CN106123741A - A kind of medium-and low-speed maglev section of track assembly precision detection method - Google Patents
A kind of medium-and low-speed maglev section of track assembly precision detection method Download PDFInfo
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- CN106123741A CN106123741A CN201610411455.1A CN201610411455A CN106123741A CN 106123741 A CN106123741 A CN 106123741A CN 201610411455 A CN201610411455 A CN 201610411455A CN 106123741 A CN106123741 A CN 106123741A
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- track
- detection
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses the detection method of a kind of medium-and low-speed maglev section of track assembly precision, including: the design data corresponding to section of track accuracy detection parameter are collected and information process-by (1), it is thus achieved that standardized parametric data table；(2) by detection platform, a part of section of track parameter for section of track accuracy detection carried out actual measurement or detection, it is thus achieved that actual parameter value；(3) by dip stick, another part section of track parameter for section of track accuracy detection carried out actual measurement or detection, it is thus achieved that actual parameter value；(4) step (2) and the detection data of step (3) are utilized, generate the relevant parameter detected value of the section of track, and contrast with parameters precision examination criteria, it is thus achieved that testing result, can realize section of track processing and the accuracy detection of the parameters of laying.The method of the present invention can quick and precisely detect the parameters of the medium-and low-speed maglev section of track, decreases the detection of repeater's work and process, time saving and energy saving, and can realize calling the information system management of section of track manufacturing information.
Description
Technical field
The invention belongs to medium-and low-speed maglev track structure technical field, be specifically related to a kind of medium-and low-speed maglev section of track precision group
Dress accuracy checking method.
Background technology
During medium-and low-speed maglev line track is laid at present, it is common that first assemble in factory process and form the steelframe section of track, so
By second pouring, the section of track of shaping is connected as one with infrastructure afterwards, and then form track structure.
The safety of medium-and low-speed maglev train operation, ride comfort and comfortableness necessarily require track to have good geometry shape
State and precision, accuracy detection of therefore must mating formation track structure in track laying at present, this is to control track geometry
Shape and the key link of precision.
The precision parameter quantity related in section of track accuracy detection is more, such as gauge, section of track length, adjacent sleeper pitch,
Tablet is multiple with the gap of F shaped steel and coplane degree etc., and data are numerous and jumbled, and the scale of construction is huge, existing medium-and low-speed maglev rail
Road section of track accuracy checking method is generally carried out by single detection instrument, and various parameter is typically independently to detect,
Lacking effective coordination, the most this mode makes to lack between the design data of early stage systematic corresponding so that detection essence
Spend poor, be unsatisfactory for the requirement of medium-and low-speed maglev section of track accuracy of detection, and time and effort consuming, the progress of laying a railway track is had undesirable effect.
And, assembly precision and detection data cannot be uniformly processed by current detection method, it is impossible to follow-up
Section of track management and maintenance provide to be supported so that the final-period management of the section of track and data maintenance effectively can not be assisted with early stage precision controlling
Adjust.
Summary of the invention
For disadvantages described above or the Improvement requirement of prior art, the invention provides a kind of medium-and low-speed maglev section of track and assemble essence
Degree detection method, by improving the optimization of detection supplemental characteristic and the information-based of the mode of acquisition, and enters with design parameter data
Row compares, it is achieved high accuracy and high efficiency assembly precision detect, and the efficiency and the precision that solve the existence of current accuracy detection are relatively low
And the technical problem carrying out matched well cannot be safeguarded with the later stage section of track.
For achieving the above object, it is proposed, according to the invention, the detection method of a kind of medium-and low-speed maglev section of track assembly precision is provided, its
Comprise the steps:
(1) the design data corresponding to section of track accuracy detection parameter are collected and information process-, it is thus achieved that standardization
Parametric data table, using as accuracy detection standard；
(2) by the appointment position of section of track lifting to be detected to detection platform, by detection platform to for section of track precision
A part of section of track parameter of detection carries out actual measurement or detection, it is thus achieved that actual parameter value, wherein said a part of section of track parameter
Including the sweep of the section of track, the height of the section of track, coplane degree and section of track length；
(3) by dip stick, another part section of track parameter for section of track accuracy detection carried out actual measurement or detection,
Obtaining actual parameter value, wherein said another part section of track parameter includes section of track height, section of track rise, F rail lateral surface angle, rail
Datum hole deviation on row's length, adjacent two pillow pillow spacing, F rails and section shape and size；
(4) utilize step (2) and the detection data of step (3), generate the relevant parameter detected value of the section of track, and and step
(1) the parameters precision examination criteria generated contrasts, it is thus achieved that testing result, can realize to the section of track processing and lay every
The accuracy detection of parameter.
As present invention further optimization, it is also possible to include utilizing above-mentioned steps detection and result of determination tracking to discharge into row
The step that the supplemental characteristic assembled and manufacture is corrected and improves, carries out secondary operations and rectification for the section of track, meets and sets
Meter and laying required precision.
As present invention further optimization, the relevant parameter detected value of the described section of track can be with design parameter and corresponding
Testing result concentrates storage, checks and accepts for the section of track in laying, and construction and the operation maintenance for the later stage is inquired about at any time.
As present invention further optimization, described centralized stores can pass through bar code, Quick Response Code or other can be used for
The media implementation that scanning is read.
As present invention further optimization, described coplane degree includes the section of track same cross section four magnetic pole strength coplane degree, rail
The magnetic pole strength coplane degree of row's length direction random length and section of track magnetic pole strength flatness.
As present invention further optimization, described dip stick can be gauging rule, bracing wire chi, clearance gauge, bevel protractor or deep
Degree chi.
In general, by the contemplated above technical scheme of the present invention compared with prior art, there is following useful effect
Really:
(1) present invention is according to section of track precision detection system measurement data and the contrast of design parameter value, ginseng important with the section of track
The Con trolling index contrast of number, it is determined that the assembling of the section of track and the accuracy of manufacture, generates and comprises the detection form that section of track assembling adjusts, can be right
Assemble the section of track and carry out the detection of quick high accuracy, improve the assembly precision of the section of track, and then improve the safety, steadily of train operation
Property and ride quality.
(2) present invention can detect the parameters of the medium-and low-speed maglev section of track the most efficiently, decreases repeater
Work detection and comparison process, time saving and energy saving, and can realize the information system management of section of track manufacturing information is called and alternately.
(3) present invention can make the section of track lay rapidly during detection, is effectively improved the speed of accuracy detection, improves
The efficiency of detection.
Accompanying drawing explanation
Fig. 1 is the flow chart of the accuracy checking method according to one embodiment of the invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.If additionally, technical characteristic involved in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
A kind of medium-and low-speed maglev section of track assembly precision detection method provided according to one embodiment of the invention, including with
Lower step scheme: the input of design information and normalization, the use of section of track detection platform, multiparameter testing agency of automatization, inspection
The transmission reception of measurement information, the detection generation of form, section of track assembling and the recommendation on improvement of the accuracy of manufacture, the section of track manufacture and design data
The foundation in storehouse, generation section of track information Quick Response Code, the section of track lay information database.
Wherein the input of design information with normalized detailed process can be:
According to line condition, use automatization's software for calculation, be calculated the design information of the diverse location section of track, as rail
The contrast foundation of row's accuracy detection.According to detection purpose requirement, extract in section of track design information, for the master of compared with control
Want technical specification parameter, generate corresponding database file.And the section of track is pasted corresponding Quick Response Code identification label, in case the later stage
Use.
By section of track detection platform, detection obtains the partial parameters value of the section of track, specifically includes:
Quick Response Code above the scanning section of track, obtains the design information of the section of track, by the appointment position of section of track lifting to detection platform.
The fixing section of track, checks whether testing agency resets, and can start the check measurement work of section of track correspondence parameter after reset, and monitoring is flat
Platform can disposably detect the multinomial package technique parameter of the section of track, and obtained the sweep of the section of track by corresponding calculation procedure,
The height of the section of track, flatness, the coplane degree of magnetic pole strength, section of track length etc. assembles information.
By multiparameter testing agency of automatization, it is thus achieved that the another part parameter values for detection of the section of track, specifically include:
Multiparameter testing agency of automatization, comprises the height inspection of the section of track, the rise inspection of the section of track, F rail lateral surface angle
Inspection, the inspection of section of track length.Parameter detecting mechanism in left and right is synchronized with the movement simultaneously, according to the curve of the detection parameter inverse section of track
Radial misalignment, the gauge deviation etc. after assembling.
The table 1 parameter involved by section of track accuracy detection in the present embodiment and concrete error requirements thereof and detection instrument.
