CN107289983A - The dynamic calibrating method of subway vehicle-mounted detection apparatus - Google Patents
The dynamic calibrating method of subway vehicle-mounted detection apparatus Download PDFInfo
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- CN107289983A CN107289983A CN201710625623.1A CN201710625623A CN107289983A CN 107289983 A CN107289983 A CN 107289983A CN 201710625623 A CN201710625623 A CN 201710625623A CN 107289983 A CN107289983 A CN 107289983A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a kind of dynamic calibrating method of subway vehicle-mounted detection apparatus, a segment standard track circuit is chosen or built；Required according to the corresponding detection of the detection type of vehicle-mounted detection apparatus, on the standard trajectory circuit, anchor point is laid by the way of track main track same type；In the anchor point, standard detecting devices are set；Required according to the corresponding detection of the detection type, standard detecting devices are set with corresponding standard parameter value respectively.Using the present invention, with unified standard, high-precision follow-up detection operation can be effectively carried out.
Description
Technical field
The invention belongs to subway detection technique field, and in particular to a kind of dynamic calibration side of subway vehicle-mounted detection apparatus
Method.
Background technology
Vehicle-mounted contact net/rail suspension arrangement of subway detection car is a kind of vehicle-mounted detection apparatus, vehicle-mounted detection apparatus peace
It is continuous when detecting car traveling to detect contact net/rail suspension behavior, ginseng mounted in synthetic detection vehicle (or on other operation engineering trucks)
Count, then analysis, processing data, correctly to evaluate the quality of contact net/rail contact suspension and pantograph running quality.
It is temporarily not a set of for its dynamic demarcation because contact net/rail detection system is not long with the time in subway
Unification, science, effective manner, come whether the vehicle-mounted contact net of authentication subway detection car/rail detection system precision meets it
It is required that the accuracy class reached.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of dynamic calibration side of subway vehicle-mounted detection apparatus
Method, with unified standard, can effectively carry out high-precision follow-up detection operation.
To achieve the above object, the present invention is achieved by following technical scheme：
The dynamic calibrating method of subway vehicle-mounted detection apparatus of the present invention, comprises the following steps：
Choose or build a segment standard track circuit；
Required according to the corresponding detection of the detection type of vehicle-mounted detection apparatus, on the standard trajectory circuit, using rail
The mode of road main track same type lays anchor point；
In the anchor point, standard detecting devices are set；
Required according to the corresponding detection of the detection type, standard detecting devices are set with corresponding canonical parameter respectively
Value.
Further, the detection type is rigid contact net, and the anchor point is disposed on 7.5m-8.5m.
Further, the standard parameter value includes leading high level, stagger and leads high value of slope.
Further, the detection type is rigid suspension OCS, and the anchor point is disposed on 14m-16m.
Further, the parameter standard value includes leading high level, stagger, being installed on the online locator of flexible contact
Value of slope and lead high value of slope.
Further, the high level of leading is based on design standard value, and standard value presses a i using minimum precision a as one-level
(i=1,2 ...) set standard value, and set positive level shift standard value and negative sense level shift standard value；
The setting scope is defined by the scope of design of rigidity or rigid suspension OCS, and continuous setting, and is ensured by electricity
In the working range of bow；Wherein, the scope of design of rigid contact net is between 3900mm-4500mm；The design of rigid suspension OCS
Scope is between 4000mm-5500mm；
The stagger is basic by zero point of pantograph center stagger, and standard value presses b using minimum precision b as one-level
I (i=1,2 ...) sets standard value, and positive level shift standard value and negative sense level shift standard value are set respectively, model is set
Enclose and be defined for the scope of design value of contact net circuit, i.e. between ± 400mm, and continuous setting, and ensure the work in pantograph
In the range of；
Described to lead high value of slope based on designing and lead height, precision is one-level with minimum precision c ‰, and by nc (n=1,
2 ...) standard value is set, positive level shift and negative sense level shift be set respectively, and peak excursion is not to influence vehicle normally to transport
Behavior foundation.
Further, the locator value of slope is based on the design load gradient, and standard value is one-level with d °, and by nd °
(n=1,2 ...) set standard value to set positive level shift and negative sense level shift respectively, and peak excursion is not to influence vehicle
Normally operate to foundation.
Further, the detection type is conductor rail, and the anchor point is disposed on 5.5m-6.5m.
