CN215957401U

CN215957401U - Sawtooth type multi-span greenhouse for hills

Info

Publication number: CN215957401U
Application number: CN202122480076.7U
Authority: CN
Inventors: 吴永斌
Original assignee: Taizhou Yujia Greenhouse Co ltd
Current assignee: Taizhou Yujia Greenhouse Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-08
Anticipated expiration: 2031-10-14

Abstract

The utility model provides a sawtooth type multi-span greenhouse for hills, and belongs to the technical field of greenhouses. Including a plurality of ladder sheds that link to each other, a plurality of ladder sheds are echelonment and rise or the distribution that descends by step, every ladder canopy includes a plurality of left pole settings side by side, right pole setting and girder, left side pole setting is located different level with the right pole setting, the same a set of left pole setting or right pole setting of adjacent ladder canopy sharing, left side pole setting is connected with the arch bar with the top of right pole setting, the arch bar includes minor face arch bar and long limit arch bar, the top of minor face arch bar is fixed in on the girder with the top of long limit arch bar, horizontally connect has the horizontal pole between left side pole setting and the right pole setting, be provided with between horizontal pole and minor face arch bar and the long limit arch bar and be used for fixed establishment, every left pole setting top of group or right pole setting top in the adjacent ladder canopy form water drainage tank, the top of every ladder canopy all covers and is equipped with the plastic film. The utility model has the advantages of good adaptability to hilly terrain, simple structure, low cost and the like.

Description

Sawtooth type multi-span greenhouse for hills

Technical Field

The utility model belongs to the technical field of greenhouses, and particularly relates to a sawtooth type multi-span greenhouse for hills.

Background

At present, from the aspect of terrain classification, the Chinese hills and mountainous areas respectively account for 33.33 percent and 9.90 percent of the territorial area, and the hills and mountainous areas account for 42.23 percent of the nationwide territorial area and are close to half of the territorial area. The land utilization rate and the benefit are relatively low due to the limitation of factors such as poor terrain conditions, difficult matching of irrigation facilities, lack of suitable agricultural machinery and the like.

The land in Zhejiang province is mainly hilly and mountain land and occupies about 70.4% of the total land area. For a specific hilly and mountain area, the local shape is composed of three types, namely plain, hilly and mountain. The river valley plain comprises mountainous basins and valley lands, has flat terrain, rich water sources and large population, is suitable for grain production, and is a base for grain production in hilly and mountainous areas. Hills include hills, hills and some hills of low mountain, lie in the periphery of valley plain, are the transition zone of plain and mountain region, and generally the slope is not big, and the light and heat condition is superior, and the suitability is wide, and pure agricultural grain production intensity of labour is big, and degree of mechanization is low, and economic benefits is poor, is the difficult point and the key of the work of advocating the affluence jointly of present government.

The sunlight greenhouse can be built in hilly and mountainous areas to realize intensive production, the disaster prevention and reduction capability is improved, and the income of farmers is increased. The traditional flat land multi-span greenhouse is also installed in mountainous areas and hilly slopes, but due to reasons of insufficient production experience and the like, after actual installation and construction, the surface with the back and the sun is nearly horizontal to the ground, and accumulated water is easily formed and sags and is not easily discharged due to the tension of a membrane structure; the film is aged and rotten, and the loss of farmers is increased; for example, patent CN201188792Y is to simplify the wall body in the above teaching material, and make it similar to a single brick wall or a cement wall; however, it is not practical to build walls with reinforced concrete in mountainous areas in south, and the labor intensity and transportation cost are too high.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a sawtooth type multi-span greenhouse for hills, which can be effectively suitable for efficient planting of fruits and vegetables in hilly lands and is low in installation cost.

The purpose of the utility model is realized as follows:

a sawtooth type multi-span greenhouse used for hills comprises a plurality of connected ladder sheds, the horizontal height of each ladder shed is different, the ladder sheds are in ladder-shaped ascending or descending distribution, each ladder shed comprises a plurality of side-by-side left vertical rods, right vertical rods and main beams arranged in the front-back direction, the left vertical rods and the right vertical rods are located at different horizontal heights, the adjacent ladder sheds share the same group of left vertical rods or right vertical rods, the top ends of the left vertical rods and the right vertical rods are connected with arch bars, each arch bar comprises a short-edge arch bar connected with the upper end of the left vertical rod and a long-edge arch bar connected with the upper end of the right vertical rod, the top ends of the short-edge arch bars and the top ends of the long-edge arch bars are fixed on the main beams, a transverse rod is horizontally connected between the left vertical rods and the right vertical rods, a fixing mechanism is arranged between the transverse rod and the short-edge arch bar, and a drainage groove is formed at the top end of each group of the left top end or the right vertical rod in the adjacent ladder sheds, the top of each ladder shed is covered with a plastic film.

