CN110388894A - Roadbed monitoring device - Google Patents
Roadbed monitoring device Download PDFInfo
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- CN110388894A CN110388894A CN201910593537.6A CN201910593537A CN110388894A CN 110388894 A CN110388894 A CN 110388894A CN 201910593537 A CN201910593537 A CN 201910593537A CN 110388894 A CN110388894 A CN 110388894A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 48
- 238000006073 displacement reaction Methods 0.000 claims abstract description 286
- 239000010410 layer Substances 0.000 claims abstract description 181
- 239000002344 surface layer Substances 0.000 claims abstract description 144
- 238000012545 processing Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims description 104
- 238000005192 partition Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 abstract description 16
- 238000001514 detection method Methods 0.000 description 20
- 238000012544 monitoring process Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 10
- 230000002706 hydrostatic effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000002459 sustained effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000013464 silicone adhesive Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
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- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/02—Means for marking measuring points
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- General Physics & Mathematics (AREA)
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- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The embodiment of the present application provides a kind of roadbed monitoring device, it include: multiple displacement sensors, it is separately positioned at the surface layer of roadbed and each tested point of basal layer, each displacement sensor positioned at roadbed surface layer is connected to form surface layer survey line, and each displacement sensor positioned at roadbed basal layer is connected to form basal layer survey line；Basal layer reference satellite coordinate sensor is arranged in the top of the first displacement sensor of roadbed basal layer；Basal layer checks co-ordinates of satellite sensor, is arranged in the top of the second displacement sensor of roadbed basal layer；Surface layer reference satellite coordinate sensor is arranged in the top of the third displacement sensor on roadbed surface layer；Co-ordinates of satellite sensor is checked on surface layer, is arranged in the top of the 4th displacement sensor on roadbed surface layer；Processing equipment is electrically connected with each displacement sensor and each co-ordinates of satellite sensor；Power supply unit.Roadbed monitoring device provided by the embodiments of the present application can be improved the precision being monitored to the sedimentation of roadbed.
Description
Technical field
This application involves roadbed monitoring technology more particularly to a kind of roadbed monitoring devices.
Background technique
Roadbed is the basis of rail facility, and the stability of roadbed determines whether railway operation is safe.In rail facility
During construction and railway operation, require to be monitored roadbed, it, need to be using corresponding when monitoring that roadbed settles
Measure avoids causing to seriously affect to the operational process of railway.
Currently, each tested point that multiple differential hydrostatic levels are distributed in roadbed is generallyd use to the monitoring of roadbed,
It is monitored with the sedimentation situation to tested point.Fig. 1 is that roadbed monitoring device is applied to be monitored roadbed in the related technology
Structural schematic diagram.As shown in Figure 1, each measuring point and datum mark in 10 basal layer of roadbed are both provided with hydrostatic level 11, In
Datum is additionally provided with liquid reserve tank 12, is connected to by tracheae with liquid pipe between each hydrostatic level 11 and liquid reserve tank 12.In roadbed
Each measuring point on 10 surface layers is also equipped with hydrostatic level 11, and the measuring point in end is provided with liquid reserve tank 12, each hydrostatic level
It is connected between 11 and liquid reserve tank 12 by tracheae and liquid pipe.Positioned at the measuring point of 10 surface layer end of roadbed and the measuring point of its vertical lower section
Between be provided with vertical relaying bar 14, for conducting a reference value of datum mark.Positioned at 10 surface layer of roadbed and each static(al) of basal layer
Level 11 is also electrically connected by conducting wire with the electric box 13 that datum mark is arranged in, equipped with processing equipment and accordingly in electric box 13
Devices, the processing equipment such as connecting line can be derived that whether each measuring point occurs according to the detection signal that each hydrostatic level 11 is sent
Sedimentation, realization are monitored the sedimentation of roadbed 10.
But during practical application, inventor has found that the monitoring result of above-mentioned apparatus is not accurate enough, cannot be accurate
Ground embodies settling data.
Summary of the invention
A kind of roadbed monitoring device is provided in the embodiment of the present application, be can be improved the sedimentation situation to roadbed and is monitored
Precision.
The application first aspect embodiment provides a kind of roadbed monitoring device, comprising:
Multiple displacement sensors are separately positioned at the surface layer of roadbed and each tested point of basal layer, are located at roadbed surface layer
Each displacement sensor be connected to form surface layer survey line, positioned at each displacement sensor of roadbed basal layer be connected to form basal layer survey
Line；
For obtaining the basal layer reference satellite coordinate sensor of basal layer tested point reference coordinate, it is arranged in roadbed
The top of first displacement sensor of basal layer；
The basal layer that coordinate is checked for obtaining basal layer tested point checks co-ordinates of satellite sensor, is arranged in roadbed
The top of the second displacement sensor of basal layer；
For obtaining the surface layer reference satellite coordinate sensor of surface layer tested point reference coordinate, it is arranged in roadbed surface layer
Third displacement sensor top；
Co-ordinates of satellite sensor is checked on the surface layer that coordinate is checked for obtaining surface layer tested point, is arranged in roadbed surface layer
The 4th displacement sensor top；
Processing equipment is electrically connected with each displacement sensor and each co-ordinates of satellite sensor；
Power supply unit for powering to each displacement sensor, each co-ordinates of satellite sensor and processing equipment.
The application second aspect embodiment provides a kind of roadbed monitoring device, comprising:
Multiple displacement sensors are separately positioned at each tested point of roadbed, and each displacement sensor is connected to form survey line；
For obtaining the reference satellite coordinate sensor of tested point reference coordinate, the first displacement sensor being disposed therein
Top；
The check co-ordinates of satellite sensor of coordinate, the second displacement sensor being disposed therein are checked for obtaining tested point
Top；
Processing equipment is electrically connected with each displacement sensor and each co-ordinates of satellite sensor；
Power supply unit for powering to each displacement sensor, each co-ordinates of satellite sensor and processing equipment.
