Recycled concrete assembly type prestress laminated slab

Abstract

The utility model relates to the technical field of recycled concrete assembly type prestress laminated slabs, and discloses a recycled concrete assembly type prestress laminated slab which comprises a concrete laminated slab assembly. The concrete composite slab assembly is reasonable in structure, the lifting lugs at the four corners of the concrete composite slab assembly are connected through the threads and the fixing rings so that the concrete composite slab assembly can be assembled and disassembled at will, and a crane can carry the concrete composite slab assembly conveniently; in addition, the connecting square steel penetrating through the four corners can be used for connecting the to-be-stacked laminated slabs at the top or placing and limiting the to-be-stacked laminated slabs on the surface when a plurality of laminated slabs need to be carried and placed on the ground, and the connecting square steel can be connected into the connecting grooves in the laminated slab structure at the bottom by removing the limiting square corners B; if the upper limiting square corner B is arranged, the two laminated slabs can be limited, a certain space is reserved, the laminated slabs are more convenient to stack and place, and in addition, the laminated slab combination assembly and the combination fixing assembly which are arranged at one end can be better matched with the two laminated slabs to connect the front ends and the rear ends of the two laminated slabs.

Description

Technical Field

[0001] The utility model relates to the technical field of recycled concrete assembled prestressed composite slabs, in particular to a recycled concrete assembled prestressed composite slab. Background Art

[0002] The composite slab is an assembled integral floor made of prefabricated slabs and cast-in-place reinforced concrete layers. The composite slab has good integrity, and the upper and lower surfaces of the slab are flat, which is convenient for finishing layer decoration. It is suitable for high-rise buildings and large-span buildings with high requirements for overall rigidity. The composite slab has good integrity, high rigidity, can save formwork, and the upper and lower surfaces of the slab are flat, which is convenient for finishing layer decoration. It is suitable for high-rise buildings and large-span buildings with high requirements for overall rigidity.

[0003] An assembled building prestressed composite panel disclosed in the Chinese utility model patent application disclosure CN216075825U is clamped on both sides of the bottom wall of the transverse groove by a clamping assembly to offset or reduce tensile stress. The clamping assembly includes a clamping slot and a clamping rib. The two clamping slots are symmetrically opened on both sides of the bottom wall of the transverse groove and are located directly below the opening. However, it lacks a plurality of composite panel connection structures and a carrying and stacking structure. When it needs to be stacked on the ground, a wooden stick needs to be placed on both sides of the top of a composite panel, and then another composite panel is stacked, which reduces the carrying efficiency. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a recycled concrete assembled prestressed composite slab, which solves the problems of lack of connection structure for multiple composite slabs and lack of transportation and stacking structure. When stacking on the ground is required, a wooden stick needs to be placed on both sides of the top of a composite slab, and then another composite slab needs to be stacked, which reduces the transportation efficiency.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a recycled concrete assembled prestressed composite plate, comprising a concrete composite plate assembly, the front end surface of the concrete composite plate assembly is covered with a composite plate combining assembly, and a combining fixing assembly is respectively provided on the left and right sides of the center of the top surface of the composite plate combining assembly, and the composite plate combining assembly comprises a fixed base plate, and the left and right sides of the fixed base plate are respectively connected with a U-shaped fixing plate A and a U-shaped fixing plate B, and a side surface of the U-shaped fixing plate A is provided with a plurality of steel bar insertion holes A in an arranged form, and a plurality of screw holes A are respectively provided on the top and bottom surfaces of the U-shaped fixing plate A in an arranged form, and a threaded member A is penetrated inside each of the screw holes A, and a side surface of the U-shaped fixing plate B is provided with a plurality of steel bar insertion holes B in an arranged form, and a plurality of screw holes B are respectively provided on the top and bottom surfaces of the U-shaped fixing plate B in an arranged form, and a threaded member B is penetrated inside each of the screw holes B.

[0008] Optionally, the concrete composite slab assembly includes a top surface of the composite slab provided with a plurality of first steel bars in a matrix form, a front and rear ends of the composite slab are respectively penetrated by a plurality of second steel bars in an arrangement form, each of the second steel bars is provided with a connecting hole, a left surface of the composite slab is provided with a plurality of protrusions in an arrangement form, and a right surface of the composite slab is provided with a plurality of grooves in an arrangement form.

[0009] Optionally, fixing rings are respectively provided on the front and rear end surfaces of the composite plate near the left and right edges, each of the fixing rings has a lifting ear running through the inside, one end surface of the lifting ear is provided with a thread, and the other end surface of the lifting ear is provided with a lifting hole at the center.

[0010] Optionally, the top surface of the composite plate is penetrated by limiting corners A near the four edges, the bottom of the limiting corners A is connected to a connecting square steel, a connecting groove is provided inside the connecting square steel, and a limiting corner B is provided at the bottom of the connecting square steel.

[0011] Optionally, the combined fixing component includes a rectangular fixing block, a rotating hole is opened at the center of the top surface of the rectangular fixing block, and the centers of the front and rear end surfaces of the rectangular fixing block are respectively connected to fixing tubes, and a circular hole is opened at one end of each of the fixing tubes, and the number of the two fixing tubes and the circular holes is two respectively.

[0012] Optionally, a spring hook A passes through one of the circular holes, a fixing rod A is provided inside the spring hook A, a plurality of expansion reinforcement rings A are arranged on one end surface of the fixing rod A, and a steel ball A is provided on the other end surface of the fixing rod A.

[0013] Optionally, a spring hook B passes through the interior of another of the circular holes, a fixing rod B is provided inside the spring hook B, a plurality of expansion reinforcement rings B are arranged on one end surface of the fixing rod B, and a steel ball B is provided on the other end surface of the fixing rod B.

[0014] Optionally, a rotating handle is provided inside the rotating hole, and handles are respectively connected to the left and right sides of the top surface of the rotating handle, and the bottom of the rotating handle wraps the rotating shaft, and arc blocks are respectively connected to the left and right sides of the rotating shaft.

[0015] In summary, the technical effects and advantages of the utility model are:

[0016] 1. The utility model has a reasonable structure. The ears at the four corners of the concrete composite panel assembly are connected by threads and fixing rings, so it can be installed and disassembled at will, which is convenient for cranes to carry it. In addition, the connecting square steels running through the four corners can be used to connect the composite panels to be stacked on the top or place them on the surface when multiple composite panels need to be transported and placed on the ground. The connecting square steel can be connected to the connecting groove in the bottom composite panel structure by removing the limiting square angle B. If the limiting square angle B is provided, the two composite panels can be limited to leave a certain space, which is more convenient for stacking and placing. In addition, the composite panel combining assembly and the combined fixing assembly arranged at one end can better cooperate with the two composite panels to connect the front and rear ends.

[0017] 2. In the utility model, two composite plates can be superimposed left and right by means of the protrusions and grooves in the concrete composite plate assembly structure, and the protrusion of one composite plate is embedded in the groove of the other composite plate for connection and fixation, while the connection at the front and rear ends uses a simple screw to fix the composite plate combination assembly at one end, and the two fixing rods in the combination and fixing assembly structure are used to penetrate into the second steel bars in the composite plate structures at both ends for connection and fixation of the overall structure.

[0018] 3. In the utility model, by manually rotating the handle in conjunction with the fixing assembly to rotate 90° to the left or right, the arc-shaped blocks on both sides of the bottom rotating shaft are driven to squeeze the steel balls at both ends, thereby squeezing the fixing rods on both sides out to extend into the second steel bars on both sides. The spring hook is fixed to the inside of the fixing tube and one end of the fixing rod, which facilitates the rebound of the fixing rod when it comes back. The expansion reinforcement ring enters the second steel bar and combines with the connecting hole to increase stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the concrete composite slab assembly of the utility model;

[0021] Figure 3This is a schematic diagram of the structure of the composite plate combination assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the decomposed structure of the utility model combined with the fixed components.

