CN219065645U - Contact net measuring instrument - Google Patents
Contact net measuring instrument Download PDFInfo
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- CN219065645U CN219065645U CN202223564584.4U CN202223564584U CN219065645U CN 219065645 U CN219065645 U CN 219065645U CN 202223564584 U CN202223564584 U CN 202223564584U CN 219065645 U CN219065645 U CN 219065645U
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- power supply
- data acquisition
- acquisition device
- wireless
- measuring instrument
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Abstract
The utility model provides a contact net measuring instrument, comprising: the device comprises a left walking part, a right walking part, a power supply cross beam and a data acquisition device; the power supply beam is arranged between the left walking part and the right walking part to form an I-shaped structure; the data acquisition device is arranged on the power supply beam and comprises a laser shell, a camera device and a laser emitter, wherein the camera device and the laser emitter are arranged in the laser shell; a wireless beam structure is arranged on the surface of the power supply beam, another matched wireless beam structure is arranged at the bottom of the data acquisition device, a spring thimble is arranged on the wireless beam structure on the power supply beam, and a spring thimble matched with the spring thimble is arranged on the wireless beam structure at the bottom of the data acquisition device. In this structure, connect from top to bottom through the spring thimble between data acquisition device and the power supply crossbeam, have elastic thimble can make upper and lower contact surface inseparabler, guarantee that the electrical connection of equipment is normal, and the elimination contact net measuring apparatu that can be fine comes the shake interference of electrical property at the unevenness area.
Description
Technical Field
The utility model relates to the technical field of railway overhead line system parameter measurement, in particular to an overhead line system measuring instrument.
Background
The contact net system is an important component of a traction power supply system for high-speed railways and urban rail transit and is responsible for transmitting electric energy output by a traction substation to a motor train unit. In the running process of the motor train unit, complicated mechanical and electrical effects generally exist between the pantograph and the overhead contact line, abrasion of the contact line, change of a pull-out value, guide height and the like can be caused, defects such as damage, loosening, breakage and the like of parts of the overhead contact line supporting device can be seriously caused, the mechanical structure stability of the overhead contact line is reduced, serious safety accidents (such as falling of a locator, collapse of the overhead contact line and the like) can be caused, and the safe running of a train is directly influenced. Therefore, the method and the device have the advantages of accurately and efficiently detecting and monitoring the state of the contact network, and have important significance for urban rail transit and high-speed railway operation and maintenance work.
At present, the structure of the common overhead line system measuring instrument is shown in fig. 1, and the common overhead line system measuring instrument comprises: a trolley beam 3; two data acquisition devices symmetrically arranged on the trolley beam 3, wherein each data acquisition device comprises a laser 2 and a camera 4; an external wiring harness 1 arranged on the trolley beam 3, and a computer for leading out the internal wiring harness through Lei Motou to be connected, wherein the computer is arranged in the middle of the trolley beam 3. Although the contact net measuring instrument can functionally solve the purposes of detecting and monitoring the state of the contact net, the contact net measuring instrument still has some problems in structure, for example, the structure has a plurality of wire harnesses, is exposed to the outside, has serious insufficient waterproof grade, and cannot be used when raining outdoors.
Disclosure of Invention
Aiming at the problems, the utility model provides a contact net measuring instrument, which effectively solves the technical problem that the waterproof grade of the existing contact net measuring instrument is seriously insufficient.
The technical scheme provided by the utility model is as follows:
a catenary meter, comprising: the device comprises a left walking part, a right walking part, a power supply cross beam and a data acquisition device; wherein, the liquid crystal display device comprises a liquid crystal display device,
the power supply beam is configured between the left walking part and the right walking part to form an I-shaped structure;
the data acquisition device is arranged on the power supply beam and comprises a laser shell, and a camera device and a laser transmitter which are arranged in the laser shell;
the surface of the power supply beam is provided with a wireless beam structure, the bottom of the data acquisition device is provided with another matched wireless beam structure, the wireless beam structure on the power supply beam is provided with a spring thimble, and the wireless beam structure on the bottom of the data acquisition device is provided with a spring thimble matched with the spring thimble, so that the power supply beam is electrically connected with the data acquisition device.
