CN201199147Y - Instrument for checking steel rail straight degree of railway rail - Google Patents
Instrument for checking steel rail straight degree of railway rail Download PDFInfo
- Publication number
- CN201199147Y CN201199147Y CNU2007200826962U CN200720082696U CN201199147Y CN 201199147 Y CN201199147 Y CN 201199147Y CN U2007200826962 U CNU2007200826962 U CN U2007200826962U CN 200720082696 U CN200720082696 U CN 200720082696U CN 201199147 Y CN201199147 Y CN 201199147Y
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- measuring
- rail
- somascope
- fixed pulley
- driving mechanism
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Abstract
The utility model discloses a straightness meter for a rail of a railway. The straightness meter mainly comprises a measuring beam, a driving mechanism fixed on the measuring beam, a guideway, a measuring datum positioning device, a data collecting system, a displacement sensor and a data processing and displaying device. The displacement sensor is arranged on the guideway by a slide block, and driven to move along the guideway by the driving mechanism connected with a power device; a detection signal outlet of the displacement sensor and the signal inlet of the data collecting system are connected by an outlet winding displacement of the displacement sensor; the data collecting system and the data processing and displaying device are connected by an electric signal; and the measuring datum positioning device comprises a main positioning plane used for determining an ideal plane of a surface to be measured of the rail and an auxiliary positioning plane sticking to a rail surface which is vertical to the surface to be measured, which are arranged at the both sides of the measuring beam. The straightness meter has the advantages of wide measuring scope, high measuring precision and convenience in carrying and usage, and can totally meet the on-spot straightness requirements of measuring the straightness of rails of the high-speed railway.
Description
Technical field
The utility model relates to a kind of instrument to checking at the road rail, more particularly, relates to a kind of to carry out the instrument of check measurement in the flatness of the driving face of road rail and directed side.
Background technology
Railway track puts the back into operation owing to the influence that is subjected to reasons such as train shock load and wheel wear; usually can cause the flatness and the designing requirement of rail driving face and directed side there are differences; especially steel rail welding line position (being one of the weakest link of track), this species diversity is particularly outstanding.And rail surface, directed side shortwave irregularity all have a significant impact noise, vibration, wheel-rail impact load, even the railroad train security of operation are brought serious threat.Heavy-Haul Railway development at a high speed, railroad track is had higher requirement, wherein the rail flatness has become and has weighed high-speed railway (〉=200km/h) one of the core index of railway track quality, must strictly control rail surface and the uneven compliance of spigot surface shortwave, the comfortableness when taking with the impact between effective minimizing wheel track, raising train operating safety and passenger.Countries in the world require strict especially to the flatness of rail in high speed railway.
Traditional rail flatness is to rely on the straight chi of easy mechanical type to measure.The place of this survey instrument deficiency of the straight chi of mechanical type is that accuracy of detection is not high on the one hand, is on the other hand to store data, and printing reports more can not be inquired about, historical data relatively, can not detection curve and the flatness of adjustment curve.Therefore, for high-speed railway, no matter it is accuracy of detection or railway digital development direction, all undesirable.Current is the straight measuring instrument of electronics of 1m datum length to rail flatness detection detecting instrument the most commonly used.And China's railway system circuit rail operation actual conditions, the flatness before and after the steel rail welding line in 1.5m～2.5m scope is travelled to bullet train, and passenger's comfortableness has the greatest impact, and is the most important to traffic safety.Therefore the straight measuring instrument of electronics of 1m datum length can not satisfy on-the-spot request for utilization fully.In view of the foregoing, develop a kind of actual conditions that both met Chinese Railway, can satisfy the in-site measurement scope again and reach the rail flatness somascope that on-the-spot accuracy of detection requires and usability requires, the urgent task in field under becoming.
Summary of the invention
Directly spend the deficiency that checkout facility exists at the railway track of prior art, what the purpose of this utility model aimed to provide a kind of new structure is used to detect the somascope that the railroad track rail is directly spent, and directly spends the existing technical matters that can not satisfy field requirement fully of checkout facility with the rail that solves prior art.
