CN209559131U - A kind of surface cracks monitoring device based on laser ranging - Google Patents
A kind of surface cracks monitoring device based on laser ranging Download PDFInfo
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- CN209559131U CN209559131U CN201920271818.5U CN201920271818U CN209559131U CN 209559131 U CN209559131 U CN 209559131U CN 201920271818 U CN201920271818 U CN 201920271818U CN 209559131 U CN209559131 U CN 209559131U
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Abstract
The utility model belongs to geotechnical engineering earth's surface monitoring technical field, specifically provide a kind of surface cracks monitoring device based on laser ranging, by burying spud pile in the two sides of surface cracks, then laser alignment plate and laser range finder are installed respectively on spud pile, laser range finder is remotely controlled by intelligent terminal, laser range finder, which emits laser beam, can measure distance value back to laser alignment plate back reflection, and measurement result can show on intelligent terminal, store.Aforesaid operations are repeated after a period of time measures the change width situation that can obtain surface cracks.The measuring device does not need embedded sensor, and measuring range is big, and range is wide, and monitoring point is securely and reliably not easy to damage, and is remotely controlled by intelligent terminal, and when measurement does not need survey crew and enters dangerous crack area, has ensured the personal safety of survey crew.
Description
Technical field
The utility model belongs to geotechnical engineering earth's surface monitoring technical field, and in particular to a kind of earth's surface based on laser ranging
Crack Monitoring device.
Background technique
With the rapid development of engineering construction, Highway Slope Excavation, railway slope are excavated and deep big foundation pit excavation is also more next
More, excavation often causes slopes earth's surface and foundation pit periphery cracking phenomena occur, or even causes to come down and collapse, and causes huge
Economic loss and bad social influence, and surface cracks are accurately monitored, can be commented for side slope and deep pit monitor stability
Offer foundation is provided, is of great significance.Currently, there are mainly two types of for surface cracks conventional monitoring methods: (1) in crack key
Position buries the junction of the edges of two sheets of paper and observes stake, or directly measures fracture width with meter ruler, and method is simple for these, is suitble to mass presdiction and disaster prevention, but
Measurement accuracy is low, can not obtain accurate fracture width change information；(2) monitoring method of sensor, this method measurement are buried
Precision is higher, using relatively broad in the monitoring of the small cracks such as structures, but for the roomy crack in Geological Hazards Monitoring,
It since scale is larger, is influenced by expanding with heat and contract with cold, easily causes large error；And the Geological Hazards Monitorings such as side slope and landslide cover
Range is wide, up to tens square kilometres, buries sensor and optical cable is at high price.
Patent CN103487373 discloses a kind of slope crack monitoring device of steel ruler+convergence gauge and method, this method exist
Higher than simple measurement method in measurement accuracy, cost is cheap also relative to the method for embedded sensor, but there are following for this method
Insufficient: (1) this method needs to carry steel ruler and convergence gauge, when the monitoring stake of crack two sides it is embedded apart from it is larger when, carry steel ruler not
It is convenient；(2) longer steel ruler stake is influenced big by expanding with heat and contract with cold, and also easily causes measurement error；(3) it is supervised with this method
It surveying, it is relatively unstable region on the inside of crack that survey crew, which has to enter into monitoring pile frame on the inside of crack and sets steel ruler, especially for
, there is the risk on landslide in the large fracture inside region of side slope, the personal safety of monitoring personnel is unable to get guarantee at any time.
Summary of the invention
Problem low the purpose of the utility model is to overcome surface cracks measurement accuracy in the prior art and that measurement difficulty is big.
For this purpose, the utility model provides a kind of surface cracks monitoring device based on laser ranging, including laser ranging
Instrument, laser alignment plate, the first cement spud pile, the second cement spud pile and intelligent terminal, the intelligent terminal and the laser
Rangefinder communication connection, the laser alignment plate are fixedly connected with the first cement spud pile, the laser range finder and institute
The flexible connection of the second cement spud pile is stated, the first cement spud pile and the second cement spud pile are located at surface cracks
It two sides and protrudes into underground and fixes, and the laser alignment plate swashing of being located at that the laser emitter in the laser range finder issued
In light optical path.
Preferably, the second cement spud pile is equipped with baffle, and the baffle is located at the top of the laser range finder,
And the baffle covers the laser range finder.
Preferably, the laser range finder is equipped with connection end, and the second cement spud pile is equipped with pedestal, the base
Seat is connect with the threaded one end of Rotatable base, and the other end of the Rotatable base is flexibly connected with the connection end.
