Portable C-shaped steel primary and secondary purline connecting node
By using a convenient C-shaped steel primary and secondary purlin connection node, purlin support plates and bolts are used for connection, combined with L-shaped cold-bent edge fittings, the problem of purlin installation in the construction of metal sandwich panels is solved, achieving efficient and precise purlin connection and improving construction efficiency and accuracy.
Patent Information
- Application Number
- CN202422938598.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In existing technologies, it is difficult to achieve high-precision and convenient purlin installation in the construction of metal-faced sandwich panels, which affects the construction progress and cost.
The system adopts a convenient C-shaped steel main and secondary purlin connection node, which is connected by bolts to the purlin support plate, vertical purlin and horizontal purlin, combined with L-shaped cold-bent edge fittings, to achieve a stable connection between the vertical purlin and horizontal purlin, avoid welding defects and improve installation efficiency.
It improved the installation efficiency of purlins, met high precision requirements, reduced construction costs, and accelerated construction progress.
Smart Images

Figure CN223593549U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of building steel structure construction, specifically relates to a novel portable C type steel primary and secondary purlin connecting joint. BACKGROUND
[0002] As a new type of thermal insulation material, the metal-faced sandwich panel has the advantages of energy saving, high assembly rate and the like, and is increasingly widely used in steel structure buildings, and is favored by many owners due to its color variety, convenient construction and the like. Especially in steel structure wall surface construction, the metal-faced sandwich panel is in great demand and is commonly used as a cladding outer plate, and thus the construction technology of the metal-faced sandwich panel has developed rapidly. Influenced by existing processing equipment and transportation equipment, the length and width of the metal-faced sandwich panel have only specific modules, and the metal-faced sandwich panel is inconvenient to be secondarily processed on site. Therefore, in on-site construction, butt joint and plug joint of the metal-faced sandwich panel are difficult to avoid. The connecting joint of the transverse framework and the column and the connecting joint of the vertical framework and the transverse framework are intertwined together, and generally, the furring is fixed on a concrete structure or other steel structure, and the required framework width of the metal-faced sandwich panel is greater than or equal to 120 mm.
[0003] The conventional wall surface purlin system without vertical purins generally adopts a few pieces of fittings to be fixed on a steel column, and the cladding outer plate is borne by the few pieces of fittings, but the bearing capacity of the few pieces of fittings is poor, the installation amount is large, and the positioning precision is poor. Although the conventional wall surface purlin system with vertical purins can solve the joint problem of the outer plate, the vertical purins need to be installed first, and then the horizontal purins are connected to the vertical purins, the vertical purins are pre-installed, the manned equipment such as a shears vehicle and a curved arm vehicle needs to be frequently moved, and thus the construction progress is affected, and the construction cost is increased.
[0004] The metal-faced sandwich panel adopts plug-in connection, and the construction precision requirement is high, and the purlin as a basis must be installed with high precision, and therefore, how to realize high-precision and convenient installation of the purlin and how to improve the construction efficiency are crucial to the construction progress. SUMMARY
[0005] The utility model aims at solving the problems in the prior art and provides a portable C type steel primary and secondary purlin connecting joint which can improve the installation efficiency of horizontal purins and vertical purins and facilitate the construction of a cladding outer plate.
[0006] The utility model relates to a portable C-shaped steel primary and secondary purline connecting joint, including purline support plate, vertical purline, horizontal purline and connecting piece, the steel column is on, is fixed with the purline support plate of horizontal arrangement on the height direction on one side of hanging metal surface sandwich panel, the interval of purline support plate fixed on the same steel column matches with the height of metal surface sandwich panel, the purline support plate on the adjacent steel column is symmetrically arranged, and each purline support plate is equipped with the horizontal arrangement of support plate, and the two groups of bolt holes are symmetrically arranged on the support plate with the steel column center axis as the center, and each horizontal purline is fixed on the purline support plate of adjacent steel column through the bolt, and the vertical purline is arranged at the seam of two horizontal purlines, and the length of vertical purline matches with the interval of adjacent horizontal purline in the height direction, and the two sides of the upper and lower ends of vertical purline are connected with the horizontal purline of the seam side through the connecting piece, and the connecting piece and vertical purline, connecting piece and horizontal purline are all bolted.
[0007] In the embodiment, the interval between the adjacent horizontal purlines is not greater than 5mm, and the interval between the adjacent vertical purlines is not greater than 5mm.
[0008] In the embodiment, the web of the vertical purline is flush with the outer edge of the horizontal purline.
[0009] In the embodiment, the purline support plate comprises the support plate arranged horizontally and the stiffening rib arranged vertically, the support plate and the stiffening rib are welded into a T-shaped structure, and the horizontal purline is provided with a through hole corresponding to the bolt hole on the support plate at both ends of the web.
[0010] In the embodiment, the connecting piece is an L-shaped cold-bent edge piece, and the horizontal part and the vertical part of the connecting piece are both provided with bolt holes.
[0011] In the embodiment, the bolt hole on the connecting piece is located at the center of the connecting piece.
[0012] In the embodiment, the area enclosed by the metal surface sandwich panel and the horizontal purline and the vertical purline is matched with the size of the metal surface sandwich panel, the metal surface sandwich panel is fixed on the vertical purline through the sandwich panel structure nails on both sides, and the middle seam rubber strip and the aluminum alloy decorative sheet are arranged in the joint of the adjacent metal surface sandwich panels.
[0013] Due to the above structure, the utility model has at least the following beneficial effects:
[0014] (1) the connection between the horizontal purline and the vertical purline on site adopts a bolt, which avoids the defects such as thin-walled steel welding, damage to the corrosion-resistant layer, and the need for paint after welding, and the horizontal purline is preferentially installed on the purline support plate, and then the vertical purline is installed, which effectively improves the installation efficiency of the purline;
[0015] (2) the vertical purline is connected with the horizontal purline through the connecting piece of the L-shaped cold-bent edge arranged on both sides of the vertical purline flange, which ensures the stability of the vertical purline;
[0016] (3) The connecting piece of the L-shaped cold bending and folding avoids the bolt of the horizontal purlin and the purlin supporting plate, and the connecting pieces arranged on the upper and lower sides of the horizontal purlin are symmetrically arranged, so that the installation of the connecting piece is more convenient and the installation efficiency is high.
[0017] (4) The web plate of the vertical purlin is flush with the outer edge of the horizontal purlin, the metal-faced sandwich panel is fixed on the web plate of the vertical purlin, and the web plate of the vertical purlin is greater than or equal to 120 mm, so that the standard requirement of the skeleton width greater than or equal to 120 mm is met, and the installation accuracy is ensured.
[0018] In summary, the utility model can improve the installation efficiency of the horizontal purlin and the vertical purlin, facilitate the construction of the enclosure outer plate, reduce the construction cost, and speed up the construction progress. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model will be further described below in combination with the drawings and examples, wherein:
[0020] Figure 1 It is the three-dimensional view of the utility model Figure 1 .
[0021] Figure 2 It is the three-dimensional view of the utility model Figure 2 .
[0022] Figure 3 It is the three-dimensional view of the utility model Figure 3 .
[0023] Figure 4 It is the front view of the utility model.
[0024] Figure 5 It is the top view of the utility model.
[0025] Reference signs: 110, first vertical purlin; 120, second vertical purlin; 210, first horizontal purlin; 220, second horizontal purlin; 300, connecting piece; 310, first connecting plate; 320, second connecting plate; 330, third connecting plate; 340, fourth connecting plate; 400, purlin supporting plate; 500, steel column; 600, metal-faced sandwich panel; 700, joint rubber strip and aluminum alloy decorative sheet; 800, sandwich panel structure nail. DETAILED DESCRIPTION
[0026] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation of the utility model.
[0027] In the description of the utility model, unless otherwise expressly limited, the words such as setting, installation, connection should be understood broadly, and the skilled in the art can determine the specific meaning of the above words in the utility model according to the specific content of technical scheme.
[0028] As shown in Figures 1 to 5 A kind of portable C-shaped steel primary and secondary purlin connecting joint, including purlin support plate 400, vertical purlin, horizontal purlin and connecting piece, the vertical purlin and horizontal purlin are all used C-shaped steel, multiple horizontally arranged purlin support plates 400 are welded on the steel column 500, on the side of hanging metal-faced sandwich panel along the height direction, the spacing of purlin support plate 400 welded on the same steel column 500 is matched with the height of metal-faced sandwich panel, the purlin support plate 400 on adjacent steel column 500 is symmetrically arranged, each purlin support plate 400 is equipped with horizontally arranged support plate, and two groups of bolt holes are symmetrically arranged on the support plate with the center axis of steel column 500 as center, and each horizontal purlin is fixed on the purlin support plate 400 of adjacent steel column 500, specifically, the two ends of horizontal purlin are fixed on two purlin support plates 400 by bolt respectively, and the joint gap of adjacent horizontal purlin is not greater than 5mm;Vertical purlin is fixed at the joint gap of two horizontal purlins, and the length of vertical purlin is matched with the spacing of adjacent horizontal purlin in height direction, and the two sides of the upper and lower ends of vertical purlin are connected with the horizontal purlin of the two sides of joint gap by connecting piece, and the joint gap of adjacent vertical purlin is not greater than 5mm;After the installation of horizontal purlin and vertical purlin, the size of the area formed by metal-faced sandwich panel 600, horizontal purlin and vertical purlin is matched, and the two sides of metal-faced sandwich panel 600 are fixed on vertical purlin by sandwich panel structure nail 800, and the joint gap of adjacent metal-faced sandwich panel 600 is provided with middle joint rubber strip and aluminum alloy decorative sheet 700 filling.
[0029] Further, the web of vertical purlin is flush with the outer edge of horizontal purlin, meets the requirement that the skeleton width of metal-faced sandwich panel 600 middle joint node is required to be ≥120mm, and realizes the purpose that sandwich panel can be spliced on site.
[0030] In order to further illustrate the structure of the present application, the following two vertical purlins and two horizontal purlins are taken as an example to illustrate the specific connecting structure:
[0031] The vertical purlin includes first vertical purlin 110 and second vertical purlin 120, the horizontal purlin includes first horizontal purlin 210 and second horizontal purlin 220, and the connecting piece includes first connecting plate 310, second connecting plate 320, third connecting plate 330 and fourth connecting plate 340.
[0032] As shown in Figure 2 The purlin support plate 400 includes horizontally arranged support plate and vertically arranged stiffener, and the support plate and stiffener are welded into T-shaped, the first horizontal purlin 210 and the second horizontal purlin 220 are provided with through holes corresponding to the bolt holes on the support plate at both ends of the web, and the opposite ends of the first horizontal purlin 210 and the second horizontal purlin 220 are connected with the two groups of bolt holes on the support plate by bolts respectively.
[0033] The connecting piece is a cold-bent flange piece of L shape, bolt holes are arranged on the horizontal part and the vertical part of the connecting piece, and the first vertical purlin 110 and the second vertical purlin 120 are provided with through holes matching the bolt holes on the connecting piece on both ends of the wing plate, as shown in Figure 4 The bottom end of the first vertical purlin 110 is provided with a first connecting plate 310 and a second connecting plate 320 on both sides of the wing plate, the wing plate on one side of the bottom end of the first vertical purlin 110 is fixed on the top surface of the first horizontal purlin 210 through the first connecting plate 310, the wing plate on the other side of the bottom end is fixed on the top surface of the second horizontal purlin 220 through the second connecting plate 320, the top end of the second vertical purlin 120 is provided with a third connecting plate 330 and a fourth connecting plate 340 on both sides of the wing plate, the wing plate on one side of the bottom end of the second vertical purlin 120 is fixed on the bottom surface of the first horizontal purlin 210 through the third connecting plate 330, and the wing plate on the other side is fixed on the bottom surface of the second horizontal purlin 220 through the fourth connecting plate 340; the first connecting plate 310 and the third connecting plate 330 are symmetrically arranged on the upper and lower sides of the first horizontal purlin 210, and the second connecting plate 320 and the fourth connecting plate 340 are symmetrically arranged on the upper and lower sides of the second horizontal purlin 220, therefore, the first connecting plate 310 and the third connecting plate 330 are fixed on the first horizontal purlin 210 through the same group of bolts, and the second connecting plate 320 and the fourth connecting plate 340 are fixed on the second horizontal purlin 220 through the same group of bolts.
[0034] The use of the node effectively improves the installation efficiency of the main and secondary purlins, and facilitates the installation of the enclosure outer plate. The purlin support plate 400 is welded on the steel column 500, the horizontal purlin is preferentially installed on the purlin support plate, and then the vertical purlin is installed, thereby improving the installation efficiency of the main and secondary purlins. The connection of the main and secondary purlins on site adopts ordinary bolts, thereby avoiding the defects such as easy welding of the thin-walled steel, damage to the anticorrosive layer, and the need for paint repair after welding. The width of the connecting piece is less than the width of the wing plate of the vertical purlin minus the width of the horizontal purlin limb, and the bolt holes on the connecting piece are located at the center of the connecting piece 300, thereby avoiding collision during installation of the connecting plate and leaving operation space for on-site construction.
[0035] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A portable C-shaped steel primary and secondary purlin connecting joint, characterized in that: The purlin support plate, vertical purlin, horizontal purlin and connecting piece are adopted, the C-shaped steel is adopted for the vertical purlin and horizontal purlin, a plurality of horizontally arranged purlin support plates are fixed on a steel column and on one side of the metal-faced sandwich panel along the height direction, the interval of the purlin support plates fixed on the same steel column is matched with the height of the metal-faced sandwich panel, the purlin support plates on the adjacent steel columns are symmetrically arranged, each purlin support plate is provided with a horizontally arranged support plate, two groups of bolt holes are symmetrically arranged on the support plate with the center axis of the steel column as the center, each horizontal purlin is fixed on the purlin support plates of the adjacent steel columns through bolts, the vertical purlin is arranged at the joint of the two horizontal purlins, the length of the vertical purlin is matched with the interval of the adjacent horizontal purlins in the height direction, the two sides of the upper and lower ends of the vertical purlin are connected with the horizontal purlins on the two sides of the joint through connecting pieces, and the connecting pieces, the vertical purlin and the horizontal purlin are all connected through bolts.
2. The portable C-shaped steel primary and secondary purlin connecting joint according to claim 1, characterized in that: The joint interval of the adjacent horizontal purlins is not greater than 5 mm, and the joint interval of the adjacent vertical purlins is not greater than 5 mm.
3. The portable C-shaped steel primary and secondary purlin connecting joint according to claim 1, characterized in that: The web of the vertical purlin is flush with the outer edge of the horizontal purlin.
4. The portable C-shaped steel primary and secondary purlin connecting joint according to claim 1, characterized in that: The purlin support plate comprises a horizontally arranged support plate and a vertically arranged stiffening rib, the support plate and the stiffening rib are welded into a T-shaped structure, and the horizontal purlin is provided with a through hole corresponding to the bolt hole on the support plate at both ends of the web.
5. The portable C-steel primary and secondary purlin connection node of claim 1, wherein: The connecting piece is an L-shaped cold-bending edge piece, and the horizontal part and the vertical part of the connecting piece are both provided with bolt holes.
6. The portable C-shaped primary and secondary purlin connection joint of claim 5, wherein: The bolt hole on the connecting piece is located at the center of the connecting piece.
7. The portable C-steel primary and secondary purlin connection node of claim 1, wherein: The area enclosed by the metal-faced sandwich panel and the horizontal purlin and the vertical purlin is matched with the size of the metal-faced sandwich panel, the two sides of the metal-faced sandwich panel are fixed on the vertical purlin through the sandwich panel structure nails, and a middle joint rubber strip and an aluminum alloy decorative sheet are arranged in the joint of the adjacent metal-faced sandwich panels.