Prefabricated column and prefabricated beam connecting structure
By designing the connection structure of prefabricated columns and prefabricated beams, and using embedded connectors and bolts for quick connection, the problem of prefabricated structure connection nodes in the prior art needs to be treated in cast-in-place, achieving a fast and efficient construction process.
Patent Information
- Application Number
- CN202421419038.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-20
AI Technical Summary
In the prior art, cast-in-place processing is used at the connection nodes of prefabricated structures, resulting in most of the nodes being on-site wet operations, the ribs are complicated, difficult to operate, and the construction cycle is slow.
A prefabricated column and prefabricated beam connection structure is designed, with a column head on the top of the prefabricated column, and the first connecting piece is embedded inside; a cavity is provided with a cavity at the end of the prefabricated beam, and concrete is filled in the cavity, and the second connecting piece is embedded inside. The first connector and the second connector are connected by bolts to form a fast and efficient connection method.
The rapid connection of prefabricated beam and column nodes is realized, avoiding the complexity and long cycle of traditional cast-in-place construction, simplifying the construction process, and reducing dust pollution and labor use.
Smart Images
Figure CN222649064U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a prefabricated column and prefabricated beam connection structure. Background Art
[0002] In recent years, the country has vigorously promoted and applied prefabricated buildings. With the continuous innovation and development of prefabricated buildings, more and more new prefabricated parts have emerged, such as new lightweight prefabricated beams, floor slabs, composite beams, composite floor slabs, etc. As the peripheral structure of prefabricated buildings, the design of the nodes of prefabricated beams is particularly important.
[0003] In the prior art, the connection nodes of prefabricated structures are cast in situ. The prefabricated components at the nodes are built with steel bars overlapped to form steel bar anchors. During construction, wooden formwork or aluminum formwork is used to enclose the nodes of the prefabricated components, and then concrete is cast in situ. Although this method can ensure the integrity and connection reliability of the nodes to a certain extent, there is a large amount of cast-in-situ work, and most of the nodes are wet operations on site. The reinforcement layout is complicated, difficult to operate, and the construction period is slow. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a prefabricated column and prefabricated beam connection structure.
[0005] In order to solve the above problems, the utility model provides the following technical solutions:
[0006] A prefabricated column and prefabricated beam connection structure, wherein a column head is provided at the top of the prefabricated column, a first connecting member is embedded in the column head, a cavity is provided at the end of the prefabricated beam, the cavity is filled with concrete, a second connecting member is embedded in the cavity, the second connecting member of the prefabricated beam corresponds to the first connecting member in the column head one by one, and the first connecting member and the second connecting member are connected by bolts.
[0007] Further technology of the utility model:
[0008] Preferably, the first connecting member includes a threaded sleeve embedded in the column head and a first steel bar connected to the threaded sleeve, and the first steel bar is connected to the steel cage in the column head.
[0009] Preferably, the second connecting member includes a steel plate embedded in the cavity, a threaded mounting hole is arranged on the steel plate, a second steel bar is connected to one side of the steel plate, the second steel bar extends into the prefabricated beam and is connected to the steel cage in the prefabricated beam, and the bolt passes through the threaded mounting hole and is screwed into the threaded sleeve.
[0010] Preferably, the steel plate is provided with a threaded hole, and the end of the second steel bar is threaded and screwed into the threaded hole to be connected to the steel plate.
[0011] Preferably, pads are provided on both sides of the steel plate, the pad on one side of the steel plate is fixed by bolts, and the pad on the other side of the steel plate is fixed by nuts.
[0012] Preferably, the connecting end surfaces of the prefabricated beam and the column head are both stepped surfaces, and a connecting structure of a first connecting member and a second connecting member is provided on the end surface of each step.
[0013] Preferably, the stepped end face of the prefabricated beam is provided with a concave area, the pad on the other side of the steel plate is arranged in the concave area, and the gap between the concave area and the stepped end face of the column head is filled with grouting material for sealing.
[0014] The beneficial effects of the above technical solution are:
[0015] The beam-column node of the utility model adopts a first connecting member and a second connecting member for connection, and has the advantages that the first connecting member is pre-buried in the column head, and the second connecting member is pre-buried in the cavity of the prefabricated beam. It is mass-produced at the factory and can be directly hoisted after being transported to the site. After the hoisting is completed, the nodes are connected with bolts. The construction is simple, and fast and efficient work can be formed, avoiding dust pollution and the use of a large amount of labor in traditional construction operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.
[0017] Figure 1 It is a schematic diagram of the connection structure of a prefabricated column and a prefabricated beam;
[0018] Figure 2 is a schematic diagram of the structure of the second connecting member;
[0019] Among them: 10. precast beam; 11. precast column; 12. column head; 13. threaded sleeve; 14. first steel bar; 15. bolt; 16. concrete; 17. grouting material; 18. steel plate; 19. second steel bar; 20. threaded mounting hole; 21. pad; 22. nut; 23. concave area. DETAILED DESCRIPTION
[0020] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
[0021] like Figure 1-2In this embodiment, a prefabricated column and prefabricated beam connection structure is provided. The top of the prefabricated column 11 is provided with a column head 12, and a first connecting member is embedded in the column head 12. The beam end of the prefabricated beam 10 is provided with a cavity, and the cavity is filled with concrete 16. A second connecting member is embedded in the cavity. The second connecting member of the prefabricated beam 10 corresponds to the first connecting member in the column head 12 one by one, and the first connecting member and the second connecting member are connected by bolts 15.
[0022] The first connecting member is embedded in the column head 12, and the second connecting member is embedded in the cavity of the prefabricated beam 10. They are mass-produced at the factory and can be directly hoisted after being transported to the site. After the hoisting is completed, the nodes are connected with bolts 15. After the bolts 15 are connected, concrete 16 is poured to fill the cavity.
[0023] The first connecting member includes a threaded sleeve 13 embedded in the column head 12 and a first steel bar 14 connected to the threaded sleeve 13 . The first steel bar 14 is connected to the steel cage in the column head 12 .
[0024] The second connecting member includes a steel plate 18 built into the cavity, a threaded mounting hole 20 is set on the steel plate 18, a second steel bar 19 is connected to one side of the steel plate 18, the second steel bar 19 extends into the prefabricated beam 10 and is connected to the steel cage in the prefabricated beam 10, and the bolt 15 passes through the threaded mounting hole 20 and is screwed into the threaded sleeve 13.
[0025] The connection method of the steel plate and the second steel bar is: a threaded hole is formed on the steel plate, and a thread is formed on the end of the second steel bar, which is screwed into the threaded hole to be connected to the steel plate.
[0026] Pads 21 are provided on both sides of the steel plate. The pad on one side of the steel plate is fixed by bolts 15 , and the pad on the other side of the steel plate is fixed by nuts 22 .
[0027] The connecting end surfaces of the prefabricated beam and the column head are both stepped surfaces, and a connecting structure of a first connecting member and a second connecting member is provided on the end surface of each step.
[0028] The stepped end face of the prefabricated beam is provided with a concave area 23, a pad on the other side of the steel plate is arranged in the concave area, and a grouting material 17 is filled in the gap between the concave area and the stepped end face of the column head for sealing.
[0029] The second steel bar 19 is placed inside the prefabricated beam 10, extends into the cavity, and is welded to the C-shaped steel plate structure arranged in the cavity. After hoisting the prefabricated column 11 and the prefabricated beam 10, the operator only needs to install the bolt 15 at the connecting piece position, and the beam and column can form an effective connection.
[0030] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.
[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A prefabricated column and prefabricated beam connection structure, characterized in that: A column cap is provided on the top of the prefabricated column, a first connecting member is embedded in the column cap, a cavity is provided at the end of the prefabricated beam, the cavity is filled with concrete, a second connecting member is embedded in the cavity, the second connecting member of the prefabricated beam corresponds one-to-one to the first connecting member in the column cap, and the first connecting member and the second connecting member are connected by bolts.
2. A prefabricated column and prefabricated beam connection structure according to claim 1, characterized in that: The first connecting member includes a threaded sleeve embedded in the column head and a first steel bar connected to the threaded sleeve, and the first steel bar is connected to the steel cage in the column head.
3. A prefabricated column and prefabricated beam connection structure according to claim 2, characterized in that: The second connecting member includes a steel plate built into the cavity, a threaded mounting hole is arranged on the steel plate, a second steel bar is connected to one side of the steel plate, the second steel bar extends into the prefabricated beam and is connected to the steel cage in the prefabricated beam, and the bolt passes through the threaded mounting hole and is screwed into the threaded sleeve.
4. A prefabricated column and prefabricated beam connection structure according to claim 3, characterized in that: The steel plate is provided with a threaded hole, and the end of the second steel bar is threaded and screwed into the threaded hole to be connected with the steel plate.
5. A prefabricated column and prefabricated beam connection structure according to claim 4, characterized in that: Pads are provided on both sides of the steel plate. The pad on one side of the steel plate is fixed by bolts, and the pad on the other side of the steel plate is fixed by nuts.
6. A prefabricated column and prefabricated beam connection structure according to claim 5, characterized in that: The connecting end surfaces of the prefabricated beam and the column head are both stepped surfaces, and a connecting structure of a first connecting member and a second connecting member is provided on the end surface of each step.
7. A prefabricated column and prefabricated beam connection structure according to claim 6, characterized in that: The stepped end surface of the prefabricated beam is provided with a concave area, the pad on the other side of the steel plate is arranged in the concave area, and the gap between the concave area and the stepped end surface of the column head is filled with grouting material for sealing.