CN107593178A - A kind of assembled type steel frame greenhouse design method and its structure - Google Patents
A kind of assembled type steel frame greenhouse design method and its structure Download PDFInfo
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- CN107593178A CN107593178A CN201710832909.7A CN201710832909A CN107593178A CN 107593178 A CN107593178 A CN 107593178A CN 201710832909 A CN201710832909 A CN 201710832909A CN 107593178 A CN107593178 A CN 107593178A
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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 present invention provides a kind of assembled type steel frame greenhouse design method and its structure, using " lifting risen, first determines (rising shoulder height)/span ideal ratio; reasonable axis airflow design is carried out between two shoulder height acnodes " method, solve actual (rising shoulder height)/span ratio and larger problem is differed with ideal ratio；Greenhouse structure is optimized using " the string branch girder construction " in building lightweight steel construction, on the basis of not increasing construction cost substantially, not reducing building safety, the function of " one layer of framework, multilayer covering " is realized, strengthens greenhouse winter heat-insulation and heat-preservation and summer sunshading and temperature reducing ability.
Description
Technical field
The invention belongs to agricultural greenhouse technical field, and in particular to a kind of assembled type steel frame greenhouse design method and its knot
Structure.
Background technology
Assembled coating steel pipe vinyl house is that the country designed by Chinese agriculture Study on Engineering Design institute nineteen eighty-two shapes
Product, there is the advantages such as uniform specification, installation are simple and easy, solid film is convenient, construction cost is low, be widely used in China south
The northern gardening plant Spring Festival is in advance or autumn postpones nursery or cultivation.Assembled coating steel pipe vinyl house is factorial praluction
Industrial products, by the improvement and development of more than 30 years, formed standard, more than 20 kind series of specification.
The main specifications structure of assembled thin-wall galvanized steel pipe greenhouse is：Span is generally 6~8m, 2.5~3m of rise, long
30~50m, 1.2~1.5m of vent height.Arch bar, vertical pole, pull bar, steel is made with 1.2~1.5mm of thickness of pipe wall thin-wall steel tube
0.6~1m of tube pitch, inside and outside galvanizing by dipping is to increase the service life.Canopy body is assembled into fixture, sleeve pipe connection canopy bar, covering is thin
Film is fixed with film-clamping groove.So greenhouse increases the ventilation and penetrating light amount in canopy, and consider soil on the premise of wind resistance, snow
The control environment of the raising and various arable farmings of utilization rate.
However, there is following problem in existing greenhouse：
(1) actual (rising-shoulder height)/span ratio differs larger with ideal ratio.Greenhouse less than 0.25, canopy face are compared
Flat, wind loading rating is poor；Greenhouse more than 0.3, canopy face steeper, wind load increase.
(2) the defects of maximum is can not all to be produced winter and summer.Assembled type steel frame vinyl house winter is generally only
There is thin film covering, heat-insulation and heat-preservation is limited in one's ability, and winter thumping majority crop all can not safe overwintering production；Summer, only exist
One layer of sunshade net is covered above film, without air flow between sunshade net and film, sunshading and temperature reducing effect is very limited, therefore,
It can not almost be used in summer.
The content of the invention
The present invention solves the technical problem of existing greenhouse winter heat-insulation and heat-preservation and summer sunshading and temperature reducing ability, there is provided a kind of
Assembled type steel frame greenhouse, greenhouse structure is optimized using " the string branch girder construction " in building lightweight steel construction, is not increasing construction substantially
Cost, on the basis of not reducing building safety, the function of " one layer of framework, multilayer covering " is realized, it is heat-insulated to strengthen greenhouse winter
Insulation and summer sunshading and temperature reducing ability.
In order to solve the technical problem of the present invention, the present invention is achieved by the following technical solutions：A kind of assembled steel
Frame greenhouse design method, comprises the following steps：
S1：Determine that greenhouse rises H, shoulder height A, span B, determine ideal ratio D, D=(rising H- shoulder height A)/span B；
S2：Reasonable axis airflow design between two shoulder height acnodes
Rationally axis calculation formula is：Y=4 (B-X) HX/B2, Y is the height of each acnode in formula, H to rise, B be across
Degree, X is horizontal range, according to different X values, calculates the height Y of each acnode of reasonable axis between two shoulder height acnodes.
