CN220022665U - Long-distance sectionally-tensioned large-span flexible support - Google Patents
Long-distance sectionally-tensioned large-span flexible support Download PDFInfo
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- CN220022665U CN220022665U CN202320752081.5U CN202320752081U CN220022665U CN 220022665 U CN220022665 U CN 220022665U CN 202320752081 U CN202320752081 U CN 202320752081U CN 220022665 U CN220022665 U CN 220022665U
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- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000011150 reinforced concrete Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 4
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- 238000000429 assembly Methods 0.000 abstract description 2
- 238000012876 topography Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 230000000295 complement effect Effects 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model belongs to the technical field of long-distance large-span overhead arrangement of photovoltaic project assemblies, and particularly relates to a long-distance sectionally-tensioned large-span flexible support. The utility model is organically composed of two terminal supporting mechanisms, a plurality of linear supporting mechanisms, a plurality of tension supporting mechanisms and a prestressed anchor cable. The utility model can effectively avoid the problem of insufficient prestress at the large middle of the two ends of the prestress due to the tensioning of one side or the two ends of the prestress anchor cable under the long-distance and large-span condition by the segmented tensioning function of the prestress anchor cable. The utility model realizes the overhead and crossing arrangement of the photovoltaic module in the traditional plain topography and various complex terrains, has special requirements on land occupation such as agricultural light complementation and the module ground clearance height, and can effectively reduce the occupied area and control the module ground clearance.
Description
Technical Field
The utility model belongs to the technical field of long-distance large-span overhead arrangement of photovoltaic project assemblies, and particularly relates to a long-distance sectionally-tensioned large-span flexible support.
Background
Along with the proposal of the national 'double carbon' strategic target, china starts to accelerate the construction of a 'new power system taking new energy as a main body', and the new energy photovoltaic industry obtains a new round of rapid development. However, with the tightening of national land policies, the open-land photovoltaic land is gradually turned from traffic and construction-convenient flat land to various complex terrains.
In the photovoltaic project of different topography, can not avoid meeting the condition that photovoltaic module needs long-distance large-span continuous arrangement, traditional flexible support can't realize long distance continuous arrangement, and prestressing force anchor rope when length overlength, prestressing force tensioning can appear prestressing force both ends big middle prestressing force not enough problem, be difficult to guarantee the structural rigidity in the middle of the prestressing force cable, stability and the ground height of requirement. Under the condition that special requirements on the component ground clearance are met for agricultural light complementary photovoltaic projects and the like, if insufficient prestressing force is applied to the prestressing anchor cable, the ground clearance of the lowest point of the anchor cable is too low, and the ground clearance of the components installed near the lowest point does not meet the requirements of agricultural light complementary operation.
Disclosure of Invention
The utility model provides a long-distance sectionally-stretching large-span flexible support, and aims to provide a large-span support which can be suitable for traditional plain terrains and various complex terrains, can realize the requirement of long-distance large-span overhead arrangement of photovoltaic project components, and can solve the problem of large middle deficiency of two ends of a pre-stress applied by a pre-stress anchor cable with overlong length; and the second aim is to provide a large-span bracket capable of ensuring the structural rigidity, stability and the requirements on the ground height of the middle of the prestressed cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a long-distance sectionally-tensioned large-span flexible support comprises two terminal supporting mechanisms, a plurality of linear supporting mechanisms, a plurality of tension-resisting supporting mechanisms and a pre-stress anchor cable; the tension supporting mechanisms are respectively arranged between the two terminal supporting mechanisms; the plurality of linear supporting mechanisms are respectively arranged between each terminal supporting mechanism and the tension supporting mechanism and between the adjacent tension supporting mechanisms; the two ends of the prestressed anchor cable are connected with the two terminal supporting mechanisms, and the middle part of the prestressed anchor cable is connected with the linear supporting mechanism between the two terminal supporting mechanisms and the top of the tension-resisting supporting mechanism; the two terminal supporting mechanisms, the plurality of linear supporting mechanisms and the plurality of tension supporting mechanisms are arranged in a linear manner; different tensioning sections are arranged between each terminal supporting mechanism and the adjacent tension supporting mechanism; the length of each stretching section is 30-80 m.
