Totally opened film reeling mechanism for roof of plastic film greenhouse
A technology of plastic film and greenhouse, applied in the field of film rolling mechanism, can solve the problems of reducing the quality and safety of fruit products, decreasing light intensity, excessive film wear, etc., achieving convenient film laying and film changing, strong installation adaptability, and reducing film rolling resistance. Effect
Active Publication Date: 2015-01-21
TAICANG HUIFENG AGRI FACILITY CO LTD
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AI Technical Summary
Problems solved by technology
The existing plastic film greenhouse product roof window roll film mechanism can no longer meet the requirements of fruit tree planting, mainly has the following deficiencies: Roof window The area is insufficient or the roof film cannot be opened. Due to the reflection and absorption of sunlight by the roof film, the light intensity in the greenhouse is reduced by about 30-40%, which cannot meet the light requirements of the fruit tree growth period.
At the same time, due to the increase of humidity in the greenhouse and the increase of diseases, the quality and safety of fruits will be reduced.
The roofing film adopts two-end fastening laminating line to compress the windproof and adopts thin-walled and thin-diameter rolling film shaft to cause the compressive force Different, the resistance of the roll film increases and the roll film shaft is easily deformed, the straightness decreases, and it is not suitable for the fully unrolled film
The roofing membrane and laminating line are covered and tensioned across the entire span, and the laminating line is always in a different position to the film during the rolling process. Uniform compression state, resulting in excessive wear of the film under pressure, and reduced service life
Method used
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Embodiment Construction
[0027] In order to enable the public to further understand the technology, means and beneficial effects adopted by the present invention, the specific embodiments are described in detail below with accompanying drawings, and it is believed that a deep and specific understanding can be obtained therefrom.
[0028] See Figure 1 to Figure 6 In this embodiment, the fully unrolled film mechanism on the roof of the plastic film greenhouse is set on the fruit tree planting greenhouse. The greenhouse is a multi-span plastic film greenhouse with 6 consecutive buildings. The external structure dimensions are: span height (B) 7.2 m, ridge height (H) 5m, shoulder height (h) 3.2m, length 40m. Each span of the greenhouse roof is provided with a main ridge 4, and the main ridge 4 must meet the requirements of straightness for installation. A plurality of main arches 12 are arranged at equal intervals of a=4000 mm along the length direction of the main ridge 4 , the roof film 2 is laid on t...
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The invention discloses a totally opened film reeling mechanism for a roof of a plastic film greenhouse. The totally opened film reeling mechanism for the roof of the plastic film greenhouse comprises two film reeling shafts and a plurality of windproof rods, wherein the two film reeling shafts are respectively arranged on the roof and on two sides of a main ridge beam; a roof film is divided into two portions by the main ridge beam; one sides of the two portions of the roof film are respectively fixed on two sides of the main ridge beam; the other side of each portion is connected with the corresponding film reeling shaft; the windproof rods are arranged above the roof film; the distance between each windproof rod and the roof film is greater than the film reeling outer diameter of the film reeling shaft; and two ends of each windproof rod are respectively connected with the main ridge beam and a gutter of the greenhouse. The totally opened film reeling mechanism has the advantages that the main ridge beam is a combined type main ridge beam, and the roof film is divided into the left portion and the right portion by the main ridge beam, so that the film is convenient to pave and change; by a rainproof plate, rainwater can be prevented from leaking from the ridge beam; the shape of the arc-shaped windproof rods is similar to that of a main arch bar of the greenhouse; the height of an end, which is connected with the main ridge beam, of each windproof rod is adjustable; a gap between the film and each windproof rod can be optimum along with change of the diameter of a reeled film on the film reeling shaft in a film reeling process; the film reeling resistance is reduced; and reliability on totally opened film reeling is guaranteed.
Description
technical field [0001] The invention relates to a film rolling mechanism for a plastic film greenhouse, in particular to a fully unrolling film mechanism for a plastic film greenhouse roof film. With this film rolling mechanism, the film laid on the plastic film greenhouse roof can be opened or closed conveniently and quickly. , so that the light intensity in the greenhouse is greatly increased, meeting the light requirements of the growth period of sun-loving plants and the reduction of humidity and shelter from rain. This kind of film rolling mechanism is especially suitable for the electric or manual film rolling of the greenhouse roof film for the facility planting of fruit trees. Background technique [0002] With the development of modern agriculture, the adjustment of agricultural production structure, and the rapid development of facility planting technology for fruit trees, how greenhouse facilities can meet the needs of fruit tree planting environment and meet the ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): A01G9/22
CPCA01G9/1438Y02A40/25
Inventor 周伟国
Owner TAICANG HUIFENG AGRI FACILITY CO LTD