After the height Y for calculating each acnode, the symmetric points for the height Y that each acnode is formed for axis are risen with greenhouse, are connected
Each summit, form the arch of streamlined rationally axis.
S3：Triangle string strutbeam is fixed
At least three triangle string strutbeam, two tops of triangle string strutbeam are uniformly arranged between the shoulder height acnode of greenhouse arch bar two
Point is fixed on greenhouse arch bar, and the 3rd summit is as longitudinal tie and the fixing point of the chord of arch；Longitudinal tie passes through triangle string branch
The triangle point of beam realizes the separation of longitudinal tie and greenhouse arch bar, can at least realize that bilayer film and double-layered sunshade net cover
Lid.
S4：Bilayer film and inside and outside Shading net covering
One layer of outer film is covered on greenhouse arch bar, covers film in one layer on the longitudinal tie, internal layer membrane is big two
Ditch is strangled out with film-pressing line among canopy arch bar spacing, trench interval is formed between interior outer membrane；Outer film surface covers one layer of external sunshade
Net, trench interval is left between outer layer sunshade net and interior film；One layer of movable internal sunshade net is covered on the chord of arch.
A kind of assembled type steel frame greenhouse structure, including greenhouse arch bar, longitudinal tie and the chord of arch, the shoulder height of greenhouse arch bar two
Triangle string strutbeam is uniformly arranged between acnode, the triangle vertex of the triangle string strutbeam is longitudinal tie and the fixing point of the chord of arch；
The triangle string strutbeam includes first string branch support bar, the second string branch support bar and anchor ear A, anchor ear B, anchor ear C, the first string
Branch support bar one end is connected by the anchor ear A with the greenhouse arch bar, and described second string branch support bar one end passes through described armful
Hoop B is connected with the greenhouse arch bar, and the first string branch support bar other end passes through with the second string branch support bar other end
The anchor ear C is fixed on the longitudinal tie jointly；The chord of arch is connection greenhouse arch bar, triangle string strutbeam triangle vertex
Galvanized wire；One layer of outer film is covered outside the greenhouse arch bar, the greenhouse arch bar is interior, it is thin in one layer to be covered outside longitudinal tie
Film, the outer film surface cover one layer of external sunshade net；One layer of movable internal sunshade net is covered on the chord of arch, summer illumination is too strong
When, manual expansion activity internal sunshade net, strengthen sunshading and temperature reducing ability.
Preferably, the greenhouse arch bar, the chord of arch and triangle string strutbeam are flexible structure, apply wind load and Xue He in greenhouse
In the case of load, the flexible chord of arch can automatically generate stress, balance Arch frame for large green house horizontal component, and strengthen the support of Arch frame for large green house
Ability.
Preferably, the interior film strangles out ditch among two greenhouse arch bar spacing with film-pressing line, the outer film and interior thin
Trench interval, the heat-insulating capability of enhanced film are formed between film.
Preferably, there is 30cm trench interval between the external sunshade net and the interior film, be advantageous to lift sunshade drop
Temp effect.
Preferably, the greenhouse arch bar is connected with longitudinal tie by triangle string strutbeam, separation framework is formed, so as to realize
It can realize that one layer of framework has the effect of plural layers or Shading net covering, strengthen greenhouse winter heat-insulation and heat-preservation and summer sunshade
Cooling capacity.
Compared with prior art, the beneficial effect that obtains of the present invention is：
A kind of assembled type steel frame greenhouse design method and its structure disclosed by the invention, greenhouse shoulder height and rising further carry
Height, it is easy to plant slightly higher crop and carries out operation using small-scale agricultural machinery in greenhouse.
A kind of assembled type steel frame greenhouse design method and its structure disclosed by the invention, the steadiness of greenhouse is strong, better than biography
System assembled hot galvanized steel pipe vinyl house, greenhouse arch design comply fully with streamlined reasonable axis designs.
