Greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame

Abstract

This invention provides a three-dimensional planting suspension structure for greenhouse vegetables with a layered adjustable support frame, relating to the field of greenhouse technology. The invention includes multiple arc-shaped supports, with both ends inserted into the ground for fixation. Connectors are fixedly connected to the bottom of each arc-shaped support. Multiple arc-shaped supports are connected to horizontal supports via connectors and locked together with bolts to form a complete greenhouse frame. Planting trays are installed inside the greenhouse frame using assembly units. The planting trays are hung inside the greenhouse frame and fixed using hanging units. This invention utilizes a pre-positioning clamping ring and an assembly structure where a drive motor drives a drive wheel to automatically close the locking ring, eliminating the need for manual tightening at heights and significantly reducing the installation and disassembly time of the planting trays. Simultaneously, the modular assembly structure facilitates independent inspection and replacement of individual planting trays without altering the overall greenhouse frame.

Description

Technical Field

[0001] This invention relates to the field of greenhouse technology, and in particular to a three-dimensional planting suspension structure for greenhouse vegetables with a layered adjustable support frame. Background Technology

[0002] With the rapid development of facility agriculture, greenhouse vegetable cultivation, as a core model for stable off-season vegetable supply, has become an important component of modern agricultural industrialization. To improve greenhouse land utilization and yield per unit area, vertical farming has been widely applied in various greenhouse vegetable cultivation scenarios. This model, by vertically arranging multi-layered planting structures inside the greenhouse, fully utilizes the unused vertical space, breaking through the spatial limitations of traditional planar planting and becoming a core technological direction for improving the efficiency of greenhouse cultivation.

[0003] Currently, planting trays in greenhouse vertical farming structures are generally fixed to the horizontal support frame of the greenhouse using bolts. During installation, the installation brackets of the planting trays must first be aligned with the horizontal supports of the greenhouse. Then, operators climb to the corresponding height within the greenhouse and manually insert multiple sets of bolts through the alignment holes on the brackets and the frame, tightening the nuts one by one to secure them. Disassembly requires repeating the above steps in reverse, removing each bolt before the planting tray can be removed.

[0004] The vertical planting space in greenhouses is quite high, requiring operators to perform delicate operations such as bolt alignment and tightening at heights. This not only presents significant challenges and a high risk of falls from heights, but also necessitates the alignment and tightening of multiple bolts for the installation of a single planting tray. Installation and disassembly are extremely time-consuming, especially during crop rotation when large-scale disassembly and assembly of planting trays are required. This significantly increases labor and time costs in the planting process. Currently, the planting trays are connected to the greenhouse frame using a fixed bolted structure, rather than a modular, independent assembly design. When a single planting tray is damaged, requires cleaning, maintenance, or adjustments to the planting layout, it is necessary to disassemble the surrounding connecting structures and even alter the original assembly of the greenhouse frame. This makes independent disassembly, repair, and replacement of individual planting trays impossible, resulting in extremely poor maintenance flexibility and difficulty in quickly adapting to the planting layout adjustments needed for different types of vegetables, thus hindering the widespread application of vertical greenhouse planting methods. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a three-dimensional planting suspension structure for greenhouse vegetables with a layered adjustable support frame.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a three-dimensional planting and suspension structure for greenhouse vegetables with a layered adjustable support frame, comprising multiple arc-shaped supports. The two ends of each arc-shaped support are inserted into the ground for fixation. Connectors are fixedly connected to the bottom of each arc-shaped support. Multiple arc-shaped supports are connected to horizontal supports via connectors and locked together with bolts to form a complete greenhouse frame. Planting trays are installed inside the greenhouse frame using assembly units. The planting trays are hung inside the greenhouse frame and fixed using hanging units. The upper end of each planting tray is recessed to form a planting area, which can be filled with nutrient soil. A permeable trough is provided at the bottom of the planting tray, extending from the planting area through the planting tray to allow water to permeate and prevent excessive wetting of the nutrient soil.

[0007] Preferably, the assembly unit includes multiple connecting arms, which are fixedly connected to the side of the planting tray. The free end of the connecting arm is fixedly connected to a clamping ring. The planting tray can be clamped on a horizontal support by means of the clamping ring to assemble one side of the planting tray. The planting trays located in the vertical direction are supported by a hanging unit to fix the other side of the planting tray.

