CN109532937A - A kind of vehicle-mounted Metro Clearance detection method and its detection system - Google Patents
A kind of vehicle-mounted Metro Clearance detection method and its detection system Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/02—Profile gauges, e.g. loading gauges
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Abstract
The invention discloses a kind of vehicle-mounted Metro Clearance detection method and its detection systems, belong to the technical field of rail traffic, dynamic offset of the precise measurement wheel relative to orbit plane under vehicle actual operating mode, offset of the bogie system relative to wheel pair, offset of the car body relative to bogie, pass through displacement, inclination angle superposition algorithm calculates primary spring, offset on secondary spring, and using the displacement and dip migration amount as parameter, calculate the vehicle gauge coordinate value under the same coordinate system, and vehicle gauge contour line is exported under the frame of reference, realize the vehicle dynamic clearance detection based on actual measurement offset data, without simulating and emulating；It can also be achieved vehicle-mounted detection, it is more accurate for the detection of vehicle dynamic clearance better than the Static Gauge in clearance standard.
Description
Technical field
The invention belongs to the technical field of rail traffic, in particular to a kind of vehicle-mounted Metro Clearance detection method and
Its detection system.
Background technique
Based on the detection of existing vehicle gauge is mainly detected with Static Gauge, mostly using being pasted on the outside of car body in detection
External hanging device checks whether the method for having touching phenomenon and analog simulation with external equipment, and above-mentioned Static Gauge is used to examine
The detection method of survey haves the shortcomings that precision is not high.
Based on above-mentioned defect, in Patent No. 201310102261.X, denomination of invention are as follows: a kind of detection of vehicle gauge
Detection method disclosed in method and device includes: 11) to define the frame of reference；12) to the exterior contour of vehicle cross section into
Row Laser emission scanning, to obtain the coordinate value of each test point on the exterior contour in the vehicle cross section；13) basis
The coordinate value draws the exterior contour under travel condition of vehicle, mainly using laser detecting apparatus scanning vehicle exterior contour
Fixed limit detection device, it is at high cost.
In Patent No. 201410720189.1, denomination of invention are as follows: disclosed in a kind of vehicle gauge detection method and system
Detection method be by vehicle be placed in simulation actual road conditions under specific position when detection each test point of train displacement and train incline
Angle, and using the displacement and inclination angle as parameter, each test point coordinate value under the same coordinate system is calculated, train is can be realized and exists
The detection that dynamic clearance is completed on test wire, without carrying out emulation experiment again by computer, the data obtained is truer
Reliably, but it is primarily present that structure is complicated, volume is big and the defect of simulation floor data inaccuracy.
In Patent No. 201611121503.X, denomination of invention are as follows: a kind of rail vehicle limit detection device and detection side
Limit detection device disclosed in method includes gantry frame and the adjustable shelf for installing limit gauge；The adjustable shelf can pass through
Driving device drives to be moved back and forth along the short transverse of gantry frame, is equipped with and is used between adjustable shelf at the top of the gantry frame
In the reset element for connecting suspension mechanism certainly and releasing the locking that adjustable shelf is locked in gantry frame top position, using gantry frame
Frame and limit gauge detect limit, and the volume that has that structure is complicated is big and the lower defect of detection accuracy.
In Patent No. 201720170036.3, denomination of invention are as follows: a kind of scan-type rail traffic vehicles limit detection dress
Detection device disclosed in setting by arranging multiple laser profile detectors on the rack, it is ensured that each on vehicle's contour
Point is all covered to, to guarantee the accuracy of dynamic outline detection, volume that its structure is complicated is big, meanwhile, and to fixed bit
Set detection.
To sum up, vehicle dynamic offset detection method domestic at present moves part under vehicle mainly for body part
State offset checking method and detection system are less, and in vehicle dynamic clearance, the offset of part is to vehicle gauge under vehicle
There is highly important influence again.
Summary of the invention
In view of this, in order to solve the above problems existing in the present technology, the present invention provides a kind of vehicle-mounted Metro Clearances
Detection method and its detection system are a set of bullet train dynamic clearance offsets based on displacement, the accurate detection technique in inclination angle
Tracking detection method and detection system.
The technical scheme adopted by the invention is as follows: a kind of vehicle-mounted Metro Clearance detection method, comprising the following steps:
(1) define the frame of reference: vehicle gauge position coordinates of the frame of reference to define vehicle detection section are drawn
Dynamic limit profile；
(2) detect offset: the wheel for detecting vehicle respectively is opposite to dynamic offset, the bogie relative to orbit plane
In wheel pair offset, bogie is relative to car body offset and car body offset；
(3) inclination direction is detected: the inclination direction of detection car body and bogie；
(4) it obtains vehicle gauge contour line: vehicle dynamic clearance coordinate value under the same coordinate system is calculated, in the benchmark of foundation
Vehicle gauge contour line is exported under coordinate system.
Further, the frame of reference in the step (1) is set as sitting perpendicular to the two-dimensional surface right angle of orbit plane
Mark system, the abscissa of the two-dimensional surface rectangular coordinate system are X-axis and the top planes for being tangential on track, and ordinate is Y-axis and hangs down
Directly in the top planes of track, origin is gauge central point.
Further, car body offset uses following detection method in the step (2):
A1 first laser phasescan instrument) is installed in headstock and scans the top planes of track；
A2) the first laser phasescan instrument is demarcated in a static condition, and establishes the first coordinate system；
A3) data of each point in a dynamic condition are with the frame of reference for reference, in car body dynamic operation mistake
Cheng Zhong, the coordinate data as obtained by first laser phasescan instrument obtain car body offset.
Further, in the step (2) bogie relative to car body offset use following detection method:
B1 it) is respectively provided with the first stay wire displacement sensor and the second stay wire displacement sensor on the car body；
B2) the bracing wire measurement end of the first stay wire displacement sensor is connected on bogie and the measurement direction of bracing wire measurement end
It is perpendicular with the top planes of track；The bracing wire measurement end of second stay wire displacement sensor is connected on bogie and bracing wire measures
The measurement direction at end and the top planes of track are parallel；
B3) vertical offset of the first stay wire displacement sensor measurement bogie relative to car body, the second bracing wire displacement pass
Sensor measures transversal displacement of the bogie relative to car body.
Further, wheel uses following detection method to the offset relative to bogie in the step (2):
C1) third stay wire displacement sensor and laser displacement sensor are housed on bogie；
C2) the bracing wire measurement end of third stay wire displacement sensor be connected to wheel to upper and bracing wire measurement end measurement direction with
The top planes of track are perpendicular；The installation direction of laser displacement sensor is horizontal direction；
C3) third stay wire displacement sensor measurement wheel is to the vertical offset relative to bogie, laser displacement sensor
Measurement wheel is to the transversal displacement relative to bogie.
Further, it is taken turns using indirect method of measurement measurement to the dynamic deflection relative to orbit plane in the step (2)
Amount, specific step is as follows for the indirect method of measurement:
D1) lateral shift of the second laser phasescan instrument measurement bogie relative to orbit plane is installed on bogie
Measure Lbrt, vertical offset L with bogie relative to rail levelbrv；
D2 transversal displacement L of the bogie relative to wheel pair) is obtained by laser displacement sensorbwt, pass through third bracing wire
Displacement sensor obtains vertical offset L of the bogie relative to wheel pairbwv；
D3) detect wheel to phase indirectly relative to the offset of wheel pair relative to orbit plane, bogie by bogie
For the lateral displacement amount L of orbit planewrt, take turns to the vertical deviation amount L relative to orbit planewrv, derivation formula is as follows
Shown in formula:
Lwrt=Lbrt-Lbwt
Lwrv=Lbrv-Lbwv。
Further, specific step is as follows for the step (3):
3.1) be separately installed on bogie and car body first obliquity sensor parallel with car body direction of advance and
Second obliquity sensor；
3.2) level inclination of bogie and car body is measured respectively by the first obliquity sensor and the second obliquity sensor,
To measure the inclined direction of vehicle.
