A field device for simulating the impact of reduced rainfall on crop growth

Abstract

The present invention discloses a field device for simulating the impact of reduced rainfall on crop growth, belonging to the technical field of engineering simulation. It includes a water collection mechanism and a plurality of shed bodies. The starting end of the shed body is connected to the water collection mechanism, and adjacent shed bodies can be overlapped together. The shed body includes a ceiling slide plate, a lower support frame, an upper support frame, a connecting column, an electric lifting rod, and a connecting rod. The top end of the electric lifting rod is fixedly connected with a support rod, and a connecting rod is connected between the support rods. The support rod is hinged to the lower support frame, and the lower support frame is connected to the upper support frame through the connecting column. A plurality of ceiling slide plates are arranged between the upper support frame and the lower support frame, and adjacent ceiling slide plates are overlapped and connected with each other; the shed body of the present invention has a simple structure and is easier to build, and the shed bodies can be connected to each other to change the covering area of the shed body so as to meet the requirements of different experimental data.

Description

Technical Field

[0001] The present invention belongs to the technical field of engineering simulation, and particularly relates to a field device for simulating the impact of reduced rainfall on crop growth. Background Art

[0002] In recent years' research, it has been found that rainfall is continuously decreasing. In response to this trend of decreasing rainfall, simulating rainfall reduction is a necessary means for future climate change research;

[0003] Existing simulation devices mainly focus on simulating reduced rainfall. When different data are required for experiments, multiple different simulation devices need to be built to meet the experimental data requirements, which consumes a lot of manpower and material resources and is more complex to build. In addition, existing simulation devices need to simulate on rainy days. Affected by bad weather, the simulation devices are not stable enough and are prone to safety problems. Therefore, how to provide a field device for simulating the impact of reduced rainfall on crop growth is an urgent problem for those skilled in the art to solve. Summary of the Invention

[0004] The main object of the present invention is to provide a field device for simulating the impact of reduced rainfall on crop growth to solve the above technical problems. The shed structure of the device is simple and easier to build, and the sheds can be connected to each other to change the covering area of the shed so as to adapt to different experimental data requirements.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A field device for simulating the impact of reduced rainfall on crop growth, including a water collection mechanism and a plurality of sheds. The starting end of the shed is connected to the water collection mechanism, and adjacent sheds can be overlapped together. The shed includes a ceiling slide plate, a lower support frame, an upper support frame, a connecting column, an electric lifting rod and a connecting rod. The top end of the electric lifting rod is fixedly connected with a support rod, a connecting rod is connected between the support rods, the support rod is hinged to the lower support frame, the lower support frame is connected to the upper support frame through the connecting column, and a plurality of ceiling slide plates are arranged between the upper support frame and the lower support frame. Adjacent ceiling slide plates are overlapped and connected to each other.

[0007] Further, the water collection mechanism includes a water collection tank, a filter screen, a water collection bucket, a water collection pipe and a water bucket. The water collection tank is fixed on one side of the support rod through a second connecting rod. Both ends of the water collection tank are fixedly connected with water collection buckets. A filter screen is arranged in the water collection bucket. One end of the water collection pipe is connected to the bottom end of the water collection bucket, and the other end of the water collection pipe extends into the water bucket. The water bucket is arranged on the ground.

[0008] Further, a water pump is arranged inside the water bucket. The bottom end of the connecting rod is fixedly connected with a nozzle, and the nozzle is connected to the water pump through a water pipe.

[0009] Further, a second fixing mechanism is arranged at the tail end of the ceiling sliding plate. The second fixing mechanism can cooperate with the first fixing mechanism on the ceiling sliding plate adjacent to the tail end. Roller wheels are arranged at the bottom end of the ceiling sliding plate. A groove is arranged on one side of the bottom end of the ceiling sliding plate away from the roller wheels. A first fixing mechanism is arranged on one side of the ceiling sliding plate away from the second fixing mechanism. The first fixing mechanism can cooperate with the second fixing mechanism on the ceiling sliding plate adjacent to the head end.

[0010] Further, the first fixing mechanism includes a fixing cavity. A first fixing part, a first spring, a third fixing part and a fixing shaft are arranged inside the fixing cavity. One end of the first fixing part is a free end, and the other end is hinged to one end of the third fixing part. The other end of the third fixing part is movably sleeved on the fixing shaft, and the fixing shaft is fixed inside the fixing cavity. The first spring is sleeved on the first fixing part. Spring clamping protrusions are arranged on both sides of the first spring inside the fixing cavity. The other end of the third fixing part is movably sleeved on the fixing shaft, and the fixing shaft is fixed on the inner wall of the fixing cavity.

