CN105043263B - Displacement detection system and displacement detecting method for railway equipment - Google Patents
Displacement detection system and displacement detecting method for railway equipment Download PDFInfo
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- CN105043263B CN105043263B CN201510226569.4A CN201510226569A CN105043263B CN 105043263 B CN105043263 B CN 105043263B CN 201510226569 A CN201510226569 A CN 201510226569A CN 105043263 B CN105043263 B CN 105043263B
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Abstract
The present invention is provided to the displacement detection system and displacement detecting method of railway equipment, including photoemission reception device and at least one reflection unit, photoemission reception device includes main control unit, laser, position sensor, reflection unit, the quantity of laser and position sensor is equal and each reflection unit corresponds to a laser and a position sensor, laser configurations into enable its launch laser be irradiated on the reflection unit corresponding to it, position sensor is mounted to receive the laser of the reflection unit reflection corresponding to it, governor circuit is configured to the transmitting of control laser and receives the displacement signal from position sensor and displacement signal is handled to produce displacement detecting result of the reflection unit relative to photoemission reception device；Reflection unit, is made of right-angle prism and is mounted to the direction for making its bevel edge along displacement to be checked.The present invention simplifies measurement process, shortens monitoring cycle, realizes monitoring in real time, reduces error.
Description
Technical field
The invention belongs to railway equipment security fields, are used for iron more particularly to circuit displacement monitoring, more particularly to one kind
The displacement detection system and displacement detecting method of pipeline equipment.
Background technology
The operation security of track traffic is more demanding to circuit service state.Circuit is subjected to displacement to train operating safety
Cause larger threat.And high-speed railway circuit is influenced during operation by train operation and natural cause, easily there is position
The situation moved and deformed, for example, subgrade settlement, extremely frigid zones circuit frost heave, track plates displacement etc..Since China express railway is more
Using non-fragment orbit, therefore when circuit deforms, can only be adjusted by fastener, adjusting range is extremely limited.Work as circuit
Displacement and when deforming larger, the safe for operation of train will be seriously endangered, it is therefore necessary to which displacement to circuit and deformation carry out
Monitoring.For city rail traffic route, since subway tunnel structure is long and narrow, rigidity is relatively low, and buried regions is shallower, and long-time bearing
Iron train high-speed cruising, easily occurs to settle and causes the local deformation in tunnel.Therefore the fortune of subway tunnel settlement influence train
Row safety, it is necessary to effectively monitored to sedimentation.
The research of high-speed railway circuit displacement at present and deformation is concentrated mainly on the monitoring of subgrade settlement.Traditional monitoring side
Method is typically to set observation stake in circuit, and the position for observing stake is measured using total powerstation, and is accurately controlled with CP III
The settling amount of circuit is calculated on the basis of net.This method measurement accuracy is higher, but measurement implementation amount is big, and process is more multiple
Miscellaneous, monitoring cycle is usually longer, it is difficult to realizes monitoring in real time.In order to pinpoint the problems at the first time, it is necessary to circuit displacement into
Row monitoring in real time.
Subgrade settlement merely causes a factor of circuit displacement, under the action of the long-term high-speed cruising of train, track plates
Horizontal and vertical plastic deformation and displacement occurs.The operation security of train can be also influenced when displacement is larger.At present also
Not specifically for the on-line monitoring system of track plates displacement.
For subway line, existing subway tunnel sedimentation detection is mainly by setting prison between two rails of online way bed
Measuring point, generally sets 1 point every 50~60m, needs to encrypt in the section of features as poor geologic condition or rich groundwater.In section both sides
The sedimentation situation of monitoring point is measured by spirit level.Tunnel subsidence monitoring point quantity is more, and dark in tunnel, measuring point is more, folding
It is wide, therefore traditional measurement method measurement sedimentation is more time-consuming and laborious, measurement error is also larger, and measurement period is longer, it is difficult to real
Existing automatic measurement, is unfavorable for analyzing the sedimentation situation in tunnel.
Therefore, problems of the prior art include：Measurement implementation amount is big, and process is complex, monitoring cycle
It is usually longer, it is difficult to realize monitoring in real time, measurement error is also larger, to realize automatic measurement, is unfavorable for analyzing the sedimentation in tunnel
Situation.
The content of the invention
In order to solve the problems, such as one or more of the prior art, it is proposed that the present invention.
