Bridge guardrail with high stability

Abstract

The utility model discloses a bridge guardrail with high stability, which belongs to the technical field of bridge guardrails and comprises a plurality of upright posts, a plurality of buffer mechanisms are arranged between two adjacent upright posts, cross bars are arranged above the buffer mechanisms, and the front sides, the left sides and the right sides of the bottoms of the upright posts are connected with a bridge deck through embedded bolts. An auxiliary supporting mechanism is arranged on the rear side of the stand column. The auxiliary supporting mechanism comprises a supporting plate, the front face of the supporting plate is connected with the rear face of the stand column through a clamping assembly, the bottom face of the supporting plate makes contact with the top face of the bridge deck slab, a connecting frame is arranged below the supporting plate and connected with the bottom face of the bridge deck slab through a locking piece, and a reinforcing plate is arranged on the rear side of the supporting plate. The auxiliary supporting mechanism is installed on the rear side of the stand column to support the rear portion of the stand column, the structural strength of the guardrail is improved, and stability is improved. A plurality of buffering mechanisms are installed between every two adjacent stand columns, and the situation that a vehicle driver or passengers are injured is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge guardrail technical field especially relates to a bridge guardrail with high stability. BACKGROUND

[0002] Bridge guardrail refers to the guardrail set on the bridge, its purpose is to prevent out-of-control vehicles from going beyond the bridge, has the function that the vehicle cannot break through, underpass, leap over the bridge and beautify the bridge building, the selection of the form of bridge guardrail, first should according to the highway grade, the safety, the coordination, the characteristics of the object needing protection and the geometric condition of the scene and other factors are determined the crashproof grade, then according to the structure, the economy and the construction and maintenance and repair and other factors are selected the structure form, its embedding mode has three modes of direct embedding type of stand, flange connection type and through the force steel bar to pour bridge guardrail and bridge deck into one, when the condition permits, can adopt the abstract and change type guardrail.

[0003] Road bridge guardrail when in use, bridge guardrail is prone to collision, and the existing bridge guardrail mostly has stand and cross bar and is composed, and the structural strength is limited, under the impact of external force, once the stand is inclined or broken, will cause the whole guardrail to be inclined, even to fall, and the cross bar broken will make the guardrail damaged, these conditions will cause the vehicle to fall to the bridge, causes the tragic of vehicle damage and death. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a bridge guardrail with high stability, solves the problem that the existing bridge guardrail mostly has poor structural strength and insufficient stability.

[0005] To solve the above technical problem, the utility model adopts the following technical scheme:

[0006] The utility model discloses a bridge guardrail with high stability, which comprises a plurality of stands, a plurality of buffer mechanisms are arranged between adjacent two stands, a cross bar is arranged above the buffer mechanisms, the front side and the left and right sides of the bottom of the stand are connected with the bridge deck through embedded bolts, and an auxiliary supporting mechanism is arranged at the back side of the stand.

[0007] Further, the support plate comprises a vertical plate, the bottom surface of the vertical plate is vertically connected with a horizontal plate, the bottom surface of the horizontal plate is in contact with the top surface of the bridge deck, the vertical plate is connected with the stand column through a clamping assembly, the vertical edge of the reinforcing plate is connected with the vertical plate, and the horizontal edge of the reinforcing plate is connected with the horizontal plate.

[0008] Further, the clamping assembly comprises a clamping groove arranged on the front surface of the vertical plate, and a clamping block arranged on the rear surface of the stand column and matched with the clamping groove.

[0009] Further, the clamping groove and the clamping block are both arranged in a T-shaped cross section.

[0010] Further, the number of the reinforcing plates is two.

[0011] Further, the cross section of the connecting frame is arranged in an L-shaped, the vertical part of the connecting frame is connected with the bottom surface of the horizontal plate, the horizontal part of the connecting frame is arranged below the bridge deck, the end part of the bridge deck is arranged in the mounting cavity formed by the horizontal plate and the connecting frame, the locking piece is threadedly connected with the connecting frame, and the end part of the locking piece is tightly arranged on the bottom surface of the bridge deck.

[0012] Further, the stand column comprises a body, the front surface and the left and right surfaces of the bottom part of the body are all provided with a connecting plate, a reinforcing rib is arranged between the connecting plate and the body, and a mounting hole matched with the embedded bolt is formed in the connecting plate.

[0013] Further, the top surface of the body is provided with a warning light.

[0014] Further, the buffer mechanism comprises two mounting frames arranged in parallel, the left and right ends of the mounting frames are connected with the body, and a plurality of buffer rollers are rotationally connected between the two mounting frames.

[0015] Compared with the prior art, the beneficial technical effects of the utility model are as follows:

[0016] The auxiliary support mechanism is arranged on the rear side of the stand column, the auxiliary support mechanism supports the rear surface of the stand column, the structural strength of the position of the stand column is increased, a supporting force can be provided for the stand column when the vehicle collides with the stand column, the stand column is prevented from being bent due to impact, the structural strength of the guardrail is increased, and the stability is improved; a plurality of buffer mechanisms are arranged between the adjacent two stand columns, when the vehicle loses control and collides with the guardrail, the buffer rollers are in contact with the vehicle in advance and roll along the direction of the vehicle impact, so that the vehicle is guided and buffered, the reaction force of the vehicle after impact is relatively small, and the situation that the driver or passenger of the vehicle is injured is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model discloses make further explanation to the utility model discloses below combining the drawing.

[0018] Figure 1 It is the front view of the bridge guardrail with high stability of the utility model,

[0019] Figure 2 It is the side view of the bridge guardrail with high stability of the utility model,

[0020] Figure 3 It is the three-dimensional structure schematic diagram of the support plate and the reinforcing plate of the utility model,

[0021] Figure 4 It is Figure 2 The enlarged view of A in the middle,

[0022] Figure 5 It is the three-dimensional structure schematic diagram of the buffer mechanism of the utility model,

[0023] Figure 6 It is Figure 5 The enlarged view of B in the middle.

[0024] Mark explanation: 1, stand column;1-1, main body;1-2, connecting plate;1-3, reinforcing rib;1-4, clamping block;2, cross bar;3, buffer mechanism;3-1, mounting bracket;3-1-1, mounting groove;3-2, buffer roller;4, auxiliary support mechanism;4-1, support plate;4-1-1, vertical plate;4-1-1-1, clamping groove;4-1-2, horizontal plate;4-2, reinforcing plate;4-3, connecting frame;4-4, locking piece;5, warning light;6, bridge deck slab;7, pre-buried bolt. Specific implementation

[0025] As Figures 1-6 The utility model discloses bridge guardrail with high stability, including a plurality of stand columns 1, the upper and lower parallel arrangement of a plurality of buffer mechanisms 3 is installed between the two adjacent stand columns 1, the top of buffer mechanism 3 is provided with cross bar 2, and the left and right ends of cross bar 2 are connected with the two adjacent stand columns 1, and the front side and the left and right sides of the bottom of stand column 1 are connected with bridge deck slab 6 through pre-buried bolt 7, and the rear side of stand column 1 is installed with auxiliary support mechanism 4, specifically, three buffer mechanisms 3 are installed between the two adjacent stand columns 1 in the embodiment.

[0026] As Figure 2 , 3As shown, the auxiliary support mechanism 4 comprises a support plate 4-1, the front face of the support plate 4-1 is connected with the rear face of the stand 1 through a clamping assembly, the bottom face of the support plate 4-1 is in contact with the top face of the bridge deck 6, the lower side of the support plate 4-1 is connected with a connecting frame 4-3, the connecting frame 4-3 is connected with the bottom face of the bridge deck 6 through a locking piece 4-4, the rear side of the support plate 4-1 is connected with two reinforcing plates 4-2.

