CN217396529U - Measurement scale and seamless track rail displacement vehicle-mounted detection system that crawls - Google Patents
Measurement scale and seamless track rail displacement vehicle-mounted detection system that crawls Download PDFInfo
- Publication number
- CN217396529U CN217396529U CN202220007692.2U CN202220007692U CN217396529U CN 217396529 U CN217396529 U CN 217396529U CN 202220007692 U CN202220007692 U CN 202220007692U CN 217396529 U CN217396529 U CN 217396529U
- Authority
- CN
- China
- Prior art keywords
- scale
- steel rail
- rail
- vernier
- bidirectional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model discloses a measure scale and seamless way rail displacement vehicle-mounted detection system that crawls, including laying the main scale on the railway roadbed to and lay the vernier on the rail, the main scale with the zero scale mark of vernier is aimed at, through laying the main scale on the railway roadbed near the rail bottom, and lay the vernier on the rail bottom, when the rail crawls and produces the displacement, vernier caliper's theory of operation is utilized to vernier caliper and main scale, can realize high accuracy rail and crawl and measure, have the installation simple, use convenient, measure accurate, outstanding advantage such as with low costs to can crawl the displacement at the measured rail of line optional position.
Description
Technical Field
The utility model relates to a rail traffic engineering technical field, concretely relates to measure scale and seamless line rail displacement vehicle-mounted detecting system that crawls.
Background
With the rapid development of urban rail transit in China, when the urban rail transit is used in line running, the rail is easy to be subjected to the action of temperature and stress of vehicles on the rail, so that the steel rail generates creeping displacement, and the risk of running trains on the rail is increased.
The traditional rail crawling detection method in China comprises a stay wire measurement method and an optical longitude and latitude method, and along with the improvement of the railway detection requirement, a laser measurement method and a photoelectric technology measurement method are developed. The four steel rail displacement measuring methods, measuring tools and equipment are only suitable for manual single-point measurement, the measuring precision of the stay wire measuring method can only reach the range of +/-5 mm generally, the workload is large, and more than two persons are required for measurement; the optical theodolite is complex to operate and inconvenient to use; the laser measurement method and the photoelectric technology measurement method are expensive in required equipment and high in use cost, several methods for detecting the crawling displacement of the steel rail based on machine vision are sequentially provided at present, but the methods are required to embed detection devices at two sides of a rail road shoulder, the method is high in cost, high in manual maintenance difficulty and fixed in detection position, when other positions of a line need to be measured, the detection devices need to be repeatedly installed, and certain risks exist in installation and field measurement.
In order to solve the problems of high cost, complex use and the like of the existing steel rail crawling detection technology, a steel rail crawling detection system with low cost and convenience in use is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measure scale and seamless track rail displacement vehicle-mounted detecting system that crawls to the rail that solves among the prior art crawls detection technique and exists with high costs, uses complicated technical problem.
In order to solve the above technical problem, the utility model particularly provides the following technical scheme:
a measuring scale comprises a main scale and a vernier, wherein the main scale is laid on a track bed close to the bottom of a steel rail, the vernier is laid on the bottom of the steel rail, and zero graduation lines of the main scale and the vernier are aligned.
As a preferred scheme of the utility model, the main scale measurement starting end is provided with a reference scale mechanism, the measurement starting end of the vernier is provided with a movable slide arm, and the end of the movable slide arm is connected with the reference scale mechanism in a sliding manner;
the zero scale line of the movable sliding arm is aligned to the zero scale line of the reference scale mechanism, and the crawling of the steel rail can enable the zero scale line of the movable sliding arm to slide along the scale line of the reference scale mechanism.
As a preferred scheme of the present invention, the reference scale mechanism includes a connecting arm fixedly mounted at an end of the main scale through a bolt, a bidirectional scale parallel to the direction of the main scale is fixedly connected to the connecting arm, a chute for slidably connecting the movable slide arm is formed in the bidirectional scale, and the direction of the chute is parallel to the direction of the bidirectional scale;
the zero scale mark of the bidirectional ruler is positioned in the middle of the bidirectional ruler, and the scale marks of the bidirectional ruler extend towards two ends of the bidirectional ruler respectively.
As a preferred scheme of the utility model, the activity cursor slide can pass through the spout is in slide on the two-way chi, the tip central point of activity cursor slide is forward the toper structure of zero scale mark on the two-way chi.
In order to solve the technical problem, still further provide a seamless steel rail displacement vehicle-mounted detection system that crawls, include:
the carrying platform is used for carrying system equipment and providing power and power supply for the system;
the imaging module comprises a camera unit, an illumination unit and an imaging data acquisition unit;
the data processing module is used for processing image data, comprises the steps of identifying a measuring scale and measuring a steel rail crawling value, outputs and displays the steel rail crawling value through a data interface, and can be the same computing platform as an imaging data acquisition unit in the imaging module;
and the measuring scales are vernier caliper markers, are arranged at the bottom of the steel rail and on the steel rail side track bed in a paired mode and are used for marking the road sections needing steel rail measurement, and measure the steel rail crawling value through corresponding markers.
As an optimized scheme of the utility model, camera unit's formation of image optical axis is towards the track surface for shoot and measure the scale.
As a preferred scheme of the utility model, the camera unit selects either a linear array camera or an area array camera to realize the acquisition of track images;
wherein the lighting unit provides illumination for the camera unit;
the imaging data acquisition unit is an embedded system or an industrial personal computer and is connected to the camera unit through the data acquisition unit for data acquisition.
Compared with the prior art, the utility model following beneficial effect has:
through laying the main scale on the roadbed that is close to the rail bottom to lay the vernier scale on the rail bottom, when the rail crawls and produces the displacement, vernier scale and main scale utilize vernier caliper's theory of operation, can realize that the high accuracy rail crawls and measure, have the installation simple, use convenient, measure accurate, with low costs class outstanding advantage, and can creep the displacement at the rail of line optional position measurement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic view of a detection mark of the vernier caliper remote design in the embodiment of the present invention;
fig. 2 is a schematic diagram of the measurement scale in the embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-main ruler; 2-a vernier scale; 3-a reference ruler mechanism; 4-a movable slide arm;
31-a linker arm; 32-a bidirectional ruler; 33-chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model provides a measuring scale, including laying at the main scale 1 that is close to rail bottom railway roadbed to and lay at the vernier 2 of rail, the zero scale mark alignment of main scale 1 and vernier 2.
A reference ruler mechanism 3 is arranged at the measurement starting end part of the main ruler 1, a movable slide arm 4 is arranged at the measurement starting end part of the vernier 2, and the end part of the movable slide arm 4 is connected with the reference ruler mechanism 3 in a sliding manner;
the zero graduation line of the movable sliding arm 4 is aligned with the zero graduation line of the reference scale mechanism 3, and the steel rail crawling can enable the zero graduation line of the movable sliding arm 4 to slide along the graduation line of the reference scale mechanism 3.
The reference ruler mechanism 3 comprises a connecting arm 31 fixedly installed at the end part of the main ruler 1 through a bolt, a bidirectional ruler 32 parallel to the direction of the main ruler 1 is fixedly connected to the connecting arm 31, a sliding groove 33 for the movable sliding arm 4 to be connected in a sliding mode is formed in the bidirectional ruler 32, and the direction of the sliding groove 33 is parallel to the direction of the bidirectional ruler 32;
wherein the zero scale line of the bidirectional scale 32 is located at the middle portion of the bidirectional scale 32, and the scale lines of the bidirectional scale 32 extend toward both ends of the bidirectional scale 32, respectively.
The movable slide arm 4 can slide on the bidirectional ruler 32 through the sliding chute 33, and the center position of the end part of the movable slide arm 4 is in a conical structure with zero graduation line on the positive bidirectional ruler 32.
After laying main scale 1 and vernier scale 2 and finishing, along with the position that the rail crawled and produced can be along with vernier scale 2 synchronous motion, when vernier scale 2 removed, install the activity cursor 4 at the measurement initiating terminal of vernier scale 2 and can slide on two-way chi 32 under the effect of spout 33, immediately, can measure the concrete numerical value that the rail crawled and produced the position through observing the corresponding numerical value on the directional two-way chi 32 of toper structure of 4 tip of activity cursor 4.
Because the zero graduation line of the bidirectional ruler 32 is arranged at the middle part, when the crawling direction of the steel rail is opposite, the required numerical value can be obtained by observing the graduation of the conical structure at the end part of the movable sliding arm pointing to the other area of the bidirectional ruler 32.
The distance between every two small lattices of the main ruler 1 is 10mm, and the distance between every two small lattices of the vernier 2 is 9 mm;
therefore, the main ruler 1 has 9 grids in total and the total length is 90 mm;
the number of the vernier 2 is 10, and the total length of the vernier 2 is 90 mm;
therefore, the 10 th scale mark of the vernier is aligned with the 9 th scale mark of the main scale, so that the 10 scales of the vernier 2 correspond to a difference of 10mm, and 1mm can be accurately measured by aligning the scales of the vernier 2 and the main scale 1.
