Outer shield reinforcing device for viaduct

Abstract

A viaduct outer shielding reinforcing device comprises a plurality of sets of concrete anti-collision walls arranged at intervals, a steel structure stand column is fixed to the upper portion of each set of concrete anti-collision wall, and each steel structure stand column comprises a base used for being connected with the corresponding concrete anti-collision wall and a support fixed to the corresponding base; the multiple steel structure stand columns are connected with a shielding plate at the same time. The anti-collision capability of the outer shield of the road surface can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of road engineering, and particularly relates to a viaduct outer shielding reinforcing device. BACKGROUND

[0002] The outer shielding of the viaduct refers to a shielding facility installed on the edges of the viaduct road on both sides, and the main function thereof is to resist lateral wind on the bridge and isolate the line of sight from the outside, so as to ensure the safety of the vehicle driving. In order to ensure the reliability of the outer shielding under various working conditions, a reinforcing device is usually matched to prevent the outer shielding from being separated from the bridge body due to strong wind or vehicle impact.

[0003] However, most of the outer shielding reinforcing devices are installed after the completion of the bridge construction, and such reinforcing devices mainly rely on their own weight to support and stabilize the outer shielding, and lack effective fixed connection between the bridge body, which makes the outer shielding reinforcing device easily separated from the bridge body when encountering large vehicle impact, and further loses the protection function for the vehicle driving on the viaduct. SUMMARY

[0004] The utility model provides a kind of viaduct outer shielding reinforcing device to solve the problem of poor stability of outer shielding on both sides of viaduct.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is as follows:

[0006] A viaduct outer shielding reinforcing device, comprising a plurality of groups of concrete crash barriers arranged at intervals, each group of concrete crash barriers is provided with a steel structure column fixed above, the steel structure column comprises a base for connecting with the concrete crash barrier, and a support fixed on the base;

[0007] A plurality of steel structure columns are connected with a shielding plate at the same time.

[0008] Further, the concrete crash barrier comprises a bottom pier, a wall body and a boss in sequence, and the cross-sectional area of the bottom pier is greater than that of the wall body and the boss.

[0009] Further, the side of the shielding plate away from the steel structure column is provided with a steel structure guardrail, the steel structure guardrail comprises a buffer cross beam and a mounting seat for mounting on the shielding plate, the buffer cross beam is connected with a plurality of mounting seats, and a connecting plate is arranged between the mounting seat and the buffer cross beam.

[0010] Further, a fixed mounting plate for connecting with the road surface is pre-embedded in the bottom pier, and both ends of the fixed mounting plate extend from the side wall of the bottom pier.

[0011] Further, a U-shaped steel is embedded in the boss, and the end of the U-shaped steel extends from the side wall of the boss, and the U-shaped steel is used to pass through the shielding plate.

[0012] Further, a plurality of bolts are vertically embedded on the top of the boss, and the bolts are connected with the steel structure column after passing through the steel structure column.

[0013] Further, the abutting plates on the two sides of the shielding plate are provided with abutting holes, and the abutting plates abut and the abutting holes are aligned when the adjacent two shielding plates are spliced.

[0014] Further, the side wall of the support and the side wall of the boss abut against the plate surface of the shielding plate after the shielding plate is installed on the steel structure column.

[0015] Further, the concrete anti-collision wall and the steel structure column are prefabricated structures.

[0016] The utility model can achieve the following beneficial effects:

[0017] 1. The utility model discloses a prefabricated concrete anti-collision wall improves the stability of the outer shielding and reinforcing device of viaduct, so that the outer shielding and reinforcing device of viaduct is not easy to overturn and fall to the below of viaduct bridge when being impacted, the splicing of the concrete anti-collision wall and the shielding plate is realized through the steel structure column, the shielding plate realizes the shielding of the line of sight of the driver, and the lateral wind is resisted. Meanwhile, the mode of factory prefabrication and viaduct site construction installation is adopted, the installation workload on site is reduced, the installation period is shortened, and the engineering construction efficiency is effectively improved.

[0018] 2. The utility model discloses a steel structure guardrail, so that when the vehicle on the viaduct accidentally deviates from the road and accidentally impacts the outer shielding and reinforcing device, first, the vehicle is in contact with the buffer cross beam, the buffer force is improved through the deformation of the buffer cross beam, the vehicle is directly impacted with the concrete anti-collision wall, and the impact damage to the vehicle and the personnel in the vehicle is reduced.

