Anti-hail net device with automatic folding and unfolding function

Abstract

The utility model relates to the technical field of anti-hail nets, and discloses an anti-hail net device with an automatic folding and unfolding function, which comprises a greenhouse framework, a placing box is fixedly arranged at the middle position of the top of the greenhouse framework, an access door is hinged to the top of the placing box, and winding rollers are arranged at the positions, close to the middle position, of an inner cavity of the placing box. The winding rollers are arranged on the left side and the right side, the anti-hail nets are wound on the peripheries of the winding rollers correspondingly, sliding plates are installed on the sides, away from each other, of the anti-hail nets correspondingly, square blocks are fixedly installed on the front sides and the rear sides of the winding rollers correspondingly, and square grooves are slidably connected to the peripheries of the square blocks correspondingly. According to the anti-hail net laying device, the adjacent winding rollers can be driven to rotate, so that an anti-hail net wound on the peripheries of the winding rollers can be unfolded, an operator can move the sliding plates towards the two sides, the anti-hail net can be laid conveniently, and the laying efficiency and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hailproof net technical field, concretely is a hailproof net device with automatic folding and unfolding function. BACKGROUND

[0002] Hailproof net covering cultivation is a practical environment-friendly agricultural new technology, which constructs an artificial isolation barrier by covering on the shed frame, rejects hail outside the net, effectively controls various hail, frost, rain and snow weather and prevents weather hazards. And has the effects of light transmission, hailproof net moderate shading and the like, creates favorable conditions for crop growth, ensures to greatly reduce the use of chemical pesticides in vegetable fields, makes the output crops high quality and hygienic, and provides strong technical guarantee for developing pollution-free green agricultural products.

[0003] When laying the hailproof net, multiple people need to stand on the framework to pull and flatten the hailproof net, and install the hailproof net on the framework through external tools. This installation method not only increases the working strength of the workers, but also increases the safety hazards of laying the hailproof net.

[0004] Therefore, the hailproof net device with automatic folding and unfolding function is proposed to solve the problems in the above. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a hailproof net device with automatic folding and unfolding function to solve the problems in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hailproof net device with automatic folding and unfolding function, comprising a greenhouse framework, a placing box is fixedly installed at the top middle position of the greenhouse framework, a maintenance door is hingedly connected to the top of the placing box, a winding roller is arranged at the inner cavity of the placing box close to the middle position, and the winding rollers are arranged left and right, a hailproof net is wound around the outer periphery of the winding rollers, a sliding plate is installed on the side away from the hailproof net, a square block is fixedly installed on the front and rear sides of the winding roller, a square groove is slidingly connected to the outer periphery of the square block, the two square grooves on the front side are rotatably connected to the inner cavity of the placing box on the front side, a driving assembly is arranged at the inner cavity close to the rear side of the placing box, and a dismounting assembly is arranged at the middle position of the rear side of the placing box.

[0007] The driving assembly comprises a connecting block rotatably connected to the outer periphery of the square groove and a T-shaped rod located at the rear side of the square groove, the rear ends of the T-shaped rods are movably penetrated through the inner cavity of the placing box on the rear side, a servo motor is fixedly installed on the side close to the other side of the rear side of the placing box, a worm is fixedly installed on the power output shaft of the servo motor, a worm wheel is engaged with the rear side of the worm, the worm wheel is fixedly sleeved on the outer periphery of the adjacent T-shaped rod, a synchronous wheel is fixedly installed on the rear end of the T-shaped rod, and a synchronous belt is commonly sleeved between the synchronous wheels.

[0008] Preferably, the rear side of the connecting block is fixedly installed with a limiting telescopic rod near both sides, and the rear end of the limiting telescopic rod is fixedly connected with the rear side of the inner cavity of the placing box.

[0009] Preferably, the rear side of the square groove is fixedly installed with a reset telescopic rod, the rear end of the reset telescopic rod is fixedly connected with the end of the T-shaped rod, the outer periphery of the reset telescopic rod is movably sleeved with a reset spring, and the two ends of the reset spring are fixedly connected with the square groove and the adjacent T-shaped rod.

