Conveniently adjustable crop drought-resistant shed

Abstract

The utility model relates to the field of agricultural technology, a kind of crop drought-resistant shed of convenient adjustment, including main shed frame body, main shed frame body includes side rain baffle and top rain baffle, top rain baffle and center roof are inclined plate structure, and the two sides top rain baffle of elevated plate are connected integrally, elevated plate is located in the center direction extension of main shed frame body and forms height difference, center roof is laid in the top joint of elevated plate, covers the central region of main shed frame body, and the bottom surface of center roof is fixedly connected with the bottom surface of main shed frame body support frame assembly, and the both sides of main shed frame body are fixedly installed with support shed frame, and support shed frame bottom slidingly installed has drive assembly, and the inside of main shed frame body movably installs secondary shed frame body.The utility model is through the inclination design of top rain baffle and the height difference structure of elevated plate, and support frame assembly improves the load bearing and deformation resistance of shed body, and drive assembly realizes the flexible adjustment of shed body coverage range.

Description

Technical Field

[0001] This utility model relates to the field of agricultural technology, and in particular to a drought-resistant greenhouse for crops that is easy to adjust. Background Technology

[0002] With the rapid development of agricultural technology in my country, greenhouses are being used more and more. Among them, drought-resistant greenhouses can ensure that the environment required for crop growth is not disturbed by the external environment. Various indicators inside the drought-resistant greenhouse, such as soil moisture content and soil fertility, can be accurately measured. Rain shelters are required when conducting drought resistance assessments of crops.

[0003] Existing technologies, such as the novel crop drought resistance assessment shed disclosed in CN221488498U, include several shed frames arranged in sequence. Each shed frame is equipped with rollers underneath, and the rollers are connected to guide rails fixed to the ground. The innermost shed frame can move the outer shed frames in sequence after it moves. Buffers are installed at both ends of the guide rails to prevent the shed frames from being subjected to severe impacts. In this design, each shed frame corresponds to a set of guide rails, and the length of the guide rails increases from the outside to the inside. The parallel laying of multiple sets of guide rails of different lengths in this design requires extremely high ground flatness. Farmland ground is prone to subsidence or unevenness due to cultivation and rainfall. After the guide rails are laid, height differences are likely to occur, causing the rollers to jam and the shed frames to tilt during movement. Furthermore, the installation and calibration process for guide rails of different lengths is complex, resulting in high construction costs and difficulties. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing the following technical solution: An easily adjustable drought-resistant greenhouse for crops includes a main frame body. The main frame body includes side rain shields and a top rain shield. The two sides of the top rain shield are fixedly installed with the side rain shields. The top rain shield is composed of a raised plate and a central top plate spliced ​​together. The top rain shield and the central top plate are inclined plate structures, and the raised plate is a vertical plate structure. The two sides of the top rain shield of the raised plate are connected as one unit. The raised plate extends in the central direction of the main frame body and forms a height difference. The central top plate is laid at the top splice of the raised plate, covering the central area of ​​the main frame body. The bottom surface of the central top plate is fixedly connected to the bottom surface of the main frame body with a support frame assembly. Support frames are fixedly installed on both sides of the main frame body. A drive assembly is slidably installed at the bottom of the support frames. A secondary frame body is movably installed inside the main frame body.

[0005] As an improvement to the above technical solution, the support frame assembly includes a bottom support frame and a top support frame. The bottom support frames are spaced apart along the length of the main canopy body, and the top support frame is laterally connected to the top of the bottom support frame. The bottom surface of the top rain shield is fixedly attached to the top support frame.

[0006] As an improvement to the above technical solution, the supporting frame includes a rectangular supporting frame and a central supporting frame. The rectangular supporting frame is connected to the side of the main frame body, and the central supporting frame is disposed inside the rectangular supporting frame. The top of the central supporting frame is adapted to fit the bottom surface of the top rain shield.

