CN113229000A - Winter heat preservation device for agricultural greenhouse - Google Patents
Winter heat preservation device for agricultural greenhouse Download PDFInfo
- Publication number
- CN113229000A CN113229000A CN202110659260.XA CN202110659260A CN113229000A CN 113229000 A CN113229000 A CN 113229000A CN 202110659260 A CN202110659260 A CN 202110659260A CN 113229000 A CN113229000 A CN 113229000A
- Authority
- CN
- China
- Prior art keywords
- tarpaulin
- shaft
- agricultural greenhouse
- recovery roller
- heat preservation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004321 preservation Methods 0.000 title claims abstract description 49
- 238000011084 recovery Methods 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims description 23
- 230000007704 transition Effects 0.000 claims description 6
- 239000004744 fabric Substances 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/22—Shades or blinds for greenhouses, or the like
- A01G9/222—Lamellar or like blinds
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a winter heat preservation device for an agricultural greenhouse, which comprises a support for supporting a greenhouse top, heat preservation tarpaulin for heat preservation, a recovery roller for collecting the heat preservation tarpaulin, a support shaft for supporting the heat preservation tarpaulin and a drive shaft for driving the heat preservation tarpaulin to be collected.
Description
Technical Field
The invention relates to the technical field of greenhouse planting, in particular to a winter heat preservation device for an agricultural greenhouse.
Background
The greenhouse is a building which uses lighting covering materials as all or part of building enclosing structures and can be used for cultivating plants in winter or other seasons which are not suitable for open plant growth.
By controlling the temperature in the greenhouse, the growth cycle of the plants in the greenhouse can be shortened, and therefore the plants are usually planted in the form of building the greenhouse. However, when planting is performed in a greenhouse, the space in the greenhouse is too large, and therefore, it is necessary to construct a greenhouse internal heat-insulating device to insulate a small space in a planting area. At present, the heat preservation in the greenhouse is mainly realized by arranging telescopic heat preservation curtains above and at two sides of plants to preserve the heat of a planting area.
The problem below the temperature existence in winter is protected in current greenhouse, 1, the heat preservation effect is poor, can have great gap in upper heat preservation curtain and side heat preservation curtain handing-over department, and it is very fast to lead to the temperature loss in the heat preservation space, 2, the back is packed up to the upper heat preservation curtain, can shelter from partial sunshine, influences illumination, 3, in order not to hinder work, improve the height of upper heat preservation curtain, lead to the heat preservation space of seedling big, temperature utilization is low.
Disclosure of Invention
The invention aims to solve the problems and provides a winter heat preservation device for an agricultural greenhouse, which has the advantages of reducing the temperature loss speed, having good heat preservation effect, ensuring sufficient illumination and improving the utilization rate of the indoor temperature of the heat preservation chamber.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an agricultural greenhouse heat preservation device in winter, is including the support that is used for supporting the big-arch shelter shed roof, still including the heat preservation tarpaulin that is used for heat preservation, the recovery roller that is used for heat preservation tarpaulin to tighten up, the drive shaft that is used for supporting the back shaft of heat preservation tarpaulin and is used for driving heat preservation tarpaulin to tighten up, it is located big-arch shelter left side support lower extreme to retrieve the roller, the back shaft distributes and supports on the left and right sides support, the drive shaft is located right side support lower extreme, and the drive shaft is connected with heat preservation tarpaulin through connecting the rope.
Further, the two ends of the recovery roller are provided with supports, the supports are supported on the ground, the two ends of the recovery roller are supported on the supports and are connected with the supports in a rotating mode, and the front end of the recovery roller is provided with a first motor for driving the recovery roller to rotate.
Further, the support lower extreme is equipped with the mounting bracket, the mounting bracket passes through the staple bolt and installs on the support, and the mounting bracket right-hand member is equipped with the frame, and the frame upper end is equipped with the opening, and the recovery roller passes the frame, and the heat preservation tarpaulin passes the opening.
Further, the mounting bracket left end is equipped with the backup pad, the drive shaft pass the backup pad and with rotate between the backup pad be connected, the drive shaft front end is equipped with drive shaft pivoted second motor.
Furthermore, the connecting rope is wound on the driving shaft, the end part of the heat-preservation tarpaulin is provided with a transition plate, the end part of the connecting rope is connected with the transition plate, and the connecting rope is uniformly provided with a plurality of connecting ropes along the axis of the driving shaft.
Furthermore, both ends of the supporting shaft are fixedly connected with the corresponding supports, a sleeve is arranged on the supporting shaft, and the sleeve is rotatably connected with the supporting shaft.
Furthermore, a groove is formed in the position, corresponding to the connecting rope, of the sleeve, and the connecting rope is matched with the groove.
Further, the end part of the supporting shaft is provided with a positioning pin for positioning the sleeve.
Furthermore, the supporting shaft is provided with a bearing, the side surface of the outer ring of the bearing is provided with a positioning ring, and the positioning ring is provided with a positioning groove for positioning and connecting the rope.
The invention has the beneficial effects that:
1. the thermal insulation awning comprises thermal insulation awning cloth for thermal insulation, a recovery roller for collecting the thermal insulation awning cloth, support shafts for supporting the thermal insulation awning cloth and a drive shaft for driving the thermal insulation awning cloth to collect, wherein the support shafts are distributed and supported on supports on the left side and the right side, and the drive shaft is connected with the thermal insulation awning cloth through a connecting rope. When needs keep warm to planting region, the drive shaft rotates, and the drive shaft expandes from retrieving the roller through connecting rope pulling heat preservation tarpaulin, and left side back shaft and right side back shaft are walked around in proper order to heat preservation tarpaulin, reach drive shaft department, and the heat preservation room after the expansion, left and right sides face and upper surface are a whole, reduce temperature loss speed, and it is effectual to keep warm.
2. According to the invention, the recovery roller is positioned at the lower end of the bracket on the left side of the greenhouse, after the heat-insulating tarpaulin is folded, the heat-insulating tarpaulin is bound on the recovery roller on the lower left corner, so that the occupied space is small, the connecting rope bypasses the support shafts on the two sides above, the sunlight cannot be shielded, and the sufficient illumination is ensured.
3. The height of the supporting shaft is reduced, so that the space of the heat preservation chamber is reduced and the temperature utilization rate is improved on the premise of not influencing the work; meanwhile, only one driving and bundling mechanism is adopted, so that the cost is low, and the occupied space is reduced.
4. According to the invention, the mounting frame is arranged at the lower end of the support, the mounting frame is mounted on the support through the hoop, the frame is arranged at the right end of the mounting frame, the upper end of the frame is provided with the opening, the recovery roller penetrates through the frame, the heat-insulation tarpaulin penetrates through the opening, when the heat-insulation tarpaulin is unfolded, the heat-insulation tarpaulin penetrates through the opening, when the heat-insulation tarpaulin is folded, the heat-insulation tarpaulin enters the frame through the opening, and the frame plays a role in bundling the tarpaulin, so that the tarpaulin is prevented from being scattered.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a mounting frame according to an embodiment of the invention;
FIG. 3 is a cross-sectional view of a support shaft according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a support shaft according to an embodiment of the present invention.
In the figure: insulation tarpaulin 1, support 2, recovery roller 3, back shaft 4, drive shaft 5, connect rope 6, support 7, mounting bracket 8, frame 9, opening 10, first motor 11, backup pad 12, second motor 13, back shaft 4, sleeve 15, recess 16, locating pin 17, bearing 18, holding ring 19, constant head tank 20.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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 first embodiment is as follows:
as shown in fig. 1, the winter heat preservation device for the agricultural greenhouse comprises a support 2 used for supporting a greenhouse top of the greenhouse, a heat preservation tarpaulin 1 used for heat preservation, a recovery roller 3 used for heat preservation tarpaulin 1 to be bundled, support shafts 4 used for supporting the heat preservation tarpaulin 1 and a drive shaft 5 used for driving the heat preservation tarpaulin 1 to be bundled, wherein the recovery roller 3 is located at the lower end of the support 2 on the left side of the greenhouse, the recovery roller 3 is supported on the ground and is rotatably connected with the ground, the support shafts 4 are distributed and supported on the supports 2 on the left side and the right side, the support shafts 4 are distributed symmetrically and are located on the inner sides of the supports respectively, the drive shaft 5 is located at the lower end of the support 2 on the right side, and the drive shaft 5 is connected with the heat preservation tarpaulin 1 through a connecting rope 6.