[0010] Preferably, the front and rear sides of the sliding plate are fixedly installed with a compression telescopic rod A, the end of the compression telescopic rod A is fixedly installed with a T-shaped bent rod, the front and rear sides of the greenhouse framework are provided with limiting holes near both sides, the tail end of the T-shaped bent rod is movably inserted into the inner cavity of the adjacent limiting hole, the outer periphery of the compression telescopic rod A is movably sleeved with a compression spring B, and the front and rear ends of the compression spring B are fixedly connected with the adjacent T-shaped bent rod and the sliding plate.

[0011] Preferably, the two sides of the placing box are fixedly installed with a fixed block near the middle position, the bottom of the fixed block is fixedly installed with a compression telescopic rod B, the bottom end of the compression telescopic rod B is fixedly installed with an n-shaped plate, the inner cavity of the n-shaped plate is rotatably connected with a pressing wheel, the outer periphery of the compression telescopic rod B is movably sleeved with a compression spring C, and the top end and the bottom end of the compression spring C are fixedly connected with the fixed block and the n-shaped plate.

[0012] Preferably, the dismounting assembly comprises a threaded pipe movably penetrating the rear side of the inner cavity of the placing box and a driving disc fixedly installed at the rear end of the threaded pipe, the inner cavity of the threaded pipe is threadedly connected with a threaded rod, the front end of the threaded rod is fixedly installed with a fixed plate, and the two sides of the fixed plate are fixedly connected with the adjacent connecting blocks.

[0013] Preferably, the front side of the driving disc movably penetrates the limiting rod near the other side, the rear side of the placing box is provided with a plurality of limiting holes, the front end of the limiting rod is inserted into the inner cavity of the adjacent limiting hole, the outer periphery of the limiting rod is movably sleeved with a compression spring A near the rear end, and the front and rear ends of the compression spring A are fixedly connected with the end of the compression spring A and the driving disc.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、In the anti-hail net laying, under the cooperation of the driving assembly, two T-shaped rods can be synchronously rotated, adjacent winding rollers can be rotated, the anti-hail net wound on the outer periphery of the winding roller can be unfolded, the sliding plate can be moved to two sides by the operator, the anti-hail net can be conveniently laid, and the laying efficiency and safety are improved.

[0016] 2, when need to remove and replace hailproof net winding on the outer periphery of the winding roller, pull the limiting rod to the rear side, make the front side of the limiting rod away from the inner cavity of the adjacent limiting hole, drive the driving disc to make the threaded tube fixed on the driving disc rotate, pull the fixed plate to the rear side through the threaded rod threaded in the inner cavity of the threaded tube, and then the adjacent square groove can be away from the outer periphery of the adjacent square block, which is convenient for disassembling and replacing the winding roller. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view of the utility model;

[0018] Figure 2 It is a partial top view of the hailproof net of the utility model;

[0019] Figure 3 It is a partial top view of the hailproof net of the utility model;

[0020] Figure 4 It is a partial top view of the hailproof net of the utility model; Figure 1 Enlarged view of A;

[0021] Figure 5 It is a partial top view of the hailproof net of the utility model; Figure 2 Enlarged view of B;

[0022] Figure 6 It is a partial top view of the hailproof net of the utility model; Figure 3 Enlarged view of C;

[0023] Figure 7 It is a partial top view of the hailproof net of the utility model; Figure 3 Enlarged view of D.

[0024] In the drawing: 1, greenhouse framework; 2, storage box; 3, access door; 4, winding roller; 5, square block; 6, square groove; 7, connecting block; 8, limiting telescopic rod; 9, reset telescopic rod; 10, reset spring; 11, T-shaped rod; 12, servo motor; 13, worm; 14, worm gear; 15, synchronous belt; 16, driving disc; 17, threaded tube; 18, limiting rod; 19, compression spring A; 20, pressing wheel; 21, threaded rod; 22, fixed plate; 23, hailproof net; 24, n-shaped plate; 25, sliding plate; 26, compression telescopic rod A; 27, compression spring B; 28, T-shaped bent rod; 29, fixed block; 30, compression telescopic rod B; 31, compression spring C. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Embodiment

