Prefabricated laminated slab connecting joint structure for fabricated building

Abstract

The utility model relates to the technical field of laminated slab, disclose a prefabricated laminated slab connecting joint structure for fabricated building, including prefabricated stand, the four peripheral fixed settings of prefabricated stand have mounting panel, four the mounting panel front end middle part is equipped with and places the groove, four the inside of placing the groove has the connection block, four the upper end of connection block is equipped with through -hole, four the front end fixedly connected with connecting seat of connection block, four the inside lower extreme of mounting panel is equipped with first installation groove and its upper end is through with placing the groove. In the utility model, the structure can replace the connecting seat according to the laminated slab body of different specifications to be quick, thereby can be flexible to respond to the splicing work of laminated slab body of different thickness or load grade, be convenient for later maintenance or reconstruction, also can carry out quick positioning installation to laminated slab body, need not on -the -spot repeated measurement, leveling, alignment, reduce the adjustment time, simplify the installation process, accelerate the overall assembly progress.

Description

Technical Field

[0001] This utility model relates to the field of composite slab technology, and in particular to a connection node structure for prefabricated composite slabs used in prefabricated buildings. Background Technology

[0002] Composite slabs are prefabricated monolithic floor slabs made by stacking precast slabs and cast-in-place reinforced concrete layers. Composite slabs offer good overall integrity, with smooth upper and lower surfaces that facilitate finishing, making them suitable for high-rise buildings and large-span buildings requiring high overall rigidity. Their high rigidity and structural integrity also save on formwork, and the smooth surfaces facilitate finishing, making them ideal for high-rise buildings and large-span buildings where high overall rigidity is required. During the finishing process, it is often necessary to connect multiple composite slabs.

[0003] In most existing prefabricated composite slab connection node structures used in prefabricated buildings, the position of the connecting seat is usually fixed. It is not possible to quickly replace the connecting seat according to the different specifications of the composite slab body. It is difficult to flexibly deal with the splicing work of composite slab bodies with different thicknesses or load levels. Moreover, the composite slab body is fixed by bolts and nuts, and repeated on-site measurement, leveling and alignment are required, which increases the adjustment time and reduces the overall assembly progress.

[0004] Therefore, those skilled in the art provide a prefabricated composite slab connection node structure for prefabricated buildings to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a prefabricated composite slab connection node structure for prefabricated buildings. This structure allows for quick replacement of the connection seat according to different specifications of composite slab bodies, thereby flexibly handling the splicing work of composite slab bodies of different thicknesses or load levels, facilitating later maintenance or modification, and also enabling quick positioning and installation of composite slab bodies without the need for repeated on-site measurement, leveling, and alignment, reducing adjustment time, simplifying the installation process, and accelerating the overall assembly progress.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A prefabricated composite slab connection node structure for prefabricated buildings includes prefabricated columns, mounting plates fixedly installed around the perimeter of the prefabricated columns, placement grooves formed at the center of the front ends of the four mounting plates, connecting blocks placed inside the four placement grooves, through holes formed at the upper ends of the four connecting blocks, connecting seats fixedly connected to the front ends of the four connecting blocks, first mounting grooves formed at the lower ends of the four mounting plates with their upper ends communicating with the placement grooves, first sliding grooves formed on both sides of the four first mounting grooves, sliders slidably installed inside the multiple first sliding grooves, sliding strips fixedly connected between each pair of sliders and respectively located inside the first mounting grooves, threaded holes formed at the lower ends of the four sliding strips, and screws rotatably installed inside the four threaded holes;

[0008] The four connecting seats have second mounting grooves on the inner side walls on both sides, and second sliding grooves are formed on both sides inside the second mounting grooves. Guide rods are fixedly installed inside the second sliding grooves, and sliding blocks are sleeved on the outer walls of the guide rods. Springs are sleeved on the outer walls of the guide rods.

[0009] Furthermore, the upper ends of the four sliding bars are respectively engaged inside the corresponding through holes;

[0010] The above technical solution allows the sliding strip to be engaged inside the through hole, facilitating the fixing, installation, and disassembly of the connector.

[0011] Furthermore, the lower ends of the four screws extend beyond the mounting plate, and a handle is fixedly connected to one end of the four screws extending beyond the mounting plate;

[0012] The above technical solution allows the screw to rotate via the handle, causing it to rotate inside the threaded hole. This movement of the slider inside the first groove causes the upper end of the sliding strip to engage with the through hole. This allows for quick replacement of the connecting seat according to different specifications of the composite plate body, thus flexibly handling the splicing work of composite plate bodies with different thicknesses or load levels.

[0013] Furthermore, multiple springs are located between the slide block and the second slide groove, and the multiple slide blocks are limited to slide within the second slide groove;

[0014] The above technical solution allows the spring to facilitate the reset of the locking block, and the slide block to slide inside the second slide groove, thereby achieving the limiting function.