According to an aspect of the invention, there is provided a kind of displacement detection system for railway equipment, which includes
Photoemission reception device and at least one reflection unit, the photoemission reception device include main control unit, at least one
Laser, at least one position sensor, wherein, at least one reflection unit, at least one laser and institute
The quantity for stating at least one position sensor is equal and each reflection unit corresponds to a laser and a position sensing member
Part, the laser configurations are irradiated on the reflection unit corresponding to it into the laser for enabling it to launch, the position
Sensing element is mounted to receive the laser of the reflection unit reflection corresponding to it, and the governor circuit is configured to control
Make the laser transmitting and receive the displacement signal from the position sensor and to institute's displacement signal at
Manage to produce displacement detecting result of the reflection unit relative to the photoemission reception device；The reflection unit, by
Right-angle prism is formed, and the reflection unit is mounted to make its bevel edge along the direction where displacement to be checked.
Further, the displacement detection system is used for the base board for detecting railway, vertically pacifies on the base board
Equipped with base board column, the reflection unit is installed on the base board column.
Further, the photoemission reception device is installed on benchmark column, and the benchmark column is fixed to ground
Upper and fixed depth is sufficient so that the benchmark column and is not subjected to displacement.
Further, the displacement detection system is used to detect vertically and along railroad rail prolonging for the base board
The displacement in direction is stretched, wherein, the displacement detection system includes the first reflection unit and the second reflection unit and described first
Second corresponding to first laser device and first position sensing element and second reflection unit corresponding to reflection unit swashs
Light device and second place sensing element, wherein, first reflection unit is mounted to make its bevel edge along the vertical direction, described
Second reflection unit is mounted to make its bevel edge along the rail extending direction.
Further, the photoemission reception device with graduated displacement platform by being installed on the benchmark column
On, the photoemission reception device can be moved relative to the benchmark column along the direction of displacement to be measured.
Further, it is attached between the reflection unit and the base board column by universal turning bench, described ten thousand
The posture of the reflection unit can be adjusted to holder.
According to another aspect of the present invention, there is provided a kind of displacement detection system for railway equipment, the system include N
A photoemission reception device A1~AN and N number of reflection unit B1~BN, each photoemission reception device include swashing
Light device, position sensor and main control unit, wherein：First photoemission reception device A1 is installed on platform and is used as benchmark
Point, is arranged at intervals N number of measurement point T1~TN, the photoemission reception device A2~AN pacifies respectively along railroad rail extending direction
At the measurement point T1~TN-1, the reflection unit B1~BN is separately mounted at the measurement point T1~TN, wherein,
1<=i<The laser configurations of=N, i-th of photoemission reception device Ai into make its launch laser be irradiated to i-th reflection
On device Bi, the position sensor of i-th of the photoemission reception device Ai is mounted to receive the reflection dress
The laser of Bi reflections is put, the governor circuit of i-th of the photoemission reception device Ai is configured to control the transmitting of its laser
And receive the displacement signal from its position sensor and institute's displacement signal is handled to produce the i-th measurement point Ti phases
The testing result of displacement for measurement point where the photoemission reception device Ai；The reflection unit, by right-angle prism
Form, the reflection unit is mounted to make its bevel edge along direction of displacement to be detected.
Further, the displacement detection system is used to detecting the base board of Along Railway, and the 1st~N number of photoemission connects
Receiving apparatus A1~N is installed on the base board；Or tunnel of the displacement detection system for detecting Along Railway, the 1st
~N number of photoemission reception device A1~N is installed in tunnel wall.
According to another aspect of the present invention, there is provided a kind of displacement detecting method for railway equipment, it is characterised in that
Comprise the following steps：
S1：At least one reflection unit that right-angle prism is formed is installed, makes the bevel edge of each reflection unit along location to be checked
Direction where moving is set；
S2：Photoemission reception device is configured, the photoemission reception device includes main control unit, at least one laser
Device, at least one position sensor, wherein, at least one reflection unit, at least one laser and it is described extremely
A few position sensor is arranged to that quantity is equal and each reflection unit corresponds to a laser and a position sensing member
Part；
S3：Configure the laser and it is launched laser its laser under the control of the governor circuit and be irradiated to
On the corresponding reflection unit, and configure the position sensor and can receive corresponding reflection dress
Put the laser of reflection；
S4：The governor circuit is configured to receive the displacement signal from the position sensor and the displacement is believed
Number handled to produce displacement detecting result of the reflection unit relative to the photoemission reception device.