[0023] In the figure: 1. Concrete composite slab assembly; 101. Composite slab; 102. First steel bar; 103. Second steel bar; 104. Connection hole; 105. Protrusion; 106. Groove; 107. Fixing ring; 108. Lifting ear; 109. Thread; 110. Lifting hole; 111. Limiting square corner A; 112. Connection groove; 113. Connecting square steel; 114. Limiting square corner B; 2. Composite slab combination assembly; 201. Fixed bottom plate; 202. U-shaped fixing plate A; 203. Steel bar insertion hole A; 204. Screw hole A; 205. Threaded piece A; 206, U-shaped fixing plate B; 207, steel bar insertion hole B; 208, screw hole B; 209, threaded part B; 3, combined fixing assembly; 301, rectangular fixing block; 302, rotating hole; 303, fixing tube; 304, round hole; 305, spring hook A; 306, fixing rod A; 307, expansion reinforcement ring A; 308, steel ball A; 309, spring hook B; 310, fixing rod B; 311, expansion reinforcement ring B; 312, steel ball B; 313, turning handle; 314, handle; 315, rotating shaft; 316, arc block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example: Reference Figure 1 and Figure 2A recycled concrete assembled prestressed composite slab shown in the figure includes a concrete composite slab assembly 1, the front end surface of the concrete composite slab assembly 1 is covered with a composite slab combination assembly 2, and the center of the top surface of the composite slab combination assembly 2 is provided with a combination fixing assembly 3 on the left and right sides, respectively. The concrete composite slab assembly 1 includes a composite slab 101 having a plurality of first steel bars 102 arranged in a matrix on the top surface thereof, and a plurality of second steel bars 103 are respectively arranged at the front and rear ends of the composite slab 101 and penetrated therethrough, and each second steel bar 103 is provided with a connection hole inside 104, the left surface of the composite plate 101 is provided with a plurality of protrusions 105 in an arranged manner, and the right surface of the composite plate 101 is provided with a plurality of grooves 106 in an arranged manner. The front and rear end surfaces of the composite plate 101 are provided with fixing rings 107 at the left and right edges, respectively. The two composite plates 101 can be stacked left and right through the protrusions 105 and grooves 106 in the structure of the concrete composite plate assembly 1, and the protrusion 105 of one composite plate 101 is embedded in the groove 106 of the other composite plate 101 for connection and fixing, and each fixing ring The interior of the 107 is penetrated by a lifting ear 108, a thread 109 is provided on one end surface of the lifting ear 108, a lifting hole 110 is provided at the center of the other end surface of the lifting ear 108, and the top surface of the composite plate 101 is penetrated by the edges of the four sides respectively, and the bottom of the limiting square corner A111 is connected to a connecting square steel 113, and the connecting square steel 113 is provided with a connecting groove 112, and the bottom of the connecting square steel 113 is provided with a limiting square corner B114. The lifting ears 108 at the four corners of the concrete composite plate assembly 1 are connected by the thread 109 and the fixed The fixed ring 107 is connected and can be installed and disassembled at will, which is convenient for crane transportation. In addition, the connecting square steels 113 passing through the four corners can be used to connect the top superimposed panels 101 to be stacked when multiple superimposed panels 101 need to be transported and placed on the ground, or placed on the surface to limit the position. By removing the limiting square corner B114, the connecting square steel 113 can be connected to the connecting groove 112 in the bottom superimposed panel structure. If the limiting square corner B114 is provided, the two superimposed panels 101 can be limited to leave a certain space, which is more convenient for stacking and placement.

