Laminated slab with lower beam

Abstract

The utility model relates to the technical field of building construction, in particular to a laminated slab with a lower beam, which comprises a slab body and a support rod arranged on the lower side of the slab body, and the support rod extends along the length direction of the slab body. A plurality of upper connecting parts are pre-arranged at the positions, corresponding to the supporting rods, of the plate body in the length direction of the supporting rods at intervals; a connecting hole is formed in the position, corresponding to the upper connecting part, of the supporting rod, the laminated slab with the lower beam further comprises a lower connecting part, and the lower connecting part can upwards penetrate through the connecting hole from the lower side of the supporting rod and is detachably connected to the upper connecting part. According to the utility model, the supporting structure at the bottom of the laminated slab is optimally designed, so that the existing problems are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a composite slab with a lower beam. Background Technology

[0002] Precast slabs are prefabricated components used in building construction for floor installation. The concrete layer of a precast slab is typically between 8 and 12 centimeters thick. During on-site construction, a concrete layer is poured on top of the slab to form a unified floor slab. Currently, precast slabs usually have trusses installed on the upper side of the concrete layer to improve the overall bending resistance of the slab during storage and transportation.

[0003] Currently, trusses mostly consist of web reinforcement cast integrally into the concrete layer and transverse reinforcement connected to the top of the web reinforcement. In a patent application with publication number CN114059702B, the applicant has applied for protection of a composite slab. By setting the transverse reinforcement to a structure that can be detachably connected to the web reinforcement, the transverse reinforcement can be easily removed after on-site casting, so as to recycle the transverse reinforcement and reduce construction costs.

[0004] During practical operation, the applicant found that while placing the transverse reinforcement at the position of the web reinforcement on the upper side of the concrete layer facilitates its removal, the exposed transverse reinforcement significantly hinders vibration and correction operations during on-site pouring. Furthermore, cleaning the transverse reinforcement is also quite difficult. Therefore, the applicant proposes a composite slab with a lower beam to address the problems existing in the prior art. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a composite slab with a lower beam. By optimizing the support structure at the bottom of the composite slab, the existing problems are effectively solved.

[0006] To address the aforementioned problems, this utility model provides a composite slab with a lower beam, comprising a slab body and a support rod disposed on the lower side of the slab body. The support rod extends along the length direction of the slab body, and the slab body has a plurality of upper connecting portions spaced at intervals along the length direction of the support rod at positions corresponding to the support rod. The support rod has a connecting hole at a position corresponding to the upper connecting portion. The composite slab also includes a lower connecting portion, which can pass through the connecting hole from the lower side of the support rod and be detachably connected to the upper connecting portion.

[0007] Furthermore, the support rod includes an upper plate portion that abuts against the bottom surface of the plate, a lower plate portion disposed on the lower side of the upper plate portion, and a support rib connecting the lower plate portion and the lower plate portion.

[0008] Furthermore, the upper plate is provided with supporting ribs on both sides, and / or

[0009] The supporting rib connects the middle section of the upper plate and the middle section of the lower plate.

[0010] Furthermore, the cross-section of the support rod is set to be circular or elliptical.

[0011] Furthermore, the upper connecting part includes a threaded tube disposed on the plate body, and the lower connecting part includes a bolt.

[0012] Furthermore, there are multiple support rods, with at least two of the support rods arranged alternately along the length of the support rod.

[0013] Furthermore, the support rod includes multiple rod segments and a connecting segment capable of connecting two adjacent rod segments.

[0014] Furthermore, the connecting section is provided with a through hole that can communicate with the connecting hole, and the lower connecting part can be connected to the upper connecting part after passing through the through hole and the connecting hole.

[0015] Furthermore, a support tube is provided between the upper plate and the lower plate at the connection hole position, and the lower connecting part can pass through the support tube.

[0016] Furthermore, a fixing tube with internal threads is installed on the side of the support rod, and the bolt can be screwed into and fixed to the fixing tube.

[0017] The beneficial effects of this utility model are that by optimizing the arrangement of the universal ball bearings and optimizing the support structure at the bottom of the composite plate, the existing problems are effectively solved. Attached Figure Description

[0018] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0019] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0020] Figure 2 for Figure 1 A side view of the embodiment shown.

