CN110779424A - Track gauge and method for measuring tunnel convergence length - Google Patents

Track gauge and method for measuring tunnel convergence length Download PDF

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Publication number
CN110779424A
CN110779424A CN201910998689.4A CN201910998689A CN110779424A CN 110779424 A CN110779424 A CN 110779424A CN 201910998689 A CN201910998689 A CN 201910998689A CN 110779424 A CN110779424 A CN 110779424A
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CN
China
Prior art keywords
tunnel
rail car
range finder
laser range
connecting rod
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.)
Pending
Application number
CN201910998689.4A
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Chinese (zh)
Inventor
陆诗磊
张宇捷
苏园鹏
都海伦
王璐
顾浩波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Institute Of Building Science Group Ltd By Share Ltd
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Changzhou Institute Of Building Science Group Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Changzhou Institute Of Building Science Group Ltd By Share Ltd filed Critical Changzhou Institute Of Building Science Group Ltd By Share Ltd
Priority to CN201910998689.4A priority Critical patent/CN110779424A/en
Publication of CN110779424A publication Critical patent/CN110779424A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/026Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0608Height gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/56Gauges for measuring angles or tapers, e.g. conical calipers
    • G01B3/563Protractors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention discloses a gauging rule and a method for measuring tunnel convergence length, which comprises a gauging rule body, wherein the gauging rule body is fixedly arranged on a rail car, one end of the lower part of the rail car is provided with a fixed wheel component, the other end of the lower part of the rail car is provided with a movable wheel component, the rail car locks or unlocks the movable wheel component through a locking component, a track is arranged above the gauging rule body, a support is movably arranged on the track, a horizontal compensator is arranged above the support, the horizontal compensator is provided with a protractor and a connecting rod, the front end of the connecting rod is also fixedly provided with a laser range finder and a camera device, and the method for measuring tunnel convergence length through the gauging rule is adopted. By the mode, the track gauge and the ultrahigh tunnel convergence length measuring method can automatically measure the track gauge and the ultrahigh tunnel geometry, accurately measure the tunnel geometry, are slightly influenced by the outside, have high measuring precision, are simple to operate, and save time and labor cost.

Description

Track gauge and method for measuring tunnel convergence length
Technical Field
The invention relates to the technical field of measurement, in particular to a track gauge and a method for measuring the convergence length of a tunnel.
Background
In the process of measuring the track gauge and the track height of the track gauge ruler, the track gauge ruler is fixed on a rail mainly through a movable measuring head, the measuring head is repeatedly moved along the direction of the rail, and the distance between two parallel rails, namely the track gauge [4], is measured. Since railways are very long and the monitoring points required by design are very dense in the protective monitoring of high-speed railways and subways, the measurement of the gauge and the superelevation is a huge work which requires very large human resources.
Meanwhile, a laser range finder is commonly used at a required monitoring point to measure the geometric form of the tunnel, and the convergence condition of the tunnel is reflected through long-term monitoring. The laser range finder has the following disadvantages in the using process:
the laser range finder has lighter weight and smaller volume, and can damage the balance of the laser range finder and change the angle of laser in the manual operation process;
in the placing process of the laser range finder, the situation that the laser range finder is perpendicular to a track, namely parallel to the cross section of a tunnel is difficult to achieve, and data measured by the same monitoring point each time are difficult to control in the same plane, so that the data are inaccurate;
in the process of measuring the morphological parameters such as the net clearance of the tunnel, the track gauge is placed in the center of the tunnel to be very difficult to operate, and laser is difficult to vertically irradiate, so that the inaccuracy of measuring the morphological parameters such as the net clearance of the tunnel is caused.
Disclosure of Invention
The invention mainly solves the technical problem of providing a gauge rule and a method for measuring the convergence length of a tunnel, which can automatically measure the gauge and the superelevation and accurately measure the geometric form of the tunnel, and have the advantages of small external influence condition, high measurement precision, simple operation and time and labor cost saving.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a gauging rule, includes the gauging rule body, gauging rule body fixed mounting is on the railcar, the below one end of railcar is equipped with fixed wheel subassembly, and the loose wheel subassembly is installed to the other end, the railcar passes through locking Assembly locking or unblock loose wheel subassembly, the loose wheel subassembly controls on the railcar, gauging rule body top is equipped with the track, movable mounting has the support on the track, the support top is equipped with horizontal compensator, be provided with protractor and connecting rod on the horizontal compensator, the connecting rod bottom articulates on horizontal compensator or protractor to connecting rod front end still fixed mounting has laser range finder and camera device, laser range finder and camera device and connecting rod are located the inboard of protractor.
In a preferred embodiment of the present invention, the locking device comprises a transverse elastic member and a longitudinal elastic member which are arranged in the rail car, wherein the transverse elastic member and the longitudinal elastic member are both connected with the movable wheel assembly, the movable wheel assembly is pulled to be separated from the rail car and move left and right on the rail car, and the movable wheel assembly is released to be pressed on the rail car through the transverse elastic member and the longitudinal elastic member.
In a preferred embodiment of the invention, the protractor is a semicircular protractor.
In a preferred embodiment of the invention, the rotation angle of the connecting rod is 0-180 °.
In a preferred embodiment of the present invention, a display is disposed on the gauging rule body.
In order to solve the technical problem, the invention adopts another technical scheme that: the method for measuring the convergence length of the tunnel by the gauge rod through the wire comprises the following steps: a. firstly, adjusting the front and back positions of the movable wheel component, determining the relative position of the gauging rule and the rail car by taking the minimum value of the readings of the gauging rule, and measuring the distance between the gauging rule and the laser at the momentThe instrument is perpendicular to the track and is positioned on the cross section of the tunnel; b. measuring the length of the cross section of the tunnel, rotating the connecting rod to 0 degree before the rail car starts, starting the rail car to respectively measure the distance x from each monitoring point tunnel to the laser range finder 1Then, the connecting rod is rotated to a position of 180 degrees, and the rail car is started to measure the distance x from each monitoring point tunnel to the laser range finder again 2The length x of the cross section of the tunnel at the height of the laser range finder is the distance x measured by the laser range finder twice 1And x 2And (c) the sum, i.e.: x = x 1+ x 2(ii) a c. Measuring tunnel clearance, adjusting the laser range finder to a 90-degree position when the rail car starts, then transversely moving the bracket to measure the height y of a plurality of tunnels i,y iThe maximum value is the clearance of the tunnel at the starting point of the rail car, the position of the bracket is fixed after the clearance of the starting point of the rail car is measured, the position of the bracket can be fixed in different angles within 0-180 degrees, the rail car is started, and the tunnel height of each monitoring point is recorded; d. and c, repeating the step c for measuring again after the interval time to obtain data, and then comparing the data with the data obtained in the step c to obtain the difference of the tunnel geometric form parameter values so as to obtain the tunnel convergence condition.
