CN107901946A - A kind of subway train Clearance Detection - Google Patents
A kind of subway train Clearance Detection Download PDFInfo
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- CN107901946A CN107901946A CN201711322103.XA CN201711322103A CN107901946A CN 107901946 A CN107901946 A CN 107901946A CN 201711322103 A CN201711322103 A CN 201711322103A CN 107901946 A CN107901946 A CN 107901946A
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Classifications
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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
- B61K9/08—Measuring installations for surveying permanent way
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/08—Railway inspection trolleys
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- Mechanical Engineering (AREA)
- Transportation (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of subway train Clearance Detection, including engineering truck (4), gauge detection unit is equipped with before the engineering truck (4), industrial personal computer operating platform (2) is equipped with the engineering truck (4), the gauge detection unit includes vehicle gauge detection device and facilities clearance detection device, the vehicle gauge detection device and facilities clearance detection device include symmetrically arranged two gauges detection structure, extending transversely mechanism (6) is equipped between two gauge detection structures described in each pair, rotary angle transmitter (7) is equipped with the vehicle gauge detection device and facilities clearance detection device, gauge detection plate (1) is equipped with the outside of the rotary angle transmitter (7), the rotary angle transmitter (7) is connected with the industrial personal computer operating platform (2).Subway train Clearance Detection of the present invention, control gauge detection unit stretch automatically according to circuit key point position.
Description
Technical field
The invention belongs to Subway Tunnel holing through survey and subway tunnel, ground, overhead section gauge detection technique field, more
A kind of in particular it relates to subway train Clearance Detection.
Background technology
In order to ensure subway train is safe for operation on subway line, prevent train hit adjacent lines building and
Equipment, and to train and close to the building of circuit, the overall size line for not allowing to surmount of equipment defined, it is known as gauge.
《Metro design code》(GB50157-2013) it is even more to be made that clear stipulaties in：All external buildings, equipment, any
In the case of must not invade the track clearance of subway line；It should be protected between the equipment and pipeline and facilities clearance installed in Gui Hang areas
Hold the safety clearance not less than 50mm.Therefore the accuracy of Metro Clearance measurement is particularly significant, is directly related to subway train fortune
Capable security.Wherein, Metro Clearance detection be after completely laying a railway track, subway into Chinese herbaceous peony to all fronts section (in tunnel and
Outside tunnel) the comprehensive careful detection of facilities clearance progress, find out equipment installation, legacy and civil engineering structure intrusion facilities clearance
Safety of the position of (invading limit) to ensure the subsequently hot and cold cunning of electric car and circuit is formally runed.
Gauge detection in the country's is generally completed using manpower mode at present, i.e., is detected by making a gauge that can be stretched
Frame, is fixed on flat car, and gauge detection is carried out to all fronts section using manual hand mode.Its shortcoming is：It is first, logical
When crossing curve or track switch, gauge detection framework needs to manually adjust detection for different sweeps and superelevation using manpower mode
Frame Widening, since not co-orbital sweep is different with superelevation, the Widening of vehicle gauge is entirely different, the detection side
Method can not simulate the gauge of vehicle under actual working environment；Second, when actual subway train is by curve or track switch, inside and outside it
The Widening of side continuously increases, and hand-rail type frame can not realize automatic continuous stretching, extension, this greatly reduces gauge
The precision of detection and accuracy；Third, when detect invade point of accumulation when, it is necessary to testing staff manually records, cause efficiency low
Under.
