CN210491890U

CN210491890U - M-shaped arched framework of warm-in-winter greenhouse

Info

Publication number: CN210491890U
Application number: CN201921378765.3U
Authority: CN
Inventors: 李国强; 王富增
Original assignee: Shandong Qidi Agricultural Technology Co ltd
Current assignee: Shandong Qidi Agricultural Technology Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-12
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a winter-heating type M-shaped arched framework of a greenhouse, which comprises a film pressing groove truss and a fixed clamping groove, wherein the film pressing groove truss comprises a film pressing groove with a trapezoidal cross section, a film is fixed in the film pressing groove, the lower bottom of the film pressing groove is a plane, the upper bottom of the film pressing groove is provided with an opening, the opening part of the film pressing groove is symmetrically bent towards two sides to form a side surface parallel to the lower bottom, the end part of the side surface is bent downwards to form a supporting surface vertical to the lower bottom, the end part of the supporting surface is symmetrically bent inwards to form a reinforcing surface, the reinforcing surface is parallel to the lower bottom, and the end part of; fixing slot's cross-section is the U type, and the intermediate position has the screw hole, and fixing slot's two sides and two are connected the face and are cooperated, prevent the upset, and construction convenience, repeatedly usable through pressing the membrane groove tectorial membrane, and the construction is simple, only needs from greenhouse one side, adjacent cross compress tightly the film can, make things convenient for film maintenance and change.

Description

M-shaped arched framework of warm-in-winter greenhouse

Technical Field

The utility model relates to the technical field of machinery, particularly, relate to a warm in winter formula warmhouse booth M type arch skeleton.

Background

The vegetable greenhouse mainly comprises an arched bracket, a pull rod, a pressing rod, an upright post and a plastic film, and is a light-transmitting greenhouse which is covered by the arched bracket, the arched greenhouse has large floor area, is convenient to construct, long in service cycle and low in cost, and becomes one of the most extensive tools for planting in rural facilities in the society at present.

The existing greenhouse is of a single-layer film structure, the film is fixed on an upper support through a film pressing rope, and the defects are as follows:

(1) the structure is complicated, the material is wasted, the cost is increased: in the existing winter-heating greenhouse, the arched supports only play roles in supporting a film and fixing a structure, and the film is fixed by means of other materials such as film pressing ropes, steel wires and the like.

(2) The construction difficulty is big, and the construction cycle is long: most of the trusses are in 'garland' type, structural nodes are welded, single-side stress design is adopted, three points are needed to hoist and mount during installation, welding and fixing are needed, the highest height of the greenhouse is 6-8 meters away from the ground, and construction difficulty and construction time are increased.

(3) Short service life and great environmental pollution: the traditional structure is galvanized steel pipe, which is easy to rust, the service life is short, only 10-15 years, and the galvanized product has great pollution to the environment.

(4) The film is difficult to fix: the film is fixed by the film pressing ropes, the stress areas of the film pressing ropes and the arched frameworks are not in the same straight line position, and the film area is too large, so that the film with a single shed is used for 2000 square meters in 1000-inch square meters, the film is difficult to fix and is not firm, the film is easy to damage, and the service life is influenced.

(5) The potential safety hazard is many: the film is fixed through the film pressing rope, and due to the fact that the film pressing rope stretches, the film can be scraped to a large extent in the weather with strong wind, even the film is scraped to be broken, and even more, the greenhouse body deforms and collapses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a warm in winter formula warmhouse booth M type arch skeleton to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a kind of warm-in-winter type greenhouse M type arch skeleton, characterized by, including pressing the membrane slot truss and fixed neck, press the membrane slot truss including the cross section for the similar trapezoidal press membrane slot, the film is fixed in pressing the membrane slot, press the lower bottom of the membrane slot to be the level, the upper bottom has openings, its opening part is bent symmetrically to both sides and formed the side parallel to lower bottom, the end of the side is bent downward to become the supporting surface perpendicular to lower bottom, the end of the supporting surface is bent inward symmetrically to become the reinforcing surface, the reinforcing surface is parallel to lower bottom, the end of the reinforcing surface is bent inward to become the joint plane;

the cross-section of fixing slot is the U type, and the intermediate position has the screw hole, and two sides and two of fixing slot are connected the face and are cooperated.

