CN207657834U - A kind of subway train Clearance Detection - Google Patents
A kind of subway train Clearance Detection Download PDFInfo
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- CN207657834U CN207657834U CN201721724662.9U CN201721724662U CN207657834U CN 207657834 U CN207657834 U CN 207657834U CN 201721724662 U CN201721724662 U CN 201721724662U CN 207657834 U CN207657834 U CN 207657834U
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- clearance
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Abstract
The utility model discloses a kind of subway train Clearance Detections, including engineering truck (4), limit detection unit is equipped with before the engineering truck (4), industrial personal computer operating platform (2) is equipped in the engineering truck (4), the limit 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 limits detection structure, it is equipped with extending transversely mechanism (6) between each pair of two limits detection structure, rotary angle transmitter (7) is equipped in the vehicle gauge detection device and facilities clearance detection device, limit detection plate (1) is equipped on the outside of the rotary angle transmitter (7), the rotary angle transmitter (7) connect with the industrial personal computer operating platform (2).The utility model subway train Clearance Detection, control limit detection unit stretch automatically according to circuit key point position.
Description
Technical field
The utility model belongs to Subway Tunnel holing through survey and subway tunnel, ground, overhead section limit detection technique neck
Domain, more particularly, to a kind of subway train Clearance Detection.
Background technology
In order to ensure operational safety of the subway train on subway line, prevent train hit adjacent lines building and
Equipment, and the overall size line for not allowing to surmount of the building, equipment defined to train and close to circuit, referred to as limit.
《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 installed in the areas Gui Hang and pipeline and facilities clearance
Hold the safety clearance not less than 50mm.Therefore the accuracy that Metro Clearance measures is particularly significant, is directly related to subway train fortune
Capable safety.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
The position of (invading limit) is to ensure safety that the subsequently hot and cold cunning of electric car and circuit are formally runed.
Limit detection in the country's is generally completed using manpower mode at present, i.e., is detected by making the limit that one can stretch
Frame is fixed on flat car, and limit detection is carried out to all fronts section using manual hand mode.Its shortcoming is that：First, logical
When crossing curve or track switch, limit detection framework needs to manually adjust detection for different sweeps and superelevation using manpower mode
Frame Widening, due to not co-orbital sweep and superelevation difference, the Widening of vehicle gauge is entirely different, the detection side
Method can not simulate the limit of vehicle under actual working environment；Second is that when practical subway train is by curve or track switch, inside and outside
The Widening of side continuously enlarges, and hand-rail type frame cannot achieve automatic continuous stretching, extension, this greatly reduces limit
The precision of detection and accuracy；Third, when detect invade point of accumulation when, need testing staff manually to record, cause efficiency low
Under.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the utility model provides one kind and can be applied to subway, high speed
The Clearance Detection of the various types railway traffic engineering such as railway, inter-city passenger rail, single track, tramcar, by by all fronts line
The key parameters such as Lu Tu, point of tangent to spiral, point of spiral to curve mileage input industrial personal computer operating platform, in conjunction with to the engineering truck speed of service and time
Integral to realize to the record of clearance car mileage travelled, directly delayed according to engineering truck distance travelled and circuit in system
Point, point of spiral to curve are compared automatically controls limit detection framework linear stretch by industrial personal computer operating platform, and realization makes limit detect
Frame can automatically be stretched according to circuit key point position；Rotary angle transmitter is housed in the root of limit detection plate, once limit
Detection plate encounters barrier, i.e., can deflect and send out sound-light alarm information in clearance car, while according to detection plate
Deflection angle, which automatically records down, invades limit size and invades extreme position mileage, realizes full-automatic limit detection.
To achieve the goals above, the utility model provides a kind of subway train Clearance Detection, including engineering truck, institute
It is equipped with limit detection unit before stating engineering truck, industrial personal computer operating platform is equipped in the engineering truck；
The limit detection unit includes vehicle gauge detection device and facilities clearance detection device, the vehicle gauge inspection
It includes symmetrically arranged two limits detection structure, each pair of two limits detection structure to survey device and facilities clearance detection device
Between be equipped with extending transversely mechanism, the span for adjusting corresponding two limits detection structure respectively, to adapt to different rings
Limit detection under border；
Rotary angle transmitter, the rotation angular sensing are equipped in the vehicle gauge detection device and facilities clearance detection device
Be equipped with limit detection plate on the outside of device, the limit detection plate to incude barrier and its location information, the rotary angle transmitter with
The industrial personal computer operating platform connection, the industrial personal computer operating platform can be according to described in rotary angle transmitter feedack controls
Extending transversely mechanism action, and then control the span of corresponding each limit detection structure, to realize different curvature and superelevation
Limit 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 connect with the screw rod.
