CN113016443A - Winding and unwinding device and greenhouse rolling mechanism thereof - Google Patents

Winding and unwinding device and greenhouse rolling mechanism thereof Download PDF

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Publication number
CN113016443A
CN113016443A CN202110330131.6A CN202110330131A CN113016443A CN 113016443 A CN113016443 A CN 113016443A CN 202110330131 A CN202110330131 A CN 202110330131A CN 113016443 A CN113016443 A CN 113016443A
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CN
China
Prior art keywords
rolling
greenhouse
roller shutter
pull rod
roller
Prior art date
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Pending
Application number
CN202110330131.6A
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Chinese (zh)
Inventor
耿端阳
张祥彩
姚艳春
武继达
王宪良
陈玉龙
朱俊科
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Shandong University of Technology
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Shandong University of Technology
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Filing date
Publication date
Application filed by Shandong University of Technology filed Critical Shandong University of Technology
Priority to CN202110330131.6A priority Critical patent/CN113016443A/en
Publication of CN113016443A publication Critical patent/CN113016443A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/22Shades or blinds for greenhouses, or the like
    • A01G9/227Shades or blinds for greenhouses, or the like rolled up during non-use
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Greenhouses (AREA)

Abstract

The invention discloses a winding and unwinding device and a roller shutter mechanism of a greenhouse, and the winding and unwinding device comprises a transmission mechanism and a driving mechanism for driving the transmission mechanism to move, wherein the transmission mechanism comprises a shell provided with a lead screw nut, a lead screw, a gear, a driving wheel, a driven wheel and a scroll; the scroll bar used for the roller shutter is not connected with the gear of the transmission mechanism, but is arranged between the driving wheel and the driven wheel, and the power source of the roller shutter is the friction force generated between the scroll bar and the driving wheel, so that the scroll bar and the transmission mechanism are both in a state of uniform rotation, the rotating speed of the transmission mechanism cannot be changed along with the increase of the thickness of the roller shutter on the scroll bar, the roller shutter on the greenhouse cannot be pulled, and the quality and the service life of the roller shutter are ensured.

