CN106643633B - A kind of slip mass deep creep monitoring device and its measurement method - Google Patents
A kind of slip mass deep creep monitoring device and its measurement method Download PDFInfo
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- CN106643633B CN106643633B CN201611235790.7A CN201611235790A CN106643633B CN 106643633 B CN106643633 B CN 106643633B CN 201611235790 A CN201611235790 A CN 201611235790A CN 106643633 B CN106643633 B CN 106643633B
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- top connection
- monitoring device
- displacement
- screw thread
- sensor holder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
Abstract
The invention discloses a kind of slip mass deep creep monitoring devices, including sealing cover, rubber stopper, O-ring, circuit cabin, shell, motor cabinet, stepper motor, displacement meter, position-arresting disk, pedestal, righting disc, lower contact, locking nut, turntable, sensor holder, screw, long foot bolt, fixing bolt, circuit seat, top connection and cable；The upper end in circuit cabin and the lower end of top connection connect, and are respectively mounted on each sensor holder there are one displacement meter, displacement meter is installed on by screw on sensor holder.Meanwhile the invention also discloses a kind of slip mass deep creep measurement methods.This measurement method is to transfer to monitoring device at the different depth of slip mass using drilling machine, and main landslide orientation and the displacement of slip mass can be calculated using monitoring device.The present invention can monitor the thin tail sheep in slip mass deep in real time, and measurement data is relatively reliable and accurate.
Description
Technical field
The instrument that the small deformation displacement of slip mass deep measures can be belonged to ground, survey base neck the present invention relates to a kind of
Domain, specifically a kind of slip mass deep creep monitoring device and its measurement method.
Background technology
China is the multiple country of landslide disaster.Landslide disaster often results in casualties, road is buried, house is damaged etc.
Destructive disaster, seriously threatens life and property security of the country and people.Therefore, accurately landslide disaster is forecast,
It is the key that solve the problems, such as.The generation on landslide, development, evolutionary process can survey the change of physical message along with a large amount of macroscopic views, such as
Surface displacement, deep displacement, earth's surface inclination angle, Rock And Soil pressure, sound emission etc., and deep displacement is due to more can intuitively react
The evolution of slip mass, therefore the accuracy for being greatly improved Landslide Prediction is monitored to deep displacement.At this stage to depth
The method that portion's displacement is monitored includes flush type instrument and non-embedded type instrument, but the basic principle of both instruments is similar,
I.e.；It is to drill in advance on slip mass, then the pipe of the certain rigidity of embedment passes through when slip mass pushes pipe to deform
The deformation of apparatus measures pipe can measure In Situ Displacement of Slope.But when In Situ Displacement of Slope is smaller, i.e. deep creep, due to slip mass
It is smaller to the thrust of pipe, it deforms insufficient for pipe, therefore deformation data is then unable to measure by conventional instrument at this time,
But faint deformation signal is most important for Landslide Prediction, evolution and inverting etc..
Invention content
For deficiencies of the prior art, the present invention provides one kind can displacement meter (it is dedicated to be measured displacement
Sensor) it is reached inside Rock And Soil from measuring device, directly measure the slip mass deep creep monitoring dress of Rock And Soil deformation
It sets, which can carry out the thin tail sheep in slip mass deep most direct and most reliable measurement.
