Connecting and supporting unit and plate-girder connecting and prefabricating combined structure

Abstract

The utility model discloses a connection supporting unit and a plate girder connection prefabricated combined structure, and the connection supporting unit comprises a connection body which comprises a first top plate which is transversely arranged; the supporting body comprises a transversely-arranged second top plate and supporting legs arranged at the bottoms of the two sides of the first top plate, a limiting groove is formed between one side of the top of each supporting leg and the second top plate, an avoiding notch is formed in the other side of the top of each supporting leg, and the first top plate is sleeved with the limiting grooves which can slide along the first top plate; and the locking structure is arranged between the first top plate and the second top plate. By means of the structure, the supporting body can move relative to the connecting body to adjust the position, interference between the supporting body and a steel bar head exposed on the superposed beam is avoided, and it is guaranteed that the prefabricated floor slab can be accurately placed at the set position; the keel reinforcing steel bars can be contained through the arranged receding notches, the keel reinforcing steel bars do not need to penetrate through the supporting body, and therefore the procedure complexity in the prefabricated floor slab assembling process is reduced, the prefabricated floor slab is convenient to assemble and construct, and the assembling and constructing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building prefabricated assembly technical field, especially connect support unit and slab beam connection prefabricated combination structure. BACKGROUND

[0002] The prefabricated building adopts the component production in the factory, and then installs in the engineering site, has the advantages such as fast construction speed, less formwork and the like. Taking the installation of prefabricated floor and composite beam as an example, first, the prefabricated beam is installed, then the two ends of the prefabricated floor are lapped on the composite beam, and then the reinforcement exposed on the prefabricated floor and the composite beam is bound with reinforcement, and the concrete is poured, so that the composite beam and the prefabricated floor are connected as a whole.

[0003] Among them, the assembly of the composite beam and the prefabricated floor will adopt a connecting structure to assist lapping, such as the patent with the announcement number CN220225921U, which discloses a furring frame connecting structure for prefabricated floor, and the support structure includes a support unit, the support unit includes a top plate, a bottom plate and a support plate connecting the top plate and the bottom plate, and the support plate is provided with a through hole for the furring bar to pass through. When assembling, the support unit is placed on the composite beam to provide support, and there is no need to use a scaffold to support during the second pouring.

[0004] For the above-mentioned scheme, the following problems exist: the furring reinforcement is arranged in the through hole, which is troublesome to assemble, and the through hole and the furring reinforcement are not aligned, which needs to be adjusted or the hole is expanded; sometimes the support unit will interfere with the reinforcement head exposed on the composite beam, causing the prefabricated floor to be unable to be accurately placed at the set position, and the placement of the prefabricated floor needs to be designed and adjusted, which will cause the construction time to be prolonged. Therefore, the above-mentioned scheme will cause the assembly and construction of the prefabricated floor to be complicated, and the assembly efficiency is reduced. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a connecting support unit and slab beam connection prefabricated combination structure, which can solve the problem of complicated assembly and construction of the prefabricated floor and improve the assembly efficiency.

[0006] According to the first aspect of the utility model, a connecting support unit is provided, which includes: a connecting body including a first top plate arranged transversely; a support body including a second top plate arranged transversely and a support leg arranged at the bottom of both sides of the first top plate, a limiting groove is arranged between the top side of the support leg and the second top plate, and an avoiding cutout is arranged on the other side of the top of the support leg, the limiting groove is sleeved on the first top plate and can slide along the first top plate; a locking structure is arranged between the first top plate and the second top plate.

[0007] According to the connecting support unit, the locking structure comprises a first through hole, a second through hole and a bolt, the first through hole is arranged in the first top plate, the second through hole is arranged in the second top plate, the bolt is arranged in the first through hole and the second through hole and is sleeved with a nut.

[0008] According to the connecting support unit, the second through hole is arranged as a strip-shaped hole, or the second through hole is arranged as a circular hole, and the second through hole is arranged with at least three along the second top plate.

