CN103278125A - Verifying platform of steel rail flatness measuring instrument and use method of verifying platform - Google Patents
Verifying platform of steel rail flatness measuring instrument and use method of verifying platform Download PDFInfo
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- CN103278125A CN103278125A CN2013102038598A CN201310203859A CN103278125A CN 103278125 A CN103278125 A CN 103278125A CN 2013102038598 A CN2013102038598 A CN 2013102038598A CN 201310203859 A CN201310203859 A CN 201310203859A CN 103278125 A CN103278125 A CN 103278125A
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Abstract
The invention relates to the field of rail measuring instruments, particularly a verifying platform of a steel rail flatness measuring instrument and a use method of the verifying platform. The verifying platform is characterized by at least comprising a profiling block provided with a profiling face; and the profiling block is fixedly arranged at one level bar fixedly supported by at least two leveling supports. The verifying platform of the steel rail flatness measuring instrument and the use method of the verifying platform have the advantages that the verifying platform realizes the continuous and wide-frequency measuring requirements of the steel rail flatness measuring instrument, and the steel rail flatness measuring instrument is verified by comparing the difference values of the waveform determined values of the profiling face on the profiling block and the measuring values of the steel rail flatness measuring instrument. The upper face of the steel rail profiling block is processed into sine/cosine waves, the wave length and wave amplitude of the sine wave have a series of values according to measuring needs, and measuring under different conditions can be realized by wholly replacing.
Description
Technical field
The present invention relates to the railroad survey apparatus field, be specifically related to for rail flatness meassuring instrument verification platform and application process thereof.
Background technology
Along with Line of Existing Railway and high-speed railway are constantly open-minded, steel rail weld joint irregularity, rail surface periodically irregularity to train particularly the influence of motor train unit running stability and comfortableness manifest, thereby cause the special concern of being engaged in the worker circuit supporting the personnel that repair.Detection and research for the rail irregularity are surveyed amplitude from the string in the single 1m scope, develop into the variation of irregularity waveform.One meter straight chi technology of electronics and instrument can't meet the demands, research can continuous coverage, measure more that the surveying instrument of broadband (wavelength) rail irregularity is developing rapidly.This will have very positive meaning to the analysis and Control of the analysis of the research of raising speed railway and high-speed railway wheel rail relation, rail ride comfort state, steel rail grinding, milling repairing quality.But for the test of this equipment particularly verification lack special instrument and equipment, measure mathematical model checking comprehensively accurately at the wide in range rail irregularity of waveform complexity, frequency (wavelength), the checksum validation to the measuring accuracy of various wavelength irregularities under the operating mode of various irregularities also lacks effective means.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art, rail flatness meassuring instrument verification platform and application process thereof are provided, this platform comprises the profiling piece that is fixed on the surveyor's staff, this profiling piece can carry out length variations to realize the measurement requirement continuous, broadband of rail flatness meassuring instrument by the splicing between the surveyor's staff, surveyor's staff carries out leveling by the leveling bearing that is supported on its below, difference between waveform determined value by imitation profile on the profiling piece relatively and the measured value of rail flatness meassuring instrument is calibrated the rail flatness meassuring instrument.
The object of the invention realizes being finished by following technical scheme:
A kind of rail flatness meassuring instrument verification platform, it is characterized in that: described verification platform has a profiling piece at least, described profiling piece has an imitation profile, and described profiling piece is fixedly set on the surveyor's staff, and described surveyor's staff is fixed by at least two leveling bearing supports.
Described verification platform have at least two profiling pieces and with the surveyor's staff of its coupling, the imitation profile of two described profiling pieces is by the fixedly connected formation butt joint between the described surveyor's staff.
Described imitation profile is the waveform of sine wave or the waveform of cosine wave (CW).
Described leveling bearing is made of a coarse adjustment bearing, an accurate adjustment bearing at least, and described accurate adjustment bearing is by described coarse adjustment bearing support, and described surveyor's staff is fixedly set on the described accurate adjustment bearing.
Described coarse adjustment bearing is fixed on the reinforced concrete plinth by an installing plate.
