CN107503252A - The measuring method and device of longitudinal displacement of steel rail - Google Patents
The measuring method and device of longitudinal displacement of steel rail Download PDFInfo
- Publication number
- CN107503252A CN107503252A CN201710655435.3A CN201710655435A CN107503252A CN 107503252 A CN107503252 A CN 107503252A CN 201710655435 A CN201710655435 A CN 201710655435A CN 107503252 A CN107503252 A CN 107503252A
- Authority
- CN
- China
- Prior art keywords
- rail
- displacement meter
- weak magnetic
- magnetic block
- length travel
- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/12—Applications of measuring apparatus or devices for track-building purposes for measuring movement of the track or of the components thereof under rolling loads, e.g. depression of sleepers, increase of gauge
Abstract
The invention discloses a kind of measuring method of longitudinal displacement of steel rail and device.Wherein, this method includes：Receive the measurement instruction that host computer is sent；The magnetic field of magnetostrictive displacement meter sensing weak magnetic block is controlled according to measurement instruction, wherein, weak magnetic block is installed on rail；The electric signal fed back behind the magnetic field of magnetostrictive displacement meter sensing weak magnetic block is received, wherein, electric signal is used for the length travel for characterizing rail.The present invention solves prior art causes longitudinal displacement of steel rail to measure inaccurate technical problem using contact or manual measuring method.
Description
Technical field
The present invention relates to railway territory, in particular to the measuring method and device of a kind of longitudinal displacement of steel rail.
Background technology
In high ferro gapless track work progress, weld chain fixed preceding in unit rail section, it is necessary to carry out destressing to rail, and
According to Current Temperatures conversion tensile elongation, it is chain fixed that rail weldering is carried out when being stretched to locked lengths.It is line-locked entering to rail
During, staff needs to check the length travel of rail at any time.
In the prior art, it is more that rail longitudinal direction is carried out by the way of the change of manual measurement longitudinal displacement of steel rail or contact
Displacement measurement, i.e., more using displacement observation point is pre-set in work progress, each displacement observation point displacement of manual measurement becomes
The mode of change amount.Hand dipping moves forward and backward change using set square or span wire system measurement stretching, manually counts multiple observations
Construction validity is judged after the data summarization of point.
Need what is illustrated, the above-mentioned manual measurement mode measurement accuracy using set square or drawstring mode is low, easily causes
Human error, repeatability is poor, can not meet the requirement measured in real time in work progress, moreover, existing e measurement technology is in essence
Rail is indulged during degree, measurement range, environmental suitability, mounting means etc. can not meet the chain tailor-made industry of gapless track weldering
To the demand of displacement measurement.
Cause longitudinal displacement of steel rail measurement inaccurate using contact or manual measuring method for above-mentioned prior art
The problem of, effective solution is not yet proposed at present.
The content of the invention
The embodiments of the invention provide a kind of measuring method of longitudinal displacement of steel rail and device, at least to solve prior art
Longitudinal displacement of steel rail is caused to measure inaccurate technical problem using contact or manual measuring method.
One side according to embodiments of the present invention, there is provided a kind of measuring method of longitudinal displacement of steel rail, including：Receive
The measurement instruction that host computer is sent；The magnetic field of magnetostrictive displacement meter sensing weak magnetic block is controlled according to measurement instruction, wherein, weak magnetic
Block is installed on rail；The electric signal fed back behind the magnetic field of magnetostrictive displacement meter sensing weak magnetic block is received, wherein, electric signal is used
In the length travel for characterizing rail.
Another aspect according to embodiments of the present invention, a kind of measurement apparatus of longitudinal displacement of steel rail is additionally provided, including：The
One receiving unit, for receiving the measurement instruction of host computer transmission；Control unit, for controlling magnetostriction according to measurement instruction
Displacement meter senses the magnetic field of weak magnetic block, wherein, weak magnetic block is installed on rail；Second receiving unit, receive magnetostrictive displacement meter
Sense the electric signal fed back behind the magnetic field of weak magnetic block, wherein, electric signal is used for the length travel for characterizing rail.
In embodiments of the present invention, the measurement instruction sent using host computer is received；Mangneto is controlled to stretch according to measurement instruction
Contracting displacement meter senses the magnetic field of weak magnetic block, wherein, weak magnetic block is installed on rail；Receive magnetostrictive displacement meter sensing weak magnetic block
The electric signal fed back behind magnetic field, wherein, electric signal is used for the length travel for characterizing rail, solves prior art using contact
Formula or manual measuring method cause longitudinal displacement of steel rail to measure inaccurate technical problem.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of flow chart of the measuring method of longitudinal displacement of steel rail according to embodiments of the present invention；
Fig. 2 is a kind of schematic diagram of the measuring system of alternatively longitudinal displacement of steel rail according to embodiments of the present invention；
Fig. 3 is a kind of schematic diagram of the measuring system of alternatively longitudinal displacement of steel rail according to embodiments of the present invention；And
Fig. 4 is a kind of schematic diagram of the measurement apparatus of longitudinal displacement of steel rail according to embodiments of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Embodiment one
According to embodiments of the present invention, there is provided a kind of embodiment of the measuring method of longitudinal displacement of steel rail, it is necessary to explanation
It is that can be performed the step of the flow of accompanying drawing illustrates in the computer system of such as one group computer executable instructions,
Also, although logical order is shown in flow charts, in some cases, can be with different from order execution herein
Shown or described step.
