Roof continuous purline and steel frame beam connecting structure
By designing a Z-shaped continuous purlin connection structure with the steel frame beam, the problems of inconvenience in the drainage system and impact on decoration caused by direct connection between the steel purlin and the steel frame beam were solved, thereby improving the stability and ease of construction of the roof structure.
Patent Information
- Application Number
- CN202520373807.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-05
AI Technical Summary
The direct connection between steel purlins and steel frame beams in the existing technology makes it inconvenient to set up the drainage system in the roof, affects the installation of electrical wiring during the decoration process, and damages the structural strength of the roof.
The structure adopts a continuous purlin and steel frame beam connection structure. The continuous purlin has a Z-shaped cross-section and is bolted to the purlin support plate and the steel frame beam. The purlin support plate is welded and fixed to the steel frame beam, and triangular stiffening plates and tie rods are set to improve structural stability. The purlin is raised by 50mm to facilitate the installation of the drainage system.
While ensuring the strength and durability of the roof, it improves the ease of setting up the roof drainage system and the convenience of decoration construction, and enhances the stability and support strength of the structure.
Smart Images

Figure CN223853561U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of steel structure building, especially a roof continuous purlin and steel frame beam connecting structure. BACKGROUND
[0002] Roof adopts steel purlin and steel frame beam connection because of simple construction, relatively less steel quantity, and the light steel system because of light weight, strong anti-seismic and wind resistance, realizes factory prefabrication and on-site dry operation etc. SUMMARY
[0003] The utility model discloses a roof continuous purlin and steel frame beam connecting structure to solve the problems in the prior art.
[0004] The utility model discloses a roof continuous purlin and steel frame beam connecting structure to solve the problems in the prior art.
[0005] The utility model discloses a roof continuous purlin and steel frame beam connecting structure to solve the problems in the prior art.
[0006] As a further improvement of the utility model, the height of the continuous purlin and the purlin support plate is 250mm, which guarantees the supporting strength.
[0007] As a further improvement of the utility model, the width of the purlin support plate is 80mm, and the thickness of the purlin support plate and the stiffener plate is 6mm, which guarantees the supporting strength.
[0008] As a further improvement of the utility model, the bolt has two and is in the vertical direction on the same straight line, and the brace includes two parallel upper and lower ones, which improves the structural stability.
[0009] As a further improvement of this utility model, the connection position between the upper tie rod and the continuous purlin is located above the purlin support plate, and the connection position between the upper tie rod and the continuous purlin is located below the bolt position and above the stiffening plate, to ensure structural stability.
[0010] As a further improvement of this utility model, the steel frame beam is made of I-beams, which have strong load-bearing capacity and good durability. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the connection structure between the continuous roof purlins and the steel frame beams of this utility model.
[0012] Figure 2 for Figure 1 Side view.
[0013] Among them, 1 is a continuous purlin, 2 is a steel frame beam, 3 is a bolt, 4 is a purlin support plate, 5 is a stiffening plate, and 6 is a tie rod. Detailed Implementation
[0014] like Figures 1-2 The roof continuous purlin and steel frame beam 2 connection structure shown includes continuous purlin 1 and steel frame beam 2. The steel frame beam 2 is inclined for easy drainage. The continuous purlin 1 has a Z-shaped cross-section, which is more rationally stress-bearing than channel steel. The steel frame beam 2 uses I-beams, which have strong load-bearing capacity and good durability. The distance between the lower surface of the continuous purlin 1 and the upper surface of the steel frame beam 2 is 50mm, meaning the connecting purlin 1 is raised by 50mm, facilitating the installation of the roof drainage system, etc. Purlin support plates 4 are connected to the vertical surface of the continuous purlin 1 by bolts 3. There are two bolts 3, which are vertically aligned. The lower end of the purlin support plate 4 is welded and fixed to the steel frame beam 2. A triangular stiffening plate 5 is provided between the purlin support plate 4 and the steel frame beam 2, with its two right-angled sides welded and fixed to the purlin support plate 4 and the steel frame beam 2 respectively. Tie rods 6 are provided between adjacent continuous purlins 1. The tie rod 6 consists of two parallel rods, one above the other, which improves structural stability. The connection method between the tie rod 6 and the continuous purlin 1 is prior art and will not be described in detail here.
[0015] In this embodiment, the height of both the continuous purlin 1 and the purlin support plate 4 is 250mm, the width of the purlin support plate 4 is 80mm, and the thickness of both the purlin support plate 4 and the stiffening plate 5 is 6mm to ensure support strength. The connection point between the upper tie rod 6 and the continuous purlin 1 is located above the purlin support plate 4, and the connection point between the upper tie rod 6 and the continuous purlin 1 is located below the bolt 3 and above the stiffening plate 5 to ensure structural stability.
[0016] This utility model is not limited to the above embodiments. Based on the technical solutions disclosed in this utility model, those skilled in the art can make some substitutions and modifications to some of the technical features without creative labor, and these substitutions and modifications are all within the protection scope of this utility model.
Claims
1. A structure for connecting a continuous purlin and a steel frame beam, comprising a continuous purlin and a steel frame beam, the cross section of the continuous purlin being Z-shaped, characterized in that: The distance between the lower surface of the continuous purlin and the upper surface of the steel frame beam is not more than 50 mm, a purlin support plate is connected to the vertical surface of the continuous purlin through a bolt, the lower end of the purlin support plate is welded and fixed to the steel frame beam, a triangular stiffener is arranged between the purlin support plate and the steel frame beam, two straight angle edges of the stiffener are respectively welded and fixed to the purlin support plate and the steel frame beam, and a bracing strip is arranged between adjacent continuous purlins.
2. The roof continuous purlin and steel frame beam connecting structure according to claim 1, characterized in that: The height of the continuous purlin and the purlin support plate is 250 mm.
3. The roof continuous purlin and steel frame beam connecting structure according to claim 1, characterized in that: The width of the purlin support plate is 80 mm, and the thickness of the purlin support plate and the stiffener is 6 mm.
4. The roof continuous purlin and steel frame beam connecting structure according to any one of claims 1-3, characterized in that: The bolt has two and is located on the same straight line in the vertical direction, and the bracing strip includes two upper and lower parallel strips.
5. The roof continuous purlin and steel frame beam connecting structure according to claim 4, characterized in that: The connection position of the upper bracing strip and the continuous purlin is located above the purlin support plate, and the connection position of the upper bracing strip and the continuous purlin is located below the bolt position and above the stiffener.
6. The roof continuous purlin and steel frame beam connecting structure according to any one of claims 1-3, characterized in that: The steel frame beam adopts an I-shaped steel.