The utility model is further arranged in that the fixing mechanism comprises a supporting vertical rod vertically arranged between the main beam and the cross rod, and the bottom of the supporting vertical rod is provided with a left diagonal brace and a right diagonal brace which are respectively connected with the middle parts of the short-edge arch rod and the long-edge arch rod.

The utility model is further arranged in such a way that a plurality of water seepage holes are arranged on all the drainage grooves except the lowest drainage groove, one side of the lowest drainage groove is connected with a water pipe which is longitudinally arranged, the bottom of the water pipe is connected with the input end of a circulating pump, and the output end of the circulating pump is connected with the highest ladder shed in soil through a water pipe.

The utility model is further arranged in such a way that the short side arch bars and the cross bars form an included angle of 60-70 degrees, and the long side arch bars and the cross bars form an included angle of 31-33 degrees.

The utility model is further arranged that the plastic film comprises a wide film covering one side of the long side arch bar and a narrow film covering one side of the short side arch bar.

The utility model is further provided that the front end or the rear end of the narrow film is provided with a film rolling device.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

1. the short-side arch bars and the long-side arch bars adopted by the utility model form a zigzag ceiling structure, so that the sunlight transmittance corresponding to the long side is better; the wind resistance is improved to a certain extent according to the zigzag design; the drainage grooves are used for irrigation in adjacent ladder sheds, so that the production cost is reduced; the whole structure is simpler, and the installation and construction cost is lower.

2. The fixing mechanism further provided by the utility model utilizes the left oblique arch rod and the right oblique arch rod to support and fix, and utilizes the stability of the triangle to ensure that the top of the ladder shed has good structural strength.

3. The plastic films provided by the utility model are divided into two types, and one end of the short film is provided with the film rolling device for accommodating the short film, so that the ventilation function is provided for the greenhouse.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

reference numerals:

1-a ladder shed; 10-left upright stanchion; 11-right upright stanchion; 12-a main beam; 13-a cross-bar; 14-a drainage channel; 15-water conveying pipe; 16-a circulation pump;

2-arch bar; 20-short side arch bar; 21-long side arch bar;

3-a plastic film; 30-wide film; 31-narrow membrane; 32-a film winder;

4-a fixing mechanism; 40-supporting vertical rods; 41-left diagonal brace rod; 42-right diagonal brace.

Detailed Description

The utility model will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which fig. 1-2:

a sawtooth type multi-span greenhouse used for hills comprises a plurality of ladder sheds 1 which are connected, the horizontal height of each ladder shed 1 is different, the ladder sheds 1 are in ladder-shaped ascending or descending distribution, each ladder shed 1 comprises a plurality of left vertical rods 10, right vertical rods 11 which are arranged side by side and main beams 12 arranged in the front and back directions, the left vertical rods 10 and the right vertical rods 11 are positioned at different horizontal heights, the adjacent ladder sheds 1 share the same group of left vertical rods 10 or right vertical rods 11, the top ends of the left vertical rods 10 and the right vertical rods 11 are connected with arch bars 2, the top of each ladder shed is covered with a plastic film 3, each arch bar 2 comprises a short-edge arch bar 20 connected with the upper end of the left vertical rod 10 and a long-edge arch bar 21 connected with the upper end of the right vertical rod 11, the top end of the short-edge arch bar 20 and the top end of the long-edge arch bar 21 are fixed on the main beams 12, a cross bar 13 is horizontally connected between the left vertical rod 10 and the right vertical rod 11, a fixing mechanism 4 is arranged between the cross bar 13 and the short side arch bar 20 and the long side arch bar 21, and a drainage groove 14 is formed at the top end of each group of left upright bars 10 or right upright bars 11 in the adjacent ladder shed 1.

The multi-span greenhouse gradually descends according to the terrain, because the adjacent ladder sheds 1 share the same group of left upright rods 10 or right upright rods 11, the right upright rod 11 of the upper multi-span shed 1 is the left upright rod 10 of the lower multi-span shed, and the like. So when installing warmhouse booth to the area of a hilly terrain, need install every ladder canopy 1's left and right pole setting fixedly, carrying out the installation of the horizontal pole 13 at top, carrying out the installation of arch bar, the top utilizes the girder to carry out the top shape fixed, through adding again and establishing fixed establishment 4, for left pole setting 10, right pole setting 11 provide good support nature, last every group links a canopy and lays the plastic film and can realize just accomplishing the installation of big-arch shelter under hilly terrain simple installation.

In addition, depending on the level, the crossbar 13 is located at the top of the right upright 11, while the crossbar 13 is located at the top of the left upright 10, which is usually downward, so as to keep the crossbar horizontal.

Preferably, the fixing mechanism 4 includes a supporting upright 40 vertically disposed between the main beam 12 and the cross bar 13, and a left diagonal brace 41 and a right diagonal brace 42 respectively connected to the middle portions of the short-side arch 20 and the long-side arch 21 are disposed at the bottom of the supporting upright 40. In the structure, the left inclined stay bar 41 and the right inclined stay bar 42 are in V-shaped structures, so that the left side and the right side of the supporting upright rod 40 form two stable triangles, the overall stability is improved, and the multi-span greenhouse on the hilly land has good wind resistance.

Preferably, all seted up a plurality of infiltration holes on all water drainage tank 14 except being located the water drainage tank of lowest, the one side that is located the water drainage tank 14 of lowest is connected with vertical raceway 15 that sets up, and the bottom of raceway 15 is connected in circulating pump 16's input, and circulating pump 16's output is connected through the water pipe with the soil that is located the ladder canopy 1 of highest point.

Because the top of linking a canopy is the cockscomb structure, form certain recess between the adjacent ladder canopy 1, the recess is the water drainage tank that forms, water drainage tank from top to bottom, detach the water drainage tank of lowest department, all set up the wash port, a water resource cover for in the big-arch shelter, in the in-service use process, the water consumption of irrigation is being influenced to the size or the number of wash port, and last row's water drainage tank, then store water, then utilize the circulating pump to carry water to the ladder canopy 1 at top, the high-efficient of guarantee water resource utilizes.

Preferably, the short side arch bar 20 and the cross bar 13 form an included angle of 60-70 degrees, and the long side arch bar 21 and the cross bar 13 form an included angle of 31-33 degrees.

Preferably, the plastic film 3 includes a wide film 30 covering one side of the long side arch 21 and a narrow film 31 covering one side of the short side arch 20.

Preferably, the front end or the rear end of the narrow film 31 is provided with a film winder 32.

In consideration of the ventilation effect of the greenhouse, it is preferable that the plastic film 3 is formed as a separate body, one side of the narrow film 31 is small in the windward side, and the film rolling device 32 is provided to store the narrow film 31, thereby achieving a good ventilation effect.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. A sawtooth type multi-span greenhouse for hills comprises a plurality of connected ladder sheds (1), the placement height of each ladder shed (1) is different, the ladder sheds (1) are distributed in a ladder-shaped ascending or descending manner, each ladder shed (1) comprises a plurality of side-by-side left vertical rods (10) and right vertical rods (11) and main beams (12) arranged in the front-back direction, the left vertical rods (10) and the right vertical rods (11) are located at different horizontal heights, adjacent ladder sheds (1) share the same group of left vertical rods (10) or right vertical rods (11), arch bars (2) are connected to the top ends of the left vertical rods (10) and the right vertical rods (11), a plastic film (3) is covered on the top of each ladder shed, each arch bar (2) comprises a short-edge arch bar (20) connected with the upper end of the left vertical rod (10) and a long-edge arch bar (21) connected with the upper end of the right vertical rod (11), the top of minor face arch bar (20) is fixed in with the top of long limit arch bar (21) on girder (12), horizontally connect has horizontal pole (13) between left side pole setting (10) and right side pole setting (11), horizontal pole (13) with be provided with fixed establishment (4) between minor face arch bar (20) and long limit arch bar (21), every left side pole setting (10) top of group or right side pole setting (11) top in adjacent ladder canopy (1) form water drainage tank (14).

2. A zigzag multi-span greenhouse for hills as claimed in claim 1, wherein the fixing mechanism (4) comprises a supporting upright (40) vertically disposed between the main beams (12) and the cross bars (13), and the bottom of the supporting upright (40) is provided with a left diagonal brace (41) and a right diagonal brace (42) respectively connected to the middle portions of the short side arch (20) and the long side arch (21).

3. A zigzag multi-span greenhouse for hills according to claim 1, characterized in that all the drainage channels (14) except the lowest drainage channel are opened with a plurality of weep holes, one side of the lowest drainage channel (14) is connected with a water pipe (15) which is longitudinally arranged, the bottom of the water pipe (15) is connected with the input end of a circulating pump (16), and the output end of the circulating pump (16) is connected with the soil in the highest ladder-shaped shed (1) through a water pipe.

4. A saw-toothed multi-span greenhouse for hills as claimed in claim 1 or 2, wherein the short side arch bars (20) form an angle of 60-70 ° with the cross bars (13), and the long side arch bars (21) form an angle of 31-33 ° with the cross bars (13).

5. A saw-toothed multi-span greenhouse for hills as claimed in claim 1, wherein the plastic film (3) comprises a wide film (30) covering one side of the long side arch (21) and a narrow film (31) covering one side of the short side arch (20).

6. A saw-toothed multi-span greenhouse for hills as claimed in claim 5, wherein the narrow film (31) is provided with a film winder (32) at the front or rear end thereof.