[0027] Specifically, the support plate 4-1 comprises a vertical plate 4-1-1, the bottom face of the vertical plate 4-1-1 is vertically connected with a horizontal plate 4-1-2, the vertical plate 4-1-1 and the horizontal plate 4-1-2 are integrally formed, the bottom face of the horizontal plate 4-1-2 is in contact with the top face of the bridge deck 6, the vertical plate 4-1-1 is connected with the stand 1 through the clamping assembly, the vertical edges of the reinforcing plates 4-2 are connected with the vertical plate 4-1-1, the horizontal edges of the reinforcing plates 4-2 are connected with the horizontal plate 4-1-2; the clamping assembly comprises a plurality of clamping grooves 4-1-1-1, the clamping grooves 4-1-1-1 are arranged on the front face of the vertical plate 4-1-1, the clamping grooves 4-1-1-1 are equally spaced from top to bottom, the rear face of the stand 1 is connected with clamping blocks 1-4 matched with the clamping grooves 4-1-1-1; the cross sections of the clamping grooves 4-1-1-1 and the clamping blocks 1-4 are all arranged in T shape; the cooperation of the clamping grooves 4-1-1-1 and the clamping blocks 1-4 is more simple and convenient to install, the clamping grooves 4-1-1-1 and the clamping blocks 1-4 can only be disassembled along the left-right direction, when the stand 1 is impacted, not only the clamping grooves 4-1-1-1 and the clamping blocks 1-4 will not be separated, but also the connection strength of the two will be increased.

[0028] The cross section of the connecting frame 4-3 is arranged in L shape, the vertical part of the connecting frame 4-3 is connected with the bottom face of the horizontal plate 4-1-2, the horizontal part of the connecting frame 4-3 is arranged below the bridge deck 6, the end part of the bridge deck 6 is arranged in the installation cavity formed by the horizontal plate 4-1-2 and the connecting frame 4-3, the locking piece 4-4 is threadedly connected with the connecting frame 4-3, the end part of the locking piece 4-4 is tightly arranged on the bottom face of the bridge deck 6.

[0029] The stand 1 comprises a body 1-1, the front side, the left and right sides of the bottom part of the body 1-1 are all connected with connecting plates 1-2, the connecting plates 1-2 and the body 1-1 are connected with reinforcing ribs 1-3, the connecting plates 1-2 are provided with installation holes matched with the embedded bolts 7; the bridge deck 6 is provided with embedded bolts 7, the embedded bolts 7 are locked and positioned through nuts after penetrating through the installation holes.

[0030] The top surface of the body 1-1 is provided with a warning light 5, which emits warning light to remind the driver to drive carefully at night to avoid collision with the guardrail.

[0031] As shown in Figure 5 、 6 The buffer mechanism 3 includes two mounting racks 3-1 arranged side by side, the left and right ends of the mounting rack 3-1 are connected with the body 1-1, a plurality of buffer rollers 3-2 are rotatably connected between the two mounting racks 3-1, the cross section of the mounting rack 3-1 is arranged in M shape, and a mounting groove 3-1-1 is formed in the middle of the mounting rack 3-1; when the vehicle loses control and collides with the guardrail, the buffer roller 3-2 first contacts the vehicle and rolls in the direction of the vehicle impact, thereby guiding the vehicle and buffering, so that the vehicle receives relatively small reaction force after impact, reducing the injury of the driver or passenger.

[0032] The installation process of the utility model is as follows:

[0033] Firstly, the column 1 and the bridge deck 6 are preliminarily connected through the embedded bolt 7, that is, the connecting plates 1-2 on the bottom of the body 1-1 are connected with the bridge deck 6 through the embedded bolt 7, then the connecting frame 4-3 is installed from the edge of the bridge deck 6, after that, the clamping block 1-4 is inserted into the clamping groove 4-1-1-1, so that the auxiliary supporting mechanism 4 and the column 1 are connected together, finally, the locking piece 4-4 is tightened, so that the locking piece 4-4 is tightly pressed on the bottom surface of the bridge deck 6, the auxiliary supporting mechanism 4 supports the back of the column 1, increases the structural strength of the column 1 position, can give the column 1 a supporting force when the vehicle collides with the column 1, prevents the column 1 from being bent due to impact, increases the structural strength of the guardrail and improves the stability.

