CN109695263A - A kind of building foundation sedimentation monitoring system - Google Patents
A kind of building foundation sedimentation monitoring system Download PDFInfo
- Publication number
- CN109695263A CN109695263A CN201910153458.3A CN201910153458A CN109695263A CN 109695263 A CN109695263 A CN 109695263A CN 201910153458 A CN201910153458 A CN 201910153458A CN 109695263 A CN109695263 A CN 109695263A
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- Prior art keywords
- rotary shaft
- sleeve
- magnet ring
- sedimentation
- core cable
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The present invention relates to groundwork detection technical fields, more specifically, it is related to a kind of building foundation sedimentation monitoring system, its key points of the technical solution are that: including mounting rack, settlement monitoring pvc pipe, sedimentation magnet ring, fixed magnet ring, single-core cable, measuring probe, automatic data acquisition system and rotary shaft, the sleeve for single-core cable winding is socketed in rotary shaft, locking mechanism is equipped between rotary shaft and sleeve, one end of rotary shaft is provided with driving motor；Settlement monitoring pvc pipe is vertically set in foundation, and the outside of settlement monitoring pvc pipe is equidistantly set with multiple sedimentation magnet rings, and fixed magnet ring is mounted on the nozzle of settlement monitoring pvc pipe, and the bottom of mounting rack is equipped with idler wheel, and mounting rack is equipped with positioning mechanism.The system in conjunction with fixed pulley and adds fixed magnet ring automatic data acquisition system by the single-core cable that is provided on sleeve, improves the precision of measurement, and the setting of idler wheel improves the mobility of device, the monitoring for facilitating building foundation to settle.
Description
Technical field
The present invention relates to groundwork detection technical fields, more specifically, it relates to a kind of building foundation settlement monitoring
System.
Background technique
With the development of Building technology, all kinds of template systems must be used in the construction of cast-in-place concrete structure.Existing
In the construction of pouring concrete structure, the engineering accident that template is collapsed is often occurred.The main original of template generation collapsing safety accident
Cause is various, such as template carrying load is excessive, template self-deformation is excessive, formwork-support foundation bearing capacity deficiency.
Formwork-support component failure is induced due to above, and partial collapse or overall collapse occurs, leads to wprks and scene
The pernicious safe mass accident of operating personnel's injures and deaths.With the development of the social economy, the progress of science and technology, the rule of architectural engineering
The trend incrementally increased, the more complicated multiplicity of the plane of building, facade is presented in mould, space and the scale of construction, therefore is needing to mould
The safety management of plate construction is put forward higher requirements.
In template collapsing and unstability crash analysis, because the accounting that ground problem causes an accident is larger.Formwork-support
Base processing is not in place, or does not press job specfication strict construction, causes foundation bearing capacity insufficient, occurs in concreting process
Sedimentation, support frame sink occur frame body deform it is excessive be template occur safety accident main reason.
Fig. 1 shows the magnet ring type delaminating deposition measuring device that existing foundation settlement monitoring uses, including settlement monitoring
The tester 201 that pvc pipe 2, sedimentation magnet ring 3, the measuring probe 6 of built-in magnetic field strength transducer, single-core cable 5 connect.Sedimentation
Monitoring 2 housing of pvc pipe puts multiple sedimentation magnet rings 3, and the sensor in measuring probe 6 detects magnet ring magnetic field signal and passes through list
Core cable 5 reaches tester 201, and tester 201 issues the sound, determines magnet ring 3 to really settle by the scale on single-core cable 5
Position, while corresponding mouth of pipe elevation is obtained by level measurement, by the test data of the different time of same observation station into
The settlement of foundation of row comparison you can get it the point, and the settling amount on each stratum can be obtained.
