Device for CQI analysis of overhead line system

By designing a device for contact network CQI analysis, contact network data can be collected and analyzed in real time, and problems of large amount of data and complex manual analysis in the prior art are solved, and efficient contact network quality monitoring and analysis are achieved.

CN222505229UActive Publication Date: 2025-02-18ZHEJIANG JINWEN RAILWAY DEV
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Patent Information

Application Number
CN202421379754.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-02-18
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

The data volume of the existing contact network static quality index CQI is huge, manual analysis is complex, real-time data replacement is required during detection, and the operation is cumbersome, which affects the efficiency of the system use.

Method used

A device for CQI analysis of contact networks is designed, including a data acquisition box, walking arms, mileage measuring instrument, gauge measuring instrument, camera and operating screen, through these components, the geometric parameters and static mass of contact networks are collected and analyzed in real time. Data, automatically update data and calculate CQI score.

Benefits of technology

It realizes efficient geometric measurement of the contact network and real-time data replacement, improves the efficiency of the quality monitoring system, simplifies the operation process, and reduces the complexity of manual analysis.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device for analyzing CQI (Channel Quality Indicator) of a contact network, which comprises a connecting table, a data acquisition box and a traveling arm are arranged on the connecting table, traveling wheels are respectively arranged on the traveling arm, one traveling wheel is provided with a mileage measuring instrument, the other traveling wheel is provided with a track gauge measuring instrument, and the distance measuring instrument is connected with the data acquisition box and the traveling arm. A connecting base is further rotationally arranged on the connecting table, a supporting rod is arranged on the connecting base in a swinging mode, an operation screen is connected to the end of the supporting rod, a connecting hole is formed in the position, on one side of the connecting base, of the connecting table, a bearing rod is inserted into the connecting hole in a matched mode, and a telescopic rod and a driving piece are further matched with the bearing rod; a connecting beam is arranged at the end of the telescopic rod, cameras are arranged at the ends of the connecting beam respectively, and the cameras, the gauge measuring instrument and the mileage measuring instrument are in communication connection with the data acquisition box. Geometric quantity measurement can be effectively carried out on the overhead line system, data can be replaced in real time, and the use effect of the quality monitoring system is ensured.
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Description

Technical Field

[0001] The utility model relates to a device for contact network CQI analysis. Background Art

[0002] The National Railway Group has three indices for the quality evaluation of contact network equipment, namely the contact network quality rate, the contact network dynamic quality index CDI and the static quality index CQI. The National Railway obtains dynamic data of the contact network by running inspection vehicles every quarter, determines the section contact network quality rate through 6C analysis, and comprehensively evaluates the dynamic performance of the contact network. The static geometric parameters of the contact network are obtained by manual measurement using a laser detector, and the inspection cycle is generally 12 months. However, through the understanding of the existing power supply section, due to the huge amount of data required for the contact network static quality index CQI and the complexity of manual analysis, and during the inspection, it is necessary to replace the past data with the real-time data, the operation is cumbersome, affecting the efficiency of system use. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a device for contact network CQI analysis, which can effectively measure the geometric quantities of the contact network and replace the data in real time to ensure the use effect of the quality monitoring system.

[0004] To achieve the above-mentioned purpose, the utility model provides a device for contact network CQI analysis, including a connecting platform, a data acquisition box is arranged on the connecting platform, walking arms are arranged on the four corner edges of the connecting platform, and walking wheels are respectively arranged on the walking arms, one of the walking wheels is provided with an odometer, and the other walking wheel is provided with a gauge meter, the gauge meter and the odometer are respectively communicatively connected with the data acquisition box, a connecting seat is also rotatably arranged on the connecting platform, a support rod is swingably arranged on the connecting seat, an operation screen is connected to the end of the support rod, a connecting hole is arranged on one side of the connecting seat on the connecting platform, a bearing rod is plugged into the connecting hole, the bearing rod is also matched with a telescopic rod and a driving member for driving the telescopic rod to extend or retract the bearing rod, a connecting beam is arranged at the end of the telescopic rod, cameras are respectively arranged at the ends of the connecting beam, and the cameras are communicatively connected with the data acquisition box.

