Assembly type laminated slab and beam connecting structure

Abstract

The utility model relates to the technical field of assembly type buildings, and provides an assembly type laminated slab and beam connecting structure which comprises a laminated slab and a cast-in-place beam which are vertically connected. When the laminated slab is manufactured, the multiple reinforcing ribs are firstly assembled, the multiple steel bar trusses and the multiple stress ribs are assembled after assembly and installation are completed, then concrete is poured on the laminated slab, the reinforcing ribs are used for enhancing the strength and rigidity, and distortion and deformation caused by deformation of the laminated slab and uneven stress are prevented; meanwhile, the reinforcing ribs can enhance the anti-seismic performance and durability of the structure, the steel bar trusses are used for dispersing loads to other structural systems, so that the structure of the laminated slab is stabilized, meanwhile, shear of the laminated surface is increased, stress is balanced through the stress ribs, and therefore the purpose of increasing the rigidity of the laminated slab is achieved; and the problem that the structural stability and the construction safety are affected due to insufficient rigidity of the laminated slab is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated building, and particularly relates to a connecting structure between a prefabricated composite slab and a beam. Background Art

[0002] It is known that the Chinese publicly authorized patent: (Publication No.: CN201821805808.7) discloses a connecting structure between a prefabricated composite slab and a beam, which is characterized in that: it includes a post-cast layer, a post-cast layer steel bar frame, a bottom plate of the composite floor slab, a building beam-column, and a high-strength mortar sealing layer; the building beam-column is a reinforced concrete rectangular column structure; the bottom plate of the composite floor slab is a rectangular plate structure, and the bottom plate of the composite floor slab is fixedly installed on the building beam-column; the high-strength mortar sealing layer is to fill and seal high-strength mortar at the connection between the bottom plate of the composite floor slab and the building beam-column; the post-cast layer steel bar frame is a regular rectangular frame structure formed by bundling steel bars, and the post-cast layer steel bar frame is arranged on the bottom plate of the composite floor slab and the building beam-column; the post-cast layer is a reinforced concrete structure, and the post-cast layer is to pour fine aggregate concrete on the post-cast layer steel bar frame and level the upper surface of the post-cast layer.

[0003] However, in the implementation of the related technology, it is found that the above-mentioned connecting structure between a prefabricated composite slab and a beam has the following problems: the composite slab is relatively thin and lacks stiffness. However, this may lead to insufficient stiffness of the composite slab in large-span applications, resulting in a relatively large mid-span deflection when bearing construction loads, which may affect the structural stability and construction safety. Therefore, a connecting structure between a prefabricated composite slab and a beam. Summary of the Utility Model

[0004] The utility model provides a connecting structure between a prefabricated composite slab and a beam, which solves the problems in the related technology that the composite slab is relatively thin and lacks stiffness. However, this may lead to insufficient stiffness of the composite slab in large-span applications, resulting in a relatively large mid-span deflection when bearing construction loads, which may affect the structural stability and construction safety.

[0005] The technical solution of the utility model is as follows: a connecting structure between a prefabricated composite slab and a beam, including: a composite slab and a cast-in-place beam, the composite slab and the cast-in-place beam are vertically connected, the cast-in-place beam and the composite slab are integrally formed, reinforcing ribs are arranged on the composite slab, a steel bar truss is arranged on the reinforcing ribs, and stress bars are arranged on the steel bar truss;

[0006] A splicing mechanism is arranged on the outer side of the composite slab.

[0007] Preferably, the splicing mechanism includes two first splicing plates arranged on both sides of the composite slab, slots are formed on one side of the two first splicing plates, second splicing plates are arranged on the front side and the rear side of the composite slab, a plug plate is fixedly installed on one side of the second splicing plate, and the plug plate is inserted into the slot.

[0008] Preferably, a chute is formed at the top of the second splicing plate, and a slider is slidably connected inside the chute.

[0009] Preferably, the top of the slider is snap-connected with a mounting plate through a formed clamping groove, and two through holes are formed at the top of the mounting plate.

[0010] Preferably, sliding rods are slidably connected inside both of the two through holes, and a paving plate is fixedly connected to the bottom ends of the sliding rods.

[0011] Preferably, a spring is sleeved on the outer side wall of the sliding rod, the top end of the spring is connected to the mounting plate, and the bottom end of the spring is connected to the paving plate.

