Continuous connection structure of precast beam bridge floor

Abstract

The utility model discloses a precast beam bridge floor continuous connecting structure which comprises a connecting piece installed between a left precast beam plate and a right precast beam plate, the connecting piece comprises a connecting plate, an abutting plate, a middle plate, a fixing inserting rod, a round hole and a spring, the connecting plate covers the position between the top face of the left precast beam plate and the top face of the right precast beam plate, and the abutting plate is arranged between the left precast beam plate and the right precast beam plate. The number of the abutting plates is two, and the abutting plates are relatively and movably connected to the bottom face of the connecting plate. The connecting piece can be stably mounted between the left precast beam plate and the right precast beam plate through the mounting assembly, then buffer connection between the left precast beam plate and the right precast beam plate can be completed by means of the abutting plate, the middle plate, the fixing insertion rod, the round hole and other assemblies, and if the left precast beam plate and the right precast beam plate deform, the left precast beam plate and the right precast beam plate can be fixed. The connecting piece can be subjected to self-adaptive displacement adjustment, the flatness of the bridge floor is guaranteed, the connecting piece can be fixedly mounted through the mounting assembly very conveniently, and convenience is brought to mounting personnel.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge deck connection structures, and in particular relates to a prefabricated beam bridge deck continuous connection structure. Background Art

[0002] In existing bridges, there is a gap between two adjacent bridge decks, and continuity is generally achieved by installing expansion joints. However, the expansion joint connection is inconvenient to install, and it is easy to generate noise and bumps during vehicle driving, and it is easy to be damaged. After searching, a Chinese patent application with application number CN202223086294.3 records a bridge deck continuous structure. In this patent, by setting a connecting piece between the left and right prefabricated beams, the flatness of the bridge deck can be improved and it is not easy to deform.

[0003] However, the cited patent still has certain shortcomings in actual use. The cross plate and the connecting plate on the connecting piece are only fixedly connected to the prefabricated beam plate on one side, and are only fitted with the prefabricated beam plate on the other side by friction. The connection stability is poor, misalignment is prone to occur, and the installation of the connecting piece is not convenient. Therefore, it is necessary to design a new connection structure to solve this problem. Utility Model Content

[0004] The utility model aims to provide a precast beam bridge deck continuous connection structure to solve the problems of unstable connection between the connector and the precast beam slab and inconvenient installation of the connector proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated beam bridge deck continuous connection structure, comprising a connecting piece installed between a left prefabricated beam plate and a right prefabricated beam plate, the connecting piece comprising a connecting plate, a contact plate, a middle plate, a fixed plug rod, a round hole and a spring, the connecting plate covers between the top surfaces of the left prefabricated beam plate and the right prefabricated beam plate, the contact plates are two in number and are relatively movably connected to the bottom surface of the connecting plate, the two contact plates are respectively against the ends of the left prefabricated beam plate and the right prefabricated beam plate, the middle plate is fixed At the bottom of the connecting plate and between the two abutment plates, the fixed plug rod is fixed on the surface of the abutment plate and slides through the circular hole opened on the surface of the middle plate. The spring is sleeved on the surface of the fixed plug rod and abuts against the abutment plate and the middle plate. An installation component is arranged between the connecting plate and the left precast beam plate and the right precast beam plate. The installation component includes a threaded pile, a through groove and a nut. The threaded pile is fixed on the top surface of the left precast beam plate and the right precast beam plate and passes through the through groove opened on the surface of the connecting plate. The nut is threadedly connected to the top of the threaded pile.

[0006] Preferably, the connecting piece further comprises an anti-slip sheet, which is fixed to the end of the fixed plug rod to form a T-shaped structure.

[0007] Preferably, the fixed insertion rods fixed on the abutment plates on both sides are staggered with each other, and the circular holes are opened on the surface of the middle plate at equal distances.

[0008] Preferably, the connecting member further comprises a rubber pad, which is fixed to one side of the abutment plate and fits with one side of the left precast beam plate and the right precast beam plate.

[0009] Preferably, the top surface of the connecting plate is provided with a guard assembly and a clamping assembly, the guard assembly includes a guard cover and a clamping groove, the guard cover covers the top surface of the connecting plate, the clamping groove is opened on the bottom surface of both ends of the guard cover, and the clamping assembly also includes a clamping plate, which is fixed on the surface of the connecting plate and matches the clamping groove.

[0010] Preferably, the clamping assembly further comprises clamping protrusions, which are fixed on both sides of the clamping sheet and match with the clamping grooves formed on the inner wall of the clamping groove.

