阅读说明：本技术 无砟轨道测量方法及其装置 (Ballastless track measuring method and device ) 是由 夏斌 梅新军 张红亮 耿海洋 郑超 张晓东 孙国著 解海星 徐伟康 景晟 袁传锋 于 2020-06-11 设计创作，主要内容包括：本发明涉及轨道检测领域,公开了一种无砟轨道测量方法及其装置。该方法包括：在基于无砟板道放样施工后的待测量钢轨上安装轨检小车,以及在距离轨检小车后方的钢轨中轴线的位置上安装全站仪；根据全站仪的参数设置手册以及当前测量的环境设置全站仪的参数；控制轨检小车依次移动至无砟板道上标记的CPIII控制点对的位置上,并采集轨距数据；控制全站仪采集轨检小车移动至CPIII控制点对位置时的棱镜坐标数据；将轨距数据与棱镜坐标数据输入预置处理软件中,得到轨道误差；判断轨道误差是否超过预置误差阈值；若超过,则调整螺旋杆修正钢轨的轨道误差,直至误差达标。本发明使得无砟轨道的测量更加完善与高效减少了无砟轨道测量事故。(The invention relates to the field of track detection, and discloses a ballastless track measuring method and a ballastless track measuring device. The method comprises the following steps: installing a rail inspection trolley on a steel rail to be measured after lofting construction based on a ballastless track, and installing a total station at a position away from the central axis of the steel rail behind the rail inspection trolley; setting parameters of the total station according to the parameter setting manual of the total station and the currently measured environment; controlling the rail inspection trolley to sequentially move to the position of the CPIII control point pair marked on the ballastless track, and acquiring track gauge data; controlling a total station to collect prism coordinate data when the rail inspection trolley moves to the CPIII control point pair position; inputting the track gauge data and the prism coordinate data into preset processing software to obtain a track error; judging whether the track error exceeds a preset error threshold value or not; if the error of the rail is over, the screw rod is adjusted to correct the rail error of the steel rail until the error reaches the standard. The invention enables the measurement of the ballastless track to be more perfect and efficiently reduces ballastless track measurement accidents.)

1. A ballastless track measuring method is characterized by comprising the following steps:

installing a rail inspection trolley on a steel rail to be measured after lofting construction based on a ballastless track, setting an observation station at a position of a central axis of the steel rail to be measured, which is N meters away from the rear part of the rail inspection trolley, and installing a total station on the observation station, wherein N is a natural number;

setting parameters of the total station according to a parameter setting manual of the total station and a currently measured environment, wherein the parameters comprise: temperature, air pressure, temperature;

controlling the rail inspection trolley to sequentially move to the positions of the CPIII control point pairs marked on the ballastless plate way, and acquiring the rail gauge data of the steel rail, wherein the spacing distance between each pair of CPIII control points on the ballastless plate way ranges from 5m to 10 m;

controlling the total station to collect prism coordinate data when the rail inspection trolley moves to the CPIII control point pair position;

inputting the track gauge data and the prism coordinate data into preset processing software to obtain the track error of the steel rail;

judging whether the track error exceeds a preset error threshold value or not;

and if the error exceeds the preset error threshold, twisting a screw rod on a ballastless plate pavement lofting construction site by using a torque wrench to correct the rail error of the steel rail, and re-collecting the gauge data and the prism coordinate data until the rail error is smaller than the preset error threshold, wherein the preset screw rod is used for adjusting the spatial structure of the steel rail lower support.

2. The ballastless track measuring method of claim 1, wherein the installing of the rail inspection trolley on the rail to be measured after the ballastless track lofting construction, and the setting of the observation station on the position of the central axis of the rail to be measured which is N meters away from the rear of the rail inspection trolley, and the installing of the total station on the observation station comprise:

cleaning a steel rail to be measured, and placing a rail inspection trolley on the steel rail;

selecting observation points of all CPIII control points observed by the total station on the central axis of the steel rail 5 meters away from the rear part of the rail inspection trolley;

and fixing the total station on the observation point through a tripod, wherein the vertical height of the lens of the total station is greater than that of all the CPIII control points.

