CN105300350B - A kind of numerical control absolute altitude instrument, Level System and construction elevation measuring method - Google Patents
A kind of numerical control absolute altitude instrument, Level System and construction elevation measuring method Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
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Abstract
The present invention is applied to engineering construction absolute altitude technical field, and there is provided a kind of numerical control absolute altitude instrument, Level System and construction elevation measuring method.When using, the laser head of Geoplane is after level is adjusted, launch single beam laser, laser is reached on the graduation mark on front side of numerical control absolute altitude instrument instrument mask, now survey crew reads the graduation mark indicating value, then the indicating value is inputted on mobile terminal, mobile terminal is according to this indicating value, and combine the roadbed coordinate parameters of storage, lift parameter etc., calculate the numerical value that the pointer of numerical control absolute altitude instrument must be moved, then mobile numerical value is sent to numerical control absolute altitude instrument, the controller control motor action of numerical control absolute altitude instrument, realize that control pointer reaches the position of the instruction.This absolute altitude instrument is simple to operate, can accurately be quickly found out relief, be swift in response.
Description
Technical field
The invention belongs to engineering construction absolute altitude technical field, more particularly to a kind of numerical control absolute altitude instrument, Level System and apply
Work level measurement method.
Background technology
Current engineering construction is specific to use spirit level and common elevation ruler, level using the densely covered absolute altitude construction technology of roadbed
Instrument needs focusing, and common elevation ruler does not have pointer locomotive function, and whole absolute altitude operates very cumbersome, inefficiency, measurement accuracy
It is not enough.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of numerical control absolute altitude instrument, Level System and construction elevation
Measuring method, it is intended to solve the not enough technology of cumbersome existing engineering construction absolute altitude method, inefficiency, measurement accuracy and ask
Topic.
On the one hand, the numerical control absolute altitude instrument includes instrument mask and the motor, the ball that are arranged in the instrument mask
Scale is indicated on front side of screw mandrel, ball wire bar pair and guide rod, the instrument mask, the ball screw is parallel with the guide rod to be set
Put, the output shaft synchronous of the ball screw and the motor, pointer, the numerical control are additionally provided with the ball wire bar pair
Absolute altitude instrument also includes controller, and the controller, which is built-in with communication module, the instrument mask, is additionally provided with encoder, the control
Device is connected to the motor by the encoder.
On the other hand, the Level System, including the numerical control absolute altitude instrument, in addition to Geoplane and mobile terminal,
The Geoplane is directed at the numerical control absolute altitude instrument, and the mobile terminal and the numerical control absolute altitude instrument are wired or wirelessly connect
Connect.
The third aspect, the construction elevation measuring method comprises the steps：
The laser head of Geoplane launches single beam laser after level is adjusted, and the single beam laser reaches numerical control
On graduation mark on front side of absolute altitude instrument instrument mask；
Roadbed coordinate parameters and lifting parameter on acquisition for mobile terminal electronic drawing, and obtain the list of mapping worker input
Shu Jiguang irradiates corresponding graduation mark indicating value；
Mobile terminal is according to the roadbed coordinate parameters and lifts parameter, and with reference to described in being calculated the graduation mark indicating value
The mobile numerical value of the pointer of numerical control absolute altitude instrument；
The mobile numerical value is sent to the numerical control absolute altitude instrument；
The controller of the numerical control absolute altitude instrument is instructed to the encoder output control, controls the motor action,
The motor drives the pointer to move a certain distance, and the position that pointer is stopped is number of altitude position.
The present invention has advantages below：
(1) present invention is automatically performed level measurement, numerical control mark using Geoplane, mobile terminal and numerical control absolute altitude instrument
Gao Yi gets the numerical value that indicator must be moved, and then controls pointer to reach the position of the instruction, and operating personnel are used directly in
To mark post fast scribing at pointer, efficiency of construction is improved, and measurement accuracy is improved；
(2) present invention replaces traditional spirit level or laser level using Geoplane, reduces the time of focusing, carries
High workload efficiency；
(3) mobile terminal can obtain the roadbed coordinate parameters and lifting parameter on electronic drawing, combining with digital control mark automatically
Gao Yi is changed and calculated in the graduation mark indicating value data of specific mapped point, show that absolute altitude instrument pointer needs the position indicated,
Numerical control absolute altitude instrument is transmitted data to by wirelessly or non-wirelessly mode, the controller of numerical control absolute altitude instrument just can accurately be quickly found out absolute altitude
Point, it is simple to operate, it is swift in response.