[0008] Preferably, a guide frame is fixedly connected to the surface of the clamping ring, and a locking ring is fitted onto the surface of the clamping ring. The locking ring can rotate around the central axis of the clamping ring to seal the port of the clamping ring. The locking ring can be used in conjunction with the clamping ring to clamp onto the transverse support surface. A blocking plate is fixedly connected to the port of the locking ring, and the blocking plate can be used to prevent the locking ring from falling off when it slides inside the guide frame.

[0009] Preferably, the surface of the connecting arm is provided with a driving unit, wherein the driving unit can drive the locking ring to slide along the surface of the clamping ring to lock the lateral support.

[0010] Preferably, the drive unit includes an assembly frame fixedly mounted on the upper end of the connecting arm. A diagonal rod is fixedly connected between the assembly frame and the connecting arm, wherein the diagonal rod, the connecting arm, and the assembly frame form a triangular structure. A track block is slidably connected to the surface of the diagonal rod, and a drive motor is fixedly connected to the surface of the track block. The output shaft of the drive motor can drive the drive wheel to rotate. The drive wheel is in contact with the locking ring. When the drive wheel rotates, it can drive the locking ring to slide along the surface of the clamping ring to close and lock the port of the clamping ring.

[0011] Preferably, a retaining spring is fitted onto the surface of the inclined rod. The retaining spring's extension force can drive the drive motor to keep the drive wheel constantly in contact with the surface of the locking ring. A rubber ring is fitted onto the surface of the drive wheel, which can increase the friction between the drive wheel and the locking ring.

[0012] Preferably, the surface of the drive wheel is provided with a locking unit, wherein the locking unit allows the drive wheel to rotate in one direction to drive the locking ring to slide along the clamping ring to seal the clamping ring.

[0013] Preferably, the locking unit includes a track ring formed on the surface of the drive wheel. A limiting strip is fixedly connected inside the track ring, and the limiting strip evenly divides the interior of the track ring into multiple regions. A sliding frame is fixedly connected to the surface of the connecting arm. A guide rod is slidably inserted inside the sliding frame. A limiting piece is fixedly connected to one end of the guide rod. The limiting piece can be inserted into the region divided by the limiting strip. One end of the limiting piece is provided with an inclined surface. When the drive wheel rotates and drives the locking ring to slide along the surface of the clamping ring to block the clamping ring, it can squeeze the limiting piece along the inclined surface. When the drive wheel has a tendency to rotate in the opposite direction, the limiting piece can be used to lock in the region to prevent the drive wheel from rotating in the opposite direction. A return spring is sleeved on the surface of the guide rod. The two ends of the return spring are fixed to the sliding frame and the guide rod, respectively. The elastic force of the return spring can be used to keep the limiting piece always having a tendency to be locked in the region.

[0014] Preferably, the hanging unit includes a top fixing frame that can be hung between the horizontal supports at the upper end of the greenhouse frame. A sliding block is slidably connected to the surface of the top fixing frame. A clamping arm is provided on the surface of the planting tray. The clamping arm clamps and supports the bottom of the planting tray. A clamping piece is provided at the upper end of the clamping arm to prevent the planting tray from detaching from the clamping arm. A track rod is fixedly connected to the bottom end of the clamping arm. A sliding seat is slidably connected to the surface of the track rod. A pull rod is fixedly connected to the bottom of both the sliding seat and the sliding block. An assembly ring is fixedly connected to the side of the clamping arm. The pull rod can pass through the assembly ring. A nut is threaded on the surface of the pull rod. The nut can be used to hang and fix the end of the clamping arm with the pull rod. The position of the sliding block and the sliding seat can be adjusted to adapt to planting trays of different sizes.

[0015] Preferably, the uppermost transverse support surface of the greenhouse frame passes through a cable, wherein the two ends of the cable are fixed to the top fixing frame to lift the middle of the top fixing frame.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are as follows: 1. In this invention, by using vertically layered planting trays combined with a double-fixed three-dimensional planting structure consisting of horizontal assembly of assembly units and vertical hanging of hanging units, the vertical unused space inside the greenhouse is fully utilized, breaking through the spatial limitations of traditional flat greenhouse planting. The number of layers and vertical spacing of the planting trays can be flexibly adjusted according to planting needs, significantly increasing the vegetable planting volume and annual yield per unit area without increasing the greenhouse floor area.

[0017] 2. This invention uses an assembly structure with a clamping ring for pre-positioning and a drive motor to drive the drive wheel to automatically lock the locking ring in a closed loop. This replaces the traditional method of manually tightening bolts at height, eliminating the need for operators to manually tighten the bolts at height. This significantly shortens the installation and disassembly time of the planting trays, reduces the difficulty and labor costs of crop rotation, and the modular assembly structure facilitates the independent inspection and replacement of individual planting trays without altering the overall greenhouse frame.