[0021] Figure 3 for Figure 2 A partial cross-sectional view of the structure at the bolt location (point A).

[0022] Figure 4 for Figure 1 The bottom view of the embodiment shown.

[0023] Figure 5 For another embodiment of this utility model, see reference. Figure 3 A partial cross-sectional structural diagram.

[0024] Figure 6 For another embodiment of this utility model, see reference. Figure 3 A partial cross-sectional structural diagram.

[0025] Figure 7 For another embodiment of this utility model, see reference. Figure 3 A partial cross-sectional structural diagram.

[0026] Figure 8 This is a bottom view of another embodiment of the present invention.

[0027] Figure 9 This is a bottom view of another embodiment of the present invention.

[0028] Figure 10 This is a partial bottom view of another embodiment of the present invention at the position of the support rod.

[0029] The components are: 1. Plate; 2. Support rod; 3. Connecting hole; 401. Upper plate; 402. Lower plate; 403. Support rib; 5. Threaded pipe; 6. Bolt; 701. Divided rod section; 702. Connecting section; 8. Through hole; 9. Support pipe; 10. Fixing pipe. Detailed Implementation

[0030] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0031] It should be noted that many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0032] Furthermore, it should be understood in the description of this utility model that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral unit; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. However, specifying a direct connection indicates that the two main bodies at the connection point are not connected by an intermediate structure, but are simply connected to form a whole through a connecting structure. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0034] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0035] In this utility model, such as Figures 1 to 10 As shown, a composite slab with a lower beam is provided, including a slab body 1 and a support rod 2 disposed on the lower side of the slab body 1. The support rod 2 extends along the length direction of the slab body 1, and the slab body 1 has a plurality of upper connecting parts spaced apart along the length direction of the support rod 2 at positions corresponding to the positions of the support rod 2. The support rod has a connecting hole 3 at the position corresponding to the upper connecting part. The composite slab also includes a lower connecting part, which can pass through the connecting hole 3 from the lower side of the support rod 2 and be detachably connected to the upper connecting part.

[0036] During handling and on-site construction, the composite slab of this invention increases its overall resistance to bending and deformation through the support rods 2 connected to the bottom of the slab body 1. During on-site pouring, the support rods 2, located at the bottom of the slab body 1, prevent the reinforcing structure of the composite slab (support rods 2) from affecting the pouring process and also prevent concrete from adhering to the support rods 2. After on-site pouring is completed, the upper and lower connecting parts can be separated from the bottom of the composite slab, and then the support rods 2 can be removed.

[0037] The laminated board of the present utility model can not only reduce the influence of the support rod 2 on the on-site casting of the building, but also adopt the way that the whole support rod 2 directly contacts the bottom of the board body 1. The lower connecting part directly passes through the connecting hole 3 and is fixed to the upper connecting part. In this way, when disassembling the support rod 2, it is convenient to remove the lower connecting part from the lower side of the support rod 2. Moreover, the reinforcing structure of the laminated board adopts the form of the support rod 2, making the overall structure of the reinforcing structure simple, easy to disassemble, move and store, especially convenient for moving the support rod 2 in the space under the laminated board (usually in the room of the building that has been cast and formed).

[0038] It should be noted that the improvement of the present utility model lies in the reinforcing structure of the laminated board, and there is no restriction or improvement on the cast-in-place connection structure (such as the connecting lap stirrups shown in the figure) on the upper side of the board body 1. Those skilled in the art can flexibly select the cast-in-place connection structure on the upper side of the board body 1 during implementation.

[0039] In a preferred embodiment, as Figure 5 、 6 、7, for the structure of the present utility model, specifically, the support rod 2 includes an upper plate portion 401 that fits and abuts against the bottom surface of the board body 1, a lower plate portion 402 provided on the lower side of the upper plate portion 401, and a support rib 403 connected between the lower plate portion 402 and the lower plate portion 402.

[0040] By adopting the upper plate portion 401, the support rod 2 and the board body 1 can adopt surface-to-surface contact, so that on the basis of maintaining sufficient support force of the support rod 2 on the board body 1, the contact pressure between the support rod 2 and the board body 1 is reduced, which is beneficial to protecting the board body 1. By providing the lower plate portion 402, it is convenient for the lower connecting part to fix the support rod 2 at the bottom of the support rod 2 when connecting and fixing the support rod 2 between the lower connecting part and the upper connecting part.

[0041] In a preferred embodiment, for the embodiment adopting the upper plate portion 401, the lower plate portion 402 and the support rib 403, specifically, the support ribs 403 are respectively provided on both sides of the upper plate portion 401. As Figure 5 and 7 shown, the support rod 2 is generally in a "mouth" shape, and both sides of the upper plate portion 401 are connected and supported by the support ribs 403 respectively, which can improve the anti-bending strength of the support rod 2 and the support stability of the support rod 2 on the board body 1.

[0042] In an alternative embodiment, for the structural setting of the support rod 2, it can also be set as follows: a support rib 403 is connected between the middle section of the upper plate portion 401 and the middle section of the lower plate portion 402. In one embodiment, as Figure 6 shown, the support rod 2 is generally in an "I" shape, and thus it can be made by processing existing I-beams. Or, in another embodiment, as Figure 5 In the illustrated embodiment, a support rib 403 is added inside the "mouth"-shaped support rod 2 to increase the strength of the support rod 2.

[0043] Regarding the structure of the support rod 2, in an alternative embodiment, it can also be as Figure 3 shown, the cross-section of the support rod is set to be circular or oval.

[0044] In a preferred embodiment, for the structure of the present utility model, more specifically, the upper connecting portion includes a threaded pipe 5 provided on the plate body 1, and the lower connecting portion includes a bolt 6. As shown in the figure, in this way, when pouring and processing the plate body 1 of the laminated board, the threaded pipe 5 can be prefabricated in the pouring mold, so that the threaded pipe 5 is integrally connected inside the plate body 1. By means of connecting with the bolt 6, it is convenient to install and fix the support rod 2 on the outer side of the rod body.

[0045] In a preferred embodiment, for the structure of the present utility model, more specifically, a plurality of support rods 2 are provided, and at least two of the support rods 2 are arranged staggeredly in the length direction of the support rod 2. As Figure 8 shown, in this way, support rods 2 with relatively short lengths can be combined and installed at the bottom of the plate body 1. While maintaining the effect of supporting the strength of the plate body 1, it is convenient to disassemble, carry and store the support rods 2.

[0046] Regarding the support method of the support rod 2 to the plate body 1, in the Figure 8 illustrated embodiment, more specifically, as Figure 8 described, a plurality (two) of support rods 2 are horizontally spaced on the support rod 2 located in the middle section of the plate body 1. These support rods 2 play a main role in resisting bending for the plate body 1 (when the plate body 1 is pressured and bent, the bending moment of this part is relatively large). The number of support rods 2 located at the end positions of the plate body 1 can be appropriately less than that of the support rods 2 in the middle section of the plate body 1 (1 is used as shown in the figure). The length of the overlapping part of the horizontal projections of the support rods 2 in the middle section and at the end positions of the plate body 1 on the plate body 1 is not less than 50 cm. In this way, the continuity of the support strength of the support rods 2 to the plate body 1 can be enhanced.

[0047] Regarding the embodiment of reducing the length of the support rod 2, in another embodiment, it can be as Figure 9 shown, the support rod 2 includes a plurality of sub-rod segments 701 and a connecting segment 702 capable of connecting two adjacent sub-rod segments 701.

[0048] As Figure 9As shown, this allows the support rod 2 to be disassembled and its segments 701 and connecting segments 702 to be operated separately when it is removed, stored, or transported. Moreover, after the support rod 2 is assembled on the composite plate, the connecting segment 702 can stably connect two adjacent segments 701, thereby maintaining the stable and continuous support reinforcement of the plate 1 by the support rod 2.

[0049] exist Figure 9 In the middle, the upper support rod shows the state after the connecting section and the sub-section are connected, while the lower support rod shows the state before the connecting section is installed.

[0050] Regarding the connection method between connecting segment 702 and branch segment 701, Figure 9 In the illustrated embodiment, more specifically, the connecting segment 702 is provided with a through hole 8 that can communicate with the connecting hole 3, and the lower connecting part can be connected to the upper connecting part after passing through the through hole 8 and the connecting hole 3.

[0051] like Figure 9 As shown, the connecting section 702 can be directly connected to the lower side of the branch section 701, which increases the vertical dimension of the support rod 2 at the position of the connecting section 702 after assembly, and also increases the support strength of the support rod 2 at the position of the connecting section 702. Moreover, the connection between the branch section 701 and the connecting section 702 can be realized simultaneously by using the connection between the lower connecting part and the upper connecting part.

[0052] The installation method of the connecting section 702 is not limited to the method of installing the connecting section 702 on the lower side of the branch section 701. In optional embodiments, the connecting section 702 can also be connected to the side of the branch section 701.

[0053] In a preferred embodiment, a further optimization of the structure of this utility model is that a support tube 9 is provided between the upper plate portion 401 and the lower plate portion 402 at the position of the connecting hole 3, and the lower connecting portion can pass through the support tube 9. Figures 5 to 7 As shown, by setting the support tube 9, the upper plate segment and the lower plate segment at the connection hole 3 position can be reinforced by the support tube 9 to prevent the upper plate segment and the lower plate segment from deforming at the connection hole 3 position.

[0054] In a preferred embodiment, a further optimization of the structure of this utility model is that a fixing tube 10 with internal threads is installed on the side of the support rod 2, and the bolt 6 can be screwed and fixed to the fixing tube 10. Figure 10 As shown, by setting up the fixing tube 10, the removed bolts 6 can be temporarily fixed in the fixing tube 10 after the support rod 2 is disassembled, which simplifies the process of workers collecting the bolts 6 and also prevents the bolts 6 from being lost.

[0055] exist Figure 10 In the middle, the leftmost bolt was removed and then fixed to the tube for display.

[0056] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0057] The above description is merely an embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this application should be included within the scope of the claims of this application.

Claims

1. A laminated floor panel with a lower beam, characterized in that, The laminated board comprises a plate body, a support rod arranged on the lower side of the plate body, the support rod extends along the length direction of the plate body, and the plate body is spaced apart from the support rod at a plurality of upper connecting portions along the length direction of the support rod; the support rod is provided with a connecting hole at the position corresponding to the upper connecting portion, and the laminated board further comprises a lower connecting portion, the lower connecting portion can pass through the connecting hole from the lower side of the support rod and be detachably connected to the upper connecting portion.

2. The laminated slab with lower beams according to claim 1, characterized in that, The support rod comprises an upper plate portion abutting against the bottom surface of the plate body, a lower plate portion arranged on the lower side of the upper plate portion, and a support rib connected between the upper plate portion and the lower plate portion.

3. The laminated slab with lower beams according to claim 2, characterized in that, The upper plate portion is provided with the support rib on both sides thereof, and / or The support rib is connected between the middle section of the upper plate portion and the middle section of the lower plate portion.

4. The laminated slab with lower beam according to claim 1, characterized in that, The cross section of the support rod is circular or elliptical.

5. The laminated slab with lower beam according to claim 1, characterized in that, The upper connecting portion comprises a threaded pipe arranged on the plate body, and the lower connecting portion comprises a bolt.

6. The laminated slab with lower beam according to claim 1, characterized in that, The support rod is provided with a plurality of support rods, and at least two support rods are staggered arranged along the length direction of the support rod.

7. The laminated slab with lower beam according to claim 1, characterized in that, The support rod comprises a plurality of sub-rod segments and a connecting segment capable of connecting two adjacent sub-rod segments.

8. The laminated slab with lower beams according to claim 7, characterized in that, The connecting segment is provided with a through hole capable of communicating with the connecting hole, and the lower connecting portion can be connected to the upper connecting portion by passing through the through hole and the connecting hole.

9. The laminated slab with lower beam according to claim 2, characterized in that, A support pipe is arranged between the upper plate portion and the lower plate portion at the position of the connecting hole, and the lower connecting portion can pass through the support pipe.

10. The laminated slab with lower beam according to claim 5, characterized in that, A fixing pipe provided with an internal thread is arranged on the side of the support rod, and the bolt can be screwed and fixed in the fixing pipe.

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