[0011] Further, the second fixing mechanism includes a second fixing cavity. A second fixing part and a second spring are arranged inside the second fixing cavity. The second spring is arranged inside the second fixing cavity. The second fixing part is arranged at one end of the second spring away from the inner wall of the second fixing cavity.

[0012] Further, a nail plate is arranged at the bottom end of the electric lifting rod. Auxiliary nail plates are hinged to both sides of the nail plate.

[0013] Further, a third fixing mechanism is arranged on one side of the lower support frame close to the water collecting mechanism. The structure of the third fixing mechanism is the same as that of the second fixing mechanism. The third fixing mechanism is used to cooperate with the first fixing mechanism on the ceiling sliding plate. A third connecting rod is connected between the lower support frames. A track is arranged on the third connecting rod.

[0014] Further, the main body of the ceiling sliding plate is a transparent plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The shed structure of the present invention is simple and easier to build. And the sheds can be connected to each other to change the covering area of the shed so as to meet different experimental data requirements. The ceiling sliding plate and the water collecting mechanism can collect rainwater into the water bucket on rainy days, realizing the control of the rainfall amount for crops. The nail plate can fix the shed, making the shed more stable on rainy days. The ceiling sliding plates are overlapped and connected to each other, and roller wheels are arranged at the bottom end, which is more convenient for building and can also ensure that the shed does not leak water. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings.

[0018] Figure 1 It is a schematic structural diagram of the present invention.

[0019] Figure 2 It is a schematic cross-sectional structure diagram of the ceiling slide plate.

[0020] Figure 3 It is a schematic partial structure diagram of the fixing mechanism I.

[0021] Figure 4 It is a schematic partial structure diagram of the fixing mechanism II.

[0022] Figure 5 It is a schematic structure diagram of the ceiling slide plate.

[0023] Figure 6 It is a schematic bottom view structure diagram of the ceiling slide plate.

[0024] Figure 7 It is a schematic structure diagram of the lower support frame and the upper support frame.

[0025] Wherein, 1 - ceiling slide plate, 1.1 - groove, 1.2 - fixing mechanism I, 1.3 - roller, 1.4 - fixing part II, 1.5 - fixing mechanism II, 1.6 - spring II, 1.7 - fixing part I, 1.8 - spring I, 1.9 - fixing part III, 1.10 - fixing cavity, 1.11 - fixing shaft, fixing mechanism III 1.12, 2 - lower support frame, 3 - upper support frame, 4 - connecting column, 5 - water collecting trough, 6 - filter screen, 7 - water collecting bucket, 8 - water collecting pipe, 9 - water bucket, 10 - water pump, 11 - water pipe, 12 - electric lifting rod, 13 - nozzle, 14 - connecting rod, 15 - nail plate, 16 - auxiliary nail plate, 17 - track. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0027] Such as Figures 1 to 7As shown in the figure, the present invention provides a field device for simulating the impact of reduced rainfall on crop growth, including a water collection mechanism and a plurality of shed bodies. The starting end of the shed body is connected to the water collection mechanism, and adjacent shed bodies can be overlapped with each other. The shed body includes a ceiling slide plate 1, a lower support frame 2, an upper support frame 3, a connecting column 4, an electric lifting rod 12, and a connecting rod 14. The top end of the electric lifting rod 12 is fixedly connected to a support rod, and a connecting rod 14 is connected between the support rods. The support rod is hinged to the lower support frame 2 to realize the angle change of the ceiling slide plate 1, so as to better collect rainwater. The lower support frame 2 is connected to the upper support frame 3 through a connecting column 4. A plurality of ceiling slide plates 1 are arranged between the upper support frame 3 and the lower support frame 2, and adjacent ceiling slide plates 1 are overlapped and connected to each other to ensure that the shed body will not leak water. The shed body has a simple structure and is easier to build. Moreover, the shed bodies can be connected to each other to change the covering area of the shed body to meet the needs of different experimental data. The ceiling slide plate 1 and the water collection mechanism can collect rainwater on rainy days to realize the control of the rainfall amount of crops. The electric lifting rod 12 can lift the entire shed body.

[0028] In this embodiment, the water collection mechanism includes a water collection tank 5, a filter screen 6, a water collection bucket 7, a water collection pipe 8, and a water bucket 9. The water collection tank 5 is fixed on one side of the support rod through a connecting rod II. Both ends of the water collection tank 5 are fixedly connected to water collection buckets 7. When there is rainwater in the water collection tank 5, the rainwater will flow from the water collection tank 5 into the water collection buckets 7, so as to realize the collection of rainwater. A filter screen 6 is arranged in the water collection bucket 7 for filtering rainwater. The bottom end of the water collection bucket 7 is connected to one end of the water collection pipe 8, and the other end of the water collection pipe 8 extends into the water bucket 9. The water bucket 9 is arranged on the ground and can collect rainwater.

[0029] In this embodiment, a water pump 10 is arranged in the water bucket 9. The bottom end of the connecting rod 14 is fixedly connected to a spray head 13. The spray head 13 is connected to the water pump 10 through a water pipe 11. The rainwater collected in the water bucket 9 can be sprayed out through the spray head 13, which can control the rainwater absorbed by the crops and avoid inaccurate experimental data caused by using tap water.

[0030] In this embodiment, a fixing mechanism II 1.5 is arranged at the tail end of the ceiling slide plate 1. The fixing mechanism II 1.5 can cooperate with the fixing mechanism I 1.2 on the adjacent ceiling slide plate at the tail end. A roller 1.3 is arranged at the bottom end of the ceiling slide plate 1, and a groove 1.1 is arranged on one side of the bottom end of the ceiling slide plate 1 away from the roller 1.3. A fixing mechanism I 1.2 is arranged on one side of the ceiling slide plate 1 away from the fixing mechanism II 1.5. The fixing mechanism I 1.2 can cooperate with the fixing mechanism II 1.5 on the adjacent ceiling slide plate at the head end. The fixing mechanism II 1.5 can be inserted into the fixing mechanism I 1.2 to make the connection between the ceiling slide plates 1 more stable.

[0031] In this embodiment, the fixing mechanism 1.2 includes a fixing cavity 1.10, in which a fixing part 1.7, a spring 1.8, a fixing part 3 1.9 and a fixing shaft 1.11 are provided. One end of the fixing part 1.7 is a free end, and the other end is hinged to one end of the fixing part 3 1.9. The other end of the fixing part 3 1.9 is movably sleeved on the fixing shaft 1.11, and the fixing shaft 1.11 is fixed in the fixing cavity 1.10; a spring 1.8 is sleeved on the fixing part 1.7, and the fixing cavity 1.10 and the spring 1.8 are located in the fixing cavity 1.10. Spring locking protrusions are provided on both sides, and the other end of the fixing part three 1.9 is movably sleeved on the fixed shaft 1.11, and the fixed shaft 1.11 is fixed to the inner wall of the fixing cavity 1.10. The fixing part three 1.9 is also provided with a protrusion that can clamp the spring one 1.8. The locking protrusion in the fixing cavity 1.10 is used to cooperate with the protrusion on the fixing part 1.9 to clamp the spring one 1.8; the fixing part three 1.9 can rotate around the fixed shaft 1.11 to realize the rotational connection, and the fixing part three 1.9 is clamped into the groove 1.1 to realize the mutual connection between the ceiling slides 1.

[0032] In this embodiment, the fixing mechanism 2 1.5 includes a fixing cavity 2, in which a fixing part 2 1.4 and a spring 2 1.6 are provided. The spring 2 1.6 is provided in the fixing cavity 2, and the fixing part 2 1.4 is provided at one end of the spring 2 1.6 away from the inner wall of the fixing cavity 2. The position of the fixing cavity 2 where the spring 2 1.6 is located is a cylindrical groove, which is used to guide the fixing part 2 1.4, and under the action of the spring 2 1.6, the fixing part 2 1.4 can be compressed and popped out, thereby making the ceiling slide plate 1 easier to install and disassemble.

[0033] In this embodiment, a nail plate 15 is provided at the bottom end of the electric lifting rod 12, and auxiliary nail plates 16 are hinged on both sides of the nail plate 15. The nail plate 15 and the auxiliary nail plates 16 can ensure the stability of the shed body and are used to be inserted into the soil.

[0034] In this embodiment, a fixing mechanism three 1.12 is provided on the side of the lower support frame 2 close to the water collection mechanism. The structure of the fixing mechanism three 1.12 is the same as that of the fixing mechanism two 1.5. The fixing mechanism three 1.12 is used to cooperate with the fixing mechanism one 1.2 on the ceiling slide 1. A connecting rod three is connected between the lower support frame 2, and a track 17 is provided on the connecting rod three. The ceiling slide 1 is arranged between the lower support frame 2 and the upper support frame 3, and cooperates with the track 17 to make the ceiling easier to install.

[0035] In this embodiment, the main body of the roof slide plate 1 is a transparent plate, which can ensure that sunlight can be projected into the shed normally and ensure that other influencing factors of the crops are consistent.

[0036] In the present specification, the various embodiments are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same or similar parts among the various embodiments, reference can be made to each other. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple. For the relevant parts, reference can be made to the description in the method section.

