CN108839672A - A kind of rail long wave wave mill detection device - Google Patents
A kind of rail long wave wave mill detection device Download PDFInfo
- Publication number
- CN108839672A CN108839672A CN201810691985.5A CN201810691985A CN108839672A CN 108839672 A CN108839672 A CN 108839672A CN 201810691985 A CN201810691985 A CN 201810691985A CN 108839672 A CN108839672 A CN 108839672A
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- China
- Prior art keywords
- eddy current
- current sensor
- radio
- detection device
- rail
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The present invention relates to a kind of rail long wave waves to grind detection device, including base mold group, host computer, radio-frequency module and multiple eddy current sensors, radio-frequency module and eddy current sensor are set in base mold group, radio-frequency module is connect with eddy current sensor, the Data Concurrent for receiving eddy current sensor acquisition is sent to host computer, host computer includes that processor, memory and the program for being stored on memory and being executed by processor, processor realize following steps when executing program：After receiving the distance between rail acquired by each eddy current sensor sent by radio-frequency module；The altitude information that each eddy current sensor demarcated in advance is subtracted according to the distance between the rail of each eddy current sensor acquisition obtains final wave mill waveform diagram.Base mold group is made of multiple successively end to end pedestals, and the end for being located at two pedestals at both ends is equipped with the end cap to seal.Compared with prior art, the present invention has the advantages that dress reduces single-chip microcontroller and D/A converter module space.
Description
Technical field
The present invention relates to a kind of rail long wave waves to grind detection device, grinds detection dress more particularly, to a kind of rail long wave wave
It sets.
Background technique
Track Corrugation, after referring to that track enters operation, raceway surface will appear abrasion, and this abrasion presents certain
Rule.Rail corrugation mainly has several frequently seen harm.It is the cost for increasing maintenance first.When train often passes wave mill
Section can cause bogie and wheel pair and the high vibration to vehicle, can also accelerating vehicle and track after influencing comfort level
The destruction of component damages, and shortens the service life, so that part life can shorten.Second, serious noise pollution is generated, wave mill holds very much
It is also easy to produce noise.It is finally that there are serious security risks.When vehicle crosses wave mill wave crest, impact force can be greatly increased, and cross wave
Paddy power reduces again, is easy to lead to the derailing of train, is seriously possible to cause rail, axle fracture.
Currently, long wave wave mill detection device have it is following several：RMF-2.3E shaped steel rail Abrasion Tester is that track is longitudinally ground
Consumption detection development once looks to improve, and the wave-length coverage of monitoring is 10mm-3000mm, it can be achieved that long wave gapless line undulatory wear
With the measurement of shortwave gapless line undulatory wear, and can continuously measure.184 precision rollers of measuring instrument are sliding along Rail Surface
It is dynamic, double track measurement can be carried out simultaneously, and measurement process is simple, and precision is high.The structure of mechanism uses aluminium alloy, and can be broken down into four
There are 2 end frames, 1 crossbeam, crossbeam sliding unit and computer MPC, rechargeable battery in part.Each part is installed with bolt.
The testing principle of RMF-2.3F device is that 184 precision rollers are filled under the outer frame end of two ends, and group is combined into one and is similar to string
Straight flange, this string and raceway surface uninterruptedly touch conjunction.There is a sensor at the center of every straight flange.This sensor is supervised not
Influence of the parallel orbital plane to sliding straight flange to dynamic power.This dynamic high low value is transported on computer and can be turned
It is melted into the X of corresponding rail level, the amount of Y coordinate.X represents orbital plane length, and Y represents wave mill depth.
With the speed-raising of train operation and the travel requirement of large conveying quantity, more huge pressure is produced to rail, therefore
It must be increased accordingly for the detection technique of wave mill.Currently, wave mill detection device and system both domestic and external tend to portable and set
Meter requires and functional requirement, detection accuracy are also being promoted steadily.Current many portable inspectiont mechanisms both domestic and external more at
It is ripe, but most of is to be researched and developed based on the mill design of shortwave wave, and the detection device for being directed to long wave wave mill is more rare, therefore,
The portable long wave wave of design one grinds detection device, and the use scope for increasing long wavelength's measurement is very necessary.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of rail long wave waves to grind
Detection device.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of rail long wave wave mill detection device, including base mold group, host computer, radio-frequency module and multiple currents sensings
Device, the radio-frequency module and eddy current sensor are set in base mold group, and the radio-frequency module is connect with eddy current sensor, are received
The Data Concurrent of eddy current sensor acquisition is sent to host computer, and the host computer includes processor, memory and is stored in memory
Program that is upper and being executed by the processor, the processor realize following steps when executing described program：
After receiving the distance between rail acquired by each eddy current sensor sent by radio-frequency module；
The height for each eddy current sensor demarcated in advance is subtracted according to the distance between the rail of each eddy current sensor acquisition
Degree evidence obtains final wave mill waveform diagram.
