CN213073797U - Sun-shading device of plastic greenhouse - Google Patents
Sun-shading device of plastic greenhouse Download PDFInfo
- Publication number
- CN213073797U CN213073797U CN202021866418.8U CN202021866418U CN213073797U CN 213073797 U CN213073797 U CN 213073797U CN 202021866418 U CN202021866418 U CN 202021866418U CN 213073797 U CN213073797 U CN 213073797U
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- Prior art keywords
- sunshade
- pulley
- sliding
- traction
- greenhouse
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- 239000004033 plastic Substances 0.000 title claims description 31
- 229920003023 plastic Polymers 0.000 title claims description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 238000004804 winding Methods 0.000 claims description 72
- 230000008602 contraction Effects 0.000 claims description 27
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 17
- 229920002554 vinyl polymer Polymers 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000002985 plastic film Substances 0.000 claims description 10
- 229920006255 plastic film Polymers 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 3
- 235000013311 vegetables Nutrition 0.000 abstract description 15
- 241000219112 Cucumis Species 0.000 abstract description 10
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 abstract description 10
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 238000005286 illumination Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000029553 photosynthesis Effects 0.000 description 6
- 238000010672 photosynthesis Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000012055 fruits and vegetables Nutrition 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Greenhouses (AREA)
Abstract
The utility model provides a hot house's solar protection devices, belongs to the agricultural hot house field, hot house bow member periphery interval is provided with along the depth direction upwards slide and sets up the slide mechanism of sunshade heat preservation, is fixed with the sunshade layer on the slide mechanism, the last drive mechanism that is connected with of slide mechanism, drive the sunshade layer and overlap or expand along the depth direction, be provided with illuminance switch and time switch and mutual change over switch on hot house's the solar protection devices, summer, set for according to illuminance and start or close the cold-proof device of sunshade, winter is according to the settlement start-up or close solar protection devices of time, the utility model discloses can reduce manual operation's intensity of labour, overcome artifical repeated labor phenomenon, prevent that melon and vegetable are excessively heated, prevent environmental pollution, improve the quality and the output of agricultural product, realize the mechanization of big-arch shelter.
Description
Technical Field
The utility model relates to a solar protection devices, in particular to solar protection devices of hot house belongs to the agricultural hot house field.
Background
Agricultural modernization has gradually developed to width and breadth, vast farmers rely on scientific field planting to walk on rich roads, in rural areas, the plastic greenhouse has been accepted by the vast farmers, the vast farmers have taken the plastic greenhouse as one of effective ways for increasing both production and income and improving economic income, fruits and vegetables are planted in the greenhouse, and even autumn crops begin to be planted, the plastic greenhouse not only can enable the vegetables and fruits to come into the market earlier than normal mature season in spring and summer, but also can enable the vegetables and fruits not to grow in winter and plant vegetables in the north, so that the supply of the northern vegetables is improved, the life habits and dietary structures of people are gradually changed, and the life quality of people is greatly improved.
As known, the greenhouse is used for ensuring the growth temperature environment of plants, but the higher the greenhouse is, the better the greenhouse is, in the process of planting vegetables, fruits and vegetables in the greenhouse, the high-temperature strong light is a very unfavorable factor in the production of over-summer and over-autumn greenhouse facilities, the high-quality development of the agricultural industry is restricted, the quality of agricultural products is reduced, and the income of growers is influenced.
In order to solve the problem that high temperature and strong light in the process of prolonging the summer and autumn of melons and vegetables cause the influence on agricultural production, the measures adopted in the prior production mainly comprise three methods of spraying' cooling chemical products, splashing slurry and pulling a sunshade net, and the three methods have certain disadvantages in the actual application process.
The purpose of spraying the 'cool benefiting' chemical product is to reduce high-temperature strong light, play a role in shading, solve the adverse factor of high-temperature strong light at noon through shading, and although the product reduces the high-temperature strong light at noon, the product can bring the disadvantage of weak light in the morning and evening, but limits the photosynthesis of crops, influences the accumulation of dry matters, reduces the yield and the quality, and particularly has more obvious contradiction in autumn-delayed production.
Spraying chemical products can alleviate the sunshine illumination to a certain extent, and the defect of weak illumination in the morning and evening can be brought, and the spraying of the chemical products can bring pollution to the environment and the atmosphere, and is not a good sun-shading selection measure.