Further, overlap joint position bottom between film pressing groove truss and the film pressing groove truss sets up U type connecting piece, utilizes the bolt to fix adjacent film pressing groove truss with the cooperation of U type connecting piece with fixed slot.

Further, still including crossbeam and the stand that is used for supporting the press mold groove truss, the cross-section of crossbeam is the U type, and the side passes the screw hole through the bolt and fixes the press mold groove truss on the crossbeam with the fixed slot cooperation on the side of going up of crossbeam, and the downside of crossbeam passes through the bolt fastening on the stand.

Further, the lower end of the film pressing groove truss is provided with two layers of steel hinge line clamping plates, a steel hinge line is arranged between the two layers of steel hinge line clamping plates, and the two layers of steel hinge line clamping plates penetrate through threaded holes through bolts and are matched with the fixing clamping grooves to fix the film pressing groove truss on the steel hinge line.

Further, still include two-layer curved crossbeam, have the bracing between the two-layer crossbeam, be fixed with a plurality of press mold groove trusses on the crossbeam of upper strata, the press mold groove opening of press mold groove truss on the crossbeam of upper strata makes progress, is fixed with a plurality of press mold groove trusses on the crossbeam of lower floor, and the press mold groove opening of press mold groove truss on the crossbeam of lower floor is down.

The utility model adopts the above technical scheme, compare with prior art, have following advantage:

(1) the material quality is good: 2.0mmBFS600 high-strength stainless steel, no rust and high strength.

(2) The processing and installation are simple: directly processing into straight or arched shape with special roller press, wherein the straight span is usually between 8m and 12 m; the span of the arch without upright is between 8 and 12 meters, and the span of the arch with upright is between 20 and 30 meters.

(3) The installation is simple: the single body has light weight, is assembled on site, and does not need hoisting equipment. The design firstly proposes greenhouse assembly construction, uses stainless steel bolts for connection, and does not need welding; the film pressing groove is formed in the upper portion of the film pressing groove truss, the bottom of the film pressing groove truss is fixed with the cross beam or the steel strand clamping plate, overturning is prevented, the anti-overturning framework is fixed through the initiative bolts, construction is convenient, and the film pressing groove truss can be used repeatedly.

(4) High strength and large load: the constant load is 0.5KN per square meter, the hanging load is 0.2KN per square meter, the active load is 0.5KN per square meter, and the wind and snow load is 0.5KN per square meter.

(5) The environmental pollution is small: stainless steel materials are used, and the stainless steel is not rusted and is more environment-friendly.

(6) The maintenance cost is low: through the film pressing groove tectorial membrane, the construction is simple, only need from greenhouse one side, adjacent cross the compact film can, make things convenient for film maintenance and change.

(7) The damage of the film is small: through the film pressing of the film pressing groove, the film is fixed firmly, the film is prevented from being scraped in strong wind weather, and the damage to the film is reduced.

(8) The space layout is excellent: the standard design is 28m (width) 168m (length), the single greenhouse internal area is 4707 square meters (7.06 mu, 5 times of common winter-warm type greenhouse), the mechanized operation is convenient, and the method is the best scheme of factory agriculture.

(9) The lighting effect is good: the BFS600 high-strength stainless steel frame vegetable greenhouse large-span structure is wide in planting area and good in lighting effect.

(10) The safety performance is high: the truss surface film pressing notch is smooth, does not damage the greenhouse film, is provided with the film pressing groove, and the lower layer fixing clamping groove improves the heat preservation performance, does not need the heat preservation cotton-wadded quilt, and is windproof, rainproof and snowproof.

(11) The amortization cost is low: the BFS600 high-strength stainless steel frame vegetable greenhouse has the advantages of good stability, strong corrosion resistance, no node corrosion phenomenon, service life of more than 30 years, low amortization cost in the operation period, high benefit and quality superior to that of a galvanized steel frame under the same bearing capacity.

(12) The application effect is good: the C919 series greenhouse lighting and backlight surfaces adopting BFS600 high-strength stainless steel frames are designed into an arc shape, the angle of a light transmitting surface is improved, dust is not accumulated, the light transmittance is good, the temperature in the greenhouse is high, the average temperature in the greenhouse is 3-5 ℃ higher than that of a traditional steel frame greenhouse through measurement, the heat insulation performance of the greenhouse adopting a double-layer film structure is improved by more than 3 times, the yield is improved by 15-30%, and the harvesting period is advanced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a film pressing groove truss in the embodiment of the present invention;

fig. 2 is a schematic structural view of a film pressing groove truss and a fixed clamping groove in the embodiment of the present invention;

FIG. 3 is a schematic structural view of the embodiment of the present invention showing the connection of the truss of the squeeze film tank with the cross beam and the upright post;

FIG. 4 is a side view of FIG. 3;

fig. 5 is a schematic structural view of the embodiment of the present invention in which the pressed film groove truss is connected with the steel strand;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a schematic structural diagram of a double-layer film mounting manner in an embodiment of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a film pressing groove truss; 2. a film pressing groove; 3. a lower bottom; 4. a side surface; 5. a support surface; 6. a reinforcing surface; 7. a connecting surface; 8. fixing the clamping groove; 9. a cross beam; 10. a column; 11. a steel strand clamping plate; 12. steel strand wires; 13-diagonal bracing; 14-threaded hole, 15-U type connecting piece.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

an embodiment, as shown in fig. 1, an M-shaped arched framework of a warm-in-winter greenhouse comprises a film-pressing groove truss 1 and a fixed clamping groove 8, wherein the film-pressing groove truss 1 comprises a film-pressing groove 2 with a trapezoidal cross section, a film is fixed in the film-pressing groove 2, a lower bottom 3 of the film-pressing groove 2 is a plane, an upper bottom is provided with an opening, the opening is symmetrically bent towards two sides to form a side surface 4 parallel to the lower bottom 3, the end of the side surface 4 is bent downwards to form a supporting surface 5 perpendicular to the lower bottom 3, the end of the supporting surface 5 is symmetrically bent inwards to form a reinforcing surface 6, the reinforcing surface 6 is parallel to the lower bottom 3, the end of the reinforcing surface 6 is bent inwards to form a connecting surface 7, the bent part of the film-pressing groove truss 1 is in an arc-shaped smooth transition to reduce damage to the film, and the material is BFS600 high. Typically according to the following span: straight spans are typically between 8 meters and 12 meters; the span of the arch without upright posts is between 8 and 12 meters, and the span of the arch with upright posts is between 20 and 30 meters.

Fixing slot 8's cross-section is the U type, and the intermediate position has screw hole 14, and fixing slot 8's two sides are connected 7 cooperations with two so that make press mold groove truss 1 fixed with crossbeam or steel strand wires splint, prevent the upset, and fixing slot 8's length is 5cm generally, and the installation of being convenient for also can be for other length.

As shown in fig. 2, the film pressing groove truss 1 and the film pressing groove truss 1 are connected, a U-shaped connecting member 15 is arranged at the bottom of the lap joint position of the film pressing groove truss 1 and the film pressing groove truss 1, and the fixing clamping groove 8 and the U-shaped connecting member 15 are matched with each other to fix the adjacent film pressing groove truss 1 by using bolts.

As shown in fig. 3 and 4, the film pressing groove truss structure further comprises a cross beam 9 and an upright post 10 for supporting the film pressing groove truss 1 through connection of the cross beam and the upright post, the cross section of the cross beam 9 is U-shaped, the upper side surface of the cross beam 9 penetrates through a threaded hole 14 through a bolt to be matched with a fixing clamping groove 8 so as to fix the film pressing groove truss 1 on the cross beam 9, and the lower side surface of the cross beam 9 is fixed on the upright post 10 through a bolt.

As shown in fig. 5 and 6, the lower end of the pressed film groove truss 1 is provided with two layers of steel strand clamping plates 11 through steel strand connection, a steel strand 12 is arranged between the two layers of steel strand clamping plates 11, and the two layers of steel strand clamping plates 11 penetrate through threaded holes 14 through bolts and are matched with the fixing clamping grooves 8 to fix the pressed film groove truss 1 on the steel strand 12.

Adopt the vegetable greenhouse big-arch shelter of above mode installation film:

adopt the fixed skeleton that prevents overturning of bolt, can prevent the upset, and construction convenience, and repeatedly usable.

Through the film pressing groove tectorial membrane, the film is fixed firm, avoids strong wind weather to the scraping of film, reduces the film damage and the construction is simple, only need from greenhouse one side, adjacent cross the compact film can, make things convenient for film maintenance and change. The performance is tested as follows: the method comprises the steps of constant load of 0.5KN per square meter, hanging load of 0.2KN per square meter, active load of 0.5KN per square meter, wind pressure of 0.6KN per square meter and snow load of 0.5KN per square meter.