[0007] As an improvement to the above technical solution, the driving component includes a guide rail and a drive motor. The guide rail is set on the ground along the length of the main frame body. The bottom of the main frame body is slidably engaged with the guide rail. The drive motor is connected to the main frame body and is used to drive the main frame body to move along the guide rail.

[0008] As an improvement to the above technical solution, the drive assembly further includes a controller and a power module. The controller is electrically connected to the drive motor and is used to control the start, stop and running speed of the drive motor. The power module is installed on the electrical box support frame of the supporting frame to provide power to the drive assembly.

[0009] The beneficial effects of this utility model are: 1. This utility model, through the inclined design of the top rain shield and the height difference structure of the raised plate, can not only achieve full-area rain protection, but also quickly guide rainwater to the sides to avoid water accumulation on the roof, ensuring the stability of the "rainless environment" for drought resistance identification tests. The cooperation between the support frame component and the support frame significantly improves the load-bearing and deformation resistance of the shed, which can adapt to the loads in complex farmland environments, such as wind, rain, and snow accumulation, reducing the risk of shed damage. The drive component enables flexible adjustment of the shed's coverage area, which can meet the concentrated rain protection needs of large-area crops, as well as the precise control of small-area tests, improving the versatility of the drought-resistant shed's applicable scenarios. Compared with the traditional design of multiple sets of guide rails of different lengths, the sliding drive component of this structure has stronger adaptability to ground flatness, reducing the jamming problem caused by farmland ground settlement / unevenness, and reducing construction and maintenance costs. Attached Figure Description

[0010] Figure 1 This is a structural diagram of the present invention; Figure 2 This is a structural diagram of the main frame of this utility model; Figure 3 This is a structural diagram of the support frame of this utility model; Figure 4 This is a structural diagram of the support frame assembly of this utility model.

[0011] Reference numerals in the attached drawings: 1. Main canopy frame body; 11. Side rain shield; 12. Top rain shield; 121. Raised plate; 122. Central top plate; 13. Support frame assembly; 131. Bottom support frame; 132. Top support frame; 2. Supporting canopy frame; 21. Rectangular support frame; 211. Central support frame; 23. Electrical box support frame; 3. Drive assembly; 31. Guide rail; 32. Drive motor; 33. Controller; 34. Power module; 4. Secondary canopy frame body. Detailed Implementation

[0012] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0013] Please see Figure 1-4 This utility model provides a technical solution: An easily adjustable drought-resistant greenhouse for crops includes a main frame body 1. The main frame body 1 includes side rain shields 11 and a top rain shield 12. The two sides of the top rain shield 12 are fixedly installed with the side rain shields 11. The top rain shield 12 is composed of a raised plate 121 and a central top plate 122 spliced ​​together. The top rain shield 12 and the central top plate 122 are inclined plate structures, and the raised plate 121 is a vertical plate structure. The two sides of the top rain shield 12 of the raised plate 121 are connected as one unit. The raised plate 121 extends in the center direction of the main frame body 1 and forms a height difference. The central top plate 122 is laid at the top splice of the raised plate 121, covering the central area of ​​the main frame body 1. The bottom surface of the central top plate 122 is fixedly connected to the bottom surface of the main frame body 1 with a support frame assembly 13. Support frames 2 are fixedly installed on both sides of the main frame body 1. A drive assembly 3 is slidably installed at the bottom of the support frames 2. A secondary frame body 4 is movably installed inside the main frame body 1.