Table 1 magnetic floats section of track Testing index parameter
| Sequence number | Inspection project | Error requirements (mm) |
| 1 | Gauge | ±1 |
| 2 | Section of track length | ±2 |
| 3 | Adjacent two pillow pillow spacing | ±2 |
| 4 | Tablet and the gap of F shaped steel | ≤1 |
| 5 | Same cross section four magnetic pole strength coplane degree | ≤1 |
| 6 | Section of track magnetic pole strength flatness | ≤ 1/3000 ,≤2/ total length |
| 9 | Any 4 meters of magnetic pole strength coplane degrees of section of track length direction | ≤1.5 |
| 10 | Datum hole deviation | — |
| 11 | The each size of section | — |
| 12 | Cross sectional shape | — |
| 13 | The curvature line style of the curve section of track | — |
Detect, according to above-mentioned detection platform and multiparameter testing agency of automatization, the detection information obtained, be passed to
Unified information processor processes, and transmission signal can design sample frequency as required, and signal is passed through Acquisition Instrument
It is transferred to such as work computer, and and then is directly calculated every parameter values for detection of the section of track.
Follow-up can also generation according to calculated every parameter values for detection detects form, and then can and input with design
Parameter comparison, judges whether the every Index for examination of the section of track meets the regulation in acceptance specification automatically.
In a preferred embodiment, it is also possible to according to above-mentioned comparison, the section of track is assembled and the accuracy of manufacture proposes further
Correction or proposal on adjustments.Such as combining and judge form, generation can be corrected by simple, and other processed modes will
The section of track transform as and meets design and lay the section of track of precision, provides the section of track and whether can carry out secondary operations and rectification, and provide
Corresponding processing and rectification value.
In a preferred embodiment, it is also possible to set up the section of track and manufacture and design data base.The section of track is generated according to testing result
Dependency structure parameter before laying, stores together with design parameter, and result of simultaneously inspecting for acceptance the section of track carries out Quick Response Code
Making, form section of track manufacture, check and accept, lay integral type information system management, facilitate the construction in later stage and operation maintenance to look at any time
See.
As it will be easily appreciated by one skilled in the art that and the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, all should comprise
Within protection scope of the present invention.
Claims (6)
1. a detection method for medium-and low-speed maglev section of track assembly precision, it comprises the steps:
(1) the design data corresponding to section of track accuracy detection parameter are collected and information process-, it is thus achieved that standardized ginseng
Number tables of data, using as accuracy detection standard；
(2) by the appointment position of section of track lifting to be detected to detection platform, by detection platform to for section of track accuracy detection
A part of section of track parameter carry out actual measurement or detection, it is thus achieved that actual parameter value, wherein said a part of section of track parameter includes
The sweep of the section of track, the height of the section of track, coplane degree and section of track length；
(3) by dip stick, another part section of track parameter for section of track accuracy detection carried out actual measurement or detection, it is thus achieved that
Actual parameter value, wherein said another part section of track parameter includes that section of track height, section of track rise, F rail lateral surface angle, the section of track are long
Datum hole deviation on degree, adjacent two pillow pillow spacing, F rails and section shape and size；
(4) utilize step (2) and the detection data of step (3), generate the relevant parameter detected value of the section of track, and raw with step (1)
The parameters precision examination criteria become contrasts, it is thus achieved that testing result, can realize section of track processing and the parameters of laying
Accuracy detection.
The detection method of a kind of medium-and low-speed maglev section of track assembly precision the most according to claim 1, wherein, it is also possible to include
Above-mentioned steps detection and result of determination tracking is utilized to discharge into the step that the supplemental characteristic of row assembling and manufacture is corrected and improves,
Carry out secondary operations and rectification for the section of track, meet design and lay required precision.
The detection method of a kind of medium-and low-speed maglev section of track assembly precision the most according to claim 1 and 2, wherein, described rail
The relevant parameter detected value of row can concentrate storage with design parameter and corresponding testing result, checks and accepts in laying for the section of track,
And inquire about at any time for the construction in later stage and operation maintenance.
4. according to the detection method of a kind of medium-and low-speed maglev section of track assembly precision according to any one of claim 1-3, wherein,
Described centralized stores can pass through bar code, Quick Response Code or other media implementation that can be used for scanning reading.
5. according to the detection method of a kind of medium-and low-speed maglev section of track assembly precision according to any one of claim 1-4, wherein,
Described coplane degree includes the section of track same cross section four magnetic pole strength coplane degree, the magnetic pole strength coplane degree of section of track length direction random length
With section of track magnetic pole strength flatness.
