A kind of monitoring system and method for subgrade settlement
Technical field
The present invention relates to subgrade settlement to monitor field, the monitoring system and method for more particularly to a kind of subgrade settlement.
Background technology
Roadbed is an important component of railway project, is subject to the base of track structure weight and train load
Most weak most unstable link in plinth, and line project.In the construction of engineering and after completion, roadbed in load and
Inevitably deform under the action of other factors, generation uniformly or non-uniformly settles.Settlement after construction is particularly uneven
Sedimentation be likely to cause the cracking of railway agent structure, crooked and destroy, while it is also possible to the building around engineering
And underground utilities generate certain influence.Therefore consider from the construction quality secure context of railway, it is necessary to sink to roadbed
Drop is monitored and controls.
Common method currently used for subgrade settlement monitoring has:1st, heavy board-descending method;Plate base is settled with subgrade settlement, is led to
The measuring staff being connected with base is crossed, the subgrade settlement value that base buries place can be measured.But easily destroyed in construction, and damage
Remedying after bad is extremely difficult, wherein, a sedimentation plate can only measure the sedimentation of any in embankment, belong to spot measurement.2nd, supervise
Pile method:Monitoring stake is hammered into soil with timber and drill rod, is maintained an equal level with spirit level, you can measures the settling amount of soil body surface.3rd, water
Flat inclinometer:By testing the lateral displacement of ground, the stability of foundation soil is judged, and sink caused by estimation lateral displacement
Drop.4th, hydraulic type Section type settlement instrument:Underground various point locations to be measured will be embedded to beforehand through bore mode with foraminate partition plate,
Sedimentation value at this can be measured by measuring the hydraulic pressure at partition plate.5th, magnet ring sedimentometer:It is after drilling machine pore-forming, layering is heavy
Drop pipe and magnet ring delaminating deposition marks are put into hole, with the depth of electromagnetic induction signal reaction sedimentation ring.But the correct of magnet ring is put
Difficulty is put, the flexible influence precision of scale itself, has interference to fill construction.
Therefore, when in face of the settlement measurement of flat segments railway bed, above method is traditional building mensuration, general
Store-through is low in measurement accuracy, it is necessary to manual operation, information transfer rate are slow, settling amount that single place can only be measured, installation and
The shortcomings of inconvenient to use, be unfavorable for the real-time monitoring of a wide range of subgrade settlement.
The content of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of monitoring system of subgrade settlement, tool
There is the characteristics of monitoring a wide range of subgrade settlement in real time.
The present invention above-mentioned technical purpose technical scheme is that:
The monitoring system of a kind of subgrade settlement, including be arranged in the reference stake in stretch base on the basement rock of both ends, the roadbed in
If being arranged in equal spacing with dry deposition stake between two reference stakes, which further includes guide rail, monitoring car and monitoring center;
Guide rail is located on reference stake and sedimentation stake by some bracing members, and guide rail place opposite with each sedimentation stake is provided with
Position mark thing;
Monitoring car includes car body and monitoring vehicle controller, and the electronic guide wheel being connected with monitoring vehicle controller is provided with the car body
Component, the car body are erected on guide rail by electronic guide wheel assembly, and position detector, height detection are provided with the car body
Device and communication module, the position detector are connected with monitoring vehicle controller for the position mark thing on detection guide rail,
The height detecting device is connected with monitoring vehicle controller for obtaining car when car body rests on position mark thing one by one
Height value, the communication module are used to send acquired height of the carbody value to monitoring center.
Through the above technical solutions, monitoring car can be moved along guide rail, car body is measured when being moved in a sedimentation stake
Height value, and height of the carbody value is fed back into monitoring center and is monitored in real time, thus, by the setting of the monitoring car, in face
During to the settlement measurement of railway or highway flat segments roadbed, by measuring analysis to each sedimentation stake, so as to realize
The monitoring of a wide range of subgrade settlement, in a manner of abandoning manual measurement, so as to effectively increase the convenience of subgrade settlement monitoring.