As shown in fig. 7, the double-layer film installation mode includes two layers of arc-shaped beams 9, an inclined strut 13 is arranged between the two layers of beams 9, a plurality of film pressing groove trusses 1 are fixed on the upper layer of

beams

9, 2 openings of the film pressing grooves of the film pressing groove trusses 1 on the upper layer of beams 9 are upward, a plurality of film pressing groove trusses 1 are fixed on the lower layer of

beams

9, and 2 openings of the film pressing grooves of the film pressing groove trusses 1 on the lower layer of beams 9 are downward.

The daylighting and backlight surfaces of the greenhouse are designed into arcs, the angle of the light transmission surface can be improved, dust is not accumulated, the light transmittance is good, the temperature in the greenhouse is high, the average temperature in the greenhouse is 3-5 ℃ higher than that of the traditional steel frame greenhouse through determination, the heat insulation performance of the double-layer film structure is improved by more than 3 times, the yield is improved by 15-30%, and the harvesting period is advanced.

Can be used for:

1. spring and autumn greenhouse: 2, sunlight greenhouse: 3, heat preservation and ridge connection greenhouse: other applications: can be used as main materials for the construction of livestock and poultry breeding, large-span fish farming sheds, high-heat-preservation mobile houses, garages, warehouses, farmhouses and the like.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. A kind of warm-in-winter type greenhouse M type arch skeleton, characterized by, including pressing the membrane slot truss (1) and fixed neck (8), press the membrane slot truss (1) including the cross-section to be the trapezoidal pressed membrane slot (2), the film is fixed in pressing the membrane slot (2), press the bottom (3) of the membrane slot (2) to be the level, the upper base has openings, its opening part is to the bilateral symmetry bending type lateral surface (4) parallel to bottom (3), the end of the lateral surface (4) is bent downward to the supporting surface (5) perpendicular to bottom (3), the end of the supporting surface (5) is bent inward into the enhancement surface (6) symmetrically, the enhancement surface (6) is parallel to bottom (3), the end of the enhancement surface (6) is bent inward into connecting surface (7);

the cross section of the fixing clamping groove (8) is U-shaped, a threaded hole (14) is formed in the middle of the fixing clamping groove, and two side faces of the fixing clamping groove (8) are matched with the two connecting faces (7).

2. The M-shaped arched framework of the winter-warm greenhouse of claim 1, wherein:

the U-shaped connecting piece (15) is arranged at the bottom of the lap joint position between the film pressing groove truss (1) and the film pressing groove truss (1), and the fixing clamping groove (8) and the U-shaped connecting piece (15) are matched and used for fixing the adjacent film pressing groove truss (1).

3. The M-shaped arched framework of the winter-warm greenhouse of claim 1, wherein:

the film pressing groove truss structure is characterized by further comprising a cross beam (9) and an upright post (10) which are used for supporting the film pressing groove truss (1), the cross section of the cross beam (9) is U-shaped, the upper side face of the cross beam (9) penetrates through a threaded hole (14) through a bolt and is matched with a fixing clamping groove (8) to fix the film pressing groove truss (1) on the cross beam (9), and the lower side face of the cross beam (9) is fixed on the upright post (10) through a bolt.

4. The M-shaped arched framework of the winter-warm greenhouse of claim 1, wherein:

the lower end of the film pressing groove truss (1) is provided with two layers of steel hinge wire clamping plates (11), a steel hinge wire (12) is arranged between the two layers of steel hinge wire clamping plates (11), and the two layers of steel hinge wire clamping plates (11) penetrate through threaded holes (14) through bolts and are matched with the fixing clamping grooves (8) to fix the film pressing groove truss (1) on the steel hinge wire (12).

5. The M-shaped arched framework of the winter-warm greenhouse of claim 1, wherein:

still include two-layer curved crossbeam (9), bracing (13) have between two-layer crossbeam (9), be fixed with a plurality of press mold groove trusses (1) on upper crossbeam (9), press mold groove (2) opening of press mold groove truss (1) on upper crossbeam (9) makes progress, is fixed with a plurality of press mold groove trusses (1) on lower crossbeam (9), press mold groove (2) opening of press mold groove truss (1) on lower crossbeam (9) is downward.