Device for preventing bridge deck from toppling

Abstract

The invention discloses a device for preventing a bridge floor from toppling, which belongs to the technical field of bridge reinforcement and comprises a bearing platform assembly, a circular sleeve and a suspended beam. After the circular sleeve is attached to the upper portion of the column pier, the bearing platform assembly and the suspended beam are attached to the preset position and then connected through a first bolt. The device for preventing the bridge floor from toppling is used for preventing the bridge floor from toppling and falling accidents caused by overlarge stress on one side of a bridge.

Description

Technical Field

[0001] The present invention belongs to the technical field of bridge reinforcement, and particularly relates to a device for preventing the bridge deck from toppling. Background Art

[0002] Bridges are an important part of transportation. At present, most bridges in China adopt the installation form of single-column piers. Single-column pier bridges have advantages such as small land occupation area, easy construction, and good stress performance, and are widely used. However, on heavily loaded and busy urban expressways, it is easy to cause a high probability of the bridge deck toppling due to excessive unilateral force and uneven bilateral forces. At present, there are many bridge reinforcement devices, which cannot well prevent accidents caused by uneven beam forces resulting in the toppling and falling of the bridge deck. The present invention can prevent accidents caused by excessive unilateral force on the bridge resulting in the toppling and falling of the bridge deck. Summary of the Invention

[0003] The present invention provides a device for preventing the bridge deck from toppling, which is used to prevent accidents caused by excessive unilateral force on the bridge resulting in the toppling and falling of the bridge deck.

[0004] A device for preventing the bridge deck from toppling includes: a bearing platform assembly, a circular sleeve, and a hanging beam; After the circular sleeve fits with the upper part of the pier, the bearing platform assembly and the hanging beam are fitted at the predetermined positions, and then connected by a first bolt.

[0005] Preferably, for the bearing platform assembly, the bearing platform assembly includes: A rectangular-like side plate and a concave side plate; the lower end of the rectangular-like side plate is placed at the same height as the lower end of the sleeve, and the direction is perpendicular to the beam. One bearing platform assembly includes two such rectangular-like side plates; The lower end of the concave side plate contacts the rectangular-like side plate, and the upper part is fitted with the beam through the hanging beam, and is obliquely placed in the upper middle part of the device. One bearing platform assembly includes two such concave side plates.

[0006] Preferably, the inner diameter of the circular sleeve is equal to the outer diameter of the pier and can fit with the pier. The circular sleeve includes two semi-circular sleeves.

[0007] Preferably, the hanging beam includes: an upper hanging beam and a lower hanging beam; The upper hanging beam connects the bottom surface of the bridge and the concave side plate, is in a V shape, and a first through hole is provided at the connection with the bottom surface of the bridge and the concave side plate. And the upper hanging beam includes two such concave side plates; The lower hanging beam connects the concave side plate and the rectangular-like side plate, is in a V shape, and a first through hole is provided at the connection with the two side plates. And the lower hanging beam includes four such rectangular-like side plates.

[0008] Preferably, the inner side of the rectangular-like side plate is set to be arc-shaped to facilitate fitting with the circular sleeve, and a first through hole is provided above the plate.

[0009] Preferably, the inner U-shaped section of the concave side plate is vertically cut, which is convenient for fitting with the circular sleeve, and first through holes are provided on both the upper and lower sides of the plate.

[0010] The beneficial effects of the present invention are embodied in: The present invention provides a device for preventing the bridge deck from toppling, reducing the accidents of the bridge toppling and falling caused by excessive unilateral force on the bridge; It further includes: a bearing platform assembly, a circular sleeve, and a hanging beam; after the semi-circular sleeve fits with the upper part of the pier, the bearing platform assembly and the hanging beam are fitted at the predetermined positions, and then connected by first bolts; The circular sleeve provided by the present invention can be tightly fastened on the outer side of the pier through the bearing platform device, without modifying the original pier, avoiding damage to the original pier, and connecting each part by bolts, which is convenient for installation, time-saving and labor-saving. Description of the Drawings

[0011] Figure 1 It is a schematic diagram of the overall structure of a device for preventing the bridge deck from toppling according to the present invention.

[0012] Figure 2 It is a schematic diagram of a rectangular side plate similar to the device for preventing the bridge deck from toppling according to the present invention.

[0013] Figure 3 It is a schematic diagram of a concave side plate of a device for preventing the bridge deck from toppling according to the present invention.

[0014] Figure 4 It is a schematic diagram of the upper hanging beam of a device for preventing the bridge deck from toppling according to the present invention.

[0015] Figure 5 It is a schematic diagram of the lower hanging beam of a device for preventing the bridge deck from toppling according to the present invention.

[0016] Figure 6 It is a schematic diagram of the circular sleeve of a device for preventing the bridge deck from toppling according to the present invention.

[0017] Figure 7 It is a schematic diagram of the installation position of a device for preventing the bridge deck from toppling according to the present invention.

