TW202044983A - Greenhouse support stand - Google Patents

Abstract

Present invention is related to a greenhouse support stand having a top area, two side walls and two entrances. The greenhouse support stand is produced by recycled plastic composite comprising PET, nylon and fiber reinforced nylon. Materials of the recycle plastic composite were retrieved from plastic waste like abandoned fishing net. By using plastic compounding and profile extrusion techniques, the greenhouse support stand of the present invention can be produced in low cost but still remain high mechanical property and durability. The present invention could reduce more than half cost for producing the greenhouse compared to the conventional zinc coated steel tube.

Description

Greenhouse scaffolding

A scaffold, especially an environmentally friendly greenhouse scaffold.

In recent years, the climate has changed drastically, and the disasters caused by strong winds and heavy rains have made my country's agriculture bear the brunt, especially for the high unit prices of flowers and vegetables, which need to be upgraded through facilities to improve disaster resistance during planting. In recent years, my country’s Council of Agriculture has actively promoted the construction of Wimbledon rooms for high economic value crops by farmers to combat diseases, insect pests and natural disasters. However, the cost of Wimbledon rooms for general galvanized steel pipes is expensive and difficult for farmers to afford.

In view of this, there is an urgent need for an alternative to the Wimbledon room, which is not only low-cost and meets the strength and tolerance requirements, but also can avoid environmental pollution to solve the aforementioned problems.

In order to solve the problem that the Wimbledon room of the existing galvanized steel pipe is expensive and difficult to be popularized by farmers, the present invention provides an environmentally friendly greenhouse scaffold, which is constructed by a combination of a plurality of recycled composite materials and includes: a top, which It includes a spine main pipe arranged parallel to the ground, and a number of mutually parallel roof truss pipes are connected and fixed to two corresponding sides in the radial direction of the spine main pipe. The roof truss pipe and the spine main pipe present a downward angle Or a radian; two correspondingly arranged side wall parts, which are fixedly connected to the top part and are arranged perpendicular to the ground, which include a straight pipe of a side beam parallel to the main pipe of the spine, and a pipe body that is straight pipe from the side beam A number of column pipes are fixedly arranged perpendicular to the ground in the radial direction, and the column pipes are aligned with the roof truss pipe on the top and partially inserted into the ground; two corresponding to the front and rear access parts, the front and rear access parts are fixedly connected to the top and Vertically to the ground, and horizontally to the ground are provided with a first cross frame and a second cross frame extending from the truss straight pipe and the side beam straight pipe, and a number of straight beams are provided perpendicular to the ground. Between the straight beams is provided a third horizontal frame that is level with the second horizontal frame, and an entrance is framed between several straight beams; and the recycled composite frame is polyethylene terephthalate derived from recycled plastic Made of acid ester, nylon and fiber-reinforced nylon, the recycled composite bracket is provided with a perforation; the recycled composite brackets are connected and fixed by a fastener or a clip, and the fastener or the clip is For different recycled composite stents connected in the same axial direction, the axial directions of the perforations are not parallel.

Among them, the distance between each of the roof truss pipes is 0.5 meters; the distance between each column pipe is 0.5 meters, and is inserted at least 0.5 meters below the ground; the distance between each of the straight beams is 0.65 meters Feet: The total height of the environmentally friendly greenhouse scaffolding from the ground is 3.4 meters, including the top height of 1.4 meters and the side wall 2 meters.

Wherein, the roof truss pipe is fixedly provided with a truss straight pipe parallel to the spine main pipe; and the column pipe is provided with another truss straight pipe parallel to the side beam straight pipe.

Wherein, all or part of the column tube is bolted to an independent footing made of reinforced concrete, and the independent footing is buried under the ground.

Wherein, a diagonal brace is set up between the front and rear access part and the column pipe at an interval of no more than 20 meters, and is inserted at least 30 cm below the ground at the same time.

Wherein, the environmental protection greenhouse shelf is covered with a plastic layer, and the plastic layer includes polyethylene, polyvinyl chloride or polyethylene vinyl acetate.

Among them, the recycled composite stent is a pipe or column; the tensile strength of the recycled composite stent is 709.6±4.6 kgf/cm ² (ASTM D638), the elongation rate is 5.25±0.14% (ASTM D638), and the bending strength is 1,172±16.4 kgf/cm ² (ASTM D790) and heat distortion temperature of 144 ˚C; and the high-strength fasteners or clamps include screws, nuts, clamps or taps made of steel or its alloys.

Wherein, the thickness of the column is 50mm; and the outer diameter of the pipe is 50mm and the thickness is 10mm.

Wherein, the surface of the recycled composite bracket includes a weather-resistant layer, and the material of the weather-resistant layer is acrylic or polyurethane paint.

Wherein, the weather resistant layer contains an inorganic or organic material.

According to the above description, the present invention has the following advantages:

1. In response to the high recovery rate of plastic waste products in China, the present invention uses plastic waste, especially polyethylene terephthalate (PET), nylon (Nylon) and fiber reinforced nylon (Fiber reinforced nylon) in waste fish nets. Nylon), as an environmentally friendly recycled raw material, uses plastic glue technology to produce recycled composite materials with high rigidity and high weather resistance, and uses recycled composite materials to profile extrusion processing technology to produce low-cost brackets suitable for Wimbledon rooms. According to statistical calculations, the present invention can save nearly half of the cost of the Wimbledon Chamber of the existing galvanized steel pipe.

Through the simulation and design of the greenhouse structure, the present invention confirmed that the simple greenhouse constructed by the recycled composite frame has high rigidity, temperature resistance, US resistance and other outdoor weather resistance characteristics, and conducted field experiments on the simple greenhouse in the smart farm area of the National Pingtung University of Science and Technology , Actual planting of crops and environmental monitoring confirmed that the present invention has good Wimbledon room performance.

Please refer to FIG. 1, which is a schematic diagram of a first preferred embodiment of an environmentally friendly greenhouse scaffolding 10. The environmentally friendly greenhouse scaffolding 10 is constructed by combining a plurality of recycled composite brackets 11, which includes a top 13 and two corresponding settings The side wall portion 15 is connected to the top and two corresponding front and rear access portions 17 are provided. The top 13 covers the side wall portion 15 and the front and rear access portions 17 and is fixedly connected to them.

Please refer to FIG. 2, the top 13 includes a spine main pipe 131 at the top. The spine main pipe 131 is arranged parallel to the ground and in the radial direction of the pipe body. Several roof truss pipes 133 parallel to each other are connected and fixed to two corresponding sides. The pipe body direction of the roof truss pipe 131 and the spine main pipe 131 presents a downward angle, and the distance between each roof truss pipe 133 is preferably 0.5 meters. Furthermore, it is preferable that a sturdy straight pipe 132 parallel to the spine main pipe 131 is fixed in the middle of the roof truss pipes 133 to strengthen the overall structural strength.

Please refer to FIG. 3, the side wall portion 15 starts from the end of the roof truss pipe 133 of the top 13 with a side beam straight pipe 151 parallel to the spine main pipe 131, and then from the side beam straight pipe 151. A number of column tubes 153 are fixed in the radial direction perpendicular to the ground. The column tubes 153 are aligned with the roof truss tube 133 of the top 13 and are preferably 0.5 meters apart from each other, and are preferably partially inserted in the ground At least 0.5 meters, to increase the stability of the invention fixed on the ground, and similarly, the column tube 132 parallel to the side beam straight tube 151 can be provided in the middle of the column tube 153 to strengthen the overall structural strength. Please refer to Figure 6, more preferably, in order to enhance the wind resistance and increase the stability of the present invention, all or part of the column tube 153 can be bolted to an independent footing 155 made of reinforced concrete (as shown in Figure 6), and buried in the ground.

Please refer to FIG. 4, the front and rear access portions 17 (or gables) are arranged at the two extreme ends of the top 13 and the side wall portion 15, and the space part sandwiched by the extreme ends of the top 13 can present Spire or dome type, and horizontally with the ground is provided with a first cross frame 171 and a second cross frame 173 extending from the truss straight pipe 132 and the side beam straight pipe 151, and on the side wall The square or rectangular part sandwiched by the end of the part 15 is perpendicular to the ground with a number of straight beams 175, which can be spaced 0.65 meters apart. Preferably, the straight beam 175 is provided with a horizontal frame with the second horizontal frame 173. A third horizontal frame 177, as shown in FIG. 4, in the middle of a total of 6 straight beams 175, there is a large-spacing frame to exit an entrance 179 for personnel to enter and exit, and the entrance 179 does not necessarily need to be provided for both the front and rear entrances 17 , Can only design a single entrance and exit according to demand. The total width of the front and rear access portions 17 in this embodiment is designed to be 6 meters.

Please refer to FIG. 5, the top 13 can be not only the pointed top type shown in FIG. 1, but also the dome type shown in FIG. 2; the total height of the present invention (not including the middle part of the ground) is preferably 3.4 meters , Including the top 13 height of 1.4 meters and the side wall 15 height of 2 meters.

Further, the environment-friendly greenhouse shelf 10 of the present invention can be provided with a plurality of diagonal braces 19 (as shown in FIG. 1) for supporting each structure according to requirements, for the wind resistance of the present invention, and the diagonal braces 19 It is preferable to press against the front and rear access portion 17 (gable) and the column tube 153 and insert at least 30 cm into the ground at the same time, so that the force of the diagonal brace 19 can be smoothly transmitted to the ground to bear. The length of the diagonal brace 19 projected on the ground is preferably 5 meters, and the front and rear access portion 17 (gable) and the column tube 153 are tightly joined and fixed with a clamp, and the length of the side wall portion 15 of the present invention is not If the interval exceeds 20 meters, the diagonal brace 19 should be at least 10 meters to support.

The exterior of the environmentally friendly greenhouse shelf 10 can be covered with a plastic layer to resist wind and rain and prevent pests. The material of the plastic layer can preferably be polyethylene (PE), polyvinyl chloride (PVC) or polyethylene vinyl acetate. Ester (EVA).

Please refer to Figures 7a to 7h, the type of the recycled composite bracket 11 used in the present invention can be a tube or a column, and is made of a recycled composite material. Each of the recycled composite brackets 11 The ends are provided with a number of holes 111 for fixing to allow any fixing parts to pass and fix, and a high-strength fastener 20 or clamping parts are used between the recycled composite brackets 11 to be fixed and combined, such as steel, carbon steel or alloy Steel screws, nuts, clips or taps, the thickness is preferably 2mm, various implementations of the fastener 20 can include T (Figure 7a), corner (Figure 7b), cross (Figure 7c), The corner angle (Figure 7d), bottom corner (Figure 7e), oblique center (Figure 7f), top center (Figure 7g) and top corner (Figure 7h) are used to adapt to the different bending angles of the environmental protection greenhouse scaffold 10 of the present invention The combination of requirements.

Wherein, between the fastener 20 and the recycled composite bracket 11, in the same axial direction of the fastener 20, the axis of the recycled composite bracket 11 is not parallel, and the axial direction of the perforation 111 (or the fixing member) is not parallel, For example, as shown in Fig. 7a, the lower part of the fastener 20 has two different extensions in the left and right directions. The reclaimed composite bracket 11 has the perforation 111 and its fixing part arranged in a non-horizontal direction, but in a vertical direction, which can eliminate the same The external stress in the direction affects the two recycled composite brackets 11 at the same time to avoid simultaneous loosening and increase the structural strength.

The recycled composite material contains polyethylene terephthalate (PET), nylon (polyamide, PA, Nylon) and fiber reinforced nylon (Fiber reinforced Nylon), and the polyethylene terephthalate is taken from For recycled plastic waste, such as discarded fishing nets or fishing gear, the fiber-reinforced nylon is better to use glass fiber, which has cost advantages. All the column materials used in the present invention have a thickness of 50mm. If they are pipes, the outer diameter is 50mm and the thickness is 10mm. They can also be 2 inches in diameter and 3/8 inches in wall thickness.

A recycled composite made of polyethylene terephthalate, nylon and fiber-reinforced nylon, matched with a suitable compatibilizer, and a chain extender to adjust the processing fluidity, so that the recycled composite can be used for special-shaped extrusion Processed to make the pipe or column suitable for the present invention, and its material properties can reach the following standards, the tensile strength is 709.6±4.6 kgf/cm ² (ASTM D638), the elongation rate is 5.25±0.14% (ASTM D638), and the The bending strength is 1,172±16.4 kgf/cm ² (ASTM D790), and the heat distortion temperature is 144 ˚C. The recycled composite material can be used with other product developments, and recycling provides environmentally friendly solutions.

The surface of pipes and columns made of the recycled composite material can also use surface coating technology to form a weather-resistant layer on the surface to increase its weather-resistant properties. The weather-resistant layer can be acrylic or polyurethane coatings, and Inorganic or organic materials that can absorb energy can be added to the coating to combine ultraviolet light, water and other external substances to corrode the recycled composite material, delay aging and extend the service life. After testing, the pipe coated with the weather resistant layer and The column material can still reach a tensile strength greater than 675 kgf/cm ² (ASTM D638) when exposed to ultraviolet light for 300 hours, which is better than the pipe or column material without the weather resistant layer.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of rights claimed by the present invention. All other equivalent changes or modifications made without departing from the spirit of the present invention should be included in this The invention is within the scope of patent application.