[0026] Please refer to Figures 1-7 The hailproof net device with automatic rolling and unfolding functions comprises a greenhouse framework 1, a placing box 2 is fixedly installed at the middle position of the top of the greenhouse framework 1, a maintenance door 3 is hingedly connected to the top of the placing box 2, rolling rollers 4 are arranged at the inner cavity of the placing box 2 close to the middle position, the rolling rollers 4 are arranged left and right, hailproof nets 23 are wound around the outer periphery of the rolling rollers 4, sliding plates 25 are installed on the sides away from each other of the hailproof nets 23, the hailproof nets 23 are installed on the sliding plates 25 through bolts, square blocks 5 are fixedly installed at the front and rear sides of the rolling rollers 4, square grooves 6 are slidingly connected to the outer periphery of the square blocks 5, the two square grooves 6 at the front side are rotationally connected to the inner cavity of the placing box 2 at the front side, a driving assembly is arranged at the inner cavity of the placing box 2 close to the rear side, and a dismounting assembly is arranged at the middle position of the rear side of the placing box 2.

[0027] The driving assembly comprises connecting blocks 7 rotationally connected to the outer periphery of the square grooves 6 and T-shaped rods 11 located at the rear side of the square grooves 6, the rear ends of the T-shaped rods 11 are movably penetrated through the inner cavity of the placing box 2 at the rear side, a servo motor 12 is fixedly installed at the rear side of the placing box 2 close to the other side, a worm 13 is fixedly installed on the power output shaft of the servo motor 12, a worm wheel 14 is engaged with the rear side of the worm 13, the worm wheel 14 is fixedly sleeved on the outer periphery of the adjacent T-shaped rod 11, synchronous wheels are fixedly installed at the rear ends of the T-shaped rods 11, and a synchronous belt 15 is commonly sleeved on the synchronous wheels.

[0028] Specifically, when the hailproof nets 23 are laid, the two T-shaped rods 11 can be synchronously rotated under the cooperation of the driving assembly, the adjacent rolling rollers 4 can be rotated, the hailproof nets 23 wound around the outer periphery of the rolling rollers 4 can be unfolded, the sliding plates 25 can be moved to the two sides by the operator, the hailproof nets 23 can be conveniently laid, and the laying efficiency and safety are improved.

[0029] Limiting telescopic rods 8 are fixedly installed at the rear side of the connecting blocks 7 close to the two sides, and the rear ends of the limiting telescopic rods 8 are fixedly connected to the inner cavity of the placing box 2 at the rear side.

[0030] Specifically, the limiting telescopic rods 8 can limit the movement of the connecting blocks 7.

[0031] The rear side of the square groove 6 is fixedly installed with a reset telescopic rod 9, the rear end of the reset telescopic rod 9 is fixedly connected with the end of the T-shaped rod 11, the outer periphery of the reset telescopic rod 9 is movably sleeved with a reset spring 10, and the two ends of the reset spring 10 are fixedly connected with the square groove 6 and the adjacent T-shaped rod 11 respectively.

[0032] Specifically, the reset telescopic rod 9 and the reset spring 10 can stably movably sleeve the square groove 6 on the outer periphery of the square block 5.

[0033] The front and rear sides of the sliding plate 25 are fixedly installed with a compression telescopic rod A 26, the end of the compression telescopic rod A 26 is fixedly installed with a T-shaped bent rod 28, the front and rear sides of the greenhouse framework 1 are provided with limiting holes near the two sides, the tail end of the T-shaped bent rod 28 is movably inserted into the inner cavity of the adjacent limiting hole, the outer periphery of the compression telescopic rod A 26 is movably sleeved with a compression spring B 27, and the front and rear ends of the compression spring B 27 are fixedly connected with the adjacent T-shaped bent rod 28 and the sliding plate 25 respectively.

[0034] Specifically, the compression spring B 27 and the compression telescopic rod A 26 can stably insert the T-shaped bent rod 28 into the inner cavity of the adjacent limiting hole.

[0035] The two sides of the placing box 2 are fixedly installed with a fixed block 29 near the middle position, the bottom of the fixed block 29 is fixedly installed with a compression telescopic rod B 30, the bottom end of the compression telescopic rod B 30 is fixedly installed with an n-shaped plate 24, the inner cavity of the n-shaped plate 24 is rotatably connected with a pressing wheel 20, the outer periphery of the compression telescopic rod B 30 is movably sleeved with a compression spring C 31, and the top end and the bottom end of the compression spring C 31 are fixedly connected with the fixed block 29 and the n-shaped plate 24 respectively.