Meanwhile the present invention also provides a kind of slip mass deep creep measurement methods.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions：
A kind of slip mass deep creep monitoring device, including sealing cover, rubber stopper, O-ring, circuit cabin, shell, motor
Seat, stepper motor, displacement meter, position-arresting disk, pedestal, righting disc, lower contact, locking nut, turntable, sensor holder, screw, long foot
Bolt, fixing bolt, circuit seat, top connection and cable；
The top connection upper end is equipped with fovea superior slot structure, sets female bellmouth in upper groove, the rubber stopper is put
Enter in the upper groove of top connection, the cable passes through spiral shell across top connection, the centre bore of rubber stopper and sealing cover, the sealing cover
Line cooperation screws in the bellmouth of top connection, and sealing cover compresses rubber stopper, and the rubber stopper compresses cable；The top connection
Lower end is equipped with external screw thread, the shell by internal thread rotation set on the lower end of top connection, O-ring setting shell with it is upper
Between the lower end of connector；
The lower end of the top connection is equipped with recessed slot structure, internal thread is equipped in lower groove, the upper end in circuit cabin is outside
Screw thread is connected with the internal thread of the lower groove of top connection lower end；
The lower end in the circuit cabin is equipped with internal thread, the interior spiral shell that motor cabinet passes through the external screw thread and circuit cabin lower end of the upper end
Line is connected；
The motor cabinet is a multidiameter structure, and center is equipped with through-hole, and upper and lower end is equipped with the threaded hole of connection；Institute
It is cuboid that state circuit seat, which be a upper end, and lower end is the structure of disk, and circuit seat is positioned over above motor cabinet, and passes through fixed spiral shell
Bolt is connected with motor cabinet；
The stepper motor is fixed on the lower end of motor cabinet by long foot bolt；The rotation axis of stepper motor lower end is worn successively
The centre bore of position-arresting disk and turntable is crossed, locking nut is tightened in the rotation axis of stepper motor；
The turntable and sensor holder are equipped with plate-like screw thread, and sensor holder is connected by plate-like screw thread with turntable；
The position-arresting disk is a disk-like structure, and disk assembling structure is equipped with strip through-hole as guide rail, the sensor holder card
In guide rail, the number of guide rail and sensor holder is four, and four guide rails are distributed uniformly and circumferentially；
It is respectively mounted on each sensor holder there are one displacement meter, the displacement meter is installed on by screw on sensor holder；
The upper end of the pedestal is equipped with external screw thread, and pedestal passes through the external screw thread of the upper end and the internal thread phase of position-arresting disk lower end
Connection；
The righting disc is that a upper end is equipped with externally threaded discoid part, and righting disc upper end passes through external screw thread and pedestal lower end
It is connected；The lower end of righting disc is embedded into the groove of lower contact；The lower contact is connected by external screw thread with shell；
The top connection is equipped with conical external screw thread, and the lower contact is equipped with conical internal thread.
A kind of slip mass deep creep measurement method uses above-mentioned slip mass deep creep monitoring dress in the method
It sets, the step of this method is as follows：
(1) drilling machine first drills on the Rock And Soil that may have landslide disaster to occur, and after the completion of drill hole of drilling machine, drilling rod is carried
It rises, monitoring device is connected with drilling rod, can control monitoring device installation site by controlling drilling rod radical；By different
Multiple monitoring devices are installed in position can acquire displacement at different depth respectively；
(2) subsequent start-up drilling machine and ensure that monitoring device does not rotate, multiple monitoring devices are transferred to different specified depths
Degree；
(3) it is powered to monitoring device by cable after installing, is rotated by cable line traffic control monitoring device motor,
The monitoring probe of displacement meter is stretched out and is goed deep into inside ground, power supply is then turned off so that monitoring probe, which remains, gos deep into ground
Internal state；
(4) data collecting system inside monitoring device is opened by cable, acquires four displacements on the device successively
The data of sensor, collected data are real-time transmitted to earth's surface through cable and are stored；
(5) displacement data that each direction can be obtained by the data of four displacement meters in each monitoring device, by four
The displacement vector data that a displacement meter obtains are added, and can obtain final mean annual increment movement and its direction.
Compared with prior art, the present invention has the following technical effect that：
(1) micro-displacement in slip mass deep can be measured in real time, while the landslide can be obtained according to measurement result
The main sliding direction and size of body.
(2) can at slip mass Different Strata main sliding direction and size measured in real time.
Description of the drawings
Fig. 1 is a kind of front view of slip mass deep creep monitoring device；
Fig. 2 is a kind of vertical view of slip mass deep creep monitoring device；
Fig. 3 is the sectional view along the directions A-A in Fig. 1.
In attached drawing：1-sealing cover；2-rubber stoppers；3-O-rings；4-circuit cabins；5-shells；6-motor cabinets；7-steps
Stepper motor；8-displacement meters；9-position-arresting disks；10-pedestals；11-righting discs；12-lower contacts；13-locking nuts；14-turn
Disk；15-sensor holders；16-screws；17-long foot bolts；18-fixing bolts；19-circuit seats；20-top connections；21—
Cable.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, 2, 3, a kind of slip mass deep creep monitoring device, including sealing cover 1, rubber stopper 2, O-ring 3,
Circuit cabin 4, shell 5, motor cabinet 6, stepper motor 7, displacement meter 8, position-arresting disk 9, pedestal 10, righting disc 11, lower contact 12, locking
Nut 13, turntable 14, sensor holder 15, screw 16, long foot bolt 17, fixing bolt 18, circuit seat 19, top connection 20 and cable
21。
20 upper end of top connection is equipped with fovea superior slot structure, and female bellmouth is set in upper groove, and rubber stopper 2 is taper,
Rubber stopper 2 is put into the upper groove of top connection 20.Cable 21 is close across top connection 20, the centre bore of rubber stopper 2 and sealing cover 1
Capping 1 is screwed by screw-thread fit in the bellmouth of top connection 20, and sealing cover 1 compresses rubber stopper 2, and rubber stopper 2 compresses cable
21, in the present embodiment, sealing cover 1 is connected by external screw thread with the internal thread in 20 groove bellmouth of top connection, and sealing is worked as
The rubber stopper 2 of taper is squeezed while lid 1 is tightened, rubber stopper 2 is squeezed after power generates radial deformation and carries out the compression of cable 21
Sealing.The lower end of top connection 20 is equipped with external screw thread, and by internal thread rotation set on the lower end of top connection 20, O-ring 3 is set shell 5
It sets between shell 5 and the lower end of top connection 20, in the present embodiment, O-ring 3 is placed into 20 externally threaded root of top connection,
O-ring 3 is squeezed while shell 5 is connected by internal thread with the external screw thread of top connection 20, is thus sealed.
The lower end of top connection 20 is equipped with recessed slot structure, is equipped with internal thread in lower groove, the upper end in circuit cabin 4 passes through outer spiral shell
Line is connected with the internal thread of the lower groove of 20 lower end of top connection.
The lower end in circuit cabin 4 is equipped with internal thread, the interior spiral shell that motor cabinet 6 passes through the external screw thread and 4 lower end of circuit cabin of the upper end
Line is connected.
Motor cabinet 6 is a multidiameter structure, and center is equipped with through-hole, and upper and lower end is equipped with the threaded hole of connection；Circuit seat
19 for a upper end be cuboid, and lower end is the structure of disk, and data processing circuit can be fixed in the structure by screw.Circuit
Seat 19 is positioned over 6 top of motor cabinet, and is connected with motor cabinet 6 by fixing bolt 18.
Stepper motor 7 is fixed on the lower end of motor cabinet 6 by long foot bolt 17；The rotation axis of 7 lower end of stepper motor is successively
Across the centre bore of position-arresting disk 9 and turntable 14, locking nut 13 is tightened in the rotation axis of stepper motor 7 and is locked.
Turntable 14 and sensor holder 15 are equipped with plate-like screw thread, and sensor holder 15 is connected by plate-like screw thread with turntable 14
It connects.
Position-arresting disk 9 is a disk-like structure, and disk assembling structure is equipped with strip through-hole as guide rail, and sensor holder 15 is stuck in guide rail
Interior, the number of guide rail and sensor holder 15 is four, and four guide rails are distributed uniformly and circumferentially, i.e., adjacent two guide rails
It is distributed at 90 degree.
It is respectively mounted on each sensor holder 15 there are one displacement meter 8, displacement meter 8 is installed on sensor holder 15 by screw 16
On.
The upper end of pedestal 10 is equipped with external screw thread, the internal thread that pedestal 10 passes through the external screw thread and 9 lower end of position-arresting disk of the upper end
It is connected.
Righting disc 11 is that a upper end is equipped with externally threaded discoid part, and 11 upper end of righting disc passes through under external screw thread and pedestal 10
End is connected；The lower end of righting disc 11 is embedded into the groove of lower contact 12；Lower contact 12 is connected by external screw thread with shell 5
It connects.
Top connection 20 is equipped with conical external screw thread, and lower contact 12 is equipped with conical internal thread.Monitoring device passes through 20 He of top connection
The tapered thread of lower contact 12 is connected with drilling rod.
Four displacement meters 8 are mounted in monitoring device, four displacement meters 8 are evenly distributed on the four direction of circumference, just
Four displacement meters 8 are hidden in inside monitoring device in the case of often.When needing to measure deep small deformation displacement using the device,
It is rotated forward by the stepper motor 7 on control device, stepper motor 7 drives turntable 14 to rotate, and turntable 14 is driven by plate-like screw thread
Sensor holder 15 moves, and sensor holder 15 eventually leads to sensor due to the guiding function by the guide rail on position-arresting disk 9
Seat 15, from the dot direction of turntable 14 toward moving radially, can release four displacement meters 8 so that four displacements along guide rail direction
Meter 8 is inserted into inside Rock And Soil.When Rock And Soil has faint displacement, although the deformation force is not enough to push drilling rod that drilling rod is made to send out
Raw displacement, but since displacement meter 8 is inserted into inside Rock And Soil, the deformation measured directly for Rock And Soil, therefore can be by the small change
Shape measures.But when slip mass deformation is larger, drilling rod moves, since displacement meter 8 is mounted on drilling rod with drilling rod together
Movement, therefore displacement meter 8 is unable to measure the moving displacement of drilling rod.Therefore, which is served only for measuring the micro-displacement of slip mass.
When stepper motor 7 inverts, 15 direction of motion of sensor holder is opposite.That is, when stepper motor 7 rotates forward, displacement meter 8 will radially
Direction is protruding.The position of the probe of face displacement meter 8 is machined with through-hole on shell 5, for ensureing that the probe of displacement meter 8 is stretched
Go out.The device is rotated using stepper motor 7 stretches out displacement meter 8 until Rock And Soil, thus can to the micro-displacement of Rock And Soil into
Row detection.The monitoring device is along the circumferential direction installed there are four displacement meter 8, and four displacement meters 8 can measure in actual use
Displacement data, the displacement vector data that four displacement meters 8 are obtained are added, and can obtain final mean annual increment movement and its direction, you can
To the main sliding direction of slip mass and displacement.It, can be to different depths when slip mass different depth installs multiple measuring devices
The displacement and orientation of degree make measurement, you can obtain the landslide motion conditions of Different Strata.The monitoring device can be by displacement
Meter 8 (measuring the dedicated sensor of displacement) is reached from measuring device inside Rock And Soil, directly measures the deformation of Rock And Soil, because
This can carry out the thin tail sheep in slip mass deep most direct and most reliable measurement.
A kind of slip mass deep creep measurement method uses above-mentioned slip mass deep creep monitoring dress in the method
It sets, the step of this method is as follows：
(1) drilling machine first drills on the Rock And Soil that may have landslide disaster to occur, and after the completion of drill hole of drilling machine, drilling rod is carried
It rises, monitoring device is connected with drilling rod, can control monitoring device installation site by controlling drilling rod radical；By different
Multiple monitoring devices are installed in position can acquire displacement at different depth respectively.
(2) subsequent start-up drilling machine and ensure that monitoring device does not rotate, multiple monitoring devices are transferred to different specified depths
Degree.
(3) it is powered to monitoring device by cable after installing, is rotated by cable line traffic control monitoring device motor,
The monitoring probe of displacement meter 8 is stretched out and is goed deep into inside ground, power supply is then turned off so that monitoring probe, which remains, gos deep into ground
Internal state.
(4) data collecting system inside monitoring device is opened by cable, acquires four displacements on the device successively
The data of sensor, collected data are real-time transmitted to earth's surface through cable and are stored.
(5) displacement data that each direction can be obtained by the data of four displacement meters in each monitoring device, by four
The displacement vector data that a displacement meter obtains are added, and can obtain final mean annual increment movement and its direction, you can obtain the main cunning of slip mass
Slope direction and displacement.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (2)
1. a kind of slip mass deep creep monitoring device, it is characterised in that：Including sealing cover (1), rubber stopper (2), O-ring (3),
Circuit cabin (4), shell (5), motor cabinet (6), stepper motor (7), displacement meter (8), position-arresting disk (9), pedestal (10), righting disc
(11), lower contact (12), locking nut (13), turntable (14), sensor holder (15), screw (16), long foot bolt (17), fixation
Bolt (18), circuit seat (19), top connection (20) and cable (21)；
Top connection (20) upper end is equipped with fovea superior slot structure, and female bellmouth, the rubber stopper (2) are set in upper groove
It is put into the upper groove of top connection (20), the cable (21) passes through in top connection (20), rubber stopper (2) and sealing cover (1)
Heart hole, the sealing cover (1) are screwed by screw-thread fit in the bellmouth of top connection (20), and sealing cover (1) compresses rubber stopper
(2), the rubber stopper (2) compresses cable (21)；The lower end of the top connection (20) is equipped with external screw thread, and the shell (5) passes through
Internal thread rotation set on the lower end of top connection (20), the O-ring (3) setting the lower end of shell (5) and top connection (20) it
Between；
The lower end of the top connection (20) is equipped with recessed slot structure, is equipped with internal thread in lower groove, the upper end of circuit cabin (4) passes through
External screw thread is connected with the internal thread of the lower groove of top connection (20) lower end；
The lower end of the circuit cabin (4) is equipped with internal thread, external screw thread and circuit cabin (4) lower end of the motor cabinet (6) by the upper end
Internal thread be connected；
The motor cabinet (6) is a multidiameter structure, and the center of motor cabinet (6) is equipped with through-hole, and the upper and lower end of motor cabinet (6) is equal
Threaded hole equipped with connection；Circuit seat (19) upper end is cuboid, and lower end is the structure of disk, and circuit seat (19) is placed
Above motor cabinet (6), and it is connected with motor cabinet (6) by fixing bolt (18)；
The stepper motor (7) is fixed on the lower end of motor cabinet (6) by long foot bolt (17)；Stepper motor (7) lower end turns
Moving axis sequentially passes through the centre bore of position-arresting disk (9) and turntable (14), and locking nut (13) is tightened on the rotation axis of stepper motor (7)
On；
The turntable (14) and sensor holder (15) are equipped with plate-like screw thread, and sensor holder (15) passes through plate-like screw thread and turntable
(14) it is connected；
The position-arresting disk (9) is a disk-like structure, and disk assembling structure is equipped with strip through-hole as guide rail, the sensor holder (15)
It is stuck in guide rail, the number of guide rail and sensor holder (15) is four, and four guide rails are distributed uniformly and circumferentially；
It is respectively mounted on each sensor holder (15) there are one displacement meter (8), the displacement meter (8) is installed on biography by screw (16)
On sensor seat (15)；
The upper end of the pedestal (10) is equipped with external screw thread, external screw thread and position-arresting disk (9) lower end of the pedestal (10) by the upper end
Internal thread is connected；
The righting disc (11) is that a upper end is equipped with externally threaded discoid part, and righting disc (11) upper end passes through external screw thread and pedestal
(10) lower end is connected；The lower end of righting disc (11) is embedded into the groove of lower contact (12)；The lower contact (12) passes through outer
Screw thread is connected with shell (5)；
The top connection (20) is equipped with conical external screw thread, and the lower contact (12) is equipped with conical internal thread.