[0009] According to the connecting support unit, the connecting body further comprises a first bottom plate arranged in parallel below the first top plate and a first support plate connected with the first bottom plate and the first top plate respectively.

[0010] According to the connecting support unit, the support leg comprises a second bottom plate with an integrally formed horizontal section and vertical section, and a second support plate connected with the top surface of the horizontal section and the side surface of the vertical section respectively, and the second support plate is provided with a limiting gap on one side of the top portion, and the inner wall of the limiting gap and the bottom surface of the second top plate form the limiting groove.

[0011] According to the second aspect of the utility model, the plate beam connecting prefabricated combined structure comprises the connecting support unit, and further comprises a composite beam, a prefabricated floor and a keel reinforcement, the first stirrup is embedded in the composite beam, the two ends of the first stirrup are arranged on the top surface of the composite beam and are bent inward to form first hook angles, the second stirrup is embedded in the prefabricated floor, the part of the second stirrup arranged outside the prefabricated floor is in U shape, the keel reinforcement is arranged on the inner side of the first hook angle and is connected with the second stirrup by binding, the connecting body is inserted into the prefabricated floor, the support body is arranged on the top surface of the composite beam, and the support leg is arranged below the keel reinforcement.

[0012] The plate beam connecting prefabricated combined structure further comprises a third stirrup, the two ends of the third stirrup are bent towards each other to form second hook angles, and the keel reinforcement is arranged on the inner side of the second hook angles.

[0013] The plate beam connecting prefabricated combined structure further comprises a third stirrup, the two ends of the third stirrup are bent towards each other to form second hook angles, and the keel reinforcement is arranged on the inner side of the second hook angles.

[0014] The plate beam connecting prefabricated combined structure further comprises a third stirrup, the two ends of the third stirrup are bent towards each other to form second hook angles, and the keel reinforcement is arranged on the inner side of the second hook angles. Beneficial effects: as described above, the limiting groove is sleeved on the first top plate and can slide along the first top plate, so that the support body can move relative to the connecting body to adjust the position, avoid interference with the exposed reinforcement head on the composite beam, and ensure that the prefabricated floor can be accurately placed in the set position; the avoiding cutout can accommodate the keel reinforcement, and the keel reinforcement does not need to be arranged in the support body, thereby reducing the process complexity in the prefabricated floor assembly process, improving the prefabricated floor assembly construction convenience, and improving the assembly construction efficiency.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in conjunction with the drawings and embodiments:

[0017] Figure 1 is a structural diagram of the connecting support unit of the present application;

[0018] Figure 2 is Figure 1 is a structural diagram of the connecting body and the support body shown in the middle;

[0019] Figure 3 is a structural diagram of another embodiment of the support body;

[0020] Figure 4 is a schematic diagram of the slab beam connecting prefabricated combined structure of the present application;

[0021] Figure 5 is a schematic diagram of the connection between the prefabricated floor slab and the keel steel bar;

[0022] Figure 6 is a combined schematic diagram of the composite beam and the third stirrup. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0024] In the description of the present application, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.

[0025] In the description of the present application, greater than, less than, more than, etc. is understood as not including the number, above, below, etc. is understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0026] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood in a broad sense, and the skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0027] Reference Figures 1-3 The utility model discloses a connection support unit, it includes connecting body 11, support 12 and locking structure, connecting body 11 includes the first top plate 111 of transverse arrangement, support 12 includes the second top plate 121 of transverse arrangement and is arranged at the bottom of the both sides of first top plate 111 and the support 122, and the top one side between support 122 has the limiting slot 123, and the top other side of support 122 has the avoidance cutout 124, limiting slot 123 is sleeved in first top plate 111 and can slide along first top plate 111, and locking structure is arranged between first top plate 111 and second top plate 121.

[0028] When producing prefabricated floor slab 30, connecting body 11 is embedded in it, when assembling at the construction site, hoist and place prefabricated floor slab 30, place support 122 on laminated beam 20, and connecting body 11 has a spacing with the exposed reinforcing steel bar head reserved on laminated beam 20, if support 12 interferes with the exposed reinforcing steel bar head reserved on laminated beam 20, then limiting slot 123 on support 12 can be slid along first top plate 111, then first top plate 111 and second top plate 121 are locked through locking structure, so that the position of support 12 can be adjusted, after placing prefabricated floor slab 30, install keel reinforcing steel bar 40 on laminated beam 20, keel reinforcing steel bar 40 is located in avoidance cutout, so that keel reinforcing steel bar 40 does not need to be arranged in support 12, finally install other reinforcing steels, and pour concrete.

[0029] As described above, by the structure that limiting slot 123 is sleeved in first top plate 111 and can slide along first top plate 111, support 12 can move relative to connecting body 11 to adjust the position, avoid interference with the exposed reinforcing steel bar head on laminated beam 20, and ensure that prefabricated floor slab 30 can be accurately placed in the set position, through the avoidance cutout 124 arranged can accommodate keel reinforcing steel bar 40, and keel reinforcing steel bar 40 does not need to be arranged in support 12, thereby reducing the process complexity in the assembly process of prefabricated floor slab 30, prefabricated floor slab 30 is assembled conveniently, and the assembly construction efficiency is improved.

[0030] Locking structure includes first through hole 141, second through hole 142 and bolt piece 143, first through hole 141 is opened in first top plate 111, second through hole 142 is opened in second top plate 121, bolt piece 143 is arranged in first through hole 141 and second through hole 142, and is sleeved with nut piece 144.

[0031] In an embodiment, the second through hole 142 is a strip-shaped hole, and the position of the support body 12 relative to the connecting body 11 can be adjusted by sliding the bolt 143 along the second through hole 142.

[0032] In another embodiment, the second through hole 142 is a circular hole, and at least three second through holes 142 are arranged along the second top plate 121. The position of the support body 12 relative to the connecting body 11 can be adjusted by inserting the bolt 143 into different second through holes 142.

[0033] The connecting body 11 further comprises a first bottom plate 112 and a first support plate 113. The first bottom plate 112 is arranged parallel below the first top plate 111, and the first support plate 113 is connected with the first bottom plate 112 and the first top plate 111, respectively, to improve the structural strength of the connecting body 11 and the bonding strength with the prefabricated floor slab 30.

[0034] The support leg 122 comprises a second bottom plate 1221 and a second support plate 1222. The second bottom plate 1221 has an integrally formed horizontal section and a vertical section, and the second support plate 1222 is connected with the top surface of the horizontal section and the side surface of the vertical section, respectively. The second support plate 1222 has a limiting gap on one side of the top portion, and the inner wall of the limiting gap and the bottom surface of the second top plate 121 form a limiting groove. Specifically, the plate blank is bent into an L shape to form the horizontal section and the vertical section of the second bottom plate 1221, and the horizontal section and the vertical section are integrally formed and connected. The horizontal section has a large bottom area, which can reduce the pressure on the top surface of the composite beam 20.

[0035] Referring to Figures 4-6 The utility model also provides a plate beam connecting prefabricated combined structure, it includes above connecting support unit, still include composite beam 20, prefabricated floor slab 30 and keel reinforcement 40. Wherein, composite beam 20 is embedded with first stirrup 21, and the both ends of first stirrup 21 all stretch out the top surface of composite beam 20, and the both ends of first stirrup 21 are bent and form first hook angle 211 inwards, prefabricated floor slab 30 is embedded with second stirrup 31, and second stirrup 31 stretches out prefabricated floor slab 30, and the part of second stirrup 31 that stretches out prefabricated floor slab 30 is U-shaped, keel reinforcement 40 is located the inboard of first hook angle 211, and is connected with second stirrup 31 through silk binding, connecting body 11 is inserted in prefabricated floor slab 30, and connecting body 11 and first stirrup 21 have spacing, support body 12 is arranged on the top surface of composite beam 20, and support leg 122 is located below keel reinforcement 40, and makes keel reinforcement 40 be located in avoiding cutout 124.