Surface layer and the substrate of roadbed are arranged in by using displacement sensor for technical solution provided by the embodiment of the present application
At the tested point of layer, it is respectively formed surface layer survey line and basal layer survey line, is existed using the setting of basal layer reference satellite coordinate sensor
Positioned at the top of the first displacement sensor of roadbed basal layer, for obtaining basal layer tested point reference coordinate, so that basal layer
Remaining displacement sensor on survey line is using the first displacement sensor as detection benchmark；Co-ordinates of satellite is checked using basal layer to pass
Sensor is arranged in the top of the second displacement sensor of roadbed basal layer, checks coordinate for obtaining basal layer tested point,
Adjustment check is carried out with the detected value to each displacement sensor on basal layer survey line；And it is passed using surface layer reference satellite coordinate
Sensor is arranged in the top of the third displacement sensor on roadbed surface layer, for obtaining surface layer tested point reference coordinate, so that
Remaining displacement sensor on the survey line of surface layer is using third displacement sensor as detection benchmark；Co-ordinates of satellite is checked using surface layer
Sensor is arranged in the top of the 4th displacement sensor on roadbed surface layer, checks coordinate for obtaining surface layer tested point, with
Adjustment check is carried out to the detected value of each displacement sensor on the survey line of surface layer；It can be improved the detection essence of each displacement sensor
Degree, and then can accurately know the sedimentation location and settling amount of roadbed, improve the monitoring accuracy to entire subgrade settlement.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is that roadbed monitoring device is applied to the structural schematic diagram being monitored to roadbed in the related technology；
Fig. 2 is that roadbed monitoring device provided by the embodiments of the present application is applied to the structural schematic diagram being monitored to roadbed；
Fig. 3 is the detection schematic diagram one of displacement sensor in roadbed monitoring device provided by the embodiments of the present application；
Fig. 4 is the detection schematic diagram two of displacement sensor in roadbed monitoring device provided by the embodiments of the present application；
Fig. 5 is the enlarged view of a-quadrant in Fig. 2；
Fig. 6 is the enlarged view of B area in Fig. 2；
Fig. 7 is the enlarged view in the region C in Fig. 2；
Fig. 8 is the enlarged view in the region D in Fig. 2；
Fig. 9 is the transmission of roadbed monitoring data and flows to schematic diagram.
Appended drawing reference:
10- roadbed；11- hydrostatic level；12- liquid reserve tank；13- electric box；The vertical relaying bar of 14-；
20- displacement sensor；21- liquid pipe；22- tracheae；23- pressure measuring cavity body；24- partition；25- differential pressure sensor；
30- basal layer reference satellite coordinate sensor；31- basal layer liquid reserve tank；32- basal layer section pipe；33- basal layer
Reference platform；34- equipment box；35- power supply unit；
40- basal layer checks co-ordinates of satellite sensor；41- basal layer checks platform；
The surface layer 50- reference satellite coordinate sensor；The surface layer 51- liquid reserve tank；52- skin profile pipe；The surface layer 53- benchmark is flat
Platform；
Check co-ordinates of satellite sensor in the surface layer 60-；Check platform in the surface layer 61-；62- Auxiliary support platform.
Specific embodiment
In order to which technical solution in the embodiment of the present application and advantage is more clearly understood, below in conjunction with attached drawing to the application
Exemplary embodiment be described in more detail, it is clear that described embodiment be only the application a part implement
Example, rather than the exhaustion of all embodiments.It should be noted that in the absence of conflict, embodiment and reality in the application
The feature applied in example can be combined with each other.
Embodiment one
The present embodiment provides a kind of roadbed monitoring devices, are monitored for the settling phase to roadbed.Compared to tradition
Monitoring mode, monitoring device monitoring accuracy with higher provided in this embodiment.
According to the difference of size, roadbed is roughly divided into two classes: first kind roadbed is divided into from bottom to top: body layer,
The bottom of body layer is known as the basal layer of roadbed by bottom and surface layer；The height of second class roadbed is lower, successively divides from bottom to top
Are as follows: the bottom of bottom is then known as the basal layer of roadbed by bottom and surface layer.
Fig. 2 is that roadbed monitoring device provided by the embodiments of the present application is applied to the structural schematic diagram being monitored to roadbed.
In the present embodiment, vertical direction is known as: it is vertical or vertical, the length direction of roadbed 10 is known as longitudinal direction, by the width of roadbed 10
It spends direction (that is: the left and right directions in Fig. 2) to be known as: laterally.
As shown in Fig. 2, roadbed monitoring device provided in this embodiment includes: displacement sensor 20, basal layer reference satellite
Coordinate sensor 30, basal layer check co-ordinates of satellite sensor 40, surface layer reference satellite coordinate sensor 50, surface layer check satellite
Coordinate sensor 60, processing equipment and power supply unit.
Wherein, the quantity of displacement sensor 20 is multiple, is separately positioned on each tested point of 10 surface layer of roadbed and basal layer
Place.Specifically, multiple tested points are preset on surface layer and basal layer according to the soil properties of roadbed 10 and size, it is each to be measured
One displacement sensor 20 is set at point.Each displacement sensor 20 positioned at 10 surface layer of roadbed is connected to form surface layer survey line, surface layer
Each displacement sensor 20 in survey line is located at sustained height.It can by the detection signal of displacement sensor 20 each in the survey line of surface layer
Know the vertical displacement variation of corresponding tested point, and then knows whether roadbed 10 settles, and specifically send out in which position
Sedimentation is given birth to.It is connected to form basal layer survey line positioned at each displacement sensor 20 of 10 basal layer of roadbed, it is each in basal layer survey line
Displacement sensor 20 is located at sustained height.Can enough it be known pair by the detection signal of displacement sensor 20 each in basal layer survey line
It answers the vertical displacement of tested point to change, and then knows whether roadbed 10 occurs to settle and specifically settle in which position.
Displacement sensor 20 can be in this field for measuring the common type and model of subgrade settlement.
Two displacement sensors 20 are set in above-mentioned surface layer survey line, are referred to as the first displacement sensor and second displacement
Sensor.In the top of the first displacement sensor, basal layer reference satellite coordinate sensor 30, the two synchronizing moving are set；?
The top setting basal layer of two displacement sensors checks co-ordinates of satellite sensor 40, the two synchronizing moving.Basal layer reference satellite
Coordinate sensor 30 and basal layer are checked co-ordinates of satellite sensor 40 and be can be used commonly used in the art can be led to satellite
Letter knows the sensors of changing coordinates, and coordinate includes lateral coordinates, longitudinal coordinate and vertical coordinate.By basal layer reference satellite
The coordinate that coordinate sensor 30 is got checks co-ordinates of satellite sensor 40 as basal layer tested point reference coordinate, by basal layer
The coordinate got checks coordinate as basal layer tested point.