The spacing between two adjacent linear supporting mechanisms, between the terminal supporting mechanism and the adjacent linear supporting mechanism and between the linear supporting mechanism and the adjacent tension supporting mechanism is 10-30 m.
Each terminal support mechanism comprises at least three terminal brackets and a terminal foundation; the terminal foundation is of a solid reinforced concrete foundation structure, and an embedded part is arranged at the top of the terminal foundation; the terminal bracket is fixedly connected to the terminal foundation through the embedded part; three terminal brackets are connected on the terminal foundation in a straight shape; adjacent terminal brackets are connected into a whole through transverse supports; the central connecting line of the three terminal brackets is vertical to the extending direction of the prestressed anchor cable.
Each terminal bracket is of a herringbone structure made of Q355 steel, and the top of each terminal bracket is horizontally connected with a first connecting plate; the upper surface of the first connecting plate is fixedly connected with a terminal anchor, and the side wall of the terminal anchor is fixedly connected with a prestress anchor through a first unilateral wedge-shaped anchor block; the prestressed anchorage device, the first unilateral wedge-shaped anchor block and the terminal anchor seat are provided with through holes which penetrate through the prestressed anchorage cable, the first unilateral wedge-shaped anchor block and the terminal anchor seat and are used for passing through the prestressed anchorage cable.
Each linear supporting mechanism comprises a linear bracket and a linear foundation; at least three linear brackets are arranged; the three linear brackets are vertically connected to the top of the linear foundation in a straight shape; adjacent linear brackets are connected into a whole through transverse supports; the connecting line of the three linear brackets is vertical to the extending direction of the prestressed anchor cable.
The linear foundation adopts a precast tubular pile or a concrete filling pile, the pile top is higher than the ground, and the top surface of the linear foundation is provided with an embedded part used for being connected with the linear support.
The distance between the pile top and the ground is 1.5-2.5 m.
The linear bracket is a steel upright post structure with a rectangular cross section and made of Q355 steel; the top of the linear bracket is connected with a linear cable connecting seat for the passage of the prestressed anchor cable; the linear cable connecting seat is of a circular ring structure made of I-level steel bars or Q235 steel plates.
The tension supporting mechanism comprises a tension foundation and at least three tension supporting units; the tension-resistant foundation is a solid reinforced concrete foundation structure, and an embedded part is arranged at the top of the tension-resistant foundation; three Zhang Zhicheng units are connected on the tension-resistant basis in a straight shape; adjacent terminal supporting units are connected into a whole through transverse supports; the central connecting line of the three tension-resistant supporting units is perpendicular to the extending direction of the prestressed anchorage cable.
Each tension supporting unit comprises a herringbone tension bracket; the tension bracket is made of Q355 steel; the top end of the tension bracket is horizontally connected with a second connecting plate, the upper surface of the second connecting plate is fixedly connected with a tension anchor seat, two opposite side surfaces of the tension anchor Zhang Mao are respectively and fixedly connected with a second single-side wedge-shaped anchor block, and each second single-side wedge-shaped anchor block is fixedly connected with a prestress anchor; the second single-side wedge-shaped anchor blocks at the two sides have height differences; and a through hole for the prestressed anchor cable to pass through is formed among the prestressed anchor device on each side, the second single-side wedge-shaped anchor block and the tension anchor seat.
The beneficial effects are that:
(1) The utility model is composed of two terminal supporting mechanisms, a plurality of linear supporting mechanisms, a plurality of tension supporting mechanisms and a prestressed anchor cable. According to the utility model, the problem of prestress attenuation when the length of the prestress anchor cable is overlong is effectively avoided by the segmented tensioning function of the prestress anchor cable, and the photovoltaic bracket has flexibility due to the arrangement of the prestress anchor cable.
(2) According to the utility model, a novel photovoltaic flexible support structure system capable of being arranged in a long distance is formed through the two terminal supporting mechanisms, the plurality of linear supporting mechanisms and the plurality of tension supporting mechanisms, the overhead and crossing arrangement of photovoltaic modules under various complex terrains can be realized, special requirements on land occupation and module ground clearance height such as agricultural light complementation are met, and the occupied area and the control module ground clearance height can be effectively reduced.
(3) According to the utility model, due to the arrangement of the first single-side wedge-shaped anchor block and the second single-side wedge-shaped anchor block, the resistance caused by sagging of the prestressed anchor cable when the prestressed anchor cable passes through the terminal supporting mechanism and the tension supporting mechanism is reduced.
The foregoing description is only an overview of the technical solution of the present utility model, and in order to make the technical means of the present utility model more clearly understood, it can be implemented according to the content of the specification, and the following detailed description of the preferred embodiments of the present utility model will be given with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a side view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is an enlarged view of detail a in fig. 1.
Fig. 4 is an enlarged view of detail b in fig. 1.
Fig. 5 is an enlarged view of detail c in fig. 1.
In the figure: 1. a terminal bracket; 2. a second single-sided wedge anchor block; 3. a linear bracket; 4. a tension bracket; 5. a terminal base; 6. a straight line foundation; 7. a tension base; 8. a terminal anchor; 9. a prestressed anchorage device; 10. a linear cable connecting seat; 11. zhang Mao resistance; 12. pre-stress anchor cables; 13. a photovoltaic module; 14. a first single-sided wedge anchor block; 15. a first connection plate; 16. and a second connecting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
a long-distance sectionally-tensable long-span flexible support according to the figures 1-5 comprises two terminal support mechanisms, a plurality of linear support mechanisms, a plurality of tension-resistant support mechanisms and a pre-stressed anchor cable 12; the tension supporting mechanisms are respectively arranged between the two terminal supporting mechanisms; the plurality of linear supporting mechanisms are respectively arranged between each terminal supporting mechanism and the tension supporting mechanism and between the adjacent tension supporting mechanisms; the two ends of the pre-stressed anchor cable 12 are connected with two terminal supporting mechanisms, and the middle part of the pre-stressed anchor cable 12 is connected with the top of the linear supporting mechanism and the top of the tension-resisting supporting mechanism between the two terminal supporting mechanisms; the two terminal supporting mechanisms, the plurality of linear supporting mechanisms and the plurality of tension supporting mechanisms are arranged in a linear manner; different tensioning sections are arranged between each terminal supporting mechanism and the adjacent tension supporting mechanism; the length of each stretching section is 30-80 m.
When in actual use, firstly, constructing the foundation of the two terminal supporting mechanisms, the plurality of linear supporting mechanisms and the plurality of tension supporting mechanisms, and after the strength of the concrete meets the requirement, installing and fixing the two terminal supporting mechanisms, the plurality of linear supporting mechanisms and the plurality of tension supporting mechanisms for fixed connection; connecting the prestressed anchor cable 12 with the tops of the linear supporting mechanisms and the tension-resisting supporting mechanisms sequentially from the terminal supporting mechanism on one side to the terminal supporting mechanism on the other side; and then, stretching the prestressed anchor cable 12 according to the segmented stretching sections, and after stretching, stably fixing the end parts of the stretching sections by using anchors, thereby completing the installation of the photovoltaic flexible support.
The utility model is suitable for the situation of long-distance continuous overhead arrangement of the photovoltaic project components, and can be suitable for traditional plain terrains, various mountainous regions and other complex terrains. The utility model divides the main supporting structure into three types according to the arrangement position and the stress characteristics: terminal supporting mechanism, sharp supporting mechanism and strain support mechanism through the repeated setting of different grade type bearing structure in length direction, have realized the long distance arrangement of photovoltaic support. Due to the arrangement of the pre-stress anchor cable, the photovoltaic bracket has flexibility.
The utility model effectively avoids the problem of prestress attenuation when the length of the prestress anchor cable is overlong through the segmented tensioning function of the prestress anchor cable.
The prestressed anchor cable 12 in this embodiment is made of steel strands, and is an industry mature product.
The utility model can realize the overhead and crossing arrangement of the photovoltaic modules 13 under various complex terrains, has special requirements on land occupation such as agricultural and optical complementation and the height of modules from the ground, and can effectively reduce the occupied area and control the height of modules to the ground. And the structure is simple, the construction is convenient, and the popularization and application value is high.
Embodiment two:
a long distance, sectionally tensionable, large span flexible stent according to the embodiment shown in fig. 1 and 2 differs from the one in that: the spacing between two adjacent linear supporting mechanisms, between the terminal supporting mechanism and the adjacent linear supporting mechanism and between the linear supporting mechanism and the adjacent tension supporting mechanism is 10-30 m.
In actual use, the terminal supporting mechanisms are distributed at two ends and bear the unilateral tension of the prestressed anchor cable 12; the linear supporting mechanism is distributed in the middle of each prestress tensioning section and mainly transmits vertical force; the tension supporting mechanism is distributed in the middle of the bracket structure system. After the prestress cable is tensioned in a segmented mode, various loads transmitted by the photovoltaic module 13 are borne through an integral structure formed by the prestress cable and each supporting mechanism.
By adopting the technical scheme, the utility model can better solve the problem of prestress attenuation.
Embodiment III:
a long-distance, sectionally-tensable, long-span flexible stent according to the embodiment shown in fig. 1 and 2 differs from the first or second embodiments in that: each of said terminal support mechanisms comprises at least three terminal brackets 1 and a terminal base 5; the terminal foundation 5 is of a solid reinforced concrete foundation structure, and an embedded part is arranged at the top of the terminal foundation; the terminal bracket 1 is fixedly connected to the terminal foundation 5 through an embedded part; three terminal brackets 1 are connected on a terminal foundation 5 in a straight shape; adjacent terminal brackets 1 are connected into a whole through transverse support; the central connecting line of the three terminal brackets 1 is perpendicular to the extending direction of the prestressed anchorage cable 12.
In practical use, the terminal supporting mechanism adopts the technical scheme, so that an integral structure can be formed, and the single-side tension of the prestressed anchor cable 12 can be well born.
The upper part of the terminal foundation 5 in the embodiment is connected with the terminal bracket 1 by welding through an embedded part or by adopting an anchor bolt. The structural style, the section and the material can be customized according to the requirement, and the stress requirement can be met.
In a specific application, n-1 rows of photovoltaic modules 13 can be arranged by arranging n terminal brackets 1. In specific application, the number of the terminal brackets 1 can also be designed according to the number of rows of the actual photovoltaic modules 13.
Embodiment four:
a long-distance, sectionally-tensionable, large-span flexible stent according to the embodiment shown in fig. 1-3 differs from the third embodiment in that: each terminal bracket 1 is of a herringbone structure made of Q355 steel, and the top of the terminal bracket 1 is horizontally connected with a first connecting plate 15; the upper surface of the first connecting plate 15 is fixedly connected with a terminal anchor seat 8, and the side wall of the terminal anchor seat 8 is fixedly connected with a prestress anchor 9 through a first single-side wedge-shaped anchor block 14; the prestressed anchorage 9, the first unilateral wedge-shaped anchor block 14 and the terminal anchor seat 8 are provided with through holes which penetrate through the prestressed anchorage cable 12.
When in actual use, the terminal bracket 1 adopts the technical scheme, so that the materials are convenient to obtain, the cost is lower, and the strength requirement can be met.
In specific application, the structural form, the section and the materials of the terminal bracket 1 can be determined according to actual conditions, so as to meet the stress requirement.
The terminal anchor 8 in this embodiment is welded to the first single-sided wedge anchor block 14, and the terminal anchor 8 is welded to the top of the terminal bracket 1. The terminal anchor 8 is used for tensioning and fixing the prestressed anchor cable 12 and the prestressed anchor 9.
Fifth embodiment:
a long-distance, segmentally-stretchable, large-span flexible stent according to the embodiment shown in fig. 1, 2 and 4 differs from the one in that: each linear supporting mechanism comprises a linear bracket 3 and a linear foundation 6; at least three linear brackets 3 are arranged; the three linear brackets 3 are vertically connected to the top of the linear foundation 6 in a straight shape; adjacent linear brackets 3 are connected into a whole through transverse supports; the connecting line of the three linear brackets 3 is perpendicular to the extending direction of the prestressed anchorage cable 12.
When in actual use, the linear supporting mechanisms are distributed in the middle of each prestress tensioning section and used for transmitting vertical force, but not horizontal force.
In the specific application, n linear supporting mechanisms are arranged to arrange n-1 rows of photovoltaic modules 13, so that the number of the linear supporting mechanisms can be designed according to the number of rows of the actual photovoltaic modules 13 in the specific application.
The height of the linear support 3 from the bottom surface can be determined according to practical requirements. For special projects such as agricultural and light complementary projects, the height of the photovoltaic module 13 to ground cannot be lower than the policy prescribed value.
The number of the linear supporting mechanisms is the same as the number of the terminal supporting units in the terminal supporting mechanism.
Example six:
the long-distance sectionally-tensable long-span flexible support according to fig. 1 is different from the fifth embodiment in that: the linear foundation 6 adopts a precast tubular pile or a concrete filling pile, the pile top is higher than the ground, and the top surface of the linear foundation 6 is provided with an embedded part used for being connected with the linear bracket 3.
Further, the distance between the pile top and the ground is 1.5-2.5 m.
In actual use, the top surface of the linear foundation 6 is welded with the upright post of the linear bracket or connected by adopting an anchor bolt. The structural style, the section and the material can be customized according to the requirement, and the stress requirement can be met.
The distance between the pile top and the ground is set to be 1.5-2.5 m, so that the height of the linear bracket 3 connected with the upper part can be reduced, the consumption of steel is reduced, and the cost is saved.
Embodiment seven:
a long-distance, segmentally-stretchable, large-span flexible stent according to the embodiments shown in fig. 1, 2 and 4 differs from the sixth embodiment in that: the linear bracket 3 is a steel upright post structure with a rectangular cross section and made of Q355 steel; the top of the linear bracket 3 is connected with a linear cable connecting seat 10 for the passage of a pre-stress anchor cable 12; the linear cable connecting seat 10 is of a circular ring structure made of I-level steel bars or Q235 steel plates.
When in actual use, the linear bracket 3 adopts the technical scheme, so that the materials are conveniently obtained, and the cost is lower. In specific application, the structural type, the section and the material of the linear bracket 3 can be customized according to the requirement, and the stress requirement can be met.
In a specific application, the pre-stressed anchor cable 12 passes through the circular ring in the middle of the linear cable connecting seat 10, and vertical force is transmitted through the linear cable connecting seat 10. The inner side of the circular ring should be smooth or rounded.
Example eight:
a long-distance, segmentally-stretchable, large-span flexible stent according to the embodiments shown in fig. 1, 2 and 5 differs from the sixth embodiment in that: the tension supporting mechanism comprises a tension foundation 7 and at least three tension supporting units; the tension foundation 7 is a solid reinforced concrete foundation structure, and an embedded part is arranged at the top of the tension foundation; three Zhang Zhicheng units are connected on the tension foundation 7 in a straight shape; adjacent terminal supporting units are connected into a whole through transverse supports; the central line of the three tension-resistant supporting units is perpendicular to the extension direction of the prestressed anchorage cable 12.
In actual use, the tension base 7 and at least three tension support units form a whole for transmitting vertical and horizontal forces, which determines the number of segmented tension segments.
The tension-resistant foundation 7 in the embodiment is a solid reinforced concrete foundation structure, and the top of the tension-resistant foundation is connected with at least three tension-resistant supporting units through embedded parts in a welded mode or through foundation bolts. The structural style, the section and the material can be customized according to the requirement, and the stress requirement can be met.
In specific application, n tension supporting units are arranged to arrange n-1 rows of photovoltaic modules 13, so that the number of the tension supporting units can be designed according to the number of rows of actual photovoltaic modules 13.
The number of the tension supporting units is the same as the number of the linear supporting mechanisms and the number of the terminal supporting units in the terminal supporting mechanism.
Example nine:
a long-distance, segmentally-stretchable, large-span flexible stent according to the teachings of fig. 1, 2 and 5 differs from embodiment nine in that: each tension supporting unit comprises a herringbone tension bracket 4; the tension bracket 4 is made of Q355 steel; the top end of the tension bracket 4 is horizontally connected with a second connecting plate 16, the upper surface of the second connecting plate 16 is fixedly connected with a tension anchor 11, two opposite sides of the tension anchor 11 are respectively fixedly connected with a second single-side wedge-shaped anchor block 2, and each second single-side wedge-shaped anchor block 2 is fixedly connected with a prestress anchor 9; the second single-side wedge-shaped anchor blocks 2 on the two sides have a height difference; a through hole for the prestressed anchor cable 12 to pass through is arranged among the prestressed anchor 9 on each side, the second single-side wedge-shaped anchor block 2 and the tension anchor seat 11.
When in actual use, the tension supporting unit adopts the technical scheme, so that the tension supporting bracket 4 can be firmly fixed on the tension foundation 7, and the prestressed anchor cable 12 can smoothly pass through and bear and transmit vertical force and horizontal force.
The prestressed anchorage 9 in this embodiment is a state of the art, an industry mature product. The anchor ring is generally composed of an anchor ring and a clamping piece, wherein the anchor ring is generally made of 45# steel, and the clamping piece is made of 20CrMnTi alloy steel. The anchor rod is used for anchoring each tensioning section of a single prestressed cable, and can also customize sections and materials according to the needs so as to meet the stress requirement.
The prestressed anchorage 9 in this embodiment is an industry mature product, and is generally composed of an anchor ring and a clamping piece, wherein the anchor ring is generally made of 45# steel, and the clamping piece is made of 20CrMnTi alloy steel. The anchor rod is used for anchoring each tensioning section of a single prestressed cable, and can also customize sections and materials according to the needs so as to meet the stress requirement.
Under the condition of no conflict, the technical features related to the examples can be combined with each other according to actual situations by a person skilled in the art so as to achieve corresponding technical effects, and specific details of the combination situations are not described in detail herein.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
While the utility model is susceptible of embodiments in accordance with the preferred embodiments, the utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a long-span flexible support that can stretch by sections of long distance which characterized in that: the device comprises two terminal supporting mechanisms, a plurality of linear supporting mechanisms, a plurality of tension supporting mechanisms and a pre-stressed anchor cable (12); the tension supporting mechanisms are respectively arranged between the two terminal supporting mechanisms; the plurality of linear supporting mechanisms are respectively arranged between each terminal supporting mechanism and the tension supporting mechanism and between the adjacent tension supporting mechanisms; the two ends of the pre-stressed anchor cable (12) are connected with two terminal supporting mechanisms, and the middle part of the pre-stressed anchor cable (12) is connected with the linear supporting mechanism between the two terminal supporting mechanisms and the top of the tension-resistant supporting mechanism; the two terminal supporting mechanisms, the plurality of linear supporting mechanisms and the plurality of tension supporting mechanisms are arranged in a linear manner; different tensioning sections are arranged between each terminal supporting mechanism and the adjacent tension supporting mechanism; the length of each stretching section is 30-80 m.
2. A long-distance, segmentally-stretchable, large-span flexible stent as defined in claim 1, wherein: the spacing between two adjacent linear supporting mechanisms, between the terminal supporting mechanism and the adjacent linear supporting mechanism and between the linear supporting mechanism and the adjacent tension supporting mechanism is 10-30 m.
3. A long distance, segmentally stretchable, large span flexible stent as defined in claim 1 or 2, wherein: each terminal support mechanism comprises at least three terminal brackets (1) and a terminal foundation (5); the terminal foundation (5) is of a solid reinforced concrete foundation structure, and an embedded part is arranged at the top of the terminal foundation; the terminal bracket (1) is fixedly connected to the terminal foundation (5) through an embedded part; three terminal brackets (1) are connected to a terminal foundation (5) in a straight shape; adjacent terminal brackets (1) are connected into a whole through transverse supports; the central connecting line of the three terminal brackets (1) is perpendicular to the extending direction of the prestressed anchor cable (12).
4. A long-distance, segmentally-stretchable, large-span flexible stent as defined in claim 3, wherein: each terminal bracket (1) is of a herringbone structure made of Q355 steel, and the top of each terminal bracket (1) is horizontally connected with a first connecting plate (15); the upper surface of the first connecting plate (15) is fixedly connected with a terminal anchor seat (8), and the side wall of the terminal anchor seat (8) is fixedly connected with a prestress anchor (9) through a first single-side wedge-shaped anchor block (14); the prestress anchor (9), the first unilateral wedge-shaped anchor block (14) and the terminal anchor seat (8) are provided with through holes which penetrate through the prestress anchor cable (12) and are used for passing through.
5. A long-distance, segmentally-stretchable, large-span flexible stent as defined in claim 1, wherein: each linear supporting mechanism comprises a linear bracket (3) and a linear foundation (6); at least three linear brackets (3) are arranged; the three linear brackets (3) are vertically connected to the top of the linear foundation (6) in a straight shape; adjacent linear brackets (3) are connected into a whole through transverse supports; the connecting line of the three linear brackets (3) is vertical to the extending direction of the prestressed anchor cable (12).
6. A long-distance, segmentally-stretchable, large-span flexible stent as defined in claim 5, wherein: the linear foundation (6) adopts a precast tubular pile or a concrete filling pile, the pile top is higher than the ground, and an embedded part used for being connected with the linear support (3) is arranged on the top surface of the linear foundation (6).
7. A long-distance, segmentally-stretchable, large-span flexible stent as defined in claim 6, wherein: the distance between the pile top and the ground is 1.5-2.5 m.
8. A long distance, segmentally stretchable, large span flexible stent as defined in claim 5 or 6, wherein: the linear bracket (3) is a steel upright post structure with a rectangular section and made of Q355 steel; the top of the linear bracket (3) is connected with a linear cable connecting seat (10) for passing through a pre-stress anchor cable (12); the linear cable connecting seat (10) is of a circular ring structure made of I-level steel bars or Q235 steel plates.
9. A long-distance, segmentally-stretchable, large-span flexible stent as defined in claim 1, wherein: the tension supporting mechanism comprises a tension support unit Zhang Jichu (7) and at least three tension support units; the Zhang Jichu (7) is a solid reinforced concrete foundation structure, and an embedded part is arranged at the top of the solid reinforced concrete foundation structure; three Zhang Zhicheng units are connected to Zhang Jichu (7) in a straight line; adjacent terminal supporting units are connected into a whole through transverse supports; the central connecting line of the three tension-resistant supporting units is perpendicular to the extending direction of the prestressed anchor cable (12).
10. A long-distance, segmentally-stretchable, large-span flexible stent as defined in claim 9, wherein: each tension support unit comprises a herringbone tension support (4); the tension bracket (4) is made of Q355 steel; the top end of the tension bracket (4) is horizontally connected with a second connecting plate (16), the upper surface of the second connecting plate (16) is fixedly connected with a tension anchor (11), two opposite side surfaces of the tension anchor (Zhang Mao) are respectively fixedly connected with a second single-side wedge-shaped anchor block (2), and each second single-side wedge-shaped anchor block (2) is fixedly connected with a prestress anchor (9); the second single-side wedge-shaped anchor blocks (2) on the two sides have height differences; a through hole for the prestressed anchor cable (12) to pass through is formed among the prestressed anchor (9) on each side, the second single-side wedge-shaped anchor block (2) and the Zhang Mao resistance (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320752081.5U CN220022665U (en) | 2023-04-06 | 2023-04-06 | Long-distance sectionally-tensioned large-span flexible support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320752081.5U CN220022665U (en) | 2023-04-06 | 2023-04-06 | Long-distance sectionally-tensioned large-span flexible support |
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