CN109131429A - High-speed magnetic suspension track irregularity detection test device - Google Patents

High-speed magnetic suspension track irregularity detection test device Download PDF

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Publication number
CN109131429A
CN109131429A CN201811128772.8A CN201811128772A CN109131429A CN 109131429 A CN109131429 A CN 109131429A CN 201811128772 A CN201811128772 A CN 201811128772A CN 109131429 A CN109131429 A CN 109131429A
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CN
China
Prior art keywords
support arm
carrying platform
magnetic levitation
magnetic suspension
levitation track
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201811128772.8A
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Chinese (zh)
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CN109131429B (en
Inventor
吴峻
洪小波
李洪鲁
唐训发
李中秀
王湘
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National University of Defense Technology
CRRC Qingdao Sifang Co Ltd
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National University of Defense Technology
CRRC Qingdao Sifang Co Ltd
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Priority to CN201811128772.8A priority Critical patent/CN109131429B/en
Publication of CN109131429A publication Critical patent/CN109131429A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00Railway 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
    • B61K9/02Profile gauges, e.g. loading gauges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00Railway 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
    • B61K9/08Measuring installations for surveying permanent way

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)

Abstract

The utility model provides a high-speed magnetic levitation track irregularity detection test device, includes the frame, the frame is including carrying on platform, support arm and universal wheel support frame, universal wheel support frame fixed mounting has two sets of universal wheels in the upper end of support arm, and bilateral symmetry distributes on the universal wheel support frame, carrying on platform fixed mounting installs a plurality of sensors at the lower extreme of support arm on carrying on the platform, and a plurality of sensors include vertical laser rangefinder sensor and accelerometer, and carrying on platform and universal wheel support frame all set up the homonymy at the support arm, be provided with horizontal laser rangefinder sensor on the support arm. The invention has a carrying platform, can provide a stable carrying and mounting plane for each measuring sensor, can simulate different suspension clearance conditions, can also roll and move on a high-speed magnetic suspension track to detect the long stator surface of the track, and retains the information of the information removing groove of the stator surface teeth according to the acquired data information of the stator surface.

Description

High-speed magnetic suspension rails irregularity detects experimental rig
Technical field
The present invention relates to a kind of high-speed magnetic suspension rails irregularities to detect experimental rig, more particularly, to being mounted in high-speed magnetic floating The device that a kind of pair of vertical irregularity of high-speed magnetic floating long stator track on train is detected.
Background technique
High-speed maglev train is as a kind of novel ground traffic tools, compared with other track vehicles, has only Characteristic, it is suspended on track and runs, and with track without Mechanical Contact, keeps stable gap with track when operation.Track State quality will have a direct impact on smoothness, safety and the comfort level of train operation.
High-speed magnetic suspension rails are actually a kind of long stator of linear synchronous motor, with teeth and slot knot arranged at equal interval Structure, cable are embedded in the slot of long stator track, and the signal that gap sensor detects in actual operation has " tooth socket effect It answers ".Track can aggravate this phenomenon when there is irregularity, influence the safe operation of magnetic-levitation train.
There are detection cycle length, a large amount of human and material resources of consuming, night detection data matter for the mode of manual measurement at present The problems such as amount is unable to get guarantee.Inspection car based on support wheel construction can realize that function is more, but detect speed lower than high speed Magnetic-levitation train normally travel speed, complete vehicle structure are complicated, cost is higher.
Therefore, a kind of suspension type rail line detection system as wheel track is designed to measure track relevant parameter Be it is necessary, proprietary independent track geometry measuring device is of great significance to the popularization and application of high-speed magnetic floating.
Summary of the invention
In view of the defects existing in the prior art, the present invention provides a kind of high-speed magnetic suspension rails irregularity detection experimental rig, The system is carrying type system.
To realize the above-mentioned technical purpose, the technical scheme is that
A kind of high-speed magnetic suspension rails irregularity detection experimental rig, including rack, the rack include carrying platform, support Arm and universal wheeling supporting frame, the universal wheeling supporting frame are fixedly mounted on the upper end of support arm, left and right on universal wheeling supporting frame Two groups of universal wheels are symmetrically distributed with, the carrying platform is fixedly mounted on the lower end of support arm, is equipped on carrying platform multiple For realizing the sensor of high-speed magnetic suspension rails irregularity detection, carrying platform and universal wheeling supporting frame are arranged at support arm It is ipsilateral.The multiple sensors installed on carrying platform include vertical laser range sensor and accelerometer.In addition, this hair Lateral laser range sensor is provided on support arm described in bright.
In the present invention: being provided with directive wheel on the outside of the universal wheeling supporting frame, the directive wheel is mounted on directive wheel peace It shelves, directive wheel mounting rack is mounted on universal wheeling supporting frame.When detection, the outside face paste of directive wheel and unilateral magnetic levitation track It closes, it is ensured that universal wheel can be slided along the length direction of unilateral magnetic levitation track.
When carrying out the detection of high-speed magnetic suspension rails irregularity, the rack load is described universal on unilateral magnetic levitation track Wheel is supported on the upper side of unilateral magnetic levitation track, and the support arm is located at the outside of unilateral magnetic levitation track, the carrying platform With the magnetic levitation track stator face face of unilateral magnetic levitation track;By driving universal wheel, make it along the length of unilateral magnetic levitation track Direction sliding, and then support arm and carrying platform is driven to move synchronously.Vertical laser ranging sensing on the carrying platform The vertical range of device real-time measurement vertical laser range sensor and magnetic levitation track stator face, the acceleration on the carrying platform Count the vertical acceleration of real-time measurement magnetic levitation track stator face.The transverse direction laser range sensor real-time measurement support arm and magnetic The lateral distance of floating track side surfaces.
In the present invention, one end of carrying platform is detachably fixed on support arm, and the carrying platform is in support arm Upper mounting height is adjustable.Specifically, can realize the adjusting of height using many modes.It is setting up and down more such as on support arm Group mounting hole, is fixed in corresponding installation hole location by way of being spirally connected between carrying platform and support arm, can also be passed through Screw screw rod is set on support arm, and one end of the carrying platform is fixed on screw screw rod, adjusts carrying platform in screw Carrying platform is fastened on support arm by the height and position on screw rod by screw.
In the present invention, universal wheeling supporting frame is one piece of mounting plate, has been left and right symmetrically arranged two groups of universal wheels on mounting plate, often Group universal wheel includes former and later two universal wheels.The support arm is fixed on the side medium position of universal wheeling supporting frame, guarantees Gravity balance.
In the present invention, lateral laser range sensor is arranged close to the position of support arm upper end, it is desirable that rack load exists When on unilateral magnetic levitation track, lateral laser range sensor is located at the side of magnetic levitation track, can be measured that support arm and magnetic are floating The lateral distance of track side surfaces.
