A folding device for greenhouse thermal insulation blanket

Abstract

The present invention provides a greenhouse insulation blanket folding device, comprising a plurality of synchronously moving driving devices, each of the driving devices is driven and connected to a winding device, and the plurality of winding devices cooperate to drive the insulation blankets on both sides to be synchronously folded and wound toward a fixed frame on the inner side of the greenhouse. The insulation blanket is installed inside the greenhouse and is not disturbed by rain and snow, and avoids the narrow space at the edge of the greenhouse, meeting the space requirements during the folding process of the insulation blanket, having good insulation performance, reducing winter heating energy consumption, and eliminating the need to build an additional supporting frame, thereby saving costs. At the same time, the device has strong stroke controllability, small shade, and strong practicality.

Description

Technical Field

[0001] The invention relates to the technical field of greenhouses, and in particular to a greenhouse insulation blanket folding device. Background Art

[0002] Existing arched or curved greenhouses often use external insulation. Their insulation blankets are typically rolled up from the bottom up, driven by a winding motor and rolled along the greenhouse roof. During the day, when the greenhouse needs light, the blanket is rolled up and placed on the ridge. At night, it is lowered.

[0003] In the existing external insulation form, the insulation blanket is exposed to the outside, and it is easy for the insulation blanket to become wet after the invasion of rain and snow, which affects the insulation performance of the insulation blanket. The external insulation blanket is rolled up and put down by a quilt reel. During the rolling and unrolling process, the reel and the reel move in an arc along the roof together with the reel. Since the reel is very heavy, the reel becomes heavier as it approaches the reel, which causes the tension on the insulation blanket to be different, resulting in the reel being not straight. The insulation blanket is prone to deviation and is very prone to failure. Since the insulation blanket is not rolled straight, in actual production, the final stop position of the insulation blanket is often some distance away from the top of the roof ridge to prevent the insulation blanket from being over-rolled. However, this will increase the shadow of the insulation blanket on the crops in the greenhouse, and when the insulation blanket is rolled along the greenhouse roof, the rolling of the insulation blanket will generate concentrated stress on the frame, which is easy to damage the slots. In addition, the direct contact between the insulation blanket and the greenhouse covering material will also cause a certain amount of friction on the covering material, reducing the light transmittance and service life of the covering material.

[0004] Existing greenhouses mostly use a curtain system for internal insulation. This system uses a thin, lightweight insulation blanket positioned between a support and pressure line, and is pulled open or closed by a drive. Existing curtain systems utilize rack-and-pinion and cable-operated systems, depending on the transmission method. However, this system creates a chaotic accumulation of the blanket between the support and pressure lines, creating a large area of ​​​​the curtain, severely blocking sunlight and hindering the growth of some light-loving crops.

[0005] The internal insulation of existing greenhouses also uses a rolled-up insulation structure, but it relies on gravity to unfold downward and roll up, and requires an additional support frame. The application scenarios are very limited. In addition, the additional support frame is expensive and provides severe shade, which is not conducive to plant growth. Existing greenhouses usually install plant hanging lines, and the space at the top of the hanging lines is narrow, making it impossible to stack insulation blankets. Summary of the Invention

[0006] The purpose of the present invention is to solve the deficiencies of the above-mentioned technology and provide a greenhouse insulation blanket folding device.

[0007] To this end, the present invention provides a greenhouse insulation blanket folding device, comprising multiple synchronously moving driving devices, each of which is driven by a winding device, and the multiple winding devices cooperate to drive the insulation blankets on both sides to be synchronously folded and rolled toward the fixed frame inside the greenhouse.

[0008] Preferably, the thermal insulation quilt is provided with a plurality of support rods for folding the quilt, and the winding device is provided with a plurality of sliding components, the bottoms of the sliding components being connected to the support rods in an intermittent manner.