The splashing mud can solve the adverse factor of high-temperature and strong light at noon, but the time of weak light in the morning and evening restricts the photosynthesis of crops to influence the accumulation of dry matters, so that the yield and the quality are reduced, particularly the contradiction is more obvious in autumn-delayed production, and the repeated splashing is needed when the crops are flushed by rainwater in rainy weather, so that the defect of poor using effect is caused.
The defects of the former two methods can be overcome by pulling the sunshade net, manual pulling can be carried out according to the illumination intensity and the temperature to carry out sunshade cooling, however, the frequent operation is large in labor intensity, high in occupied labor cost, and capable of reducing the price competitive advantage of agricultural greenhouse products.
How to reduce the labor intensity, prevent the environmental pollution, improve the quality and the yield of agricultural products, solve the defects of the traditional sun-shading method and improve the modernization degree of the production of the agricultural greenhouse is a subject in front of agricultural technicians on the premise of not polluting the environment.
Disclosure of Invention
In answering the high temperature highlight measure in the production of delaying summer, autumn to present melon and vegetable, chemical products can bring the drawback that illumination is not strong and environmental pollution and the drawback of repeated work early and late with splashing mud, and traditional sunshade net can bring intensity of labour big, problem with high costs, the utility model provides a hot house's solar protection devices, its purpose reduces manual operation's intensity of labour, overcomes artifical repeated work phenomenon, prevents that melon and vegetable from excessively being heated, prevents environmental pollution, improves the quality and the output of agricultural product, realizes the mechanization of big-arch shelter.
The technical scheme of the utility model is that: a sun-shading device of a plastic greenhouse comprises a plastic greenhouse arch frame and a sun-shading layer, wherein sliding mechanisms sliding in the depth direction are arranged at intervals on the periphery of the plastic greenhouse arch frame, the sun-shading layer is fixed on the sliding mechanisms, the sliding mechanisms are connected with traction mechanisms, the traction mechanisms drive the sun-shading layer to expand or contract and overlap in the depth direction, the sun-shading device of the plastic greenhouse is provided with a illuminance switch, and the sun-shading device is started or closed according to illuminance setting in summer;
furthermore, the sliding mechanism comprises a plurality of sliding chutes or sliding rails, and at least comprises sliding chutes or sliding rails arranged at the top and in the depth directions of two sides of the arched frame of the plastic greenhouse, a plurality of sliding parts or sliding blocks are respectively arranged in the sliding chutes or on the sliding rails, sun-shading layers are fixed on the sliding parts or the sliding blocks at the periphery of the greenhouse, pulleys are respectively arranged at two ends of the sliding chutes or the sliding rails in the depth directions of the top and two sides of the greenhouse, traction ropes are respectively arranged on each pulley in a sliding manner, a sun-shading frame is fixed on the sliding parts or the sliding blocks at one end of the sliding chutes or the sliding rails, the sun-shading layers are fixed on the sun-shading frames, one ends of the traction ropes are connected to the inner side of the greenhouse in the direction, and the other ends of the traction ropes extend to;
furthermore, the traction mechanism is arranged at the end part of the greenhouse in the depth direction and comprises a speed reducing motor, an output shaft of the speed reducing motor is connected with a differential mechanism, half shafts at two ends of the differential mechanism are respectively and synchronously and rotatably connected with traction rope winding rollers at two sides of the greenhouse, one of the half shafts is provided with a transmission mechanism in the vertical direction, and the transmission mechanism is synchronously and rotatably connected with the top traction rope winding roller;
furthermore, a sliding mechanism support is arranged on the periphery of the arched frame of the plastic greenhouse, a plastic film pressing sheet is arranged on the sliding mechanism support, and a pressing bolt is arranged at the outer end of the pressing sheet;
further, the pulley and the traction rope winding roller are respectively provided with a fixing frame, the pulley comprises an expansion pulley and a contraction pulley, and the traction rope winding roller comprises an expansion winding part or a contraction winding part;
further, the hauling cable comprises an unfolding hauling cable and a folding hauling cable, the unfolding hauling cable slides or is wound on the unfolding winding parts of the unfolding pulley and the hauling cable winding roller, and the folding hauling cable slides or is wound on the folding winding parts of the folding pulley and the hauling cable winding roller;
furthermore, the end part of the half shaft extends to the traction rope winding rollers on the two sides, a transmission mechanism in the vertical direction is arranged on the half shaft at the same time, and the transmission mechanism in the vertical direction is connected with the top traction rope winding roller;
furthermore, the speed reducing motor is a forward and reverse rotating motor and respectively corresponds to the contraction and the expansion of the sun-shading layer.
