CN107238368A - Full hall support mechanism for monitoring and the Monitoring method of the subsidence for full hall supporting construction - Google Patents
Full hall support mechanism for monitoring and the Monitoring method of the subsidence for full hall supporting construction Download PDFInfo
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- CN107238368A CN107238368A CN201710525755.7A CN201710525755A CN107238368A CN 107238368 A CN107238368 A CN 107238368A CN 201710525755 A CN201710525755 A CN 201710525755A CN 107238368 A CN107238368 A CN 107238368A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 112
- 238000010276 construction Methods 0.000 title claims abstract description 83
- 230000007246 mechanism Effects 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 105
- 230000007935 neutral effect Effects 0.000 claims abstract description 10
- 238000004062 sedimentation Methods 0.000 claims description 47
- 238000005259 measurement Methods 0.000 description 67
- 238000006073 displacement reaction Methods 0.000 description 23
- 239000013307 optical fiber Substances 0.000 description 12
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
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- Testing Or Calibration Of Command Recording Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of Monitoring method of the subsidence the invention provides full hall support mechanism for monitoring and for full hall supporting construction, wherein, full hall support mechanism for monitoring, including installing base frame and fiber grating bracing wire sensor, fiber grating bracing wire sensor is multiple, and multiple fiber grating bracing wire sensors are arranged on monitored part, and are connected with (FBG) demodulator, the connecting line of each fiber grating bracing wire sensor is connected in installing base frame, and installing base frame includes：Multiple vertical rods, are arranged on ground；Head rod, at least two vertical rods are connected by head rod, multiple wiring holes group is provided with head rod, length direction of multiple wiring holes group along head rod is arranged at intervals, each wiring hole group includes two wiring holes, and be symmetrical arranged with two wiring holes in group along the neutral line of head rod, the connecting line of fiber grating bracing wire sensor is connected at wiring hole.Technical scheme is solved expires the problem of hall support mechanism for monitoring monitoring accuracy is low in the prior art.
Description
Technical field
The present invention relates to engineering construction field, in particular to a kind of full hall support mechanism for monitoring and for full hall branch
The Monitoring method of the subsidence of support structure.
Background technology
Supporting construction (as completely hall is supported) has been widely used in engineering construction, such as bridge construction, house is built.
But but there are many potential safety hazards in work progress, engineering problem layer goes out not caused by being caved in due to supporting construction sedimentation
Thoroughly.Although full hall support mechanism for monitoring of the prior art can monitor the bulk settling of supporting construction, but can not differentiate
The settlement of foundation gone out where the top sedimentation or supporting construction that the sedimentation is supporting construction.Therefore, full hall of the prior art
Support the monitoring accuracy of mechanism for monitoring not high, influence the monitoring result to supporting construction.
The content of the invention
It is a primary object of the present invention to provide a kind of full hall support mechanism for monitoring and sedimentation for full hall supporting construction
Monitoring method, to solve to expire in the prior art the problem of hall support mechanism for monitoring monitoring accuracy is low.
To achieve these goals, according to an aspect of the invention, there is provided a kind of full hall supports mechanism for monitoring, including
Installing base frame and fiber grating bracing wire sensor, fiber grating bracing wire sensor is multiple, and multiple fiber grating bracing wires are sensed
Device is arranged on monitored part, and multiple fiber grating bracing wire sensors are connected with (FBG) demodulator, each fiber grating bracing wire sensor
Connecting line is connected in installing base frame, and installing base frame includes：Multiple vertical rods, are arranged on ground；Head rod, at least two
Individual vertical rod is connected by head rod, and multiple wiring holes group is provided with head rod, and multiple wiring holes group connects along first
The length direction of extension bar is arranged at intervals, and each wiring hole group includes two wiring holes, and connects with two wiring holes in group along first
The neutral line of extension bar is symmetrical arranged, and the connecting line of fiber grating bracing wire sensor is connected at wiring hole.
Further, head rod is at least two, and installing base frame also includes at least one second connecting rod, at least two
Individual head rod is connected by the second connecting rod.
Further, the height of vertical rod can be adjusted.
Further, head rod is adjustably connected with vertical rod by the first fastener locations.
Further, the top of vertical rod is provided with the first mounting hole, and the end of head rod is located in the first mounting hole
It is interior, and be connected by the first fastener with two vertical rods.
Further, the two ends of each head rod are respectively arranged with a vertical rod, and two neighboring head rod is parallel
Set, head rod is vertically arranged with the second connecting rod.
Further, the second mounting hole is provided with head rod, the two ends of the second connecting rod are located in second respectively
In mounting hole, and it is connected by the second fastener with two head rods.
It is used for the Monitoring method of the subsidence of full hall supporting construction there is provided a kind of according to another aspect of the present invention, using upper
The full hall support mechanism for monitoring stated, Monitoring method of the subsidence includes：Step S1：Full hall support mechanism for monitoring is arranged on full hall support
At structure, and full hall support mechanism for monitoring vertical rod from full hall supporting construction to overhanging；Step S2：Will full hall support monitoring
The part fiber grating stay wire sensor of mechanism is attached on the top plate of full hall supporting construction, and full hall is supported into the another of mechanism for monitoring
A part of fiber grating bracing wire sensor is attached on the ground where full hall supporting construction；Step S3：The light being connected with top plate
Fine grating stay wire sensor is used for the top sedimentation value ω for monitoring top plate1With top differential settlement value △ ω1, it is connected with ground
Fiber grating bracing wire sensor be used to monitor the ground settlement value ω of ground2With earth's surface differential settlement value △ ω2；Step S4：
By top sedimentation value ω1With preset standard sedimentation value ω0It is compared, to determine whether full hall supporting construction is safe.