It can determine the position of the tested point according to the coordinate that basal layer reference satellite coordinate sensor 30 is successively sent twice
It moves and whether changes, such as: if the lateral coordinates successively sent twice are identical with longitudinal coordinate, but vertical coordinate difference
10cm then shows that the tested point is settled in vertical direction, settling amount 10cm.Basal layer reference satellite coordinate sensor
Both 30 and the first displacement sensor synchronization action in a vertical direction, i.e., vertical displacement variable quantity having the same, pass through base
The Vertical Settlement amount that bottom reference satellite coordinate sensor 30 is got, that is, the Vertical Settlement amount of the first displacement sensor,
Benchmark as each displacement sensors 20 other in basal layer survey line.
Each displacement sensor 20 in basal layer survey line is using the first displacement sensor as detection benchmark, since displacement passes
The presence of the factors such as manufacturing process, the foundation soil of sensor 20 will affect the detected value and actual value of each displacement sensor 20
Between there are errors.The present embodiment checks co-ordinates of satellite sensor 40 to each displacement sensing in basal layer survey line using basal layer
The detected value of device 20 is corrected, to improve the detection accuracy of each displacement sensor 20.Specifically, checking satellite by basal layer
The vertical coordinate that coordinate sensor 40 is successively got twice can know the settling amount of the tested point, as true value.Second
The settling amount that displacement sensor is arrived using the settling amount of the first displacement sensor as benchmaring is as relative value.Due to basal layer
Both checking co-ordinates of satellite sensor 40 and second displacement sensor is synchronizing moving, i.e., settling amount having the same, then on
It states and the true value that co-ordinates of satellite sensor 40 is got and the relative value that second displacement sensor detects is checked by basal layer
Between difference be exactly measured deviation.Remaining displacement sensor 20 in basal layer survey line is with the sedimentation of the first displacement sensor
It is determined on the basis of amount, there is measured deviation identical with second displacement sensor, therefore, co-ordinates of satellite is checked according to basal layer
The detected value of measured deviation between sensor 40 and second displacement sensor to each displacement sensor 20 in basal layer survey line
Adjustment check is carried out, can be improved the detection accuracy of each displacement sensor 20.
It is similar, two displacement sensors 20 are set in above-mentioned surface layer survey line, be referred to as third displacement sensor and
4th displacement sensor.Surface layer reference satellite coordinate sensor 50 is set in the top of third displacement sensor, the two is synchronous to move
It is dynamic；Co-ordinates of satellite sensor 60, the two synchronizing moving are checked on the top of the 4th displacement sensor setting surface layer.Surface layer benchmark is defended
Star coordinate sensor 50 and surface layer are checked co-ordinates of satellite sensor 60 and be can be used commonly used in the art can be led to satellite
Letter knows the sensors of changing coordinates, and coordinate includes lateral coordinates, longitudinal coordinate and vertical coordinate.Surface layer reference satellite is sat
The coordinate that mark sensor 50 is got gets surface layer check co-ordinates of satellite sensor 60 as surface layer tested point reference coordinate
Coordinate as surface layer tested point check coordinate.
It can determine the displacement of the tested point according to the coordinate that surface layer reference satellite coordinate sensor 50 is successively sent twice
Whether change.Surface layer reference satellite coordinate sensor 50 and third displacement sensor synchronization action in a vertical direction, i.e.,
The two vertical displacement variable quantity having the same, the Vertical Settlement amount got by surface layer reference satellite coordinate sensor 50,
The namely Vertical Settlement amount of third displacement sensor, the benchmark as each displacement sensors 20 other in the survey line of surface layer.
Each displacement sensor 20 in the survey line of surface layer is using third displacement sensor as detection benchmark, due to displacement sensing
The presence of the factors such as manufacturing process, the foundation soil of device 20 will affect each displacement sensor 20 detected value and actual value it
Between there are errors.The present embodiment checks co-ordinates of satellite sensor 60 to each displacement sensor 20 in the survey line of surface layer using surface layer
Detected value is corrected, to improve the detection accuracy of each displacement sensor 20.Specifically, checking co-ordinates of satellite sensing by surface layer
The vertical coordinate that device 60 is successively got twice can know the settling amount of the tested point, as true value.4th displacement sensing
The settling amount that device is arrived using the settling amount of third displacement sensor as benchmaring is as relative value.Satellite is checked due to surface layer to sit
It marks sensor 60 and the 4th displacement sensor is synchronizing moving, is i.e. the two settling amount having the same, then above by surface layer
The difference checked between the relative value that the true value got of co-ordinates of satellite sensor 60 and the 4th displacement sensor detect is exactly
Measured deviation.Remaining displacement sensor 20 in the survey line of surface layer is determined on the basis of the settling amount of third displacement sensor
, there is measured deviation identical with the 4th displacement sensor, therefore, co-ordinates of satellite sensor 60 and the 4th is checked according to surface layer
Measured deviation between displacement sensor carries out adjustment check to the detected value of each displacement sensor 20 in the survey line of surface layer, can
Improve the detection accuracy of each displacement sensor 20.
Processing equipment is electrically connected with each displacement sensor 20 and each co-ordinates of satellite sensor, is sent for receiving each sensor
Electric signal.Processing equipment can be also used for that the electric signal that each sensor is sent is handled and calculated, above-mentioned heavy to obtain
The numerical value such as drop amount, measured deviation.
Power supply unit is arranged at the slope foot of roadbed 10, for each displacement sensor 20, each co-ordinates of satellite sensor and
Processing equipment power supply.