A kind of assembled type steel frame greenhouse design method and its structure disclosed by the invention, although improving the height of greenhouse,
Lever lengthens and added string branch girder construction, but due to enhancing the support force of arch bar, the building of greenhouse using string branch girder construction
Cost does not almost increase.
A kind of assembled type steel frame greenhouse design method and its structure disclosed by the invention, using the design of triangle string strutbeam,
So that longitudinal tie is formed with arch bar separates framework, it is possible to achieve one layer of framework has plural layers or Shading net covering, enhancing
Greenhouse winter heat-insulation and heat-preservation and summer sunshading and temperature reducing ability.
A kind of assembled type steel frame greenhouse design method and its structure disclosed by the invention, are formed between outer film and interior film
Trench interval, leave the air gap, the heat-insulating capability of enhanced film.Trench interval is formed between external sunshade net and interior film, is stayed
There is the air gap, be advantageous to lift sunshading and temperature reducing effect.
A kind of assembled type steel frame greenhouse design method and its structure disclosed by the invention, hidden in one layer of activity of covering on the chord of arch
Screened postive, when summer illumination is too strong, manual expansion activity internal sunshade net, it can further improve sunshading and temperature reducing ability
A kind of assembled type steel frame greenhouse design method and its structure disclosed by the invention, the chord of arch and triangle string strutbeam are flexibility
Structure, in the case where greenhouse applies wind load and snow load, the flexible chord of arch can automatically generate stress, balance Arch frame for large green house water
Divide power equally, and strengthen the enabling capabilities of Arch frame for large green house.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Reference：1st, greenhouse arch bar；2nd, longitudinal tie；3rd, the chord of arch；4th, triangle string strutbeam；41st, first string branch support bar；
42nd, the second string branch support bar；43rd, anchor ear A；44th, anchor ear B；45th, anchor ear C；5th, outer film；6th, interior film；7th, external sunshade net；8、
Movable internal sunshade net.
Embodiment
Below in conjunction with the accompanying drawings, embodiment is described in detail.
A kind of assembled type steel frame greenhouse design method, illustrate by taking 8 meters of greenhouses of span as an example, comprise the following steps：
S1：Determine that greenhouse is risen as 4 meters, shoulder height is 2 meters, (rising-shoulder height)/span=0.25 of whole greenhouse.
S2：Reasonable axis airflow design between two shoulder height acnodes
Rationally axis calculation formula is：Y=4 (B-X) HX/B2, Y is the height of each acnode in formula, H to rise, B be across
Degree, X is horizontal range, according to different X values, calculates the height of each acnode of reasonable axis between two shoulder height acnodes.
Here reasonable axis span is 6 meters (subtracting each 1 meter of two shoulder height horizontal ranges) between two shoulder height acnodes, i.e. B=6；
Rise and should be design greenhouse and rise the shoulder height for subtracting greenhouse, i.e. H=2；
Work as X1=0.75；X2=1.5；X3=2.25；During X4=3, each arc of reasonable axis between two shoulder height acnodes is calculated
The height of point：
Y1=4 (6-0.75) * 2*0.75/62=0.875
Y2=4 (6-1.50) * 2*1.50/62=1.500
Y3=4 (6-2.25) * 2*2.25/62=1.875
Y4=4 (6-3) * 2*3/62=2
After calculating Y1, Y2, Y3 and Y4, the symmetric points that Y1, Y2, Y3 are formed for axis are risen with greenhouse, connect each summit,
Form the arch of streamlined rationally axis.
