Prefabricated component connection node

Abstract

A prefabricated component connection node, comprising a prefabricated slab (1) and a prefabricated beam (2), wherein one of a first groove (3) and a first protrusion (4) is provided at one end of the prefabricated slab (1); the other of the first groove (3) and the first protrusion (4) is provided at one end of the prefabricated beam (2); one end of the prefabricated beam (2) is connected to one end of the prefabricated slab (1), and the prefabricated slab (1) is perpendicular to the prefabricated beam (2); and the first groove (3) matches the first protrusion (4) in shape, the first protrusion (4) is inserted into the first groove (3), and the directions of length of the first groove (3) and the first protrusion (4) both extend in the direction of height of the prefabricated slab (1) or the prefabricated beam (2). By providing the first protrusion (4) and the first groove (3), it is possible to effectively prevent leakage of grout at the connection node of the prefabricated slab (1) and the prefabricated beam (2), and also achieve low manufacturing difficulty and low construction difficulty by means of a simple insertion, thereby effectively improving the construction efficiency and improving the project quality.

Description

Precast component connection nodes

[0001] Cross-references to related applications

[0002] This application claims priority to Chinese Patent Application No. 202422679952.2, filed on November 4, 2024, entitled "Prefabricated Component Connection Node", the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of prefabricated construction technology, specifically to a prefabricated component connection node. Background Technology

[0004] Prefabricated concrete buildings refer to concrete structures designed and constructed primarily using precast reinforced concrete components produced in factories, assembled on-site. Some prefabricated buildings utilize precast components as their main structural elements, which are then connected on-site using cast-in-place concrete to form a monolithic prefabricated structure. Prefabricated concrete buildings offer advantages such as rapid construction speed, suitability for winter construction, high production efficiency, good product quality, and reduced material waste.

[0005] In existing prefabricated concrete structures, composite beams and composite slabs are widely used. At the connection points between composite beams and slabs, leakage prevention measures are required. Typically, PE rods are inserted after pouring to prevent leakage. However, this method is prone to leakage during pouring, affecting the quality of the project. Summary of the Invention

[0006] In view of this, this application provides a precast component connection node to solve the problem of easy grout leakage at the connection between existing composite beams and composite slabs.

[0007] In a first aspect, this application provides a prefabricated component connection node, a prefabricated slab, one end of which is provided with one of a first groove and a first protrusion;

[0008] A precast beam has one end provided with the first groove and the other of the first protrusion. One end of the precast beam is connected to one end of the precast slab, and the precast slab is perpendicular to the precast beam. The shape of the first groove and the first protrusion are adapted to each other, and the first protrusion is inserted into the first groove. The length direction of the first groove and the first protrusion both extend along the height direction of the precast slab or the precast beam.

[0009] Beneficial effects: One end of the precast slab at the precast component connection node is provided with one of a first groove and a first protrusion, and one end of the precast beam is provided with the other of the first groove and a first protrusion. When connecting the precast slab and the precast beam, the first protrusion is inserted into the first groove, and the first protrusion and the first groove form multiple sealing surfaces to prevent the leakage of concrete grout. By setting the first protrusion and the first groove, grout leakage at the connection node between the precast slab and the precast beam can be effectively prevented. Furthermore, the manufacturing and construction are simple, requiring only simple insertion, which effectively improves construction efficiency and project quality.

[0010] In one optional embodiment, the first groove or the first protrusion is disposed on the side of the precast slab, and the first groove or the first protrusion penetrates the upper and lower surfaces of the precast slab.

[0011] The first groove or the first protrusion is disposed on the end face of the precast beam, and the first groove or the first protrusion penetrates the upper and lower surfaces of the precast beam.

[0012] Beneficial effects: The first groove or the first protrusion is set on the side of the precast slab and on the end face of the precast beam, so that the first groove and the first protrusion can complete the vertical setting of the precast slab and the precast beam. The first groove or the first protrusion penetrates the upper and lower surfaces of the precast slab or the precast beam, so that the first groove and the first protrusion form a complete and continuous sealing surface, effectively improving the sealing effect.

[0013] In one alternative embodiment, the first groove is disposed on the precast slab, and the first protrusion is disposed on the precast beam.

[0014] Beneficial effects: Setting the first groove in the precast slab facilitates the transportation of the precast slab, allowing multiple precast slabs to be stacked together in the vertical direction for transportation, avoiding damage to the first protrusion during transportation, which would affect the use of the precast slab and save construction costs.

[0015] In one alternative embodiment, both the first groove and the first protrusion have rectangular cross-sections along their length directions.

[0016] Beneficial effects: The cross-sections of the first groove and the first protrusion along the direction perpendicular to their own length are both set as rectangles, which is convenient to process and easy to construct. It is convenient to insert the first protrusion into the first groove during construction, and the first groove and the first protrusion can form three sealing surfaces, which can effectively prevent the slurry from flowing out.

[0017] In one alternative embodiment, the side length of the first groove and the first protrusion along the cross section perpendicular to their own length direction is 10 mm.

[0018] Beneficial effects: This size ensures the structural strength of the first groove and the first protrusion without compromising the structural strength of the precast beam or slab, ensuring a tight connection and effectively preventing grout leakage. In other embodiments, other sizes can be set according to engineering needs.

[0019] In one alternative embodiment, both the first groove and the first protrusion have semi-circular cross-sections along their length directions.

[0020] Beneficial effects: Setting the cross-section of the first groove and the first protrusion along the direction perpendicular to their own length as a semi-circle can effectively reduce the manufacturing difficulty, and the semi-circle can effectively reduce the splicing difficulty of the precast slab and the precast beam, and reduce the possibility of the first protrusion being damaged.

[0021] In one alternative embodiment, when the top surface of the first protrusion abuts against the bottom surface of the first groove, the side surface of the precast slab abuts against the end face of the precast beam.

[0022] Beneficial effects: The contact between the side of the precast slab and the end face of the precast beam can enhance the sealing effect of the first protrusion and the first groove, while reducing the possibility of damage to the first protrusion.

[0023] In one optional embodiment, the system further includes a second protrusion and a second groove, wherein the second protrusion is disposed on the top surface of the first protrusion, the second groove is disposed on the bottom of the first groove, and the second protrusion is inserted into the second groove.

[0024] Beneficial effects: By setting the second protrusion and the second groove, more sealing surfaces can be formed, further enhancing the sealing effect and preventing grout leakage.

[0025] In one alternative embodiment, both the first protrusion and the second protrusion are made of concrete.

[0026] Beneficial effects: The first and second protrusions are integrally formed with the precast slab or precast beam by means of formwork, resulting in low manufacturing cost and high connection strength.

[0027] In one alternative embodiment, both the first protrusion and the second protrusion are made of steel.

[0028] Beneficial effects: During the manufacturing process of precast beams or slabs, steel is pre-embedded in the corresponding positions. After the precast beams or slabs are formed, the steel can form the first and second protrusions. The manufacturing is simple and convenient, and the first and second protrusions have high structural strength, reducing the possibility of damage to the first and second protrusions. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0030] Figure 1 is a top view of a prefabricated component connection node according to an embodiment of this application;

[0031] Figure 2 is a top view of another prefabricated component connection node according to an embodiment of this application;

[0032] Figure 3 is a top view of another prefabricated component connection node according to an embodiment of this application.

[0033] Explanation of reference numerals in the attached drawings: 1. Precast slab; 2. Precast beam; 3. First groove; 4. First protrusion; 5. Second groove; 6. Second protrusion. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0035] The following describes an embodiment of the prefabricated component connection node of this application with reference to Figures 1 to 3.

[0036] According to an embodiment of this application, in one aspect, a precast component connection node is provided, including a precast slab 1 and a precast beam 2. One end of the precast slab 1 is provided with one of a first groove 3 and a first protrusion 4; one end of the precast beam 2 is provided with the other of the first groove 3 and the first protrusion 4. One end of the precast beam 2 is connected to one end of the precast slab 1, and the precast slab 1 and the precast beam 2 are arranged perpendicularly. The first groove 3 and the first protrusion 4 are adapted in shape, and the first protrusion 4 is inserted into the first groove 3. The length direction of both the first groove 3 and the first protrusion 4 extends along the height direction of the precast slab 1 or the precast beam 2.

[0037] In this embodiment, the precast slab 1 of the precast component connection node is provided with one of a first groove 3 and a first protrusion 4 at one end, and the precast beam 2 is provided with the other of the first groove 3 and the first protrusion 4 at one end. When connecting the precast slab 1 and the precast beam 2, the first protrusion 4 is inserted into the first groove 3. The first protrusion 4 and the first groove 3 form multiple sealing surfaces to prevent the outflow of concrete slurry. By setting the first protrusion 4 and the first groove 3, grout leakage at the connection node between the precast slab 1 and the precast beam 2 can be effectively prevented. Furthermore, the manufacturing and construction are simple, requiring only simple insertion, which effectively improves construction efficiency and project quality.

[0038] In one embodiment, the first groove 3 or the first protrusion 4 is disposed on the side of the precast slab 1, and the first groove 3 or the first protrusion 4 penetrates both the upper and lower surfaces of the precast slab 1; the first groove 3 or the first protrusion 4 is disposed on the end face of the precast beam 2, and the first groove 3 or the first protrusion 4 penetrates both the upper and lower surfaces of the precast beam 2. By disposing the first groove 3 or the first protrusion 4 on the side of the precast slab 1 and on the end face of the precast beam 2, the first groove 3 and the first protrusion 4 can achieve a vertical arrangement of the precast slab 1 and the precast beam 2. The first groove 3 or the first protrusion 4 penetrating both the upper and lower surfaces of the precast slab 1 or the precast beam 2 forms a complete and continuous sealing surface, effectively improving the sealing effect.

[0039] In one embodiment, a first groove 3 is disposed on the precast slab 1, and a first protrusion 4 is disposed on the precast beam 2. Disposing the first groove 3 on the precast slab 1 facilitates the transportation of the precast slab 1, allows multiple precast slabs 1 to be stacked together in the vertical direction for transportation, avoids damage to the first protrusion 4 caused by force during transportation, thereby affecting the use of the precast slab 1 and saving construction costs.

[0040] In one embodiment, the cross-sections of the first groove 3 and the first protrusion 4 along their length directions are both rectangular. Setting the cross-sections of the first groove 3 and the first protrusion 4 along their length directions as rectangular makes processing convenient and construction easy. It also makes it easy to insert the first protrusion 4 into the first groove 3 during construction, and the first groove 3 and the first protrusion 4 can form three sealing surfaces, which can effectively prevent slurry from flowing out.

[0041] In one embodiment, the side length of the cross-section of the first groove 3 and the first protrusion 4 along the direction perpendicular to their own length is 10 mm. This dimension ensures the structural strength of the first groove 3 and the first protrusion 4 themselves without compromising the structural strength of the precast beam 2 or the precast slab 1, ensuring a tight connection and effectively preventing grout leakage. In other embodiments, other dimensions can be set according to engineering needs.

[0042] In one embodiment, the cross-sections of the first groove 3 and the first protrusion 4 along their length directions are both semi-circular. Setting the cross-sections of the first groove 3 and the first protrusion 4 along their length directions as semi-circular can effectively reduce manufacturing difficulty, and the semi-circular shape can effectively reduce the splicing difficulty of the precast slab 1 and the precast beam 2, and reduce the possibility of damage to the first protrusion 4.

