CN213548675U - Polygonal sunshade net folding and unfolding device for greenhouse - Google Patents
Polygonal sunshade net folding and unfolding device for greenhouse Download PDFInfo
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- CN213548675U CN213548675U CN202022386727.1U CN202022386727U CN213548675U CN 213548675 U CN213548675 U CN 213548675U CN 202022386727 U CN202022386727 U CN 202022386727U CN 213548675 U CN213548675 U CN 213548675U
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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
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Abstract
The utility model provides a polygonal sunshade net winding and unwinding device for a greenhouse, which comprises a greenhouse main body, sunshade net cloth and a driving device, wherein the roof of the greenhouse main body is divided into eight fan-shaped surfaces by a rectangular supporting rod, each fan-shaped surface is provided with a movable rod and the sunshade net cloth, and two sides of the sunshade net cloth are respectively fixedly connected with a rectangular supporting frame and the movable rods; the driving device comprises a speed reducing motor, a driving shaft, a reversing gear assembly and a pulley block; the driving shaft is arranged on one of the rectangular supporting rods, and the speed reducing motor is arranged on the driving shaft; the reversing gear assemblies are arranged on two sides of the driving motor and comprise a speed-multiplying reversing gear assembly and a normal-speed reversing gear assembly, the pulley blocks are respectively arranged on the rest seven rectangular supporting rods, each pulley block is provided with a traction rope, and the traction ropes and chains arranged on the reversing gear assemblies are connected end to form a closed loop. The utility model discloses both increased the necessary function in dysmorphism greenhouse, provided stronger practicality for greenhouse and its inside crops simultaneously.
Description
Technical Field
The utility model relates to an agricultural facility technical field, in particular to polygon greenhouse top sunshade net winding and unwinding devices.
Background
At present, the lighting regulation and control of a greenhouse are the key points of agricultural facility research, the top of a conventional greenhouse is mostly designed in a rectangular shape, the implementation of a sunshade net and a driving mode is simple, and when a system drives the sunshade net, only a single function that the system synchronously moves at a constant speed can be realized. In recent years, some greenhouses with special-shaped structures occupy certain markets by unique appearance styles, but the covering and driving modes of a sunshade net at the top of the special-shaped greenhouse are quite different from those of a rectangular greenhouse, the traditional prior art is difficult to use on the special-shaped greenhouse, so that the problem of sunshade at the top of the special-shaped greenhouse is not well solved, and the soundness of functions of special-shaped greenhouse facilities is damaged.
To above problem, summarized the motion characteristic of sunshade net when drawing in with the expansion, specially provided a polygon greenhouse top sunshade net winding and unwinding devices, increased the necessary function in polygon dysmorphism greenhouse, provided the sunshade function for greenhouse and its inside crops, had stronger practicality.
SUMMERY OF THE UTILITY MODEL
Not enough to above prior art, the utility model aims at providing a polygon greenhouse top sunshade net winding and unwinding devices, this patent utilizes shape symmetry law to octagonal greenhouse top, and eight sets of drives and sunshade screen cloth that the design is the same each other realize the task of expandeing in step and drawing in under gear motor's drive, and this application has both increased the necessary function in polygon dysmorphism greenhouse, provides the sunshade function for greenhouse and its inside crops simultaneously, has stronger practicality.