S3：Triangle string strutbeam is fixed
At least three triangle string strutbeam, two tops of triangle string strutbeam are uniformly arranged between the shoulder height acnode of greenhouse arch bar two
Point is fixed on greenhouse arch bar, and the 3rd summit is as longitudinal tie and the fixing point of the chord of arch；Longitudinal tie passes through triangle string branch
The triangle point of beam realizes the separation of longitudinal tie and greenhouse arch bar, the separation framework of longitudinal tie and greenhouse arch bar, reaches
One layer of framework realizes plural layers or Shading net covering, strengthens greenhouse winter heat-insulation and heat-preservation and summer sunshading and temperature reducing ability.Triangle
String branch girder construction is a kind of flexible structure, in the case where greenhouse applies wind load and snow load, flexible galvanized wire material
The chord of arch of composition can automatically generate stress, balance Arch frame for large green house horizontal component, and strengthen the enabling capabilities of Arch frame for large green house.
S4：Bilayer film and inside and outside Shading net covering
One layer of outer film is covered on greenhouse arch bar, covers film in one layer on the longitudinal tie, internal layer membrane is big two
Ditch is strangled out with film-pressing line among canopy arch bar spacing, trench interval, the heat-insulating capability of enhanced film are formed between interior outer membrane；Outer film
Surface covers one layer of external sunshade net, and trench interval is left between outer layer sunshade net and interior film, is advantageous to lift external sunshade sunshade
Cooling-down effect；One layer of movable internal sunshade net is covered on the chord of arch, when summer illumination is too strong, manual expansion activity internal sunshade, Ke Yijin
One step improves sunshading and temperature reducing ability.
Referring to accompanying drawing 1, a kind of assembled type steel frame greenhouse structure, including greenhouse arch bar 1, longitudinal tie 2 and the chord of arch 3, it is described
Triangle string strutbeam 4 is uniformly arranged between 1 liang of shoulder height acnode of greenhouse arch bar, the triangle vertex of the triangle string strutbeam 4 draws for longitudinal direction
The fixing point of bar 2 and the chord of arch 3；The triangle string strutbeam 4 includes first string branch support bar 41, the second string branch support bar 42 and anchor ear
A43, anchor ear B44, anchor ear C45, described one end of first string branch support bar 41 is connected by the anchor ear A43 and the greenhouse arch bar 1
Connect, described one end of second string branch support bar 42 is connected by the anchor ear B44 with the greenhouse arch bar 1, the first string branch branch
The other end of strut 41 is fixed on the longitudinal tie jointly with the other end of the second string branch support bar 42 by the anchor ear C45
On 2；The chord of arch 3 is connection greenhouse arch bar 1, the galvanized wire of the triangle vertex of triangle string strutbeam 4；The greenhouse arch bar 1 is overcoating
One layer of outer film 5 of lid, the greenhouse arch bar 1 is interior, film 6 in one layer is covered outside longitudinal tie 2, the surface of outer film 5 covering
One layer of external sunshade net 7, one layer of movable internal sunshade net 8 is covered on the chord of arch 3, when summer illumination is too strong, in manual expansion activity
Sunshade net 8, it can further improve sunshading and temperature reducing ability.
Further, the greenhouse arch bar 1, the chord of arch 3 and triangle string strutbeam 4 are flexible structure, apply wind load in greenhouse
In the case of snow load, the flexible chord of arch 3 can automatically generate stress, balance Arch frame for large green house horizontal component, and strengthen greenhouse arch
The enabling capabilities of frame.
Further, the interior film 6 strangles out ditch, the He of outer film 5 among the spacing of two greenhouse arch bar 1 with film-pressing line
Trench interval, the heat-insulating capability of enhanced film are formed between interior film 6.
Further, there is 30cm trench interval between the external sunshade net 7 and the interior film 6, be advantageous to lifting and hide
Positive cooling-down effect.
Further, the greenhouse arch bar 1 is connected with longitudinal tie 2 by triangle string strutbeam 4, forms separation framework, from
And realizing can realize that one layer of framework has the effect of plural layers or Shading net covering, strengthen greenhouse winter heat-insulation and heat-preservation and summer
Season sunshading and temperature reducing ability.
Listed above is only one of specific embodiment of the present invention.It is clear that the invention is not restricted to above example, may be used also
To there is many similar reshapings.What one of ordinary skill in the art directly can export or associate from present disclosure
All deformations, are considered as invention which is intended to be protected.