A kind of application process that relates to above-mentioned rail flatness meassuring instrument verification platform relates to the rail flatness meassuring instrument, and it is characterized in that: described application process may further comprise the steps at least:
The described surveyor's staff of assembly unit makes the imitation profile length of profiling piece on the described surveyor's staff satisfy the test needs;
Adjust described coarse adjustment bearing and described accurate adjustment bearing successively, described surveyor's staff is horizontal;
Be measuring basis with described surveyor's staff, measure and describe the waveform of described the above imitation profile of profiling piece, with this waveform as determined value;
Adopt described rail flatness meassuring instrument to measure the waveform of described the above imitation profile of profiling piece, with this waveform as measured value;
Described measured value and described determined value are compared, and according to difference between the two described rail flatness meassuring instrument is calibrated.
Advantage of the present invention is: calibration platform realizes that the rail flatness meassuring instrument is continuous, the measurement requirement of broadband, difference between waveform determined value by imitation profile on the profiling piece relatively and the measured value of rail flatness meassuring instrument is calibrated the rail flatness meassuring instrument.Rail profiling piece upper surface just is being processed into (surplus) string ripple, and according to the test needs, sinusoidal wave wavelength and wave amplitude have series of values, can integral replacing, satisfy the test of different condition.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the present invention uses structural representation;
Fig. 3 is the waveform synoptic diagram of imitation profile on the profiling piece among the present invention.
Embodiment
Be described in further detail by the feature of the present invention of embodiment and other correlated characteristic below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
As Figure 1-3, mark 1-7 is respectively among the figure: profiling piece 1, surveyor's staff 2, accurate adjustment bearing 3, coarse adjustment bearing 4, base installing plate 5, reinforced concrete plinth 6, imitation profile 7.
Embodiment: as shown in Figure 1, the verification platform in the present embodiment comprises two profiling bar, surveyor's staff 2, accurate adjustment bearing 3, coarse adjustment bearing 4, base installing plate 5, the reinforced concrete plinths 6 be made up of profiling piece 1.As shown in Figure 3, profiling piece 1 end face is imitation profile 7, this imitation profile 7 be one with the rail profiling, have a surface that is periodic waveform (sine wave or cosine wave (CW)).Article two, the profiling bar of being made up of profiling piece 1 is separately fixed on the surveyor's staff 2, and is set in parallel, and the end face of profiling piece 1 is that imitation profile 7 is as the tested surface of rail flatness meassuring instrument.Profiling piece 1 joins together by the splicing between the surveyor's staff 2, and the imitation profile 7 on each profiling piece 1 also constitutes butt joint simultaneously.Surveyor's staff 2 is fixed on the accurate adjustment bearing 3, accurate adjustment bearing 3 is fixed on the coarse adjustment bearing 4, coarse adjustment bearing 4 and accurate adjustment bearing 3 have been formed the leveling bearing that makes the verification platform have the two-stage regulatory function, and operating personnel can be horizontal surveyor's staff 2 by the adjusting of coarse adjustment bearing 4 and accurate adjustment bearing 3.Each surveyor's staff 2 below is by three leveling bearing supports, to guarantee the stability of its levelness and supporting.
The reinforced concrete plinth 6 of verification platform is built by monoblock reinforced concrete and is formed, and has good globality and stability, avoids because the platform distortion that settlement of foundation causes.Base installing plate 5 and concrete foundation are built as a whole, have the installation hole slot on the base installing plate 5, are used for installing and fixing of coarse adjustment bearing 4.
Use the verification platform in the present embodiment, as follows for the test mode of rail flatness meassuring instrument:
As shown in Figure 2, at first carry out reinforced concrete plinth 6, with said structure each parts are installed, by the adjusting of coarse adjustment bearing 4 and accurate adjustment bearing 3, make surveyor's staff 2 be horizontal.Assembly unit surveyor's staff 2 makes the length after imitation profile 7 butt joint of profiling piece 1 on the surveyor's staff 2 satisfy the test needs.
Be benchmark with surveyor's staff 2, measure and depict the waveform of imitation profile 7, and with this waveform as determined value.
Use the rail flatness meassuring instrument to measure imitation profile 7 by motion or static metering system, obtain the measured value of imitation profile 7, measured value is compared to obtain between the two difference with determined value, utilize this difference to calibrate the rail flatness meassuring instrument.
Present embodiment is in the specific implementation: as measuring basis, surveyor's staff 2 can be an integral body, also can be by being spliced mutually by a plurality of surveyor's staffs 2 as required, to guarantee length and the levelness of imitation profile 7 with surveyor's staff 2 or other high accuracy platforms.
