Portable contact network 1C +4C automatic detection device

Abstract

The utility model belongs to the technical field of catenary detection, and particularly relates to a portable catenary 1C + 4C automatic detection device which comprises a device support, a push rod installed on the device support, walking wheels installed on the left side and the right side of the device support, and a detection mechanism arranged at the upper end of the device support and comprising a photographing module, a measuring module and a processing and control module. The photographing module, the measuring module and the processing and control module are all installed on the device support, and the processing and control module is in telecommunication connection with the photographing module and the measuring module. A non-contact detection method is adopted to rapidly measure the geometric parameters of the contact network and inspect the state of the contact network suspension part at the same time, the operation and maintenance efficiency of the contact network can be greatly improved, laser radar dynamic measurement data and image processing of the state of the contact network suspension part are fused, and the accuracy and definition of a positioning device and dropper photographing of the contact network device can be improved. The accuracy of automatic measurement is further improved, and the workload of operation and maintenance personnel is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of contact network detection, and in particular relates to a portable contact network 1C+4C automatic detection device. Background Art

[0002] 1C to 6C in the railway system represent a high-speed railway power supply safety detection and monitoring system. These devices include the bow-net comprehensive detection device (1C), the contact network safety inspection device (2C), the EMU onboard contact network operation status detection device (3C), the contact network suspension status detection and monitoring device (4C), the pantograph slide monitoring device (5C), and the contact network and power supply equipment ground monitoring device (6C). The data collected by these devices are all collected in the 6C system comprehensive data processing center, forming the electrified railway power supply safety detection and monitoring system, referred to as the "6C system".

[0003] At present, the railway-related departments mostly use static laser measurement to complete the comprehensive detection device (1C) of the contact network. This method is inefficient, labor-intensive, and difficult to operate at night. The inspection of the contact network suspension status (4C) currently adopts maintenance trains or manual ladder cars. The operation cost of maintenance trains is high, the maintenance interval period is long, and it cannot be used in complex environments such as stations. The efficiency of manual ladder car inspection is very low and can no longer meet the growing requirements for contact network inspection. Moreover, the measurement of contact network geometric parameters and the inspection of contact network suspension parts status are separated, and the labor cost is high. Therefore, there is an urgent need for a portable contact network 1C+4C automatic detection device that can quickly, conveniently, economically and efficiently measure the contact network status and inspect the contact network suspension parts status at the same time. Utility Model Content

[0004] The purpose of the utility model is to provide a portable contact network 1C+4C automatic detection device for solving the problems existing in the background technology.

[0005] In order to achieve the above technical purpose, the technical solution adopted by the utility model is as follows:

[0006] A portable contact network 1C+4C automatic detection device, comprising a device bracket, the device bracket is used as a main body for installation and support, a push rod is installed on the upper end of the device bracket, and running wheels are installed on the left and right sides of the device bracket respectively. Pushing the push rod can make the running wheels move along the rails, and a detection mechanism is provided on the upper end of the device bracket;

[0007] The detection mechanism includes a photographing module, a measuring module, and a processing and control module. The photographing module, the measuring module, and the processing and control module are all installed on the device bracket, and the processing and control module is respectively connected to the photographing module and the measuring module by telecommunications. The photographing module is used to take real-time photos of the contact network; the measuring module is used to detect the contact network geometric parameter measurements and the status of the contact network suspension parts; the processing and control module is used to perform image analysis and data processing on the taken pictures and collected parameters.

[0008] The processing and control module includes a data processor and a high-definition touch screen connected to each other by telecommunication. The data processor is installed at the upper left end of the device bracket, and the high-definition touch screen is installed at the upper end of the push rod.

[0009] The measuring module includes a photoelectric encoder, an inclination sensor, a linear displacement sensor, a laser radar, and a static laser measuring instrument, which are respectively connected to the data processor by telecommunications. The laser radar is installed on the upper end of the data processor, the photoelectric encoder is installed on the left side of the lower end of the device bracket, the inclination sensor is installed inside the device bracket, the linear displacement sensor is installed between the device bracket and the walking wheel on the right side, and the static laser measuring instrument is installed on the upper right end of the device bracket.

[0010] The camera module includes a locator device camera and a hanging string camera which are respectively connected to the data processor by telecommunications. The locator device camera is installed on the upper end of the device bracket, and the locator device camera is located between the high-definition touch display screen and the static laser measuring instrument.

[0011] A pan-tilt platform is provided between the shooting camera of the locator device and the device bracket, and the pan-tilt platform is connected to the data processor by telecommunication.

