Greenhouse heat preservation quilt folding device

Abstract

The invention provides a greenhouse heat preservation quilt folding device which comprises a plurality of driving devices moving synchronously, each driving device is in driving connection with a winding device, and the multiple winding devices are matched and used for driving heat preservation quilts on the two sides to be synchronously folded and wound towards a fixing framework on the inner side of a greenhouse. The heat preservation quilt is installed in the greenhouse and is not invaded by rain and snow, the greenhouse edge portion with narrow space is avoided, the space requirement in the heat preservation quilt folding process is met, the heat preservation performance is good, heating energy consumption in winter is reduced, an extra supporting framework does not need to be built, cost is saved, and meanwhile the device is high in stroke controllability, small in shading and high in practicability.

Description

Technical Field

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

[0002] Existing arched or curved greenhouses mostly adopt external insulation, and their insulation blankets are mostly rolled up from bottom to top. The blanket reel rolls up the insulation blanket and is rolled up along the roof of the greenhouse under the power of the rolling motor. During the day, the greenhouse needs light, so the insulation blanket is rolled up and placed on the ridge of the greenhouse, and then put down at night.

[0003] In the existing external insulation form, the insulation quilt is exposed outside, and it is easy to cause the insulation quilt to be wet after rain and snow invade, affecting the insulation performance of the insulation quilt. The external insulation quilt is rolled up and put down by a quilt reel. During the rolling and unrolling process, the reel motor and the reel move in an arc along the roof together. Since the reel motor is very heavy, the reel becomes heavier and heavier near the reel motor, which makes the tension on the insulation quilt different, causing the reel shaft to be not straight, and the insulation quilt is prone to deviation and failure. Since the insulation quilt is not rolled straight, in actual production, the final stop position of the insulation quilt is often a distance away from the top of the roof ridge to prevent the insulation quilt from being over-rolled, but this will increase the shadow of the crops in the greenhouse by the insulation quilt, and when the insulation quilt is rolled along the greenhouse roof, the rolling of the insulation quilt will produce concentrated stress on the frame, which is easy to damage the card slot, and the direct contact between the insulation quilt and the greenhouse covering material will also produce a certain friction on the covering material, reducing the light transmittance and service life of the covering material.

[0004] The existing greenhouses are mostly insulated by curtain structures. A thin insulation blanket is used, which is located between the curtain support line and the curtain pressure line, and is pulled together or unfolded by the driving edge. The existing greenhouse curtain structure is divided into a rack and pinion curtain system and a cable curtain system according to the transmission method. However, the folded insulation blanket of the curtain structure will be piled up irregularly between the curtain support line and the curtain pressure line. After folding, the area is large and the light is severely blocked, which is not conducive to the growth of some light-loving crops.

[0005] The internal insulation of existing greenhouses also adopts a rolled-up insulation structure, but it is unfolded downward and rolled up upward by gravity, and requires an additional supporting frame. The application scenarios are very limited, and the additional supporting 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 a plurality of synchronously moving driving devices, each of which is driven and connected to a winding device, and the plurality of winding devices cooperate with each other to drive the insulation blankets on both sides to be synchronously folded and rolled toward a fixed frame on the inner side of 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 drivingly 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, the other end of the pull rope is wound around the other side of the winding barrel after passing through a plurality of fixed pulleys in sequence, 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 connecting pulleys arranged in parallel are fixedly installed on one side of the greenhouse and on the top of the fixed frame, and the reversing pulley is fixedly installed on the other side of the greenhouse, and 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 of the driving devices 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 at a position 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 stitching 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] ⑴ The insulation quilt is evenly hung on the winding device through the sliding component. One end of the insulation quilt 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 running strokes of the two are different, so that when the winding device is driven by the driving device to roll up, the upper part of the insulation quilt close to the fixed frame is rolled up first, avoiding the narrow space of the greenhouse edge, meeting the space requirements during the folding process of the insulation quilt, and having good 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 controllability of stroke, small shade, and strong practicality;

[0018] (2) This device can install a thick external insulation blanket inside a greenhouse by folding it. The insulation blanket will not be disturbed by rain or snow. After being folded, 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 space at the end 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 Schematic diagram of the structure of the thermal insulation quilt in the unfolded state in this embodiment;

[0021] Figure 3 Schematic diagram of the structure of the thermal insulation quilt in the folded state in this embodiment;

[0022] Figure 4 Schematic diagram of the folding process of the heat preservation blanket of the greenhouse heat preservation blanket folding device in this embodiment;

[0023] Figure 5 It is a 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. pull rope; 71. first pull rope; 72. second pull 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. stitching area. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments to help understand the content of the present invention. The methods used in the present invention are all conventional methods unless otherwise specified; the raw materials and devices used are all conventional commercial products unless otherwise specified.

[0026] Example:

[0027] like Figure 1 to Figure 5 As shown, the present invention provides a greenhouse insulation blanket folding device, including a plurality of 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 and connected to two or more winding devices, and the plurality of winding devices are arranged in parallel and cooperate with each other, and are used 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 at 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 drivingly 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 drivingly connected to the first transmission shaft 121, and the second motor 112 is drivingly connected to the second transmission shaft 122. The first motor 111 and the second motor 112 are arranged relative 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] Further, 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, 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 first transmission shaft 121. The first drive 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. 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 drive card 92 is fixedly installed on the second pull rope 72 that moves in the direction of the fixed skeleton 3. The first drive card 91 and the second drive 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] Further, 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, one side of the greenhouse is fixedly installed with a connecting pulley 1 811 and a connecting pulley 2 812, the connecting pulley 1 811 and the connecting pulley 2 812 are arranged in parallel, the upper part of the fixed frame 3 is fixedly installed with the connecting pulley 3 813 and the connecting pulley 4 814, the connecting pulley 3 813 and the connecting pulley 4 814 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, connecting pulley two 812 and reversing pulley 82 in the multiple winding devices connected to the first driving device are installed in opposite directions to the connecting pulley one 811, connecting pulley two 812 and reversing pulley 82 in the multiple winding devices connected to the second driving device, which is convenient for driving the insulation quilt 2 on both sides of the greenhouse to be synchronously retracted upward.

[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 arranged on the outside of the filling layer 23, and the fabric layer 21 is arranged on the outside of the isolation layer 22, and 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, and 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 a foldable thermal quilt. The method is simple and low-cost. For some heavier thermal 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 component 5 is spacedly connected to the support rod 4. The sliding component 5 is a movable pulley or an annular buckle with a low friction coefficient with the pull rope 7, which mainly serves to hang 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 the two are staggered to prevent the driving card 9 from directly contacting the adjacent sliding component 5 to cause 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 fixed frame 3 position. 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 fixed frame 3 position. The first driving card 91 and the second driving card 92 on the same side move synchronously toward the fixed frame 3 position under the drive of the first motor 111 and the second motor 112, thereby driving the thermal insulation quilt 2 to move toward the fixed frame 3 position and be retracted.

[0039] One end of the insulation quilt 2 is fixed to the fixed frame 3, and the other end is fixed to the second driving card 92 through the support rod 4, and the middle is fixed to the first driving card 91 through the support rod 4. The other support rods 4 of the insulation quilt 2 are hung on the pull rope 7 through the sliding component 5 at intervals. 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 driving card 92 is greater than the travel range of the first driving card 91, the driving card 9 drives the support rods 4 in the insulation quilt 2 to move, and the lower support rods 4 push the upper support rods 4 to fold upward, which makes the folding work of the upper part of the entire slope of the 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 driving card 92. At this point, the folding work of the insulation quilt 2 on both sides of the greenhouse is completed.

[0040] During the folding process of the thermal insulation quilt 2, the technology of multiple stroke driving of a single quilt is adopted, which solves the problem of insufficient folding space due to the narrow space at the edge of the greenhouse.

[0041] In the description of the present invention, it is necessary to understand 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 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, what is described above is only 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) being connected to a winding device, and the plurality of winding devices cooperate with each other to drive the thermal insulation blankets (2) on both sides to be synchronously folded and wound toward a fixed frame (3) on the inner side of a greenhouse.

2. A greenhouse insulation folding device according to claim 1, characterized in that: 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 bottom of the sliding components (5) is connected to the support rods (4) in an intermittent manner.

3. A greenhouse insulation folding device according to claim 2, characterized in that: The driving device (1) comprises a motor (11) and a transmission shaft (12), wherein the motor (11) is drivingly connected to the transmission shaft (12), and the winding device comprises a winding barrel (6), a pull rope (7), a fixed pulley (8) and a driving card (9). A plurality of winding barrels (6) are mounted 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 a plurality of fixed pulleys (8) in sequence. The driving card (9) is fixedly mounted on each of the pull ropes (7) moving in the direction of the fixed frame (3), and the driving card (9) is used to fix the thermal insulation quilt (2).

4. A greenhouse insulation folding device according to claim 3, characterized in that: The fixed pulley (8) comprises a connecting pulley (81) and a reversing pulley (82); two connecting pulleys (81) arranged in parallel are fixedly installed on one side of the greenhouse and on the top of 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 around the winding barrel (6).

5. The greenhouse insulation folding device according to claim 3, characterized in that: The number of the driving devices (1) is two, wherein 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).

6. A greenhouse insulation folding device according to claim 2, 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).

7. A greenhouse insulation folding device according to claim 2, characterized in that: The sliding component (5) is a movable pulley or an annular buckle.

8. The greenhouse insulation folding device according to claim 3, characterized in that: The sliding component (5) and the driving card (9) are located in different operating intervals of the pull rope (7).

9. A greenhouse insulation folding device according to claim 6, 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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