CN105165468B - Large-span steel structure pressure arch - Google Patents
Large-span steel structure pressure arch Download PDFInfo
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- CN105165468B CN105165468B CN201510416530.9A CN201510416530A CN105165468B CN 105165468 B CN105165468 B CN 105165468B CN 201510416530 A CN201510416530 A CN 201510416530A CN 105165468 B CN105165468 B CN 105165468B
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- rod
- frame rod
- arch
- reinforcing
- inner frame
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a large-span steel structure pressure arch serving as a support system of a large-span greenhouse, wherein the pressure arch is composed of a plurality of arch frame units and a support base, the arch frame units are connected to form an arch frame, and two ends of the arch frame are connected with the support base.
Description
Technical Field
The invention relates to a supporting structure of agricultural facilities, in particular to a large-span steel structure pressure arch for realizing a large-span column-free structure.
Background
At present, Chinese greenhouse is mainly of two types, one type is a simple plastic greenhouse, a supporting rod is fixed on a soil wall, then plastic is covered, the building cost is low, the investment is low, the maintenance is convenient, and the operation cost is low. However, the simple plastic greenhouse has simple and crude facilities, cannot provide suitable planting conditions under the cold climate condition, has small span which is only about ten meters generally, has limited planting area, and is high in energy consumption for maintaining plant growth conditions under the cold climate condition in a continuous-span glass greenhouse, and is not suitable for large-scale production due to more support columns.
In addition, in the building process of the existing greenhouse, the size of the greenhouse needing to be built is determined according to the area of a building site, and much time is needed in the whole process.
Disclosure of Invention
The invention aims to provide a structural support system of a large-span arched passive intelligent greenhouse, in particular to a large-span steel structure pressure arch which has the advantages of large span, high safety, long service life, less material consumption, no upright post and convenient cultivation, can automatically adjust the span, is convenient to carry and does not waste a great deal of manpower and material resources.
In order to realize the purpose, the invention adopts the following technical scheme:
a large-span steel structure pressure arch serving as a support system of a large-span greenhouse is characterized in that the pressure arch consists of a plurality of arch frame units and a support substrate, the arch frame units are connected to form a large-span arch frame, and two ends of the arch frame are connected with the support substrate.
Further, the arch unit includes an outer frame bar, a first inner frame bar, and a plurality of auxiliary bars and a plurality of reinforcing bars for connecting the outer frame bar and the first inner frame bar, the plurality of reinforcing bars including: a first end stiffener, a second end stiffener, and a middle stiffener.
Furthermore, the first inner frame rods of the outer frame rods are straight rods.
Further, the length of the outer frame rod is larger than that of the first inner frame rod.
Furthermore, the two ends of the outer frame rod are respectively connected with the two ends of the first inner frame rod through a first end reinforcing rod and a second end reinforcing rod.
Furthermore, the middle part of the outer frame rod is connected with the middle part of the first inner frame rod through a middle reinforcing rod.
Furthermore, both ends of the outer frame rod are connected with the middle part of the first inner frame rod through two auxiliary rods.
Further, the supporting surface of the supporting substrate is an inclined surface.
The invention has the advantages that through the mechanical structure among the rods, the large-span steel structure pressure arch which is large in span, high in safety degree, long in service life, less in material consumption, free of stand columns and convenient to cultivate can be realized, the pressure arch is composed of the plurality of arch frame units, and is suitable for various building sites.
Drawings
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
FIG. 2 is a schematic front view of an arch unit structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a second internal frame rod assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a third first end stiffener according to an embodiment of the present invention: wherein (a) is a front view and (b) is a sectional view taken along a-A section;
FIG. 5 is a schematic structural view of a third second end stiffener according to an embodiment of the present invention: wherein (a) is a front view and (B) is a cross-sectional view taken along section B-B;
FIG. 6 is a schematic view of a fourth embodiment of a reinforced retaining sleeve assembly;
FIG. 7 is a schematic view of the connection structure of the four reinforcing fixing sleeve assemblies with the arched reinforcing rods and the outer frame rods according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details. The invention is further described with reference to the following detailed description and accompanying drawings.
[ EXAMPLES one ]
As shown in fig. 1-2, a large-span steel structure pressure arch as a support system of a large-span greenhouse, the pressure arch is composed of a plurality of arch units and a support base, the plurality of arch units are connected to form a large-span arch, two ends of the arch are connected to the support base, the number of the arch units is preferably an odd number, a stable symmetrical structure can be realized, a support surface of the support base is an inclined surface to provide lateral and longitudinal support force for the arch, and the support base mainly provides longitudinal mechanical support for the arch because the arch is not provided with a column, the arch unit includes: outer hack lever 1, first inner hack lever 2 and be used for connecting outer hack lever 1 with many auxiliary rod 3 and many stiffeners of first inner hack lever 2, many stiffeners include: a first end reinforcing rod 4, a second end reinforcing rod 5 and a middle reinforcing rod 6.
The outer frame rod 1 and the first inner frame rod 2 are straight rods which can effectively provide mechanical bearing capacity, and the length of the outer frame rod 1 is larger than that of the first inner frame rod 2.
The two ends of the outer frame rod 1 are respectively connected with the two ends of the first inner frame rod 2 through a first end reinforcing rod 4 and a second end reinforcing rod 5, the middle of the outer frame rod 1 is connected with the middle of the first inner frame rod 2 through a middle reinforcing rod 6, the two ends of the outer frame rod 1 are connected with the middle of the first inner frame rod 2 through two auxiliary rods 3, the auxiliary rods 3 play a role of auxiliary support, the bearing performance of the integral structure is enhanced simultaneously, and a triangular or triangle-like stable structure is formed by connecting main bearing components in the arch frame unit through the auxiliary rods 3.
During construction, according to the requirements of users, a proper number of arch frame units are selected, and all the arch frame units are connected together in a connecting steel plate, bolt connection or welding mode, so that the large-span upright post-free arch structure is formed.
The outer frame rod 1 can be made of Q235 steel which is a common steel material, the outer frame rod 1 is not used as a main bearing part, the Q235 steel can just meet the mechanical requirement, the price is low, the cost is reduced, the first inner frame rod 2, the reinforcing rods and the auxiliary rods 3 can be made of materials with the strength equal to or higher than that of the outer frame rod 1, such as Q235 steel or Q345 steel, and the first inner frame rod 2, the reinforcing rods and the auxiliary rods 3 are used as main bearing parts and have high mechanical requirements, so that the material with high strength is used, the stability of the pressure arch is improved, and the bearing capacity of the pressure arch is improved.
[ example two ]
As shown in fig. 3, this embodiment solution is substantially the same as the previous embodiment, the only difference is that the first inner frame bar 2 can be replaced with an adjustable inner frame bar assembly 21, and the adjustable inner frame bar assembly 21 comprises: hack lever 211, thread bush 212 and regulation pole 213 in the second, hack lever 211 both ends terminal surface is equipped with circular shrinkage pool in the second, thread bush 212 divide into the stiff end and extends the end, thread bush 212 stiff end is fixed hack lever 211 one end in the second, it extends outside second internal hack lever 211 to extend the end, but thread bush 212 stiff end is in second internal hack lever 211 one end axis free rotation, thread bush 212 extends the inside screw thread that is provided with of end, adjust pole 213 set up in the shrinkage pool of second internal hack lever 211, adjust pole 213 middle part be provided with the screw thread with screw-thread fit in the thread bush 212, through the rotation thread bush 212 can make adjust pole 213 lateral shifting to realize the flexible of adjustable internal hack lever subassembly 211 small dimension, through the adjustment to each arched frame unit, adjustable arch structure's span, outer hack lever 1 one end through first tip stiffener 4 with the regulation pole 213 one end of second internal hack lever 211 corresponds the end The other end of the outer frame rod 1 is connected with one end of an adjusting rod 213 at the corresponding end of the second inner frame rod 211 through a second end reinforcing rod 5.
[ EXAMPLE III ]
As shown in fig. 4-5, this embodiment is substantially the same as the previous embodiment, except that the first end reinforcing rod 4 is provided with a T-shaped groove 41 on one side of the end of the first inner frame rod 2 in the extending direction, the second end reinforcing rod 5 is provided with a T-shaped protrusion 51 on one side of the end of the inner frame rod 2 in the extending direction, the T-shaped groove 41 and the T-shaped protrusion 51 are provided with fixing holes, and the two arch frame units can be conveniently and quickly connected through the T-shaped groove 41 and the T-shaped protrusion 51, and can play a role of reinforcing fixation by adopting other connecting methods such as pins, screws or welding and the like in the fixing holes.
