CN207379451U - The multidirectional target of 3 D laser scanning - Google Patents
The multidirectional target of 3 D laser scanning Download PDFInfo
- Publication number
- CN207379451U CN207379451U CN201721483136.8U CN201721483136U CN207379451U CN 207379451 U CN207379451 U CN 207379451U CN 201721483136 U CN201721483136 U CN 201721483136U CN 207379451 U CN207379451 U CN 207379451U
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- Prior art keywords
- reflecting plate
- supporting rack
- target
- horizontal shaft
- shaft
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000049 pigment Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 210000000515 tooth Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model is related to laser scanning measurement technologies, it is desirable to provide a kind of multidirectional target of 3 D laser scanning.The target includes reflecting plate, supporting rack, pedestal and motor component.Reflecting plate is fixed in horizontal shaft, and horizontal shaft is flexibly connected with supporting rack so that reflecting plate can be rotated freely around horizontal shaft.Supporting rack is fixedly connected with vertical shaft, and the latter is flexibly connected with base hood, makes reflecting plate that can be rotated freely with vertical shaft.Meanwhile the positive and reverse rotation control circuit comprising wireless remote control receiving device, motor are installed on target.Under the driving of motor, reflecting plate can be rotated freely rotating around 360 ° of horizontal shaft and vertical shaft, and adjustable extent is big.Rotary reflection plate is controlled using remote control, even after target fixation, can also make laser that can just penetrate target when different survey stations scan, the accuracy of Target Center positioning is improved, and then improves three-dimensional laser point cloud coordinate transform precision and registration accuracy.
Description
Technical field
The utility model is on laser scanning measurement technology, more particularly to a kind of novel three-dimensional laser scanning target.
Background technology
Three-dimensional laser scanning technique is a kind of advanced stereoscan technology, and ground target is obtained by cordless
Subtle three-dimensional cloud data, target are in control point and point cloud in being converted as coordinate in 3 D laser scanning
Tie point by point cloud local coordinate transform to geodetic coordinates and can realize that multistage point cloud accurately splices.
Existing target is broadly divided into two kinds of spherical target and plane target.The advantages of spherical target is can will be by any
The Points cloud Fitting that scanning direction obtains goes out Target Center, but cost is higher and inconvenient to carry.Plane target low cost carries
It is convenient, but target installation back reflection plate direction is also uniquely fixed, and can not ensure that scanner can in two different survey station measurements
Face target, therefore Target Center point identification error is relatively large.Meanwhile the device is generally pacified in tunnel palisades higher position
Dress, when changing scan position, conventional equipment need to utilize and manually adjust target placement, and practical operation is more inconvenient.
Utility model content
The technical problems to be solved in the utility model is to overcome deficiency of the prior art, provides a kind of three-dimensional laser
Scan multidirectional target.Target can be just penetrated by adjusting target direction scanning laser when different survey stations scan, and marked
Pinwheel remains that spatial position is constant during adjusting.
To solve technical problem, the solution of the utility model is as follows:
There is provided a kind of 3 D laser scanning multidirectional target, the reflecting plate including being used for reflection laser, the target further includes one
A vertical semi-circular supporting rack;The reflecting plate is rounded, and both sides are loaded on two of supporting rack by horizontal shaft respectively
Between end;Driven gear is fixed in one of end of horizontal shaft, driven gear is intermeshed with driving gear;
Driving gear is fixed in the drive shaft of supporting rack motor, and supporting rack motor is then fixed on the side of supporting rack;
Pedestal is equipped in the lower section of supporting rack, base motor is fixed on pedestal, is fixed in drive shaft actively
Gear;Driving gear intermeshes with being located at the driven gear of vertical shaft bottom, top and the supporting rack bottom of vertical shaft
It is fixedly connected;It is set on pedestal there are one the base hood (base motor and vertical shaft are respectively positioned in base hood) that Open Side Down,
Its top sets through hole, and vertical shaft is fixedly connected after passing through the through hole with supporting rack;Battery is also equipped on pedestal, battery is by leading
Line is connected to base motor and supporting rack motor by a positive and reverse rotation control circuit respectively;
The vertical shaft is mutually perpendicular to horizontal shaft, and axis crosspoint is overlapped with the reflecting plate front center of circle, is made anti-
Plate is penetrated when rotation is to any direction, the reflecting plate front center of circle is always positioned at space same point.