The utility model discloses the positive effect who has is: the sliding mechanism of the sunshade layer is arranged in the depth direction of the periphery of the plastic greenhouse, so that the sunshade layer can be unfolded and contracted along the depth direction of the periphery of the plastic greenhouse under the driving of the traction mechanism connected to the sliding mechanism, the melon and vegetable in the greenhouse can be prevented from being overheated after being unfolded, the sunshade effect can be realized in summer, the sunlight irradiation can be facilitated after the sunshade layer is contracted, and the photosynthesis is promoted; the motor is automatically started to start sun shading and heat insulation after the illumination intensity reaches the set intensity, and the motor automatically rotates to shrink the opened sun shading layer after the illumination intensity is reduced, so that sunlight irradiates the inside of the plastic greenhouse through the plastic greenhouse, and melons and vegetables in the greenhouse are subjected to normal photosynthesis; the sliding mechanism is provided with a plurality of sliding chutes or sliding rails, and the sliding chutes or sliding rails are provided with sliding pieces or sliding blocks, so that the sliding pieces or the sliding blocks can drive the sunshade layer to contract or expand in the sliding process; through setting up the pulley at spout or slide rail both ends, can utilize the pulley to make and remove to two directions under drive mechanism's traction, carry out plastic film's cover or expose, through set up haulage rope winding roller at spout or slide rail tip, can twine the haulage rope above that, through connecting differential mechanism on gear motor's output shaft, can make the direction of rotation of a plurality of haulage rope winding rollers keep unanimous, thereby can implement simultaneously and rotate and make the sunshade layer keep the cadence unanimous at the shrink in-process, through utilizing the utility model discloses, can reduce manual operation's intensity of labour, overcome artifical repetitive labor phenomenon, prevent that melon and vegetable from being overheated, prevent environmental pollution, improve the quality and the output of agricultural product, realize the mechanization of big-arch shelter.
Drawings
Fig. 1 is a schematic view of the end face structure of the present invention.
Fig. 2 is a schematic side view of the connection between the runner or slide and the traction mechanism.
FIG. 3 is a schematic view of a connection structure of the steel wire rope when the sunshade layer is opened.
Fig. 4 is a schematic structural diagram of a traction mechanism on the end surface of the plastic film greenhouse.
Fig. 5 is a schematic structural view of the pulley on the end surface of the plastic film greenhouse.
Fig. 6 is a schematic structural view of the sliding groove and the sliding part on the end surface of the plastic film greenhouse.
Fig. 7 is a schematic end view of the slide rail 20 and the slider.
Description of reference numerals: 10-plastic film, 11-sunshade layer, 12-plastic greenhouse arch frame, 13-speed reducing motor, 14-differential mechanism, 15-half shaft, 16 a-chain wheel I, 16 b-chain wheel II, 17 a-traction rope winding roller I, 17 b-traction rope winding roller II, 17 c-traction rope winding roller III, 18-winding roller frame, 19-sunshade frame, 20-slide rail, 20 a-slide block, 20 b-sunshade bottom block, 21-front end contraction pulley, 22-front end expansion pulley, 23-rear end contraction pulley, 24-rear end expansion pulley, 25-front top end contraction pulley, 26-front top end expansion pulley, 27-rear top end contraction pulley, 28-rear top end expansion pulley, 29-plastic greenhouse horizontal frame, 30 a-contraction traction rope, 30-plastic greenhouse arch frame, 15-half shaft, 16-differential mechanism, 16-half shaft, 16 a-chain wheel I, 16 b-chain wheel II, 17 a-traction rope winding roller II, 30 b-unfolding a traction rope, 31-a sliding groove, 31 a-a sliding piece, 31 b-a sunshade base, 32-a chain, 33-a pressing piece, 34-a nut frame, 35-a pressing bolt and 36-a support.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
In the following description, one end of the vinyl house provided with the traction device is referred to as a front end and the opposite end is referred to as a rear end.
