CN107089245A - A kind of portable railway detector for medium-and low-speed maglev - Google Patents
A kind of portable railway detector for medium-and low-speed maglev Download PDFInfo
- Publication number
- CN107089245A CN107089245A CN201710380069.5A CN201710380069A CN107089245A CN 107089245 A CN107089245 A CN 107089245A CN 201710380069 A CN201710380069 A CN 201710380069A CN 107089245 A CN107089245 A CN 107089245A
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- Prior art keywords
- support body
- sensor
- low
- medium
- speed maglev
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- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 13
- 239000000523 sample Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005339 levitation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of portable railway detector for medium-and low-speed maglev, including a mounting bracket, a data circuit processing system and multiple sensors being spaced apart, the mounting bracket is detachably secured on track to be detected and for installing the multiple sensor, each sensor is all used to detect the distance between its probe and track to be detected and outputting measurement value gives data circuit processing system, and the data circuit processing system is used to calculate the actual distance between sensor probe and track to be detected according to the measured value.The present invention is a kind of simple in construction, and quality is small, is easily installed carrying, and can ensure that a kind of portable railway detector for medium-and low-speed maglev of the precision of detection.
Description
Technical field
The present invention relates to magnetic suspension train field, particularly a kind of portable railway detector for medium-and low-speed maglev.
Background technology
Magnetic-levitation train is to offset terrestrial gravitation using electromagnetic force, makes to keep between car body and track by automatic control means
Certain gap, makes train suspend and orbits.Medium-and low-speed maglev traffic is a kind of carbon-free traffic of low noise, is following city
One of important directions of city's transport development.In in low magnetic-levitation train running, track is worked as in train stable suspersion 8mm gaps
During irregularity, especially in seam crossing, the seam between two tracks can be produced if more than 2mm faulting of slab ends to suspension effect
Raw considerable influence, for example, cause the side-sway of magnetic suspension train, shake the head, rail-engaging, vibration, continuous irregularity will cause train acute
Strong pounds rail and vibration.Therefore, how by accurately measuring the drop of seam crossing, and then ensure the smooth degree of track, be to improve
The key of the suspendability of magnetic-levitation train.
In the prior art：(1) measurement in short wave ranges typically uses suspension wire method manual measurement, and measurement accuracy is low, efficiency
Slowly.(2) the middle low speed rail detector used in long wave limit has plate frame structure and T font structures, and its is complicated,
Quality is larger, and installing carrying wastes time and energy, and each part such as transverse and longitudinal beam, accumulated error of each road wheel group in installation process
Greatly, make measurement accuracy low.
Therefore, how to provide a kind of simple in construction, be easily installed carrying while not influenceing the portable railway of measurement accuracy
Detector, as those skilled in the art's important technological problems urgently to be resolved hurrily.
The content of the invention
In order to solve the above technical problems, a kind of simple in construction, measurement of present invention offer is precisely and a kind of for middle low speed magnetic
Floating portable railway detector.
The technical solution adopted by the present invention is：
A kind of portable railway detector for medium-and low-speed maglev, including a mounting bracket, a data circuit processing system,
And multiple sensors being spaced apart, the mounting bracket is detachably secured on track to be detected and for installing described many
Individual sensor, each sensor of the multiple sensor is all used to detecting the distance between its probe and track to be detected and defeated
Go out measured value and give data circuit processing system, the data circuit processing system is used to calculate sensor spy according to the measured value
Actual distance between head and track to be detected.
Further, the mounting bracket includes support body and support, and the sensor is installed on the support body, and the support is used for
Supporting frame is in track to be detected.
Further, the support is to be arranged on the first bearing of support body bottom end and to be arranged on support body bottom another
Second bearing of one end.
It is preferred that, guide groove is offered on the support body, the guide groove is used to slidably install the sensor.
It is preferred that, the support body be folding device, the folding device have be used for fold the fold mechanism of support body with
And the position-limit mechanism that holding is stretched when stretching support body.
It is preferred that, the support body is folding device, and the Foldable is set to socket join structure, tenon structure or thread screw
Structure.
Further, the shell of first bearing and the second bearing is built-in with permanent magnet.