[0019] 3. The utility model discloses a concrete anti-collision wall fixedly installed on the viaduct section, strengthens the connection strength between the outer shielding and reinforcing device and the viaduct, so that the outer shielding is difficult to separate from the bridge when suffering relatively strong impact, thereby providing more solid safety guarantee for the vehicle driving on the viaduct. ACCURACY OF DRAWINGS

[0020] The utility model will be further described in connection with the drawings and examples:

[0021] Figure 1 It is the overall structure schematic diagram of the utility model discloses a kind of outer shielding and reinforcing device of viaduct;

[0022] Figure 2 is another overall structure schematic view of the high bridge outer shielding reinforcing device according to the utility model from another angle;

[0023] Figure 3 is a structure schematic view of the concrete crash barrier according to the utility model;

[0024] Figure 4 is a structure schematic view of the steel structure stand according to the utility model;

[0025] Figure 5 is a structure schematic view of the steel structure guardrail according to the utility model;

[0026] Figure 6 is an effect schematic view of the high bridge outer shielding reinforcing device according to the utility model after being installed to the road surface.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] 1, concrete crash barrier; 101, bottom pier; 102, wall body; 103, boss; 2, fixed mounting plate; 3, U-shaped steel bar; 4, stud; 5, steel structure stand; 501, base; 502, support; 6, shielding plate; 601, butt joint plate; 7, fastening plate; 8, steel structure guardrail; 801, mounting seat; 802, connecting plate; 803, buffer cross beam; 9, embedded steel bar; 10, high bridge road section. DETAILED DESCRIPTION

[0029] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0030] The utility model provides a kind of high bridge outer shielding reinforcing device, refer to Figures 1 to 3 , including concrete crash barrier 1 and embedded steel bar 9;Concrete crash barrier 1 total three groups, each group from bottom to top includes bottom pier 101, wall body 102 and boss 103 in turn, the cross-sectional area of bottom pier 101 is greater than the cross-sectional area of wall body 102 and boss 103. Bottom pier 101 is inserted with fixed mounting plate 2 in transverse direction, the opposite sides of fixed mounting plate 2 respectively from the opposite sides of the side wall of bottom pier 101 expose;Boss 103 is inserted with U-shaped steel bar 3 in transverse direction, the end of U-shaped steel bar 3 is threaded and exposed from the side wall of boss 103, four groups of stud 4 are vertically inserted above boss 103 and make its end exposed.

[0031] Refer to Figure 1 And Figure 4The steel structure column 5 is connected to the top of the concrete crash wall 1, and the shielding plate 6 is installed on the steel structure column 5. Specifically, the top of the concrete crash wall 1 is fixedly connected to the steel structure column 5 by means of the stud 4 and the nut; the steel structure column 5 comprises a base 501 and two groups of brackets 502 fixed on the base 501, the brackets 502 are fixedly connected to the shielding plate 6 by means of the bolts, the fastening plates 7 and the nuts, and the side wall of the shielding plate 6 is tightly fitted to the side wall of the boss 103 and the bracket 502; meanwhile, the U-shaped steel bar 3 passes through the shielding plate 6 to provide further connection and fixation; on the shielding plate 6, on the other side of the concrete crash wall 1, the steel structure guardrail 8 is fixedly connected to the U-shaped steel bar 3 and the nut.

[0032] As shown in Figure 3 , the fixed mounting plate 2, the U-shaped steel bar 3 and the stud 4 all belong to pre-embedded parts, and form a reinforced concrete combination with the concrete crash wall 1 when the product is delivered from the factory; the fixed mounting plate 2, the U-shaped steel bar 3 and the stud 4 are positioned first during factory production, and then the concrete is poured, and the reinforced concrete combination is obtained after solidification, which is pre-fabricated in the factory and installed on site, thereby reducing a large amount of on-site work and greatly shortening the installation period of the external shielding and reinforcing device.

[0033] As shown in Figure 3 , the half-ring part of the U-shaped steel bar 3 is exposed from the side wall of the concrete crash wall 1, and the lifting belt is passed through the half-ring part of the U-shaped steel bar 3 during construction, so that the reinforced concrete combination can be lifted and positioned by the crane.

[0034] As shown in Figure 1 and Figure 5 , the steel structure guardrail 8 comprises a mounting seat 801, the mounting seat 801 is fixedly connected to one side of the shielding plate 6 by means of the U-shaped steel bar 3 and the nut, a connecting plate 802 is fixedly connected to the other side of the shielding plate 6 on the mounting seat 801, a buffer cross beam 803 is fixedly connected to the connecting plate 802, and the buffer cross beam 803 is spaced apart from the concrete crash wall 1, so that if a vehicle on the viaduct deviates from the road and hits the external shielding and reinforcing device, the buffer cross beam 803 will be contacted first, the steel structure guardrail 8 and the shielding plate 6 will be supported by the weight of the concrete crash wall 1, the buffer cross beam 803 will be deformed by the impact, and the advancement of the vehicle will be buffered to some extent, thereby avoiding the vehicle hitting the concrete crash wall 1 directly and reducing the impact damage to the vehicle and the passengers in the vehicle.