The disclosed railroad track rail that is used to solve the problems of the technologies described above of the utility model is directly spent somascope, mainly comprise the measurement beam, be fixedly mounted on the propulsion system of measuring on the beam, driving mechanism, guide rail, the measuring basis locating device, data acquisition system (DAS), and displacement transducer and data processing display device, described displacement transducer is installed on the guide rail by cooperate the slide block that constitutes sliding pair with guide rail, by moving along guide rail with the joining drive mechanism of propulsion system, its detection signal output port is drawn winding displacement with the data acquisition system (DAS) signal input port by it and is connected, data acquisition system (DAS) is connected with data processing display device electric signal, described measuring basis locating device contain be useful on the main locating surface of determining rail tested surface ideal plane and be fitted in the perpendicular rail face of tested surface on auxilliary locating surface.
In technique scheme, the drive displacement sensor can be designed to multiple version along the driving mechanism that guide rail moves, as worm and gear structure, ball nut screw structure, pulley cable mechanism etc.Preferentially select the pulley cable mechanism for use.Adopt the pulley cable mechanism can lowering apparatus finishing difficulty and the complete machine weight of instrument, the scene of being convenient to be carried and is used.Pulley hawser driving mechanism itself can be designed to multiple version again, as the pulley hawser driving mechanism that constitutes by two secondary initiatively fixed pulleys and hawser, or the pulley hawser driving mechanism that constitutes by active fixed pulley, driven fixed pulley and hawser, or the pulley hawser driving mechanism that constitutes by active fixed pulley, driven fixed pulley, travelling block and hawser etc., displacement transducer moves back and forth on guide rail all and is drawn by hawser.The following structure of the preferential employing of pulley hawser driving mechanism: promptly pulley hawser driving mechanism is by the active fixed pulley, driven fixed pulley and running block constitute, initiatively fixed pulley and driven fixed pulley are arranged on the two ends of measuring beam, be wound on two terminations of hawser on the active fixed pulley, a termination directly lies in the displacement transducer mount pad, another termination through a travelling block of driven fixed pulley and running block lie in driven fixed pulley on the measurement beam at one end, another travelling block that displacement transducer signal is drawn winding displacement process running block is fixed on the measurement beam, the driving mechanism that formation moves back and forth along guide rail from both direction traction displacement transducer, wherein displacement transducer signal is drawn winding displacement as one of element that constitutes pulley hawser driving mechanism, becomes the part that the traction displacement transducer moves back and forth hawser.
In the pulley hawser driving mechanism that above-mentioned drive displacement sensor moves along guide rail, maximum characteristics are that displacement transducer signal is drawn winding displacement as one of element that constitutes pulley hawser driving mechanism, become the part that the traction displacement transducer moves back and forth hawser.This structure of pulley hawser driving mechanism has guaranteed that from structure displacement transducer signal draws winding displacement and can be in smooth-going state always, has avoided signal to draw winding displacement fully and has moved back and forth winding problem in the process at displacement transducer.
In the pulley hawser driving mechanism that above-mentioned drive displacement sensor moves back and forth along guide rail, displacement transducer signal is drawn winding displacement and is fixed in the central part that the point of fixity of measuring on the beam preferably is positioned at the measurement beam; Lie in an end pull-cord of measuring on the beam through driven fixed pulley and travelling block and preferably lie in and measure on the beam, be in the state of tensioning to guarantee pull-cord by tensioning spring; Two travelling block of running block, two pulley axis are vertical interlaced setting mutually preferably, so that the member layout; Initiatively design has the spiral rope chute that mates with pull-cord on the fixed pulley, slides with two traction ends avoiding hawser, produces mutually and interferes.
In technique scheme, described propulsion system are preferably stepper motor, and stepper motor is by being installed in the storage battery power supply of measuring on the beam.
