CN107860335A - A kind of three-dimensional laser scanner applied to building trade actual measurement actual quantities - Google Patents

A kind of three-dimensional laser scanner applied to building trade actual measurement actual quantities Download PDF

Info

Publication number
CN107860335A
CN107860335A CN201711107582.3A CN201711107582A CN107860335A CN 107860335 A CN107860335 A CN 107860335A CN 201711107582 A CN201711107582 A CN 201711107582A CN 107860335 A CN107860335 A CN 107860335A
Authority
CN
China
Prior art keywords
vertical shaft
transverse axis
flange
laser scanner
dimensional laser
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.)
Granted
Application number
CN201711107582.3A
Other languages
Chinese (zh)
Other versions
CN107860335B (en
Inventor
冯消冰
潘百蛙
桂巧
曹茹
黄远征
苏凡滨
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.)
Beijing North International Engineering Project Management Co Ltd
Beijing Bo Qing Technology Co Ltd
Beijing Bo Tsing Technology Co Ltd
Original Assignee
Beijing North International Engineering Project Management Co Ltd
Beijing Bo Qing Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing North International Engineering Project Management Co Ltd, Beijing Bo Qing Technology Co Ltd filed Critical Beijing North International Engineering Project Management Co Ltd
Priority to CN201711107582.3A priority Critical patent/CN107860335B/en
Publication of CN107860335A publication Critical patent/CN107860335A/en
Application granted granted Critical
Publication of CN107860335B publication Critical patent/CN107860335B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention discloses a kind of three-dimensional laser scanner applied to building trade actual measurement actual quantities, it is characterised in that:Three-dimensional laser scanner includes vertical shaft drive mechanism and transverse axis luffing mechanism, vertical shaft drive mechanism includes the first stepper motor, vertical shaft, the first electric machine support, base station, vertical shaft bearing, base station flange, flange pillar and first shaft coupling, and transverse axis luffing mechanism includes the second electric machine support, the second stepper motor, second shaft coupling, transverse axis bearing, ranging head mounting bracket, transverse axis and vertical shaft flange.The three-dimensional laser scanner of the present invention can ensure the perpendicularity of vertical shaft and horizontal plane, realize and carry out transverse axis elevating movement and vertical shaft rotary motion simultaneously, realize automatic measurement, and can ensure measurement precision.

Description

A kind of three-dimensional laser scanner applied to building trade actual measurement actual quantities
Technical field
The present invention relates to a kind of three-dimensional laser scanner, and in particular to a kind of building trade that can be applied to surveys actual quantities Three-dimensional laser scanner.
Background technology
Building trade actual measurement actual quantities typically requires 2 ~ 3 people's above work compounds at present, and survey crew is generally architectural discipline Come from and taken appointment with certificate after surveying actual quantities training;Measurement process it is complicated, it is necessary to carry laser range finder, Laser Line Marker, Ten several instruments such as levelling rod;Time of measuring is grown, and the house of general a set of 100 square meter needs measurement 40 minutes, plus rear issue According to analysis and arrangement, the actual measurement actual quantities in whole house needs the time more than a hour altogether;Although human resources consumption is serious But result is unsatisfactory, is measured and illustrated with degree of plainness for wall surface, metope of the width more than 3m leans on 3 chis, and the metope less than 3m leans on 2 Chi, a value is taken every time, judge the flatness of whole metope by this way, it can be seen that precision is very low.
Three-dimensional laser scanning technique is with the space coordinates of three-dimensional laser scanner acquisition target surface each point, Ran Houyou The measurement data of acquisition constructs a kind of all automatic measurement technology of the threedimensional model of object, available for deformation monitoring, engineering The field such as measurement, topographic survey, ancient building and historical relic's protection, section and cubing, have and do not need cooperative target, high-precision The advantages that degree, high density, high efficiency, digital feature.Three-dimensional laser scanning technique can truly describe the entirety of sweep object Structure and morphological character.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of three-dimensional laser scanner applied to building trade actual measurement actual quantities, so that gram The shortcomings that taking prior art.
To achieve the above object, the invention provides a kind of 3 D laser scanning applied to building trade actual measurement actual quantities Instrument, it is characterised in that:Three-dimensional laser scanner includes vertical shaft drive mechanism and transverse axis luffing mechanism, and vertical shaft drive mechanism includes the One stepper motor, vertical shaft, the first electric machine support, base station, vertical shaft bearing, base station flange, flange pillar and first shaft coupling, it is horizontal Axle luffing mechanism includes the second electric machine support, the second stepper motor, second shaft coupling, transverse axis bearing, ranging head mounting bracket, horizontal stroke Axle and vertical shaft flange.
Preferably, in above-mentioned technical proposal, the first electric machine support is placed on base station, first shaft coupling and the first stepper motor It is connected, vertical shaft is connected by vertical shaft bearing with first shaft coupling, and base station flange is connected by flange pillar with base station.
Preferably, in above-mentioned technical proposal, the second electric machine support has multiple, and the second stepper motor has multiple.
Preferably, in above-mentioned technical proposal, transverse axis is connected by second shaft coupling with the second stepper motor, the installation of ranging head Support is fixedly connected with transverse axis.
Preferably, in above-mentioned technical proposal, fixed vertical shaft is that duplex bearing fixes vertical shaft, and duplex bearing fixes vertical shaft and is arranged on method On blue pillar and base station flange.
Preferably, in above-mentioned technical proposal, vertical shaft rotating mechanism provides power, the first stepper motor by the first stepper motor Vertical shaft is driven to rotate by first shaft coupling.
Preferably, in above-mentioned technical proposal, transverse axis luffing mechanism is connected by vertical shaft flange with vertical shaft rotating mechanism, transverse axis Luffing mechanism rotates jointly with vertical shaft.
Compared with prior art, the present invention has the advantages that:1st, installed on flange pillar and base station flange double Bearing fixes vertical shaft, ensures the perpendicularity of vertical shaft and horizontal plane;2nd, vertical shaft rotating mechanism provides power by stepper motor, passes through connection Axle device drives vertical shaft rotation, and transverse axis luffing mechanism is connected with vertical shaft rotating mechanism by vertical shaft flange, rotated jointly with vertical shaft, real Show while carried out transverse axis elevating movement and vertical shaft rotary motion;3rd, transverse axis rotating mechanism by three groups of stepper motors, shaft coupling, The elevating movement of ranging head mounting bracket is realized in the combination of transverse axis, duplex bearing, and duplex bearing ensures the accuracy of rotation.
Brief description of the drawings
Fig. 1 is the schematic diagram according to the vertical shaft rotating mechanism of the present invention.
Fig. 2 is the schematic diagram according to the transverse axis luffing mechanism of the present invention.
Fig. 3 is the actual measurement actual quantities three-dimensional laser scanner structural representation according to the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members Part or other parts.
Fig. 1 is according to the schematic diagram of the vertical shaft rotating mechanism of the present invention, as illustrated, vertical shaft rotational structure includes the first step Stepper motor 104, vertical shaft 108, the first electric machine support 102, base station 103, vertical shaft bearing 107, base station flange 106, flange pillar 105 And first shaft coupling 101.First electric machine support 102 is placed on base station 103, and the first electric machine support 102 and base station 103 are detachable Connection, detachable connection can be any modes well known in the art, the stepper motor 104 of first shaft coupling 101 and first Be connected so that the first stepper motor 104 can drive first shaft coupling 101 so that first shaft coupling 101 can drive it is vertical Axle 108 is rotated, and vertical shaft 108 is connected by vertical shaft bearing 107 with first shaft coupling 101, and vertical shaft is that duplex bearing fixes vertical shaft, twin shaft Fixed vertical shaft is held on flange pillar 105 and base station flange 106, vertical shaft rotating mechanism is provided by the first stepper motor 104 Power, the first stepper motor 104 drive vertical shaft 108 to rotate by first shaft coupling 101.Further, as illustrated, in vertical shaft There are multiple grooves, multiple grooves are used for the ranging head mounting bracket of clamping transverse axis luffing mechanism on 108.
Fig. 2 is the schematic diagram according to the transverse axis luffing mechanism of the present invention.Transverse axis luffing mechanism includes the second electric machine support 203 (Preferably, the second electric machine support has multiple, such as multiple second electric machine supports 203 and 210), the second stepper motor 202(It is preferred that Ground, the second stepper motor have multiple, such as multiple second stepper motors 202,205 and 209), second shaft coupling 204, transverse axis axle Hold 207, ranging head mounting bracket 206, transverse axis 208 and vertical shaft flange 201.Transverse axis 208 passes through second shaft coupling 204 and second Stepper motor 205 is connected, and ranging head mounting bracket 206 is fixedly connected with transverse axis 208.Transverse axis luffing mechanism passes through vertical shaft flange 201 are connected with vertical shaft rotating mechanism, and transverse axis luffing mechanism rotates jointly with vertical shaft.
Fig. 3 is the actual measurement actual quantities three-dimensional laser scanner structural representation according to the present invention.As illustrated, transverse axis pitching machine Structure can be arranged on vertical shaft rotational structure, and the two is connected by vertical shaft flange 201.The ranging head installation of transverse axis luffing mechanism Support is connected in the neck on vertical shaft 108.
The laser range finder in the present invention is finally introduced, laser range finder carries out range measurement using phase method, that is, passed through Measure the phase of echo-signal and compared with the phase of transmission signal or ranging is realized in computing.In order to eliminate the mechanical anglec of rotation Hand on one point in the axle center of influence of the degree to measurement result, laser emission point extended line and Fig. 1 vertical shafts 108.
Laser rays will move according to 2 dimension directions, i.e., horizontally and vertically.For example, first give vertically The anglec of rotation α in direction, laser carries out the continuous measurement at the β angles of horizontal direction around given α angles, after being measured, enters Next α angles give, and complete rectification by that analogy and are measured by side.
Three-dimensional laser scanner passes through to spacing 200mm on tested surface(25 ㎡ totally 676 points)Point measured one by one. Measured value is that each laser of deck sweeps place and the laser rays long value of standard water plane, by measured point laser rays long value with being tested Point calculates away from the trigonometric function relation between horizontal plane air line distance, obtains on tested surface each point away from the horizontal plane value.
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (7)