Preferably, the guide rail is provided with conductive core, the initiating terminal and power supply of conductive core along its length
It is connected, the power module for providing monitoring car electric energy is provided with the car body, the bottom of the car body is provided with and conduction
The conductive contact of battery core contact, is provided with conductor cable on the car body, one end of the conductor cable is connected with conductive contact
And the other end is connected with the input terminal of power module.
Through the above technical solutions, conductive core is connected with power supply, the conductor cable on car body passes through conductive contact
It is in contact with conductive core, thus, conductive core can charge for power module in real time, be reached for monitoring car and be powered
Purpose, thus, monitoring car can the whole operation without the stage on the guideway, to improve the efficiency of roadbed anti-sedimentation monitoring;Its
In, after power supply powers off, the electric energy stored by power module also can accordingly provide necessarily for the operation of monitoring car
Continuation of the journey.
Preferably, the power module is lithium battery.
Through the above technical solutions, lithium battery robust performance, can meet the use of the monitoring car.
Preferably, the position detector uses close to switch, the position mark thing and uses metal detection body.
Through the above technical solutions, when monitoring car is moved on the guide rail above sedimentation stake, it is close on car body
Switch will be opposite with the metal detection body on guide rail, thus, is examined close to switch output signal to vehicle controller, control height is monitored
Survey device and detect height of the carbody value on the position.
Preferably, the height detecting device include being slidably mounted on stent in car body and outside car body and with
The infrared receiver that stent is connected, is provided with the screw being connected with stent in the car body, is provided with the car body and silk
Bar is connected for driving the lifting motor of infrared receiver oscilaltion, and monitoring coding is provided with the lifting motor
Device;
One end of the guide rail is provided with RF transmitter;
When position detector detects the position mark thing on guide rail, the monitoring vehicle controller control infrared receiver opens
Move and judge whether to receive the infrared light that RF transmitter is sent, if it is not, it is infrared to adjust then to control lifting motor to rotate
Line receiver upper-lower position, and determine whether infrared receiver receives the infrared light that RF transmitter is sent,
If so, the height adjusted value of monitoring encoder record is then obtained, and to obtain height of the carbody compared with default altitude datum value
Value.
Through the above technical solutions, lifting motor controlled rotation can drive screw to rotate, driving arm is reached by screw
Oscilaltion, so as to achieve the purpose that infrared receiver oscilaltion;In the starting stage so that RF transmitter with it is infrared
Line receiver keeps horizontal opposite, and when monitoring car is moved in sedimentation stake, monitor controller control infrared receiver obtains electric
Start, if the sedimentation stake does not settle, infrared light that infrared receiver will receive RF transmitter and send;If should
Sedimentation stake settles, and infrared receiver will be unable to receive the infrared light that RF transmitter is sent, at this time, lifting motor
Infrared receiver oscilaltion is driven in rotation, until infrared receiver receives the infrared light that RF transmitter is sent,
At this time, lifting motor stops operating, and by monitoring the rotational angle of encoders monitor lifting motor, which is that this is heavy
Distance, that is, height adjusted value of stake sedimentation is dropped, is derived from the settlement monitoring that height of the carbody value completes sedimentation stake.
Preferably, the monitoring vehicle controller is additionally configured to control after the height adjusted value of monitoring encoder record is obtained
Infrared receiver height and position processed resets.
Through the above technical solutions, infrared receiver oscilaltion is driven when lifting motor rotates, until infrared ray connects
When receipts device receives the infrared light that RF transmitter is sent, lifting motor stops operating, and completes to rise in monitoring encoders monitor
After the rotational angle for dropping motor, monitoring vehicle controller will control lifting motor to reset to " dead-center position ", i.e. infrared receiver
On the position opposite with RF transmitter.
