Portable safety channel device between bridges

By designing a portable safety passage device between bridges, the problems of inconvenience in carrying and poor stability of safety passage devices during bridge construction have been solved, achieving the requirements of easy installation and efficient and safe construction, and improving construction efficiency and safety.

CN223937002UActive Publication Date: 2026-02-24YONGZHOU HIGHWAY BRIDGE CONSTR CO LTD
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Patent Information

Application Number
CN202520136637.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-02-24
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

In existing bridge construction, the safety passage devices between the left and right bridges are complex to install, inconvenient to carry, and have poor stability, making it difficult to meet the requirements of efficient and safe construction.

Method used

A portable bridge safety passage device was designed, including a base, a side ladder, and a guardrail. The base and the side ladder are fixed by locking components. The side ladder can swing relative to the base to adapt to guardrails of different heights and can be locked quickly. The bottom of the base is equipped with support feet and lifting pads to facilitate support on the road and bridge guardrail. The side ladder can be folded for easy transportation.

Benefits of technology

It is easy to carry and install, improves construction efficiency and safety, adapts to guardrails of different heights, prevents base displacement, and ensures the safety and reliability of the construction process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a portable inter-bridge safety channel device which comprises a base, side ladders and guardrails, the base is used for being supported on the guardrails of roads and bridges, the side ladders are hinged to the two sides of the base and can swing up and down relative to the base, and the guardrails are arranged on the two sides of the base and the two sides of the side ladders; a locking piece is arranged at the joint of the base and the side ladder and is used for fixing the side ladder and the base at a preset angle. According to the utility model, workers can conveniently move between the left and right bridges, and the device is convenient to disassemble and assemble, safe and reliable.
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Description

Technical Field

[0001] This utility model relates to the field of bridge construction safety protection equipment, and in particular to a portable bridge safety passage device. Background Technology

[0002] During bridge construction, especially the paving of asphalt pavement, workers frequently need to move between the left and right spans of the bridge. However, there are often large gaps between the two bridges, increasing the risk of falls from height. Existing safety measures, such as temporary scaffolding or simple ladders, are not only complex to install and lack stability, but are also inconvenient to carry and reuse, failing to meet the requirements of efficient and safe construction. Therefore, there is an urgent need for a compact, portable, and reliable safety passage device between the left and right spans of the bridge. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a portable bridge safety passage device that facilitates worker movement between the left and right spans of a bridge. It is easy to assemble and disassemble, and is safe and reliable.

[0004] To solve the above-mentioned technical problems, this utility model provides a portable bridge safety passage device, including a base, a side ladder, and a guardrail. The base is used to support the guardrail of the road bridge. The side ladder is hinged to both sides of the base and can swing up and down relative to the base. The guardrail is provided on both sides of the base and the side ladder. A locking member is provided at the connection between the base and the side ladder, and the locking member is used to fix the side ladder and the base at a predetermined angle.

[0005] As an improvement to the above solution, the locking component includes a groove plate provided on the side of the base, the groove plate having an arc-shaped groove; the side ladder is provided with an adjusting nut, the adjusting nut being located in the arc-shaped groove, which can fix the side ladder at a predetermined angle in the arc-shaped groove.

[0006] As an improvement to the above solution, the base is formed by connecting a first base plate and a second base plate through a first hinge, wherein the first hinge is located at the bottom of the first base plate and the second base plate.

[0007] As an improvement to the above solution, the first base plate is provided with a locking buckle on its side, and the second base plate is provided with a corresponding protrusion. The locking buckle can hook the protrusion to fix the first base plate and the second base plate.

[0008] As an improvement to the above solution, the side ladder includes a first vertical sleeve, a first tread, a second vertical sleeve, and a second tread. The two first vertical sleeves are arranged in parallel, and the first tread is located between the first vertical sleeves. The two second vertical sleeves are arranged in parallel, and the second tread is located between the second vertical sleeves. The second vertical sleeve is sleeved on the first vertical sleeve, and the first vertical sleeve and the second vertical sleeve are fixed by a telescopic positioning pin.

[0009] As an improvement to the above solution, the base is provided with a support foot at the bottom, and the support foot is provided with a lifting pad at the bottom.

[0010] As an improvement to the above solution, the guardrail includes a lifting guardrail installed on the side ladder and a hinged guardrail installed on the base.

