Supporting-free prestressed laminated slab connecting joint

Abstract

The utility model relates to the technical field of laminated slabs, in particular to a support-free prestressed laminated slab connecting node which comprises a bearing plate. Steel reinforcement frameworks on one sides of the laminated slab bodies can be placed on the bearing plate and the lower fixing frame according to requirements, then the fixing strips on the fixing plates on the two sides of the upper fixing frame are in mortise and tenon connection with the fixing blocks on the lower fixing frame, and the upper fixing frame is matched with the lower fixing frame to fix the steel reinforcement frameworks on the two laminated slab bodies. Then fixing rods on fixing blocks are rotated to reinforce connection between an upper fixing frame and a lower fixing frame, then connecting blocks below upper connecting frames on the two sides of a top plate and lower connecting frames on the two sides of a bearing plate are used for carrying out mortise and tenon connection, and when the bearing plates are connected, the top plate is in mortise and tenon connection with clamping frames on the bearing plates; and the two laminated slab bodies are tightly attached to the upper connecting frame and the lower connecting frame correspondingly, then concrete is injected between the bearing plate and the top plate through the grouting holes in the top plate, and the effect of improving the fixing force of the device is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of composite plates, in particular to a support-free prestressed composite plate connection node. Background Art

[0002] Composite slabs are assembled, monolithic floor slabs composed of precast panels and cast-in-place reinforced concrete layers. Composite slabs offer excellent integrity, with smooth upper and lower surfaces, facilitating finishing, making them suitable for high-rise buildings and large-span buildings requiring high overall rigidity. Composite slabs offer excellent integrity, high rigidity, and reduced formwork requirements. Furthermore, their smooth upper and lower surfaces facilitate finishing, making them suitable for high-rise buildings and large-span buildings requiring high overall rigidity. During renovations, multiple composite slabs often need to be connected, necessitating the development of a support-free, prestressed composite slab connection node.

[0003] However, the existing composite plate connection nodes have weak fixing functions, and the connection between the composite plates is not firm during use, resulting in uneven force on the composite plates, which easily generates large shear forces and causes damage to the composite plates. Utility Model Content

[0004] The purpose of the present invention is to provide a support-free prestressed composite plate connection node to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A support-free prestressed composite plate connection node includes a load-bearing plate, a rectangular groove is opened in the middle of the top of the load-bearing plate, a plurality of fixing components are fixedly connected to the inside of the rectangular groove, two steel skeletons are movably connected to both sides of the fixing components, one side of the surface of the steel skeleton is fixedly connected to the composite plate body, a clamping frame is fixedly connected to the side of the top of the load-bearing plate close to the rectangular groove, both sides of the load-bearing plate are fixedly connected to the connection components, and one side of the connection component is fixedly connected to the top plate.

[0007] Preferably, the fixing assembly includes a lower fixing frame, the bottom end of the lower fixing frame is fixedly connected to a rectangular groove opened at the top of the supporting plate, two fixing blocks are fixedly connected to both sides of the lower fixing frame, one end of the fixing block is threadedly connected to a fixing rod, the top of the lower fixing frame is movably connected to an upper fixing frame, both sides of the upper fixing frame are fixedly connected to fixing plates, and two fixing strips are fixedly connected to the edges of both sides of the fixing plate.

[0008] Preferably, the connecting assembly includes a lower connecting frame, one side of the lower connecting frame is fixedly connected to one side of the supporting plate, connecting grooves are provided on both sides of the top of the lower connecting frame, a connecting block is clamped inside the connecting groove, the top of the connecting block is fixedly connected to an upper connecting frame, and one side of the upper connecting frame is fixedly connected to one side of the top plate.

[0009] Preferably, a groove is formed at the bottom end of the top plate, and the inner wall of the groove is clamped to the surface of the clamping frame.

[0010] Preferably, circular grooves are provided in the middle of both sides of the fixing plate, and the inside of the circular grooves is clamped to one side of the surface of the fixing rod.

[0011] Preferably, fixing grooves are provided on both sides of the top of the fixing block, and the interior of the fixing grooves is snap-connected to the surface of the fixing bar.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The cam is connected to the support frame by the fixing assembly, the connecting assembly and the clamping frame. When in use, the steel frame on one side of the main body of the composite plate can be placed on the bearing plate and the lower fixing frame according to needs. Then, the fixing strips on the fixing plates on both sides of the upper fixing frame are used to perform mortise and tenon connection with the fixing blocks on the lower fixing frame. The upper fixing frame is used to cooperate with the lower fixing frame to fix the steel frames on the two main bodies of the composite plate. Then, the fixing rods on the fixing blocks are rotated to strengthen the connection between the upper fixing frame and the lower fixing frame. Then, the connecting blocks under the upper connecting frames on both sides of the top plate are used to perform mortise and tenon connection with the lower connecting frames on both sides of the bearing plate. When the bearing plate is connected to the top plate, the top plate is connected to the clamping frame on the bearing plate by mortise and tenon connection, so that the two main bodies of the composite plate are respectively close to the upper connecting frame and the lower connecting frame. Then, concrete is injected between the bearing plate and the top plate through the grouting holes on the top plate, thereby achieving the effect of improving the fixing force of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection components of the present invention;

[0016] Figure 3 This is a schematic diagram of the fixing assembly of the present utility model;

[0017] Figure 4 It is a partial schematic diagram of the utility model.

