A protective device for highway bridges

Abstract

The utility model relates to road and bridge safety protection technical field especially, a kind of protective device for road and bridge, solve the problem that existing technology column and base connection mode is fixed, cannot be quickly disassembled, leading to transportation difficulty, low installation efficiency problem.A kind of protective device for road and bridge, including several bottom insertion sleeves, the top of each bottom insertion sleeve is provided with column, the bottom end of column is connected with the inside of bottom insertion sleeve by docking structure, the bottom of both sides of column is provided with the positioning structure of detachable connection with the sidewall of bottom insertion sleeve;The bottom end of bottom insertion sleeve is fixedly connected with base.The utility model realizes the quick insertion of column and bottom insertion sleeve by docking structure, and cooperate with the radial locking of detachable positioning structure, significantly improve installation and disassembly efficiency, facilitate transportation and on-site construction, especially suitable for ramp, curve and other complex bridge deck environment, effectively improve the deployment flexibility and construction convenience of protective device.

Description

Technical Field

[0001] This utility model relates to the field of highway bridge safety protection technology, and in particular to a protective device for highway bridges. Background Technology

[0002] Highway bridges are a crucial component of modern transportation infrastructure, playing a vital role in connecting regions and managing traffic flow. They are widely used in various traffic scenarios, including highways, urban interchanges, and mountain passes. Because bridges are typically erected at high altitudes, in deep valleys, or over water, and lack natural shelter on both sides, there is a significant safety hazard of vehicles veering off course and falling off the bridge. Therefore, installing effective protective devices on both sides of bridges not only prevents vehicles from crossing the boundary and mitigates the consequences of accidents, but also enhances driving safety at night or in inclement weather through integrated warning functions. This is of great importance in protecting people's lives and property and maintaining the stable operation of the transportation system.

[0003] Existing technology, such as utility model patent CN 210766375 U, discloses a protective device for highway bridges. The device includes a base plate, a connecting block installed at one end of the base plate, and a column installed between the connecting blocks. The base plate has mounting holes, and a warning light body is installed on the upper connecting block. On one side of the column, at least one guardrail post and a guardrail sleeve are installed side by side from top to bottom. On the opposite side, a guardrail sleeve is also provided for the guardrail post to be inserted. A soft sleeve is also fitted on the guardrail post. The lateral connection is achieved by the sliding insertion and cooperation between the guardrail sleeve and the guardrail post, which improves the convenience of guardrail post installation to a certain extent.

[0004] However, the structure still has significant drawbacks in practical applications: the columns and the base plate are fixedly connected or indirectly fixed only through connecting blocks, and the two cannot be quickly disassembled and assembled, resulting in inconvenient transportation and low on-site installation efficiency. Especially in complex construction environments such as slopes, curves or narrow bridge decks, the overall handling and positioning are extremely difficult.

[0005] Therefore, given the shortcomings of existing technologies, we urgently need a protective device for highway bridges to solve this problem. This new type of protective device should enable rapid assembly and disassembly between the posts and bases, improving installation and disassembly efficiency and adaptability. Simultaneously, it should optimize the connection method between the posts and the bases, enhancing the reliability and impact resistance of the connection, and improving the modularity and standardization of the overall structure. This would significantly improve the ease of installation, safety, and economical maintenance of highway bridge protective devices, better meeting the efficient, safe, and sustainable development needs of modern bridge construction and maintenance. Utility Model Content

[0006] The purpose of this utility model is to provide a protective device for highway bridges, which solves the problem that in the prior art, the column and the base plate are fixedly connected or only indirectly fixed through connecting blocks, which makes it impossible to quickly disassemble and assemble them, resulting in inconvenient transportation and low on-site installation efficiency. This is especially true in complex construction environments such as slopes, curves, or narrow bridge decks, where the overall handling and positioning are extremely difficult.

[0007] To achieve the above objectives, this utility model provides a protective device for highway bridges, comprising several bottom plug-in tubes, each bottom plug-in tube having a column at its top, the bottom end of the column being connected to the interior of the bottom plug-in tube via a butt joint structure, and both sides of the bottom of the column having a positioning structure detachably connected to the side wall of the bottom plug-in tube. The bottom end of the bottom plug tube is fixedly connected to a base. Several plug holes are opened on one side of the column. Several railings are horizontally arranged on the top of the bottom plug tubes. One end of each railing passes through the plug hole of the adjacent column in sequence. A warning light is connected to the top of the column.

[0008] The docking structure includes a central column fixedly connected to the center of the bottom of the bottom insertion cylinder cavity, and a docking column fixedly connected to the center of the bottom of the column. The bottom end of the docking column is provided with a docking hole that matches the central column.

[0009] The base is made of metal, and anti-slip pads are fixedly connected to the four corners of the bottom of the base.

[0010] The bottom of the bottom insertion tube is fixedly connected to four corners with mating sleeves, and the bottom of the column is fixedly connected to four corners with round rods that are compatible with the mating sleeves.

[0011] The positioning structure includes a positioning plate and a positioning screw. The top end of the positioning plate is connected to the side wall of the column via a connecting rod, and one end of the positioning screw is threaded through the positioning plate and connected to the side wall of the bottom insertion cylinder.

[0012] The column has several mounting holes on one side that communicate with the insertion holes, and each mounting hole has a connecting screw threaded to one end of the screw that is connected to the side wall of the railing.

[0013] This utility model discloses a protective device for highway bridges. By setting a docking structure between the bottom plug-in cylinder and the column, it achieves rapid axial plug-in installation of the column and base, significantly improving on-site construction efficiency and solving the problems of cumbersome installation and inconvenient disassembly caused by traditional fixed connections. It is particularly suitable for modular rapid deployment in complex construction environments such as slopes, curves, and narrow bridge decks. Combined with a positioning structure located at the bottom of both sides of the column and detachably connected to the side wall of the bottom plug-in cylinder, it provides reliable radial locking force after the column is inserted, enhancing the stability and impact resistance of the connection node and effectively preventing column displacement or detachment during vehicle collisions, thus improving overall protection reliability. The fixed connection between the base and the bottom plug-in cylinder forms a stable installation foundation, ensuring the entire protection system is robust and reliable. Multiple plug-in holes on the column are used for inserting railings, which connect the columns in a through-type manner, simplifying the connection structure and improving the continuity and uniformity of lateral force. Warning lights are integrated into the top of the column, enhancing the nighttime driving safety warning function. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0016] Figure 2 This is a schematic diagram of the bottom insertion tube and column of this utility model embodiment.

[0017] Figure 3 This is a schematic diagram of the insertion hole and mounting hole of an embodiment of the present utility model.

[0018] Figure 4 This is a schematic diagram of the positioning plate and connecting rod according to an embodiment of the present invention.

[0019] Figure 5 This is a schematic diagram of the structure of the central column and the docking sleeve in an embodiment of this utility model.

[0020] In the diagram: 1. Bottom insert sleeve; 2. Column; 3. Base; 4. Warning light; 5. Railing; 6. Docking hole; 7. Docking post; 8. Mounting hole; 9. Insertion hole; 10. Round rod; 11. Positioning screw; 12. Positioning plate; 13. Connecting rod; 14. Center post; 15. Docking sleeve. Detailed Implementation

[0021] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0022] Example 1 Please see Figure 1-5 As shown, a protective device for highway bridges in this embodiment includes several bottom plug-in cylinders 1. Each bottom plug-in cylinder 1 has a column 2 at its top. The bottom end of the column 2 is connected to the interior of the bottom plug-in cylinder 1 through a docking structure. The bottom sides of the column 2 are provided with positioning structures that can be detachably connected to the side walls of the bottom plug-in cylinder 1. The bottom end of the bottom plug tube 1 is fixedly connected to the base 3. Several plug holes 9 are opened on one side of the column 2. Several railings 5 ​​are horizontally set on the top of the bottom plug tubes 1. One end of each railing 5 passes through the plug hole 9 of the adjacent column 2 in sequence. A warning light 4 is connected to the top of the column 2.

[0023] Workflow: When installing this protective device for highway bridges, firstly, the bottom plug-in cylinder 1 with base 3 is pre-fixed at a designated position on the edge of the bridge. The base 3 is firmly connected to the bridge deck with bolts or embedded parts to ensure foundation stability. Then, the bottom end of the column 2 is aligned with the opening of the bottom plug-in cylinder 1, and inserted into the bottom plug-in cylinder 1 through the butt joint structure to achieve axial positioning connection between the column 2 and the bottom plug-in cylinder 1. After the column 2 is fully inserted, the positioning structures on both sides of the bottom are operated to detachably connect it to the side wall of the bottom plug-in cylinder 1, thereby forming a radial lock on the column 2 to prevent it from being subjected to horizontal forces. When impacted, the railing may loosen or detach; after multiple posts 2 are installed in sequence, one end of the railing 5 is horizontally passed through the insertion hole 9 opened on the side wall of the adjacent post 2, so that the railing 5 runs through multiple posts 2 longitudinally along the bridge to form a continuous transverse protective structure; finally, a warning light 4 is installed at the top of the post 2, and after the power is turned on, it realizes the active warning function at night or in low visibility conditions; when it is necessary to disassemble or replace a section of the protective unit, the positioning structure can be removed first, the locking of the post 2 can be released, and then the post 2 can be pulled out from the bottom insertion cylinder 1, and then the railing 5 can be pulled out to achieve quick disassembly, which is convenient for transportation, maintenance or layout adjustment.