Further, the parameter standard value includes working depth value and deviant；
The working depth value based on design standard value, standard value using minimum precision e as one-level, and by ne (n=1,
2 ...) standard value is set, and positive level shift standard value and negative sense level shift standard value are set, scope is set with conductor rail
In ensureing the working range in collector shoe between 150mm-250mm, and continuous set；
The deviant is based on insulating support centre-to-centre spacing wire center horizontal range is, standard value is with minimum precision f
For one-level, and standard value is set by f i (i=1,2 ...), sets scope to ensure with conductor rail in the working range of collector shoe,
With specific reference to being the no more than vehicle gauge according to determining on the basis of car and centenary design, and vehicle gauge.
Further, the length of the standard trajectory circuit is no less than most short needed for launch train, acceleration, stopping brake
Distance；
The examination of irregularity amplitude≤staticaccelerator track set size allowable deviation management value on the standard trajectory circuit
Standard.
Compared with prior art, the beneficial effects of the invention are as follows：
The dynamic calibrating method of subway vehicle-mounted detection apparatus of the present invention, by setting a set of standard trajectory circuit,
And standard detecting devices are set on the standard trajectory circuit, so that subway vehicle-mounted detection apparatus to be detected is dynamic at this
When being run on standard trajectory circuit, treat parameter values for detection by standard detecting devices and detected, and join with the standard of setting
Numeric ratio pair, so as to complete follow-up detection.
The standard of above scaling method setting has uniformity, and carries out science in strict accordance with existing examination criteria
Setting, can effectively carry out follow-up detection operation, and accuracy of detection is high.
Brief description of the drawings
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the flow chart of the dynamic calibrating method of the subway vehicle-mounted detection apparatus described in the embodiment of the present invention 1.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
The dynamic calibrating method of subway vehicle-mounted detection apparatus of the present invention, by standardized designs, first by
A segment standard track circuit is chosen on existing track, or individually builds a segment standard track circuit, is then set according to standard
Anchor point is put, and the standard detecting devices for being already provided with standard parameter value are set on anchor point, so as to complete positioning
Set.During follow-up practice, it is that the subway vehicle-mounted detection apparatus that dynamic operation gets up directly is detected.
Specifically, in real process, it can be detected to rigid contact net, rigid suspension OCS and conductor rail, tool
The corresponding scaling method of body is as follows：
Embodiment 1：
As shown in figure 1, the present embodiment is the specific scaling method to rigid contact net, it comprises the following steps：
S11：Choose or build a segment standard track circuit；
For having, suitable track can be chosen, then using choosing, can save cost；Such as nothing, then can individually it build
The track circuit of one end standard.Its specific length be can not less than launch train, acceleration, stopping brake apart from sum, i.e.,
It need to ensure to complete all detection length when train is run on the track circuit.Meanwhile, track irregularity amplitude is set should not
More than acceptance criteria (reference railway line maintenance rule V≤120km/h skills of staticaccelerator track physical dimension allowable deviation management value
Art standard).
S12：Required according to the detection of rigid contact net, on the standard trajectory circuit, using track main track same type
Mode lay anchor point；The anchor point is disposed on 7.5m-8.5m；
S13：In the anchor point, standard detecting devices are set；
S14：Required according to the detection of rigid contact net, standard detecting devices are set with corresponding standard parameter value respectively.
The parameter value of the standard, which includes, leads high level, stagger and leads high value of slope.
Wherein, the high level of leading is based on design standard value, and standard value presses a i (i=using minimum precision a as one-level
1st, 2 ...) standard value is set, and positive level shift standard value (being higher than design load direction) and negative sense level shift standard are set
Value (is less than design load direction)；
The setting scope is defined by the scope of design of rigid contact net, and continuous setting, and ensures the work in pantograph
In the range of work；Wherein, the scope of design of rigid contact net is between 3900mm-4500mm；The scope of design of rigid suspension OCS exists
Between 4000mm-5500mm；
The stagger is basic by zero point of pantograph center stagger, and standard value presses b using minimum precision b as one-level
I (i=1,2 ...) sets standard value, and positive level shift standard value (on the left of circuit) and negative sense level shift standard are set respectively
Value (on the right side of circuit), sets scope to be defined for the scope of design value of contact net circuit, i.e. between ± 400mm, and continuously sets, and
Ensure in the working range of pantograph；
Described to lead high value of slope based on designing and lead height, precision is one-level with minimum precision c ‰, and by nc (n=1,
2 ...) standard value is set, set positive level shift (being higher than design load direction) and negative sense level shift (to be less than design load respectively
Direction), peak excursion is not to influence vehicle normally to operate to foundation.
