[0029] In this embodiment, the limiting assembly 13 comprises a cylinder 131 fixedly connected with the fixed connecting frame 1, a sliding ring 132 slidably arranged in the cylinder 131, an insertion rod 133 fixedly connected with the inner ring of the sliding ring 132, a spring 134 fixedly connected with one side of the sliding ring 132 and sleeved outside the insertion rod 133, one end of the spring 134 away from the sliding ring 132 connected with the cylinder, and both ends of the insertion rod 133 penetrating to both sides of the cylinder 131, one end of the insertion rod 133 extending into the containing groove 11 and being insertedly connected with the limiting hole 12. By pulling the insertion rod 133, the sliding ring 132 is moved and the spring 134 is pressed, the insertion rod 133 and the limiting hole 12 are separated, and the side plate 10 is removed. When the side plate 10 is inserted into the containing groove 11, the insertion rod 133 is inserted into the limiting hole 12 by the elastic force of the spring 134 to limit the side plate 10.

[0030] In this embodiment, the two outer side plates 2 hingedly connected with each other are folded through a hinge, when the two outer side plates 2 are unfolded and parallel, the two grooves 4 on the outer side plates 2 are in position correspondence and in communication with each other, the folding function is realized, and the space is greatly saved.

[0031] In this embodiment, the surfaces of the two inner surrounding rods 3 are provided with scales 14, the two inner surrounding rods 3 and the scales 14 thereon are used to freely select the size of the square frame and improve the sampling efficiency.

[0032] The use method and working principle of the device are as follows:

[0033] In use, the device is first connected by the hinge to connect the two outer side plates 2, the connection makes the groove 4 on the two outer side plates 2 position corresponding, then the fixed connecting frame 1 is connected to the corresponding outer side plate 2 by the bolt 6 and the nut 7, the fixed connecting frame 1 and the outer side plate 2 are detachable by the bolt 6 and the nut 7, the outer side plate 2 can be folded by the hinge to save space and improve the overall convenience;

[0034] After the assembly is completed, the insertion rod 133 is pulled out of the limiting hole 12, the side plate 10 is removed from the containing groove 11, and the insertion plate 9 is unfolded, the insertion plate 9 and the side plate 10 are inserted into the soil for fixation, which can effectively prevent the sampling frame from moving and avoid unnecessary errors.

[0035] The inner surrounding rod 3 is inserted into the groove 4 through the outer side plate 2 upper end opening slot 5, the two inner surrounding rods 3 are perpendicular to each other, the inner surrounding rod 3 can move along the groove 4, the size of the sampling frame can be freely selected according to the moving position of the inner surrounding rod 3 and the scale 14 on the inner surrounding rod 3, and the sampling efficiency is improved.

[0036] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application.

Claims

1. A multi-functional portable sampling frame for weed survey in herbicide field experiment, characterized in that: The utility model provides a kind of foldable fence, including four fixed connection frames (1), several outer side fences (2) and two internal fence rods (3), every two the outer side fence (2) is a group and is hinged to each other by hinge between two, the end of each group outer side fence (2) is connected with corresponding fixed connection frame (1), the outer side fence (2) is opened with the groove (4) for internal fence rod (3) to move, the position of the groove (4) on two sides of side is lower than the height of the groove (4) on front and back two sides, the outer side fence (2) is opened with the opening slot (5) that groove (4) is communicated, the internal fence can be inserted into groove (4) by opening slot (5) and moves along the length direction of groove (4), two the internal fence rod (3) is perpendicular to each other.

2. The multifunctional portable sampling frame for weed investigation in herbicide field experiment according to claim 1, characterized in that: The side of the fixed connection frame (1) is provided with a bolt (6), and the side of the outer side fence (2) in contact with the fixed connection frame (1) is embedded with a nut (7), the bolt (6) and the nut (7) are threadedly connected to realize the connection of the outer side fence (2) and the fixed connection frame (1).

3. The multi-functional portable sampling frame for weed investigation in herbicide field experiment according to claim 1, characterized in that: The bottom of the fixed connection frame (1) is provided with a containing groove (8), and the plug-in plate (9) is hingedly installed in the containing groove (8) through a shaft pin.

4. The multi-functional portable sampling frame for weed survey in herbicide field experiment according to claim 3, characterized in that: One side of the plug-in plate (9) is fixedly provided with a side plate (10), the plug-in plate (9) and the side plate (10) are both triangular structures, the fixed connection frame (1) is provided with a containing groove (11) in communication with the containing groove (8) and used for containing the side plate (10), the side plate (10) is provided with a limiting hole (12), and the side of the fixed connection frame (1) is embedded with a limiting assembly (13) used for limiting the side plate (10).

5. The multi-functional portable sampling frame for weed survey in herbicide field experiment according to claim 4, characterized in that: The limiting assembly (13) comprises a cylinder (131) fixedly connected with the fixed connection frame (1), a sliding ring (132) slidably arranged in the cylinder (131), an insertion rod (133) fixedly connected with an inner ring of the sliding ring (132), a spring (134) fixedly connected with one side of the sliding ring (132) and sleeved outside the insertion rod (133), one end of the spring (134) away from the sliding ring (132) is connected with the cylinder, and both ends of the insertion rod (133) penetrate through both sides of the cylinder (131), and one end of the insertion rod (133) can extend into the containing groove (11) and be inserted and matched with the limiting hole (12).

6. The multi-functional portable sampling frame for weed survey in herbicide field experiment according to claim 1, characterized in that: The two outer side fences (2) hingedly connected with each other are folded by hinges, and when the two outer side fences (2) are unfolded and parallel, the two grooves (4) thereon are in position correspondence and in communication with each other.

7. The multi-functional portable sampling frame for weed survey in herbicide field experiment according to claim 1, characterized in that: The surfaces of the two internal fence rods (3) are both provided with scales (14).

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