3. The ballastless track measuring method of claim 2, wherein after said fixing said total station to said observation point by a tripod and a vertical height of a lens of said total station is greater than a vertical height of all of said CPIII control points, further comprising:

judging whether the CPIII control points in the observable range of the total station exceed 4 pairs or not;

if all the CPIII control points do not exceed 4 pairs, placing samples in observable ranges of the total station on two sides of the steel rail to increase the CPIII control points;

punching a groove at the position of the increased CPIII control point by using a percussion drill gun;

removing sundries in the groove by using an air gun;

injecting waterproof glue into the groove to remove air, and screwing the L-shaped steel bar into the groove by using a torque wrench;

and after the waterproof glue is solidified, installing the CPIII control point on the L-shaped steel bar.

4. The ballastless track measuring method of claim 1, wherein the controlling the rail inspection trolley to sequentially move to the positions of the CPIII control point pairs marked on the ballastless track, and the acquiring the track gauge data of the steel rail comprises:

controlling the rail inspection trolley to move to the connecting line position of each CPIII control point pair in the lens shooting range of the total station one by one, and staying for a period of time at the connecting line position of each pair of CPIII control point pairs;

and measuring the gauge data of the steel rail by using the electronic gauge rule on the rail inspection trolley.

5. The ballastless track measurement method of claim 1, wherein the determining whether the track error exceeds a preset error threshold comprises:

and judging whether the transverse track error in the track errors exceeds a preset transverse threshold value or not, and judging whether the vertical track error in the track errors exceeds a preset vertical threshold value or not.

6. The ballastless track measurement method of claim 5, wherein the correcting the track error of the steel rail by twisting the screw rod on the ballastless track lofting construction site by using the torque wrench, and the re-collecting the gauge data and the prism coordinate data until the track error is smaller than a preset error threshold comprises:

if the vertical track error and/or the transverse track error exceed a preset error threshold, determining that the track error exceeds a preset error threshold;

and twisting a vertical screw rod and/or a horizontal screw rod on a ballastless plate pavement lofting construction site by using a torque wrench to correct the rail error of the steel rail, and re-collecting the gauge data and the prism coordinate data until the vertical rail error and/or the transverse rail error is smaller than a preset error threshold.

7. The ballastless track measurement method of claim 1, wherein the twisting the screw rod on the ballastless track lofting construction site with the torque wrench corrects for track errors of the steel rail, and the reacquiring of the gauge data and the prism coordinate data until the track errors are less than a preset error threshold comprises:

inputting the orbit error into the processing software, and calculating the adjustment amount of the screw rod by adopting the accurate analysis of theoretical coordinates and actual coordinates;

adjusting the screw rod according to the adjustment amount;

and acquiring gauge data and prism coordinate data, and inputting the gauge data and the prism coordinate data into the processing software to obtain the rail adjustment error of the steel rail until the rail adjustment error is smaller than a preset error threshold.

8. The ballastless track measurement method of claim 7, wherein after the torsion of the screw rod on the ballastless track lofting construction site by using the torque wrench corrects the track error of the steel rail and the track gauge data and the prism coordinate data are collected again until the track error is smaller than a preset error threshold, the method further comprises:

reading the type of the steel rail, and acquiring a preset acquisition frequency threshold value corresponding to the type;

judging whether the times of re-collecting the track gauge data and the prism coordinate data exceed the collection time threshold value or not;

and if the acquisition frequency threshold is exceeded, stopping adjusting the screw rod on the ballastless plate pavement lofting construction site, and stopping acquiring the track gauge data and the prism coordinate data again.

9. The ballastless track measurement method of claim 1, wherein after the torsion of the screw rod on the ballastless track lofting construction site by using the torque wrench corrects the track error of the steel rail and the track gauge data and the prism coordinate data are collected again until the track error is smaller than a preset error threshold, the method further comprises:

and pouring concrete at the bottom of the ballastless plate to fix the spatial position of the steel rail, wherein the gas-temperature difference cannot exceed 15 ℃ during pouring.

10. The ballastless track measuring device is characterized by comprising the following components: the system comprises a total station, data processing equipment provided with CPIII processing software and a rail inspection trolley, wherein the rail inspection trolley is provided with a prism measuring rod and a precision prism;

the total station is used for observing two side edges of a ballastless track construction site, and performing CPIII control point lofting construction on a track slab on the two side edges to form a steel rail to be measured;

the rail inspection trolley is installed on the steel rail to be measured, the rail inspection trolley is controlled to sequentially move to the positions of the CPIII control point pairs marked on the ballastless track, and the rail gauge data of the steel rail is acquired, wherein the spacing distance between each pair of CPIII control points on the ballastless track is 5 m-10 m;

the total station is also used for acquiring prism coordinate data of the prism measuring rod and the precision prism when the rail inspection trolley moves to the CPIII control point pair position, and inputting the prism coordinate data into the data processing equipment;

the data processing equipment analyzes construction errors according to the gauge data and the prism coordinate data to obtain steel rail errors; judging whether the track error exceeds a preset error threshold value or not; and if the error exceeds the preset error threshold, twisting a screw rod on a ballastless plate pavement lofting construction site by using a torque wrench to correct the rail error of the steel rail, and re-collecting the gauge data and the prism coordinate data until the rail error is smaller than the preset error threshold, wherein the preset screw rod is used for adjusting the spatial structure of the steel rail lower support.

Technical Field

The invention relates to the field of track detection, in particular to a ballastless track measuring method and a ballastless track measuring device.

Background

In recent years, with the increase of the construction mileage of high-speed rail, the construction technology of high-speed rail is also continuously improved. In the continuously upgraded track construction technology, the ballastless track is used as a new track technology, the requirements on stability, continuity and smoothness are very high, and the track measurement precision reaches the millimeter level.

In the prior art, a complete, efficient and very accurate measurement system is required, otherwise, the construction of the ballastless track will generate measurement accidents due to huge deviation. Therefore, a complete and efficient measurement system needs to be established to improve the measurement accuracy of the ballastless track.

Disclosure of Invention

The invention mainly aims to solve the technical problem that the existing ballastless track measurement has lower measurement precision for ballastless track lofting construction.

The invention provides a ballastless track measuring method, which is characterized by comprising the following steps:

installing a rail inspection trolley on a steel rail to be measured after lofting construction based on a ballastless track, setting an observation station at a position of a central axis of the steel rail to be measured, which is N meters away from the rear part of the rail inspection trolley, and installing a total station on the observation station, wherein N is a natural number;

setting parameters of the total station according to a parameter setting manual of the total station and a currently measured environment, wherein the parameters comprise: temperature, air pressure, temperature;

controlling the rail inspection trolley to sequentially move to the positions of the CPIII control point pairs marked on the ballastless plate way, and acquiring the rail gauge data of the steel rail, wherein the spacing distance between each pair of CPIII control points on the ballastless plate way ranges from 5m to 10 m;

controlling the total station to collect prism coordinate data when the rail inspection trolley moves to the CPIII control point pair position;

inputting the track gauge data and the prism coordinate data into preset processing software to obtain the track error of the steel rail;

judging whether the track error exceeds a preset error threshold value or not;

and if the error exceeds the preset error threshold, twisting a screw rod on a ballastless plate pavement lofting construction site by using a torque wrench to correct the rail error of the steel rail, and re-collecting the gauge data and the prism coordinate data until the rail error is smaller than the preset error threshold, wherein the preset screw rod is used for adjusting the spatial structure of the steel rail lower support.

Optionally, in a first implementation manner of the first aspect of the present invention, the installing a rail inspection trolley on the to-be-measured steel rail after the ballastless track lofting construction, and setting an observation station at a position of a central axis of the to-be-measured steel rail N meters away from the rear of the rail inspection trolley, and installing a total station on the observation point includes:

cleaning a steel rail to be measured, and placing a rail inspection trolley on the steel rail;

selecting observation points of all CPIII control points observed by the total station on the central axis of the steel rail which is N meters away from the rear part of the rail inspection trolley;

and fixing the total station on the observation point through a tripod, wherein the vertical height of the lens of the total station is greater than that of all the CPIII control points.

Optionally, in a second implementation manner of the first aspect of the present invention, after the fixing the total station on the observation point by a tripod and the vertical height of the lens of the total station is greater than the vertical heights of all the CPIII control points, the method further includes:

judging whether the CPIII control points in the observable range of the total station exceed 4 pairs or not;

if all the CPIII control points do not exceed 4 pairs, placing samples in observable ranges of the total station on two sides of the steel rail to increase the CPIII control points;

punching a groove at the position of the increased CPIII control point by using a percussion drill gun;

removing sundries in the groove by using an air gun;

injecting waterproof glue into the groove to remove air, and screwing the L-shaped steel bar into the groove by using a torque wrench;

and after the waterproof glue is solidified, installing the CPIII control point on the L-shaped steel bar.

