CN109380028A - A kind of multi-functional reinforced greenhouse big-canopy framework structure - Google Patents
A kind of multi-functional reinforced greenhouse big-canopy framework structure Download PDFInfo
- Publication number
- CN109380028A CN109380028A CN201811499550.7A CN201811499550A CN109380028A CN 109380028 A CN109380028 A CN 109380028A CN 201811499550 A CN201811499550 A CN 201811499550A CN 109380028 A CN109380028 A CN 109380028A
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- Prior art keywords
- inner frame
- bar
- slidably connected
- canopy framework
- big
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- 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.)
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- 230000002787 reinforcement Effects 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000002356 single layer Substances 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 3
- 241000219112 Cucumis Species 0.000 description 2
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 2
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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
- A01G9/14—Greenhouses
- A01G9/1407—Greenhouses of flexible synthetic material
- A01G9/1415—Greenhouses of flexible synthetic material with double or multiple walls
-
- 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
- A01G9/227—Shades or blinds for greenhouses, or the like rolled up during non-use
-
- 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 kind of multi-functional reinforced greenhouse big-canopy framework structures, including one group of steelframe main body and the bar that is slidably connected, steelframe main body includes inner frame and outer skeleton, the certain supporting and space of spacing is formed between inner frame and outer skeleton, and multiple groups reinforcement supporting member is uniformly distributed in the supporting and space at equal intervals, reinforcement supporting member upper and lower ends are respectively and fixedly installed on outer skeleton and inner frame side wall, the bar that is slidably connected is equally distributed more along inner frame bottom length direction, and it is slidably connected between bar and inner frame and is vertically arranged, it is slidably connected between bar and inner frame bottom end and is slidably matched.It is usually single layer steel frame construction that the present invention, which solves existing framework of glasshouse big shack structure, so that the wind load resistance of big-canopy framework and the intensity of accumulated snow pressure are insufficient, simultaneously this kind of single layer big-canopy framework can only assembled monolayer membrane structure so that the Winter protection effect of greenhouse and the bad problem of summer sun-proof result.
Description
Technical field
The present invention relates to greenhouse technical field, specially a kind of multi-functional reinforced greenhouse big-canopy framework structure.
Background technique
During modern agricultural production, because of the restriction by weather and temperature, to influence the yield of crops.Nearly one
Section time country advocates and develops industrialized agriculture, especially national vegetable basket project.Promote vegetables, melon and fruit production technology
High speed development.Even more important in vegetables, melon and fruit production technology is exactly establishment planting technology；Utilize the heat preservation of greenhouse
Effect can plant anti-season vegetables, but existing framework of glasshouse big shack structure is usually single layer steel frame construction, this allows for greenhouse
The intensity of the wind load resistance of skeleton and accumulated snow pressure is insufficient, at the same this kind of single layer big-canopy framework can only assembled monolayer membrane structure, because
This makes the Winter protection effect of greenhouse and summer sun-proof result bad, causes the whole using effect of greenhouse
It is bad.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of multi-functional reinforced greenhouse big-canopy framework structures, solve
Existing framework of glasshouse big shack structure is usually single layer steel frame construction, so that the wind load resistance of big-canopy framework and accumulated snow pressure
Intensity is insufficient, at the same this kind of single layer big-canopy framework can only assembled monolayer membrane structure so that the Winter protection of greenhouse is imitated
Fruit and the bad problem of summer sun-proof result.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of multi-functional reinforced greenhouse big-canopy framework knot
Structure, including one group of steelframe main body and the bar that is slidably connected, the steelframe main body include inner frame and outer skeleton, and the inner frame position
The certain supporting and space of spacing is formed on the inside of outer skeleton, between the inner frame and outer skeleton, and in the supporting and space
Uniformly be distributed with multiple groups reinforcement supporting member at equal intervals, the reinforcement supporting member upper and lower ends be respectively and fixedly installed to outer skeleton and
On inner frame side wall, it is described be slidably connected bar be equally distributed more along inner frame bottom length direction, and the sliding company
It is vertically arranged between extension bar and inner frame, described be slidably connected between bar and inner frame bottom end is slidably matched.
Preferably, the inner frame and outer skeleton are all made of C-type steel and bend, and are each formed with c-type inner mold chamber, described
The bar top two sides that are slidably connected are fixedly connected to guide wheel, and the guide wheel be slidedly assemblied in inner frame c-type inner mold it is intracavitary.
Preferably, c-type inner mold bottom of chamber end two sides are each formed with interior hook, and between the interior hook spacing be less than lead
Take turns entire length size.
Preferably, the more reinforcement supporting members are fixedly connected to form multiple V-type stable support structures.