The content of the invention
For the disadvantages described above or Improvement requirement of the prior art, the present invention provide one kind can be applied to subway, high-speed railway,
The Clearance Detection of all kinds railway traffic engineering such as inter-city passenger rail, single track, tramcar, by by all fronts line map,
The key parameters such as point of tangent to spiral, point of spiral to curve mileage input industrial personal computer operating platform, with reference to the product to the engineering truck speed of service and time
Divide so as to fulfill the record to clearance car distance travelled, according to engineering truck distance travelled and system neutral road point of tangent to spiral, delay
Round dot is compared automatically controls gauge detection framework linear stretch by industrial personal computer operating platform, and realization makes gauge detection framework can
To be stretched automatically according to circuit key point position；Rotary angle transmitter is housed in the root of gauge detection plate, once gauge detection plate
Encounter barrier, i.e., can deflect and sound-light alarm information is sent in clearance car, while according to detection plate deflection angle
Automatic record of degree invades limit size and invades extreme position mileage, realizes the gauge detection of full-automation.
To achieve these goals, the present invention provides a kind of subway train Clearance Detection, including engineering truck, the work
Journey Chinese herbaceous peony is equipped with gauge detection unit, and industrial personal computer operating platform is equipped with the engineering truck；
The gauge detection unit includes vehicle gauge detection device and facilities clearance detection device, the vehicle gauge inspection
Surveying device and facilities clearance detection device includes symmetrically arranged two gauges detection structure, two gauge detection structures described in each pair
Between be equipped with extending transversely mechanism, for adjusting the span of corresponding two gauges detection structure respectively, to adapt to different rings
Gauge detection under border；
Rotary angle transmitter, the rotation angular sensing are equipped with the vehicle gauge detection device and facilities clearance detection device
Be equipped with gauge detection plate on the outside of device, the gauge detection plate to sense barrier and its positional information, the rotary angle transmitter and
The industrial personal computer operating platform connection, the industrial personal computer operating platform can be according to controlling the rotary angle transmitter feedack
Extending transversely mechanism action, and then control the span of corresponding each gauge detection structure, to realize different curvature and superelevation
Gauge detects.
Further, the extending transversely mechanism includes motor, reduction gearing and screw rod, the motor and the reducing gear
Wheel connection, the reduction gearing are connected with the screw rod.
Further, the motor, reduction gearing and screw rod are two, and are respectively symmetrically arranged on the extending transversely machine
The both sides of structure.
Further, the motor is realized with industrial personal computer operating platform and is electrically connected.
Further, the vehicle gauge detection device and facilities clearance detection device further include vertical extension means,
The vertical extension means are set perpendicular to track.
Further, the gauge detection unit further includes installation frame, and the rotary angle transmitter is several, and uniformly
It is distributed on the installation frame.
Further, the positional information that the rotary angle transmitter senses and the historical storage of the industrial personal computer operating platform
Data match, for transferring the curvature of curve and superelevation value parameter of present position, to obtain accurate span.
Further, sound-light alarm equipment is equipped with the engineering truck, the sound-light alarm equipment is grasped with the industrial personal computer
Make platform connection.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
(1) subway train Clearance Detection of the present invention, vehicle gauge detection device and facilities clearance detection device are wrapped
Containing symmetrically arranged two gauges detection structure, and transversal stretching mechanism, the transversal stretching machine are equipped between two gauge detection structures
The equipment such as two sets of symmetrically arranged motors, screw rods being included in structure, for controlling symmetrically arranged two gauges detection structure respectively
Span, to adapt to section, in switch area and station the track scene such as platform detection.
(2) subway train Clearance Detection of the present invention, is stored with various loci in circuit in industrial personal computer operating platform
Situation, including the curvature of curve track and superelevation value, with reference to the integration to the engineering truck speed of service and time so as to fulfill to limit
The record of car distance travelled is detected on boundary, and the sensing in combination with rotary angle transmitter obtains positional information, with industrial personal computer operating platform
The data match of middle storage, extracts accurate span information, so as to be precisely controlled vehicle gauge detection device and equipment
The span of detection device, simulates the environment that train truly travels completely, ensures the accuracy of detection.
(3) subway train Clearance Detection of the present invention, rotary angle transmitter is equipped with the root of gauge detection plate, once limit
Boundary's detection plate encounters barrier, i.e., can deflect and sound-light alarm information is sent in clearance car, while according to detection
Plate deflection angle is recorded automatically invades extreme position, realizes the gauge detection of full-automation, improves gauge detection efficiency, reduces
Labor strength.