10: Environmental protection greenhouse scaffolding 11: Recycled composite bracket 111: Piercing 13: top 131: Spine Supervisor 132: Straight Tube 133: Roof Truss Pipe 15: Side wall 151: Edge beam straight pipe 153: Column Tube 155: Independent footing 17: Front and back access department 171: The first horizontal frame 173: second horizontal frame 175: Straight Beam 177: Entrance and Exit 177: Third Cross Frame 179: Entrance and Exit 19: diagonal brace 20: fasteners

Fig. 1 is a schematic diagram of the first preferred embodiment of the present invention. Figure 2 is a schematic diagram of the top preferred embodiment of the present invention. Fig. 3 is a schematic diagram of a preferred embodiment of the side wall part of the present invention. 4 is a schematic diagram of a preferred embodiment of the front and rear access parts of the present invention Figure 5 is a schematic diagram of a second preferred embodiment of the present invention. Fig. 6 is a schematic diagram of a preferred embodiment of the independent footing of the present invention. Figures 7a-7h are schematic diagrams of several preferred embodiments of the pipe or column fastener of the present invention.

10: Environmental protection greenhouse scaffolding

11: Recycled composite bracket

13: top

15: Side wall

17: Front and back access department

Claims (10)

An environmentally friendly greenhouse scaffold, which is constructed by combining a plurality of recycled composite material supports, and contains: A top, which includes a spine main pipe arranged parallel to the ground, and a plurality of mutually parallel roof truss pipes are connected and fixed to two corresponding sides in the radial direction of the spine main pipe. The direction of the pipes of the roof truss pipe and the spine main pipe is present A downward angle or an arc; Two correspondingly arranged side wall parts, the side wall part is fixedly connected to the top part and is arranged perpendicular to the ground, and includes a side beam straight tube parallel to the ridge beam main pipe, and the side beam straight tube faces the radial direction of the tube body A number of column pipes are fixed perpendicular to the ground, and the column pipes are aligned with the roof truss pipe on the top and partially inserted into the ground; Two correspondingly arranged front and rear access parts, the front and rear access parts are fixedly connected to the top and arranged perpendicular to the ground, and horizontally with the ground, a first horizontal frame extending from the straight pipe of the truss bar and the straight pipe of the side beam is provided There are a number of straight beams perpendicular to the ground with a second cross frame, a third cross frame horizontal to the second cross frame is arranged between the straight beams, and an entrance and exit is framed between the straight beams; and The recycled composite frame is made of recycled polyethylene terephthalate, nylon and fiber-reinforced nylon. The recycled composite frame is provided with a perforation; a fastener or a clip is used between the recycled composite frame The parts are connected and fixed, and the different recycled composite stents connected by the fastener or the clip in the same axial direction have the axial directions of the perforations not parallel. Such as the environmental protection greenhouse scaffold described in item 1 of the scope of patent application, in which: The distance between each truss pipe is 0.5 meters; The distance between each column pipe shall be 0.5 meters, and shall be inserted at least 0.5 meters under the ground; The distance between each straight beam is 0.65 meters; The total height of the environmental protection greenhouse scaffold is 3.4 meters from the ground, including the top height of 1.4 meters and the side wall of 2 meters. Such as the environmental protection greenhouse scaffold described in item 1 of the scope of patent application, the roof truss pipe is fixed with a sturdy straight pipe parallel to the main pipe of the spine; and the column pipe is provided with another straight pipe parallel to the side beam. A straight pipe. For example, in the environmental protection greenhouse scaffold described in item 1 of the scope of patent application, all or part of the column tube is bolted to an independent footing made of reinforced concrete, and the independent footing is buried under the ground. For example, the environmental protection greenhouse scaffold mentioned in the first item of the scope of patent application, a diagonal brace is set up between the front and rear access part and the column pipe at an interval of no more than 20 meters, and is inserted at least 30 cm below the ground at the same time. For example, in the environmental protection greenhouse scaffold described in item 1 of the scope of patent application, the environmental protection greenhouse scaffold is covered with a plastic layer, and the plastic layer includes polyethylene, polyvinyl chloride or polyethylene vinyl acetate. Such as the environmental protection greenhouse scaffold described in item 1 of the scope of patent application, the recycled composite frame is a pipe or column, wherein: the recycled composite frame has a tensile strength of 709.6±4.6 kgf/cm ² and an elongation of 5.25±0.14% , Bending strength of 1,172±16.4 kgf/cm ² and heat distortion temperature of 144 ˚C; the fastener or clip contains steel or its alloy screw, nut, clip or tap; and the fastener contains T Word, corner, cross, corner corner, bottom corner, oblique center, top center, and top corner. Such as the environmental protection greenhouse scaffold described in item 8 of the scope of patent application, of which: The thickness of the column is 50mm; and The pipe has an outer diameter of 50mm and a thickness of 10mm. For the environmental protection greenhouse scaffold described in item 8 of the scope of patent application, the surface of the recycled composite frame includes a weather-resistant layer, and the material of the weather-resistant layer is acrylic or polyurethane paint. For the environmental protection greenhouse scaffold described in item 10 of the scope of patent application, the weather-resistant layer contains an inorganic or organic material.

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