Top span beam structure for fabricated building

Abstract

The utility model relates to the technical field of assembly type buildings, in particular to a top span beam structure for an assembly type building, which adopts the technical scheme that the top span beam structure comprises a cross beam, reinforcing frames are fixedly mounted at two ends of the cross beam respectively, first steps are arranged at two ends of the upper surface of the cross beam respectively, and second steps are arranged on two sides of the upper surface of the cross beam respectively; first pre-embedded holes are formed in the second steps at equal intervals, and second pre-embedded holes are formed in the two sides of the bottoms of the two ends of the cross beam correspondingly; anchoring parts are installed in the first pre-buried holes in an embedded mode, every two first pre-buried holes form a group, and the first pre-buried holes perpendicularly penetrate through the cross beam. Holes do not need to be formed in the beam body on site, the construction process is effectively simplified, the construction efficiency is improved, the stability and waterproof performance of the structure are enhanced, and the problems that in the prior art, construction is complex and water leakage is caused due to the fact that a top plate needs to be poured on site after the beam body is installed, and the structural stability is affected due to beam body on-site hole forming are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fabricated building, specifically to a top cross beam structure for fabricated building. BACKGROUND

[0002] Single-span beam is a simple beam structure, its feature lies in that the both ends of the beam have a fixed point each, these fixed points limit the displacement of the beam, so that the beam can only bend between the two fixed points when subjected to load, and this structure is widely used in various buildings due to its simple structure.

[0003] Through a large number of searches, the utility model discloses a kind of top cross beam structure for fabricated building, when installing beam body, by extruding plug-in block, so that beam body can be tightly fitted with the top of fixed seat, in turn, beam body has a fixed effect, stability is stronger, it is convenient for staff to install beam body quickly.

[0004] In the prior art, the device can quickly install the beam body with the help of the mounting seat. However, after the beam body is installed, the adjacent beam bodies need to be cast in place for the top plate. Currently, formwork needs to be erected between the adjacent beam bodies, and then concrete is poured at the top plate. However, due to the time difference during pouring, water leakage occurs at the gap after the top plate is poured. At the same time, the steel bars in the top plate need to be anchored with the steel in the beam body during pouring, which requires opening holes in the beam body, thereby affecting the overall structural stability of the beam body. Therefore, a top cross beam structure for fabricated building is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of top cross beam structure for fabricated building, with the advantages of simplifying construction process, improving construction efficiency, enhancing structural stability and waterproof performance, solving the problems of complex construction, water leakage and structural stability affected by on-site opening of beam body after installation in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of top cross beam structure for fabricated building, including crossbeam, the crossbeam both ends are respectively fixedly installed with reinforcing frame, the crossbeam upper surface both ends are respectively equipped with first step, the crossbeam upper surface both sides are respectively equipped with second step, the second step is equidistantly provided with first embedded hole, the bottom of the crossbeam both ends two sides is respectively provided with second embedded hole;

[0007] The anchor is embedded and installed in the first embedded hole, the first embedded hole is a group of two, and the first embedded hole penetrates the crossbeam vertically.

[0008] Preferably, the beam longitudinal section adopts a convex structure design, the two ends of the beam lower surface are poured with protrusions, and the beam is poured with a steel mesh cage through concrete. In the design, the beam longitudinal section adopts a convex structure design, which increases the cross-sectional modulus of the beam, improves the bending resistance of the beam, and enhances the stability of the entire structure. The two ends of the beam lower surface are poured with protrusions, which can increase the exposed height of the connection between the beam and the column. The beam is poured with a steel mesh cage through concrete, which can improve the crack resistance and integrity of the beam and reduce cracks caused by temperature changes or loads.

[0009] Preferably, the second reserved hole is provided on the upper end surface of the reinforcing frame, the anchor bolt is embedded and installed through the side hole of the reinforcing frame, the top of the reinforcing frame is located inside the first step, and the upper end surface of the reinforcing frame is flush with the upper end surface of the beam. In the design, the second reserved hole is provided on the upper end surface of the reinforcing frame, which allows quick installation and fixation, simplifying the construction process. The anchor bolt is embedded and installed through the side hole of the reinforcing frame, which provides a more secure connection and improves the connection strength between the beam and the reinforcing frame. The top of the reinforcing frame is located inside the first step, and the upper end surface of the reinforcing frame is flush with the upper end surface of the beam, which helps to maintain the flatness and aesthetics of the structure.