Further preferably, the wireless beam structure on the surface of the power supply beam comprises an electric connection part and a fixing part, wherein the electric connection part is provided with a spring thimble, and the fixing part is provided with a fixing through hole;
the wireless beam structure at the bottom of the data acquisition device comprises another electric connection and another fixing part, a spring thimble matched with the spring thimble on the surface of the power supply beam is arranged on the electric connection, and a fixing through hole matched with the surface of the power supply beam is arranged on the fixing part, so that the power supply beam and the data acquisition device are fixed through bolts.
Further preferably, in the power supply beam and the data acquisition device, the fixing portions are symmetrically arranged on two sides of the connecting portion.
Further preferably, the wireless beam structure on the surface of the power supply beam further comprises a bump for limiting, and the wireless beam structure at the bottom of the data acquisition device further comprises a groove matched with the bump; or (b)
The wireless beam structure on the surface of the power supply beam further comprises a groove for limiting, and the wireless beam structure at the bottom of the data acquisition device further comprises a lug matched with the lug.
Further preferably, the surface of the spring thimble is gold-plated.
Further preferably, at least one limiting shaft is arranged on the left walking part and the right walking part, and through holes matched with the limiting shafts are arranged at two ends of the power supply cross beam; or (b)
At least one limiting shaft is respectively arranged at two ends of the power supply cross beam, and through holes matched with the limiting shafts are correspondingly arranged on the left walking part and the right walking part.
Still preferably, the laser housing of the data acquisition device has a strip structure, and is disposed on the power supply beam along a direction perpendicular to the power supply beam, and the image pickup device and the laser transmitter are respectively disposed at two ends of the laser housing.
Further preferably, the shell of the power supply beam is made of aluminum alloy materials.
Further preferably, the left traveling section and the right traveling section are each provided with: the walking position support is arranged below the insulating rubber coating wheel and the brake.
Further preferably, auxiliary wheels are further provided in the left and right traveling sections, respectively.
The contact net measuring instrument provided by the utility model has at least the following beneficial effects:
1. the data acquisition device and the power supply beam are connected up and down through the spring thimble, the elastic thimble (spring thimble) can enable the upper contact surface and the lower contact surface to be tighter, the electrical connection of equipment is ensured to be normal, and the shaking interference of the electric characteristics of the contact net measuring instrument on the uneven surface is eliminated well. The surface gold plating can well reduce the impedance of the contact surface and reduce interference. Because no external binding wire is used, the waterproof grade of the vehicle is greatly improved, and the vehicle can be normally used under the condition of small rain outdoors in actual measurement, and various functions are not abnormal in operation.
2. Through configuration spacing on the power supply crossbeam, guarantee that each contact can both dock accurately, can not appear misplacing and lead to dolly function abnormality or damage. And be convenient for install, the workman only need place the main part and measure spacing department and just accomplish the installation, save time greatly, and can not mistake the pencil.
3. Only one camera device and one laser emitter are needed to be configured in the contact net measuring instrument, and compared with the contact net measuring instrument shown in fig. 1, the cost is reduced by about 35% each time, and the equipment cost is greatly saved.
Drawings
The above features, technical features, advantages and implementation thereof will be further described in the following detailed description of preferred embodiments with reference to the accompanying drawings in a clearly understandable manner.
FIG. 1 is a schematic diagram of a prior art catenary meter;
FIG. 2 is a schematic diagram of the overhead contact system measuring instrument according to the present utility model;
fig. 3 is a schematic view of the surface harness-less structure of the power supply beam of the present utility model.
Reference numerals:
the device comprises a 1-external wiring harness, a 2-laser, a 3-trolley beam, a 4-camera, a 5-left walking part, a 6-right walking part, a 7-power supply beam, an 8-data acquisition device, a 9-through hole, a 10-spring thimble and an 11-bump.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
The contact net measuring instrument provided by the utility model, as shown in figure 2, comprises: a left walking part 5, a right walking part 6, a power supply cross beam 7 and a data acquisition device 8; the power supply cross beam 7 is arranged between the left walking part 5 and the right walking part 6 to form an I-shaped structure; the data acquisition device 8 is arranged on the power supply beam 7 and comprises a laser shell, a camera device and a laser transmitter, wherein the camera device and the laser transmitter are arranged in the laser shell; a wireless beam structure is arranged on the surface of the power supply beam 7, another matched wireless beam structure is arranged at the bottom of the data acquisition device 8, a spring thimble is arranged on the wireless beam structure on the power supply beam 7, a spring thimble matched with the spring thimble is arranged on the wireless beam structure at the bottom of the data acquisition device 8, and the power supply beam and the data acquisition device are electrically connected.
