A steel beam and roof structure that takes into account load-bearing, drainage and lighting
By designing steel beams with grooves and wings, the problem of the excessive weight of traditional steel beams resulting in a decrease in load-bearing capacity is solved, and the effect of taking into account load-bearing, drainage and lighting is achieved, and the multiple requirements of energy-saving roofs are met.
Patent Information
- Application Number
- CN201710302395.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2017-05-02
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2037-05-02
AI Technical Summary
Traditional light steel structures or I-beams have too much weight in large span occasions, resulting in a decrease in load-bearing capacity and cannot meet the higher load-bearing requirements of energy-saving roofs. At the same time, they lack drainage functions, which affects the lighting utilization rate.
A steel beam is designed, with grooves along the length direction, the left wall is vertical, the right wall is obtusely angled to the bottom of the groove, connecting wing plates that are biased to the left, wing plates and light-transmitting plates of the roof structure. The plate is connected, the groove is used for drainage, and it is made of 2-5mm stainless steel material, which increases bending and shear resistance, and reduces cross-sectional size and self-weight.
It improves the load-bearing capacity and drainage performance of steel beams, reduces its own weight, enhances the lighting utilization rate, and meets the multiple requirements of energy-saving roofs for steel beams.
Smart Images
Figure CN106906949B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the field of structural beams for buildings, and in particular relates to a steel beam and a roof structure that takes into account load-bearing, drainage and lighting. Background Art
[0002] In recent years, responding to climate change and advocating low-carbon life have become the consensus of all mankind. The low-carbon economy is developing rapidly. Low-carbon buildings are a kind of building development strategy based on this consensus, and the development of energy-saving roofs has become more and more mature. Among them, CN201521063454.X discloses an "energy-saving roof with the most sunlight in winter and the least sunlight in summer". The structure of this inner courtyard energy-saving roof is a herringbone multi-unit. The lower edge of the light-transmitting plate of the rear roof unit and the lower edge of the sunshade plate of the front roof unit are seated on the same beam. In actual installation and use, the roof unit and the steel beam are at a certain angle. When used in large-span occasions, compared with traditional roofs, energy-saving roofs have higher load-bearing requirements for steel beams.
[0003] However, the traditional light steel structure or I-beam has the disadvantages of heavy weight and large vertical width when used with energy-saving roofs, especially in large spans. Excessive self-weight will lead to excessive self-load of the structure, which means that the bearing capacity will decrease accordingly and cannot meet the higher-level load-bearing requirements of energy-saving roofs for steel beams. Secondly, the large volume of steel beams will affect the lighting of the courtyard and seriously affect the utilization rate of light on the energy-saving roof. At the same time, traditional light steel structures or I-beams do not consider drainage issues, which affects the use efficiency of the roof. Therefore, how to effectively improve the roof beam structure is an important problem in the field of low-carbon building structural beams. Summary of the invention
[0004] In order to compensate for the defect that the above-mentioned roof beam cannot meet the load-bearing requirements due to its excessive weight and large vertical width, which leads to reduced load-bearing capacity, the present invention provides a steel beam that takes into account load-bearing, drainage and lighting.
[0005] In the first aspect, the present invention discloses a steel beam that takes into account load-bearing, drainage and lighting, including a steel beam body, wherein the steel beam body is provided with a groove along the length direction, the left side wall of the groove is vertically arranged relative to the bottom of the groove, the right side wall of the groove forms an obtuse angle with the bottom of the groove, the upper end of the left side wall is connected to a first wing plate biased to the left side, the upper end of the right side wall is connected to a second wing plate biased to the left side, the first wing plate is connected to a sunshade in the roof structure, and the second wing plate is connected to a light-transmitting plate in the roof structure.
[0006] Furthermore, the right side wall is arranged parallel to the light-transmitting plate.
[0007] Further, the direction of the first wing plate is parallel to the shading plate, and the direction of the second wing plate is perpendicular to the right side wall.
[0008] Furthermore, the steel beam also includes a left flange plate connected to the first wing plate and a right flange plate connected to the second wing plate.
[0009] Furthermore, the cross-sectional thickness of the steel beam is 2-5 mm stainless steel, such as 201 stainless steel.