[0011] Preferably, the top surfaces of the left precast beam, the right precast beam and the connecting piece are paved with an asphalt layer, and the top surfaces of the asphalt layer are flush.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By installing the components, the connecting parts can be stably installed between the left precast beam and the right precast beam. With the help of components such as the contact plate, the middle plate, the fixed plug rod and the round hole, the buffer connection between the left precast beam and the right precast beam can be completed. If the left precast beam and the right precast beam are deformed, the connecting parts can be adaptively adjusted in displacement to ensure the flatness of the bridge deck. The fixed installation of the connecting parts by installing the components is also very convenient, which brings convenience to the installers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0015] Figure 2 For this utility model Figure 1 A magnified schematic diagram of area A in the middle;

[0016] Figure 3 It is a top cross-sectional view of the contact plate and the middle plate of the utility model;

[0017] Figure 4 For this utility model Figure 1 A magnified schematic diagram of area B in the middle;

[0018] Figure 5 It is a bottom view of the guard assembly and the clamping assembly of the utility model;

[0019] In the figure: 100, left precast beam; 200, right precast beam; 300, connecting piece; 301, connecting plate; 302, contact plate; 303, middle plate; 304, fixing rod; 305, round hole; 306, spring; 307, anti-slip sheet; 308, rubber pad; 400, guard assembly; 401, guard cover; 402, snap-in groove; 500, installation assembly; 501, threaded pile; 502, through groove; 503, nut; 600, asphalt layer; 700, snap-in assembly; 701, snap-in sheet; 702, snap-in protrusion. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example

[0022] See also Figures 1 to 5, is an embodiment of the utility model, and this embodiment provides a technical solution: a precast beam bridge deck continuous connection structure, including a connecting piece 300 installed between a left precast beam plate 100 and a right precast beam plate 200, the connecting piece 300 includes a connecting plate 301, a contact plate 302, a middle plate 303, a fixed plug rod 304, a circular hole 305 and a spring 306, the connecting plate 301 covers between the top surfaces of the left precast beam plate 100 and the right precast beam plate 200, and covers and connects the gap between the two, there are two contact plates 302, and they are relatively movably connected to the bottom surface of the connecting plate 301, and the two contact plates 302 are respectively connected to the left precast beam plate 100 and the right precast beam plate 200. The ends of the plate 100 and the right precast beam plate 200 are against each other, the middle plate 303 is fixed to the bottom of the connecting plate 301 and is located between the two contact plates 302, the fixed plug rod 304 is fixed to the surface of the contact plate 302, and slides through the circular hole 305 opened on the surface of the middle plate 303. When the left precast beam plate 100 and the right precast beam plate 200 are deformed, the contact plate 302 will be pushed to move adaptively, allowing the fixed plug rod 304 to slide inside the circular hole 305. The spring 306 is sleeved on the surface of the fixed plug rod 304 and against the contact plate 302 and the middle plate 303. The spring 306 can push the contact plate 302 to the left precast beam plate 100 and the right precast beam plate 200. The connecting plate 301 is in extrusion contact with the left precast beam plate 100 and the right precast beam plate 200, and an installation component 500 is arranged between the connecting plate 301 and the left precast beam plate 100 and the right precast beam plate 200. The installation component 500 can complete the connection between the connecting plate 301 and the left precast beam plate 100 and the right precast beam plate 200. The installation component 500 includes a threaded pile 501, a through groove 502 and a nut 503. The threaded pile 501 is fixed on the top surface of the left precast beam plate 100 and the right precast beam plate 200, and penetrates the through groove 502 provided on the surface of the connecting plate 301. The nut 503 is threadedly connected to the top of the threaded pile 501. The nut 503 can prevent the threaded pile 501 and the through groove 502 from being The threaded pile 501 can slide adaptively inside the through groove 502 to adapt to the deformation of the left precast beam 100 and the right precast beam 200. The connector 300 also includes an anti-slip sheet 307, which is fixed to the end of the fixed plug rod 304 to form a T-shaped structure to prevent it from falling off. The fixed plug rods 304 fixed on the two side contact plates 302 are staggered with each other to avoid mutual interference between the fixed plug rods 304 on both sides. Circular holes 305 are equidistantly arranged on the surface of the middle plate 303. The top surfaces of the left precast beam 100, the right precast beam 200 and the connector 300 are paved with an asphalt layer 600, and the top surface of the asphalt layer 600 is flush.