Brief description of the drawings
Fig. 1 is the structure chart for the numerical control absolute altitude instrument that first embodiment of the invention is provided；
Fig. 2 is the structure chart for the Level System that second embodiment of the invention is provided；
Fig. 3 is the flow chart for the construction elevation measuring method that third embodiment of the invention is provided；
Fig. 4 is the particular flow sheet of step S2 in Fig. 3；
Fig. 5 is the particular flow sheet of step S3 in Fig. 3；
Fig. 6 is the particular flow sheet of step S31 in Fig. 5；
Fig. 7 is the particular flow sheet of step S32 in Fig. 5.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Embodiment one：
Fig. 1 shows the structure of numerical control absolute altitude instrument provided in an embodiment of the present invention, illustrate only for convenience of description and this
The related part of inventive embodiments.
As shown in figure 1, the numerical control absolute altitude instrument include instrument mask 1 and be arranged in the instrument mask motor 2,
Scale 6 is indicated on front side of ball screw 3, ball wire bar pair 4 and guide rod 5, the instrument mask, the ball screw 3 is led with described
Bar 5 be arranged in parallel, the output shaft synchronous of the ball screw 3 and the motor 2, is additionally provided with the ball wire bar pair 4
Pointer 41, the numerical control absolute altitude instrument also includes controller 7, and the controller is built-in with communication module (not shown), described
Encoder 8 is additionally provided with instrument mask, the controller 7 is connected to the motor 2 by the encoder 8.
In this structure, motor is used to drive ball screw to rotate, under guide rod effect, the ball wire bar pair
It can move up and down, ball wire bar pair is provided with pointer, for indicating positions.The motor is preferably stepper motor.Control
Device processed is received by communication module comes from mobile numerical value needed for the pointer that mobile terminal is sent, controller output control signal,
Control signal is converted to corresponding number of steps by encoder, then controls motor to turn an angle, in the effect of guide rod
Under, ball wire bar pair is moved a certain distance.This numerical control absolute altitude instrument is without manual intervention, and intelligence degree is high, accurately can quickly look for
To relief, measurement efficiency is improved.
As a kind of concrete structure inside instrument mask, upper and lower ends are equipped with support 9, the driving in the instrument mask
Motor 2 is fixed therein on a support, it is illustrated that in, motor is fixed on lower carriage.The two supports are flange form branch
Frame, motor and guide rod are fixedly mounted, and between two supports, encoder is mounted in driving electricity for the ball screw and guide rod
On the tailstock of machine.Mobile terminal is sent instructions to after the controller of numerical control absolute altitude instrument, and controller direct controlling and driving motor is watched
Position is taken, motor drives ball wire bar pair to move up and down, and ball screw is oriented to according to guide rod, and pointer really will definitely be moved quickly
To relief.In addition, the instrument mask bottom is additionally provided with rechargeable battery 10, the rechargeable battery is that numerical control absolute altitude instrument is powered.
Embodiment two：
Fig. 2 shows the structure of Level System provided in an embodiment of the present invention, illustrate only and this hair for convenience of description
The related part of bright embodiment.
As shown in Fig. 2 the Level System includes the numerical control absolute altitude instrument 100 described in embodiment one, in addition to laser is put down
Instrument 200 and mobile terminal 300, the Geoplane 200 are directed at the numerical control absolute altitude instrument 100, the mobile terminal 300 and institute
State the wired or wireless connection of numerical control absolute altitude instrument 200.
The laser head of Geoplane launches single beam laser after level is adjusted, and laser reaches numerical control absolute altitude instrument instrument
On graduation mark on front side of device cover, now survey crew reads graduation mark indicating value, and then the indicating value is inputted on mobile terminal, mobile
Terminal combines the roadbed coordinate parameters of storage, lifting parameter etc. according to this indicating value, calculates the pointer of numerical control absolute altitude instrument
The numerical value that must be moved, is then sent to numerical control absolute altitude instrument by wirelessly or non-wirelessly communicating by mobile numerical value, numerical control absolute altitude instrument
Controller control motor action, realizes that control pointer reaches the position of the instruction, survey crew is directly at pointer to mark
Bar fast scribing, completes absolute altitude operation.
Be stored with AutoCAD electronic drawings, mobile terminal energy in the mobile terminal or in the USB flash disk of mobile terminal connection
Obtain the roadbed parameter and lifting parameter on AutoCAD electronic drawings.Then according to the roadbed parameter and lifting parameter got,
The laser beam graduation mark indicating value of combining with digital control absolute altitude instrument, calculates the numerical value moved needed for the pointer on numerical control absolute altitude instrument, then
Mobile numerical value is sent to numerical control absolute altitude instrument, pointer movement control is realized.
Embodiment three：
Fig. 3 shows the flow of construction elevation measuring method provided in an embodiment of the present invention, only shows for convenience of description
The part related to the embodiment of the present invention.
The construction elevation measuring method that the present embodiment is provided comprises the steps：
Step S1, Geoplane laser head after level is adjusted, launch single beam laser, the single beam laser is arrived
On graduation mark on front side of up to numerical control absolute altitude instrument instrument mask；
Roadbed coordinate parameters and lifting parameter on step S2, acquisition for mobile terminal electronic drawing, and obtain mapping worker
The single beam laser of input irradiates corresponding graduation mark indicating value；
Step S3, mobile terminal are according to the roadbed coordinate parameters and lift parameter, and with reference to the graduation mark indicating value meter
Calculate the mobile numerical value of the pointer of the numerical control absolute altitude instrument；
Step S4, the mobile numerical value sent to the numerical control absolute altitude instrument；
Step S5, the controller of the numerical control absolute altitude instrument are instructed to the encoder output control, control the driving electricity
Motor-driven work, the motor drives the pointer to move a certain distance, and the position that pointer is stopped is number of altitude position.
In this method, mobile terminal reads AutoCAD electronic drawings, obtains roadbed parameter and lifting parameter, and binding number
The laser beam graduation mark indicating value of absolute altitude instrument is controlled, the numerical value moved needed for the pointer on numerical control absolute altitude instrument is calculated, then will be mobile
Numerical value is sent to numerical control absolute altitude instrument, realizes pointer movement control.
When implementing, as shown in figure 4, above-mentioned steps S2 is specifically included：
Step S21, importing road construction electronic drawing.
The electronic drawing storage in the terminal, or in the USB flash disk being connected with the mobile terminal, USB flash disk is inserted
After on to mobile terminal, mobile terminal reads electronic drawing automatically.
Step S22, find from electronic drawing starting pile No., knick point pile No., vertical curve start-stop pile No. and become superelevation
Horizontal slope slope pile No., and by pile No. numbering size, input from small to large into array B, i-th of data in the array B are used
biRepresent.
The beginning pile No. of road construction, knick point pile No., perpendicular song from partly being found " the main line skiagraph " of electronic drawing
Line start-stop pile No., change superelevation horizontal slope slope pile No., are input in array B, B=[b from small to large by pile No.1,b2,b3,...,
bn].Because road construction pile No. is very more, this step only preserves some special pile No., than beginning pile No. described above, knick point
Pile No., vertical curve start-stop pile No., change superelevation horizontal slope slope pile No. etc., middle pile No. can be obtained directly by interpolation.Here
The knick point refers to that the intersection point of two adjacent grade lines, is referred to as knick point on vertical section.
Step S23, according to the pile No. order in array B, corresponding altitude information will be input in design road surface elevation column
In array C, i-th of data c in the array CiRepresent.
There is one group of design road surface elevation column on electronic drawing, the inside indicates the desired design road surface elevation of each pile No., pressed
According to the pile No. order in array B, correspond the design road surface elevation answered that stake is checked the number and input into array C.
Step S24, according in array B pile No. order, corresponding left horizontal slope slope data in superelevation column is input to number
In group D, corresponding right horizontal slope slope data in superelevation column is input in array E, wherein, linear section slope is defaulted as er,
I-th of data in the array D and E are expressed as diAnd ei。
Road is divided into left side and right side, and the high both sides in Ordinary Rd centre are low, are easy to draining etc..Therefore for each pile No.,
There are a left horizontal slope slope and right horizontal slope slope, search the superelevation column of electronic drawing, will according to the pile No. order in array B
Left horizontal slope slope data is input in array D, and right horizontal slope slope data is input in array E, and wherein linear section slope is write from memory
Think er, such as drawing is provided as -2%.
Step S25, according in array B pile No. order, corresponding Gradient in gradient column is input to array F
In, i-th of data f in the array FiRepresent.
There is certain gradient and rise and fall in construction road surface, this step is according to the pile No. in array B sequentially by Gradient
It is input in array F.
Step S26, from vertical curve section pile No. up to stake position in vertical curve, pile No. is inputted into array G, Ran Hou
Vertical curve section is inputted in array G and stops pile No., it is while pile No. is inputted, corresponding altitude information in design road surface elevation column is defeated
Enter into array H；I-th of data in the array G and H are expressed as giAnd hi。
According to " main line skiagraph ", pile No., will up to stake position (knick point pile No.) in vertical curve from vertical curve section
Pile No. is inputted into array G, and vertical curve section is then inputted in array G and stops pile No., while pile No. is inputted, road surface will be designed
Corresponding altitude information is inputted into array H in elevation column.Here, vertical curve refers to, on track profile, using knick point as
Intersection point, the curve of the adjacent slope section of connection two is referred to as vertical curve.
Step S27, by the corresponding vertical curve radius of curvature data of vertical curve start-stop pile No. scope, input into array I, institute
Radius of curvature point sign is stated, in no vertical curve section, radius of curvature is positive infinity, and i-th of data in the array I are used
iiRepresent.
According to " main line skiagraph ", find vertical curve and play pile No. and only corresponding vertical curve radius of curvature in the range of pile No.
Data, and be input in array I, the data in array I are corresponding with the pile No. in array B, and radius point sign, do not erecting
Curved section, radius of curvature is just positive infinity.
It is further to note that above-mentioned steps S23 to S27 orders in no particular order.It can carry out simultaneously or any first
After carry out.
When implementing, as shown in figure 5, above-mentioned steps S3 specifically includes following step：
Step S31, initialization array B to I, calculate actual mileage pile No. akMiddle stake design altitude；
Step S32, the actual mileage pile No. a of calculatingkLeft and Right Side Piles elevation；
Step S33, according to the Left and Right Side Piles elevation, the pointer of the numerical control absolute altitude instrument is calculated with reference to graduation mark indicating value
Mobile numerical value.
As shown in fig. 6, the step S31 includes：
Step S311, the actual mileage pile No. a for obtaining inputk。
Here actual mileage pile No. is to need the actual pile No. of absolute altitude.
Step S312, lookup array B, find j-th of pile No. b in array BjSo that bj<ak<bj+1。
In data B, pile No. is sized, therefore can find two adjacent pile No. bjAnd bj+1.So that ak exists
Between the two pile No..
Step S313, the pile No. j in array B find c from each arrayj、cj+1、dj、dj+1、ej、ej+1、fj、
fj+1、gj、gj+1、hj、hj+1、ij、ij+1。
Pile No. bjIt is j-th of pile No. in array B, therefore corresponding j-th and jth+1 can be found in other arrays
Individual data, here respectively cj、cj+1、dj、dj+1、ej、ej+1、fj、fj+1、gj、gj+1、hj、hj+1、ij、ij+1。
Step S314, judge djAnd dj+1, and ejAnd ej+1Size, if dj=dj+1And ej=ej+1, then actual mileage
Pile No. akCorresponding left horizontal slope slope d 'k=dj, corresponding right horizontal slope slope e 'k=ej；
If step S315, dj≠dj+1But ej=ej+1, then actual mileage pile No. akCorresponding left horizontal slope slope d 'k=
(dj+1-dj)(ak-bj)/(bj+1-bj)+dj, corresponding right horizontal slope slope e 'k=ej；
If step S316, ej≠ej+1, then actual mileage pile No. akCorresponding left horizontal slope slope d'k=dj, the corresponding right side
Horizontal slope slope e 'k=(ej+1-ej)(ak-bj)/(bj+1-bj)+ej；
Step S317, the actual mileage pile No. akCorresponding Gradient f 'k=fj, corresponding vertical curve section pile No. g 'k
=gj, vertical curve section pile No. correspondence elevation h 'k=hj, corresponding radius of curvature I 'k=ij；
Step S318, calculating akCorresponding design road surface elevation c'k=h 'k+f’k*(ak-g’k)-(ak-g’k)2/2I’k。
Above-mentioned steps S314 to S318 judges djAnd dj+1, and ejAnd ej+1Magnitude relationship, and correspondence calculate d ' k, e ' k,
F ' k, g ' k, h ' k, I ' k sizes, finally obtain akCorresponding design road surface elevation c'k, i.e., middle stake elevation.
As shown in fig. 7, the step S32 includes：
Step S321, acquisition width of roadway m, pavement construction floor height p and pavement construction groundwork thickness pk。
The width of roadway m, pavement construction floor height p and pavement construction groundwork thickness pkAll be road construction early stage with
And planned, therefore these parameters are directly obtained here.
Step S322, map out actual mileage pile No. akWidth m of the correspondence skirt piles relative to middle stakek。
Then a is mapped out using laser range finderkWidth m of the corresponding skirt piles of stake relative to middle stakek。
Step S323, calculating left side stake elevation cl'k=c'k+mk*d'k+pk；
Step S324, calculating the right stake elevation cr'k=c'k+mk*e'k+pk。
Finally according to c'k、mk、d'k、e'kAnd pkCalculate Left and Right Side Piles elevation.Because above-mentioned steps calculate obtained akIt is right
The design road surface elevation c' answeredkFor height above sea level, and the graduation mark indicating value that laser beam irradiation is obtained is relative altitude, in order to obtain
The displacement of pointer, therefore also need to know the height of foundation of the corresponding road surface RELATIVE SEA LEVEL of each pile No., and this base
Plinth height is known by ground location before road construction, therefore in step S33, Left and Right Side Piles elevation is subtracted into ground
Height of foundation, then tries to achieve with the difference of the graduation mark indicating value the mobile numerical value for needed for numerical control absolute altitude instrument pointer.
It should be noted that the present embodiment method is generally used for the road foundation absolute altitude construction working of road construction, for
The ring road part of road and elevated bridge are vertically connected with part etc., because bend radian very big, uncertain factor is more,
Absolute altitude can not be carried out by this method, it is general directly to input roadbed parameter, lifting parameter etc. in the terminal, can directly it count
Calculation obtains mobile numerical value needed for pointer.
To sum up, the present invention can apply municipal road, highway, heavy civil engineering construction, city and intercity track
The densely covered road foundation height mark construction working of field of traffic, greatly enhances operating efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of construction elevation measuring method, it is characterised in that methods described is applied to Level System, the system includes numerical control
Absolute altitude instrument, Geoplane and mobile terminal, the Geoplane are directed at the numerical control absolute altitude instrument, the mobile terminal and institute
State that numerical control absolute altitude instrument is wired or wireless connection, the numerical control absolute altitude instrument includes instrument mask and is arranged in the instrument mask
Scale, the ball screw and institute are indicated on front side of motor, ball screw, ball wire bar pair and guide rod, the instrument mask
State guide rod to be arranged in parallel, the output shaft synchronous of the ball screw and the motor, be additionally provided with the ball wire bar pair
Pointer, the numerical control absolute altitude instrument also includes controller, and the controller is built-in with communication module, the instrument mask and is additionally provided with volume
Code device, the controller is connected to the motor by the encoder；Methods described includes：
The laser head of Geoplane launches single beam laser after level is adjusted, and the single beam laser reaches numerical control absolute altitude
On graduation mark on front side of instrument instrument mask；
Roadbed coordinate parameters and lifting parameter on acquisition for mobile terminal electronic drawing, and obtain single Shu Ji of mapping worker input
The corresponding graduation mark indicating value of light irradiation；
Mobile terminal calculates the numerical control according to the roadbed coordinate parameters and lifting parameter with reference to the graduation mark indicating value
The mobile numerical value of the pointer of absolute altitude instrument；
The mobile numerical value is sent to the numerical control absolute altitude instrument；
The controller of the numerical control absolute altitude instrument is instructed to the encoder output control, controls the motor action, described
Motor drives the pointer to move a certain distance, and the position that pointer is stopped is number of altitude position.
2. method as claimed in claim 1, it is characterised in that the roadbed coordinate parameters on the acquisition for mobile terminal electronic drawing
Specifically included with lifting parameter step：
Import road construction electronic drawing；
Starting pile No., knick point pile No., vertical curve start-stop pile No. are found from electronic drawing and becomes superelevation horizontal slope slope pile No.,
And by pile No. numbering size, input from small to large into array B, i-th of data b in the array BiRepresent；
According to the pile No. order in array B, corresponding altitude information in design road surface elevation column is input in array C, it is described
I-th of data c in array CiRepresent；
According to the pile No. order in array B, corresponding left horizontal slope slope data in superelevation column is input in array D, by superelevation
Corresponding right horizontal slope slope data is input in array E in column, wherein, linear section slope is defaulted as er, the array D and E
In i-th of data be expressed as diAnd ei；
According to the pile No. order in array B, corresponding Gradient in gradient column is input in array F, in the array F
I-th of data fiRepresent；
Pile No. inputs pile No. into array G up to stake position in vertical curve from vertical curve section, is then inputted in array G
Vertical curve section stops pile No., while pile No. is inputted, and corresponding altitude information in design road surface elevation column is inputted to array H
In；I-th of data in the array G and H are expressed as giAnd hi；
The corresponding vertical curve radius of curvature data of vertical curve start-stop pile No. scope are inputted into array I, the radius of curvature point
Sign, in no vertical curve section, radius of curvature is positive infinity, i-th of data i in the array IiRepresent.
3. method as claimed in claim 2, it is characterised in that the mobile terminal is joined according to the roadbed coordinate parameters and lifting
Number, and the mobile numerical steps of the pointer of the numerical control absolute altitude instrument are calculated with reference to the graduation mark indicating value, specifically include：
Array B to I is initialized, actual mileage pile No. a is calculatedkMiddle stake design altitude；
Calculate actual mileage pile No. akLeft and Right Side Piles elevation；
According to the Left and Right Side Piles elevation, the mobile numerical value of the pointer of the numerical control absolute altitude instrument is calculated with reference to graduation mark indicating value.
4. method as claimed in claim 3, it is characterised in that the actual mileage pile No. a of calculatingkMiddle stake design altitude step,
Specifically include：
Obtain the actual mileage pile No. a of inputk；
Array B is searched, j-th of pile No. b in array B is foundjSo that bj<ak<bj+1；
Pile No. j in array B finds corresponding c from each arrayj、cj+1、dj、dj+1、ej、ej+1、fj、fj+1、gj、gj+1、
hj、hj+1、ij、ij+1；
Judge djAnd dj+1, and ejAnd ej+1Size, if dj=dj+1And ej=ej+1, then actual mileage pile No. akA corresponding left side
Horizontal slope slope d 'k=dj, corresponding right horizontal slope slope e 'k=ej；
If dj≠dj+1But ej=ej+1, then actual mileage pile No. akCorresponding left horizontal slope slope d 'k=(dj+1-dj)(ak-bj)/
(bj+1-bj)+dj, corresponding right horizontal slope slope e 'k=ej；
If ej≠ej+1, then actual mileage pile No. akCorresponding left horizontal slope slope d'k=dj, corresponding right horizontal slope slope e 'k=
(ej+1-ej)(ak-bj)/(bj+1-bj)+ej；
The actual mileage pile No. akCorresponding Gradient f 'k=fj, corresponding vertical curve section pile No. g 'k=gj, vertical curve section
Pile No. correspondence elevation h 'k=hj, corresponding radius of curvature I 'k=ij；
Calculate akCorresponding design road surface elevation c'k=h 'k+f’k*(ak-g’k)-(ak-g’k)2/2I’k。
5. method as claimed in claim 4, it is characterised in that the actual mileage pile No. a of calculatingkLeft and Right Side Piles elevation step,
Specifically include：
Obtain width of roadway m, pavement construction floor height p and pavement construction groundwork thickness pk；
Map out actual mileage pile No. akWidth m of the correspondence skirt piles relative to middle stakek；
Calculate left side stake elevation cl'k=c'k+mk*d'k+pk；
Calculate the right stake elevation cr'k=c'k+mk*e'k+pk。
6. method as claimed in claim 1, it is characterised in that upper and lower ends are equipped with support, the driving in the instrument mask
Motor is fixed therein on a support, and the guide rod is fixed between two supports.
7. method as claimed in claim 6, it is characterised in that the instrument mask bottom is additionally provided with rechargeable battery, the charging electricity
Pond is that numerical control absolute altitude instrument is powered.
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| CN107138864B (en) * | 2017-07-07 | 2023-06-09 | 东宁晟（北京）数字科技有限公司 | Laser numerical control pile-pointing instrument |
| CN109117579B (en) * | 2018-08-30 | 2022-12-27 | 沈阳云仿致准科技股份有限公司 | Design calculation method of porous orifice plate flowmeter |
| CN109443308B (en) * | 2018-11-07 | 2020-09-29 | 中国十九冶集团有限公司 | Roadbed elevation detection device and roadbed elevation detection method |
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| JP2013221887A (en) * | 2012-04-18 | 2013-10-28 | Seiko Epson Corp | Information processing device, moving body, altitude measurement system, and altitude measurement method |
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| CN201413477Y (en) * | 2009-05-06 | 2010-02-24 | 浙江亚龙教育装备股份有限公司 | Position control and detection integrated device |
| CN203396387U (en) * | 2013-06-08 | 2014-01-15 | 国家电网公司 | Data marking and vertical orientation auxiliary device for leveling rod |
| CN205079757U (en) * | 2015-10-13 | 2016-03-09 | 武昌首义学院 | Numerical control elevation appearance and elevation system |
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