[0018] In the figure: 1. Load-bearing plate; 2. Rectangular groove; 3. Fixing assembly; 301. Lower fixing frame; 302. Fixing block; 303. Fixing rod; 304. Upper fixing frame; 305. Fixing plate; 306. Fixing bar; 4. Steel bar skeleton; 5. Composite plate body; 6. Connection assembly; 601. Lower connecting frame; 602. Connecting groove; 603. Connecting block; 604. Upper connecting frame; 7. Top plate; 8. Snap-in frame. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figures 1-4 As shown, the utility model provides a technical solution:

[0021] A support-free prestressed composite plate connection node includes a load-bearing plate 1, a rectangular groove 2 is formed in the middle of the top of the load-bearing plate 1, a plurality of fixing components 3 are fixedly connected to the inside of the rectangular groove 2, two steel skeletons 4 are movably connected to both sides of the fixing components 3, a composite plate body 5 is fixedly connected to one side of the surface of the steel skeleton 4, a clamping frame 8 is fixedly connected to the side of the top of the load-bearing plate 1 near the rectangular groove 2, a connection component 6 is fixedly connected to both sides of the load-bearing plate 1, and a top plate 7 is fixedly connected to one side of the connection component 6;

[0022] Specifically, when in use, the steel frame 4 on one side of the composite plate main body 5 can be placed on the bearing plate 1 and the lower fixing frame 301 as needed, and then the fixing strip 306 on the fixing plate 305 is used to perform mortise and tenon connection with the fixing block 302, and the upper fixing frame 304 is used to cooperate with the lower fixing frame 301 to fix the steel frame 4 on the two composite plate main bodies 5, and then the fixing rod 303 on the fixing block 302 is rotated to strengthen the connection between the upper fixing frame 304 and the lower fixing frame 301, and then the connecting block 603 is used to perform mortise and tenon connection with the lower connecting frame 601. When the bearing plate 1 is connected to the top plate 7, the top plate 7 is connected to the clamping frame 8 on the bearing plate 1 by mortise and tenon connection, so that the two composite plate main bodies 5 are respectively close to one side of the upper connecting frame 604 and the lower connecting frame 601, and then concrete is injected between the bearing plate 1 and the top plate 7 through the grouting holes on the top plate 7;

[0023] It can be understood that the top plate 7 and the load-bearing plate 1 can be connected by the mortise and tenon connection between the top plate 7 and the clamping frame 8, and the connection between the top plate 7 and the load-bearing plate 1 can be strengthened by the connection component 6, and then the poured concrete can be used to improve the overall firmness of the device.

[0024] In this embodiment, preferably, the fixing assembly 3 includes a lower fixing frame 301, the bottom end of the lower fixing frame 301 is fixedly connected to the rectangular groove 2 opened at the top of the carrying plate 1, two fixing blocks 302 are fixedly connected to both sides of the lower fixing frame 301, one end of the fixing block 302 is threadedly connected to a fixing rod 303, the top of the lower fixing frame 301 is movably connected to an upper fixing frame 304, both sides of the upper fixing frame 304 are fixedly connected to fixing plates 305, and two fixing bars 306 are fixedly connected to the edges of both sides of the fixing plate 305;

[0025] Specifically, the fixing bars 306 on the fixing plates 305 on both sides of the upper fixing frame 304 are connected to the fixing blocks 302 on the lower fixing frame 301 by mortise and tenon joints, and the upper fixing frame 304 is used to cooperate with the lower fixing frame 301 to fix the steel skeleton 4 on the two composite plate bodies 5. Then, the fixing rods 303 on the fixing blocks 302 are rotated to strengthen the connection between the upper fixing frame 304 and the lower fixing frame 301, thereby achieving the effect of enhancing the fixing force.

[0026] It can be understood that the fixing strip 306 on the fixing plate 305 is connected to the fixing block 302 by mortise and tenon joints, thereby fixing the upper fixing frame 304 and the lower fixing frame 301, and then the fixing rod 303 can be used to enhance the firmness between the fixing plate 305 and the fixing block 302, thereby improving the overall firmness of the device;

[0027] In this embodiment, preferably, the connecting assembly 6 includes a lower connecting frame 601, one side of the lower connecting frame 601 is fixedly connected to one side of the carrier plate 1, and connecting grooves 602 are provided on both sides of the top of the lower connecting frame 601. A connecting block 603 is clamped inside the connecting groove 602, and the top of the connecting block 603 is fixedly connected to an upper connecting frame 604, and one side of the upper connecting frame 604 is fixedly connected to one side of the top plate 7;

[0028] Specifically, the connection blocks 603 under the upper connection frames 604 on both sides of the top plate 7 are connected to the lower connection frames 601 on both sides of the lower bearing plate 1 by mortise and tenon joints. When the bearing plate 1 is connected to the top plate 7, the top plate 7 is connected to the clamping frame 8 on the bearing plate 1 by mortise and tenon joints, so that the two composite plate bodies 5 are respectively closely attached to one side of the upper connection frame 604 and the lower connection frame 601. Then, concrete is injected into the space between the bearing plate 1 and the top plate 7 through the grouting holes on the top plate 7.