[0024] Example 2 Please see Figure 1-5As shown in the figure, a protective device for highway bridges in this embodiment includes a docking structure comprising a central column 14 fixedly connected to the center of the bottom of the inner cavity of the bottom plug-in cylinder 1, and a docking column 7 fixedly connected to the center of the bottom of the column 2. The bottom end of the docking column 7 is provided with a docking hole 6 adapted to the central column 14. Specifically, by including the central column 14 fixedly connected to the center of the bottom of the inner cavity of the bottom plug-in cylinder 1, the docking column 7 fixedly connected to the center of the bottom of the column 2, and the docking hole 6 at the bottom end of the docking column 7 adapted to the central column 14, when the column 2 is installed, the central column 14 is inserted into the docking hole 6 to achieve axial guidance and precise positioning, thereby improving the docking accuracy between the column 2 and the bottom plug-in cylinder 1, enhancing the connection stability and resistance to eccentric loads.

[0025] Each of the four corners of the bottom of the bottom plug-in tube 1 is fixedly connected to a mating sleeve 15, and each of the four corners of the bottom of the column 2 is fixedly connected to a round rod 10 that matches the mating sleeve 15. Specifically, by fixing the mating sleeve 15 to each of the four corners of the bottom of the bottom plug-in tube 1 and the round rod 10 to each of the four corners of the bottom of the column 2, during the insertion of the column 2 into the bottom plug-in tube 1, the four round rods 10 are inserted into the corresponding mating sleeves 15 respectively, forming multi-point guidance and support. This further enhances the connection rigidity and torsional resistance between the column 2 and the bottom plug-in tube 1, preventing swaying or deformation under stress.

[0026] Example 3 Please see Figure 1-5 As shown in this embodiment, a protective device for highway bridges has a base 3 made of metal, and anti-slip pads are fixedly connected to the four corners of the bottom of the base 3. Specifically, by making the base 3 of metal and fixing anti-slip pads to the four corners of its bottom, after the base 3 is installed on the bridge deck by bolts or embedded parts, the metal material provides sufficient structural strength and durability. At the same time, the anti-slip pads are in close contact with the bridge deck, increasing the friction of the contact surface, thus achieving the effect of preventing the base 3 from slipping during long-term use and improving the overall installation reliability of the device.

[0027] The positioning structure includes a positioning plate 12 and a positioning screw 11. The top end of the positioning plate 12 is connected to the side wall of the column 2 via a connecting rod 13. One end of the positioning screw 11 is threaded through the positioning plate 12 and connected to the side wall of the bottom insertion cylinder 1. Specifically, by setting the positioning structure to include a positioning plate 12 and a positioning screw 11, with the top end of the positioning plate 12 connected to the side wall of the column 2 via a connecting rod 13 and one end of the positioning screw 11 threaded through the positioning plate 12 and connected to the side wall of the bottom insertion cylinder 1, after the column 2 is inserted into place, the positioning screw 11 is tightened to press the positioning plate 12 against the outer side wall of the bottom insertion cylinder 1, thereby achieving a detachable radial locking between the column 2 and the bottom insertion cylinder 1, achieving the effect of quick fixing, convenient disassembly, and a firm and reliable connection.

[0028] Several mounting holes 8 are provided on one side of the column 2, which communicate with the insertion holes 9. Each mounting hole 8 is threaded with a connecting screw that connects one end to the side wall of the railing 5. Specifically, by providing several mounting holes 8 on one side of the column 2, which communicate with the insertion holes 9, and each mounting hole 8 is threaded with a connecting screw that connects one end to the side wall of the railing 5, after the railing 5 passes through the insertion holes 9, it is fixed to the column 2 by screwing in the connecting screw, which restricts the axial movement of the railing 5 and enhances the stability of the connection between the railing 5 and the column 2, preventing the railing 5 from coming off or loosening when a vehicle crashes.

[0029] When installing this protective device for highway bridges, the base 3 is first firmly fixed to the designated position on the edge of the bridge using bolts or embedded parts. The base 3 is made of metal and has good strength and durability. Anti-slip pads are fixedly connected to the four corners at its bottom to effectively increase the friction between the device and the bridge surface and prevent slippage during long-term use. The bottom insertion cylinder 1 is fixedly connected to the top of the base 3. The installer lifts the column 2 and aligns it with the opening of the bottom insertion cylinder 1, so that the connecting post 7 at the bottom center of the column 2 is aligned with the center post 14 at the bottom center of the bottom cavity of the bottom insertion cylinder 1. At the same time, the round rods 10 at the four corners at the bottom of the column 2 are respectively aligned with the connecting sleeves 15 at the four corners at the bottom of the bottom of the bottom insertion cylinder 1. Then, the column 2 is inserted downwards, and the center post 14 is smoothly inserted into the connecting hole 6 at the bottom end of the connecting post 7, achieving precise axial positioning. The four round rods 10 are simultaneously inserted into the corresponding connecting sleeves 15, forming multi-point guidance and support to ensure that the column 2 is installed smoothly and accurately. The installation process involves inserting the column 2 into the wall. Once the column 2 is fully inserted, the positioning structure on both sides of the bottom is operated. This involves using the positioning plate 12, which is connected to the side wall of the column 2 via the connecting rod 13. The positioning screw 11, which passes through the positioning plate 12, is then tightened to connect the column 2 to the side wall of the bottom insertion cylinder 1, thereby radially locking the column 2 and preventing it from loosening or detaching under stress. After multiple columns 2 are installed in sequence, one end of the railing 5 is horizontally passed through the insertion hole 9 on the side wall of the adjacent column 2, allowing the railing 5 to pass through multiple columns 2 longitudinally along the bridge, forming a continuous transverse protective structure. Subsequently, a connecting screw is screwed into the mounting hole 8 on one side of the column 2, which connects to the insertion hole 9, so that one end of the connecting screw connects to the side wall of the railing 5, thereby axially fixing the railing 5 and preventing it from shifting or coming off during an impact. Finally, a warning light 4 is installed at the top of the column 2. After power is turned on, it provides an active warning function at night or in low visibility conditions. When it is necessary to disassemble or replace a section, the reverse operation can be performed for quick disassembly, facilitating transportation and maintenance.

[0030] This device is fixedly connected to the bottom plug-in cylinder 1 via the base 3, forming a stable basic structure. The metal base 3, combined with the bottom anti-slip pad, significantly improves the installation's firmness and anti-slip capability. The column 2 is quickly connected to the bottom plug-in cylinder 1 via a docking structure. The cooperation between the central column 14 and the docking hole 6 provides axial positioning and anti-eccentric load capability. The cooperation between the four sets of round rods 10 and the docking sleeve 15 further enhances the connection's rigidity and torsional performance, preventing the column 2 from shaking. The positioning plate 12 and positioning screw 11 in the positioning structure are connected to the column 2 via the connecting rod 13, achieving detachable radial locking. This allows for quick installation, convenient disassembly, and reliable connection. The railing 5 passes through multiple columns 2 via the plug-in hole 9, forming continuous protection. It is then fixed to the side wall of the railing 5 via the connecting screw in the mounting hole 8, significantly improving the connection's stability and preventing the railing 5 from coming off during an impact. The warning light 4 is integrated into the top of the column 2, enhancing the active safety warning function.

[0031] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A protective device for highway bridges, characterized in that, include: Several bottom plug-in tubes, each of which is provided with a column at the top. The bottom end of the column is connected to the inside of the bottom plug-in tube through a docking structure. Both sides of the bottom of the column are provided with positioning structures that can be detachably connected to the side wall of the bottom plug-in tube. The bottom end of the bottom plug tube is fixedly connected to a base. Several plug holes are opened on one side of the column. Several railings are horizontally arranged on the top of the bottom plug tubes. One end of each railing passes through the plug hole of the adjacent column in sequence. A warning light is connected to the top of the column.

2. A protective device for highway bridges according to claim 1, characterized in that, The docking structure includes a central column fixedly connected to the center of the bottom of the bottom insertion cylinder cavity, and a docking column fixedly connected to the center of the bottom of the column. The bottom end of the docking column is provided with a docking hole that matches the central column.

3. A protective device for highway bridges according to claim 1, characterized in that, The base is made of metal, and anti-slip pads are fixedly connected to the four corners of the bottom of the base.

4. A protective device for highway bridges according to claim 2, characterized in that, The bottom of the bottom insertion tube is fixedly connected to the four corners of the bottom with a mating sleeve, and the bottom of the column is fixedly connected to the four corners of the bottom with a round rod that matches the mating sleeve.

5. A protective device for highway bridges according to claim 3, characterized in that, The positioning structure includes a positioning plate and a positioning screw. The top end of the positioning plate is connected to the side wall of the column via a connecting rod, and one end of the positioning screw is threaded through the positioning plate and connected to the side wall of the bottom insertion cylinder.

6. A protective device for highway bridges according to claim 5, characterized in that, The column has several mounting holes on one side that communicate with the insertion holes, and each mounting hole has a connecting screw threaded into it, one end of which is connected to the side wall of the railing.

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