Further, signal processing carried out by processor in the step (4), calculated, and final output is specifically inclined
Numerical quantity and limit coordinate value are moved, vehicle gauge contour line is exported under the frame of reference of foundation.
A kind of vehicle-mounted Metro Clearance Detection including track, travels on vehicle body on track, and vehicle body includes
Car body, the bogie for bearing body and the wheel pair that is assemblied on bogie are equipped with first laser on the headstock of the car body
Phasescan instrument；The first stay wire displacement sensor and the second stay wire displacement sensor, the first bracing wire are respectively provided on the car body
The bracing wire measurement end of displacement sensor and the second stay wire displacement sensor is all connected on bogie；Equipped with the on the bogie
Three stay wire displacement sensors and laser displacement sensing, the bracing wire measurement end of third stay wire displacement sensor are connected to wheel to upper；Institute
The middle part of bogie is stated equipped with second laser phasescan instrument；It is separately installed on the bogie and car body and car body advance side
To parallel the first obliquity sensor and the second obliquity sensor；It further include processor, the first laser phasescan instrument,
First stay wire displacement sensor, the second stay wire displacement sensor, third stay wire displacement sensor, laser displacement sensor, second
Laser phase scanner, the first obliquity sensor and the second obliquity sensor are electrically connected with processor.
Further, the measurement direction of first stay wire displacement sensor and the second stay wire displacement sensor respectively with rail
The plane in road it is perpendicular with it is parallel, the measurement direction of third stay wire displacement sensor and the plane of track are vertical.
The invention has the benefit that
1. use vehicle-mounted Metro Clearance detection method provided by the present invention, by detect respectively the wheel of vehicle to relative to
Dynamic offset, the bogie of orbit plane are inclined relative to car body offset and car body relative to the offset of wheel pair, bogie
Shifting amount, and the inclination direction for detecting car body and bogie compensates, and to export vehicle gauge contour line, realizes based on actual measurement
The vehicle dynamic clearance of offset data detects, without simulation and emulation；It can also be achieved vehicle-mounted detection, better than in clearance standard
Static Gauge, it is more accurate for the detection of vehicle dynamic clearance.
It, can not only car body wheel in precise measurement movement 2. the vehicle-mounted Metro Clearance detection method provided through the invention
Offset of the exterior feature relative to orbit plane, moreover it is possible to which the dynamic offset of bogie, wheel pair in precise measurement movement provides
Partial dislocation quantity measuring method under vehicle provides Research foundation and method for limit research.
Detailed description of the invention
Fig. 1 is the work flow diagram of vehicle-mounted Metro Clearance detection method provided by the invention；
Fig. 2 is the solution schematic diagram of car body offset in vehicle-mounted Metro Clearance detection method provided by the invention；
Fig. 3 is the installation signal of first laser phasescan instrument in vehicle-mounted Metro Clearance Detection provided by the invention
Figure；
Fig. 4 is the installation schematic elevation view that lower vehicle detects in vehicle-mounted Metro Clearance Detection provided by the invention；
Fig. 5 is the installation schematic side view that lower vehicle detects in vehicle-mounted Metro Clearance Detection provided by the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present invention, it should be noted that indicating position or positional relationship is based on shown in attached drawings
The orientation or positional relationship invention product using when the orientation or positional relationship usually put or this field
Orientation or positional relationship that technical staff usually understands or the invention product using when the orientation usually put or position close
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " the
One ", " second " is only used for distinguishing description, is not understood to indicate or imply relative importance.
As shown in Figure 1, disclosing a kind of vehicle-mounted Metro Clearance detection method in the present embodiment, comprising the following steps:
(1) define the frame of reference: vehicle gauge position coordinates of the frame of reference to define vehicle detection section are drawn
Dynamic limit profile；The frame of reference is set as the two-dimensional surface rectangular coordinate system perpendicular to orbit plane 1, the two dimension is flat
The abscissa of face rectangular coordinate system is X-axis and the top planes for being tangential on track, and ordinate is Y-axis and the top perpendicular to track
Plane, origin are gauge central point；The track is applied to vehicle and travels on it.