[0018] 3. This invention, through a sliding block that can slide laterally along the top fixed frame and a sliding seat that can slide laterally along the track rod, allows for flexible adjustment of the lateral spacing of the hanging structure, adapting to planting trays of different widths and sizes. Simultaneously, the clamping ring can be installed and fixed at any axial position of the lateral support. The hanging height of the hanging unit can be flexibly adjusted via the locking nut, adapting to the planting needs of different varieties, heights, and growth cycles of vegetables such as leafy greens, melons, and seedlings. The planting mode can be adjusted without modifying the greenhouse frame, significantly reducing the modification costs and equipment investment for growers.

[0019] 4. The present invention uses a permeable trough at the bottom of the planting tray to quickly drain excess irrigation water from the planting area, avoiding root rot caused by long-term dampness of the nutrient soil. The vertically layered hanging planting layout ensures that vegetables in each layer of the planting tray receive uniform light and ventilation, solving the problems of insufficient light and poor ventilation for crops in the lower layer of traditional three-dimensional planting racks, reducing the probability of pests and diseases, and significantly improving the growth quality and survival rate of vegetables. Attached Figure Description

[0020] Figure 1 This invention provides a schematic diagram of a three-dimensional structure for a greenhouse vegetable three-dimensional planting and hanging structure with a layered adjustable support frame. Figure 2 This invention presents another structural schematic diagram of a three-dimensional planting and hanging structure for greenhouse vegetables with a layered adjustable support frame. Figure 3 This invention provides a partial schematic diagram of the planting tray in a three-dimensional greenhouse vegetable planting suspension structure with a layered adjustable support frame. Figure 4 This invention provides a partial schematic diagram of the assembly unit in a three-dimensional greenhouse vegetable planting suspension structure with a layered adjustable support frame. Figure 5 This invention proposes a three-dimensional planting suspension structure for greenhouse vegetables with a layered adjustable support frame. Figure 4 Another perspective illustration; Figure 6 This invention provides a partial schematic diagram of the hanging unit in a three-dimensional greenhouse vegetable planting suspension structure with a layered adjustable support frame. Figure 7 This invention proposes a three-dimensional planting suspension structure for greenhouse vegetables with a layered adjustable support frame. Figure 5 Enlarged view of point A; Figure 8 This invention proposes a three-dimensional planting suspension structure for greenhouse vegetables with a layered adjustable support frame. Figure 6 Enlarged view of point B.

[0021] Legend: 1. Arc-shaped support; 2. Connector; 3. Lateral support; 4. Planting tray; 5. Assembly unit; 51. Connecting arm; 52. Clamping ring; 53. Guide frame; 54. Locking ring; 55. Blocking plate; 56. Assembly frame; 57. Diagonal bar; 58. Anti-locking spring; 59. Drive motor; 510. Drive wheel; 511. Rubber ring; 512. Track block; 6. Locking unit; 61. Track ring; 62. Limiting strip; 63. Sliding frame; 64. Guide rod; 65. Return spring; 66. Limiting plate; 7. Hanging unit; 71. Top fixing frame; 72. Cable; 73. Sliding block; 74. Pull rod; 75. Clamping arm; 76. Clamping piece; 77. Track rod; 78. Sliding seat; 79. Assembly ring. Detailed Implementation