[0035] As shown in Figure 6As shown, the embedded steel bars 9 are embedded in the vertical direction on both sides of the viaduct section 10, the upper end of the embedded steel bars 9 is threaded, and is inserted and fixed on both sides of the fixed mounting plate 2, the threaded part of the embedded steel bars 9 is screwed with a nut, and the bottom of the nut is tightly attached to the fixed mounting plate 2; the reinforced concrete combination is fixed on the viaduct section 10 through the embedded steel bars 9 and the nut, so as to strengthen the connection strength between the external shielding reinforcing device and the viaduct, and thus the external shielding reinforcing device is not easy to be separated from the bridge even if a larger impact is received.

[0036] As shown in Figure 1 and Figure 2 As shown, the two sides of the shielding plate 6 are provided with butt plates 601, three groups of butt holes are formed on the butt plates 601 at the same height position, the butt plates 601 on the two sides of the shielding plates 6 of different groups of external shielding reinforcing devices are aligned with each other when installed on the viaduct, bolts are inserted into the butt holes, and fastening nuts are screwed, so as to connect the two groups of shielding plates 6, and further improve the fixing effect of the external shielding reinforcing device on the viaduct through mutual connection.

[0037] The external shielding reinforcing device of the viaduct can be prefabricated in the factory, hoisted to the construction site for assembly, and is convenient and fast to install. In addition, the design of the concrete crash wall 1 enhances the anti-impact ability of the reinforcing device, increases the cross-sectional area of the bottom pier 101, and can enhance the stability of the concrete crash wall 1, so that the concrete crash wall 1 is not easy to overturn when impacted.

[0038] The shielding plate 6 shields the line of sight of the personnel in the vehicle driving on the viaduct, avoids the phenomenon of height fear or car sickness in high-speed driving; the buffer cross beam 803 can buffer the impact of the vehicle, avoid the vehicle directly impacting the concrete crash wall 1, and thus reduce the impact damage to the vehicle and the personnel in the vehicle; the butt plates 601 on the two sides of the shielding plates 6 of different groups of external shielding reinforcing devices are aligned with each other when installed on the viaduct, bolts are inserted into the butt holes, and fastening nuts are screwed, so as to connect the two groups of shielding plates 6, and further improve the fixing effect of the external shielding reinforcing device on the viaduct through mutual connection.

[0039] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An overhead bridge external shielding reinforcement device, characterized by: The application relates to a concrete crash barrier (1) provided with a plurality of groups of steel structure columns (5) and a plurality of groups of shielding plates (6). The steel structure columns (5) are connected with the concrete crash barrier (1).

2. The overhead bridge outer shielding reinforcement device according to claim 1, characterized in that: The concrete crash barrier (1) comprises a bottom pier (101), a wall body (102) and a boss (103) in sequence, and the cross-sectional area of the bottom pier (101) is larger than that of the wall body (102) and the boss (103).

3. The overhead bridge outer shielding reinforcement device according to claim 1, characterized in that: The shielding plate (6) is provided with a steel structure guardrail (8) away from the steel structure column (5).

4. The overhead bridge outer shielding reinforcement device according to claim 2, characterized in that: The bottom pier (101) is provided with a fixed mounting plate (2) embedded therein and used for being connected with a road surface.

5. The overhead bridge outer shielding reinforcement device according to claim 2, characterized in that: The boss (103) is provided with a U-shaped reinforcing steel bar (3) embedded therein and used for penetrating through the shielding plate (6).

6. The overhead bridge outer shielding reinforcement device according to claim 2, characterized in that: The boss (103) is vertically provided with a plurality of threaded studs (4) embedded in the top of the boss (103).

7. The overhead bridge outer shielding reinforcement device according to claim 1, characterized in that: The shielding plate (6) is provided with a butt plate (601) arranged at each side end of the shielding plate (6) and provided with a butt hole.

8. The overhead bridge outer shielding reinforcement device according to claim 2, characterized in that: The shielding plate (6) is connected with the steel structure column (5).

9. The overhead bridge outer shielding reinforcement device according to claim 1, characterized in that: The concrete crash barrier (1) and the steel structure column (5) are prefabricated structures.

Images