Viaduct wall-crossing type rail car

By designing a cross-wall railcar for the viaduct and utilizing light rail guidance and anti-tipping devices, the problems of traffic congestion and construction deviation during the demolition of the viaduct's crash barrier were solved, achieving efficient and safe construction results.

CN224106282UActive Publication Date: 2026-04-10HENAN BOMIAO WATER TREATMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN BOMIAO WATER TREATMENT CO LTD
Filing Date
2025-02-17
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing technologies require lane closures when dismantling the crash barriers of elevated bridges, causing traffic congestion. Furthermore, the demolition devices are prone to deviation, affecting construction accuracy and safety.

Method used

A viaduct wall-crossing railcar was designed, employing light rail guidance and anti-rollover devices to ensure that the railcar reduces its road width and maintains accuracy when traveling on the viaduct. It is equipped with a cutting head for concrete cutting to prevent the risk of rollover.

Benefits of technology

It reduces traffic disruption, improves construction precision and safety, is suitable for construction environments that do not affect traffic, and enhances construction efficiency and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a viaduct wall-crossing type rail car, which relates to the technical field of rail cars and comprises a rail-mounted breaking car, a light rail and an anti-rollover device, the rail-mounted breaking car comprises a chassis assembly and a car body, the chassis assembly is arranged at the bottom of the car body, and rail wheels and common wheels are respectively mounted on the inner side and the outer side of the chassis assembly. The rail wheels run on the light rail; due to the arrangement of the light rail, when the rail car runs on a viaduct, the whole rail car strides over the anti-collision pier, the wheels on the outer side run on the plane of the cut anti-collision pier on the outermost side, and the wheels on the inner side run on the light rail, so that the actual road occupation width of the rail car during operation can be reduced, and the influence on traffic is reduced; the rail car moves along the rail, deviation is avoided, the accuracy of a broken area is ensured, and the construction efficiency is improved; the anti-rollover device is arranged on the rail car, so that the rail wheels are effectively prevented from being separated from the light rail, the safety in the construction process is guaranteed, and the rollover risk is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rail car, specifically relates to high level bridge across wall type rail car. BACKGROUND

[0002] In the field of urban viaduct construction and maintenance, the crash wall as an important part of the bridge undertakes multiple functions such as protecting the safety of driving vehicles, providing municipal pipeline passages, sound barriers and greening infrastructure. However, with the passage of time and the development of the city, the crash walls of part of the viaduct have aged, and their quality and appearance cannot meet the functional requirements of the design, so it is urgent to demolish and replace the old crash walls. In order to avoid affecting the normal operation of the viaduct when breaking, the current general method is to drive the breaking vehicle on the most edge lane of the viaduct at night or on weekdays to break the crash pier, which can perform the breaking work when the viaduct is in normal operation, but the breaking device still needs to occupy a lane, especially on the viaduct with heavy traffic, which may cause traffic congestion, and when the breaking device advances on the viaduct, it cannot ensure that it can travel in a straight line, and once the deviation occurs, the breaking area will deviate, which will also affect the nearby vehicles. SUMMARY

[0003] In view of the problems existing in the prior art, the utility model provides a high level bridge across wall type rail car, which reduces the interference to normal traffic to the greatest extent by reducing the lane occupation width and accurate track guidance, and ensures the smoothness of the viaduct during construction.

[0004] The utility model adopts the scheme that the technical problems thereof are solved: high level bridge across wall type rail car, including rail breaking vehicle, light rail and anti-rollover device, the rail breaking vehicle includes chassis and car body, and the chassis is arranged at the bottom of the car body, and track wheels and ordinary wheels are arranged on the inner and outer sides of the chassis respectively, the light rail includes single track and cross rail, the cross rails are evenly distributed and vertically abut against the inner side of the crash pier, the single track is fixedly installed at the outer end of the cross rail, and the track wheels travel on the single track, the anti-rollover device includes a mounting seat fixedly installed on the chassis and located on the outer side of the track wheels, and an anti-rollover auxiliary wheel is rotatably sleeved with a shaft rod at the lower end of the mounting seat, the single track is of an I-shaped structure, a guide groove is formed in the upper bottom surface of the single track, and the anti-rollover auxiliary wheel is lapped in the guide groove and is slidably connected with the light rail.

[0005] Further, the track wheels and the ordinary wheels are all driving wheels.

[0006] Further, the track breaking vehicle further comprises a cutter, a lifting mechanism is installed on the front side of the vehicle body, the lifting mechanism is a parallelogram linkage mechanism, a cylinder body is installed on the vehicle body, an output end of the cylinder body is connected with the lifting mechanism, the lifting mechanism is controlled to be lifted, a guide rail support is installed at the front end of the lifting mechanism, and the cutter is installed on the front side of the lifting mechanism through the guide rail support.

[0007] Further, a cutter guard is installed above the cutter, and track type splash guards are installed on the left and right sides of the cutter.

[0008] Compared with the prior art, the utility model has the advantages that:

[0009] The utility model discloses a light rail is arranged, when the track vehicle drives on the viaduct, the track vehicle whole straddles the crash barrier, the outer wheel drives on the most outside cut crash barrier plane, and the inner wheel drives on the light rail, so that the actual width of the track vehicle operation can be reduced, and the influence on the traffic is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is one of the whole structure schematic diagram of the utility model;

[0011] Figure 2 It is the second whole structure schematic diagram of the utility model;

[0012] Figure 3 It is the front view structure schematic diagram of the utility model;

[0013] Figure 4 It is the roadbed and light rail structure schematic diagram of the utility model;

[0014] Figure 5 It is the side view structure schematic diagram of the utility model;

[0015] Figure 6 It is the anti-rollover device structure schematic diagram of the utility model.

[0016] In the diagram: 1. Roadbed; 2. Rail-mounted demolition vehicle; 21. Chassis assembly; 22. Body; 23. Lifting mechanism; 24. Cylinder block; 25. Control box; 26. Rail wheels; 27. Ordinary wheels; 28. Guide rail bracket; 29. ​​Rail-mounted splash guard; 210. Cutter guard; 211. Cutting blade section; 3. Light rail; 31. Single rail; 32. Cross rail; 33. Guide groove; 4. Anti-rollover device; 41. Mounting base; 42. Axle; 43. Anti-rollover auxiliary wheel. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Please see Figures 1-6 This utility model provides a technical solution for a viaduct wall-crossing railcar: Example

[0019] according to Figure 1 , Figure 2 and Figure 3 As shown, the outermost side of the roadbed 1 is the cut-out plane of the crash barrier, and the inner side is the lane of the viaduct. It also includes a rail-mounted demolition vehicle 2 and a light rail 3. The light rail 3 is laid on the inner side of the crash barrier of the roadbed 1, and the rail-mounted demolition vehicle 2 travels on the light rail 3. The rail-mounted demolition vehicle 2 is used to cut and demolish the crash barrier demolition area. The light rail 3 includes a single track 31 and cross rails 32. Multiple cross rails 32 are evenly distributed and perpendicularly abut against the inner side of the crash barrier. The single track 31 is installed and fixed at the outer end of the cross rail 32 and is parallel to the crash barrier and the lane, thus laying a guide rail on the inner side of the crash barrier. The purpose of laying the track is to shorten the width occupied by the equipment, which can reduce the actual width occupied by the existing equipment from 1100mm to 700mm, thereby reducing the occupation of the inner lane. When the rail-mounted demolition vehicle 2 travels on the viaduct, it crosses the crash barrier. The outer wheels travel on the outermost cut plane of the crash barrier, and the inner wheels travel on the light rail 3, ensuring that the road with high traffic volume remains unobstructed and minimizing the impact on the normal passage of traffic on the viaduct. The light rail 3 can guide the travel of the rail-mounted demolition vehicle 2.

[0020] The rail-mounted demolition vehicle 2 includes a chassis 21 and a body 22. The chassis 21 is located at the bottom of the body 22, and rail wheels 26 and ordinary wheels 27 are respectively installed on the inner and outer sides of the chassis 21. The rail wheels 26 are installed on the inner front and rear sides of the rail-mounted demolition vehicle 2 and travel on the light rail 3. The ordinary wheels 27 are installed on the outer front and rear sides of the rail-mounted demolition vehicle 2 and travel on the outermost anti-collision block plane. All four wheels are drive wheels. The rail-mounted demolition vehicle 2 adopts four-wheel synchronous drive, which ensures that the four wheels travel at the same speed and direction, reduces unnecessary swaying, and helps maintain the stability of the vehicle body.

[0021] Since the track breaking vehicle 2 is close to the edge when driving on the viaduct, a rollover prevention device 4 is arranged on the track breaking vehicle 2, as shown in Figure 6 The rollover prevention device 4 includes a mounting seat 41 fixedly installed on the chassis assembly 21, the mounting seat 41 is located outside the track wheel 26, a shaft rod 42 is installed at the lower end of the mounting seat 41 through bolts, and an inner end of the shaft rod 42 is rotatably sleeved with a rollover prevention auxiliary wheel 43; the single track 31 is in an I-shaped structure, a guide groove 33 is formed in the upper bottom surface of the single track 31, the rollover prevention auxiliary wheel 43 is overlapped in the guide groove 33 and is in sliding connection with the light rail 3, through the cooperation of the rollover prevention auxiliary wheel 43 and the guide groove 33, the track wheel 26 can be prevented from being separated from the single track 31, thereby providing the rollover prevention effect for the track breaking vehicle 2 when running, and ensuring the safety of the equipment.

