High-toughness low-noise bridge concrete expansion plate

Abstract

The utility model relates to the technical field of bridge expansion plates, and particularly discloses a high-toughness low-noise bridge concrete expansion plate which comprises beam bodies, an expansion plate layer, a pavement layer and filling blocks, the two ends of the expansion plate layer are arranged on the corresponding beam bodies respectively, the filling blocks are filled in the expansion plate layer, the filling blocks are made of noise-reducing elastic materials, on one hand, vehicle bumping can be restrained, and on the other hand, the pavement layer is arranged on the pavement layer; on the other hand, noise can be reduced; a paving layer is arranged at the upper end of the telescopic plate layer; the telescopic plate layer comprises a first telescopic plate and a second telescopic plate which are evenly arranged in a crossed mode, a plurality of telescopic grooves are evenly formed in the first telescopic plate, a plurality of notch grooves are symmetrically formed in the upper face and the lower face of the second telescopic plate, the notch grooves are evenly formed along the second telescopic plate, and a connecting plate is formed between every two notch grooves. The second telescopic plate is matched with the corresponding telescopic groove in the first telescopic plate through a connecting plate, a hole is formed in the connecting plate, the two ends of the hole extend into the wall of the telescopic groove, a rotating shaft is arranged in the hole, and the connecting plate is rotationally connected with the telescopic groove through the rotating shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge expansion plates, in particular to a high-toughness and low-noise bridge concrete expansion plate. Background Art

[0002] Bridge expansion joint: refers to the expansion joint usually set between the two beam ends, between the beam end and the abutment, or at the hinged position of the bridge to meet the requirements of bridge deck deformation. The bridge expansion device is an important component of the bridge. It is a general term for various expansion structures set between the two beam ends of the bridge beam body, at the connection between the beam end and the road surface at the abutment, or at the hinged position of the bridge, that is, at the expansion joint of the bridge, in order to allow vehicles to pass through the bridge smoothly and comfortably.

[0003] The expansion device of the bridge is required to be able to freely expand and contract in two directions parallel and perpendicular to the axis of the bridge, be firm and reliable, and run smoothly without sudden jumps or noise when vehicles pass over it; it must be able to prevent rainwater and garbage and soil from seeping in and blocking it; and it must be simple and convenient to install, inspect, maintain and remove dirt.

[0004] Most of the existing technologies use bridge steel expansion joint devices, which are noisy and easy to loosen and break, jump and cause high-speed car accidents.

[0005] Therefore, in order to solve the technical problems described above, there is an urgent need for a high-toughness and low-noise bridge concrete expansion plate. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the defects of the above-mentioned technology and provide a high-toughness and low-noise bridge concrete expansion plate.

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is a high-toughness and low-noise bridge concrete expansion plate, comprising:

[0008] A beam body, a telescopic plate layer, a paving layer and a filling block. The two ends of the telescopic plate layer are respectively placed on the corresponding beam body. The interior of the telescopic plate layer is filled with a filling block. The filling block is made of a noise-reducing elastic material, which can suppress vehicle jumping on the one hand and reduce noise on the other hand. A paving layer is provided on the upper end of the telescopic plate layer.

[0009] The telescopic plate layer includes a first telescopic plate and a second telescopic plate that are evenly and cross-arranged, the first telescopic plate is evenly provided with a plurality of telescopic grooves, the second telescopic plate is symmetrically provided with notch grooves on the upper and lower sides, the notch grooves are evenly provided with a plurality of notch grooves along the second telescopic plate, a connecting plate is formed between the two notch grooves, the second telescopic plate is matched with the corresponding telescopic grooves on the first telescopic plate through the connecting plate, a hole is provided on the connecting plate, both ends of the hole extend into the wall of the telescopic groove, a rotating shaft is provided in the hole, and the connecting plate and the telescopic groove are rotatably connected by the rotating shaft to form a retractable rectangular grille;

[0010] Filling blocks are filled between four adjacent first telescopic plates and second telescopic plates.

[0011] As an improvement, the first telescopic plate, the second telescopic plate and the connecting plate are made of ECC concrete, and BFRP reinforcing ribs are arranged inside the first telescopic plate, the second telescopic plate and the connecting plate.

[0012] The advantages of the utility model compared with the prior art are:

[0013] 1. The ultra-tough and low-noise bridge concrete expansion slab makes the bridge section connection seamless and will not cause vehicle jumping;

[0014] 2. The telescopic plate layer includes a first telescopic plate and a second telescopic plate that are evenly cross-arranged to form a telescopic rectangular grid, so that it can be freely telescopic in two directions parallel and perpendicular to the axis of the bridge. The second telescopic plate is matched with the corresponding telescopic groove on the first telescopic plate through the connecting plate, which is firm and reliable. When the vehicle passes by, it should be smooth and without sudden jump. The four adjacent first telescopic plates and the second telescopic plates are filled with filling blocks of noise-reducing elastic material to provide a quiet driving environment in the case of suppressing vehicle jumping;

[0015] 3. The first telescopic plate, the second telescopic plate and the connecting plate are made of ECC concrete. BFRP reinforcing ribs are arranged inside the first telescopic plate, the second telescopic plate and the connecting plate, so that the concrete telescopic plate has the characteristics of high durability, high strength and high toughness. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a three-dimensional structural schematic diagram of a high-toughness and low-noise bridge concrete expansion plate.

[0017] Figure 2 It is a top view of a telescopic plate layer of a high-toughness and low-noise bridge concrete telescopic plate of the utility model.

[0018] Figure 3 It is a structural schematic diagram of a first telescopic plate 401 and a second telescopic plate 402 of a high-toughness and low-noise bridge concrete telescopic plate of the utility model.

[0019] Figure 4 This is a disassembled structural diagram of a first telescopic plate 401 and a second telescopic plate 402 of a high-toughness and low-noise bridge concrete telescopic plate of the utility model.

[0020] Figure 5 It is a schematic diagram of the internal structure of a first telescopic plate 401 and a second telescopic plate 402 of a high-toughness and low-noise bridge concrete telescopic plate of the utility model.

[0021] Figure 6 yes Figure 4 A partial enlarged view of point A in the middle.

[0022] As shown in the figure:

[0023] 100, beam body, 200, pavement layer, 300, filling block, 401, first telescopic plate, 402, second telescopic plate, 403, telescopic groove, 404, notch groove, 405, connecting plate, 406, hole, 407, rotating shaft, 408, BFRP reinforcement rib. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Combined with Figure 1-6 , a high-toughness and low-noise bridge concrete expansion plate, comprising:

[0026] The beam body 100, the telescopic plate layer, the pavement layer 200 and the filling block 300, the two ends of the telescopic plate layer are respectively placed on the corresponding beam body 100, the interior of the telescopic plate layer is filled with the filling block 300, the filling block 300 is made of a noise-reducing elastic material, which can suppress vehicle jumping on the one hand and reduce noise on the other hand; the pavement layer 200 is provided on the upper end of the telescopic plate layer;

[0027] The telescopic plate layer includes a first telescopic plate 401 and a second telescopic plate 402 that are evenly and cross-arranged. A plurality of telescopic grooves 403 are evenly arranged on the first telescopic plate 401. Notch grooves 404 are symmetrically arranged on the upper and lower sides of the second telescopic plate 402. A plurality of notch grooves 404 are evenly arranged along the second telescopic plate 402. A connecting plate 405 is formed between the two notch grooves 404. The second telescopic plate 402 is matched with the corresponding telescopic grooves 403 on the first telescopic plate 401 through the connecting plate 405. The second telescopic plate 402 is firm and reliable. When a vehicle passes by, it should be smooth and without sudden jump. A hole 406 is provided on the connecting plate 405. Both ends of the hole 406 extend into the wall of the telescopic groove 403. A rotating shaft 407 is provided in the hole 406. The connecting plate 405 and the telescopic groove 403 are rotatably connected by the rotating shaft 407 to form a telescopic rectangular grid, so that it can be freely extended and retracted in two directions parallel and perpendicular to the axis of the bridge.

[0028] The space between the four adjacent first telescopic plates 401 and the second telescopic plates 402 is filled with filling blocks 300 to provide a quiet driving environment in terms of suppressing vehicle jumping.

[0029] The first telescopic plate 401 , the second telescopic plate 402 and the connecting plate 405 are made of ECC concrete, and BFRP reinforcing ribs 408 are disposed inside the first telescopic plate 401 , the second telescopic plate 402 and the connecting plate 405 .

[0030] During the specific implementation of the present invention, the prefabricated expansion board layer is laid on the beam body 100 on both sides of the expansion joint, and then the filling blocks 300 of the noise-reducing elastic material are filled between the four adjacent first expansion boards 401 and the second expansion boards 402, and then the paving layer 200 is laid on the first expansion boards 401, the second expansion boards 402 and the filling blocks 300.

[0031] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0032] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] In the description of the embodiments of the present invention, "multiple" means at least 2.

[0034] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A high-toughness and low-noise bridge concrete expansion board, characterized in that: include: A beam body (100), a telescopic plate layer, a paving layer (200) and a filling block (300), wherein two ends of the telescopic plate layer are respectively placed on the corresponding beam body (100), the interior of the telescopic plate layer is filled with a filling block (300), and the filling block (300) is made of a noise-reducing elastic material, which can suppress vehicle jumping on the one hand and reduce noise on the other hand; a paving layer (200) is provided on the upper end of the telescopic plate layer; The telescopic plate layer comprises a first telescopic plate (401) and a second telescopic plate (402) which are evenly and cross-arranged, the first telescopic plate (401) is evenly provided with a plurality of telescopic grooves (403), the second telescopic plate (402) is symmetrically provided with notch grooves (404) on the upper and lower sides, a plurality of notch grooves (404) are evenly provided along the second telescopic plate (402), a connecting plate (405) is formed between two notch grooves (404), the second telescopic plate (402) cooperates with the corresponding telescopic grooves (403) on the first telescopic plate (401) through the connecting plate (405), a hole (406) is provided on the connecting plate (405), both ends of the hole (406) extend into the wall of the telescopic groove (403), a rotating shaft (407) is provided in the hole (406), and the connecting plate (405) and the telescopic groove (403) are rotatably connected via the rotating shaft (407); Filling blocks (300) are filled between four adjacent first telescopic plates (401) and second telescopic plates (402).

2. The high-toughness and low-noise bridge concrete expansion slab according to claim 1 is characterized by: The first telescopic plate (401), the second telescopic plate (402) and the connecting plate (405) are made of ECC concrete, and the first telescopic plate (401), the second telescopic plate (402) and the connecting plate (405) are all provided with BFRP reinforcing ribs (408).

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