CN207215029U - The measuring system of longitudinal displacement of steel rail - Google Patents
The measuring system of longitudinal displacement of steel rail Download PDFInfo
- Publication number
- CN207215029U CN207215029U CN201720961589.0U CN201720961589U CN207215029U CN 207215029 U CN207215029 U CN 207215029U CN 201720961589 U CN201720961589 U CN 201720961589U CN 207215029 U CN207215029 U CN 207215029U
- Authority
- CN
- China
- Prior art keywords
- rail
- displacement meter
- magnetostrictive displacement
- magnetic block
- weak magnetic
- 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.)
- Active
Links
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model discloses a kind of measuring system of longitudinal displacement of steel rail.Wherein, the system includes：Weak magnetic block, is installed on rail；Magnetostrictive displacement meter, the sleeper of rail is connected to, for sensing the magnetic field of weak magnetic block；Collector, correspondence is established with magnetostrictive displacement meter, the electric signal sent based on gathering magnetostrictive displacement, wherein, electric signal is used for the length travel for characterizing rail.The utility model solves prior art causes longitudinal displacement of steel rail to measure inaccurate technical problem using contact or manual measuring method.
Description
Technical field
Railway territory is the utility model is related to, in particular to a kind of measuring system 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.
Utility model content
The utility model embodiment provides a kind of measuring system of longitudinal displacement of steel rail, is adopted with least solving prior art
Longitudinal displacement of steel rail is caused to measure inaccurate technical problem with contact or manual measuring method.
According to the one side of the utility model embodiment, there is provided a kind of measuring system of longitudinal displacement of steel rail, including：
Weak magnetic block, is installed on rail；Magnetostrictive displacement meter, the sleeper of rail is connected to, for sensing the magnetic field of weak magnetic block；Collection
Device, correspondence is established with magnetostrictive displacement meter, the electric signal sent based on gathering magnetostrictive displacement, wherein, telecommunications
Number it is used to characterize the length travel of rail.
Further, system also includes：Signal adapter, correspondence is established with collector, for electric signal to be carried out
Signal conversion processes, generate data signal.
Further, system also includes：Wireless communication module, correspondence is established with signal adapter, for by numeral
Signal is wirelessly transmitted to host computer, wherein, host computer generates the length travel of rail according to data signal.
Further, weak magnetic block is connected by screw in magnetic patch fixture, wherein, magnetic patch fixture is connected to by clamping screw
Rail.
Further, motor is connected with clamping screw, motor establishes correspondence with host computer.
Further, motor is used to drive clamping screw to rotate forward or backwards rotation so that weak magnetic block and magnetostriction
The distance between displacement meter reaches pre-determined distance.
Further, magnetostrictive displacement meter is connected to the sleeper of rail by least one displacement meter fixture.
Further, the sleeper of rail includes railway spike, for connecting at least one displacement meter fixture.
Further, magnetostrictive displacement meter is parallel with rail.
Further, system also includes：Handheld terminal, correspondence is established with host computer, sent for receiving host computer
Rail length travel.
In the utility model embodiment, the measuring system of longitudinal displacement of steel rail includes：Weak magnetic block, is installed on rail；Magnetic
Telescopic displacement meter is caused, the sleeper of rail is connected to, for sensing the magnetic field of weak magnetic block；Collector, built with magnetostrictive displacement meter
Vertical correspondence, the electric signal sent based on gathering magnetostrictive displacement, wherein, electric signal is used for the longitudinal position for characterizing rail
Move.The technology that solve prior art causes longitudinal displacement of steel rail measurement inaccurate using contact or manual measuring method is asked
Topic.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the schematic diagram according to a kind of measuring system of longitudinal displacement of steel rail of the utility model embodiment；
Fig. 2 is the schematic diagram according to a kind of measuring system of alternatively longitudinal displacement of steel rail of the utility model embodiment；
And
Fig. 3 is the schematic diagram according to a kind of measuring system of alternatively longitudinal displacement of steel rail of the utility model embodiment.
Embodiment
In order that those skilled in the art more fully understand the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that be described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all should
When the scope for belonging to the utility model protection.
A kind of measuring system of longitudinal displacement of steel rail is present embodiments provided, as shown in figure 1, the measuring system can wrap
Include：
Weak magnetic block 12, is installed on rail.