Further, the motor, reduction gearing and screw rod are two, and are respectively symmetrically set to the extending transversely machine
The both sides of structure.
Further, the motor is electrically connected with the realization of industrial personal computer operating platform.
Further, the vehicle gauge detection device and facilities clearance detection device further include vertical extension means,
The vertical extension means are arranged perpendicular to track.
Further, the limit detection unit further includes installation frame, and the rotary angle transmitter is several, and uniformly
It is distributed on the installation frame.
Further, the historical storage of the rotary angle transmitter senses location information and the industrial personal computer operating platform
Data match, the curvature of curve for transferring present position and superelevation value parameter, to obtain accurate span.
Further, sound-light alarm equipment is equipped in the engineering truck, the sound-light alarm equipment is grasped with the industrial personal computer
Make platform connection.
In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art,
Row advantageous effect：
(1) the utility model subway train Clearance Detection, vehicle gauge detection device and facilities clearance detection device
Include symmetrically arranged two limits detection structure, and be equipped with transversal stretching mechanism between two limit detection structures, which stretches
The equipment such as two sets of symmetrically arranged motors, screw rods including in contracting mechanism, for controlling symmetrically arranged two limits detection respectively
The span of structure, to adapt to section, in switch area and station the tracks scene such as platform detection.
(2) the utility model subway train Clearance Detection is stored in circuit position everywhere in industrial personal computer operating platform
The case where setting, including the curvature of curve track and superelevation value, in conjunction with the integral to the engineering truck speed of service and time to realize
To the record of clearance car mileage travelled, the induction in combination with rotary angle transmitter obtains location information, is operated with industrial personal computer
The data match stored in platform extracts accurate span information, to be precisely controlled vehicle gauge detection device and
The span of assembly detection apparatus simulates the environment that train really travels, ensures the accuracy of detection completely.
(3) the utility model subway train Clearance Detection, the root of limit detection plate be equipped with rotary angle transmitter, one
Denier limit detection plate encounters barrier, i.e., can deflect and send out sound-light alarm information, while basis in clearance car
Detection plate deflection angle, which automatically records down, invades extreme position, realizes full-automatic limit detection, improves limit detection efficiency, drop
Low labor intensity.
Description of the drawings
Fig. 1 is a kind of side view of subway train Clearance Detection of the utility model embodiment；
Fig. 2 is a kind of vertical view of subway train Clearance Detection of the utility model embodiment；
Fig. 3 is the utility model embodiment limit detection unit structural schematic diagram；
Fig. 4 is extending transversely mechanism structure schematic diagram in the utility model embodiment limit detection unit；
Fig. 5 is that a kind of subway train Clearance Detection of the utility model embodiment widens method schematic diagram；
Fig. 6 is the utility model embodiment underground straightway facilities clearance structural schematic diagram；
Fig. 7 is the utility model embodiment underground straightway vehicle gauge vehicle width design diagram；
Fig. 8 is the utility model embodiment underground straightway vehicle gauge structural schematic diagram.
In all attached drawings, the same reference numeral indicates identical structure and part, wherein：Wherein 1- limits 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.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.In addition, involved in the various embodiments of the present invention described below
And to technical characteristic can be combined with each other as long as they do not conflict with each other.
Whether train rail limit value is accurate when detection, influences whether safety when follow-up train driving.Straight-line travelling
When, train limit widens linear change, can be according to《Metro design code》(GB50157-2013) 5.4.1 items provide, the areas Gui Hang
Should there are the safety clearance not less than 50mm, limit additionally to add on the basis of train normal device limit between equipment and facilities clearance
Wide 50mm.Meanwhile because engineering truck used in when limit detects and subway train are variant in wheelbase, spacing etc., and
Limit detection unit is installed on engineering truck headstock, therefore to achieve the purpose that simulate subway train limit 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 limit detection unit.
The selection that curve limit detects Widening is extremely complex, and the limit of especially superrelation on curve section is widened, actually detected
When, limit 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 is widened caused by crossing superelevation or deficient superelevation；3. orbit parameter and vehicle
Car body caused by Parameters variation and bogie limit are widened；4. Widening caused by causing car body to rotate due to track superelevation.
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 curveiCar body the inner side of curve Widening, TbaWidening on the outside of bogie curve,
TbiBogie the inner side of curve Widening, l0By the length of calculating vehicle, liLength between truck centers, a- bogie fixed wheelbases, R- are flat
Surface curve radius, m- calculate section to adjacent wheelbase from.
2. on easement curve
Inside Widening：
Outside widening amount：
It see the table below 2. crossing limit caused by superelevation or deficient superelevation and widening, it can be seen that limit when there is superelevation or deficient superelevation
The calculating widened is sufficiently complex；
D.0.2-3, table is crossed vehicle gauge caused by superelevation or deficient superelevation and is widened or the amount of increasing
3. widening 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. Widening caused by causing car body to rotate due to track superelevation, can be calculated using trigonometric function formula.
To sum up, the calculating of curved section Widening in being detected for limit.According to the road conditions of track circuit and vehicle
Difference, computational methods and structure are all different, therefore a certain amount of widen simply is arranged and is detected that there are large errors, such as
Fruit want to obtain the higher Widening of accurate rate adjust manually it is very complicated.
The utility model provides a kind of subway train Clearance Detection, can be according to different road conditions and vehicle model to limit
The Widening of boundary's detection device is accurately adjusted, and keeps the detection of train limit more accurate.Fig. 1 is the utility model embodiment one
The side view of kind subway train Clearance Detection.Fig. 2 is a kind of subway train Clearance Detection of the utility model embodiment
Vertical view.As depicted in figs. 1 and 2, subway train Clearance Detection includes limit detection unit, engineering truck 4, industrial personal computer behaviour
Make platform 2 and connecting bracket 3, limit detection unit is set to the headstock front end of engineering truck 4, and is attached by connecting bracket 3,
Industrial personal computer operating platform 2, information mutual communication between industrial personal computer operating platform 2 and limit detection unit, limit are equipped in the engineering truck 4
Boundary's detection unit can detect the situation in sense, and the status information is sent to industrial personal computer operating platform 2, work
The parameters such as all fronts line map, point of tangent to spiral, point of spiral to curve mileage are stored in control machine operating platform 2, in conjunction with to the engineering truck speed of service
Integral with the time is to realize the record to clearance car mileage travelled, according to circuit in engineering truck distance travelled and system
Point of tangent to spiral, point of spiral to curve are compared, and determine that the location of engineering truck, industrial personal computer operating platform are transferred accordingly according to present position
Information, including the curvature of curve track and superelevation value, so that it is determined that limit detection unit needs the amount widened.
Fig. 3 is the utility model embodiment limit detection unit structural schematic diagram.Fig. 4 is the utility model embodiment limit
Extending transversely mechanism structure schematic diagram in detection unit.Wherein limit detection unit includes facilities clearance detection device and vehicle limit
Boundary's detection device, facilities clearance detection device and vehicle gauge detection device one in front and one in back be set to engineering truck front end, equipment limit
Boundary's detection device, vehicle gauge detection device initial position be respectively used to simulation true train linear state under facilities clearance
With vehicle gauge, wherein facilities clearance detection device is mainly used for the inspection in section and switch area, vehicle gauge detection device master
It is used for the checking of clearance of platform side in station.
Vehicle gauge detection device includes the identical two limits detection structure of symmetrically arranged structure, two limit detection structures
Include limit 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, the positioning for limit detection plate 1 and the installation between engineering truck are connect；It is set between two limit detection structures
There are extending transversely mechanism 6, extending transversely mechanism 6 to be 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
There are two leading screw 64 is symmetrical arranged, it is respectively used to the flexible of the installation frame 5 of control both sides, motor 61 connects with reduction gearing 63
It connects, reduction gearing 63 controls leading screw 64 and screw rod 62, to adjust the flexible length of both sides symmetric transverse extension means 6；Installation
5 outside of frame is arranged in order equipped with several rotary angle transmitters 7, once the 7 limit detection plate of rotary angle transmitter encounters barrier, i.e.,
It can deflect and send out sound-light alarm information in clearance car, while be automatically recorded down and being invaded according to detection plate deflection angle
Full-automatic limit detection is realized in the size of limit and the position for invading limit.7 outside of rotary angle transmitter is equipped with limit 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 screw pitch of leading screw and reduction gearing
63 reduction ratio are given value, therefore are counted to given 61 turnning circle of motor and can obtain both sides limit detection plate framework
Outreach, to accurately control vehicle gauge detection device two limit detection structures span.
Facilities clearance detection device is different with the outer profile of the structure only limit detection plate 1 of vehicle gauge detection device,
His structure is identical, and the two is respectively used to the detection of the limit under different scenes.Since facilities clearance detection device and vehicle limit
Boundary's detection device is symmetrical structure, and can control both sides limit respectively by the effect of motor 61 and lead screw 64 and screw rod 62
Detection structure is stretched, therefore side may be implemented and stretched for facilities clearance detection plate, and the other side is that vehicle gauge detection plate is stretched
Exhibition, to realize platform side in the detection station of side, the function of non-platform side in station is detected in the other side, by shrinking and stretching
The facilities clearance detection device and vehicle gauge detection device of both sides may be implemented vehicle gauge under different scenes detect it is flexible
Switching.
Vertical extension means are equipped in facilities clearance detection device and vehicle gauge detection device, the vertical extension means
Perpendicular to track be arranged, the vertical extension means also include motor, reduction gearing, screw rod and lead screw, and motor, reduction gearing,
Connection type between screw rod and lead screw is identical as 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 limit detect in false alarm occurs.
The lateral profile design of the limit detection plate 1 of facilities clearance detection device and vehicle gauge detection device is different, ginseng
See that Fig. 6 and Fig. 8, vehicle gauge detection device are extended out according to vehicle's contour.Fig. 7 is the utility model embodiment underground straight line
Section vehicle gauge vehicle width design diagram.As shown in fig. 7, the width of station limit detection plate 1 from bottom to up in the case of straight line
Degree adjusts situation：According to《Metro design code》(GB50157-2013) 5.3.8 Article 2 provides, platform edge and vehicle wheel
Gap between profile is when vehicle uses stopping sliding door for 100mm；Article 3 provides, when station setting gate, gate
It is 130mm that door body, which is slided, apart from vehicle wheel profile spacing, and distance is to make not less than 25mm between platform header case and vehicle gauge
It is preferred, limit of standing detection plate 1 is located at platform floor 1050mm height or less and is set as 1495mm, the detection of 1050mm-1090mm limits
100mm is put outside 1 profile of plate, and 130,2200mm is put outside 1 profile of 1090mm-2200mm limits detection plate and is taken turns with upper control limit detection plate 1
30mm is put outside wide.The profile of vehicle gauge is obtained according to the structure put outside different height, vehicle gauge detection plate is according to the foreign side
Situation is made, to obtain structure as shown in Figure 8.
