CN217384145U - Automatic measuring device for geometrical parameters of contact net - Google Patents

Abstract

The utility model provides a contact net geometric parameters automatic measuring device, contact net measurement system are used for measuring contact net information to give the data acquisition unit with contact net information transmission, the data acquisition unit gives the data processing unit with contact net information transmission, and the data processing unit handles contact net information in order to obtain contact net testing result. Laser rangefinder sensor installs in the mounting panel top, and its two optical window upwards place, and the net is examined 2D laser sensor and is installed in the mounting panel top, and angle encoder installs in the mounting panel top, and the controller is installed in the mounting panel top, and two compensation 2D laser sensor install in the mounting panel both sides, and output interface sets up on the mounting panel. Meanwhile, through the cooperative work of specialized scanning and measuring software, the laser ranging sensor and hardware of the data processing unit, the full-automatic one-key measuring operation is realized, the labor load of operators is greatly reduced, and the measuring operation efficiency is improved.

Description

Automatic measuring device for geometrical parameters of contact net

Technical Field

The patent of the utility model belongs to the track traffic line field of maintaining specifically is a contact net geometric parameters automatic measuring device.

Background

In recent years, with the rapid development of the construction of high-speed electrified railways in China, the safety problem of railway systems is increasingly remarkable. Among them, as an important component of a railway system, a catenary is installed in an electrified railway in a zigzag manner over a rail, and a high-voltage power transmission line for current collection from a pantograph is generally spaced from the rail by a distance of-m. The contact network is a special power supply line erected along the running line of the electric railway and the electric vehicle of the urban traffic. The electric energy from the traction substation is used for supplying power to the electric locomotive or the electric vehicle through a contact network and a current collector arranged on the vehicle. Generally, the contact net is required to be capable of ensuring safe power supply under any meteorological factors such as ice, wind, rain, snow and the like) and the maximum operation speed, and has good performances such as wear resistance, corrosion resistance, small electric loss and the like.

Because the contact net is the transmission line that open air set up, do not have the reserve line to replace at any time. In the using process, the utility model is inevitably affected by weather conditions such as wind, sunshine, high temperature and extremely cold. In addition, the load on the contact line of the contact network is continuously changed along with the operation of the electric locomotive, the locomotive is in contact with the pantograph to generate abrasion when passing through, the service life of the contact network is reduced, and the normal operation of the contact network is influenced. The normal operation of the contact net directly influences the stability of the railway transportation, and if the railway transportation is interrupted, the most prominent influence is that the high loss is brought to the nation and people in time and economy. Therefore, the good operation of the contact net is ensured, and the premise of maintaining the normal operation of railway transportation is provided. In order to ensure the reliable service time of the contact network system, the contact network needs to be periodically checked and maintained, and potential safety hazards existing in the contact network are timely discovered and eliminated. In fact, the geometric parameters of the catenary directly influence the current collection quality of the electric locomotive and even influence the running safety of the locomotive.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a contact net geometric parameters automatic measuring device.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

The utility model provides an automatic measuring device of geometric parameters of contact net, examine 2D laser sensor including the net, laser rangefinder sensor, the angle encoder, the output interface, a controller, the mounting panel, compensation 2D laser sensor, wherein, laser rangefinder sensor installs in the mounting panel top, two optical window upwards place, the net is examined 2D laser sensor and is installed in the mounting panel top, the angle encoder is installed in the mounting panel top, the controller is installed in the mounting panel top, two compensation 2D laser sensor install in the mounting panel both sides, the output interface sets up on the mounting panel.

Preferably, the laser ranging sensor comprises two optical windows, a ranging laser emission window and an echo receiving window.

Preferably, the angle encoder is connected with the laser ranging sensor and used for recording the deflection angle of the corresponding laser optical axis when the laser ranging sensor measures the distance between the laser ranging sensor and the overhead line system.

Preferably, the net examines 2D laser sensor and is used for measuring the profile of the contact line in the contact net.

Preferably, the device comprises two compensating 2D laser sensors for measuring the dimensions of the inner cross section of the rail.

Preferably, this device can install on the track detects the dolly, can carry out the contact net when the track detects and measure.

Preferably, the contact network measurement system comprises a network inspection 2D laser sensor, a laser ranging sensor, an angle encoder, a compensation 2D laser sensor, a data acquisition unit and a data processing unit, wherein the network inspection 2D laser sensor, the laser ranging sensor, the angle encoder and the compensation 2D laser sensor are connected with the data acquisition unit, and the data acquisition unit is connected with the data processing unit.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model provides a contact net geometric parameters automatic measuring device, contact net measurement system are used for measuring contact net information to give the data acquisition unit with contact net information transmission, the data acquisition unit gives the data processing unit with contact net information transmission, and the data processing unit handles contact net information in order to obtain contact net testing result. This device can be installed on track detection dolly, can detect the contact net simultaneously when detecting the track to improve detection efficiency, labour saving and time saving. Meanwhile, through the cooperative work of specialized scanning measurement software, a laser distance measuring sensor and hardware of a data processing unit, the full-automatic one-key measurement operation is realized, the labor load of operators is greatly reduced, and the measurement operation efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the utility model discloses contact net measurement system schematic diagram.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1, a contact net geometric parameters automatic measuring device, examine 2D laser sensor 1 including the net, laser ranging sensor 2, angle encoder 3, output interface 4, a controller 5, mounting panel 6, compensation 2D laser sensor 7, wherein, laser ranging sensor 2 installs in mounting panel 6 top, its two optical window upwards place, 2D laser sensor 1 is examined to the net and is installed in mounting panel 6 top, angle encoder 3 installs in mounting panel 6 top, controller 5 installs in mounting panel 6 top, two compensation 2D laser sensor 7 install in mounting panel 6 both sides, output interface 4 sets up on mounting panel 6.

The laser ranging sensor 2 comprises two optical windows, a ranging laser emission window and an echo receiving window. For transmitting and receiving laser pulses, respectively. The laser ranging sensor 2 scans and measures effective distances from a plurality of groups of accurate measuring positions to a contact net and optical axis deflection angles measured by the angle encoder.

The angle encoder 3 is connected with the laser ranging sensor 2 and is used for recording the deflection angle of the corresponding laser optical axis when the laser ranging sensor 2 measures the distance between the laser ranging sensor and a contact net.

The net examines 2D laser sensor 1, net examines 2D laser sensor 1 and is used for measuring the profile of the contact line in the contact net. The net inspection 2D laser sensor 1 is used for measuring the outline of a contact line in a contact net.

Two compensating 2D laser sensors 7 are included, said compensating 2D laser sensors 7 being used for measuring the dimensions of the inner cross-section of the rail. The two compensating 2D laser sensors 7 measure synchronously. The laser is projected onto the rail surface, the rail profile and the rail gauge are detected on line at high precision when the vehicle runs, and the coordinates of the rail vertex and the rail gauge point are output. The absolute spatial position of the contact line relative to the track plane can thus be obtained by calculation.

The device can be arranged on a track detection trolley and can be used for measuring a contact net during track detection.

Referring to fig. 2, the overhead line system measurement system comprises an overhead line inspection 2D laser sensor 1, a laser ranging sensor 2, an angle encoder 3, a compensation 2D laser sensor 7, a data acquisition unit and a data processing unit, wherein the overhead line inspection 2D laser sensor 1, the laser ranging sensor 2, the angle encoder 3 and the compensation 2D laser sensor 7 are connected with the data acquisition unit, and the data acquisition unit is connected with the data processing unit. The network inspection 2D laser sensor 1, the laser ranging sensor 2, the angle encoder 3 and the compensation 2D laser sensor 7 transmit data to the data acquisition unit, and the data acquisition unit transmits the data to the data processing unit to perform data calculation processing.

The utility model discloses an operation and operation process as follows:

when the device is used, the device can be installed on the track detection trolley, a U disk or a notebook computer can be inserted into the output interface 4, and all data detected by the device can be stored in the U disk or the notebook computer.

Claims (7)

1. The utility model provides a contact net geometric parameters automatic measuring device, a serial communication port, examine 2D laser sensor (1) including the net, laser rangefinder sensor (2), angle encoder (3), output interface (4), controller (5), mounting panel (6), compensation 2D laser sensor (7), wherein, install in mounting panel (6) top laser rangefinder sensor (2), its two optical window upwards places, the net is examined 2D laser sensor (1) and is installed in mounting panel (6) top, angle encoder (3) are installed in mounting panel (6) top, install in mounting panel (6) top controller (5), install in mounting panel (6) both sides two compensation 2D laser sensor (7), output interface (4) set up on mounting panel (6).

2. The automatic geometrical parameter measuring device of a contact net according to claim 1, characterized in that, the laser ranging sensor (2) comprises two optical windows, a ranging laser emission window and an echo receiving window.

3. The automatic measuring device for the geometrical parameters of the overhead line system according to claim 1, wherein the angle encoder (3) is connected with the laser ranging sensor (2) and used for recording the deflection angle of the corresponding laser optical axis when the laser ranging sensor (2) measures the distance between the overhead line system and the overhead line system.

4. The automatic measuring device for the geometrical parameters of the overhead line system according to claim 1, wherein the 2D laser sensor (1) for the overhead line system is used for measuring the profile of the overhead line system, and the 2D laser sensor (1) for the overhead line system is used for measuring the profile of the overhead line system.

5. The automatic geometric parameter measurement device of the overhead line system according to claim 1, characterized by comprising two compensation 2D laser sensors (7), wherein the compensation 2D laser sensors (7) are used for measuring the size of the inner cross section of the rail.

6. The automatic measuring device for the geometric parameters of the overhead line system according to claim 1, wherein the device can be mounted on a track detection trolley and can be used for measuring the overhead line system during track detection.

7. The automatic measuring device for the geometrical parameters of the overhead line system according to claim 1, wherein the overhead line system measuring system comprises a 2D laser sensor (1), a laser ranging sensor (2), an angle encoder (3), a compensation 2D laser sensor (7), a data acquisition unit and a data processing unit, the 2D laser sensor (1), the laser ranging sensor (2), the angle encoder (3) and the compensation 2D laser sensor (7) are connected with the data acquisition unit, and the data acquisition unit is connected with the data processing unit.

Images