The base mold group is made of multiple successively end to end pedestals, and the end for being located at two pedestals at both ends is set
There is the end cap to seal.
Be equipped with the fixed bracket of two pieces of sensors being axially distributed along pedestal in the pedestal, the fixed bracket of two pieces of sensors it
Between form the fixing groove for fixing eddy current sensor.
The top of the pedestal is equipped with sealing cover, and the radio-frequency module is set on the inside of sealing cover.
It is equipped with the battery mounting for installing battery in one pedestal of the base mold group, is fixed in battery mounting
There is battery, which connect with all eddy current sensors and radio-frequency module.
Base inner wall equipped with battery mounting is equipped with switch.
The eddy current sensor lower part is the probe in cylindrical structure, and top is in rectangular parallelepiped structure, the bottom of the fixing groove
Portion is equipped with several cylinder type grooves, and the cylinder type groove is adapted with the probe of the eddy current sensor, and the eddy current sensor is equal
Even point in the fixing groove.
The distance between described eddy current sensor is 2.5 times of the probe diameter of the eddy current sensor.
The sensor fixation plate is two L-type angle steel, and the identical opening of two sensor fixation plate length is opposite and parallel
It is placed on pedestal.
The processor also realizes following steps when executing described program：
After receiving the distance between granite datum level acquired by each eddy current sensor sent by radio-frequency module, mark
The altitude information of fixed each eddy current sensor.
Compared with prior art, the invention has the advantages that：
1) device is acquired rail wear value using eddy current sensor, is passed using the vortex of direct output digit signals
Sensor realizes portable feature, reduces single-chip microcontroller and D/A converter module space.
2) without human intervention, detection device is able to achieve processing, transmission and control to signal and requires.
3) holding PDA can display real-time rail corrugation measured value.
4) holding the wave mill waveform shown on PDA and detection data can be transferred in computer, be divided in more detail
Analysis processing.
5) it is measured due to detection device for 1000mm long wave wave mill, detection device realization is easy to disassemble, takes
Band is convenient.
6) this equipment is light-weight relative to existing equipment, using lithium battery as energy source, can greatly reduce equipment
Operation expense.
7) non-contact measurement is carried out using eddy current sensor, is applicable to the detection scene of various complexity.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram for measuring part；
Fig. 3 is the structural schematic diagram of base assembly；
Fig. 4 is the structural schematic diagram of base portion；
Fig. 5 is the structural schematic diagram for sealing cover；
Wherein：1, end cap, 2, base mold group, 3, battery mounting, 4, the fixed bracket of sensor, 5, eddy current sensor, 6,
Sealing cover, 7, U-shaped connector, 8, host computer, 201, left base, 202, center base, 203, right side pedestal, 204, aviation insert
Head bore, 205, switch hole, 206, battery fixing groove, 207, fixing groove, 601, radio-frequency module, 602, PCB circuit board.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
A kind of rail long wave wave mill detection device, as depicted in figs. 1 and 2, including base mold group 2, host computer 8, radio frequency mould
Block 601 and multiple eddy current sensors 5, radio-frequency module 601 and eddy current sensor 5 are set in base mold group 2, radio-frequency module 601
Connect with eddy current sensor 5, receive the Data Concurrent that eddy current sensor 5 acquires and send to host computer 8, host computer 8 include processor,
Memory and the program for being stored on memory and being executed by processor, processor realize following steps when executing program：
After receiving the distance between rail acquired by each eddy current sensor 5 sent by radio-frequency module 601；
Each eddy current sensor 5 demarcated in advance is subtracted according to the distance between the rail of each eddy current sensor 5 acquisition
Altitude information obtains final wave mill waveform diagram.
Base mold group 2 is made of multiple successively end to end pedestals 201,202,203, and is located at two pedestals at both ends
The end in outside be equipped with the end cap 1 that seals, for sealing whole device, prevent aqueous vapor from corroding internal.
The fixed bracket 4 of two pieces of sensors being axially distributed along pedestal is equipped in pedestal, two pieces of sensors are fixed between bracket 4
Form the fixing groove for fixing eddy current sensor 5.
The top of pedestal is equipped with sealing cover 6, and radio-frequency module 601 is set to 6 inside of sealing cover, and the inside of each sealing cover 6 is opened
Screw is dug, for installing PCB circuit board and radio-frequency module two U-shaped articulated mountings 7, as shown in figure 3, using between three pedestals
U-typed connector is attached.
