Dead-corner-free rotary fixing support for main purline of metal roof
Through the design of rotating fixed support without dead angles, the problems of low installation efficiency, high cost and high safety risks of traditional metal roof main purlins are solved, and an efficient and low-cost installation process is achieved.
Patent Information
- Application Number
- CN202422567459.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-23
AI Technical Summary
The traditional metal roof main purlin installation method has problems such as low positioning and cutting efficiency, unstandard design, long construction cycle, high cost and great safety risks.
The fixed support without dead angles is adopted, including fixed support and movable support, and the fastening connectors realizes the rapid positioning and standardized design of the purlins, and simplifies the installation process.
The positioning and cutting efficiency is improved by 30%, the design workload is reduced by 50%, the construction period is shortened by 20%, the cost is reduced by 15%, and the probability of safety accidents is reduced.
Smart Images

Figure CN223256323U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of main purlins of metal roofs, in particular to a rotating fixed support for main purlins of metal roofs with no dead angle. Background Art
[0002] Metal roofing, a common form of building envelope, is widely used in large structures such as airports, warehouses, and stadiums. Main purlins, a crucial component of the metal roofing system's supporting structure, have a direct impact on the safety and service life of the entire building. However, traditional purlin installation methods present numerous challenges, including inefficient positioning and cutting, non-standardized designs, long construction times, high costs, and high installation machinery and labor costs. These issues severely restrict the efficiency and quality of metal roofing construction.
[0003] In existing metal roof construction technology, the main purlins are usually installed using traditional fixing methods such as welding and bolting. These methods have the following shortcomings:
[0004] (1) Product shape and relationship between parts: The support structure in traditional fixing methods is relatively simple, usually straight or fixed angle, and cannot adapt to complex roof structures. The relationship between the parts is mainly fixed by welding or bolting, which lacks flexibility.
[0005] (2) Purpose: The traditional fixing method aims to fix the purlins to the roof structure and ensure the stability of the building.
[0006] (3) Technical measures: The traditional method is to fix the purlins to the roof structure by welding or bolting. This method has the following disadvantages during the construction process:
[0007] 1) Measurement and adjustment time is too long: During the traditional main purlin installation process, due to the limitations of fixed supports, construction workers need to spend a lot of time on precise measurement and repeated adjustments to ensure the correct position of the purlin. This process is inefficient and prolongs the construction period.
[0008] 2) Lack of design standardization: Existing purlin support designs are often customized for specific projects and lack standardization. This requires designers to redesign them for each project, which not only increases the design workload but also limits the reusability of the design.
[0009] 3) The construction period is too long: Due to the complex installation process, the traditional method takes a long time in the construction process, which not only affects the progress of the project, but also increases the difficulty of project management.
[0010] 4) Difficulty in cost control: Traditional installation methods require a lot of machinery and labor input, resulting in high installation costs, which poses a challenge to the overall cost control of the project.
[0011] 5) Complex installation process: Existing installation methods often require multiple steps, which not only increases the difficulty of construction, but also increases the safety risks during the construction process. Utility Model Content
[0012] In response to the above-mentioned problems existing in the prior art, the utility model provides a metal roof main purlin with no dead angle rotation and fixing support, so as to realize efficient, low-cost and standardized installation of metal roof main purlins and reduce the safety risks of on-site high-altitude operations.
[0013] The utility model adopts the following technical solutions:
[0014] A rotating fixed support for the main purlin of a metal roof with no dead angles, the rotating fixed support comprising a fixed support and a movable support, the lower end of the fixed support being fixedly connected to the main structure of the roof, the upper end of which being provided with a first support plate, the first support plate being provided with a plurality of coaxially arranged long waist circular holes; the lower end of the movable support being provided with a second support plate, the second support plate being provided with a plurality of coaxially arranged round holes, the round holes being fixedly connected to the long waist circular holes by fastening connectors, and a plurality of purlin support plates being provided on the side surfaces of the movable support.
[0015] Preferably, the fixed support includes a first circular tube and a circular first supporting plate, a through hole with the same inner diameter as the first circular tube is formed in the middle of the first supporting plate, and the upper end of the first circular tube is welded and fixed to the lower end surface of the first supporting plate.
[0016] Preferably, the movable support includes a second circular tube, a circular second support plate and a purlin support plate. The second support plate is fixed to the middle part of the second circular tube. The second circular tube located below the second support plate is inserted into the inner hole of the first circular tube. The purlin support plate is provided on the outer side surface of the second circular tube located above the second support plate.
[0017] Preferably, four purlin supporting plates are provided and are arranged at 90° intervals.
[0018] Furthermore, a plurality of leveling pads are provided between the first supporting plate and the second supporting plate.
[0019] Preferably, the leveling pad is a round tube or a shock-resistant rubber pad.
[0020] The technical solution of this utility model has the following advantages:
[0021] A. Improve positioning and cutting efficiency: The 360° no-dead-angle rotating fixed support of the utility model can quickly locate the purlin position through its unique rotating mechanism. Compared with traditional fixed supports, the utility model can accurately place purlins without complicated measurements and adjustments, thereby improving cutting efficiency. According to experimental data, the utility model can improve cutting efficiency by 30%. This efficiency improvement was obtained through the following test conditions and methods: In metal roof construction projects of the same scale, purlins were installed using traditional fixing methods and the utility model respectively, and the number of purlin positioning completed per unit time was recorded. The efficiency improvement data was obtained through comparative analysis.
[0022] B. Achieve design standardization:
[0023] The fixed brackets in this utility model utilize a standardized design, meaning designers can reuse the same template, eliminating the need for custom designs for each project. This standardized design reduces design workload by 50%. This statistic is based on a comparative analysis of the time required for designers to design fixed brackets before and after adopting this utility model. By analyzing the time required for designers to design fixed brackets using traditional methods and this utility model for the same type of project, the utility model demonstrates its significant effectiveness in reducing design workload.
[0024] C. Shorten construction period:
[0025] Because the installation process is simplified, the present invention significantly increases construction speed, shortening the overall construction period. In actual application, the present invention can reduce construction time by 20%. This data was obtained by comparing the total construction time required for projects of the same scale before and after the use of the present invention. Recording and analyzing construction logs demonstrates the practical effectiveness of the present invention in increasing construction speed and shortening construction time.
[0026] D. Reduce costs:
[0027] This utility model reduces overall costs by reducing machinery and labor input during the installation process. Specifically, it can reduce overall costs by 15%. This cost savings was achieved by comparing and analyzing the machinery and labor costs during the installation process between traditional construction methods and this utility model. The cost-effectiveness of this utility model was demonstrated by detailed documentation and comparison of the costs of the two methods across multiple projects.
[0028] E: Improve construction safety
[0029] The simplified installation process of this utility model reduces complex operations during construction, thereby reducing the probability of safety accidents. This effectiveness is evaluated based on the identification and comparative analysis of safety hazards during construction. By statistically analyzing the incidence of construction accidents before and after the use of this utility model, the utility model's positive role in improving construction safety is demonstrated.
[0030] In summary, the present invention offers significant advantages over existing technologies in terms of construction efficiency, cost savings, and safety. These advantages are demonstrated not only through theoretical derivation and analysis of structural characteristics, but also through concrete experimental data and practical application results. Therefore, the present invention has broad application prospects and brings substantial improvements to the construction industry. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] In order to more clearly illustrate the specific implementation methods of the present invention, the following will briefly introduce the drawings required for use in the specific implementation methods. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0032] Figure 1 This is a stereoscopic diagram of the installation node of the rotating fixed support with no dead angle provided by the utility model (small distance);
[0033] Figure 2 This is a stereoscopic diagram of the installation node of the rotating fixed support with no dead angle provided by the utility model (large distance);
[0034] Figure 3 yes Figure 1 The main view shown;
[0035] Figure 4 yes Figure 2 The main view shown;
[0036] Figure 5 yes Figure 3 and Figure 4 A top view of
[0037] Figure 6 yes Figure 1 and Figure 2 Main view of the fixed support installation node in;
[0038] Figure 7 yes Figure 6 The top view shown;
[0039] Figure 8 yes Figure 1 and Figure 2 The main view of the movable support installation node in;
[0040] Figure 9 yes Figure 8 Shown is the top view.
[0041] The following are marked in the figure:
[0042] 1-Fixed support
[0043] 11-first round tube, 12-first support plate
[0044] 2-Active support
[0045] 21-second round tube, 22-second support plate, 23-purlin support plate
[0046] 3- Fastening connector; 4- Leveling pad; 5- Purlin; 6- Main roof structure
[0047] a-long waist round hole, b-round hole. DETAILED DESCRIPTION
[0048] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0049] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0050] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0051] like Figure 1-9As shown, the utility model provides a dead angle-free rotating fixed support for the main purlin of a metal roof. The rotating fixed support includes a fixed support 1 and a movable support 2. The lower end of the fixed support 1 is fixedly connected to the main roof structure 6, for example, by welding, and a first support plate 12 is provided at its upper end. The first support plate 12 is provided with a plurality of coaxially arranged long waist circular holes a in the shape of an arc; the lower end of the movable support 2 is provided with a second support plate 22, and the second support plate 22 is provided with a plurality of coaxially arranged circular holes b. The circular holes b and the long waist circular holes a are fixedly connected by fastening connectors 3, for example, by bolts. A plurality of purlin support plates 23 are provided on the side of the movable support 2, and the purlin support plates 23 are provided with connecting holes, which are fixedly connected to the long strip holes at one end of each purlin 5. Of course, the purlin 5 and the purlin support plates 23 can also be fixed by welding.
[0052] Specifically, if Figure 6 and Figure 7 As shown, the fixed support 1 includes a first circular tube 11 and a circular first support plate 12. A through hole with the same inner diameter as the first circular tube 11 is formed in the middle of the first support plate 12. The upper end of the first circular tube 11 is welded to the lower end of the first support plate 12. Figure 8 and Figure 9 As shown, the movable support 2 includes a second circular tube 21, a circular second support plate 22 and a purlin support plate 23. The second support plate 22 is fixed to the middle or upper middle part of the second circular tube 21. The second circular tube 21 below the second support plate 22 is inserted into the inner hole of the first circular tube 11, so that the second circular tube 21 can change the angle of the purlin support plate 23 by rotating in the inner hole of the first circular tube 11. The purlin support plate 23 is provided on the outer side of the second circular tube 21 above the second support plate 22. Figure 2 and Figure 9 As shown, four purlin support plates 23 are provided on the outer side of the second circular tube 21, and the angle between two adjacent purlin support plates 23 is 90 degrees. The circular long waist round hole a opened on the first support plate 12 is used to adjust the installation angle of the upper movable support 2.
[0053] The fasteners 3 used include bolts, nuts, and spacers. These components are used to connect the movable supports of the present invention to the purlins, the movable supports to the fixed supports, and the fixed supports to the main roof structure. The design of the fasteners 3 takes into account standardization and versatility, so that they can be quickly used with purlins and roof structures of different specifications.
[0054] In order to adjust the installation height, the utility model also provides a number of leveling pads 4 between the first support plate 12 and the second support plate 22. For small distance adjustment, the leveling pads 4 can be used. Figure 1 and Figure 3 For larger distance adjustment, the anti-vibration rubber pad is replaced with a round tube or round steel, such as Figure 2 and Figure 4shown.
[0055] The working principle of this utility model is based on the following two main aspects:
[0056] Working Principle of the Rotating Body: The rotating body achieves full rotation via the upper movable support 2, allowing the purlin 5 to be freely adjusted to any angle within the horizontal plane according to the specific requirements of the roof design. This design greatly enhances installation flexibility, especially when facing complex roof structures, and can easily adapt to different installation requirements.
[0057] How the fastening connector works: The standardized design of the connecting components ensures a quick connection to the purlin and roof structure. With a simple bolting operation, the fixing bracket 1 can be firmly fixed to the roof while maintaining the accurate position of the purlin.
[0058] The installation steps of this utility model are as follows:
[0059] 1. Pre-assembly: Outside the construction site, the sizes of the fixed support 1 and the movable support 2 are determined according to the design drawings and requirements, and the various components of the fixed support 1 and the movable support 2 are pre-assembled in the factory and transported to the site. This step ensures the rapid progress of on-site installation.
[0060] 2. Placement position: Place the assembled fixed support 1 at a predetermined position on the main roof structure 6, which is determined according to the roof design and purlin layout, and then insert the movable support 2 into the fixed support 1.
[0061] 3. Angle adjustment: Adjust the purlin 5 to the required design angle by manually rotating the movable support 2. Since the movable support 2 can be rotated 360 degrees, any desired angle can be easily achieved.
[0062] 4. Height adjustment: According to the angle requirements of the roof metal plate, the installation height of the purlin 5 can be fine-tuned by adding rubber anti-seismic rubber pads as leveling pads 4 between the movable support 2 and the fixed support 1; for locations with large local height deviations, the anti-seismic rubber pads can be replaced with round tubes.
[0063] 5. Fastening: Use fasteners to fasten the purlins, movable supports, fixed supports, and the main roof structure together. This step ensures the stability and safety of the purlins through the tightening action of bolts and nuts.
[0064] Any matters not described in the present invention are applicable to the prior art.
[0065] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.
Claims
1. A metal roof main purlin non-dead angle rotating fixed support, characterized in that: The rotating fixed support comprises a fixed support (1) and a movable support (2), wherein the lower end of the fixed support (1) is fixedly connected to the main roof structure (6), and the upper end thereof is provided with a first support plate (12), and the first support plate (12) is provided with a plurality of coaxially arranged long waist circular holes (a); the lower end of the movable support (2) is provided with a second support plate (22), and the second support plate (22) is provided with a plurality of coaxially arranged round holes (b), and the round holes (b) are fixedly connected to the long waist circular holes (a) by a fastening connector (3), and a plurality of purlin support plates (23) are provided on the side of the movable support (2).
2. The metal roof main purlin non-dead angle rotating fixed support according to claim 1 is characterized in that: The fixed support (1) comprises a first circular tube (11) and a circular first supporting plate (12), wherein a through hole having the same inner diameter as the first circular tube (11) is formed in the middle of the first supporting plate (12), and the upper end of the first circular tube (11) is fixedly welded to the lower end surface of the first supporting plate (12).
3. The metal roof main purlin non-dead angle rotating fixed support according to claim 2, characterized in that: The movable support (2) includes a second circular tube (21), a circular second support plate (22) and a purlin support plate (23); the second support plate (22) is fixedly mounted on the middle part of the second circular tube (21); the second circular tube (21) located below the second support plate (22) is inserted into the inner hole of the first circular tube (11); the purlin support plate (23) is provided on the outer side surface of the second circular tube (21) located above the second support plate (22).
4. The metal roof main purlin non-dead angle rotating fixed support according to claim 3, characterized in that: The purlin supporting plates (23) are provided in four pieces and are arranged at intervals of 90 degrees.
5. The metal roof main purlin non-dead angle rotating fixed support according to any one of claims 1 to 4, characterized in that: A plurality of leveling pads (4) are also provided between the first supporting plate (12) and the second supporting plate (22).
6. The metal roof main purlin non-dead angle rotating fixed support according to claim 5, characterized in that: The leveling pad (4) is a round tube or a shock-resistant rubber pad.