The technical scheme of the utility model is a solar protection devices of hot house, figure 1 is the utility model discloses an end face structure schematic diagram, figure 2 are the side structure schematic diagram of being connected between spout 31 or slide rail 20 and the drive mechanism. The sun shading device of the plastic greenhouse comprises a plastic greenhouse arch frame 12 and a sun shading layer 11, a sliding mechanism which is provided with the sun shading layer 11 in a sliding mode in the depth direction is arranged at the periphery of the plastic greenhouse arch frame 12 at intervals, the sun shading layer 11 is fixed on the sliding mechanism, a traction mechanism is connected onto the sliding mechanism, the traction mechanism drives the sun shading layer 11 to expand or contract and overlap in the depth direction, a illuminance switch is arranged on the sun shading device of the plastic greenhouse, in summer, the sun shading device is started or closed according to illuminance setting, and the sliding mechanism is fixed on a plastic greenhouse horizontal frame 29.
The sliding mechanism comprises a plurality of sliding chutes 31 or sliding rails 20 and at least comprises sliding chutes 31 or sliding rails 20 arranged at the top and two sides of the arched frame 12 of the vinyl house in the depth direction, a plurality of sliding pieces 31a or sliding blocks 20a are respectively arranged in the sliding chutes 31 or the sliding rails 20, a sun-shading layer 11 is fixed on the plurality of sliding pieces 31a or the sliding blocks 20a at the periphery of the vinyl house by using a sun-shading base 31b or a sun-shading bottom block 20b, a set of pulleys are respectively arranged at the top and two ends of the sliding chutes 31 or the sliding rails 20 in the depth direction of the vinyl house, a plurality of traction ropes are respectively arranged on each set of pulleys in a sliding manner, a sun-shading frame 19 is fixed at one end of the sliding chutes 31 or the sliding rails 20a sliding piece 31a or one end of the sliding block 20a sliding piece close to the traction mechanism, an end of the sun-shading layer 11 is fixed on the sun-shading frame 19, one ends of the sun-shading frame 19 arranged at the On a roll.
The traction mechanism is arranged at the end part of the greenhouse in the depth direction and comprises a speed reducing motor 13, a differential 14 is connected to an output shaft of the speed reducing motor 13, half shafts 15 at two ends of the differential 14 are respectively connected with traction rope winding rollers on two sides of the greenhouse in a synchronous rotating mode, a transmission mechanism in the vertical direction is arranged on one half shaft 15, and the transmission mechanism is connected with the top traction rope winding rollers in a synchronous rotating mode.
The pulley and the haulage rope winding roller are provided with the mount respectively, 18 are the winding roller frame, and the pulley is including expandeing pulley and shrink pulley, haulage rope winding roller including expansion winding part or shrink winding part.
The haulage rope is including launching the haulage rope and contracting the haulage rope, and the expansion haulage rope slides or twines in the expansion winding part of expansion gyro wheel and haulage rope winding roller, and the contraction haulage rope slides or twines in the contraction winding part of contraction gyro wheel and haulage rope winding roller.
The contraction is the action of overlapping and contracting the sunshade layer to one side of the greenhouse in the depth direction, and the expansion enables the sunshade layer to expand from the contraction state to cover the periphery of the plastic greenhouse.
In this embodiment, the end of the sliding rail 20 or the sliding chute 31 at one end of the vinyl house is provided with a retracting pulley, an expanding pulley and a traction rope winding roller, specifically, the two sides and the top of the vinyl house are respectively provided with the retracting pulley, the expanding pulley and the traction rope winding roller corresponding to the contracting pulley and the expanding pulley, each winding roller is provided with an expanding winding part and a contracting winding part (i.e., an expanding part or a contracting part), and the plurality of rollers are respectively provided with the retracting pulley, the expanding pulley and the contracting winding part and the expanding winding part of the traction rope winding roller corresponding to the expanding pulley through respective supporting frames.
The retractable pulley and the extendable pulley are provided in the retracting direction and the extending direction, respectively, and specifically, 21 is a front retractable pulley, 23 is a rear retractable pulley, and a retractable winding portion of a traction rope winding roller provided at the front end corresponding to the front retractable pulley, and a retractable traction rope 30a in the retracting direction is wound around the retractable winding portion.
The opposite direction pulling ropes are wound on the front end unwinding pulley 22, the rear end unwinding pulley 24 and the corresponding unwinding winding parts on the two pulling rope winding rollers. On which a deployment pulling rope 30b in the deployment direction is wound.
Fig. 3 is a schematic view of the connection structure of the steel wire rope when the sunshade layer is opened. In the present embodiment, the front end retracting pulley 21, the front end expanding pulley 22, the rear end retracting pulley, and the rear end expanding pulley 24 are all vertically disposed, and the front end retracting pulley 25, the rear end retracting pulley 27, and the retracting winding portion of the corresponding traction rope winding wheel are respectively disposed at the top end of the vinyl house corresponding thereto.