[0015] Furthermore, each of the plurality of slide blocks is fixedly connected to a sliding plate in pairs, and a locking block is fixedly connected to the lower end of each of the plurality of sliding plates;

[0016] The above technical solution involves moving the sliding plate, which in turn moves the locking block, allowing it to engage with the slots on both sides of the composite plate body for fixation.

[0017] Furthermore, a pull rod is fixedly connected to the upper end of the plurality of sliding plates, and the upper end of the plurality of pull rods extends out of the connecting seat and a pull block is fixedly connected to one end of the extended end;

[0018] The above technical solution involves pulling the pull block to move the pull rod, which in turn moves the sliding plate inside the second mounting groove, thereby moving the locking block. Then, the composite plate body is placed into the connecting seat. At this point, the pull block is released, and the locking block is reset under the action of the spring, so that the locking blocks are respectively locked into the corresponding locking grooves.

[0019] Furthermore, multiple positioning holes are provided on one side of the interior of each of the multiple connectors;

[0020] The above technical solution allows for quick positioning and installation of the composite plate body by opening positioning holes.

[0021] Furthermore, a composite plate body is placed inside the four connecting seats, and multiple steel reinforcement frames are fixedly arranged on both sides of the four composite plate bodies. One end of each steel reinforcement frame is inserted into a corresponding positioning hole inside the connecting seat.

[0022] The above technical solution, through the combined use of positioning holes and steel reinforcement cage, enables rapid positioning and installation of the composite slab body, eliminating the need for repeated on-site measurements, leveling, and alignment, reducing adjustment time, simplifying the installation process, and accelerating the overall assembly progress.

[0023] Furthermore, multiple slots are provided on both sides of the four composite plate bodies and correspond to the slot blocks respectively, and a filling groove is left between the four composite plate bodies and the connecting seat;

[0024] The above technical solution uses a slot and a block to engage, which can fix the composite slab body. The filling groove facilitates the injection of concrete between the composite slab body and the connecting seat, further improving the fixing effect of the structure.

[0025] This utility model has the following beneficial effects:

[0026] 1. The present invention proposes a prefabricated composite slab connection node structure for prefabricated buildings. By setting a connecting block, through hole, first mounting groove, first sliding groove, slider, sliding strip, threaded hole and screw, the connecting seat can be quickly replaced according to the composite slab body of different specifications. This allows for flexible handling of splicing work of composite slab bodies of different thicknesses or load levels, facilitating later maintenance or modification. If it is necessary to change the composite slab specifications, only the corresponding connecting seat needs to be replaced without damaging the original node structure, thus improving the adaptability throughout the building's life cycle.

[0027] 2. The prefabricated composite slab connection node structure for prefabricated buildings proposed in this utility model, by setting a second installation groove, a second sliding groove, a guide rod, a spring, a sliding seat, a sliding plate, a locking block, a locking groove, a positioning hole and a steel reinforcement skeleton, can quickly position and install the composite slab body without the need for repeated on-site measurement, leveling and alignment, reducing adjustment time, simplifying the installation process, and speeding up the overall assembly progress. Under the action of the filling groove, it is easy to inject concrete between the composite slab body and the connecting seat, further improving the fixing effect of the structure. Attached Figure Description

[0028] Figure 1 This is an isometric view of a prefabricated composite slab connection node structure for prefabricated buildings proposed in this utility model.

[0029] Figure 2 This is an exploded view of the disassembly structure of a prefabricated composite slab connection node structure for prefabricated buildings proposed in this utility model.

[0030] Figure 3 This is a side sectional view of the disassembly structure of a prefabricated composite slab connection node structure for prefabricated buildings proposed in this utility model.

[0031] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0032] Figure 5 This is a partial top sectional view of a prefabricated composite slab connection node structure for prefabricated buildings proposed in this utility model.

[0033] Figure 6 for Figure 5 Enlarged view of point B in the middle;

[0034] Figure 7 This is a schematic diagram of a prefabricated composite slab connection node structure for prefabricated buildings proposed in this utility model.