Preferably, the second cement spud pile is equipped with groove, and the pedestal is located in the groove.
Preferably, the other end of the Rotatable base is rotatable is equipped with ball-type pedestal, is equipped with row in the ball-type pedestal
Star gear and fixed gear, the planetary gear are engaged with the fixed gear.
Preferably, motor is fixedly connected in the ball-type pedestal, the motor output shaft is connect with the fixed gear.
Preferably, the intelligent terminal is equipped with the manipulation of the opening and closing for remotely controlling the laser range finder
Interface.
Preferably, the end of the laser range finder is equipped with camera, and the camera is parallel with the laser emitter
Setting, the camera and the intelligent terminal communicate to connect.
Preferably, the first cement spud pile and the second cement spud pile are cast-in-place structural or precast construction.
The utility model has the beneficial effects that this surface cracks based on laser ranging provided by the utility model monitor dress
It sets, by burying spud pile in the two sides of surface cracks, then laser alignment plate and laser ranging is installed respectively on spud pile
Instrument remotely controls laser range finder by intelligent terminal, and laser range finder transmitting laser beam to laser alignment plate back reflection is returned
Distance value can be measured, measurement result can show on intelligent terminal, store.Aforesaid operations progress is repeated after a period of time
Measurement can obtain the change width situation of surface cracks.The measuring device does not need embedded sensor, and measuring range is big, range
Extensively, monitoring point is securely and reliably not easy to damage, and is remotely controlled by intelligent terminal, when measurement do not need survey crew enter it is dangerous
Crack area has ensured the personal safety of survey crew.
The utility model is described in further details below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of surface cracks monitoring device of the utility model based on laser ranging；
Fig. 2 is the laser range finder connection schematic diagram of surface cracks monitoring device of the utility model based on laser ranging；
Fig. 3 is the Rotatable base connection schematic diagram of surface cracks monitoring device of the utility model based on laser ranging；
Fig. 4 is the rotation signal of the Rotatable base of surface cracks monitoring device of the utility model based on laser ranging
Figure；
Fig. 5 is the pedestal schematic diagram of surface cracks monitoring device of the utility model based on laser ranging；
Fig. 6 is the intelligent terminal schematic diagram of surface cracks monitoring device of the utility model based on laser ranging；
Fig. 7 is the remote controler side view of surface cracks monitoring device of the utility model based on laser ranging.
Description of symbols: laser range finder 1, Rotatable base 2, pedestal 3, the first cement spud pile 4, groove 5, baffle
6, laser alignment plate 7, the second cement spud pile 8, laser beam 9, digital keys 10, display screen 11, camera 12, laser emitter
13, connect end 14, ball-type pedestal 15, cap nut 16, remote controler 17, remote controler switch 18, connection end rotation control handle
19, transmitting antenna 20, handset bracket 21, planetary gear control handle 22, data line 23, USB interface 24, smart phone 25, steel
Plate 26, the end of thread 27, fixing end 28, fixed gear 29, planetary gear 30.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features；In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two.
The utility model embodiment provides the utility model and provides a kind of surface cracks monitoring based on laser ranging
Device, as shown in Figure 1, first burying the first cement spud pile 4 and the second cement spud pile 8 respectively in the two sides of surface cracks, so
Laser range finder 1 is installed in the second cement spud pile 8 afterwards, the laser range finder 1 is opened by matched intelligent terminal
And closing.Laser alignment plate 7 is installed on the first cement spud pile 4 again, the effect of laser alignment plate 7 is to position laser point,
So that measurement position is a fixed position every time, a deviation is not had, 7 center of laser alignment plate is provided with one and is used for alignment
Eye-catching small circle is issued by the laser emitter 13 on intelligent terminal remote opening laser range finder 1 when measurement swash every time
Light beam, which, which is radiated on the small circle and returns to reception, can measure distance.When laser beam point of irradiation be not at it is sharp
When optical registration plate centre circle, control handle 19 can be rotated by the connection end on intelligent terminal and planetary gear controls hand
The posture of laser range finder 1 is adjusted in handle 22, so that laser point is located just at alignment sheets centre circle.To guarantee stability
Laser alignment plate 7 and the first cement spud pile 4 pouring molding together.Measurement result is transmitted to intelligent terminal, wherein intelligent terminal
Including remote controler 17 and mobile phone 25, it can be achieved that the reading and storage of data, mobile phone needs support WiFi or USB connection, and supports
Software download and installation can carry out crack survey in hand hands- operation by importing the program finished or the corresponding APP of installation
Amount.