[0022] Example 1, such as Figure 1-8As shown, a three-dimensional greenhouse vegetable planting suspension structure with a layered adjustable support frame includes multiple sets of arc-shaped supports 1 evenly spaced along the longitudinal direction of the greenhouse. The arc-shaped supports 1 can be made of galvanized anti-corrosion material suitable for the high humidity planting environment of the greenhouse to extend its service life. The two ends of each set of arc-shaped supports 1 are vertically inserted into the planting ground inside the greenhouse to form a stable bottom fixed foundation. Connectors 2 are fixedly connected to both sides of the bottom of each set of arc-shaped supports 1. The connectors 2 can be fixedly connected to the arc-shaped supports 1 by welding to ensure the load-bearing strength of the connection structure. The multiple sets of arc-shaped supports 1 spaced along the longitudinal direction are connected to transverse supports 3 extending horizontally along the longitudinal direction of the greenhouse through the connectors 2 at corresponding positions. The transverse supports 3 can be arranged in multiple sets at different heights of the arc-shaped supports 1 according to the planting layering requirements to adapt to different planting installation requirements. After the transverse supports 3 are inserted into the connectors 2, they are locked and fixed by matching bolts. The multiple sets of arc-shaped supports 1 and multiple transverse supports 3 are spliced ​​together to form a three-dimensional greenhouse frame with stable load-bearing capacity and flexible adaptation to the planting layout. The internal space of the three-dimensional greenhouse frame is equipped with multiple sets of vertically layered planting trays 4. The planting trays 4 can be made of food-grade environmentally friendly materials to meet the food safety requirements of vegetable cultivation. The upper end of the planting tray 4 is concave to form a planting area for accommodating nutrient soil and vegetable plants. The inner wall of the planting area can be smoothed to facilitate the cleaning of residual crop roots and waste nutrient soil when changing crops. The bottom of the planting tray 4 has multiple sets of vertically connected permeable channels. The inside of the permeable channels can be filled with a breathable and soil-barrier filter medium to prevent nutrient soil from being lost with water flow. The upper end of the permeable channel is connected to the bottom of the planting area, and the lower end of the permeable channel extends through the bottom wall of the planting tray 4 to the outside, so that excess irrigation water in the planting area can be drained smoothly, avoiding the nutrient soil from being in an overly moist state for a long time, which will affect the normal respiration and growth of vegetable roots. Each planting tray 4 is assembled and fixed to the lateral support 3 at the corresponding height by the assembly unit 5. The assembly unit 5 includes multiple connecting arms 51 fixedly connected to the outer wall of the planting tray 4. The connecting arms 51 can be integrally formed with the side wall of the planting tray 4 to ensure the long-term stability of the connection structure. The multiple connecting arms 51 can be symmetrically arranged on both sides of the planting tray 4 to ensure that the planting tray 4 is evenly stressed and avoids tilting and shaking. Each connecting arm 51 has a clamping ring 52 with its opening facing the lateral support 3 fixedly connected to its free end away from the planting tray 4. The inner wall of the clamping ring 52 can be provided with anti-slip texture to increase the friction when in contact with the lateral support 3. The planting tray 4 can be inserted into the outer wall of the lateral support 3 through the opening of the clamping ring 52, so that the clamping ring 52 hugs and clamps the outside of the lateral support 3, realizing the lateral assembly and limiting fixation of the planting tray 4 on one side.A guide frame 53 is fixedly connected to the outer wall of the clamping ring 52. The guide frame 53 can be integrally formed with the outer wall of the clamping ring 52 to ensure the accuracy and stability of the guiding action. A locking ring 54 that can slide and rotate around the circumference of the clamping ring 52 is also fitted on the outer wall of the clamping ring 52. The inner wall of the locking ring 54 can be smoothly polished to reduce the frictional resistance during the sliding process. One end of the locking ring 54 can slide along the inside of the guide frame 53. When the locking ring 54 slides around the circumference of the clamping ring 52, it can seal the clamping ring. The open end of the retaining ring 52 allows the locking ring 54 and the clamping ring 52 to cooperate to form a complete closed-loop structure that surrounds and clamps the outer wall of the transverse support 3. A blocking plate 55 is fixedly connected to one end of the locking ring 54 that extends into the guide frame 53. The blocking plate 55 can be welded and fixed to the end of the locking ring 54 to ensure the structural strength when it is limited. The blocking plate 55 can form a limiting cooperation with the inner wall of the guide frame 53 when the locking ring 54 slides to the limit position to prevent the locking ring 54 from falling off the outer wall of the clamping ring 52. The upper surface of the connecting arm 51 is provided with a drive unit for driving the locking ring 54 to slide. The drive unit includes an assembly frame 56 that is detachably fixed to the upper end face of the connecting arm 51, facilitating subsequent maintenance and replacement of related components of the drive unit. A diagonal rod 57 is fixedly connected between the assembly frame 56 and the upper end face of the connecting arm 51. The two ends of the diagonal rod 57 are welded and fixed to the assembly frame 56 and the connecting arm 51, respectively, so that the diagonal rod 57 and the connecting arm 51 and the assembly frame 56 form a structurally stable triangular support structure, avoiding vibration and displacement during the driving process. A track block 512 is slidably connected to the outer wall of the diagonal rod 57. The inner wall of block 512 can be smoothed to reduce resistance during sliding. A drive motor 59 is fixedly installed on the surface of track block 512. The drive motor 59 can be a waterproof and dustproof sealed motor suitable for the humid and dusty environment of greenhouse to extend its service life. A drive wheel 510 is fixedly connected to the output shaft of drive motor 59. The wheel surface of drive wheel 510 is tightly fitted and pressed against the outer wall of locking ring 54. When drive motor 59 starts, it can drive drive wheel 510 to rotate around its own axis. Then, through the friction between wheel surface and locking ring 54, locking ring 54 is driven to slide around clamping ring 52 in the circumference, completing the closing and locking action of the opening end of clamping ring 52.A retaining spring 58 is fitted on the outer wall of the inclined rod 57. The retaining spring 58 can be made of stainless steel anti-corrosion material to adapt to the humid environment inside the greenhouse and avoid rust and failure. The two ends of the retaining spring 58 abut against the side wall of the assembly frame 56 and the side wall of the track block 512, respectively. The elongation force of the retaining spring 58 can continuously push the track block 512 along the axial direction of the inclined rod 57, thereby driving the drive motor 59 on the track block 512 to move synchronously with the drive wheel 510, so that the wheel surface of the drive wheel 510 always keeps in close contact with the outer wall