[0009] Preferably, the driving device includes a motor and a transmission shaft, the motor is driven and connected to the transmission shaft, the winding device includes a winding barrel, a pull rope, a fixed pulley and a driving card, a plurality of the winding barrels are installed on the transmission shaft, one end of the pull rope is wound around one side of the winding barrel, and the other end of the pull rope is wound around the other side of the winding barrel after passing through a plurality of the fixed pulleys in sequence, and the driving card is fixedly installed on the pull rope moving toward the fixed frame, and the driving card is used to fix the thermal insulation quilt.

[0010] Preferably, the fixed pulley includes a connecting pulley and a reversing pulley, two parallel connected pulleys are fixedly installed on one side of the greenhouse and above the fixed frame, and the reversing pulley is fixedly installed on the other side of the greenhouse. The pull rope passes through one of the connecting pulleys on the greenhouse and the fixed frame, the reversing pulley, and the other connecting pulley on the fixed frame and the greenhouse in sequence, and then is wound around the winding barrel.

[0011] Preferably, there are two driving devices, wherein the driving card of one driving device is installed on the pull rope close to the outside of the greenhouse, and the driving card of the other driving device is installed on the pull rope between the outside of the greenhouse and the fixed frame.

[0012] Preferably, the thermal insulation quilt is provided with a plurality of stitching areas for separating the quilt, and the support rods are installed in the stitching areas.

[0013] Preferably, the sliding component is a movable pulley or an annular buckle.

[0014] Preferably, the sliding component and the driving card are located in different operating intervals of the pull rope.

[0015] Preferably, a counterweight is installed on the suture area that is not connected to the sliding component.

[0016] The beneficial effects of the present invention are as follows: the present invention provides a greenhouse insulation blanket folding device, which has the following beneficial effects.

[0017] (1) The thermal insulation blanket is evenly hung on the winding device through the sliding component. One end of the thermal insulation blanket is fixed on the fixed frame, the other end is fixed on one of the drive cards of the winding device, and the middle position is fixed on the other drive card of the winding device. Since the installation positions of the two drive cards are different, the operating strokes of the two are different, so that when the winding device is driven by the drive device to rewind, the upper part of the thermal insulation blanket close to the fixed frame is rolled up first, avoiding the narrow space at the edge of the greenhouse, meeting the space requirements during the folding process of the thermal insulation blanket, and having good thermal insulation performance, reducing winter heating energy consumption, without the need to build an additional support frame, saving costs, and at the same time, the device has strong controllable stroke, small shade, and strong practicality;

[0018] ⑵This device can install a thick external insulation blanket inside the greenhouse by folding it. The insulation blanket will not be disturbed by rain or snow. After folding, the insulation blanket is located under the roof. The folding area is small and the shade is small. In the process of folding the insulation blanket, it is driven by a dual motor and a dual stroke, which reasonably avoids the end space of the plant hanging line in the greenhouse, thereby realizing the effective folding of the insulation blanket. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of the transmission structure of the greenhouse insulation blanket folding device in this embodiment;

[0020] Figure 2 1 is a schematic structural diagram of the thermal insulation quilt in the unfolded state in this embodiment;

[0021] Figure 3 1 is a schematic structural diagram of the thermal insulation quilt in the folded state in this embodiment;

[0022] Figure 4 2. This is a schematic diagram of the folding process of the greenhouse insulation blanket folding device in this embodiment;

[0023] Figure 5 Schematic diagram of the unfolding process of the greenhouse insulation blanket folding device in this embodiment.

[0024] Markings in the figure: 1. Driving device; 11. Motor; 111. First motor; 112. Second motor; 12. Transmission shaft; 121. First transmission shaft; 122. Second transmission shaft; 2. Thermal insulation quilt; 21. Fabric layer; 22. Isolation layer; 23. Filling layer; 3. Fixed frame; 4. Support rod; 5. Sliding component; 6. Winding barrel; 61. First winding barrel; 62. Second winding barrel; 7. Draw rope; 71. First draw rope; 72. Second draw rope; 8. Fixed pulley; 81. Connecting pulley; 811. Connecting pulley one; 812. Connecting pulley two; 813. Connecting pulley three; 814. Connecting pulley four; 82. Reversing pulley; 9. Drive card; 91. First drive card; 92. Second drive card; 10. Suture area. DETAILED DESCRIPTION

[0025] The present invention is further described below with reference to the accompanying drawings and specific examples to facilitate understanding of the present invention. The methods used in the present invention are conventional methods unless otherwise specified; the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0026] Example:

[0027] like Figures 1 to 5 As shown, the present invention provides a greenhouse insulation blanket folding device, including multiple synchronously moving driving devices 1, the number of the driving devices 1 is two, namely a first driving device and a second driving device, each of the driving devices 1 is driven by two or more winding devices, and the multiple winding devices are arranged in parallel and cooperate with each other to drive the insulation blankets 2 on both sides of the greenhouse to be synchronously folded and rolled toward the fixed frame 3 on the inner side of the greenhouse, and the fixed frame 3 is fixedly installed on the roof position of the greenhouse, that is, the middle position.

[0028] Furthermore, the driving device 1 includes a motor 11 and a transmission shaft 12. The motor 11 is a motor with an adjustable stroke, that is, the motor can be set to automatically stop after a certain number of forward rotations and reverse rotations. Conventional sunshade motors and window opening motors used in greenhouses are motors with adjustable strokes. The motor 11 is driven and connected to the transmission shaft 12. The motor 11 includes a first motor 111 and a second motor 112. The transmission shaft 12 includes a first transmission shaft 121 and a second transmission shaft 122. The first motor 111 is driven and connected to the first transmission shaft 121, and the second motor 112 is driven and connected to the second transmission shaft 122. The first motor 111 and the second motor 112 are arranged opposite to each other and have the same rotation speed. The first transmission shaft 121 and the second transmission shaft 122 are arranged in parallel.

[0029] Furthermore, the winding device includes a winding barrel 6, a pull rope 7, a fixed pulley 8 and a driving card 9, the winding barrel 6 includes a first winding barrel 61 and a second winding barrel 62, the pull rope 7 includes a first pull rope 71 and a second pull rope 72, the driving card 9 includes a first driving card 91 and a second driving card 92, and a plurality of the first winding barrels 61 are installed on the first transmission shaft 121. One end of the first pull rope 71 is wound around one side of the first winding barrel 61, and the other end of the first pull rope 71 is wound around the other side of the first winding barrel 61 after passing through the plurality of fixed pulleys 8 in sequence, and then the winding barrel 61 is wound around the other side of the first winding barrel 61, and the winding barrel 61 is wound around the fixed pulley 8 in sequence, and the winding barrel 61 is wound around the fixed pulley 8 ... The first driving card 91 is fixedly installed on the first pull rope 71 that moves in the direction of the fixed skeleton 3. Similarly, multiple second winding barrels 62 are installed on the second transmission shaft 122. One end of the second pull rope 72 is wound around one side of the second winding barrel 62, and the other end of the second pull rope 72 is wound around the other side of the second winding barrel 62 after passing through multiple fixed pulleys 8 in sequence. The second driving card 92 is fixedly installed on the second pull rope 72 that moves in the direction of the fixed skeleton 3. The first driving card 91 and the second driving card 92 are both used to fix the thermal insulation quilt 2.

[0030] Furthermore, the first drive card 91 is installed on the first pull rope 71 between the outside of the greenhouse and the fixed frame 3, and the second drive card 92 is installed on the second pull rope 72 close to the outside of the greenhouse, so that the operating strokes of the two drive cards 9 are different.