Existing magnet ring type delaminating deposition measuring device has the following problems: 1, the tester when measuring probe is close to magnet ring
The sound is issued, personnel to be tested carry out data acquisition after hearing sound again, and there are manually-operated delays and the mistake to vary with each individual
Difference；2, the mobility of the device is poor.Therefore it needs to improve.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of building foundation sedimentation monitoring systems, should
System in conjunction with fixed pulley and adds fixed magnet ring automatic data acquisition system by the single-core cable that is provided on sleeve, mentions
The high precision of measurement, while the setting of idler wheel improves the mobility of device, facilitates the monitoring of building foundation sedimentation.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of building foundation sedimentation
Monitoring system, including mounting rack, settlement monitoring pvc pipe, sedimentation magnet ring, fixed magnet ring, single-core cable, measuring probe, be set to
Automatic data acquisition system on mounting rack and horizontally rotate the rotary shaft being set on mounting rack, is socketed in the rotary shaft
There is the sleeve for single-core cable winding, is equipped between the rotary shaft and the sleeve and is skidded off for fixing or unlocking sleeve
The locking mechanism of rotary shaft, one end of the rotary shaft are provided with the driving motor for driving rotary shaft to rotate；The sedimentation
Monitoring pvc pipe is vertically set in foundation, and the outside of the settlement monitoring pvc pipe is equidistantly set with along its length
Multiple sedimentation magnet rings, the fixed nozzle for being mounted on the settlement monitoring pvc pipe of the fixed magnet ring, the measuring probe in
It is freely up and down moved in settlement monitoring pvc pipe, the measuring probe is connect by single-core cable with automatic data acquisition system；Institute
Sedimentation magnet ring structure annular in shape is stated, sedimentation magnet ring internal diameter is slightly larger than settlement monitoring pvc pipe outer diameter；The mounting rack rotation setting
There is the fixed pulley for guiding the single-core cable, the bottom of the mounting rack is provided with idler wheel, is provided on the mounting rack
Positioning mechanism for positioning installation frame.
By using above-mentioned technical proposal, the foundation sedimentation monitoring system in ground with common in application, first bored
Machine vertically drills to projected depth, while carrying out more piece settlement monitoring pvc pipe and connecting section by section and down toward bottom hole, and heavy
It is equidistant outside drop monitoring pvc pipe that sedimentation magnet ring is installed and drilling is backfilled, then fixed magnet ring is permanently fastened on settlement monitoring PVC
Then mounting rack is moved to tested point by nozzle, single-core cable one end on sleeve is connected to measuring probe, another
End is connected with automatic data acquisition system, and fixed pulley guides single-core cable, utilizes measuring probe settlement monitoring PVC
It is moved up and down under in pipe and pipe；
When magnetic field strength transducer detects magnet ring magnetic field in measuring probe, generates electromagnetic signal and transmitted by single-core cable
To automatic data acquisition system, the phase of fixed magnet ring and pipe interior different location and time at nozzle settled where magnet ring is measured
To position, is compared according to the difference data of measured sedimentation magnet ring and fixed magnet ring with historical data, can analyze and obtain each soil
The sedimentation value of layer；
Mounting rack conveniently can be moved to tested point using in the bottom of mounting rack setting idler wheel, enhance the machine of device
Dynamic property, while mounting rack is positioned by positioning mechanism, the offset of mounting rack is reduced, the setting of sleeve facilitates installation single
Cable, and sleeve is fixed or is unlocked using locking mechanism, conveniently realize between sleeve and rotary shaft can
Dismantling connection, convenient for measurement work after for the retracting of single-core cable and the replacement of later period sleeve.
Preferably, the positioning mechanism includes the screw rod being threadedly connected on mounting rack along the vertical direction, the screw rod
Bottom end is equipped with the abutting seat contacted with ground.
By using above-mentioned technical proposal, due to screw rod and mounting rack be threadedly engaged have the function of it is self-locking, i.e., can only spiral shell
Bar rotation drives abutting seat to move up and down, and drive screw rod rotation cannot be moved up and down by abutting seat, therefore when mounting rack needs admittedly
Periodically, screw rod is rotated, is pushed against so that abutting seat and moving down with ground, thus the feelings for avoiding idler wheel rotation from driving mounting base mobile
Condition occurs.
Preferably, the locking mechanism includes the slippage slot in rotary shaft, and sliding is connected with slotting in the slippage slot
Block is equipped with spring between the inserted block and the slot bottom of the slippage slot, the sleeve is equipped with the jack mating with inserted block,
Under natural conditions, slippage slot is protruded in the end of the inserted block to the spring.
By using above-mentioned technical proposal, slides the inserted block being connected in slippage slot and jack cooperates, limitation sleeve skids off
Rotary shaft achievees the purpose that fixes sleeve, and when needing to remove sleeve, inserted block is squeezed into slippage slot, so that inserted block and jack
Separation, so that sleeve is skidded off rotary shaft；Spring makes motor when driving rotary shaft band moving sleeve rotation, and inserted block will not be because of
The centrifugal force that rotary shaft rotation generates is skidded off out of slippage slot, achievees the purpose that fixed inserted block in slippage slot.
Preferably, surface of the inserted block far from the driving motor is in inclined-plane, the inner wall of the sleeve and the inclined-plane
It mutually abuts and mutually slides.
By using above-mentioned technical proposal, inclined-plane enables sleeve to be directly sleeved and fixed in rotary shaft, without that will insert
Block slides into slippage slot, and installation sleeve is more convenient；When being socketed sleeve, the barrel of sleeve squeezes inclined-plane, so that inserted block is to slippage slot
Slot bottom sliding so that sleeve is socketed in rotary shaft.
Preferably, the rotary shaft is equipped with positioning slide, and the positioning slide is arranged along the axial direction of rotary shaft, the set
Cylinder is equipped with the positioning runner that sliding is matched on positioning slide.
By using above-mentioned technical proposal, positioning runner and positioning slide sliding cooperate, so that sleeve is socketed on rotary shaft
When upper, the cooperation of inserted block and jack is easier, thus more convenient fixes sleeve.
Preferably, the sleeve is equipped with limited block far from the barrel of motor one end, when limited block and the separate electricity of rotary shaft
When the surface of machine abuts, the end of the inserted block is plugged in jack.
By using above-mentioned technical proposal, limited block limits sleeve along the axial movement of rotary shaft, with positioning runner and
Positioning slide cooperation, only need to be sliding along positioning runner by positioning slide when installation sleeve so that the cooperation of inserted block and jack is more acurrate
Enter, when limited block is abutted with rotary shaft far from the surface of motor, the end of inserted block can be made to be plugged in jack, user
Just.
Preferably, the rotary shaft is equipped with the strip groove being connected with slippage slot, institute far from the surface of the driving motor
The length direction that strip groove is stated along slippage slot is arranged, and is plugged with the push rod connecting with inserted block in the strip groove, the push rod
Protrude strip groove in end.
By using above-mentioned technical proposal, when needing to remove sleeve from rotary shaft, by push rod to close to slippage slot slot
The direction at bottom pushes, since push rod is connect with inserted block, so that inserted block is separated with the movement of push rod with jack, to reach unlocking sleeve
The purpose of cylinder, push rod separate inserted block more easily with jack.
Preferably, the opposite inner wall of the settlement monitoring pvc pipe offers guide groove, the list respectively along its length
The guide post with guide groove sliding cooperation is provided on core cable.
By using above-mentioned technical proposal, the sliding of guide post and guide groove cooperates so that single-core cable is in mobile process
In be not susceptible to deviate, and then improve the mobile stability of measuring probe, improve measurement accuracy.
Preferably, the automatic data acquisition system includes reading storage, and reading storage can be transmitted by receiving single-core cable
Magnet ring electromagnetic signal, it is automatic to read single-core cable line epidermis scale value, and store measuring probe and pass through sedimentation magnet ring and fixation
Scale difference data when magnet ring.
By using above-mentioned technical proposal, the movement of the single-core cable in driving motor at the uniform velocity control sleeve, reading storage can
With the magnet ring electromagnetic signal transmitted by receiving single-core cable, it is quick on the draw, single-core cable line epidermis at that time can be read automatically
Scale value, and scale difference data of the measuring probe by sedimentation magnet ring and fixed magnet ring when is stored, improve the precision of measurement.
Preferably, the sedimentation magnet ring outer edge is circumferentially provided with several band steel pieces, and several described band steel pieces to
Extend outside and upwards, the band steel piece is embedded in surrounding soil.
By using above-mentioned technical proposal, the setting of band steel piece enables sedimentation magnet ring to settle jointly with soil layer around.
In conclusion the invention has the following advantages:
1, the foundation sedimentation monitoring system in ground with ordi-nary drilling machine in application, first vertically drilled deep to designing
Degree, while carrying out more piece settlement monitoring pvc pipe and connecting and equidistantly installed down toward bottom hole, and outside settlement monitoring pvc pipe section by section
It settles magnet ring and drilling is backfilled, then fixed magnet ring is permanently fastened on settlement monitoring pvc pipe mouth, be then moved to mounting rack
Single-core cable one end on sleeve is connected to measuring probe, the other end and automatic data acquisition system phase by tested point
Connection, and fixed pulley guides single-core cable, moves up and down using under in measuring probe settlement monitoring pvc pipe and pipe；
2, it when magnetic field strength transducer detects magnet ring magnetic field in measuring probe, generates electromagnetic signal and is passed by single-core cable
It send to automatic data acquisition system, measures and fixed at nozzle where magnet ring and the interior different location of pipe and the sedimentation magnet ring of time
Relative position compares with historical data according to the difference data of measured sedimentation magnet ring and fixed magnet ring, can analyze and obtain respectively
The sedimentation value of soil layer；
3, mounting rack conveniently can be moved to tested point using in the bottom of mounting rack setting idler wheel, enhances device
Mobility, while mounting rack is positioned by positioning mechanism, the offset of mounting rack is reduced, the setting of sleeve facilitates installation single
Core cable, and sleeve is fixed or is unlocked using locking mechanism, conveniently realize between sleeve and rotary shaft
Be detachably connected, convenient for measurement work after retracting for single-core cable.
Detailed description of the invention
Fig. 1 is building foundation sedimentation monitoring system schematic diagram in the prior art；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram after settlement monitoring pvc pipe is splitted in the embodiment of the present invention；
Fig. 4 is the enlarged drawing of part A in Fig. 3；
Fig. 5 is the partial sectional view that rotary shaft is connect with mounting rack in the embodiment of the present invention；
Fig. 6 is the assembly relation schematic diagram of middle sleeve of the embodiment of the present invention and rotary shaft.
In figure: 1, mounting rack；2, settlement monitoring pvc pipe；3, magnet ring is settled；4, fixed magnet ring；5, single-core cable；6, it measures
Probe；7, rotary shaft；8, sleeve；9, driving motor；10, automatic data acquisition system；11, fixed pulley；12, idler wheel；13, spiral shell
Bar；14, turntable；15, seat is abutted；16, band steel piece；17, guide groove；18, guide post；19, slippage slot；20, inserted block；21, jack；
22, spring；23, positioning runner；24, positioning slide；25, limited block；26, strip groove；27, push rod；28, handle；29, it accommodates
Box；201, tester.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of building foundation sedimentation monitoring system, referring to Fig. 2 and Fig. 3, including mounting rack 1, settlement monitoring pvc pipe 2,
Sedimentation magnet ring 3, fixed magnet ring 4, single-core cable 5, measuring probe 6, the automatic data acquisition system 10 that is set on mounting rack 1 with
And horizontally rotate the columned rotary shaft 7 being connected on mounting rack 1.
Specifically, being socketed with the sleeve 8 wound for single-core cable 5 in rotary shaft 7, it is equipped between rotary shaft 7 and sleeve 8
The locking mechanism of rotary shaft 7 is skidded off for fixing or unlocking sleeve 8, one end of rotary shaft 7 is fixedly connected with for driving rotation
Driving motor 9(combination Fig. 5 that axis 7 rotates).
Referring to Fig. 2 and Fig. 3, settlement monitoring pvc pipe 2 is vertically set in foundation；The outside of settlement monitoring pvc pipe 2
It is equidistantly set with multiple sedimentation magnet rings 3, the fixed fixed nozzle for being mounted on settlement monitoring pvc pipe 2 of magnet ring 4 along its length
Place, measuring probe 6 in freely up and down moving in settlement monitoring pvc pipe 2, adopted by single-core cable 5 with data automatically by measuring probe 6
Collecting system 10 connects, and in the present embodiment, settles the structure setting annular in shape of magnet ring 3, and settle 3 internal diameter of magnet ring slightly larger than sedimentation
Monitor 2 outer diameter of pvc pipe.
In addition, side ipsilateral with rotary shaft 7 on mounting rack 1 is rotatably connected in the horizontal direction for guiding single-core cable
5 fixed pulley 11, the bottom of mounting rack 1 are fixedly installed with several idler wheels 12, are equipped on mounting rack 1 for positioning installation frame
1 positioning mechanism.
The foundation sedimentation monitoring system in ground with ordi-nary drilling machine in application, first vertically drilled to design
Depth, while carrying out more piece settlement monitoring pvc pipe 2 and connecting section by section and down toward bottom hole, and is equidistant outside settlement monitoring pvc pipe 2
Installation settles magnet ring 3 and backfills to drilling, then fixed magnet ring 4 is permanently fastened on 2 mouthfuls of settlement monitoring pvc pipe, then will install
Frame 1 is moved to tested point, 5 one end of single-core cable on sleeve 8 is connected to measuring probe 6, the other end and data are certainly
Dynamic acquisition system 10 is connected, and fixed pulley 11 guides single-core cable 5, utilizes 6 settlement monitoring pvc pipe 2 of measuring probe
With in pipe under move up and down.
When magnetic field strength transducer detects magnet ring magnetic field in measuring probe 6, electromagnetic signal is generated and by single electricity
Cable 5 is sent to automatic data acquisition system 10, measures the sedimentation magnetic of fixed magnet ring 4 and pipe interior different location and time at nozzle
Relative position where ring 3 is compared according to the difference data of measured sedimentation magnet ring 3 and fixed magnet ring 4 with historical data
Analysis obtains the sedimentation value of each soil layer.
Meanwhile mounting rack 1 conveniently can be moved to tested point using in the bottom of mounting rack 1 setting idler wheel 12,
The mobility of device is enhanced, while mounting rack 1 is positioned by positioning mechanism, reduces the offset of mounting rack 1, sleeve 8
Setting facilitate installation single-core cable 5, and sleeve 8 is fixed or is unlocked using locking mechanism, conveniently realized
Being detachably connected between sleeve 8 and rotary shaft 7, convenient for measurement work after retracting for single-core cable 5.
Specifically, automatic data acquisition system 10 includes reading storage, read what storage can be transmitted by receiving single-core cable 5
Magnet ring electromagnetic signal reads 5 line epidermis scale value of single-core cable automatically, and stores measuring probe 6 by sedimentation magnet ring 3 and fix
Scale difference data when magnet ring 4.The movement of single-core cable 5 in the at the uniform velocity control sleeve 8 of driving motor 9, reading storage can lead to
It crosses and receives the magnet ring electromagnetic signal that single-core cable 5 transmits, be quick on the draw, 5 line epidermis of single-core cable quarter at that time can be read automatically
Angle value, and scale difference data of the measuring probe 6 by sedimentation magnet ring 3 and fixed magnet ring 4 when is stored, improve the accurate of measurement
Degree.
Referring to Fig. 2 and Fig. 3, sedimentation 3 outer edge of magnet ring is circumferentially provided with several band steel pieces 16, in the present embodiment, flat
The quantity of steel disc 16 is preferably three, and three sedimentation of band steel pieces 16 magnet rings 3 are circumferentially uniformly distributed and outwardly and upwardly Fang Yan
It stretches, band steel piece 16 is embedded in surrounding soil.The setting of band steel piece 16 enables sedimentation magnet ring 3 to settle jointly with soil layer around.
Referring to Fig. 3 and Fig. 4, the opposite inner wall of settlement monitoring pvc pipe 2 offers guide groove 17 respectively along its length,
The guide post 18 with the sliding cooperation of guide groove 17 is fixedly installed on single-core cable 5.Guide post 18 and the sliding of guide groove 17 are matched
It closes so that single-core cable 5 is not susceptible to deviate in the process of moving, and then improves the mobile stability of measuring probe 6, mention
High measurement accuracy.
Referring to figure 5 and figure 6, specifically, locking mechanism includes the slippage slot 19 being set in rotary shaft 7, in slippage slot 19
Sliding is connected with inserted block 20, and spring 22 is fixedly connected between inserted block 20 and the slot bottom of slippage slot 19；Meanwhile it being opened up on sleeve 8
Have the jack 21 mating with inserted block 20, when spring 22 in the raw under, the end of inserted block 20 can protrude slippage slot 19.
It slides the inserted block 20 being connected in slippage slot 19 and jack 21 cooperates, limitation sleeve 8 skids off rotary shaft 7, reaches fixes sleeve 8
When needing to remove sleeve 8, inserted block 20 is squeezed into slippage slot 19 for purpose, so that inserted block 20 is separated with jack 21, thus will set
Cylinder 8 skids off rotary shaft 7；Spring 22 makes motor when driving rotary shaft 7 to rotate with moving sleeve 8, and inserted block 20 will not be because of rotation
The centrifugal force that the rotation of axis 7 generates is skidded off out of slippage slot 19, achievees the purpose that fixed inserted block 20 in slippage slot 19；Conveniently
Realize the detachable installation between sleeve 8 and rotary shaft 7, convenient for measurement work after for single-core cable 5 retracting with
And the replacement of later period sleeve 8.
Meanwhile surface of the inserted block 20 far from driving motor 9 is in inclined-plane, and the inner wall of sleeve 8 is mutually abutted with inclined-plane and phase
Mutually sliding.Inclined-plane enables sleeve 8 to be directly sleeved and fixed in rotary shaft 7, without sliding into inserted block 20 in slippage slot 19, pacifies
Sleeved 8 is more convenient；When being socketed sleeve 8, the barrel of sleeve 8 squeezes inclined-plane, so that inserted block 20 slides to the slot bottom of slippage slot 19,
So that sleeve 8 is socketed in rotary shaft 7.
Further, positioning slide 24, axial direction setting of the positioning slide 24 along rotary shaft 7, sleeve are provided in rotary shaft 7
The positioning runner 23 that sliding is matched on positioning slide 24 is offered on 8.Matched using positioning runner 23 and the sliding of positioning slide 24
It closes, when so that sleeve 8 being socketed in rotary shaft 7, inserted block 20 and the cooperation of jack 21 are easier, thus more convenient fixes sleeve 8.
Referring to figure 5 and figure 6, the limited block 25 of rectangular-shape is fixedly installed on barrel of the sleeve 8 far from motor one end, when
When limited block 25 is abutted with rotary shaft 7 far from the surface of motor, the end of inserted block 20 is plugged in jack 21.Limited block 25 limits
Sleeve 8 cooperates along the axial movement of rotary shaft 7 with positioning runner 23 and positioning slide 24, so that inserted block 20 and jack 21
Cooperate more acurrate, when installation sleeve 8, positioning slide 24 need to only be slid into along positioning runner 23, it is remote to limited block 25 and rotary shaft 7
When surface from motor abuts, the end of inserted block 20 can be made to be plugged in jack 21, it is easy to use.
In addition, rotary shaft 7 offers the strip groove 26 being connected with slippage slot 19, bar shaped far from the surface of driving motor 9
Slot 26 is arranged along the length direction of slippage slot 19, and grafting is combined with the push rod 27 connecting with inserted block 20, push rod 27 in strip groove 26
End protrude strip groove 26.When needing to remove sleeve 8 from rotary shaft 7, by push rod 27 to close to 19 slot bottom of slippage slot
Direction push, since push rod 27 is connect with inserted block 20, so that inserted block 20 is separated with the movement of push rod 27 with jack 21, to reach
To the purpose of unlock sleeve 8, push rod 27 separates inserted block 20 more easily with jack 21.
In addition, the outer wall of sleeve 8 is welded with a pair of of handle 28, it is moved easily sleeve 8；It is on mounting rack 1 with rotary shaft 7
Container 29 is fixedly installed on the side wall of the same side, for placing sleeve 8 and single-core cable 5 after dismantling.
Fig. 2 and Fig. 3 are reviewed, if specifically, positioning mechanism includes being threadedly connected to along the vertical direction on mounting rack 1 respectively
Dry root screw rod 13, in the present embodiment, the quantity of screw rod 13 are preferably four, and the bottom end of screw rod 13 is welded with and supports with ground
The abutting seat 15 of cooperation is connect, the top of screw rod 13 is welded with the turntable 14 for rotating screw rod 13.Due to screw rod 13 and mounting rack 1
Be threadedly engaged have the function of it is self-locking, i.e., can only screw rod 13 rotate, drive abut seat 15 move up and down, and abut seat 15 cannot on
Lower mobile drive screw rod 13 rotates, therefore when mounting rack 1 needs fixed, rotates screw rod 13, moves down so that abutting seat 15
It is pushed against with ground, so that the situation for avoiding the rotation of idler wheel 12 from driving mounting base mobile occurs.
Total working principle: the foundation sedimentation monitoring system is in application, first vertical with ordi-nary drilling machine edge in ground
Direction drills to projected depth, while carrying out more piece settlement monitoring pvc pipe 2 and connecting section by section and down toward bottom hole, and in settlement monitoring
Equidistant installation settles magnet ring 3 and backfills to drilling outside pvc pipe 2, then fixed magnet ring 4 is permanently fastened on settlement monitoring pvc pipe 2
Mouthful, mounting rack 1 is then moved to tested point, 5 one end of single-core cable on sleeve 8 is connected to measuring probe 6, separately
One end is connected with automatic data acquisition system 10, and fixed pulley 11 guides single-core cable 5, heavy using measuring probe 6
It is moved up and down under in drop monitoring pvc pipe 2 and pipe.