[0036] As the above structure, the keel steel bar 40 is located in the avoiding cutout 124 to avoid the keel steel bar 40 being arranged in the support body 12, so as to simplify the installation of the keel steel bar 40; the connecting body 11 and the first stirrup 21 have a spacing, and the support body 12 can be moved relative to the connecting body 11 to adjust the position, so as to avoid the interference between the connecting support unit and the first stirrup 21, ensure that the prefabricated floor 30 can be accurately placed in the set position, and do not need to design the position of the prefabricated floor 30 again, thereby shortening the construction period.

[0037] The slab-beam connecting prefabricated combined structure further comprises a third stirrup 50, two ends of the third stirrup 50 are bent to form second hook angles 51, and the keel steel bar 40 is located on the inner side of the second hook angles 51, so as to improve the structural strength.

[0038] The prefabricated floor 30 is embedded with two layers of steel mesh frames 32, and the connecting body 11 is located between the two layers of steel mesh frames 32, so as to improve the structural strength of the prefabricated floor 30 and the bonding strength between the connecting body 11 and the prefabricated floor 30.

[0039] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A connection support unit characterized by comprising: The utility model relates to a connecting support unit, comprising: a connecting body comprising a first top plate arranged transversely; a supporting body comprising a second top plate arranged transversely and a supporting leg arranged at the bottom of both sides of the first top plate, wherein a limiting groove is arranged between the top side of the supporting leg and the second top plate, and an avoiding cutout is arranged on the other side of the top of the supporting leg, the limiting groove is sleeved on the first top plate and can slide along the first top plate; a locking structure arranged between the first top plate and the second top plate.

2. The connecting support unit according to claim 1, characterized in that The locking structure comprises a first through hole, a second through hole and a bolt, the first through hole is arranged on the first top plate, the second through hole is arranged on the second top plate, the bolt is arranged through the first through hole and the second through hole, and a nut is sleeved on the bolt.

3. A connecting support unit according to claim 2, characterized in that The second through hole is arranged as a strip-shaped hole; or the second through hole is arranged as a circular hole, and at least three second through holes are arranged on the second top plate.

4. A connecting support unit according to claim 1 or 2 or 3, characterized in that The connecting body further comprises: a first bottom plate arranged parallel below the first top plate; a first supporting plate connected with the first bottom plate and the first top plate respectively.

5. A connecting support unit according to claim 1 or 2 or 3, characterized in that The supporting leg comprises: a second bottom plate comprising a transverse section and a vertical section integrally connected; a second supporting plate connected with the top surface of the transverse section and the side surface of the vertical section respectively, wherein the second supporting plate is provided with a limiting gap on one side of the top thereof, and the inner wall of the limiting gap and the bottom surface of the second top plate form the limiting groove.

6. A precast composite structure of plate girder connection characterized by The utility model further relates to a composite beam, a prefabricated floor slab and a keel reinforcement. The first stirrup is embedded in the composite beam, and the two ends of the first stirrup are arranged to protrude from the top surface of the composite beam and are bent inward to form first hook angles. The second stirrup is embedded in the prefabricated floor slab, and the part of the second stirrup protruding from the prefabricated floor slab is arranged in a U shape. The keel reinforcement is arranged on the inner side of the first hook angle and is connected with the second stirrup by binding. The connecting body is arranged in the prefabricated floor slab, the supporting body is arranged on the top surface of the composite beam, and the supporting leg is arranged below the keel reinforcement.

7. The precast composite structure of the slab-girder connection according to claim 6, wherein The utility model further relates to a third stirrup, wherein the two ends of the third stirrup are bent toward each other to form second hook angles, and the keel reinforcement is arranged on the inner side of the second hook angles.

8. The slab-beam connected precast composite structure according to claim 6, wherein The prefabricated floor slab is embedded with two layers of steel mesh frames, and the connecting body is arranged between the two layers of steel mesh frames.

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