  1. A kind of 1. three-dimensional laser scanner applied to building trade actual measurement actual quantities, it is characterised in that:The 3 D laser scanning Instrument includes vertical shaft drive mechanism and transverse axis luffing mechanism, and the vertical shaft drive mechanism includes the first stepper motor, vertical shaft, the first electricity Machine support, base station, vertical shaft bearing, base station flange, flange pillar and first shaft coupling, the transverse axis luffing mechanism include second Electric machine support, the second stepper motor, second shaft coupling, transverse axis bearing, ranging head mounting bracket, transverse axis and vertical shaft flange.
  2. 2. three-dimensional laser scanner as claimed in claim 1, it is characterised in that:First electric machine support is placed in the base station On, the first shaft coupling is connected with first stepper motor, and the vertical shaft passes through the vertical shaft bearing and described first Axle device is connected, and the base station flange is connected by the flange pillar with the base station.
  3. 3. three-dimensional laser scanner as claimed in claim 1, it is characterised in that:Second electric machine support have it is multiple, it is described Second stepper motor has multiple.
  4. 4. three-dimensional laser scanner as claimed in claim 1, it is characterised in that:The transverse axis by the second shaft coupling with Second stepper motor is connected, and the ranging head mounting bracket is fixedly connected with the transverse axis.
  5. 5. three-dimensional laser scanner as claimed in claim 1, it is characterised in that:The vertical shaft is that duplex bearing fixes vertical shaft, institute State duplex bearing and fix vertical shaft on the flange pillar and the base station flange.
  6. 6. three-dimensional laser scanner as claimed in claim 2, it is characterised in that:The vertical shaft rotating mechanism is by the first step Stepper motor provides power, and first stepper motor drives the vertical shaft to rotate by the first shaft coupling.
  7. 7. three-dimensional laser scanner as claimed in claim 1, it is characterised in that:The transverse axis luffing mechanism passes through the vertical shaft Flange is connected with the vertical shaft rotating mechanism, and the transverse axis luffing mechanism rotates jointly with the vertical shaft.
CN201711107582.3A 2017-11-10 2017-11-10 Three-dimensional laser scanner applied to actual measurement in building industry Active CN107860335B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711107582.3A CN107860335B (en) 2017-11-10 2017-11-10 Three-dimensional laser scanner applied to actual measurement in building industry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711107582.3A CN107860335B (en) 2017-11-10 2017-11-10 Three-dimensional laser scanner applied to actual measurement in building industry

Publications (2)

Publication Number Publication Date
CN107860335A true CN107860335A (en) 2018-03-30
CN107860335B CN107860335B (en) 2020-07-14

Family

ID=61701492

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711107582.3A Active CN107860335B (en) 2017-11-10 2017-11-10 Three-dimensional laser scanner applied to actual measurement in building industry

Country Status (1)

Country Link
CN (1) CN107860335B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110207602A (en) * 2019-07-01 2019-09-06 长沙秋点兵信息科技有限公司 A kind of engineering supervision inspection of quality actual measurement actual quantities device and method
CN110530343A (en) * 2019-09-02 2019-12-03 上海嘉实(集团)有限公司 Survey actual quantities system, method, apparatus and storage medium

Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3236209A1 (en) * 1982-09-30 1984-04-05 Fried. Krupp Gmbh, 4300 Essen ACOUSTIC UNDERWATER ANTENNA WITH SYNTHETIC APERTURE
CN1150254A (en) * 1995-11-09 1997-05-21 株式会社东芝 Multi-beam scanning method and apparatus thereof
CN1217484A (en) * 1997-11-17 1999-05-26 三星电子株式会社 Printing machine and calculating method of scanning synchronous data
KR20010087493A (en) * 2000-03-07 2001-09-21 황상기 A survey equipment and method for rock excavation surface
CN1519611A (en) * 2002-12-30 2004-08-11 三星电子株式会社 Multi-beam laser scanning unit
CN1527155A (en) * 2003-03-07 2004-09-08 佳能株式会社 Laser ejecting device and laser scanning device
CN1989437A (en) * 2004-07-21 2007-06-27 佳能株式会社 Image forming apparatus having a plurality of laser scanner units
CN102607414A (en) * 2012-03-21 2012-07-25 浙江大学 Three-dimensional laser scanning device with adjustable visual field and area resolution
CN102645180A (en) * 2011-02-21 2012-08-22 株式会社拓普康 Omnidirectional image measuring instrument
US20120242830A1 (en) * 2011-03-25 2012-09-27 Kabushiki Kaisha Topcon Guide light device, survey apparatus having the guide light device, survey system using the survey apparatus, survey pole used in the survey system, and mobile wireless transceiver used in the survey system
US20130100688A1 (en) * 2011-10-03 2013-04-25 Japan Aerospace Exploration Agency Laser light reflection method and device for aircraft-installed laser apparatus
CN205027316U (en) * 2015-05-08 2016-02-10 深圳市速腾聚创科技有限公司 Quick three -dimensional laser scanning appearance
CN105391910A (en) * 2014-08-27 2016-03-09 莱卡地球系统公开股份有限公司 Multi-camera laser scanner
CN205228452U (en) * 2015-11-24 2016-05-11 东华大学 Cloud platform is measured to three -dimensional vision of scanning formula
CN105783767A (en) * 2015-08-24 2016-07-20 江苏理工学院 Simple type 3D laser scanning device
CN106289098A (en) * 2016-07-22 2017-01-04 武汉海达数云技术有限公司 The method of controlling rotation of three-dimensional laser scanner
CN106500628A (en) * 2016-10-19 2017-03-15 杭州思看科技有限公司 A kind of 3-D scanning method containing multiple different wave length laser instrument and scanner
CN206177253U (en) * 2016-08-31 2017-05-17 深圳市速腾聚创科技有限公司 Three -dimensional laser scanning system
CN106969724A (en) * 2017-05-09 2017-07-21 河南科技大学 A kind of surrounding three-dimensional pattern sensing device of spinning cross line laser structured light
CN107014307A (en) * 2017-04-17 2017-08-04 深圳广田机器人有限公司 The acquisition methods of three-dimensional laser scanner and three-dimensional information
CN206556604U (en) * 2017-01-22 2017-10-13 深圳市速腾聚创科技有限公司 Three-dimensional laser scanner

