CN106323169A - Sphere center coordinate positioning method - Google Patents

Sphere center coordinate positioning method Download PDF

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Publication number
CN106323169A
CN106323169A CN201610829508.1A CN201610829508A CN106323169A CN 106323169 A CN106323169 A CN 106323169A CN 201610829508 A CN201610829508 A CN 201610829508A CN 106323169 A CN106323169 A CN 106323169A
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CN
China
Prior art keywords
sphere
measured
symmetry
spheroid
coordinate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610829508.1A
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Chinese (zh)
Inventor
黄向阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Surveying And Mapping Institute Co Ltd
Original Assignee
Nantong Surveying And Mapping Institute Co Ltd
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Publication date
Application filed by Nantong Surveying And Mapping Institute Co Ltd filed Critical Nantong Surveying And Mapping Institute Co Ltd
Priority to CN201610829508.1A priority Critical patent/CN106323169A/en
Publication of CN106323169A publication Critical patent/CN106323169A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/02Means for marking measuring points
    • G01C15/06Surveyors' staffs; Movable markers
    • G01C15/08Plumbing or registering staffs or markers over ground marks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques

Abstract

The invention discloses a sphere center coordinate positioning method comprising the following steps: placing a circular chassis of a positioning device on the surface of a sphere to be measured, and ensuring that the central axis of a symmetry center rod passes through the center of the sphere to be measured; acquiring the 3D coordinate (x, y, z) of a cross intersection through an electronic total station; obtaining the vertical coordinate z' (z'=z-(h+r)) of the center through operation based on a formula, wherein z is the vertical coordinate of the cross intersection measured by the electronic total station, h is the distance from the cross intersection to the bottom of the symmetry center rod, and r is the radius of the sphere to be measured; and obtaining the coordinate value (x, y, z') of the center of the sphere to be measured based on the data. Through the method, the center of a sphere can be positioned quickly. Moreover, the method has the advantages of simple measurement and high accuracy.

Description

A kind of spheroid centre of sphere coordinate location method
Technical field
The present invention relates to a kind of localization method, particularly relate to a kind of spheroid centre of sphere coordinate location method.
Background technology
At present, large-size net rack steel construction has that span is big, lightweight, intensity is high, handsome in appearance, without advantages such as supports, It is widely used in the roof system of the buildings such as stadiums, shadow theatre, exhibition center, Waiting Lounge, greenhouse.Large span grid steel construction is many Use solder sphere as node, and be welded with each rod member, there is the features such as simple structure, power transmission be clear and definite, easy to connect.
Solder sphere rack, in assembling, welding process, needs that solder sphere is carried out space and quickly positions, and existing routine is done Method is that manually calabash carries out Primary Location to solder sphere, relies on the naked eyes centre of sphere side-play amount to solder sphere with instruments such as rulers Estimating, this way is only suitable for the engineering item relatively low with required precision because of the sphere center position that cannot accurately obtain solder sphere Mesh;Or measuring prism is directly placed at solder sphere top, and visual estimation sphere center position adjusts accordingly, it is adaptable to solder sphere half The engineering project that footpath is less, required precision is relatively low;Or put up some reflecting prism sheets on solder sphere surface, pass through measuring prism The three-dimensional coordinate of sheet and then calculate sphere centre coordinate, the method calculates complexity, and big by site operation interference, installation progress is slow, And the engineering project that inapplicable solder sphere radius is less.
The device of existing sphere center locating method and use is relatively simple, and installation accuracy is relatively low, and speed of application is relatively slow, solder sphere With other rod members to be butted into power relatively low, or calculate complexity, it is difficult to ensure that construction quality meets design requirement.Therefore, existing Some solder sphere localization methods have certain defect: (1) relies on artificial naked eyes and simple tool to carry out the centre of sphere of solder sphere Estimating, precision is relatively low;(2) location efficiency is the highest, and positioning time is long, needs repeated multiple times to be adjusted solder sphere..
Summary of the invention
Goal of the invention: for solving the defect of prior art, a kind of spheroid centre of sphere coordinate location method of existing offer, can be quick Realizing the location to the spheroid centre of sphere, and measure simple, accuracy is high.
Technical scheme: disclosed a kind of spheroid centre of sphere coordinate location method, comprises the steps:
Detection instrument selects: positioner and total powerstation, and wherein positioning device structure is that annular chassis is provided with cylinder, And in cylinder, it being provided with bar in symmetry, in symmetry, masthead portion is provided with cross observation monument, the wherein axis of cylinder, symmetrical The axis of middle bar and the decussation point of cross observation monument is overlapped and through the round dot on annular chassis, simultaneously Annular chassis is provided with two horizontal bubbles;
Detection instrument is put: be placed in by total powerstation in steady ground control point (existing coordinate) so that it is be directed at ball to be measured Body direction, is placed into the surface of spheroid to be measured by the annular chassis of positioner, by two bubble regulation annular chassis Levelness, regulation symmetry in bar make it prop up the surface of spheroid to be measured, make simultaneously cross observation monument be directed at total powerstation side To, now in symmetry, the axis of bar passes the centre of sphere of spheroid to be measured;
Measure: by total powerstation obtain cross observation monument decussation point three-dimensional coordinate (x, y, z), wherein x, Y is plane coordinates, and z is longitudinal coordinate, owing to decussation point is in symmetry on the axis of bar, and the axis of bar in symmetry Through the centre of sphere, so obtain the spheroid centre of sphere to be measured plane coordinates (x, y);
Vertical coordinate computing: obtain centre of sphere vertical coordinate z ', specially z '=z-(h+r) by formula operation, wherein: z is logical Crossing the vertical coordinate of the decussation point of total station survey, h is decussation point to the distance bottom bar in symmetry, and r is ball to be measured The radius of body;
Sphere centre coordinate: the sphere centre coordinate value being obtained spheroid to be measured by above-mentioned data is (x, y, z ').
In symmetry masthead portion arrange GNSSRTK measuring instrument substitute total powerstation the three-dimensional coordinate of decussation point is carried out Measurement, the observation workload removing total station survey existence from greatly or calculates the problems such as possible generation rough error.
The present invention has only to measure the three-dimensional coordinate of observation station when measuring, bottom bar in observation station to symmetry Distance value be fixing, radius of sphericity is also fixing, obtain the centre of sphere vertical coordinate time have only to the vertical seat by observation station Mark deducts radius of sphericity and observation station to bar distance from bottom in symmetry, and observation is simple, and computing is convenient, and error rate is low, survey Amount degree of accuracy is high.
Beneficial effect: disclosed a kind of spheroid centre of sphere coordinate location method, by total powerstation, positioner essence Really quickly locate the three-dimensional position of the solder sphere centre of sphere;Described apparatus structure is simple, and low cost easily operates in work progress, And described method step is simple, positioning time is short, and degree of accuracy is high, accelerates engineering construction progress.
Accompanying drawing explanation
Fig. 1 is the structural representation of positioner in the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing of the present invention, the technical scheme of embodiments several to the present invention carries out clear, complete retouching State.
As it is shown in figure 1, disclosed a kind of spheroid centre of sphere coordinate location device, including the chassis 1 of annular, circle Cylinder 2, bar 3 in symmetry, braking bolt 4, two horizontal bubbles 5, wherein, what the chassis 1 of described annular consolidated is enclosed within spheroid 10 Surface, described cylinder 2 surrounding is fixed on chassis 1 by support bar, and has a fixed gap with upper surface, chassis, it is simple to chassis Being enclosed within spheroid, bottom of cylinder will not prop up spherome surface, and the central axis of described cylinder 2 is through the center of circle on described chassis 1, institute State braking bolt 4 be arranged on cylinder 2 sidewall and extend to inside through cylinder 2, in described symmetry, bar 3 is inserted in described cylinder 2, Can move up and down or rotate in cylinder, and prop up realization location, the center of bar 3 in described symmetry by braking bolt 4 Axis again passes through the center of circle on described chassis 1, and described horizontal bubble 5 is arranged on the upper surface on chassis 1, and two horizontal bubble axles Line is mutually perpendicular to and is mutually perpendicular to the connecting line in the center of circle, chassis, when the chassis 1 of annular is placed on spheroid 10 to be measured, passes through Two horizontal bubbles 5 determine the levelness on chassis.
In described symmetry, bar 3 top has semicircle column type observation column 6, and the section of described observation column is provided with cross observation Mark 7, and the decussation point of cross observation monument is positioned in symmetry on the central axis of bar.
Disclosed a kind of spheroid centre of sphere coordinate location method, comprises the steps:
Detection instrument selects: positioner and total powerstation, and wherein positioning device structure is that annular chassis is provided with cylinder, And in cylinder, it being provided with bar in symmetry, in symmetry, masthead portion is provided with cross observation monument, the wherein axis of cylinder, symmetrical The axis of middle bar and the decussation point of cross observation monument is overlapped and through the round dot on annular chassis, simultaneously Annular chassis is provided with two horizontal bubbles;
Detection instrument is put: be placed in by total powerstation in steady ground control point (existing coordinate) so that it is be directed at ball to be measured Body direction, is placed into the surface of spheroid to be measured by the annular chassis of positioner, by two bubble regulation annular chassis Levelness, regulation symmetry in bar make it prop up the surface of spheroid to be measured, make simultaneously cross observation monument be directed at total powerstation side To, now in symmetry, the axis of bar passes the centre of sphere of spheroid to be measured;
Measure: by total powerstation obtain cross observation monument decussation point three-dimensional coordinate (x, y, z), wherein x, Y is plane coordinates, and z is longitudinal coordinate, owing to decussation point is in symmetry on the axis of bar, and the axis of bar in symmetry Through the centre of sphere, so obtain the spheroid centre of sphere to be measured plane coordinates (x, y);
Vertical coordinate computing: obtain centre of sphere vertical coordinate z ', specially z '=z-(h+r) by formula operation, wherein: z is logical Crossing the vertical coordinate of the decussation point of total station survey, h is decussation point to the distance bottom bar in symmetry, and r is ball to be measured The radius of body;
Sphere centre coordinate: the sphere centre coordinate value being obtained spheroid to be measured by above-mentioned data is (x, y, z ').
Alternative method as the present invention arranges GNSSRTK measuring instrument replacement total powerstation to ten for masthead portion in symmetry The three-dimensional coordinate in word cross point measures, and the observation workload removing total station survey existence from greatly or calculates possible generation rough error Problem.
The technology contents of the present invention and technical characteristic have revealed that as above, but those of ordinary skill in the art still may base Make all replacements without departing substantially from spirit of the present invention and modification in the announcement of the present invention, therefore, scope should not limit In the content disclosed in embodiment, and the various replacement without departing substantially from the present invention and modification should be included, and be present patent application right Require to be contained.

Claims (2)

1. a spheroid centre of sphere coordinate location method, it is characterised in that comprise the steps:
Detection instrument selects: positioner and total powerstation, and wherein positioning device structure is that annular chassis is provided with cylinder, and Being provided with bar in symmetry in cylinder, in symmetry, masthead portion is provided with cross observation monument, the wherein axis of cylinder, bar in symmetry Axis and the decussation point of cross observation monument is overlapped and through the round dot on annular chassis, is justifying simultaneously Two horizontal bubbles it are provided with on annular chassis;
Detection instrument is put: be placed in by total powerstation on the control point on steady ground so that it is be directed at spheroid direction to be measured, will location The annular chassis of device is placed into the surface of spheroid to be measured, by the levelness on two bubble regulation annular chassis, regulation In symmetry, bar makes it prop up the surface of spheroid to be measured, makes cross observation monument be directed at total powerstation direction, now in symmetry simultaneously The axis of bar is through the centre of sphere of spheroid to be measured;
Measure: by the three-dimensional coordinate of the decussation point of total powerstation acquisition cross observation monument, (x, y, z), wherein x, y are Plane coordinates, z is longitudinal coordinate, and owing to decussation point is in symmetry on the axis of bar, and in symmetry, the axis of bar is worn Cross the centre of sphere, so obtain the spheroid centre of sphere to be measured plane coordinates (x, y);
Vertical coordinate computing: obtain centre of sphere vertical coordinate z ', specially z '=z-(h+r) by formula operation, wherein: z is by entirely The vertical coordinate of decussation point that instrument of standing is measured, h is decussation point to the distance bottom bar in symmetry, and r is spheroid to be measured Radius;
Sphere centre coordinate: the sphere centre coordinate value being obtained spheroid to be measured by above-mentioned data is (x, y, z ').
A kind of spheroid centre of sphere coordinate location method the most according to claim 1: it is characterized in that: masthead portion sets in symmetry Put GNSSRTK measuring instrument replacement total powerstation the three-dimensional coordinate of decussation point is measured.
CN201610829508.1A 2016-09-18 2016-09-18 Sphere center coordinate positioning method Pending CN106323169A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108278999A (en) * 2018-02-09 2018-07-13 浙江省建工集团有限责任公司 A kind of frame ball 3 D locating device and localization method
CN109211060A (en) * 2017-07-05 2019-01-15 上海汇众汽车制造有限公司 The detection method and its cubing of control arm bulb position
CN109282747A (en) * 2018-10-11 2019-01-29 中海福陆重工有限公司 A kind of underwater flange screw hole positioning measuring device
CN116399314A (en) * 2023-06-02 2023-07-07 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) Calibrating device for photogrammetry and measuring method thereof

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Publication number Priority date Publication date Assignee Title
CN201917338U (en) * 2010-10-26 2011-08-03 北京首钢建设集团有限公司 Multi-functional central target
CN102147242A (en) * 2011-01-11 2011-08-10 中国建筑第八工程局有限公司 Welding ball center positioning method and device
CN203628161U (en) * 2013-10-16 2014-06-04 中建钢构有限公司 Prism base used for welding ball measuring
CN204043663U (en) * 2014-07-22 2014-12-24 国家电网公司 A kind of Portable water plane measurer
CN104358416A (en) * 2014-11-18 2015-02-18 浙江精工钢结构集团有限公司 Locating device and locating method of center point of spherical body

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201917338U (en) * 2010-10-26 2011-08-03 北京首钢建设集团有限公司 Multi-functional central target
CN102147242A (en) * 2011-01-11 2011-08-10 中国建筑第八工程局有限公司 Welding ball center positioning method and device
CN203628161U (en) * 2013-10-16 2014-06-04 中建钢构有限公司 Prism base used for welding ball measuring
CN204043663U (en) * 2014-07-22 2014-12-24 国家电网公司 A kind of Portable water plane measurer
CN104358416A (en) * 2014-11-18 2015-02-18 浙江精工钢结构集团有限公司 Locating device and locating method of center point of spherical body

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109211060A (en) * 2017-07-05 2019-01-15 上海汇众汽车制造有限公司 The detection method and its cubing of control arm bulb position
CN108278999A (en) * 2018-02-09 2018-07-13 浙江省建工集团有限责任公司 A kind of frame ball 3 D locating device and localization method
CN109282747A (en) * 2018-10-11 2019-01-29 中海福陆重工有限公司 A kind of underwater flange screw hole positioning measuring device
CN116399314A (en) * 2023-06-02 2023-07-07 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) Calibrating device for photogrammetry and measuring method thereof
CN116399314B (en) * 2023-06-02 2023-07-28 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) Calibrating device for photogrammetry and measuring method thereof

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