CN211129152U

CN211129152U - Large-span asymmetric non-equal-height greenhouse

Info

Publication number: CN211129152U
Application number: CN201921929401.XU
Authority: CN
Inventors: 李建明; 肖金鑫
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-31
Anticipated expiration: 2029-11-11

Abstract

The utility model relates to a big-arch shelter such as asymmetric non-height of large-span. The utility model discloses a south big-arch shelter and north big-arch shelter, south big-arch shelter span is greater than north big-arch shelter span, form asymmetric structure, south big-arch shelter and north big-arch shelter are supported through a plurality of bow members that set gradually along east-west, the independent post supports on the bow member between south big-arch shelter and north big-arch shelter, south big-arch shelter adopts south truss connection bow member, north big-arch shelter adopts north truss connection bow member, south truss height is less than the north truss, south truss, north truss staggers and forms structures such as tall and admirable height in south low north, south truss, the difference in height part between the north truss forms a vent. The utility model has the advantages of high land utilization rate, high degree of mechanization, high cost, high temperature performance of the greenhouse, strong wind and snow resistance and strong load capacity, and is not easy to form a water drum.

Description

Large-span asymmetric non-equal-height greenhouse

Technical Field

The utility model belongs to the technical field of the agricultural and specifically relates to a big-arch shelter such as asymmetric non-height of large-span.

Background

The sunlight greenhouse and the plastic greenhouse are main facilities for producing fresh vegetables in China, not only solves the problem that vegetables in the northern area are difficult to eat in winter, but also greatly improves the yield of vegetables and fruits in the northern and the southern areas, drives good social and economic benefits and enables more farmers to become rich. Also appear at present that large-span sunlight greenhouse, large-span big-arch shelter and the asymmetric big-arch shelter of large-span have improved a lot of defects of preceding structure, nevertheless still have the drawback now:

1) the existing sunlight greenhouse is shaded due to the fact that the height of a rear wall is too high, the distance between the greenhouse and the greenhouse is large, land is wasted, and the land utilization rate is still not high.

2) The sunlight greenhouse has high construction cost, and the wall structure always occupies a great proportion.

3) The large-span greenhouse has no heat-insulating covering structure, and is difficult to produce in winter.

4) The ventilation mode of the greenhouse and the sunlight greenhouse is easy to form water bags, and the structure and the indoor crop growth are influenced.

5) Compared with a sunlight greenhouse, the greenhouse structure has weak wind and snow load resistance and is easy to have weak points of structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the problem that above-mentioned current sunlight greenhouse and vinyl house exist, and provide a big-arch shelter such as asymmetric non-height of large-span, solve the land utilization rate that current sunlight greenhouse exists and hang down, degree of mechanization is little, and the cost is high and big-arch shelter temperature performance is poor, anti-wind snow load ability is weak, easily form shortcomings such as water drum.

The technical solution of the utility model is that: the utility model relates to a big-arch shelter such as asymmetric non-height of large-span, its special character lies in: the big-arch shelter includes south big-arch shelter and north big-arch shelter, south big-arch shelter span is greater than north big-arch shelter span, form asymmetric structure, south big-arch shelter and north big-arch shelter are supported through a plurality of bow member that set gradually along east-west, the independent post supports on the bow member between south big-arch shelter and north big-arch shelter, south big-arch shelter adopts south truss connection bow member, north big-arch shelter adopts north truss connection bow member, south truss height is less than the north truss, the south truss, north truss staggers the high-altitude structure such as the south height of formation north-south low height, the south truss, the difference in height part between the north truss forms the top vent, traditional top vent is replaced in this kind of top vent, be favorable to quick heat dissipation under the high temperature condition, solve the problem that traditional top vent easily formed the water.