[ EXAMPLE IV ]
As shown in fig. 6 to 7, this embodiment is substantially the same as the previous embodiment, the only difference being that the pressure arch further comprises an arched reinforcing rod 8 and a reinforced jacket assembly 9, the reinforced jacket assembly 9 being arranged on the arch unit outer frame rod 1, the reinforced jacket assembly 9 comprising: the greenhouse shed reinforcing device comprises two connecting sleeves 91 and connecting plates 92 for connecting the two connecting sleeves 91, at least two groups of reinforcing fixed sleeve assemblies 9 are arranged on an outer frame rod 1, one connecting sleeve 91 of each reinforcing fixed sleeve assembly 9 is sleeved on the outer frame rod 1, the other connecting sleeve 91 is sleeved on an arch reinforcing rod 8, the arch reinforcing rods 8 can be selected by self according to the greenhouse building condition, and a small section can be used for connecting and reinforcing two arch frame units or reinforcing rods with the same specification as the arch frames are used for reinforcing the arch frames formed by a plurality of arch frame units.
The invention has the advantages that through the mechanical structure among the rods, the large-span steel structure pressure arch which is large in span, high in safety degree, long in service life, less in material consumption, free of stand columns and convenient to cultivate can be realized, the pressure arch is composed of a plurality of arch frame units, and is suitable for various building sites.
Claims (1)
1. The utility model provides a large-span steel construction pressure arch, as the braced system in large-span greenhouse, its characterized in that, the pressure arch comprises a plurality of bow member units and support basement, and is a plurality of the bow member unit connection constitutes large-span bow member, the bow member both ends with support basement is connected, the bow member unit includes outrigger pole, first interior frame pole and is used for connecting many auxiliary rods and many stiffeners of outrigger pole and first interior frame pole, many stiffeners include: the outer frame rod and the first inner frame rod are straight rods, the length of the outer frame rod is greater than that of the first inner frame rod, two ends of the outer frame rod are connected with two ends of the first inner frame rod through the first end reinforcing rod and the second end reinforcing rod respectively, the middle of the outer frame rod is connected with the middle of the first inner frame rod through the middle reinforcing rod, two ends of the outer frame rod are connected with the middle of the first inner frame rod through two auxiliary rods, and the supporting surface of the supporting substrate is an inclined surface; the outer frame rod and the first inner frame rod are straight rods, the straight rods can effectively provide mechanical bearing capacity, the length of the outer frame rod is greater than that of the first inner frame rod, two ends of the outer frame rod are respectively connected with two ends of the first inner frame rod through a first end reinforcing rod and a second end reinforcing rod, the middle of the outer frame rod is connected with the middle of the first inner frame rod through a middle reinforcing rod, two ends of the outer frame rod are connected with the middle of the first inner frame rod through two auxiliary rods, the auxiliary rods play a role of auxiliary support and simultaneously enhance the bearing performance of the overall structure, main bearing components in the arch frame units are connected into a triangular or triangle-like stable structure through the auxiliary rods, when the arch frame units are built, a proper number of arch frame units are selected according to the self requirements of users, and the arch frame units are connected together in a connecting steel plate, bolt connection or welding mode, the outer frame rod is made of Q-type steel which is common steel structure material, the outer frame rod is not used as a main bearing part and can just meet the mechanical requirement of the outer frame rod by adopting Q-type steel, the price is lower, the cost is reduced, the first inner frame rod, the reinforcing rod and the auxiliary rod are made of material with the strength equal to or higher than that of the outer frame rod, the mechanical requirement is higher by adopting the first inner frame rod, the reinforcing rod and the auxiliary rod as main bearing parts, the material with high strength is adopted, the stability of the pressure arch is improved, and the bearing capacity is improved, the first inner frame rod is an adjustable inner frame rod assembly, and the adjustable inner frame rod assembly comprises: the adjustable inner frame rod