In the utility model, wireless remote control receiving device is equipped in the positive and reverse rotation control circuit.
In the utility model, the connection relation of horizontal shaft and supporting rack be it is following any one:
(1) horizontal shaft be integral structure and reflecting plate be fixed on its middle part or horizontal shaft be split structure and
It is separately fixed at the both sides of reflecting plate;Reflecting plate both sides are stretched out at the both ends of horizontal shaft, and wherein one end is inserted in supporting rack end
In counterbore, the other end is fixedly connected with driven gear after passing through the through hole of supporting rack end;Alternatively,
(2) horizontal shaft has two sections;Wherein one section is fixed on supporting rack end, and cooperation insertion is equipped in reflecting plate side and is used
Counterbore;Another section of opposite side for being then fixed on reflecting plate, is fixedly connected driven after the through hole through supporting rack the other end
Gear;Alternatively,
(3) horizontal shaft be integral structure and reflecting plate be fixed on its middle part or horizontal shaft be split structure and
It is separately fixed at the both sides of reflecting plate;Wherein, the part being connected with reflecting plate is plate, in supporting rack end and reflecting plate side
Between part for bulk, part on the outside of bulk is rod-shaped;One of them is rod-shaped to stretch into the counterbore of supporting rack end, separately
Driven gear is fixedly connected with after one rod-shaped through hole through supporting rack the other end.
It is with damping between the transverse direction shaft and supporting rack, between vertical shaft and base hood in the utility model
Flexible connection.
In the utility model, it is fixedly connected between the reflecting plate and horizontal shaft by rivet or screw.
In the utility model, the pedestal is equipped with multiple round tube holes being used for through fixing glue.
In the utility model, the reflecting plate includes metal substrate and the pigment coat positioned at its front surface;The face
Material coat is divided into 4 pieces of each 90 ° of sector regions and chequered with black and white arrangement by symmetrical centre of the reflecting plate center of circle, each opposite
Two pieces of sector regions have same color.
In the utility model, in two groups of meshing gears, driven gear is 5 with driving gear gearratio:1.
In the utility model, the side of support frame as described above sets shaft cover, support frame as described above motor, driving gear, transverse direction
The end of shaft and driven gear are respectively positioned in shaft cover.
Utility model principles illustrated:
Laser scanner target in the utility model is mainly by drivings such as reflecting plate, supporting rack, pedestal and motor
Component forms.Reflecting plate front surface has black-and-white two color pigment coat, simultaneously can be accurate for providing clear target for scanner
Position Target Center point.Reflecting plate is fixed in horizontal shaft, and horizontal shaft is flexibly connected with supporting rack so that reflecting plate can be around
Horizontal shaft rotates freely.Supporting rack is fixedly connected with vertical shaft, and the latter is flexibly connected with base hood, makes reflecting plate can be with perpendicular
It is rotated freely to shaft.Meanwhile the positive and reverse rotation control circuit comprising wireless remote control receiving device, motor are installed on target
Components are waited, can be regulated and controled by remote control remote operation.