Preferably, the arch center comprises an upper arch center chord pipe and a lower arch center chord pipe, the upper arch center chord pipe and the lower arch center chord pipe are connected through a double-beam card, the arch centers are connected through tie rods, the upper chord pipe is a DN40 hot-dip galvanized steel pipe, the lower chord pipe is a DN32 hot-dip galvanized steel pipe, the upper chord pipe and the lower chord pipe are connected through a double-beam card in a welding mode, the distance between the arch centers is 1-1.2 m, the arch centers are connected through DN20 tie rods, and the total number of 13 tie rods is increased, so that the overall stability is improved.

Preferably, a peripheral strip foundation is arranged around the greenhouse, a single-column foundation is arranged between the south greenhouse and the north greenhouse, the arch frame is welded on embedded parts of the peripheral strip foundation, and the high truss, the low truss and the single column are welded on the embedded parts of the single-column foundation; whole bow member, truss structure weld in the built-in fitting and the independent column basis of bar basis all around, and the independent column welds on the built-in fitting of independent column basis, and the built-in fitting adopts 10mm thick steel plate.

Preferably, the outer side of the greenhouse is covered with a plastic film, a heat preservation quilt and a color steel foam board which are fixed on the greenhouse body through film clamping grooves, the tops of the north and south trusses and the north and south sides of the greenhouse are respectively provided with a ground anchor, the plastic film is fixed through a film pressing line, and the plastic film is a three-proofing film with more than 10 filaments.

Preferably, side vents are arranged on two sides of the greenhouse, insect-proof nets cover the top vents and the side vents, and the insect-proof nets rotate through the electric film rolling device; the outside of the ventilation opening is covered with a heat preservation quilt, the heat preservation quilts of the ventilation opening at the north side and the ventilation opening at the top are 2.5 kilograms per square meter, and the heat preservation quilts of the ventilation opening at the south side are 4 kilograms per square meter; the width of the top vent is 1m, and the width of the side vents on two sides of the greenhouse is 1.2 m.

Preferably, the greenhouse is internally provided with a passageway, the passageway is arranged on the north side of the greenhouse, and the width of the passageway is 0.6 m.

Preferably, the water-dispersing ditches are arranged on the north and south sides of the greenhouse.

Preferably, the span of the south greenhouse is 10-14 m, the span 23 of the north greenhouse is 8-10 m, and the span of the whole greenhouse is 18-24 m. .

Preferably, the height of the south truss is 6-6.5 m, and the height of the north truss is 7-7.5 m; the truss is made of 50 square steels, and the height difference between the south truss and the north truss is 1 m.

The utility model discloses a double-chord arch center structure connects the arch center structure with drag link, truss, two roof beam clamps and bar basis and indoor stand alone, and the basis buries deeply and all increases structural stability below frozen soil layer, adopts high structure such as asymmetric non-, increases the big-arch shelter light inlet amount, forms the vent, is favorable to the stability of whole big-arch shelter environment. Therefore compare with current sunlight greenhouse and traditional vinyl house, the utility model has the advantages of it is following:

1. the utility model discloses a large-span structure increases planting area in the greenhouse, can realize mechanized operation, does not have the back wall structure simultaneously, does not have to hide on a large scale, has reduced the greenhouse interval, improves land utilization, reduces construction cost.

2. The utility model discloses an asymmetric structure has the increase light inlet quantity of utilization, improves the whole heat accumulation performance of greenhouse: the top ventilation opening is formed by adopting a non-equal-height structure, so that indoor air flow is facilitated, the heat preservation quilt is covered on the top, the color steel foam plate is covered on the east-west gable wall, the heat preservation performance is good, heat in the greenhouse can be effectively sealed, the overall heat storage and heat preservation performance of the greenhouse is improved, and annual production can be realized to a certain extent.

3. The utility model discloses scientific and reasonable's definite high big-arch shelter's such as asymmetric non-construction parameter of large-span, indoor illumination condition is good, long service life, and low in cost can guarantee the annual production of vegetables.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention.

