CN104897061A - Total station and three-dimensional laser scanning combined large-scale maritime work equipment measuring method - Google Patents
Total station and three-dimensional laser scanning combined large-scale maritime work equipment measuring method Download PDFInfo
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- CN104897061A CN104897061A CN201510343663.8A CN201510343663A CN104897061A CN 104897061 A CN104897061 A CN 104897061A CN 201510343663 A CN201510343663 A CN 201510343663A CN 104897061 A CN104897061 A CN 104897061A
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Abstract
The invention specifically relates a total station and three-dimensional laser scanning combined large-scale maritime work equipment measuring method, and solves the problem that a conventional measuring method of existing large-scale maritime work equipment cannot measure concealed positions thereof. The method includes the following steps: a. control measurement points are arranged around large-scale maritime work equipment and are intervisible; b. space coordinates of the control measurement points are measured; c. targets are arranged around a three-dimensional laser scanner, and ensuring the number of targets of the same name between adjacent measuring stations is larger than 3; d. the three-dimensional laser scanner calculates space coordinates of point cloud data; e. the total station measures space coordinates of the targets of the same name and of large-scale maritime work equipment welding points; f. the point cloud data and the space coordinates of the targets of the same name measured by the total station are imported into point cloud processing software, thereby improving matching precision of overall point cloud; and g. the point cloud processing software is used to select by clicking to obtain the welding points of concealed positions of the large-scale maritime work equipment. The total station and three-dimensional laser scanning combined large-scale maritime work equipment measuring method obtains three-dimensional coordinates of each welding point of the large-scale maritime work equipment.
Description
Technical field
The present invention relates to large-scale extra large construction equipment acceptance survey method, be specially large-scale extra large frock that a kind of total powerstation combines with 3 D laser scanning for measuring method.
Background technology
Large ocean commercial unit due to volume larger, carrying and installation difficulty very large, the manufacture of ocean weight equipment, in order to save construction cost, is entrusted to Asian countries, is installed after having manufactured by marine transportation to project the country one belongs to by much large-scale Hai Gong enterprise.Marine industry can be subject to the impact of several factors after being equipped in experience transport and its size of being completed be changed, as the disturbance deformation etc. of temperature, manufacturer's standard, transportation.In order to whether checkout equipment reaches designing requirement in a pre-installation, need to measure accurately extra large frock is standby.
Adopt 3 D laser scanning, can carry out scanning to large-scale extra large frock is standby, but its measuring accuracy is due to the splicing of different survey station comprehensively, fast, the impact etc. of some cloud noise, measuring accuracy is generally centimetre-sized, can not ensure high-precision measurement level; Although adopt traditional total station survey technology to have higher precision (grade), but its data gathered are discrete type, cannot describe continuously the overall dimensions of equipment, and large-scale extra large frock is standby, due to the complicacy of its structure, traditional measuring method often cannot touch higher concealed location.
Summary of the invention
The present invention adopts traditional measurement method to there is the problem cannot measured its concealed location to solve existing large-scale extra large construction equipment, provides large-scale extra large frock that a kind of total powerstation combines with 3 D laser scanning for measuring method.
The present invention adopts following technical scheme to realize: the large-scale extra large frock that a kind of total powerstation is combined with 3 D laser scanning is for measuring method, take following steps: a, lay around large-scale extra large frock is standby the control survey point can measuring its all sites, and any two adjacent control survey point intervisibilities; B, the elevation coordinate of employing high-precision level to control survey point are measured, and are adopted the horizontal coordinate of total powerstation to control survey point to measure, and obtain the volume coordinate of control survey point; C, freely establish survey station to set up three-dimensional laser scanner, and its target is evenly distributed on around survey station, ensures that the target quantity of the same name between any two neighboring stations is greater than 3; D, three-dimensional laser scanner send signal, measurement target and large-scale extra large frock are for the distance between outside surface each point and three-dimensional laser scanner, and by this oblique distance angular amount relation in space, calculate target and the large-scale extra large frock volume coordinate for outside surface each point; E, total powerstation utilize the volume coordinate of control survey point to measure for the volume coordinate of pad the volume coordinate of target of the same name and large-scale extra large frock; F, the target volume coordinate of the same name that target and large-scale extra large frock record for volume coordinate and the total powerstation of outside surface each point is imported leica cyclone points cloud processing software, the cloud data of each survey station is carried out the point cloud matching based on target by three-dimensional laser scanner, and by revising the volume coordinate of target of the same name, improve the matching precision of overall some cloud; G, based on the cloud data after having mated, click with leica cyclone points cloud processing software and record the pad of large-scale extra large frock for concealed location.
Cloud data refers to target and the large-scale extra large frock volume coordinate for outside surface each point, the known technology that total powerstation utilizes the volume coordinate of control survey point to be this area to the volume coordinate of target of the same name and large-scale extra large frock for the method that the volume coordinate of pad is measured.
The present invention is by non-contact measurement after 3 D laser scanning, the large-scale extra large frock of highdensity collection is on a large scale for physical dimension information, precise engineering survey is carried out in conjunction with traditional application total powerstation, the pad that 3 D laser scanning obtains is corrected, overcomes existing large-scale extra large construction equipment and adopt traditional measurement method to there is the problem cannot measured its concealed location.
The measuring method that the elevation coordinate of control survey point adopts be two levelling staffs are vertically stood in known elevation respectively control survey point and turning point control survey point on, whole spirit-leveling instrument of putting is between 2 o'clock, sight control survey point rod reading, rotate telescope and sight turning point control survey point rod reading, the elevation of turning point control survey point can be calculated by the discrepancy in elevation of 2; The measuring method that the horizontal coordinate of control survey point adopts first calculates the angular error of closure of above-mentioned 2 and adjust, projected coordinate position angle subsequently, then coordinates computed increment and closing error in coordinate increment adjust, finally calculate its horizontal coordinate, further increase the measuring accuracy of control survey space of points coordinate.
Measuring method of the present invention achieves the requirement that discrete point and continuous coverage point merge mutually, and the measuring accuracy significantly improving common three-dimensional laser scanner is to grade, overcome the problem that total powerstation field range is limited simultaneously, obtain the three-dimensional coordinate of large-scale extra large frock for each pad, there is the simple and advantage that cost is low of easy to operate, technological process.
Embodiment
The large-scale extra large frock that total powerstation is combined with 3 D laser scanning, for a measuring method, takes following steps: a, lay around large-scale extra large frock is standby the control survey point can measuring its all sites, and any two adjacent control survey point intervisibilities; B, the elevation coordinate of employing high-precision level to control survey point are measured, and are adopted the horizontal coordinate of total powerstation to control survey point to measure, and obtain the volume coordinate of control survey point; C, freely establish survey station to set up three-dimensional laser scanner, and its target is evenly distributed on around survey station, ensures that the target quantity of the same name between any two neighboring stations is greater than 3; D, three-dimensional laser scanner send signal, measurement target and large-scale extra large frock are for the distance between outside surface each point and three-dimensional laser scanner, and by this oblique distance angular amount relation in space, calculate target and the large-scale extra large frock volume coordinate for outside surface each point; E, total powerstation utilize the volume coordinate of control survey point to measure for the volume coordinate of pad the volume coordinate of target of the same name and large-scale extra large frock; F, the target volume coordinate of the same name that target and large-scale extra large frock record for volume coordinate and the total powerstation of outside surface each point is imported leica cyclone points cloud processing software, the cloud data of each survey station is carried out the point cloud matching based on target by three-dimensional laser scanner, and by revising the volume coordinate of target of the same name, improve the matching precision of overall some cloud; G, based on the cloud data after having mated, click with leica cyclone points cloud processing software and record the pad of large-scale extra large frock for concealed location.