[0012] Preferably, a pulling plate is fixedly connected to the top end of the sliding rod, a pressing plate is hinged to the bottom of the pulling plate, a groove is formed at the top of the mounting plate, and the bottom end of the pressing plate abuts against the groove.

[0013] Preferably, L-shaped pull rods are fixedly installed on both sides of the top of the mounting plate, and anti-slip sleeves are sleeved on the outer side walls of the L-shaped pull rods.

[0014] The working principle and beneficial effects of the present utility model are as follows:

[0015] When manufacturing the laminated slab, first assemble multiple reinforcing ribs. After the assembly and installation are completed, then assemble multiple steel bar trusses and multiple stress bars, and then pour concrete into it. The reinforcing ribs are used to enhance the strength and stiffness, and prevent the laminated slab from deforming and causing skew deformation due to uneven stress. At the same time, the reinforcing ribs can enhance the seismic performance and durability of the structure. The steel bar trusses are used to disperse the load to other structural systems, so as to stabilize the structure of the laminated slab and increase the shear force on the laminated surface. The stress bars are used to balance the stress, thereby achieving the purpose of increasing the stiffness of the laminated slab, and effectively preventing the problems of affecting the structural stability and construction safety due to insufficient stiffness of the laminated slab. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following further describes the present utility model in detail with reference to the drawings and specific embodiments.

[0017] Figure 1 is a sectional perspective structural schematic diagram of the first splicing plate of the present utility model;

[0018] Figure 2 is an overall perspective structural schematic diagram of the present utility model;

[0019] Figure 3 is a sectional perspective structural schematic diagram of the first splicing plate and the second splicing plate of the present utility model.

[0020] In the figure: 1. Composite slab; 2. Cast-in-place beam; 3. Reinforcing rib; 4. Steel bar truss; 5. Stress-bearing steel bar; 6. Splicing mechanism; 7. Slide groove; 8. Slide block; 9. Installation plate; 10. Through hole; 11. Slide bar; 12. Flat-laying plate; 13. Spring; 14. Pulling plate; 15. Bracing plate; 16. Groove; 17. L-shaped pull rod; 18. Anti-slip sleeve; 60. First splicing plate; 61. Second splicing plate; 62. Slot; 63. Plug plate. Detailed implementation manners

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present utility model.

[0022] Embodiment 1

[0023] Please refer to Figure 1 - Figure 3 , a connecting structure between a prefabricated composite slab and a beam, comprising: a composite slab 1 and a cast-in-place beam 2, the composite slab 1 and the cast-in-place beam 2 are vertically connected, the cast-in-place beam 2 and the composite slab 1 are integrally formed, reinforcing ribs 3 are arranged on the composite slab 1, steel bar trusses 4 are arranged on the reinforcing ribs 3, and stress-bearing steel bars 5 are arranged on the steel bar trusses 4.

[0024] In the one provided by the present utility model, when manufacturing the composite slab 1, first, a plurality of reinforcing ribs 3 are assembled. After the assembly and installation are completed, a plurality of steel bar trusses 4 and a plurality of stress-bearing steel bars 5 are assembled. Then, concrete is poured. The reinforcing ribs 3 are used to enhance the strength and stiffness and prevent the composite slab 1 from deforming and causing skew deformation due to uneven stress. At the same time, the reinforcing ribs 3 can enhance the seismic performance and durability of the structure. The steel bar trusses 4 are used to disperse the load to other structural systems, so as to stabilize the structure of the composite slab 1 and increase the shear force on the composite surface. The stress-bearing steel bars 5 are used to balance the stress, thereby achieving the purpose of increasing the stiffness of the composite slab 1 and effectively preventing the problems of affecting the structural stability and construction safety due to insufficient stiffness of the composite slab 1.

[0025] Embodiment 2

[0026] Based on Embodiment 1, in this embodiment, it includes: a splicing mechanism 6 is arranged on the outer side of the composite slab 1. The splicing mechanism 6 includes two first splicing plates 60 arranged on both sides of the composite slab 1. Slots 62 are formed on one side of the two first splicing plates 60. Second splicing plates 61 are arranged on the front side and the rear side of the composite slab 1. A plug plate 63 is fixedly installed on one side of the second splicing plate 61. The plug plate 63 is inserted into the slot 62.

