Protective fence for bridge engineering

Abstract

The utility model discloses a protective fence for bridge engineering. The protective fence comprises a base, reinforcing ribs and a protective fence assembly. The bases are connected to the two sides of a bridge, extend in the length direction of the bridge and are formed by pouring concrete. The reinforcing rib is provided with two opposite end parts, the reinforcing rib is arranged in the base, the two end parts are respectively exposed out of the top surface and the bottom surface of the base, the lower end of the reinforcing rib is bent towards the axis direction of the bridge to form a bent part, and the bent part is embedded in the bridge; the bending part is fixedly connected with a transverse rib body in the bridge; the guardrail assembly comprises a plurality of stand columns, connecting plates fixed to the lower ends of the stand columns and cross rods used for connecting the stand columns, and the connecting plates are connected with the upper ends of the reinforcing ribs so that the stand columns can be connected with the base. The lower ends of the reinforcing ribs are provided with bending parts bending towards the axis of the bridge, and the bending parts are fixedly connected with transverse ribs of the bridge, so that the impact resistance of the protective fence is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge engineering, and particularly relates to a guardrail for bridge engineering. Background Art

[0002] Bridge guardrails are safety facilities applied to bridges. Their main functions are to provide visual safety for pedestrians and vehicles, and at the same time, they can also prevent out-of-control vehicles from falling outside the bridge, having the functions of preventing vehicles from breaking through or climbing over the bridge and beautifying the bridge structure. Common bridge guardrails are usually made of reinforced concrete or cast iron. The steel pipes connected to the guardrails are usually directly embedded on both sides of the bridge. Although the above connection structure is simple in construction, the stability between the steel pipes and the bridge is insufficient, resulting in general impact resistance of the bridge guardrail and being unable to provide sufficient safety guarantee for out-of-control vehicles. Content of the Utility Model

[0003] In order to solve the above problems, the utility model provides a guardrail for bridge engineering. The lower end of the reinforcing rib has a bent portion that bends towards the bridge axis, and the bent portion is fixedly connected to the transverse rib of the bridge, which is beneficial to improving the impact resistance of the guardrail.

[0004] The technical solution of the utility model is as follows:

[0005] A guardrail for bridge engineering includes a base, a reinforcing rib, and a guardrail assembly. The base is connected to both sides of the bridge and extends along the length direction of the bridge. The base is formed by pouring concrete. The reinforcing rib has two opposite ends. The reinforcing rib is arranged in the base and the two ends respectively expose from the top surface and the bottom surface of the base. The lower end of the reinforcing rib bends towards the bridge axis direction to form a bent portion. The bent portion is embedded in the bridge and is fixedly connected to the transverse rib in the bridge. The guardrail assembly includes a plurality of columns, a connecting plate fixed to the lower end of the column, and a cross bar for connecting the plurality of columns. Among them, the connecting plate is connected to the upper end of the reinforcing rib to connect the column to the base.

[0006] Preferably, the number of the reinforcing ribs is multiple, and the multiple reinforcing ribs are distributed around the axis of the base.

[0007] Specifically, the upper end of the reinforcing rib is provided with an external thread, and the connecting plate is provided with a plurality of connection holes corresponding to the reinforcing ribs one by one. The upper end of the reinforcing rib penetrates through the connection hole and is fixedly connected to a fastening bolt.

[0008] Specifically, the reinforcing rib is made of ribbed steel, and the outer diameter of the reinforcing rib is not less than 10 mm.

[0009] Preferably, it further includes a reinforcing plate. The reinforcing plate is L-shaped and includes a horizontal plate and a vertical plate. The horizontal plate is fixedly connected to the base, and the vertical plate is fixedly connected to the column.

[0010] Preferably, the vertical plate is fixedly connected to the column by welding. The horizontal plate is provided with through holes, and the horizontal plate is sleeved on the reinforcing rib through the through holes and locked by the fastening bolts.

[0011] Preferably, the column and the connecting plate are of an integral structure.

[0012] Preferably, the cross bar is fixedly connected to the column through the hoop.

[0013] The beneficial effects of the present utility model are as follows:

[0014] The lower end of the reinforcing rib of the guardrail has a bent portion that bends towards the bridge axis, and the bent portion is fixedly connected to the transverse rib of the bridge, so as to effectively increase the impact resistance of the base, and further improve the impact resistance of the guardrail, providing sufficient safety protection for out-of-control vehicles. Description of the Drawings

[0015] By reading the detailed description of the preferred embodiments below, the solutions and advantages of the present application will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the preferred embodiments and are not considered to be a limitation of the present utility model.

[0016] In the drawings:

[0017] Figure 1 is a schematic structural diagram of the guardrail for bridge engineering of the present utility model;

[0018] Figure 2 is Figure 1 a partial enlarged view of part A in

[0019] The components represented by the reference numerals are:

[0020] 1 reinforcing rib, 11 bent portion, 2 hoop, 3 column, 4 connecting plate, 5 base, 6 cross bar, 7 fastening bolt, 8 reinforcing plate. Detailed Embodiments

[0021] See Figure 1 and Figure 2 The present utility model provides a guardrail for bridge engineering, including a base 5, a reinforcing rib 1, and a guardrail assembly.

[0022] The base 5 is connected to both sides of the bridge and extends along the length direction of the bridge. The base 5 is made of cast concrete. Specifically, the height of the base 5 is set between 10 - 15 cm. The two side faces of the base 5 can be set as inclined planes to endow it with certain structural strength.