The measuring method that the elevation coordinate of control survey point adopts be two levelling staffs are vertically stood in known elevation respectively control survey point and turning point control survey point on, whole spirit-leveling instrument of putting is between 2 o'clock, sight control survey point rod reading, rotate telescope and sight turning point control survey point rod reading, the elevation of turning point control survey point can be calculated by the discrepancy in elevation of 2; The measuring method that the horizontal coordinate of control survey point adopts first calculates the angular error of closure of above-mentioned 2 and adjust, projected coordinate position angle subsequently, then coordinates computed increment and closing error in coordinate increment adjust, and finally calculates its horizontal coordinate.
In specific implementation process, large-scale extra large work is equipped for a spherical propane tank (diameter is about 18m), and the model of total powerstation is LeicaTS30, and the model of high-precision level is Leica DNA03, and the model of three-dimensional laser scanner is Leica HDS6100.
Claims (2)
1. the total powerstation large-scale extra large frock of combining with 3 D laser scanning is for a measuring method, it is characterized in that: take following steps: a, lay around large-scale extra large frock is standby the control survey point can measuring its all sites, and any two adjacent control survey point intervisibilities; B, the elevation coordinate of employing high-precision level to control survey point are measured, and are adopted the horizontal coordinate of total powerstation to control survey point to measure, and obtain the volume coordinate of control survey point; C, freely establish survey station to set up three-dimensional laser scanner, and its target is evenly distributed on around survey station, ensures that the target quantity of the same name between any two neighboring stations is greater than 3; D, three-dimensional laser scanner send signal, measurement target and large-scale extra large frock are for the distance between outside surface each point and three-dimensional laser scanner, and by this oblique distance angular amount relation in space, calculate target and the large-scale extra large frock volume coordinate for outside surface each point; E, total powerstation utilize the volume coordinate of control survey point to measure for the volume coordinate of pad target of the same name and large-scale extra large frock; F, the target volume coordinate of the same name that target and large-scale extra large frock record for volume coordinate and the total powerstation of outside surface each point is imported leica cyclone points cloud processing software, the cloud data of each survey station is carried out the point cloud matching based on target by three-dimensional laser scanner, and by revising the volume coordinate of target of the same name, improve the matching precision of overall some cloud; G, based on the cloud data after having mated, click with leica cyclone points cloud processing software and record the pad of large-scale extra large frock for concealed location.
2. a kind of total powerstation according to claim 1 large-scale extra large frock of combining with 3 D laser scanning is for measuring method, it is characterized in that: the measuring method that the elevation coordinate of control survey point adopts be two levelling staffs are vertically stood in known elevation respectively control survey point and turning point control survey point on, whole spirit-leveling instrument of putting is between 2 o'clock, sight control survey point rod reading, rotate telescope and sight turning point control survey point rod reading, the elevation of turning point control survey point can be calculated by the discrepancy in elevation of 2; The measuring method that the horizontal coordinate of control survey point adopts first calculates the angular error of closure of above-mentioned 2 and adjust, projected coordinate position angle subsequently, then coordinates computed increment and closing error in coordinate increment adjust, and finally calculates its horizontal coordinate.
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Cited By (13)
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| CN105241378A (en) * | 2015-09-21 | 2016-01-13 | 国家电网公司 | Transformer station 3D real scene redrawing method based on technology of laser tracking |
| CN106556871A (en) * | 2015-09-29 | 2017-04-05 | 中国石油化工股份有限公司 | Cable center support system and method in well |
| CN106813589A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | With External floating roof tank real-time deformation monitoring method |
| CN106813587A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of External floating roof tank DEFORMATION MONITORING SYSTEM |
| CN106813586A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of DEFORMATION MONITORING SYSTEM of External floating roof tank group |
| CN106813590A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | External floating roof tank deformation detection method |
| CN106813588A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of External floating roof tank group deformation monitoring method |
| CN107631700A (en) * | 2017-09-07 | 2018-01-26 | 西安电子科技大学 | The three-dimensional vision information method that spatial digitizer is combined with total powerstation |
| CN110657763A (en) * | 2019-11-15 | 2020-01-07 | 上海宝冶建筑工程有限公司 | Method for detecting and controlling flatness of concrete surface of double-curved-surface track |
| CN110940271A (en) * | 2019-11-14 | 2020-03-31 | 陕西国一四维航测遥感有限公司 | Method for detecting, monitoring and intelligently carrying and installing large-scale industrial manufacturing of ships and the like based on space three-dimensional measurement and control network |
| CN112504174A (en) * | 2020-11-09 | 2021-03-16 | 玉溪矿业有限公司 | Three-dimensional laser scanning system and working method thereof |
| CN113203400A (en) * | 2021-05-12 | 2021-08-03 | 青岛环海海洋工程勘察研究院 | Survey equipment installation measurement method and survey equipment installation measurement system without surveying ship dock |
| CN113984026A (en) * | 2021-10-28 | 2022-01-28 | 江苏徐工工程机械研究院有限公司 | Total station scanning all-in-one instrument based on three-dimensional laser mapping technology and measuring method |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105241378B (en) * | 2015-09-21 | 2017-12-12 | 国家电网公司 | Transformer station's 3D outdoor scenes based on laser tracking technology redraw method |
| CN105241378A (en) * | 2015-09-21 | 2016-01-13 | 国家电网公司 | Transformer station 3D real scene redrawing method based on technology of laser tracking |
| CN106556871B (en) * | 2015-09-29 | 2018-06-15 | 中国石油化工股份有限公司 | Cable center support system and method in well |
| CN106556871A (en) * | 2015-09-29 | 2017-04-05 | 中国石油化工股份有限公司 | Cable center support system and method in well |
| CN106813589A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | With External floating roof tank real-time deformation monitoring method |
| CN106813587A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of External floating roof tank DEFORMATION MONITORING SYSTEM |
| CN106813586A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of DEFORMATION MONITORING SYSTEM of External floating roof tank group |
| CN106813590A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | External floating roof tank deformation detection method |
| CN106813588A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of External floating roof tank group deformation monitoring method |
| CN107631700A (en) * | 2017-09-07 | 2018-01-26 | 西安电子科技大学 | The three-dimensional vision information method that spatial digitizer is combined with total powerstation |
| CN107631700B (en) * | 2017-09-07 | 2019-06-21 | 西安电子科技大学 | The three-dimensional vision information method that spatial digitizer is combined with total station |
| CN110940271A (en) * | 2019-11-14 | 2020-03-31 | 陕西国一四维航测遥感有限公司 | Method for detecting, monitoring and intelligently carrying and installing large-scale industrial manufacturing of ships and the like based on space three-dimensional measurement and control network |
| CN110657763A (en) * | 2019-11-15 | 2020-01-07 | 上海宝冶建筑工程有限公司 | Method for detecting and controlling flatness of concrete surface of double-curved-surface track |
| CN110657763B (en) * | 2019-11-15 | 2021-07-09 | 上海宝冶建筑工程有限公司 | Method for detecting and controlling flatness of concrete surface of double-curved-surface track |
| CN112504174A (en) * | 2020-11-09 | 2021-03-16 | 玉溪矿业有限公司 | Three-dimensional laser scanning system and working method thereof |
| CN113203400A (en) * | 2021-05-12 | 2021-08-03 | 青岛环海海洋工程勘察研究院 | Survey equipment installation measurement method and survey equipment installation measurement system without surveying ship dock |
| CN113984026A (en) * | 2021-10-28 | 2022-01-28 | 江苏徐工工程机械研究院有限公司 | Total station scanning all-in-one instrument based on three-dimensional laser mapping technology and measuring method |
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Application publication date: 20150909 |