When the heat preservation is needed to be carried out on the planting area, the driving shaft 5 rotates, the driving shaft 5 pulls the heat preservation tarpaulin 1 to be unfolded from the recovery roller 3 through the connecting rope 6, the heat preservation tarpaulin 1 sequentially bypasses the left supporting shaft and the right supporting shaft to reach the driving shaft, and then the heat preservation tarpaulin is lifted at the front side and the rear side; after the heat-insulating tarpaulin 1 is folded, the heat-insulating tarpaulin 1 is folded on the recovery roller 3 at the lower left corner, the occupied space is small, the connecting rope bypasses the support shafts at the two sides above, the sunlight cannot be shielded, and the sufficient illumination is ensured; the height of the supporting shaft 4 can be reduced, the space of the heat preservation chamber is reduced on the premise of not influencing the work, and the temperature utilization rate is improved; meanwhile, only one driving and bundling mechanism is adopted, so that the cost is low, and the occupied space is reduced.
As shown in fig. 1, the two ends of the recovery roller 3 are provided with the supports 7, the supports 7 are supported on the ground, the two ends of the recovery roller 3 are supported on the supports 7 through bearings and are rotatably connected with the supports 7, the front end of the recovery roller 3 is provided with the first motor 11 for driving the recovery roller 3 to rotate, the recovery roller 3 is driven by a motor reducer in the embodiment and can also adopt a mode of manual rotating wheel driving, when the recovery roller 3 packs up the heat preservation tarpaulin 1, the first motor drives the recovery roller 3 to rotate anticlockwise to pack up the heat preservation tarpaulin 1, and when the tarpaulin is unfolded, the first motor 11 drives the recovery roller 3 to rotate clockwise.
As shown in fig. 1 and 2, the lower end of the support 2 is provided with a mounting rack 8, the mounting rack 8 is mounted on the support 2 through a hoop, the right end of the mounting rack 8 is provided with a frame 9, the upper end of the frame 9 is provided with an opening 10, the recovery roller 3 penetrates through the frame 9, the heat-insulating tarpaulin 1 penetrates through the opening 10, when the heat-insulating tarpaulin 1 is unfolded, the heat-insulating tarpaulin 1 penetrates through the opening 10, when the heat-insulating tarpaulin 1 is folded, the heat-insulating tarpaulin 1 enters into the frame 9 through the opening 10, and the frame 9 plays a role in collecting and bundling the tarpaulin to prevent the tarpaulin from being scattered. The left end of the mounting frame 8 is provided with a supporting plate 12, the driving shaft 5 penetrates through the supporting plate 12 and is rotatably connected with the supporting plate 12, the front end of the driving shaft 5 is provided with a second motor 13 for driving the driving shaft 5 to rotate, the second motor 13 and the first motor 11 synchronously rotate, so that the synchronous operation of the recovery roller 3 and the driving shaft is ensured, and meanwhile, the synchronous operation of the recovery roller 3 and the driving shaft can also be ensured by adopting a chain connection mode, which is easily thought by a person skilled in the art, and redundant description is not repeated herein.
As shown in fig. 1, the connecting rope 6 is wound on the driving shaft 5, the end portion of the connecting rope 6 is fixedly connected with the driving shaft 5, a connecting ring for connecting the end portion of the connecting rope 6 is arranged on the driving shaft 5, a transition plate 14 is arranged at the end portion of the heat-insulating tarpaulin 1, the end portion of the connecting rope 6 is connected with the transition plate 14, and a plurality of connecting ropes 6 are uniformly arranged along the axis of the driving shaft 5.
As shown in fig. 3, two ends of the supporting shaft 4 are fixedly connected with the corresponding supports 2, the sleeve 15 is arranged on the supporting shaft 4, the sleeve 15 is rotatably connected with the supporting shaft 4, and when the heat-insulating tarpaulin 1 bypasses the supporting shaft 4, the sleeve 15 rotates along with the supporting shaft, so that the heat-insulating tarpaulin 1 is more smoothly unfolded and folded. The sleeve 15 is provided with a groove 16 at a position corresponding to the connecting rope 6, the connecting rope 6 is matched with the groove 16, and the groove 16 plays a role in positioning the connecting rope 6. The end part of the supporting shaft 4 is provided with a positioning pin 17 for positioning the sleeve 15, so that the positioning pin is prevented from being disturbed.