The reference numbers are as follows:

1. an independent column foundation; 2. a peripheral strip foundation; 3. embedding parts; 4. a water-dispersing ditch; 5. a ground anchor; 6. a film clamping groove; 7. an electric film winder; 8. an arch upper chord pipe; 9. an arch center lower chord pipe; 10. a double-beam clamp; 11. a tie rod; 12. a single-column; 13. a south truss; 14. a north truss; 15. a heat preservation quilt; 16. an aisle; 17. a plastic film; 18. a side vent; 19. a top vent; 20. the height of the south truss; 21. a north truss height; 22. the span of the greenhouse in the south; 23. the span of the greenhouse in the north; 24. color steel foam boards; 25. an insect-proof net.

Detailed Description

Referring to fig. 1 and 2, the structure of the embodiment of the present invention includes a south greenhouse and a north greenhouse, a plurality of arches sequentially arranged along the east-west direction of the south greenhouse and the north greenhouse, tie rods 11 connected between the arches, a south truss 13, a north truss 14, independent columns 12, and a plastic film 17, a heat preservation quilt 15 and a color steel foam board 23 which integrally cover the large-span asymmetric non-equal-height greenhouse; the greenhouse north-south arch frames are arranged into an asymmetric unequal-height structure, the south greenhouse span 22 is larger than the north greenhouse span 23, the south greenhouse span 22 is 10-14 m, and the north greenhouse span 23 is 8-10 m, so that an asymmetric structure is formed, the asymmetric structure increases a lighting surface, illumination can enter indoors, the large-span structure also increases the buffer capacity of the greenhouse on outdoor environment, and mechanical operation can be realized; meanwhile, according to the phenomenon that the illumination of the north side of the greenhouse is weakest, the passageway 16 of the greenhouse is arranged on the north side of the greenhouse, and the width of the passageway 16 is 0.6 m. The greenhouse in the south part adopts a low south truss 13 to connect the arch centering, the greenhouse in the north part adopts a high north truss 14 to connect the arch centering, the height 20 of the south truss is 6-6.5 m, the height 21 of the north truss is 7-7.5 m, the height difference between the south truss 13 and the north truss 14 is 1m, the south truss 13 and the north truss 14 are staggered to form a non-equal-height structure, and the trusses adopt 50 square steels; the height difference between the south truss 13 and the north truss 14 forms a top vent 19 to replace the traditional top vent, which is beneficial to fast heat dissipation under the high temperature condition, and simultaneously solves the problem that the traditional top vent is easy to form water bags, and simultaneously the top vent and the side vents 18 at two sides of the greenhouse form good air circulation, which is beneficial to the indoor environment stability and fast heat dissipation, and reduces crop diseases; the arch comprises an arch upper chord pipe 8 and an arch lower chord pipe 9, the distance between the upper chord and the lower chord is 15-30 cm, the arch upper chord pipe 8 is made of DN40 hot-dip galvanized steel pipe, the arch lower chord pipe 9 is made of DN32 hot-dip galvanized steel pipe, the arch upper chord pipe 8 and the arch lower chord pipe 9 are connected by a double-beam clamp 10, the traditional flower pulling structure is replaced, and the labor cost is reduced; the distance between the arch frames is 1 to 1.2 m; the arches are connected by DN20 tie rods 11, the whole greenhouse has 13 tie rods to increase the stability of the whole arch and improve the load-resisting capacity; the trusses supporting the whole arch truss are respectively a south truss 13 and a north truss 14 to form a top ventilation opening 19; the whole arch frame and truss structure is welded on the embedded parts 3 of the strip foundations 2 and the embedded parts of the independent column foundations 1, the independent columns 12 are welded on the embedded parts of the independent column foundations 1, the embedded parts 3 are made of steel plates with the thickness of 10mm, and the strip foundations 2 and the independent column foundations 1 around need to be dug deep below a frozen soil layer, so that the whole greenhouse steel structure has good structural stability; the greenhouse covering material comprises a plastic film 17 and a heat preservation quilt 15, and is fixed on the greenhouse body by a film clamping groove 6, and the east-west gable wall of the greenhouse is covered with a color steel foam plate 23; the top and the north and south sides of the greenhouse south truss 13 and the greenhouse north truss 14 are respectively provided with a ground anchor 5, a plastic film 17 is fixed by a film pressing line, and the plastic film 17 adopts more than 10-wire three-proofing film; the water-dispersing ditches 4 are built on the north and south sides of the greenhouse, which is beneficial to draining water and reduces the harm of rainfall to the greenhouse body. The top ventilation opening 19 and the side ventilation opening 18 are covered with a heat preservation quilt 15 at the outer part, the inner part is covered with an insect-proof net 25, the insect-proof net 25 rotates through the electric film rolling device 7, the width of the top ventilation opening 19 is 1m, the width of the side ventilation opening 18 is 1.2m, the heat preservation quilt 15 is 2.5 kilograms per square meter for the north ventilation opening and the top ventilation opening 19, and the heat preservation quilt 15 is 4 kilograms per square meter for the south ventilation opening. The two sides of the greenhouse are provided with water-spreading ditches 4, the width of each water-spreading ditch 4 is 0.5m, the height of the highest part is 0.15m, the height of the lowest part is 0.12, and the angle is 4 degrees.