When magnetic field strength transducer detects magnet ring magnetic field in measuring probe 6, electromagnetic signal is generated and by single electricity
Cable 5 is sent to automatic data acquisition system 10, measures the sedimentation magnetic of fixed magnet ring 4 and pipe interior different location and time at nozzle
Relative position where ring 3 is compared according to the difference data of measured sedimentation magnet ring 3 and fixed magnet ring 4 with historical data
Analysis obtains the sedimentation value of each soil layer.
Above-described embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in this hair
All by the protection of Patent Law in bright scope of the claims.
Claims (10)
1. a kind of building foundation sedimentation monitoring system, it is characterised in that: including mounting rack (1), settlement monitoring pvc pipe (2),
Sedimentation magnet ring (3), fixed magnet ring (4), single-core cable (5), measuring probe (6), the data being set on mounting rack (1) are adopted automatically
Collecting system (10) and horizontally rotate the rotary shaft (7) being set on mounting rack (1), is socketed on the rotary shaft (7) for institute
The sleeve (8) for stating single-core cable (5) winding is equipped between the rotary shaft (7) and the sleeve (8) for fixed or unlocking sleeve
Cylinder (8) skids off the locking mechanism of rotary shaft (7), and one end of the rotary shaft (7) is provided with for driving rotary shaft (7) to rotate
Driving motor (9)；The settlement monitoring pvc pipe (2) is vertically set in foundation, outside the settlement monitoring pvc pipe (2)
Portion is equidistantly set with multiple sedimentation magnet rings (3) along its length, and the fixed magnet ring (4) is fixed to be mounted on described sink
The nozzle of drop monitoring pvc pipe (2), the measuring probe (6) are freely up and down moved in settlement monitoring pvc pipe (2), the measurement
Probe (6) is connect by single-core cable (5) with automatic data acquisition system (10)；The sedimentation magnet ring (3) structure annular in shape,
It settles magnet ring (3) internal diameter and is slightly larger than settlement monitoring pvc pipe (2) outer diameter；Mounting rack (1) rotation is provided with described for guiding
The bottom of the fixed pulley (11) of single-core cable (5), the mounting rack (1) is provided with idler wheel (12), is arranged on the mounting rack (1)
There is the positioning mechanism for positioning installation frame (1).
2. a kind of building foundation sedimentation monitoring system according to claim 1, it is characterised in that: the positioning mechanism
Including the screw rod (13) being threadedly connected on mounting rack (1) along the vertical direction, the bottom end of the screw rod (13) is equipped with to be supported with ground
Connect the abutting seat (15) of cooperation.
3. a kind of building foundation sedimentation monitoring system according to claim 1, it is characterised in that: the locking mechanism
Including the slippage slot (19) being set on rotary shaft (7), sliding is connected with inserted block (20), the inserted block in the slippage slot (19)
(20) spring (22) are equipped between the slot bottom of the slippage slot (19), the sleeve (8) is equipped with matches with inserted block (20) grafting
The jack (21) of conjunction, under natural conditions, slippage slot (19) are protruded in the end of the inserted block (20) to the spring (22).
4. a kind of building foundation sedimentation monitoring system according to claim 3, it is characterised in that: the inserted block (20)
Surface far from the driving motor (9) is in inclined-plane, and the inner wall of the sleeve (8) is mutually abutted with the inclined-plane and mutually slided
It moves.
5. a kind of building foundation sedimentation monitoring system according to claim 4, it is characterised in that: the rotary shaft
(7) positioning slide (24) are equipped with, the positioning slide (24) is arranged along the axial direction of rotary shaft (7), and the sleeve (8) is equipped with
Slide the positioning runner (23) being matched on positioning slide (24).
6. a kind of building foundation sedimentation monitoring system according to claim 5, it is characterised in that: the sleeve (8)
One end barrel far from driving motor (9) is equipped with limited block (25), when limited block (25) and rotary shaft (7) are far from driving motor
(9) when surface abuts, the end of the inserted block (20) is plugged in jack (21).