Wherein, pigment coat is alternate for black and white, with the near infrared band laser using three-dimensional laser scanner black
Difference in reflectivity on white dichromatism coat accurately identifies the center of circle.Reflecting plate can freely be revolved around to shaft and vertical 360 ° of shaft
Turn, since vertical shaft and horizontal shaft are mutually perpendicular to, axis crosspoint is overlapped with the reflecting plate front center of circle, and reflecting plate is made to exist
When rotation is to any direction, scanner identification point is always positioned at the reflecting plate front surface center of circle, i.e. scanning recognition point is always positioned at sky
Between same point.Between horizontal shaft and supporting rack, between vertical shaft and base hood for being flexibly connected with damping, can make anti-
Plate posture is penetrated due to the torque and slight external interference that dead weight generates not change.Pedestal is equipped with multiple be used for through fixing glue
Target can be fixed on palisades by round tube hole with rivet before scanning operation through round tube hole.
Compared with prior art, the beneficial effects of the utility model are:
(1) under the driving of motor, reflecting plate can be rotated freely rotating around 360 ° of horizontal shaft and vertical shaft, adjustable
Adjusting range is big.
(2) by the wireless remote control receiving device being arranged in positive and reverse rotation control circuit, control and revolve using remote control
Turn reflecting plate.It even after target fixation, can also make laser that can just penetrate target when different survey stations scan, improve in target
The accuracy of heart positioning, and then improve three-dimensional laser point cloud coordinate transform precision and registration accuracy.
(3) the utility model is simple in structure, easy to carry;It is easy to make, at low cost, be conducive to utilization and extention.
Description of the drawings
Fig. 1 is the front view of multidirectional target.
Fig. 2 is the rearview of multidirectional target in Fig. 1.
Fig. 3 is the side view of multidirectional target in Fig. 1.
Fig. 4 is the top view of multidirectional target in Fig. 1.
Fig. 5 is the use flow diagram of multidirectional target in Fig. 1.
Reference numeral in figure is:1 horizontal shaft;2 supporting racks;3 base hoods;4 pedestals;5 round tube holes;6 vertical shafts;7
Reflecting plate;8 (horizontal shafts) bulk position;9 positive and reverse rotation control circuits;10 base motors;11 driving gears;12 driven tooths
Wheel;13 batteries;14 positive and reverse rotation control circuits;15 supporting rack motor;16 driving gears;17 driven gears, 18 shaft covers.
Specific embodiment
The realization method of the utility model is described in detail below by specific embodiment.
Positive and reverse rotation control circuit and wireless remote control receiving device can be applied in the utility model, these are all highly developed
The prior art, the utility model repeats no more its concrete structure or realization principle.
As shown in Figure 1, the multidirectional target of 3 D laser scanning includes the circular reflector 7 for reflection laser, by temperature difference shape
The metal substrate and the pigment coat composition positioned at front surface to become smaller.Pigment coat is using the reflecting plate center of circle as symmetrical centre point
4 pieces of each 90 ° of sector regions and chequered with black and white arrangement are segmented into, each two pieces of opposite sector regions have same color, utilize
Black-and-white two color accurately determines center location to the difference in reflectivity of laser.
The both sides of reflecting plate 7 respectively by 1 two ends of the activity loaded on vertical semi-circular supporting rack 2 of horizontal shaft it
Between;Driven gear 17 is fixed in one of end of horizontal shaft 1, driven gear 17 is mutually nibbled with driving gear 16
It closes;Driving gear 16 is fixed in the drive shaft of supporting rack motor 15, and supporting rack motor 15 is then fixed on the side of supporting rack 2
Face;Shaft cover 18, supporting rack motor 15, driving gear 16, the 17 equal position of end and driven gear of horizontal shaft 1 are set outside it
In in shaft cover 18.
There are many implementation is optional for connection relation between horizontal shaft 1 and supporting rack 2.The realization method of the present embodiment
It is:Horizontal shaft 1 is split structure, is made of left and right two parts, is separately fixed at the both sides (as shown in Figure 2) of reflecting plate 7;
Wherein, the part being connected with reflecting plate 7 is plate, and the part between 7 side of 2 end of supporting rack and reflecting plate is block position
8, the exterior portion at block position is rod-shaped (or only protruding portion);One of them rod-shaped (or only protruding portion) stretches into support
In the counterbore of 2 end of frame, driven gear 17 is fixedly connected with after another rod-shaped through hole through 2 the other end of supporting rack.Very
The horizontal shaft 1 of integral structure can also be used in obvious the present embodiment, plate position is connected as a single entity for fixation reflex
Plate 7.It is fixedly connected between reflecting plate 7 and horizontal shaft 1 by rivet or screw.Slot can also be set on block position 8 or is lacked
Mouthful, convenient for positioning reflecting plate 7 when mounted, avoid shifting.