Further, the step S3 includes the following steps：
A1：Using the laser instrument for marking line releasing horizontal direction being temporarily installed in the photoemission reception device and vertically
The laser rays in direction is as installation reference line, by adjusting fixing bolt to ensure the photoemission reception device positioned at vertical
Direction, and ensure the laser level that the photoemission reception device is launched, wherein, the fixing bolt is used for the light
Electric sending and receiving apparatus is movably installed to benchmark column；
A2：The top half of the prism of the reflection unit is first blocked with black belt so that the photoemission receives
Device launches laser beam, wherein, the optics through prism internal communication is blocked, what the surface only through the prism was directly reflected
Light is reflected back the photoemission reception device, then pitching and the rotation angle of the reflection unit are adjusted by holder, makes
Obtain reflected light to overlap with transmitting light, the surface and transmitting optical vertical, the holder for ensureing the prism are used for the survey
Amount device is movably attached on base board column；
A3：The black belt on the prism is removed, adjusts the angle of inclination of the reflection unit so that through prism
The light of internal communication is irradiated on the position sensor so that the hypotenuse surface of the prism is overlapped with vertical direction.
By disclosure provided above, the advantageous effects better than the prior art are realized, such as：Reduce measurement
Implementation amount, simplifies measurement process, shortens monitoring cycle, realizes real-time monitoring, reduces measurement error, realizes
Automatic measurement, easy to analyze the sedimentation situation in tunnel.
Brief description of the drawings
In order to enable those skilled in the art are clearly understood that the present invention and can implement the present invention, there is provided constitution instruction
The attached drawing of a part, but it is not intended that all features shown in attached drawing are to realize that the technique effect institute of the application is necessary
's.The scope of the application is not limited by the accompanying figures, and the scope of the application is defined by the appended claims.
Fig. 1 shows single direction line displacement measurement principle.
Fig. 2 is the schematic diagram according to one embodiment of the present of invention, wherein, show vertical circuit displacement monitor
Arrangement.
Fig. 3 is the schematic diagram according to an alternative embodiment of the invention, shows the circuit displacement monitoring along rail longitudinal direction
The arrangement of device.
Fig. 4 is the equipment arrangement that Subway Tunnel Displacement monitoring is realized according to the schematic diagram of another embodiment of the present invention.
Fig. 5 shows the schematic diagram of the pose adjustment of reflection unit.
Embodiment
The exemplary embodiment of the present invention is discussed in detail with reference to the accompanying drawings.The purpose of these exemplary embodiments is provided
It is so that those of ordinary skill in the art according to description here, can realize this hair it can be clearly understood that the present invention
It is bright.The drawings and specific embodiments, which are not intended to, to be limited the invention, and the scope thereof is determined by the claims that follow.
First introduce the application and measure measuring principle used in displacement.Fig. 1 shows that single direction line displacement measurement is former
Reason.Fig. 1 shows reflection unit 2, the photoemission reception device 1 and data transfer that are set corresponding to the reflection unit 2
Equipment 3.The reflection unit 2 can be right-angle prism.Photoemission reception device 1 can include laser 11, position sensing member
Part (PSD) 12 and master control set 13.Laser 11 can launch laser under the control of governor circuit 13.2 He of reflection unit
The photoemission reception device 1 is set with being mutually matched so that the laser that laser 11 is launched can be irradiated on reflection unit 2
And reflexed to through the reflection unit 2 on the position sensor (PSD) 12, PSD outputs signal to governor circuit 13, governor circuit
It is connected with the data transmission set 3, measurement result can be transferred to data center.This is installed thereon in such manner, it is possible to measure
Displacement on the bevel edge place direction along the right-angle prism of the object of reflection unit 2.
According to an aspect of the invention, there is provided a kind of displacement detection system for railway equipment, which can be with
Including photoemission reception device and one or more reflection units.The photoemission reception device can include master control list
Member, one or more lasers, one or more position sensors, here, reflection unit, laser and position sensor
Quantity be equal, in general, each reflection unit can correspond to a laser and a position sensor.The laser
The laser that device can be configured to enable it to launch is irradiated on the reflection unit corresponding to it, the position sensor
The laser for the reflection unit reflection for being mounted to receive corresponding to it, the governor circuit are configured to control described sharp
Light device is launched and receives the displacement signal from the position sensor and institute's displacement signal is handled to produce
The reflection unit relative to the photoemission reception device displacement detecting result.Reflection unit can be by right-angle prism structure
Into the reflection unit is mounted to make its bevel edge along the direction where displacement to be checked.