[0037] The foregoing description of the disclosed embodiments enables those skilled in the art to practice or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A field device for simulating the impact of reduced rainfall on crop growth, characterized in that, It includes a water collection mechanism and a plurality of shed bodies. The starting end of the shed body is connected to the water collection mechanism, and adjacent shed bodies can overlap with each other. The shed body includes a ceiling slide plate (1), a lower support frame (2), an upper support frame (3), a connecting column (4), an electric lifting rod (12), and a connecting rod (14). The top end of the electric lifting rod (12) is fixedly connected with a support rod. A connecting rod (14) is connected between the support rods. The support rod is hinged to the lower support frame (2). The lower support frame (2) is connected to the upper support frame (3) through a connecting column (4). A plurality of ceiling slide plates (1) are arranged between the upper support frame (3) and the lower support frame (2), and adjacent ceiling slide plates (1) are overlapped and connected to each other; A fixing mechanism two (1.5) is arranged at the tail end of the ceiling slide plate (1). The fixing mechanism two (1.5) can cooperate with the fixing mechanism one (1.2) on the adjacent ceiling slide plate (1) at the tail end. A roller (1.3) is arranged at the bottom end of the ceiling slide plate (1). A groove (1.1) is arranged on one side of the bottom end of the ceiling slide plate (1) away from the roller (1.3). A fixing mechanism one (1.2) is arranged on one side of the ceiling slide plate (1) away from the fixing mechanism two (1.5). The fixing mechanism one (1.2) can cooperate with the fixing mechanism two (1.5) on the adjacent ceiling slide plate (1) at the head end; The fixing mechanism one (1.2) includes a fixing cavity (1.10). A fixing piece one (1.7), a spring one (1.8), a fixing piece three (1.9), and a fixing shaft (1.11) are arranged in the fixing cavity (1.10). One end of the fixing piece one (1.7) is a free end, and the other end is hinged to one end of the fixing piece three (1.9). The other end of the fixing piece three (1.9) is movably sleeved on the fixing shaft (1.11), and the fixing shaft (1.11) is fixed in the fixing cavity (1.10). A spring one (1.8) is sleeved on the fixing piece one (1.7). Spring clamping protrusions are arranged on both sides of the spring one (1.8) in the fixing cavity (1.10). The other end of the fixing piece three (1.9) is movably sleeved on the fixing shaft (1.11), and the fixing shaft (1.11) is fixed on the inner wall of the fixing cavity (1.10); The fixing mechanism two (1.5) includes a fixing cavity two. A fixing piece two (1.4) and a spring two (1.6) are arranged in the fixing cavity two. The spring two (1.6) is arranged in the fixing cavity two. One end of the spring two (1.6) away from the inner wall of the fixing cavity two is provided with a fixing piece two (1.4).

2. The field device for simulating the impact of reduced rainfall on crop growth according to claim 1, characterized in that: The water collection mechanism includes a water collection tank (5), a filter screen (6), a water collection bucket (7), a water collection pipe (8), and a water bucket (9). The water collection tank (5) is fixed on one side of the support rod through a connecting rod two. Water collection buckets (7) are fixedly connected to both ends of the water collection tank (5). A filter screen (6) is arranged in the water collection bucket (7). The bottom end of the water collection bucket (7) is connected to one end of the water collection pipe (8). The other end of the water collection pipe (8) extends into the water bucket (9), and the water bucket (9) is arranged on the ground.

3. The field device for simulating the impact of reduced rainfall on crop growth according to claim 2, characterized in that: A water pump (10) is arranged inside the water bucket (9). The bottom end of the connecting rod (14) is fixedly connected with a spray head (13), and the spray head (13) is connected to the water pump (10) through a water pipe (11).

4. A field device for simulating the impact of reduced rainfall on crop growth according to claim 1, characterized in that: A nail plate (15) is arranged at the bottom end of the electric lifting rod (12), and auxiliary nail plates (16) are hinged on both sides of the nail plate (15).

5. A field device for simulating the impact of reduced rainfall on crop growth according to claim 1, characterized in that: A fixing mechanism three (1.12) is arranged on one side of the lower support frame (2) close to the water collecting mechanism. The structure of the fixing mechanism three (1.12) is the same as that of the fixing mechanism two (1.5). The fixing mechanism three (1.12) is used to cooperate with the fixing mechanism one (1.2) on the ceiling slide plate (1). A connecting rod three is connected between the lower support frames (2), and a track (17) is arranged on the connecting rod three.

6. The field device for simulating the impact of reduced rainfall on crop growth according to claim 1, characterized in that: The main body of the ceiling slide plate (1) is a transparent plate.

Images