Precise intelligent inspection trolley for overhead line system suspension state

An intelligent inspection vehicle with advanced imaging and navigation systems addresses inefficiencies in contact net inspection by enabling automated, high-definition imaging and data management, enhancing safety and reducing costs.

CN223100701UActive Publication Date: 2025-07-15CHENGDU NUOBIKAN TECH CO LTD
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Patent Information

Application Number
CN202422181245.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-07-15
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The existing contact network detection methods are difficult and economically cost-effective, and manual inspections are greatly affected by environmental factors, and the detection data is fragmented and there are security risks.

Method used

A precise intelligent patrol car for the suspension state of the contact network was designed, including walking components, image acquisition components, data processing components and light source components. It uses high-intensity alloy materials and is equipped with a variety of auxiliary positioning technologies to realize automatic patrol and high-definition imaging.

Benefits of technology

It realizes efficient and accurate detection of the suspension status of the contact network, adapts to various environments, improves the degree of automation of inspection, and reduces the risks and economic costs of manual inspection.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a precise intelligent inspection trolley for the suspension state of an overhead line system, belongs to the technical field of rail transit, and aims to solve the technical problems of high detection difficulty and high economic cost in the conventional overhead line system detection mode. The device comprises a vehicle body, a walking assembly, an image acquisition assembly, a data processing assembly and a light source assembly, the walking assembly comprises a plurality of driving wheels and a plurality of driven wheels which are arranged at the bottom of the vehicle body; the plurality of driving wheels are connected with a driving motor; the image acquisition assembly is used for acquiring image information of a target area and transmitting the image information to the data processing assembly; the light source assembly is used for providing light for the image acquisition assembly. The precise intelligent inspection trolley for the suspension state of the overhead line system can intelligently, efficiently and accurately detect the suspension state of the overhead line system. Station branch lines, station yard station tracks, bureau junctions and other lines which are difficult to organize driving are effectively covered.
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Description

Technical Field

[0001] The utility model relates to the technical field of rail transit, and particularly relates to a precise intelligent inspection trolley for the suspension state of an overhead contact line. Background Art

[0002] The railway overhead contact line is in the open air environment for a long time, and climate change is likely to affect the overhead contact line equipment. And during the power supply process of the overhead contact line in contact with the pantograph for a long time, due to friction and vibration, it is extremely easy for parts to become loose and fall off.

[0003] The defect detection of the overhead contact line is an important means to detect the operation state of the overhead contact line. At present, there are two detection methods for the inspection of the overhead contact line and its supporting hanging devices on lines such as connecting lines, yard siding lines, and bureau boundary crossings: manual inspection and inspection vehicle detection. The inspection vehicle inspection has great scheduling difficulty and low economic efficiency. The manual inspection is mainly carried out during the "skylight point", which is greatly affected by environmental factors, highly affected by the ability and responsibility of inspection personnel, the detection data is fragmented and not easy to manage, and there are safety risks for the inspection personnel to operate.

[0004] Therefore, there is an urgent need for a small inspection trolley that can realize automatic inspection and high-definition imaging. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a precise intelligent inspection trolley for the suspension state of an overhead contact line to solve the technical problems of high detection difficulty and high economic cost in the existing overhead contact line detection methods.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A precise intelligent inspection trolley for the suspension state of an overhead contact line provided by the utility model includes a vehicle body, and a traveling component, an image acquisition component, a data processing component, and a light source component respectively arranged on the vehicle body;

[0008] The traveling component includes a plurality of driving wheels and a plurality of driven wheels arranged at the bottom of the vehicle body; the plurality of driving wheels are connected with a driving motor;

[0009] The image acquisition component is used to acquire image information of a target area and transmit it to the data processing component;

[0010] The light source component is used to provide light for the image acquisition component.

[0011] Optionally or preferably, the image acquisition component includes a main camera module, a second camera, and a plurality of hanging camera modules;

[0012] The main camera module includes a first camera, a main camera housing, and a gimbal; the gimbal is fixed to the upper end surface of the vehicle body and is used to support the main camera housing, and the first camera is disposed within the main camera housing and is used to collect image information in front of and / or behind the vehicle body.