In technique scheme, described measuring basis locating device is by the auxilliary locating piece that auxilliary locating surface is provided and provide the main locating piece of main locating surface to constitute, auxilliary locating piece is installed together mutual vertically by bearing pin and spring and main locating piece, and its bottom surface of matching with main locating piece design has the cross draw-in groove, the distance of four sides and self rotating shaft does not wait, by transposition, to be fit to the measurement of different model rail.
In technique scheme, described measurement beam is the shell structure beam, and propulsion system, driving mechanism, guide rail and data acquisition system (DAS) are installed in the shell chamber of measuring beam.
In technique scheme, the data processing display device preferentially adopts the PDA palm PC, is connected or wireless connections with data acquisition system (DAS) by cable, to realize data communication.
When the railroad track rail that the utility model discloses is directly spent the somascope use, earlier the canonical measure piece is carried out calibration measurements, carry out the straight degree inspection of rail face then, what be that the utility model adopts is to compare and measure method, can eliminate and measure the influence that the beam distortion brings, improve the precision of measuring greatly.
The railroad track rail that the utility model discloses is directly spent somascope, adopting displacement transducer promptly to measure beam along guide rail moves, go out the flatness and the rail level ripple of rail detection faces in the operating sensor length range with non-contact mode measuring, avoided its accuracy of detection of contact type measurement mode to be subjected to the influence of rail surface quality big, particularly after the rail joint welding, the surface is extremely irregular and temperature is higher, the vibrations that produce during operation problem so measuring accuracy height such as also can influence to some extent to the stability of instrument.In addition, the utility model passes through function software, the sensing range folding of 3m wavelength is divided into twice continuous coverage, the data of twice detection are again by the mathematical model combinatory analysis, draw the detection data of 3m wavelength, thereby solved, will measure the effective travel of beam own and be designed to and the very unpractical problem of the same length of examination scope in order to measure the rail flatness in the 3m wavelength coverage, reduced instruments weight, difficulty of processing and manufacturing cost widely, and made things convenient for and carry and use.
The rail that the utility model discloses is directly spent somascope, can accurately measure the rail driving face of different model rail and the flatness and the rail level ripple of directed side by different location and installation modes; 1m, 1.2m can be set as required, 1.5m, 3m detect length; After the input curve data, can the flatness and the rail level ripple of segment of curve rail driving face and directed side be detected; Data analysis software is handled, is analyzed detecting data, and can storage in the PDA palm PC, demonstration, generation and printing reports; Have data and figure comparative analysis and calibrating function, can on display panel, directly read maximum, minimum value and the position thereof of detecting data; Can store, query history record and detect data, and can upload the data to computing machine, realize data are analyzed and data sharing; Filename includes information such as time, line name, up-downgoing, and the form that file is preserved is a text, meets the request for utilization that the worker is engaged in, and can satisfy preservation and the analysis of works department to mass data.
Very outstanding characteristics of the present utility model are that displacement transducer signal is drawn winding displacement as one of element that constitutes pulley hawser driving mechanism, become the part that the traction shifter moves hawser.This ingenious structure of pulley hawser driving mechanism, guaranteed that displacement transducer signal draws winding displacement and can be in smooth-going state always, avoided signal to draw winding displacement fully and moved back and forth appearance winding in the process at displacement transducer, and then avoided drawing a series of problems that winding displacement twines generation because of signal, improve rail and directly spent the operational reliability and the measuring accuracy of somascope.
The utility model is directly spent checkout facility with the rail of prior art and is compared, and summarizes and gets up to have relatively outstanding feature of following several aspect:
1, adopts the non-contact measurement principle, select non-contact displacement sensor for use, its accuracy of detection height.
2, it is long to detect 1m, 1.2m, 1.5m, 3m wavelength even 5 metric waves, has widened sensing range, more is applicable to the worker scene of being engaged in.
The vibrations that produce when 3, adopting guide rail to effectively reduce operating sensor have improved its stability and precision.
4, measure beam and adopt high-strength aluminum alloy section bar, intensity height, in light weight, exquisite appearance.
5, employing compares and measures, and measuring accuracy is irrelevant with the distortion of measuring crossbeam.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model detection faces direction.
Accompanying drawing 2 is structural representations that accompanying drawing 1 is overlooked direction.
Each shown by reference numeral sign object is in the accompanying drawing: 1-measurement beam; 2-accumulator; 3-miniature line slideway; 4-running block; 5-displacement transducer; 6-main locating piece; 7-initiatively fixed pulleys; 8-driven fixed pulley group; 9-driven fixed pulley; 10-tensioning spring; 11-handle device; 12-wire rope; 13-sensor is drawn winding displacement; 14-near switch; 15-stepper motor; 16-permanent magnet; 17-auxiliary positioning piece; 18-data analysis and display device.
Embodiment
Provide a specific embodiment of the present utility model below in conjunction with description of drawings, and in conjunction with the embodiments the utility model is further described.Here of particular note; embodiment of the present utility model is not limited to the described form of embodiment; the those skilled in the art is not paying under the work situation of creation; can design other embodiments in conjunction with technical matters to be solved according to the scheme that the utility model discloses; but it is pointed out that such embodiment still belongs to protection domain of the present utility model.
The structure that the railroad track rail of present embodiment is directly spent somascope as shown in Figures 1 and 2, mainly by shell structure measure beam 1, be fixedly mounted on the stepper motor 15 measured in the beam housing, for stepper motor provides accumulator 2, driving mechanism, miniature line slideway 3, measuring basis locating device, the data acquisition system (DAS) of power supply, displacement transducer 5, constitute as the PDA palm PC 18 and the permanent magnet 16 of data processing display device.Displacement transducer is installed on the guide rail by cooperate the slide block that constitutes sliding pair with guide rail, by moving along miniature line slideway with the joining drive mechanism of stepper motor, its detection signal output port is drawn winding displacement 13 with the data acquisition system (DAS) signal input port by it and is connected, and data acquisition system (DAS) is connected by quick plug joint electric signal with the PDA palm PC.
The driving mechanism of present embodiment is pulley hawser driving mechanism (seeing accompanying drawing 1 and accompanying drawing 2), by active fixed pulley 7, driven fixed pulley group 8, running block 4 and steel wire 12 constitute, initiatively fixed pulley and driven fixed pulley group are arranged on the two ends of measuring beam, initiatively fixed pulley 7 is directly driven by stepper motor 15, be wound on the steel wire on the active fixed pulley, one directly lies in displacement transducer in two termination, another termination through two fixed pulleys 9 of driven fixed pulley group and a travelling block in the running block 4 lie in by tensioning spring 10 driven fixed pulley on the measurement beam at one end, displacement transducer signal is drawn winding displacement 13 and is measured the beam central part through local being fixed in of another travelling block formation parallel connection cloth of running block, make and draw winding displacement 13 moves hawser as the traction displacement transducer a part, become one of element that constitutes pulley hawser driving mechanism, form the driving mechanism that moves back and forth along guide rail from both direction traction displacement transducer.