[0012] The locator device shooting camera and the string hanging shooting camera are both provided with fill lights.

[0013] In the utility model, the beneficial effects of the invention are:

[0014] (1) The utility model adopts a non-contact detection method to simultaneously and quickly measure the geometric parameters of the contact network and inspect the status of the contact network suspension parts, which can greatly improve the efficiency of contact network operation and maintenance;

[0015] (2) The utility model integrates the processing of dynamic measurement data of laser radar and image processing of the state of contact network suspension parts, which can improve the accuracy and clarity of the positioning device of the contact network device and the photography of the suspension string, further improve the accuracy of automatic measurement, and reduce the workload of operation and maintenance personnel.

[0016] (3) The utility model can be used in sections, stations, tunnels and bridges of high-speed railways, conventional railways and subways, and can effectively make up for the problem of high cost of train inspection and inability to be used in complex scenes such as stations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings.

[0018] Figure 1 This is a partial planed structural diagram of a portable contact network 1C+4C automatic detection device of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of a portable contact network 1C+4C automatic detection device of the utility model;

[0020] Figure 3 This is a schematic diagram of the classification of the detection mechanism of a portable contact network 1C+4C automatic detection device of the utility model;

[0021] Figure 4 This is a schematic diagram of the control flow of a data processor of a portable contact network 1C+4C automatic detection device of the utility model;

[0022] The main component symbols are described as follows:

[0023] Device bracket 100, push rod 101, walking wheel 102, data processor 200, high-definition touch screen 201, photoelectric encoder 300, inclination sensor 301, linear displacement sensor 302, laser radar 303, static laser measuring instrument 304, locator device shooting camera 400, hanging string shooting camera 401, gimbal 500, fill light 600. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Example:

[0026] like Figure 1-Figure 4 As shown, a portable contact network 1C+4C automatic detection device includes a device bracket 100, a push rod 101 is installed on the upper end of the device bracket 100, walking wheels 102 are installed on the left and right sides of the device bracket 100, and a detection mechanism is provided on the upper end of the device bracket 100;

[0027] The detection mechanism includes a photographing module, a measuring module, and a processing and control module. The photographing module, the measuring module, and the processing and control module are all installed on the device bracket 100, and the processing and control module is respectively connected to the photographing module and the measuring module by telecommunication.

[0028] The device bracket 100 is used as the main body for installation and support; pushing the push rod 101 can make the walking wheel 102 move along the rail; the camera module is used to take real-time photos of the contact network; the measurement module is used to detect the contact network geometric parameter measurement and the state of the contact network suspension parts; the processing and control module is used to perform image analysis and data processing on the taken pictures and collected parameters.

[0029] The processing and control module includes a data processor 200 and a high-definition touch screen 201 which are interconnected. The data processor 200 is installed at the upper left end of the device bracket 100 , and the high-definition touch screen 201 is installed at the upper end of the push rod 101 .

[0030] The data processor 200 adopts a high-performance Intel I7 or above processor with a main frequency of 2.5GHz or above, and a central data processing board with 1TB or more image storage. It can integrate and process the 1C contact network geometric parameter data measured by the laser radar 303 and the contact network suspension component status image taken by the 4C camera, and control the 4C pan / tilt 500 to adjust the angle and camera shooting according to the automatically measured 1C positioning and suspension string parameter values, and output the contact network including the detection results of pillars, locators, suspension strings, building limits, etc. and the contact network suspension component status; the high-definition touch display screen 201 adopts a 14-inch large screen display, and has undergone experiments such as waterproofing, high-temperature exposure, and low-temperature antifreeze, and can display the 1C contact network geometric parameter detection data, waveform diagrams, and 4C contact network suspension component status images in real time.

[0031] The measuring module includes a photoelectric encoder 300, an inclination sensor 301, a linear displacement sensor 302, a laser radar 303, and a static laser measuring instrument 304, which are respectively connected to the data processor 200 by telecommunications. The laser radar 303 is installed at the upper end of the data processor 200, the photoelectric encoder 300 is installed on the left side of the lower end of the device bracket 100, the inclination sensor 301 is installed inside the device bracket 100, the linear displacement sensor 302 is installed between the device bracket 100 and the right walking wheel 102, and the static laser measuring instrument 304 is installed at the upper right end of the device bracket 100.

[0032] The photoelectric encoder 300 can measure the mileage of the device, which is used to calculate the mileage of the measurement data of the contact network geometric parameters and to mark the state picture of the contact network suspension parts and the line position where the defects are located; the linear displacement sensor 302 can measure the track gauge, which is used to calculate the pull-out value of the contact network geometric parameters; the inclination sensor 301 can measure the superelevation of the two tracks, which is used to calculate the construction limit value of the contact network geometric parameters including the red heart elevation; when the laser radar 303 moves along the track, the laser radar 303 continuously scans the contact network, and the data of the laser radar 303 is converted into XY coordinate data relative to the center of the track, and together with the data of the photoelectric encoder 300 of the mileage, it constitutes the contact network three-dimensional point cloud data, which is filtered, segmented, model matched and automatically calculated as the measurement target; the static laser measuring instrument 304 is used to measure the special points of the contact line construction limit and to verify the benchmark value of the dynamic measurement of the laser radar 303. And all sensor values ​​can be transmitted and processed in real time.

[0033] The photographing module includes a locator device photographing camera 400 and a hanging string photographing camera 401 which are respectively connected to the data processor 200 by telecommunications. The locator device photographing camera 400 is installed on the upper end of the device bracket 100, and the locator device photographing camera 400 is located between the high-definition touch display screen 201 and the static laser measuring instrument 304.

[0034] The locator device shooting camera 400 adopts a 65-megapixel high-definition industrial camera, and the suspension string shooting camera 401 adopts two 25-megapixel high-definition industrial cameras, which can take pictures of the suspension strings at the same time.

[0035] A pan / tilt platform 500 is disposed between the locator device camera 400 and the device bracket 100 , and the pan / tilt platform 500 is connected to the data processor 200 via telecommunication.

[0036] The data processor 200 controls the rotation of the pan / tilt platform 500 , and can control the rotation of the camera 400 of the locator device.

[0037] The locator device shooting camera 400 and the string-mounted shooting camera 401 are both equipped with a fill light 600 .

[0038] The fill light 600 uses a strobe light, which can make the captured pictures clearer and more complete.

[0039] The working principle of this embodiment is as follows: when in use, the device bracket 100 is placed on the rail, and the push rod 101 is pushed to make the walking wheel 102 move on the rail. At this time, the camera module and the measuring module automatically measure the geometric parameters of the contact network while being pushed along the track, and the collected information is uploaded to the data processor 200 for processing and analysis.

[0040] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A portable contact network 1C+4C automatic detection device, including a device bracket, characterized in that: A push rod is installed at the upper end of the device bracket, walking wheels are installed on the left and right sides of the device bracket respectively, and a detection mechanism is provided at the upper end of the device bracket; The detection mechanism includes a photographing module, a measuring module, and a processing and control module. The photographing module, the measuring module, and the processing and control module are all installed on the device bracket, and the processing and control module is respectively connected to the photographing module and the measuring module by telecommunication.

2. A portable contact network 1C+4C automatic detection device according to claim 1, characterized in that: The processing and control module includes a data processor and a high-definition touch screen connected to each other by telecommunication. The data processor is installed at the upper left end of the device bracket, and the high-definition touch screen is installed at the upper end of the push rod.

3. A portable contact network 1C+4C automatic detection device according to claim 2, characterized in that: The measuring module includes a photoelectric encoder, an inclination sensor, a linear displacement sensor, a laser radar, and a static laser measuring instrument, which are respectively connected to the data processor by telecommunications. The laser radar is installed on the upper end of the data processor, the photoelectric encoder is installed on the left side of the lower end of the device bracket, the inclination sensor is installed inside the device bracket, the linear displacement sensor is installed between the device bracket and the walking wheel on the right side, and the static laser measuring instrument is installed on the upper right end of the device bracket.

4. A portable contact network 1C+4C automatic detection device according to claim 3, characterized in that: The photographing module includes a locator device camera and a hanging string camera which are respectively connected to the data processor by telecommunications. The locator device camera is installed at the upper end of the device bracket, and the locator device camera is located between the high-definition touch-screen display and the static laser measuring instrument. The hanging string camera is installed symmetrically on the rear side of the device bracket.

5. A portable contact network 1C+4C automatic detection device according to claim 4, characterized in that: A pan-tilt platform is provided between the shooting camera of the locator device and the device bracket, and the pan-tilt platform is connected to the data processor by telecommunication.

6. A portable contact network 1C+4C automatic detection device according to claim 4, characterized in that: The locator device shooting camera and the string hanging shooting camera are both provided with fill lights.

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