assembly comprises a second inner frame rod, a threaded sleeve and an adjusting rod, wherein circular concave holes are formed in the end faces of two ends of the second inner frame rod, the threaded sleeve is divided into a fixed end and an extending end, the fixed end of the threaded sleeve is fixed at one end of the second inner frame rod, the extending end extends out of the second inner frame rod, the fixed end of the threaded sleeve freely rotates around the axis at one end of the second inner frame rod, threads are arranged inside the extending end of the threaded sleeve, the adjusting rod is arranged in the concave hole of the second inner frame rod, threads are arranged in the middle of the adjusting rod and matched with the threads in the threaded sleeve, the adjusting rod can transversely move by rotating the threaded sleeve, so that small-amplitude expansion of the adjustable inner frame rod assembly is realized, the span of an arch structure can be adjusted by adjusting each arch frame unit, one end of the outer frame rod is connected with one end of the adjusting rod at the corresponding end of the second inner frame rod through a first end reinforcing rod, the pressure arch comprises an outer frame rod, a first end reinforcing rod, a second end reinforcing rod, a T-shaped protrusion, a T-shaped groove, two arch-shaped frame units and a reinforcing fixed sleeve assembly, wherein the other end of the outer frame rod is connected with one end of an adjusting rod at the corresponding end of the second inner frame rod through the second end reinforcing rod, the first end reinforcing rod is provided with the T-shaped groove on one side of the extending direction of the first inner frame rod at the end, the second end reinforcing rod is provided with the T-shaped protrusion on one side of the extending direction of the inner frame rod at the end, the T-shaped groove and the T-shaped protrusion are provided with fixed holes, the two arch-shaped frame units can be conveniently and quickly connected with the T-shaped protrusion through the T-shaped groove, and the reinforcing fixed sleeve assembly can play a role in reinforcing and fixing by adopting pins, screws or welding connection modes in the fixed holes, the pressure arch further comprises an arch-shaped reinforcing fixed sleeve assembly, the reinforcing fixed sleeve assembly is arranged on the outer frame rod of the arch-shaped frame unit, and comprises: the greenhouse shed reinforcing device comprises two connecting sleeves and a connecting plate for connecting the two connecting sleeves, wherein at least two groups of reinforcing fixed sleeve assemblies are arranged on an outer frame rod, one connecting sleeve of each reinforcing fixed sleeve assembly is sleeved on the outer frame rod in a penetrating manner, the other connecting sleeve of each reinforcing fixed sleeve assembly is sleeved on an arch reinforcing rod in a penetrating manner, the arch reinforcing rods are selected automatically according to the greenhouse building condition, and a small section is used for connecting and reinforcing two arch frame units or reinforcing arch frames formed by a plurality of arch frame units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510416530.9A CN105165468B (en) | 2015-07-15 | 2015-07-15 | Large-span steel structure pressure arch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510416530.9A CN105165468B (en) | 2015-07-15 | 2015-07-15 | Large-span steel structure pressure arch |
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| CN105165468A CN105165468A (en) | 2015-12-23 |
| CN105165468B true CN105165468B (en) | 2022-09-20 |
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| CN114776027B (en) * | 2022-02-11 | 2023-02-03 | 中建二局第三建筑工程有限公司 | Construction method of tropical rainforest greenhouse steel structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044764C (en) * | 1992-04-10 | 1999-08-25 | 魏启星 | Farming system for cultivating crops |
| AU2005228911A1 (en) * | 2004-03-31 | 2005-10-13 | Strarch Technologies Pty Ltd | Modular structures |
| CN101581074B (en) * | 2009-06-09 | 2010-12-29 | 中国第一冶金建设有限责任公司 | Large-span steel truss arch construction method |
| CN201649286U (en) * | 2010-03-10 | 2010-11-24 | 贺琦 | Truss structure |
| CN202338110U (en) * | 2011-11-29 | 2012-07-18 | 朱卫国 | Supporting structure of truss |
| CN102511336B (en) * | 2011-12-07 | 2014-03-19 | 河南科技大学 | High-strength and short greenhouse skeleton structure and construction method thereof |
| CN103334527B (en) * | 2013-07-06 | 2015-09-02 | 杭州恒达钢构股份有限公司 | Steel work cast-in-situ floor arch camber construction method |
| CN205124529U (en) * | 2015-07-15 | 2016-04-06 | 北京加中绿环农业科技有限公司 | Large -span steel structural pressure encircles |
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