Brief description of the drawings
Fig. 1 is a kind of side view of subway train Clearance Detection of the embodiment of the present invention；
Fig. 2 is a kind of top view of subway train Clearance Detection of the embodiment of the present invention；
Fig. 3 is gauge detection unit structure diagram of the embodiment of the present invention；
Fig. 4 is extending transversely mechanism structure schematic diagram in gauge detection unit of the embodiment of the present invention；
Fig. 5 widens method schematic diagram for a kind of subway train Clearance Detection of the embodiment of the present invention；
Fig. 6 is underground of embodiment of the present invention straightway facilities clearance structure diagram；
Fig. 7 is underground of embodiment of the present invention straightway vehicle gauge vehicle width design diagram；
Fig. 8 is underground of embodiment of the present invention straightway vehicle gauge structure diagram.
In all attached drawings, the identical structure of same reference numeral expression and part, wherein：Wherein 1- gauges detection plate,
2- industrial personal computers operating platform, 3- connecting brackets, 4- engineering trucks, 5- installation frames, 6- extending transverselies mechanism, 7- rotary angle transmitters；
61- motors, 62- screw rods, 63- reduction gearing, 64- leading screws.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below that
Not forming conflict between this can be mutually combined.
Whether train rail gauge value is accurate during detection, influences whether safety during follow-up train driving.Straight-line travelling
When, train gauge widens linear change, can be according to《Metro design code》(GB50157-2013) 5.4.1 bars provide, Gui Hang areas
There should be the safety clearance not less than 50mm between equipment and facilities clearance, gauge additionally adds on the basis of train normal device gauge
Wide 50mm.Meanwhile because engineering truck used in when gauge detects and subway train are variant in wheelbase, spacing etc., and
Gauge detection unit is installed on engineering truck headstock, therefore to achieve the purpose that to simulate subway train gauge completely, further according to specific
The parameters such as engineering truck spacing, wheelbase and subway train Widening are selected to convert the due Widening of gauge detection unit.
The selection of curve gauge detection Widening is extremely complex, and the gauge of particularly superrelation on curve section is widened, actually detected
When, gauge detection plate Widening needs to carry out fine calculating, can specifically be divided into four parts：1. Plane Curved built-in unit limits
Widen caused by the geometrical offset amount on boundary；2. vehicle gauge caused by crossing superelevation or deficient superelevation is widened；3. orbit parameter and vehicle
Car body caused by Parameters variation and bogie gauge are widened；4. the Widening caused by track superelevation causes car body to rotate.
1. the geometrical offset amount of facilities clearance calculates on plane curve:
1. on circular curve
Car body：
Bogie：Tab=m (m+a)/2R
Tbi=a2/8R
TaWidening, T on the outside of-car body curvei- car body the inner side of curve Widening, TbaWidening on the outside of-bogie curve,
Tbi- bogie the inner side of curve Widening, l0- by the length of calculating vehicle, li- length between truck centers, a- bogie fixed wheelbases, R- are put down
Surface curve radius, m- calculate section to adjacent wheelbase from.
2. on easement curve
Inner side Widening：
Outside widening amount：
It see the table below 2. gauge caused by crossing superelevation or deficient superelevation is widened, it can be seen that gauge when there is superelevation or deficient superelevation
The calculating widened is sufficiently complex；
Table D.0.2-3 cross superelevation or deficient superelevation caused by vehicle gauge widen or the amount of increasing
3. widen caused by orbit parameter and vehicle parameter
On the outside of curve：△Yci=3+300/R+ △de+△w+△q(ballast track bed)
△Ycl=1000/R+3+300/R+ △de+△w+△q(ballastless track bed)
On the outside of curve：△Yci=300/R+ △de+△w+△q
△Ycl=1000/R+300/R+ △de+△w+△q
4. the Widening caused by track superelevation causes car body to rotate, can be calculated using trigonometric function formula.
To sum up, the calculating of curved section Widening in being detected for gauge.According to the road conditions of track circuit and vehicle
Difference, computational methods and structure differ, therefore simply set a certain amount of widen to be detected there are large error, such as
Fruit want to obtain the higher Widening of accurate rate adjust manually it is very cumbersome.
The present invention provides a kind of subway train Clearance Detection, gauge can be examined according to different road conditions and vehicle model
The Widening for surveying device is accurately adjusted, and makes the detection of train gauge more accurate.Fig. 1 is a kind of subway row of the embodiment of the present invention
The side view of car Clearance Detection.Fig. 2 is a kind of top view of subway train Clearance Detection of the embodiment of the present invention.Such as figure
Shown in 1 and Fig. 2, subway train Clearance Detection includes gauge detection unit, engineering truck 4, industrial personal computer operating platform 2 and connection
Stent 3, gauge detection unit are arranged on the headstock front end of engineering truck 4, and are attached by connecting bracket 3, in the engineering truck 4
Equipped with industrial personal computer operating platform 2, information mutual communication between industrial personal computer operating platform 2 and gauge detection unit, gauge detection unit can
To detect the situation in sense, and the status information is sent to industrial personal computer operating platform 2, industrial personal computer operating platform
The parameters such as all fronts line map, point of tangent to spiral, point of spiral to curve mileage are stored with 2, with reference to the integration to the engineering truck speed of service and time
So as to fulfill the record to clearance car distance travelled, according to engineering truck distance travelled and system neutral road point of tangent to spiral, slow circle
Point is compared, and determines the location of engineering truck, and industrial personal computer operating platform transfers corresponding information according to present position, including
The curvature and superelevation value of curve track, so that it is determined that gauge detection unit needs the amount widened.
Fig. 3 is gauge detection unit structure diagram of the embodiment of the present invention.Fig. 4 is gauge detection unit of the embodiment of the present invention
Middle extending transversely mechanism structure schematic diagram.Wherein gauge detection unit includes facilities clearance detection device and vehicle gauge detection dress
Put, facilities clearance detection device and vehicle gauge detection device one in front and one in back be arranged on engineering truck front end, facilities clearance detection dress
Put, the facilities clearance that the initial position of vehicle gauge detection device is respectively used under simulation true train linear state and vehicle limit
Boundary, wherein facilities clearance detection device are mainly used for the inspection in section and switch area, vehicle gauge detection device is mainly used for car
The checking of clearance of platform side in standing.
Vehicle gauge detection device includes two identical gauge detection structures of symmetrically arranged structure, two gauge detection structures
Include gauge detection plate 1, installation frame 5 and rotary angle transmitter 7, installation frame 5 is by the symmetrical inverted L shape steel construction in both sides
The skeleton of composition, is connected for the positioning of gauge detection plate 1 and the installation between engineering truck；Set between two gauge detection structures
There is extending transversely mechanism 6, extending transversely mechanism 6 is fixedly connected with installation frame 5；The extending transversely mechanism 6 is symmetrical structure, horizontal
Include motor 61, reduction gearing 63, screw rod 62 and leading screw 64, and motor 61, reduction gearing 63,62 and of screw rod to extension means 6
Leading screw 64 is symmetrically arranged with two, be respectively used to control both sides installation frame 5 it is flexible, motor 61 connects with reduction gearing 63
Connect, reduction gearing 63 controls leading screw 64 and screw rod 62, so as to adjust the flexible length of both sides symmetric transverse extension means 6；Installation
The outside of frame 5 is arranged in order equipped with some rotary angle transmitters 7, once the 7 gauge detection plate of rotary angle transmitter encounters barrier, i.e.,
It can deflect and sound-light alarm information is sent in clearance car, while be recorded and invaded automatically according to detection plate deflection angle
The size of limit and the position for invading limit, realize the gauge detection of full-automation.The outside of rotary angle transmitter 7 is equipped with gauge detection plate 1, and
Industrial personal computer operating platform 2 is by controlling motor 61, to realize that the span of screw rod 62 controls, because of 62 pitch of leading screw and reduction gearing
63 speed reducing ratio are set-point, therefore counting is carried out to given 61 turnning circle of motor can draw both sides gauge detection plate framework
Outreach, so as to accurately control the span of two gauge detection structures of vehicle gauge detection device.
Facilities clearance detection device is different with the outer contour of the structure only gauge detection plate 1 of vehicle gauge detection device, its
His structure is identical, the two is respectively used to the gauge detection under different scenes.Since facilities clearance detection device and vehicle limit
Boundary's detection device is symmetrical structure, and can control both sides gauge respectively by the effect of motor 61 and screw 64 and screw rod 62
Detection structure is stretched, therefore can realize that side is stretched for facilities clearance detection plate, and opposite side is stretched for vehicle gauge detection plate
Exhibition, so as to fulfill platform side in the detection station of side, opposite side detects the function of non-platform side in station, by shrinking and stretching
The facilities clearance detection device and vehicle gauge detection device of both sides can realize that vehicle gauge detects flexible under different scenes
Switching.
Vertical extension means are equipped with facilities clearance detection device and vehicle gauge detection device, the vertical extension means
Set perpendicular to track, which also includes motor, reduction gearing, screw rod and screw, and motor, reduction gearing,
Connection mode between screw rod and screw is identical with extending transversely mechanism, and the setting of the vertical extension means is limited for adjustment equipment
Boundary's detection device and vehicle gauge detection device it is vertical on height, prevent gauge detect in false alarm occurs.
The lateral profile design of the gauge detection plate 1 of facilities clearance detection device and vehicle gauge detection device is different, ginseng
See Fig. 6 and Fig. 8, vehicle gauge detection device is extended out according to vehicle's contour.Fig. 7 is underground of embodiment of the present invention straightway car
Gauge vehicle width design diagram.As shown in fig. 7, the width tune of station limit detection plate 1 from bottom to up in the case of straight line
Whole situation is：According to《Metro design code》(GB50157-2013) 5.3.8 Article 2 provides, platform edge and vehicle wheel profile
Between gap when vehicle uses stopping sliding door for 100mm；Article 3 provides, when station setting gate, gate slides
Door body is 130mm apart from vehicle wheel profile spacing, and distance is not less than 25mm, as excellent between platform header case and vehicle gauge
Choosing, gauge of standing detection plate 1, which is located at below platform floor 1050mm height, is set to 1495mm, and 1050mm-1090mm gauges detection plate 1 is taken turns
100mm is put outside wide, 130,2200mm is put outside 1 profile of 1090mm-2200mm gauges detection plate to be put outside 1 profile of upper control limit detection plate
30mm.Structure according to being put outside different height obtains the profile of vehicle gauge, and vehicle gauge detection plate is according to foreign side's situation system
Form, so as to obtain structure as shown in Figure 8.
Preferably, inputting the Widening of the relevant position of data parameters control in industry control operating platform 2, Fig. 5 is
A kind of subway train Clearance Detection based on Computer Control Technology of the embodiment of the present invention widens method schematic diagram.Such as Fig. 7
Shown, it is to extend from circular curve to easement curve midpoint to rectilinear direction in the range of 10m that method is widened in the detection of this gauge, using circle
Widening on Curve, increase value；Remaining easement curve and slow straight (straight slow) are put on the outside of rectilinear direction the inner side of curve extension 13m, curve
Widen, increase the half of value in the range of extension 16m using circular curve.13m is (interior before system detectio to engineering truck enters ZH points
Side) or during 16m (outside), industrial personal computer is according to giving the size of radius Widening under specific mileage to being installed on gauge detection block
Motor on frame sends signal, and driving motor, which rotates, drives leading screw so as to release gauge detection framework, carries out easement curve and song
The gauge detection in line location；As 13m (inner side) after entering next HZ points or 16m (outside), then detection is automatically retracted
Plate, returns to straight-line device gauge operating mode.By on-the-spot test, in the case of maximum Widening, gauge detection plate is from straight line
The time that operating mode is unfolded and is withdrawn can control 4s, each precision of expansion to control within 2mm, substantially increase gauge
The efficiency and accuracy of detection.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of subway train Clearance Detection, including engineering truck (4), it is characterised in that limit is equipped with before the engineering truck (4)
Boundary's detection unit, the engineering truck (4) is interior to be equipped with industrial personal computer operating platform (2)；
The gauge detection unit includes vehicle gauge detection device and facilities clearance detection device, the vehicle gauge detection dress
Put includes symmetrically arranged two gauges detection structure with facilities clearance detection device, between two gauge detection structures described in each pair
Extending transversely mechanism (6) is equipped with, for adjusting the span of corresponding two gauges detection structure respectively, to adapt to varying environment
Under gauge detection；
Rotary angle transmitter (7), the rotation angular sensing are equipped with the vehicle gauge detection device and facilities clearance detection device
It is equipped with gauge detection plate (1) on the outside of device (7), the gauge detection plate (1) is sensing barrier and its positional information, the corner
Sensor (7) is connected with the industrial personal computer operating platform (2), which can be according to the rotary angle transmitter
(7) feedack controls extending transversely mechanism (6) action, and then controls the stretching, extension of corresponding each gauge detection structure
Amount, to realize that the gauge of different curvature and superelevation detects.
A kind of 2. subway train Clearance Detection according to claim 1, it is characterised in that the extending transversely mechanism
(6) motor (61), reduction gearing (63) and screw rod (62) are included, the motor (61) is connected with the reduction gearing (63), institute
Reduction gearing (63) is stated to be connected with the screw rod (62).
3. a kind of subway train Clearance Detection according to claim 2, it is characterised in that the motor (61), subtract
Fast gear (63) and screw rod (62) are two, and are respectively symmetrically arranged on the both sides of the extending transversely mechanism (6).
A kind of 4. subway train Clearance Detection according to Claims 2 or 3, it is characterised in that the motor (61)
Realize and be electrically connected with industrial personal computer operating platform (2).
A kind of 5. subway train Clearance Detection according to claim 1, it is characterised in that the vehicle gauge detection
Device and facilities clearance detection device further include vertical extension means, and the vertical extension means are set perpendicular to track.
A kind of 6. subway train Clearance Detection according to claim 1, it is characterised in that the gauge detection unit
Installation frame (5) is further included, the rotary angle transmitter (7) is several, and is evenly distributed on the installation frame (5).
A kind of 7. subway train Clearance Detection according to claim 1, it is characterised in that the rotary angle transmitter
(7) positional information sensed and the historical storage data match of the industrial personal computer operating platform (2), for transferring residing position
The curvature of curve and superelevation value parameter put, to obtain accurate span.
8. a kind of subway train Clearance Detection according to claim 1, it is characterised in that in the engineering truck (4)
Equipped with sound-light alarm equipment, the sound-light alarm equipment is connected with the industrial personal computer operating platform (2).
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| CN201711322103.XA CN107901946A (en) | 2017-12-12 | 2017-12-12 | A kind of subway train Clearance Detection |
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| CN201711322103.XA CN107901946A (en) | 2017-12-12 | 2017-12-12 | A kind of subway train Clearance Detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532937A (en) * | 2018-11-14 | 2019-03-29 | 成都天佑路航轨道交通科技有限公司 | A kind of vehicle-mounted Metro Clearance detection method and its detection system |
| CN113722812A (en) * | 2021-07-16 | 2021-11-30 | 华东交通大学 | Calculation method for widening subway circle slow section |
| CN117842622A (en) * | 2024-01-18 | 2024-04-09 | 徐州奔蓝机械科技有限公司 | Remote control inspection robot for mining rubber belt conveyor |
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