(2) it detects offset: detecting the wheel of vehicle respectively to 3 dynamic offset, the bogie 4 relative to orbit plane 1
Relative to wheel to 3 offset, bogie 4 is relative to car body offset and car body offset；
Wherein: a. car body offset uses following detection method:
A1 first laser phasescan instrument 17) is installed in headstock and scans the top planes of track and the top of scanning track
Plane, first laser phasescan instrument 17 are used to measure the transverse direction and vertical deviation amount of 10 relative orbit plane 1 of car body；
It a2, need to be in a static condition to the first laser phasescan instrument) before the data acquisition of car body offset
17 are demarcated, and establish the first coordinate system；
A3) data of each point of car body 10 in a dynamic condition are with the frame of reference for reference, dynamic in car body 10
In state operational process, the coordinate data as obtained by first laser phasescan instrument 17 obtains car body offset.
As shown in Figure 2, wherein α and L respectively indicate the installation point of first laser phasescan instrument 17 relative to gauge center
The deflection angle and offset distance of point, the origin O of reference axis are the first laser phasescan instrument after static state is demarcated
17 installation center point, coordinate axis origin O1 are the installation center points of current pose first laser phasescan instrument 17；Pass through
The coordinate point data of one laser scanner can calculate angle of deflection, can be in the hope of according to trigonometric function after the α solved
Then the size of L out solves car body offset and vehicle attitude, in Fig. 2, α is track centerline 14 and vehicle centre-line 15
Between angle, vehicle dynamic clearance be label 13, vehicle wheel profile be label 16.
B. bogie 4 uses following detection method relative to car body offset:
B1 the first stay wire displacement sensor 5 and the second stay wire displacement sensor 6) are respectively provided on car body 10；
B2) the bracing wire measurement end of the first stay wire displacement sensor 5 is connected on bogie 4 and the measurement side of bracing wire measurement end
It is to perpendicular with the top planes of track, i.e., parallel with the axis direction of secondary spring, when car body 10 is produced relative to bogie 4
When raw vertical deviation, the first stay wire displacement sensor 5 can the vertical offset of real-time measurement；The drawing of second stay wire displacement sensor 6
Line measurement end is connected on bogie 4 and the measurement direction of bracing wire measurement end is parallel with the top planes of track, i.e., with two systems
The contour direction of spring is perpendicular, when car body 10 generates lateral displacement relative to bogie 4, the second stay wire displacement sensor 6
It can real-time measurement transversal displacement；
B3) vertical offset of the first stay wire displacement sensor 5 measurement bogie 4 relative to car body 10, the second bracing wire position
Displacement sensor 6 measures transversal displacement of the bogie 4 relative to car body 10.
C. take turns to 3 relative to bogie 4 offset using following detection method:
C1) third stay wire displacement sensor 7 and laser displacement sensor 8 are housed on bogie 4；
C2) the bracing wire measurement end of third stay wire displacement sensor 7 is connected to wheel to (the bracing wire measurement end is fixed on institute on 3
Wheel is stated on 3 bearing block, to measure wheel to 3 displacement relative to bogie 4) and bracing wire measurement end measurement direction and track
Top planes it is perpendicular, i.e., it is parallel with the axis direction of primary spring；The installation direction of laser displacement sensor 8 is level side
To the horizontal direction is to be parallel to the direction of the orbit plane 1, for measuring wheel to the 3 lateral position relative to car body 10
Shifting amount；
C3) measurement of third stay wire displacement sensor 7 wheel is to the 3 vertical offset relative to bogie 4, laser displacement sensing
Device measurement wheel is to 3 transversal displacement relative to bogie 4.