Description

Winding and unwinding device and greenhouse rolling mechanism thereof
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a winding and unwinding device and a rolling mechanism of a greenhouse.
Background
At present, the agricultural development adopts the greenhouse to enable crops to grow in winter, the greenhouse is generally a right-angled triangle with an inclined edge arched, the inclined edge utilizes the light transmission of the plastic cloth, the plants receive the illumination passing through the plastic cloth in the daytime, but at night, the greenhouse needs to be covered with a straw curtain or a heat preservation quilt on the plastic cloth, and the crops are prevented from being frozen to death at the cold night. At the present stage, each greenhouse is provided with a straw curtain and a heavy object, the greenhouse is built on the ground, the upper part of the greenhouse is an arc-shaped surface, the curvature of the greenhouse is gradually increased from the highest part to the lowest part, the straw curtain covers the upper part of the greenhouse, one end of the straw curtain is arranged at the upper part of the greenhouse, the other end of the straw curtain is arranged at the bottom of the greenhouse and is laid parallel to the side edge of the greenhouse, the heavy object presses the curtain at the upper part of the greenhouse, the straw curtains are generally small due to the limitation of manual capacity and need to be pulled from the bottom to the top of the greenhouse one by one, a large amount of time is wasted in the process, the growth of crops is delayed, although an automatic roller shutter mechanism of the greenhouse exists in the prior art, a driving mechanism of the automatic roller shutter mechanism is often directly connected with a roller, when the roller shutter on the roller is thick, the linear rotation speed of the roller can be changed, the roller shutter cannot be synchronized with the driving mechanism, the driving mechanism can cause pulling damage to the roller The greenhouse cannot realize the uniform-speed operation of the scroll, so that the driving mechanism pulls the roller shutter. In order to solve the problems, the invention provides a winding and unwinding device and a rolling mechanism of a greenhouse, so as to achieve the purpose of realizing uniform rotation of a winding shaft.
Disclosure of Invention
The invention aims to provide a winding and unwinding device and a rolling mechanism of a greenhouse, and the purpose of realizing uniform rotation of a winding shaft is achieved. In order to achieve the purpose, the invention provides the following scheme:
the utility model provides a receive unwinding device, includes drive mechanism and is used for the drive the actuating mechanism of drive mechanism motion, drive mechanism is including the casing, lead screw, gear, action wheel, the follow driving wheel and the spool of installing screw nut, the lead screw runs through the casing and with screw nut cooperation is connected, the gear with lead screw meshing is connected, the gear with the action wheel transmission is connected, the spool is to erect the knot and is located the action wheel with from the top of driving wheel, just the tip of spool simultaneously with the action wheel with follow driving wheel looks butt.
Preferably, the driving mechanism comprises a motor, and the output end of the motor is connected with the screw rod.
Preferably, the outer surface of the driving wheel is provided with a tooth-shaped structure for increasing the friction force between the driving wheel and the reel.
The utility model provides a warmhouse booth's roll up curtain mechanism, includes front column and rear column, front column and rear column install respectively in the both sides of rolling up the curtain trend, the lead screw both ends are installed respectively the front column with on the rear column.
Preferably, the roller shutter further comprises a pull rod and a pressing roller in contact with the roller shutter, one end of the pull rod is hinged to the outside of the shell, and the other end of the pull rod is connected with a roller shaft of the pressing roller.
Preferably, a pull rod spring for compacting the roller shutter by the compression roller is pulled and connected between the pull rod and the shell.
Preferably, the shell is provided with a limiting plate for limiting the pull rod to move along the direction of the greenhouse, the limiting plate is provided with a clamping groove, and the end part of the pull rod is arranged in the clamping groove.
Preferably, the lower end of the roller shutter is fixedly mounted on the roller shaft, and a plurality of roller shutter springs for tensioning the roller shutter are tied between the upper end of the roller shutter and the ground.
Preferably, the rolling curtain springs are uniformly arranged along the trend of the greenhouse, and the distance between every two adjacent rolling curtain springs is 0.8-1.2 m.
Preferably, the deformation amount of the rolling curtain springs is 5% -10% of the rolling curtain length.
Compared with the prior art, the invention has the following technical effects:
1. the scroll bar used for the roller shutter is not connected with the gear of the transmission mechanism, but is arranged between the driving wheel and the driven wheel, and the power source of the roller shutter is the friction force generated between the scroll bar and the driving wheel, so that the scroll bar and the transmission mechanism are both in a state of uniform rotation, the rotating speed of the transmission mechanism cannot be changed along with the increase of the thickness of the roller shutter on the scroll bar, the roller shutter on the greenhouse cannot be pulled, and the quality and the service life of the roller shutter are ensured.
2. According to the invention, the tooth-shaped structure for increasing the friction force between the driving wheel and the scroll is arranged on the outer surface of the driving wheel, and the roughness of the outer surface of the driving wheel is increased by the tooth-shaped structure, so that the friction force between the driving wheel and the scroll is increased, the stable rotation of the scroll is ensured, and the problem that the scroll is unstable in rotation and slips due to insufficient friction force is solved.
3. The rolling curtain device also comprises a pull rod and a pressing roller which is in contact with the rolling curtain, one end of the pull rod is hinged to the outside of the shell, the other end of the pull rod is connected with a roller shaft of the pressing roller, the pressing roller on the rolling curtain can compact the rolling curtain through self gravity, the rolling curtain is ensured to be in a flat and wrinkle-free state, when the rolling curtain is released, the pressing roller can compact and flatten the released rolling curtain, the rolling curtain is tightly attached to the top of the greenhouse, the heat preservation effect of the greenhouse is enhanced, when the rolling curtain is folded, the pressing roller compacts the rolling curtain which needs to be rolled in advance, the rolling curtain is kept in a flat state, the rolling of the rolling curtain is facilitated, and the rolling efficiency of the rolling curtain is improved.
4. The lower end part of the roller shutter is fixedly arranged on the scroll, a plurality of roller shutter springs for tensioning the roller shutter are tied between the upper end part of the roller shutter and the ground, the roller shutter is always in a tensioned state under the action of the tie of the roller shutter springs and is fixed, and the problem that the roller shutter is displaced under the action of the scroll, so that the top surface of the greenhouse is incompletely covered is solved.
Drawings
In order to more clearly illustrate the present invention or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a greenhouse rolling mechanism;
FIG. 2 is a rear view of a greenhouse rolling mechanism;
wherein, 1, a roller shutter spring; 2. a front pillar; 3. a support; 4. a motor; 5. a coupling; 6. rolling a curtain; 7. a lead screw; 8. a compression roller; 9. a pull rod; 10. a pull rod spring; 11. a limiting plate; 12. a driving wheel; 13. a gear; 14. a housing; 15. a chain; 16. a driven wheel; 17. a greenhouse top framework; 18. a bearing seat; 19. a rear pillar; 20. a reel; 21. a bearing; 22. hinging a shaft; 23. a shaft seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a winding and unwinding device and a rolling mechanism of a greenhouse, and the purpose of realizing uniform rotation of a winding shaft is achieved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, a winding and unwinding device includes a transmission mechanism and a driving mechanism for driving the transmission mechanism to move, the transmission mechanism includes a housing 14 provided with a lead screw nut, a lead screw 7, a gear 13, a driving wheel 12, a driven wheel 16 and a reel 20, the lead screw 7 penetrates through the housing 14 and is connected with the lead screw nut in a matching manner, the gear 13 is connected with the lead screw 7 in a meshing manner, the gear 13 is connected with the driving wheel 12 in a driving manner, the reel 20 is arranged above the driving wheel 12 and the driven wheel 16 in a bridging manner, and the end of the reel 20 is abutted to the driving wheel 12 and the driven wheel 16 at the same time; the scroll 20 used for the roller shutter 6 is not connected with the gear 13 of the transmission mechanism, but is arranged between the driving wheel 12 and the driven wheel 16, the power source of the roller shutter 6 is the friction force generated between the scroll 20 and the driving wheel 12, therefore, the scroll 20 and the transmission mechanism are both in a state of uniform rotation, along with the increase of the thickness of the roller shutter 6 on the scroll 20, the rotating speed of the transmission mechanism cannot be changed, the roller shutter 6 on the greenhouse cannot be dragged, the quality and the service life of the roller shutter 6 are ensured, further, the gear 13 is in transmission connection with the driving wheel 12 through the chain 15, and the synchronism of the movement of the gear 13 and the driving wheel 12 is ensured.
Referring to fig. 1, the driving mechanism includes a motor 4, an output end of the motor 4 is connected with a lead screw 7, the rotation of the motor 4 drives the lead screw 7 to rotate, so that the rolling 6 process of the rolling shaft 20 can be completed, the operation is simple and convenient, and further, the motor 4 is connected with the lead screw through a coupling 5 in a matching manner.