Fig. 1 is the flow chart of the measuring method of longitudinal displacement of steel rail according to embodiments of the present invention, as shown in figure 1, the party
Method may include steps of：
Step S12, receive the measurement instruction that host computer is sent.
Specifically, in this programme, can by set an acquisition module near track, acquisition module can with it is upper
Position machine is communicated, and acquisition module can receive the measurement instruction that user is sent by host computer, then start to indulge track
Measured to displacement.It should be noted that after acquisition module powers up, acquisition module automatically tracks the length travel occurred
It is acquired.
Step S14, the magnetic field of magnetostrictive displacement meter sensing weak magnetic block is controlled according to measurement instruction, wherein, weak magnetic block peace
Loaded on rail.
Specifically, in this programme, a magnetostrictive displacement meter and a weak magnetic block can be set, weak magnetic block can be with
On rail, in the case that acquisition module receives above-mentioned measurement instruction, acquisition module can control above-mentioned mangneto to stretch
Contracting displacement meter come sense the magnetic field for the weak magnetic block being installed on rail, it is necessary to explanation, because weak magnetic block can be fixed on steel
On rail, if there occurs length travel, weak magnetic block can also follow rail to move for rail, then magnetostrictive displacement meter senses
The magnetic field of weak magnetic block inherently change.When being changed in the magnetic field that magnetostrictive displacement meter senses, mangneto
Telescopic displacement meter can then generate electric signal.
Step S16, the electric signal fed back behind the magnetic field of magnetostrictive displacement meter sensing weak magnetic block is received, wherein, telecommunications
Number it is used to characterize the length travel of rail.
Specifically, in this programme, magnetostrictive displacement meter, can be real-time by above-said current signal after electric signal is generated
The acquisition module for feeding back to this programme.
In the present embodiment, the measurement instruction sent by receiving host computer；Magnetostriction position is controlled according to measurement instruction
The magnetic field of meter sensing weak magnetic block is moved, wherein, weak magnetic block is installed on rail；Receive the magnetic field of magnetostrictive displacement meter sensing weak magnetic block
The electric signal fed back afterwards, wherein, electric signal is used for the length travel for characterizing rail.It is easily noted that, this programme takes mangneto
The mode in the magnetic field of telescopic displacement meter sensing weak magnetic block measures the length travel of rail, compared with the existing technology, this programme
The measuring method of " contactless " is more accurate, and therefore, this programme solves prior art to be caused using the measuring method of contact
Longitudinal displacement of steel rail measures inaccurate technical problem.
Alternatively, received in step S16 the electric signal that is fed back behind the magnetic field of magnetostrictive displacement meter sensing weak magnetic block it
Afterwards, method also includes：
Step S18, the length travel of rail is generated according to electric signal.
Step S20, the length travel of rail is sent to wireless communication module, wherein, wireless communication module is by rail
Length travel is wirelessly transmitted to host computer.
Specifically, in this programme, acquisition module can generate the length travel of above-mentioned rail according to above-said current signal, so
Above-mentioned displacement is sent to wireless communication module afterwards, then wireless communication module can by the length travel that above-mentioned rail occurs without
Line is sent to host computer.Alternatively, the length travel of track can also be wirelessly transmitted to work people by above-mentioned wireless communication module
The handheld terminal of member, staff can observe the length travel that track is occurred in real time.
Alternatively, with reference to shown in Fig. 2, weak magnetic block is connected by screw in magnetic patch fixture, wherein, magnetic patch fixture passes through locking
Bolt connection is in rail (rail).
Alternatively, with reference to shown in Fig. 3, magnetostrictive displacement meter passes through at least one displacement meter fixture (not shown in Fig. 3)
The sleeper of rail is connected to, with reference to Fig. 3, magnetostrictive displacement meter is parallel with the sleeper of rail, therefore can keep magnetostriction
Displacement meter and rail keeping parallelism.
Alternatively, motor is connected with clamping screw, wherein, longitudinal position in step S18 according to electric signal generation rail
After shifting, the method that the present embodiment provides can also include：
Step S22, adjust instruction is sent to motor, wherein, motor controls clamping screw to rotate according to adjust instruction so that
The distance between weak magnetic block and magnetostrictive displacement meter reach pre-determined distance.
