CN216141987U - Multi-span counterweight type cable truss structure for covering channel - Google Patents
Multi-span counterweight type cable truss structure for covering channel Download PDFInfo
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- CN216141987U CN216141987U CN202121377770.XU CN202121377770U CN216141987U CN 216141987 U CN216141987 U CN 216141987U CN 202121377770 U CN202121377770 U CN 202121377770U CN 216141987 U CN216141987 U CN 216141987U
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Abstract
The utility model discloses a multi-span counterweight type cable truss structure for covering a channel, wherein an upper chord steel (2) is positioned above a lower chord steel stay cable (3); a horizontal steel web member (5) is arranged between the two lower chord steel cables (3), a herringbone steel web member (4) is arranged between the single arc-shaped upper chord steel (2) and the two lower chord steel cables (3), and a triangle is formed by the upper chord steel (2), the lower chord steel cables (3), the herringbone steel web member (4) and the horizontal steel web member (5); the lower end of the upper chord type steel (2) is fixed with a supporting structure (c), the other end of the supporting structure (c) is fixed at the bottom of the canal, the defect that the structure in the prior art cannot meet the requirement of the existing canal on large span is overcome, and the upper chord type steel has the advantages that all parts are convenient to transport, can be assembled on site and have good market value.
Description
Technical Field
The utility model relates to the technical field of water delivery channels, in particular to a multi-span counterweight 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 projects are built, and water delivery channels have the characteristic of large span in the width direction. The conventional structure can not meet the engineering use requirement.
The water delivery channel is internally provided with a steel structure platform, and the problems of large channel span, difficult support, difficult installation and the like are solved.
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 multi-span counterweight type cable truss structure for covering channels.
The purpose of the utility model is implemented by the following technical scheme: a multi-span counterweight type cable truss structure for covering a channel is arranged above the channel and also comprises a plurality of transverse structures arranged above the channel and longitudinal structures fixed on two sides of a channel bank slope, wherein the plurality of transverse structures and the plurality of longitudinal structures are arranged above the channel at intervals, the longitudinal structures on each side are arranged on the channel bank slope at intervals, and the transverse structures are 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, a horizontal steel web member and a supporting structure;
the upper chord section steel is positioned above the lower chord steel stay cable; 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 steel section and the two lower chord steel stay cables, and a triangle is formed by the upper chord steel section, the herringbone steel web member and the horizontal steel web member;
the lower end of the upper chord type steel is provided with a supporting structure, and the other end of the supporting structure is fixed at the bottom of the canal.
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 supporting structure has at least one, every supporting structure include precast concrete annular post and precast concrete basis, the top of precast concrete annular post with the last string shaped steel fixed, the bottom is provided with precast concrete basis, precast concrete basis place in the middle or both sides at the bottom of the canal.
In the above technical scheme: the upper chord type steel is made of steel pipes, the upper chord type steel and the upright post are fixed and are positioned at the two ends of the bank slope, and the upper chord type steel and the precast concrete annular post are fixed and are arranged above the bottom of the channel.
In the above technical scheme: the lower chord steel cable is made of high-strength steel bars, steel strands or steel wire ropes, the shape enclosed by two symmetrically arranged lower chord steel cables is fusiform, the lower chord steel cables positioned at two ends on the bank slope are fixed with the upright post, and the lower chord steel cables positioned above the bottom of the channel) are fixed with the precast concrete annular post.
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 length of the upper chord section steel is between 30 and 80 meters.
The utility model has the following advantages: 1. the upper chord steel is made of steel pipes, the lower chord steel stay is made of high-strength steel bars, steel strands or steel wire ropes, and the lengths of the upper chord steel and the lower chord steel stay are 30-80 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 conveniently transported and assembled on site, thus having good market value and being worth popularizing.
4. According to the utility model, the photovoltaic panels can be arranged in a triangle formed by the upper chord type steel, the herringbone steel web members and the horizontal steel web members, and can absorb solar energy to generate electricity, so that certain economic benefit is generated.
5. The supporting structure can provide a plurality of supporting points for the transverse structure arranged at the upper part, so that the stress of the whole structure is more uniform and stable, and meanwhile, the whole upper chord type steel is streamline, the streamline appearance is integrally beautiful, and the good visual effect is achieved.
Drawings
Fig. 1 is a structural layout diagram of a conventional channel.
FIG. 2 is a structural layout diagram of the present invention in multi-span.
FIG. 3 is a top view of the single bay of the present invention.
FIG. 4 is a cross-sectional view of the present invention taken at a single span.
Fig. 5 is a layout view of the triangular structure in the present invention.
In the figure: the novel steel truss structure comprises a transverse structure a, a longitudinal structure B, a stand column 1, upper chord section steel 2, lower chord steel guy cables 3, herringbone steel web members 4, horizontal steel web members 5, steel beams 6, precast concrete annular columns 7, precast concrete foundations 8, 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. 1-5: a multi-span counterweight type 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 channel bank slope, wherein the transverse structure a and the longitudinal structures b are respectively provided with a plurality of transverse structures a, the transverse structures a are arranged above the channel at intervals, the longitudinal structures b on each side are arranged on the channel bank slope at intervals, and the transverse structures a are positioned between the longitudinal structures b on two sides;
the transverse structure a comprises an upper chord steel 2, a lower chord steel cable 3, a herringbone steel web member 4, a horizontal steel web member 5 and a supporting structure c;
the upper chord type steel 2 is positioned above the lower chord type steel inhaul cable 3; 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 lower chord steel guys 3, and a triangle is formed by the upper chord steel 2, the herringbone steel web member 4 and the horizontal steel web member 5;
the lower end of the upper chord type steel 2 is provided with a supporting structure c, and the other end of the supporting structure c is fixed at the bottom of the canal.
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 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 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, the lower chord type steel cable 3 is pulled to uniformly distribute the force between the transverse structures a on the whole on the upper chord type steel 2 and the lower chord type steel cable 3, namely, the upper chord type steel 2 and the lower chord type steel cable 3 are reinforced and shortened, and the 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 upright columns 1 are made of steel structures or reinforced concrete structures, the steel beams 6 are usually made of steel pipes, 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 cable 3 and the arrangement of the upright columns 1 and the steel beams 6 are carried out at 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 supporting structure c has at least one, every supporting structure c include precast concrete annular post 7 and precast concrete basis 8, the top of precast concrete annular post 7 with last string shaped steel 2 fixed, the bottom is provided with precast concrete basis 8, precast concrete basis 8 place in the middle of the bottom of the canal or both sides.
When the number of the supporting structures c is two, the supporting structures c are positioned on the edges of two sides of the bottom of the channel, the two precast concrete annular columns 7 are respectively placed at the edge positions of the bottom of the channel, and the precast concrete foundations 8 correspondingly arranged at the bottoms of the precast concrete annular columns 7 are also arranged at the edge positions of the bottom of the channel;
every the top of precast concrete annular post 7 all fixed with last string shaped steel 2, be located two adjacent last string shaped steel 2 bending type in channel top and be the arc.
When one supporting structure c is arranged, the supporting structure c is positioned in the middle of the bottom of the channel, the top end of the precast concrete annular column 7 is fixed with the upper chord type steel 2, and the precast concrete foundation 8 is placed in the middle of the channel.
The precast concrete annular column 7 has the advantages that: the precast concrete annular column is arranged in the channel and used for reducing the span of the cable truss structure, providing a fulcrum or a plurality of fulcrums for the upper transverse structure a, increasing the integral rigidity of the structure and enabling the stability of the structure to be better.
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 hardness to guarantee, when buckling and be 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 upper chord type steel 2 positioned at two ends of the bank slope is fixed with the upright post 1, and the upper chord type steel 2 positioned above the bottom of the channel is fixed with the precast concrete annular post 7.
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 symmetrically arranged lower chord steel cables 3 is fusiform, the lower chord steel cables 3 positioned at two ends on a bank slope are fixed with the upright post 1, and the lower chord steel cables 3 arranged above the bottom of the canal are fixed with the precast concrete annular post 7.
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.
Meanwhile, the lower chord steel stay cable 3 is made of high-strength steel bars, steel strands or steel wire ropes, is good in overall performance and high in rigidity, and can bear vertical loads such as roof panels and photovoltaic panels.
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 length of the upper chord type steel 2 is between 30 and 80 meters. The length of the upper chord type steel 2 is 30-80 meters, which meets the width of a conventional channel, and a 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 multi-span counterweight type cable truss structure for covering a channel is arranged above the channel and also comprises a plurality of transverse structures (a) arranged above the channel and longitudinal structures (b) fixed on two sides of a channel bank slope, wherein the plurality of transverse structures (a) and the plurality of longitudinal structures (b) are arranged above the channel at intervals, the longitudinal structures (b) on each side are arranged on the channel bank slope at intervals, and the transverse structures (a) are positioned between the longitudinal structures (b) on two sides; the method is characterized in that:
the transverse structure (a) comprises an upper chord section steel (2), a lower chord steel cable (3), a herringbone steel web member (4), a horizontal steel web member (5) and a supporting structure (c);
the upper chord steel (2) is positioned above the lower chord steel stay cable (3); 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 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);
the lower end of the upper chord steel (2) is provided with a supporting structure (c), and the other end of the supporting structure (c) is fixed at the bottom of the canal.
2. The multi-span counterweight type cable 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 multi-span counterweight type cable truss structure for channel covering according to claim 1, wherein: the supporting structure (c) has at least one, every supporting structure (c) include precast concrete annular post (7) and precast concrete basis (8), the top of precast concrete annular post (7) with last chord type steel (2) fixed, the bottom is provided with precast concrete basis (8), precast concrete basis (8) place in the middle or both sides at the bottom of the canal.
4. The multi-span counterweight type cable truss structure for channel covering according to claim 2, wherein: the upper chord type steel (2) is made of steel pipes, the upper chord type steel (2) is positioned at two ends of the bank slope and fixed with the upright post (1), and the upper chord type steel (2) is positioned above the bottom of the channel and fixed with the precast concrete annular post (7).
5. The multi-span counterweight cable truss structure for channel covering of claim 4 wherein: the lower chord steel cable (3) is made of high-strength steel bars, steel strands or steel wire ropes, the two lower chord steel cables (3) which are symmetrically arranged are in a fusiform shape in a surrounding mode, the lower chord steel cables (3) located at two ends of a bank slope are fixed with the upright post (1), and the lower chord steel cables (3) located above the bottom of the channel are fixed with the precast concrete annular post (7).
6. The multi-span counterweight cable truss structure for channel covering of 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).
7. The multi-span counterweight type cable truss structure for channel covering according to claim 5 or 6, wherein: the length of the upper chord section steel (2) is between 30 and 80 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377770.XU CN216141987U (en) | 2021-06-21 | 2021-06-21 | Multi-span counterweight type cable truss structure for covering channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377770.XU CN216141987U (en) | 2021-06-21 | 2021-06-21 | Multi-span counterweight type cable truss structure for covering channel |
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| Publication Number | Publication Date |
|---|---|
| CN216141987U true CN216141987U (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121377770.XU Active CN216141987U (en) | 2021-06-21 | 2021-06-21 | Multi-span counterweight type cable truss structure for covering channel |
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| CN (1) | CN216141987U (en) |
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2021
- 2021-06-21 CN CN202121377770.XU patent/CN216141987U/en active Active
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