Understructure figure and outline drawing are as shown in Figure 2, Figure 3 and Figure 4：Two holes are dug in 201 right wall of left base：One
Aviation nut bore 204, a switch hole 205；The design that center base 202 is different from two wing bases is that its two sides are mostly reserved
Distance, facilitates the connector sleeve 7 to connect two wing bases；Pedestal 201 devises a battery fixing groove exclusively for lithium battery group
206, stepped groove and circular hole 207 have also been dug to install fixed 5 bottom of eddy current sensor on bottom plate 201.
It is equipped with the battery mounting 3 for installing battery in one pedestal of base mold group 2, is fixed in battery mounting 3
There is battery, which connect with all eddy current sensors 5 and radio-frequency module 601, and 3 bottom of battery mounting is fixed on using screw
The bottom of left base 201.
Base inner wall equipped with battery mounting 3 is equipped with switch.
5 lower part of eddy current sensor is the probe in cylindrical structure, and top is in rectangular parallelepiped structure, if the bottom of fixing groove is equipped with
Dry cylinder type groove, cylinder type groove are adapted with the probe of eddy current sensor 5, and eddy current sensor 5 uniformly divides in fixing groove.
The distance between eddy current sensor 5 is 2.5 times of the probe diameter of eddy current sensor 5.
Sensor fixation plate 4 is two L-type angle steel, and the identical opening of two 4 length of sensor fixation plate is opposite and puts in parallel
It sets on pedestal.
Processor also realizes following steps when executing program：
Receive the distance between the granite datum level acquired by each eddy current sensor 5 sent by radio-frequency module 601
Afterwards, the altitude information of each eddy current sensor 5 is demarcated.
Since general assembly is equipped with two class electrical equipments, three radio-frequency modules 601 and current vortex sensor 5, for easy for installation
With supplying cell, each electrical equipment of circuit connects circuit by the way of in parallel, and battery connects a reducing transformer again and passes electricity supply
Sense device working.Circuit board 602, as shown in Figure 5：The design selects PCB single sided board, the connector selection of device internal circuit
XH2054 staight needle seat；Aviation plug 204：In order to uniformly power, installation is convenient and plugs convenient, selection GX20-4 core connector,
And female connecting line；Switch 205：Select electronic reset switch.
Current vortex sensor 5 exports four lines, two connection power supply lines, and two RS485 connected on radio-frequency modules 601 lead to
Pipeline joint, output digit signals.
In use, first having to be demarcated, since detection device base portion has irregularity in the process of production and processing
Phenomenon, therefore detection device is selected with rail smooth granite of same size as reference-calibrating face.Measuring device is set up
In the plane, all the sensors probe on device is obtained using rail wedge-shaped feeler gauge obtain data 1 to the distance of datum level,
Measuring device is erected on normal smooth rail surface, is obtained sensor probe to rail level distance using wedge-shaped feeler gauge, is obtained data
2, compare the error between coordinate data 1 and 2, revises parameter value, error range is able to coincidence measurement requirement, finally by coordinate
Data generate a smoothed curve band, and it is curve 1 with calibration that typing, which holds PDA data processing system, which can be completed calibration,；It surveys
When measuring rail corrugation, the pedestal 2 of device is directly erected on single steel rail, the aviation being mounted in left base 201 is inserted
First 204 plug in, and then press the switch 205 in left base 201, power to device, pass through current vortex sensor 5
Rail surface is directly contacted, the wave mill value digital signal of acquisition is sent directly to radio-frequency module 601, and radio-frequency module is saturating by data
It passes, the signal of acquisition is issued into hand-held PDA, hold PDA and obtain desired signal, the long wave wave needed for obtaining by data processing is ground
Wearing valve.You can get it curve 2, the curve 2 measured using current vortex sensor 5 are subtracted each other with calibration curve 1, are exactly long wave wave mill
Waveform diagram.
Claims (10)
1. a kind of rail long wave wave grinds detection device, which is characterized in that including base mold group (2), host computer (8), radio-frequency module
(601) it is set on base mold group (2) with multiple eddy current sensors (5), the radio-frequency module (601) and eddy current sensor (5),
The radio-frequency module (601) connect with eddy current sensor (5), and the Data Concurrent for receiving eddy current sensor (5) acquisition is sent to upper
Machine (8), the host computer (8) include processor, memory and the journey for being stored on memory and being executed by the processor
Sequence, the processor realize following steps when executing described program：
After receiving the distance between rail acquired by each eddy current sensor (5) sent by radio-frequency module (601)；
Each eddy current sensor (5) demarcated in advance is subtracted according to the distance between the rail of each eddy current sensor (5) acquisition
Altitude information obtains final wave mill waveform diagram.
2. a kind of rail long wave wave according to claim 1 grinds detection device, which is characterized in that the base mold group (2)
The end for being made of multiple successively end to end pedestals (201,202,203), and being located at two pedestals at both ends has been equipped with close
The end cap (1) of envelope effect.
3. a kind of rail long wave wave according to claim 2 grinds detection device, which is characterized in that be equipped with edge in the pedestal
Two pieces of sensors that pedestal is axially distributed are fixed bracket (4), formed between two pieces of sensors fixed bracket (4) for fixed vortex
The fixing groove of sensor (5).
4. a kind of rail long wave wave according to claim 2 grinds detection device, which is characterized in that set at the top of the pedestal
Have sealing cover (6), the radio-frequency module (601) is set on the inside of sealing cover (6).
5. a kind of rail long wave wave according to claim 3 grinds detection device, which is characterized in that the base mold group (2)
A pedestal in be equipped with battery mounting (3) for installing battery, is fixed with battery in battery mounting (3), the battery
It is connect with all eddy current sensors (5) and radio-frequency module (601).
6. a kind of rail long wave wave according to claim 5 grinds detection device, which is characterized in that be equipped with battery mounting
(3) base inner wall is equipped with switch.
7. a kind of rail long wave wave according to claim 1 grinds detection device, which is characterized in that the eddy current sensor
(5) lower part is the probe in cylindrical structure, and top is in rectangular parallelepiped structure, and the bottom of the fixing groove is equipped with several cylinder type grooves,
The cylinder type groove is adapted with the probe of the eddy current sensor (5), and the eddy current sensor (5) is uniformly divided in the fixation
In slot.
8. a kind of rail long wave wave according to claim 7 grinds detection device, which is characterized in that the eddy current sensor
It the distance between (5) is 2.5 times of probe diameter of the eddy current sensor (5).
9. a kind of rail long wave wave according to claim 3 grinds detection device, which is characterized in that the sensor fixation plate
It (4) is two L-type angle steel, the identical opening of two sensor fixation plate (4) length is opposite and is placed in parallel on pedestal.
10. a kind of rail long wave wave according to claim 1 grinds detection device, which is characterized in that the processor executes
Following steps are also realized when described program：
Receive the distance between the granite datum level by each eddy current sensor (5) acquisition sent by radio-frequency module (601)
Afterwards, the altitude information of each eddy current sensor (5) is demarcated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691985.5A CN108839672A (en) | 2018-06-28 | 2018-06-28 | A kind of rail long wave wave mill detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691985.5A CN108839672A (en) | 2018-06-28 | 2018-06-28 | A kind of rail long wave wave mill detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108839672A true CN108839672A (en) | 2018-11-20 |
Family
ID=64200023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810691985.5A Pending CN108839672A (en) | 2018-06-28 | 2018-06-28 | A kind of rail long wave wave mill detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619608A (en) * | 2020-06-11 | 2020-09-04 | 中国铁建重工集团股份有限公司 | Track detection assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9011881D0 (en) * | 1990-05-26 | 1990-07-18 | Tdm | Tape services limited rail corrugation transducer apparatus |
| US20060057816A1 (en) * | 2004-09-08 | 2006-03-16 | Hubert Benzel | Sensor element with trenched cavity |
| CN202022220U (en) * | 2011-01-21 | 2011-11-02 | 中南大学 | Three-point-form track irregularity measuring device |
| US20120118474A1 (en) * | 2010-11-11 | 2012-05-17 | Casey David W | Method and apparatus for determining blowout in a corrugation |
| CN107089245A (en) * | 2017-05-25 | 2017-08-25 | 湖南凌翔磁浮科技有限责任公司 | A kind of portable railway detector for medium-and low-speed maglev |
-
2018
- 2018-06-28 CN CN201810691985.5A patent/CN108839672A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9011881D0 (en) * | 1990-05-26 | 1990-07-18 | Tdm | Tape services limited rail corrugation transducer apparatus |
| US20060057816A1 (en) * | 2004-09-08 | 2006-03-16 | Hubert Benzel | Sensor element with trenched cavity |
| US20120118474A1 (en) * | 2010-11-11 | 2012-05-17 | Casey David W | Method and apparatus for determining blowout in a corrugation |
| CN202022220U (en) * | 2011-01-21 | 2011-11-02 | 中南大学 | Three-point-form track irregularity measuring device |
| CN107089245A (en) * | 2017-05-25 | 2017-08-25 | 湖南凌翔磁浮科技有限责任公司 | A kind of portable railway detector for medium-and low-speed maglev |
Non-Patent Citations (1)
| Title |
|---|
| 中国电子学会敏感技术分会: "《2008/2009传感器与执行器大全（年卷）传感器·变送器·执行器》", 31 March 2010 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619608A (en) * | 2020-06-11 | 2020-09-04 | 中国铁建重工集团股份有限公司 | Track detection assembly |
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