[0035] Explanation of reference numerals in the attached figures:

[0036] 1. Precast column; 2. Mounting plate; 3. Placement groove; 4. Connecting block; 5. Through hole; 6. Connecting seat; 7. First mounting groove; 8. First sliding groove; 9. Sliding block; 10. Sliding strip; 11. Threaded hole; 12. Screw; 13. Handle; 14. Second mounting groove; 15. Second sliding groove; 16. Guide rod; 17. Spring; 18. Slide seat; 19. Sliding plate; 20. Locking block; 21. Pull rod; 22. Pull block; 23. Positioning hole; 24. Composite slab body; 25. Locking groove; 26. Reinforcing steel skeleton; 27. Filling groove. Detailed Implementation

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Reference Figure 1-4 This utility model provides a specific embodiment: a prefabricated composite slab connection node structure for prefabricated buildings, including prefabricated columns 1, mounting plates 2 fixedly installed around the prefabricated columns 1, placement grooves 3 opened at the center of the front end of the four mounting plates 2, connecting blocks 4 placed inside the four placement grooves 3, through holes 5 opened at the upper end of the four connecting blocks 4, connecting seats 6 fixedly connected to the front end of the four connecting blocks 4, first mounting grooves 7 opened at the lower end of the four mounting plates 2 and their upper ends communicating with the placement grooves 3, first sliding grooves 8 opened on both sides of the four first mounting grooves 7, sliders 9 slidably installed inside the multiple first sliding grooves 8, sliding strips 10 fixedly connected between each pair of sliders 9 and respectively located inside the first mounting grooves 7, and screws opened at the lower end of the four sliding strips 10. The four threaded holes 11 have screws 12 rotatably mounted inside them. The upper ends of the four sliding strips 10 are respectively engaged in the corresponding through holes 5. The engagement of the sliding strips 10 in the through holes 5 facilitates the fixing, installation and removal of the connecting seat 6. The lower ends of the four screws 12 extend out of the mounting plate 2. One end of the four screws 12 extending out of the mounting plate 2 is fixedly connected to a handle 13. The handle 13 drives the screws 12 to rotate, causing the screws 12 to rotate inside the threaded holes 11. This causes the slider 9 to move inside the first sliding groove 8, thereby causing the upper end of the sliding strip 10 to engage in the through hole 5. This allows for the quick replacement of the connecting seat 6 according to different specifications of the composite plate body 24, thus flexibly handling the splicing work of composite plate bodies 24 with different thicknesses or load levels.

[0039] Reference Figure 5-7The four connecting seats 6 have second mounting grooves 14 on their side walls. Each second mounting groove 14 has a second sliding groove 15 on both sides. Guide rods 16 are fixedly installed inside the sliding grooves 15. Slide seats 18 are fitted onto the outer walls of the guide rods 16. Springs 17 are fitted onto the outer walls of the guide rods 16 and are located between the slide seats 18 and the second sliding grooves 15. The slide seats 18 slide within the second sliding grooves 15, limiting their movement. The springs 17 facilitate the reset of the locking block 20. The slide seats 18 slide within the second sliding grooves 15, thus achieving the limiting function. The slide seats 18 are positioned in pairs... A sliding plate 19 is fixedly connected to the upper part of the composite plate 24. A locking block 20 is fixedly connected to the lower end of each sliding plate 19. Moving the sliding plate 19 moves the locking block 20, allowing it to engage with the slots 25 on both sides of the composite plate body 24 for fixation. A pull rod 21 is fixedly connected to the upper end of each sliding plate 19. The upper end of each pull rod 21 extends out of the connecting seat 6, and a pull block 22 is fixedly connected to one end. Pulling the pull block 22 moves the pull rod 21, causing the sliding plate 19 to move inside the second mounting slot 14, which in turn moves the locking block 20. Then, the composite plate body 24 is placed... The connector 6 is inserted into the connector seat 6. Then, the pull block 22 is released, and the spring 17 causes the locking block 20 to reset, so that the locking blocks 20 are respectively engaged in the corresponding slots 25. Multiple positioning holes 23 are provided on one side of each connector seat 6 to facilitate quick positioning and installation of the composite plate body 24. The composite plate body 24 is placed inside each of the four connector seats 6. Multiple reinforcing steel frames 26 are fixedly installed on both sides of each of the four composite plate bodies 24. One end of each reinforcing steel frame 26 inside the connector seat 6 is inserted into the corresponding positioning hole 23. The positioning holes 23 and the reinforcing steel frames 26... The combined use of 6 allows for rapid positioning and installation of the composite slab body 24, eliminating the need for repeated on-site measurements, leveling, and alignment, reducing adjustment time, simplifying the installation process, and accelerating the overall assembly progress. Multiple slots 25 are provided on both sides of the four composite slab bodies 24, each corresponding to a locking block 20. A filling groove 27 is provided between the four composite slab bodies 24 and the connecting seat 6. The slots 25 engage with the locking blocks 20, thus fixing the composite slab bodies 24. The filling groove 27 facilitates the injection of concrete between the composite slab bodies 24 and the connecting seat 6, further improving the fixing effect of the structure.