Further, the outer surface of the driving wheel 12 is provided with a tooth-shaped structure for increasing the friction force between the driving wheel 12 and the reel 20, the tooth-shaped structure increases the roughness of the outer surface of the driving wheel 12, so that the friction force between the driving wheel 12 and the reel 20 is increased, the stable rotation of the reel 20 is ensured, and the problem of slippage caused by unstable rotation of the reel 20 due to insufficient friction force is avoided.
Referring to fig. 1-2, a rolling mechanism of a greenhouse comprises a front upright post 2 and a rear upright post 19, wherein the front upright post 2 and the rear upright post 19 are respectively installed at two sides of the moving direction of a rolling curtain 6, two ends of a screw rod 7 are respectively installed on the front upright post 2 and the rear upright post 19, further, the lower end part of the rolling curtain 6 of the greenhouse is fixedly connected with a scroll 20, the front upright post 2 and the rear upright post 19 are respectively installed at two sides of the moving direction of the rolling curtain 6, so that the rolling curtain 6 on the whole greenhouse is covered, the rolling and unrolling process of the rolling curtain 6 of the greenhouse can be completed by moving a rolling and unrolling device on the screw rod 7, and meanwhile, the front upright post 2 and the rear upright post 19 lift a transmission mechanism, so that the weight of the transmission mechanism does not act on the top of the greenhouse, and the problem of damage of the; still further, set up two sets of rolling up and paying off device, respectively symmetrical arrangement is in the both sides of warmhouse booth minor face, the both ends of spool 20 erect respectively in the drive wheel 12 of two sets of rolling up and paying off device and follow the upper portion of driving wheel 16, accomplish the support connection to spool 20, when the drive wheel 12 synchronous operation of both sides, spool 20 also can take place the uniform velocity and rotate, and receive and release of rolling up curtain 6, on the one hand two drive wheels 12 have increased the receiving and releasing speed of spool 20 through the frictional force to spool 20 drive, on the other hand, the lift of the drive wheel 12 at both ends to spool 20 has guaranteed spool 20 moving stability.
Referring to fig. 1, the invention further comprises a pull rod 9 and a press roller 8 in contact with the roller shutter 6, one end of the pull rod 9 is hinged to the outside of the housing 14, the other end of the pull rod 9 is connected with a roller shaft of the press roller 8, the press roller 8 on the roller shutter 6 can compact the roller shutter 6 through self gravity, so that the roller shutter 6 is in a flat and wrinkle-free state, when the roller shutter 6 is released, the press roller 8 can compact the released roller shutter 6 to be flat, so that the roller shutter 6 is tightly attached to the top of the greenhouse, the heat insulation effect of the greenhouse is enhanced, when the roller shutter 6 is retracted, the press roller 8 compacts the roller shutter 6 to be rolled up in advance, so that the roller shutter 6 is kept in a flat state, the roller shutter 6 is conveniently rolled up, the rolling efficiency of the roller shutter 6 is improved, and further, the pull rod is hinged to the housing 14 through a bearing seat 18.
Referring to fig. 1, a pull rod spring 10 for ensuring that the roller 8 compacts the roller shutter 6 is connected between the pull rod 9 and the housing 14, and through the arrangement of the pull rod spring 10, the pull rod 9 and the housing 14 are kept in a tensioned state, so that the roller 8 compacts on the roller shutter 6, and meanwhile, the pull rod spring 10 also has a damping effect, when the winding shaft 20 retracts or retracts the roller shutter 6, the winding shaft can decelerate or stop immediately, the pull rod 9 and the roller 8 connected with the pull rod 9 can continue to advance under the action of inertia, due to the arrangement of the pull rod spring 10, the impact of the roller 8 and the pull rod 9 on the housing 14 due to the action of inertia can be effectively weakened, in addition, due to the unevenness of the roller shutter 6, the rolling motion of the roller 8 can bring vibration to the housing 14, and the arrangement of the pull rod spring 10 can also play a damping effect.
Further, install the limiting plate 11 that is used for restricting pull rod 9 and moves along warmhouse booth trend direction on the casing 14, seted up the draw-in groove on the limiting plate 11, the tip of pull rod 9 is installed in the draw-in groove, and pull rod 9 can not produce the motion along warmhouse booth trend direction at the in-process of motion, has avoided rocking of pull rod 9 to lead to compression roller 8 that one end of pull rod 9 is connected to produce and rocks and can not to the problem of rolling up 6 compactors.
Referring to fig. 1-2, the lower end of the roller shutter 6 is fixedly mounted on the roller 20, a plurality of roller shutter springs 1 for tensioning the roller shutter 6 are tied between the upper end of the roller shutter 6 and the ground, the roller shutter 6 is always in a tensioned state under the tying action of the roller shutter springs 1, and the roller shutter 6 is fixed, so that the problem that the roller shutter 6 is displaced under the action of the roller 20, and the top surface of the greenhouse framework 17 is incompletely covered is avoided.