Referring to Fig. 2, Fig. 2 is the schematic diagram according to one embodiment of the present of invention, wherein, show vertical circuit displacement prison
Survey the arrangement of device.In this embodiment, reflection unit 2 is a right-angle prism placed vertically.In this embodiment, it is described
Displacement detection system is used for the base board 102 for detecting railway, and base board column 4 is vertically provided with the base board 102,
The reflection unit is installed on the base board column 4.
It can further be seen that the photoemission reception device 1 is installed on a benchmark column 101 from Fig. 2, the benchmark
Column 101 is fixed on ground, its depth fixed needs to be sufficient so that the benchmark column 101 not to be subjected to displacement.
The reflection unit 2 and the photoemission reception device 1 are relatively installed so that photoemission reception device 1
In the laser launched of laser 11 be irradiated on the face where the bevel edge of reflection unit 2, the reflection unit 2 reflects this and swashs
Light, and then, the laser reflected is irradiated on the position sensor (PSD) 12 (referring to attached Fig. 1 and 2).
PSD exports signal after the processing of governor circuit 13, can detect the position that the laser is radiated on PSD.Specifically,
When vertical deviation occurs for reflection unit 2, as reflection unit drops to the position shown in dotted line, the laser link of reflection in Fig. 1
To be changed (dotted arrow in such as Fig. 1), so that position of the refracted laser illumination on PSD changes.Governor circuit
The length travel of circuit can be calculated according to the PSD changes exported.However, when longitudinal direction (along line direction) position occurs for circuit
During shifting, reflected light path does not change, and will not cause the change of measurement result, when lateral displacement occurs for same circuit, reflection
The position that illumination is mapped on PSD is also constant.Governor circuit is connected with data transmission set 3, measurement result can be transferred to number
According to center.Data transmission set is 3G wireless routers in the present embodiment, internet can be connected, so as to transmit data to
Any server on internet.
Ideally, the displacement of circuit vertical direction is amplified twice by light path, it is assumed that and it is x that vertical deviation, which occurs, for circuit,
Reflection light position mobile 2x on PSD, so as to improve the measurement accuracy of circuit displacement.
In general, on high ferro circuit, every 50m or so is equipped with a CP III column, can be as needed with appropriate interval
The photoemission reception device and reflection unit are set, monitored so as to fulfill the vertical deviation of whole circuit.
Preferably, displacement detection system according to the present invention can be used for detecting the base board 102 vertically
(vertical direction, referring to Fig. 2) and the displacement along railroad rail extending direction (longitudinal direction, Fig. 3), Fig. 3 are according to the another of the present invention
The schematic diagram of a embodiment, shows the arrangement of the circuit displacement monitor along rail longitudinal direction.The displacement detection system bag
Include the first reflection unit and the second reflection unit and the first laser device corresponding to first reflection unit and first position
Second laser and second place sensing element corresponding to sensing element and second reflection unit.In this embodiment,
First reflection unit is mounted to make its bevel edge that second reflection unit is mounted to make its bevel edge edge along the vertical direction
The rail extending direction.So by installing two reflection units and its respective laser and position sensing member
Part, it is possible to achieve for measurement of the object along the displacement of both direction.
Preferably, the photoemission reception device can be by standing with graduated displacement platform installed in the benchmark
On column, the photoemission reception device can be moved relative to the benchmark column along the direction of displacement to be measured.
Alternatively, according to one embodiment of present invention, the photoemission reception device 1 is by one with accurate
The displacement platform of the vertical direction of scale is connected with CP III columns 101, it can be achieved that photoemission reception device 1 is in vertical direction essence
It is really mobile.The calibration of detecting system can be conveniently realized by adjusting the position of photoemission reception device.
Since device mismachining tolerance, installation error etc. influence, the light path of the detecting system can not possibly with perfect condition always,
Therefore need to demarcate detecting system, but the displacement needed for calibration can not be artificially given after being fixed due to measuring device,
And photoemission reception device adjusts downwards certain displacement and identical displacement is moved up equivalent to measuring device, therefore pass through
Adjusting the position of photoemission reception device can be demarcated with analog line displacement.