D. due to take turns to 3 relative to orbit plane 1 offset measurement it is relatively complicated, and take turns it is direct with track to 3
Contact and wheel be kept in motion to 3, therefore, take turns to 3 relative to rail level offset measurement it is relatively complicated, in this implementation
In example, using indirect method of measurement measurement wheel to 3 dynamic offset relative to orbit plane 1, the indirect method of measurement specific steps
It is as follows:
D1) second laser phasescan instrument 9 is installed on bogie 4 measure transverse direction of the bogie 4 relative to orbit plane 1
Offset Lbrt, the vertical offset Lbrv with bogie 4 relative to rail level；
D2 bogie 4) is obtained relative to wheel to 3 transversal displacement Lbwt by laser displacement sensor 8, and passes through the
Three stay wire displacement sensors 7 obtain bogie 4 relative to the vertical offset Lbwv taken turns to 3；
D3 wheel) is detected to 3 offset relative to wheel relative to orbit plane 1, bogie 4 by bogie 4 indirectly
To the 3 lateral displacement amount Lwrt relative to orbit plane 1, takes turns to the 3 vertical deviation amount Lwrv relative to orbit plane 1, push away
Formula is led to be shown below:
Lwrt=Lbrt-Lbwt
Lwrv=Lbrv-Lbwv.
(3) inclination direction is detected: the inclination direction of detection car body 10 and bogie 4；Specific step is as follows for the step:
3.1) the first inclination angle sensing parallel with 10 direction of advance of car body is separately installed on bogie 4 and car body 10
Device 12 and the second obliquity sensor 11；
3.2) water of bogie 4 and car body 10 is measured respectively by the first obliquity sensor 12 and the second obliquity sensor 11
Flat inclination angle measures the inclined direction of vehicle, passes through the offset on displacement, inclination angle superposition algorithm reckoning primary spring, secondary spring
Amount.
In vehicle gauge calculating, the directional correlation of the offset of car body 10 and inclination angle generation according to the offset of car body 10 and inclines
The direction that angle generates is identical or contrary with different calculation method and calculation formula, therefore, in the same of detection offset
When consider inclination direction, bogie 4, car body 10 are measured by the first obliquity sensor 12 and the second obliquity sensor 11 respectively
Inclination angle, the lateral and vertical relative displacement of transverse direction and vertical relative displacement, secondary spring to primary spring compensates.?
Bogie 4 is separately installed with first obliquity sensor 12 and second parallel with vehicle forward direction with 10 horizontal position of car body and inclines
Angle transducer 11 measures the level inclination of bogie 4 and car body 10 respectively, measures inclination of vehicle direction.
(4) it obtains vehicle gauge contour line: vehicle dynamic clearance coordinate value under the same coordinate system is calculated, in the benchmark of foundation
Under coordinate system export vehicle gauge contour line, in this step by processor real-time reception first laser phasescan instrument 17,
First stay wire displacement sensor 5, the second stay wire displacement sensor 6, third stay wire displacement sensor 7, laser displacement sensor 8,
The signal of second laser phasescan instrument 9, the first obliquity sensor 12 and the second obliquity sensor 11, to obtain each detection
The signal that position detection arrives, and carry out signal processing, calculate, final output specifically deviates numerical quantity and limit coordinate value,
Vehicle gauge contour line is exported under the frame of reference of foundation, by above-mentioned measured each shift offset and dip migration amount
As parameter, the vehicle gauge coordinate value under the same coordinate system is calculated, can be realized the detection of the practical dynamic clearance of vehicle.
In the present embodiment, used vehicle-mounted Metro Clearance detection method can be applied to vehicle-mounted Metro Clearance Detection
In, as shown in Figure 3-Figure 5, which includes track and can travel in the vehicle body 2 on the track,
Vehicle body 2 includes car body 10, the bogie 4 for bearing body 10 and the wheel that is assemblied on bogie 4 to 3.
For the offset detection for realizing each position, first laser phasescan instrument is housed on the headstock of the car body 10
17；The first stay wire displacement sensor 5 and the second stay wire displacement sensor 6, the first bracing wire displacement are respectively provided on the car body 10
The bracing wire measurement end of sensor 5 and the second stay wire displacement sensor 6 is all connected on bogie 4, and first bracing wire is displaced
The measurement direction of sensor 5 and the second stay wire displacement sensor 6 is perpendicular and parallel with the plane of track respectively；
Third stay wire displacement sensor 7 and laser displacement sensor 8, third bracing wire displacement are housed on the bogie 4
The bracing wire measurement end of sensor 7 is connected to wheel on 3, and the measurement direction of third stay wire displacement sensor 7 and the plane of track are hung down
Directly；It is inclined to 3 transverse direction relative to wheel that laser displacement sensor 8 and third stay wire displacement sensor 7 are respectively used to measurement bogie 4
Shifting amount and vertical offset.