Further, in step s3, top differential settlement value △ ω1By multiple fiber grating pulls being connected with top plate
Line sensor and determine；Earth's surface differential settlement value △ ω2It is true by multiple fiber grating bracing wire sensors being connected with ground
It is fixed.
Further, in step s3, as top sedimentation value ω1More than preset standard sedimentation value ω0When, judge full hall branch
Support structure is dangerous；Or as top sedimentation value ω1Less than or equal to preset standard sedimentation value ω0When, full hall supporting construction is safety
's.
Apply the technical scheme of the present invention, full hall support mechanism for monitoring includes installing base frame and multiple fiber grating bracing wires are passed
Sensor.Wherein, installing base frame includes multiple vertical rods and head rod, and multiple vertical rods are arranged on ground.At least two vertical rods
Connected by head rod, be provided with multiple wiring holes group on head rod, multiple wiring holes group is along head rod
Length direction is arranged at intervals, and each wiring hole group includes two wiring holes, and with two wiring holes in group along head rod
Neutral line is symmetrical arranged, and the connecting line of fiber grating bracing wire sensor is connected at wiring hole.Multiple fiber grating bracing wire sensings
Device is arranged in detected member and is connected with (FBG) demodulator.
So, the full hall support mechanism for monitoring in the application can monitor the neutral line for being located at head rod respectively simultaneously
The monitored part of both sides, then staff can to different monitored parts simultaneously be monitored in real time, facilitate staff couple
The sedimentations of the monitored parts of difference are identified so that monitoring of the full hall support mechanism for monitoring to being monitored part it is more accurate and
Accurately.
During using the full monitored part sedimentation of hall support mechanism for monitoring monitoring, when monitored part is settled,
Fiber grating bracing wire sensor can synchronously be settled with monitored part, and connecting line can be relative in fiber grating bracing wire sensor
Portion produces displacement, then corresponding strain can occur for fiber grating bracing wire sensor internal, and (FBG) demodulator is demodulated by the strain value
The sedimentation of monitored part, so as to realize the purpose settled by the monitored part of fiber grating bracing wire sensor monitoring in real time.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the master that the embodiment in full hall supporting construction is applied according to the full hall support mechanism for monitoring of the present invention
View；
Fig. 2 shows enlarged diagram at the A of the full hall support mechanism for monitoring in Fig. 1；
Fig. 3 shows enlarged diagram at the B of the full hall support mechanism for monitoring in Fig. 1；
Fig. 4 shows the side view of the vertical rod in Fig. 1；
Fig. 5 shows that full hall support mechanism for monitoring applies the dimensional structure diagram in full hall supporting construction in Fig. 1；
Fig. 6 shows the front view of the second connecting rod in Fig. 5；
Fig. 7 shows the sectional view of the fiber grating bracing wire sensor in Fig. 1；
Fig. 8 shows the dimensional structure diagram of the wiring construction in Fig. 7.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, housing；11st, the first demarcation hole；20th, pull bar is measured；21st, bar body；22nd, block；31st, optical fiber grating sensing
Device；311st, spring；312nd, metal capillary；313rd, fiber grating fixing terminal；314th, temperature-compensating grating；41st, connector；
42nd, connection ring；43rd, connecting line；44th, connecting ring；51st, nut；60th, return unit；70th, installing base frame；71st, vertical rod；711st, first
Mounting hole；712nd, fastening bolt；72nd, head rod；721st, wiring hole；722nd, the second mounting hole；73rd, the second connecting rod；80、
Fiber grating bracing wire sensor；91st, the first fastener；92nd, the second fastener；100th, full hall supporting construction；101st, top plate；110、
Ground.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is pointed out that unless otherwise specified, all technologies used in this application and scientific terminology have and the application
The identical meanings that person of an ordinary skill in the technical field is generally understood that.
In the present invention, in the case where not making opposite explanation, the noun of locality used is typically directed to accompanying drawing as " upper and lower "
For shown direction, or on vertical, vertical or gravity direction；Similarly, for ease of understanding and retouch
State, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the inside and outside of the profile relative to each part in itself,
But the above-mentioned noun of locality is not intended to limit the invention.
It is full this application provides one kind in order to solve to expire in the prior art the problem of hall support mechanism for monitoring monitoring accuracy is low
Hall support mechanism for monitoring and the Monitoring method of the subsidence for full hall supporting construction.
It should be noted that in the present embodiment, it is full hall supporting construction 100 and ground 110 to be monitored part, passes through connection
Fiber grating bracing wire sensor 80 is connected by line 43 with full hall supporting construction 100 or ground 110, to monitor full hall support knot
The displacement that structure 100 and ground 110 sink.
As shown in Figures 1 to 5, the full hall support mechanism for monitoring in the present embodiment includes installing base frame 70 and fiber grating pull
Line sensor 80, fiber grating bracing wire sensor 80 is multiple, and multiple fiber grating bracing wire sensors 80 are arranged on monitored
On part, multiple fiber grating bracing wire sensors 80 are connected with (FBG) demodulator, and the connecting line 43 of each fiber grating bracing wire sensor 80 is equal
It is connected in installing base frame 70, installing base frame 70 includes multiple vertical rods 71 and head rod 72.Wherein, multiple vertical rods 71 are set
On ground 110.At least two vertical rods 71 are connected by head rod 72, and multiple wiring holes are provided with head rod 72
Group, length direction of multiple wiring holes group along head rod 72 is arranged at intervals, and each wiring hole group includes two wiring holes 721,
And be symmetrical arranged with neutral line of two wiring holes 721 along head rod 72 in group, fiber grating bracing wire sensor 80
Connecting line 43 is connected at wiring hole 721.
Full hall support mechanism for monitoring in the present embodiment can monitor the neutral line for being located at head rod 72 respectively simultaneously
The monitored part of both sides, then staff can to different monitored parts simultaneously be monitored in real time, facilitate staff couple
The sedimentations of the monitored parts of difference are identified so that monitoring of the full hall support mechanism for monitoring to being monitored part it is more accurate and
Accurately.
During using the full monitored part sedimentation of hall support mechanism for monitoring monitoring, when monitored part is settled,
Fiber grating bracing wire sensor 80 can synchronously be settled with monitored part, and connecting line 43 can be relative to fiber grating bracing wire sensor
80 inside produces displacement, then corresponding strain can occur for the inside of fiber grating bracing wire sensor 80, and (FBG) demodulator passes through the strain
Value demodulates the sedimentation of monitored part, so as to realize what is settled by the monitored part of the monitoring in real time of fiber grating bracing wire sensor 80
Purpose.
Alternatively, multiple fiber grating bracing wire sensors 80 are connected on same harvester case by (FBG) demodulator, with reality
Existing Long-range Data Transmission.
Alternatively, head rod 72 is at least two, and installing base frame 70 also includes at least one second connecting rod 73, extremely
Few two head rods 72 are connected by the second connecting rod 73.As shown in Figure 5 and Figure 6, prison is supported in the full hall of the present embodiment
Survey in mechanism, vertical rod 71 is four, head rod 72 is two, the second connecting rod 73 is five, two head rods 72
Connected by five the second connecting rods 73.Above-mentioned setting not only causes the structure of installing base frame 70 more to stablize, and also causes optical fiber
The set location of grating stay wire sensor 80 is more flexible, facilitates staff to install.
It should be noted that in the accompanying drawings in unshowned other embodiment, multiple wiring holes group is arranged on the second company
On extension bar, so that the set location of fiber grating stay wire sensor is more flexible on full hall support mechanism for monitoring, direction work
Make the installation operation of personnel.
It should be noted that in the accompanying drawings in unshowned other embodiment, multiple wiring holes group is arranged on the first company
On extension bar and the second connecting rod, so that full hall supports the set location of fiber grating stay wire sensor on mechanism for monitoring more
Flexibly, the installation operation of direction staff.
Alternatively, the connecting rod 73 of head rod 72 and/or second is rectangular shaft.There is rectangular shaft preferable rotation stop to make
With so as to improve the stability of installing base frame 70, preventing the fiber grating bracing wire sensor 80 being arranged in installing base frame 70 from sending out
Give birth to displacement and influence monitoring accuracy.
As shown in figure 4, in the full hall support mechanism for monitoring of the present embodiment, the height of vertical rod 71 can be adjusted.It is above-mentioned to set
The monitored part that ensure that full hall support mechanism for monitoring is applied to a variety of height is put, the practicality that full hall supports mechanism for monitoring is improved
Property and applicability.In addition, above-mentioned setting causes the Height Adjustable of the head rod 72 being connected in vertical rod 71, so that convenient
Staff installs fiber grating bracing wire sensor 80.
Alternatively, vertical rod 71 is made up of two mutually nested sleeve pipes.When staff needs to adjust the height of vertical rod 71
When, the fastening bolt 712 set in vertical rod 71 is backed out so that two sleeve pipes can realize relative movement, until regulation to conjunction
Suitable height, fastening bolt 712 is tightened in so that the position of two sleeve pipes to be fixed in vertical rod 71, so as to complete the height of vertical rod 71
Regulation.Simple in construction, the easily realization of said structure.
As shown in Figure 1 and Figure 4, in the full hall support mechanism for monitoring of the present embodiment, head rod 72 leads to vertical rod 71
Connect with crossing the position-adjustable of the first fastener 91.Alternatively, the first fastener 91 is bolt.Specifically, bolt is fed through
Head rod 72 and the overlapping of vertical rod 71, and be tightened on head rod 72, so as to realize head rod 72 with standing
Bar 71 is detachably connected.In addition, the adjustable connection of the two make it that assembling of the staff to the two is more flexible, so as to carry
High efficiency of assembling, shortens assembling and takes, and the full hall of reduction supports the processing cost of mechanism for monitoring.
As shown in figure 4, in the full hall support mechanism for monitoring of the present embodiment, the top of vertical rod 71 is provided with the first mounting hole
711, the end of head rod 72 is located in the first mounting hole 711, and is connected by the first fastener 91 with two vertical rods 71
Connect.Specifically, the end of head rod 72 is located in after the first mounting hole 711, and the first fastener 91 is passed through into vertical rod 71 simultaneously
It is tightened on head rod 72, so as to realize the assembling of the two.Said structure it is simple in construction, be easily worked.
As shown in figure 5, in the full hall support mechanism for monitoring of the present embodiment, the two ends of each head rod 72 are set respectively
There is a vertical rod 71, two neighboring head rod 72 is be arranged in parallel, and head rod 72 is vertically arranged with the second connecting rod 73.
Said structure causes the structure of installing base frame 70 more neat, firm, and structural strength is higher, and outward appearance is more attractive in appearance.
As shown in Figure 1 and Figure 5, in the full hall support mechanism for monitoring of the present embodiment, the is provided with head rod 72
Two mounting holes 722, the two ends of the second connecting rod 73 are located in the second mounting hole 722 respectively, and by the second fastener 92 with
Two head rods 72 are connected.Alternatively, the second fastener 92 is bolt.Bolt is standard component, can reduce full hall support
The processing cost of mechanism for monitoring.
Specifically, the two ends of the second connecting rod 73 are located in after the second mounting hole 722 respectively, and the second fastener 92 is passed through
Head rod 72 is simultaneously tightened in the second connecting rod 73, so as to realize the assembling of the two.Said structure it is simple in construction, easily
Processing.
It is used for the Monitoring method of the subsidence of full hall supporting construction present invention also provides a kind of, is supported and supervised using above-mentioned full hall
Mechanism is surveyed, Monitoring method of the subsidence comprises the following steps：
Step S1：Full hall support mechanism for monitoring is arranged at full hall supporting construction 100, and full hall support mechanism for monitoring
Vertical rod 71 from full hall supporting construction 100 to overhanging；
Step S2：The part fiber grating stay wire sensor 80 that full hall supports mechanism for monitoring is attached to full hall supporting construction
On 100 top plate 101, support another part fiber grating bracing wire sensor 80 of mechanism for monitoring to be attached to full hall full hall and support
On ground 110 where structure 100；
Step S3：The fiber grating bracing wire sensor 80 being connected with top plate 101 is used for the top sedimentation value for monitoring top plate 101
ω1With top differential settlement value △ ω1, the fiber grating bracing wire sensor 80 being connected with ground 110 is for monitoring ground 110
Ground settlement value ω2With earth's surface differential settlement value △ ω2；
Step S4：By top sedimentation value ω1With preset standard sedimentation value ω0It is compared, to determine full hall supporting construction
Whether 100 is safe.
Alternatively, vertical rod 71 and completely the distance between outer end of hall supporting construction 100 are 2~more than 3m.Above-mentioned setting energy
Enough ensure that vertical rod 71 will not be settled, and then the connecting rod 73 of head rod 72 and second being connected in vertical rod 71 will not
Settle, so that it is guaranteed that the monitoring accuracy of fiber grating bracing wire sensor 80, the degree of accuracy.
Specifically, the fiber grating bracing wire sensor 80 on the upside of the neutral line of head rod 72 is arranged on top plate
On 101, the top sedimentation value ω for monitoring top plate 1011With top differential settlement value △ ω1；Positioned at head rod 72
Fiber grating bracing wire sensor 80 on the downside of neutral line is arranged on ground 110, the ground settlement value for monitoring ground 110
ω2With earth's surface differential settlement value △ ω2.So, staff is by comparing top sedimentation value ω1With preset standard sedimentation value
ω0, then can show whether the full hall supporting construction 100 in the present embodiment can occur be collapsed.In above process, fiber grating pull
Line sensor 80 can not only detect the sedimentation of the top plate 101 of full hall supporting construction 100, can also detect full hall support knot
The sedimentation of the place ground 110 of structure 100, so as to realize that fiber grating bracing wire sensor 80 is distinguished with ground 110 top plate 101
Monitoring, so as to accurately draw the sedimentation value of full hall supporting construction 100, improves staff to full hall supporting construction 100
Monitoring accuracy.
So, the full hall support mechanism for monitoring technical ability in the application realizes the real-time monitoring to full hall supporting construction 100, also
The monitoring accuracy to full hall supporting construction 100 can be improved, the use safety coefficient of full hall supporting construction 100 is improved.
As shown in figure 1, in the Monitoring method of the subsidence of the present embodiment, in step s3, top differential settlement value △ ω1
Determined by multiple fiber grating bracing wire sensors 80 being connected with top plate 101；Earth's surface differential settlement value △ ω2By it is multiple with
Ground 110 connect fiber grating bracing wire sensor 80 and determine.
Specifically, the connecting line 43 of multiple fiber grating bracing wire sensors 80 is connected on wiring hole 721, and wiring hole
721 are arranged on head rod 72, and multiple fiber grating bracing wire sensors 80 are arranged on top plate 101, then above-mentioned optical fiber light
Grid stay wire sensor 80 can detect the sedimentation value along each position of 72 length direction upper plate of head rod 101, if on
State difference (the differential settlement value △ ω of multiple sedimentation values1) be zero, then the top plate 101 of completely hall supporting construction 100 does not occur not
Uniform settlement；If difference (the differential settlement value △ ω of above-mentioned multiple sedimentation values1) be not zero, then the full top of hall supporting construction 100
Plate 101 there occurs differential settlement, it is necessary to carry out flattening operation.
Specifically, the connecting line 43 of multiple fiber grating bracing wire sensors 80 is connected on wiring hole 721, and wiring hole
721 are arranged on head rod 72, and multiple fiber grating bracing wire sensors 80 are arranged on ground 110, then above-mentioned optical fiber light
Grid stay wire sensor 80 can detect the sedimentation value at each position of ground 110 along along the length direction of head rod 72, if on
State difference (the differential settlement value △ ω of multiple sedimentation values2) be zero, then differential settlement does not occur for ground 110；If above-mentioned many
Difference (the differential settlement value △ ω of individual sedimentation value2) be not zero, then ground 110 there occurs differential settlement.
In the Monitoring method of the subsidence of the present embodiment, in step s3, as top sedimentation value ω1More than preset standard sedimentation
Value ω0When, judge that full hall supporting construction 100 is dangerous；Or as top sedimentation value ω1Less than or equal to preset standard sedimentation value ω0
When, full hall supporting construction 100 is safe.
Specifically, in the present embodiment, the concrete structure of fiber grating bracing wire sensor 80 is as follows：
As shown in fig. 7, fiber grating bracing wire sensor 80 includes housing 10, measurement pull bar 20 and fiber grating packaging arrangement.Its
In, housing 10 has inner chamber.One end of measurement pull bar 20 is worn in the lumen, and the other end of measurement pull bar 20 is stretched in inner chamber
Go out.Fiber grating packaging arrangement is connected with (FBG) demodulator, and fiber grating packaging arrangement is set in the lumen, and fiber grating packaging arrangement is by multiple optical fiber
Grating sensor 31 is constituted, and cavity wall of each fiber-optic grating sensor 31 respectively with measurement pull bar 20 and inner chamber is connected, and works as survey
Amount pull bar 20 to inner chamber overhang when, part fiber grating sensor 31 is stretched, and measurement pull bar 20 into inner chamber when stretching into, separately
A part of fiber-optic grating sensor 31 is stretched.
So, cavity wall of each fiber-optic grating sensor 31 of fiber grating packaging arrangement with measurement pull bar 20 and inner chamber is connected,
It is protruding or during being stretched into inner chamber from inner chamber in measurement pull bar 20, there is corresponding fiber-optic grating sensor 31 all the time
It is stretched, then can produces corresponding strain on the fiber-optic grating sensor 31, (FBG) demodulator demodulates measurement pull bar by strain value
20 displacement, so as to realize the purpose of the displacement by the pull bar 20 of monitoring measurement in real time of fiber-optic grating sensor 31.So, optical fiber
Grating stay wire sensor 80 can realize to measure pull bar 20 real-time displacement monitoring, the displacement refer to measurement pull bar 20 from inner chamber to
The displacement for overhanging or being stretched into inner chamber, i.e. fiber grating bracing wire sensor 80 realize the way moving to measuring pull bar 20
Amount monitoring, improves accuracy and the degree of accuracy of settlement monitoring.
As shown in fig. 7, the two ends of part fiber grating sensor 31 connect with the lower cavity wall and measurement pull bar 20 of inner chamber respectively
Connect, the two ends of another part fiber-optic grating sensor 31 are connected with the upper cavity wall and measurement pull bar 20 of institute inner chamber respectively.Specifically,
During user is monitored using the displacement of fiber grating bracing wire 80 pairs of measurement pull bars 20 of sensor, when measurement pull bar 20
When being overhang to inner chamber, the part fiber grating sensor 31 being connected with lower cavity wall is by action of pulling stress, its back wave long hair
Raw to change and produce certain strain, user can demodulate the displacement of measurement pull bar 20 by (FBG) demodulator；When measurement pull bar 20
When being stretched into inner chamber, another part fiber-optic grating sensor 31 being connected with upper cavity wall is by action of pulling stress, its back wave
Long to change and produce certain strain, user can demodulate the displacement of measurement pull bar 20 by (FBG) demodulator, so as to realize
The way moving amount monitoring of 80 pairs of measurement pull bars 20 of fiber grating bracing wire sensor.So, above-mentioned connection causes fiber grating to pass
Sense component is arranged on the moving direction of measurement pull bar 20, thus improve the measuring accuracy of optical fiber grating sensing component, it is accurate
Degree.In addition, above-mentioned setting make it that the assembling of fiber-optic grating sensor 31 and housing 10 is easier.
As shown in fig. 7, fiber-optic grating sensor 31 includes spring 311, metal capillary 312, the optical fiber light being sequentially connected
Grid fixing terminal 313, and the close spring 311 of fiber-optic grating sensor 31 one end with measurement pull bar 20 be connected, fiber grating
One end of the close fiber grating fixing terminal 313 of sensor 31 and the cavity wall of inner chamber are connected.Specifically, metal capillary 312
For improving the sensitivity of fiber-optic grating sensor 31, so as to improve the measuring accuracy of fiber-optic grating sensor 31.Optical fiber light
Grid fixing terminal 313 is connected with (FBG) demodulator, so as to monitor the dependent variable of fiber grating fixing terminal 313, and then is monitored and optical fiber
The displacement for the measurement pull bar 20 that grating sensor 31 is connected.