Wherein cement spud pile height is set as 0.3m~1.0m, and embedment subterranean depth is not less than 0.5m, and guarantees that it is steady
Fixed, cement spud pile is that cement is mixed with sand, can be cast-in-place structural can also be it is prefabricated and then embedded.Above ground portion is transversal
Face is 20cm × 20cm~30cm × 30cm, and embedment subterranean depth is not less than 0.5m, and should reach supporting course position, embedment ground
Lower partial cross sectional is 50cm × 50cm~70cm × 70cm, and spud pile i.e. the first cement spud pile 4 is set as splitting on the inside of crack
Inner distance crack 0.6m~1.0m is stitched, should guaranteeing that inside spud pile is embedded, fracture does not impact when pouring, again to the greatest extent
It may be close from crack；Groove is set on spud pile on the outside of crack, pedestal, spud pile i.e. the second cement on the outside of crack are buried in groove
Spud pile 8 is for installing laser range finder 1, and spud pile can be embedded in the position apart from crack 5m~20m as needed on the outside of crack
It sets.Survey crew does not need to scene when measurement, and only need to carry out long-range control to laser range finder by remote controler can be into
Row measurement, is greatly saved time of measuring, improves work efficiency, sufficiently ensured the personal safety of survey crew.
For laser alignment plate 7 for laser point alignment when measuring, laser alignment plate 7 is circle, and eye-catching circle is arranged in center.Swash
Optar 1 includes chip, and the 2.4G or 5.8G of mainstream is supported to communicate, and is communicated by 2.4G or 5.8G channel, can be with intelligence
Terminal connection, as shown in fig. 6, intelligent terminal includes remote controler 17 and smart phone 25, remote controler 17 support mainstream 2.4G or
5.8G communication, the behavior of laser range finder 1 can be remotely controlled by remote controler 17, realize remote operation measurement, control range
Up to 5km, USB interface 24 is set on remote controler 17, intelligent 25 machine of hand can pass through USB and Wifi two ways and remote controler
17 connections.
Preferred scheme, the second cement spud pile 8 are equipped with baffle 6, and the baffle 6 is located at the laser range finder
1 top, and the baffle 6 covers the laser range finder 1.If Fig. 1 installs baffle 6 in the top of laser range finder 1, accordingly
Baffle 6 is installed on laser alignment plate 7, baffle 6 can be reduced the effect of the corrosion of rainwater and solarization.
Preferred scheme, the laser range finder 1 are equipped with connection end 14, and the second cement spud pile 8 is equipped with base
Seat 3, the pedestal 3 is connect with the threaded one end of Rotatable base 2, the other end of the Rotatable base 2 and the connecting pin
Portion 14 is flexibly connected.It follows that the fixing end 28 of pedestal 3 is inserted into the second cement spud pile 8 as shown in Fig. 1 to Fig. 5, it can
To be to be threadedly coupled, it is also possible to integral structure molding, the end of thread 27 of pedestal 3 extend out to outside, is arranged with steel on pedestal 3
Plate 26, steel plate 26 play better stabilization, prevent pedestal 3 from shaking.What is be threadedly coupled with the end of thread 27 of pedestal 3 is that can revolve
Turn pedestal 2, rotatable bottom 2 includes ball-type pedestal 15 and cap nut 16, and cap nut 16 is threadedly coupled with the end of thread 27, such as Fig. 3
Shown, ball-type pedestal 15 is equipped with arc-shaped slot, connects end 14 and arc-shaped slot is hinged, and connection end 14 is inserted into arc-shaped slot
And can be swung in arc-shaped slot, and then drive laser beam jitter, laser beam is adjusted with this, it is allowed to be directed at laser pair
Quasi- plate 7.
Preferred scheme, the second cement spud pile 8 are equipped with groove 5, and the pedestal 3 is located in the groove 5.By
This is it is found that as shown in Figure 1, open up groove 5 on the second cement spud pile 8, for protecting pedestal 3 not become rusty by rainwater and solarization
Erosion.