Preferably, screw fit spiral shell is all made of between the outer skeleton and reinforcement supporting member, inner frame and reinforcement supporting member
The bindiny mechanism that is detachably fixed in hole is fixedly connected.
Preferably, the inner frame and the domed structure of outer skeleton monnolithic case.
(3) beneficial effect
The present invention provides a kind of multi-functional reinforced greenhouse big-canopy framework structure, have it is following the utility model has the advantages that
(1) present invention is designed to by carrying out structure improvement to traditional single layer big-canopy framework structure by inner frame
The arched framework structure formed with outer skeleton double-layer structure, and multiple groups are fixedly connected with by reinforcing between the double arch skeleton structure
The V-type stable support structure that supporting element is composed of a fixed connection just can so greatly enhance the wind load resistance of the big-canopy framework and resist
The ability of accumulated snow pressure, wherein the V-type support construction being made of reinforcement supporting member, can further promote the steady of the support construction
It is qualitative, further, since screw fit screw hole will be all made of between outer skeleton and reinforcement supporting member, inner frame and reinforcement supporting member
It is detachably fixed bindiny mechanism to be fixedly connected, in this way, just can facilitate when single reinforcement supporting member is damaged or needed replacing
Single reinforcement supporting member is individually removed, it is convenient and practical；
(2) present invention, can by the more bars that are slidably connected that are uniformly slidably connected on inner frame bottom length direction
Facilitate and assemble canopy film or internal sunshade net in one layer on the inside of inner frame using the bar that is slidably connected, just can be formed in winter in this way
Inside and outside bilayer canopy film, so as to further promote the heat insulation effect of the greenhouse；Internal layer is touched and is changed to sunshade net by summer,
Sunshade temperature control function can be played, crops is solved and is exposed to the sun, moisture evaporates too fast problem；Further, since interior canopy film or interior screening
It is fixed on and is slidably connected on bar on the outside of screened postive, therefore the interior canopy film can follow the bar that is slidably connected to slide back and forth along inner frame together
It is dynamic, so that the free-open-close of canopy film or internal sunshade net in order to enhance illumination, or works as greenhouse when summer cloudy weather in realizing
When internal temperature is excessively high, the bar that is slidably connected for connecting internal sunshade net or interior canopy film can be slided one by one to inner frame side at any time
Dynamic, so that internal sunshade net or interior canopy film entirely be packed up, whole device is convenient and practical, utilizes adjusting；Wherein, inner frame is straight
It connects and is bent using C-type steel, and be formed with c-type inner mold chamber, therefore can facilitate and guide wheel is directly installed on the c-type inner mold chamber
It is interior, without the separately installed guide rail mechanism again on inner frame, the duration is not only saved, while saving construction material, furthermore c-type
Steel itself also has stronger structural strength, can enhance the support force of estimation.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is partial structurtes enlarged drawing of the invention；
Fig. 3 is the structural schematic diagram that the bar that is slidably connected of the invention is connect with guide wheel.
In figure: steelframe main body 1, the bar 2 that is slidably connected, reinforcement supporting member 3, inner frame 4, outer skeleton 5, interior hook 6, in c-type
Type chamber 7, guide wheel 8.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of technical solution: a kind of multi-functional reinforced greenhouse big-canopy framework structure,
Including one group of steelframe main body 1 and the bar 2 that is slidably connected, steelframe main body 1 includes inner frame 4 and outer skeleton 5, and inner frame 4 is positioned at outer
5 inside of skeleton, forms the certain supporting and space of spacing between inner frame 4 and outer skeleton 5, and uniformly equidistant in the supporting and space
Multiple groups reinforcement supporting member 3 is distributed with, 3 upper and lower ends of reinforcement supporting member are respectively and fixedly installed to 4 side wall of outer skeleton 5 and inner frame
On, more reinforcement supporting members 3 are fixedly connected to form multiple V-type stable support structures；Outer skeleton 5 and reinforcement supporting member 3, inner frame
The bindiny mechanism that is detachably fixed that screw fit screw hole is all made of between 4 and reinforcement supporting member 3 is fixedly connected.