As shown in fig. 7, fiber-optic grating sensor 31 also includes temperature-compensating grating 314, play a part of temperature-compensating.
As shown in fig. 7, fiber grating bracing wire sensor 80 also includes wiring construction, pull bar 20 will be measured by wiring construction
It is connected with the top plate 101 or ground 110 of full hall supporting construction 100.So that the connection of the two is apart from adjustable, the two convenient connection.
So, measurement pull bar 20 and the top plate 101 or ground 110 of full hall supporting construction 100 are linked together by wiring construction, the two
Motion there is synchronism.
Specifically, when ground 110 is moved downward and (settled), measurement pull bar 20 is overhang to inner chamber, then with cavity of resorption
Wall connection part fiber grating sensor 31 is by tension and produces strain, user can demodulate measurement by (FBG) demodulator
The upward displacement of pull bar 20, because the displacement for measuring pull bar 20 is the sinking displacement of ground 110, and then draws ground 110
Downward displacement；When the top plate 101 of full hall supporting construction 100 is moved downward and (settled), measurement pull bar 20 is stretched to inner chamber
Enter, then the part fiber grating sensor 31 being connected with upper cavity wall is by tension and produces strain, user can pass through demodulation
Instrument demodulates the downward displacement of measurement pull bar 20, because the displacement for measuring pull bar 20 is the displacement of top plate 101, and then draws top
The downward displacement of plate 101.Above-mentioned setting causes staff to the top plate 101 of full hall supporting construction 100 and sinking for ground 110
Drop monitoring is easier.
As shown in fig. 7, length direction of the wiring construction along measurement pull bar 20 is adjustably set, fiber grating bracing wire sensing
Device 80 also includes stringing structure, and wiring construction is locked by stringing structure with measurement pull bar 20.So, it will be surveyed by wiring construction
Amount pull bar 20 is connected with the top plate 101 or ground 110 of full hall supporting construction 100, and is passed through after the two is connected to proper height
Stringing structure locks wiring construction with measurement pull bar 20, so that measurement pull bar 20 and the top plate of full hall supporting construction 100
The displacement sunk during 101 construction is consistent.
As shown in Figure 7 and Figure 8, measurement pull bar 20 has otch, and otch is extended downwardly by the upper surface of measurement pull bar 20, connect
Cable architecture includes connector 41, and connector 41 is slidably disposed in otch and can moved up and down relative to measurement pull bar 20.
Preferably, connector 41 is dowel.Specifically, the upper surface first from measurement pull bar 20 loads dowel in otch, afterwards,
Dowel is locked with measuring pull bar 20 at the proper height position of measurement pull bar 20 using stringing structure, so that by dowel
It is assembled together with measurement pull bar 20, measurement pull bar 20 is moved together with dowel.So, the top of full hall supporting construction 100
When the axial direction of plate 101 or the operation dowel of ground 110 along measurement pull bar 20 is moved, measurement pull bar 20 also can be with connection
Muscle and top plate 101 or ground 110 are moved together.Said structure it is simple in construction, be easily worked and assemble.
As shown in Figure 7 and Figure 8, wiring construction also includes connection ring 42, and connection ring 42 is slideably set in measurement pull bar
20 lateral wall, and the two ends of connector 41 are connected with connection ring 42.Specifically, in connector 41 relative to measurement pull bar 20
During moving up and down, connection ring 42 enters line slip relative to measurement pull bar 20.Connection ring 42 is set to facilitate stringing knot
Structure will measure pull bar 20 and wiring construction and lock, so, user need locking wiring construction connection ring 42 need to only be locked,
Spacing operation.Above-mentioned setting make it that the operation of user's docking cable architecture is easier, so as to improve user experience.
Preferably, stringing structure is that screw thread is provided with multiple nuts 51, the lateral wall for measuring pull bar 20, and nut 51 is with surveying
Amount pull bar 20 is threadedly coupled to be folded between nut 51 to be locked by connection ring 42.As shown in fig. 7, in the light of the present embodiment
In fine grating stay wire sensor 80, stringing structure is to be provided with screw thread, nut on two nuts 51, the lateral wall for measuring pull bar 20
51 are threadedly coupled connection ring 42 are folded between two nuts 51 to be locked with measurement pull bar 20.Specifically, in connection
During part 41 is moved up and down relative to measurement pull bar 20, after measurement pull bar 20 is moved to proper height, user is pointed to
The nut 51 of the upper end of connection ring 42 and the nut 51 of lower end carry out torquing operations, above and below nut 51 is carried out relative to measurement pull bar 20
It is mobile, so that wiring construction is fixed on measurement pull bar 20 so that the two with full hall supporting construction 100 top plate 101 or
Ground 110 is moved together.Threaded connection of the nut 51 with measuring pull bar 20 is relatively simple, so that the assembling of the two is more held
Easily.
It should be noted that the structure not limited to this of stringing structure.Alternatively, as long as stringing structure can be to connection ring 42
Play limit stops effect.