[0014] In this implementation scheme, the main frame body 1 is rectangular in shape, and the top rain shield 12 adopts a herringbone frame structure. The side rain shields 11 of the main frame body 1 and the top rain shield 12 work together to form a closed rain-proof space, preventing external rainwater from entering the greenhouse and providing a rain-free experimental environment for crop drought resistance assessment. The raised plate 121 of the top rain shield 12 is an inclined plate structure, which is integrally connected to the top rain shield 12 and extends towards the center to form a height difference, which can guide rainwater on the roof to flow to both sides and prevent rainwater from accumulating on the roof. At the same time, the vertical plate structure enhances the structural support of the top rain shield 12. For enhanced strength, the central top plate 122 covers the central area of ​​the main canopy frame and, together with the raised plate 121, forms a complete canopy roof, further strengthening the rain-shielding effect. Its inclined design also assists in rainwater diversion, reducing the risk of water accumulation on the roof. The support frame assembly 13 connects the bottom surface of the central top plate 122 to the bottom surface of the main canopy frame body 1, providing stable structural support for the top rain shield 12, preventing deformation or collapse due to its own weight or rainwater load, and ensuring the structural stability of the canopy frame. The support frame 2 is fixedly installed on both sides of the main canopy frame body 1, further strengthening the lateral structural strength of the main canopy frame and distributing the load on the main canopy frame. Providing a mounting platform for subsequent equipment such as electrical components, the drive component 3 slides with the bottom of the supporting frame 2 to drive the main frame body 1 to move along a preset path, realizing the opening and closing adjustment of the frame. This facilitates adjusting the coverage area of ​​the frame according to experimental needs. The secondary frame body 4 is movably installed inside the main frame. The secondary frame body 4 can be designed as a three-section structure to expand or shrink the coverage area of ​​the frame in conjunction with the movement of the main frame. The three sections of the frame can flexibly extend and retract along the guide rail 31, and the overall expansion and contraction are achieved through electric control. This adapts to drought resistance identification experiments of crops with different planting scales, improving the space utilization rate of the frame. The accompanying experimental pool adopts a rectangular design, which differs from the conventional square experimental pool. This design is more in line with the planting specifications of row-sown crops such as wheat, facilitating row sowing operations and field experimental management. The experimental pool is 1.8 meters deep, which is deeper than conventional experimental pools, providing ample space for crop root growth. It also facilitates in-depth experimental research such as soil moisture stratification monitoring and root growth observation. The pool body is made of integral concrete, and the concrete isolation achieves efficient waterproofing, effectively preventing soil moisture infiltration and exchange between the inside and outside of the pool. This ensures stable and controllable soil moisture conditions in the drought treatment group and guarantees the accuracy of experimental data.

[0015] Overall effect: The inclined design of the top rain shield 12 and the height difference structure of the raised plate 121 can not only achieve full-area rain protection, but also quickly guide rainwater to the sides to avoid water accumulation on the roof, ensuring the stability of the "rainless environment" in the drought resistance identification test. The cooperation between the support frame assembly 13 and the support frame 2 greatly improves the load-bearing and deformation resistance of the shed, which can adapt to the loads in complex farmland environments, such as wind, rain and snow, and reduce the risk of damage to the shed. The drive assembly 3 realizes flexible adjustment of the shed coverage area, which can meet the concentrated rain protection needs of large-area crops, and can also adapt to the precise control of small-area tests, improving the versatility of the drought resistance shed's applicable scenarios. Compared with the traditional design of multiple sets of guide rails 31 with different lengths, the sliding drive assembly 3 of this structure has stronger adaptability to ground flatness, reduces the jamming problem caused by farmland ground settlement / unevenness, and reduces construction and maintenance costs.

[0016] Specifically, the support frame assembly 13 includes a bottom support frame 131 and a top support frame 132. The bottom support frames 131 are distributed at intervals along the length of the main canopy body 1. The top support frame 132 is laterally connected to the top of the bottom support frame 131, and the bottom surface of the top rain shield 12 is fixedly attached to the top support frame 132.

[0017] In this embodiment, the bottom support frame 131 is spaced out along the length of the main frame 1, which can evenly bear the weight of the shed and the top rain shield 12, distributing the load to the ground and avoiding local pressure concentration that could cause the bottom of the shed to settle or deform. The spaced-out structure forms a longitudinal support frame, which improves the bending resistance of the main frame 1 in the length direction and reduces the problem of the shed sagging in the middle due to its large span, thus meeting the rain protection needs of long-distance planting areas in farmland. The top support frame 132 is horizontally connected to the top of the bottom support frame 131 to form a horizontal support plane, so that the bottom surface of the top rain shield 12 can fit completely with the top support frame 132. To ensure the flatness of the top rain shield 12 after installation and prevent warping and leakage due to uneven support, the horizontal connection structure evenly transfers the load of rainwater and snow on the top rain shield 12 to the bottom support frame 131, further optimizing the stress distribution and improving the deformation resistance of the top rain shield 12. The bottom and top support frames 132 work together to form a three-dimensional support frame of "longitudinal + transverse", which not only ensures the overall structural strength of the main shed body 1, but also adapts to the inclined installation requirements of the top rain shield 12, while reducing the load-bearing pressure of a single support component, extending the service life of the shed, and making it suitable for long-term outdoor use in farmland.