Surface layer and the basal layer of roadbed are arranged in by using displacement sensor for technical solution provided by the present embodiment
At tested point, it is respectively formed surface layer survey line and basal layer survey line, is arranged in using basal layer reference satellite coordinate sensor
The top of first displacement sensor of roadbed basal layer, for obtaining basal layer tested point reference coordinate, so that basal layer survey line
On remaining displacement sensor using the first displacement sensor as detection benchmark；Co-ordinates of satellite sensor is checked using basal layer
It is arranged in the top of the second displacement sensor of roadbed basal layer, coordinate is checked for obtaining basal layer tested point, with right
The detected value of each displacement sensor on basal layer survey line carries out adjustment check；And use surface layer reference satellite coordinate sensor
It is arranged in the top of the third displacement sensor on roadbed surface layer, for obtaining surface layer tested point reference coordinate, so that surface layer
Remaining displacement sensor on survey line is using third displacement sensor as detection benchmark；Co-ordinates of satellite sensing is checked using surface layer
Device is arranged in the top of the 4th displacement sensor on roadbed surface layer, coordinate is checked for obtaining surface layer tested point, to table
The detected value of each displacement sensor on layer survey line carries out adjustment check；The detection accuracy that can be improved each displacement sensor, into
And can accurately know the sedimentation location and settling amount of roadbed, improve the precision being monitored to subgrade settlement.
Based on the above technical solution, the present embodiment provides a kind of specific implementations of roadbed monitoring device:
As shown in Fig. 2, Fig. 2 shows the cross section of roadbed 10, the left and right directions in Fig. 2 is transverse direction.In roadbed
10 basal layer is provided with multiple displacement sensors 20, and multiple displacement sensors 20 are located at sustained height, and in transverse direction according to
Secondary arrangement forms basal layer survey line.Displacement sensor 20 positioned at basal layer survey line right end is used as the first displacement sensor, position
In basal layer survey line left end displacement sensor 20 be second displacement sensor.Each displacement sensor 20 in basal layer survey line
With the vertical centerline (dotted line in Fig. 2) of roadbed 10 for symmetry axis symmetry arrangement.
The surface layer of roadbed 10 is provided with multiple displacement sensors 20, multiple displacement sensors 20 are located at sustained height, and
Successively arrangement forms surface layer survey line in transverse direction.Displacement sensor 20 positioned at surface layer survey line right end is passed as third displacement
Sensor, the displacement sensor 20 positioned at surface layer survey line left end are the 4th displacement sensor.Each displacement sensing in the survey line of surface layer
Device 20 is using the vertical centerline of roadbed as symmetry axis symmetry arrangement.Further, each displacement sensor 20 in the survey line of surface layer is equal
Position is corresponding in the vertical direction with a displacement sensor 20 in basal layer survey line.
The sensor for being detected to subgrade settlement commonly used in the art can be used in above-mentioned each displacement sensor, this
Embodiment provides a kind of concrete implementation mode:
Fig. 3 is the detection schematic diagram one of displacement sensor in roadbed monitoring device provided by the embodiments of the present application, Fig. 4
For the detection schematic diagram two of displacement sensor in roadbed monitoring device provided by the embodiments of the present application.Such as Fig. 3 and Fig. 4 institute
Show, differential vertical displacement sensor can be used in displacement sensor 20, specifically, displacement sensor 20 includes: pressure measuring cavity body
23, partition 24 and differential pressure sensor 25.Wherein, partition 24 is horizontally set in pressure measuring cavity body 23, by the inside of pressure measuring cavity body 23
Space is divided into two parts up and down, and top is allocated as being communicated with the atmosphere for gas chamber, lower part be allocated as liquid chamber it is closed and its
Inside is full of manometric liquid body.
Specifically, can connect tracheae 22 at the blow vent of each gas chamber, tracheae 22 extends outwardly to be connected with atmosphere
It is logical.Alternatively, can also be interconnected by tracheae 22 between gas chamber in each displacement sensor in a survey line, wherein
One or two displacement sensor 20 is communicated with the atmosphere by tracheae 22.
Manometric liquid body is filled in closed liquid chamber, between the liquid chamber of each displacement sensor in a survey line
It is connected to, can also be connected to liquid reserve tank by liquid pipe by liquid pipe 21, the liquid level in liquid reserve tank is higher than any one displacement and passes
Liquid height in sensor, the liquid level in liquid reserve tank remain at constant height.Survey line after the installation is completed, in survey line
Each displacement sensor is in measurement original state, and measured value is the initial value not settled.Each displacement in one survey line
The liquid level of manometric liquid body is identical in the initial state in sensor.
The center of partition 24 opens up pressure tap, and differential pressure sensor 25 is arranged in the pressure tap.Differential pressure sensor 25 it is upper
Surface is exposed in gas chamber, and lower surface is exposed in liquid chamber and contacts with manometric liquid body.Differential pressure sensor 25 can
The pressure difference that its upper and lower surface is received is perceived, and corresponding current signal is exported according to the variation of the pressure difference.
Fig. 3 and Fig. 4 is described in detail the testing principle of sensor by taking three displacement sensors 20 as an example.Fig. 3
In, three displacement sensors 20 are in sustained height, are connection between liquid chamber, and be connected to liquid reserve tank；Gas chamber
Between be also connection, and be communicated with the atmosphere.Difference in height between the liquid level of manometric liquid body and the constant level line of liquid reserve tank is
H1.In Fig. 4, intermediate displacement sensor 20 is settled, between the liquid level and constant level line of internal manometric liquid body
Difference in height are as follows: H1+ Δ H.Due to the connection between the liquid chamber of three displacement sensors 20, then intermediate fluid chamber chamber pressure
Power increases, and the pressure difference at 25 both ends of differential pressure sensor increases, and carrying out calculating by the increase to pressure difference can be obtained the survey
The settling amount of point position.
For above-mentioned roadbed monitoring device, pass through liquid between the liquid chamber of each displacement sensor 20 in basal layer survey line
Pipe is connected, and each gas chamber is communicated by tracheae with atmosphere, can the sedimentation situation to roadbed be monitored.Further, In
The basal layer of roadbed 10 is additionally provided with basal layer liquid reserve tank, and the top of the first displacement sensor is arranged in.Basal layer liquid reserve tank is logical
Liquid pipe is crossed to be connected with the liquid chamber of each displacement sensor 20 in basal layer survey line.
It is connected between the liquid chamber of each displacement sensor 20 in the survey line of surface layer by liquid pipe, each gas chamber passes through
Tracheae is communicated with atmosphere, and the sedimentation situation for the base table layer that can satisfy the need is monitored.Further, it is additionally provided on the surface layer of roadbed 10
The top of third displacement sensor is arranged in surface layer liquid reserve tank.Surface layer liquid reserve tank passes through each displacement in liquid pipe and surface layer survey line
The liquid chamber of sensor 20 is connected.
Other than above-mentioned implementation, displacement sensor 20 can also using other way realize, such as can be used with
The identical principle of hydrostatic level in prior art realizes that internal differential pressure sensor may be other measuring principles
Corresponding liquid level sensor, such as ultrasonic sensor, capacitance sensor etc. can be pacified according to selected concrete type
Dress.
Based on the above technical solution, section pipe can be used to be embedded in roadbed 10, each displacement sensor 20 is arranged
In section pipe, to be protected to displacement sensor 20, avoids the occurrence of and cause displacement sensor since subgrade settlement deforms
20 are damaged and are not easy the problem of replacing.
For basal layer survey line, it is embedded in the basal layer of roadbed 10 using basal layer section pipe 32, in basal layer survey line
Each displacement sensor 20 is arranged in basal layer section pipe 32.It is connected between each displacement sensor 20 in basal layer survey line
Liquid pipe, tracheae, the electric lead being connected with level sensing device also are located in basal layer section pipe 32.Furthermore it is also possible to further
Liquid pipe connected between each displacement sensor 20, tracheae, the electric lead being connected with level sensing device are protected using spool
Shield, it may be assumed that connected liquid pipe, tracheae, the electric lead being connected with level sensing device are worn from spool between each displacement sensor 20
It crosses.Each spool in basal layer survey line links together, and is equivalent to and each displacement sensor 20 is serially connected, can be from substrate
One end of layer section pipe 32 pulls in displacement sensor 20 in basal layer section pipe 32 in turn, convenient for assembly.And when therein
When displacement sensor 20 breaks down, the displacement sensor 20 on several surveys line can be pulled out into section pipe, and after being replaced
It is pulled in section pipe again, replaces and recycle convenient for later maintenance.
For surface layer survey line, the surface layer of roadbed 10 is embedded in using skin profile pipe 52, skin profile pipe 52 can whole positions
In in surface layer, can also partially be located in surface layer and another part is located at bottom, it specifically can be according to dividing between surface layer and bottom
Boundary line determines.Each displacement sensor 20 in the survey line of surface layer is arranged in skin profile pipe 52.Everybody in the survey line of surface layer
Connected liquid pipe, tracheae, the electric lead being connected with level sensing device also are located in skin profile pipe 52 between displacement sensor 20.
Furthermore it is also possible to further using spool between each displacement sensor 20 be connected liquid pipe, tracheae, with level sensing device phase
Electric lead even is protected.Each spool in the survey line of surface layer links together, and is equivalent to and is serially connected in each displacement sensor 20
Together, it can be pulled in turn in skin profile pipe 52 from one end of skin profile pipe 52 by displacement sensor 20, it is convenient for assembly.
Above-mentioned basal layer section pipe 32 and skin profile pipe 52 can be made of the material with some strength, such as:
Polyvinyl chloride (PVC) pipe etc..Above-mentioned spool is specifically as follows steel wire bellows etc..
The both ends of above-mentioned basal layer section pipe 32 are pierced by roadbed 10, the first displacement sensor and second displacement sensor difference
Positioned at the both ends of basal layer section pipe 32.Fig. 5 is the enlarged view of a-quadrant in Fig. 2.As shown in figure 5, in basal layer section pipe 32
Lower section basal layer reference platform 33 is set, basal layer reference platform 33 can be poured by concrete and be formed.
Basal layer liquid reserve tank 31 is fixed on basal layer reference platform 33, and by liquid pipe and the first displacement sensor
Liquid chamber connection.Liquid pipe is connected after being pierced by from the end of basal layer section pipe 32 with basal layer liquid reserve tank 31, alternatively,
It can be passed through in the circumferential surface aperture of basal layer section pipe 32, liquid supply pipe.The end of basal layer section pipe 32 is carried out using silicone adhesive
Sealing.
Basal layer reference satellite coordinate sensor 30 is fixed on basal layer liquid reserve tank 31.In basal layer reference platform 33
Side is provided with equipment box 34, may be provided with the devices such as processing equipment and relevant connecting terminal in equipment box 34, is arranged in base
The electric lead being connected in each displacement sensor 20 in bottom section pipe 32 with level sensing device is from basal layer section pipe 32
End is pierced by be connected with the corresponding wiring terminal in equipment box 34 afterwards, and then will test data and be sent to processing equipment.
The side of equipment box 34 is provided with power supply unit 35, it is each that power supply unit 35, which can be steam-electric power plant,
Sensor and processing equipment power supply.
Fig. 6 is the enlarged view of B area in Fig. 2.As shown in fig. 6, being located at 32 left end of basal layer section pipe is second
Displacement sensor.The periphery of basal layer section pipe 32 is provided with basal layer and checks platform 41, basal layer checks platform 41 can be by mixing
Solidifying soil is poured.Basal layer is checked co-ordinates of satellite sensor 40 and is fixed on basal layer check platform 41.
Fig. 7 is the enlarged view in the region C in Fig. 2.As shown in fig. 7, corresponding to third displacement sensing in skin profile pipe 52
Surface layer reference platform 53 is provided with below device, surface layer reference platform 53 can be poured by concrete.Surface layer liquid reserve tank 51 is solid
It is scheduled on surface layer reference platform 53, and is connected to by liquid pipe 21 with the liquid chamber in third displacement sensor.Surface layer benchmark is defended
Star coordinate sensor 50 is fixed on surface layer liquid reserve tank 51.
Fig. 8 is the enlarged view in the region D in Fig. 2.It is passed as shown in figure 8, being located at skin profile pipe 52 and corresponding to the 4th displacement
The periphery of sensor is provided with surface layer and checks platform 61, and surface layer is checked platform 61 and can be poured by concrete.It is checked on surface layer flat
Auxiliary support platform 62 is provided on platform 61, surface layer is checked co-ordinates of satellite sensor 60 and is fixed on Auxiliary support platform 62.It is auxiliary
Help support platform 62 effect be raise surface layer check co-ordinates of satellite sensor 60 height, make its expose roadbed 10, with defend
Star is communicated.Auxiliary support platform 62 is checked platform 61 with surface layer and can be integrally poured for concrete.
The connected electric lead of each level sensing device in the survey line of surface layer also access device case 34, it is unified to pass through processing equipment
Carry out data acquisition and processing (DAP).Collected monitoring data can be sent to data processing platform (DPP) by wireless network by processing equipment
It is analyzed, generates subgrade settlement result.When sedimentation result is more serious, data processing platform (DPP) passes through wireless network to user
Hand-held client issues warning information.
The present embodiment is not only able to know the sedimentation value of roadbed vertically using co-ordinates of satellite sensor, additionally it is possible to roadbed
Move horizontally and be monitored.
Fig. 9 is the transmission of roadbed monitoring data and flows to schematic diagram.As shown in figure 9, each co-ordinates of satellite sensor and satellite
Positioning system is communicated, which can be global positioning system (GPS), Beidou satellite alignment system or other
Global position system.Global position system sends control extension netting index to corresponding co-ordinates of satellite sensor by densified control network
According to co-ordinates of satellite sensor is parsed from control extension network data obtains corresponding bench mark data and check point data.Benchmark
Point data and check point data are sent to internet platform by wireless network and carry out background process analysis.In addition, passing through everybody
The settling data and check data that displacement sensor detects are sent to internet platform also by wireless network and carry out background process
Monitoring data and warning information are distributed to client by analysis, internet platform.
The assembling process of roadbed monitoring device is described in detail below:
After to foundation treatment engineering, first mounting substrate layer survey line.It slots specifically, original ground is flattened, fluting passes through
Lead to the bottom width of entire subgrade bed.Multistage section pipe is connected using casing, as basal layer section pipe 32.Then
Basal layer section pipe 32 is put into slot, original soil is backfilled and is compacted.Adjacent displacement sensor 20 is set according to the position of tested point
The distance between, liquid pipe 21, tracheae 22 and the electric lead between each displacement sensor 20 are correspondingly connected with, then cutd open from basal layer
One end of facial canal 32 one by one pulls in displacement sensor 20 in pipe, until reaching target position.Finally by basal layer section pipe 32
Both ends be sealed with silicone adhesive.
It is poured to form basal layer reference platform 33 using concrete in one end of basal layer section pipe 32, in basal layer benchmark
Successively mounting substrate layer liquid reserve tank 31 and basal layer reference satellite coordinate sensor 30 on platform 33.And equipment box is nearby set
34 and power supply unit 35, by the power supply of the corresponding electric lead of each displacement sensor 20 and basal layer reference satellite coordinate sensor 30
Line and data line are correspondingly connected with equipment box 34 and power supply unit 35.
It is poured to form basal layer check platform 41 using concrete in the other end of basal layer section pipe 32, then in substrate
Mounting substrate layer checks co-ordinates of satellite sensor 40 on layer check platform 41.
During roadbed filling, it is monitored by stability of the basal layer survey line to roadbed 10.When monitoring base
When sedimentation value that bottom reference platform 33 or basal layer check platform 41 or horizontal displacement are beyond threshold value is limited, platform is to client
Warning information is sent, to remind related personnel that should stop constructing immediately, reason is analyzed and handles, roadbed 10 is avoided to deform
Lead to unstability greatly.
When roadbed filling to surface layer, skin profile pipe 52 and pipe are assembled according to mode identical with basal layer section pipe 32
Interior displacement sensor 20.Then it is poured to form surface layer reference platform 53 using mixed clay in one end of skin profile pipe 52, so
Surface layer liquid reserve tank 51 and surface layer reference satellite coordinate sensor 50 are successively set on surface layer reference platform 53 afterwards.In skin profile
The other end of pipe 52 is poured to form surface layer check platform 61 and Auxiliary support platform 62 using concrete, then flat in Auxiliary support
Surface layer is installed on platform 62 and checks co-ordinates of satellite sensor 60.By the electric lead being pierced by from skin profile pipe 52 and each co-ordinates of satellite
The electric lead of sensor is laid with along the side slope of roadbed 10, is correspondingly connected to equipment box 34 and power supply unit 35.
Roadbed monitoring device provided by the present embodiment provides surface layer survey line by co-ordinates of satellite sensor and basal layer is surveyed
The sedimentation benchmark and data of line are checked and horizontal displacement of slope monitoring data, data real-time update, it may have higher essence
Degree；Displacement sensor by being distributed in different tested points monitors the sedimentation variation of each tested point, and monitoring accuracy is higher, and can be real
Existing automatic Check and warning function, avoid error present in artificial repetition measurement and interference, can be widely applied to railway, highway etc.
Newly-built roadbed and existing roadbed, and can be to Deposition Situation and horizontal displacement of slope in the construction time of roadbed and operation phase
It is monitored, provides reliable guarantee for the stabilization of roadbed and safety.
In addition, each displacement sensor is threaded through in section pipe, avoids the occurrence of each displacement sensor and sent out by subgrade settlement
It the problem of raw damage failure, prolongs its service life, improves the reliability being monitored to roadbed.Section pipe be it is totally enclosed,
It can infiltration and corrosion to avoid rainwater, underground water to internal unit.In the case where the damage of some displacement sensor, it can incite somebody to action
Corresponding survey line is pulled out out of section pipe and is repaired or replaced, and process is more convenient.
The present embodiment also provides the implementation of another roadbed monitoring device:
It is influenced for a lower height of roadbed or by other factors, single layer survey line can be used, it may be assumed that only with above-mentioned realization
Basal layer survey line in mode is monitored roadbed.
Specifically, roadbed monitoring device includes: multiple displacement sensors, reference satellite coordinate sensor, checks satellite seat
Mark sensor, processing equipment and power supply unit.Wherein, multiple displacement sensors are separately positioned at each tested point of roadbed, respectively
Displacement sensor is connected to form survey line.It is the first displacement sensor by one of sensor settings in survey line, by another
Sensor settings are second displacement sensor.The top of the first displacement sensor is arranged in said reference co-ordinates of satellite sensor,
For obtaining changing coordinates as reference coordinate by being communicated with satellite.Above-mentioned check co-ordinates of satellite sensor setting exists
The top of second displacement sensor, for obtaining changing coordinates by being communicated with satellite as check coordinate.
Processing equipment is connected with each displacement sensor and each co-ordinates of satellite sensor, for what is sent to each displacement sensor
Reference coordinate that detection data, reference satellite coordinate sensor are sent and check check coordinate that co-ordinates of satellite sensor is sent into
Row processing.