[0026] As an optional implementation in this embodiment, Figure 3 and Figure 4As shown, the composite plate combination assembly 2 includes a fixed bottom plate 201, and the left and right sides of the fixed bottom plate 201 are respectively connected to a U-shaped fixed plate A202 and a U-shaped fixed plate B206, one side surface of the U-shaped fixed plate A202 is provided with a plurality of steel bar insertion holes A203 in an arranged manner, and the top and bottom surfaces of the U-shaped fixed plate A202 are respectively provided with a plurality of screw holes A204 in an arranged manner, and each screw hole A204 is penetrated by a threaded member A205, and one side surface of the U-shaped fixed plate B206 is provided with a plurality of steel bar insertion holes B207 in an arranged manner, and the top of the U-shaped fixed plate B206 is provided with a plurality of screw holes A208 in an arranged manner. The top and bottom surfaces are respectively provided with a plurality of screw holes B208 arranged in an array, and a threaded member B209 is penetrated inside each screw hole B208. The combined fixing assembly 3 includes a rectangular fixing block 301, a rotating hole 302 is provided at the center of the top surface of the rectangular fixing block 301, and the centers of the front and rear end surfaces of the rectangular fixing block 301 are respectively connected with fixing tubes 303, and a circular hole 304 is provided at one end of each fixing tube 303. The number of the two fixing tubes 303 and the circular holes 304 are respectively two, and a spring hook A305 is penetrated inside one of the circular holes 304, and the spring hook A305 A fixing rod A306 is provided inside, and a plurality of expansion reinforcement rings A307 are arranged on one end surface of the fixing rod A306, and a steel ball A308 is provided on the other end surface of the fixing rod A306. A spring hook B309 is passed through the inside of another circular hole 304, and a fixing rod B310 is provided inside the spring hook B309, and a plurality of expansion reinforcement rings B311 are arranged on one end surface of the fixing rod B310, and a steel ball B312 is provided on the other end surface of the fixing rod B310. A rotating handle 313 is provided inside the rotating hole 302, and the top surface of the rotating handle 313 is close to the left and right sides. The handles 314 are connected respectively, and the bottom of the handle 313 wraps the shaft 315. The left and right sides of the shaft 315 are connected with arc blocks 316 respectively. By manually rotating the handle 313 to the left or right 90 degrees in combination with the fixing component 3, the arc blocks 316 on both sides of the bottom shaft 315 are driven to squeeze the steel balls at both ends, thereby squeezing the fixing rods on both sides out and extending them into the second steel bars 103 on both sides. The spring hook is fixed to the inside of the fixing tube and one end of the fixing rod to facilitate the rebound of the fixing rod when it comes back. The expansion reinforcement ring enters the second steel bar 103 and is combined with the connecting hole 104 to increase stability.

[0027] How this utility works:

[0028] First, the ears 108 at the four corners of the concrete composite panel assembly 1 are connected by threads 109 and fixing rings 107, which can be installed and disassembled at will, making it convenient for the crane to carry it. In addition, the connecting square steels 113 running through the four corners can be used to connect the composite panels 101 to be stacked on the top when multiple composite panels 101 need to be transported and placed on the ground, or placed on the surface to limit the position. By removing the limiting square corner B114, the connecting square steel 113 can be connected to the connecting groove 112 in the bottom composite panel structure. If the limiting square corner B114 is provided, the two composite panels 101 can be limited to leave a certain space, which is more convenient for stacking and placing. In addition, the composite panel combining assembly 2 and the combined fixing assembly 3 arranged at one end can better cooperate with the two composite panels 101 to connect the front and rear ends, and then the two composite panels can be connected through the protrusions 105 and grooves 106 in the structure of the concrete composite panel assembly 1. The stacking plates 101 are stacked left and right, and the protrusion 105 of one stacking plate 101 is embedded in the groove 106 of the other stacking plate 101 for connection and fixation. The connection at the front and rear ends uses a simple screw to fix the stacking plate combination component 2 at one end, and the two fixing rods in the combination and fixing component 3 structure are penetrated into the second steel bars 103 in the structure of the stacking plates 101 at both ends to fix the overall structure. Finally, the handle 313 of the combination and fixing component 3 is manually rotated 90° to the left or right to drive the arc blocks 316 on both sides of the bottom shaft 315 to squeeze the steel balls at both ends, thereby squeezing the fixing rods on both sides out and extending them into the second steel bars 103 on both sides. The spring hook is fixed to the inside of the fixing tube and one end of the fixing rod to facilitate the rebound of the fixing rod when it comes back, and the expansion reinforcement ring enters the second steel bar 103 and combines with the connecting hole 104 to increase stability.

[0029] Finally, it should be noted that the above 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 aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A recycled concrete prestressed composite slab, comprising a concrete composite slab assembly (1), characterized in that: The front end surface of the concrete composite plate assembly (1) is covered with a composite plate combining assembly (2), and a combining fixing assembly (3) is respectively provided on the left and right sides of the center of the top surface of the composite plate combining assembly (2); The composite plate combination assembly (2) comprises a fixed base plate (201), the left and right sides of the fixed base plate (201) are respectively connected to a U-shaped fixed plate A (202) and a U-shaped fixed plate B (206), one side surface of the U-shaped fixed plate A (202) is provided with a plurality of steel bar insertion holes A (203) in an arranged manner, the top and bottom surfaces of the U-shaped fixed plate A (202) are respectively provided with a plurality of screw holes A (204) in an arranged manner, each of the screw holes A (204) having a threaded member A (205) passing through it, one side surface of the U-shaped fixed plate B (206) is provided with a plurality of steel bar insertion holes B (207) in an arranged manner, the top and bottom surfaces of the U-shaped fixed plate B (206) are respectively provided with a plurality of screw holes B (208) in an arranged manner, each of the screw holes B (208) having a threaded member B (209) passing through it.

2. The recycled concrete prestressed composite slab according to claim 1, characterized in that: The concrete composite slab assembly (1) comprises a composite slab (101) having a plurality of first steel bars (102) arranged in a matrix on the top surface thereof, a plurality of second steel bars (103) respectively arranged at the front and rear ends of the composite slab (101), each of the second steel bars (103) having a connection hole (104) formed therein, a plurality of protrusions (105) arranged on the left surface thereof, and a plurality of grooves (106) arranged on the right surface thereof.

3. The recycled concrete prestressed composite slab according to claim 2, characterized in that: The front and rear end surfaces of the composite plate (101) are respectively provided with fixing rings (107) near the left and right edges, and each fixing ring (107) has a lifting ear (108) passing through it. A thread (109) is provided on one end surface of the lifting ear (108), and a lifting hole (110) is provided at the center of the other end surface of the lifting ear (108).

4. The recycled concrete prestressed composite slab according to claim 2, characterized in that: The top surface of the composite plate (101) is penetrated by limiting corners A (111) at the four edges, the bottom of the limiting corners A (111) is connected to a connecting square steel (113), a connecting groove (112) is provided inside the connecting square steel (113), and a limiting corner B (114) is provided at the bottom of the connecting square steel (113).

5. The recycled concrete prestressed composite slab according to claim 1, characterized in that: The combined fixing assembly (3) comprises a rectangular fixing block (301), a rotating hole (302) is provided at the center of the top surface of the rectangular fixing block (301), fixing tubes (303) are respectively connected at the centers of the front and rear end surfaces of the rectangular fixing block (301), a circular hole (304) is provided at one end of each of the fixing tubes (303), and the number of the two fixing tubes (303) and the number of the circular holes (304) are respectively two.

6. The recycled concrete prestressed composite slab according to claim 5, characterized in that: A spring hook A (305) is passed through the interior of one of the circular holes (304), a fixing rod A (306) is provided inside the spring hook A (305), a plurality of expansion reinforcement rings A (307) are arranged on one end surface of the fixing rod A (306), and a steel ball A (308) is provided on the other end surface of the fixing rod A (306).

7. The recycled concrete prestressed composite slab according to claim 6, characterized in that: A spring hook B (309) is passed through the inside of the other circular hole (304), a fixing rod B (310) is arranged inside the spring hook B (309), a plurality of expansion reinforcement rings B (311) are arranged on one end surface of the fixing rod B (310), and a steel ball B (312) is arranged on the other end surface of the fixing rod B (310).

8. The recycled concrete prestressed composite slab according to claim 5, characterized in that: A rotating handle (313) is provided inside the rotating hole (302), and handles (314) are respectively connected to the left and right sides of the top surface of the rotating handle (313), and the bottom of the rotating handle (313) wraps around a rotating shaft (315), and arc blocks (316) are respectively connected to the left and right sides of the rotating shaft (315).

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