[0018] Specifically, the support frame 2 includes a rectangular support frame 21 and a central support frame 211. The rectangular support frame 21 is connected to the side of the main frame body 1. The central support frame 211 is located inside the rectangular support frame 21, and the top of the central support frame 211 is adapted to fit the bottom surface of the top rain shield 12.

[0019] In this embodiment, the rectangular support frame 21 is fixedly connected to the side of the main shed body 1, forming a stable lateral support from both sides of the main shed body. This compensates for the structural weakness of the main shed body 1, which is supported only by the bottom support frame 131. It enhances the overall resistance to overturning and lateral wind force of the main shed body, preventing the shed from tilting or collapsing during strong winds in farmland. When the side rain shield 11 is subjected to rainwater impact or snow accumulation, the rectangular support frame 21 can evenly distribute the load transmitted by the side rain shield 11 to the ground, preventing the side rain shield 11 from cracking or falling off due to excessive local stress, and ensuring the airtightness of the shed body in providing rain protection. The central support frame 211 is set inside the rectangular support frame 21, and its top is adapted to fit the bottom surface of the top rain shield 12. The side area of ​​the canopy body 1 provides partial support for the top rain shield 12, forming a "center + side" full-area support network with the top support frame 132. This solves the problem of warping and water leakage caused by insufficient support at the edge area of ​​the top rain shield 12. The central support frame 211 forms longitudinal or transverse reinforcing ribs inside the rectangular support frame 21, improving the structural rigidity of the rectangular support frame 21 itself, preventing the frame from deforming due to long-term load, and extending the overall service life of the support canopy 2. Its top is designed to fit and conform to the bottom surface of the top rain shield 12, and its support angle can be adjusted according to the tilt angle of the top rain shield 12 to ensure the fit and stability of the support. This does not affect the rainwater diversion function of the top rain shield 12, and can accurately transmit the support force.

[0020] Specifically, the drive assembly 3 includes a guide rail 31 and a drive motor 32. The guide rail 31 is set on the ground along the length of the main frame body 1. The bottom of the main frame body 1 is slidably engaged with the guide rail 31. The drive motor 32 is connected to the main frame body 1 and is used to drive the main frame body 1 to move along the guide rail 31.

[0021] In this embodiment, the guide rail 31 is laid on the ground along the length of the main shed body 1, providing a precise guiding path for the movement of the main shed body, strictly limiting the movement trajectory of the shed, and avoiding problems such as lateral deviation and tilting of the shed during adjustment, ensuring the stability and precise alignment of the opening and closing adjustment of the shed. At the same time, the guide rail 31 can disperse the pressure on the bottom of the main shed body 1, reducing the direct crushing damage of the shed to the farmland ground, adapting to the ground protection needs in farmland cultivation scenarios, and preventing damage to the crop planting area due to the movement of the shed. The drive motor 32 serves as the power source for the movement of the shed and is directly connected to the main shed body 1, providing continuous driving force for the movement of the shed along the guide rail 31. The motor drive can achieve stable control of the running speed, and can match the corresponding movement rate according to the actual needs of crop drought resistance assessment, avoiding excessively fast movement or jamming caused by manual operation, further improving the stability and accuracy of the shed adjustment.

[0022] Specifically, the drive assembly 3 also includes a controller 33 and a power module 34. The controller 33 is electrically connected to the drive motor 32 and is used to control the start, stop and running speed of the drive motor 32. The power module 34 is installed on the electrical box support frame 23 of the support frame 2 to provide power to the drive assembly 3.