of the locking ring 54. A rubber ring 511 is also fitted on the wheel surface of the drive wheel 510. The rubber ring 511 can be made of wear-resistant and non-slip high-friction rubber material. The rubber ring 511 can be fixed to the wheel surface of the drive wheel 510 by adhesive to prevent displacement and fall off during transmission. The rubber ring 511 can effectively increase the transmission friction between the drive wheel 510 and the outer wall of the locking ring 54 and prevent slippage during driving. A locking unit 6 is provided on the end face of the drive wheel 510. The locking unit 6 can restrict the rotation direction of the drive wheel 510, so that the drive wheel 510 can only rotate in the direction of the drive locking ring 54 blocking the opening end of the clamping ring 52. This prevents the drive wheel 510 from rotating in the opposite direction due to vibration inside the greenhouse or external force, which would cause the locking ring 54 to retract and loosen, thus ensuring the long-term stability of the clamping and locking state.The locking unit 6 includes a track ring 61 coaxially formed on the end face of the drive wheel 510. The track ring 61 can be integrally formed with the end face of the drive wheel 510 to ensure the arrangement accuracy of the internal structure. Multiple sets of limiting strips 62 are uniformly fixedly connected to the inner wall of the track ring 61 along the circumference. The limiting strips 62 can be fixed to the inner wall of the track ring 61 by welding to ensure connection strength. The multiple sets of limiting strips 62 divide the interior of the track ring 61 into multiple circumferentially uniformly arranged limiting grooves. The surface of the connecting arm 51 is also... The locking unit is fixedly connected to a sliding bracket 63 for easy inspection and maintenance. A guide rod 64 is slidably inserted into the interior of the sliding bracket 63 along the radial direction of the drive wheel 510. The outer wall of the guide rod 64 can be smoothed to reduce resistance during sliding. A limit piece 66 is fixedly connected to one end of the guide rod 64 facing the drive wheel 510. The limit piece 66 can be welded to the end of the guide rod 64 to ensure structural strength during anti-reverse limiting. The limit piece 66 can slide and insert with the guide rod 64. In the limiting groove within the track ring 61, the limiting plate 66 has a smooth guide slope on the side facing the forward rotation direction of the drive wheel 510. When the drive wheel 510 rotates forward, driving the locking ring 54 to block the clamping ring 52, the guide slope can press the limiting plate 66, causing the guide rod 64 to retract radially outward, allowing the drive wheel 510 to smoothly complete the forward rotation. When the drive wheel 510 is subjected to external force and tends to rotate in the opposite direction, the straight end of the limiting plate 66 will engage in the corresponding limiting groove to form a counter-rotation stop. The limit switch directly prevents the drive wheel 510 from rotating in the opposite direction. A return spring 65 is also fitted on the outer wall of the guide rod 64. The return spring 65 can be made of stainless steel anti-corrosion material to avoid rusting and failure in humid environments. The two ends of the return spring 65 are fixedly connected to the side wall of the sliding frame 63 and the end of the guide rod 64, respectively. The compression force of the return spring 65 can continuously drive the guide rod 64 to move the limit piece 66 toward the drive wheel 510, so that the limit piece 66 always maintains the tendency to insert into the limit groove.Multiple planting trays 4 arranged vertically in layers are also vertically suspended and fixed inside the three-dimensional greenhouse frame by a hanging unit 7. The hanging unit 7 includes a top fixing frame 71 horizontally mounted between two adjacent sets of horizontal supports 3 at the top of the greenhouse frame. The two ends of the top fixing frame 71 can be provided with overlapping slots adapted to the horizontal supports 3 to achieve quick installation and disassembly. At least two sets of sliding blocks 73 are slidably connected on the outer wall of the top fixing frame 71. The inner wall of the sliding block 73 can be provided with a sliding guide structure adapted to the top fixing frame 71 to ensure stability during the sliding process. The bottom of the planting tray 4 Two sets of symmetrically arranged clamping arms 75 are provided. The clamping arms 75 can be made of high-strength steel with a certain degree of elasticity to adapt to the clamping requirements of planting trays 4 with different bottom contours. The two sets of clamping arms 75 can hug and clamp the bottom of the planting tray 4 from both sides to form a stable lifting support. The upper end of each set of clamping arms 75 is fixedly connected to an inwardly bent clamping piece 76. The clamping piece 76 can be integrally bent with the upper end of the clamping arm 75 to ensure structural strength. The clamping piece 76 can overlap the upper edge of the planting tray 4 to prevent the planting tray 4 from detaching upward from the upper end of the clamping arm 75. The two sets of clamping arms A horizontally extending track rod 77 is fixedly connected between the bottom ends of 75. Limiting end caps can be provided at both ends of the track rod 77 to prevent the sliding parts from falling off. A sliding seat 78 corresponding to the sliding block 73 is slidably connected to the outer wall of the track rod 77. The inner wall of the sliding seat 78 can be smoothed to reduce the resistance during sliding adjustment. A vertically extending pull rod 74 is fixedly connected to the bottom of each set of sliding seats 78 and the corresponding sliding block 73. The two ends of the pull rod 74 can be welded and fixed to the sliding block 73 and the sliding seat 78 respectively to ensure the stable transmission of the hanging tension. An assembly ring 79 is fixedly connected to the side wall of the clamping arm 75. The assembly ring 79 can be welded and fixed to the side wall of the clamping arm 75 to ensure load-bearing strength. The pull rod 74 can pass vertically through the assembly ring 79 at the corresponding position. A locking nut is threaded on the outer wall of the pull rod 74. The locking nut can be screwed to fit tightly against the upper and lower end faces of the assembly ring 79 to realize the vertical hanging and fixing of the clamping arm 75 and the planting tray 4. By adjusting the lateral position of the sliding block 73 on the top fixing frame 71 and the lateral position of the sliding seat 78 on the track rod 77, the hanging and installation requirements of planting trays 4 with different lateral sizes can be adapted.A cable 72 is threaded through the top horizontal support 3 of the greenhouse frame. The cable 72 can be made of anti-aging and high-strength material to adapt to the outdoor environment of the greenhouse. The two ends of the cable 72 can be fixedly connected to the two ends of the top fixing frame 71 through an adjustable locking structure, so as to facilitate the adjustment of the tension of the cable 72 according to the actual load. The two ends of the cable 72 are fixedly connected to the two ends of the top fixing frame 71 respectively. The cable 72 can form an upward lifting and reinforcing force on the middle of the top fixing frame 71, effectively offsetting the vertical load generated by the planting tray 4 suspended below, and preventing the top fixing frame 71 from bending and deforming due to long-term stress. Multiple sets of cables 72 can also be set according to the actual hanging load to further improve the load-bearing stability of the top fixing frame 71.