[0010] Preferably, one end of the anchor bolt inside the reinforcing frame is embedded and installed in the second pre-buried hole, the other end of the anchor bolt outside the reinforcing frame adopts a spherical structure design, and the anchor bolt is parallel to the upper end surface of the reinforcing frame. In the design, one end of the anchor bolt inside the reinforcing frame is embedded and installed in the second pre-buried hole, which improves the reliability of anchoring and ensures the stability of the structure. The other end of the anchor bolt adopts a spherical structure design, which can provide multi-directional anchoring and enhance the seismic performance of the structure.

[0011] Preferably, a through first reserved hole is provided on the beam at the first step, the first reserved hole and the second reserved hole have matching diameters, and the first reserved hole is provided at a position matching the position of the second reserved hole. In the design, the first reserved hole and the second reserved hole have matching diameters, which ensures the accuracy and reliability of the connection. The first reserved hole is provided at a position matching the position of the second reserved hole, which simplifies the alignment and connection steps in the construction process and improves the construction efficiency.

[0012] Preferably, the anchor is designed in a triangular structure, the anchor is made of the same specification of steel bars as in the cross beam, the top of the anchor is lower than the upper end surface of the cross beam, and the connecting part of the anchor and the first embedded hole is filled with anchoring adhesive. The anchor is designed in a triangular structure, which can provide better mechanical properties and improve the integrity of the structure, the anchor is made of the same specification of steel bars as in the cross beam, the consistency of the material helps to improve the uniformity and durability of the structure, and the connecting part of the anchor and the first embedded hole is filled with anchoring adhesive, which can enhance the anchoring effect and improve the anti-seismic and anti-cracking performance of the structure.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] In the utility model, the prefabricated cross beam and the reinforcing frame reduce the amount of site pouring. The reinforcing frame at both ends of the cross beam allows quick installation and fixation, simplifying the construction process. The use of the embedded hole and the anchor reduces the work of site opening and pouring, thereby simplifying the construction process. The prefabricated cross beam and the reinforcing frame can be quickly installed, improving the construction efficiency. The design of the embedded hole and the anchor on the cross beam allows quick positioning and fixation, reducing the site construction time. The design of the structure allows quick erection of the formwork between adjacent cross beams to form the boundary of the roof, thereby accelerating the construction progress of the roof. The cross beam is designed in a convex structure, increasing the sectional modulus, improving the bending resistance, and enhancing the stability of the entire structure. The anchor is designed in a triangular structure and is made of the same specification of steel bars as in the cross beam, the top of the anchor is lower than the upper end surface of the cross beam, and the connecting part is filled with anchoring adhesive, thereby enhancing the anchoring effect, improving the anti-seismic and anti-cracking performance of the structure, and improving the waterproof performance. The prefabricated cross beam and the reinforcing frame reduce the work of site pouring of the roof, avoiding the water leakage problem caused by the time difference during pouring. The problem of the influence of the site opening of the beam body on the stability of the structure is avoided, because the structure is connected through the embedded hole and the anchor, and the beam body does not need to be opened on site. The construction process is effectively simplified, the construction efficiency is improved, the stability and waterproof performance of the structure are enhanced, and the problems of complex construction, water leakage, and the influence of the site opening of the beam body on the stability of the structure caused by the pouring of the roof after the installation of the beam body in the prior art are solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0017] Figure 3 It is a cross beam structural schematic diagram of the utility model;

[0018] Figure 4The utility model discloses a reinforcing frame structure schematic diagram.

[0019] In the drawing: 1, crossbeam, 11, first step, 12, second step, 1201, first preburied hole, 1202, second preburied hole, 101, first reserved hole, 2, reinforcing frame, 201, second reserved hole, 21, anchor bolt, 3, anchoring piece. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Embodiment one

[0022] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment: a kind of top cross beam structure for fabricated building, including crossbeam 1, reinforcing frame 2 is respectively fixedly installed in the both ends of crossbeam 1, the both ends of crossbeam 1 upper surface are equipped with first step 11 respectively, the both sides of crossbeam 1 upper surface are equipped with second step 12 respectively, first preburied hole 1201 is equidistantly set up on second step 12, second preburied hole 1202 is set up respectively in the both sides of the bottom of the both ends of crossbeam 1.

[0023] Anchor bolt 3 is embedded and installed in first preburied hole 1201, first preburied hole 1201 two are a group, first preburied hole 1201 vertically penetrates crossbeam 1.

[0024] Specifically, the prefabricated cross beam 1 and the reinforcing frame 2 reduce the amount of site pouring work. The reinforcing frame 2 at both ends of the cross beam 1 is designed to allow quick installation and fixation, simplifying the construction process. The use of pre-buried holes and anchor members 3 reduces site hole opening and pouring work, thereby simplifying the construction process. The prefabricated cross beam 1 and the reinforcing frame 2 can be quickly installed, improving construction efficiency. The design of the pre-buried holes and anchor members 3 on the cross beam 1 allows quick positioning and fixation, reducing site construction time. The design of the structure allows quick erection of the formwork between adjacent cross beams 1 to form the boundary of the roof, thereby speeding up the construction progress of the roof. The cross beam 1 adopts a convex structure design, increasing the cross-sectional modulus, improving the bending resistance, and enhancing the stability of the entire structure. The anchor member 3 adopts a triangular structure design, which is made of the same specification of steel bars as in the cross beam 1, the top height is lower than the upper end surface height of the cross beam 1, and the connection is filled with a bonded rebar glue, which enhances the anchoring effect and improves the seismic and crack resistance of the structure, thereby improving the waterproof performance. Through the prefabricated cross beam 1 and the reinforcing frame 2, the work of pouring the roof on site is reduced, and the problem of water leakage caused by the time difference during pouring is avoided. The problem of the influence of the stability of the structure caused by the site hole opening of the beam body is avoided, because the structure is connected through the pre-buried holes and anchor members 3, without the need to open holes in the beam body on site. Effectively simplifying the construction process, improving the construction efficiency, enhancing the stability and waterproof performance of the structure, and solving the problems of complex construction, water leakage caused by pouring the roof on site after the beam body is installed, and the influence of the stability of the structure caused by the site hole opening of the beam body in the prior art.

[0025] Example Two

[0026] In order to improve the stability of the various structures installed on the cross beam, as shown in Figure 1 , Figure 3 and Figure 4 , the longitudinal cross section of the cross beam 1 adopts a convex structure design, the two ends of the lower surface of the cross beam 1 are poured with protrusions, and a steel bar mesh cage is poured in the cross beam 1 by concrete. In the design, the longitudinal cross section of the cross beam 1 adopts a convex structure design, which increases the cross-sectional modulus of the cross beam 1, improves the bending resistance of the cross beam 1, and thereby enhances the stability of the entire structure. The two ends of the lower surface of the cross beam 1 are poured with protrusions, which can increase the exposed height of the connection between the cross beam 1 and the column. A steel bar mesh cage is poured in the cross beam 1 by concrete, which can improve the crack resistance and integrity of the cross beam 1, and reduce cracks caused by temperature changes or loads.

[0027] Further, the second reserved hole 201 is arranged on the upper end surface of the reinforcing frame 2, the anchor bolt 21 is embedded and installed on the side surface of the reinforcing frame 2, the top of the reinforcing frame 2 is located inside the first step 11, and the upper end surface of the reinforcing frame 2 is flush with the upper end surface of the cross beam 1. In the design, the second reserved hole 201 is arranged on the upper end surface of the reinforcing frame 2, which allows quick installation and fixation, simplifying the construction process. The anchor bolt 21 is embedded and installed on the side surface of the reinforcing frame 2, which provides a more secure connection and improves the connection strength between the cross beam 1 and the reinforcing frame 2. The top of the reinforcing frame 2 is located inside the first step 11, and the upper end surface is flush with the upper end surface of the cross beam 1, which helps to maintain the flatness and aesthetics of the structure.

[0028] Further, one end of the anchor bolt 21 inside the reinforcing frame 2 is embedded and installed in the second embedded hole 1202, the other end of the anchor bolt 21 outside the reinforcing frame 2 adopts a spherical structure design, and the anchor bolt 21 is parallel to the upper end surface of the reinforcing frame 2. In the design, one end of the anchor bolt 21 inside the reinforcing frame 2 is embedded and installed in the second embedded hole 1202, which improves the reliability of anchoring and ensures the stability of the structure. The other end of the anchor bolt 21 adopts a spherical structure design, which can provide multi-directional anchoring and enhance the seismic performance of the structure.

[0029] Further, the first reserved hole 101 is arranged on the cross beam 1 at the first step 11, the hole diameter of the first reserved hole 101 matches the hole diameter of the second reserved hole 201, and the first reserved hole 101 is arranged at a position matching the arrangement position of the second reserved hole 201. In the design, the hole diameter of the first reserved hole 101 matches the hole diameter of the second reserved hole 201, which ensures the accuracy and reliability of the connection. The first reserved hole 101 is arranged at a position matching the arrangement position of the second reserved hole 201, which simplifies the alignment and connection steps in the construction process and improves the construction efficiency.

[0030] Further, the anchor 3 adopts a triangular structure design, the anchor 3 is made of the same specification steel as inside the cross beam 1, the top of the anchor 3 is lower than the height of the upper end surface of the cross beam 1, and the connection between the anchor 3 and the first embedded hole 1201 is filled with anchoring glue. In the design, the anchor 3 adopts a triangular structure design, which can provide better mechanical properties and improve the integrity of the structure. The anchor 3 is made of the same specification steel as inside the cross beam 1, which helps to improve the uniformity and durability of the structure. The connection between the anchor 3 and the first embedded hole 1201 is filled with anchoring glue, which can enhance the anchoring effect and improve the seismic and crack resistance of the structure.

[0031] The utility model discloses use, check the integrity of crossbeam 1, ensure that the first step 11 of both ends and the second step 12 of both sides are not damaged, embed and install anchorage member 3 in first pre -buried hole 1201, and fixed installation reinforcing frame 2 is installed in the both ends of crossbeam 1, ensure that the upper end surface of reinforcing frame 2 is flat with the upper end surface of crossbeam 1, and the side hole of reinforcing frame 2 is embedded and installed anchor bolt 21, and ensure that the one end of anchor bolt 21 is embedded and installed in second pre -buried hole 1202.

[0032] In the inside of adjacent crossbeam 1, erect the formwork, ensure the position of formwork, to form the boundary of roof, carry out the steel bar binding in the formwork, and form the steel bar structure of roof. Ensure that the layout and binding of steel bar meet the design requirement and building specification, anchor and connect the steel bar in roof with anchorage member 3 on crossbeam 1, after completing the steel bar anchoring, directly pour the roof by concrete. Ensure that the concrete uniformly fills the space in formwork, and, during the pouring process, ensure that the thickness of roof is same with the depth of second step 12, after completing the concrete pouring, ensure that the top of roof is flat with the top of crossbeam 1. After completing the concrete pouring, carry out proper maintenance, to ensure that the concrete reaches the design strength, after the solidification of concrete, check whether there is the leakage phenomenon in the connecting place between roof and crossbeam 1, ensure the waterproof performance, after confirming that all construction steps are completed, remove the formwork, and carry out the final structure check, ensure the stability and safety of entire fabricated building roof cross beam structure.

[0033] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

Claims

1. A top span beam structure for prefabricated buildings, comprising a crossbeam (1), wherein reinforcing frames (2) are fixedly installed at both ends of the crossbeam (1), characterized in that: The upper surface of the crossbeam (1) is provided with a first step (11) at both ends, and the upper surface of the crossbeam (1) is provided with a second step (12) on both sides. The second step (12) is provided with a first pre-embedded hole (1201) at equal intervals, and the bottom of both ends of the crossbeam (1) is provided with a second pre-embedded hole (1202). An anchor (3) is embedded in the first pre-embedded hole (1201). The first pre-embedded holes (1201) are in groups of two and the first pre-embedded holes (1201) penetrate vertically through the crossbeam (1).

2. The top span beam structure for prefabricated buildings according to claim 1, characterized in that, The longitudinal section of the crossbeam (1) adopts a convex-shaped structure design. The two ends of the lower surface of the crossbeam (1) are respectively cast with protrusions, and a steel mesh cage is cast inside the crossbeam (1) by concrete.

3. The top span beam structure for prefabricated buildings according to claim 1, characterized in that, The upper end face of the reinforcing frame (2) is provided with a second reserved hole (201), the side of the reinforcing frame (2) is provided with a hole and an anchor bolt (21) is installed, the top of the reinforcing frame (2) is located inside the first step (11), and the upper end face of the reinforcing frame (2) is flush with the upper end face of the crossbeam (1).

4. The top span beam structure for prefabricated buildings according to claim 3, characterized in that, One end of the anchor bolt (21) on the inner side of the reinforcement frame (2) is embedded in the second pre-embedded hole (1202), and the other end of the anchor bolt (21) on the outer side of the reinforcement frame (2) adopts a spherical structure design. The anchor bolt (21) is parallel to the upper surface of the reinforcement frame (2).

5. A top span beam structure for prefabricated buildings according to claim 1, characterized in that, A through-hole (101) is provided on the crossbeam (1) at the first step (11). The diameter of the first reserved hole (101) matches that of the second reserved hole (201), and the opening position of the first reserved hole (101) matches that of the second reserved hole (201).

6. A top span beam structure for prefabricated buildings according to claim 1, characterized in that, The anchor (3) adopts a triangular structure design. The anchor (3) is made of steel bars of the same specifications as those in the crossbeam (1). The top height of the anchor (3) is lower than the height of the upper end face of the crossbeam (1). The connection between the anchor (3) and the first pre-embedded hole (1201) is filled with rebar adhesive.

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