As shown in fig. 2, to solve the above technical problem, there is further provided an on-board detection system for seamless steel rail displacement crawling, comprising:
the carrying platform is used for carrying system equipment and providing power and power supply for the system;
the imaging module comprises a camera unit, an illumination unit and an imaging data acquisition unit;
the data processing module is used for processing image data, comprises a measuring scale for identifying and measuring a steel rail crawling value, outputs and displays the steel rail crawling value through a data interface, and can be the same computing platform with an imaging data acquisition unit in the imaging module;
and the measuring scales are used for marking the road sections needing steel rail measurement on the steel rail bottom and the steel rail side track bed in a paired mode and measuring the steel rail crawling value through corresponding marks.
Wherein, the imaging optical axis of the camera unit faces the surface of the track and is used for shooting the measuring scale.
The camera unit is any one of a linear array camera and an area array camera to realize the acquisition of track images;
wherein the lighting unit provides lighting for the camera unit;
the imaging data acquisition unit is an embedded system or an industrial personal computer and is connected to the camera unit through the data acquisition unit for data acquisition.
The system can be used for setting rail displacement crawling on the line at will
The system comprises a carrying platform, an imaging module, a data processing module and a measuring scale, wherein the carrying platform uses a manned robot, the module ensures that the whole detection system can normally run on a track and provides power for the normal running of other modules, a camera unit in the imaging module adopts a linear array camera, and the data acquisition and data processing module are both an industrial personal computer.
And the data processing module is used for reading an image by an imaging module, and calculating the displacement of the vernier scale relative to the main scale by adopting an image processing method according to the measuring principle of the vernier caliper, namely the steel rail crawling value.
The utility model discloses place check out test set on the car is patrolled and examined to the track, only need place two measurement scales in needs measuring rail position, compare in current fixed position detection mode, it is more nimble, it is accurate, and can set up arbitrary quantity's measuring point at the circuit optional position, a plurality of data according to a plurality of measuring points, the condition of crawling of comprehensive assessment jointless track rail displacement also can adapt to various complicated environments such as bridge and tunnel, through testing at current data collection, measurement accuracy is at 1 mm.
According to the line rail displacement observation of 'general speed railway work maintenance labor quota standard' issued by China railway general company as special operation, 2-3 persons are needed each time, and the time for completing the inspection and recording of one observation is 5 min.
The data acquisition of the vehicle-mounted seamless track steel rail displacement crawling detection device is completed under the conditions that the track inspection vehicle runs at the average operation speed of 10km/h (2 people) and does not need to stop, the operation efficiency is greatly improved, and the vehicle-mounted seamless track steel rail displacement crawling detection device can be synchronously operated with other track inspection operations, so that the labor resources are saved.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (7)
1. A measuring scale is characterized by comprising a main scale (1) laid close to a track bed at the bottom of a steel rail and a vernier (2) laid at the bottom of the steel rail, wherein zero graduation lines of the main scale (1) and the vernier (2) are aligned.
2. A measurement scale according to claim 1, wherein: a reference ruler mechanism (3) is arranged at the measurement starting end part of the main ruler (1), a movable sliding arm (4) is arranged at the measurement starting end part of the vernier (2), and the end part of the movable sliding arm (4) is connected with the reference ruler mechanism (3) in a sliding manner;
the zero scale mark of the movable sliding arm (4) is aligned to the zero scale mark of the reference scale mechanism (3), and the crawling of the steel rail can enable the zero scale mark of the movable sliding arm (4) to slide along the scale mark of the reference scale mechanism (3).
3. A measuring scale according to claim 2, wherein the reference scale mechanism (3) comprises a connecting arm (31) fixedly mounted at the end of the main scale (1) by a bolt, a bidirectional scale (32) facing parallel to the main scale (1) is fixedly connected to the connecting arm (31), a sliding slot (33) for slidably connecting the movable sliding arm (4) is formed in the bidirectional scale (32), and the sliding slot (33) faces parallel to the bidirectional scale (32);
wherein the zero graduation line of the bidirectional scale (32) is positioned at the middle part of the bidirectional scale (32), and the graduation lines of the bidirectional scale (32) respectively extend towards the two ends of the bidirectional scale (32).
4. A measuring scale according to claim 3, wherein the movable cursor (4) is able to slide on the two-way ruler (32) through the sliding slot (33), the end center position of the movable cursor (4) being a tapered configuration forward to the zero graduation mark on the two-way ruler (32).
5. The utility model provides a displacement of jointless track rail vehicle-mounted detecting system that crawls which characterized in that includes:
a measurement scale according to any one of claims 1-4;
the carrying platform is used for carrying system equipment and providing power and power supply for the system;
the imaging module comprises a camera unit, an illuminating unit and an imaging data acquisition unit;
the data processing module is used for processing image data, comprises a measuring scale for identifying and measuring a steel rail crawling value, outputs and displays the steel rail crawling value through a data interface, and can be the same computing platform with an imaging data acquisition unit in the imaging module;
the measuring scales are arranged on the bottom of the steel rail and the side track bed of the steel rail in pairs and used for marking the section of the steel rail to be measured, and the crawling value of the steel rail is measured through corresponding marks.
6. The vehicle-mounted detection system for displacement crawling of the seamless steel rail as claimed in claim 5, wherein the imaging optical axis of the camera unit faces the surface of the rail for shooting the measurement scale.
7. The vehicle-mounted detection system for displacement crawling of the seamless steel rail according to claim 6, wherein the camera unit is any one of a line camera and an area camera to realize acquisition of a track image;
wherein the illumination unit provides illumination for the camera unit;
the imaging data acquisition unit is an embedded system or an industrial personal computer and is connected to the camera unit through the data acquisition unit for data acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220007692.2U CN217396529U (en) | 2022-01-05 | 2022-01-05 | Measurement scale and seamless track rail displacement vehicle-mounted detection system that crawls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220007692.2U CN217396529U (en) | 2022-01-05 | 2022-01-05 | Measurement scale and seamless track rail displacement vehicle-mounted detection system that crawls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217396529U true CN217396529U (en) | 2022-09-09 |
Family
ID=83134297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220007692.2U Active CN217396529U (en) | 2022-01-05 | 2022-01-05 | Measurement scale and seamless track rail displacement vehicle-mounted detection system that crawls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217396529U (en) |
-
2022
- 2022-01-05 CN CN202220007692.2U patent/CN217396529U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10731967B2 (en) | System for quickly detecting tunnel deformation | |
| CN102251451B (en) | Track geometric state measurement system and method based on multisource information fusion technology | |
| CN103207403B (en) | Satellite navigation and inertial measurement combined orbit measuring system and method | |
| CN201158385Y (en) | Instrument for accurately testing high-speed railway rails | |
| CN104316024A (en) | Simple cascading camera chain measuring method and system for monitoring multipoint settlement | |
| CN108444432B (en) | Existing railway line control network and track line shape synchronous measurement method | |
| CN110843826A (en) | Accurate measuring equipment for geometrical parameters of track | |
| CN103419812A (en) | Rail subgrade settlement measuring method based on combination of camera shooting, satellite and inertia measurement | |
| CN207850304U (en) | A kind of electrification railway contact net detecting system | |
| CN103335601A (en) | Quick and automatic detection device for overall dimension of moving vehicle | |
| CN111623719B (en) | Laser net monitoring system and monitoring method for monitoring deformation and settlement of building | |
| CN202124809U (en) | Track geometry detecting complete system device | |
| CN108981618A (en) | A kind of tunnel just branch flatness analysis method and system | |
| CN104142135B (en) | Method and device for monitoring horizontal displacement of tunnel based on wireless tilt sensors | |
| CN217396529U (en) | Measurement scale and seamless track rail displacement vehicle-mounted detection system that crawls | |
| CN202347376U (en) | Tongue reduce value measuring instrument | |
| CN103552570A (en) | Vehicle-mounted close-range photogrammetry method for detecting smoothness of railway track | |
| CN111455787A (en) | Pavement detection system based on pavement three-dimensional digitization | |
| CN103868466A (en) | Comprehensive measuring device for deformation of parallel double-joint coordinate measuring machine rotating arm | |
| Gan et al. | Bridge continuous deformation measurement technology based on fiber optic gyro | |
| CN214325109U (en) | Straddle type monorail rail detection device | |
| CN110733534A (en) | rail crawling observation method and system | |
| CN110626383A (en) | Track detection device based on inertia measurement | |
| CN109781064A (en) | A kind of measurement method and system of the elevation of track | |
| CN105480256A (en) | High-speed rail track measuring device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |