阅读说明：本技术 一种动态轨道几何状态测量方法 (dynamic orbit geometric state measuring method ) 是由 汤友富 王旭明 黄新连 周云 邹文静 王春芳 于 2019-10-17 设计创作，主要内容包括：本申请实施例涉及轨道检测技术领域,具体地,涉及一种动态轨道几何状态测量方法。该动态轨道几何状态测量方法采用动态轨道几何状态测量装置和全站仪对轨道进行测量,并包括：将待测量轨道划分为多个测量单元；对所述全站仪进行自由设站后方交会；在测量单元的起点通过所述全站仪对所述动态轨道几何状态测量装置进行约束测量；驱动所述动态轨道几何状态测量装置从测量单元的起点朝向终点移动,并通过所述测量机构进行移动测量；在测量单元的终点通过所述全站仪对所述动态轨道几何状态测量装置进行约束测量；重复执行第三步骤到第五步骤,完成对依次相邻的三个测量单元的测量；循环执行第二步骤到第六步骤,完成对所有测量单元的测量。该测量方法具有检测速度快和检测效率高的特点。(The embodiment of the application relates to the technical field of track detection, in particular to dynamic track geometric state measuring methods, which adopt a dynamic track geometric state measuring device and a total station to measure a track and comprise the steps of dividing the track to be measured into a plurality of measuring units, freely setting stations for the total station to meet, carrying out constraint measurement on the dynamic track geometric state measuring device at the starting point of the measuring unit through the total station, driving the dynamic track geometric state measuring device to move from the starting point to the end point of the measuring unit and carrying out movement measurement through a measuring mechanism, carrying out constraint measurement on the dynamic track geometric state measuring device at the end point of the measuring unit through the total station, repeatedly executing the third step to the fifth step to complete measurement on three measuring units which are adjacent in sequence, and circularly executing the second step to the sixth step to complete measurement on all measuring units.)

The method for measuring the geometrical state of the dynamic track is characterized in that the track is measured by a dynamic track geometrical state measuring device and a total station, the dynamic track geometrical state measuring device comprises a walking mechanism and a measuring mechanism, the walking mechanism comprises a vehicle body, wheels arranged at the bottom of the vehicle body, and a push rod and/or a driving assembly fixedly arranged on the vehicle body, and the driving assembly is in transmission connection with the wheels, and the method for measuring the geometrical state of the dynamic track comprises the following steps:

, dividing the track to be measured into a plurality of measuring units and movably mounting the dynamic track geometric state measuring device on the track to be measured;

step two, freely setting up a station and then crossing the total station;

a third step of performing constraint measurement on the dynamic orbit geometric state measuring device through the total station at the starting point of a measuring unit;

a fourth step of driving the dynamic track geometric state measuring device to move from a starting point to an end point of the measuring unit, and performing movement measurement by the measuring mechanism;

a fifth step of performing constraint measurement on the dynamic track geometric state measuring device through the total station at the end point of the measuring unit;

a sixth step of repeating the third to fifth steps to complete the measurement of three measurement units which are adjacent in sequence;

and a seventh step of circularly executing the second step to the sixth step to finish the measurement of all the measurement units.

2. The dynamic rail geometry measuring method according to claim 1, wherein dividing the rail to be measured into a plurality of measuring units comprises:

and determining a working paragraph and a mileage range of the track to be measured, and dividing the working paragraph into a plurality of measuring units according to a preset distance.

3. The dynamic trajectory geometry measuring method according to claim 2, wherein the predetermined pitch is 40m to 80 m.

4. A dynamic track geometry measuring method as claimed in claim 3 wherein the predetermined pitch is 60 m.

5. The dynamic orbital geometry measurement method of claim 4, wherein performing a free-set post-crossing of the total station comprises:

taking the erection position of the total station as a reference point, symmetrically arranging at least four pairs of CP III control points at two sides of the track to be measured in the front-back direction of the erection position of the total station, arranging CP III prisms at the CP III control points, and enabling the reflecting surfaces of the CP III prisms to be opposite to the total station;

and operating the total station to sequentially look back at the selected CP III prisms by a full circle observation method to complete station setting and orientation of the total station.

6. The method of claim 5, wherein when the median error of the station setting accuracy is greater than 0.7mm, the CP iii control point with larger error is eliminated, and the total station is re-set and oriented.

7. The method as claimed in claim 5, wherein an embedded sleeve is provided at the CP III control point, and the CP III prism is inserted into the embedded sleeve.

8. The dynamic track geometry measuring method of claim 5, wherein said performing a constraint measurement of said dynamic track geometry measuring device by said total station at a starting point of a measuring unit, comprises:

and statically arranging the dynamic track geometric state measuring device at the starting position of the measuring unit, controlling the total station to acquire coordinate information of a target prism on the dynamic track geometric state measuring device, and simultaneously carrying out zero clearing operation on a rotary encoder of the measuring mechanism.

9. The dynamic track geometry measuring method according to claim 8, wherein driving the dynamic track geometry measuring device to move from a start point toward an end point of a measuring unit and performing movement measurement by the dynamic track geometry measuring device comprises:

driving the dynamic track geometric state measuring device to rapidly move from a starting point position of a measuring unit to an end point position along the track to be measured;

in the moving process of the dynamic track geometric state measuring device, the inertial navigator of the measuring mechanism is used for continuously acquiring attitude information, the rotary encoder is used for acquiring mileage information of the track to be measured, and the distance sensor of the measuring mechanism is used for continuously acquiring track gauge information of the track to be measured.

10. The dynamic track geometry measuring method of claim 9, wherein performing a constraint measurement of said dynamic track geometry measuring device at a terminal point of a measuring unit by said total station comprises:

and statically arranging the dynamic track geometric state measuring device at the end point position of the measuring unit, and controlling the total station to collect the coordinate information of the target prism.

11. The dynamic orbital geometry surveying method of claim 10, further comprising, prior to said total station being subjected to a free-set post-crossing: initially aligning the inertial navigator.

12. The dynamic orbit geometry measurement method of claim 11, wherein initially aligning the inertial navigator comprises:

and placing the dynamic track geometric state measuring device at the starting point of a working paragraph, fixing the dynamic track geometric state measuring device on the track to be measured, acquiring data in a static state, calculating the initial posture of the inertial navigator, and finishing the initial alignment of the inertial navigator.

13. The dynamic orbital geometry surveying method of claim 12, further comprising, prior to said total station being subjected to a free-set post-crossing: and erecting the total station.

14. The dynamic orbit geometry surveying method of claim 13, wherein erecting the total station comprises:

erecting the total station at the middle position of every adjacent three measuring units along the extending direction of the track to be measured.

15. The dynamic rail geometry measuring method according to claim 8, wherein the running gear further includes a roller height-adjustably mounted to the vehicle body bottom in a vertical direction; the rotary encoder is coaxially arranged with the roller.

16. The dynamic rail geometry measuring method according to claim 9, wherein the traveling mechanism further includes a fixed wheel and a movable wheel which are disposed opposite to each other in a width direction of the rail to be measured; the axial leads of the fixed wheels and the movable wheels are arranged along the vertical direction;

the fixed wheels can be fixedly arranged at the bottom of the vehicle body in a rotating mode around the axial lead of the fixed wheels, the fixed wheels are arranged along the extending direction of the track to be measured, and the rims of the fixed wheels are abutted to the -side inner surface of the track to be measured;

the movable wheel can rotate around the axis line of the movable wheel and is elastically installed at the bottom of the vehicle body with the distance between the movable wheel and the fixed wheel adjustable, and the rim of the movable wheel is abutted with the inner surface of the other sides of the track to be measured;

the distance sensor is mounted on the fixed wheel.

17. The method according to claim 9, wherein an adapter plate is fixedly mounted on the top of the vehicle body through a bolt, and the inertial navigator is fixedly mounted on the adapter plate through a bolt.

18. The method for measuring the geometric state of the dynamic track according to claim 8, wherein a support rod is fixedly connected to the top of the vehicle body, and a clamp is fixedly mounted on the top of the support rod;

the target prism is fixedly arranged on the fixture.

19. The dynamic rail geometry measuring method of as claimed in any one of claims 1-18, wherein a push rod base is fixedly connected to the car body, the push rod is hinged to the push rod base, and a push rod handle is welded to the push rod.

20. The dynamic rail geometry measuring method according to any one of claims 1 to 18 and , wherein an illumination lamp and a controller are fixedly mounted on the car body;

the controller is in signal connection with the measuring mechanism and the driving assembly and is used for controlling the measuring mechanism and the driving assembly to work and collecting the measuring data of the measuring mechanism.

Technical Field

The application relates to the technical field of track detection, in particular to dynamic track geometric state measuring methods.

Background

In the track laying fine adjustment working stage of a newly-built railway, a track static geometric state measuring device (hereinafter referred to as a static track inspection trolley) is matched with a total station to measure track sleeper position points one by one, and in the conventional static measuring method, the static track inspection trolley is pushed to the sleeper position to be in a static state, the track gauge and the ultrahigh inclination angle of the track are collected, the total station is controlled to measure the coordinates of a target prism on the static track inspection trolley, fine adjustment software calculates internal geometric state parameters and external parameters of the track sleeper position, times of measurement on sleepers of the static track inspection trolley are completed, then the static track inspection trolley is pushed to adjacent sleepers, the operation is cycled, the whole measuring process of the static track inspection trolley is carried out in a walking and stopping mode, times of every sleepers require at least 10 seconds, the sleepers are pushed to travel between the adjacent sleepers, sleepers generally require 25 seconds, working groups can finish track fine adjustment work in 1 hour at once, three-night, and the track fine adjustment working line measurement is carried out on a newly-built railway, and the track fine adjustment working line is calculated for measuring three-100 kilometers in total.

In summary, the conventional static measurement method for the track has the defects of low detection speed and low detection efficiency.

Disclosure of Invention

The embodiment of the application provides dynamic orbit geometric state measuring methods, and the measuring method has the characteristics of high detection speed and high detection efficiency.

The embodiment of the application provides dynamic track geometric state measuring methods, which adopt a dynamic track geometric state measuring device and a Total Station (Electronic Total Station) to measure a track, wherein the dynamic track geometric state measuring device comprises a travelling mechanism and a measuring mechanism, the travelling mechanism comprises a vehicle body, wheels arranged at the bottom of the vehicle body, and a push rod and/or a driving component fixedly arranged on the vehicle body, and the driving component is in transmission connection with the wheels, and the dynamic track geometric state measuring method comprises the following steps:

, dividing the track to be measured into a plurality of measuring units and movably mounting the dynamic track geometric state measuring device on the track to be measured;

step two, freely setting up a station and then crossing the total station;

a third step of performing constraint measurement on the dynamic orbit geometric state measuring device through the total station at the starting point of a measuring unit;

a fourth step of driving the dynamic track geometric state measuring device to move from a starting point to an end point of the measuring unit, and performing movement measurement by the measuring mechanism;

a fifth step of performing constraint measurement on the dynamic track geometric state measuring device through the total station at the end point of the measuring unit;

a sixth step of repeating the third to fifth steps to complete the measurement of three measurement units which are adjacent in sequence;

and a seventh step of circularly executing the second step to the sixth step to finish the measurement of all the measurement units.

Preferably, dividing the track to be measured into a plurality of measuring units comprises:

and determining a working paragraph and a mileage range of the track to be measured, and dividing the working paragraph into a plurality of measuring units according to a preset distance.

Preferably, the predetermined pitch is 40m to 80 m.

Preferably, the predetermined pitch is 60 m.

Preferably, the performing a free post-station crossing for the total station comprises:

taking the erection position of the total station as a reference point, symmetrically arranging at least four pairs of CP III control points at two sides of the track to be measured in the front-back direction of the erection position of the total station, arranging CP III prisms at the CP III control points, and enabling the reflecting surfaces of the CP III prisms to be opposite to the total station;

and operating the total station to sequentially look back at the selected CP III prisms by a full circle observation method to complete station setting and orientation of the total station.

Preferably, when the error in the station setting precision is larger than 0.7mm, the CP III control point with the larger error is removed, and the total station is reset and oriented.

Preferably, an embedded sleeve is arranged at the CP III control point, and the CP III prism is inserted into the embedded sleeve.

Preferably, the performing a constraint measurement on the dynamic orbit geometry state measuring device by the total station at a starting point of a measuring unit comprises:

and statically arranging the dynamic track geometric state measuring device at the starting position of the measuring unit, controlling the total station to acquire coordinate information of a target prism on the dynamic track geometric state measuring device, and simultaneously carrying out zero clearing operation on a rotary encoder of the measuring mechanism.

Preferably, the driving the dynamic track geometry measuring device to move from the starting point to the end point of the measuring unit and to perform movement measurement by the dynamic track geometry measuring device includes:

driving the dynamic track geometric state measuring device to rapidly move from a starting point position of a measuring unit to an end point position along the track to be measured;

in the moving process of the dynamic track geometric state measuring device, attitude information is continuously acquired through an Inertial Navigation System (INS for short) of the measuring mechanism, mileage information of the track to be measured is acquired through the rotary encoder, and track gauge information of the track to be measured is continuously acquired through a distance sensor of the measuring mechanism.

Preferably, the performing a constraint measurement of the dynamic orbit geometry measurement device by the total station at the end point of the measurement unit comprises:

and statically arranging the dynamic track geometric state measuring device at the end point position of the measuring unit, and controlling the total station to collect the coordinate information of the target prism.

Preferably, before the total station is handed over from a station to a station, the method further comprises: initially aligning the inertial navigator.

Preferably, the initial alignment of the inertial navigator is performed, comprising:

and placing the dynamic track geometric state measuring device at the starting point of a working paragraph, fixing the dynamic track geometric state measuring device on the track to be measured, acquiring data in a static state, calculating the initial posture of the inertial navigator, and finishing the initial alignment of the inertial navigator.

Preferably, before the total station is handed over from a station to a station, the method further comprises: and erecting the total station.

Preferably, erecting the total station comprises:

erecting the total station at the middle position of every adjacent three measuring units along the extending direction of the track to be measured.

Preferably, the running mechanism further comprises a roller which is mounted on the bottom of the vehicle body in a height-adjustable mode along the vertical direction; the rotary encoder is coaxially arranged with the roller.

Preferably, the walking mechanism further comprises a fixed wheel and a movable wheel which are oppositely arranged along the width direction of the track to be measured; the axial leads of the fixed wheels and the movable wheels are arranged along the vertical direction;

the fixed wheels can be fixedly arranged at the bottom of the vehicle body in a rotating mode around the axial lead of the fixed wheels, the fixed wheels are arranged along the extending direction of the track to be measured, and the rims of the fixed wheels are abutted to the -side inner surface of the track to be measured;

the movable wheel can rotate around the axis line of the movable wheel and is elastically installed at the bottom of the vehicle body with the distance between the movable wheel and the fixed wheel adjustable, and the rim of the movable wheel is abutted with the inner surface of the other sides of the track to be measured;

the distance sensor is mounted on the fixed wheel.

Preferably, an adapter plate is fixedly installed at the top of the vehicle body through a bolt, and the inertial navigator is fixedly installed on the adapter plate through a bolt.

Preferably, a support rod is fixedly connected to the top of the vehicle body, and a clamp is fixedly mounted on the top of the support rod;

the target prism is fixedly arranged on the fixture.

Preferably, a push rod base is fixedly connected to the vehicle body, the push rod is hinged to the push rod base, and a push rod handle is welded to the push rod.

Preferably, a lighting lamp and a controller are fixedly mounted on the vehicle body;

the controller is in signal connection with the measuring mechanism and the driving assembly and is used for controlling the measuring mechanism and the driving assembly to work and collecting the measuring data of the measuring mechanism.

By adopting the method for measuring the geometric state of the dynamic track provided by the embodiment of the application, the following beneficial effects are achieved:

the dynamic track geometric state measuring method adopts the dynamic track geometric state measuring device and the total station to realize track measurement, in the measuring process, a track to be measured is divided into a plurality of measuring units according to a preset distance, static measurement is carried out only at the starting point and the terminal point of the measuring unit through the total station, the attitude information of the track can be quickly acquired between the starting point and the terminal point of the measuring unit through the travelling mechanism and the measuring mechanism, the measuring times of the total station are greatly reduced, the defect of the total station on the measuring efficiency is avoided, and the measuring efficiency is greatly improved.

Drawings

The accompanying drawings, which are incorporated herein and constitute part of this application and are included to provide a further understanding of the application, section of the application, illustrate embodiments of the application and together with the description serve to explain the application and not to limit the application.

Fig. 1 is a flowchart of methods for measuring a dynamic track geometry according to embodiments of the present disclosure;

fig. 2 is a front view of a dynamic track geometry measuring device used in the dynamic track geometry measuring method according to the embodiment of the present application;

fig. 3 is a top view of a dynamic track geometry measuring device used in the dynamic track geometry measuring method according to the embodiment of the present application;

fig. 4 is a left side view of a dynamic track geometry status measuring device used in the dynamic track geometry status measuring method according to the embodiment of the present application.

Reference numerals:

1-a transverse base; 2-a longitudinal base; 3-vehicle wheels; 4-inertial navigator; 5-a rotary encoder; 6-a push rod; 7-a roller; 8-a fixed wheel; 9-a movable wheel; 10-an adapter plate; 11-a push rod base; 12-a push-rod handle; 13-a support bar; 14-a fixture; 15-a handle; 16-a power supply; 17-a lighting lamp; 18-controller

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description is made for the exemplary embodiments of the present application with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments are exhaustive.

Referring to fig. 1, 2, 3 and 4, an embodiment of the present application provides dynamic rail geometric state measuring methods, where the dynamic rail geometric state measuring methods use a dynamic rail geometric state measuring device and a total station (not shown in the drawings) to measure a rail, the dynamic rail geometric state measuring device includes a traveling mechanism and a measuring mechanism, the traveling mechanism includes a vehicle body, wheels 3 mounted at the bottom of the vehicle body, and a push rod 6 and/or a driving assembly (not shown in the drawings) fixedly mounted on the vehicle body, and the driving assembly is in transmission connection with the wheels 3, and the dynamic rail geometric state measuring methods include the following steps:

the step S10, which is to divide the track to be measured into a plurality of measuring units and movably mount the dynamic track geometric state measuring device on the track to be measured, includes the steps of determining the working paragraph and the mileage range of the track to be measured, and dividing the working paragraph into a plurality of measuring units according to a predetermined distance, wherein the predetermined distance can be 40 m-80 m, such as 40m, 50m, 60m, 70m and 80 m.

Step S20, freely setting a station for the total station and then crossing; taking the erection position of the total station as a reference point, symmetrically arranging at least four pairs of CP III control points on two sides of a track to be measured in the front-back direction of the erection position of the total station, arranging CP III prisms at the CP III control points, and enabling reflecting surfaces of the CP III prisms to face the total station; and operating the total station to sequentially look back at the selected CP III prisms by a full circle observation method to complete station setting and orientation of the total station. In order to conveniently install the CP III prism, an embedded sleeve is arranged at each CP III control point, and the CP III prism is inserted into the embedded sleeve. In the process of setting and orienting the total station, when the mean error is less than or equal to 0.7mm, the setting precision is qualified, when the mean error of the setting precision is greater than 0.7mm, the CP III control point with a large error is removed, and the total station is reset and oriented.

A third step S30, performing constraint measurement on the dynamic orbit geometric state measurement device by using the total station at the starting point of the measurement unit, specifically including: the dynamic track geometric state measuring device is statically arranged at the starting point of the measuring unit, the total station can be controlled by the controller 18 of the dynamic track geometric state measuring device to acquire the coordinate information of a target prism on the dynamic track geometric state measuring device, and meanwhile, the zero clearing operation is carried out on the rotary encoder 5 of the measuring mechanism; the controller 18 may be provided with a human-computer interaction interface, when performing constraint measurement, the acquisition software running on the controller 18 such as a microcomputer controls the total station to acquire coordinates of a target prism on the dynamic orbit geometric state measuring device in a wireless communication manner by clicking a 'constraint measurement' button on the operation interface, and the acquisition software performs zero clearing operation on the rotary encoder 5.

A fourth step S40, driving the dynamic track geometry measuring device to move from the starting point to the end point of the measuring unit, and performing movement measurement by the dynamic track geometry measuring device, which specifically includes: the push rod 6 can be pushed by manpower to drive the dynamic track geometric state measuring device to rapidly move from the starting point position of the measuring unit to the end point position along the track to be measured, and a driving component such as an electric motor, an internal combustion engine and the like can also be used for generating driving force to rotate the wheels 3 through transmission connection, so that the dynamic track geometric state measuring device is driven to rapidly move from the starting point position of the measuring unit to the end point position along the track to be measured; in the process of moving the dynamic track geometric state measuring device, attitude information is continuously acquired through an Inertial Navigation System (INS) 4 of the measuring mechanism, mileage information of the track to be measured is acquired through a rotary encoder 5, and track gauge information of the track to be measured is continuously acquired through a distance sensor of the measuring mechanism. During the movement measurement process in the measurement unit interval, the "move measurement" button on the operation interface of the controller 18 may be clicked, and the dynamic track geometry measuring device is pushed to move rapidly from the start position of the measurement unit to the end position of the measurement unit in the measurement unit interval.

A fifth step S50, performing constraint measurement on the dynamic orbit geometric state measurement device through a total station at the end point of the measurement unit, specifically including: the dynamic track geometric state measuring device is statically arranged at the end point position of the measuring unit, and the total station can be controlled by the controller 18 to collect the coordinate information of the target prism on the dynamic track geometric state measuring device; when the terminal of the measuring unit performs constraint measurement, a 'constraint measurement' button on an operation interface of the controller 18 can be clicked, and acquisition software running on the controller 18 such as a microcomputer controls a total station to acquire coordinate information of a target prism on the dynamic track geometric state measuring device in a wireless communication mode.

A sixth step S60 of repeatedly executing the third step S30 to the fifth step S50 to complete the measurement of three measurement units which are adjacent in sequence, that is, repeatedly executing the third step S30, the fourth step S40 and the fifth step S50 to complete the measurement of three measurement units which are adjacent in sequence, and repeatedly executing the third step S30 to the fifth step S50 to complete the measurement of the track to be measured of three adjacent measurement intervals by times of measurement.

A seventh step S70 of executing the second step S20 to the sixth step S60 in a loop to complete the measurement of all the measurement units, that is, executing the second step S20, the third step S30, the fourth step S40, the fifth step S50 and the sixth step S60 repeatedly in sequence to complete the measurement of all the measurement units; by repeatedly performing the operations of the second step S20 through the sixth step S60, the measurement of all the measurement units can be completed.

The dynamic track geometric state measuring method adopts the dynamic track geometric state measuring device and the total station to realize track measurement, in the measuring process, a track to be measured is divided into a plurality of measuring units according to a preset distance, static measurement is carried out only at the starting point and the terminal point of the measuring unit through the total station, the attitude information of the track can be quickly acquired between the starting point and the terminal point of the measuring unit through the travelling mechanism and the measuring mechanism, the measuring times of the total station are greatly reduced, the defect of the total station on the measuring efficiency is avoided, and the measuring efficiency is greatly improved.

In the above dynamic orbit geometric state measuring method, as shown in the structure of fig. 1, before the second step S20 of performing a free-standing rear intersection on the total station, the method further includes an eighth step S80: the initial alignment of the inertial navigator 4 specifically includes: and placing the dynamic orbit geometric state measuring device at the starting point of the working paragraph, fixing the dynamic orbit geometric state measuring device on the orbit to be measured, acquiring data in a static state for 5min, calculating the initial posture of the inertial navigator 4, and finishing the initial alignment of the inertial navigator 4.

Before the total station is freely crossed behind the station, the method for measuring the geometrical state of the dynamic track further comprises a ninth step S90 of erecting the total station, specifically, erecting the total station at the middle position of every three adjacent measuring units along the extending direction of the track to be measured, namely, erecting the total station at the position 90 meters away from the starting position of the th measuring unit along the length direction of the track to be measured at the middle position of every three adjacent measuring units.

In the process of measuring the track by using the above dynamic track geometric state measuring method, the adopted dynamic track geometric state measuring device may refer to the structures shown in fig. 2, 3 and 4, and fig. 2, 3 and 4 are schematic structural diagrams of different angles of the dynamic track geometric state measuring device, and the dynamic track geometric state measuring device includes a traveling mechanism and a measuring mechanism; wherein:

the running mechanism comprises a vehicle body, three wheels 3 which are distributed in a triangular manner, and a push rod 6 and/or a driving assembly which are fixedly mounted on the vehicle body, wherein the driving assembly is in transmission connection with the wheels 3, the wheels 3 can be rotatably mounted at the bottom of the vehicle body around the axial lead thereof, the push rod 6 is used for pushing the running mechanism to move along a track, when the dynamic track geometric state measuring device is used for measuring, the dynamic track geometric state measuring device is placed on the track as shown in a structure in figure 2, the wheels 3 are supported on the top surface of the same track, and wheels 3 are supported on the top surface of another track, the running mechanism is used for driving the dynamic track geometric state measuring device to move along the track so as to measure the track, the running mechanism comprises a target prism, an inertial navigator 4, a rotary encoder 5 and a distance sensor (not shown in the figure) which is used for measuring the track height, the axial direction, the height of the track, the triangular surface, the track distance between the track and the track, the inertial encoder 5 and the roller 7, and the roller 7 and the roller structure of the vehicle body are arranged coaxially, so that the roller can be used for measuring, the height of the track, the height of the vehicle body is obtained by the rotating encoder and the rotating encoder 7 and the rotating distance measuring device is obtained by the rotating of the rotating encoder and the rotating of the rotating wheel structure of the rotating wheel 7 of the rotating device, and the rotating device, wherein the rotating device, the rotating device is obtained by the rotating of the rotating device, and the rotating device, the rotating encoder 7, and the rotating encoder is obtained by the rotating encoder 7.

The dynamic track geometric state measuring device is mainly applied to fine adjustment measurement and linear optimization measurement of high-speed railways and rapid tracks, is used together with a total station, and comprises a target prism, an inertial navigator 4, a rotary encoder 5, a distance sensor and a vehicle body; when the dynamic track geometric state measuring device is used for carrying out track measurement operation, a track to be measured is divided into measuring units according to the distance of 60 meters, only a total station is needed to be used at the starting point and the ending point of the measuring units for collecting three-dimensional coordinates of a target prism on a vehicle body, an inertial navigator 4 is used between the measuring units for rapidly and dynamically collecting attitude information of the track, a rotary encoder 5 and a distance sensor are used for dynamically collecting mileage and track distance of the track, and measurement data obtained by a measuring mechanism are comprehensively processed, so that internal geometric state parameters and external parameters of the track with high precision can be calculated. Therefore, the detection effect of the track can be improved by adopting the dynamic track geometric state measuring device, and the travelling mechanism also comprises a roller 7 which is arranged at the bottom of the longitudinal base 2 in a height-adjustable mode along the vertical direction;

in order to accurately measure the track mileage, as shown in the structure of fig. 4, the traveling mechanism further comprises a roller 7 which is height-adjustably mounted at the bottom of the vehicle body in the vertical direction; the rotary encoder 5 is disposed coaxially with the roller 7. The gyro wheel 7 can pass through the support mounting in the bottom of automobile body to install compression spring between support and automobile body, make gyro wheel 7 and rail surface remain the contact all the time through compression spring, thereby can accurately record the number of turns of gyro wheel 7 through rotary encoder 5 with gyro wheel 7 coaxial rotation ground, with the distance that acquires running gear walking, finally reachs the track mileage.

As shown in the structures of figures 2 and 4, the dynamic track geometric state measuring device further comprises a fixed wheel 8 and a movable wheel 9 which are oppositely arranged along the width direction of a track to be measured, wherein the fixed wheel 8 can be provided with or more, the movable wheel 9 can be provided with or more, the fixed wheel 8 can be fixedly arranged at the bottom of a vehicle body in a rotating mode around the axis line, the fixed wheel 8 is arranged along the extending direction of the track, the flange of the fixed wheel 8 is abutted against the inner surface of the side of the track to be measured, the movable wheel 9 can be rotatably arranged around the axis line and is elastically adjustable with the distance between the fixed wheel 8, the flange of the movable wheel 9 is abutted against the inner surface of the other side of the track to be measured, a distance sensor is arranged on the fixed wheel 8, the axis line of the fixed wheel 8 and the movable wheel 9 is vertically arranged, the rotating shaft of the fixed wheel 8 is vertically arranged with the rotating shaft of the wheel 3, the rotating shaft of the movable wheel 9 is vertically arranged with the rotating shaft of the wheel 3, the wheel 3 rotates in the vertical plane, the track, the fixed wheel 3 is transversely arranged with the inner surface of the track, the movable wheel 8 and the movable wheel 9 is transversely arranged on the inner surface of the fixed wheel 2 of the track to be measured, the base of the movable wheel 2, the movable wheel 8 is transversely arranged on the base, the base of the track to be measured, the movable wheel 2, the base, the movable wheel 8 is transversely arranged to transversely arranged on the.

The fixed wheel 8 and the movable wheel 9 arranged at the bottom of the vehicle body are in rolling contact with the inner surface opposite to the track to be measured, the track gauge can be detected through the distance sensor arranged on the fixed wheel 8, and the distance between the movable wheel 9 and the fixed wheel 8 can be elastically adjusted, so that the wheel rim of the movable wheel 9 can be always attached to the inner surface of the track, and the track gauge can be accurately measured; the elastic adjustment of the movable sheave 9 may be realized by a compression spring provided between the movable sheave 9 and the vehicle body, or may be realized in other manners.

In order to ensure the structural strength of the vehicle body, as shown in the structure of fig. 3, the vehicle body comprises a transverse base 1 stretching across the top of a rail to be measured and a longitudinal base 2 vertically connected to the end of the transverse base 1 , wherein the longitudinal base 2 extends along the length direction of the rail, two wheels 3 of three wheels 3 arranged on the vehicle body are arranged at the bottom of the longitudinal base 2, the other wheels 3 are arranged at the bottom of the transverse base 1, and the three wheels 3 are distributed in a triangular shape, so that the structure among the three wheels 3 is stable and is not easy to deform, and the accuracy of measured data is further improved by .

As shown in the structure of fig. 2, an adapter plate 10 is fixedly mounted on the top of the vehicle body through bolts, and the inertial navigator 4 is fixedly mounted on the adapter plate 10 through bolts; the adapter plate 10 may be fixedly mounted to the transverse base 1 by means of bolts.

As shown in the structure of fig. 2, a push rod base 11 is fixedly connected to a transverse base 1 forming the vehicle body, a push rod 6 is hinged to the push rod base 11, and a push rod handle 12 is welded to the push rod 6. Through the articulated setting of push rod base 11 and push rod 6 for push rod 6 can rotate relative push rod base 11, promptly, push rod 6 can rotate relative horizontal base 1, can adjust the gesture of push rod 6 through the relative rotation of push rod 6, thereby convenient operation and hard.

In order to facilitate the installation of the target prism on the vehicle body, as shown in the structure of fig. 2, a support rod 13 is fixedly connected to the top of the vehicle body, i.e., the transverse base 1, and a fixture 14 is fixedly installed on the top of the support rod 13; the target prism is fixedly mounted on the fixture 14. The fixture 14 enables quick mounting and dismounting of the target prism.

As shown in fig. 2 and 3, handles 15 are fixedly connected to both ends of the vehicle body to facilitate transportation of the dynamic rail geometry measuring apparatus. When the track to be measured needs to be measured, the dynamic track geometric state measuring device can be placed on the track to be measured by hoisting or lifting the handles 15 arranged at the two ends of the vehicle body, the dynamic track geometric state measuring device is moved from the track to be measured by the handles 15 after the measurement is finished, and the handles 15 arranged at the two ends of the vehicle body facilitate the carrying, loading and unloading of the dynamic track geometric state measuring device.

As shown in fig. 2 and fig. 3, an illumination lamp 17 and a controller 18 are fixedly mounted on the vehicle body of the dynamic track geometry measuring apparatus, and the illumination lamp 17 may be electrically connected to the power supply 16 on the vehicle body or electrically connected to the power supply 16 outside the vehicle body. The controller 18 is in signal connection with the measuring mechanism and the driving assembly, and is used for controlling the measuring mechanism and the driving assembly to work and collecting the measuring data of the measuring mechanism. The controller 18 may be embedded within the vehicle body and electrically connected to the power source 16. The measurement signals of the measuring device can be acquired and stored by the controller 18, which facilitates the calculation or storage of the measurement signals after the measurement has been completed.

Because the geometric state measuring device of dynamic track can only measure evening like this, provide the electric energy for light 17 through power 16 for light 17 can give out light, can provide sufficient light for survey crew through light 17, make and go on smoothly when measuring night, improved the availability factor of geometric state measuring device of dynamic track.

Having thus described the preferred embodiments of the present application, additional variations and modifications of these embodiments, notwithstanding the basic inventive concepts may occur to those skilled in the art .

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.