The utility model discloses a realize through following technical scheme:
a polygonal greenhouse top sunshade net retracting device comprises a greenhouse main body, sunshade net cloth and a driving device, wherein the greenhouse main body comprises a roof and a stand column, the roof is divided into eight fan-shaped surfaces with the same size through eight rectangular supporting rods, each fan-shaped surface is provided with a movable rod parallel to the rectangular supporting rods, and each movable rod is provided with two compensation supports; the upright post is vertically arranged below the roof, and the top end of the upright post is fixedly connected with the rectangular supporting rod of the roof; the sunshade screen cloth is arranged on each sector surface, the first edge of each sunshade screen cloth is fixedly connected with the rectangular supporting rod, the second edge of each sunshade screen cloth is fixedly connected with the movable rod, and the movable rod can drive the sunshade screen cloth to extend and contract; the driving device comprises a speed reducing motor, a driving shaft, a reversing gear assembly and a pulley block, wherein the driving shaft is fixed on one of the rectangular supporting rods by means of a plurality of uniformly distributed shaft supports, and the speed reducing motor is arranged on the driving shaft; the reversing gear assembly comprises a speed-multiplying reversing gear assembly and a constant-speed reversing gear assembly, the speed-multiplying reversing gear assembly and the constant-speed reversing gear assembly are both arranged on the driving shaft and are respectively positioned at two sides of the speed reduction motor, the speed-multiplying reversing gear assembly is arranged at a position close to the outer edge of the roof, the speed-multiplying reversing gear assembly comprises a driving planetary gear, a small planetary gear, a chain wheel and a chain, the driving planetary gear is meshed with the small planetary gear, the chain wheel is arranged above the small planetary gear, and the chain wheel is provided with the chain; the constant-speed reversing gear assembly is arranged at 1/2 which is positioned at the distance between the speed-multiplying reversing gear assembly and the fan-shaped axis, the constant-speed reversing gear assembly comprises a driving planetary gear, a large planetary gear, a chain wheel and a chain, the driving planetary gear is meshed with the large planetary gear, the chain wheel is arranged above the large planetary gear, and the chain wheel is provided with the chain; the assembly pulley sets up respectively in all the other seven on the rectangle bracing piece, and be provided with two on every rectangle bracing piece the assembly pulley, every all be provided with the haulage rope on the assembly pulley, chain and haulage rope end to end form the closed loop.
Preferably, the size of each sunshade screen cloth is the same as the size of a sector surface of a roof, and curtain supporting lines are arranged on the upper side and the lower side of each sunshade screen cloth.
Preferably, the position of the compensation support corresponds to the positions of the speed doubling reversing gear assembly, the normal speed reversing gear assembly and the pulley block, and a rectangular notch is formed in the upper portion of the compensation support, so that a chain and a traction rope can conveniently penetrate through the rectangular notch.
Preferably, the diameter ratio of the driving planetary gear to the big planetary gear on the constant-speed reversing gear assembly is 1: 2, the diameter ratio of the chain wheel to the large planetary gear is 1: 2.
preferably, the diameter ratio of the driving planetary gear to the small planetary gear on the speed-multiplying reversing gear assembly is 1: 1, the diameter ratio of the chain wheel to the minor planet gear is 1: 1.
preferably, the chain wheel, the large planetary gear and the small planetary gear are coaxially arranged, the chain wheel and the chain are in a relative matching mode, and the chain wheel rotates to drive the chain to move linearly.
Preferably, two sides of the compensation bracket are respectively provided with a limit locking device for fixing the traction rope and the chain.
Preferably, the pull rope is linked with the end of the chain by a pin shaft.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model is suitable for a sunshade and the drive at profile for polygonal dysmorphism greenhouse top can compensate the building of abandoning the sunshade design because of the greenhouse top is irregular.
2. The utility model discloses the core component utilizes the distance difference of walking in the same time for the different planetary gear combination of two sets of velocity ratios for sunshade net and drive division are fan-shaped operation, and appearance design has the uniqueness.
3. The utility model discloses a chain and haulage rope complex driving method, the system operation is stable, and the fault rate is low.
Drawings
FIG. 1 is an overall structural view of the folding and unfolding device of the sunshade net on the top of the polygonal greenhouse of the utility model;
fig. 2 is one of the structural diagrams of the components of the driving device of the present invention;
fig. 3 is a second schematic view of the structure of the components of the driving device of the present invention;
FIG. 4 is a schematic view of the structure of the present invention in which the traction rope is engaged with the pulley;
FIG. 5 is a schematic view of the structure of the chain and sprocket assembly of the present invention;
FIG. 6 is a schematic view of the structure of the constant speed reversing gear assembly of the present invention engaged with a chain; and
fig. 7 is a schematic structural view of the double-speed reversing gear assembly of the present invention cooperating with the chain.
The reference numbers are as follows:
1. a column; 2. sun-shading net cloth; 3. supporting a curtain line; 4. a hauling rope; 5. a chain; 6. a reduction motor; 7. A speed doubling reversing gear assembly; 8. a constant speed reversing gear assembly; 9. a shaft support; 10. a drive shaft; 11. a movable rod; 12. a compensating support; 13. a pulley block; 14. a limiting locking device; 15. a rectangular support bar; 20 chain wheels; 21. a large planetary gear; 22. a driving planetary gear; 23. a pinion gear.
Detailed Description
Exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. Although various aspects of the embodiments are illustrated in the drawings, which may refer to functionally identical or similar elements, the drawings are not necessarily drawn to scale unless specifically indicated.
For compensate rectangle greenhouse that dysmorphism greenhouse and prior art are commonly used incorporability in the design, the utility model provides a polygon greenhouse top sunshade net winding and unwinding devices, as shown in fig. 1-7, the utility model discloses to octagonal greenhouse top, utilize shape symmetry law, eight sets of sunshade screen cloth that project organization is the same realizes the task of launching in step and drawing in under gear motor's drive.
The driving device comprises a greenhouse main body, a fan-shaped sunshade screen cloth 2 and a driving device, wherein the driving force of the driving device adopts a gear reversing and driving mode, and the sunshade screen cloth is pulled by adopting a chain and traction rope comprehensive driving mode.
The greenhouse main body comprises a roof and a stand column 1 which are of an octagonal structure, the roof is divided into eight fan-shaped surfaces with the same size through eight rectangular support rods, two ends of each rectangular support rod are fixed with the outer edge of the roof and the center of the roof through welding or bolting, each fan-shaped surface is provided with a movable rod 11 parallel to the rectangular support rod, and each movable rod 11 is provided with two compensation brackets 12; the stand is perpendicular to be set up below the roof, and the top of stand and the rectangle bracing piece fixed connection on roof.
Eight sunshade screen cloths 2 that the size is the same all set up on the sector on roof, adopt the fabrics material, and the size of the sector on every sunshade screen cloth 2 is the same with the size on roof, and all is provided with about sunshade screen cloth 2 and holds in the palm curtain line 3 and bear for support the weight of sunshade screen cloth, prevent to be blown by wind and scatter. The first edge of each piece of sunshade screen cloth all with rectangle bracing piece fixed connection, call fixed limit, the second edge of sunshade screen cloth all with movable rod 11 fixed connection, call the activity limit, movable rod 11 moves along the arc limit of sector and drives sunshade screen cloth 2 shrink and extend, the motion trail of movable rod 11 is controlled by haulage rope 4 and chain 5.
The driving device comprises a speed reducing motor 6, a driving shaft 10, a reversing gear assembly and a pulley block, wherein the driving shaft 10 is fixed above one rectangular supporting rod 15 by means of a plurality of uniformly distributed shaft supports 9, and the speed reducing motor 6 is arranged on the driving shaft 10.
Reversing gear assembly sets up the both sides at gear motor, it includes double-speed reversing gear assembly 7 and normal speed reversing gear assembly 8, double-speed reversing gear assembly 7 sets up on drive shaft 10 and is close to the one end of roof outward flange, double-speed reversing gear assembly 7 includes initiative planetary gear 22, little planetary gear 23, sprocket 20 and chain 5, initiative planetary gear 22 is connected with little planetary gear 23 meshing, little planetary gear 23's top is provided with sprocket 20, sprocket 20 is coaxial setting with little planetary gear 23, the diameter ratio of initiative planetary gear 22 on double-speed reversing gear assembly 7 and little planetary gear 23 is 1: 1, the diameter ratio of the chain wheel 20 to the small planetary gear 23 is 1: 1. the chain wheel 20 is provided with a chain 5, the chain wheel 20 and the chain 5 are in a relative matching mode, and the chain wheel rotates to drive the chain to move linearly.
The constant speed reversing gear assembly 8 is arranged on the driving shaft 10 and is positioned at 1/2 of the distance between the double speed reversing gear assembly and the fan-shaped axis, the constant speed reversing gear assembly 8 comprises a driving planetary gear 22, a large planetary gear 21, a chain wheel 20 and a chain 5, the driving planetary gear 22 is meshed with the large planetary gear 21, the chain wheel 20 is arranged above the large planetary gear 21, the chain wheel 20 and the large planetary gear 21 are coaxially arranged, and the diameter ratio of the driving planetary gear to the large planetary gear on the constant speed reversing gear assembly is 1: 2, the diameter ratio of the chain wheel to the large planetary gear is 1: 2. the chain wheel 20 is provided with a chain 5, the chain wheel 20 and the chain 5 are in a relative matching mode, and the chain wheel rotates to drive the chain to move linearly.
The pulley blocks 13 are arranged on the rest seven rectangular supporting rods 15 arranged on the greenhouse roof, two pulley blocks 13 are arranged on each rectangular supporting rod 15, and a traction rope 4 is arranged on each pulley block 13
The positions of the two compensation supports 12 arranged on the movable rod 11 correspond to the positions of the reversing gear assembly and the pulley block one by one respectively, and rectangular notches are formed in the upper portions of the compensation supports 12 so that the chain 5 and the traction rope 4 can conveniently penetrate through the notches. And two sides of each compensation support are respectively provided with a limiting locking device 14 for fixing the traction rope 4 and the chain 5 with adjusted distances, and the coupling positions of the traction rope 4 and the chain 5 are connected by adopting a pin shaft, so that the chain 5 and the traction rope 4 are connected end to form a closed loop.
The following further describes embodiments of the present invention:
the utility model discloses to octagonal greenhouse top, utilize shape symmetry law, eight sets of sunshade screen cloth 2 that project organization is the same realize the task that expandes in step and draw in under gear motor 6's drive.
The load carrying mode of the speed reducing motor 6 is symmetrical at two ends, as shown in fig. 1-7, the speed reducing motor 6 applies a rotating torque on a driving shaft 10 to respectively and synchronously drive the speed doubling reversing gear assembly 7 and the normal speed reversing gear assembly 8, the position of the speed doubling reversing gear assembly 7 close to the edge of a roof, namely close to one end of a large sector is fixed firstly according to the running track characteristic of the sector working surface, the distance value between the speed doubling reversing gear assembly 7 and the axis of the sector is determined, then the normal speed reversing gear assembly 8 is arranged at 1/2 of the distance between the speed doubling reversing gear assembly 7 and the axis of the sector, the speed reducing motor 6 is arranged between the speed doubling reversing gear assembly 7 and the normal speed reversing gear assembly 8, after the distribution, the output rotating speeds of the reversing gear assemblies have the same input torque, have the difference of 1/2 and are just matched with the circumferences of the motion tracks of the two sectors, the purpose of synchronously moving, unfolding and closing the sunshade screen cloth 2 can be realized.
The chain wheel 20 and the chain 5 are main traction transmission elements, the chain 5 and the traction rope 4 are connected end to form a closed loop, pulley blocks 13 are arranged on each rectangular supporting rod at positions corresponding to the positions of the speed doubling reversing gear assembly and the normal speed reversing gear assembly, namely at positions where the traction rope 4 needs to turn, and serve as transition supports for torque transmission, and the chain 5 is driven by the chain wheel 20 to move synchronously with the traction rope 4.
Specifically, the speed reduction motor 6 drives the driving shaft 10 to rotate, the torque is respectively transmitted to the constant-speed reversing gear assembly 8 and the speed-multiplying reversing gear assembly 7 through the guiding constraint of the shaft support 9, after the input torque is obtained, the respective rotating speeds of the constant-speed reversing gear assembly 8 and the speed-multiplying reversing gear assembly 7 are different, the speed law of two-point movement of a sector surface is just matched, and the opening and the folding of the sunshade screen cloth 2 can be guaranteed.