When being set to above standard parameter value, following condition need to be met：
1st, to ensure demarcation safety with being actually consistent, rigid contact net equipment standard value sets scope maximum to be not more than vehicle
With the allowed band and vehicle gauge of pantograph normal work.
2nd, according to the multiple place experience of defect, rigid contact net standard device standard value sets and typically set at anchor point
Put, can be also configured in other positions.
3rd, to keep testing result to be consistent with actually detected, contact net standard device standard value place must assure that experiment speed
Degree reaches more than 35km/h.
4th, rigid contact net standard device is arranged on fragment position in the middle of normal line (or calibration line), is asked no less than detection needs
Length distance.
5th, the accuracy class that rigid contact net standard device standard value need to be verified by detecting system is set, specific by mirror
Measuring accuracy after fixed meets at least 0.1mm and carried out.
In order to be better understood by the scaling method of rigid contact net, example is as follows：
Normal line (on calibration line) setting project includes leading high level, stagger respectively, leads high standard value and is set by one-level of 5mm
Put 5mm one-level offset criteria values；Stagger sets 10mm one-level offset criteria values by one-level of 10mm, is examined according to rigid contact net
Survey and require and the design of actual calibration line, on overall length 1km circuits, preset altogether at 68, continuous to set containing leading at high level 17, phase
Adjacent difference is in 10mm；Continuous to set at stagger 51, adjacent difference is 10, mm, preset rigid contact net standard device project and
Standard value, amplitude are shown in Table 1, and wherein locating point position numbering is numbered according to specific circuit actual conditions, but calibration line location device
Section between in the line, meets the span requirement designed with upper rigidity contact net.
The rigid contact net standard device project of table 1 and amplitude
Embodiment 2：
The present embodiment and the difference of embodiment 1 are that the type of detection is rigid suspension OCS, is comprised the following steps that：
S21：Choose or build a segment standard track circuit；
A set of standard trajectory circuit is chosen or builds, (line length meets train and opened line length no less than certain certain value
Dynamic, acceleration, the distance of stopping brake, detection length are no less than), track irregularity amplitude, which is set, should be not more than staticaccelerator track geometry
The acceptance criteria of size allowable deviation management value (with reference to railway line maintenance rule V≤120km/h technical standards).
S22：Required according to the detection of rigid suspension OCS, on the standard trajectory circuit, using track main track same type
Mode lay anchor point；According to the design span of rigid suspension OCS, 14m-16m is arranged on.
S23：In the anchor point, standard detecting devices are set；
S24：Required according to the corresponding detection of rigid suspension OCS, standard detecting devices are set with corresponding canonical parameter respectively
Value.
The parameter standard value include lead high level, stagger, be installed on the online locator of flexible contact value of slope and
Lead high value of slope：
The high level of leading based on design standard value, standard value using minimum precision a as one-level, and by a i (i=1,
2 ...) standard value is set, and positive level shift standard value and negative sense level shift standard value are set；
The setting scope is defined by the scope of design of rigidity or rigid suspension OCS, and continuous setting, and is ensured by electricity
In the working range of bow；Wherein, the scope of design of rigid contact net is between 3900mm-4500mm；The design of rigid suspension OCS
Scope is between 4000mm-5500mm；
The stagger is basic by zero point of pantograph center stagger, and standard value presses b using minimum precision b as one-level
I (i=1,2 ...) sets standard value, and positive level shift standard value and negative sense level shift standard value are set respectively, model is set
Enclose and be defined for the scope of design value of contact net circuit, i.e. between ± 400mm, and continuous setting, and ensure the work in pantograph
In the range of；
Described to lead high value of slope based on designing and lead height, precision is one-level with minimum precision c ‰, and by nc (n=1,
2 ...) standard value is set, positive level shift and negative sense level shift be set respectively, and peak excursion is not to influence vehicle normally to transport
Behavior foundation.
When being set to above standard parameter value, following condition need to be met：
1st, to ensure demarcation safety with being actually consistent, rigid suspension OCS equipment standard value sets scope maximum to be not more than vehicle
With the allowed band and vehicle gauge of pantograph normal work.
2nd, according to the multiple place experience of defect, rigid suspension OCS standard device standard value sets and typically set at anchor point
Put, can be also configured in other positions.
3rd, to keep testing result to be consistent with actually detected, rigid suspension OCS standard device standard value place must assure that examination
Test speed and reach more than 35km/h.
4th, rigid suspension OCS standard device is arranged on fragment position in the middle of normal line (or calibration line), is asked no less than detection needs
Length distance.
5th, the accuracy class that rigid suspension OCS standard device standard value need to be verified by detecting system is set, specific by mirror
Measuring accuracy after fixed meets at least 0.1mm and carried out.
Its corresponding instantiation is as follows：
Normal line (or on calibration line) setting project includes leading high, stagger respectively, leads high standard value and is set by one-level of 5mm
Put 5mm one-level offset criteria values；Stagger sets 10mm one-level offset criteria values by one-level of 10mm, will according to Contact Line Detection
The actual calibration line design of summation, on overall length 1km circuits, presets at 71 altogether, continuous to set containing leading at high level 17, adjacent difference
Value is in 5mm；Continuous to set at stagger 54, adjacent difference is 10mm, presets rigid suspension OCS standard device project and standard
Value, amplitude are shown in Table 2, and wherein locating point position numbering is numbered according to specific circuit actual conditions, but calibration line location device is online
Road interlude, meets the span requirement of above rigid suspension OCS design.
The contact net defect preset value of table two and position
Embodiment 3：
The present embodiment is different only in that the type of detection is conductor rail, is comprised the following steps that with embodiment 1：
S31：Choose or build a segment standard track circuit；
A set of standard trajectory circuit is chosen or builds, (line length meets train and opened line length no less than certain certain value
Dynamic, acceleration, the distance of stopping brake, detection length are no less than), track irregularity amplitude, which is set, should be not more than staticaccelerator track geometry
The acceptance criteria of size allowable deviation management value (with reference to railway line maintenance rule V≤120km/h technical standards).
S32：Required according to the detection of conductor rail, on the standard trajectory circuit, using the side of track main track same type
Formula lays anchor point；According to the design span of conductor rail, the anchor point is disposed on 5.5m-6.5m.
S33：In the anchor point, standard detecting devices are set；
S34：Required according to the corresponding detection of conductor rail, standard detecting devices are set with corresponding standard parameter value respectively.
The parameter standard value includes working depth value and deviant；
The working depth value based on design standard value, standard value using minimum precision e as one-level, and by ne (n=1,
2 ...) standard value is set, and positive level shift standard value (being higher than design load direction) and negative sense level shift standard value are set
(be less than design load direction), set in scope ensures working range in collector shoe between 150mm-250mm with conductor rail, and
It is continuous to set；
The deviant is based on insulating support centre-to-centre spacing wire center horizontal range is, standard value is with minimum precision f
For one-level, and standard value is set by f i (i=1,2 ...), sets scope to ensure with conductor rail in the working range of collector shoe,
With specific reference to being the no more than vehicle gauge according to determining on the basis of car and centenary design, and vehicle gauge.
According to principles above, instantiation is as follows：
Normal line (or on calibration line) sets project to include working depth, deviant respectively, and working depth standard value is with 2mm
For one-level, 2mm, 5mm two-stage offset criteria value are set；Deviant sets 2mm, 5mm, 10mm, 20mm level Four using 2mm as one-level
Offset criteria value, requires according to conductor rail detection and actual calibration line is designed, on overall length 1km circuits, preset at 68, contain altogether
It is continuous to set at working depth 25, continuous to set at deviant 43, preset exposure rail standard device project and standard value, amplitude
It is shown in Table 3.
The conductor rail accuracy preset value of table three and position
The dynamic calibrating method other structures of subway vehicle-mounted detection apparatus of the present invention are referring to prior art, herein not
Repeat again.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, therefore
Every any modification that without departing from technical solution of the present invention content, the technical spirit according to the present invention is made to above example,
Equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of dynamic calibrating method of subway vehicle-mounted detection apparatus, it is characterised in that comprise the following steps：
Choose or build a segment standard track circuit；
Required according to the corresponding detection of the detection type of vehicle-mounted detection apparatus, on the standard trajectory circuit, using track just
The mode of line same type lays anchor point；
In the anchor point, standard detecting devices are set；
Required according to the corresponding detection of the detection type, standard detecting devices are set with corresponding standard parameter value respectively.