[0010] On the other hand, the present invention also provides a roof structure using roof steel beams, including a roof unit and the steel beams as described above; when the number of roof units is greater than 1, the first wing panel is connected to the sunshade panel of the front roof unit, and the second wing panel is connected to the light-transmitting panel of the rear roof unit.
[0011] Furthermore, stainless steel square tubes are arranged at intervals along the length direction of the steel beam, and both ends of the stainless steel square tubes are welded to the side walls of the groove.
[0012] Furthermore, a section of shade plate is extended upward from the light-transmitting plate and the light-shielding plate at the joint.
[0013] Furthermore, the roof unit also includes a support frame, the top end of which is fixedly connected to the shade plate, and the bottom end of which is fixedly connected to the light-transmitting plate.
[0014] Furthermore, a heat-insulating plate is arranged on the inner surface of the sunshade plate and the steel beam room, and a decorative surface is provided on the arranged heat-insulating plate.
[0015] Technical effect of the present invention: The present invention provides a steel beam that takes into account load-bearing, drainage and lighting. The steel beam body is provided with a groove along the length direction, the left side wall of the groove is vertically arranged relative to the bottom of the groove, the right side wall of the groove forms an obtuse angle with the bottom of the groove, the upper end of the left side wall is connected with a first wing plate biased to the left, the upper end of the right side wall is connected with a second wing plate biased to the left, the first wing plate is connected to the sunshade in the roof structure, and the second wing plate is connected to the light-transmitting plate in the roof structure. The bending and shearing resistance of the steel beam and the stability of the cross-section are scientifically improved, the size of the cross-section and the size of the visible surface in the room are reduced, the dead weight is reduced, and the requirement for enhancing the load-bearing capacity of the steel beam is met; secondly, the reduction in the size of the cross-section further reduces the volume of the beam, and also takes into account the requirement for lighting; finally, the steel beam provided by the present invention also has a groove, and rainwater can be discharged from both ends of the beam through the groove. Therefore, the beam provided by the present invention takes into account the requirements of load-bearing, drainage and lighting. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A cross-sectional schematic diagram of the beam of the present invention;
[0017] Figure 2 Another cross-sectional schematic diagram of the beam of the present invention;
[0018] Figure 3 It is a structural schematic diagram of the present invention in use;
[0019] Figure 4 It is a schematic diagram of sunlight exposure at noon in winter according to the present invention. DETAILED DESCRIPTION
[0020] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0021] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0023] The invention provides a steel beam which takes into account load-bearing, drainage and lighting, and can be applied to the structure of a building roof, especially to the roof structure which has requirements for load-bearing, lighting and drainage. Figure 1 It is a cross-section diagram of a steel beam.
[0024] Combination Figure 1, a schematic cross-sectional view of a steel beam of the present invention. The present invention discloses a roof beam, the beam body 1, the beam body is provided with a groove along the length direction, the left side wall 3 of the groove is vertically arranged relative to the groove bottom 2, the right side wall 4 of the groove forms an obtuse angle θ with the groove bottom, the upper end of the left side wall is connected to a first wing plate 5 deviated to the left, the upper end of the right side wall is connected to a second wing plate 6 deviated to the left, the first wing plate is connected to a sunshade plate 10 in the roof structure, and the second wing plate is connected to a light-transmitting plate 9 in the roof structure. The beam adopted in the present technical solution increases the contact area by providing corresponding connectors for the supported roof panels while adjusting the angles of each connector, thereby increasing the effective supporting force provided by the beam during the supporting process, and correspondingly improving the bending and shearing resistance of the beam, thereby meeting the load-bearing requirements of the beam for a large-span courtyard; the beam provided in the present technical solution also has a groove, through which rainwater can be discharged from both ends of the beam, and the right side wall is vertically arranged to increase the water storage volume of the entire trough, thereby increasing the drainage capacity of the trough, and thus having good drainage performance; accordingly, the optimized steel beam in the present technical solution is smaller in size, and the light area blocked is correspondingly reduced, thereby improving the light utilization rate.
[0025] In this embodiment, the right side wall is arranged parallel to the light-transmitting plate. In this technical solution, the value range of the angle θ between the right side wall and the groove bottom is determined by the installation angle of the light-transmitting plate in the roof unit. Figure 4 As shown, the shadow area of the steel beam around noon in winter is symmetrical with respect to the sunshade to meet the requirement of maximizing winter light in "Energy-saving roof with the most sunlight in winter and the least sunlight in summer". At this time, the right side wall has no effect on the shadow area of the steel beam. From the perspective of the force on the right side wall, it is preferred to set the right side wall of the groove parallel to the light-transmitting plate. At this time, the bending and shearing properties of the steel beam achieve the best effect; the installation angle of the light-transmitting plate of the energy-saving roof is related to the latitude of the use scenario. In view of the fact that the energy-saving roof is mostly used at latitudes between 25° and 50° north latitude, the angle θ between the right side wall and the bottom of the groove is 105° to 135°.
[0026] like Figure 1 As shown, the direction of the first wing plate is parallel to the shading plate, and the direction of the second wing plate is perpendicular to the right side wall. In this technical solution, the direction of the first wing plate is parallel to the shading plate, and the direction of the second wing plate is perpendicular to the right side wall, so that the supporting force provided by the first wing plate and the second wing plate is as perpendicular to the force direction as possible, so that the effective supporting force provided by the beam during the supporting process is further increased, thereby improving the load-bearing performance of the beam.
[0027] like Figure 1As shown, the steel beam also includes a left flange plate 7 connected to the first wing plate and a right flange plate 8 connected to the second wing plate. In this technical solution, adding flange plates to the steel beam can further enhance the stability of the steel beam. At the same time, when used in conjunction with an energy-saving roof, the left flange plate can also fix the insulation board; the right flange plate can also prevent excessive rainwater from forming backflow.
[0028] like Figure 1 As shown, the cross-sectional thickness of the steel beam is 2-5mm stainless steel, such as 201 stainless steel. As a load-bearing structure, the performance of the steel beam is of self-evident importance to the entire roof structure. In view of the excellent chemical, physical and mechanical properties of stainless steel, it is the preferred material for this embodiment; considering the cost and performance, 201 stainless steel with certain acid and alkali resistance is preferred in this embodiment. In actual use, while meeting the load-bearing requirements of the steel beam, the deadweight of the steel beam is also reduced accordingly. Therefore, the cross-sectional thickness of the steel beam can be 2-5mm, preferably 3mm.
[0029] Figure 2 FIG. 2 is another cross-sectional schematic diagram of the steel beam of the present invention. Figure 2 As shown, in this embodiment, the steel beam has Figure 1 Most of the structures and functions shown are Figure 1 In this embodiment, the shape of the left flange plate is modified so that it is bent to the left or right to form a hook shape. In this way, when used in conjunction with the roof unit, a pulling force can be provided to the insulation board while fixing the insulation board, making the installation of the insulation board more stable.
[0030] Furthermore, taking into account the performance, practicality and cost of the steel beam, the present invention also provides a set of optimal data for each part of the steel beam. In the cross-sectional view, the bottom plate length of the steel beam is 150 mm, the left web plate length is 200 mm, the right web plate length is 232 mm, the left wing plate length is 50 mm, the right wing plate length is 70 mm, the left flange plate length is 30 mm, and the right flange plate length is 40 mm.
[0031] Figure 3 The schematic diagram of the structure of the present invention in use is a roof structure using a roof steel beam, including a roof unit and the beam as described above; when the number of roof units is greater than 1, the first wing plate is connected to the sunshade of the front roof unit, and the second wing plate is connected to the light-transmitting plate of the rear roof unit. As described above, the steel beam in this embodiment can support the roof structure, achieving the functions of bearing weight, drainage and lighting. At the same time, the setting of the sunshade and the light-transmitting plate in the roof unit can allow a certain angle of light to directly enter the room, while the other part of the light is blocked. Appropriate adjustment can be made according to the actual situation of the use scene to achieve the maximum sunlight in winter and the minimum sunlight in summer, which meets the design requirements of green buildings.
[0032] like Figure 3 As shown, stainless steel square tubes 14 are connected at intervals along the length direction of the steel beam, and the two ends of the stainless steel square tubes are welded to the side walls of the groove. In this technical solution, stainless steel square tubes are arranged at intervals along the length direction of the steel beam, and the two ends of the stainless steel square tubes are welded to the side walls of the groove. In actual use, the interval is about 500-1000mm, and the welded stainless steel square tubes can improve the rigidity and cross-sectional stability of the steel beam, further increasing the stability of the entire roof structure.
[0033] like Figure 3 As shown, from the joint of the light-transmitting plate and the light-shielding plate, the light-shielding plate extends upward to form a shade plate. The shade plate can further block a part of the sunlight, so that the sunlight can selectively enter the room, ensure the indoor temperature, and achieve the purpose of energy saving.
[0034] like Figure 3 As shown, the roof unit further comprises a support frame, the top end of the support frame 15 is fixedly connected to the shade plate, and the bottom end is fixedly connected to the light-transmitting plate. The use of the support frame effectively enhances the strength of the shade plate.
[0035] like Figure 3 As shown, an insulation board 11 is arranged on the inner surface of the sunshade and the steel beam, and a decorative surface 12 is formed on the insulation board. In this technical solution, the insulation board can slow down the heat exchange between indoor and outdoor, protect the stability of indoor temperature, effectively reduce the work of indoor insulation devices, achieve the effect of energy saving and emission reduction, and thus meet the sustainable development requirements of human society. Moreover, the interior decoration can further integrate the entire beam room and the roof, which is simple and beautiful, and meets the basic comfort requirements of humans for the environment and the requirements of special functional services.
[0036] The embodiments described above are merely descriptions of preferred implementations of the present invention and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made to the technical solutions of the present invention by ordinary timekeepers in the field shall fall within the protection scope of the claims of the present invention.
Claims
1. A steel beam that takes into account load-bearing, drainage and lighting, characterized in that: It includes a steel beam body, which is provided with a groove along the length direction, the left side wall of the groove is vertically arranged relative to the bottom of the groove, the right side wall of the groove forms an obtuse angle with the bottom of the groove, the upper end of the left side wall is connected with a first wing plate biased to the left, the upper end of the right side wall is connected with a second wing plate biased to the left, the first wing plate is connected to a sunshade in the roof structure, and the second wing plate is connected to a light-transmitting plate in the roof structure; the right side wall is arranged parallel to the light-transmitting plate; the direction of the first wing plate is parallel to the sunshade, and the direction of the second wing plate is perpendicular to the right side wall.
2. The steel beam that takes into account both load-bearing, drainage and lighting as claimed in claim 1, characterized in that: The steel beam further includes a left flange plate connected to the first wing plate and a right flange plate connected to the second wing plate.
3. The steel beam that takes into account both load-bearing, drainage and lighting as claimed in claim 2, characterized in that: The cross-sectional thickness of the steel beam is 2-5 mm stainless steel, and the stainless steel is 201 stainless steel.
4. A roof structure using steel beams that take into account load-bearing, drainage and lighting, characterized in that: It comprises a roof unit and the steel beam as described in any one of claims 1 to 3; when the number of roof units is greater than 1, the first wing panel is connected to the sunshade of the front roof unit, and the second wing panel is connected to the light-transmitting panel of the rear roof unit.
5. The roof structure using steel beams that take into account both load-bearing, drainage and lighting as claimed in claim 4, characterized in that: Stainless steel square tubes are arranged at intervals along the length direction of the steel beam, and both ends of the stainless steel square tubes are welded to the side walls of the groove.
6. The roof structure using steel beams that take into account both load-bearing, drainage and lighting as claimed in claim 5, characterized in that: A section of shade plate is extended upward from the light-transmitting plate and the light-shielding plate at the jointing position.
7. The roof structure using steel beams that take into account both load-bearing, drainage and lighting as claimed in claim 6, characterized in that: The roof unit also includes a support frame, the top end of which is fixedly connected to the shade plate, and the bottom end of which is fixedly connected to the light-transmitting plate.
8. The roof structure using steel beams that take into account both load-bearing, drainage and lighting as claimed in claim 7, characterized in that: An insulation board is arranged on the inner surface of the sunshade board and the steel beam, and a decorative surface is provided on the insulation board.