Specifically, the limiting locking device 14 is sleeved in the traction rope, after the traction rope is adjusted to a proper position, the traction rope is locked with the traction rope 4 in a bean clamping mode, the coupling place of the traction rope 4 and the chain 5 is connected through the special link pin shaft, and the smoothness of the movement of the chain and the rope can be met.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (8)
1. A polygonal sunshade net retracting device for a greenhouse is characterized by comprising a greenhouse main body, a sunshade net cloth and a driving device,
the greenhouse main body comprises a roof and upright posts, the roof is divided into eight sector surfaces with the same size through eight rectangular supporting rods, each sector surface is provided with a movable rod parallel to the rectangular supporting rods, and each movable rod is provided with two compensation brackets; the upright post is vertically arranged below the roof, and the top end of the upright post is fixedly connected with the rectangular supporting rod of the roof;
the sunshade screen cloth is arranged on each sector surface, the first edge of each sunshade screen cloth is fixedly connected with the rectangular supporting rod, the second edge of each sunshade screen cloth is fixedly connected with the movable rod, and the movable rod can drive the sunshade screen cloth to extend and contract;
the driving device comprises a speed reducing motor, a driving shaft, a reversing gear assembly and a pulley block, wherein the driving shaft is fixed on one of the rectangular supporting rods by means of a plurality of uniformly distributed shaft supports, and the speed reducing motor is arranged on the driving shaft;
the reversing gear assembly comprises a speed-multiplying reversing gear assembly and a constant-speed reversing gear assembly, the speed-multiplying reversing gear assembly and the constant-speed reversing gear assembly are both arranged on the driving shaft and are respectively positioned at two sides of the speed reduction motor, the speed-multiplying reversing gear assembly is arranged at a position close to the outer edge of the roof, the speed-multiplying reversing gear assembly comprises a driving planetary gear, a small planetary gear, a chain wheel and a chain, the driving planetary gear is meshed with the small planetary gear, the chain wheel is arranged above the small planetary gear, and the chain wheel is provided with the chain; the constant-speed reversing gear assembly is arranged at 1/2 which is positioned at the distance between the speed-multiplying reversing gear assembly and the fan-shaped axis, the constant-speed reversing gear assembly comprises a driving planetary gear, a large planetary gear, a chain wheel and a chain, the driving planetary gear is meshed with the large planetary gear, the chain wheel is arranged above the large planetary gear, and the chain wheel is provided with the chain; the assembly pulley sets up respectively in all the other seven on the rectangle bracing piece, and be provided with two on every rectangle bracing piece the assembly pulley, every all be provided with the haulage rope on the assembly pulley, chain and haulage rope end to end form the closed loop.
2. The device for retracting and releasing the polygonal sunshade net for the greenhouse according to claim 1, wherein the size of each piece of sunshade net cloth is the same as the size of a sector surface of a roof, and curtain supporting lines are arranged on the upper and lower sides of the sunshade net cloth.
3. The device for retracting and releasing the polygonal sunshade net for the greenhouse as claimed in claim 1, wherein the position of the compensation bracket corresponds to the position of the multiple speed reversing gear assembly, the normal speed reversing gear assembly and the pulley block, respectively, and a rectangular notch is formed above the compensation bracket for allowing a chain and a traction rope to pass through.
4. The device for retracting and releasing the polygonal sunshade net for the greenhouse as claimed in claim 1, wherein the diameter ratio of the driving planetary gear and the large planetary gear on the constant speed reversing gear assembly is 1: 2, the diameter ratio of the chain wheel to the large planetary gear is 1: 2.
5. the device for retracting and releasing the polygonal sunshade net for the greenhouse as claimed in claim 1, wherein the diameter ratio of the driving planetary gear to the small planetary gear on the speed-doubling reversing gear assembly is 1: 1, the diameter ratio of the chain wheel to the minor planet gear is 1: 1.
6. the retracting device of the polygonal sunshade net for the greenhouse as claimed in claim 1, wherein the chain wheel, the large planetary gear and the small planetary gear are coaxially arranged, the chain wheel and the chain are in a relative matching mode, and the chain wheel rotates to drive the chain to move linearly.
7. The device for retracting and releasing the polygonal sunshade net for the greenhouse as claimed in claim 3, wherein a limiting locking device is respectively arranged at both sides of the compensation bracket for fixing the traction rope and the chain.
8. The apparatus for folding and unfolding a polygonal sunshade net for a greenhouse as claimed in claim 1, wherein said pulling rope is linked with the end of the chain by a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022386727.1U CN213548675U (en) | 2020-10-23 | 2020-10-23 | Polygonal sunshade net folding and unfolding device for greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022386727.1U CN213548675U (en) | 2020-10-23 | 2020-10-23 | Polygonal sunshade net folding and unfolding device for greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213548675U true CN213548675U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022386727.1U Active CN213548675U (en) | 2020-10-23 | 2020-10-23 | Polygonal sunshade net folding and unfolding device for greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213548675U (en) |
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2020
- 2020-10-23 CN CN202022386727.1U patent/CN213548675U/en active Active
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