Optionally, in a third implementation manner of the first aspect of the present invention, the controlling the rail inspection trolley to sequentially move to the positions of the CPIII control point pairs marked on the ballastless track, and acquiring the track gauge data of the steel rail includes:

controlling the rail inspection trolley to move to the connecting line position of each CPIII control point pair in the lens shooting range of the total station one by one, and staying for a period of time at the connecting line position of each pair of CPIII control point pairs;

and measuring the gauge data of the steel rail by using the electronic gauge rule on the rail inspection trolley.

Optionally, in a fourth implementation manner of the first aspect of the present invention, the determining whether the track error exceeds a preset error threshold includes:

and judging whether the transverse track error in the track errors exceeds a preset transverse threshold value or not, and judging whether the vertical track error in the track errors exceeds a preset vertical threshold value or not.

Optionally, in a fifth implementation manner of the first aspect of the present invention, if the error exceeds a preset error threshold, the twisting a screw rod on a ballastless roadway lofting construction site by using a torque wrench corrects a track error of the steel rail, and re-acquiring the track gauge data and the prism coordinate data until the track error is smaller than the preset error threshold includes:

if the vertical track error and/or the transverse track error exceed a preset error threshold, determining that the track error exceeds a preset error threshold;

and twisting a vertical screw rod and/or a horizontal screw rod on a ballastless plate pavement lofting construction site by using a torque wrench to correct the rail error of the steel rail, and re-collecting the gauge data and the prism coordinate data until the vertical rail error and/or the transverse rail error is smaller than a preset error threshold.

Optionally, in a sixth implementation manner of the first aspect of the present invention, the correcting the track error of the steel rail by twisting the screw rod on the ballastless roadway lofting construction site with the torque wrench, and re-collecting the track gauge data and the prism coordinate data until the track error is smaller than the preset error threshold includes:

inputting the orbit error into the processing software, and calculating the adjustment amount of the screw rod by adopting the accurate analysis of theoretical coordinates and actual coordinates;

adjusting the screw rod according to the adjustment amount;

and acquiring gauge data and prism coordinate data, and inputting the gauge data and the prism coordinate data into the processing software to obtain the rail adjustment error of the steel rail until the rail adjustment error is smaller than a preset error threshold.

Optionally, in a seventh implementation manner of the first aspect of the present invention, after the torsion of the screw rod on the ballastless roadway lofting construction site by using the torque wrench corrects the track error of the steel rail, and the track gauge data and the prism coordinate data are collected again until the track error is smaller than a preset error threshold, the method further includes:

reading the type of the steel rail, and acquiring a preset acquisition frequency threshold value corresponding to the type;

judging whether the times of re-collecting the track gauge data and the prism coordinate data exceed the collection time threshold value or not;

and if the acquisition frequency threshold is exceeded, stopping adjusting the screw rod on the ballastless plate pavement lofting construction site, and stopping acquiring the track gauge data and the prism coordinate data again.

Optionally, in an eighth implementation manner of the first aspect of the present invention, after the torsion of the screw rod on the ballastless roadway lofting construction site by using the torque wrench corrects the track error of the steel rail, and the track gauge data and the prism coordinate data are collected again until the track error is smaller than a preset error threshold, the method further includes:

and pouring concrete at the bottom of the ballastless plate to fix the spatial position of the steel rail, wherein the gas-temperature difference cannot exceed 15 ℃ during pouring.

The invention provides a ballastless track measuring device in a second aspect, which is characterized by comprising: the system comprises a total station, data processing equipment provided with CPIII processing software and a rail inspection trolley, wherein the rail inspection trolley is provided with a prism measuring rod and a precision prism;

the total station is used for observing two side edges of a ballastless track construction site, and performing CPIII control point lofting construction on a track slab on the two side edges to form a steel rail to be measured;

the rail inspection trolley is installed on the steel rail to be measured, the rail inspection trolley is controlled to sequentially move to the positions of the CPIII control point pairs marked on the ballastless track, and the rail gauge data of the steel rail is acquired, wherein the spacing distance between each pair of CPIII control points on the ballastless track is 5 m-10 m;

the total station is also used for acquiring prism coordinate data of the prism measuring rod and the precision prism when the rail inspection trolley moves to the CPIII control point pair position, and inputting the prism coordinate data into the data processing equipment;

the data processing equipment analyzes construction errors according to the gauge data and the prism coordinate data to obtain steel rail errors; judging whether the track error exceeds a preset error threshold value or not; and if the error exceeds the preset error threshold, twisting a screw rod on a ballastless plate pavement lofting construction site by using a torque wrench to correct the rail error of the steel rail, and re-collecting the gauge data and the prism coordinate data until the rail error is smaller than the preset error threshold, wherein the preset screw rod is used for adjusting the spatial structure of the steel rail lower support.