The both ends top of the big-arch shelter of expecting is provided with: the front top end contraction pulley 25, the rear top end contraction roller 27, and the contraction winding part of the traction rope winding wheel corresponding thereto are wound with a contraction traction rope 30 a.
Fig. 4 is a schematic structural view of a traction mechanism on the greenhouse end surface of the plastic film 10. The end part of the greenhouse is parallel to the contraction pulley and the contraction winding part and is provided with: the front top unwinding pulley 26, the rear top unwinding roller 28, and the unwinding winding part of the corresponding rope winding wheel, around which the unwinding traction rope 30b is wound.
The front top end contraction pulley 25, the rear top end contraction roller 27 and the contraction winding part of the corresponding traction rope winding wheel, and the front top end expansion pulley 26, the rear top end expansion roller 28 and the expansion winding part of the corresponding traction rope winding wheel are fixed on the extending part at the end part of the horizontal frame 29 of the vinyl house at the top.
In this embodiment, the traction rope utilizes a thin wire rope.
The end part of the half shaft 15 extends to the first traction rope winding roller 17a and the second traction rope winding roller 17b on two sides, a transmission mechanism in the vertical direction is arranged on the half shaft at the same time, and the transmission mechanism in the vertical direction is connected with the third traction rope winding roller 17c arranged at the top.
In this embodiment, the first sprocket 16a is disposed on one side axle shaft 15, the second sprocket 16b is disposed on the rotating shaft of the third traction rope winding roller disposed on the top, and the first sprocket 16a and the second sprocket 16b are connected by the chain 32, but may be connected by a belt and a pulley, a gear and a gear belt or a sector gear, or the like.
Fig. 5 is a schematic structural view of pulleys on the end surface of the plastic film 10, and the speed reduction motor 13 is a forward and reverse rotation motor, and corresponds to the retraction and the expansion of the sunshade layer 11.
Fig. 6 is a schematic structural view of a chute 31 and a sliding member 31a on the end surface of the vinyl house 10, and fig. 7 is a schematic structural view of a sliding rail and a sliding block 20a, a sliding mechanism bracket is arranged on the periphery of the arched frame 12 of the vinyl house, a pressing bracket is arranged on a bracket 36 on the lower side of the chute 31 or the sliding rail 20, a nut bracket 34 is fixed on the bracket 36, a plurality of pressing bolts 35 are connected to the nut bracket 34 in a threaded manner, a pressing sheet 33 is rotatably connected to the end portions of the plurality of pressing bolts 35, and the pressing member 33 presses the film 10.
The utility model discloses the positive effect who has is: the sliding mechanism of the sunshade layer is arranged in the depth direction of the periphery of the plastic greenhouse, so that the sunshade layer can be unfolded and contracted along the depth direction of the periphery of the plastic greenhouse under the driving of the traction mechanism connected to the sliding mechanism, after the sunshade layer is unfolded, the melon and vegetable in the greenhouse can be prevented from being overheated and playing a role of sunshade in summer, after the sunshade layer is contracted, the sunlight irradiation is facilitated, and the photosynthesis can be promoted; the illumination switch can be used in summer, the rotation of the speed reducing motor 13 is implemented according to the setting of the illumination intensity, the speed reducing motor 13 is automatically started to start sun shading and heat insulation after the illumination intensity reaches the set intensity, and the speed reducing motor 13 automatically rotates to shrink the opened sun shading layer after the illumination intensity is reduced, so that the sunlight irradiates the inside of the plastic greenhouse through the plastic greenhouse, and the melon and vegetable in the greenhouse can be subjected to normal photosynthesis; the sliding mechanism is provided with the plurality of sliding grooves 31 or the sliding rails 20, and the sliding parts 31a or the sliding blocks 20a are arranged in the sliding grooves 31 or the sliding rails 20, so that the sliding parts 31a or the sliding blocks 20a can drive the sunshade layers to contract or expand in the sliding process; through set up the pulley at spout 31 or slide rail both ends, can utilize the pulley to make and remove to two directions under drive mechanism's traction, carry out the cover of plastic film 10 or expose, through set up haulage rope winding roller at spout 31 or slide rail tip, can twine the haulage rope on it, through connecting differential mechanism 14 on gear motor 13's output shaft, can make the direction of rotation of a plurality of haulage rope winding rollers keep unanimous, thereby can implement simultaneously and rotate and make the sunshade layer keep the pace unanimous at shrink in-process, through utilizing the utility model discloses, can reduce manual operation's intensity of labour, overcome artifical repeated labor phenomenon, prevent that melon and vegetable from excessively being heated, prevent environmental pollution, improve the quality and the output of agricultural product, realize the mechanization of big-arch shelter.