[0029] It can be understood that the upper connecting frame 604, the connecting block 603 and the lower connecting frame 601 connected by mortise and tenon can effectively improve the connection relationship between the bearing plate 1 and the top plate 7. Secondly, the cooperation between the upper connecting frame 604 and the lower connecting frame 601 can make the composite plate body 5 close to each other and effectively prevent concrete leakage.

[0030] In this embodiment, preferably, a groove is formed at the bottom end of the top plate 7, and the inner wall of the groove is clamped to the surface of the clamping frame 8;

[0031] In this embodiment, preferably, a circular groove is opened in the middle of both sides of the fixing plate 305, and the inner part of the circular groove is clamped to one side of the surface of the fixing rod 303.

[0032] In this embodiment, preferably, fixing grooves are formed on both sides of the top of the fixing block 302 , and the inside of the fixing grooves is snap-connected to the surface of the fixing bar 306 .

[0033] When a support-free prestressed composite plate connection node of this embodiment is used, the steel frame 4 on one side of the composite plate body 5 can be placed on the load-bearing plate 1 and the lower fixed frame 301 according to needs, and then the fixing strips 306 on the fixing plates 305 on both sides of the upper fixed frame 304 are connected with the fixing blocks 302 on the lower fixed frame 301 for mortise and tenon connection, and the upper fixed frame 304 is used to cooperate with the lower fixed frame 301 to fix the steel frame 4 on the two composite plate bodies 5, and then the fixing blocks 302 on the fixing blocks 302 are rotated. The fixed rod 303 strengthens the connection between the upper fixed frame 304 and the lower fixed frame 301, and then the connecting blocks 603 under the upper connecting frames 604 on both sides of the top plate 7 are used to perform mortise and tenon connections with the lower connecting frames 601 on both sides of the lower bearing plate 1. When the bearing plate 1 is connected to the top plate 7, the top plate 7 is connected to the clamping frame 8 on the bearing plate 1 by mortise and tenon connections, so that the two composite plate bodies 5 are respectively close to one side of the upper connecting frame 604 and the lower connecting frame 601, and then concrete is injected into the space between the bearing plate 1 and the top plate 7 through the grouting holes on the top plate 7.

[0034] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A support-free prestressed composite plate connection node, comprising a bearing plate (1), characterized in that: A rectangular groove (2) is provided in the middle of the top of the bearing plate (1), and a plurality of fixing components (3) are fixedly connected inside the rectangular groove (2). Two steel frame skeletons (4) are movably connected to both sides of the fixing component (3), and a composite plate body (5) is fixedly connected to one side of the surface of the steel frame (4). A clamping frame (8) is fixedly connected to one side of the top of the bearing plate (1) close to the rectangular groove (2), and a connecting component (6) is fixedly connected to both sides of the bearing plate (1), and a top plate (7) is fixedly connected to one side of the connecting component (6).

2. The support-free prestressed composite slab connection node according to claim 1, characterized in that: The fixing assembly (3) comprises a lower fixing frame (301), the bottom end of the lower fixing frame (301) is fixedly connected to a rectangular groove (2) opened at the top of the carrier plate (1), two fixing blocks (302) are fixedly connected to both sides of the lower fixing frame (301), one end of the fixing block (302) is threadedly connected to a fixing rod (303), the top of the lower fixing frame (301) is movably connected to an upper fixing frame (304), both sides of the upper fixing frame (304) are fixedly connected to fixing plates (305), and two fixing bars (306) are fixedly connected to the edges of both sides of the fixing plate (305).

3. The support-free prestressed composite slab connection node according to claim 1, characterized in that: The connecting assembly (6) comprises a lower connecting frame (601), one side of the lower connecting frame (601) is fixedly connected to one side of the carrier plate (1), connecting grooves (602) are provided on both sides of the top of the lower connecting frame (601), a connecting block (603) is clamped inside the connecting groove (602), the top of the connecting block (603) is fixedly connected to an upper connecting frame (604), and one side of the upper connecting frame (604) is fixedly connected to one side of the top plate (7).

4. The support-free prestressed composite slab connection node according to claim 1, characterized in that: A groove is provided at the bottom end of the top plate (7), and the inner wall of the groove is clamped to the surface of the clamping frame (8).

5. The support-free prestressed composite slab connection node according to claim 2, characterized in that: Circular grooves are provided in the middle of both sides of the fixing plate (305), and the inside of the circular grooves is clamped to one side of the surface of the fixing rod (303).

6. The support-free prestressed composite slab connection node according to claim 2, characterized in that: Both sides of the top of the fixing block (302) are provided with fixing grooves, and the interior of the fixing grooves is clamped to the surface of the fixing strip (306).

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