In a preferred embodiment of the present invention, the step c is performed at y iIncreasing measuring points in higher area, and obtaining y by multiple measurements iThe maximum value of the distance is the clearance of the tunnel at the starting point of the rail car.
In a preferred embodiment of the present invention, the bracket is fixed at any position between 0 and 180 ° in the step c.
The invention has the beneficial effects that: the track gauge and the method for measuring the tunnel convergence length can automatically measure the track gauge and the superelevation and accurately measure the geometric form of the tunnel, are slightly influenced by the outside, have high measurement precision, are simple to operate, and save time and labor cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of a track gauge of the present invention;
the parts in the drawings are numbered as follows: 1. Gaging rule body, 2, railcar, 3, fixed wheel subassembly, 4, loose wheel subassembly, 5, locking Assembly, 6, track, 7, support, 8, horizontal compensator, 9, protractor, 10, connecting rod, 11, horizontal elastic component, 12, vertical elastic component, 13, display, 14, laser range finder, 15, camera device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, a gauging rule, including gauging rule body 1, gauging rule body 1 is fixed mounting on railcar 2, railcar 2's below one end is equipped with fixed wheel subassembly 3, movable wheel subassembly 4 is installed to the other end, railcar 2 passes through locking Assembly 5 locking or unblock movable wheel subassembly 4, movable wheel subassembly 4 moves about on railcar 2, gauging rule body 1 top is equipped with track 6, movable mounting has support 7 on the track 6, support 7 top is equipped with horizontal compensator 8, be provided with protractor 9 and connecting rod 10 on the horizontal compensator 8, connecting rod 10 bottom articulates on horizontal compensator 8 or protractor 9, and connecting rod 10 front end still fixed mounting has laser range finder 14 and camera device 15, laser range finder 14 and camera device 15 and connecting rod 10 are located the inboard of protractor 9.
In addition, the locking device 5 comprises a transverse elastic part 11 and a longitudinal elastic part 12 which are arranged in the rail car 2, wherein the transverse elastic part 11 and the longitudinal elastic part 12 are both connected with the movable wheel assembly 4, the movable wheel assembly 4 is pulled to be separated from the rail car 2 and move left and right on the rail car 2, and the movable wheel assembly 7 is loosened to be pressed on the rail car 2 through the transverse elastic part 11 and the longitudinal elastic part 12. The transverse elastic member 11 and the longitudinal elastic member 12 are tension springs or springs.
In addition, the protractor 9 is a semicircular protractor.
In addition, the rotation angle of the connecting rod 10 is 0-180 °.
In addition, the gauging rule body 1 is provided with a display 13 for displaying the reading of the gauging rule body 1.
A method for measuring the convergence length of a tunnel by using the track gauge comprises the following steps: a. firstly, adjusting the front and back positions of the movable wheel assembly 4, and determining the relative positions of the gauging rule body 1 and the rail car 0 by taking the minimum value of the reading of the gauging rule body 1, wherein the gauging rule body 1 and the laser range finder 14 are perpendicular to a rail and are positioned on the cross section of a tunnel; b. measuring the length of the cross section of the tunnel, rotating the connecting rod 10 to 0 degree before the rail car 2 starts, starting the rail car 2 to respectively measure the distance x from each monitoring point tunnel to the laser range finder 14 1Then the connecting rod is rotated 10 to 180 degrees, the rail car is started to measure the distance x from each monitoring point tunnel to the laser range finder 14 again 2The length x of the cross section of the tunnel at the height of the laser range finder 14 is the distance x measured by the laser range finder 14 twice 1And x 2And (c) the sum, i.e.: x = x 1+ x 2(ii) a c. Measuring tunnel clearance, adjusting the laser range finder 10 to a 90-degree position when the rail car 2 starts, then transversely moving the bracket 7 to measure the height y of a plurality of tunnels i,y iIncreasing measurement points in higher regions, y iThe maximum value is the clearance of the tunnel at the starting point of the rail car, the position of the support 7 is fixed after the clearance of the starting point of the rail car 2 is measured, the support can be fixed at any position of 0-180 degrees, the rail car 2 is started, the height of the tunnel at each monitoring point is recorded, the step c is repeated for measuring again after a period of time, data are obtained, then the data are compared with the data obtained in the step c, the data fixed at the same angle through the support are compared, the difference of the geometric form parameter values of the tunnel is obtained, and the convergence condition of the tunnel is obtained. Data participating in comparisonThe fixed position of the bracket is ensured to be the same during measurement, and the bracket can be measured under different angle conditions and then compared to obtain the convergence condition of the tunnel.
The invention utilizes the gaging rule to automatically measure the track gauge and the ultrahigh condition of the rail and the convergence condition of the tunnel by improving the gaging rule. The problem that the laser range finder is difficult to use when being placed in the convergence condition measurement of the high-speed rail, the subway or the tunnel is solved, labor cost in the protective monitoring of the high-speed rail, the subway or the tunnel is greatly reduced, and work efficiency is improved. Has very important significance for the urban rail transit which is continuously developed.
Different from the prior art, the track gauge and the method for measuring the tunnel convergence length can automatically measure the track gauge and the superelevation and accurately measure the geometric form of the tunnel, are small in condition of being influenced by the outside, high in measurement precision, simple to operate and capable of saving time and labor cost.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a gauging rule, a serial communication port, including the gauging rule body, gauging rule body fixed mounting is on the railcar, the below one end of railcar is equipped with fixed wheel subassembly, and the loose wheel subassembly is installed to the other end, the railcar passes through locking Assembly locking or unblock loose wheel subassembly, the loose wheel subassembly is controlled about on the railcar, gauging rule body top is equipped with the track, movable mounting has the support on the track, the support top is equipped with horizontal compensator, be provided with protractor and connecting rod on the horizontal compensator, the connecting rod bottom articulates on horizontal compensator or protractor to connecting rod front end still fixed mounting has laser range finder and camera device, laser range finder and camera device and connecting rod are located the inboard of protractor.
2. The gage rule of claim 1 wherein said locking means comprises a transverse spring and a longitudinal spring disposed within the railcar, said transverse spring and said longitudinal spring each being connected to a movable wheel assembly, pulling said movable wheel assembly away from the railcar and moving left and right on the railcar, releasing said movable wheel assembly from compression on the railcar by the transverse spring and the longitudinal spring.
3. The gage rule of claim 1 wherein said protractor is a semicircular protractor.
4. A gage rule according to claim 1, wherein the angle of rotation of the connecting rod is 0-180 °.
5. The gage rule of claim 1, wherein a display is provided on the gage rule body.
6. A method of measuring the length of a tunnel convergence by a gaging rule as claimed in any one of claims 1 to 5, comprising the steps of:
a. firstly, adjusting the front and rear positions of a movable wheel assembly, and determining the relative positions of a track gage and a rail car by taking the minimum value of the reading of the track gage, wherein the track gage and a laser range finder are perpendicular to a track and are positioned on the cross section of a tunnel;
b. measuring the length of the cross section of the tunnel, rotating the connecting rod to 0 degree before the rail car starts, starting the rail car to respectively measure the distance x from each monitoring point tunnel to the laser range finder 1Then, the connecting rod is rotated to a position of 180 degrees, and the rail car is started to measure the distance x from each monitoring point tunnel to the laser range finder again 2The length x of the cross section of the tunnel at the height of the laser range finder is the distance x measured by the laser range finder twice 1And x 2And (c) the sum, i.e.: x = x 1+ x 2
c. Measuring tunnel clearance atWhen the rail car starts, the laser range finder is adjusted to the position of 90 degrees, then the bracket is transversely moved, and the height y of a plurality of tunnels is measured i,y iThe maximum value is the clearance of the tunnel at the starting point of the rail car, the position of the bracket is fixed after the clearance of the starting point of the rail car is measured, the rail car is started, and the tunnel height of each monitoring point is recorded;
d. and c, repeating the step c for measuring again after the interval time to obtain data, and then comparing the data with the data obtained in the step c to obtain the difference of the tunnel geometric form parameter values so as to obtain the tunnel convergence condition.
7. The method of claim 6, wherein y in step c is the length of the tunnel convergence iIncreasing measuring points in higher area, and obtaining y by multiple measurements iThe maximum value of the distance is the clearance of the tunnel at the starting point of the rail car.
8. The method of claim 6, wherein the bracket is fixed at any position between 0-180 ° in the step c.
CN201910998689.4A 2019-10-21 2019-10-21 Track gauge and method for measuring tunnel convergence length Pending CN110779424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910998689.4A CN110779424A (en) 2019-10-21 2019-10-21 Track gauge and method for measuring tunnel convergence length

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910998689.4A CN110779424A (en) 2019-10-21 2019-10-21 Track gauge and method for measuring tunnel convergence length

Publications (1)

Publication Number Publication Date
CN110779424A true CN110779424A (en) 2020-02-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910998689.4A Pending CN110779424A (en) 2019-10-21 2019-10-21 Track gauge and method for measuring tunnel convergence length

Country Status (1)

Country Link
CN (1) CN110779424A (en)

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