Fabricated plate girder connecting structure

By combining the screw connecting plate and the I-beam structure, the installation difficulties and safety hazards caused by errors in the connection of prefabricated plate beams are solved, achieving a high-efficiency and safe connection effect.

CN223723911UActive Publication Date: 2025-12-26CHINA CONSTRUCTION SIXTH ENGINEERING DIVISION CO LTD +1
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Patent Information

Application Number
CN202423112207.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-26
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing prefabricated slab beams are difficult to connect due to manufacturing and construction errors, which may change the stress characteristics of the structure and pose safety hazards.

Method used

The system employs a combined structure consisting of a screw connecting plate, an I-beam, anti-loosening double nuts, a precast slab, sealant, and a surface layer. By connecting the screws and anti-loosening double nuts, and utilizing the corresponding arrangement of the elongated holes in the I-beam and the elongated holes in the precast slab, the system eliminates the influence of errors and improves installation tolerance.

Benefits of technology

It improves the ease of installation of prefabricated slab-beam connections, reduces the risk of rework due to errors, and enhances structural safety and construction efficiency.

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Abstract

The utility model relates to an assembly type plate beam connecting structure, which comprises a screw connecting plate, an I-shaped steel beam, an anti-loosening double nut, a prefabricated plate, a joint sealing material and a surface layer, the I-shaped steel beam comprises an upper support plate, a lower support plate and a beam plate, the top of the beam plate is fixedly arranged on the bottom surface of the upper support plate, the bottom of the beam plate is fixedly arranged on the top surface of the lower support plate, and the anti-loosening double nut is arranged on the surface layer. One side of one prefabricated slab abuts against one side of the other prefabricated slab; the connecting structure is convenient to mount, longitudinal and transverse fault tolerance of mounting of the connecting structure is improved through the oblong holes of the I-shaped steel beams and the strip holes of the prefabricated plates, influences on longitudinal and transverse mounting of the connecting structure caused by manufacturing errors, construction errors and the like can be eliminated or reduced, unnecessary rework is avoided, the construction efficiency is improved, and the construction cost is reduced. And potential safety hazards caused by forced connection due to longitudinal and transverse errors are reduced, and the safety of the assembly type plate girder structure is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building template support especially relates to a fabricated slab beam connecting structure. BACKGROUND

[0002] Fabricated slab beam is with prefabricated component as main force component, and is formed through the assembly of connecting structure. Fabricated slab beam becomes one of important directions of the development of building structure of our country with the characteristics of good quality of prefabricated component, convenient construction, time saving and so on, and has important significance for the development of building industry of our country.

[0003] In the prior art, fabricated slab beam is transported to the construction site for installation after prefabrication in the factory. Because of the connecting structure, when the prefabricated slab is connected with the structural beam, it is inevitable to cause connection difficulty due to manufacturing error and construction error. If forced connection is carried out, the original stress characteristics of the structural slab and beam will be changed, and safety hazards will be caused. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the insufficient prior art and provides a fabricated slab beam connecting structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fabricated slab beam connecting structure, which comprises a screw rod connecting plate, an I-beam, a locking double nut, a prefabricated slab, a joint filler and a surface layer, the I-beam comprises an upper support plate, a lower support plate and a beam plate, the beam plate top is fixedly installed to the bottom surface of the upper support plate, the beam plate bottom is fixedly installed to the top surface of the lower support plate, one side of one prefabricated slab abuts to one side of another prefabricated slab, the top surface of the upper support plate abuts to the bottom of the joint of two prefabricated slabs, the screw rod connecting plate is clamped to two prefabricated slabs and the upper support plate, the locking double nut is threadedly connected to the screw rod connecting plate, the joint filler is filled in the joint of two prefabricated slabs, and the surface layer is laid on the top surface of the prefabricated slab and the screw rod connecting plate.

[0006] In particular, the screw rod connecting plate comprises a steel plate and a screw rod, a plurality of screw rods are fixedly installed on the bottom surface of the steel plate on both sides respectively, and the screw rods on both sides are symmetrically arranged.

[0007] In particular, a plurality of long round holes are uniformly arranged on both sides of the upper support plate along the longitudinal direction respectively, and the long round holes on both sides are symmetrically arranged.

[0008] In particular, a plurality of grooves are uniformly arranged on both sides of the top surface of each prefabricated slab respectively, and the grooves on both sides are symmetrically arranged, and a plurality of long strip holes are arranged in each groove.

[0009] In particular, the steel plate is arranged in the groove, the screw rod is screwed with the locking double nut after penetrating through the long strip hole and the long round hole, and the long strip hole and the long round hole are arranged vertically.

[0010] The utility model discloses the beneficial effect is: the utility model installs conveniently, and the long round hole of I -beam and the strip hole of prefabricated slab improve the longitudinal, transverse fault tolerance of connecting structure installation, can eliminate or reduce the influence of the longitudinal, transverse installation of connecting structure caused by manufacturing error, construction error etc., avoid unnecessary rework, improve construction efficiency, reduce the security risk caused by the forced connection after the existence of longitudinal, transverse error, improve the safety of fabricated slab beam structure. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the explosion schematic diagram of the utility model;

[0012] Figure 2 It is the structure schematic diagram of the utility model;

[0013] Figure 3 It is the front view schematic diagram of the utility model;

[0014] Figure 4 It is the structure schematic diagram of screw connecting plate of the utility model;

[0015] Figure 5 It is the structure schematic diagram of I -beam of the utility model;

[0016] Figure 6 It is the structure schematic diagram of prefabricated slab of the utility model.