Magnetostrictive displacement meter 14, the sleeper of rail is connected to, for sensing the magnetic field of weak magnetic block；
Collector 16, correspondence is established with magnetostrictive displacement meter, the electricity sent based on gathering magnetostrictive displacement
Signal, wherein, electric signal is used for the length travel for characterizing rail.
Specifically, can be by one collector (acquisition module) of setting near track in this programme, collector can
To be communicated with host computer, acquisition module can receive the measurement instruction that user is sent by host computer, then start to rail
The length travel in road measures.It should be noted that after acquisition module powers up, collector automatically tracks the longitudinal direction occurred
Displacement is acquired.Weak magnetic block may be mounted on rail, in the case that acquisition module receives above-mentioned measurement instruction, collection
Device can control above-mentioned magnetostrictive displacement meter to sense the magnetic field for the weak magnetic block being installed on rail, it is necessary to illustrate, by
It can be fixed in weak magnetic block on rail, if there occurs length travel, weak magnetic block can also follow rail to move for rail, that
The magnetic field of the weak magnetic block of magnetostrictive displacement meter sensing inherently changes.In the magnetic field that magnetostrictive displacement meter senses
When changing, magnetostrictive displacement meter can then generate electric signal.Magnetostrictive displacement meter, can after electric signal is generated
So that above-said current signal to be fed back to the collector of this programme in real time.
In the utility model that the application proposes, using weak magnetic block 12, rail is installed on.Magnetostrictive displacement meter 14, even
The sleeper of rail is connected to, for sensing the magnetic field of weak magnetic block；Collector 16, correspondence is established with magnetostrictive displacement meter, used
In the electric signal that collection magnetostrictive displacement meter is sent, wherein, electric signal is used for the length travel for characterizing rail.Easily pay attention to
Arriving, this programme takes the mode in the magnetic field of magnetostrictive displacement meter sensing weak magnetic block to measure the length travel of rail, compared with
Technology is compared, and the measuring method of " contactless " of this programme is more accurate, and therefore, this programme solves prior art using contact
The measuring method of formula causes longitudinal displacement of steel rail to measure inaccurate technical problem.
Alternatively, the system that the present embodiment provides can also include：Signal adapter, correspondence is established with collector,
For electric signal to be carried out into signal conversion processes, data signal is generated.
Alternatively, the system that the present embodiment provides can also include：Wireless communication module, establish and communicate with signal adapter
Relation, for data signal to be wirelessly transmitted into host computer, wherein, host computer generates longitudinal position of rail according to data signal
Move.
Collector can generate the length travel of above-mentioned rail according to above-said current signal, then send above-mentioned displacement to nothing
Line communication module, then wireless communication module can be by length travel Wireless transceiver that above-mentioned rail occurs to host computer.It is optional
The length travel of track can also be wirelessly transmitted to the handheld terminal of staff by ground, above-mentioned wireless communication module, and work people
Member can observe the length travel that track is occurred in real time.
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, 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, motor establishes correspondence with host computer.
Alternatively, motor is used to drive clamping screw to rotate forward or backwards rotation so that weak magnetic block and magnetostriction position
Move the distance between meter and 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.
Alternatively, magnetostrictive displacement meter is connected to the sleeper of rail by least one displacement meter fixture.
Alternatively, the sleeper of rail includes railway spike, for connecting at least one displacement meter fixture.
Alternatively, magnetostrictive displacement meter is parallel with rail.
Alternatively, system also includes：Handheld terminal, correspondence is established with host computer, for receiving host computer transmission
The length travel of rail.
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.
Above-mentioned the utility model embodiment sequence number is for illustration only, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description to each embodiment all emphasizes particularly on different fields, in some embodiment
The part not being described in detail, it may refer to the associated description of other embodiment.
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 utility model can be integrated in a processing unit,
Can be that unit is individually physically present, can also two or more units it is integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. measuring system of longitudinal displacement of steel rail, it is characterised in that including：Weak magnetic block 12, is installed on rail；Magnetostrictive displacement meter 14, the sleeper of the rail is connected to, for sensing the magnetic field of the weak magnetic block 12；Collector 16, correspondence is established with the magnetostrictive displacement meter 14,14 based on gathering the magnetostrictive displacement The electric signal of transmission, wherein, the electric signal is used for the length travel for characterizing the rail.