2. the dynamic calibrating method of subway vehicle-mounted detection apparatus according to claim 1, it is characterised in that：
The detection type is rigid contact net, and the anchor point is disposed on 7.5m-8.5m.
3. the dynamic calibrating method of subway vehicle-mounted detection apparatus according to claim 2, it is characterised in that：
The standard parameter value includes leading high level, stagger and leads high value of slope.
4. the dynamic calibrating method of subway vehicle-mounted detection apparatus according to claim 1, it is characterised in that：
The detection type is rigid suspension OCS, and the anchor point is disposed on 14m-16m.
5. the dynamic calibrating method of subway vehicle-mounted detection apparatus according to claim 4, it is characterised in that：
The parameter standard value includes leading high level, stagger, being installed on the value of slope of the online locator of flexible contact and lead height
Value of slope.
6. the dynamic calibrating method of the subway vehicle-mounted detection apparatus according to claim 3 or 5, it is characterised in that：
The high level of leading is based on design standard value, and standard value is set using minimum precision a as one-level by ai (i=1,2 ...)
Standard value is put, and positive level shift standard value and negative sense level shift standard value are set；
The setting scope is defined by the scope of design of rigidity or rigid suspension OCS, and continuous setting, and is ensured in pantograph
In working range；Wherein, the scope of design of rigid contact net is between 3900mm-4500mm；The scope of design of rigid suspension OCS
Between 4000mm-5500mm；
The stagger is basic by zero point of pantograph center stagger, and standard value presses bi (i=using minimum precision b as one-level
1st, 2 ...) standard value is set, positive level shift standard value and negative sense level shift standard value are set respectively, set scope to connect
The scope of design value of net-fault circuit is defined, i.e. between ± 400mm, and continuous setting, and ensures in the working range of pantograph；
Described to lead high value of slope based on designing and lead height, precision is one-level with minimum precision c ‰, and by nc (n=1,2 ...)
Standard value is set, positive level shift and negative sense level shift be set respectively, peak excursion is not to influence vehicle normally to operate to
Foundation.
7. the dynamic calibrating method of subway vehicle-mounted detection apparatus according to claim 5, it is characterised in that：
The locator value of slope is based on the design load gradient, and standard value is one-level with d °, and is set by nd ° (n=1,2 ...)
Put standard value and positive level shift and negative sense level shift be set respectively, peak excursion with do not influence vehicle normally operate to according to
According to.
8. the dynamic calibrating method of subway vehicle-mounted detection apparatus according to claim 1, it is characterised in that：
The detection type is conductor rail, and the anchor point is disposed on 5.5m-6.5m.
9. the dynamic calibrating method of subway vehicle-mounted detection apparatus according to claim 8, it is characterised in that：
The parameter standard value includes working depth value and deviant；
The working depth value based on design standard value, standard value using minimum precision e as one-level, and by ne (n=1,
2 ...) standard value is set, and positive level shift standard value and negative sense level shift standard value are set, scope is set with conductor rail
In ensureing the working range in collector shoe between 150mm-250mm, and continuous set；
The deviant is based on insulating support centre-to-centre spacing wire center horizontal range is, standard value is using minimum precision f as one
Level, and standard value is set by fi (i=1,2 ...), set scope to ensure with conductor rail in the working range of collector shoe, specifically
It is foundation determination, no more than vehicle gauge according on the basis of car and centenary design, and vehicle gauge.
10. the dynamic calibrating method of subway vehicle-mounted detection apparatus according to claim 1 or 2, it is characterised in that：
The length of the standard trajectory circuit is no less than the beeline needed for launch train, acceleration, stopping brake；
The acceptance criteria of irregularity amplitude≤staticaccelerator track set size allowable deviation management value on the standard trajectory circuit.
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| CN110987489A (en) * | 2019-12-20 | 2020-04-10 | 中国铁建重工集团股份有限公司 | Calibration table for detection equipment |
| CN111723794A (en) * | 2020-06-24 | 2020-09-29 | 西南交通大学 | Real-time flexible contact net positioning point identification method |
| CN112782193A (en) * | 2021-02-02 | 2021-05-11 | 成都国铁电气设备有限公司 | Performance test platform and method for contact net suspension state detection and monitoring device |
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Application publication date: 20171024 |