Preferably, inputting the Widening of the corresponding 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 utility model embodiment widens method schematic diagram.Such as
Shown in Fig. 7, it is to extend within the scope of 10m from circular curve to easement curve midpoint to rectilinear direction that method is widened in the detection of this limit, is adopted
Widened with circular curve, increase value；Remaining easement curve and slow straight (straight slow) put to rectilinear direction the inner side of curve extend 13m, curve
Outside extends the half for being widened, being increased value within the scope of 16m using circular curve.Before system detectio to engineering truck enters ZH points
13m (inside) or when (outside) 16m, industrial personal computer are according to giving the size of radius Widening under specific mileage to being mounted on limit
Motor in detection framework sends out signal, and driving motor rotation drives leading screw to release limit detection framework, mitigate bent
The limit of line and 3 in Curve Segment detects；The 13m (inside) or when (outside) 16m after entering next HZ points, then it is automatic to receive
Detection plate is returned, straight-line device limit operating mode is restored to.Pass through on-the-spot test, in the case of maximum Widening, limit detection plate
The time be unfolded from straight line operating mode and withdrawn can control to 4s, each precision of expansion and can control within 2mm, greatly improve
The efficiency and accuracy of limit detection.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
For limiting the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of subway train Clearance Detection, including engineering truck (4), which is characterized in that be equipped with limit 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 limit detection unit includes vehicle gauge detection device and facilities clearance detection device, the vehicle gauge detection dress
It includes symmetrically arranged two limits detection structure to set with facilities clearance detection device, between each pair of two limits detection structure
It is equipped with extending transversely mechanism (6), the span for adjusting corresponding two limits detection structure respectively, to adapt to varying environment
Under limit detection；
Rotary angle transmitter (7), the rotation angular sensing are equipped in the vehicle gauge detection device and facilities clearance detection device
It is equipped with limit detection plate (1) on the outside of device (7), the limit detection plate (1) is incuding barrier and its location information, the corner
Sensor (7) is connect 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 limit detection structure
Amount, to realize that the limit of different curvature and superelevation detects.
2. a kind of subway train Clearance Detection according to claim 1, which is characterized in that the extending transversely mechanism
(6) include motor (61), reduction gearing (63) and screw rod (62), the motor (61) connect with the reduction gearing (63), institute
Reduction gearing (63) is stated to connect with the screw rod (62).
3. a kind of subway train Clearance Detection according to claim 2, which is characterized in that the motor (61) subtracts
Fast gear (63) and screw rod (62) are two, and are respectively symmetrically set to the both sides of the extending transversely mechanism (6).
4. a kind of subway train Clearance Detection according to claim 2 or 3, which is characterized in that the motor (61)
It is electrically connected with industrial personal computer operating platform (2) realization.
5. a kind of subway train Clearance Detection according to claim 1, which is characterized in that the vehicle gauge detection
Device and facilities clearance detection device further include vertical extension means, and the vertical extension means are arranged perpendicular to track.
6. a kind of subway train Clearance Detection according to claim 1, which is characterized in that the limit detection unit
Further include installation frame (5), the rotary angle transmitter (7) is several, and is evenly distributed on the installation frame (5).
7. a kind of subway train Clearance Detection according to claim 1, which is characterized in that the rotary angle transmitter
(7) the historical storage data match of the location information and the industrial personal computer operating platform (2) that sense, for transferring residing position
The curvature of curve and superelevation value parameter set, to obtain accurate span.
8. a kind of subway train Clearance Detection according to claim 1, which is characterized in that in the engineering truck (4)
Equipped with sound-light alarm equipment, the sound-light alarm equipment is connect with the industrial personal computer operating platform (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721724662.9U CN207657834U (en) | 2017-12-12 | 2017-12-12 | A kind of subway train Clearance Detection |
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| CN201721724662.9U CN207657834U (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 |
|---|---|---|---|---|
| CN107901946A (en) * | 2017-12-12 | 2018-04-13 | 中铁第四勘察设计院集团有限公司 | A kind of subway train Clearance Detection |
| CN109835367A (en) * | 2019-02-28 | 2019-06-04 | 马鞍山蓝信环保科技有限公司 | A kind of limit detection device applied to rail traffic |
| CN111062273A (en) * | 2019-12-02 | 2020-04-24 | 青岛联合创智科技有限公司 | Tracing detection and alarm method for left-over articles |
-
2017
- 2017-12-12 CN CN201721724662.9U patent/CN207657834U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107901946A (en) * | 2017-12-12 | 2018-04-13 | 中铁第四勘察设计院集团有限公司 | A kind of subway train Clearance Detection |
| CN109835367A (en) * | 2019-02-28 | 2019-06-04 | 马鞍山蓝信环保科技有限公司 | A kind of limit detection device applied to rail traffic |
| CN111062273A (en) * | 2019-12-02 | 2020-04-24 | 青岛联合创智科技有限公司 | Tracing detection and alarm method for left-over articles |
| CN111062273B (en) * | 2019-12-02 | 2023-06-06 | 青岛联合创智科技有限公司 | Method for tracing, detecting and alarming remaining articles |
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