[0023] The working principle is as follows: First, the greenhouse frame is constructed. Multiple sets of arc-shaped supports 1 are arranged longitudinally along the greenhouse at preset intervals. The two ends of each set of arc-shaped supports 1 are vertically inserted into the greenhouse ground for fixation. Then, the horizontal supports 3 are passed through the corresponding connectors 2, and the horizontal supports 3 and connectors 2 are locked together with bolts, so that the multiple sets of arc-shaped supports 1 and horizontal supports 3 are spliced ​​together to form a stable three-dimensional greenhouse frame. After the frame is constructed, the planting tray 4 is assembled. The clamping ring 52 at the end of the connecting arm 51 on the side wall of the planting tray 4 is aligned with the horizontal support 3 at the corresponding height. The opening of the clamping ring 52 is inserted into the outer wall of the horizontal support 3, and the drive motor 59 is started to drive the drive wheel 510 to rotate forward. The drive wheel 510 drives the locking ring 54 to slide around the circumference of the clamping ring 52 through the friction between the drive wheel 510 and the locking ring 54, sealing the opening end of the clamping ring 52, so that the clamping ring 52 and the locking ring 54 cooperate to hug and lock onto the horizontal support 3, completing the assembly and fixation of one side of the planting tray 4. During the forward rotation of the drive wheel 510, the guide slope of the limiting plate 66 is squeezed by the limiting strip 62, causing the guide rod 64 to retract radially, allowing the drive wheel 510 to smoothly complete the forward rotation. When the locking ring 54 moves to the locking position, if the drive wheel 510 tends to rotate in the opposite direction due to external force or vibration, the limiting plate 66 will directly engage with the limiting groove in the track ring 61 to form a reverse stop, preventing the drive wheel 510 from rotating in the opposite direction, avoiding the locking ring 54 from retracting and loosening, and ensuring the long-term stability of the clamping state. The clamping spring 58 on the inclined rod 57 will continuously push the drive wheel 510 to adhere to the outer wall of the locking ring 54, and the rubber ring 511 on the surface of the drive wheel 510 will increase the transmission friction, preventing slippage during the drive process. After the assembly of one side of the planting tray 4 is completed, the vertical hanging and layered fixation of the planting tray 4 is completed by the hanging unit 7. The top fixing frame 71 is horizontally installed between the horizontal supports 3 at the top of the greenhouse. The top fixing frame 71 is connected to the topmost horizontal support 3 via cable 72, providing lifting and reinforcement. Two sets of clamping arms 75 are wrapped around and held at the bottom of the planting tray 4, with the clamping plates 76 at the upper end of the clamping arms 75 overlapping the upper surface of the planting tray 4 to complete the lifting and limiting. Based on the horizontal dimensions of the planting tray 4, the horizontal position of the sliding block 73 on the top fixing frame 71 and the horizontal position of the sliding seat 78 on the track rod 77 are adjusted. The pull rod 74 is passed through the assembly ring 79 on the side wall of the clamping arm 75 and tightened with a locking nut, completing the vertical hanging and fixing of the planting tray 4, realizing vertical layered three-dimensional planting of multiple planting trays 4. The drainage groove at the bottom of the planting tray 4 allows excess irrigation water in the planting area to drain smoothly, preventing the nutrient soil from becoming too wet and affecting the growth of vegetable roots. By adjusting the installation position of the clamping ring 52 on the horizontal support 3 and the hanging height of the hanging unit 7, the layer spacing and layout of the planting tray 4 can be flexibly adjusted to meet the planting needs of different types of vegetables and greatly improve the space utilization rate inside the greenhouse.

[0024] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention in any other way. Any person skilled in the art may utilize the disclosed technical content to make changes or modifications to create equivalent embodiments applicable to other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the scope of the present invention, still fall within the protection scope of the present invention. In the description of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood through specific circumstances.

Claims

1. A three-dimensional planting suspension structure for greenhouse vegetables with a layered adjustable support frame, comprising multiple arc-shaped supports (1), characterized in that: The two ends of the arc-shaped support (1) are inserted into the ground for fixation. The bottom of the arc-shaped support (1) is fixedly connected to the connector (2). Multiple arc-shaped supports (1) are inserted into the horizontal support (3) through the connector (2) and locked with bolts to form a complete greenhouse frame. The greenhouse frame is equipped with a planting tray (4) through the assembly unit (5). The planting tray (4) is hung inside the greenhouse frame through the hanging unit (7) for fixation.

2. The greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame according to claim 1, characterized in that: The assembly unit (5) includes multiple connecting arms (51), which are fixedly connected to the side of the planting tray (4). The free end of the connecting arm (51) is fixedly connected to a clamping ring (52). The planting tray (4) can be clamped on the horizontal support (3) by means of the clamping ring (52) to assemble one side of the planting tray (4). The planting trays (4) located in the vertical direction are supported by the hanging unit (7) to fix the other side of the planting tray (4).

3. The greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame according to claim 2, characterized in that: A guide frame (53) is fixedly connected to the surface of the clamping ring (52), and a locking ring (54) is fitted on the surface of the clamping ring (52). The locking ring (54) can rotate around the central axis of the clamping ring (52) on the surface of the clamping ring (52) to seal the port of the clamping ring (52). The locking ring (54) can be used in conjunction with the clamping ring (52) to clamp the surface of the transverse support (3). A blocking piece (55) is fixedly connected to the port of the locking ring (54). When the locking ring (54) slides inside the guide frame (53), the blocking piece (55) can be used to prevent it from falling off.

4. The greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame according to claim 3, characterized in that: The surface of the connecting arm (51) is provided with a driving unit, wherein the driving unit can drive the locking ring (54) to slide along the surface of the clamping ring (52) to lock the lateral support (3).

5. The greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame according to claim 4, characterized in that: The drive unit includes an assembly frame (56) fixedly installed on the upper end of the connecting arm (51). A diagonal rod (57) is fixedly connected between the assembly frame (56) and the connecting arm (51). The diagonal rod (57), the connecting arm (51), and the assembly frame (56) form a triangular structure. A track block (512) is slidably connected to the surface of the diagonal rod (57). A drive motor (59) is fixedly connected to the surface of the track block (512). The output shaft of the drive motor (59) can drive the drive wheel (510) to rotate. The drive wheel (510) fits against the locking ring (54). When the drive wheel (510) rotates, it can drive the locking ring (54) to slide along the surface of the clamping ring (52) to close and lock the port of the clamping ring (52).

6. The greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame according to claim 5, characterized in that: The surface of the inclined rod (57) is fitted with a retaining spring (58). The retaining spring (58) is fitted on the surface of the inclined rod (57). The elongation force of the retaining spring (58) can drive the drive motor (59) to keep the drive wheel (510) always in contact with the surface of the locking ring (54).

7. The greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame according to claim 6, characterized in that: The surface of the drive wheel (510) is provided with a locking unit (6), wherein the locking unit (6) allows the drive wheel (510) to rotate in one direction to drive the locking ring (54) to slide along the clamping ring (52) to seal the clamping ring (52).

8. The greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame according to claim 7, characterized in that: The locking unit (6) includes a track ring (61) formed on the surface of the drive wheel (510). A limiting strip (62) is fixedly connected inside the track ring (61), and the limiting strip (62) evenly divides the interior of the track ring (61) into multiple regions. A sliding frame (63) is fixedly connected to the surface of the connecting arm (51). A guide rod (64) is slidably inserted inside the sliding frame (63). A limiting piece (66) is fixedly connected to one end of the guide rod (64). The limiting piece (66) can be inserted into the regions divided by the limiting strip (62). One end of the limiting piece (66) is provided with an oblique angle. The drive wheel (510) rotates to drive the locking ring (54) to slide along the surface of the clamping ring (52) to seal the clamping ring (52). When the clamping ring (52) slides along the inclined surface, the limiting piece (66) can be squeezed along the inclined surface. When the drive wheel (510) has a tendency to rotate in the opposite direction, the limiting piece (66) can be used to lock in the area to prevent the drive wheel (510) from rotating in the opposite direction. The surface of the guide rod (64) is fitted with a return spring (65). The two ends of the return spring (65) are fixed to the sliding frame (63) and the guide rod (64) respectively. The elastic force of the return spring (65) can be used to make the limiting piece (66) always have a tendency to be locked in the area.

9. The greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame according to claim 1, characterized in that: The hanging unit (7) includes a top fixing frame (71) that can be hung between the horizontal supports (3) at the upper end of the greenhouse frame. The surface of the top fixing frame (71) is slidably connected with a sliding block (73). The surface of the planting tray (4) is provided with a clamping arm (75). The clamping arm (75) clamps and supports the bottom of the planting tray (4). The upper end of the clamping arm (75) is provided with a clamping piece (76), which can be used to prevent the planting tray (4) from detaching from the clamping arm (75). The bottom end of the clamping arm (75) is fixedly connected with a track rod (77). The track rod (77) is slidably connected to a sliding seat (78). The bottom of the sliding seat (78) and the sliding block (73) are both fixedly connected to a pull rod (74). The side of the clamping arm (75) is fixedly connected to an assembly ring (79). The pull rod (74) can pass through the assembly ring (79). The surface of the pull rod (74) is threaded with a nut. The nut can be used to hang and fix the end of the clamping arm (75) in conjunction with the pull rod (74). The position of the sliding block (73) and the sliding seat (78) can be adjusted to adapt to different sizes of planting trays (4).

10. The greenhouse vegetable three-dimensional planting suspension structure with layered adjustable support frame according to claim 9, characterized in that: The surface of the uppermost horizontal support (3) of the greenhouse frame passes through the cable (72), wherein the two ends of the cable (72) are fixed to the top fixing frame (71) to lift the middle of the top fixing frame (71).

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