[0036] Specifically, the compression telescopic rod B 30 and the compression spring C 31 can tightly adhere the hail prevention net 23 to the greenhouse framework. Embodiment

[0037] This embodiment is an improvement based on embodiment 1. Specifically, please refer to Figure 3 and Figure 6 The disassembly assembly includes a threaded pipe 17 movably penetrating the inner cavity of the placing box 2 from the rear side and a driving disc 16 fixedly installed at the rear end of the threaded pipe 17, the inner cavity of the threaded pipe 17 is threadedly connected with a threaded rod 21, the front end of the threaded rod 21 is fixedly installed with a fixed plate 22, and the two sides of the fixed plate 22 are fixedly connected with the adjacent connecting block 7.

[0038] Specifically, when it is necessary to disassemble and replace the hailproof net 23 wound around the outer periphery of the winding roller 4, the limiting rod 18 is pulled to the rear side, the front side of the limiting rod 18 is away from the inner cavity of the adjacent limiting hole, the driving disc 16 is driven to rotate the threaded tube 17 fixed on the driving disc 16, the threaded rod 21 threaded in the inner cavity of the threaded tube 17 pulls the fixed plate 22 to move to the rear side, and then the adjacent square groove 6 is away from the outer periphery of the adjacent square block 5, so that the winding roller 4 is conveniently disassembled and replaced.

[0039] The front side of the driving disc 16 is movably penetrated by the limiting rod 18 at the other side, the rear side of the placing box 2 is provided with a plurality of limiting holes, the front end of the limiting rod 18 is inserted into the inner cavity of the adjacent limiting hole, the outer periphery of the limiting rod 18 is movably sleeved with the compression spring A 19 at the rear end, and the front and rear ends of the compression spring A 19 are fixedly connected with the end of the compression spring A 19 and the driving disc 16 respectively.

[0040] Specifically, the limiting rod 18 and the compression spring A 19 can limit the rotating position of the driving disc 16, and the stability of the installation of the winding roller 4 is improved.

[0041] Working principle: when the utility model is in use, when the hailproof net 23 is laid, through the external controller, the servo motor 12 is started, the servo motor 12 power output shaft rotation drives the worm 13 fixed on the servo motor 12 power output shaft axle end to rotate, so that the worm wheel 14 meshed with the worm 13 can rotate, and then the adjacent T-shaped rod 11 can rotate, the synchronous wheel and the synchronous belt 15 can make the two T-shaped rods 11 rotate synchronously, under the connection of the reset telescopic rod 9 and the reset spring 10, the adjacent winding roller 4 can rotate, so that the hailproof net 23 wound around the outer periphery of the winding roller 4 can be unfolded, the operator can move the sliding plate 25 to both sides, the hailproof net 23 is conveniently laid, the efficiency and safety of laying are improved, the compression telescopic rod B 30, the compression spring C 31 and the pressing wheel 20 can press the hailproof net 23, the hailproof net 23 is tightly attached to the top of the greenhouse framework 1, after the sliding plate 25 moves to the required position, the T-shaped bent rod 28 can be inserted into the inner cavity of the adjacent limiting hole under the action of the compression telescopic rod A 26 and the compression spring B 27, the stability of the placement of the sliding plate 25 is improved, when it is necessary to disassemble and replace the hailproof net 23 wound around the outer periphery of the winding roller 4, the limiting rod 18 is pulled to the rear side, the front side of the limiting rod 18 is away from the inner cavity of the adjacent limiting hole, the driving disc 16 is driven to rotate the threaded tube 17 fixed on the driving disc 16, the threaded rod 21 threaded in the inner cavity of the threaded tube 17 pulls the fixed plate 22 to move to the rear side, and then the adjacent square groove 6 is away from the outer periphery of the adjacent square block 5, so that the winding roller 4 is conveniently disassembled and replaced.

[0042] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0043] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hail net device with automatic retraction and extension function, comprising a greenhouse frame (1), characterized in that: A placement box (2) is fixedly installed at the top middle position of the greenhouse frame (1). An inspection door (3) is hinged to the top of the placement box (2). A winding roller (4) is provided near the middle position of the inner cavity of the placement box (2). The winding roller (4) is arranged on the left and right. Hail protection net (23) is wrapped around the outer periphery of the winding roller (4). A sliding plate (25) is installed on the side of the hail protection net (23) that is far away from each other. A block (5) is fixedly installed on the front and rear sides of the winding roller (4). A square groove (6) is slidably connected to the outer periphery of the block (5). The two square grooves (6) on the front side are rotatably connected to the front side of the inner cavity of the placement box (2). A drive component is provided near the rear side of the inner cavity of the placement box (2). A disassembly component is provided at the middle position of the rear side of the placement box (2). The drive assembly includes a connecting block (7) rotatably connected to the outer periphery of the square groove (6) and a T-shaped rod (11) located on the rear side of the square groove (6). The rear ends of the T-shaped rod (11) all movably penetrate the rear side of the inner cavity of the placement box (2). A servo motor (12) is fixedly installed on the rear side of the placement box (2) near the other side, and a worm gear (13) is fixedly installed on the power output shaft of the servo motor (12). A worm wheel (14) meshes on the rear side of the worm gear (13), and the worm wheel (14) is fixedly sleeved on the outer periphery of the adjacent T-shaped rod (11). A synchronous pulley is fixedly installed on the rear end of the T-shaped rod (11), and a synchronous belt (15) is sleeved between the synchronous pulleys.

2. The hail suppression net device with automatic retraction and extension function according to claim 1, characterized in that: Limiting telescopic rods (8) are fixedly installed on the rear side of the connecting block (7) near both sides, and the rear ends of the limiting telescopic rods (8) are fixedly connected to the rear side of the inner cavity of the placement box (2).

3. A hail suppression net device with automatic retraction and extension function according to claim 1, characterized in that: A reset telescopic rod (9) is fixedly installed on the rear side of the square groove (6). The rear end of the reset telescopic rod (9) is fixedly connected to the end of the T-shaped rod (11). A reset spring (10) is movably sleeved on the outer periphery of the reset telescopic rod (9), and the two ends of the reset spring (10) are fixedly connected to the square groove (6) and the adjacent T-shaped rod (11) respectively.

4. A hail suppression net device with automatic retraction and extension function according to claim 1, characterized in that: The sliding plate (25) is fixedly installed with compression telescopic rods A (26) on both the front and rear sides. T-shaped bent rods (28) are fixedly installed at the ends of the compression telescopic rods A (26). Limiting holes are opened on both the front and rear sides of the greenhouse frame (1) near the sides. The ends of the T-shaped bent rods (28) are movably inserted into the inner cavities of the adjacent limiting holes. Compression springs B (27) are movably sleeved on the outer periphery of the compression telescopic rods A (26). The front and rear ends of the compression springs B (27) are fixedly connected to the adjacent T-shaped bent rods (28) and the sliding plate (25) respectively.

5. A hail suppression net device with automatic retraction and extension function according to claim 1, characterized in that: Fixed blocks (29) are fixedly installed on both sides of the placement box (2) near the middle position. A compression telescopic rod B (30) is fixedly installed on the bottom of each fixed block (29). An n-shaped plate (24) is fixedly installed at the bottom end of the compression telescopic rod B (30). A pressing wheel (20) is rotatably connected to the inner cavity of the n-shaped plate (24). A compression spring C (31) is movably sleeved on the outer periphery of the compression telescopic rod B (30). The top and bottom ends of the compression spring C (31) are fixedly connected to the fixed block (29) and the n-shaped plate (24) respectively.

6. A hail suppression net device with automatic retraction and extension function according to claim 1, characterized in that: The disassembly assembly includes a threaded tube (17) that moves through the rear side of the inner cavity of the placement box (2) and a drive plate (16) that is fixedly installed at the rear end of the threaded tube (17). The inner cavity of the threaded tube (17) is threadedly connected to a threaded rod (21), and a fixing plate (22) is fixedly installed at the front end of the threaded rod (21). The two sides of the fixing plate (22) are fixedly connected to the adjacent connecting blocks (7) respectively.

7. A hail suppression net device with automatic retraction and extension function according to claim 6, characterized in that: The front side of the drive disc (16) near the other side is movably connected to the limiting rod (18). The rear side of the placement box (2) is provided with several limiting holes, and the front end of the limiting rod (18) is inserted into the inner cavity of the adjacent limiting hole. The outer periphery of the limiting rod (18) near the rear end is movably sleeved with a compression spring A (19), and the front and rear ends of the compression spring A (19) are fixedly connected to the end of the compression spring A (19) and the drive disc (16) respectively.

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