Further, a plurality of roll up curtain spring 1 and evenly arrange along warmhouse booth's trend, adjacent roll up curtain spring 1's interval is 0.8-1.2m, and the roll up curtain spring 1 that evenly arranges evenly draws together fixedly to the roll up curtain 6 of whole warmhouse booth for the atress of the upper end of rolling up curtain 6 is even, closely laminates on warmhouse booth's skeleton, avoids taking place to stick up the limit and leads to the inhomogeneous problem of spool 20 rolling.
Furthermore, the deformation amount of the rolling screen springs 1 is 5% -10% of the length of the rolling screen 6, so that the rolling screen springs 1 can always flatten the rolling screen 6, and looseness caused by long-term rolling and releasing of the rolling screen 6 is eliminated.
The operation process of the greenhouse rolling mechanism is as follows:
when the temperature drops and it is necessary to release the roller shutter 6: the motor 4 is opened to drive the lead screw 7 to rotate, the lead screw 7 is connected with a shell 14 provided with a lead screw nut in a matching mode, the shell 14 is driven to move downwards by the rotation of the lead screw 7, the lead screw 7 is connected with a gear 13 in a meshing mode, the gear 13 is driven to rotate by the lead screw 7, the gear 13 is in transmission connection with a driving wheel 12, the driving wheel 12 and the gear 13 rotate synchronously, a scroll 20 positioned on the upper portions of the driving wheel 12 and a driven wheel 16 starts to rotate anticlockwise under the action of friction force along with the rotation of the driving wheel 12, the roller blinds 6 wound on the scroll 20 are gradually opened, and the roller blinds 6 wound on the scroll 20 start to be opened along with the downward movement of the shell 14 and are flatly paved at the top of the greenhouse; when the temperature rises and the roller shutter 6 needs to be retracted, the motor 4 is reversed.
The adaptation according to the actual needs is within the scope of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a receive unwinding device, its characterized in that includes drive mechanism and is used for the drive the actuating mechanism of drive mechanism motion, drive mechanism is including casing, lead screw, gear, action wheel, follow driving wheel and the spool of installing screw nut, the lead screw runs through the casing and with screw nut cooperation is connected, the gear with lead screw meshing is connected, the gear with the action wheel transmission is connected, the spool is to erect the knot and is located the action wheel with from the top of driving wheel, just the tip of spool simultaneously with the action wheel with follow driving wheel looks butt.
2. The winding and unwinding device according to claim 1, wherein the driving mechanism comprises a motor, and an output end of the motor is connected with the lead screw.
3. The winding and unwinding device according to claim 1, wherein the driving wheel is provided with a toothed structure on an outer surface thereof to increase friction with the winding shaft.
4. A roller shutter mechanism of a greenhouse, characterized in that the roller shutter mechanism comprises a front upright post and a rear upright post, the front upright post and the rear upright post are respectively arranged at two sides of the roller shutter, and two ends of a screw rod are respectively arranged on the front upright post and the rear upright post.
5. The rolling mechanism of greenhouse booth as claimed in claim 4, further comprising a pull rod and a press roller contacting with the rolling, wherein one end of the pull rod is hinged outside the housing, and the other end of the pull rod is connected with the roller shaft of the press roller.
6. The rolling mechanism of greenhouse shed as claimed in claim 5, wherein a pull rod spring for compacting the rolling curtain by the compression roller is pulled between the pull rod and the housing.
7. The roller shutter mechanism of the greenhouse as claimed in claim 6, wherein the housing is provided with a limiting plate for limiting the movement of the pull rod along the direction of the greenhouse, the limiting plate is provided with a slot, and the end of the pull rod is mounted in the slot.
8. The rolling mechanism of greenhouse as claimed in claim 6, wherein the lower end of the rolling curtain is fixedly mounted on the roller, and a plurality of rolling springs for tensioning the rolling curtain are tied between the upper end of the rolling curtain and the ground.
9. The rolling mechanism of greenhouse as claimed in claim 8, wherein the rolling springs are uniformly arranged along the direction of the greenhouse, and the distance between adjacent rolling springs is 0.8-1.2 m.
10. The rolling mechanism of greenhouse booth as claimed in claim 8, wherein the amount of deformation of the rolling springs is 5% -10% of the rolling length.
CN202110330131.6A 2021-03-29 2021-03-29 Winding and unwinding device and greenhouse rolling mechanism thereof Pending CN113016443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110330131.6A CN113016443A (en) 2021-03-29 2021-03-29 Winding and unwinding device and greenhouse rolling mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110330131.6A CN113016443A (en) 2021-03-29 2021-03-29 Winding and unwinding device and greenhouse rolling mechanism thereof

Publications (1)

Publication Number Publication Date
CN113016443A true CN113016443A (en) 2021-06-25

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Application Number Title Priority Date Filing Date
CN202110330131.6A Pending CN113016443A (en) 2021-03-29 2021-03-29 Winding and unwinding device and greenhouse rolling mechanism thereof

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2465456Y (en) * 2001-01-21 2001-12-19 杭州万杰减速机有限公司 Curtain take-up machine for greenhouse
CN2525788Y (en) * 2001-10-22 2002-12-18 山东常林机械集团股份有限公司 Curtain rolling machine for greenhouse
CN203714895U (en) * 2013-12-15 2014-07-16 重庆鑫仕达包装设备有限公司 Surface coiling mechanism of paper tape
CN105393847A (en) * 2015-08-18 2016-03-16 曹传宝 Double-roofing greenhouse roller blind covering system
CN105532315A (en) * 2016-01-29 2016-05-04 成都贝瑞生态农业开发有限公司 Novel greenhouse roller
JP2018007597A (en) * 2016-07-12 2018-01-18 東都興業株式会社 Set-up device of light shading rolling screen for vinyl houses
CN208159492U (en) * 2018-04-17 2018-11-30 阜阳市颍泉区久香种植专业合作社 A kind of strawberry cultivating greenhouse of controllable light passing rate
CN208821325U (en) * 2018-04-26 2019-05-07 甘肃省农业机械化技术推广总站(甘肃省农业机械应用研究所) Shutter follow-up supporting device
CN209201677U (en) * 2018-10-18 2019-08-06 沈阳农业大学 A kind of wire rope gearing roller of greenhouse
CN111108981A (en) * 2020-03-19 2020-05-08 王丽丽 Automatic roller shutter device for agricultural greenhouse

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2465456Y (en) * 2001-01-21 2001-12-19 杭州万杰减速机有限公司 Curtain take-up machine for greenhouse
CN2525788Y (en) * 2001-10-22 2002-12-18 山东常林机械集团股份有限公司 Curtain rolling machine for greenhouse
CN203714895U (en) * 2013-12-15 2014-07-16 重庆鑫仕达包装设备有限公司 Surface coiling mechanism of paper tape
CN105393847A (en) * 2015-08-18 2016-03-16 曹传宝 Double-roofing greenhouse roller blind covering system
CN105532315A (en) * 2016-01-29 2016-05-04 成都贝瑞生态农业开发有限公司 Novel greenhouse roller
JP2018007597A (en) * 2016-07-12 2018-01-18 東都興業株式会社 Set-up device of light shading rolling screen for vinyl houses
CN208159492U (en) * 2018-04-17 2018-11-30 阜阳市颍泉区久香种植专业合作社 A kind of strawberry cultivating greenhouse of controllable light passing rate
CN208821325U (en) * 2018-04-26 2019-05-07 甘肃省农业机械化技术推广总站(甘肃省农业机械应用研究所) Shutter follow-up supporting device
CN209201677U (en) * 2018-10-18 2019-08-06 沈阳农业大学 A kind of wire rope gearing roller of greenhouse
CN111108981A (en) * 2020-03-19 2020-05-08 王丽丽 Automatic roller shutter device for agricultural greenhouse

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Application publication date: 20210625