It is envisioned that the connection relation between horizontal shaft 1 and supporting rack 2 can also be following modes:Horizontal shaft 1
It is the rod piece of integral structure and reflecting plate 7 is fixed on its middle part or horizontal shaft 1 is the rod piece of split structure and solid respectively
It is scheduled on the both sides of reflecting plate 7;7 both sides of reflecting plate are stretched out at the both ends of horizontal shaft 1, and wherein one end is inserted in the heavy of 2 end of supporting rack
Kong Zhong, the other end are fixedly connected with driven gear 17 after passing through the through hole of 2 end of supporting rack;Alternatively, the horizontal shaft 1 by rod piece shape
It is divided into two sections;Wherein one section is fixed on 2 end of supporting rack, and the counterbore of cooperation insertion is equipped in 7 side of reflecting plate;Another section
The opposite side of reflecting plate 7 is then fixed on, driven gear 17 is fixedly connected with after the through hole through 2 the other end of supporting rack.In short,
Corresponding connection mode can be selected to realize appropriate technical solution as needed.
Pedestal 4 is equipped in the lower section of supporting rack 2, pedestal 4 is equipped with multiple round tube holes 5 being used for through fixing glue.It uses
Target is tightly fastened in measurement body by rivet through round tube hole 5, and target can be avoided to be disturbed and rocked by external condition, and installed
It is simple and quick, it is equally applicable for a wide range of complex site in field.Base motor 10 is fixed on pedestal 4, in drive shaft
It is fixed with driving gear 11;Driving gear 11 intermeshes with being located at the driven gear 12 of vertical 6 bottom of shaft, vertical shaft
6 top is fixedly connected with 2 bottom of supporting rack;It is set on pedestal 4 there are one the base hood 3 that Open Side Down, top sets through hole, erects
To shaft 6 through being fixedly connected with supporting rack 2 after through hole;Vertical shaft 6 is mutually perpendicular to horizontal shaft 1, axis crosspoint
It is overlapped with the center of circle of reflecting plate 7, makes reflecting plate 7 when rotation is to any direction, it is same that the positive center of circle of reflecting plate 7 is always positioned at space
A bit.Ensure during laser scanning, center location identification is accurate constant when reflecting plate 7 rotates, and improves scanning element cloud seat
Mark transduced precision and splicing precision.It is with damping between horizontal shaft 1 and supporting rack 2, between vertical shaft 6 and base hood 3
Flexible connection.
Battery 13 is also equipped on pedestal 4, battery 13 connects positive and reverse rotation control circuit 9 and rotating control by conducting wire respectively
Circuit 14, positive and reverse rotation control circuit 9 and positive and reverse rotation control circuit 14 are connected to base motor 10 and support by conducting wire respectively
Frame motor 15.In positive and reverse rotation control circuit 9,14, wireless remote control receiving device is respectively provided with, it can be by receiving remote controller signal
Motor rotation is controlled, and passes through gear and motor power is transferred in rotation axis, and then uses remote controler
Reflecting plate 7 is controlled to carry out the purpose of all-directional rotation.
It is 18 to select 11 number of teeth of driving gear, and 12 number of teeth of driven gear is 90, gearratio 5:1;16 number of teeth of driving gear
For 18,17 number of teeth of driven gear is 90, gearratio 5:1.Such gearratio can realize the slowing effect of countershaft rotation, just
It is adjusted in control.Meanwhile battery 13 can provide electric energy for settings such as two motor, positive and reverse rotation control circuits simultaneously.
Actual scanning generally requires multistation measurement, lay between adjacent two station no less than three the utility model is related to mark
Target splices for later data and uses.It is adjusted before scanning by rotating, makes the positive face scanner of reflecting plate 7, surveyed using total powerstation
Measure 7 front surface center position coordinates of reflecting plate;The reflecting plate centre coordinate measured using total powerstation realizes that three-dimensional laser is swept
The matching and conversion of described point cloud.
Use of this target during the 3 D laser scanning of mountain tunnel is as shown in Figure 5
1st, before scanning, pedestal 4 is tightly fixed on palisades through round tube hole 5 using rivet.
2nd, in the flow 1 of such as Fig. 5, after scanner is set up, adjust reflecting plate 7 make its around horizontal shaft 1 with it is vertical
The rotation of shaft 6 is until 7 front surface face scanner of reflecting plate, then scans and recognizes.
3rd, in the flow 2 of such as Fig. 5, scanner is moved into next survey station, is scanned at this time, laser is general by the directive target back side
Logical target will be unable to measure.Reflecting plate 7, which is then adjusted, in the utility model makes it be rotated around horizontal shaft 1 and vertical shaft 6
Until target front face scanner again, can avoid rearranging target.
4th, simultaneously as horizontal shaft 1 intersects at the positive center of circle of reflecting plate 7 with vertical 6 extended line of shaft so that in flow
1 remains unchanged with the absolute spatial position in 7 center of circle of reflecting plate in flow 2, ensures incidence angle in the reasonable scope, improves in target
The accuracy of identification of the heart, and then ensure the accuracy of Registration of Measuring Data and splicing.
Claims (9)
1. a kind of multidirectional target of 3 D laser scanning, the reflecting plate including being used for reflection laser, which is characterized in that the target also wraps
Include a vertical semi-circular supporting rack;The reflecting plate is rounded, and both sides are loaded on supporting rack by horizontal shaft respectively
Between two ends;Driven gear is fixed in one of end of horizontal shaft, driven gear is mutual with driving gear
Engagement;Driving gear is fixed in the drive shaft of supporting rack motor, and supporting rack motor is then fixed on the side of supporting rack;
Pedestal is equipped in the lower section of supporting rack, base motor is fixed on pedestal, and driving gear is fixed in drive shaft;
Driving gear intermeshes with being located at the driven gear of vertical shaft bottom, and the top of vertical shaft is fixed with supporting rack bottom to be connected
It connects;It is set on pedestal there are one the base hood that Open Side Down, top sets through hole, and vertical shaft is fixed after passing through through hole with supporting rack
Connection;Battery is also equipped on pedestal, battery is connected to base motor by a positive and reverse rotation control circuit respectively by conducting wire
With supporting rack motor;
The vertical shaft is mutually perpendicular to horizontal shaft, and axis crosspoint is overlapped with the reflecting plate front center of circle, makes reflecting plate
When rotation is to any direction, the reflecting plate front center of circle is always positioned at space same point.
2. the multidirectional target of 3 D laser scanning according to claim 1, which is characterized in that in the positive and reverse rotation control circuit
It is equipped with wireless remote control receiving device.
