A new type of heliostat stand
By using a circular thin-walled tube structure design and a heliostat column with weight-reducing holes, the problems of heavy weight and insufficient stability of traditional steel columns are solved, achieving cost reduction and performance improvement, which is suitable for tower solar thermal power generation systems.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP
- Filing Date
- 2025-06-20
- Publication Date
- 2026-06-23
AI Technical Summary
Traditional steel columns are too heavy in tower solar thermal power generation systems, resulting in high material and transportation costs, and insufficient stability and wind resistance in complex environments.
The heliostat column, designed with a circular thin-walled tube structure, integrates the steel column with the concrete by setting weight-reducing holes in the bottom section of the column body and inserting it into the concrete, combined with socket welding and the lower end rib structure. This improves the torsional and tensile strength and simplifies the processing and construction process.
It significantly reduces material and transportation costs, improves the stability and wind resistance of the columns, simplifies the construction process, ensures grouting quality and fixing stability, and reduces subsequent maintenance costs.
Smart Images
Figure CN224396155U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tower solar thermal power generation technology, and more specifically to the field of a new type of heliostat column technology. Background Technology
[0002] Heliostat supports are currently mainly used in the field of tower solar thermal power generation. The supports securely anchor the entire heliostat system to the ground, providing stable support for the overall structure. In the field of tower solar thermal power generation, as solar thermal power plants steadily develop towards larger scale, higher altitudes, higher wind speeds, and complex terrain, the heliostat support, as the core load-bearing structure supporting the precise focusing of sunlight by the mirrors, directly determines the system's wind resistance, operational reliability, and commercial application potential through its stability, cost-effectiveness, and synergistic optimization of structural design.
[0003] Steel columns perform better in areas with frequent wind load changes due to the high toughness and bending resistance of steel. However, while traditional steel columns have the ability to prevent overturning, their excessive weight leads to increased material and transportation costs. To balance stability and cost control, current technology is trending towards designing more rational column structures, achieving lightweight structural innovation. Utility Model Content
[0004] The purpose of this utility model is to provide a novel heliostat column in order to solve the above-mentioned technical problems.
[0005] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0006] This utility model provides a novel heliostat column, including a column body and a flange disposed on the top of the column body. The column body is a tubular structure with open upper and lower ends and is hollow as a whole. The bottom part of the column body is inserted into concrete. The bottom of the column body in the concrete is provided with an opening section. The opening section has several weight-reducing holes evenly distributed in a circumferential array to improve the adhesion with the concrete. The opening section accounts for 31%-42% of the depth of the column body inserted into the concrete.
[0007] Specifically, the column body adopts a circular thin-walled tube structure design, reducing the column diameter and wall thickness, significantly lowering material and transportation costs. The perforated section features circumferentially distributed strip-shaped or circular weight-reducing holes, which improves the bonding between the concrete and the steel column, achieving integrated construction of the steel column and concrete, and effectively enhancing the column's torsional and tensile strength. The innovative use of perforated tubes instead of steel cages simplifies the processing and construction procedures, greatly reducing costs while maintaining structural integration.
[0008] The upper part of the column is above ground, while the lower part is the total buried depth of the column. This lower part is used for insertion into the ground for grouting and subsequent fixation in the concrete, which is located within the soil. The column body is open at both ends, achieving internal and external air pressure balance, which facilitates smoother concrete grouting. Simultaneously, the concrete covering the bottom opening section can be inspected through the top opening, effectively ensuring the quality of the grouting and the stability of the column's fixation.
[0009] In one embodiment, there are three groups of weight-reducing holes, with three weight-reducing holes in each group. The weight-reducing holes in each group are evenly distributed around the same height of the opening section, and all weight-reducing holes are rectangular holes.
[0010] Specifically, the lower end of the column body has an opening section with rectangular holes in three layers, three holes per layer, evenly distributed around the circumference. Replacing the reinforcing cage with weight-reducing holes reduces welding steps and improves construction convenience.
[0011] In one embodiment, the flange is mounted on the top of the column body by socket welding, and the centerline of the flange coincides with the centerline of the column body.
[0012] Specifically, the upper flange and the column body are welded together using a socket weld, which can effectively reduce the amount of material used while reducing structural deformation.
[0013] In one embodiment, a plurality of upper ribs are evenly distributed around the flange and the column body to improve connection stability, and the upper ribs are radially arranged with smaller lower ribs and larger upper ribs.
[0014] In one embodiment, multiple lower end ribs are welded to the outer wall of the column body located in the concrete to improve underground torsional resistance and wind load stability. All the lower end ribs are evenly distributed circumferentially on the outer wall of the column body.
[0015] Specifically, a rectangular rib is added to the lower end to significantly improve the underground torsional resistance and wind load stability through stress dispersion.
[0016] In one embodiment, the lower rib is a strip plate, and there are four lower ribs, with a central angle of 90° between two adjacent lower ribs.
[0017] Specifically, there are four ribs at the bottom, which are rectangular thin plates evenly distributed around the circumference.
[0018] In one embodiment, the column body is a circular tubular structure that runs vertically through the column.
[0019] In one embodiment, the opening section accounts for 35% of the depth to which the column body is inserted into the concrete.
[0020] Specifically, if the proportion of the opening section is too large, it may cause excessive lateral displacement of the column due to lateral shear force in extreme situations such as earthquakes.
[0021] The beneficial effects of this utility model are as follows:
[0022] 1. The column body of this utility model adopts a circular thin-walled tube structure design, reducing the column diameter and wall thickness, significantly lowering material and transportation costs. The perforated section has circumferentially distributed strip-shaped or circular weight-reducing holes, which can improve the bonding between concrete and steel column, achieving the goal of integrated steel column and concrete construction, effectively enhancing the column's torsional and tensile strength. The innovative approach of using perforated tubes to replace the reinforcing cage simplifies the processing and construction procedures, greatly reducing costs while maintaining structural integration.
[0023] 2. The upper part of the column is above ground, and the lower part is the total buried depth of the column. This lower part is used to insert the column into the ground and fix it in the concrete after grouting, with the concrete located within the soil. The column body is open at both ends, achieving internal and external air pressure balance, which allows for smoother concrete grouting. Simultaneously, the concrete covering the bottom opening section can be viewed through the top through-hole, effectively ensuring the quality of the column grouting and the stability of the column fixation.
[0024] 3. Compared to PHC pipe piles, steel columns have higher toughness and bending resistance. Through processes such as galvanizing, they can better reduce subsequent anti-corrosion and maintenance costs. Furthermore, steel columns are recyclable and have a high residual value. This new type of heliostat column significantly reduces material and transportation costs through a thin-walled perforated structure. It innovatively adopts a lower-end radial symmetrical rib structure to enhance underground torsional resistance and wind load stability. It also replaces the traditional steel cage with perforated pipe wall technology, reducing welding steps and improving construction efficiency. Perforating the steel pipe saves materials and reduces weight, thus achieving cost reduction.
[0025] 4. Simultaneously, socket welding is used instead of single-sided flat welding, simplifying the process while achieving cost reduction and efficiency improvement through structural integration. The main column adopts a vertically continuous design to ensure internal and external air pressure balance, which not only improves the smoothness of concrete grouting but also allows for visual quality monitoring through the top through-hole.
[0026] 5. The circumferentially distributed weight-reducing hole structure enables the concrete to fully encapsulate the column, simultaneously improving torsional and tensile strength and fixation stability through stress dispersion mechanism, forming a comprehensive solution that takes into account construction convenience, cost control and structural performance optimization. Attached Figure Description
[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0028] Figure 1 This is a schematic diagram of the structure of this utility model when it is inserted into concrete;
[0029] Figure 2 This is a schematic diagram of the structure of this utility model;
[0030] Reference numerals: 1. Flange; 2. Upper rib; 3. Column body; 4. Soil; 5. Lower rib; 6. Concrete; 7. Opening section. Detailed Implementation
[0031] To make the technical problems, technical solutions, and technical effects of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0033] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0034] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0035] Example 1
[0036] like Figures 1 to 2 As shown in the figure, this embodiment provides a novel heliostat column of the present invention, including a column body 3 and a flange 1 disposed on the top of the column body 3. The column body 3 is a tubular structure with the upper and lower ends connected and the whole being hollow. The bottom part of the column body 3 is inserted into concrete 6. The bottom of the column body 3 located in the concrete 6 is provided with an opening section 7. The opening section 7 is circumferentially arrayed with a number of weight-reducing holes for improving the adhesion with the concrete 6. The opening section accounts for 31%-42% of the depth of the column body inserted into the concrete 6.
[0037] Specifically, the column body 3 adopts a circular thin-walled tube structure design, reducing the column diameter and wall thickness, significantly lowering material and transportation costs. The perforated section 7 features circumferentially distributed strip-shaped or circular weight-reducing holes, which improves the bonding between the concrete 6 and the steel column, achieving integrated operation of the steel column and concrete 6, effectively enhancing the column's torsional and tensile strength. The innovative use of perforated tubes instead of reinforcing cages simplifies the processing and construction procedures, greatly reducing costs while maintaining structural integration.
[0038] The upper part of the column body 3 is above ground, and the lower part of the column is the total burial depth of the column. It is used to insert the column into the ground and fix it in the concrete 6 after grouting. The concrete 6 is located in the soil 4. The column body 3 is open at both ends, achieving internal and external air pressure balance, which allows for smoother grouting of the concrete 6. At the same time, the top through-hole allows inspection of the concrete 6 covering the bottom opening section 7, effectively ensuring the quality of the column grouting and the stability of the column fixation.
[0039] Example 2
[0040] like Figures 1 to 2 As shown in the figure, this embodiment provides a novel heliostat column of the present invention, including a column body 3 and a flange 1 disposed on the top of the column body 3. The column body 3 is a tubular structure with the upper and lower ends connected and the whole is hollow. The bottom part of the column body 3 is inserted into concrete 6. The bottom of the column body 3 located in the concrete 6 is provided with an opening section 7. The opening section 7 is circumferentially arrayed with a number of weight-reducing holes for improving the adhesion with the concrete 6.
[0041] There are three groups of weight-reducing holes, with three holes in each group. The weight-reducing holes in each group are evenly distributed around the same height in the opening section 7, and all weight-reducing holes are rectangular.
[0042] Specifically, the lower end of the column body 3 is provided with an opening section 7, which is rectangular in shape. There are three layers of openings, three in each layer, evenly distributed around the circumference. By replacing the steel cage with weight-reducing holes, welding steps can be reduced, and construction convenience can be improved.
[0043] Example 3
[0044] This embodiment is a further optimization based on embodiment 2, specifically:
[0045] The flange 1 is installed on the top of the column body 3 by socket welding, and the axis of the flange 1 coincides with the axis of the column body 3.
[0046] Specifically, the upper flange and the column body 3 are connected by socket welding, which can effectively reduce the amount of material used while reducing structural deformation.
[0047] Several upper ribs 2 are evenly distributed around the flange 1 and the column body 3 to improve the connection stability. The upper ribs 2 are radially arranged with smaller ones at the bottom and larger ones at the top.
[0048] Example 4
[0049] This embodiment is a further optimization based on embodiment 3, specifically:
[0050] Multiple lower end ribs are welded to the outer wall of the column body 3 located in the concrete 6 to improve the underground torsional resistance and wind load stability. All lower end ribs 5 are evenly distributed on the outer wall of the column body 3 in a circular pattern.
[0051] The lower rib 5 is a strip plate, and there are four lower ribs 5. The central angle between two adjacent lower ribs 5 is 90°.
[0052] Specifically, there are four lower ribs 5, which are rectangular thin plates evenly distributed around the circumference.
[0053] The column body 3 is a circular tubular structure that runs vertically through the column.
[0054] The opening section 7 accounts for 35% of the depth of the column body 3 inserted into the concrete 6.
[0055] Specifically, if the proportion of the opening section 7 is too large, it may cause excessive lateral displacement of the column due to lateral shear force in extreme situations such as earthquakes.
Claims
1. A novel heliostat support column, characterized in that, The system includes a column body (3) and a flange (1) disposed on the top of the column body (3). The column body (3) is a tubular structure with open upper and lower ends and is hollow as a whole. The bottom part of the column body (3) is inserted into concrete (6). The bottom of the column body (3) located in the concrete (6) is provided with an opening section (7). The opening section (7) is circumferentially arrayed with several weight-reducing holes for improving the bonding degree with the concrete (6). The opening section (7) accounts for 31%-42% of the depth of the column body (3) inserted into the concrete (6).
2. The novel heliostat support column according to claim 1, characterized in that, The weight-reducing holes are in three groups, with three weight-reducing holes in each group. The weight-reducing holes in each group are evenly distributed around the same height in the opening section (7), and all weight-reducing holes are rectangular holes.
3. The novel heliostat support column according to claim 1, characterized in that, The flange (1) is installed on the top of the column body (3) by socket welding, and the center line of the flange (1) coincides with the center line of the column body (3).
4. A novel heliostat support column according to claim 3, characterized in that, The flange (1) and the column body (3) are evenly distributed around the circumference with several upper ribs (2) to improve the connection stability. The upper ribs (2) are radially arranged with smaller bottom and larger top.
5. A novel heliostat support column according to claim 1, characterized in that, Multiple lower end ribs (5) are welded on the outer wall of the column body (3) located in the concrete (6) to improve the underground torsional resistance and wind load stability. All the lower end ribs (5) are evenly distributed on the outer wall of the column body (3) in a circular pattern.
6. A novel heliostat support column according to claim 5, characterized in that, The lower end rib (5) is a strip plate, and there are four lower end ribs (5). The central angle between two adjacent lower end ribs (5) is 90°.
7. A novel heliostat support column according to claim 1, characterized in that, The column body (3) is a circular tubular structure that runs vertically through the column.
8. A novel heliostat support column according to claim 1, characterized in that, The opening section (7) accounts for 35% of the depth to which the column body (3) is inserted into the concrete (6).