[0018] In the figure: 1. Bearing platform assembly; 11. Rectangular side plate similar; 12. Concave side plate; 2. Hanging beam; 21. Upper hanging beam; 22. Lower hanging beam; 3. Circular sleeve; 4. Pier; 5. Beam; a. First through hole; b. First bolt. Detailed Embodiments

[0019] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be described in detail below in conjunction with the drawings and embodiments. The description of this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present invention.

[0020] The embodiment of the present invention discloses a device for preventing a bridge deck from tipping over, which is used to prevent an accident in which a bridge deck tips over and falls due to excessive force on one side of the bridge.

[0021] See also Figures 1-6 , the present invention provides a device for preventing a bridge deck from tipping over, comprising: a cap assembly 1, a hanging beam 2, and a circular sleeve 3; The circular sleeve 3 and the column pier 4 are fitted at a predetermined position; The base assembly 1 and the hanging beam 2 are fitted at a predetermined position, connected to the beam 5 by a No. 1 bolt b, and then the rectangular side plate 11 and the lower hanging beam 22 are fixed by a No. 1 bolt b, so that the base assembly is tightly clamped with the circular sleeve 3.

[0022] It should be noted that the No. 1 through hole a is compatible with the No. 1 bolt b.

[0023] See also Figure 1 , 2 , 3, 7, for further improvement, the base assembly 1 includes: a rectangular side panel 11 and a concave side panel 12; the rectangular side panel 11 is placed obliquely, and the lower end is against the top of the concave side panel 12. A base assembly 1 includes two rectangular side panels 11 and two concave side panels 12.

[0024] See also Figure 3 The U-shaped section inside the concave side plate 12 is cut vertically to facilitate fitting with the circular sleeve 3.

[0025] It should be noted that the cap assembly 1 is the core component for preventing the bridge deck from collapsing, and the concave side plate 12 is the main force-bearing part for the bridge deck toppling when the column pier 4 fails.

[0026] See also Figure 2 , 3 As a further improvement, the rectangular side panel 11 is provided with a through hole a at both the upper and lower parts, and the concave side panel 12 is provided with a through hole a at the upper part.

[0027] Please refer to 4 and 5. For further improvement, the cross section of the main part of the hanging beam is V-shaped, and the upper hanging beam and the lower hanging beam are provided with No. 1 through holes a on both sides.

[0028] See also Figure 6 As a further improvement, two circular sleeves 3 are fitted on the surface of the column pier in the area to be reinforced.

[0029] It should be noted that the arrangement of the No. 1 through holes a provided on the platform assembly 1 and the hanging beam 2 is consistent.

[0030] See also Figures 1-7 The present invention provides a construction step of a device for preventing bridge deck collapse provided by an embodiment: The circular sleeve 3 is fitted on the top of the pier 4 in advance; Connect the upper hanging beam 21 to the beam 5 with the first bolt b at a predetermined position, and then connect it to the concave side plate 12; Connect the lower hanging beam 22 to the concave side plate 12 with the first bolt b. Insert the rectangular side plate 11 between the two lower hanging beams 22, and finally complete the connection with the first bolt b.

Claims

1. A device for preventing bridge deck from tipping over, characterized in that: include: Cap assembly, circular sleeve, hanging beam; After the circular sleeve is fitted with the upper part of the pier, the base assembly and the hanging beam are fitted at a predetermined position and then connected by a No. 1 bolt.

2. The platform assembly according to claim 1, characterized in that: The platform assembly comprises: a rectangular side plate and a concave side plate; The lower end of the rectangular side plate is placed at the same height as the lower end of the circular sleeve, and the direction is perpendicular to the beam. One of the said platform components includes two said rectangular side plates; The lower end of the concave side plate contacts the rectangular side plate, and the upper part is fitted with the beam through the hanging beam, and is placed obliquely in the upper middle part of the device. One said support platform assembly includes two said concave side plates.

3. The circular sleeve according to claim 1, characterized in that: The inner diameter of the semicircular sleeve is equal to the outer diameter of the column pier and can fit with the column pier. The circular sleeve includes two semicircular sleeves.

4. The hanging beam according to claim 1, characterized in that: The hanging beam comprises: an upper hanging beam and a lower hanging beam; The upper hanging beam connects the bottom surface of the bridge and the concave side plate, and is V-shaped. A No. 1 through hole is provided at the connection between the bottom surface of the bridge and the concave side plate, and the upper hanging beam includes two concave side plates; The lower hanging beam connects the concave side plate and the rectangular side plate in a V shape, and a No. 1 through hole is arranged at the connection between the rectangular side plate and the concave side plate, and the lower hanging beam includes four rectangular side plates.

5. The rectangular side panel according to claim 2, characterized in that: The inner side of the rectangular side plate is arranged in an arc shape to facilitate fitting with the circular sleeve, and a No. 1 through hole is arranged above the plate.

6. The concave side plate according to claim 2, characterized in that: The U-shaped section on the inner side of the concave side plate is cut vertically to facilitate fitting with the circular sleeve, and No. 1 through holes are provided on the upper and lower sides of the plate.

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