[0005] The beneficial effect of such a setting is that, with such a setting, the movement of the whole mechanism can obtain movement information through the mileage meter, including distance and position information on the corresponding track, and the gauge can be obtained in real time through the gauge meter, and the information is combined and sent to the data acquisition box. At the same time, at each position or during the movement, the telescopic rod can be driven up and down by the driving part. The driving part here is preferably selected as the cylinder, which can operate stably, so that the position of the connecting beam can be adjusted according to different needs, so that the customs camera records the contact network parameters of the section position, and sends the parameters to the data acquisition box. The data acquisition box can update the data in real time and pass it to the contact network static quality monitoring system. The system can automatically query the preset database or standard file according to the imported pole number information, determine the standard value of the guide height and pull-out value corresponding to each contact network pillar, and then mark these out-of-range values ​​according to the refreshed values. The over-standard, warning, and over-limit data are highlighted in different colors for users to quickly identify, and according to the CQI calculation model, through the system's built-in based on "Q_CR 842-2021 Contact Network Static Detection Evaluation Method" can calculate the difference between the actual measurement value and the standard value based on the refreshed parameter information, automatically calculate the CQI score of each evaluation unit and the four CQI components. The system can also conduct in-depth statistical analysis based on the calculated data information, including value exceeding the standard, value warning, value exceeding the limit, etc., to help users fully understand the data distribution. At the same time, the overall structure is compact, and the parameters can be viewed in real time through the operation screen, which is convenient for timely detection of problems and intervention to ensure the stability of the contact network.

[0006] As a further configuration of the utility model, the operation screen is rotatably connected to the support rod through a mounting seat, mounting grooves are provided on both sides of the mounting seat, a connecting ball head is rotatably fitted in the mounting groove, and a support arm is connected to the connecting ball head.

[0007] The beneficial effect of such a setting is that with such a setting, the support arm can be rotated to both sides through the support arm, which is convenient for holding the cart and operating it to assist the vehicle in moving. At the same time, the support arm can also be actively moved to the front position to facilitate the placement of the table top. By placing a mouse or keyboard on the table top to record operations, the convenience of structural operation is increased. At the same time, the structure is simple, easy to implement, and has a good use effect.

[0008] As a further configuration of the utility model, a connecting flange is provided on the outer peripheral wall of the connecting seat, an arc-shaped groove is provided on the connecting flange, a fastening hole is provided on the connecting platform in the circumferential direction of the connecting seat, a fastening screw is matched in the arc-shaped groove, and the fastening screw passes through the arc-shaped groove and cooperates with the thread of the fastening hole to form a limit on the rotation of the connecting seat.

[0009] The beneficial effect of such arrangement is that such arrangement facilitates the limiting of the connection seat after rotation, facilitates operation and positioning, and at the same time has a simple structure, is easy to implement, and is convenient to operate. Through the arc groove, it can meet the positioning in various angles and directions, and has a good use effect.

[0010] As a further configuration of the utility model, a positioning seat is further provided on the connecting platform, a clamping groove is provided on the positioning seat, and the support rod is clamped in the clamping groove.

[0011] The beneficial effect of such arrangement is that the operation screen can be effectively folded and positioned, which is more convenient for transportation and reduces the floor space. At the same time, the connection is reliable, looseness is avoided, and the stability of the structure is ensured.

[0012] As a further configuration of the utility model, a power pin is provided in the connecting hole, a power socket is provided on the bottom surface of the bearing rod, and a power outlet is provided on the bottom surface of the driving member at a position corresponding to the power socket. The power pin is inserted into the power socket and cooperates with the power outlet to supply power to the driving member.