Claims (8)
1. The utility model provides a hot house's solar protection devices, includes hot house bow member and sunshade layer, its characterized in that: the periphery of the arched frame of the plastic greenhouse is provided with sliding mechanisms which slide along the depth direction at intervals, the sliding mechanisms are fixedly provided with the sunshade layers, the sliding mechanisms are connected with traction mechanisms, the traction mechanisms drive the sunshade layers to expand or contract and overlap along the depth direction, the sunshade device of the plastic greenhouse is provided with a illuminance switch, and the sunshade device is started or closed according to illuminance setting in summer.
2. The sunshade device for vinyl house of claim 1, wherein: slide mechanism includes a plurality of spouts or slide rail, at least including setting up spout or the slide rail at hot house bow member top and both sides depth direction, be provided with a plurality of sliders or slider in the spout or on the slide rail respectively, be fixed with the sunshade layer on a plurality of sliders or the slider of big-arch shelter periphery, the spout or the slide rail both ends of big-arch shelter top and both sides depth direction are provided with complete set pulley respectively, it is provided with the haulage rope to slide respectively on every set of pulley, be fixed with the sunshade frame on spout or the slide rail one end slider or the slider, be fixed with the sunshade layer on the sunshade frame, the sunshade frame upwards is connected with the one end of many haulage ropes towards big-arch shelter inboard, the other one end of a plurality of haulage ropes is passed through the pulley and is all extended to the other one end top of.
3. The sunshade device for vinyl house of claim 1, wherein: the traction mechanism is arranged at the end part of the greenhouse in the depth direction and comprises a speed reducing motor, a differential mechanism is connected to an output shaft of the speed reducing motor, half shafts at two ends of the differential mechanism are respectively connected with traction rope winding rollers on two sides of the greenhouse in a synchronous rotating mode, a transmission mechanism in the vertical direction is arranged on one of the half shafts, and the transmission mechanism is connected with the top traction rope winding roller in a synchronous rotating mode.
4. The sunshade device for vinyl house of claim 1, wherein: the periphery of the arched frame of the plastic greenhouse is provided with a sliding mechanism support, a plastic film pressing sheet is arranged on the sliding mechanism support, and the outer end of the pressing sheet is provided with a pressing bolt.
5. The sunshade device for vinyl house of claim 2, wherein: the pulley and the traction rope winding roller are respectively provided with a fixing frame, the pulley comprises an expansion pulley and a contraction pulley, and the traction rope winding roller comprises an expansion winding part or a contraction winding part.
6. The sunshade device for vinyl house of claim 3, wherein: the haulage rope is including launching the haulage rope and contracting the haulage rope, and the expansion haulage rope slides or twines in the expansion winding part of expansion gyro wheel and haulage rope winding roller, and the contraction haulage rope slides or twines in the contraction winding part of contraction gyro wheel and haulage rope winding roller.
7. The sunshade device for vinyl house of claim 3, wherein: the end part of the half shaft extends to the traction rope winding rollers on the two sides, a transmission mechanism in the vertical direction is arranged on the half shaft at the same time, and the transmission mechanism in the vertical direction is connected with the top traction rope winding roller.
8. The sunshade device for vinyl house of claim 3, wherein: the speed reducing motor is a forward and reverse rotating motor and respectively corresponds to the contraction and the expansion of the sunshade layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866418.8U CN213073797U (en) | 2020-09-01 | 2020-09-01 | Sun-shading device of plastic greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866418.8U CN213073797U (en) | 2020-09-01 | 2020-09-01 | Sun-shading device of plastic greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213073797U true CN213073797U (en) | 2021-04-30 |
Family
ID=75633099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021866418.8U Expired - Fee Related CN213073797U (en) | 2020-09-01 | 2020-09-01 | Sun-shading device of plastic greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213073797U (en) |
-
2020
- 2020-09-01 CN CN202021866418.8U patent/CN213073797U/en not_active Expired - Fee Related
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