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3236209A1 (en) * 1982-09-30 1984-04-05 Fried. Krupp Gmbh, 4300 Essen ACOUSTIC UNDERWATER ANTENNA WITH SYNTHETIC APERTURE
CN1150254A (en) * 1995-11-09 1997-05-21 株式会社东芝 Multi-beam scanning method and apparatus thereof
CN1217484A (en) * 1997-11-17 1999-05-26 三星电子株式会社 Printing machine and calculating method of scanning synchronous data
KR20010087493A (en) * 2000-03-07 2001-09-21 황상기 A survey equipment and method for rock excavation surface
CN1519611A (en) * 2002-12-30 2004-08-11 三星电子株式会社 Multi-beam laser scanning unit
CN1527155A (en) * 2003-03-07 2004-09-08 佳能株式会社 Laser ejecting device and laser scanning device
CN1989437A (en) * 2004-07-21 2007-06-27 佳能株式会社 Image forming apparatus having a plurality of laser scanner units
CN102645180A (en) * 2011-02-21 2012-08-22 株式会社拓普康 Omnidirectional image measuring instrument
US20120242830A1 (en) * 2011-03-25 2012-09-27 Kabushiki Kaisha Topcon Guide light device, survey apparatus having the guide light device, survey system using the survey apparatus, survey pole used in the survey system, and mobile wireless transceiver used in the survey system
US20130100688A1 (en) * 2011-10-03 2013-04-25 Japan Aerospace Exploration Agency Laser light reflection method and device for aircraft-installed laser apparatus
CN102607414A (en) * 2012-03-21 2012-07-25 浙江大学 Three-dimensional laser scanning device with adjustable visual field and area resolution
CN105391910A (en) * 2014-08-27 2016-03-09 莱卡地球系统公开股份有限公司 Multi-camera laser scanner
CN205027316U (en) * 2015-05-08 2016-02-10 深圳市速腾聚创科技有限公司 Quick three -dimensional laser scanning appearance
CN105783767A (en) * 2015-08-24 2016-07-20 江苏理工学院 Simple type 3D laser scanning device
CN205228452U (en) * 2015-11-24 2016-05-11 东华大学 Cloud platform is measured to three -dimensional vision of scanning formula
CN106289098A (en) * 2016-07-22 2017-01-04 武汉海达数云技术有限公司 The method of controlling rotation of three-dimensional laser scanner
CN206177253U (en) * 2016-08-31 2017-05-17 深圳市速腾聚创科技有限公司 Three -dimensional laser scanning system
CN106500628A (en) * 2016-10-19 2017-03-15 杭州思看科技有限公司 A kind of 3-D scanning method containing multiple different wave length laser instrument and scanner
CN206556604U (en) * 2017-01-22 2017-10-13 深圳市速腾聚创科技有限公司 Three-dimensional laser scanner
CN107014307A (en) * 2017-04-17 2017-08-04 深圳广田机器人有限公司 The acquisition methods of three-dimensional laser scanner and three-dimensional information
CN106969724A (en) * 2017-05-09 2017-07-21 河南科技大学 A kind of surrounding three-dimensional pattern sensing device of spinning cross line laser structured light

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
韩宇: "基于三维激光扫描技术的高层建筑整体变形监测的方法研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110207602A (en) * 2019-07-01 2019-09-06 长沙秋点兵信息科技有限公司 A kind of engineering supervision inspection of quality actual measurement actual quantities device and method
CN110207602B (en) * 2019-07-01 2020-09-08 武汉东风工程建设监理有限公司 Engineering construction supervision quality acceptance actual measurement device and method
CN110530343A (en) * 2019-09-02 2019-12-03 上海嘉实(集团)有限公司 Survey actual quantities system, method, apparatus and storage medium
CN110530343B (en) * 2019-09-02 2022-04-05 上海泉勋科技有限公司 Actual measurement system, method, device and storage medium

Also Published As

Publication number Publication date
CN107860335B (en) 2020-07-14

Similar Documents

Publication Publication Date Title
CN101493526B (en) Lunar vehicle high speed three-dimensional laser imaging radar system and imaging method
CN101294917B (en) Method for detecting aqueduct well by underwater robot
CN103438829A (en) Intelligent laser three-dimensional information measurement instrument
CN104181547B (en) A kind of three-dimensional laser imaging system based on array detection unit and formation method
CN101008571A (en) Three-dimensional environment perception method for mobile robot
CN106839968B (en) Rotor space axis of bending test macro and its test method
CN102589487A (en) Portable earth surface roughness measuring instrument
CN106403848A (en) Single-point laser rotation scanning-based deep hole straightness detection device and detection method
CN106950288B (en) It is a kind of based on multiple frequency ultrasonic scanning hole in Exhausted area prospecting device and method
CN103954966A (en) Ultrasonic detection imaging method and device
CN201293837Y (en) Moonmobile high speed three-dimensional laser imaging radar system
CN102608358A (en) System and method for multi-sensor comparative rotation speed test
CN203241029U (en) Intelligent indoor three-dimensional measuring instrument
CN107044857A (en) Asynchronous system map structuring and alignment system and method applied to service robot
CN212158607U (en) Surveying and mapping device for construction
CN107860335A (en) A kind of three-dimensional laser scanner applied to building trade actual measurement actual quantities
CN109059766A (en) A kind of non-contact detection device of deep groove ball bearing inner ring ditch position
CN204040008U (en) A kind of foundation pit deformation monitoring device
CN205561823U (en) Laser range finder
CN212007873U (en) Multi-functional geographic information mapping device
CN108387222A (en) A kind of mapping location positioning system
CN112162264A (en) Sonar measurement support for open caisson and measurement method
CN105806217A (en) Single pull thread type measuring system and method for object space position measurement
CN212903049U (en) Portable three-dimensional laser scanning system
CN105758299B (en) New Two Dimensional Laser Scanning Equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant