CN103884319B - Exempt from tower base sectional drawing measuring method and the equipment of total powerstation - Google Patents

Abstract

Propose tower base sectional drawing measuring method and the equipment exempting from total powerstation, belong to column foot design field.The method includes obtaining the centrical coordinate of tower and the azimuth of circuit direction of advance；Obtain column foot front and the length of side, calculate the angle of tower leg and circuit direction of advance；The angle calcu-lation Chu Tawei center of azimuth according to circuit direction of advance and tower leg and circuit direction of advance to the azimuth of tower leg；According to the centrical coordinate of tower, the centrical distance of tower leg to tower and Ta Wei center to the azimuth of tower leg, calculate the coordinate of tower leg.

Description

Exempt from tower base sectional drawing measuring method and the equipment of total powerstation

Technical field

The present invention relates to column foot design field, particularly relate to a kind of tower base sectional drawing measuring method exempting from total powerstation and equipment.

Background technology

Azimuth, also known as azimuth (Azimuth (angle) abridge Az), is the side measuring the differential seat angle between object in the planeOne of method.It is from the north pointer direction line that certain is put, according to arriving the horizontal sextant angle between target direction line clockwise.Column foot sectionThe elevation of the section line in Shi Tawei center and four tower leg sidelines.

Recently as the enhancing of environmental consciousness, require to use height lower limb design in a lot of mountain areas power transmission sequence column foot designs, withReduce to plough and open and the cubic metre of earth and stone, protection vegetation and environment.This requires survey crew testing column foot cross when power transmission sequence surveys eventuallySectional drawing.At present, survey position measurement the end of power transmission sequence and generally use GPS and position, owing to measuring column foot cross section figureNeeding certain angle, use GPS relatively difficult, traditional measuring method power transmission sequence column foot cross section figure measurement requirement is specialDoor a group of people, usually two people, use total powerstation to measure, waste time and energy, inconvenient.

At present, the measuring method of existing column foot cross section figure does not has the function of corner due to GPS, usually uses GPSBehind setting-out complete tower position, using total powerstation at the added station of tower position stake, later apparent direction makes zero, and turns certain angular surveying cross sectionFigure.

Such as Fig. 1, setting up total powerstation on the O of tower position, later apparent direction makes zero, finds front column foot width and side in column foot tableColumn foot width, calculates the angle of AD tower leg and CB tower leg line with line direction.Re-use total powerstation and release AD according to angleDirection coordinates prism to measure cross section figure with CB direction.This method requires that scene calculates, and ratio is relatively time-consuming, the most easily makes mistakes.

RTK(Real-RTKtime kinematic) time Differential positioning be one can obtain the most in real time centimeter-level positioning essenceThe measuring method of degree, its appearance drastically increases field work efficiency.Under tradition RTK work pattern, base station is logicalCrossing data radio and its observation sends to together with survey station coordinate information rover station, rover station receives the data from base station,GPS to be gathered observation data process in real time, provide centimeter-level positioning result simultaneously.

Summary of the invention

It is an object of the invention to overcome the above-mentioned problems in the prior art, it is provided that a kind of simple and convenient tower base sectional drawing is surveyedMetering method and equipment.

For realizing object above, the present invention proposes a kind of tower base sectional drawing measuring method exempting from total powerstation, and the method includes obtaining towerCentrical coordinate and the azimuth of circuit direction of advance；Obtain column foot front and the length of side, before calculating tower leg and circuitEnter the angle in direction；The angle calcu-lation Chu Tawei center of azimuth according to circuit direction of advance and tower leg and circuit direction of advanceAzimuth to tower leg；Orientation according to the centrical coordinate of tower, the centrical distance of tower leg to tower and Ta Wei center to tower legAngle, calculates the coordinate of tower leg.

According to an aspect of the present invention, the method also includes: utilize in GPS handbook the method for two point samples in tower leg to tower positionArbitrfary point on heart line measures.

According to an aspect of the present invention, the length of described column foot front and side obtains from circuit column foot table.

The invention allows for a kind of tower base sectional drawing exempting from total powerstation and measure equipment, this equipment includes: acquisition device, is used for obtainingTake the centrical coordinate of tower and the azimuth of circuit direction of advance；Angle calcu-lation device, for obtaining column foot front and sideLength also calculates the angle of tower leg and circuit direction of advance；Azimuthal angle calculation device, for the azimuth according to circuit direction of advanceAnd the angle calcu-lation Chu Tawei center of tower leg and circuit direction of advance is to the azimuth of tower leg；Coordinate calculates device, for basisThe centrical coordinate of tower, the centrical distance of tower leg to tower and Ta Wei center, to the azimuth of tower leg, calculate the coordinate of tower leg.

According to an aspect of the present invention, this equipment also includes: measurement apparatus, for utilizing the method for two point samples in GPS handbookArbitrfary point on tower leg to the tower position line of centres is measured.

According to an aspect of the present invention, the length of described column foot front and side obtains from circuit column foot table.

After using the method for the present invention, one group of GPS can be reached and can complete location and the work of column foot cross section of power transmission sequenceMake.Save one group of total powerstation and one group of engineers and technicians, work efficiency can be greatly improved, reduce engineering and input.

Accompanying drawing explanation

Fig. 1 is the method schematic diagram measuring tower base sectional drawing in prior art；

Fig. 2 is the tower base sectional drawing measuring method schematic diagram exempting from total powerstation that the present invention proposes.

Detailed description of the invention

The following stated is the preferable embodiment of the present invention, the most therefore limits protection scope of the present invention.

The tower base sectional drawing measuring method exempting from total powerstation that the present invention proposes illustrates according to the schematic diagram shown in Fig. 2.

One, the centrical coordinate of tower and the azimuth of circuit direction of advance are obtained.

The coordinate of Ta Wei center O and the azimuth of circuit direction of advance F are known, are set to (X_O, Y_O), α₀。

Two, from circuit column foot table, obtain column foot front and the length of side, calculate the angle of tower leg and circuit direction of advance.

Here, θ as depicted can be calculated₁、θ₂、θ₃、θ₄, respectively tower leg B, D, C, A and circuit advance sideTo angle.

Three, according to the angle calcu-lation Chu Tawei center of the azimuth of circuit direction of advance and tower leg and circuit direction of advance to tower legAzimuth.

Here, such as the azimuth angle alpha of Ta Wei center O to tower leg B and D_OB, α_ODIt is respectively as follows:

α_OB=α₀-θ₁α_OD=α₀+θ₂

In like manner can calculate Ta Wei center O to the azimuth of tower leg A and C, repeat no more here.

Four, according to the azimuth at the centrical coordinate of tower, the centrical distance of tower leg to tower and Ta Wei center to tower leg, calculateGo out the coordinate of tower leg.

Here, such as the coordinate (X of tower leg B and D_B, Y_B), (X_D, Y_D) be respectively as follows:

X_B=X_O+T_OBCOSα_OB X_D=X_O+T_ODCOSα_OD；

Y_B=Y_O+T_OBSINα_OB Y_D=Y_O+T_ODSINα_OD；

Wherein T_OBAnd T_ODIt is respectively the distance of tower leg B and D to Ta Wei center O.

In like manner can calculate the coordinate of A and C.

Five, utilize the method for two point samples in GPS handbook that the arbitrfary point on tower leg to the tower position line of centres is measured.

According to said method, solve cannot use in real work GPS measure center, power transmission pole position be starting point and have oneDetermine the measurement problem of the column foot section line of angle.

Can develop corresponding software in real work or use proprietary hardware computing device to realize said method, such as input is allThe column foot front of tower and the width of side, in engineering by strain section grid azimuth and the input of tower position coordinate at place, tower position beAB lower limb and the grid azimuth of CD lower limb and 50 meters of outer column foot coordinates of supposition can be calculated the most in real time.The dress formedPut or equipment can include the corresponding module for realizing said method arbitrary steps or subset, phase between these module and subsetsConnecting and can carry out information transmission, specific implementation can design realization to those skilled in the art as required,Here repeat no more.Owing to the GPSPDA handbook of existing main flow all using WINCE operating system, support that user is from chief editorCollect additional utility program module, this program is directed in PDA.After GPS has measured tower site coordinate in the wild, will actual measurementTower position coordinate, with the strain insulator azimuth input program at place, tower position, can calculate the azimuth of AB lower limb and CD lower limb and obtainAssuming that the outer column foot coordinate of two lower limb 50 meters.Can convenient setting-out AB lower limb according to the function of 2 setting-out straight lines in GPS handbookWith two straight lines of CD lower limb, GPS is used to measure the cross section figure of AB Yu CD lower limb.

It should be noted that detailed description of the invention proposed by the invention and application merely for the purpose of illustration, be not intended as the present inventionThe restriction of protection domain, the detailed description of the invention of the present invention can be modified and is actually needed to meet by those skilled in the art.

Claims (2)

1. exempt from the tower base sectional drawing measuring method of total powerstation, it is characterised in that the method includes:

Obtain the coordinate (X of Ta Wei center O₀, Y₀) and the azimuth angle alpha of circuit direction of advance F₀；

From circuit column foot table, obtain column foot front and the length of side, calculate tower leg B, D, C, A respectively with circuit advance sideTo the angle theta of F₁、θ₂、θ₃、θ₄；

Azimuth angle alpha according to circuit direction of advance₀And tower leg B, D, C, A respectively with the angle theta of circuit direction of advance F₁、θ₂、θ₃、θ₄Calculate Ta Wei center to the azimuth angle alpha of tower leg_OB, α_OD, α_OC, α_OA；Wherein:

Azimuth angle alpha for Ta Wei center O to tower leg B and D_OB, α_ODIt is respectively as follows:

α_OB=α₀-θ₁；

α_OD=α₀+θ₂；

Azimuth angle alpha for Ta Wei center O to tower leg A and C_OA, α_OCIt is respectively as follows:

α_OA=α₀+θ₄-180°；

α_OC=α₀-θ₃+180°；

According to tower centrical coordinate (X₀, Y₀), the azimuth at the centrical distance of tower leg to tower and Ta Wei center to tower leg, meterCalculate the coordinate of tower leg, wherein, for the coordinate (X of tower leg B and D_B, Y_B), (X_D, Y_D) be respectively as follows:

X_B=X_O+T_OBCOSα_OB；

Y_B=Y_O+T_OBSINα_OB；

X_D=X_O+T_ODCOSα_OD；

Y_D=Y_O+T_ODSINα_OD；

Wherein T_OBAnd T_ODIt is respectively the distance of tower leg B and D to Ta Wei center O；

Wherein, for the coordinate (X of tower leg A and C_A, Y_A), (X_C, Y_C) be respectively as follows:

X_A=X_O+T_OACOSα_OA；

Y_A=Y_O+T_OASINα_OA；

X_C=X_O+T_OCCOSα_OC；

Y_C=Y_O+T_OCSINα_OC；

Wherein T_OAAnd T_OCIt is respectively the distance of tower leg A and C to Ta Wei center O；

Utilize the method for two point samples in GPS handbook that the arbitrfary point on tower leg to the tower position line of centres is measured.

2. the tower base sectional drawing exempting from total powerstation measures equipment, it is characterised in that this equipment includes:

Acquisition device, for obtaining the coordinate (X of Ta Wei center O₀, Y₀) and the azimuth angle alpha of circuit direction of advance F₀；

Angle calcu-lation device, for obtaining column foot front and the length of side and calculating tower leg B, D, C, A from circuit column foot tableRespectively with the angle theta of circuit direction of advance₁、θ₂、θ₃、θ₄；

Azimuthal angle calculation device, for the azimuth angle alpha according to circuit direction of advance₀And tower leg B, D, C, A respectively with circuitThe angle theta of direction of advance F₁、θ₂、θ₃、θ₄Calculate Ta Wei center to the azimuth angle alpha of tower leg_OB, α_OD, α_OC, α_OA；Wherein:

Azimuth angle alpha for Ta Wei center O to tower leg B and D_OB, α_ODIt is respectively as follows:

α_OB=α₀-θ₁；

α_OD=α₀+θ₂；

Azimuth angle alpha for Ta Wei center O to tower leg A and C_OA, α_OCIt is respectively as follows:

α_OA=α₀+θ₄-180°；

α_OC=α₀-θ₃+180°；

Coordinate calculates device, for according to tower centrical coordinate (X₀, Y₀), the centrical distance of tower leg to tower and Ta Wei centerTo the azimuth of tower leg, calculate the coordinate of tower leg, wherein, for the coordinate (X of tower leg B and D_B, Y_B), (X_D, Y_D)It is respectively as follows:

X_B=X_O+T_OBCOSα_OB；

Y_B=Y_O+T_OBSINα_OB；

X_D=X_O+T_ODCOSα_OD；

Y_D=Y_O+T_ODSINα_OD；

Wherein T_OBAnd T_ODIt is respectively the distance of tower leg B and D to Ta Wei center O；

Wherein, for the coordinate (X of tower leg A and C_A, Y_A), (X_C, Y_C) be respectively as follows:

X_A=X_O+T_OACOSα_OA；

Y_A=Y_O+T_OASINα_OA；

X_C=X_O+T_OCCOSα_OC；

Y_C=Y_O+T_OCSINα_OC；

Wherein T_OAAnd T_OCIt is respectively the distance of tower leg A and C to Ta Wei center O；

Measurement apparatus, for utilizing the method for two point samples in GPS handbook to survey the arbitrfary point on tower leg to the tower position line of centresAmount.