By carrying out structure improvement to traditional single layer big-canopy framework structure, it is designed to by inner frame 4 and outer skeleton 5
The arched framework structure of double-layer structure composition, and multiple groups are fixedly connected with by reinforcement supporting member 3 between the double arch skeleton structure
The V-type stable support structure being composed of a fixed connection, just can so greatly enhance the big-canopy framework wind load resistance and anti-accumulated snow pressure
The ability of power, wherein the V-type support construction being made of reinforcement supporting member 3, can further promote the stability of the support construction,
Further, since by screw fit screw hole is all made of between outer skeleton 5 and reinforcement supporting member 3, inner frame 4 and reinforcement supporting member 3
Bindiny mechanism is detachably fixed to be fixedly connected, in this way, when single reinforcement supporting member 3 is damaged or needed replacing, it just can be square
Just single reinforcement supporting member 3 is individually removed, it is convenient and practical；
The bar 2 that is slidably connected is along equally distributed more of 4 bottom length direction of inner frame, and be slidably connected bar 2 and in-seam
It is vertically arranged between frame 4, is slidably matched between 4 bottom end of bar 2 and inner frame that is slidably connected；Inner frame 4 and outer skeleton 5 are all made of C
Fashioned iron is bent, and is each formed with c-type inner mold chamber 7, and the 2 top two sides of bar that are slidably connected are fixedly connected to guide wheel 8, and guide wheel
8 are slidedly assemblied in the c-type inner mold chamber 7 of inner frame 4, and 7 bottom end two sides of c-type inner mold chamber are each formed with interior hook 6, and interior hook 6
Between spacing be less than 8 entire length size of guide wheel；
By the bar 2 that is slidably connected that is uniformly slidably connected more on 4 bottom length direction of inner frame, utilization can be facilitated
The bar 2 that is slidably connected assembles canopy film or internal sunshade net in one layer on the inside of inner frame 4, just can be formed in winter so inside and outside double
Layer canopy film, so as to further promote the heat insulation effect of the greenhouse；Summer, which touches internal layer, is changed to sunshade net, Neng Gouqi
To sunshade temperature control function, solves crops and be exposed to the sun, moisture evaporates too fast problem；Further, since outside interior canopy film or internal sunshade net
Side, which is fixed on, to be slidably connected on bar 2, therefore the interior canopy film can follow the bar 2 that is slidably connected to slidably reciprocate together along inner frame 4, from
And the free-open-close of canopy film or internal sunshade net in realizing in order to enhance illumination, or works as inside greenhouse temperature when summer cloudy weather
When spending high, the bar 2 that is slidably connected for connecting internal sunshade net or interior canopy film can be slided one by one to 4 side of inner frame at any time,
To entirely pack up internal sunshade net or interior canopy film, whole device is convenient and practical, utilizes adjusting；Wherein, inner frame 4 is direct
It is bent using C-type steel, and is formed with c-type inner mold chamber 7, therefore can facilitated and guide wheel 8 is directly installed on the c-type inner mold chamber
In 7, without the separately installed guide rail mechanism again on inner frame 4, the duration is not only saved, while saving construction material, furthermore C
Fashioned iron itself also has stronger structural strength, can enhance the support force of estimation；Finally, if it is desired to automatically control sliding and connect
Extension bar 2 drives folding for internal sunshade net or interior canopy film, corresponding driving motor can be installed on the inside of inner frame 4, and will slide
Dynamic connecting rod 2 is connect by wire or other transmission mechanisms with driving motor, realizes the bar 2 that is slidably connected using driving motor
Automatic retracting, and driving motor is connect with the external end PC, realizes Internet of Things automatic technology.
In order to further enhance the stability of strutting system of the big-canopy framework, inner frame 4 and 5 monnolithic case of outer skeleton are domed
Structure.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of multi-functional reinforced greenhouse big-canopy framework structure, including one group of steelframe main body (1) and the bar that is slidably connected (2),
Be characterized in that: the steelframe main body (1) includes inner frame (4) and outer skeleton (5), and the inner frame (4) is located at outer skeleton (5)
Inside forms the certain supporting and space of spacing between the inner frame (4) and outer skeleton (5), and in the supporting and space
Even to be distributed with multiple groups reinforcement supporting member (3) at equal intervals, reinforcement supporting member (3) upper and lower ends are respectively and fixedly installed to dermoskeleton
On frame (5) and inner frame (4) side wall, the bar that is slidably connected (2) is equally distributed more along inner frame (4) bottom length direction
Root, and be vertically arranged between the bar that is slidably connected (2) and inner frame (4), the bar that is slidably connected (2) and inner frame (4) bottom
It is slidably matched between end.
2. a kind of multi-functional reinforced greenhouse big-canopy framework structure according to claim 1, it is characterised in that: the in-seam
Frame (4) and outer skeleton (5) are all made of C-type steel and bend, and are each formed with c-type inner mold chamber (7), the bar that is slidably connected (2)
Top two sides are fixedly connected to guide wheel (8), and the guide wheel (8) is slidedly assemblied in the c-type inner mold chamber (7) of inner frame (4).