[0043] In one embodiment, when the top surface of the first protrusion 4 abuts against the bottom surface of the first groove 3, the side surface of the precast slab 1 abuts against the end face of the precast beam 2. The abutment between the side surface of the precast slab 1 and the end face of the precast beam 2 can enhance the sealing effect of the first protrusion 4 and the first groove 3, while reducing the possibility of damage to the first protrusion 4.

[0044] In one embodiment, the precast component connection node further includes a second protrusion 6 and a second groove 5. The second protrusion 6 is disposed on the top surface of the first protrusion 4, and the second groove 5 is disposed on the bottom of the first groove 3. The second protrusion 6 is inserted into the second groove 5. By providing the second protrusion 6 and the second groove 5, more sealing surfaces can be formed, further enhancing the sealing effect and preventing grout leakage.

[0045] In one embodiment, both the first protrusion 4 and the second protrusion 6 are made of concrete. The first protrusion 4 and the second protrusion 6 are integrally formed with the precast slab 1 or the precast beam 2 by means of formwork, which results in low manufacturing cost and high connection strength.

[0046] In one embodiment, both the first protrusion 4 and the second protrusion 6 are made of steel. During the manufacturing process of the precast beam 2 or precast slab 1, steel is pre-embedded at the corresponding positions. After the precast beam 2 or precast slab 1 is formed, the steel can form the first protrusion 4 and the second protrusion 6. The manufacturing process is simple and convenient, and the first protrusion 4 and the second protrusion 6 have high structural strength, reducing the possibility of damage to the first protrusion 4 and the second protrusion 6.

[0047] Although embodiments of this application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of this application, and all such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A prefabricated component connection node, characterized in that, include: The precast slab (1) has one of a first groove (3) and a first protrusion (4) at one end; A precast beam (2) is provided at one end with one of the first groove (3) and the first protrusion (4). One end of the precast beam (2) is connected to one end of the precast slab (1), and the precast slab (1) is perpendicular to the precast beam (2). The shape of the first groove (3) and the first protrusion (4) are adapted to each other and the first protrusion (4) is inserted into the first groove (3). The length direction of the first groove (3) and the first protrusion (4) extends along the height direction of the precast slab (1) or the precast beam (2).

2. The prefabricated component connection node according to claim 1, characterized in that, The first groove (3) or the first protrusion (4) is disposed on the side of the precast plate (1), and the first groove (3) or the first protrusion (4) penetrates the upper and lower surfaces of the precast plate (1); The first groove (3) or the first protrusion (4) is disposed on the end face of the precast beam (2), and the first groove (3) or the first protrusion (4) penetrates the upper and lower surfaces of the precast beam (2).

3. The prefabricated component connection node according to claim 1, characterized in that, The first groove (3) is disposed on the precast slab (1), and the first protrusion (4) is disposed on the precast beam (2).

4. The prefabricated component connection node according to claim 1, characterized in that, Both the first groove (3) and the first protrusion (4) have rectangular cross sections along their length direction.

5. The prefabricated component connection node according to claim 4, characterized in that, The side length of the first groove (3) and the first protrusion (4) along the cross section perpendicular to their own length direction is 10mm.

6. The prefabricated component connection node according to claim 1, characterized in that, The first groove (3) and the first protrusion (4) have semi-circular cross sections along their length direction.

7. The prefabricated component connection node according to claim 1, characterized in that, When the top surface of the first protrusion (4) abuts against the bottom surface of the first groove (3), the side surface of the precast slab (1) abuts against the end face of the precast beam (2).

8. The prefabricated component connection node according to any one of claims 1-7, characterized in that, It also includes a second protrusion (6) and a second groove (5), the second protrusion (6) being disposed on the top surface of the first protrusion (4), the second groove (5) being disposed on the bottom of the first groove (3), and the second protrusion (6) being inserted into the second groove (5).

9. The prefabricated component connection node according to claim 8, characterized in that, Both the first protrusion (4) and the second protrusion (6) are made of concrete.

10. The prefabricated component connection node according to claim 8, characterized in that, Both the first protrusion (4) and the second protrusion (6) are made of steel.

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