[0023] In this embodiment, the controller 33 is electrically connected to the drive motor 32, serving as the "control core" of the drive assembly 3. It can precisely control the start and stop of the drive motor 32, preventing accidental start-up or sudden stop of the motor that could lead to uncontrolled movement of the greenhouse structure. Simultaneously, it can flexibly adjust the operating speed of the drive motor 32, matching the appropriate movement rate according to the actual needs of crop drought resistance assessment, thus improving the accuracy of greenhouse structure adjustment. The power module 34, as the "power source" of the drive assembly 3, provides continuous and stable power output to electrical components such as the drive motor 32 and controller 33, preventing damage caused by voltage fluctuations. The movement caused abnormal motor operation and controller 33 failure. To ensure the stable operation of the drive component 3, the power module 34 is installed on the electrical box support frame 23 of the supporting shed 2. This installation method not only utilizes the structural space of the supporting shed 2 and avoids the power module 34 being directly placed on the ground and contaminated by farmland water and soil, but also reduces the damage to the power module 34 caused by external impact through the protective function of the electrical box support frame 23. At the same time, the power module 34 has built-in insulation, lightning protection and other protective structures, which are suitable for the complex outdoor power environment of farmland and reduce safety hazards such as leakage and lightning strikes.

[0024] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A drought-resistant greenhouse for crops that is easy to adjust, characterized in that: The system includes a main frame body (1), which includes side rain shields (11) and a top rain shield (12). The top rain shield (12) is fixedly installed on both sides of the side rain shields (11). The top rain shield (12) is composed of a raised plate (121) and a central top plate (122). The top rain shield (12) and the central top plate (122) are inclined plate structures, and the raised plate (121) is a vertical plate structure. The top rain shields (12) on both sides of the raised plate (121) are connected as one unit. The central top plate (122) extends in the center direction of the main frame body (1) and forms a height difference. The central top plate (122) is laid at the top splice of the raised plate (121) and covers the central area of ​​the main frame body (1). The bottom surface of the central top plate (122) is fixedly connected to the bottom surface of the main frame body (1) with a support frame assembly (13). Support frames (2) are fixedly installed on both sides of the main frame body (1). A drive assembly (3) is slidably installed at the bottom of the support frames (2). A secondary frame body (4) is movably installed inside the main frame body (1).

2. The easily adjustable drought-resistant greenhouse for crops according to claim 1, characterized in that: The support frame assembly (13) includes a bottom support frame (131) and a top support frame (132). The bottom support frame (131) is distributed at intervals along the length of the main frame body (1). The top support frame (132) is horizontally connected to the top of the bottom support frame (131), and the bottom surface of the top rain shield (12) is fixedly attached to the top support frame (132).

3. The easily adjustable drought-resistant greenhouse for crops according to claim 1, characterized in that: The supporting frame (2) includes a rectangular supporting frame (21) and a central supporting frame (211). The rectangular supporting frame (21) is connected to the side of the main frame body (1). The central supporting frame (211) is located inside the rectangular supporting frame (21), and the top of the central supporting frame (211) is fitted to the bottom surface of the top rain shield (12).

4. The easily adjustable drought-resistant greenhouse for crops according to claim 1, characterized in that: The drive assembly (3) includes a guide rail (31) and a drive motor (32). The guide rail (31) is set on the ground along the length of the main frame body (1). The bottom of the main frame body (1) is slidably engaged with the guide rail (31). The drive motor (32) is connected to the main frame body (1) and is used to drive the main frame body (1) to move along the guide rail (31).

5. The easily adjustable drought-resistant greenhouse for crops according to claim 1, characterized in that: The drive assembly (3) also includes a controller (33) and a power module (34). The controller (33) is electrically connected to the drive motor (32) and is used to control the start, stop and running speed of the drive motor (32). The power module (34) is installed on the electrical box support frame (23) of the support frame (2) to provide power to the drive assembly (3).

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