Railway box girder bridge floor protection wall maintenance auxiliary device

By designing an auxiliary device for the maintenance of protective walls on railway box girder bridge decks, and using an angle iron frame structure to fix the geotextile, the problem of geotextile displacement was solved, and the protective wall was protected during construction, achieving stable maintenance and protection effects.

CN223907344UActive Publication Date: 2026-02-13CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1
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Patent Information

Application Number
CN202520342914.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-13
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

In existing technologies, the geotextile of the protective wall on the railway box girder bridge deck is not securely fixed and is prone to displacement or slippage. Furthermore, the finished protective wall lacks protection during construction, affecting the maintenance effect and safety.

Method used

An auxiliary device for the maintenance of protective walls on railway box girder bridge decks was designed. It adopts four sets of connecting frames, end connecting strips, middle connecting strips, and top and bottom connecting hinges. Geotextile is fixed through an angle iron frame structure, and buffer protection is provided during construction.

Benefits of technology

Effectively fix the geotextile in place, prevent displacement, reduce the risk of damage to the retaining wall during construction, and ensure that maintenance work is carried out continuously and effectively.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bridge floor protection equipment, in particular to a railway box girder bridge floor protection wall maintenance auxiliary device, and relates to the technical field of railway box girder bridge floor protection. Middle section connecting strips are arranged between the opposite ends of the two sets of connecting frames located in the middle, the ends of the two adjacent sets of connecting frames on the two sides are connected through top connecting hinges, and the bottoms of the two adjacent sets of connecting frames in the middle are connected through bottom connecting hinges. After the geotechnical cloth covers the surface of a protective wall, the device is placed on the geotechnical cloth, the geotechnical cloth is limited through the frame shape, the geotechnical cloth is prevented from being blown up by wind or shifting due to other external force, a certain friction force is formed between the angle iron frame and the surface of the protective wall, and the protective wall is prevented from being damaged. The position of the geotechnical cloth can be effectively fixed, and continuous and effective maintenance operation is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge deck protection equipment technical field, concretely relates to a railway box girder bridge deck protection wall maintenance auxiliary device. BACKGROUND

[0002] After the railway box girder bridge deck protection wall construction is completed, maintenance work is crucial, through timely, effective maintenance, can prevent the generation of concrete surface crack, avoid the material deterioration caused by environmental factors, thereby prolong the service life of protection wall, and maintenance measures usually include covering moisture, control demolishing time, surface treatment and expansion joint treatment.

[0003] But in the prior art, the traditional maintenance mode lacks effective means in geotextile fixing, often causes geotextile displacement, slide, and influences maintenance effect.Meanwhile, in the subsequent construction process, the finished product of the protection wall built is vulnerable to collision, scratch and other damages, lacks special protection device, for this, we provide a railway box girder bridge deck protection wall maintenance auxiliary device to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to solve the technical problems existing in the prior art, the utility model provides a railway box girder bridge deck protection wall maintenance auxiliary device.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a railway box girder bridge deck protection wall maintenance auxiliary device, including four groups of connection frames arranged in sequence, the end of two groups of connection frames located at both ends is provided with end connecting strip, the opposite ends of two groups of connection frames located in the middle are provided with middle segment connecting strip, the end of two adjacent groups of connection frames on both sides is connected through the top connecting hinge, the bottom of two adjacent groups of connection frames in the middle is connected through the bottom connecting hinge, the top connecting hinge and bottom connecting hinge are provided with connecting pivot in.

[0006] Preferably, the connection frame selects angle iron material, and the cross section of the end connecting strip is triangular.

[0007] Preferably, two groups of middle segment connecting strips are respectively arranged on the top of the opposite ends of two groups of connection frames, the cross section of the middle segment connecting strip is right triangle, and the two sides of two groups of middle segment connecting strips are abutted.

[0008] Preferably, two groups of top connecting hinges are respectively arranged on the two sides of the middle segment connecting strip in a symmetrical manner, and the top connecting hinge comprises an outer connecting plate and an inner connecting plate.

[0009] Preferably, the outer connecting plate and the inner connecting plate are respectively fixed on the top of the opposite ends of two adjacent groups of connection frames, and the connecting pivot for rotary connection is installed in the middle of the outer connecting plate and the inner connecting plate.