The measuring basis locating device of present embodiment is by the auxilliary locating piece 17 that auxilliary locating surface is provided and provide the main locating piece 6 of main locating surface to constitute, auxilliary locating piece is installed together mutual vertically by bearing pin and spring and main locating piece, and its bottom surface of matching with main locating piece design has the cross draw-in groove, and the distance of four sides and self rotating shaft does not wait.When measuring operation, the main locating piece of locating device rides on detected, determines to measure the distance between beam and the rail ideal surfaced (promptly two main locating pieces are at the line of set-point on the rail); The auxiliary positioning piece selects different locating surfaces to be close to rail side or end face according to the model of rail with measurement face, promptly main positioning reference rides on detected, the auxiliary positioning piece is close to the auxiliary positioning face perpendicular with detected, and (as when detecting rail driving face, the rail directed side is the auxiliary positioning face; When detecting the rail directed side, rail driving face is the auxiliary positioning face) as the auxiliary positioning benchmark.During free state, under the effect of spring force, the draw-in groove of auxiliary positioning piece is stuck on the main locating piece and locking.In the measuring process, as required when detecting different model rail driving face or rail directed side, only needing to pull up the auxiliary positioning piece with external force breaks away from main locating piece and rotates respective angles by draw-in groove, after loosing one's grip, under the effect of spring force, auxiliary positioning block reset, draw-in groove block main locating piece and locking.Because does not wait to the distance of its rotating shaft four sides of auxiliary positioning piece, promptly can realize four kinds of different auxiliary positioning benchmark.When somascope was manipulated, the back, location was locked in somascope on the rail by the powerful permanent iron 16 of main locating piece both sides on rail.Be positioned at the powerful permanent iron 16 of main locating piece both sides, its aspect ratio master locating piece is low slightly.This fixed form, both convenient and simple for operation, can satisfy the reliable requirement in location again.
The job run process that adopts present embodiment detection rail directly to spend is: step motor drive initiatively fixed pulley drive moves through the steel wire traction running block that driven fixed pulley connects running block one end, and then draw winding displacement dragging displacement sensor and slide along guide rail by be fixed in the displacement transducer of measuring the beam central part through another travelling block of running block, simultaneously data acquisition system (DAS) every≤the equidistant automatic data collection of 2.5mm and be uploaded to the PDA palm PC, measure the continuous distance that detects between surface and the measurement beam by data handling system.After data acquisition was finished, the motor counter-rotating drove the active fixed pulley and drives the steel wire that is connected sensor mount pad one end and moves, and sensor is resetted.
Claims (10)
1. a railroad track rail is directly spent somascope, it is characterized in that mainly comprising the measurement beam, be fixedly mounted on the driving mechanism of measuring on the beam, guide rail, the measuring basis locating device, data acquisition system (DAS), and displacement transducer and data processing display device, described displacement transducer is installed on the guide rail by cooperate the slide block that constitutes sliding pair with guide rail, by moving along guide rail with the joining drive mechanism of propulsion system, its detection signal output port is connected by drawing winding displacement with the data acquisition system (DAS) signal input port, data acquisition system (DAS) is connected with data processing display device electric signal, described measuring basis locating device contain be useful on the main locating surface of determining rail tested surface ideal plane and be fitted in the perpendicular rail face of tested surface on the auxiliary positioning face.
2. railroad track rail according to claim 1 is directly spent somascope, and one of its feature is that the driving mechanism that the drive displacement sensor moves along guide rail is a pulley hawser driving mechanism.
3. railroad track rail according to claim 2 is directly spent somascope, it is characterized in that described pulley hawser driving mechanism is mainly by the active fixed pulley, driven fixed pulley and running block constitute, initiatively fixed pulley and driven fixed pulley are arranged on the two ends of measuring beam, be wound on two terminations of hawser on the active fixed pulley, a termination directly lies in the displacement transducer mount pad, another termination through a travelling block of driven fixed pulley and running block lie in driven fixed pulley on the measurement beam at one end, another travelling block that displacement transducer signal is drawn winding displacement process running block is fixed on the measurement beam, forms the driving mechanism that moves back and forth along guide rail from both direction traction displacement transducer.
4. railroad track rail according to claim 3 is directly spent somascope, it is characterized in that displacement transducer signal draws winding displacement and be fixed in the point of fixity of measuring on the beam and be positioned at the central part of measuring beam.
5. railroad track rail according to claim 3 is directly spent somascope, it is characterized in that lying in an end pull-cord of measuring on the beam through driven fixed pulley and running block lies in by tensioning spring and measure on the beam.
6. railroad track rail according to claim 3 is directly spent somascope, it is characterized in that two travelling block of running block, and the locus of pulley axis interlocks.