The contact net measuring instrument is based on the principle of a laser triangulation method, and a camera device and a laser emitter are arranged in the contact net measuring instrument to measure geometric parameters and abrasion of a contact net. In the measuring process, laser rays emitted by a laser emitter irradiate the surface of the contact net, meanwhile, a laser contour image of the laser rays is shot through a camera device, then geometric parameters and abrasion of the contact line can be calculated according to the position of the laser rays in the whole image through image analysis and transformation processing, and the geometric parameters comprise the contact line height, the contact line pulling-out value, the contact line horizontal distance, the contact line vertical height difference and the like.
In this overhead contact line measuring instrument, the left traveling unit 5 and the right traveling unit 6 are each provided with: the walking position bracket is arranged below the insulating rubber coating wheel and the brake. In order to ensure that the equipment can be stably pushed on the track and monitor the track gauge change in real time, 2 auxiliary wheels are respectively arranged on the side surfaces of the running parts of the left running part 5 and the right running part 6.
The casing of power supply crossbeam 7 is made by aluminum alloy material, and inside configuration has: the power supply battery, the power control module and the data acquisition card, wherein the power supply battery is connected with the power control module, the power control module is connected with the data acquisition card, and the data acquisition card is connected with the data acquisition device 8. In addition, an inclination angle sensor/displacement sensor is also arranged in the power supply beam 7 and is respectively connected with the power supply control module and the data acquisition card; and a wireless communication module (such as a Bluetooth module and the like) is also configured and is respectively connected with the power supply control module and the data acquisition card. In order to realize connection with the outside, when the wireless communication module is a WiFi module, a wireless router can be configured in the power supply beam.
The power supply control module is used for controlling the power supply of each module, and the data acquisition card is used for acquiring data acquired by the inclination sensor, the camera device, the displacement sensor and the like and transmitting the data through the wireless communication module. In practical application, the power supply control module and the data acquisition card can be any existing module as long as the purposes of power supply and data acquisition can be achieved.
The manner of holding between the power feeding beam 7 and the left traveling portion 5/right traveling portion 6 may be configured according to actual conditions, and is not particularly limited herein, as long as rapid fixation between the two structures can be achieved. For example, the left traveling part 5 and the right traveling part 6 may be provided with a limit shaft (e.g., 2 or the like), the power supply beam 7 may be provided with through holes at corresponding positions, and when the power supply beam 7 is fixedly connected with the left traveling part 5 and the right traveling part 6, the through holes are only required to be aligned with the limit shafts for clamping and mounting. In other embodiments, the left traveling unit 5 and the right traveling unit 6 may be provided with through holes, and the power feeding cross member 7 may be provided with a stopper shaft.
As shown in fig. 1, the laser housing of the data acquisition device 8 has a stripe structure, and is disposed on the power supply beam 7 along a direction perpendicular to the power supply beam 7, and the image pickup device and the laser transmitter are respectively disposed at two ends of the laser housing. The data acquisition device 8 is preferably arranged at the central axis of the whole contact network measuring instrument, i.e. at the central position of the power supply cross beam 7. In practical application, the camera device is a contour laser camera, and the laser transmitter is a linear laser transmitter.
As shown in fig. 2, the wireless beam structure of the power supply beam 7 includes an electrical connection portion on which a spring thimble 10 is disposed and a fixing portion on which a fixing through hole 9 is disposed. Correspondingly, the wireless beam structure at the bottom of the data acquisition device comprises another electric connection and another fixing part, the electric connection is provided with a spring thimble matched with the spring thimble on the surface of the power supply beam, the fixing part is provided with a fixing through hole matched with the surface of the power supply beam, and the power supply beam and the data acquisition device are fixed through bolts (the bolts are realized through the through holes of the two structures). In order to realize stable connection between the two components, the fixing parts are symmetrically arranged at two sides of the connecting part, and each side is provided with 2 through holes as shown in fig. 2. In other embodiments, the number of through holes may be configured according to practical situations, such as 3 or more. In order to reduce the impedance of the contact surface and reduce interference, the surface of the spring thimble is plated with gold.
In order to facilitate the installation, the wireless beam structure on the surface of the power supply beam also comprises a lug (11 in fig. 2) for limiting, and the wireless beam structure at the bottom of the data acquisition device also comprises a groove matched with the lug; or the wireless beam structure on the surface of the power supply beam further comprises a groove for limiting, and the wireless beam structure at the bottom of the data acquisition device further comprises a lug matched with the lug. Therefore, in the mounting process, the limit of the two structures can be realized only by clamping the corresponding convex blocks and the corresponding grooves, and the two parts can be conveniently fixed together through the bolts.
In the overhead line system measuring instrument, the left walking part 5, the right walking part 6, the power supply cross beam 7 and the data acquisition device 8 are in modularized design, the data acquisition module and the power supply cross beam 7 are fixed in a mode of quickly disassembling and assembling without an external wiring harness, and the power supply cross beam 7 and the left/right walking part are fixed in an error-proof limit mode, so that the whole overhead line system measuring instrument can be quickly assembled and put into use.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the utility model.
Claims (10)
1. A catenary meter, comprising: the device comprises a left walking part, a right walking part, a power supply cross beam and a data acquisition device; wherein, the liquid crystal display device comprises a liquid crystal display device,
the power supply beam is configured between the left walking part and the right walking part to form an I-shaped structure;
the data acquisition device is arranged on the power supply beam and comprises a laser shell, and a camera device and a laser transmitter which are arranged in the laser shell;
the surface of the power supply beam is provided with a wireless beam structure, the bottom of the data acquisition device is provided with another matched wireless beam structure, the wireless beam structure on the power supply beam is provided with a spring thimble, and the wireless beam structure on the bottom of the data acquisition device is provided with a spring thimble matched with the spring thimble, so that the power supply beam is electrically connected with the data acquisition device.
2. The overhead contact system measuring instrument according to claim 1, wherein,
the wireless beam structure on the surface of the power supply beam comprises an electric connection part and a fixing part, wherein a spring thimble is arranged on the electric connection part, and a fixing through hole is arranged on the fixing part;
the wireless beam structure at the bottom of the data acquisition device comprises another electric connection and another fixing part, a spring thimble matched with the spring thimble on the surface of the power supply beam is arranged on the electric connection, and a fixing through hole matched with the surface of the power supply beam is arranged on the fixing part, so that the power supply beam and the data acquisition device are fixed through bolts.
3. The overhead line system measuring instrument according to claim 2, wherein the power supply beam and the data acquisition device are provided with fixing portions symmetrically arranged on both sides of the connecting portion.
4. The overhead line system measuring instrument according to claim 2 or 3, wherein,
the wireless beam structure on the surface of the power supply beam further comprises a lug for limiting, and the wireless beam structure at the bottom of the data acquisition device further comprises a groove matched with the lug; or (b)
The wireless beam structure on the surface of the power supply beam further comprises a groove for limiting, and the wireless beam structure at the bottom of the data acquisition device further comprises a lug matched with the lug.
5. A catenary meter according to claim 1, 2 or 3, wherein the spring pin surface is gold plated.
6. The overhead line system measuring instrument according to claim 1, 2 or 3,
at least one limiting shaft is arranged on the left walking part and the right walking part, and through holes matched with the limiting shafts are arranged at two ends of the power supply cross beam; or (b)
At least one limiting shaft is respectively arranged at two ends of the power supply cross beam, and through holes matched with the limiting shafts are correspondingly arranged on the left walking part and the right walking part.
7. The overhead line system measuring instrument according to claim 1, 2 or 3, wherein the laser housing of the data acquisition device has a strip-shaped structure and is arranged on the power supply beam along a direction perpendicular to the power supply beam, and the image pickup device and the laser transmitter are respectively arranged at two ends of the laser housing.
8. A contact network measuring instrument according to claim 1, 2 or 3, wherein the housing of the power supply beam is made of an aluminum alloy material.
9. The overhead line system measuring instrument according to claim 1, 2 or 3, wherein the left traveling section and the right traveling section are each provided with: the walking position support is arranged below the insulating rubber coating wheel and the brake.
10. The overhead line system measuring instrument according to claim 8, wherein the left traveling part and the right traveling part are further provided with auxiliary wheels, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223564584.4U CN219065645U (en) | 2022-12-30 | 2022-12-30 | Contact net measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223564584.4U CN219065645U (en) | 2022-12-30 | 2022-12-30 | Contact net measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219065645U true CN219065645U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223564584.4U Active CN219065645U (en) | 2022-12-30 | 2022-12-30 | Contact net measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219065645U (en) |
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2022
- 2022-12-30 CN CN202223564584.4U patent/CN219065645U/en active Active
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