In addition, the position for adjusting photoemission reception device can also extend the range of detecting system.The amount of detecting system
Journey is limited by PSD length, and when circuit displacement exceedes system detectio range, reflection laser beam is emitted onto outside PSD, at this time may be used
With the position by adjusting photoemission reception device so that reflection laser Shu Chongxin is irradiated to PSD centers, and records displacement platform
Adjustment amount x, if adjusting upward as just.Measured value after adjustment can be corrected by adjusting amount, if being calculated after adjustment
Measured value be w, then actual track displacement is w+x.
Preferably due to which the machining accuracy of base board 102 is relatively low, it generally can not ensure severity, the reflection unit 2
It is attached between the base board column 4 by universal turning bench, the universal turning bench can adjust the reflection unit
Posture.In this way, the posture of reflection unit 2 can be adjusted to ensure that measuring device can be vertical.It is being adjusted to require
Posture when, universal turning bench can be fixed.
According to another aspect of the present invention, there is provided a kind of displacement detection system for railway equipment, referring to Fig. 4, shows
Go out schematic diagram according to still another embodiment of the invention, realize the equipment arrangement of Subway Tunnel Displacement monitoring.The system bag
N number of photoemission reception device A1~AN and N number of reflection unit B1~BN is included, each photoemission reception device includes
Laser, position sensor and main control unit, wherein：First photoemission reception device A1 is installed on platform and is used as base
On schedule, N number of measurement point T1~TN, photoemission reception device A2~AN difference are arranged at intervals along railroad rail extending direction
At the measurement point T1~TN-1, the reflection unit B1~BN is separately mounted at the measurement point T1~TN.It is false
If i is integer, 1<=i<The laser configurations of=N, i-th of photoemission reception device Ai are irradiated into the laser for launching it
On i-th reflection unit Bi, the position sensor of i-th of the photoemission reception device Ai is mounted to receive institute
The laser of reflection unit Bi reflections is stated, the governor circuit of i-th of the photoemission reception device Ai is configured to control its laser
Launching and receiving the displacement signal from its position sensor and handled institute's displacement signal for device is surveyed with producing i-th
Measure the testing result of displacements of the point Ti relative to measurement point where the photoemission reception device Ai.In this embodiment, institute
It is also to be made of right-angle prism to state reflection unit, and the reflection unit is mounted to make its bevel edge along direction of displacement to be detected.
Preferably, the displacement detection system can be used for the base board for detecting Along Railway, the 1st~N number of photoemission
Reception device A1~N may be mounted on the base board.Alternatively, the displacement detection system can be used for detection iron
The tunnel of curb line, in this case, the 1st~N number of photoemission reception device A1~N may be mounted in tunnel wall.
According to another aspect of the present invention, there is provided a kind of displacement detecting method for railway equipment, this method include
Following steps：
(S1) one or more reflection units that right-angle prism is formed are installed, make the bevel edge of each reflection unit along to be detected
Direction where displacement is set；
(S2) photoemission reception device is configured, the photoemission reception device includes main control unit, one or more
Laser, one or more position sensors, wherein, reflection unit, laser and position sensor are arranged to quantity phase
Deng each reflection unit one laser of correspondence and a position sensor；
(S3) laser is configured, it is launched laser its laser under the control of the governor circuit and irradiates
Onto the corresponding reflection unit；The corresponding reflection unit can be received by configuring the position sensor
The laser of reflection；
(S4) governor circuit is configured, to receive the displacement signal from the position sensor and to the displacement
Signal is handled to produce displacement detecting result of the reflection unit relative to the photoemission reception device.
