CN220528771U - Multi-span greenhouse facade external heat preservation quilt winding and unwinding system - Google Patents
Multi-span greenhouse facade external heat preservation quilt winding and unwinding system Download PDFInfo
- Publication number
- CN220528771U CN220528771U CN202321882785.0U CN202321882785U CN220528771U CN 220528771 U CN220528771 U CN 220528771U CN 202321882785 U CN202321882785 U CN 202321882785U CN 220528771 U CN220528771 U CN 220528771U
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- heat preservation
- span greenhouse
- rod
- greenhouse
- facade
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- 238000004321 preservation Methods 0.000 title claims abstract description 83
- 238000004804 winding Methods 0.000 title claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract description 21
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 9
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
Classifications
-
- 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
Abstract
The utility model relates to the technical field of agricultural equipment, and discloses a multi-span greenhouse facade external heat-preservation quilt rolling and unrolling system which comprises a heat-preservation quilt rolling and unrolling system arranged on the outer side of a multi-span greenhouse facade, wherein the heat-preservation quilt rolling and unrolling system comprises a plurality of internal arch bars, a reel, heat-preservation quilts, a speed reducing motor and telescopic swing rods, the internal arch bars are distributed at intervals along the length direction of the multi-span greenhouse, each internal arch bar comprises a vertical arch bar and a supporting bar, the end parts of the supporting bars are fixedly connected with the facade, the outer sides of the plurality of vertical arch bars are provided with a horizontal reel, the reel is fixedly connected with the heat-preservation quilts along the length direction, the other end of the heat-preservation quilts is fixedly connected with the facade, the two ends of the multi-span greenhouse along the length direction are respectively provided with the telescopic swing rods, one ends of the two telescopic swing rods are respectively hinged with foundations of the multi-span greenhouse, the two ends of the reel are respectively connected with the other ends of the corresponding telescopic swing rods in a rotating mode, and one end of each telescopic swing rod is fixedly connected with the speed reducing motor. The winding and unwinding system provided by the utility model is stable in operation, simple and convenient to install and maintain, high in winding and unwinding efficiency and good in heat preservation performance of a greenhouse.
Description
Technical Field
The utility model relates to the technical field of agricultural equipment, in particular to a multi-span greenhouse facade external heat preservation quilt winding and unwinding system.
Background
The internal space of the multi-span greenhouse is large, and the large space provides necessary space for modern cultivation logistics systems, environmental control equipment, large machinery, irrigation equipment and the like, so that mechanization and automation are convenient to realize, and the dependence on labor force is reduced; solves the problems of insufficient automation degree and overlarge labor cost of the Chinese facility agriculture.
In winter, the multi-span greenhouse has higher running cost, and at least one side of the multi-span greenhouse is usually vertical, so that the multi-span greenhouse needs to be insulated in a mode of covering an insulating quilt. The span of the multi-span greenhouse is longer, the vertical surface is a light-transmitting surface, the heat preservation quilt is manually rolled and unrolled, the workload is large, and the efficiency is low; the existing mechanical rolling device is usually fixed on a vertical surface, when the mechanical rolling device is needed to be used, the heat-preserving quilt is put down, and when the mechanical rolling device is not needed to be used, the heat-preserving quilt is rolled up by the rolling device; the curtain rolling device is driven by the curtain rolling device to carry out friction dragging with the vertical surface in the process of rolling up or putting down the heat preservation quilt, so that the heat preservation quilt is easy to damage, when the outdoor wind is large, the heat preservation quilt is easy to lift, the heat preservation effect of a greenhouse is affected, the heat preservation quilt is seriously torn, and the heat preservation effect of the multi-span greenhouse cannot be guaranteed.
Disclosure of Invention
The utility model provides a multi-span greenhouse facade external heat-preservation quilt winding and unwinding system which is stable in operation, simple and convenient to install and maintain, high in winding and unwinding efficiency and good in heat-preservation performance of a greenhouse.
The above object of the utility model is achieved by the following technical scheme:
the utility model provides a system is put by rolling up to outer heat preservation of a greenhouse facade of linking, includes the heat preservation of linking the outside setting of a greenhouse facade of a greenhouse is rolled up and is put system, the heat preservation is rolled up and is put system includes interior arch bar, spool, heat preservation, gear motor and flexible pendulum rod, interior arch bar is along the length direction interval distribution a plurality of linking a greenhouse, interior arch bar includes the vertical arch bar that extends from bottom to top and incline towards the facade direction and the die-pin that extends to the facade level from the top of vertical arch bar, be the circular arc transition between vertical arch bar and the die-pin, the tip and the facade of die-pin link firmly, a plurality of the outside of vertical arch bar is equipped with a horizontal spool, on the spool along its length direction fixed connection heat preservation quilt, the other end and the facade of die-pin top link firmly, be equipped with flexible pendulum rod respectively along the length direction both ends of a greenhouse respectively, two flexible pendulum rod's one end is articulated with the ground of linking a greenhouse respectively, flexible pendulum rod is connected with the corresponding flexible pendulum rod rotation of one end that is close to the gear motor.
The multi-span greenhouse facade external heat preservation quilt rolling and unwinding system comprises a telescopic swing rod, a sub rod and a tension spring, wherein one end of the main rod is provided with a containing cavity, the sub rod is inserted in the containing cavity and can slide and stretch in the containing cavity, the tension spring is sleeved on the main rod and the sub rod, one side, far away from an opening of the containing cavity, of the main rod is provided with a first hanging ring, one side, far away from the main rod, of the sub rod is provided with a second hanging ring, and two ends of the tension spring are respectively connected with the first hanging ring and the second hanging ring.
According to the multi-span greenhouse facade external heat-preservation quilt winding and unwinding system, the ground anchors are buried on the foundations at the two ends of the multi-span greenhouse along the length direction, the upper ends of the ground anchors are fixedly connected with the supporting lug seats, one ends of the secondary rods, which are far away from the primary rods, are hinged with the supporting lug seats, and the two ends of the winding shaft are respectively connected with one ends of the corresponding primary rods, which are far away from the secondary rods, in a rotating manner.
The multi-span greenhouse facade external heat preservation quilt winding and unwinding system is characterized in that a plurality of internal arch bars are arranged on the outer side of the multi-span greenhouse along the length direction, and a plurality of external arch bars are arranged at intervals along the length direction of the multi-span greenhouse.
The multi-span greenhouse facade external heat preservation quilt winding and unwinding system is characterized in that an external arch bar is arranged between two adjacent internal arch bars along the outer side of the length direction of the multi-span greenhouse.
The outer heat preservation quilt of a multi-span greenhouse facade is rolled and unrolled system, wherein the outer arch bar comprises a vertical bar which extends upwards from a foundation of the multi-span greenhouse, a horizontal guard bar is arranged at the upper end of the vertical bar, the guard bar is located above a supporting bar and fixedly connected with the facade, and the vertical bar and the guard bar are in arc transition.
The multi-span greenhouse facade external heat preservation quilt winding and unwinding system comprises the internal arch bars and the external arch bars, wherein the lower ends of the internal arch bars and the external arch bars are respectively fixedly connected with spiral ground piles, and the spiral ground piles are driven into a foundation of the multi-span greenhouse.
The multi-span greenhouse facade external heat preservation quilt winding and unwinding system is characterized in that the inner arches at the two ends of the multi-span greenhouse along the length direction are respectively provided with a slideway, and the slideway is fixedly connected with one side of the inner arches close to the reel; and the two ends of the scroll are fixedly connected with rollers which are abutted against the corresponding slide ways.
The multi-span greenhouse facade external heat preservation quilt winding and unwinding system is characterized in that the diameters of all the heat preservation quilts wound on the winding shafts are smaller than the diameters of the rollers.
The multi-span greenhouse facade external heat preservation quilt winding and unwinding system is characterized in that limit switches are respectively arranged at the upper end and the lower end of the slideway.
In summary, the beneficial technical effects of the utility model are as follows:
according to the utility model, the winding and unwinding system is arranged, so that the heat preservation performance of the multi-span greenhouse can be effectively improved, the operation energy consumption of the multi-span greenhouse is reduced, and the yield and quality of greenhouse crop planting are improved.
Through setting up the gear motor who is connected with flexible pendulum rod, gear motor drive spool is just, the reversal moves, realizes the winding of heat preservation quilt on the spool and rolls up or unwinds, has realized the automation of heat preservation quilt rolling and unreeling, has guaranteed the heat preservation effect of multi-span greenhouse.
Through setting up flexible pendulum rod, can guarantee when the heat preservation quilt is expanded closely with interior vaulting pole laminating, improve the heat preservation effect of heat preservation quilt, guarantee the stability of spool operation on interior vaulting pole simultaneously.
Through setting up outer arch bar in the outside of arch bar, can prevent that the strong wind from blowing up from the inner arch bar with the heat preservation quilt of expansion, play and protect fixed effect to the heat preservation quilt.
Drawings
FIG. 1 is a schematic view of the structure of the heat preservation quilt of the utility model when being rolled up;
fig. 2 is an enlarged view of a portion a of fig. 1;
fig. 3 is an enlarged view of a portion B of fig. 1;
FIG. 4 is a schematic view of the structure of the heat preservation quilt according to the utility model when the heat preservation quilt is unfolded.
Illustration, 1, a multi-span greenhouse; 11. elevation; 2. a foundation; 3. a heat preservation quilt winding and unwinding system; 31. an inner arch bar; 311. a vertical arch bar; 312. a supporting rod; 32. a reel; 321. a roller; 33. a heat preservation quilt; 34. a speed reducing motor; 35. a telescopic swing rod; 351. a female rod; 3511. a first hanging ring; 352. a sub-rod; 3521. a second hanging ring; 353. a tension spring; 4. an earth anchor; 41. a supporting ear seat; 5. an outer arch bar; 51. a vertical rod; 52. a guard bar; 6. and (5) spiral ground piles.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
As shown in fig. 1, the system for rolling and unrolling the heat-preserving quilt on the outer side of the vertical face of the multi-span greenhouse comprises a system 3 for rolling and unrolling the heat-preserving quilt, which is arranged on the outer side of the vertical face of the multi-span greenhouse 1, the multi-span greenhouse 1 is arranged on a foundation 2, at least one side of the vertical face 11 is provided with the vertical face 11 along the width direction, the vertical face 11 is generally in a grid structure, a transparent plastic film is paved on the vertical face 11, the system 3 for rolling and unrolling the heat-preserving quilt comprises a plurality of inner arch bars 31, a scroll 32, a heat-preserving quilt 33, a speed reducing motor 34 and a telescopic swing rod 35, the inner arch bars 31 are distributed at intervals along the length direction of the multi-span greenhouse 1, the lower ends of the inner arch bars 31 are arranged on the foundation 2, the inner arch bars 31 comprise vertical arch bars 311 which extend downwards and incline towards the vertical face 11 direction, a supporting bar 312 which extends horizontally from the top end of the vertical arch bars 311 to the vertical face 11, the vertical arch bars 311 are in arc transition, the end parts of the supporting bars 312 are fixedly connected with the vertical face 11, a plurality of vertical arch bars 311 are fixedly connected with the end parts of the supporting bars 11, a horizontal scroll 32 is arranged on the outer side of the vertical face 11 along the width direction of the multi-span greenhouse 1, the inner arch bars 31 are fixedly connected with the scroll shafts 32, the speed reducing motor 33 is fixedly connected with the two ends of the scroll shafts 33 are fixedly connected with the corresponding scroll shafts 35 along the length directions of the scroll shafts 35, and the two ends of the corresponding swing rods 35 are fixedly connected with two ends of the scroll shafts 35 are fixedly connected with two ends of the corresponding scroll shafts 35, which are fixedly connected with the two ends of the central shaft 1, respectively, and are fixedly connected with the end shafts 35, and are fixedly connected with the two ends of the end shafts, and are fixedly connected with each and is connected with and has a lower.
