High-strength precast concrete bridge structure

Abstract

The utility model belongs to the technical field of bridge engineering, and particularly relates to a high-strength prefabricated concrete bridge structure which comprises a bridge component, a main beam and a bridge deck structure arranged at the top of the main beam. The reinforcing assembly comprises reinforcing steel bars arranged on the two sides of the bridge deck structure, binding steel bars arranged on the surfaces of the reinforcing steel bars, outer side reinforcing ribs arranged at the bottom of the bridge deck structure, inner reinforcing ribs arranged on the inner sides of the main beams and reinforcing bolts arranged on the outer sides of the main beams. A connecting assembly, comprising a mounting groove formed in the bottom of a bridge floor structure, a fixed plate arranged in the mounting groove, a movable groove formed in one side of the fixed plate, an insertion block arranged on one side of the movable groove, a movable block arranged in the movable groove, a fixed pin arranged in the mounting groove, a movable rod arranged on the fixed pin and a reset piece arranged on the movable rod. The connecting structure is reasonable in structure, high in structural strength, long in service life and convenient to install, connect and construct in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge engineering, in particular to a high-strength prefabricated concrete bridge structure. Background Art

[0002] Prefabricated ultra-high performance concrete bridge structure is an innovative design applied to the field of bridge construction in recent years. It involves a variety of technologies and concepts. It has extremely high compressive, bending and tensile strength, and can withstand large loads with a smaller cross-sectional size. Ultra-high performance concrete also has excellent durability and can resist corrosion, penetration, freeze-thaw and other erosion factors. By using ultra-high performance concrete, the bridge structure can be lightweight and the maintenance cost can be reduced.

[0003] The existing concrete π-shaped bridge structure has some shortcomings during use, such as weak structural strength and inconvenient installation and connection. For this reason, we propose a new prefabricated ultra-high performance concrete π-shaped bridge structure. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the prior art, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a high-strength precast concrete bridge structure, which has high structural strength and long service life during use, and is convenient for installation and connection and construction.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A high-strength precast concrete bridge structure, comprising:

[0009] A bridge component, including a main beam and a bridge deck structure disposed on top of the main beam;

[0010] The reinforcement assembly includes reinforcement steel bars arranged on both sides of the bridge deck structure, tie steel bars arranged on the surface of the reinforcement steel bars, outer reinforcement ribs arranged at the bottom of the bridge deck structure, inner reinforcement ribs arranged on the inner side of the main beam, and reinforcement bolts arranged on the outer side of the main beam;

[0011] The connecting component includes a mounting groove arranged at the bottom of the bridge deck structure, a fixed plate arranged inside the mounting groove, a movable groove arranged on one side of the fixed plate, an insert block arranged on one side of the movable groove, a movable block arranged inside the movable groove, a fixed pin arranged inside the mounting groove, a movable rod arranged on the fixed pin, and a reset member arranged on the movable rod, wherein one end of the movable rod is connected to the movable block, and one end of the reset member is connected to the fixed plate.

[0012] As a preferred solution of the high-strength precast concrete bridge structure described in the utility model, one end of the bridge deck structure and the main beam is provided with connecting steel bars, and the other end of the bridge deck structure and the main beam is provided with connecting notches.

[0013] As a preferred solution of the high-strength precast concrete bridge structure described in the utility model, a mounting base is provided at the bottom of the main beam, and a fixed steel bar is provided at the bottom of the mounting base.

[0014] As a preferred solution of the high-strength precast concrete bridge structure described in the utility model, the insert blocks are arranged in a triangular shape.

[0015] As a preferred solution of the high-strength precast concrete bridge structure described in the utility model, the movable groove and the movable block are both arranged in a semicircular shape.

[0016] As a preferred solution of the high-strength precast concrete bridge structure described in the utility model, a pin hole matching with a fixing pin is arranged in the middle of the movable rod.

[0017] As a preferred solution of the high-strength precast concrete bridge structure described in the utility model, the reset member is a reset spring.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. By arranging reinforcing steel bars on both sides of the bridge deck structure and arranging tying steel bars on the surface of the reinforcing steel bars, the structural strength of the device can be improved; by arranging internal reinforcing ribs on the inner side of the main beam and external reinforcing ribs on the outer side of the main beam, the structural strength of the main body can be further improved;

[0020] 2. In addition, during the splicing of bridge components, the plug blocks move in opposite directions, and the plug blocks drive the movable blocks to rotate slightly inside the movable grooves. With the cooperation of the movable rods and the reset parts, the blocks are reset to their original positions, thereby achieving quick connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the connection component of the utility model.

[0025] In the figure; 100 bridge component, 110 main beam, 120 bridge deck structure, 130 installation base, 140 fixed steel bars, 150 connecting steel bars, 160 connecting notches, 200 reinforcement assembly, 210 reinforcement steel bars, 220 tying steel bars, 230 outer reinforcing ribs, 240 inner reinforcing ribs, 250 reinforcement bolts, 300 connection assembly, 310 installation groove, 320 fixed plate, 330 movable groove, 340 plug block, 350 movable block, 360 fixing pin, 370 movable rod, 380 reset member. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0028] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0029] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0030] The utility model provides the following technical solutions: a high-strength prefabricated concrete bridge structure, which has high structural strength and long service life during use, and is convenient for installation and connection and construction;

[0031] Figures 1 to 3 The figure shows a schematic structural diagram of an embodiment of a high-strength precast concrete bridge structure of the utility model, the main part of which includes a bridge component 100, a reinforcement assembly 200 and a connection assembly 300;

[0032] The bridge component 100 includes a main beam 110 and a bridge deck structure 120 installed on the top of the main beam 110, one end of the bridge deck structure 120 and the main beam 110 is installed with a connecting steel bar 150, the other end of the bridge deck structure 120 and the main beam 110 is installed with a connecting notch 160, the bottom of the main beam 110 is installed with a mounting base 130, and the bottom of the mounting base 130 is installed with a fixing steel bar 140, further, the connecting steel bar 150 and the connecting notch 160 are used to connect the bridge components 100 to each other, and the mounting base 130 and the fixing steel bar 140 are used to connect with the bridge base;

[0033] The reinforcement assembly 200 includes reinforcement steel bars 210 installed on both sides of the bridge deck structure 120, tie steel bars 220 installed on the surface of the reinforcement steel bars 210, outer reinforcement ribs 230 installed on the bottom of the bridge deck structure 120, inner reinforcement ribs 240 installed on the inner side of the main beam 110, and reinforcement bolts 250 installed on the outer side of the main beam 110. Further, the reinforcement steel bars 210, tie steel bars 220, outer reinforcement ribs 230, inner reinforcement ribs 240, and reinforcement bolts 250 are used to improve the structural strength;

[0034] The connecting assembly 300 includes a mounting groove 310 mounted at the bottom of the bridge deck structure 120, a fixing plate 320 mounted inside the mounting groove 310, a movable groove 330 mounted on one side of the fixing plate 320, an insert block 340 mounted on one side of the movable groove 330, a movable block 350 mounted inside the movable groove 330, a fixing pin 360 mounted inside the mounting groove 310, a movable rod 370 mounted on the fixing pin 360, and a reset member 380 mounted on the movable rod 370, one end of the movable rod 370 is connected to the movable block 350, one end of the reset member 380 is connected to the fixing plate 320, and the insert block 340 is installed on one side of the movable groove 330. 40 is arranged in a triangular shape, the movable groove 330 and the movable block 350 are arranged in a semicircular shape, a pin hole matching with the fixed pin 360 is provided in the middle of the movable rod 370, and the reset member 380 uses a reset spring. Furthermore, the mounting groove 310 is used to support the fixed plate 320, the fixed plate 320 is used to support the movable groove 330, the movable groove 330 is used to support the movable block 350, the insert block 340 is used to squeeze the movable block 350 during the movement, the movable block 350 is used for limiting, the fixed pin 360 is used to support the movable rod 370, the movable rod 370 and the reset member 380 are used to assist the movable block 350 in resetting.

[0035] Combination Figure 1-Figure 3 The present embodiment is a high-strength precast concrete bridge structure, and its working principle is as follows: by arranging reinforcing steel bars 210 on both sides of the bridge deck structure 120 and arranging tying steel bars 220 on the surface of the reinforcing steel bars 210, the structural strength of the device can be improved; by arranging internal reinforcing ribs 240 on the inner side of the main beam 110 and external reinforcing ribs on the outer side of the main beam 110, the structural strength of the main body can be further improved; in addition, during the splicing process of the bridge component 100, the plug block 340 moves in opposite directions, and the plug block 340 drives the movable block 350 to rotate slightly inside the movable groove 330. With the cooperation of the movable rod 370 and the reset member 380, a quick connection can be achieved until it is reset to the original state.

[0036] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A high-strength precast concrete bridge structure, characterized in that: include: A bridge component (100) comprises a main beam (110) and a bridge deck structure (120) arranged on top of the main beam (110); A reinforcement assembly (200) comprising reinforcement steel bars (210) arranged on both sides of a bridge deck structure (120), tie steel bars (220) arranged on the surface of the reinforcement steel bars (210), outer reinforcement ribs (230) arranged at the bottom of the bridge deck structure (120), inner reinforcement ribs (240) arranged on the inner side of a main beam (110), and reinforcement bolts (250) arranged on the outer side of the main beam (110); A connection assembly (300) comprises a mounting groove (310) arranged at the bottom of a bridge deck structure (120), a fixed plate (320) arranged inside the mounting groove (310), a movable groove (330) arranged on one side of the fixed plate (320), an insert block (340) arranged on one side of the movable groove (330), a movable block (350) arranged inside the movable groove (330), a fixed pin (360) arranged inside the mounting groove (310), a movable rod (370) arranged on the fixed pin (360), and a reset member (380) arranged on the movable rod (370), wherein one end of the movable rod (370) is connected to the movable block (350), and one end of the reset member (380) is connected to the mounting plate (320).

2. A high-strength precast concrete bridge structure according to claim 1, characterized in that: One end of the bridge deck structure (120) and the main beam (110) is provided with a connecting steel bar (150), and the other end of the bridge deck structure (120) and the main beam (110) is provided with a connecting notch (160).

3. The high-strength precast concrete bridge structure according to claim 1, characterized in that: A mounting base (130) is provided at the bottom of the main beam (110), and a fixing steel bar (140) is provided at the bottom of the mounting base (130).

4. The high-strength precast concrete bridge structure according to claim 1, characterized in that: The insert block (340) is arranged in a triangular shape.

5. The high-strength precast concrete bridge structure according to claim 1, characterized in that: The movable groove (330) and the movable block (350) are both arranged in a semicircular shape.

6. The high-strength precast concrete bridge structure according to claim 1, characterized in that: A pin hole matching with the fixing pin (360) is arranged in the middle of the movable rod (370).

7. The high-strength precast concrete bridge structure according to claim 1, characterized in that: The reset member (380) is a reset spring.

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