Compared with prior art, the present invention can generate following technical effect:
The present invention has carrying platform, and stable carrying mounting plane can be provided for each measurement sensor, can be simulated Different levitation gap conditions can also roll movement on high-speed magnetic suspension rails, detect to track long stator face, and acquisition is fixed The data information of sub- face tooth and slot.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of unilateral magnetic levitation track (long stator track).
Fig. 2 is stator face tooth socket side view.
Fig. 3 is main view of the invention.
Fig. 4 is side view of the invention.
Fig. 5 is top view of the invention.
The structural schematic diagram of (the right unilateral magnetic levitation track of detection) when Fig. 6 is present invention detection.
Side schematic view when Fig. 7 is present invention detection.
The structural schematic diagram of (the left unilateral magnetic levitation track of detection) when Fig. 8 is present invention detection.
In figure:
1, carrying platform;2, support arm;3, universal wheeling supporting frame;4, universal wheel;5, vertical laser range sensor;6, add Speedometer;7, unilateral magnetic levitation track;8, magnetic levitation track stator face;9, lateral laser range sensor;10, screw screw rod;11, it leads To wheel;12, directive wheel mounting rack.
Specific embodiment
With reference to the accompanying drawing, embodiments of the present invention are described in further detail.
The present invention passes through vertical, lateral laser range sensor on mobile carrying platform, accelerometer etc., to track stator Face measures, and the data measured are transferred to PC machine, i.e., obtains track stator face tooth using existing data processing method Information.
It is the structural schematic diagram of unilateral magnetic levitation track (long stator track) referring to figs. 1 to Fig. 2, Fig. 1.Fig. 2 is stator face tooth Slot side view.High-speed magnetic suspension rails are actually a kind of long stator of linear synchronous motor, with teeth and slot knot arranged at equal interval Structure, cable are embedded in the slot of long stator track, and the signal that gap sensor detects in actual operation has " tooth socket effect It answers ".Track can aggravate this phenomenon when there is irregularity, influence the safe operation of magnetic-levitation train.
Referring to Fig. 3 to Fig. 8, the present invention provides a kind of high-speed magnetic suspension rails irregularity detection experimental rig, including rack, institute Stating rack includes carrying platform 1, support arm 2 and universal wheeling supporting frame 3, and the universal wheeling supporting frame 3 is fixedly mounted on support Two groups of universal wheels 4 are symmetrically distributed on universal wheeling supporting frame 3 in the upper end of arm 2.The carrying platform 1 is fixedly mounted on branch The lower end of brace 2 is equipped with vertical laser range sensor 5 and accelerometer 6 on carrying platform 1.Vertical laser ranging passes The vertical range (referring to Fig. 7) of the vertical laser range sensor 5 of 5 real-time measurement of sensor and magnetic levitation track stator face 8, the carrying The vertical acceleration of 6 real-time measurement magnetic levitation track stator face 8 of accelerometer on platform 1.Carrying platform 1 and universal wheel support Frame 3 is arranged at the ipsilateral of support arm 2, parallel opposite up and down.2 are provided with lateral laser range sensor 9 on the support arm. The lateral distance of transverse direction laser range sensor 9 the real-time measurement support arm and magnetic levitation track side.
Referring to Fig. 3,4,6,7 and 8, the outside of the universal wheeling supporting frame 3 is provided with directive wheel 11, and the directive wheel 11 is pacified On directive wheel mounting rack 12, directive wheel mounting rack 12 is mounted on universal wheeling supporting frame 3.When detection, directive wheel 11 and list The lateral surface of side magnetic levitation track 7 is bonded, and universal wheel 4 is slided along the length direction of unilateral magnetic levitation track 7.
When detection, on unilateral magnetic levitation track 7, the universal wheel 4 is supported on unilateral magnetic levitation track 7 for the rack load On upper side, directive wheel is bonded with the lateral surface of unilateral magnetic levitation track 7, enables universal wheel along unilateral magnetic levitation track 7 Length direction sliding.The support arm 2 is located at the outside of unilateral magnetic levitation track 7, the carrying platform 1 and unilateral magnetic levitation track 7 8 face of magnetic levitation track stator face;By driving universal wheel 4, slide it along the length direction of unilateral magnetic levitation track 7, into And support arm 2 and carrying platform 1 is driven to move synchronously.
In the present invention, one end of carrying platform 1 is detachably fixed on support arm 2, and the carrying platform 1 is supporting Mounting height is adjustable on arm 2.Specifically, can realize the adjusting of height using many modes.In the present embodiment: by propping up Screw screw rod 10 is set in brace 2, and one end of the carrying platform 1 is fixed on screw screw rod 10, adjusts carrying platform 1 in spiral shell Carrying platform 1, is fastened on support arm 2 by the height and position on silk screw rod 10 by screw.
Referring to Fig. 3, in the present invention, universal wheeling supporting frame 3 is one piece of mounting plate, and corresponding position, which offers, on mounting plate is used for The mounting hole of universal wheel 4 and directive wheel mounting rack is installed.It has been left and right symmetrically arranged two groups of universal wheels 4 on mounting plate, every group ten thousand It include former and later two universal wheels to wheel 4.The support arm 2 is fixed on the side medium position of universal wheeling supporting frame 3, guarantees weight Heart balance.