[0011] As an improvement to the above solution, the lifting guardrail includes a first railing and a second railing hinged to the first vertical sleeve, with a sliding connecting block between the first railing and the second railing; a third railing is provided at the top of the first railing and the second railing, and the third railing is parallel to the first vertical sleeve.

[0012] As an improvement to the above solution, the hinged guardrail is connected to the base via a hinged seat.

[0013] As an improvement to the above solution, the bottom of the side ladder is provided with an anti-slip mat, and the hinged guardrail is provided with a warning sign.

[0014] Implementing this utility model has the following beneficial effects:

[0015] This safety passage can be moved or stored by folding the base and side ladder for easy transport and storage. In use, the base can be supported on the guardrail of a road or bridge, while the side ladder facilitates worker access and also serves as a limiter for the base, abutting against the side of the guardrail to prevent misalignment. The side ladder can swing relative to the base to accommodate guardrails of different heights, and can be quickly and reliably secured to the base using locking mechanisms for easy storage and opening. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the working state of a portable bridge safety passage device according to this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a portable bridge safety passage device according to this utility model;

[0018] Figure 3 yes Figure 2 Enlarged view of part A;

[0019] Figure 4This is a structural schematic diagram of the locking component of this utility model. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0021] like Figures 1-4 As shown in the figure, a specific embodiment of this utility model provides a portable bridge safety passage device, including a base 1, a side ladder 2, and a guardrail 3. The base 1 is used to support the guardrail 3 of the road bridge. The side ladder 2 is hinged to both sides of the base 1 and can swing up and down relative to the base 1. The guardrail 3 is provided on both sides of the base 1 and the side ladder 2. A locking member 4 is provided at the connection between the base 1 and the side ladder 2. The locking member 4 is used to fix the side ladder 2 and the base 1 at a predetermined angle.

[0022] Using the above solution, the base 1 and side ladder 2 can be folded when moving or storing this safety passage, facilitating transportation and storage. In use, the base 1 can be supported on the guardrail 3 of the road or bridge. The side ladder 2 facilitates worker access and also serves as a limit for the base 1, abutting against the side of the guardrail 3 to prevent misalignment. The side ladder 2 can swing relative to the base 1 to accommodate guardrails 3 of different heights. The side ladder 2 can be quickly and reliably fixed to the base 1 using locking components 4, facilitating storage and opening.

[0023] Preferably, the locking member 4 includes a groove plate 41 disposed on the side of the base 1, the groove plate 41 having an arc-shaped groove 42; the side ladder 2 is provided with an adjusting nut 43, the adjusting nut 43 being disposed in the arc-shaped groove 42, which can fix the side ladder 2 at a predetermined angle in the arc-shaped groove 42.

[0024] In some specific embodiments, the base 1 is composed of a single piece of iron plate to increase its strength; in other embodiments, the base 1 is formed by connecting a first base plate 11 and a second base plate 12 via a first hinge 13, the first hinge 13 being located at the bottom of the first base plate 11 and the second base plate 12. A locking buckle 14 is provided on the side of the first base plate 11, and a corresponding protrusion 15 is provided on the second base plate 12. The locking buckle 14 can hook onto the protrusion 15, fixing the first base plate 11 and the second base plate 12.

[0025] The side ladder 2 includes a first vertical sleeve 21, a first step 22, a second vertical sleeve 23, and a second step 24. The two first vertical sleeves 21 are arranged parallel to each other, with the first step 22 positioned between them. The two second vertical sleeves 23 are arranged parallel to each other, with the second step 24 positioned between them. The first vertical sleeves 21 are connected to the base 1 via a second hinge 25. The second vertical sleeves 23 are fitted onto the first vertical sleeves 21, and the first and second vertical sleeves 21 are fixed together by telescopic positioning pins 25. The first and second vertical sleeves 21 and 23 can extend and retract relative to each other to adjust the length of the side ladder 2, meeting the length requirements of different situations. The bottom of the second vertical sleeve 23 is provided with an anti-slip pad to firmly fix the ladder to the ground and prevent wobbling. Simultaneously, the folding and telescopic function of the ladder ensures that it does not hinder construction during asphalt pavement work.

[0026] Preferably, the base 1 has a support leg 16 at its bottom, and a lifting pad 17 is provided at the bottom of the support leg 16. The lifting pad 17 is connected to the support leg 16 by a threaded structure. By rotating the lifting pad 17, the overall height of the support leg 16 can be adjusted to level the base 1 and ensure it is in close contact with the top surface of the guardrail 3. Four brake-type rollers can also be installed at the four corners of the base plate. The rollers are made of wear-resistant rubber and can withstand significant weight, ensuring the base 1's ease of movement on the bridge surface. The rollers are equipped with braking devices, which can be fixed by pressing the brake pedal.

[0027] Preferably, the guardrail 3 includes a lifting guardrail 31 mounted on the side ladder 2 and a hinged guardrail 32 mounted on the base 1. The lifting guardrail 31 includes a first railing 311 and a second railing 312 hinged to the first vertical sleeve 21, with a sliding connecting block 313 between the first railing 311 and the second railing 312; a third railing 314 is provided at the top of the first railing 311 and the second railing 312, and the third railing 314 is parallel to the first vertical sleeve 21. The hinged guardrail 32 is connected to the base 1 via a hinge seat 33. By pulling up the third railing 314, the lifting guardrail 31 can be raised to a predetermined height, and the sliding connecting block 313 can lock the first railing 311 and the second railing 312 relative to each other.

[0028] The articulated guardrail 32 is equipped with a warning sign 34 to remind users to pay attention to safety. The main body of the safety passage device can be equipped with reflective markings and LED lighting to ensure safety during nighttime construction. In addition, the articulated guardrail 32 is also provided with mounting slots for temporary signs and markers, which can be used to fix temporary signs and markers to the articulated guardrail 32, facilitating the installation of different temporary signs and markers as needed.

[0029] As can be seen from the above description of the specific embodiments, the portable bridge safety passage device of this utility model has the characteristics of compact structure, easy carrying, multiple functions, and safety and reliability. In actual construction, it can significantly improve construction efficiency and personnel safety, and has important application value.

[0030] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this invention, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. A portable inter-bridge safety passage device, characterized in that, Includes base, side ladder and guardrail, The base is used to support the guardrail of the road and bridge. The side ladder is hinged to both sides of the base and can swing up and down relative to the base; the guardrail is provided on both sides of the base and the side ladder. A locking element is provided at the connection between the base and the side ladder, which is used to fix the side ladder and the base at a predetermined angle.

2. The portable inter-bridge safety passage device as described in claim 1, characterized in that, The locking component includes a groove plate on the side of the base, the groove plate having an arc-shaped groove; the side ladder is provided with an adjusting nut, the adjusting nut being located in the arc-shaped groove, which can fix the side ladder at a predetermined angle in the arc-shaped groove.

3. The portable inter-bridge safety passage device as described in claim 1, characterized in that, The base is formed by connecting a first base plate and a second base plate through a first hinge, with the first hinge located at the bottom of the first base plate and the second base plate.

4. The portable inter-bridge safety passage device as described in claim 3, characterized in that, The first base plate has a locking buckle on its side, and the second base plate has a corresponding protrusion. The locking buckle can hook the protrusion to fix the first base plate and the second base plate.

5. The portable inter-bridge safety passage device as described in claim 1, characterized in that, The side ladder includes a first vertical sleeve, a first step, a second vertical sleeve, and a second step. The two first vertical sleeves are arranged in parallel, and the first step is located between the first vertical sleeves. The two second vertical sleeves are arranged in parallel, and the second step is located between the second vertical sleeves. The second vertical sleeve is sleeved on the first vertical sleeve, and the first vertical sleeve and the second vertical sleeve are fixed by a telescopic positioning pin.

6. The portable inter-bridge safety passage device as described in claim 1, characterized in that, The base is provided with support legs at the bottom, and lifting pads are provided at the bottom of the support legs.

7. The portable inter-bridge safety passage device as described in claim 1, characterized in that, The guardrail includes a lifting guardrail installed on the side ladder and a hinged guardrail installed on the base.

8. The portable inter-bridge safety passage device as described in claim 7, characterized in that, The lifting guardrail includes a first railing and a second railing hinged to the first vertical sleeve, with a sliding connecting block between the first railing and the second railing; a third railing is provided at the top of the first railing and the second railing, and the third railing is parallel to the first vertical sleeve.

9. The portable inter-bridge safety passage device as described in claim 7, characterized in that, The hinged guardrail is connected to the base via a hinged seat.

10. The portable inter-bridge safety passage device as described in claim 7, characterized in that, The bottom of the side ladder is equipped with an anti-slip mat, and the hinged guardrail is equipped with a warning sign.