CN215758853U - Large-span assembly type cable truss structure for covering channel - Google Patents
Large-span assembly type cable truss structure for covering channel Download PDFInfo
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- CN215758853U CN215758853U CN202121379504.0U CN202121379504U CN215758853U CN 215758853 U CN215758853 U CN 215758853U CN 202121379504 U CN202121379504 U CN 202121379504U CN 215758853 U CN215758853 U CN 215758853U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 199
- 239000010959 steel Substances 0.000 claims abstract description 199
- 238000000034 method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
本实用新型公布了一种用于渠道遮盖的大跨度装配式索桁架结构，所述的上弦型钢(2)位于两根所述的下弦钢拉索(3)上方,两根所述的下弦钢拉索(3)之间设置有水平钢腹杆(5)；单根呈圆弧形的所述的上弦型钢(2)与两根所述的下弦钢拉索(3)之间设置有呈人字形钢腹杆(4)，所述的上弦型钢(2)、下弦钢拉索(3)、人字形钢腹杆(4)与水平钢腹杆(5)之间围成三角形，它克服了现有技术输水渠道内设置钢结构平台面临的渠道跨度大、支撑难、不易安装的问题，具有上弦型钢、人字形钢腹杆与水平钢腹杆之间围成三角形，达到一种稳定的自平衡体系，整体受力合理的优点。
The utility model discloses a large-span assembled cable truss structure for channel covering, wherein the upper chord section steel (2) is located above the two lower chord steel cable A horizontal steel web rod (5) is arranged between the cables (3); a single arc-shaped upper chord steel (2) and the two lower chord steel cables (3) are arranged with a horizontal steel web (5). The herringbone steel web bar (4), the upper chord section steel (2), the lower chord steel cable (3), the herringbone steel web bar (4) and the horizontal steel web bar (5) form a triangle, which overcomes the The problems of large channel span, difficult support and difficult installation faced by the steel structure platform set in the water conveyance channel in the prior art are solved. The self-balancing system has the advantages of reasonable overall stress.
Description
Technical Field
The utility model relates to the technical field of water delivery channels, in particular to a large-span assembly type cable truss structure for covering a channel.
Background
In the existing water delivery channel, a large amount of evaporation can be generated in the water delivery process, so that the waste of water resources is caused; the water quality is deteriorated due to pollution of particles such as dust in the process of contacting with the atmosphere.
For water delivery projects built at home and abroad, a steel structure platform can be erected above a channel, and various functions such as water quality control in the channel, renewable energy development of the channel and the like can be implemented on the basis of the platform.
However, the following problems are encountered in the installation of a platform in a channel which has been built and has a water flow for a long time: at present, large-scale water delivery engineering is built, a water delivery channel has the characteristic of large span in the width direction, and the conventional structure cannot meet the engineering use requirement;
meanwhile, the steel structure platform arranged in the water delivery channel has the problems of large channel span, difficult support, difficult installation and the like;
therefore, a structure for solving the above problems is urgently needed.
Disclosure of Invention
The utility model aims to overcome the defects of the background technology and provides a large-span assembled cable truss structure for covering a channel.
The purpose of the utility model is implemented by the following technical scheme: a large-span assembled cable truss structure for covering a channel is arranged above the channel and also comprises a transverse structure arranged above the channel and longitudinal structures fixed on two sides of a bank slope of the channel, wherein the transverse structure is positioned between the longitudinal structures on the two sides;
the transverse structure comprises an upper chord steel section, a lower chord steel stay cable, a herringbone steel web member and a horizontal steel web member;
the upper chord section steel is positioned above the two lower chord steel guys, and a horizontal steel web member is arranged between the two lower chord steel guys;
a herringbone steel web member is arranged between the single arc-shaped upper chord section steel and the two arc-shaped lower chord steel guys, and a triangle is formed by the upper chord section steel, the lower chord steel guys, the herringbone steel web members and the horizontal steel web members in a surrounding manner.
In the above technical scheme: the longitudinal structure comprises upright posts and steel beams; the stand along the equidistant installation a plurality of in both sides of channel bank slope lie in with adjacent two of one side the stand between install the girder steel.
In the above technical scheme: the lower chord steel cable is made of high-strength steel bars, steel strands or steel wire ropes, and each lower chord steel cable is arranged between the upright columns arranged on the two sides.
In the above technical scheme: the upper chord section steel is made of steel pipes and is arranged between the upright columns arranged on the two sides.
In the above technical scheme: the herringbone steel web members and the horizontal steel web members are respectively provided with a plurality of herringbone steel web members, each herringbone steel web member is arranged between the upper chord steel cable and the two lower chord steel cables, and each horizontal steel web member is arranged between the two lower chord steel cables.
In the above technical scheme: the shape enclosed by the two lower chord steel cables is in a shuttle shape.
In the above technical scheme: the lengths of the upper chord steel and the lower chord steel stay are 30-80 meters.
The utility model has the following advantages: 1. the upper chord steel and the lower chord steel stay cables are made of steel structures, and the lengths of the upper chord steel and the lower chord steel stay cables are between 30 and 80 meters, so that the problem that a steel structure platform faces a large channel span is solved.
2. The upper chord type steel, the herringbone steel web members and the horizontal steel web members are enclosed into a triangle, so that a stable self-balancing system is achieved, and the whole stress is reasonable.
3. All the parts of the utility model can be manufactured in factories, the integral manufacture is convenient, and the parts can be assembled on site due to the convenient transportation, thereby having good market value and being worth popularizing.
Drawings
Fig. 1 is a schematic diagram of a channel layout structure in the prior art.
Fig. 2 is a top view of the present invention.
FIG. 3 is a cross-sectional view of the present invention
FIG. 4 is a schematic view of a triangular balance structure according to the present invention.
In the figure: the structure comprises a transverse structure a, a vertical column 1, upper chord section steel 2, a lower chord steel cable 3, herringbone steel web members 4, horizontal steel web members 5, steel beams 6, an original ground A, a road B, a canal C and a canal bottom D.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to FIGS. 1-4: a large-span assembled cable truss structure for covering a channel is arranged above the channel and also comprises a transverse structure a arranged above the channel and longitudinal structures b fixed on two sides of a bank slope of the channel, wherein the transverse structure a is positioned between the longitudinal structures b on the two sides;
the transverse structure a comprises an upper chord steel 2, a lower chord steel inhaul cable 3, a herringbone steel web member 4 and a horizontal steel web member 5;
the upper chord type steel 2 is positioned above the two lower chord steel guys 3, and a horizontal steel web member 5 is arranged between the two lower chord steel guys 3;
a herringbone steel web member 4 is arranged between the single arc-shaped upper chord steel 2 and the two arc-shaped lower chord steel guys 3, and a triangle is formed by the upper chord steel 2, the lower chord steel guys 3, the herringbone steel web members 4 and the horizontal steel web members 5 in a surrounding manner.
Upper chord section steel 2: the upper chord type steel 2 is a steel pipe, purlins can be arranged above the upper chord type steel 2, and photovoltaic panels can be arranged above the purlins; lower chord steel cable 3: the lower chord steel inhaul cable 3 is made of a steel pipe and mainly used for bearing the pulling force generated by the upper load; herringbone steel web members 4: the herringbone steel web member 4 is used for connecting the upper chord steel 2 and the lower chord steel inhaul cable 3; horizontal steel web member 5: the horizontal steel web member 5 is used for connecting two parallel upper chord type steels 2;
the transverse structure a and the longitudinal structure b form a space structure. The upper chord type steel 2 of the transverse structure a bears axial pressure and bending moment, the lower chord type steel cable 3 bears axial tension, the upper chord type steel 2 is pressed and the lower chord type steel cable 3 is pulled to uniformly distribute the force in the transverse structure a on the upper chord type steel 2 and the lower chord type steel cable 3 integrally, namely, the upper chord type steel 2 and the lower chord type steel cable 3 are reinforced and shortened, and the press bending component and the tensile component work cooperatively, so that the self-balancing system which is reasonable in stress, convenient to manufacture and transport and assembled on site is formed, and the platform structure is good in application value.
Compared with a conventional steel truss structure, the cable truss structure is a rigid-flexible structure, the rigidity of the upper chord steel 2 is high, the cable truss structure can bear vertical loads of roof boards or photovoltaic boards and the like, the lower chord steel stay cables 3 are relatively flexible, and the herringbone steel web members 4 provide elastic support for the upper chord steel 2. Not only ensures certain structural rigidity, but also saves the steel consumption.
The longitudinal structure b comprises an upright post 1 and a steel beam 6; a plurality of is installed to the equidistant both sides along channel bank slope stand 1 is located with adjacent two of one side stand 1 between install girder steel 6.
The steel beam 6 adopts a steel beam or a steel truss: the steel beam 6 is used for connecting the longitudinal upright posts 1. The upright columns 1 are made of steel structures or reinforced concrete structures, the steel beams 6 are usually made of section steel, the distance between every two adjacent conventional upright columns 1 is 6-9 meters, the distance is obtained through a large amount of calculation, the distance between the upright columns 1 is the most economical distance, the arrangement of the upper chord type steel 2 and the lower chord type steel inhaul cable 3 and the arrangement of the upright columns 1 and the steel beams 6 are carried out on the distance, the optimal distances are obtained, the engineering requirements can be met, and the engineering cost can be reduced.
The upright column 1 is connected with the steel beam 6 in a hinged mode, and the upright column 1 is fixed on a reinforced concrete independent foundation or a pile foundation.
The lower chord steel inhaul cable 3 is made of high-strength steel bars, steel strands or steel wire ropes, and each lower chord steel inhaul cable 3 is arranged between the upright posts 1 arranged on the two sides.
The lower chord steel cable 3 is made of high-strength steel bars, steel strands or steel wire ropes, the shape enclosed by the two lower chord steel cables 3 which are symmetrically arranged is shuttle-shaped, and the lower chord steel cables 3 positioned at the two ends of the bank slope are fixed with the upright post 1.
The lower chord steel inhaul cable 3 can also be manufactured into an arc-shaped or other curve-shaped structure, the arc-shaped or other curve-shaped structure is attractive in overall appearance and simple to install, and has the advantages of light structure, steel saving, material strength full play and the like compared with a steel beam or other solid-web steel beams, and the platform structure has good application value.
The upper chord type steel 2 is made of steel pipes, and the upper chord type steel 2 is installed between the upright posts 1 arranged on two sides.
The upper chord type steel 2 adopt the steel pipe preparation to form, the upper chord type steel 2 that the steel pipe preparation formed wholly has certain rigidity to guarantee, when buckling and being the camber line, whole more pleasing to the eye, simultaneously because there is the assurance of certain rigidity, when using with the cooperation of the lower chord type steel 3 that the below set up, chevron shape steel web member 4, can place the photovoltaic board on it, the photovoltaic board absorbs solar energy, provides the electricity generation.
The herringbone steel web members 4 and the horizontal steel web members 5 are respectively provided with a plurality of steel web members, each herringbone steel web member 4 is arranged between the upper chord steel 2 and the two lower chord steel guys 3, and each horizontal steel web member 5 is arranged between the two lower chord steel guys 3.
The herringbone steel web members 4 are all arranged between the upper chord type steel 2 and the lower chord type steel inhaul cable 3, so that the strength of the transverse structure a is increased, and the integral stability is facilitated. Each horizontal web member 5 is arranged between two upper chord type steel 2, so that the strength of the transverse structure a is increased, and the integral stability is facilitated.