Example two:
as shown in fig. 4, the support shaft 4 is provided with a bearing 18, the bearing 18 and the support shaft 4 are positioned by a gasket, a positioning ring 19 is arranged on the side surface of the outer ring of the bearing 18, a positioning groove 20 for positioning the connection rope 6 is arranged on the positioning ring 19, and the positioning ring 19 rotates along with the rotation of the outer ring of the bearing 18.
In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (9)
1. The utility model provides an agricultural greenhouse heat preservation device in winter, is including support (2) that are used for supporting the big-arch shelter shed roof, its characterized in that, still including be used for heat retaining tarpaulin (1), be used for heat retaining tarpaulin (1) to receive recovery roller (3), be used for supporting back shaft (4) of heat retaining tarpaulin (1) and be used for driving drive shaft (5) that heat retaining tarpaulin (1) were received, recovery roller (3) are located big-arch shelter left side support (2) lower extreme, back shaft (4) distribute to be supported on left and right sides support (2), drive shaft (5) are located right side support (2) lower extreme, and drive shaft (5) are connected with heat retaining tarpaulin (1) through connecting rope (6).
2. An agricultural greenhouse winter insulation apparatus as claimed in claim 1, characterized in that the two ends of the recovery roller (3) are provided with supports (7), the supports (7) are supported on the ground, the two ends of the recovery roller (3) are supported on the supports (7) and are rotatably connected with the supports (7), and the front end of the recovery roller (3) is provided with a first motor (11) for driving the recovery roller (3) to rotate.
3. An agricultural greenhouse winter insulation as claimed in claim 1, characterized in that the lower end of the support (2) is provided with a mounting bracket (8), the mounting bracket (8) is mounted on the support (2) by hoops, the right end of the mounting bracket (8) is provided with a frame (9), the upper end of the frame (9) is provided with an opening (10), the recovery roller (3) passes through the frame (9), and the insulation tarpaulin (1) passes through the opening (10).
4. An agricultural greenhouse winter insulation apparatus as claimed in claim 3, characterized in that the left end of the mounting frame (8) is provided with a support plate (12), the driving shaft (5) passes through the support plate (12) and is rotatably connected with the support plate (12), and the front end of the driving shaft (5) is provided with a second motor (13) for rotating the driving shaft (5).
5. An agricultural greenhouse winter insulation apparatus as claimed in claim 1, characterized in that the connecting rope (6) is wound on the driving shaft (5), the transition plate (14) is arranged at the end of the insulation tarpaulin (1), the end of the connecting rope (6) is connected with the transition plate (14), and a plurality of connecting ropes (6) are uniformly arranged along the axis of the driving shaft (5).
6. An agricultural greenhouse winter insulation device as claimed in claim 1, characterized in that the two ends of the supporting shaft (4) are fixedly connected with the corresponding brackets (2), the supporting shaft (4) is provided with a sleeve (15), and the sleeve (15) is rotatably connected with the supporting shaft (4).
7. An agricultural greenhouse winter insulation as claimed in claim 6, characterized in that the sleeve (15) is provided with a groove (16) at a position corresponding to the connecting rope (6), and the connecting rope (6) is engaged with the groove (16).
8. An agricultural greenhouse winter insulation as claimed in claim 6, characterized in that the end of the supporting shaft (4) is provided with a positioning pin (17) for positioning the sleeve (15).