Power supply unit to each displacement sensor, each co-ordinates of satellite sensor and processing equipment for being powered.
Further, successively arrangement forms survey line to each displacement sensor in transverse direction, and the displacement positioned at survey line both ends passes
Sensor is respectively the first displacement sensor and second displacement sensor.Each displacement sensor is symmetrical with the vertical centerline of roadbed
Axial symmetry arrangement.
Upper displacement sensors are differential vertical displacement sensor, comprising: pressure measuring cavity body, partition and differential pressure sensor.
Partition is horizontally set in pressure measuring cavity body, the inner space of pressure measuring cavity body is divided into two parts up and down, lower part is allocated as being closed
Liquid chamber its it is internal be full of manometric liquid body, top is allocated as being communicated with the atmosphere for gas chamber.The center of partition opens up survey pressure
Hole, differential pressure sensor are arranged in pressure tap.The upper surface of differential pressure sensor is exposed in gas chamber, lower surface and manometric liquid
Body contacts, and the pressure difference above and below differential pressure sensor between both side surface has certain corresponding pass with the current signal that it is exported
System.Differential pressure sensor is electrically connected with processing equipment by electric lead.
It is connected between the liquid chamber of each displacement sensor in one survey line by liquid pipe, the gas of each displacement sensor
It is connected between fluid chamber by tracheae, and is communicated with atmosphere；Using liquid reserve tank, the top of the first displacement sensor is set, it should
Liquid reserve tank is connected by liquid pipe with the liquid chamber of each displacement sensor, for providing a constant liquid level line.
It is embedded in roadbed using section pipe, each displacement sensor is arranged in section pipe.Phase between each displacement sensor
Tracheae, liquid pipe and the electric lead being connected with level sensing device even is passed through out of spool, the line between each displacement sensor
Pipe links together.Section pipe is embedded in roadbed, each displacement sensor can be protected, and improve later period maintenance
Convenience.
The both ends of section pipe are pierced by roadbed respectively, and the first displacement sensor and second displacement sensor are located at section pipe
Both ends.Reference platform is set in the lower section of the corresponding first displacement sensor end of section pipe, reference satellite coordinate sensor is set
It sets on reference platform.The side of reference platform is arranged in equipment box, and processing equipment is set in equipment box.Check platform setting
The lower section of second displacement sensor end is corresponded in section pipe, checks the setting of co-ordinates of satellite sensor on checking platform.
The implementation of each displacement sensor can refer to the present embodiment basal layer survey line noted earlier, and reference satellite is sat
The implementation of mark sensor can refer to basal layer reference satellite coordinate sensor 30 noted earlier, checks co-ordinates of satellite and passes
The implementation of sensor can refer to basal layer noted earlier and check co-ordinates of satellite sensor 40.It is equivalent to and is mentioned only with front
To component positioned at roadbed basal layer roadbed is monitored.Section pipe can refer to above-mentioned basal layer section pipe,
Reference platform and check platform respectively refer to the basal layer reference platform of front and basal layer checks platform to be arranged, herein not
It repeats again.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", " table ", "bottom" "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the application and Jian
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present application, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in this application can be understood as the case may be.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (21)
1. a kind of roadbed monitoring device characterized by comprising
Multiple displacement sensors are separately positioned at the surface layer of roadbed and each tested point of basal layer, positioned at each of roadbed surface layer
Displacement sensor is connected to form surface layer survey line, and each displacement sensor positioned at roadbed basal layer is connected to form basal layer survey line；
For obtaining the basal layer reference satellite coordinate sensor of basal layer tested point reference coordinate, it is arranged in roadbed substrate
The top of first displacement sensor of layer；
The basal layer that coordinate is checked for obtaining basal layer tested point checks co-ordinates of satellite sensor, is arranged in roadbed substrate
The top of the second displacement sensor of layer；
For obtaining the surface layer reference satellite coordinate sensor of surface layer tested point reference coordinate, it is arranged in the of roadbed surface layer
The top of triple motion sensor；
Co-ordinates of satellite sensor is checked on the surface layer that coordinate is checked for obtaining surface layer tested point, is arranged in the of roadbed surface layer
The top of four displacement sensors；
Processing equipment is electrically connected with each displacement sensor and each co-ordinates of satellite sensor；
Power supply unit for powering to each displacement sensor, each co-ordinates of satellite sensor and processing equipment.
2. roadbed monitoring device according to claim 1, which is characterized in that positioned at each displacement sensor of roadbed basal layer
Successively arrangement forms the basal layer survey line in transverse direction, and the displacement sensor positioned at basal layer survey line both ends is respectively described
First displacement sensor and second displacement sensor；
Successively arrangement forms the surface layer survey line to each displacement sensor positioned at roadbed surface layer in transverse direction, is located at surface layer survey line
The displacement sensor at both ends is respectively the third displacement sensor and the 4th displacement sensor.
3. roadbed monitoring device according to claim 2, which is characterized in that each displacement sensor in basal layer survey line with
The vertical centerline of roadbed is symmetry axis symmetry arrangement, and each displacement sensor in the survey line of surface layer is with the vertical centerline of roadbed
Symmetry axis symmetry arrangement；
Each displacement sensor in the survey line of surface layer with the position in the vertical direction of a displacement sensor in basal layer survey line
It is corresponding.
4. roadbed monitoring device according to claim 1, which is characterized in that institute's displacement sensors are differential vertical position
Displacement sensor；Institute's displacement sensors include:
Pressure measuring cavity body；
Partition is horizontally set in the pressure measuring cavity body, and the inner space of the pressure measuring cavity body is divided into two parts up and down, under
As closed liquid chamber, it is internal full of manometric liquid body for part, and top is allocated as being communicated with the atmosphere for gas chamber；It is described every
The center of plate opens up pressure tap；
Differential pressure sensor is arranged in the pressure tap；The upper surface of the differential pressure sensor is exposed in gas chamber, following table
Face is contacted with manometric liquid body；The differential pressure sensor is electrically connected with the processing equipment by electric lead.
5. roadbed monitoring device according to claim 4, which is characterized in that the liquid of each displacement sensor in the survey line of surface layer
It is connected between fluid chamber by liquid pipe；It is connected between the liquid chamber of each displacement sensor in basal layer survey line by liquid pipe；
It is connected between the gas chamber of each displacement sensor in the survey line of surface layer by tracheae；Each displacement in basal layer survey line passes
It is connected between the gas chamber of sensor by tracheae.