[0010] Preferably, the bottom connecting hinge is installed at the corresponding position of the middle connecting strip of the bottom of the connecting frame, and the bottom connecting hinge comprises an outer plug-in plate and an inner plug-in plate.

[0011] Preferably, the outer plug-in plate and the inner plug-in plate are respectively plug-in installed in the slots of the two adjacent connecting frame bottoms, and the ends of the outer plug-in plate and the inner plug-in plate are provided with a connecting rotating shaft.

[0012] Preferably, the bottom of the connecting frame is further provided with a plurality of groups of reinforcing ribs, and the plurality of groups of reinforcing ribs are fixed to the inner side of the connecting frame angle iron at equal intervals.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a connecting frame, a terminal connecting strip, a middle connecting strip, a top connecting hinge, a bottom connecting hinge and a connecting rotating shaft, the connecting frame is provided with four groups, and every two connecting frames form a group, the terminal connecting strip and the middle connecting strip are fixed at the top of the connecting frame, four connecting frames are combined into the main structure of the protection device through the top connecting hinge and the bottom connecting hinge, the long strip-shaped angle iron frame structure formed by the connecting frame, the terminal connecting strip and the middle connecting strip, after the geotechnical cloth is covered on the surface of the protective wall, the device is directly placed on the geotechnical cloth, the geotechnical cloth is positioned by the weight and the frame shape of the angle iron, the geotechnical cloth is prevented from being blown up or displaced due to other external forces, the angle iron frame and the surface of the protective wall form a certain friction force, the position of the geotechnical cloth can be effectively fixed, and the continuous and effective maintenance operation is ensured.

[0015] 2. The utility model discloses a connecting rotating shaft is connected with the outer connecting plate and the inner connecting plate, the top connecting hinge can be folded, and then the two combined connecting frames can be folded and stored, the middle positions of the two connecting frames are combined and fixed through the bottom connecting hinge, the two connecting frames can be separated through the bottom connecting hinge, and transportation is facilitated.

[0016] 3. The utility model discloses a connecting rotating shaft, and the outer plug-in plate and the inner plug-in plate can be folded, so that the connecting frame can be folded and stored when the bottom connecting hinge is installed, the angle iron structure of the two connecting frames is fixed through the reinforcing rib, the connecting frame is prevented from shaking and deforming, the device is covered on the surface of the protective wall, and the angle iron structure can resist the collision and scraping of external objects on the protective wall to a certain extent. In the subsequent construction process, when other constructors or equipment are close to the protective wall, the device plays a buffering and blocking role, reduces the risk of damage of the protective wall, and realizes the protection function of the finished product of the protective wall. DRAWINGS

[0017] Figure 1A three-dimensional structure schematic view of the utility model;

[0018] Figure 2 A three-dimensional structure schematic view of the bottom of the utility model;

[0019] Figure 3 A three-dimensional structure schematic view of the top connecting hinge of the utility model;

[0020] Figure 4 A three-dimensional structure schematic view of the bottom connecting hinge of the utility model;

[0021] Figure 5 A three-dimensional structure schematic view of the end of the utility model.

[0022] Figures in the figure represent:

[0023] 1, connecting frame, 2, end connecting strip, 3, middle connecting strip, 4, top connecting hinge, 41, outer connecting plate, 42, inner connecting plate, 5, bottom connecting hinge, 51, outer plug-in plate, 52, inner plug-in plate, 6, reinforcing rib. DETAILED DESCRIPTION

[0024] The above and other technical features and advantages of the utility model will be further described in conjunction with the drawings and examples, but the following examples are only preferred embodiments of the utility model, not all.

[0025] Embodiment:

[0026] As Figure 1 - Figure 5 Indicated, the utility model provides a kind of railway box girder bridge deck protective wall maintenance auxiliary device, including four groups of connecting frame 1 in turn, the end of the two groups of connecting frame 1 located at both ends is provided with end connecting strip 2, the opposite end between the two groups of connecting frame 1 located in middle part is provided with middle connecting strip 3, the end between the two adjacent groups of connecting frame 1 of both sides is connected by being provided with top connecting hinge 4, the bottom between the two adjacent groups of connecting frame 1 in middle part is connected by being provided with bottom connecting hinge 5, and connecting shaft is provided in the top connecting hinge 4 and bottom connecting hinge 5, four groups of connecting frame 1 can be unfolded and maintain unfolded state under the cooperation of top connecting hinge 4 and bottom connecting hinge 5;

[0027] Through the structural characteristics of angle iron frame, after covering geotextile on the surface of protective wall, directly place the device on geotextile, limit geotextile using the weight and frame shape of angle iron, prevent it from being blown up or displaced due to other external force, angle iron frame and the surface of protective wall form certain friction, can effectively fix the position of geotextile, ensure the continuous and effective performance of maintenance operation.