[0040] Working principle: When using the prefabricated composite slab connection node structure for prefabricated buildings, the connecting block 4 is placed in the placement groove 3. At this time, turning the handle 13 drives the screw 12 to rotate, causing the screw 12 to rotate inside the threaded hole 11. This causes the slider 9 to move inside the first sliding groove 8, thereby causing the upper end of the sliding strip 10 to engage inside the through hole 5. This allows for quick replacement of the connecting seat 6 according to different specifications of the composite slab body 24, thus flexibly handling the splicing work of composite slab bodies 24 with different thicknesses or load levels. This facilitates later maintenance or modification. If it is necessary to change the specification of the composite slab body 24, only the corresponding connecting seat 6 needs to be replaced without damaging the original node structure. Pulling the pull block 22 drives the pull rod. The movement of step 21 causes the sliding plate 19 to move inside the second mounting groove 14, which in turn moves the locking block 20. Then, the composite plate body 24 is placed into the connecting seat 6. At this time, the pull block 22 is released, and the locking block 20 is reset under the action of the spring 17, so that the locking blocks 20 are respectively locked into the corresponding locking grooves 25. With the cooperation of the positioning hole 23 and the steel reinforcement cage 26, the composite plate body 24 can be quickly positioned and installed without repeated on-site measurement, leveling, and alignment, reducing adjustment time, simplifying the installation process, and speeding up the overall assembly progress. Under the action of the filling groove 27, it is easy to inject concrete between the composite plate body 24 and the connecting seat 6, further improving the fixing effect of the structure.

[0041] The following points should be noted in this article:

[0042] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in a general design.

[0043] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A prefabricated composite slab connection node structure for prefabricated buildings, comprising prefabricated columns (1), characterized in that: The precast column (1) is fixedly provided with mounting plates (2) around its perimeter. The four mounting plates (2) have a placement groove (3) at the center of their front ends. The four placement grooves (3) contain a connecting block (4). The four connecting blocks (4) have a through hole (5) at their upper ends. The four connecting blocks (4) are fixedly connected to a connecting seat (6) at their front ends. The four mounting plates (2) have a first mounting groove (7) at their lower ends, and its upper end is connected to the placement groove (3). The four first mounting grooves (7) have first sliding grooves (8) on both sides. The multiple first sliding grooves (8) have sliders (9) slidably arranged inside. The multiple sliders (9) are fixedly connected to each other with sliding strips (10) and are respectively located inside the first mounting grooves (7). The four sliding strips (10) have threaded holes (11) at their lower ends. The four threaded holes (11) have screws (12) rotatably arranged inside. The four connecting seats (6) have second mounting grooves (14) inside the side walls on both sides. The second mounting grooves (14) have second sliding grooves (15) inside both sides. The second sliding grooves (15) are fixedly installed inside. The outer walls of the guide rods (16) are fitted with sliding seats (18). The outer walls of the guide rods (16) are fitted with springs (17).

2. The prefabricated composite slab connection node structure for prefabricated buildings according to claim 1, characterized in that: The upper ends of the four sliding bars (10) are respectively engaged inside the corresponding through holes (5).

3. The prefabricated composite slab connection node structure for prefabricated buildings according to claim 1, characterized in that: The lower ends of the four screws (12) extend out of the mounting plate (2), and a handle (13) is fixedly connected to one end of the four screws (12) extending out of the mounting plate (2).

4. The prefabricated composite slab connection node structure for prefabricated buildings according to claim 1, characterized in that: Multiple springs (17) are located between the slide block (18) and the second slide groove (15), and the multiple slide blocks (18) slide within the second slide groove (15).

5. The prefabricated composite slab connection node structure for prefabricated buildings according to claim 1, characterized in that: Each of the multiple slide blocks (18) is fixedly connected to a sliding plate (19) in pairs, and a locking block (20) is fixedly connected to the lower end of each of the multiple sliding plates (19).

6. A prefabricated composite slab connection node structure for prefabricated buildings according to claim 5, characterized in that: A pull rod (21) is fixedly connected to the upper end of a plurality of sliding plates (19), and the upper end of the plurality of pull rods (21) extends out of the connecting seat (6) and a pull block (22) is fixedly connected to one end of the extended end.

7. The prefabricated composite slab connection node structure for prefabricated buildings according to claim 1, characterized in that: Multiple positioning holes (23) are provided on one side of the interior of the multiple connecting seats (6).

8. A prefabricated composite slab connection node structure for prefabricated buildings according to claim 1, characterized in that: The four connecting seats (6) contain a composite plate body (24), and multiple steel reinforcement frames (26) are fixedly arranged on both sides of the four composite plate bodies (24). One end of each steel reinforcement frame (26) located inside the connecting seat (6) is inserted into the corresponding positioning hole (23).

9. A prefabricated composite slab connection node structure for prefabricated buildings according to claim 8, characterized in that: Multiple slots (25) are provided on both sides of the four composite plate bodies (24) and correspond to the slot blocks (20) respectively. A filling groove (27) is left between the four composite plate bodies (24) and the connecting seat (6).

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