9. An agricultural greenhouse winter insulation device as claimed in claim 1, characterized in that the supporting shaft (4) is provided with a bearing (18), the side of the outer ring of the bearing (18) is provided with a positioning ring (19), and the positioning ring (19) is provided with a positioning groove (20) for positioning the connecting rope (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110659260.XA CN113229000A (en) | 2021-06-15 | 2021-06-15 | Winter heat preservation device for agricultural greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110659260.XA CN113229000A (en) | 2021-06-15 | 2021-06-15 | Winter heat preservation device for agricultural greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113229000A true CN113229000A (en) | 2021-08-10 |
Family
ID=77139872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110659260.XA Pending CN113229000A (en) | 2021-06-15 | 2021-06-15 | Winter heat preservation device for agricultural greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113229000A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114830951A (en) * | 2022-05-19 | 2022-08-02 | 宁夏任进礼新连栋温室技术发展有限公司 | Roll up box module closing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205584911U (en) * | 2016-03-08 | 2016-09-21 | 吴文钦 | Heat preservation device with adjustable greenhouse vegetable |
| CN207201506U (en) * | 2017-08-09 | 2018-04-10 | 袁春续 | A kind of thermal curtain of vegetable greenhouse |
| CN108040688A (en) * | 2017-11-30 | 2018-05-18 | 四川康嘉农业发展有限公司 | Greenhouse for planting vegetable |
| CN108887044A (en) * | 2018-08-24 | 2018-11-27 | 中国农业科学院农业环境与可持续发展研究所 | A kind of attached-greenhouse inside holding paving volume system |
| CN109131031A (en) * | 2018-09-18 | 2019-01-04 | 石家庄金丰专用车有限公司 | A kind of semitrailer with protective device |
| CN211090929U (en) * | 2019-11-12 | 2020-07-28 | 常熟市佳盛农业科技发展有限公司 | Greenhouse top lifting device |
| CN213343611U (en) * | 2020-06-18 | 2021-06-04 | 浙江启美生态农业有限公司 | Automatic sun-shading device for butterfly orchid greenhouse |
-
2021
- 2021-06-15 CN CN202110659260.XA patent/CN113229000A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205584911U (en) * | 2016-03-08 | 2016-09-21 | 吴文钦 | Heat preservation device with adjustable greenhouse vegetable |
| CN207201506U (en) * | 2017-08-09 | 2018-04-10 | 袁春续 | A kind of thermal curtain of vegetable greenhouse |
| CN108040688A (en) * | 2017-11-30 | 2018-05-18 | 四川康嘉农业发展有限公司 | Greenhouse for planting vegetable |
| CN108887044A (en) * | 2018-08-24 | 2018-11-27 | 中国农业科学院农业环境与可持续发展研究所 | A kind of attached-greenhouse inside holding paving volume system |
| CN109131031A (en) * | 2018-09-18 | 2019-01-04 | 石家庄金丰专用车有限公司 | A kind of semitrailer with protective device |
| CN211090929U (en) * | 2019-11-12 | 2020-07-28 | 常熟市佳盛农业科技发展有限公司 | Greenhouse top lifting device |
| CN213343611U (en) * | 2020-06-18 | 2021-06-04 | 浙江启美生态农业有限公司 | Automatic sun-shading device for butterfly orchid greenhouse |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114830951A (en) * | 2022-05-19 | 2022-08-02 | 宁夏任进礼新连栋温室技术发展有限公司 | Roll up box module closing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205596747U (en) | Oblique unipolar photovoltaic solar shading system of flexible linkage | |
| KR101755540B1 (en) | Multi-layer insulating curtains opening and closing device for vinyl house | |
| CN206658648U (en) | A kind of agricultural planting greenhouse for winter vegetable plantation | |
| CN207626236U (en) | A kind of vinyl house top portion ventilation device | |
| CN206699295U (en) | A kind of staged automatic rainproof peanut seed drying frame | |
| CN113229000A (en) | Winter heat preservation device for agricultural greenhouse | |
| CN111758429A (en) | Multi-degree-of-freedom sun-shading three-dimensional greening device | |
| CN101054817A (en) | Multiple mechanical shift shed telescopic room | |
| CN208462543U (en) | Thermal insulation system in sunlight greenhouse | |
| CN209218745U (en) | One kind is followed spot formula photovoltaic heliogreenhouse | |
| CN217336657U (en) | Sunshade net installation device for green house | |
| CN202077443U (en) | Internal attemperator of greenhouse canopy | |
| CN214125208U (en) | Green energy-saving power generation device for agricultural greenhouse | |
| CN212487581U (en) | Agricultural greenhouse device | |
| CN2877270Y (en) | Curtain rolling machine for greenhouse | |
| CN216701131U (en) | Sun-shading and heat-insulating device for photovoltaic tea garden | |
| CN2371789Y (en) | Constructional element type sunlight greenhouse | |
| CN214430512U (en) | Greening roof is built in room | |
| CN213280872U (en) | Sunshade curtain drawing system | |
| CN108575427A (en) | Twin shaft is double by four seasons type heliogreenhouse | |
| CN212232395U (en) | Anti-freezing and heat-insulating device suitable for greenhouse planting | |
| CN218831446U (en) | Greenhouse top heat preservation structure and warmhouse booth | |
| CN216415327U (en) | Wisdom agricultural seedling growing greenhouse | |
| CN110050616A (en) | A kind of novel ecological circulating energy-saving heliogreenhouse | |
| CN214709100U (en) | Shatian pomelo seedling raising greenhouse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210810 |