[0023] The reinforcing rib 1 has two opposite ends. The reinforcing rib 1 is arranged in the base 5 and the two ends are respectively exposed from the top surface and the bottom surface of the base 5, that is, the length of the reinforcing rib 1 is greater than the height of the base 5. Specifically, the exposed lengths of the reinforcing rib 1 from the top surface and the bottom surface of the base 5 can be 5 - 10 cm. The base 5 can be formed by post - casting. The lower end of the reinforcing rib 1 bends towards the bridge axis direction to form a bent part 11. The bent part 11 is embedded in the bridge and is fixedly connected with the transverse rib in the bridge, so as to increase the impact resistance of the base 5, and further improve the impact resistance of the guardrail, providing sufficient safety guarantee for out - of - control vehicles. Specifically, the bent part 11 and the bridge transverse rib are connected by iron wire.

[0024] Specifically, the reinforcing rib 1 is made of ribbed steel to endow the reinforcing rib 1 with strong rigidity. In addition, the outer diameter of the reinforcing rib 1 is not less than 10 mm to improve the structural strength of the reinforcing rib 1, and further increase the structural strength of the base 5.

[0025] The guardrail assembly includes a plurality of columns 3, a connecting plate 4 fixed to the bottom of the columns 3, and a cross bar 6 for connecting the plurality of columns 3. Among them, the plurality of columns 3 are arranged at intervals. The columns 3 can be made of cast iron. The connecting plate 4 is connected to the upper end of the reinforcing rib 1 to connect the columns 3 with the base 5.

[0026] Optionally, the number of the reinforcing ribs 1 is multiple. The multiple reinforcing ribs 1 are distributed around the axis of the base 5, which is beneficial to improving the structural strength of the base 5. For example, the number of the reinforcing ribs 1 is four.

[0027] In an embodiment, the upper end of the reinforcing rib 1 is provided with an external thread, and a plurality of connection holes corresponding to the reinforcing rib 1 one by one are arranged on the connecting plate 4. The upper end of the reinforcing rib 1 penetrates through the connection hole and is fixedly connected with the fastening bolt 7, which can reduce the construction difficulty. It should be noted that the inner diameter of the connection hole is greater than the outer diameter of the reinforcing rib 1 to facilitate their connection.

[0028] Optionally, in order to further improve the connection strength between the column 3 and the base 5, and further increase the impact resistance of the guardrail, a reinforcing plate 8 is also included. The reinforcing plate 8 is made of cast iron. The reinforcing plate 8 is L - shaped and includes a horizontal plate and a vertical plate. Among them, the horizontal plate is fixedly connected with the base 5, and the vertical plate is fixedly connected with the column 3.

[0029] Specifically, the vertical plate is fixedly welded to the column 3, so as to improve the connection strength between the vertical plate and the column 3. The transverse plate is provided with through holes, and the transverse plate is sleeved on the reinforcing rib 1 through the through holes and locked by fastening bolts 7.

[0030] Optionally, the column 3 and the connecting plate 4 can be fixedly connected by welding or other means. Of course, the column 3 and the connecting plate 4 can also be an integral structure to reduce the forming difficulty.

[0031] It should be noted that the cross bar 6 and the column 3 can be fixed by welding. In addition, the cross bar 6 and the column 3 can also be fixed by a hoop 2 for easy disassembly. Specifically, the hoop 2 is installed inside the column 3, and the hoop 2 is composed of an arc-shaped plate and two pairs of bolts and nuts.

[0032] The above is only the preferred embodiment of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A guardrail for bridge engineering, characterized in that: include: A base (5) is connected to both sides of the bridge, and the base (5) extends along the length direction of the bridge, and the base (5) is cast by concrete; A reinforcing rib (1) having two opposite ends, the reinforcing rib (1) being arranged in the base (5) and the two ends respectively exposed from the top surface and the bottom surface of the base (5), the lower end of the reinforcing rib (1) being bent toward the axis of the bridge to form a bent portion (11), the bent portion (11) being embedded in the bridge, and the bent portion (11) being fixedly connected to a transverse rib body in the bridge; A guardrail assembly comprises a plurality of upright posts (3), a connecting plate (4) fixed at the bottom of the upright posts (3), and a crossbar (6) for connecting the plurality of upright posts, wherein the connecting plate (4) is connected to the upper end of the reinforcing rib (1) to connect the upright posts (3) to the base (5).

2. The bridge engineering guardrail according to claim 1, characterized in that: The number of the reinforcing ribs (1) is multiple, and the multiple reinforcing ribs (1) are distributed around the axis of the base (5).

3. The bridge engineering guardrail according to claim 2, characterized in that: The upper end of the reinforcing rib (1) is provided with an external thread, and the connecting plate (4) is provided with a plurality of connecting holes corresponding one to one with the reinforcing rib (1). The upper end of the reinforcing rib (1) passes through the connecting hole and is fixedly connected with the fastening bolt (7).

4. The bridge engineering guardrail according to claim 1, characterized in that: The reinforcing rib (1) is made of threaded steel.

5. The bridge engineering guardrail according to claim 4, characterized in that: The outer diameter of the reinforcing rib (1) is not less than 10 mm.

6. The bridge engineering guardrail according to claim 3, characterized in that: It also comprises a reinforcing plate (8), which is L-shaped and comprises a horizontal plate and a vertical plate, wherein the horizontal plate is fixedly connected to the base (5), and the vertical plate is fixedly connected to the column (3).

7. The bridge engineering guardrail according to claim 6, characterized in that: The vertical plate is welded and fixed to the upright column (3); a through hole is provided on the horizontal plate; the horizontal plate is sleeved on the reinforcing rib (1) through the through hole; and the horizontal plate is locked by the fastening bolts (7).

8. The bridge engineering guardrail according to claim 1, characterized in that: The upright column (3) and the connecting plate (4) are an integrated structure.

9. The bridge engineering guardrail according to claim 1, characterized in that: The cross bar (6) is fixedly connected to the upright column (3) via a hoop (2).

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