In the technical scheme provided by the invention, a rail inspection trolley is arranged on a steel rail to be measured after the ballastless plate way lofting construction, an observation station is arranged at the position of the central axis of the steel rail to be measured, which is N meters away from the rear part of the rail inspection trolley, and a total station is arranged on the observation station, wherein N is a natural number; setting parameters of the total station according to a parameter setting manual of the total station and a currently measured environment, wherein the parameters comprise: temperature, air pressure, temperature; controlling the rail inspection trolley to sequentially move to the positions of the CPIII control point pairs marked on the ballastless plate way, and acquiring the rail gauge data of the steel rail, wherein the spacing distance between each pair of CPIII control points on the ballastless plate way ranges from 5m to 10 m; controlling the total station to collect prism coordinate data when the rail inspection trolley moves to the CPIII control point pair position; inputting the track gauge data and the prism coordinate data into preset processing software to obtain the track error of the steel rail; judging whether the track error exceeds a preset error threshold value or not; and if the error exceeds the preset error threshold, twisting a screw rod on a ballastless plate pavement lofting construction site by using a torque wrench to correct the rail error of the steel rail, and re-collecting the gauge data and the prism coordinate data until the rail error is smaller than the preset error threshold, wherein the preset screw rod is used for adjusting the spatial structure of the steel rail lower support. In the embodiment of the invention, the rail inspection trolley is used for detecting the rail error with high precision, the rail support is rechecked and adjusted to correct the deviation of the rail, the measurement precision of the ballastless rail is improved, the ballastless rail measurement accidents are reduced, the fine detection of the ballastless rail is realized, and the realization of the installation of the ballastless rail is ensured.

Drawings

Fig. 1 is a schematic diagram of a first embodiment of a ballastless track measuring method in the embodiment of the invention;

fig. 2 is a schematic diagram of a second embodiment of the ballastless track measuring method in the embodiment of the invention;

fig. 3 is a schematic diagram of a third embodiment of the ballastless track measuring method in the embodiment of the invention;

fig. 4 is a schematic diagram of a fourth embodiment of the ballastless track measuring method in the embodiment of the invention;

fig. 5 is a schematic view illustrating an implementation scenario of a ballastless track measurement method according to an embodiment of the present invention;

fig. 6 is a first implementation data diagram of an implementation scenario of a ballastless track measuring device according to an embodiment of the present invention;

fig. 7 is a second implementation data diagram of an implementation scenario of the ballastless track measuring apparatus according to the embodiment of the invention;

fig. 8 is a schematic view of an embodiment of a ballastless track measuring device in the embodiment of the invention.

Detailed Description

The embodiment of the invention provides a ballastless track measuring method and a ballastless track measuring device.

In the technical scheme provided by the invention, a rail inspection trolley is arranged on a steel rail to be measured after the ballastless plate way lofting construction, an observation station is arranged at the position of the central axis of the steel rail to be measured, which is N meters away from the rear part of the rail inspection trolley, and a total station is arranged on the observation station, wherein N is a natural number; setting parameters of the total station according to a parameter setting manual of the total station and a currently measured environment, wherein the parameters comprise: temperature, air pressure, temperature; controlling the rail inspection trolley to sequentially move to the positions of the CPIII control point pairs marked on the ballastless plate way, and acquiring the rail gauge data of the steel rail, wherein the spacing distance between each pair of CPIII control points on the ballastless plate way ranges from 5m to 10 m; controlling the total station to collect prism coordinate data when the rail inspection trolley moves to the CPIII control point pair position; inputting the track gauge data and the prism coordinate data into preset processing software to obtain the track error of the steel rail; judging whether the track error exceeds a preset error threshold value or not; and if the error exceeds the preset error threshold, twisting a screw rod on a ballastless plate pavement lofting construction site by using a torque wrench to correct the rail error of the steel rail, and re-collecting the gauge data and the prism coordinate data until the rail error is smaller than the preset error threshold, wherein the preset screw rod is used for adjusting the spatial structure of the steel rail lower support. In the embodiment of the invention, the rail inspection trolley is used for detecting the rail error with high precision, the rail support is rechecked and adjusted to correct the deviation of the rail, the measurement precision of the ballastless rail is improved, the ballastless rail measurement accidents are reduced, the fine detection of the ballastless rail is realized, and the realization of the installation of the ballastless rail is ensured.