[0017] In the drawing: 1-screw connecting plate;11-steel plate;12-screw;2-I -beam;21-upper support plate;211-long round hole;22-lower support plate;23-beam plate;3-anti-loose double nut;4-prefabricated slab;41-groove;411-strip hole;5-caulk;6-face layer.

[0018] The utility model will be described in detail below with reference to the embodiment of the utility model and the accompanying drawings. DETAILED DESCRIPTION

[0019] The utility model will be described in detail below with reference to the embodiment of the utility model and the accompanying drawings.

[0020] As Figures 1-6As shown, a prefabricated slab beam connecting structure, including screw connecting plate 1, I-beam 2, anti-loose double nut 3, prefabricated slab 4, joint filler 5 and surface layer 6, the I-beam 2 includes upper support plate 21, lower support plate 22 and beam plate 23, the beam plate 23 top is fixedly installed to the bottom surface of the upper support plate 21, the bottom of the beam plate 23 is fixedly installed to the top surface of the lower support plate 22, one side of the prefabricated slab 4 abuts to one side of another prefabricated slab 4, the top surface of the upper support plate 21 abuts to the bottom of the joint of the two prefabricated slabs 4, the screw connecting plate 1 is clamped to the two prefabricated slabs 4 and the upper support plate 21, the anti-loose double nut 3 is threadedly connected to the screw connecting plate 1, the joint filler 5 is filled in the joint of the two prefabricated slabs 4, and the surface layer 6 is laid on the top surface of the prefabricated slab 4 and the screw connecting plate 1.

[0021] In particular, the screw connecting plate 1 includes a steel plate 11 and a screw 12, the bottom surface of the steel plate 11 is fixedly installed with a plurality of screws 12 on both sides, and the two side screws 12 are symmetrically arranged.

[0022] In particular, the upper support plate 21 is uniformly provided with a plurality of long round holes 211 on both sides in the longitudinal direction, and the two side long round holes 211 are symmetrically arranged.

[0023] In particular, each prefabricated slab 4 is uniformly provided with a plurality of grooves 41 on both sides of the top surface, and the two side grooves 41 are symmetrically arranged, and a plurality of long strip holes 411 are arranged in each groove 41.

[0024] In particular, the steel plate 11 is arranged in the groove 41, and the screw 12 is screwed with the anti-loose double nut 3 after penetrating through the long strip hole 411 and the long round hole 211, and the long strip hole 411 and the long round hole 211 are arranged vertically.

[0025] When the novel is used: the staff will put the prefabricated slab 4 on the I-beam 2 according to the requirements, the long strip hole 411 on the prefabricated slab 4 corresponds to the long round hole 211 on the upper support plate 21 of the I-beam 2 one by one, then each screw 12 on the screw connecting plate 1 penetrates through a long strip hole 411 and a long round hole 211 corresponding to the long strip hole 411, then an anti-loose double nut 3 is threadedly connected to each screw 12, until the bottom surface of the steel plate 11 is tightly abutted to the groove 41, then the joint filler 5 is filled in the gap between the two prefabricated slabs 4, and finally the surface layer 6 is laid on the top surface of the prefabricated slab 4.

[0026] The above describes the present application in conjunction with the drawings, obviously, the specific implementation of the present application is not limited by the above method, as long as various improvements are made by using the method concept and technical solution of the present application, or directly applied to other occasions without improvement, which are within the protection scope of the present application.

Claims

1. A fabricated plate girder connection structure, characterized by, The utility model provides a kind of screw connecting plate (1), I-shaped beam (2), anti-loose double nut (3), prefabricated slab (4), joint filler (5) and surface layer (6), the I-shaped beam (2) includes upper support plate (21), lower support plate (22) and beam plate (23), the beam plate (23) top is fixedly installed to upper support plate (21) bottom surface, the beam plate (23) bottom is fixedly installed to lower support plate (22) top surface, one side of one prefabricated slab (4) abuts to one side of another prefabricated slab (4), the top surface of upper support plate (21) abuts to the bottom of the joint of two prefabricated slabs (4), the screw connecting plate (1) is clamped to two prefabricated slabs (4) and upper support plate (21), the anti-loose double nut (3) is threadedly connected to screw connecting plate (1), the joint filler (5) is filled to the joint of two prefabricated slabs (4), and the surface layer (6) is laid on the top surface of prefabricated slab (4) and screw connecting plate (1).

2. The fabricated slab-girder connection structure according to claim 1, wherein The screw connecting plate (1) includes steel plate (11) and screw (12), the bottom surface of steel plate (11) is fixedly installed with several screws (12) on both sides respectively, and the two side screws (12) are symmetrically arranged.

3. The fabricated slab-girder connection structure according to claim 2, wherein The upper support plate (21) is uniformly provided with several long circular holes (211) on both sides along the longitudinal direction respectively, and the two side long circular holes (211) are symmetrically arranged.

4. The fabricated slab-girder connection structure according to claim 3, wherein Each prefabricated slab (4) is uniformly provided with several grooves (41) on both sides of top surface respectively, and the two side grooves (41) are symmetrically arranged, and each groove (41) is provided with several long holes (411).

5. The fabricated slab-girder connection structure according to claim 4, wherein The steel plate (11) is placed in the groove (41), and the screw (12) is screwed with the anti-loose double nut (3) after passing through the long hole (411) and the long circular hole (211), and the long hole (411) and the long circular hole (211) are arranged vertically.