Claims (6)
- A kind of 1. assembled type steel frame greenhouse design method, it is characterised in that：Comprise the following steps：S1：Determine that greenhouse rises H, shoulder height A, span B, determine ideal ratio D, D=(rising H- shoulder height A)/span B；S2：Reasonable axis airflow design between two shoulder height acnodesRationally axis calculation formula is：Y=4 (B-X) HX/B2, Y is the height of each acnode in formula, and H is rises, and B is span, and X is Horizontal range, according to different X values, calculate between two shoulder height acnodes the rationally height of each acnode of axis；Calculate each acnode Height Y after, the height Y that each acnode is formed for axis symmetric points are risen with greenhouse, connect each summit, formed it is streamlined rationally The arch of axis；S3：Triangle string strutbeam is fixedAt least three triangle string strutbeam is uniformly arranged between the shoulder height acnode of greenhouse arch bar two, two summits of triangle string strutbeam are consolidated It is scheduled on greenhouse arch bar, the 3rd summit is as longitudinal tie and the fixing point of the chord of arch；S4：Bilayer film and inside and outside Shading net coveringOne layer of outer film is covered on greenhouse arch bar, covers film in one layer on the longitudinal tie, internal layer membrane encircles in two greenhouses Ditch is strangled out with film-pressing line among distance between tie rods, trench interval is formed between interior outer membrane；Outer film surface covers one layer of external sunshade net, outside Trench interval is left between layer sunshade net and interior film；One layer of movable internal sunshade net is covered on the chord of arch.
- A kind of 2. assembled type steel frame greenhouse structure, it is characterised in that：Including greenhouse arch bar, longitudinal tie and the chord of arch, the greenhouse Triangle string strutbeam is uniformly arranged between the shoulder height acnode of arch bar two, the triangle vertex of the triangle string strutbeam is longitudinal tie and the chord of arch Fixing point；The triangle string strutbeam includes first string branch support bar, the second string branch support bar and anchor ear A, anchor ear B, anchor ear C, Described first string branch support bar one end is connected by the anchor ear A with the greenhouse arch bar, described second string branch support bar one end It is connected by the anchor ear B with the greenhouse arch bar, the first string branch support bar other end and the second string branch support bar The other end is fixed on the longitudinal tie jointly by the anchor ear C；The chord of arch is connection greenhouse arch bar, triangle string strutbeam The galvanized wire of triangle vertex；One layer of outer film is covered outside the greenhouse arch bar, the greenhouse arch bar is interior, is covered outside longitudinal tie Film in one layer, the outer film surface cover one layer of external sunshade net, one layer of movable internal sunshade net are covered on the chord of arch.
- A kind of 3. assembled type steel frame greenhouse structure as claimed in claim 2, it is characterised in that：The greenhouse arch bar, the chord of arch and Triangle string strutbeam is flexible structure.
- A kind of 4. assembled type steel frame greenhouse structure as claimed in claim 2 or claim 3, it is characterised in that：The greenhouse of interior film two Ditch is strangled out with film-pressing line among arch bar spacing, trench interval is formed between the outer film and interior film.
- A kind of 5. assembled type steel frame greenhouse structure as claimed in claim 2 or claim 3, it is characterised in that：The external sunshade net and institute Stating has 30cm trench interval between interior film.
- A kind of 6. assembled type steel frame structure as claimed in claim 2 or claim 3, it is characterised in that：The greenhouse arch bar is drawn with longitudinal direction Bar is connected by triangle string strutbeam, forms separation framework.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710832909.7A CN107593178A (en) | 2017-09-15 | 2017-09-15 | A kind of assembled type steel frame greenhouse design method and its structure |
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| CN201710832909.7A CN107593178A (en) | 2017-09-15 | 2017-09-15 | A kind of assembled type steel frame greenhouse design method and its structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116784134A (en) * | 2023-08-07 | 2023-09-22 | 盈江县盈乐农业科技发展有限公司 | Novel warmhouse booth structure |
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Application publication date: 20180119 |