6. according to the detection method of a kind of medium-and low-speed maglev section of track assembly precision according to any one of claim 1-5, wherein,
Described dip stick can be gauging rule, bracing wire chi, clearance gauge, bevel protractor or depth indicator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610411455.1A CN106123741A (en) | 2016-06-12 | 2016-06-12 | A kind of medium-and low-speed maglev section of track assembly precision detection method |
| PCT/CN2017/077507 WO2017215303A1 (en) | 2016-06-12 | 2017-03-21 | Method for detecting assembling precision of medium-low speed maglev track panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610411455.1A CN106123741A (en) | 2016-06-12 | 2016-06-12 | A kind of medium-and low-speed maglev section of track assembly precision detection method |
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| Publication Number | Publication Date |
|---|---|
| CN106123741A true CN106123741A (en) | 2016-11-16 |
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| CN201610411455.1A Pending CN106123741A (en) | 2016-06-12 | 2016-06-12 | A kind of medium-and low-speed maglev section of track assembly precision detection method |
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| WO (1) | WO2017215303A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017215303A1 (en) * | 2016-06-12 | 2017-12-21 | 中铁第四勘察设计院集团有限公司 | Method for detecting assembling precision of medium-low speed maglev track panel |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446916B (en) * | 2021-06-04 | 2023-02-28 | 中铁十一局集团电务工程有限公司 | Manual measurement method for parameters of high-speed magnetic suspension power rail |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392481A (en) * | 2008-11-07 | 2009-03-25 | 成都普罗米新科技有限责任公司 | Track panel measurement positioning system and measurement positioning method thereof |
| CN105239474A (en) * | 2015-11-23 | 2016-01-13 | 中铁十一局集团有限公司 | Method and system for installing fine adjustment of track panel |
| CN105484115A (en) * | 2015-11-23 | 2016-04-13 | 中铁十一局集团有限公司 | Quality detecting method and system for track panel |
| CN105544323A (en) * | 2015-12-30 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Integrated processing method for designing, manufacturing and constructing track skeletons of medium and low speed magnetic aviation track |
| CN105625117A (en) * | 2015-12-30 | 2016-06-01 | 中铁第四勘察设计院集团有限公司 | Layout method of medium-low speed magnetic levitation track panel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4428376A1 (en) * | 1994-08-11 | 1996-02-15 | Thyssen Industrie | Method and device for the precise location of fasteners in the connecting body of a supporting structure of guideways for track-bound transport systems, in particular magnetic levitation trains |
| CN202849880U (en) * | 2012-03-26 | 2013-04-03 | 江代更 | A magnetic suspension track section measuring and adjusting system |
| CN204954777U (en) * | 2015-08-13 | 2016-01-13 | 中铁十一局集团有限公司 | Magnetic suspension section of track processing accuracy testing platform |
| CN205171292U (en) * | 2015-11-23 | 2016-04-20 | 中铁十一局集团有限公司 | Quality inspection system of section of track |
| CN106123741A (en) * | 2016-06-12 | 2016-11-16 | 中铁第四勘察设计院集团有限公司 | A kind of medium-and low-speed maglev section of track assembly precision detection method |
-
2016
- 2016-06-12 CN CN201610411455.1A patent/CN106123741A/en active Pending
-
2017
- 2017-03-21 WO PCT/CN2017/077507 patent/WO2017215303A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392481A (en) * | 2008-11-07 | 2009-03-25 | 成都普罗米新科技有限责任公司 | Track panel measurement positioning system and measurement positioning method thereof |
| CN105239474A (en) * | 2015-11-23 | 2016-01-13 | 中铁十一局集团有限公司 | Method and system for installing fine adjustment of track panel |
| CN105484115A (en) * | 2015-11-23 | 2016-04-13 | 中铁十一局集团有限公司 | Quality detecting method and system for track panel |
| CN105544323A (en) * | 2015-12-30 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Integrated processing method for designing, manufacturing and constructing track skeletons of medium and low speed magnetic aviation track |
| CN105625117A (en) * | 2015-12-30 | 2016-06-01 | 中铁第四勘察设计院集团有限公司 | Layout method of medium-low speed magnetic levitation track panel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017215303A1 (en) * | 2016-06-12 | 2017-12-21 | 中铁第四勘察设计院集团有限公司 | Method for detecting assembling precision of medium-low speed maglev track panel |
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| WO2017215303A1 (en) | 2017-12-21 |
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