The above is only the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and the scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. The utility model provides a big-arch shelter such as asymmetric non-height of large-span which characterized in that: the big-arch shelter includes south big-arch shelter, north big-arch shelter and independent post, the span of south big-arch shelter is greater than the span of north big-arch shelter, forms asymmetric structure, south big-arch shelter and north big-arch shelter are supported through a plurality of bow member that set gradually along the east-west, the independent post supports on the bow member between south big-arch shelter and north big-arch shelter, south big-arch shelter adopts south truss connection bow member, north big-arch shelter adopts north truss connection bow member, and south truss height is less than the north truss, and south truss, north truss stagger and form the high structure such as non of north-south low north height, the difference in height part between south truss, the north truss forms the top vent.

2. The large-span asymmetric non-equal-height greenhouse of claim 1, characterized in that: the arch center comprises an arch center upper chord pipe and an arch center lower chord pipe, the arch center upper chord pipe and the arch center lower chord pipe are connected through a double-beam card, and the arch centers are connected through a transverse pull rod.

3. The large-span asymmetric non-equal-height greenhouse of claim 2, characterized in that: the greenhouse is provided with strip basis all around, is provided with independent column basis between south big-arch shelter and the north big-arch shelter, the bow member welds on the built-in fitting on strip basis all around, high, low truss and independent column weld on the built-in fitting on independent column basis.

4. The large-span asymmetric non-equal-height greenhouse of claim 3, characterized in that: the greenhouse is characterized in that a plastic film, a heat preservation quilt and a color steel foam board are covered on the outer side of the greenhouse and are fixed on a greenhouse body through film clamping grooves, ground anchors are arranged on the top of the south truss and the top of the north truss and on the north and south sides of the greenhouse, and the plastic film is fixed through a film pressing line.

5. The large-span asymmetric non-equal-height greenhouse of claim 4, wherein: the big-arch shelter both sides are provided with the side vent, all cover in top vent and the side vent and have the fly net, the fly net passes through electronic film rolling ware and rotates.

6. The large-span asymmetric non-equal-height greenhouse of claim 5, wherein: the greenhouse is characterized in that a passageway is arranged in the greenhouse, and the passageway is arranged on the north side of the greenhouse.

7. The large-span asymmetric non-equal-height greenhouse of claim 6, wherein: and water-dispersing ditches are arranged on the north and south sides of the greenhouse.

8. The large-span asymmetric non-equal-height greenhouse of any one of claims 1 to 7, wherein: the span of the greenhouse in the south is 10-14 m, and the span of the greenhouse in the north is 8-10 m.

9. The large-span asymmetric non-equal-height greenhouse of claim 8, wherein: the height of the south truss is 6-6.5 m, and the height of the north truss is 7-7.5 m.