6. roadbed monitoring device according to claim 5, which is characterized in that further include:
Spool；Tracheae, liquid pipe and the electric lead being connected with differential pressure sensor being connected between each displacement sensor are out of spool
It passes through；Each spool in the survey line of surface layer links together, and each spool in basal layer survey line links together.
7. roadbed monitoring device according to claim 5, which is characterized in that further include:
The top of the first displacement sensor is arranged in basal layer liquid reserve tank；The basal layer liquid reserve tank passes through liquid pipe and basal layer
The liquid chamber of each displacement sensor in survey line is connected；
The top of third displacement sensor is arranged in surface layer liquid reserve tank；The surface layer liquid reserve tank passes through in liquid pipe and surface layer survey line
The liquid chamber of each displacement sensor be connected.
8. roadbed monitoring device according to claim 1 or 6, which is characterized in that further include:
Basal layer section pipe, is embedded in the basal layer of roadbed；Each displacement sensor in basal layer survey line is arranged in the substrate
In layer section pipe；
Skin profile pipe is embedded in the surface layer of roadbed；Each displacement sensor in the survey line of surface layer is arranged in the skin profile pipe
It is interior.
9. roadbed monitoring device according to claim 8, which is characterized in that wear respectively at the both ends of the basal layer section pipe
Roadbed out, the first displacement sensor and second displacement sensor are located at the both ends of the basal layer section pipe.
10. roadbed monitoring device according to claim 9, which is characterized in that the roadbed monitoring device further include:
The lower section of the corresponding first displacement sensor end of the basal layer section pipe, the base is arranged in basal layer reference platform
Bottom reference satellite coordinate sensor is arranged on the basal layer reference platform；
The side of the basal layer reference platform is arranged in equipment box；The processing equipment is set in the equipment box；
Basal layer checks platform, and the lower section that the basal layer section pipe corresponds to second displacement sensor end, the base is arranged in
Bottom is checked the setting of co-ordinates of satellite sensor and is checked on platform in the basal layer.
11. roadbed monitoring device according to claim 9, which is characterized in that further include:
Surface layer reference platform is arranged in the skin profile pipe and corresponds to lower section at third displacement sensor, the surface layer benchmark
Co-ordinates of satellite sensor is arranged on the surface layer reference platform；
Platform is checked on surface layer, the lower section at corresponding 4th displacement sensor of the skin profile pipe is arranged in, the surface layer is checked
The setting of co-ordinates of satellite sensor is checked on platform on the surface layer.
12. a kind of roadbed monitoring device characterized by comprising
Multiple displacement sensors are separately positioned at each tested point of roadbed, and each displacement sensor is connected to form survey line；
For obtaining the reference satellite coordinate sensor of tested point reference coordinate, the first displacement sensor being disposed therein it is upper
Side；
For obtain tested point check coordinate check co-ordinates of satellite sensor, the second displacement sensor being disposed therein it is upper
Side；
Processing equipment is electrically connected with each displacement sensor and each co-ordinates of satellite sensor；
Power supply unit for powering to each displacement sensor, each co-ordinates of satellite sensor and processing equipment.
13. roadbed monitoring device according to claim 12, which is characterized in that each displacement sensor is in transverse direction successively
Arrangement forms the survey line, and the displacement sensor positioned at survey line both ends is respectively that first displacement sensor and second displacement pass
Sensor.
14. roadbed monitoring device according to claim 13, which is characterized in that each displacement sensor with roadbed it is vertical in
Heart line is symmetry axis symmetry arrangement.
15. roadbed monitoring device according to claim 12, which is characterized in that institute's displacement sensors are differential vertical
Displacement sensor；Institute's displacement sensors include:
Pressure measuring cavity body；
Partition is horizontally set in the pressure measuring cavity body, and the inner space of the pressure measuring cavity body is divided into two parts up and down, under
As closed liquid chamber, it is internal full of manometric liquid body for part, and top is allocated as being communicated with the atmosphere for gas chamber；It is described every
The center of plate opens up pressure tap；
Differential pressure sensor is arranged in the pressure tap；The upper surface of the differential pressure sensor is exposed in gas chamber, following table
Face is contacted with manometric liquid body；The differential pressure sensor is electrically connected with the processing equipment by electric lead.
16. roadbed monitoring device according to claim 15, which is characterized in that the liquid of each displacement sensor in survey line
It is connected between chamber by liquid pipe；It is connected between the gas chamber of each displacement sensor in survey line by tracheae.
17. roadbed monitoring device according to claim 15, which is characterized in that further include:
Spool；Tracheae, liquid pipe and the electric lead being connected with differential pressure sensor being connected between each displacement sensor are out of spool
It passes through, the spool between each displacement sensor links together.
18. roadbed monitoring device according to claim 15, which is characterized in that further include:
The top of the first displacement sensor is arranged in liquid reserve tank；The liquid reserve tank passes through the liquid of liquid pipe and each displacement sensor
Chamber is connected.
19. roadbed monitoring device described in 2 or 17 according to claim 1, which is characterized in that further include:
Section pipe, is embedded in roadbed；Each displacement sensor is arranged in the section pipe.
20. roadbed monitoring device according to claim 19, which is characterized in that the both ends of the section pipe are pierced by road respectively
Base, the first displacement sensor and second displacement sensor are located at the both ends of the section pipe.
21. roadbed monitoring device according to claim 20, which is characterized in that the roadbed monitoring device further include:
Reference platform, is arranged in the lower section of the corresponding first displacement sensor end of the section pipe, and the reference satellite coordinate passes
Sensor is arranged on the reference platform；
The side of the reference platform is arranged in equipment box；The processing equipment is set in the equipment box；
Platform is checked, the lower section that the section pipe corresponds to second displacement sensor end is set, the check co-ordinates of satellite passes
Sensor is arranged on the check platform.
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| CN201910593537.6A CN110388894A (en) | 2019-07-03 | 2019-07-03 | Roadbed monitoring device |
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|---|---|---|---|
| CN201910593537.6A CN110388894A (en) | 2019-07-03 | 2019-07-03 | Roadbed monitoring device |
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