3. the multidirectional target of 3 D laser scanning according to claim 1, which is characterized in that the company of horizontal shaft and supporting rack
The relation of connecing be it is following any one:
(1) horizontal shaft is integral structure and reflecting plate is fixed in the middle part of it or horizontal shaft is split structure and difference
It is fixed on the both sides of reflecting plate;Reflecting plate both sides are stretched out at the both ends of horizontal shaft, and wherein one end is inserted in the counterbore of supporting rack end
In, the other end is fixedly connected with driven gear after passing through the through hole of supporting rack end;Alternatively,
(2) horizontal shaft has two sections;Wherein one section is fixed on supporting rack end, and the heavy of cooperation insertion is equipped in reflecting plate side
Hole;Another section of opposite side for being then fixed on reflecting plate, driven gear is fixedly connected with after the through hole through supporting rack the other end;
Alternatively,
(3) horizontal shaft is integral structure and reflecting plate is fixed in the middle part of it or horizontal shaft is split structure and difference
It is fixed on the both sides of reflecting plate;Wherein, the part being connected with reflecting plate is plate, between supporting rack end and reflecting plate side
Part for bulk, part on the outside of bulk is rod-shaped;One of them is rod-shaped to stretch into the counterbore of supporting rack end, another
Driven gear is fixedly connected with after the rod-shaped through hole through supporting rack the other end.
4. the multidirectional target of 3 D laser scanning according to claim 1, which is characterized in that the transverse direction shaft and supporting rack
Between, between vertical shaft and base hood be being flexibly connected with damping.
5. the multidirectional target of 3 D laser scanning according to claim 1, which is characterized in that the reflecting plate and horizontal shaft
Between be fixedly connected by rivet or screw.
6. the multidirectional target of 3 D laser scanning according to claim 1, which is characterized in that the pedestal is equipped with multiple use
In the round tube hole through fixing glue.
7. the multidirectional target of 3 D laser scanning according to claim 1, which is characterized in that the reflecting plate includes Metal Substrate
Plate and the pigment coat positioned at its front surface;The pigment coat is divided into 4 pieces respectively by symmetrical centre of the reflecting plate center of circle
90 ° of sector region and chequered with black and white arrangement, each two pieces of opposite sector regions are with same color.
8. the multidirectional target of 3 D laser scanning according to claim 1, which is characterized in that in two groups of meshing gears,
Driven gear is 5 with driving gear gearratio:1.
9. the multidirectional target of 3 D laser scanning according to claim 1, which is characterized in that the side of support frame as described above, which is set, to be turned
Axis cover, support frame as described above motor, driving gear, the end of horizontal shaft and driven gear are respectively positioned in shaft cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721483136.8U CN207379451U (en) | 2017-11-09 | 2017-11-09 | The multidirectional target of 3 D laser scanning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721483136.8U CN207379451U (en) | 2017-11-09 | 2017-11-09 | The multidirectional target of 3 D laser scanning |
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CN207379451U true CN207379451U (en) | 2018-05-18 |
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CN201721483136.8U Expired - Fee Related CN207379451U (en) | 2017-11-09 | 2017-11-09 | The multidirectional target of 3 D laser scanning |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107741199A (en) * | 2017-11-09 | 2018-02-27 | 浙江温州沈海高速公路有限公司 | A kind of multidirectional target of 3 D laser scanning |
CN108759772A (en) * | 2018-05-23 | 2018-11-06 | 华北水利水电大学 | Angle recognition dial and three-dimensional laser scanner target with the dial |
CN109323656A (en) * | 2018-11-24 | 2019-02-12 | 上海勘察设计研究院(集团)有限公司 | A kind of novel target and its extraction algorithm for point cloud registering |
-
2017
- 2017-11-09 CN CN201721483136.8U patent/CN207379451U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107741199A (en) * | 2017-11-09 | 2018-02-27 | 浙江温州沈海高速公路有限公司 | A kind of multidirectional target of 3 D laser scanning |
CN108759772A (en) * | 2018-05-23 | 2018-11-06 | 华北水利水电大学 | Angle recognition dial and three-dimensional laser scanner target with the dial |
CN108759772B (en) * | 2018-05-23 | 2020-08-04 | 华北水利水电大学 | Dial for angle identification and three-dimensional laser scanner target with same |
CN109323656A (en) * | 2018-11-24 | 2019-02-12 | 上海勘察设计研究院(集团)有限公司 | A kind of novel target and its extraction algorithm for point cloud registering |
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 |
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CF01 | Termination of patent right due to non-payment of annual fee |