The sensor is laser range sensor and/or current vortex sensor.
The mounting bracket also includes the handle being fixed on the upside of support body.
The support body uses aluminium alloy or U-shaped steel.
Beneficial effects of the present invention：
1st, relative to manual measurement, instrument of the present invention is measured using sensor, and the degree of accuracy is higher, more fast.Mainly adopt
With sensor, measurement is gone by intelligentized means, the error of manual testing is reduced；
2nd, relative to board-like and T fonts track detector, simple in construction, quality is small, is easily installed carrying；
3rd, sensor can be moved in guide groove, and test position can be adjusted according to the demand at scene, can be changed at any time
The number and test position of sensor take multiple measurements, it is ensured that the precision of detection；
4th, data display can also be printed directly on instrument, and technical staff can rapidly measure not at the scene
The place of smooth-going.
Brief description of the drawings
The embodiment to the present invention is described further below in conjunction with the accompanying drawings.
Fig. 1-A are the front views of first embodiment of the invention；
Fig. 1-B are the top views of first embodiment of the invention；
Fig. 2 is schematic diagram when first embodiment of the invention is measured；
Fig. 3 is the structural representation of second embodiment of the invention；
Fig. 4 is the upward view of second embodiment of the invention；
Fig. 5 is the local A enlarged diagrams of structure shown in Fig. 4.
Embodiment
It is the first embodiment of the present invention, the present embodiment, which provides one kind, to be used for as shown in Fig. 1-A, Fig. 1-B and Fig. 2
The portable railway detector of medium-and low-speed maglev, including a mounting bracket 10, a data circuit processing system (not shown), Yi Jiduo
The individual sensor 20 being spaced apart.
The mounting bracket 10 is detachably secured on track 30 to be detected and for installing aforesaid plurality of sensor 20, each
Sensor 20 is all used to detect the distance between its probe and track 30 to be detected and outputting measurement value gives data circuit processing system
System, the data circuit processing system is popped one's head between track to be detected 30 for calculating sensor 20 according to the measured value
Actual distance, is easy to technical staff quickly to grasp the place of the irregularity of track 30.
It is pointed out that the analog signal measured according to sensor 20 is converted into the data circuit processing system of data signal
System belongs to prior art in electronic technology field, thus the present invention specific chip structure is no longer disclosed still can be by affiliated technology
The technical staff in field realizes.
In the present embodiment, mounting bracket 10 includes support body 101 and support 102, and sensor 20 is installed on the support body 101, frame
Body 101 is not foldable, and support 102 is used for supporting frame 101 in track 30 to be detected.Certainly, support body 101 and support 102
Can be integrative-structure, above-mentioned Split type structure is only as the preferred embodiment of mounting bracket 10 of the present invention.
As the further refinement of aforementioned schemes, the support 102 is be arranged on the bottom end of support body 101 first
Seat and the second bearing for being arranged on the bottom other end of support body 101.
4 meters be the Short wave irregularity that track traffic standard is defined length, shortwave require 4 meters of long scopes in, on track
Lower fluctuation difference is no more than 2mm, therefore in embodiments of the present invention, and the ultimate range that two sensors 20 are crossed over is 4 meters, the
The sheathing material of one bearing and the second bearing is ABS plastic, and the inside is equipped with permanent magnet, helps detector being fixed on track 30
On, 10~20mm of height of support is used to refer to spacing in test process, for example, during test, height of support is 10mm, it is each to survey
If the result of pilot is higher or lower than 10mm, then it represents that the point boss or depression；Sensor 20 is respectively laser ranging sensing
The combination of device 20 or current vortex sensor 20, or both, specifically can be according to being selected the need for scene, due to the floating row of magnetic
Track road 30 is F shaped steel rails, general more accurate using current vortex sensor 20, respectively measuring probe between track 30 away from
From the difference measured by different sensors 20 detects irregularity point, and random leading in the middle of mounting bracket 10
In groove 105.