Specifically, with reference to Fig. 3, in this programme, clamping screw can be designed to be automatically adjusted according to adjust instruction
The position of weak magnetic block, so that the distance between weak magnetic block and magnetostrictive displacement meter reach pre-determined distance, it is ensured that at both
In in optimal induction range.
With reference to Fig. 2 to Fig. 3, a kind of optional embodiment of the application is introduced：
The scheme of the application can provide a kind of longitudinal displacement of steel rail measuring system based on magnetostrictive displacement meter, with reference to
Fig. 2, the magnetostrictive displacement meter 21 in the system are arranged on two neighboring sleeper 23 by the displacement meter fixture of two splits
On railway spike 25 (service sleeve 27), there is locking device mounting portion, avoids magnetostrictive displacement meter from swinging, and the position of railway spike 25 is true
Magnetostrictive displacement meter 21 is parallel with track (sleeper) 23 after having determined installation locking.With reference to Fig. 3, the weak magnetic block 31 in said system
It is fixed by screws on magnetic patch fixture 33, magnetic patch fixture 33 is stuck on the rail head of rail 35 by two, both sides clamping screw,
And the relative position of weak magnetic block 31 and magnetostrictive displacement meter can be adjusted by two clamping screws, it is ensured that both are in optimal sense
In the range of answering.During measure track length travel, magnetostrictive displacement meter is arranged on two neighboring sleeper by displacement meter fixture
On railway spike, weak magnetic block is fixed on the rail head of rail by magnetic patch fixture.Pass through swing offset meter fixture and the lock of magnetic patch fixture
Tight bolt, magnetostrictive displacement meter 1 and weak magnetic block 2 are adjusted to best effort distance, connection acquisition module to magnetostriction position
Move the output cable of meter, you can start to obtain track length travel variable quantity in real time.
To sum up, can be as follows the advantages of the scheme of the application：
(1) measurement accuracy is high, and measurement range is big, can meet that precision is more than better than 1mm, range in gapless track construction
500mm requirement.
(2) magnetostrictive displacement meter is easy for installation, takes full advantage of sleeper and prestressing force in tiny fragments of stone, coal, etc. Construction of Ballastless Track
The screw spike and service sleeve of plate, solves the unequal installation problem in job site ground.
(3) magnetostrictive displacement meter wide adaptation range, it is insensitive to light, smog, dust, water droplet etc., and without additionally sealing
Dress just adapts to field construction environment (temperature, waterproof etc.).
(4) real-time Transmission change in displacement process, it is gapless track without manpower intervention after measurement process device installs
Weld it is chain it is fixed during stress release and draw rail to provide decision rule, improve track construction quality.
It should be noted that the scheme of the application have passed through orbiting laboratory trial assembly test and suburb of Beijing gapless track is actual applies
Work scene is on probation, and installation is simple, and measurement is accurate, the means of informationization is provided for gapless track work progress management, certain
Manpower is released in degree.
Embodiment two
Present invention also provides a kind of measurement apparatus of longitudinal displacement of steel rail, as shown in figure 4, the device can include：
First receiving unit 40, for receiving the measurement instruction of host computer transmission；Control unit 42, for being referred to according to measurement
The magnetic field of order control magnetostrictive displacement meter sensing weak magnetic block, wherein, weak magnetic block is installed on rail；Second receiving unit 44, connects
The electric signal fed back behind the magnetic field of magnetostrictive displacement meter sensing weak magnetic block is received, wherein, electric signal is used to characterize the vertical of rail
To displacement.
The measurement instruction that the present embodiment is sent by receiving host computer；Magnetostrictive displacement meter sense is controlled according to measurement instruction
The magnetic field of weak magnetic block is answered, wherein, weak magnetic block is installed on rail；Institute is anti-after receiving the magnetic field of magnetostrictive displacement meter sensing weak magnetic block
The electric signal of feedback, wherein, electric signal is used for the length travel for characterizing rail.It is easily noted that, this programme takes magnetostriction position
The mode for moving the magnetic field of meter sensing weak magnetic block measures the length travel of rail, compared with the existing technology, this programme it is " non-contact
The measuring method of formula " is more accurate, and therefore, this programme solves prior art causes rail longitudinal using the measuring method of contact
The inaccurate technical problem of displacement measurement.
Alternatively, the device that the application provides can also include：Generation unit, for generating the vertical of rail according to electric signal
To displacement；Transmitting element, for the length travel of rail to be sent to wireless communication module, wherein, wireless communication module is by steel
The length travel of rail is wirelessly transmitted to host computer.
Alternatively, weak magnetic block is connected by screw in magnetic patch fixture, wherein, magnetic patch fixture is connected to steel by clamping screw
Rail.
Alternatively, magnetostrictive displacement meter is connected to the sleeper of rail by least one displacement meter fixture, wherein, mangneto
Telescopic displacement meter is parallel with rail.
Alternatively, motor is connected with clamping screw, the device that the application provides can also include：3rd transmitting element,
For sending adjust instruction to motor, wherein, motor controls clamping screw to rotate according to adjust instruction so that weak magnetic block and mangneto
The distance between telescopic displacement meter reaches pre-determined distance.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the present invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. measuring method of longitudinal displacement of steel rail, it is characterised in that including：Receive the measurement instruction that host computer is sent；The magnetic field of magnetostrictive displacement meter sensing weak magnetic block is controlled according to the measurement instruction, wherein, the weak magnetic block is installed on Rail；Receive the magnetostrictive displacement meter and sense the electric signal fed back behind the magnetic field of the weak magnetic block, wherein, the telecommunications Number it is used to characterize the length travel of the rail.
- 2. according to the method for claim 1, it is characterised in that sense the weak magnetic receiving the magnetostrictive displacement meter After the electric signal fed back behind the magnetic field of block, methods described also includes：The length travel of the rail is generated according to the electric signal；The length travel of the rail is sent to wireless communication module, wherein, the wireless communication module is by the rail Length travel is wirelessly transmitted to the host computer.
- 3. according to the method for claim 2, it is characterised in that the weak magnetic block is connected by screw in magnetic patch fixture, its In, the magnetic patch fixture is connected to the rail by clamping screw.
- 4. according to the method for claim 3, it is characterised in that the magnetostrictive displacement meter passes through at least one displacement meter Fixture is connected to the sleeper of the rail, wherein, the magnetostrictive displacement meter is parallel with the rail.
- 5. according to the method for claim 3, it is characterised in that motor is connected with the clamping screw, wherein, in basis After the electric signal generates the length travel of the rail, methods described also includes：Adjust instruction is sent to the motor, wherein, the motor controls the clamping screw to rotate according to the adjust instruction, So that the distance between the weak magnetic block and the magnetostrictive displacement meter reach pre-determined distance.
- A kind of 6. measurement apparatus of longitudinal displacement of steel rail, it is characterised in that including：First receiving unit, for receiving the measurement instruction of host computer transmission；Control unit, the magnetic field of weak magnetic block is sensed based on controlling magnetostrictive displacement according to the measurement instruction, wherein, it is described Weak magnetic block is installed on rail；Second receiving unit, receive the magnetostrictive displacement meter and sense the electric signal fed back behind the magnetic field of the weak magnetic block, Wherein, the electric signal is used for the length travel for characterizing the rail.
- 7. device according to claim 6, it is characterised in that described device also includes：Generation unit, for generating the length travel of the rail according to the electric signal；Transmitting element, for the length travel of the rail to be sent to wireless communication module, wherein, the wireless communication module The length travel of the rail is wirelessly transmitted to the host computer.
- 8. device according to claim 7, it is characterised in that the weak magnetic block is connected by screw in magnetic patch fixture, its In, the magnetic patch fixture is connected to the rail by clamping screw.
- 9. device according to claim 8, it is characterised in that the magnetostrictive displacement meter passes through at least one displacement meter Fixture is connected to the sleeper of the rail, wherein, the magnetostrictive displacement meter is parallel with the rail.
- 10. device according to claim 8, it is characterised in that motor is connected with the clamping screw, described device is also Including：3rd transmitting element, for sending adjust instruction to the motor, wherein, the motor controls according to the adjust instruction The clamping screw rotates so that the distance between the weak magnetic block and the magnetostrictive displacement meter reach pre-determined distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710655435.3A CN107503252A (en) | 2017-08-02 | 2017-08-02 | The measuring method and device of longitudinal displacement of steel rail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710655435.3A CN107503252A (en) | 2017-08-02 | 2017-08-02 | The measuring method and device of longitudinal displacement of steel rail |
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| CN107503252A true CN107503252A (en) | 2017-12-22 |
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| CN201710655435.3A Pending CN107503252A (en) | 2017-08-02 | 2017-08-02 | The measuring method and device of longitudinal displacement of steel rail |
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Cited By (3)
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| CN108265576A (en) * | 2018-03-27 | 2018-07-10 | 株洲时代电子技术有限公司 | A kind of gapless track micro-displacement measuring device |
| CN111457832A (en) * | 2020-05-18 | 2020-07-28 | 上海凯佛自动化仪表有限公司 | Lifting type magnetostrictive displacement transmitter |
| CN112477923A (en) * | 2020-11-24 | 2021-03-12 | 绵阳市维博电子有限责任公司 | Comprehensive turnout detection system and method |
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