[0013] The beneficial effect of such a setting is that such a setting makes it easy for the drive to draw power, and at the same time it is simple, convenient for drawing power, and very convenient for connection. Through the coordination of the power pins and the sockets, the reliability of the connection is further guaranteed, it has a fool-proof effect, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0015] Figure 2 This is a partial enlarged view of the position of the connecting seat in the embodiment of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the load-bearing rod in the embodiment of the utility model. DETAILED DESCRIPTION

[0017] The implementation example of the device for contact network CQI analysis of the utility model is as follows: Figures 1 to 3As shown: it includes a connecting platform 1, on which a data acquisition box 3 is arranged, walking arms 2 are arranged at the four corners of the connecting platform 1, and walking wheels 21 are respectively arranged on the walking arms 2, one of the walking wheels 21 is provided with an odometer, and the other walking wheel 21 is provided with a gauge meter, and the gauge meter and the odometer are respectively connected to the data acquisition box 3 for communication, and a connecting seat 4 is also rotatably arranged on the connecting platform 1, and a support rod 5 is swingably arranged on the connecting seat 4, and an operation screen 51 is connected to the end of the support rod 5, and a connecting hole 11 is provided on one side of the connecting seat 4 on the connecting platform 1, and a bearing rod 7 is plugged into the connecting hole 11, and the bearing rod 7 is also matched with a telescopic rod 8 and a driving member for driving the telescopic rod 8 to extend or retract the bearing rod 7, and a connecting beam 81 is provided at the end of the telescopic rod 8, and cameras 82 are respectively provided at the ends of the connecting beam 81, and the camera 82 is connected to the data acquisition box 3 for communication. The beneficial effect of such arrangement is as follows: in such arrangement, the movement of the whole mechanism can obtain movement information, including distance and position information on the corresponding track, through the mileage meter, and the gauge can be obtained in real time through the gauge meter, and these information can be combined and sent to the data acquisition box 3. At the same time, at each position or during the movement, the telescopic rod 8 can be driven up and down by the driving member. The driving member here is preferably selected as a cylinder, which can operate stably, so that the position of the connecting beam 81 can be adjusted according to different needs, so that the camera 82 can record the contact network parameters of the section position, and send the parameters to the data acquisition box 3. The data acquisition box 3 can update the data in real time and pass it to the contact network static quality monitoring system. The system can automatically query the preset database or standard file according to the imported pole number information, determine the standard value of the guide height and pull-out value corresponding to each contact network pillar, and then mark these out-of-range values ​​according to the refreshed values. The over-standard, warning, and over-limit data are highlighted in different colors for users to quickly identify, and according to the CQI calculation model, through the system's built-in based on "Q_CR 842-2021 Contact Network Static Detection Evaluation Method" can calculate the difference between the actual measurement value and the standard value based on the refreshed parameter information, automatically calculate the CQI score of each evaluation unit and the four CQI components. The system can also conduct in-depth statistical analysis based on the calculated data information, including value exceeding the standard, value warning, value exceeding the limit, etc., to help users fully understand the data distribution. At the same time, the overall structure is compact, and parameters can be viewed in real time through the operation screen 51, which is convenient for timely detection of problems and intervention to ensure the stability of contact network use.

[0018] As a further configuration of this embodiment, the operation screen 51 is rotatably connected to the support rod 5 through a mounting seat, and mounting grooves are provided on both sides of the mounting seat, and a connecting ball head is rotatably matched in the mounting groove, and the connecting ball head is connected to a support arm 52. The beneficial effect of this configuration is that, through this configuration, the support arm 52 can be rotated on both sides, which is convenient for holding the cart to operate and assist the vehicle to move, and the support arm 52 can also be actively moved to the front position, which is convenient for placing a table board, and the operation is recorded by placing a mouse or keyboard on the table board, which increases the convenience of structural operation, and at the same time, the structure is simple, easy to implement, and has a good use effect.

[0019] As a further configuration of this embodiment, a connection flange 41 is provided on the outer peripheral wall of the connection seat 4, an arc groove 42 is provided on the connection flange 41, a fastening hole is provided on the connection platform 1 in the circumferential direction of the connection seat 4, a fastening screw is matched in the arc groove 42, and the fastening screw passes through the arc groove 42 and cooperates with the fastening hole thread to form a limit to the rotation of the connection seat 4. The beneficial effect of this configuration is that this configuration facilitates the limit after the connection seat 4 is rotated, and facilitates the operation and positioning. At the same time, the structure is simple, easy to implement, and convenient to operate. Through the arc groove 42, the positioning in various angles and directions is met, and it has a good use effect.

[0020] As a further configuration of this embodiment, a positioning seat 6 is further provided on the connection platform 1, and a clamping groove is provided on the positioning seat 6, and the support rod 5 is clamped with the clamping groove. The beneficial effect of this configuration is that the operation screen 51 can be effectively folded and positioned, which is more convenient for transportation and reduces the floor space. At the same time, this connection is reliable, looseness is avoided, and the stability of the structure is ensured.

[0021] As a further configuration of this embodiment, a power connection pin 12 is provided in the connection hole 11, a power connection socket 71 is provided on the bottom surface of the bearing rod 7, and a power supply port is provided on the bottom surface of the driving member at a position corresponding to the power connection socket 71, and the power connection pin 12 is inserted into the power connection socket 71 and cooperates with the power supply port to form power supply for the driving member. The beneficial effect of such a configuration is that such a configuration is convenient for the driving member to obtain power, and at the same time, it is simple, convenient to obtain power, and the connection is also very convenient. Through the cooperation of the power connection pin 12 and the socket, the reliability of the connection is further guaranteed, and it has a foolproof effect and a good use effect.

[0022] The above example is only one preferred specific example of the present invention. The common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A device for contact network CQI analysis, comprising a connection platform, a data acquisition box is arranged on the connection platform, walking arms are arranged at the four corners of the connection platform, and walking wheels are arranged on the walking arms, characterized in that: One of the running wheels is provided with an odometer, and the other running wheel is provided with a gauge meter. The gauge meter and the odometer are respectively communicatively connected with a data acquisition box. A connecting seat is also rotatably provided on the connecting platform, a support rod is swingably provided on the connecting seat, an operation screen is connected to the end of the support rod, a connecting hole is provided on one side of the connecting seat on the connecting platform, a bearing rod is plugged into the connecting hole, a telescopic rod and a driving part for driving the telescopic rod to extend or retract the bearing rod are also provided on the bearing rod, a connecting beam is provided at the end of the telescopic rod, cameras are respectively provided at the ends of the connecting beam, and the cameras are communicatively connected with the data acquisition box.

2. The device for overhead line CQI analysis according to claim 1, characterized in that: The operation screen is rotatably connected to the support rod through a mounting seat, and mounting grooves are arranged on both sides of the mounting seat. A connecting ball head is rotatably fitted in the mounting groove, and a supporting arm is connected to the connecting ball head.

3. The device for overhead line CQI analysis according to claim 1, characterized in that: A connecting flange is arranged on the outer peripheral wall of the connecting seat, an arc-shaped groove is arranged on the connecting flange, a fastening hole is arranged on the connecting platform in the circumferential direction of the connecting seat, a fastening screw is matched in the arc-shaped groove, and the fastening screw passes through the arc-shaped groove and cooperates with the thread of the fastening hole to form a limit to the rotation of the connecting seat.

4. The device for overhead line CQI analysis according to claim 3, characterized in that: The connecting platform is also provided with a positioning seat, the positioning seat is provided with a clamping groove, and the support rod is clamped with the clamping groove.

5. The device for overhead line CQI analysis according to claim 1, characterized in that: The connection hole is provided with a power pin, the bottom surface of the bearing rod is provided with a power socket, and the bottom surface of the driving member is provided with a power outlet corresponding to the power socket. The power pin is inserted into the power socket and cooperates with the power outlet to supply power to the driving member.