The shape enclosed by the two lower chord steel guy cables 3 is fusiform, and the fusiform lower chord steel guy cable 3 is more attractive as a whole. The lengths of the upper chord steel 2 and the lower chord steel stay cable 3 are between 30 and 80 meters. The length of the upper chord type steel 2 is 30-80 meters. The length of the upper chord type steel 2 is 30-80 meters, which meets the width of the conventional channel, and the platform constructed between the upper chord type steel 2 and the lower chord type steel guy cable 3 meets the requirement of large-span water delivery in the channel.
The above-mentioned parts not described in detail are prior art.
Claims (7)
1. A large-span assembled cable truss structure for covering a channel is arranged above the channel and also comprises a transverse structure (a) arranged above the channel and longitudinal structures (b) fixed on two sides of a bank slope of the channel, wherein the transverse structure (a) is positioned between the longitudinal structures (b) on the two sides; the method is characterized in that:
the transverse structure (a) comprises an upper chord steel (2), a lower chord steel cable (3), a herringbone steel web member (4) and a horizontal steel web member (5);
the upper chord section steel (2) is positioned above the two lower chord steel stay cables (3), and a horizontal steel web member (5) is arranged between the two lower chord steel stay cables (3);
a herringbone steel web member (4) is arranged between the single arc-shaped upper chord steel (2) and the two arc-shaped lower chord steel stay ropes (3), and a triangle is formed by the upper chord steel (2), the lower chord steel stay ropes (3), the herringbone steel web member (4) and the horizontal steel web member (5) in a surrounding manner.
2. The large-span fabricated rigging truss structure for channel covering according to claim 1, wherein: the longitudinal structure (b) comprises a vertical column (1) and a steel beam (6); a plurality of is installed along the equidistant both sides of channel bank slope stand (1), lie in with adjacent two of one side stand (1) between install girder steel (6).
3. The large-span fabricated cable truss structure for channel covering according to claim 1 or 2, wherein: the lower string steel inhaul cable (3) is made of high-strength steel bars, steel strands or steel wire ropes, and each lower string steel inhaul cable (3) is installed between the upright columns (1) arranged on the two sides.
4. The large-span fabricated rigging truss structure for channel covering according to claim 3, wherein: the upper chord section steel (2) is made of steel pipes, and the upper chord section steel (2) is arranged between the upright posts (1) arranged on the two sides.
5. The large-span fabricated rigging truss structure for channel covering according to claim 4, wherein: the herringbone steel web members (4) and the horizontal steel web members (5) are respectively provided with a plurality of steel web members, each herringbone steel web member (4) is respectively arranged between the upper chord steel cable (2) and the lower chord steel cable (3), and each horizontal steel web member (5) is respectively arranged between the two lower chord steel cables (3).
6. The large-span fabricated rigging truss structure for channel covering according to claim 5, wherein: the shape enclosed by the two lower chord steel cables (3) is shuttle-shaped.
7. The large-span fabricated cable truss structure for channel covering according to claim 5 or 6, wherein: the lengths of the upper chord steel (2) and the lower chord steel stay cable (3) are between 30 and 80 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121379504.0U CN215758853U (en) | 2021-06-21 | 2021-06-21 | Large-span assembly type cable truss structure for covering channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121379504.0U CN215758853U (en) | 2021-06-21 | 2021-06-21 | Large-span assembly type cable truss structure for covering channel |
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| CN215758853U true CN215758853U (en) | 2022-02-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356148A (en) * | 2021-06-21 | 2021-09-07 | 长江勘测规划设计研究有限责任公司 | Large-span assembly type cable truss structure for covering channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356148A (en) * | 2021-06-21 | 2021-09-07 | 长江勘测规划设计研究有限责任公司 | Large-span assembly type cable truss structure for covering channel |
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