As shown in figure 8, wiring construction also includes connecting line 43, the first end of connecting line 43 is connected with connector 41, is connected
Second end of line 43 is provided with connecting ring 44 and is connected with the top plate 101 or ground 110 of full hall supporting construction 100.Specifically, connect
One end of wire loop 44 is connected with top plate 101 or ground 110, and the other end is connected with the second end of connecting line 43, and connecting line 43
First end be connected with connector 41.After connector 41 is connected with the measurement locking of pull bar 20, measurement pull bar 20 and top are realized
The connection of plate 101 or ground 110.Simple in construction, the easily assembling of said structure.
As shown in fig. 7, fiber grating bracing wire sensor 80 also includes setting return unit 60 in the lumen, return unit 60 is supported
It is connected between the cavity wall of inner chamber and measurement pull bar 20, so that measurement pull bar 20 has outwardly directed movement tendency all the time.Surveying
Measure during pull bar 20 moves together with the top plate 101 or ground 110 of full hall supporting construction 100, return unit 60 is to measurement
Pull bar 20 applies elastic acting force, so that measurement pull bar 20 is more steady relative to the motion of housing 10, reduces optical fiber light
The vibration of grid stay wire sensor 80 and noise.
Preferably, return unit 60 is spring.Spring is conventional part, reduces being processed into for fiber grating bracing wire sensor 80
This.
As shown in fig. 7, measurement pull bar 20 includes bar body 21 and is arranged on the block 22 of the lower section of bar body 21, inner chamber
Cavity wall be provided with stop part for backstop block 22, along the length direction of measurement pull bar 20,60 points of stop part and return unit
Not Wei Yu block 22 both sides.So, after measurement pull bar 20 rises to precalculated position, block 22 and stop part counter stopper,
Measurement pull bar 20 can not be further continued for rising afterwards.On the one hand, above-mentioned setting can prevent measurement pull bar 20 by out of housing 10
Pulled out in chamber, cause fiber grating bracing wire sensor 80 to be damaged；On the other hand, above-mentioned setting defines measurement pull bar 20 most
Wide-measuring range, so as to ensure that user measures in the range of the security measurement of measurement pull bar 20.
As shown in fig. 7, inner chamber has the demarcation chamber and measurement chamber that the stretching direction along measurement pull bar 20 is sequentially communicated, optical fiber
Grating sensor 31 is arranged on measurement intracavitary, and return unit 60 and block 22 are arranged on demarcation intracavitary, and demarcation chamber leads to measurement chamber
Stop part is crossed to separate.Normally, the top plate of full hall supporting construction 100 is carried out using fiber grating bracing wire sensor 80 in user
101 or ground 110 settlement monitoring process when, in order that must measure more accurate, it is necessary to fiber grating bracing wire sensor 80
(initialization) is demarcated, now, fiber-optic grating sensor 31 is in free elongation state, does not produce strain, (FBG) demodulator
Measured value be zero.Return unit 60 drives block 22 to move up and down, and realizes to fiber grating bracing wire sensor 80 to be demarcation.
As shown in fig. 7, fiber grating bracing wire sensor 80 also includes calibration element, housing 10 has is communicated to mark by its outer wall
Determine the first demarcation hole 11 of chamber, block 22 has the second demarcation hole, and the bearing of trend in hole is demarcated in the first demarcation hole 11 and second
It is each perpendicular to measure the length direction of pull bar 20, when the first demarcation hole 11 and coaxial the second demarcation hole, calibration element is sequentially passed through
First demarcation hole 11 and second demarcation hole is demarcated to the initial position for measuring pull bar 20.Preferably, calibration element is bearing pin.Tool
Body, the installation of fiber grating bracing wire sensor 80 and calibration process are as follows：
1. installation process：The top plate of the full hall supporting construction 100 of 80 pairs of fiber grating bracing wire sensor is needed to use in user
101 or ground 110 carry out settlement monitoring when, fiber grating bracing wire sensor 80 is first fixed on top plate 101 or ground 110
On, linked together by wiring construction by pull bar 20 is measured with top plate 101 or ground 110, afterwards, will by stringing structure
Wiring construction is locked with measurement pull bar 20.So, the installation of fiber grating bracing wire sensor 80 is completed.
2. calibration process：User side adjusts position of the wiring construction relative to measurement pull bar 20, while being detected using calibration element
Whether the first demarcation hole and the second demarcation hole are coaxial, and when the first demarcation hole and coaxial the second demarcation hole, calibration element can be without hindrance
Hinder through first demarcation hole and second demarcation hole when, fiber-optic grating sensor 31 be in free elongation state, then complete to light
The demarcation of fine grating stay wire sensor 80.
Afterwards, user monitors the sedimentation change of the top plate 101 or ground 110 of full hall supporting construction 100 by (FBG) demodulator
, and then improve accuracy and the degree of accuracy of settlement monitoring.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
Full hall support mechanism for monitoring in the application can monitor the neutral line both sides for being located at head rod respectively simultaneously
Monitored part, then staff can to different monitored parts simultaneously be monitored in real time, facilitate staff to difference
The sedimentation of monitored part is identified, so that monitoring of the full hall support mechanism for monitoring to being monitored part is more accurate and accurate
Really.
During using the full monitored part sedimentation of hall support mechanism for monitoring monitoring, when monitored part is settled,
Fiber grating bracing wire sensor can synchronously be settled with monitored part, and connecting line can be relative in fiber grating bracing wire sensor
Portion produces displacement, then corresponding strain can occur for fiber grating bracing wire sensor internal, and (FBG) demodulator is demodulated by the strain value
The sedimentation of monitored part, so as to realize the purpose settled by the monitored part of fiber grating bracing wire sensor monitoring in real time.
Obviously, above-mentioned described embodiment is only the embodiment of a part of the invention, rather than whole embodiments.
Based on the embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under the premise of creative work is not made
Other embodiment, should all belong to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, work, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating herein
Or the order beyond those of description is implemented.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of full hall support mechanism for monitoring, it is characterised in that including installing base frame (70) and fiber grating bracing wire sensor
(80), the fiber grating bracing wire sensor (80) is multiple, and multiple fiber grating bracing wire sensors (80) are arranged on
On monitored part, multiple fiber grating bracing wire sensors (80) are connected with (FBG) demodulator, each fiber grating bracing wire sensing
The connecting line (43) of device (80) is connected in the installing base frame (70), and the installing base frame (70) includes：
Multiple vertical rods (71), are arranged on ground (110)；
Head rod (72), vertical rod described at least two (71) is connected by the head rod (72), and described first connects
It is provided with extension bar (72) between multiple wiring holes group, length direction of multiple wiring hole groups along the head rod (72)
Every setting, each wiring hole group includes two wiring holes (721), and with two wiring holes (721) in group along described
The neutral line of head rod (72) is symmetrical arranged, the connecting line (43) connection of the fiber grating bracing wire sensor (80)
To wiring hole (721) place.
2. full hall support mechanism for monitoring according to claim 1, it is characterised in that the head rod (72) is at least
Two, the installing base frame (70) also includes at least one second connecting rod (73), head rod described at least two (72)
Connected by second connecting rod (73).
3. full hall support mechanism for monitoring according to claim 1 or 2, it is characterised in that the height energy of the vertical rod (71)
Enough regulations.
4. full hall support mechanism for monitoring according to claim 1 or 2, it is characterised in that the head rod (72) with
The vertical rod (71) is connected by the first fastener (91) position-adjustable.
5. full hall support mechanism for monitoring according to claim 4, it is characterised in that the top of the vertical rod (71) is provided with
First mounting hole (711), the end of the head rod (72) is located in first mounting hole (711), and passes through institute
The first fastener (91) is stated to be connected with two vertical rods (71).
6. full hall support mechanism for monitoring according to claim 2, it is characterised in that the two of each head rod (72)
End is respectively arranged with a vertical rod (71), and the two neighboring head rod (72) be arranged in parallel, first connection
Bar (72) is vertically arranged with second connecting rod (73).
7. full hall support mechanism for monitoring according to claim 6, it is characterised in that set on the head rod (72)
There is the second mounting hole (722), the two ends of second connecting rod (73) are located in second mounting hole (722) respectively, and
It is connected by the second fastener (92) with two head rods (72).
8. a kind of be used for the Monitoring method of the subsidence of full hall supporting construction, it is characterised in that using any one of claim 1 to 7
Described full hall support mechanism for monitoring, the Monitoring method of the subsidence includes：
Step S1：The full hall support mechanism for monitoring is arranged on full hall supporting construction (100) place, and the full hall support monitoring
The vertical rod (71) of mechanism is overhang by described full hall supporting construction (100) introversion；
Step S2：The part fiber grating stay wire sensor (80) of the full hall support mechanism for monitoring is attached to the full hall branch
On the top plate (101) of support structure (100), the full hall is supported to another part fiber grating bracing wire sensor of mechanism for monitoring
(80) it is attached on the ground (110) completely where hall supporting construction (100)；
Step S3：The fiber grating bracing wire sensor (80) being connected with the top plate (101) is used to monitor the top plate
(101) top sedimentation value ω1With top differential settlement value △ ω1, the fiber grating being connected with the ground (110)
Stay wire sensor (80) is used for the ground settlement value ω for monitoring the ground (110)2With earth's surface differential settlement value △ ω2；
Step S4：By the top sedimentation value ω1With preset standard sedimentation value ω0It is compared, to determine that the full hall support is tied
Whether structure (100) is safe.
9. Monitoring method of the subsidence according to claim 8, it is characterised in that in the step S3,
The top differential settlement value △ ω1By multiple fiber grating bracing wire sensors being connected with the top plate (101)
(80) determine；
The earth's surface differential settlement value △ ω2By multiple fiber grating bracing wire sensors being connected with the ground (110)
(80) determine.
10. Monitoring method of the subsidence according to claim 8, it is characterised in that in the step S3,
As the top sedimentation value ω1More than the preset standard sedimentation value ω0When, judge the full hall supporting construction (100) no
Safety；Or
As the top sedimentation value ω1Less than or equal to the preset standard sedimentation value ω0When, the full hall supporting construction (100)
It is safe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710525755.7A CN107238368B (en) | 2017-06-30 | 2017-06-30 | Full-hall supporting and monitoring mechanism and settlement monitoring method for full-hall supporting structure |
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|---|---|---|---|
| CN201710525755.7A CN107238368B (en) | 2017-06-30 | 2017-06-30 | Full-hall supporting and monitoring mechanism and settlement monitoring method for full-hall supporting structure |
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| CN107238368B CN107238368B (en) | 2023-03-14 |
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| CN107238368B (en) | 2023-03-14 |
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