Preferred scheme, the other end of the Rotatable base 2 is rotatable to be equipped with ball-type pedestal 15, and ball-type pedestal 15 can be with
Around central point O1Rotation, the ball-type pedestal 15 is interior to be equipped with planetary gear 30 and fixed gear 29, the planetary gear 30 and institute
Fixed gear 29 is stated to engage.It follows that the other end of Rotatable base 2 is rotatable to be equipped with ball-type bottom as shown in Fig. 3 and Fig. 4
Seat 15, therebetween by bearing assembly connection, planetary gear 30 surrounds fixed gear 29 and revolves, planetary gear 30 and ball
Type pedestal 15 connects (can relatively rotate), and fixed gear 29 is irremovable also not to be can be rotated, and planetary gear 30 surrounds fixed tooth
Ball-type pedestal 15 be will drive when 29 revolution of wheel around O1Rotation, and connect end 14 itself and be flexibly connected with ball-type pedestal 15,
It can be pin shaft connection or grafting, i.e. connection end 14 can be rotated around pin shaft relative to ball-type pedestal 15, can be realized in this way
End 14 is connected around fixed connection end, that is, pedestal 3 of Rotatable base 2 in 360 ° of rotations, alignment laser beam is adjusted with this.
There are also another scheme, fixed gear 29 is immovable but energy rotation, planetary gear 30 are unable to rotation but can be around fixed gears
29 revolution.
Preferred scheme is fixedly connected with motor, the motor output shaft and the fixed tooth in the ball-type pedestal 15
24 connection of wheel.It follows that motor realizes the positive and negative rotation of motor by the manipulation of remote intelligent terminal, realize to laser point
Fine tuning.As shown in Figure 6 and Figure 7, intelligent terminal includes remote controler 17, is equipped with remote controler switch 18, the rotation control of connection end above
Handle 19 processed, transmitting antenna 20, handset bracket 21 is for putting mobile phone, and planetary gear control handle 22 is for adjusting laser point
Position, mobile phone is placed on handset bracket 21, and passes through data line 23 and 17 connection communication of remote controler.
Preferred scheme, the end of the laser range finder 1 are equipped with camera 12, the camera 12 and the laser
Transmitter 13 is arranged in parallel, and the camera 12 is communicated to connect with the intelligent terminal.As shown in Fig. 2, being set on laser range finder 1
There are digital keys 10, display screen 11, camera 12, camera 12, wherein whether camera 12 is right for observing laser range finder
Standard, data information pass to intelligent terminal or mobile phone by wireless network.
Steps are as follows is for the utility model embodiment Specific construction:
Step 1, representational position is selected, cement spud pile is set in slope crack two sides, cement spud pile is embedded
Aforementioned claim should be met.Cement spud pile is divided into spud pile on the outside of crack inside spud pile and crack, and stake is for anti-on the inside of crack
Laser signal is penetrated, spud pile is poured while alignment sheets and baffle being installed above, is fixedly secured spud pile and baffle solid
Determine in stake；Groove is set in stake on the outside of the crack, while burying pedestal in groove location.
Step 2, it after the fixed forming pile of cement, removes formwork for placing, while being monitored one month using level, really
Fixed inbuilt cement spud pile is stablized, and does not have differential settlement deformation with surrounding soil.
Step 3, the nuts of turnable base is tightened on foundation bolt, laser range finder is installed, and make it
It is in running order.
Step 4, remote controler is opened, connect mobile phone with remote controler, opens special measurement software, is returned by cam feedback
The location information for the laser point come, determines whether laser point is aligned, if be not aligned with, is turned by the connection end on remote controler
Dynamic control handle 19 and planetary gear control handle 22 are adjusted, so that laser point is located just at alignment sheets centre circle.
Step 5, laser alignment point alignment after, measurement button is pressed at interface on smart phone, can record measurement away from
From measurement three times, when numerical difference three times is less than 1mm, is averaged the initial distance as this measurement, intelligent terminal is certainly
Dynamic record storage fracture width data.Subtracted each other by the distance and initial distance that measure later, just obtains the change width in crack
Situation.
Step 6, the above are first times to install measuring process, when measuring next time, need to only repeat step 4 and step 5.
The utility model has the beneficial effects that this surface cracks based on laser ranging provided by the utility model monitor dress
It sets, by burying spud pile in the two sides of surface cracks, then laser alignment plate and laser ranging is installed respectively on spud pile
Instrument remotely controls laser range finder by intelligent terminal, and laser range finder transmitting laser beam to laser alignment plate back reflection is returned
Distance value can be measured, measurement result can show on intelligent terminal, store.Aforesaid operations progress is repeated after a period of time
Measurement can obtain the change width situation of surface cracks.The measuring device does not need embedded sensor, and measuring range is big, range
Extensively, monitoring point is securely and reliably not easy to damage, and is remotely controlled by intelligent terminal, when measurement do not need survey crew enter it is dangerous
Crack area has ensured the personal safety of survey crew.
The above citing is only to the utility model for example, not constituting to the protection scope of the utility model
Limitation, it is all to be belonged within the protection scope of the utility model with the same or similar design of the utility model.
Claims (9)
1. a kind of surface cracks monitoring device based on laser ranging, it is characterised in that: including laser range finder (1), laser pair
Quasi- plate (7), the first cement spud pile (4), the second cement spud pile (8) and intelligent terminal, the intelligent terminal and the laser
Rangefinder (1) communication connection, the laser alignment plate (7) are fixedly connected with the first cement spud pile (4), the Laser Measuring
Distance meter (1) is flexibly connected with the second cement spud pile (8), the first cement spud pile (4) and the second cement spud pile
(8) two sides of surface cracks are located at and protrude into underground and are fixed, and the laser alignment plate (7) is located at the laser range finder
(1) on the laser optical path that the laser emitter (13) in is issued.
2. the surface cracks monitoring device according to claim 1 based on laser ranging, it is characterised in that: second water
Mud spud pile (8) is equipped with baffle (6), and the baffle (6) is located at the top of the laser range finder (1), and the baffle (6)
Cover the laser range finder (1).
3. the surface cracks monitoring device according to claim 1 based on laser ranging, it is characterised in that: the Laser Measuring
Distance meter (1) be equipped with connection end (14), the second cement spud pile (8) be equipped with pedestal (3), the pedestal (3) with can revolve
Turn the threaded one end connection of pedestal (2), the other end of the Rotatable base (2) is flexibly connected with the connection end (14).
4. the surface cracks monitoring device according to claim 3 based on laser ranging, it is characterised in that: second water
Mud spud pile (8) is equipped with groove (5), and the pedestal (3) is located in the groove (5).
5. the surface cracks monitoring device according to claim 3 based on laser ranging, it is characterised in that: described rotatable
The other end of pedestal (2) has ball-type pedestal (15), and fixed gear (29) and planetary gear are equipped in the ball-type pedestal (15)
(30), the planetary gear (30) is engaged with the fixed gear (29).
6. the surface cracks monitoring device according to claim 5 based on laser ranging, it is characterised in that: the ball-type bottom
It is fixedly connected with motor in seat (15), the motor output shaft is connect with the planetary gear (30).
7. the surface cracks monitoring device according to claim 1 based on laser ranging, it is characterised in that: the intelligence is eventually
End is equipped with the operation and control interface of the opening and closing for remotely controlling the laser range finder (1).
8. the surface cracks monitoring device according to claim 1 based on laser ranging, it is characterised in that: the Laser Measuring
The end of distance meter (1) is equipped with camera (12), and the camera (12) is arranged in parallel with the laser emitter (13), described to take the photograph
As head (12) and the intelligent terminal communicate to connect.
9. the surface cracks monitoring device according to claim 1 based on laser ranging, it is characterised in that: first water
Mud spud pile (4) and the second cement spud pile (8) are cast-in-place structural or precast construction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920271818.5U CN209559131U (en) | 2019-03-04 | 2019-03-04 | A kind of surface cracks monitoring device based on laser ranging |
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|---|---|---|---|
| CN201920271818.5U CN209559131U (en) | 2019-03-04 | 2019-03-04 | A kind of surface cracks monitoring device based on laser ranging |
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| CN209559131U true CN209559131U (en) | 2019-10-29 |
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ID=68312098
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916309A (en) * | 2019-03-04 | 2019-06-21 | 中铁第四勘察设计院集团有限公司 | A kind of surface cracks monitoring device and method based on laser ranging |
| CN113116317A (en) * | 2021-03-01 | 2021-07-16 | 屈在留 | Intelligent nursing device and system for nursing home based on intellectualization |
-
2019
- 2019-03-04 CN CN201920271818.5U patent/CN209559131U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916309A (en) * | 2019-03-04 | 2019-06-21 | 中铁第四勘察设计院集团有限公司 | A kind of surface cracks monitoring device and method based on laser ranging |
| CN109916309B (en) * | 2019-03-04 | 2024-04-26 | 中铁第四勘察设计院集团有限公司 | Ground surface crack monitoring device and method based on laser ranging |
| CN113116317A (en) * | 2021-03-01 | 2021-07-16 | 屈在留 | Intelligent nursing device and system for nursing home based on intellectualization |
| CN113116317B (en) * | 2021-03-01 | 2023-04-25 | 上海海阳大健康产业集团股份有限公司 | Intelligent nursing device and system for nursing home based on intelligence |
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