In the following, in order to enable those skilled in the art can implement the present invention, there is provided several illustrative examples：
Example 1：
Fig. 2 illustrates a kind of schematic diagram of method for arranging of the present invention.The method for arranging can be used for measuring hanging down for circuit
To displacement (sedimentation or frost heave etc. cause), and from the influence of vertical and horizontal displacement.Displacement detection system is mainly sent out by photoelectricity
Reception device 1 is penetrated to form with reflection unit 2.Photoemission reception device 1 is installed on CP III columns 101, CP III columns
It is fixed on and can consider and will not be subjected to displacement on deeper ground, therefore can be as the measuring basis of circuit displacement.Reflection dress
Put 2 to be installed on circuit base board 102 by column 4, the side of track plates 103.Reflection unit 2 is subjected to displacement with circuit, because
The displacement of this reflection unit 2 is circuit displacement.Fig. 1 shows the measuring principle schematic diagram of the method for arranging.Photoemission connects
Receiving apparatus 1 includes laser 11, and laser can be launched under the control of governor circuit 13, and the laser of transmitting is reflected through reflection unit 2,
Reflection unit 2 is a right-angle prism placed vertically in this example, and the laser of reflection is radiated at position sensor (PSD) 12
On, PSD exports signal can detect the position that laser is radiated on PSD after the processing of governor circuit 13.When reflection unit 2 occurs
During vertical deviation, as reflection unit drops to the position shown in dotted line in Fig. 1, the laser link of reflection will change (such as Fig. 1
In dotted arrow), so that position of the refracted laser illumination on PSD changes.The change that governor circuit is exported according to PSD
The length travel of circuit can be calculated.When longitudinal direction (along line direction) displacement occurs for circuit, reflected light path does not occur
Change, the change of measurement result will not be caused, when lateral displacement occurs for same circuit, reflected light is irradiated to the position on PSD
It is constant.Governor circuit is connected with data transmission set 3, measurement result can be transferred to data center.Data in this example
Transmission equipment is 3G wireless routers, can connect internet, so as to transmit data to any service on internet
Device.
Ideally the displacement of circuit vertical direction is amplified twice by light path, if it is x that vertical deviation, which occurs, for circuit, reflection
Ray position mobile 2x on PSD, so as to improve the measurement accuracy of circuit displacement.
Every 50m or so is equipped with a CP III column on high ferro circuit, can be as needed with appropriate interval setting light
Electric sending and receiving apparatus and reflection unit, monitor so as to fulfill the vertical deviation of whole circuit.
Since the machining accuracy of base board 102 is relatively low, it generally can not ensure severity, therefore in reflection unit 2 and stand
It is attached, the posture of reflection unit can be adjusted to ensure that reflection unit can by a universal turning bench between column 4
Vertically.In the posture for being adjusted to require, universal turning bench can be consolidated.
The displacement platform and CP III columns that photoemission reception device 1 passes through a vertical direction with exact scale
101 connect, it can be achieved that photoemission reception device 1 is in vertical direction accurate movement.Adjust the position of photoemission reception device
The calibration of detecting system can be conveniently realized.Since device mismachining tolerance, installation error etc. influence, the light path of detecting system is not
May be with perfect condition always, it is therefore desirable to detecting system is demarcated, but can not be artificial after being fixed due to reflection unit
Displacement needed for given calibration.And photoemission reception device adjusts downwards certain displacement and is moved up equivalent to reflection unit
Identical displacement, therefore the position by adjusting photoemission reception device can be demarcated with analog line displacement.In addition adjust
The position of section photoemission reception device can also extend the range of detecting system.The range of detecting system is limited by PSD length
System, when circuit displacement exceedes system detectio range, reflection laser beam is emitted onto outside PSD, at this time can be by adjusting photoelectricity
The position of sending and receiving apparatus so that reflection laser Shu Chongxin is irradiated to PSD centers, and records the adjustment amount x of displacement platform, if to
On be adjusted to just.Measured value after adjustment can be corrected by adjusting amount, if the measured value being calculated after adjustment is w, then
Actual track displacement is w+x.
Example 2：
Fig. 3 illustrates another method for arranging of the present invention, which can realize that the length travel of circuit displacement is surveyed
Amount.Reflection unit 2 is a horizontal positioned right-angle prism in Fig. 3, and laser and PSD are into level in photoemission reception device
Place.Measuring principle is identical with example one.This example can also be combined with example one at the same time, reflection unit is changed to two
One horizontal positioned another of right-angle prism is disposed vertically, while photoemission reception device is configured to horizontal positioned and vertical
The two groups of lasers and PSD placed, it is possible to achieve measure vertical and length travel at the same time in same measurement point.