- 2. system according to claim 1, it is characterised in that the system also includes：Signal adapter, correspondence is established with the collector, for the electric signal to be carried out into signal conversion processes, generation Data signal.
- 3. system according to claim 2, it is characterised in that the system also includes：Wireless communication module, correspondence is established with the signal adapter, it is supreme for the data signal to be transmitted wirelessly Position machine, wherein, the host computer generates the length travel of the rail according to the data signal.
- 4. system according to claim 3, 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.
- 5. system according to claim 4, it is characterised in that be connected with motor on the clamping screw, the motor with The host computer establishes correspondence.
- 6. system according to claim 5, it is characterised in that the motor is used to drive the clamping screw to rotate forward Or backwards rotation so that the distance between the weak magnetic block and the magnetostrictive displacement meter reach pre-determined distance.
- 7. system according to claim 1, 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.
- 8. system according to claim 7, it is characterised in that the sleeper of the rail includes railway spike, described for connecting At least one displacement meter fixture.
- 9. system according to claim 1, it is characterised in that the magnetostrictive displacement meter is parallel with the rail.
- 10. system according to claim 3, it is characterised in that the system also includes：Handheld terminal, it is and described upper Machine establishes correspondence, the length travel of the rail sent for receiving the host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961589.0U CN207215029U (en) | 2017-08-02 | 2017-08-02 | The measuring system of longitudinal displacement of steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961589.0U CN207215029U (en) | 2017-08-02 | 2017-08-02 | The measuring system of longitudinal displacement of steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207215029U true CN207215029U (en) | 2018-04-10 |
Family
ID=61817187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720961589.0U Active CN207215029U (en) | 2017-08-02 | 2017-08-02 | The measuring system of longitudinal displacement of steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207215029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973099A (en) * | 2019-04-08 | 2019-07-05 | 华东交通大学 | A kind of monitoring method of bridge-type shield rail vertical displacement amount |
-
2017
- 2017-08-02 CN CN201720961589.0U patent/CN207215029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973099A (en) * | 2019-04-08 | 2019-07-05 | 华东交通大学 | A kind of monitoring method of bridge-type shield rail vertical displacement amount |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106629366B (en) | A kind of escalator step measures and hidden danger alignment system and its method with skirt panel safety clearance | |
| CN103823155A (en) | AT traction network short circuit fault distance measurement method | |
| CN106758602A (en) | A kind of staticaccelerator track ride comfort detecting system and method | |
| CN110466560A (en) | Track detecting component | |
| CN209508735U (en) | A kind of biprism railroad track geometry condition checkout gear | |
| CN207215029U (en) | The measuring system of longitudinal displacement of steel rail | |
| CN107503252A (en) | The measuring method and device of longitudinal displacement of steel rail | |
| CN203550918U (en) | T-shaped elevator guide rail detection platform | |
| CN206223146U (en) | A kind of structure junction relative settlement monitoring system based on MEMS technology | |
| CN105421172A (en) | Measuring method for one-sided operating double track railway track control net | |
| KR100652838B1 (en) | Contact wire measurement system in electric railway | |
| CN208881811U (en) | A kind of automatic inspection device for track | |
| CN104142135B (en) | Method and device for monitoring horizontal displacement of tunnel based on wireless tilt sensors | |
| CN103615981A (en) | Bridge displacement and expansion joint width remote-measuring system based on internet of things and lasers | |
| CN105235715B (en) | A kind of on-line checking integration goat and monitoring method | |
| CN109060960A (en) | Carbon-fibre wire dynamic on-line monitoring method and its detector | |
| CN106841807B (en) | Method and system for measuring transition resistance between subway running rail and ground in real time | |
| CN217504991U (en) | Highway bituminous pavement paving temperature measurement mechanism | |
| CN102944221B (en) | System for automatically monitoring vertical displacement of operation track | |
| CN206627091U (en) | A kind of rail traffic platform edges of boards edge invades limit detection means | |
| CN203587058U (en) | Internet of things and laser-based bridge displacement and expansion joint width telemetry system | |
| CN211617721U (en) | Equipment for monitoring rail temperature change of railway steel rail in real time | |
| CN110733534A (en) | rail crawling observation method and system | |
| CN208962015U (en) | For detecting the visual detection robot of fragment-free track slab | |
| CN202066463U (en) | Rail measuring instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |