CN206160947U - Multidimension degree displacement measurement device based on survey line - Google Patents
Multidimension degree displacement measurement device based on survey line Download PDFInfo
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- CN206160947U CN206160947U CN201621143335.XU CN201621143335U CN206160947U CN 206160947 U CN206160947 U CN 206160947U CN 201621143335 U CN201621143335 U CN 201621143335U CN 206160947 U CN206160947 U CN 206160947U
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- survey line
- main equipment
- length
- measuring device
- various dimensions
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Abstract
The utility model provides a multidimension degree displacement measurement device based on survey line, include: main equipment and the main casing body, the main casing body install through the survey line linking group on schedule with the draw off mechanism of measuring point, carry out measuring length -measuring appliance to survey line length, revise the temperature correcting device of ambient temperature to the survey line influence, the damping device of control survey line, with the gesture measuring device who measures the aerial angle of survey line, with coordinate recognition device, and wireless communication device and host system, the equipment of assistance and assistance casing, and install carry out measuring assistance gesture measuring device and assist the accuse module current measuring point gesture in assisting the casing, main equipment with the equipment of assistance carries out signal communication and electricity connection through the cable. The utility model discloses main equipment and the spatial variation who assists the equipment fixing position can be considered simultaneously, the influence of external environmental factor to the survey line is considered simultaneously to can revise the error amount according to the gesture change of survey line, the feasible result of acquireing is more accurate.
Description
Technical field
The utility model is related to Geography monitor field, more particularly to a kind of to be based on survey line commercial measurement surface displacement or table
The various dimensions displacement measuring device of face displacement.
Background technology
In safety monitoring field, for the monitoring method of surface displacement or surface displacement mainly have GNSS, FDR, laser,
PSD, bracing wire and interferometer radar etc., correspond to respectively the deformation monitoring for realizing point, line, surface, wherein FDR methods and interferometer radar method point
The measurement in line and face is not realized, because technology maturity and many solution problems are not yet solved, room can't be widely used at present
Outer engineering monitoring environment；Laser and PSD methods, as measurement medium, are easily subject to ambient light and air quality dry using light
Disturb, limited by many field conditions in engineer applied.At present, in engineering field, for surface displacement safety monitoring application
Most commonly used is GNSS and stay-supported displacement monitor, and this two quasi-instrument has the following disadvantages：
(1) GNSS is, based on the coordinate measuring system of satellite fix, can to obtain global coordinates value by multi-satellite, then is led to
Special static computation is crossed, about in 5～10mm, the precision is far from the peace for meeting artificial construction structure for its certainty of measurement
Full detection requirement；
(2) GNSS system depends directly on satellite signal quality, and theoretical precision is unable to reach when atmospheric environment is poor；
(3) high accuracy of GNSS is the difference result through magnanimity measurement data, mass data need several tens minutes when
Between could obtain, therefore the ageing aspect in burst deformation can not meet the requirement of accident；
(4) limited by the operation principle of GNSS, it needs long-time start and substantial amounts of data transfer, caused whole monitoring
System power consumption increases, and the requirement to network is very high, and many engineering sites do not possess such condition.
Stay-supported displacement monitor has principle simple, and the advantage of high precision is more and more applied to engineering monitoring
In, but it has also been found that many problems, are listed below in application process：
(1) measurement data is single.
The one-dimensional length change on stayguy direction can only be measured, if measured point cannot be felt when depositing displacement in other directions
Know.It is single because survey line length does not change if measured point is to do arcuate movement with datum mark (reference point) as the center of circle to deform
Pure one-dimensional survey line cannot be perceived.
(2) easily obscure when widely applying.
When carrying out engineer applied, data server is typically entered to different monitoring devices with measuring point numbering or phone number
Row identification, identification code is filled up a form when mounted by workmen, then typing server, and this method depends on workmen's
, when monitoring point is more, easily there is the problem that measuring point records entanglement in record, bring to permanent or long term monitoring and follow-up early warning
Very big hidden danger.
(3) it is unable to the deformation of measuring apparatus position itself.
Stay-supported ground displacement instrument is a kind of relative variation monitoring of point-to-point, same for reference point and measured point
When situation about deforming cannot be judged.
(4) without corrective action.
Bracing wire (survey line) length can be affected by temperature change；Further, since the distance of tested point-to-point transmission is also surveyed
The interference of various deformation factor at point, such as inclines, rotates, if not considered, being eliminated one by one, can bring in various degree
Length distortion.
(5) without bracing wire speed safeguard measure.
When survey line speed changes rapidly, pulling force mutation suffered by survey line is easily caused, survey line may be caused to break, so that setting
It is standby to occur damaging.
Utility model content
The purpose of this utility model is to provide for a kind of based on survey line commercial measurement surface displacement or the multidimensional of surface displacement
Degree displacement measuring device, this device can reduce fault rate and improve certainty of measurement.
Especially, the various dimensions displacement measuring device based on survey line that the utility model is provided, including：
Main equipment, including installed in datum mark main casing, and in main casing body by survey line connect datum mark with
The anchoring of measurement point, to drawing the length-measuring appliance that survey line length is measured, amendment environment temperature affects on survey line
Temperature adjustmemt device；Control survey line pulls out the damping unit of speed and retraction speed；With the attitude of the aerial angle of measurement survey line
Measurement apparatus；With the coordinate recognition device of identification current measurement position；And realize wireless communication apparatus and the master of telecommunication
Control module；
Additionally arrange it is standby, including the auxiliary housing installed in monitoring point, and the auxiliary control module in the auxiliary housing；
The main equipment and described additionally arranging standby carry out signal communication and electrically connected by cable.
In one embodiment of utility model, the anchoring include be wound with the reel of survey line, through reel axle center
Axostylus axostyle, and the termination of survey line is limited to into limited block at the wire hole of the main casing with stress, and to described
Reel applies the constant force device with survey line pull-out direction counter force, and the constant force device includes being arranged on the axostylus axostyle
Wheels, is arranged on the angle pulley of wheels side, is arranged on the constant force wind spring of wheels opposite side, and connection wheels and constant force volume
Spring and middle part bypass the bracing wire of angle pulley.
In one embodiment of utility model, the length-measuring appliance includes that one is arranged on the reel axostylus axostyle
Meter coil sensor, and with the meter angular displacement sensor that contacts of coil sensor；The meter coil sensor passes the amount of spin of reel
Pass angular displacement sensor and become angle variable quantity, and then converse corresponding survey line length.
In one embodiment of utility model, the main equipment and described additionally arranging standby interior be separately installed with measurement its are current
The double-axis tilt sensor of heeling condition, and the electronic compass of its horizontal torsion angle is measured, the main control module is according to described
The actual measured value of the measured value amendment survey line of double-axis tilt sensor and the electronic compass.
In one embodiment of utility model, the temperature adjustmemt device includes temperature sensor, the main control module
According to the value of the temperature sensor, entered using stroke of the temperature coefficient of the survey line to the survey line at different temperatures
Row amendment.
In one embodiment of utility model, also including pedestal, the main equipment is rotatably pacified by horizontal bearing
It is mounted on the pedestal, the locking system of main equipment rotation described in locking is installed on the pedestal.
In one embodiment of utility model, the attitude measuring includes being arranged at the wire hole of the housing
Universal drive shaft, the laser instrument on the universal drive shaft is relative with the laser instrument to launch laser to receive the laser instrument
Light spot position sensor；The universal drive shaft with the survey line Orientation differences synchronous adjustment direction of rotation.
In one embodiment of utility model, the attitude measuring also includes the line being arranged on the universal drive shaft
Pipe, by passing in the spool, be provided with the spool increases the elastic layer of friction with the survey line to the survey line.
In one embodiment of utility model, the damping unit is rotary damper, and the coordinate recognition device is
D GPS locating module.
In one embodiment of utility model, the main equipment and additionally arrange standby using same set of power supply, the power supply is
Rechargeable battery or non-rechargeable battery, the battery is arranged on the main equipment, and additionally arranges standby carrying for described by cable
For electric power, it is provided with the upper surface of the main casing and absorbs solar energy and supplement the monocrystalline silicon piece of electric power to the power supply.
The utility model can simultaneously consider main equipment and additionally arrange the spatial variations of standby installation site, while considering extraneous ring
Impact of the border factor to survey line, and can be according to the attitudes vibration round-off error value of survey line so that the result of acquisition is more accurate.It is logical
Crossing length-measuring appliance can be in the case where reduction takes up room, there is provided the linear measure longimetry of greater amount journey.
Description of the drawings
Fig. 1 is the various dimensions displacement measuring device structural representation of one embodiment of the utility model；
Fig. 2 is the various dimensions displacement measuring device structural representation of another embodiment of the utility model；
Double-axis tilt sensor operation principle schematic diagram in Fig. 3 Fig. 1；
The universal drive shaft schematic view of the mounting position of attitude measuring in Fig. 4 Fig. 1；
The measurement structural representation of attitude measuring in Fig. 5 Fig. 1；
The course of work schematic diagram of Fig. 6 attitude measurings.
Specific embodiment
As shown in figure 1, the various dimensions displacement measuring device 100 based on survey line of one embodiment of the utility model, bag
Include the main equipment 10 that is separately positioned on datum mark and be arranged on measurement point additionally arrange standby 20, main equipment 10 and additionally arrange standby 20 by line
Cable carries out signal communication and electrically connected.
The main equipment 10 includes a main casing 101 for being used to install various equipment, is provided with main casing 101：It is logical
The anchoring 11 of the connection datum mark of survey line 111 and measurement point is crossed, to drawing the linear measure longimetry dress that the length of survey line 111 is measured
13 are put, the temperature adjustmemt device 17 that environment temperature affects on survey line 111 is corrected；Survey with the attitude of the measurement aerial angle of survey line 111
Amount device 14；With the coordinate recognition device of identification current measurement position；And realize wireless communication apparatus and the master of telecommunication
Control module 12.
This additionally arranges standby 20 can include being arranged on the auxiliary housing 201 of monitoring point, and to current survey in auxiliary housing 201
The auxiliary attitude measuring 26 that amount point attitude is measured, and auxiliary control module 22.
Anchoring 11 includes a reel 110 being fixed in main equipment 101, and the multi-turn being wrapped on reel 110
Survey line 111, survey line 111 can adopt stainless steel wire rope, when in use, pull the exit of survey line 111 and caused measurement
Point.By the length-measuring appliance 13 being arranged at reel 110, you can obtain length of the survey line 111 by leading point to measurement point.
The length-measuring appliance 13 can be the multiturn potentiometer that the rotating cycle of reel 110 is measured by resistance change.
From expansion and contraction property of material, when the temperature increases, survey line 111 is elongated, causes the distance value for measuring to become
Little, vice versa.And temperature adjustmemt device 17 can be according to survey line 111 at the specified temperature length, ambient temperature occur
During change, for the modifying factor caused length change amount of survey line 111 too high or too low for temperature, so that the measured value of survey line 111
It is more accurate.Temperature adjustmemt device 17 can adopt the thermometer inside and outside main equipment 101 to measure Current Temperatures change in real time
Change, and send temperature value to main control module 12, the normal measurement of survey line 111 is obtained according to preset algorithm by main control module 12
Value.
Computational methods can be as follows：The temperature coefficient τ of survey line used 111 is obtained by thermometer measure, with 25 DEG C of environment
When the length of survey line 111 on the basis of length, then the length knots modification under certain environment temperature be Δ l=(tn-25)×τ。
When attitude measuring 14 can change according to main equipment 10 with the position for additionally arranging standby 20, survey line 111 is measured
Direction, pitching and roll angle.Attitude measuring 14 specifically can adopt laser positioning method come determine measurement point and
Change in location between datum mark, main control module 12 calculates the concrete numerical value of change according to formula, then is gone with the concrete numerical value
The measurement result of amendment survey line 111.
The coordinate recognition device can complete each main equipment 10 and additionally arrange standby 20 whole world by GPS or GNSS module
D coordinates value determines, the coordinate value is sent to Master Control Center, you can carry out automatic identification to each measurement point, so as to keep away
Exempt from the data obfuscation of each measurement point.
The wireless communication module can realize that main equipment 10 carries out data interaction with Master Control Center, realize that Monitoring Data sends
To Master Control Center or receive from Master Control Center instruction.Additionally, main equipment 10 and additionally arrange can also be using wireless between standby 20
Communication mode.The data that wireless communication module sends can include aforesaid：EIC equipment identification code, three-dimensional global coordinates, main equipment
Attitude (orientation, pitching, roll angle), additionally arrange standby attitude (orientation, pitching, roll angle), survey line length, survey line attitude (side
Position, roll angle), temperature, CRC check code etc..
The main control module 12 can be made up of a few partial function modules such as microcontroller chip, switch arrays, digital-to-analogue conversion group,
Each several part power supply, data interaction, data acquisition, data calculating, data are completed in the case where microcontroller chip firmware program drives
The observing and controlling such as wireless transmission work, is that the logic of whole equipment performs core.
Additionally arrange standby 20 auxiliary attitude measuring 26 and auxiliary control module 22 it is same with the corresponding component function phase of main equipment 10, only
It is the current state for additionally arranging standby 20 for measurement, and the calculating of correlation is completed by auxiliary control module 22, then master is passed to by cable
Control module 12.
In present embodiment, main equipment 10 adopts same set of power supply, concrete power supply to be arranged on main equipment 10 with additionally arranging standby 20
On, and provide electric power by equipment 20 supplemented by cable or wireless mode.
Present embodiment can simultaneously consider main equipment 10 and additionally arrange the spatial variations of standby 20 installation sites, while considering outer
Impact of boundary's environmental factor to survey line 111, and can be according to the attitudes vibration round-off error value of survey line 111 so that the knot of acquisition
Fruit is more accurate.Can be in the case where reduction takes up room by length-measuring appliance, there is provided the linear measure longimetry of greater amount journey.
As shown in Fig. 2 in an embodiment of the present utility model, the anchoring 11 can include being wound with survey line
111 reel 110, through the axostylus axostyle 113 in the axle center of reel 110, and the termination of survey line 111 is limited to into main casing with stress
Limited block 112 at 101 wire hole, and reel 110 is applied to fill with the constant force of the pull-out direction counter force of survey line 111
Put 15.
Reel 110 can be rotated by fulcrum of axostylus axostyle 113 under the pulling of survey line 111, and constant force device 15 applies active force
It is added on axostylus axostyle 113, the survey line 111 for enabling pull-out remains tensioned state.Specific constant force device 15 can include solid
The wheels 152 being scheduled on axostylus axostyle 113, is arranged on the angle pulley 153 of the side of wheels 152, is arranged on the perseverance of the opposite side of wheels 152
Power wind spring 151, and connection wheels 152 and constant force wind spring 151 and middle part bypass the bracing wire 154 of angle pulley 153.Angle pulley
153 can reduce the range of bracing wire 154, while reducing stress and extending the pulling force distance of constant force wind spring 151.
When survey line 111 pulls reel 110 to rotate, wheels 152 can simultaneously rotate with bracing wire 154 and by bracing wire 154 around
On wheels 152, and constant force wind spring 151 applies all the time a contrary pulling force to bracing wire 154, therefore makes the survey line 111 of pull-out
All the time tensioned state is in, when survey line 111 bounces back, constant force wind spring 151 is applied to the pulling force on wheels 152, can automatically make volume
Cylinder 110 is turned round, and survey line 111 is wound on reel 110, until limited block 112 is stuck at wire hole.The utility model is using permanent
Power wind spring 151 as force piece, can have less space availability ratio, the longer length of material for decomposing bracing wire 154,
There is bigger range under the conditions of same volume is taken, simultaneously because the spring material length for undertaking pulling force increases, it is single
The power shared on bit length material reduces, and can preferably work in elastic range, is not likely to produce permanent plastic deformation.Wheels
152 diameter can be less than the diameter of reel 110, to reach same biasing effect in the case where more small-range is paid.
Limited block 112 can be stuck in the termination of survey line 111 at wire hole when equipment is not used, prevent survey line 111 from
Retract in main casing 101, meanwhile, limited block 112 can resist the pulling force that reel 110 is applied on survey line 111, make survey line
111 are in all the time stress.Additionally, limited block 112 is additionally operable to the pre-determined bit of survey line 111 when equipment dispatches from the factory, when dispatching from the factory, will survey
The prestretching of line 111, makes internal constant force wind spring 151 produce certain stretching, and limited block 112 is fixed with survey line 111, made in whole equipment
Portion produces everywhere certain pulling force, and the inside survey line 111 being likely to occur in transport and installation process so as to avoid equipment takes off
Position problem, and can complete the in-site installation of equipment without the need for opening protection main casing 101.
Further, to prevent survey line 111 to be damaged, can damping unit be set at the wire hole of main equipment 10, should
Damping unit is used to increase the resistance of survey line 111, it is to avoid the excessive velocities in pull-out or retraction of survey line 111, causes survey line 111 to break
Split or the precision of anchoring 11 is reduced.The damping unit can be mounted in the rotary damper at the wire hole of main casing 101.
In another embodiment of the present utility model, the length-measuring appliance 13 can include one and be arranged on reel
Meter coil sensor 131 on 110 axostylus axostyle 113, and an angular displacement sensor 132 contacted with meter coil sensor 131, meter circle
Amount of spin is passed to angular displacement sensor 132 by sensor 131 with the synchronous axial system of reel 110, and angular displacement sensor 132
The pull-out length of survey line 111 is calculated according to angle change, the structure can solve the lance between super large range and certainty of measurement
Shield relation.
As shown in figure 3, being that modifying factor is the generation of the installation site of main equipment 10 in an embodiment of the present utility model
Change and cause the result of survey line 111 phenomenon of error occur, measurement current master 10 can be installed in main equipment skewed
The double-axis tilt sensor 17 of state, according to the angle change of modifying factor survey line 111 by the measurement result of double-axis tilt sensor 17
Impact to measurement result.
When in use, double-axis tilt sensor 17 is usually mounted to the upper end of the main equipment 10 with certain altitude, works as master
When the run-off the straight of equipment 10 deforms, the length of survey line 111 is caused to change, (actually measured point is not sent out to cause measurement distortion
Raw displacement).Caused by the inclination and distortion of main equipment 10 deforms often caused by the original earth's surface below basis, therefore bi-axial tilt is passed
The angle change that sensor 17 is measured actually also reflects the change of the shallow surface soil body at this point, i.e., realize two simultaneously
The ground inclination and distortion monitoring of dimension.
Inclination causes the derivation of equation method of the length change of survey line 111 can be：Using two dimension angle changes
(pitching, roll), can respectively simplify and project in two corresponding space planes, be then converted to plane geometry problem to process.
If the length of main equipment 10 is, it is known that after 10 run-off the straight of main equipment, angle of inclination is by device interior double-axis tilt sensor 17
Measurement is obtained, therefore the length change amount of survey line 111 caused because of Tilt factor, angle of inclination can be calculated according to trigonometric function
It is in one-to-one relationship with the variable quantity of survey line 111.
In an embodiment of the present utility model, measurement main equipment 10 can be installed in main equipment 10 in level side
To the electronic compass 16 of windup-degree, the survey line 111 when survey line 111 is with normal place after the torsion of main equipment 10 of main control module 12
Between variable angle, correct survey line 111 length varying value.
When the position of main equipment 10 is fixed, if (azimuth becomes the installation place ground occurred level torsional deflection of main equipment 10
Change), then the length of survey line 111 changes.As shown in figure 3, main equipment 10 occur orientation rotation deformation, the line outlet of survey line 111 from
Position A is rotated in place B, causes survey line 111 elongated, but actually main equipment 10 does not change to the distance of monitoring point E,
To the displacement error that elimination of level rotating band comes, then must calculate the length of survey line 111 caused under the effect of anglec of rotation α and become
Change value, is corrected.
In triangle AOB, side OA and OB are all equipment radius, and equipment radius is known conditions, and rotation angle α can pass through equipment
The electronic compass measurement that inside is installed is obtained, so, triangle AOB can be solved by following formula,
In triangle OEB, side OB, it is known that OE=OA+AE, angle [alpha], it is known that then side BE is solved by following formula,
Survey line length correction value BB for then causing because azimuth changes '=BE-AE,
In above formula, OB is known equipment radius, and OE installs initial survey line length for 10 radiuses of main equipment+main equipment 10,
It is, it is known that angle [alpha] is measured by device interior electronic compass 16.
Electronic compass 16 is in addition to it can carry out the length correction of survey line 111, it may also be used for the mount point ground orientation of main equipment 10
Angle change is monitored.
In an embodiment of the present utility model, to make main equipment 10 adapt to the change in location of survey line 111, can be with
One fixed pedestal 18 is set, and the main equipment 10 is rotatably installed on pedestal 18 by horizontal bearing 19, on pedestal 18
The locking system 191 of the rotation of locking main equipment 10 is installed.When 10 non-locking of main equipment, main equipment 10 can be with survey line 111
Angle change and with survey line 111 pulling force rotate.When not needing main equipment 10 to rotate, it is possible to use locking system 191 will
Main equipment 10 is locked on pedestal 18.
As shown in Figure 4,5, in an embodiment of the present utility model, a kind of open acquisition current pose of survey line 111
Structure.The attitude measuring 14 can include being arranged on the universal drive shaft 141 at the wire hole of main casing 101, and be arranged on
Laser instrument 142 on universal drive shaft 141, with and be mounted opposite with laser instrument 142 to receive the hot spot position that laser instrument 142 launches laser
Put sensor 143.The universal drive shaft 141 can be with the Orientation differences synchronous adjustment direction of rotation of survey line 111.
The length of 111 1 dimensions of survey line can only be measured by the length varying value of the length of survey line 111 and different time points
Deformation, by installing the universal drive shaft 141 that can be rotated freely in two dimensions at wire hole so as in the institute of outside survey line 111
Rotated freely by pulling force effect lower edge direction of pull, by measurement when the angle value in the first two dimension, survey can be got
Line 111 is when the angle value of the first two dimension.It can be seen from space geometry principle, the line of any known length in space
Section, if line segment space angle (attitude), it is known that if the three-dimensional distance value of this line segment two-end-point can be calculated by geometric formula
Arrive, the variable quantity of the two-end-point three-dimensional distance value of different time points is the three-dimensional position change of measured point (monitoring point).
Pedestal 18 is connected with main equipment 10 by horizontal bearing 19 in the utility model, when the direction of survey line 111 changes, water
The rotation in the meeting occurred level of plane bearing 19 direction, and universal drive shaft 141 will not then occur the angle change relative to main casing 101,
The function of above-mentioned three-dimensional position monitoring cannot just be realized.For this purpose, at above-mentioned horizontal bearing 19 latch design device 191, work as lock
Locking apparatus 191 by horizontal bearing and pedestal 18 it is locked after, the angle of universal drive shaft 141 can force to follow survey line 111 to change, realize survey
The purpose of amount monitoring point three-dimensional deflection.
Angle in the anglec of rotation and vertical direction of the horizontal direction of universal drive shaft 141 can be realized by multiple technologies, such as two
Dimension hall sensing technology or Two-dimensional PSD technology etc., are only illustrated below with Two-dimensional PSD technology.
Under normal circumstances, laser instrument 142 is a vertical angle to the hot spot that light spot position sensor 143 is launched, when ten thousand
When changing direction with the pulling force of survey line 111 to axle 141, laser instrument 142 can be driven to rotate simultaneously, the rotation of laser instrument 142 makes it
The facula position launched to light spot position sensor 143 changes, according to angle change and the linear measure longimetry of survey line 111, i.e.,
Measured point sedimentation change and left and right displacement amount can be calculated.
As shown in fig. 6, point B represents the universal drive shaft being installed on main shell 101, point F is laser instrument 142, and line EB is survey line
Length, survey line 111 is fixed on measured point (monitoring point) E, and line FA is the light that laser instrument 142 sends, and light is in universal drive shaft 141
Act on the lower moment is consistent with line direction, and point A is imaging point of the laser in Two-dimensional PSD.
In space coordinates O1：
Origin O1 overlaps positioned at the summit of Two-dimensional PSD one, i.e. Two-dimensional PSD plane with reference axis Y1-Z1 plane.
Laser beam FA is irradiated to A points on Two-dimensional PSD position sensor, then space coordinates A (x1, y1, the z1)=A of A points
(0,y1,z1)。
By PSD circuits, coordinate y1 and z1 of the luminous point on PSD two dimensional surfaces can be obtained.
I.e.：The hot spot coordinate that laser falls on PSD can be obtained in real time.
Hot spot and laser rays are projected to into respectively plane Y1O1X1And X1O1Z1, right angle three can be respectively obtained on two planar
Angular FO1Y1' and right angled triangle FO1Z1’。
In triangle FO1Y1' in, right-angle side FO1(fixed value) known to length, right-angle side OY1' length be equal to y1 (LAY1),
Then
In triangle FO1Z1' in, right-angle side FO1Length is, it is known that right-angle side OZ1' length be equal to z1 (LAZ1), then
In space coordinates O2：
LEB(measured by survey line sensor) known to length, then in plane EO2Z2In, survey line length LEBThrowing in its plane
Shadow length LEZ2Can be calculated by following formula
LEZ2=LBE×cosβ2 (3)
In plane EO2Y2In, survey line length LEBProjected length L in its planeEY2Can be calculated by following formula
LEY2=LBE×cosα2 (4)
Because space coordinates O1 are parallel to each other with O2, and survey line LEB with laser beam LFA the identical (machine in the direction in space
Under tool rigid structure universal drive shaft conduction, laser beam it is always passive with survey line keep direction it is consistent), then according to similar three
Angular principle is obtained
α 2=α 1 (5)
β 2=β 1 (6)
Formula 5, formula 6 are substituted into into formula 3, formula 4, can be obtained
LEZ2=LBE×cosβ1 (7)
LEY2=LBE×cosα1 (8)
Because B points (universal drive shaft) overlaps with plane Y2-Z2 of coordinate system O2, thus coordinate of the B points in O2 coordinate systems be B (0,
Y2, z2), y2 is LBY2, z2 is LBZ2。
Y2=LBY2=LEY2×sinβ2 (9)
Z2=LBZ2=LEZ2×sinα2 (10)
Formula 5,6,7,8 is substituted into into formula 9,10, is obtained
Y2=LBE×cosα1×sinβ1 (11)
Z2=LBE×cosβ1×sinα1 (12)
Formula 1, formula 2 are substituted into
Then, monitoring point E is respectively in three-dimensional to three distance values relative to point B
Dx=LEO2 (17)
Dy=y2 (18)
Dz=z2 (19)
I.e.：
In above formula, LBE、LAY1、LFO1It is the known quantity for measuring in real time：
LBE：The survey line length (the survey line length of universal drive shaft to monitoring point) measured for length-measuring appliance.
LAY1、LFO1：The two-dimensional coordinate value of the laser facula obtained for Two-dimensional PSD measurement.
By Dx, Dy, Dz length change for contrasting different time points, you can calculate the displacement of monitoring point.
Above formula does not consider the sign of angle and coordinate in space coordinates, and public affairs can be added to during practical application
In formula.
In an embodiment of the present utility model, spool 144 can be installed in universal drive shaft 141, survey line 111 is by line
Pass in pipe 144, can arrange in spool 144 increases the elastic layer of friction with survey line 111.Survey can be slowed down by the structure
The pulling speed of line 111, while preferably pulling force is delivered on universal drive shaft 141, makes change and the survey line 111 of universal drive shaft 141
Change be consistent.
In an embodiment of the present utility model, the main equipment 10 can adopt same set of power supply with additionally arranging standby 20,
Power supply can be rechargeable battery or non-rechargeable battery, and power supply is arranged on main equipment 10, and by equipment 20 supplemented by cable
Electric power is provided, can be installed in the upper surface of main casing 101 and be absorbed solar energy and supplement the monocrystalline silicon piece 102 of electric power to power supply.
So far, although those skilled in the art will appreciate that herein it is detailed illustrate and describe it is of the present utility model many
Individual exemplary embodiment, but, in the case of without departing from the utility model spirit and scope, still can be public according to the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new
The scope of type is understood that and regards as covering all these other variations or modifications.
Claims (10)
1. the various dimensions displacement measuring device of survey line is based on, it is characterised in that included：
Main equipment, including the main casing installed in datum mark, and connects datum mark and measurement in main casing body by survey line
The anchoring of point, to drawing the length-measuring appliance that survey line length is measured, corrects the temperature that environment temperature affects on survey line
Degree correcting device；Control survey line pulls out the damping unit of speed and retraction speed；With the attitude measurement of the aerial angle of measurement survey line
Device；With the coordinate recognition device of identification current measurement position；And realize the wireless communication apparatus and master control mould of telecommunication
Block；
Additionally arrange it is standby, including the auxiliary housing installed in monitoring point, and the auxiliary control module in the auxiliary housing；
The main equipment and described additionally arranging standby carry out signal communication and electrically connected by cable.
2. various dimensions displacement measuring device according to claim 1, it is characterised in that
The anchoring includes being wound with the reel of survey line, through the axostylus axostyle in reel axle center, and by the termination of survey line with stress shape
State is limited to the limited block at the wire hole of the main casing, and the reel is applied and survey line pull-out direction adverse effect
The constant force device of power, the constant force device includes the wheels being arranged on the axostylus axostyle, is arranged on the angle pulley of wheels side,
It is arranged on the constant force wind spring of wheels opposite side, and connection wheels and constant force wind spring and middle part bypass the bracing wire of angle pulley.
3. various dimensions displacement measuring device according to claim 2, it is characterised in that
The length-measuring appliance include one be arranged on the reel axostylus axostyle on meter coil sensor, and with meter coil sensor
The angular displacement sensor of contact；The amount of spin of reel is passed to angular displacement sensor and becomes angle change by the meter coil sensor
Amount, and then converse corresponding survey line length.
4. various dimensions displacement measuring device according to claim 1, it is characterised in that
The main equipment and it is described additionally arrange it is standby it is interior be separately installed with the double-axis tilt sensor for measuring its current tilt state, and survey
Measure the electronic compass of its horizontal torsion angle, the main control module is according to the double-axis tilt sensor and the electronic compass
The actual measured value of measured value amendment survey line.
5. various dimensions displacement measuring device according to claim 1, it is characterised in that
The temperature adjustmemt device includes temperature sensor, the main control module according to the value of the temperature sensor, using institute
State stroke of the temperature coefficient of survey line to the survey line at different temperatures to be modified.
6. various dimensions displacement measuring device according to claim 1, it is characterised in that
Also include pedestal, the main equipment is rotatably installed on the pedestal by horizontal bearing, is pacified on the pedestal
Locking system equipped with main equipment rotation described in locking.
7. various dimensions displacement measuring device according to claim 1, it is characterised in that
The attitude measuring includes being arranged on the universal drive shaft at the wire hole of the housing, on the universal drive shaft
Laser instrument, the light spot position sensor to receive the laser instrument transmitting laser relative with the laser instrument；The universal drive shaft with
The Orientation differences synchronous adjustment direction of rotation of the survey line.
8. various dimensions displacement measuring device according to claim 7, it is characterised in that
The attitude measuring also includes the spool being arranged on the universal drive shaft, the survey line by passing in the spool,
Being provided with the spool increases the elastic layer of friction with the survey line.
9. various dimensions displacement measuring device according to claim 1, it is characterised in that
The damping unit is rotary damper, and the coordinate recognition device is d GPS locating module.
10. various dimensions displacement measuring device according to claim 1, it is characterised in that
The main equipment and additionally arrange standby using same set of power supply, the power supply is rechargeable battery or non-rechargeable battery, described
Battery is arranged on the main equipment, and additionally arranges standby offer electric power for described by cable, is pacified in the upper surface of the main casing
The monocrystalline silicon piece of electric power is supplemented equipped with absorption solar energy and to the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143335.XU CN206160947U (en) | 2016-10-21 | 2016-10-21 | Multidimension degree displacement measurement device based on survey line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143335.XU CN206160947U (en) | 2016-10-21 | 2016-10-21 | Multidimension degree displacement measurement device based on survey line |
Publications (1)
| Publication Number | Publication Date |
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| CN206160947U true CN206160947U (en) | 2017-05-10 |
Family
ID=58654977
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621143335.XU Withdrawn - After Issue CN206160947U (en) | 2016-10-21 | 2016-10-21 | Multidimension degree displacement measurement device based on survey line |
Country Status (1)
| Country | Link |
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| CN (1) | CN206160947U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225689A (en) * | 2016-10-21 | 2016-12-14 | 河北稳控科技有限公司 | Various dimensions displacement measuring device based on survey line |
| CN108709491A (en) * | 2018-08-14 | 2018-10-26 | 河北稳控科技有限公司 | A kind of contactless structural deformation monitoring device and method |
| CN110553632A (en) * | 2019-10-21 | 2019-12-10 | 山河智能装备股份有限公司 | Underwater construction positioning system |
| CN111006619A (en) * | 2019-12-27 | 2020-04-14 | 李玲玲 | Measurer for freezing wire drawing |
| CN111026202A (en) * | 2019-09-30 | 2020-04-17 | 陕西雷神智能装备有限公司 | Motion equipment drive-by-wire signal generation device and drive-by-wire motion equipment |
| CN111506126A (en) * | 2020-03-17 | 2020-08-07 | 陕西雷神智能装备有限公司 | Multidirectional motion equipment drive-by-wire signal generation device and drive-by-wire motion equipment |
| CN112985253A (en) * | 2019-12-17 | 2021-06-18 | 英飞凌科技股份有限公司 | Control stick comprising a single magnetic sensor for twist and tilt angle detection |
| CN114440820A (en) * | 2022-01-12 | 2022-05-06 | 中国地质大学（武汉） | Landslide underwater deformation characteristic transfer monitoring equipment and method |
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2016
- 2016-10-21 CN CN201621143335.XU patent/CN206160947U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225689A (en) * | 2016-10-21 | 2016-12-14 | 河北稳控科技有限公司 | Various dimensions displacement measuring device based on survey line |
| CN106225689B (en) * | 2016-10-21 | 2019-01-04 | 河北稳控科技有限公司 | Various dimensions displacement measuring device based on survey line |
| CN108709491A (en) * | 2018-08-14 | 2018-10-26 | 河北稳控科技有限公司 | A kind of contactless structural deformation monitoring device and method |
| CN108709491B (en) * | 2018-08-14 | 2024-03-29 | 河北稳控科技股份有限公司 | Non-contact structure deformation monitoring device and method |
| CN111026202A (en) * | 2019-09-30 | 2020-04-17 | 陕西雷神智能装备有限公司 | Motion equipment drive-by-wire signal generation device and drive-by-wire motion equipment |
| CN110553632A (en) * | 2019-10-21 | 2019-12-10 | 山河智能装备股份有限公司 | Underwater construction positioning system |
| CN112985253A (en) * | 2019-12-17 | 2021-06-18 | 英飞凌科技股份有限公司 | Control stick comprising a single magnetic sensor for twist and tilt angle detection |
| CN111006619A (en) * | 2019-12-27 | 2020-04-14 | 李玲玲 | Measurer for freezing wire drawing |
| CN111506126A (en) * | 2020-03-17 | 2020-08-07 | 陕西雷神智能装备有限公司 | Multidirectional motion equipment drive-by-wire signal generation device and drive-by-wire motion equipment |
| CN114440820A (en) * | 2022-01-12 | 2022-05-06 | 中国地质大学（武汉） | Landslide underwater deformation characteristic transfer monitoring equipment and method |
| CN114440820B (en) * | 2022-01-12 | 2023-02-28 | 中国地质大学（武汉） | Landslide underwater deformation characteristic transfer monitoring device and method |
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