[0028] The connecting frame 1 is made of angle iron, and the cross section of the end connecting strip 2 is triangular.

[0029] The middle connecting strips 3 are provided in two groups, and the two groups of middle connecting strips 3 are arranged at the top of the opposite ends of the two groups of connecting frames 1, respectively.

[0030] The top connecting hinges 4 are provided in two groups, and the two groups of top connecting hinges 4 are symmetrically arranged at the two sides of the middle connecting strips 3, respectively.

[0031] The outer connecting plates 41 and the inner connecting plates 42 are fixed at the top of the adjacent two groups of connecting frames 1, respectively.

[0032] The bottom connecting hinges 5 are installed at the bottom of the connecting frames 1 corresponding to the positions of the middle connecting strips 3.

[0033] The outer insertion plates 51 and the inner insertion plates 52 are insertedly installed in the insertion slots at the bottom of the adjacent two connecting frames 1, respectively.

[0034] The connecting frame 1 is further provided with a plurality of groups of reinforcing ribs 6.

[0035] The above is only the preferred embodiment of the present application, which is only illustrative but not limiting. The skilled person understands that many changes, modifications and even equivalents can be made to the present application within the spirit and scope of the present application, but all will fall within the protection scope of the present application.

Claims

1. An auxiliary device for the maintenance of protective walls on railway box girder bridge decks, comprising four sets of connecting frames arranged in sequence, characterized in that: Both ends of the two sets of connecting frames are provided with end connecting strips, and the two sets of connecting frames in the middle are provided with middle connecting strips between their opposite ends. The ends of two adjacent sets of connecting frames on both sides are connected by a top connecting hinge, and the bottoms of two adjacent sets of connecting frames in the middle are connected by a bottom connecting hinge. Both the top connecting hinge and the bottom connecting hinge are provided with connecting shafts. The four connecting frames can be deployed and maintained in the deployed state with the cooperation of the top connecting hinge and the bottom connecting hinge.

2. The auxiliary device for maintenance of protective walls on railway box girder bridge decks according to claim 1, characterized in that: The connecting frame is made of angle iron, and the cross-section of the end connecting strip is set as a triangle.

3. The auxiliary device for maintenance of protective walls on railway box girder bridge decks according to claim 1, characterized in that: The two sets of middle connecting strips are respectively disposed at the top of the opposite ends of the two sets of connecting frames. The cross-section of the middle connecting strip is a right triangle, and the two sides of the two sets of middle connecting strips abut each other.

4. The auxiliary device for maintenance of protective walls on railway box girder bridge decks according to claim 1, characterized in that: The two sets of top connecting hinges are symmetrically arranged on both sides of the middle connecting strip, and the top connecting hinges include an outer connecting plate and an inner connecting plate.

5. The auxiliary device for maintenance of protective walls on railway box girder bridge decks according to claim 4, characterized in that: The outer connecting plate and the inner connecting plate are respectively fixed to the top of the opposite ends of two adjacent sets of connecting frames, and a connecting shaft for rotatable connection is inserted between the outer connecting plate and the inner connecting plate.

6. The auxiliary device for maintenance of protective walls on railway box girder bridge decks according to claim 1, characterized in that: The bottom connecting hinge is installed at the bottom of the connecting frame at the position corresponding to the middle connecting strip. The bottom connecting hinge includes an outer insert plate and an inner insert plate.

7. The auxiliary device for maintenance of protective walls on railway box girder bridge decks according to claim 6, characterized in that: The outer and inner connector plates are respectively inserted into the slots at the bottom of two adjacent connector frames, and connecting shafts are inserted and installed at the ends of the outer and inner connector plates.

8. The auxiliary device for maintenance of protective walls on railway box girder bridge decks according to claim 1, characterized in that: The bottom of the connecting frame is also provided with several sets of reinforcing ribs, which are fixed at equal intervals to the inner side of the angle iron of the connecting frame.