Connecting joint of main beam and secondary beam
By setting grooves and connection joints on the connection nodes of prefabricated main beams and secondary beams, combined with the design of bolts and limit holes, the problem of long construction periods of main beams and secondary beams in the prior art is solved, and the effects of rapid installation, stable connection and convenient disassembly are achieved.
Patent Information
- Application Number
- CN202421438784.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-21
AI Technical Summary
In the prior art, the connection method between the main beam and the secondary beam usually requires on-site pouring of concrete, resulting in a long construction period, the components cannot be disassembled and reused, and there are problems of wet operations and environmental pollution.
A connection node between the main beam and the secondary beam is designed. By setting grooves on the prefabricated main beam and setting connections plugged into the grooves at the ends of the prefabricated secondary beam, rapid installation and convenient disassembly are achieved. At the same time, through the design of studs and limit holes, the horizontal displacement of the secondary beam is limited to ensure stable connection.
The rapid installation and convenient disassembly of the main beam and the secondary beam are achieved, ensuring the stability and reusability of the connection, reducing on-site wet operations and environmental pollution, and improving construction efficiency and building sustainability.
Smart Images
Figure CN222716239U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of prefabricated buildings, and in particular to a connection node between a main beam and a secondary beam. Background Art
[0002] At present, in order to meet the needs of production and manufacturing, there are a large number of temporary buildings. Temporary building structures are usually assembled from container structures or overlapped with color steel plates. They have poor sound insulation, weak structural bearing capacity and are prone to rust. Compared with concrete buildings, the living experience is poor.
[0003] The connection between the main beam and the secondary beam of a conventional concrete building is generally made by integrally pouring steel bars and concrete. After the steel bars of the main beam and the secondary beam are uniformly tied, the main beam and the secondary beam are poured together with concrete to form a shape. This method is to pour concrete on site, which involves a large amount of wet work, requires a support system to be set up on site, has a long construction period, and after the concrete is poured and formed, the components cannot be disassembled and reused.
[0004] The secondary beam construction of conventional prefabricated buildings is to overlap the two ends of the secondary beam into the grooves reserved on the main beams at both ends, and then pour grouting material at the connection nodes formed between the prefabricated beams and the prefabricated columns, so as to achieve a stable connection between the main beam and the secondary beam through the cast-in-place nodes. Similarly, the connection nodes formed by cast-in-place make it impossible to disassemble and reuse the main beam and the secondary beam at a later time. Utility Model Content
[0005] In order to improve the problem that the main beam and the secondary beam are difficult to dismantle after the construction is completed, the present application provides a connection node between the main beam and the secondary beam.
[0006] The present application provides a connection node between a main beam and a secondary beam, which adopts the following technical solution:
[0007] A connection node between a main beam and a secondary beam, comprising a prefabricated main beam and a prefabricated secondary beam connected to the prefabricated main beam, wherein the prefabricated main beam is provided with a groove extending downward from an upper surface;
[0008] The end of the prefabricated secondary beam is provided with a connecting joint for being inserted into the groove.
[0009] Furthermore, the prefabricated main beam includes a main beam body and a connecting block arranged on the side wall of the main beam body, and the groove is opened downward from the upper surface of the connecting block.
[0010] Furthermore, a bolt is vertically arranged in the groove, and the bolt is partially embedded in the concrete below the bottom wall of the groove;
[0011] A limiting hole is formed through the middle of the connecting joint. When the connecting joint is inserted into the groove, the bolt is inserted into the limiting hole.
[0012] Furthermore, an enlarged head is provided at one end of the bolt located in the connecting joint.
[0013] Furthermore, the width of the groove gradually narrows toward the prefabricated secondary beam, and the connection joint matches the shape and cross-sectional area of the groove.
[0014] Furthermore, the height of the connection block is the same as the height of the prefabricated main beam, and the upper and lower surfaces of the connection block are coplanar with the upper and lower surfaces of the prefabricated main beam.
[0015] Furthermore, the width of the connection block is the same as the width of the prefabricated secondary beam, and after the prefabricated secondary beam is connected to the prefabricated main beam, the upper surface of the prefabricated secondary beam is coplanar with the upper surface of the connection block.
[0016] Furthermore, embedded parts are provided in the prefabricated secondary beam, the embedded parts and the connecting joint are integrally formed, and the embedded parts are fixed to the steel cage in the prefabricated secondary beam.
[0017] In summary, the present application includes at least one of the following beneficial effects:
[0018] 1. The present invention provides a groove on the prefabricated main beam, and provides a connecting joint at the end of the prefabricated secondary beam that is plugged into the groove, so that the secondary beam and the main beam can be quickly installed and conveniently disassembled;
[0019] 2. By inserting the bolts into the limiting holes of the connection joints, or by setting the shape of the limiting grooves, the horizontal displacement of the prefabricated secondary beam can be limited, so that the prefabricated secondary beam is not easy to separate from the prefabricated main beam, and a more stable installation between the prefabricated main beam and the prefabricated secondary beam can be achieved;
[0020] 3. The connection block is provided to reduce the influence of the connection between the prefabricated main beam and the prefabricated secondary beam on the structural strength of the prefabricated main beam, so that the overall structural strength of the prefabricated main beam is not destroyed. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a top view of a connection node between a main beam and a secondary beam in Example 1 of the present application;
[0022] Figure 2 It is a side cutaway schematic diagram of a connection node between a main beam and a secondary beam in Example 1 of the present application;
[0023] Figure 3 It is a schematic diagram of the three-dimensional effect of a connection node between a main beam and a secondary beam in Example 2 of the present application.
[0024] Explanation of the reference numerals: 1. prefabricated main beam; 11. groove; 12. main beam body; 13. connection block; 2. prefabricated secondary beam; 21. connection joint; 211. limiting hole; 22. embedded part; 3. bolt; 31. enlarged head. DETAILED DESCRIPTION
[0025] The following is combined with Figure 1-3 To further explain this application in detail, it is necessary to explain that Figure 1-3 All of the prefabricated main beams shown are provided with connecting blocks.
[0026] Example 1
[0027] The embodiment of the present application discloses a connection node between a main beam and a secondary beam, referring to Figure 1 and Figure 2 A connection node between a main beam and a secondary beam includes a prefabricated main beam 1 that has been constructed and a prefabricated secondary beam 2 to be constructed, and the prefabricated secondary beam 2 is overlapped on the prefabricated main beam 1. The prefabricated main beam 1 is provided with a groove 11 from the upper surface downward, and the end of the prefabricated secondary beam 2 is provided with a connection joint 21 for plugging into the groove 11. When constructing the prefabricated secondary beam 2, the prefabricated secondary beam 2 is hoisted from above the prefabricated main beam 1 until the connection joint 21 and the groove 11 are aligned, and then the prefabricated secondary beam 2 is lowered so that the connection joint 21 is plugged into the groove 11, thereby installing the prefabricated secondary beam 2 on the prefabricated main beam 1.
[0028] In this embodiment, a bolt 3 is embedded in the prefabricated main beam 1, and part of the bolt 3 is located in the prefabricated main beam 1, and part of the bolt 3 extends vertically from the bottom wall of the groove 11; a limiting hole 211 is penetrated through the connecting joint 21, and when the connecting joint 21 is inserted into the groove 11, the bolt 3 is inserted into the limiting hole 211, and the horizontal limitation of the prefabricated secondary beam 2 is achieved by the bolt 3.
[0029] In another embodiment, the end of the bolt 3 located in the prefabricated main beam 1 is provided with an enlarged head 31. By providing the enlarged head 31, the anchoring force between the bolt 3 and the prefabricated main beam 1 can be increased, thereby improving the connection strength.
[0030] In another embodiment, an embedded part 22 is further provided in the prefabricated secondary beam 2. The embedded part 22 and the connecting joint 21 are integrally formed, and the embedded part 22 is fixed to the steel cage in the prefabricated secondary beam 2. By providing the embedded part 22, the anchoring strength between the connecting joint 21 and the prefabricated secondary beam 2 can be enhanced.
[0031] Example 2
[0032] The difference between Example 2 of the present application and Example 1 is that, referring to Figure 3The width of the groove 11 gradually narrows toward the prefabricated secondary beam 2, and the shape and cross-sectional area of the connecting joint 21 match those of the groove 11. When the connecting joint 21 is hoisted from above the prefabricated main beam 1 and inserted into the groove 11, the prefabricated secondary beam 2 is difficult to separate from the prefabricated main beam 1 in the horizontal direction, thereby realizing the connection between the prefabricated main beam 1 and the prefabricated secondary beam 2.
[0033] When disassembly is required, the prefabricated secondary beam 2 only needs to be lifted upwards to complete the disassembly between the prefabricated main beam 1 and the prefabricated secondary beam 2. It should be noted that in the second embodiment, the bolt 3 may or may not be provided in the groove 11.
[0034] Embodiment 3,
[0035] The difference between Example 3 of the present application and Examples 1 and 2 is that the prefabricated main beam 1 includes a main beam body 12 and a connecting block 13 arranged on the side wall of the main beam body 12, the groove 11 is opened downward from the upper surface of the connecting block 13, and the specific limiting method between the prefabricated secondary beam 2 and the prefabricated main beam 1 can be the structure in Example 1 or the structure in Example 2. By setting the connecting block 13, the structure of the main beam body 12 can be preserved, so that the structural strength of the prefabricated main beam 1 is not affected by the installation of the prefabricated secondary beam 2.
[0036] Furthermore, the width of the connecting block 13 is consistent with the width of the prefabricated secondary beam 2, and after the prefabricated secondary beam 2 and the prefabricated main beam 1 are installed, at least the upper surface of the prefabricated secondary beam 2 and the upper surface of the connecting block 13 are coplanar, so that after the prefabricated secondary beam 2 and the connecting block 13 are connected, the appearance is more beautiful.
[0037] The implementation principle of a connection node between a main beam and a secondary beam in an embodiment of the present application is as follows: the core concept of the connection node design of the present application is to combine the traditional mortise and tenon structure assembly concept into concrete buildings, so that when forming a concrete building, a stable connection node can be formed at the connection between each component without grouting; at the same time, each concrete component can be prefabricated and processed in a factory and transported to the site for assembly and construction, and the components can be dismantled, replaced, and reused, forming a concrete temporary building construction system, which has the convenience of quick installation and disassembly of a steel structure temporary building, and also has the living comfort of a concrete building.
[0038] In addition, when the connection nodes of this application are constructed, there is no wet operation on site, which is clean and environmentally friendly, reducing pollution to the environment.
[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A connection node between a main beam and a secondary beam, characterized in that: It comprises a prefabricated main beam (1) and a prefabricated secondary beam (2) connected to the prefabricated main beam (1), wherein the prefabricated main beam (1) is provided with a groove (11) extending downward from the upper surface; The end of the prefabricated secondary beam (2) is provided with a connecting joint (21) for being inserted into the groove (11); The prefabricated main beam (1) comprises a main beam body (12) and a connecting block (13) arranged on a side wall of the main beam body (12); the groove (11) is opened downward from the upper surface of the connecting block (13); a bolt (3) is vertically arranged in the groove (11); the bolt (3) is partially embedded in the concrete below the bottom wall of the groove (11); A limiting hole (211) is provided through the middle of the connection joint (21); when the connection joint (21) is inserted into the groove (11), the bolt (3) is inserted into the limiting hole (211).
2. A connection node between a main beam and a secondary beam according to claim 1, characterized in that: An enlarged head (31) is provided at one end of the bolt (3) located inside the connecting joint (21).
3. The connection node between the main beam and the secondary beam according to claim 1, characterized in that: The width of the groove (11) gradually narrows towards the prefabricated secondary beam (2), and the connection joint (21) matches the shape and cross-sectional area of the groove (11).
4. The connection node between the main beam and the secondary beam according to claim 1, characterized in that: The height of the connection block (13) is the same as the height of the prefabricated main beam (1), and the upper and lower surfaces of the connection block (13) are coplanar with the upper and lower surfaces of the prefabricated main beam (1).
5. A connection node between a main beam and a secondary beam according to claim 4, characterized in that: The width of the connection block (13) is the same as the width of the prefabricated secondary beam (2); after the prefabricated secondary beam (2) is connected to the prefabricated main beam (1), the upper surface of the prefabricated secondary beam (2) is coplanar with the upper surface of the connection block (13).
6. The connection node between the main beam and the secondary beam according to claim 1, characterized in that: An embedded part (22) is also provided in the prefabricated secondary beam (2), the embedded part (22) and the connecting joint (21) are integrally formed, and the embedded part (22) is fixed to the steel cage in the prefabricated secondary beam (2).