[0013] Optionally or preferably, the suspended camera module includes a suspended camera housing and a suspended camera;

[0014] The suspended camera housing is fixed to the upper end surface of the vehicle body, and the suspended camera is disposed within the suspended camera housing and is used to collect image information above the vehicle body.

[0015] Optionally or preferably, the second camera has multiple independent image acquisition channels and is used to collect different image information, and the second camera is disposed at the front end of the vehicle body.

[0016] Optionally or preferably, the light source assembly includes a plurality of lighting lamps one, two, and three;

[0017] The lighting lamp one is disposed on one or both sides of the first camera and is used to provide a lighting source for the first camera;

[0018] The lighting lamp two is disposed on one or both sides of the suspended camera and is used to provide a lighting source for the suspended camera;

[0019] The lighting lamp three is disposed on the front side of the vehicle body.

[0020] Optionally or preferably, support plates are provided on both sides of the vehicle body, and support covers are provided at both ends of the support plates; a plurality of handles are provided on the support plates.

[0021] Optionally or preferably, the traveling assembly further includes a rail-holding wheel; the rail-holding wheel is fixed to the lower part of the vehicle body through a connecting plate.

[0022] Optionally or preferably, a plurality of antennas are provided on the vehicle body, and the antennas are used for communication connection between the vehicle and the outside;

[0023] A laser ranging device is further disposed within the main camera housing.

[0024] Optionally or preferably, a guiding device is further disposed within the vehicle body.

[0025] Optionally or preferably, a working indicator light, a start switch, and a power battery are respectively provided at the rear side of the vehicle body;

[0026] The power battery is used to supply energy to the traveling assembly, the image acquisition assembly, the data processing assembly, and the light source assembly.

[0027] Based on the above technical solutions, the utility model can at least produce the following technical effects:

[0028] A precision intelligent inspection trolley for the catenary suspension state provided by the utility model has a miniaturized design as a whole, is light and can be quickly assembled, and can quickly cover the lines to be detected; the vehicle body is made of high-strength and low-weight alloy materials;

[0029] The image acquisition component can comprehensively collect images on the detection line from multiple directions. In addition, the light source component enables the image acquisition device to complete image acquisition work in complex environments;

[0030] By adopting a variety of auxiliary positioning technologies, automatic inspection operations can be realized, and the walking component, high-precision laser ranging, high-resolution photoelectric encoders, line basic data, etc. provide support for automatic cruise operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is the overall structural schematic diagram of the precision intelligent inspection trolley for the catenary suspension state of the utility model Figure I ;

[0032] Figure 2 is the overall structural schematic diagram of the precision intelligent inspection trolley for the catenary suspension state of the utility model Figure II ;

[0033] Figure 3 is the front view of the precision intelligent inspection trolley for the catenary suspension state of the utility model;

[0034] Figure 4 is the rear view of the precision intelligent inspection trolley for the catenary suspension state of the utility model;

[0035] Figure 5 is the top view of the precision intelligent inspection trolley for the catenary suspension state of the utility model;

[0036] Figure 6 is the bottom view of the precision intelligent inspection trolley for the catenary suspension state of the utility model;

[0037] Figure 7 is the side view of the precision intelligent inspection trolley for the catenary suspension state of the utility model.

[0038] In the figure: 1. Driven wheel; 2. Handle; 3. Support plate; 4. Driving wheel; 5. Emergency stop switch; 6. Second lighting lamp; 7. Antenna; 8. Second camera; 9. Laser ranging device; 10. First camera; 11. Third lighting lamp; 12. Rail-holding wheel; 13. Encoder; 14. Guide device; 15. First lighting lamp; 16. Suspended camera housing; 17. Suspended camera; 18. Support cover; 19. Vehicle body; 20. Connecting plate; 21. Pan-tilt head; 22. Main camera housing; 23. Working indicator light; 24. Start switch; 25. Power battery. Detailed implementation manners

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0040] Embodiment

[0041] Please refer to Figures 1 to 7 , a precision intelligent inspection trolley for the catenary suspension state, which includes a vehicle body 19 made of a high-strength and low-weight alloy material. A walking assembly is provided at the lower part of the vehicle body 19 to realize the walking function of the trolley.