2. a kind of slip mass deep creep measurement method, which is characterized in that use cunning described in claim 1 in the method
The step of slopes deep creep monitoring device, this method, is as follows：
(1) drilling machine first drills on the Rock And Soil that may have landslide disaster to occur, and after the completion of drill hole of drilling machine, drilling rod is lifted, will
Monitoring device is connected with drilling rod, can control monitoring device installation site by controlling drilling rod radical；By in different positions
Displacement at different depth can be acquired respectively by installing multiple monitoring devices；
(2) subsequent start-up drilling machine and ensure that monitoring device does not rotate, multiple monitoring devices are transferred to different designated depths；
(3) it is powered, is rotated by cable line traffic control monitoring device motor, by position to monitoring device by cable after installing
The monitoring probe for moving meter (8) stretches out and gos deep into inside ground, is then turned off power supply so that monitoring probe, which remains, to be goed deep into ground
Portion's state；
(4) data collecting system inside monitoring device is opened by cable, acquires four displacement sensings on the device successively
The data of device, collected data are real-time transmitted to earth's surface through cable and are stored；
(5) displacement data that each direction can be obtained by the data of four displacement meters in each monitoring device, by four positions
It moves the displacement vector data that meter obtains to be added, final mean annual increment movement and its direction can be obtained.
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| CN201611235790.7A CN106643633B (en) | 2016-12-28 | 2016-12-28 | A kind of slip mass deep creep monitoring device and its measurement method |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063184A (en) * | 2017-06-06 | 2017-08-18 | 中国地质大学（武汉） | A kind of conductance type obliquity sensor for landslide monitoring |
| CN107144262A (en) * | 2017-06-13 | 2017-09-08 | 中国地质大学（武汉） | A kind of double-shaft tilt angle sensor based on conducting probe |
| CN107144263A (en) * | 2017-07-17 | 2017-09-08 | 中国地质大学（武汉） | A kind of obliquity sensor based on capacitance principle |
| CN109187189B (en) * | 2018-10-09 | 2020-10-27 | 华东理工大学 | Method for determining bending creep small deformation critical displacement of small sample of clamped straight rod |
| CN110567519B (en) * | 2019-08-30 | 2024-04-09 | 中国地质大学（武汉） | Measuring unit for monitoring pressure and water content of deep hole soil body of landslide body |
| CN110599743B (en) * | 2019-10-09 | 2021-03-19 | 河南城建学院 | Buried landslide early warning device |
| CN113405603B (en) * | 2021-06-23 | 2023-03-24 | 中国地质大学（武汉） | Sliding body deep integrated sensor laying device and monitoring method |
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| JP2003097984A (en) * | 2001-09-26 | 2003-04-03 | Hitachi Constr Mach Co Ltd | Poppet valve-type flow rate measuring instrument and flow rate measuring device |
| JP2007010505A (en) * | 2005-06-30 | 2007-01-18 | Shimadzu Corp | Material testing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263664Y (en) * | 1996-11-05 | 1997-10-01 | 王文臣 | Deep flat loading test device |
| JP2003097984A (en) * | 2001-09-26 | 2003-04-03 | Hitachi Constr Mach Co Ltd | Poppet valve-type flow rate measuring instrument and flow rate measuring device |
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