Claims (6)
1. rail flatness meassuring instrument verification platform, it is characterized in that: described verification platform has a profiling piece at least, described profiling piece has an imitation profile, and described profiling piece is fixedly set on the surveyor's staff, and described surveyor's staff is fixed by at least two leveling bearing supports.
2. a kind of rail flatness meassuring instrument verification platform according to claim 1, it is characterized in that: described verification platform have at least two profiling pieces and with the surveyor's staff of its coupling, the imitation profile of two described profiling pieces is by the fixedly connected formation butt joint between the described surveyor's staff.
3. a kind of rail flatness meassuring instrument verification platform according to claim 1 is characterized in that: described imitation profile is sinusoidal wave waveform or the waveform of cosine wave (CW).
4. a kind of rail flatness meassuring instrument verification platform according to claim 1, it is characterized in that: described leveling bearing is made of a coarse adjustment bearing, an accurate adjustment bearing at least, described accurate adjustment bearing is by described coarse adjustment bearing support, and described surveyor's staff is fixedly set on the described accurate adjustment bearing.
5. a kind of rail flatness meassuring instrument verification platform according to claim 4, it is characterized in that: described coarse adjustment bearing is fixed on the reinforced concrete plinth by an installing plate.
6. an application process that relates to the described rail flatness meassuring instrument of claim 1-5 verification platform relates to the rail flatness meassuring instrument, and it is characterized in that: described application process may further comprise the steps at least:
The described surveyor's staff of assembly unit makes the imitation profile length of profiling piece on the described surveyor's staff satisfy the test needs;
Adjust described coarse adjustment bearing and described accurate adjustment bearing successively, described surveyor's staff is horizontal;
Be measuring basis with described surveyor's staff, measure and describe the waveform of described the above imitation profile of profiling piece, with this waveform as determined value;
Adopt described rail flatness meassuring instrument to measure the waveform of described the above imitation profile of profiling piece, with this waveform as measured value;
Described measured value and described determined value are compared, and according to difference between the two described rail flatness meassuring instrument is calibrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102038598A CN103278125A (en) | 2013-05-28 | 2013-05-28 | Verifying platform of steel rail flatness measuring instrument and use method of verifying platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102038598A CN103278125A (en) | 2013-05-28 | 2013-05-28 | Verifying platform of steel rail flatness measuring instrument and use method of verifying platform |
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| CN103278125A true CN103278125A (en) | 2013-09-04 |
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| CN2013102038598A Pending CN103278125A (en) | 2013-05-28 | 2013-05-28 | Verifying platform of steel rail flatness measuring instrument and use method of verifying platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815228A (en) * | 2021-07-21 | 2021-12-21 | 上海工程技术大学 | Melting wire roll-in composite reinforced carbon fiber material additive printing device |
Citations (3)
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| CN85102013A (en) * | 1985-07-03 | 1986-12-31 | 宋俊峰 | Rough surface tolerance instrument calibration reference and processing thereof |
| CN202141381U (en) * | 2011-06-15 | 2012-02-08 | 北京机械设备研究所 | Double-stage leveling device |
| CN203298762U (en) * | 2013-05-28 | 2013-11-20 | 上海铁路局科学技术研究所 | Steel rail flatness measuring instrument calibration platform |
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2013
- 2013-05-28 CN CN2013102038598A patent/CN103278125A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102013A (en) * | 1985-07-03 | 1986-12-31 | 宋俊峰 | Rough surface tolerance instrument calibration reference and processing thereof |
| CN202141381U (en) * | 2011-06-15 | 2012-02-08 | 北京机械设备研究所 | Double-stage leveling device |
| CN203298762U (en) * | 2013-05-28 | 2013-11-20 | 上海铁路局科学技术研究所 | Steel rail flatness measuring instrument calibration platform |
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| 周小东: "基于Windows Mobile的钢轨平直度检测关键技术的研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113815228A (en) * | 2021-07-21 | 2021-12-21 | 上海工程技术大学 | Melting wire roll-in composite reinforced carbon fiber material additive printing device |
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| CB02 | Change of applicant information | ||
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Address after: No. 251 Tianmu East Road, Jingan District, Shanghai Applicant after: Institute of science and technology of China Railway Shanghai Bureau Group Co., Ltd. Address before: No. 251 Tianmu East Road, Zhabei District, Shanghai Applicant before: Science & Technology Inst., Shanghai Railway Bureau |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130904 |