[0031] Furthermore, the fixed pulley 8 includes a connecting pulley 81 and a reversing pulley 82, the connecting pulley 81 includes a connecting pulley 1 811, a connecting pulley 2 812, a connecting pulley 3 813 and a connecting pulley 4 814, and a connecting pulley 1 811 and a connecting pulley 2 812 are fixedly installed on one side of the greenhouse, and the connecting pulley 1 811 and the connecting pulley 2 812 are arranged in parallel, and the connecting pulley 3 813 and the connecting pulley 4 814 are fixedly installed above the fixed frame 3, and the connecting pulley 3 813 and the connecting pulley 2 812 are fixedly installed on the upper side of the fixed frame 3. Pulley four 814 is arranged in parallel, and the reversing pulley 82 is fixedly installed on the other side of the greenhouse. The reversing pulley 82 is installed horizontally, and the connecting pulley 81 is installed vertically. The connecting pulley one 811, the connecting pulley two 812 and the reversing pulley 82 in the multiple winding devices connected to the first drive device are installed in opposite directions to the connecting pulley one 811, the connecting pulley two 812 and the reversing pulley 82 in the multiple winding devices connected to the second drive device, which is convenient for driving the insulation quilt 2 on both sides of the greenhouse to be reeled upward synchronously.

[0032] Furthermore, the first pull rope 71 and the second pull rope 72 are respectively wound around the first winding barrel 61 and the second winding barrel 62 through the connecting pulley 1 811, the connecting pulley 3 813, the reversing pulley 82, the connecting pulley 4 814 and the connecting pulley 2 812 to form a closed loop.

[0033] Furthermore, the thermal insulation quilt 2 includes a fabric layer 21, an isolation layer 22 and a filling layer 23. The isolation layer 22 is provided on the outside of the filling layer 23, and the fabric layer 21 is provided on the outside of the isolation layer 22. The thermal insulation quilt 2 is provided with a plurality of stitching areas 10 for separating it, and the stitching areas 10 are installed with support rods 4 for folding the thermal insulation quilt 2. The stitching areas 10 provide installation space for the support rods 4, and the different folding heights of the thermal insulation quilt 2 are determined by the spacing of the stitching areas 10.

[0034] Furthermore, a counterweight is installed on the stitching area 10 that is not connected to the sliding component 5. The support of the counterweight makes it possible to turn the quilt into a foldable quilt. The method is simple and the cost is low. For some heavier quilts 2, if they can droop naturally, no counterweight is needed.

[0035] Furthermore, a plurality of sliding components 5 are hung on the pull rope 7, and the bottom of the sliding components 5 is connected to the support rod 4 in an intermittent manner. The sliding components 5 are movable pulleys or annular buckles with a low friction coefficient with the pull rope 7, which mainly play the role of hanging the thermal insulation quilt 2 without damaging the pull rope 7.

[0036] Furthermore, the sliding component 5 and the driving card 9 are located in different operating intervals of the pull rope 7 and are staggered to prevent the driving card 9 from directly contacting the adjacent sliding component 5 and causing a malfunction.

[0037] The working principle of this embodiment is as follows:

[0038] When the thermal insulation quilt 2 needs to be rolled up, the first motor 111 and the second motor 112 are started at the same time, the first motor 111 drives the first transmission shaft 121 to rotate counterclockwise, and the second motor 112 drives the second transmission shaft 122 to rotate clockwise. The counterclockwise rotation of the first transmission shaft 121 drives the multiple turns of the first pull rope 71 wound on the first winding barrel 61 to move outward, thereby driving the first driving cards 91 on both sides to move toward the position of the fixed frame 3. Similarly, the clockwise rotation of the second transmission shaft 122 drives the multiple turns of the second pull rope 72 wound on the second winding barrel 62 to move outward, thereby driving the second driving cards 92 on both sides to move toward the position of the fixed frame 3. The first driving card 91 and the second driving card 92 on the same side move synchronously toward the position of the fixed frame 3 under the drive of the first motor 111 and the second motor 112, thereby driving the thermal insulation quilt 2 to move toward the position of the fixed frame 3 and be retracted.