Example 3：
Fig. 4 illustrates the arrangement schematic diagram that Subway Tunnel Displacement monitoring is realized using apparatus of the present invention.Utilize one group of sedimentation
Detection device can realize the sedimentation detection of a measurement point, in order to realize the settlement monitoring in whole section, more sets can be used heavy
The mode that drop detection device transmits mutually detection carries out.As shown in figure 4, system receives dress in platform datum mark installation photoemission
Put, each measurement point in section installs speculum and photoemission reception device, the photoelectricity hair of so previous point at the same time
Penetrate reception device and the speculum of latter measurement point forms a set of settlement detecting device, the opposite position between two points can be monitored
Move.So detection device can be opposite with measurement point 1 according to datum mark by network connection to monitoring center, monitoring center
Relative displacement between displacement and each measurement point calculates the sedimentation situation in whole section.Monitoring center can be by detection
Device sends the commands to the automatic progress of control measurement.
When being installed in section, measurement point may be alternatively mounted in tunnel wall, in order to avoid fouling of clearance gauge may be mounted at
The higher position in tunnel side.Every 50m of linear section or so installs one group of measuring apparatus, and curve section is then needed according to curve half
Footpath, to ensure that light straightline propagation as standard, can suitably shorten installation interval between two groups of equipment.
Example 4：
This example illustrates accurate installation and the method for adjustment of a kind of detecting system with the arrangement of example 1.The adjustment side
Method includes the following steps：
The first step：Accurate installation photoemission reception device.Using laser instrument for marking line, horizontal direction and vertical direction are released
Laser rays as installation reference line.The installation of photoemission reception device is caused to ensure to erect by adjusting fixing bolt during installation
Directly, and ensure photoemission reception device transmitting laser level.
Second step：As shown in figure 5, the top half of prism is first blocked with black belt so that photoemission reception device
Launch laser beam.Since the top half of prism is blocked, the optics through prism internal communication is blocked, only through prism surface
The light directly reflected is reflected back photoelectric receiving arrangement.Pitching and the rotation angle of prism are adjusted by holder at this time so that anti-
Penetrate light to overlap with transmitting light, that is, ensure prism surface and transmitting optical vertical.
3rd step：Remove the angle of inclination blocked adhesive tape, adjust reflection unit on prism so that through prism internal communication
Light be irradiated on PSD, i.e., so that prism overlapped with vertical direction.
By it is provided above according to an embodiment of the invention, realize the advantageous effects better than the prior art, example
Such as：Measurement workload is reduced, simplifies measurement process, shortens monitoring cycle, realization monitoring in real time, reduces measurement error, realize certainly
Dynamic measurement, obtains sedimentation situation
Foregoing provide multiple preferred or exemplary embodiments of the present invention, in order to more clearly describe this hair
It is bright, intactly transmit protection scope of the present invention to those skilled in the art so that those skilled in the art are according to the present invention
Description can realize technical scheme.The feature in each embodiment can be combined with each other or omit or add above
Add, form new embodiment.Description can transform each embodiment those skilled in the art according to the present invention, and this
A little new embodiments and transformation should be included within the scope of the present invention.
Claims (9)
1. a kind of displacement detection system for railway equipment, it is characterised in that including photoemission reception device and at least one
A reflection unit, the photoemission reception device include main control unit, at least one laser, at least one position sensing member
Part, wherein, the number of at least one reflection unit, at least one laser and at least one position sensor
Measure equal and each reflection unit and correspond to a laser and a position sensor,
The laser configurations are irradiated on the reflection unit corresponding to it into the laser for enabling it to launch, the position
Sensing element is mounted to receive the laser of the reflection unit reflection corresponding to it, and the governor circuit is configured to control
Make the laser transmitting and receive the displacement signal from the position sensor and to institute's displacement signal at
Manage to produce displacement detecting result of the reflection unit relative to the photoemission reception device；
The reflection unit, is made of right-angle prism, and the reflection unit is mounted to make where its bevel edge along displacement to be checked
Direction.
2. the displacement detection system according to claim 1 for railway equipment, it is characterised in that the displacement detecting system
System is used for the base board for detecting railway, and base board column, the reflection unit installation are vertically provided with the base board
On the base board column.
3. the displacement detection system according to claim 2 for railway equipment, it is characterised in that the photoemission connects
Receiving apparatus is installed on benchmark column, and the benchmark column is fixed on ground and fixed depth is sufficient so that the benchmark and stands
Column is not subjected to displacement.
4. the displacement detection system according to claim 3 for railway equipment, it is characterised in that the displacement detecting system
System be used for detect the base board vertically and the displacement along railroad rail extending direction, wherein, the displacement detecting
System includes the first reflection unit and the second reflection unit and first laser device corresponding to first reflection unit and the
Second laser and second place sensing element corresponding to one position sensor and second reflection unit, wherein, institute
State the first reflection unit and be mounted to make its bevel edge that second reflection unit is mounted to make its bevel edge along institute along the vertical direction
State rail extending direction.
5. the displacement detection system according to claim 3 for railway equipment, it is characterised in that the photoemission connects
For receiving apparatus by being installed on graduated displacement platform on the benchmark column, the photoemission reception device can be opposite
Moved in the benchmark column along the direction of displacement to be measured.
6. the displacement detection system according to claim 2 for railway equipment, it is characterised in that the reflection unit with
It is attached between the base board column by universal turning bench, the universal turning bench can adjust the appearance of the reflection unit
State.
7. a kind of displacement detection system for railway equipment, it is characterised in that including N number of photoemission reception device A1~AN
And N number of reflection unit B1~BN, each photoemission reception device includes laser, position sensor and master control list
Member, wherein：
First photoemission reception device A1Datum mark is used as on platform, N is arranged at intervals along railroad rail extending direction
A measurement point T1~TN, the photoemission reception device A2~ANIt is separately mounted to the measurement point T1~TN-1Place, the reflection
Device B1~BNIt is separately mounted to the measurement point T1~TNPlace,
Wherein, 1<=i<=N, i-th of photoemission reception device AiLaser configurations into making its laser launched be irradiated to the
The reflection unit B of iiOn, i-th of the photoemission reception device AiPosition sensor be mounted to described in reception
Reflection unit BiThe laser of reflection, i-th of the photoemission reception device AiGovernor circuit be configured to control its laser
Launch and receive the displacement signal from its position sensor and institute's displacement signal is handled to produce the i-th measurement point
TiRelative to the photoemission reception device AiThe testing result of the displacement of place measurement point；
The reflection unit, is made of right-angle prism, and the reflection unit is mounted to make its bevel edge along direction of displacement to be detected.
8. the displacement detection system according to claim 7 for railway equipment, it is characterised in that the displacement detecting system
System is used to detecting the base board of Along Railway, the 1st~N number of photoemission reception device A1~NOn the base board；Or
The displacement detection system is used to detecting the tunnel of Along Railway, the 1st~N number of photoemission reception device A1~NInstalled in tunnel
On wall.
9. a kind of displacement detecting method for railway equipment, it is characterised in that comprise the following steps：
S1：At least one reflection unit that right-angle prism is formed is installed, makes the bevel edge of each reflection unit along displacement institute to be checked
Direction set；
S2：Configure photoemission reception device, the photoemission reception device include main control unit, at least one laser,
At least one position sensor, wherein, at least one reflection unit, at least one laser and described at least one
A position sensor is arranged to that quantity is equal and each reflection unit corresponds to a laser and a position sensor；
S3：Configure the laser enable its launch under the control of the governor circuit laser its laser be irradiated to pair
On the reflection unit answered, and configure the position sensor can to receive the corresponding reflection unit anti-
The laser penetrated；
S4：Configure the governor circuit with receive the displacement signal from the position sensor and to institute's displacement signal into
Row processing is to produce the reflection unit relative to the displacement detecting of the photoemission reception device as a result, wherein, the step
Rapid S3 includes the following steps：
A1：Horizontal direction and vertical direction are released using the laser instrument for marking line being temporarily installed in the photoemission reception device
Laser rays as installation reference line, by adjusting fixing bolt to ensure the photoemission reception device positioned at vertical side
To, and ensure the laser level that the photoemission reception device is launched, wherein, the fixing bolt is used for the photoelectricity
Sending and receiving apparatus is movably installed to benchmark column；
A2：The top half of the prism of the reflection unit is first blocked with black belt so that the photoemission reception device
Launch laser beam, wherein, the optics through prism internal communication is blocked, the light that the surface only through the prism is directly reflected
The photoemission reception device is reflected back, then pitching and the rotation angle of the reflection unit are adjusted by holder so that is anti-
Penetrate light to overlap with transmitting light, ensure surface and the transmitting optical vertical of the prism, the holder is used for can by measuring device
It is movably installed on base board column；
A3：The black belt on the prism is removed, adjusts the angle of inclination of the reflection unit so that inside prism
The light of propagation is irradiated on the position sensor so that the hypotenuse surface of the prism is overlapped with vertical direction.
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