Second laser phasescan instrument 9 is housed at the middle part of the bogie 4；On the bogie 4 and car body 10 respectively
First obliquity sensor 12 and second obliquity sensor 11 parallel with 10 direction of advance of car body are installed；First inclination angle sensing
Device 12 and the second obliquity sensor 11 measure the level inclination of bogie 4 and car body 10 respectively.
It further include processor, the first laser phasescan instrument 17, the first stay wire displacement sensor 5, the second bracing wire position
Displacement sensor 6, third stay wire displacement sensor 7, laser displacement sensor 8, second laser phasescan instrument 9, the first inclination angle pass
Sensor 12 and the second obliquity sensor 11 are electrically connected with processor.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all to fall into the claims in the present invention confining spectrum
Technical solution, be within the scope of the present invention.
Claims (10)
1. a kind of vehicle-mounted Metro Clearance detection method, which comprises the following steps:
(1) frame of reference: vehicle gauge position coordinates of the frame of reference to define vehicle detection section is defined, is drawn dynamic
State limit profile；
(2) detect offset: detect respectively the wheel of vehicle to relative to orbit plane dynamic offset, bogie is relative to wheel
Pair offset, bogie is relative to car body offset and car body offset；
(3) inclination direction is detected: the inclination direction of detection car body and bogie；
(4) it obtains vehicle gauge contour line: vehicle dynamic clearance coordinate value under the same coordinate system is calculated, in the reference coordinate of foundation
System is lower to export vehicle gauge contour line.
2. vehicle-mounted Metro Clearance detection method according to claim 1, which is characterized in that the benchmark in the step (1)
Coordinate system is set as the two-dimensional surface rectangular coordinate system perpendicular to orbit plane, and the abscissa of the two-dimensional surface rectangular coordinate system is X
Axis and the top planes for being tangential on track, ordinate are Y-axis and the top planes perpendicular to track, and origin is gauge central point.
3. vehicle-mounted Metro Clearance detection method according to claim 1, which is characterized in that car body is inclined in the step (2)
Shifting amount uses following detection method:
A1 first laser phasescan instrument) is installed in headstock and scans the top planes of track；
A2) the first laser phasescan instrument is demarcated in a static condition, and establishes the first coordinate system；
A3) data of each point in a dynamic condition are with the frame of reference for reference, in car body dynamic running process,
The coordinate data as obtained by first laser phasescan instrument obtains car body offset.
4. vehicle-mounted Metro Clearance detection method according to claim 1, which is characterized in that bogie in the step (2)
Following detection method is used relative to car body offset:
B1 it) is respectively provided with the first stay wire displacement sensor and the second stay wire displacement sensor on the car body；
B2) the bracing wire measurement end of the first stay wire displacement sensor is connected on bogie and the measurement direction and rail of bracing wire measurement end
The top planes in road are perpendicular；The bracing wire measurement end of second stay wire displacement sensor is connected on bogie and bracing wire measurement end
Measurement direction is parallel with the top planes of track；
B3) vertical offset of the first stay wire displacement sensor measurement bogie relative to car body, the second stay wire displacement sensor
Measure transversal displacement of the bogie relative to car body.
5. vehicle-mounted Metro Clearance detection method according to claim 1, which is characterized in that wheel is to phase in the step (2)
Following detection method is used for the offset of bogie:
C1) third stay wire displacement sensor and laser displacement sensor are housed on bogie；
C2) the bracing wire measurement end of third stay wire displacement sensor is connected to wheel to upper and bracing wire measurement end measurement direction and track
Top planes it is perpendicular；The installation direction of laser displacement sensor is horizontal direction；
C3) third stay wire displacement sensor measurement wheel is to the vertical offset relative to bogie, laser displacement sensor measurement
Wheel is to the transversal displacement relative to bogie.
6. vehicle-mounted Metro Clearance detection method according to claim 5, which is characterized in that between being used in the step (2)
Mensuration measurement wheel is connect to the dynamic offset relative to orbit plane, specific step is as follows for the indirect method of measurement:
D1) transversal displacement of the second laser phasescan instrument measurement bogie relative to orbit plane is installed on bogie
Lbrt, the vertical offset Lbrv with bogie relative to rail level；
D2 transversal displacement Lbwt of the bogie relative to wheel pair) is obtained by laser displacement sensor, passes through third bracing wire position
Displacement sensor obtains vertical offset Lbwv of the bogie relative to wheel pair；
D3) by bogie relative to orbit plane, bogie relative to wheel pair offset indirectly detect wheel to relative to
The lateral displacement amount Lwrt of orbit plane takes turns to the vertical deviation amount Lwrv relative to orbit plane, derivation formula such as following formula
It is shown:
Lwrt=Lbrt-Lbwt
Lwrv=Lbrv-Lbwv.
7. vehicle-mounted Metro Clearance detection method according to claim 1, which is characterized in that the specific step of the step (3)
It is rapid as follows:
3.1) first obliquity sensor and second parallel with car body direction of advance is separately installed on bogie and car body
Obliquity sensor；
3.2) level inclination of bogie and car body is measured, respectively by the first obliquity sensor and the second obliquity sensor to survey
Measure the inclined direction of vehicle.
8. vehicle-mounted Metro Clearance detection method according to claim 1, which is characterized in that pass through place in the step (4)
It manages device to carry out signal processing, calculate, and final output specifically deviates numerical quantity and limit coordinate value, in the reference coordinate of foundation
System is lower to export vehicle gauge contour line.
9. a kind of vehicle-mounted Metro Clearance Detection, including track, vehicle body on track is travelled on, vehicle body includes vehicle
Body, the bogie for bearing body and the wheel pair that is assemblied on bogie, which is characterized in that be equipped on the headstock of the car body
First laser phasescan instrument；The first stay wire displacement sensor and the second stay wire displacement sensor are respectively provided on the car body,
The bracing wire measurement end of first stay wire displacement sensor and the second stay wire displacement sensor is all connected on bogie；The bogie
Upper to sense equipped with third stay wire displacement sensor and laser displacement, the bracing wire measurement end of third stay wire displacement sensor is connected to wheel
To upper；The middle part of the bogie is equipped with second laser phasescan instrument；It is separately installed on the bogie and car body and vehicle
Body direction of advance parallel the first obliquity sensor and the second obliquity sensor；It further include processor, the first laser phase
Bit scan instrument, the first stay wire displacement sensor, the second stay wire displacement sensor, third stay wire displacement sensor, laser displacement pass
Sensor, second laser phasescan instrument, the first obliquity sensor and the second obliquity sensor are electrically connected with processor.
10. vehicle-mounted Metro Clearance Detection according to claim 9, which is characterized in that the first bracing wire displacement passes
The measurement direction of sensor and the second stay wire displacement sensor is perpendicular and parallel with the plane of track respectively, and third bracing wire displacement passes
The measurement direction of sensor and the plane of track are vertical.
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| CN2018113556377 | 2018-11-14 | ||
| CN201811355637 | 2018-11-14 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803198A (en) * | 2019-11-29 | 2020-02-18 | 中车南京浦镇车辆有限公司 | Rail vehicle derailment detection method based on bogie contour line |
| CN110849288A (en) * | 2019-11-29 | 2020-02-28 | 中车南京浦镇车辆有限公司 | Rail vehicle derailment detection method based on vehicle body contour line |
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| CN114112448A (en) * | 2021-11-24 | 2022-03-01 | 中车长春轨道客车股份有限公司 | Testing device and testing method for dynamic limit of magnetic levitation vehicle based on F rail |
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