Fig. 2 is schematic diagram when track detector in the first embodiment described in Fig. 1 is measured.By track when using
Detector is placed on track 30, is fixed in by bearing on track 30, between the detection probe of sensor 20 and track 30
Distance, the data acquisition circuitry (not shown) with lithium battery, system are installed on the mounting bracket 10 of track detector
The measured value of each probe is gathered, system passes through sampling analysis, obtains the data of all probes, analyzes the point of irregularity, so
Afterwards system by the data display of all probes on liquid crystal display, while the data of collection can be stored in SD by data collecting system
On card.System can mark the probe that error is more than 2mm, position the position of irregularity, complete the detection of track 30.
Guide groove 105 is offered on the support body 101 of the present embodiment, the guide groove 105 is used to slidably install the sensor
20, sensor can be moved in guide groove, and test position can be adjusted according to the demand at scene, and sensor can be changed at any time
Number and test position take multiple measurements, it is ensured that the precision of detection.
Also include a printer in data acquisition circuitry, the position of irregularity can be printed, facilitate technology
Personnel rapidly can measure and adjust at the scene the place of irregularity.After the completion of track 30 is detected, directly detector is removed
It is lower, it is easy to operate.
The number of sensor 20 can be increased or decreased according to demand, for example, when between the rail of four meters of spans only one
, it is necessary to using four sensors 20, when there is two seams, it is necessary to using six sensors 20, be connect when there is three during individual seam
Eight sensors 20 are needed to use during seam, wherein, the stage for having three seams is the region for being easiest to irregularity occur, is also real
Most frequent region, therefore general eight sensors 20 of installation in detector are detected in the use of border.
In the present embodiment, the detector of track 30 also includes the handle 106 being arranged on mounting bracket 10, is easy to technology
Engineering staff is carried with carrying.
As shown in Figure 3-Figure 5, it is second embodiment of the present invention, embodiment 2 is used for medium-and low-speed maglev there is provided another
Portable railway detector, compared with Example 1, main difference is that support body 101 be folding device, the folding device
The position-limit mechanism 104 that holding is stretched during with for folding the fold mechanism 103 of support body 101 and stretch support body 101.Fig. 5 is
The close-up schematic view of position-limit mechanism 104 shown in Fig. 4 and fold mechanism 103.(specific descriptions) position-limit mechanism 104 and folding
Folded mechanism 103 can be one or more groups of, preferably three groups, both can guarantee that enough total lengths of support body 101, be applicable to mostly
Number track to be detected, and the number of times that three groups of position-limit mechanisms 104 and the folding of fold mechanism 103 are drawn in is also moderate.
In other design, the folding support body 101 is big roundlet/frame socket join structure, or other sizes are corresponding
The structure of socket can be achieved；In other design, the folding support body 101 is a connecting pipe, links adjacent two
Section mounting bracket；In other design, the folding support body 101 is a tenon structure；It is described in other design
Folding support body 101 is thread screw structure；In other design, the mounting bracket 10 also includes a fixing device, uses
Same plane is kept it in the fixed mounting bracket 10.Certainly, the invention is not restricted to these examples, as long as reality can be reached
The collocation of the similar effect of matter, is all considered as belonging to the covering scope of the present invention.
In the above-described embodiments, because the mounting bracket 10 needs middle fluting, intensity requirement is high, in use not
Deformation can be produced, and also needs to ensure the smooth degree of test equipment, therefore, the material of mounting bracket 10 is aluminium in the present embodiment
Alloy or U-shaped steel, and aluminium alloy is lighter, moderate strength, therefore optimal selection is aluminium alloy.
In another embodiment, sensor 20 can also be fixed by screws on mounting bracket 10.
In another embodiment, sensor 20 can also be moved freely in guide groove.Sensor 20 is according to certain rule point
Cloth on the mounting bracket 10, such as sensor 20 be evenly distributed at equal intervals on mounting bracket 10, or sensor 20 from a left side to
The right side, distance between any two gradually increases or reduced, or small apart from big intermediate distance in two ends, or the big two ends distance of intermediate distance
Small is symmetrical, or is alternately distributed apart from increase/reduction, and or the regular distribution arbitrarily formulated by other.