[0042] In this embodiment, the above-mentioned walking assembly includes two driving wheels 4 and two driven wheels 1 located at the bottom of the vehicle body 19; it can be understood that the driving wheels 4 should be connected to the driving motor through a shaft body and a coupling, and the driving motor is powered by the power battery 25.

[0043] In order to enable the trolley to run on the track, in this embodiment, the above-mentioned walking assembly further includes rail-holding wheels 12 and a guide device 14 arranged in the vehicle body 19.

[0044] In this embodiment, the above-mentioned image acquisition assembly includes a main camera module, a second camera 8 and two suspended camera modules; wherein the main camera module is used to collect image information in front of and / or behind the vehicle body 19; the suspended camera module is used to collect image information above the vehicle body 19.

[0045] Specifically, the main camera module includes a first camera 10, a main camera housing 22 and a pan-tilt head 21; wherein the pan-tilt head 21 is fixed to the upper end surface of the vehicle body 19 by bolts and is used to support and stabilize the main camera housing 22. The first camera 10 is arranged in the main camera housing 22. The first camera 10 is a high-definition camera and can collect high-definition pattern information with the assistance of the pan-tilt head 21.

[0046] The above suspension camera module includes two suspension camera housings 16 and two suspension cameras 17 respectively arranged in the two suspension camera housings 16; the two suspension camera housings 16 are respectively arranged on the left and right sides of the upper end surface of the vehicle body 19, so that the lenses of the suspension cameras 17 face upward or tilt toward the center while facing upward.

[0047] In this embodiment, a second camera 8 is arranged on the front side of the vehicle body 19. The second camera 8 has a plurality of independent image acquisition channels and is used to acquire different image information.

[0048] It should be noted that in this embodiment, the front side is based on the moving direction of the trolley on the track, and the moving direction is the front side.

[0049] In order to enable the image acquisition component to maintain the acquisition quality in a complex environment and complete the image acquisition work, in this embodiment, the light source component includes a plurality of first lighting lamps 15, second lighting lamps 6 and third lighting lamps 11; wherein the first lighting lamps 15 are arranged on one or both sides of the first camera 10 and are used to provide a lighting source for the first camera 10; the second lighting lamps 6 are arranged on one or both sides of the suspension camera 17 and are used to provide a lighting source for the suspension camera 17; the third lighting lamps 11 are arranged on the front side of the vehicle body 19 and can be used to provide a lighting source for the second camera 8.

[0050] The precision intelligent inspection trolley for catenary suspension state provided by the utility model adopts a variety of auxiliary positioning technologies and can realize automatic inspection operations; specifically, a plurality of antennas 7 for communicating with external control devices are arranged on the vehicle body 7, a high-resolution optoelectronic encoder 13 is arranged inside the vehicle body 19, and a laser ranging device 9 is also arranged on the main camera housing 22. Through the combination of the above structures and the support of line basic data, etc., the automatic inspection operation of the trolley can be realized.

[0051] In order to facilitate the movement, disassembly and assembly of the trolley, in this embodiment, support plates 3 are further arranged on both sides of the vehicle body 19, support covers 18 are arranged at both ends of the support plates 3, and a plurality of handles 2 are arranged on the support covers 18.

[0052] In addition, a working indicator lamp 23, a start switch 24 and a power battery 25 are respectively arranged on the rear side of the vehicle body 19; the power battery 25 is used to supply energy to the traveling component, the image acquisition component, the data processing component and the light source component.

[0053] For the practical safety and operation safety of the trolley, an emergency stop switch 5 is further arranged on the surface of the vehicle body 19.

[0054] The precision intelligent inspection trolley for the catenary suspension state provided by the utility model, as an intelligent, portable and easy-to-operate detection device, can intelligently, efficiently and accurately detect the catenary suspension state. It can effectively cover the lines where it is not easy to organize train operation, such as the branch lines of stations and sections, the tracks in the station yard, and the junction of bureaus, or the lines that need to be quickly inspected. It can cover all the targets to be detected at one time, such as the contact suspension, the support suspension, the additional suspension, the dropper, the contact wire and the carrier cable, and the pole number. The degree of automation of the inspection is high, and it is suitable for various scenarios such as daytime, night, and different contact wire heights.

[0055] Its specific working process is as follows:

[0056] S1. Create a task: Open the APP on the tablet, input information such as the station yard, track, and pole number, and create task information;

[0057] S2. Set the pan-tilt angle: Set the horizontal angle and the pitch angle to ensure that the shooting target is clearly and completely within the camera's field of view;

[0058] S3. Start the task: Click the start button and follow the trolley forward without any other operations during this period;

[0059] S4. End the task: After the task ends, the task data can be copied and saved, and then the device can be powered off.

[0060] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A precise and intelligent inspection trolley for the catenary suspension state, characterized in that, It includes a vehicle body (19), as well as a traveling assembly, an image acquisition assembly, a data processing assembly, and a light source assembly respectively arranged on the vehicle body (19); The traveling assembly includes a plurality of drive wheels (4) and a plurality of driven wheels (1) arranged at the bottom of the vehicle body (19); the plurality of drive wheels (4) are connected to a drive motor; The image acquisition assembly is used to acquire image information of a target area and transmit it to the data processing assembly; The light source assembly is used to provide a light source for the image acquisition assembly.

2. The precision intelligent inspection trolley for the catenary suspension state according to claim 1, characterized in that The image acquisition assembly includes a main camera module, a second camera (8), and a plurality of suspended camera modules; The main camera module includes a first camera (10), a main camera housing (22), and a pan-tilt head (21); the pan-tilt head (21) is fixed to the upper end surface of the vehicle body (19) and is used to support the main camera housing (22), and the first camera (10) is arranged in the main camera housing (22) and is used to acquire image information in front of and / or behind the vehicle body (19).

3. The precision intelligent inspection trolley for catenary suspension state according to claim 2, characterized in that The suspended camera module includes a suspended camera housing (16) and a suspended camera (17); The suspended camera housing (16) is fixed to the upper end surface of the vehicle body (19), and the suspended camera (17) is arranged in the suspended camera housing (16) and is used to acquire image information above the vehicle body (19).

4. The precision intelligent inspection trolley for catenary suspension state according to claim 2, characterized in that, The second camera (8) has a plurality of independent image acquisition channels and is used to acquire different image information, and the second camera (8) is arranged at the front end of the vehicle body (19).

5. The precision intelligent inspection trolley for the catenary suspension state according to claim 3, wherein The light source assembly includes a plurality of first lighting lamps (15), a second lighting lamp (6), and a third lighting lamp (11); The first lighting lamp (15) is arranged on one side or both sides of the first camera (10) and is used to provide a lighting source for the first camera (10); The second lighting lamp (6) is arranged on one side or both sides of the suspended camera (17) and is used to provide a lighting source for the suspended camera (17); The third lighting lamp (11) is arranged on the front side of the vehicle body (19).

6. The precision intelligent inspection trolley for catenary suspension state according to claim 1, characterized in that, Support plates (3) are arranged on both sides of the vehicle body (19), and support covers (18) are arranged at both ends of the support plates (3); a plurality of handles (2) are arranged on the support plates (3).

7. The precision intelligent inspection trolley for the catenary suspension state according to claim 1, characterized in that, The traveling assembly further includes a rail-clamping wheel (12); the rail-clamping wheel (12) is fixed to the lower part of the vehicle body (19) through a connecting plate (20).

8. The precision intelligent inspection trolley for the catenary suspension state according to claim 2, characterized in that A plurality of antennas (7) are arranged on the vehicle body (19), and the antennas (7) are used for communication connection between the trolley and the outside; A laser ranging device (9) is further arranged in the main camera housing (22).

9. The precision intelligent inspection trolley for catenary suspension state according to claim 1, characterized in that, A guiding device (14) is further arranged inside the vehicle body (19).

10. The precision intelligent inspection trolley for the catenary suspension state according to claim 1, characterized in that, A working indicator lamp (23), a start switch (24), and a power battery (25) are respectively arranged at the rear side of the vehicle body (19); The power battery (25) is used to supply energy to the traveling assembly, the image acquisition assembly, the data processing assembly, and the light source assembly.