7. a kind of building foundation sedimentation monitoring system according to claim 6, it is characterised in that: the rotary shaft
(7) surface far from the driving motor (9) is equipped with the strip groove (26) being connected with slippage slot (19), the strip groove (26)
Length direction along slippage slot (19) is arranged, and is plugged with the push rod (27) connecting with inserted block (20), institute in the strip groove (26)
State end protrusion strip groove (26) of push rod (27).
8. a kind of building foundation sedimentation monitoring system according to claim 1, it is characterised in that: the settlement monitoring
The opposite inner wall of pvc pipe (2) offers guide groove (17) respectively along its length, be provided on the single-core cable (5) with
The guide post (18) of guide groove (17) the sliding cooperation.
9. a kind of building foundation sedimentation monitoring system according to claim 1, it is characterised in that: the data are automatic
Acquisition system (10) includes reading storage, the magnet ring electromagnetic signal reading storage and being transmitted by receiving single-core cable (5), from
It moves and reads single-core cable (5) line epidermis scale value, and store measuring probe (6) by sedimentation magnet ring (3) and when fixing magnet ring (4)
Scale difference data.
10. a kind of building foundation sedimentation monitoring system according to claim 1, it is characterised in that: the sedimentation magnetic
Ring (3) outer edge is circumferentially provided with several band steel pieces (16), and outwardly and upwardly side extends several described band steel pieces (16),
The band steel piece (16) is embedded in surrounding soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153458.3A CN109695263A (en) | 2019-02-28 | 2019-02-28 | A kind of building foundation sedimentation monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153458.3A CN109695263A (en) | 2019-02-28 | 2019-02-28 | A kind of building foundation sedimentation monitoring system |
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| CN111637862A (en) * | 2020-05-22 | 2020-09-08 | 宁波冶金勘察设计研究股份有限公司 | Settlement monitoring device |
| CN111733902A (en) * | 2020-07-07 | 2020-10-02 | 南通科创建设工程检测有限公司 | Efficient pile foundation bearing capacity detection device |
| CN112082447A (en) * | 2020-08-01 | 2020-12-15 | 湖南有色金属职业技术学院 | Displacement monitoring device in underground engineering construction |
| CN112112149A (en) * | 2020-08-19 | 2020-12-22 | 中铁十九局集团矿业投资有限公司 | Sedimentation monitoring safety control device for open mine backfill dumping operation |
| CN113031099A (en) * | 2021-03-03 | 2021-06-25 | 陕西奇力达电子科技有限公司 | Underground cable tracking device |
| CN113175008A (en) * | 2021-04-21 | 2021-07-27 | 重庆中岛工程建设管理有限公司 | House foundation settlement monitoring device |
| US20210270685A1 (en) * | 2021-04-28 | 2021-09-02 | Shenzhen University | Optical fiber sensing monitoring device for soil settlement and settlement amount measurement method |
| CN114754668A (en) * | 2022-04-19 | 2022-07-15 | 中南大学 | Device for measuring deformation of stratum soil body |
| CN117308875A (en) * | 2023-11-28 | 2023-12-29 | 中铁九局集团第七工程有限公司 | Tunnel address area settlement deep hole monitoring device and monitoring method |
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| CN113031099B (en) * | 2021-03-03 | 2024-02-06 | 陕西奇力达电子科技有限公司 | Buried cable tracking device |
| CN113175008B (en) * | 2021-04-21 | 2022-08-26 | 重庆中岛工程建设管理有限公司 | House foundation settlement monitoring device |
| CN113175008A (en) * | 2021-04-21 | 2021-07-27 | 重庆中岛工程建设管理有限公司 | House foundation settlement monitoring device |
| US20210270685A1 (en) * | 2021-04-28 | 2021-09-02 | Shenzhen University | Optical fiber sensing monitoring device for soil settlement and settlement amount measurement method |
| CN114754668A (en) * | 2022-04-19 | 2022-07-15 | 中南大学 | Device for measuring deformation of stratum soil body |
| CN114754668B (en) * | 2022-04-19 | 2022-12-23 | 中南大学 | Device for measuring deformation of stratum soil body |
| CN117308875A (en) * | 2023-11-28 | 2023-12-29 | 中铁九局集团第七工程有限公司 | Tunnel address area settlement deep hole monitoring device and monitoring method |
| CN117308875B (en) * | 2023-11-28 | 2024-01-30 | 中铁九局集团第七工程有限公司 | Tunnel address area settlement deep hole monitoring device and monitoring method |
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Application publication date: 20190430 |