3. a kind of multi-functional reinforced greenhouse big-canopy framework structure according to claim 2, it is characterised in that: the c-type
Inner mold chamber (7) bottom end two sides are each formed with interior hook (6), and spacing is less than guide wheel (8) entire length between the interior hook (6)
Size.
4. a kind of multi-functional reinforced greenhouse big-canopy framework structure according to any one of claim 1-3, feature exist
In: the more reinforcement supporting members (3) are fixedly connected to form multiple V-type stable support structures.
5. a kind of multi-functional reinforced greenhouse big-canopy framework structure according to claim 4, it is characterised in that: described outer
The detachable of screw fit screw hole is all made of between skeleton (5) and reinforcement supporting member (3), inner frame (4) and reinforcement supporting member (3)
Mechanism is fixedly connected with to be fixedly connected.
6. a kind of multi-functional reinforced greenhouse big-canopy framework structure according to any one of claim 1-3, feature exist
In: the inner frame (4) and the domed structure of outer skeleton (5) monnolithic case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499550.7A CN109380028A (en) | 2018-12-09 | 2018-12-09 | A kind of multi-functional reinforced greenhouse big-canopy framework structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499550.7A CN109380028A (en) | 2018-12-09 | 2018-12-09 | A kind of multi-functional reinforced greenhouse big-canopy framework structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109380028A true CN109380028A (en) | 2019-02-26 |
Family
ID=65429199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811499550.7A Pending CN109380028A (en) | 2018-12-09 | 2018-12-09 | A kind of multi-functional reinforced greenhouse big-canopy framework structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN109380028A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118252049A (en) * | 2024-05-31 | 2024-06-28 | 常州顶点温室工程有限公司 | Storm-resistant framework connecting piece for greenhouse |
| CN120359944A (en) * | 2025-06-07 | 2025-07-25 | 寿光市盛丰温室工程有限公司 | A lightweight greenhouse |
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|---|---|---|---|---|
| CN101569276A (en) * | 2009-06-19 | 2009-11-04 | 刘国兴 | Steel skeleton of greenhouse shed |
| CN201758624U (en) * | 2010-09-07 | 2011-03-16 | 河南省海芋生物发展有限公司 | Lily booth double girder-type frame section bar |
| CN104737853A (en) * | 2015-03-26 | 2015-07-01 | 济南正庄农业科技有限公司 | Asymmetry arch rail sunlight greenhouse system special for fruit trees and construction method of asymmetry arch rail sunlight greenhouse system |
| CN204907337U (en) * | 2015-03-26 | 2015-12-30 | 济南正庄农业科技有限公司 | Special asymmetric rail sunlight greenhouse system of encircleing of fruit tree |
| CN207054229U (en) * | 2017-02-27 | 2018-03-02 | 宁夏新起点现代农业装备科技有限公司 | Warm canopy framework and warmhouse booth |
| CN209218742U (en) * | 2018-12-09 | 2019-08-09 | 肥东县绿建温室大棚科技有限公司 | A kind of multi-functional reinforced greenhouse big-canopy framework structure |
-
2018
- 2018-12-09 CN CN201811499550.7A patent/CN109380028A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101569276A (en) * | 2009-06-19 | 2009-11-04 | 刘国兴 | Steel skeleton of greenhouse shed |
| CN201758624U (en) * | 2010-09-07 | 2011-03-16 | 河南省海芋生物发展有限公司 | Lily booth double girder-type frame section bar |
| CN104737853A (en) * | 2015-03-26 | 2015-07-01 | 济南正庄农业科技有限公司 | Asymmetry arch rail sunlight greenhouse system special for fruit trees and construction method of asymmetry arch rail sunlight greenhouse system |
| CN204907337U (en) * | 2015-03-26 | 2015-12-30 | 济南正庄农业科技有限公司 | Special asymmetric rail sunlight greenhouse system of encircleing of fruit tree |
| CN207054229U (en) * | 2017-02-27 | 2018-03-02 | 宁夏新起点现代农业装备科技有限公司 | Warm canopy framework and warmhouse booth |
| CN209218742U (en) * | 2018-12-09 | 2019-08-09 | 肥东县绿建温室大棚科技有限公司 | A kind of multi-functional reinforced greenhouse big-canopy framework structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118252049A (en) * | 2024-05-31 | 2024-06-28 | 常州顶点温室工程有限公司 | Storm-resistant framework connecting piece for greenhouse |
| CN118252049B (en) * | 2024-05-31 | 2024-09-20 | 常州顶点温室工程有限公司 | Storm-resistant framework connecting piece for greenhouse |
| CN120359944A (en) * | 2025-06-07 | 2025-07-25 | 寿光市盛丰温室工程有限公司 | A lightweight greenhouse |
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Application publication date: 20190226 |
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