[0034] The above-described embodiments are only preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by those skilled in the art without departing from the design spirit of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A bridge railing with high stability, characterized in that: It includes several columns (1), and several buffer mechanisms (3) are provided between two adjacent columns (1). A crossbar (2) is provided above the buffer mechanism (3). The front side and the left and right sides of the bottom of the column (1) are connected to the bridge deck (6) by pre-embedded bolts (7). An auxiliary support mechanism (4) is provided on the rear side of the column (1). The auxiliary support mechanism (4) includes a support plate (4-1). The front of the support plate (4-1) is connected to the rear of the column (1) by a clamping assembly. The bottom surface of the support plate (4-1) is in contact with the top surface of the bridge deck (6). A connecting frame (4-3) is provided below the support plate (4-1). The connecting frame (4-3) is connected to the bottom surface of the bridge deck (6) by a locking member (4-4). A reinforcing plate (4-2) is provided on the rear side of the support plate (4-1).

2. The bridge railing with high stability according to claim 1, characterized in that: The support plate (4-1) includes a vertical plate (4-1-1), and a horizontal plate (4-1-2) is vertically connected to the bottom surface of the vertical plate (4-1-1). The bottom surface of the horizontal plate (4-1-2) is in contact with the top surface of the bridge deck (6). The vertical plate (4-1-1) is connected to the column (1) by a clamping assembly. The vertical edge of the reinforcing plate (4-2) is connected to the vertical plate (4-1-1), and the horizontal edge of the reinforcing plate (4-2) is connected to the horizontal plate (4-1-2).

3. The bridge railing with high stability according to claim 2, characterized in that: The clamping assembly includes a slot (4-1-1-1), which is located in front of the vertical plate (4-1-1), and a locking block (1-4) matching the slot (4-1-1-1) is located behind the column (1).

4. The bridge railing with high stability according to claim 3, characterized in that: The cross-sections of both the slot (4-1-1-1) and the block (1-4) are T-shaped.

5. The bridge railing with high stability according to claim 2, characterized in that: The number of reinforcing plates (4-2) is set to two.

6. The bridge railing with high stability according to claim 2, characterized in that: The cross-section of the connecting frame (4-3) is L-shaped. The vertical part of the connecting frame (4-3) is connected to the bottom surface of the horizontal plate (4-1-2). The horizontal part of the connecting frame (4-3) is located below the bridge panel (6). The end of the bridge panel (6) is located in the mounting cavity formed by the horizontal plate (4-1-2) and the connecting frame (4-3). The locking member (4-4) is threadedly connected to the connecting frame (4-3). The end of the locking member (4-4) is pressed against the bottom surface of the bridge panel (6).

7. The bridge railing with high stability according to claim 1, characterized in that: The column (1) includes a body (1-1), and connecting plates (1-2) are provided on the front side and the left and right sides of the bottom of the body (1-1). A reinforcing rib (1-3) is provided between the connecting plate (1-2) and the body (1-1). The connecting plate (1-2) has mounting holes that match the pre-embedded bolts (7).

8. The bridge railing with high stability according to claim 7, characterized in that: A warning light (5) is provided on the top surface of the main body (1-1).

9. The bridge railing with high stability according to claim 7, characterized in that: The buffer mechanism (3) includes two mounting frames (3-1) arranged side by side, with the left and right ends of the mounting frames (3-1) connected to the main body (1-1), and a number of buffer rollers (3-2) rotatably connected between the two mounting frames (3-1).

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