[0039] One end of the thermal insulation quilt 2 is fixed to the fixed frame 3, and the other end is fixed to the second drive card 92 through the support rod 4. The middle part is fixed to the first drive card 91 through the support rod 4. The other support rods 4 of the thermal insulation quilt 2 are hung on the pull rope 7 at intervals through the sliding component 5. Since the sliding component 5 can slide freely on the pull rope 7, the position of the sliding component 5 can be located on the pull rope 7 for normal driving and reverse driving. And because the travel range of the second drive card 92 is greater than the travel range of the first drive card 91, the drive card 9 drives the support rods 4 in the thermal insulation quilt 2 to move, and the lower support rods 4 push the upper support rods 4 to fold upward. This makes the folding work of the upper part of the entire slope of the thermal insulation quilt 2 complete first during the folding and folding process, and the folding work of the lower part of the slope is gradually completed under the driving action of the second drive card 92. At this point, the folding work of the thermal insulation quilt 2 on both sides of the greenhouse is completed.

[0040] During the folding process, the thermal insulation blanket 2 adopts the technology of multiple stroke driving of a single blanket, which solves the problem of insufficient folding space in the narrow edge space of the greenhouse.

[0041] In the description of the present invention, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] However, the above description is merely a specific embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the scope of protection of the present invention should still fall within the scope covered by the claims of the present invention.

Claims

1. A greenhouse insulation folding device, characterized in that: It comprises a plurality of synchronously moving drive devices (1), each of the drive devices (1) is connected to a reeling device, and the plurality of reeling devices cooperate with each other to drive the thermal insulation blankets (2) on both sides to be synchronously folded and reeled toward a fixed frame (3) inside the greenhouse; The thermal insulation quilt (2) is provided with a plurality of support rods (4) for folding the quilt, and the winding device is provided with a plurality of sliding components (5), wherein the bottoms of the sliding components (5) are connected to the support rods (4) in an intermittent manner; The driving device (1) includes a motor (11) and a transmission shaft (12), the motor (11) is connected to the transmission shaft (12) by driving, the winding device includes a winding barrel (6), a pull rope (7), a fixed pulley (8) and a driving card (9), a plurality of winding barrels (6) are installed on the transmission shaft (12), one end of the pull rope (7) is wound around one side of the winding barrel (6), and the other end of the pull rope (7) is wound around the other side of the winding barrel (6) after passing through the plurality of fixed pulleys (8) in sequence, and the driving card (9) is fixedly installed on each of the pull ropes (7) moving toward the fixed frame (3), and the driving card (9) is used to fix the thermal insulation quilt (2); The fixed pulley (8) includes a connecting pulley (81) and a reversing pulley (82). Two parallel connecting pulleys (81) are fixedly installed on one side of the greenhouse and above the fixed frame (3). The reversing pulley (82) is fixedly installed on the other side of the greenhouse. The pull rope (7) passes through one of the connecting pulleys (81) on the greenhouse and the fixed frame (3), the reversing pulley (82), and another connecting pulley (81) on the fixed frame (3) and the greenhouse in sequence, and then is wound on the winding barrel (6). The number of the driving devices (1) is two, and the driving card (9) of one of the driving devices (1) is installed on the pull rope (7) close to the outside of the greenhouse, and the driving card (9) of the other driving device (1) is installed on the pull rope (7) at a position between the outside of the greenhouse and the fixed frame (3).

2. A greenhouse insulation folding device according to claim 1, characterized in that: The thermal insulation quilt (2) is provided with a plurality of stitching areas (10) for separating the quilt, and the support rods (4) are installed in the stitching areas (10).

3. A greenhouse insulation folding device according to claim 1, characterized in that: The sliding component (5) is a movable pulley or an annular buckle.

4. A greenhouse insulation blanket folding device according to claim 1, characterized in that: The sliding component (5) and the driving card (9) are located in different operating intervals of the pull rope (7).

5. A greenhouse insulation folding device according to claim 2, characterized in that: A counterweight is installed on the stitching area (10) that is not connected to the sliding component (5).

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