Preferably, the both ends of the guide rail are mounted on plate washer, and the both sides of the car body are both provided with and can be contacted with plate washer
Contact switch, the contact switch with monitoring vehicle controller be connected, it is described monitoring vehicle controller on be connected with timing module;
Trigger signal is exported when contact switch is contacted with plate washer to vehicle controller is monitored, the monitoring vehicle controller is in response to touching
Signal and control the electronic guide wheel assembly out of service, and control electronic guide wheel assembly anti-after predetermined period by timing module
To movement.
Through the above technical solutions, after monitoring car completes a settlement monitoring, the contact switch on car body will touch
On the plate washer of rail end, monitor controller controls electronic guide wheel assembly out of service, and is opened after predetermined period according to contact
The position of pass, such as touches the contact switch in front of car body, will control car body inverted running, i.e., monitors this section of roadbed back and forth
Sedimentation.
Preferably, the memory module for storing acquired height of the carbody value is connected with the monitoring vehicle controller.
Through the above technical solutions, memory module is used to store the height of the carbody value that monitoring vehicle controller obtains, car is avoided
The loss of height value data.
Preferably, monitoring unit and alarm unit are configured with the monitoring center;
The monitoring unit be used for one by one by acquired height of the carbody value with default altitude datum value compared with acquisition
Both differences, and judge whether difference is more than threshold value, if so, then control alarm unit sends information warning.
Through the above technical solutions, when the sedimentation for settling stake is more than threshold value, phase will be provided by way of information warning
Staff is closed, base carries out maintenance and repair to satisfy the need in time.
In view of the deficiencies of the prior art, the present invention intends to provide a kind of monitoring method of subgrade settlement, tool
There is the characteristics of monitoring a wide range of subgrade settlement in real time.
The present invention above-mentioned technical purpose technical scheme is that:
A kind of monitoring method of subgrade settlement, includes the following steps:
Deposition step:Reference stake is installed on the basement rock at stretch base both ends, if being equally spaced between two reference stakes
Guide rail, is erected on reference stake and sedimentation stake by dry deposition stake by supporting rod;
Monitoring step:Control monitoring car is advanced along guide rail, and guide rail of the monitoring car one by one above each sedimentation stake is stopped to obtain
Pick-up height value, acquired height of the carbody value is sent to monitoring center and is monitored in real time;
Circulation step:After monitoring car covers this section of roadbed along guide rail, restarted after predetermined period and reverse along guide rail
It is mobile, to repeat monitoring step.
Through the above technical solutions, by the setting of the monitoring car, when in face of the settlement measurement of railway bed, by right
Each sedimentation stake measures analysis, so as to monitor a wide range of subgrade settlement in real time, in a manner of abandoning manual measurement, from
And effectively increase the convenience of subgrade settlement monitoring.
In conclusion having the beneficial effect that in contrast to the prior art of the invention:
1st, by the setting of the monitoring car, when in face of the settlement measurement of railway bed, by being measured to each sedimentation stake
Analysis, so as to realize the monitoring of a wide range of subgrade settlement;
2nd, the subgrade settlement monitoring mode, abandons the mode of manual measurement, so as to effectively increase the facility of subgrade settlement monitoring
Property;
3rd, can periodically in subgrade settlement monitoring process, oscillation cycle is monitored same end roadbed back and forth, to form week
The data of phase property, in real time to the analysis of roadbed, carry out counter-measure in time.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other features of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is scheme of installation of the technical solution of the present invention middle guide on reference stake and sedimentation stake;
Fig. 2 is the schematic diagram that stake sedimentation is settled in technical solution of the present invention;
Fig. 3 is the detects schematic diagram of height detecting device in technical solution of the present invention;
Fig. 4 is the structure diagram of monitoring car in technical solution of the present invention;
Fig. 5 is the system block diagram of the monitoring center of monitoring car in technical solution of the present invention.
Reference numeral:1st, reference stake;2nd, stake is settled;3rd, guide rail;4th, supporting rod;5th, basement rock;6th, conductive core;7th, car body;
8th, electronic guide wheel assembly;9th, wheel frame;10th, power module;11st, pillar;12nd, conductive contact;13rd, conductor cable;14th, position is marked
Remember thing;15th, position detector;16th, stent;17th, infrared receiver;18th, RF transmitter;19th, connecting rod;20th, screw;
21st, lifting motor;22nd, encoder is monitored;23rd, plate washer;24th, contact switch.
Embodiment
In order to preferably make technical scheme clearly show, the present invention is made below in conjunction with the accompanying drawings into one
Walk explanation.
The purport of the present embodiment is the monitoring for the subgrade settlement that the monitoring to subgrade settlement is introduced, in the present embodiment
System, abandons the mode of manual measurement, when in face of railway or the settlement measurement of highway flat segments or tilting section roadbed, Neng Gouding
When, oscillation cycle is monitored same end roadbed back and forth, to form periodic data, by being carried out to each sedimentation stake 2
Measurement analysis, so as to realize the monitoring of a wide range of subgrade settlement.
Embodiment one
Based on the above, a kind of monitoring system of subgrade settlement is present embodiments provided, with reference to shown in Fig. 1, Fig. 2 and Fig. 3, is wrapped
The reference stake 1 being arranged in stretch base on both ends basement rock 5 is included, roadbed is arranged in equal spacing with some between two reference stakes 1
Stake 2 is settled, reference stake 1 is arranged in the range of the basement rock 5 of roadbed, and sedimentation and deformation does not occur in it, and sedimentation stake 2 is arranged on roadbed,
Its height changes with the sedimentation and deformation of roadbed.In the present embodiment, the height above ground level with sedimentation stake 2 of reference stake 1 exists
Between 10cm ~ 20cm.The spacing of two neighboring sedimentation stake 2 is spaced apart according to the soil property of roadbed, between 20m ~ 25m.
With reference to shown in Fig. 4 and Fig. 5, the monitoring system of the subgrade settlement further includes guide rail 3, monitoring car and monitoring center.
Guide rail 3 is erected on reference stake 1 and sedimentation stake 2 by some supporting rods 4, and guide rail 3 can use weight at this stage
Lighter aluminum alloy material.The shape of guide rail 3 is as shown in figure 4, the bottom of guide rail 3 is in concave shape, in the setting of the both sides of guide rail 3
There is wheel frame 9, guide rail 3 is provided with conductive core 6 along its length, and conductive core 6 is arranged on the interior recess of 3 bottom of guide rail,
Conductive core 6 is provided with two, i.e., respectively cathode and anode, the initiating terminal of two conductive cores 6 are connected with power supply, and two
The end forming circuit of root conductive core 6.
The power supply can be the direct current using storage battery power supply or pass through the converted direct current of alternating current
Electricity.
Wherein, monitoring car includes car body 7 and monitoring vehicle controller, and electronic guide wheel assembly 8 is provided with car body 7, electronic to lead
Wheel assembly 8 is connected with monitoring vehicle controller, and car body 7 is set up on guides 3 by electronic guide wheel assembly 8.Specifically, electronic guide wheel
Component 8 includes the guide wheel motor being installed in car body 7 and is connected to the driving on guide wheel motor output shaft by shaft coupling
Axis, the directive wheel engaged with wheel frame 9 is provided with drive shaft, and monitoring vehicle controller is connected to guide wheel by motor-drive circuit
Motor.Vehicle controller is monitored by controlling electronic guide wheel assembly 8 to may be such that car body 7 is moved along guide rail 3.
What deserves to be explained is being provided with the power module 10 for providing monitoring car electric energy in car body 7, power module 10 is adopted
Use lithium battery.Wherein, the bottom of car body 7 is provided with two pillars 11, and pillar 11 extends to the interior recess of guide rail 3, in pillar 11
End set have conductive contact 12, conductive contact 12 is in contact with conductive core 6, wherein, pillar 11 is made of insulating materials
, conductor cable 13 is provided with pillar 11, one end of conductor cable 13 is connected with conductive contact 12 and the other end passes through the electricity that charges
Road is connected with the input terminal of power module 10.
Place is provided with position mark thing 14 in guide rail 3 and each sedimentation stake 2, wherein, position inspection is provided with car body 7
Device 15, height detecting device and communication module are surveyed, position detector 15 is examined using close to switch, position mark thing 14 using metal
Survey body.Gap is reserved between the bottom of car body 7 and the upper surface of guide rail 3, wherein, position detector 15 is arranged on car body 7
Bottom, position detector 15 are connected with monitoring vehicle controller for the position mark thing 14 on detection guide rail 3, height detection dress
Put and be connected with monitoring vehicle controller for obtaining height of the carbody value when car body 7 rests on position mark thing 14 one by one, its
In, communication module is used to send acquired height of the carbody value to monitoring center.
Specifically, control electronic guide wheel assembly 8 to run in monitoring vehicle controller so that car body 7 along guide rail 3 advance when,
When the position detector 15 of 7 bottom of car body is contacted with position mark thing 14, monitoring vehicle controller controls electronic guide wheel assembly 8 to stop
Operation, obtains height of the carbody value, communication module sends acquired height of the carbody value into monitoring by height detecting device
After the heart, monitoring vehicle controller controls electronic guide wheel assembly 8 to run to drive car body 7 to go to the monitoring of next sedimentation stake 2 again
Point carries out sedimentation detection.Wherein, the memory module being connected with vehicle controller for storing acquired height of the carbody value is monitored.
Monitoring center gets the height of the carbody value of each sedimentation stake 2, wherein, height of the carbody value is to represent sedimentation stake 2
Highly, the subsidence curve of this section of roadbed Time of Day is thus obtained.
What deserves to be explained is monitoring unit and alarm unit are configured with monitoring center;Monitoring unit is used for one by one by institute
The height of the carbody value of acquisition, to obtain both difference, and judges whether difference is more than compared with default altitude datum value
Threshold value, if so, then control alarm unit sends information warning.Information warning will be sent into the mobile terminal of corresponding director.
Thus, altitude datum value can be compared by monitoring center after getting height of the carbody value, and it is each heavy to judge one by one
Whether drop stake 2 settles or rises, if difference is more than threshold value, that is, represents sedimentation stake 2 and sedimentation occurs or rises, therefore, it is necessary to
Take measures to deploy to ensure effective monitoring and control of illegal activities in time.Wherein, altitude datum value rests on the car body on the guide rail 3 of the top of reference stake 1 for monitoring car
Height value.
In one embodiment, height monitoring uses height sensor.
In another embodiment, height detecting device includes stent 16 and infrared receiver 17, the both ends of stent 16
It is slidably mounted in car body 7, the connecting rod 19 through the top of car body 7 is connected with stent 16, infrared receiver 17 is arranged on
In connecting rod 19, wherein, the screw 20 being threadedly coupled with stent 16 is rotatablely equipped with car body 7, is provided with car body 7 and screw
20 are connected for driving the lifting motor 21 of 17 oscilaltion of infrared receiver, and monitoring coding is provided with lifting motor 21
Device 22, monitoring vehicle controller are connected to lifting motor 21 by motor-drive circuit.
One end of guide rail 3 is provided with RF transmitter 18, the transmitting of RF transmitter 18 and infrared receiver 17
Head is opposite, i.e., the emitting head of RF transmitter 18 and infrared receiver 17 is on same straight line.It is infrared in the present embodiment
Line transmitter 18 is connected on conductive core 6 by reduction voltage circuit and carries out taking electricity.
Therefore, when position detector 15 detects the position mark thing 14 on guide rail 3, monitoring vehicle controller control is infrared
Line receiver 17 starts and judges whether to receive the infrared light that RF transmitter 18 is sent, if it is not, then controlling lifting motor
21 rotate to adjust 17 upper-lower position of infrared receiver, and determine whether infrared receiver 17 receives infrared ray
The infrared light that transmitter 18 is sent, if so, the height adjusted value that monitoring encoder 22 records then is obtained, and it is high with default benchmark
Angle value compares to obtain height of the carbody value.Specifically, start in infrared receiver 17 and be not received by RF transmitter 18
During the infrared light sent, monitoring vehicle controller controls lifting motor 21 to be rotated such that infrared receiver 17 rises first(
In actual condition, the situation of subgrade settlement is more than the situation of roadbed protrusion), therefore, if infrared receiver 17 rise to it is default
The infrared light that RF transmitter 18 is sent still is not received by after distance, monitoring vehicle controller will control 21 turns of lifting motor
Move so that infrared receiver 17, which declines, carrys out the infrared light that receiving infrared-ray transmitter 18 is sent.
Wherein, monitoring vehicle controller is additionally configured to control after the height adjusted value of the monitoring record of encoder 22 is obtained red
Outer 17 height and position of line receiver resets.The rotational angle of lifting motor 21 is reset into initial position(Dead-center position)On.
In the present embodiment, lifting motor 21 and guide wheel motor use servomotor.
With reference to shown in Fig. 1 and Fig. 5, the both ends of guide rail 3 are mounted on plate washer 23, and the both sides of car body 7 are both provided with can be with shelves
The contact switch 24 that plate 23 contacts(Two contact switch 24 are respectively configured as front contact switch 24 and back contact switch 24), touch
Point switch 24 is connected with monitoring vehicle controller, monitors and is connected with timing module on vehicle controller;
Trigger signal is exported when contact switch 24 is contacted with plate washer 23 to vehicle controller is monitored, monitoring vehicle controller is in response to touching
Signal and control the electronic guide wheel assembly 8 out of service, and control electronic guide wheel assembly 8 after predetermined period by timing module
Counter motion.Such as, when monitoring car is advanced from the head end of guide rail 3 toward tail end, back contact switch 24 and 3 tail of guide rail on car body 7
The plate washer 23 at end is in contact, that is, represents the subgrade settlement monitoring that monitoring car completes the section a cycle, at this time, contact switch 24
Trigger signal is exported to vehicle controller is monitored to control electronic guide wheel assembly 8 out of service, in predetermined period(One week or three
My god)After control electronic 8 counter motion of guide wheel assembly, with control car body 7 towards guide rail 3 head end advance, carry out second period
Subgrade settlement monitoring.
Subgrade settlement monitoring system in the application is mainly used in the railway and highway of flat segments or tilting section, and uncomfortable
Railway or highway for bending section.The roadbed in multiple sections can be set to monitor and be directed to wider highway subgrade, can
To be respectively provided with subgrade settlement monitoring system in the both sides of highway subgrade, the sedimentation of roadbed half is avoided the occurrence of, the other half is not settled
Situation.
Embodiment two
Based on the above, a kind of monitoring method of subgrade settlement is present embodiments provided, is included the following steps:
Deposition step:Reference stake 1 is installed on the basement rock 5 at stretch base both ends, is equally spaced between two reference stakes 1
If dry deposition stake 2, guide rail 3 is erected on reference stake 1 and sedimentation stake 2 by supporting rod 4;
Monitoring step:Control monitoring car advance along guide rail 3, monitoring car one by one it is each sedimentation stake 2 above guide rail 3 stop with
Height of the carbody value is obtained, acquired height of the carbody value is sent to monitoring center and is monitored in real time;
Circulation step:After monitoring car covers this section of roadbed along guide rail 3, restarted after predetermined period and anti-along guide rail 3
To movement, to repeat monitoring step.
Therefore, by the setting of the monitoring car, when in face of the settlement measurement of railway bed, by each sedimentation stake 2
Analysis is measured, so as to monitor a wide range of subgrade settlement in real time, in a manner of abandoning manual measurement, so as to effectively improve
The convenience of subgrade settlement monitoring.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.