The telescopic swing rods 35 at the two ends of the scroll 32 play a role in supporting and positioning the scroll 32, and meanwhile, the telescopic swing rods 35 are also used for fixing the speed reducing motor 34; the gear motor 34 works to drive the reel 32 to rotate, thereby realizing the winding or unwinding of the heat preservation quilt 33.
As shown in fig. 1-3, the telescopic swing rod 35 of this embodiment includes a main rod 351, a sub rod 352 and a tension spring 353, one end of the main rod 351 is provided with a containing cavity, the sub rod 352 is inserted in the containing cavity and can slide and stretch in the containing cavity, the tension spring 353 is sleeved on the main rod 351 and the sub rod 352, one side of the main rod 351, which is far away from the opening of the containing cavity, is provided with a first hanging ring 3511, one side of the sub rod 352, which is far away from the main rod 351, is provided with a second hanging ring 3521, and two ends of the tension spring 353 are respectively connected with the first hanging ring 3511 and the second hanging ring 3521. When the reel 32 fully winds up the insulation 33, the reel 32 is positioned on top of the intrados 31, i.e. the reel 32 rests on the support rods 312, with the secondary rods 352 extending out of the primary rods 351 to the maximum (as shown in fig. 1); when the reel 32 is fully extended from the insulation 33, the reel is positioned at the bottom of the intrados 31, and the sub-rod 352 is retracted to the main rod 351 to the maximum state (as shown in fig. 4); because spool 32 one end is rotationally connected with female pole 351 keep away from the opening one end of holding chamber, under the pulling force effect of extension spring 353, spool 32 is supported with a plurality of interior arches 31 all the time, has guaranteed when heat preservation quilt 33 is expanded, and heat preservation quilt 33 can laminate on interior arches 31, improves the heat preservation effect of multi-span greenhouse 1. Because the scroll 32 is rotatably connected to the telescopic swing rod 35, under the action of the tension force of the tension spring 353, the telescopic swing rod 35 can also prevent the heat preservation quilt 33 from being lifted under the action of external force such as strong wind and the like, and the heat preservation effect of the heat preservation quilt 33 is improved.
As shown in fig. 1, the multi-span greenhouse 1 is buried with ground anchors 4 on the foundations 2 at two ends in the length direction, the upper ends of the ground anchors 4 are fixedly connected with supporting lugs 41, one end of a sub-rod 352 away from a main rod 351 is hinged with the supporting lugs 41, and two ends of a reel 32 are respectively connected with one end of a corresponding main rod 351 away from the sub-rod 352 in a rotating manner. By hinging the support ear seat 41 and the sub-rod 352, the firmness between the telescopic swing rod 35 and the foundation 2 is enhanced, and the rotation of the telescopic swing rod 35 on the support ear seat 41 can be realized.
As shown in fig. 1 and 4, in order to prevent the heat preservation quilt 33 on the inner arch 31 from being lifted up by external force such as strong wind due to an excessively large area after being unfolded, a plurality of outer arches 5 are provided on the outer side of the plurality of inner arches 31 in the longitudinal direction of the multi-span greenhouse 1, and the plurality of outer arches 5 are provided at intervals in the longitudinal direction of the multi-span greenhouse 1.
In one embodiment, an outer arch 5 is provided between two adjacent inner arches 31 along the outer side of the length direction of the multi-span greenhouse 1, so that the heat preservation quilt 33 can be better protected and fixed.
The outer arch bar 5 comprises a vertical bar 51 extending upwards from the foundation 2 of the multi-span greenhouse 1, a horizontal guard bar 52 is arranged at the upper end of the vertical bar 51, the guard bar 52 is positioned above the supporting bar 312 and fixedly connected with the vertical face 11, and the vertical bar 51 and the guard bar 52 form arc transition.
In order to improve the firmness of the inner arch bar 31 and the outer arch bar, the lower ends of the inner arch bar 31 and the outer arch bar 5 are respectively fixedly connected with a spiral ground pile 6, and the spiral ground pile 6 is driven into the foundation 2 of the multi-span greenhouse 1.
In order to improve the stability of the rotation of the scroll 32 on the inner arch bars 31, the inner arch bars 31 at two ends of the multi-span greenhouse 1 along the length direction are respectively provided with a slideway, and the slideway is fixedly connected with one side of the inner arch bar 31 close to the scroll 32; the roller 321 that spool 32 both ends fixed connection and corresponding slide were supported, and the slide cross-section can be the style of calligraphy or C shape, and roller 321 can adopt the rubber material, and roller 321 rolls on the slide, has reduced the frictional force between spool 32 and the interior arch bar 31, has improved spool 32 and has rolled up heat preservation quilt 33 reliability and stability, also can reduce the friction between heat preservation quilt 33 and the interior arch bar 31 simultaneously, improves heat preservation quilt 33's life.
In an embodiment, limit switches are respectively disposed at the upper and lower ends of the slide way, when the gear motor 34 drives the reel 32 to rotate and synchronously drives the roller 321 to move to the end of the supporting rod 312 of the inner arch rod 31 (as shown in fig. 1), the roller 321 touches the limit switch, the limit switch transmits a control signal to the controller, and the controller controls the gear motor 34 to stop working, and at this time, the reel 32 winds up the heat preservation quilt 33 completely. When the speed reducing motor 34 drives the reel 32 to rotate and synchronously drives the roller 321 to move to the lower end of the inner arch 31 (as shown in fig. 4), the roller 321 touches a limit switch at the position, the limit switch transmits a control signal to the controller, the controller controls the speed reducing motor 34 to stop working, and at the moment, the reel 32 fully expands the heat preservation quilt 33, so that the aim of heat preservation of the multi-span greenhouse 1 is fulfilled. The limit switch is arranged, so that the safety of the heat preservation quilt winding and unwinding system 3 is guaranteed, and equipment damage caused by offside of the reel 32 is prevented. According to the realization condition of the temperature in the multi-span greenhouse, the forward and reverse rotation of the gear motor can be freely controlled through the controller, so that the movement position of the scroll 32 is controlled, the arbitrary adjustment of the winding and unwinding area of the heat preservation quilt 33 is realized, and the normal growth of crops is ensured.
The diameters of the heat preservation quilt 33 which are all wound on the scroll 32 are smaller than the diameters of the rollers 321, so that the heat preservation quilt 33 and the rollers 321 can be prevented from interfering, and the scroll 32 can smoothly roll and unreel the heat preservation quilt 33.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. The utility model provides a system is put by rolling up to outer heat preservation of a greenhouse facade of linking, includes the heat preservation of linking the outside setting of a greenhouse facade by rolling up system, its characterized in that, the heat preservation is rolled up and is put the system and is included interior arch bar, spool, heat preservation quilt, gear motor and flexible pendulum rod, interior arch bar is along the length direction interval distribution a plurality of linking a greenhouse, interior arch bar includes from bottom to top and the vertical arch bar that leans towards the facade direction and the die-pin that extends to the facade level from the top of vertical arch bar, be the circular arc transition between vertical arch bar and the die-pin, the tip and the facade of die-pin link firmly, a plurality of the outside of vertical arch bar is equipped with a horizontally spool, on the spool along its length direction fixed connection heat preservation quilt, the other end and the facade of die-pin top link firmly, are equipped with flexible pendulum rod respectively along the length direction both ends of linking a greenhouse, two flexible pendulum rod's one end respectively with the ground of linking a greenhouse, the spool rotates with the die-pin that stretches out and draws back respectively, one end of the pendulum rod is close to the spool of linking firmly.
2. The multi-span greenhouse facade external heat preservation quilt winding and unwinding system according to claim 1, wherein the telescopic swing rod comprises a mother rod, a son rod and a tension spring, one end of the mother rod is provided with a containing cavity, the son rod is inserted in the containing cavity and can slide and stretch in the containing cavity, the tension spring is sleeved on the mother rod and the son rod, one side of the mother rod far away from an opening of the containing cavity is provided with a first hanging ring, one side of the son rod far away from the mother rod is provided with a second hanging ring, and two ends of the tension spring are respectively connected with the first hanging ring and the second hanging ring.
3. The system for rolling and unrolling the vertical surface external heat preservation quilt of the multi-span greenhouse according to claim 2, wherein ground anchors are buried on foundations at two ends of the multi-span greenhouse along the length direction, support lugs are fixedly connected to the upper ends of the ground anchors, one end of each secondary rod, which is far away from a primary rod, is hinged to the corresponding support lugs, and two ends of each scroll are respectively connected with one end of a corresponding primary rod, which is far away from the secondary rod in a rotating mode.
4. The multi-span greenhouse facade external heat preservation quilt winding and unwinding system according to claim 1, wherein a plurality of external arches are arranged on the outer side of the multi-span greenhouse along the length direction of the multi-span greenhouse, and the external arches are arranged at intervals along the length direction of the multi-span greenhouse.
5. The system for rolling and unrolling the vertical surface external heat preservation quilt of the multi-span greenhouse according to claim 4, wherein an external arch bar is arranged between two adjacent internal arch bars along the outer side of the length direction of the multi-span greenhouse.
6. The system for rolling and unrolling the vertical surface external heat preservation quilt of the multi-span greenhouse according to claim 4 or 5, wherein the external arch bar comprises a vertical bar extending upwards from the foundation of the multi-span greenhouse, a horizontal guard bar is arranged at the upper end of the vertical bar, the guard bar is located above the supporting bar and fixedly connected with the vertical surface, and the vertical bar and the guard bar form an arc transition.
7. The multi-span greenhouse facade external heat preservation quilt winding and unwinding system according to claim 4 or 5, characterized in that the lower ends of the internal arch bars and the external arch bars are respectively fixedly connected with spiral ground piles, and the spiral ground piles are driven into the foundation of the multi-span greenhouse.
8. The multi-span greenhouse facade external heat preservation quilt winding and unwinding system according to claim 1, wherein the inner arches at two ends of the multi-span greenhouse along the length direction are respectively provided with a slideway, and the slideway is fixedly connected with one side of the inner arches close to the reel; and the two ends of the scroll are fixedly connected with rollers which are abutted against the corresponding slide ways.
9. The multi-span greenhouse facade external heat preservation quilt winding and unwinding system according to claim 8, wherein the diameter of the heat preservation quilt which is fully wound on the winding shaft is smaller than the diameter of the roller.
10. The multi-span greenhouse facade external heat preservation quilt winding and unwinding system according to claim 8, wherein limit switches are respectively arranged at the upper end and the lower end of the slideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882785.0U CN220528771U (en) | 2023-07-17 | 2023-07-17 | Multi-span greenhouse facade external heat preservation quilt winding and unwinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882785.0U CN220528771U (en) | 2023-07-17 | 2023-07-17 | Multi-span greenhouse facade external heat preservation quilt winding and unwinding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220528771U true CN220528771U (en) | 2024-02-27 |
Family
ID=89972002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321882785.0U Active CN220528771U (en) | 2023-07-17 | 2023-07-17 | Multi-span greenhouse facade external heat preservation quilt winding and unwinding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220528771U (en) |
-
2023
- 2023-07-17 CN CN202321882785.0U patent/CN220528771U/en active Active
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