In the present invention, lateral laser range sensor 9 is arranged close to the position of 2 upper end of support arm, it is desirable that rack load When on unilateral magnetic levitation track 7, lateral laser range sensor 9 is located at the side of unilateral magnetic levitation track 7, can be measured that support The lateral distance of arm 2 and magnetic levitation track side.
The foregoing is merely a preferred embodiment of the present invention, are not intended to restrict the invention, for this field For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of high-speed magnetic suspension rails irregularity detects experimental rig, it is characterised in that: including rack, the rack includes carrying Platform, support arm and universal wheeling supporting frame, the universal wheeling supporting frame are fixedly mounted on the upper end of support arm, universal wheel support Two groups of universal wheels are symmetrically distributed on frame, the carrying platform is fixedly mounted on the lower end of support arm, pacifies on carrying platform Equipped with multiple sensors for realizing the detection of high-speed magnetic suspension rails irregularity, carrying platform and universal wheeling supporting frame are respectively provided with In the ipsilateral of support arm.
2. high-speed magnetic suspension rails irregularity according to claim 1 detects experimental rig, it is characterised in that: on carrying platform Multiple sensors of installation include vertical laser range sensor and accelerometer.
3. high-speed magnetic suspension rails irregularity according to claim 1 detects experimental rig, it is characterised in that: the support arm On be provided with lateral laser range sensor.
4. high-speed magnetic suspension rails irregularity according to claim 1,2 or 3 detects experimental rig, it is characterised in that: into When row high-speed magnetic suspension rails irregularity detects, on unilateral magnetic levitation track, the universal wheel is supported on unilateral side for the rack load On the upper side of magnetic levitation track, the support arm is located at the outside of unilateral magnetic levitation track, and the carrying platform and unilateral magnetic float rail The magnetic levitation track stator face face in road;By driving universal wheel, slide it along the length direction of unilateral magnetic levitation track, in turn Support arm and carrying platform is driven to move synchronously.
5. high-speed magnetic suspension rails irregularity according to claim 4 detects experimental rig, it is characterised in that: described carry is put down The vertical range of vertical laser range sensor real-time measurement vertical laser range sensor and magnetic levitation track stator face on platform, The vertical acceleration of accelerometer real-time measurement magnetic levitation track stator face on the carrying platform, the transverse direction laser ranging pass The lateral distance of sensor real-time measurement support arm and magnetic levitation track side.
6. high-speed magnetic suspension rails irregularity according to claim 5 detects experimental rig, it is characterised in that: lateral Laser Measuring The position of support arm upper end is arranged close to away from sensor, it is desirable that rack loads lateral Laser Measuring when on unilateral magnetic levitation track It is located at the side of magnetic levitation track away from sensor, can be measured that the lateral distance of support arm Yu magnetic levitation track side.
7. high-speed magnetic suspension rails irregularity according to claim 1 detects experimental rig, it is characterised in that: carrying platform One end is detachably fixed on support arm, and carrying platform mounting height on support arm is adjustable.
8. high-speed magnetic suspension rails irregularity according to claim 7 detects experimental rig, it is characterised in that: on support arm Screw screw rod is set, and one end of the carrying platform is fixed on screw screw rod, adjusts height of the carrying platform on screw screw rod Position is spent, carrying platform is fastened on support arm by screw.
9. high-speed magnetic suspension rails irregularity according to claim 7 detects experimental rig, it is characterised in that: on support arm Multiple groups mounting hole setting up and down is fixed in corresponding installation hole location by way of being spirally connected between carrying platform and support arm.
10. high-speed magnetic suspension rails irregularity according to claim 1 detects experimental rig, it is characterised in that: universal wheel branch Support is one piece of mounting plate, has been left and right symmetrically arranged two groups of universal wheels on mounting plate, every group of universal wheel include former and later two ten thousand To wheel, the support arm is fixed on the side medium position of universal wheeling supporting frame.
CN201811128772.8A 2018-09-27 2018-09-27 High-speed magnetic levitation track irregularity detection test device Active CN109131429B (en)

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Application Number Priority Date Filing Date Title
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CN109131429B CN109131429B (en) 2024-05-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109778607A (en) * 2019-03-14 2019-05-21 中铁隧道集团一处有限公司 Continuous rigid frame PC track girder precise measurement positioning device and erection localization method
CN110044260A (en) * 2019-04-13 2019-07-23 西南交通大学 A kind of tracks of permanent magnetism irregularity detection device
CN111926641A (en) * 2020-08-14 2020-11-13 北京中建空列集团有限公司 Suspension type air train track beam detection system

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CN107554553A (en) * 2017-08-31 2018-01-09 常州路航轨道交通科技有限公司 Track geometry irregularities detection method based on two-dimensional laser displacement transducer
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Publication number Priority date Publication date Assignee Title
CN109778607A (en) * 2019-03-14 2019-05-21 中铁隧道集团一处有限公司 Continuous rigid frame PC track girder precise measurement positioning device and erection localization method
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CN111926641B (en) * 2020-08-14 2021-08-31 北京中建空列集团有限公司 Suspension type air train track beam detection system

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