[0027] The technical solution provided by this embodiment is: by inserting the inserting plate 63 into the interior of the slot 62, the first splicing plate 60 and the second splicing plate 61 form a shell, which is convenient for pouring concrete to manufacture the composite plate 1.

[0028] Furthermore, a slide groove 7 is provided at the top of the second splicing plate 61, and a slider 8 is slidably connected inside the slide groove 7. The top of the slider 8 is clamped with a mounting plate 9 through the provided slot. Two through holes 10 are provided at the top of the mounting plate 9, and a slide rod 11 is slidably connected inside the two through holes 10. The bottom end of the slide rod 11 is fixedly connected to a flat plate 12, and a spring 13 is provided on the outer wall of the slide rod 11. The top of the spring 13 is connected to the mounting plate 9, and the bottom end of the spring 13 is connected to the flat plate 12. The top of the slide rod 11 is fixedly connected to a pull plate 14, and the bottom of the pull plate 14 is hinged with a push plate 15. A groove 16 is provided at the top of the mounting plate 9, and the bottom end of the push plate 15 conflicts with the groove 16. L-shaped pull rods 17 are fixedly installed on both sides of the top of the mounting plate 9, and the outer wall of the L-shaped pull rod 17 is provided with an anti-slip sleeve 18.

[0029] Specifically, by pulling the pull plate 14 upward, the abutment plate 15 is disengaged from the groove 16, and the elastic performance of the spring 13 is used to make the paving plate 12 contact the top of the concrete. At this time, by pulling the L-shaped pull rod 17 to one side, the slider 8 slides inside the slide groove 7, and the paving plate 12 flattens the concrete. The anti-slip sleeve 18 on the L-shaped pull rod 17 is used to prevent slipping, thereby achieving the purpose of flattening the concrete and effectively improving the flatness of the composite plate 1.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A connecting structure between a prefabricated composite slab and a beam, characterized in that Including: A composite slab (1) and a cast-in-place beam (2), the composite slab (1) and the cast-in-place beam (2) are vertically connected, the cast-in-place beam (2) and the composite slab (1) are integrally formed, reinforcing ribs (3) are arranged on the composite slab (1), a steel bar truss (4) is arranged on the reinforcing ribs (3), and stress bars (5) are arranged on the steel bar truss (4); A splicing mechanism (6) is arranged on the outer side of the composite slab (1).

2. The connection structure between the prefabricated composite slab and the beam according to claim 1, characterized in that: The splicing mechanism (6) includes two first splicing plates (60) arranged on both sides of the composite slab (1), slots (62) are formed on one side of the two first splicing plates (60), second splicing plates (61) are arranged on the front side and the rear side of the composite slab (1), a plug board (63) is fixedly installed on one side of the second splicing plate (61), and the plug board (63) is inserted into the slot (62).

3. The connection structure between the prefabricated composite slab and the beam according to claim 2, characterized in that: A chute (7) is formed at the top of the second splicing plate (61), and a slider (8) is slidably connected inside the chute (7).

4. The connecting structure between the prefabricated composite slab and the beam according to claim 3, wherein: The top of the slider (8) is clamped with a mounting plate (9) through a formed clamping groove, and two through holes (10) are formed at the top of the mounting plate (9).

5. A connection structure between a prefabricated composite slab and a beam according to claim 4, characterized in that: Slide rods (11) are slidably connected inside the two through holes (10), and the bottom ends of the slide rods (11) are fixedly connected with a paving plate (12).

6. The connecting structure between the prefabricated composite slab and the beam according to claim 5, characterized in that: A spring (13) is sleeved on the outer side wall of the slide rod (11), the top end of the spring (13) is connected to the mounting plate (9), and the bottom end of the spring (13) is connected to the paving plate (12).

7. The connecting structure between the prefabricated composite slab and the beam according to claim 6, characterized in that: The top end of the slide rod (11) is fixedly connected with a pulling plate (14), the bottom of the pulling plate (14) is hinged with a resisting plate (15), a groove (16) is formed at the top of the mounting plate (9), and the bottom end of the resisting plate (15) abuts against the groove (16).

8. The assembled composite slab and beam connection structure according to claim 7, characterized in that: L-shaped pull rods (17) are fixedly installed on both sides of the top of the mounting plate (9), and anti-slip sleeves (18) are sleeved on the outer side walls of the L-shaped pull rods (17).

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