CN114123064B - Integral assembled cable bridge sunshade device easy to overhaul and application - Google Patents
Integral assembled cable bridge sunshade device easy to overhaul and application Download PDFInfo
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- CN114123064B CN114123064B CN202111383585.6A CN202111383585A CN114123064B CN 114123064 B CN114123064 B CN 114123064B CN 202111383585 A CN202111383585 A CN 202111383585A CN 114123064 B CN114123064 B CN 114123064B
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- 238000012423 maintenance Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 101150097977 arch-1 gene Proteins 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
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- Engineering & Computer Science (AREA)
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Abstract
The invention provides a cable bridge sunshade device which is integrally assembled and easy to overhaul and an application thereof, wherein X-shaped cross connection is carried out on the top parts of main arches at two sides through the whole of different sunshade device units so as to form a sunshade peripheral protection whole which covers the whole bridge and has stable stress, thereby greatly improving the construction efficiency; the sun-shading device arrangement of the bridge frame with different spans is adapted by adjusting the relative included angle of the two main arches and the spacing between the secondary arches; the flexible and effective connection of the primary arch and the secondary arch in the same unit and between different units is realized through the horizontal connecting pipe with rotatable angles; the flexible shading material is rolled in the main beam to realize the opening and closing of the top of the shading device, so that convenience and space are provided for the overhaul of the cable on the bridge; the reliable wind resistance of the sun-shading enclosure structure is realized by arranging the tensioned cross stay ropes. The cable bridge sunshade device provided by the invention has the advantages of simplicity and convenience in integral assembly, high assembly degree, wide applicable bridge structure types, convenience in cable overhaul, reliability in wind resistance and the like.
Description
Technical Field
The invention belongs to the technical field of power transmission engineering, and particularly relates to a cable bridge sunshade device which is integrally assembled and is easy to overhaul and application.
Technical Field
Along with the expansion of urban areas and continuous matched upgrading of urban construction in China, the number and scale of high-voltage cable projects in a power transmission line are in a rapid rising trend.
The high-voltage cable is laid in complex landforms such as rivers, and compared with the high-cost and high-difficulty construction required by underground open caisson excavation and laying, the method for erecting the cable is an effective cable erection mode by adopting a steel structure bridge form to span the fields such as rivers, beach weak soil layers, roads with dense pipelines and the like. The structure is visual and clear, the quality is practical and controllable, the manufacturing cost is obviously reduced compared with the trenchless jacking pipe, and the structure has better technical and economic indexes.
In order to protect the cables laid on the bridge, it is generally necessary to shade the top of the bridge. At present, the traditional method is to adopt a rigid sunshade roof (such as a color steel plate) which is connected with the main body bridge frame into a whole, and the fixed maintenance structure not only increases the dead weight of the structure, but also is not beneficial to the overhaul and maintenance of cables in the bridge frame, and has higher construction and manufacturing cost. In order to meet the sunshade effect of the steel structure cable bridge with different spans and different complex forms (such as arched and continuous beam), a light type standardized peripheral protection sunshade device which has high integral assembly degree, convenient construction and easy cable overhaul in the bridge is developed, the economic benefit of the engineering can be obviously improved, and the market application prospect is wide.
Disclosure of Invention
A first object of the present invention is to provide a cable tray sunshade device that is integrally assembled for easy access, thereby providing a light and reliable sunshade enclosure for different forms of cable tray projects.
For this purpose, the above object of the present invention is achieved by adopting the following technical solutions:
the utility model provides a whole cable testing bridge solar protection devices that can assemble easy maintenance which characterized in that: the integrated cable bridge sunshade device capable of being assembled and overhauled easily comprises an east main arch and a west main arch which are symmetrically arranged at two ends of the east and the west, a main beam connecting the tops of the east main arch and the west main arch, and a secondary arch which is arranged in parallel in the direction perpendicular to the main beam between the two main arches;
the top parts of the east main arch and the west main arch are connected with the main beam through a spherical hinge, a plurality of connecting end plates which are arranged in different directions are reserved on the spherical hinge so that the main arches of the adjacent sun-shading device units can be connected in the spherical hinge, and the adjacent west main arches and the east main arches or the east main arches and the west main arches are mutually and cross-connected at the spherical hinge to form an X-shaped space stress stable supporting structure so as to meet the full coverage of the upper surface of the arch cable bridge frame in a special bottom form;
the tops of the secondary arches are rigidly connected with the main beam, and horizontal connecting rods for connecting adjacent secondary arches are arranged between arch legs of the secondary arches;
one end arch feet in the same direction of the secondary arches close to the east main arch and the west main arch are respectively and directly connected with the corresponding end arch feet of the east main arch and the west main arch, and the other end arch feet are connected with the corresponding end arch feet of the east main arch and the west main arch through horizontal connecting rods, so that the east main arch, the west main arch and the horizontal connecting rods form a plane arrangement structure in a trapezoid form;
two flexible shading materials are arranged at the top of a single sunshade device unit by taking the main beam as a dividing line, the upper end of each flexible shading material is fixed with the main beam, and the lower end of each flexible shading material is fixed with a horizontal connecting rod;
two guy cables which are crossed in an X shape are arranged in a single curved surface formed by the horizontal connecting rods at the adjacent secondary arches, the top main girder and the arch feet, two ends of the guy cables are respectively fixed on the main girder and the horizontal connecting rods, and the guy cables are positioned at the outer side of the flexible shading material so as to limit and fix the flexible shading material together with the main body structures of the horizontal connecting rods at the adjacent secondary arches, the top main girder and the arch feet.
The invention can also adopt or combine the following technical proposal when adopting the technical proposal:
as a preferable technical scheme of the invention: the arch feet of the east main arch and the west main arch are fixed with the main rod of the arch cable bridge rack through the foot supports.
As a preferable technical scheme of the invention: the foot support is fixed with the main rod of the arched cable bridge by adopting a bolt hoop mode so as to facilitate the position installation and adjustment of the sunshade device unit.
As a preferable technical scheme of the invention: the flexible shading material is provided with a connecting buckle at a corresponding position at the intersection point of the two inhaul cables crossing in an X shape in a single curved surface so as to fix the flexible shading material to the intersection point of the two inhaul cables crossing in the X shape.
As a preferable technical scheme of the invention: the main beam is internally provided with two parallel rollers which are parallel to the length direction of the main beam, the main beam is provided with through long openings along the two side surfaces of the length direction of the main beam, the upper ends of the flexible shading materials respectively penetrate through the through long openings at the two sides of the main beam and are respectively fixed with the two parallel rollers in the main beam, and each shading material can be rolled and contracted into the main beam along with the rotation of the horizontal rollers, so that the top of the sunshade device is opened and closed, and space and convenience are provided for cable overhaul on an arch cable bridge.
As a preferable technical scheme of the invention: the girder bottom is equipped with the fluting so as to hold the top of secondary arch so that secondary vault portion can remove or fix along the bottom fluting of girder to it is required when convenient secondary roof beam top interval adjustment and different solar protection device units connect.
As a preferable technical scheme of the invention: grooves are formed in the tops of the horizontal connecting rods, so that the lower ends of the flexible shading materials are inserted into the grooves.
As a preferable technical scheme of the invention: a first vertical sleeve is sleeved on the arch feet of the east and west main arches, two sides of the first vertical sleeve are respectively provided with a horizontal connecting pipe, and the angle between the horizontal connecting pipes and the first vertical sleeve can be adjusted;
a second vertical sleeve is sleeved on the arch foot of the secondary arch adjacent to the east and west main arches, a horizontal connecting pipe is arranged on one side of the second vertical sleeve, the angle between the horizontal connecting pipe and the second vertical sleeve is adjustable, and the other side of the second vertical sleeve is directly fixed with a horizontal connecting rod;
the horizontal connecting pipe on one side of the first vertical sleeve is connected with the horizontal connecting pipe on one side of the second vertical sleeve through a horizontal connecting rod, and the horizontal connecting pipe on the other side of the first vertical sleeve is reserved for the horizontal connecting rod of the secondary arch foot on the adjacent splicing unit.
As a preferable technical scheme of the invention: for a single sunshade unit, the flexible shading material is square, the arrangement length of the flexible shading material is the same as that of the main beam, and the plane arrangement width of the flexible shading material is the same as that of the secondary arch plane;
the flexible shading materials are respectively provided with splicing zippers at two sides corresponding to the east main arch and the west main arch so as to facilitate the integral splicing of the flexible shading materials when the adjacent sunshade device units are integrally spliced.
As a preferable technical scheme of the invention: the secondary arch and the horizontal connecting rod can be made of light and high-strength materials so as to lighten the weight of the sun-shading device and reduce the stress of the bridge structure.
It is a further object of the present invention to provide the use of an integrally mountable and easy to service cable tray sunshade according to the above-mentioned description for arched cable trays, in view of the deficiencies of the prior art.
The invention provides a cable bridge sunshade device which is integrally assembled and easy to overhaul and an application thereof, wherein X-shaped cross connection is carried out on the top parts of main arches at two sides through the whole of different sunshade device units so as to form a sunshade peripheral protection whole which covers the whole bridge and has stable stress, thereby greatly improving the construction efficiency; the sun-shading device arrangement of the bridge frame with different spans is adapted by adjusting the relative included angle of the two main arches and the spacing between the secondary arches; the flexible and effective connection of the primary arch and the secondary arch in the same unit and between different units is realized through the horizontal connecting pipe with rotatable angles; the flexible shading material is rolled in the main beam to realize the opening and closing of the top of the shading device, so that convenience and space are provided for the overhaul of the cable on the bridge; the reliable wind resistance of the sun-shading enclosure structure is realized by arranging the tensioned cross stay ropes. The cable bridge sunshade device which is integrally assembled and easy to overhaul, provided by the invention, has the advantages of simplicity and convenience in integral assembly, high assembly degree, wide applicable bridge structure types, convenience in cable overhaul, reliability in wind resistance and the like.
Drawings
Fig. 1 is a plan view of an integrally assembled and easily overhauled cable bridge sunshade device provided by the invention.
Fig. 2 is a cross-sectional view of the cable bridge sunshade device provided by the invention, which is integrally assembled and easy to overhaul.
Fig. 3 is a side view of the integrated cable bridge sunshade device provided by the invention, which is easy to assemble and overhaul.
Fig. 4 is an interior floor plan view of the main beam.
Fig. 5 is a diagram illustrating the connection of the primary arch, secondary arch and horizontal link.
Fig. 6 is a splice illustration of two adjacent sun shade units.
Fig. 7 is a schematic illustration of the application of the integrally assembled and easily overhauled cable bridge sunshade device provided by the invention to an arched cable bridge.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the scope of the present invention is not limited to the following examples. Any modifications and variations made to the present invention fall within the spirit of the invention and the scope of the appended claims.
As shown in fig. 1 to 7, an integrally mountable and easy-to-overhaul cable bridge sunshade device comprises: the main arches 1 and 2 on the east and west sides, a main girder 3 connected with the tops of the main arches on the east and west sides, and a secondary arch 5 arranged in parallel between the main arches on the east and west sides and perpendicular to the main girder direction. The main arches 1 and 2 are arranged to form a certain included angle, and the included angle can be determined according to the arrangement requirement of the sunshade device on the integral bridge. The main beam 3 is connected with the tops of the main arches 1 and 2 by a spherical hinge 4. The spherical hinge 4 is reserved with connecting end plates with different angles so as to meet the connection of main arches of different sun-shading devices. The different sun-shading device units are mutually and cross-connected at the hinge point 4 through the main arch to form an X-shaped supporting structure with stable space stress, so that the assembly of the different units is realized, and the light-shading maintenance requirement of a special type cable bridge (for example, an arch-shaped cable bridge in fig. 7) can be met. The top of the secondary arch 5 is rigidly connected with the main beam 3. The arch feet of the main arches 1 and 2 are connected with the main rod of the bridge frame through the foot supports 13, while the secondary arch feet are not connected with the main rod of the bridge frame. Adjacent secondary arch springes are connected by a horizontal connecting rod 6. The south-side legs of the main arches 1 and 2 are connected to the south-side legs of the adjacent secondary arches by links 7, respectively. The north-side legs of the main arches 1 and 2 are directly connected to the north-side legs of the adjacent secondary arches.
The main arch and the secondary arch are distributed with flexible shading materials, and the flexible shading materials are divided into a south shading material 9 and a north shading material 8 by taking a main beam as a boundary. The upper ends of the shading materials 8 and 9 are connected with the main beam 3, and the lower ends are connected with the horizontal connecting rods 6 and 7. In the curved surface formed by the adjacent secondary arches 5, the bottom horizontal connecting rod 6 and the top main beam 3, two crossed inhaul cables 10 are arranged along two diagonal directions, the inhaul cables 10 are positioned on the outer surface of the shading material, and the inhaul cable intersection point is connected with a connecting ring 11 at the center of the curved surface shading material.
The front and back sides of the girder 3 are provided with through long openings, two parallel rollers 14 and 15 parallel to the length direction of the girder are installed in the girder 3, and the center of the parallel rollers 14/15 can be slightly higher than the centers of the openings at the two sides. The upper ends of the south and north flexible shading materials 9/8 are respectively connected with parallel rollers 14/15 in the main beam through openings on two sides of the beam, and each side of the shading materials can shrink into the main beam along with the rotation of the rollers, so that the top of the sunshade device is opened and closed. The bottom of the main beam 3 is provided with a slot, the top of the secondary arch 5 is embedded into the slot at the bottom of the main beam 3, and the top of the secondary arch 5 can slide or be fixed along the bottom of the main beam so as to adjust the distance and the position of the secondary beam.
The horizontal connecting rod 7 between the primary arch and the secondary arch is designed to be detachable. When the different sunshade units are connected, the horizontal connecting rod 7 is removed firstly, and after the cross connection of the main arches of the different sunshade units is completed, the horizontal connecting rod 7 is installed at the same side arch foot position of the two intersecting main arches. The tops of the horizontal links 6 and 7 are each provided with a groove to connect with the bottom of the flexible light shielding material. The horizontal connecting rod 6 is a horizontal telescopic member so as to adjust the distance between the secondary arch feet, and when the horizontal connecting rod is synchronously adjusted with the secondary arch feet, the adjustment of the secondary arch position can be realized, thereby being convenient for the flexible connection of different sunshade device units.
The arch springing of the main arch 1/2 is connected with a vertical sleeve 18, and two sides of the vertical sleeve 18 are respectively connected with angle-adjustable horizontal connecting pipes 19 and 20. The legs of the secondary arches 5 adjacent to the primary arch are connected to the vertical sleeves 16. The vertical sleeve 16 is connected with a horizontal connecting pipe 17 with an adjustable angle at one side. The horizontal connecting pipe 19 on one side of the arch foot of the main arch 1/2 is connected with the horizontal connecting pipe 17 of the arch foot of the adjacent secondary arch 5 through the detachable horizontal connecting rod 7, and the horizontal connecting pipe 20 on the other side of the arch foot of the main arch 1/2 is a reserved member so as to be connected with the secondary arch of different sunshade device units through the horizontal connecting rod.
The arrangement length of the flexible light shielding material is the same as the length of the main beam, and the planar arrangement width of the flexible light shielding material is the same as the planar width of the secondary arch, as indicated by the broken line in fig. 1. The flexible shading material 8/9 is provided with splicing zippers on the two sides so that different shading device units can be used for connecting shading cloths of different units at the splicing positions.
A connecting ring buckle 11 is arranged at the central position of the flexible shading material between the adjacent secondary arches, and the connecting ring buckle 11 is connected with the inhaul cable 10 at a crossing position. After the light shielding material is disposed, the cross-guy wires 10 are tensioned to reduce wind vibration. The inner surface of the sunshade material can be provided with a certain flexible connecting ring buckle along the main arch direction and the secondary arch direction so as to be connected with the main arch and the secondary arch, and the risk of wind-induced damage is further reduced.
The foot support 13 is connected with the main rod 12 of the bridge by adopting an annular bolt hoop so as to facilitate the position installation and adjustment.
The secondary arch and the horizontal connecting rod can be made of light high-strength plastic so as to reduce the load of the bridge structure.
The above detailed description is intended to illustrate the present invention by way of example only and not to limit the invention to the particular embodiments disclosed, but to limit the invention to the precise embodiments disclosed, and any modifications, equivalents, improvements, etc. that fall within the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a whole cable testing bridge solar protection devices that can assemble easy maintenance which characterized in that: the integrated cable bridge sunshade device capable of being assembled and overhauled comprises a sunshade device unit, wherein the sunshade device unit comprises an east main arch and a west main arch which are symmetrically arranged at the two ends of things, a main beam connecting the tops of the east main arch and the west main arch, and a secondary arch which is arranged in parallel in the direction perpendicular to the main beam between the two main arches;
the top parts of the east main arch and the west main arch are connected with the main beam through a spherical hinge, a plurality of connecting end plates which are arranged in different directions are reserved on the spherical hinge so as to be connected with the east main arch or the west main arch of the adjacent sun-shading device unit, so that the adjacent east main arch and the adjacent west main arch or the west main arch and the adjacent east main arch are mutually and cross-connected at the spherical hinge to form an X-shaped space stress stable supporting structure, and the full coverage of the upper surface of the arch cable bridge with the special bottom form is met;
the tops of the secondary arches are rigidly connected with the main beam, and horizontal connecting rods for connecting adjacent secondary arches are arranged between arch legs of the secondary arches;
one end arch feet in the same direction, which are close to the secondary arches of the east main arch and the west main arch respectively, are directly connected with the corresponding end arch feet of the east main arch and the west main arch respectively, and the other end arch feet are connected with the corresponding end arch feet of the east main arch and the west main arch through horizontal connecting rods, so that the east main arch and the west main arch form a plane arrangement structure in a trapezoid form with the horizontal connecting rods;
two flexible shading materials are arranged at the top of a single sunshade device unit by taking the main beam as a dividing line, the upper end of each flexible shading material is fixed with the main beam, and the lower end of each flexible shading material is fixed with a horizontal connecting rod;
two stay ropes which are crossed in an X shape are arranged in a single curved surface formed by the horizontal connecting rods at the adjacent two secondary arches, the top main girder and the arch feet, two ends of each stay rope are respectively fixed on the main girder and the horizontal connecting rod, and the stay ropes are positioned at the outer sides of the flexible shading materials so as to limit and fix the flexible shading materials together with the main body structures of the horizontal connecting rods at the adjacent two secondary arches, the top main girder and the arch feet;
the arch feet of the east main arch and the west main arch are fixed with the main rod of the arch cable bridge rack through foot supports;
the flexible shading material is provided with a connecting ring buckle at the corresponding position of the intersection point of the two inhaul cables crossing in an X shape in a single curved surface so as to fix the flexible shading material to the intersection point of the two inhaul cables crossing in the X shape;
the flexible shading material is characterized in that two parallel rollers parallel to the length direction of the main beam are arranged in the main beam, through long openings are formed in the two side surfaces of the main beam along the length direction of the main beam, the upper ends of the flexible shading materials respectively penetrate through the through long openings in the two sides of the main beam and are respectively fixed with the two parallel rollers in the main beam, and each shading material is rolled and contracted into the main beam along with the rotation of the horizontal rollers, so that the top of the shading device is opened and closed, and space and convenience are provided for overhauling cables on an arch cable bridge;
the bottom of the main beam is provided with a slot for accommodating the top of the secondary arch so that the secondary arch crown can move or be fixed along the slot at the bottom of the main beam, thereby being convenient for adjusting the distance between the top of the secondary beam and being required when different sunshade device units are connected;
the arch feet of the east main arch and the west main arch are sleeved with first vertical sleeves, two sides of each first vertical sleeve are respectively provided with a horizontal connecting pipe, and the angle between each horizontal connecting pipe and each first vertical sleeve can be adjusted;
a second vertical sleeve is sleeved on the arch springing of the secondary arch adjacent to the east main arch and the west main arch, a horizontal connecting pipe is arranged on one side of the second vertical sleeve, the angle between the horizontal connecting pipe and the second vertical sleeve is adjustable, and the other side of the second vertical sleeve is directly fixed with a horizontal connecting rod;
the horizontal connecting pipe at one side of the first vertical sleeve is connected with the horizontal connecting pipe at one side of the second vertical sleeve through a horizontal connecting rod, and the horizontal connecting pipe at the other side of the first vertical sleeve is reserved for the horizontal connecting rod of the secondary arch foot on the adjacent splicing unit;
for a single sunshade unit, the flexible shading material is square, the arrangement length of the flexible shading material is the same as that of the main beam, and the plane arrangement width of the flexible shading material is the same as that of the secondary arch plane;
the flexible shading materials are respectively provided with splicing zippers at two sides corresponding to the east main arch and the west main arch so as to facilitate the integral splicing of the flexible shading materials when the adjacent sunshade device units are integrally spliced.
2. The integrally mountable and easy-to-overhaul cable bridge sunshade device according to claim 1, wherein the foot support is fixed with the main rod of the arched cable bridge in a bolt hoop manner so as to facilitate the position installation and adjustment of the sunshade device unit.
3. The integrally mountable and easy-to-service cable tray sun-shading device according to claim 1, wherein: grooves are formed in the tops of the horizontal connecting rods, so that the lower ends of the flexible shading materials are inserted into the grooves.
4. Use of an integrally mountable and easy to service cable tray sun-shading device according to any one of claims 1-3 on an arch-shaped cable tray.
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| CN202111383585.6A CN114123064B (en) | 2021-11-22 | 2021-11-22 | Integral assembled cable bridge sunshade device easy to overhaul and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111383585.6A CN114123064B (en) | 2021-11-22 | 2021-11-22 | Integral assembled cable bridge sunshade device easy to overhaul and application |
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| CN114123064B true CN114123064B (en) | 2024-03-29 |
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