[0022] The track breaking vehicle 2 is mainly used for concrete breaking work of highways and bridges, and also includes a cutter part 211, a lifting mechanism 23 is installed at the front side of the vehicle body 22, the lifting mechanism 23 is a parallelogram linkage mechanism, and a cylinder body 24 is installed on the vehicle body 22, an output end of the cylinder body 24 is connected with the lifting mechanism 23, the lifting mechanism 23 is controlled to be lifted, and then the cutter part 211 in front of the track breaking vehicle 2 is controlled to be lifted, a guide rail support 28 is installed at the front end of the lifting mechanism 23, the cutter part 211 is installed and arranged at the front side of the lifting mechanism 23 through the guide rail support 28, when the track breaking vehicle 2 advances on the viaduct, the cutter part 211 below is the breaking area to be cut, the cutter part 211 cuts in the mode of high-pressure water jet, the cutter part 211 breaks the concrete through the water jet of the spray gun, so as to achieve the purpose of cutting the groove; a cutter guard 210 is installed above the cutter part 211, and in order to avoid splashing on both sides during the cutting process, track anti-splashing covers 29 are installed on both sides of the cutter part 211, the spray gun part and the guard part can be turned up, so as to facilitate checking the breaking condition and replacing the nozzle. A control box 25 is arranged at the rear of the vehicle body 22, and is used for controlling the overall operation of the track vehicle.

[0023] In specific use, the high bridge wall-crossing rail vehicle of the utility model, when the equipment is working, a light rail 3 needs to be laid on the road surface in advance, when laying, first, the cross rail 32 is vertically installed at the edge of the road surface, then the monorail 31 is installed at the outermost end of the cross rail 32 and the monorail 31 is parallel to the road surface, then the track breaking vehicle 2 is controlled to run on the road surface, the left common wheel 27 runs on the cut anti-collision pier plane, the right rail wheel 26 is located on the light rail 3, then the track breaking vehicle 2 runs on the road surface, after the equipment is in place, the cutting device is started to cut the area to be broken on the road surface, the water jet breaks the concrete through the lance part, thereby achieving the purpose of cutting the groove. In addition, for the anti-collision pier on the high bridge, the equipment is close to the outer edge, when the equipment runs on the high bridge, the anti-rollover device 4 can prevent the rail wheel 26 from being separated from the light rail 3, thereby achieving the effect of anti-rollover, and there is no rollover risk during construction.

[0024] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A viaduct wall crossing railcar, characterized by: The rail breaking vehicle (2) comprises a chassis (21) and a vehicle body (22), the chassis (21) is arranged at the bottom of the vehicle body (22), rail wheels (26) and common wheels (27) are arranged on the inner and outer sides of the chassis (21) respectively, the light rail (3) comprises a single rail (31) and a cross rail (32), the cross rails (32) are evenly distributed and vertically abut against the inner side of the crash barrier, the single rail (31) is fixedly arranged at the outer end of the cross rail (32), and the rail wheels (26) run on the single rail (31); the anti-rollover device (4) comprises a mounting seat (41) fixedly arranged on the chassis (21) and located on the outer side of the rail wheels (26), an anti-rollover auxiliary wheel (43) is rotatably sleeved with the shaft rod (42) at the lower end of the mounting seat (41), the single rail (31) is in the shape of an I-beam, a guide groove (33) is arranged on the upper bottom surface of the single rail (31), the anti-rollover auxiliary wheel (43) is overlapped with the guide groove (33) and is in sliding connection with the light rail (3).

2. The overhead bridge-piercing railcar of claim 1, wherein: The rail wheels (26) and the common wheels (27) are driving wheels.

3. The overhead bridge-piercing railcar of claim 1, wherein: The rail breaking vehicle (2) further comprises a cutting knife part (211), a lifting mechanism (23) is arranged on the front side of the vehicle body (22), the lifting mechanism (23) is a parallelogram linkage mechanism, a cylinder body (24) is arranged on the vehicle body (22), the output end of the cylinder body (24) is connected with the lifting mechanism (23), the lifting mechanism (23) is controlled to be lifted, a guide rail support (28) is arranged at the front end of the lifting mechanism (23), and the cutting knife part (211) is arranged on the front side of the lifting mechanism (23) through the guide rail support (28).

4. The overhead bridge-piercing railcar of claim 3, wherein: A cutter guard (210) is arranged above the cutting knife part (211), rail type splash guards (29) are arranged on the left and right sides of the cutting knife part (211), and a control box (25) is arranged at the rear of the vehicle body (22).