What each embodiment was stressed is the difference with other embodiment in this specification, each embodiment it
Between identical similar portion mutually referring to the various embodiments that provide of the present invention can be mutually combined in any way as needed, be led to
This technical scheme for combining and obtaining is crossed, it is also within the scope of the invention.Obviously, those skilled in the art can enter to the present invention
The various changes of row and modification are without departing from the spirit and scope of the present invention.So, if to these modifications and variations of the present invention
Belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention also comprising these change and modification including.
Claims (10)
1. a kind of portable railway detector for medium-and low-speed maglev, it is characterised in that：Including a mounting bracket, a data circuit
Processing system and multiple sensors being spaced apart, the mounting bracket are detachably secured on track to be detected and are used for
The multiple sensor is installed, each sensor of the multiple sensor is all used to detect between its probe and track to be detected
Distance and outputting measurement value give data circuit processing system, the data circuit processing system be used for according to the measured value calculate
The actual distance gone out between sensor probe and track to be detected.
2. a kind of portable railway detector for medium-and low-speed maglev according to claim 1, it is characterised in that：It is described
Mounting bracket includes support body and support, and the sensor is installed on the support body, and the support is used for supporting frame in rail to be detected
Road.
3. a kind of portable railway detector for medium-and low-speed maglev according to claim 2, it is characterised in that：It is described
Support is the second bearing for being arranged on the first bearing of support body bottom end and being arranged on the support body bottom other end.
4. a kind of portable railway detector for medium-and low-speed maglev according to Claims 2 or 3, it is characterised in that：
Guide groove is offered on the support body, the guide groove is used to slidably install the sensor.
5. a kind of portable railway detector for medium-and low-speed maglev according to Claims 2 or 3, it is characterised in that：
The support body is folding device, and the folding device has the fold mechanism for being used for folding support body and kept when stretching support body
The position-limit mechanism stretched.
6. a kind of portable railway detector for medium-and low-speed maglev according to Claims 2 or 3, it is characterised in that：
The support body is folding device, and the Foldable is set to socket join structure, tenon structure or thread screw structure.
7. a kind of portable railway detector for medium-and low-speed maglev according to claim 3, it is characterised in that：It is described
The shell of first bearing and the second bearing is built-in with permanent magnet.
8. a kind of portable railway detector for medium-and low-speed maglev according to claim 1, it is characterised in that：It is described
Sensor is laser range sensor and/or current vortex sensor.
9. a kind of portable railway detector for medium-and low-speed maglev according to claim 2, it is characterised in that：It is described
Mounting bracket also includes the handle being fixed on the upside of support body.
10. a kind of portable railway detector for medium-and low-speed maglev according to claim 2, it is characterised in that：Institute
Support body is stated using aluminium alloy or U-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380069.5A CN107089245A (en) | 2017-05-25 | 2017-05-25 | A kind of portable railway detector for medium-and low-speed maglev |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380069.5A CN107089245A (en) | 2017-05-25 | 2017-05-25 | A kind of portable railway detector for medium-and low-speed maglev |
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| Publication Number | Publication Date |
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| CN107089245A true CN107089245A (en) | 2017-08-25 |
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| CN201710380069.5A Pending CN107089245A (en) | 2017-05-25 | 2017-05-25 | A kind of portable railway detector for medium-and low-speed maglev |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413918A (en) * | 2018-02-05 | 2018-08-17 | 北京力铁轨道交通设备有限公司 | A kind of low speed measures the method and combined measurement method of orbit geometry parameter |
| CN108839672A (en) * | 2018-06-28 | 2018-11-20 | 上海工程技术大学 | A kind of rail long wave wave mill detection device |
| CN111942427A (en) * | 2020-08-19 | 2020-11-17 | 湖南凌翔磁浮科技有限责任公司 | Dynamic detection device and method for magnetic suspension track contact rail |
| CN114293410A (en) * | 2021-12-03 | 2022-04-08 | 中铁第四勘察设计院集团有限公司 | High-speed magnetic suspension traffic engineering line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108413918A (en) * | 2018-02-05 | 2018-08-17 | 北京力铁轨道交通设备有限公司 | A kind of low speed measures the method and combined measurement method of orbit geometry parameter |
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| CN114293410A (en) * | 2021-12-03 | 2022-04-08 | 中铁第四勘察设计院集团有限公司 | High-speed magnetic suspension traffic engineering line |
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