7. railroad track rail according to claim 3 is directly spent somascope, it is characterized in that initiatively designing the spiral rope chute that has with the pull-cord coupling on the fixed pulley.
8. directly spend somascope according to the described railroad track rail of each claim in the claim 1 to 7, it is characterized in that described propulsion system are stepper motor, stepper motor is by being installed in the powered battery of measuring on the beam.
9. directly spend somascope according to the described railroad track rail of each claim in the claim 1 to 7, it is characterized in that described measuring basis locating device is by the auxilliary locating piece of assisting locating surface being provided and providing the main locating piece of main locating surface to constitute, auxilliary locating piece is installed together mutual vertically by bearing pin and spring and main locating piece, and its bottom surface of matching with main locating piece design has the cross draw-in groove, and the distance of four sides and self rotating shaft does not wait.
10. directly spend somascope according to the described railroad track rail of each claim in the claim 1 to 7, it is characterized in that described measurement beam is the shell structure beam, propulsion system, driving mechanism, guide rail and data acquisition system (DAS) are installed in the shell chamber of measuring beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200826962U CN201199147Y (en) | 2007-12-25 | 2007-12-25 | Instrument for checking steel rail straight degree of railway rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200826962U CN201199147Y (en) | 2007-12-25 | 2007-12-25 | Instrument for checking steel rail straight degree of railway rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201199147Y true CN201199147Y (en) | 2009-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200826962U Expired - Lifetime CN201199147Y (en) | 2007-12-25 | 2007-12-25 | Instrument for checking steel rail straight degree of railway rail |
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| CN (1) | CN201199147Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819018B (en) * | 2009-02-26 | 2011-11-30 | 鸿富锦精密工业（深圳）有限公司 | Detector |
| CN102951178A (en) * | 2011-08-16 | 2013-03-06 | 北京市劳动保护科学研究所 | Sliding contact type signal acquisition device for rail detection |
| TWI407077B (en) * | 2009-03-12 | 2013-09-01 | Hon Hai Prec Ind Co Ltd | Detecting apparatus |
| US9816796B2 (en) | 2014-10-09 | 2017-11-14 | Wurtec, Incorporated | Guide rail straightness tester |
| CN109870103A (en) * | 2017-12-05 | 2019-06-11 | 成都神澜科技有限公司 | A kind of electronics ruler for railway track joint maintenance test |
| CN110630086A (en) * | 2019-10-21 | 2019-12-31 | 哈尔滨工业大学建筑设计研究院 | Be applied to collision avoidance all around in ice and snow sports building match place |
| CN112381383A (en) * | 2020-11-12 | 2021-02-19 | 李和壁 | Intelligent auxiliary system for railway shunting operation |
-
2007
- 2007-12-25 CN CNU2007200826962U patent/CN201199147Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819018B (en) * | 2009-02-26 | 2011-11-30 | 鸿富锦精密工业（深圳）有限公司 | Detector |
| TWI407077B (en) * | 2009-03-12 | 2013-09-01 | Hon Hai Prec Ind Co Ltd | Detecting apparatus |
| CN102951178A (en) * | 2011-08-16 | 2013-03-06 | 北京市劳动保护科学研究所 | Sliding contact type signal acquisition device for rail detection |
| US9816796B2 (en) | 2014-10-09 | 2017-11-14 | Wurtec, Incorporated | Guide rail straightness tester |
| CN109870103A (en) * | 2017-12-05 | 2019-06-11 | 成都神澜科技有限公司 | A kind of electronics ruler for railway track joint maintenance test |
| CN110630086A (en) * | 2019-10-21 | 2019-12-31 | 哈尔滨工业大学建筑设计研究院 | Be applied to collision avoidance all around in ice and snow sports building match place |
| CN112381383A (en) * | 2020-11-12 | 2021-02-19 | 李和壁 | Intelligent auxiliary system for railway shunting operation |
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