[0023] In this embodiment, preferably, the connecting member 300 further includes a rubber pad 308, which is fixed to one side of the abutment plate 302 and fits with one side of the left precast beam 100 and the right precast beam 200 to play a role of buffering protection.

[0024] In this embodiment, preferably, a shielding assembly 400 and a snap-in assembly 700 are provided on the top surface of the connecting plate 301. The shielding assembly 400 includes a shielding cover 401 and a snap-in groove 402. The shielding cover 401 covers the top surface of the connecting plate 301 and can shield and protect the installation assembly 500. The snap-in groove 402 is provided on the bottom surfaces of both ends of the shielding cover 401. The snap-in assembly 700 also includes a snap-in piece 701. The snap-in piece 701 is fixed on the surface of the connecting plate 301 and matches the snap-in groove 402. The snap-in piece 701 and the snap-in groove 402 are snap-fitted to complete the positioning of the shielding cover 401.

[0025] In this embodiment, preferably, the snap-fit ​​assembly 700 also includes a snap-fit ​​protrusion 702, which is fixed on both sides of the snap-fit ​​sheet 701 and matches with a snap-fit ​​groove formed on the inner wall of the snap-fit ​​groove 402. The snap-fit ​​protrusion 702 and the snap-fit ​​groove are snap-fitted to fix the protective cover 401.

[0026] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precast beam bridge deck continuous connection structure, comprising a connection member (300) installed between a left precast beam plate (100) and a right precast beam plate (200), characterized in that: The connecting member (300) comprises a connecting plate (301), a contact plate (302), a middle plate (303), a fixed plug rod (304), a circular hole (305) and a spring (306); the connecting plate (301) covers between the top surfaces of the left precast beam plate (100) and the right precast beam plate (200); there are two contact plates (302) which are relatively movably connected to the bottom surface of the connecting plate (301); the two contact plates (302) respectively contact the ends of the left precast beam plate (100) and the right precast beam plate (200); the middle plate (303) is fixed to the bottom of the connecting plate (301) and is located between the two contact plates (302); the fixed plug rod (304) is fixed to the surface of the contact plate (302); The spring (306) is sleeved on the surface of the fixed plug rod (304) and abuts against the contact plate (302) and the middle plate (303). An installation component (500) is provided between the connecting plate (301) and the left precast beam plate (100) and the right precast beam plate (200). The installation component (500) includes a threaded pile (501), a through groove (502) and a nut (503). The threaded pile (501) is fixed on the top surface of the left precast beam plate (100) and the right precast beam plate (200) and penetrates the through groove (502) provided on the surface of the connecting plate (301). The nut (503) is threadedly connected to the top of the threaded pile (501).

2. The precast beam bridge deck continuous connection structure according to claim 1, characterized in that: The connecting piece (300) further comprises an anti-slip sheet (307), wherein the anti-slip sheet (307) is fixed to the end of the fixed plug rod (304) to form a T-shaped structure.

3. The precast beam bridge deck continuous connection structure according to claim 1, characterized in that: The fixed insertion rods (304) fixed on the abutment plates (302) on both sides are staggered with each other, and the circular holes (305) are arranged at equal distances on the surface of the middle plate (303).

4. The precast beam bridge deck continuous connection structure according to claim 1, characterized in that: The connecting member (300) further comprises a rubber pad (308), wherein the rubber pad (308) is fixed to one side of the abutment plate (302) and is in contact with one side of the left precast beam plate (100) and the right precast beam plate (200).

5. The precast beam bridge deck continuous connection structure according to claim 1, characterized in that: The top surface of the connecting plate (301) is provided with a shielding assembly (400) and a snap-in assembly (700); the shielding assembly (400) comprises a shielding cover (401) and a snap-in groove (402); the shielding cover (401) covers the top surface of the connecting plate (301); the snap-in groove (402) is provided on the bottom surfaces of both ends of the shielding cover (401); the snap-in assembly (700) further comprises a snap-in sheet (701); the snap-in sheet (701) is fixed on the surface of the connecting plate (301) and matches the snap-in groove (402).

6. The precast beam bridge deck continuous connection structure according to claim 5, characterized in that: The clamping assembly (700) further comprises clamping protrusions (702), which are fixed on both sides of the clamping sheet (701) and match with clamping grooves formed on the inner wall of the clamping groove (402).

7. The precast beam bridge deck continuous connection structure according to claim 1, characterized in that: The top surfaces of the left prefabricated beam plate (100), the right prefabricated beam plate (200) and the connecting piece (300) are paved with an asphalt layer (600), and the top surface of the asphalt layer (600) is flush.

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