CN207395656U - The photogrammetric auxiliary device of 3-D scanning - Google Patents
The photogrammetric auxiliary device of 3-D scanning Download PDFInfo
- Publication number
- CN207395656U CN207395656U CN201720321988.0U CN201720321988U CN207395656U CN 207395656 U CN207395656 U CN 207395656U CN 201720321988 U CN201720321988 U CN 201720321988U CN 207395656 U CN207395656 U CN 207395656U
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- China
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- photogrammetric
- cable traction
- scanning
- rope
- auxiliary device
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Abstract
A kind of photogrammetric auxiliary device of 3-D scanning, including holder and multiple cable traction devices, the cable traction device includes supporting rack, the rope drum and cable traction motor that pulley and support frame as described above lower end at the top of support frame as described above are set, the cable traction motor is connected with the rope drum, rope is wound on the rope drum, the cable traction motor is used to control rope described in the rope drum folding and unfolding, the holder includes pedestal, electric rotating machine on the pedestal, the universal plate being connected with the electric rotating machine, and the spring support being connected with the universal plate, the rope is detachably connected around the pulley and the pedestal, the spring support is used for fixed camera.The device can meet the shooting demand of various objects, photogrammetric particularly convenient for being carried out to the larger object of volume.
Description
Technical field
The utility model is related to 3-D scanning technical fields, are filled more particularly to a kind of photogrammetric auxiliary of 3-D scanning
It puts.
Background technology
With the development of Computer-aided Design Technology, reverse-engineering is widely applied in machinery industry.Using inverse
The first step of reverse is carried out to engineering technology, is that 3-D scanning is carried out to existing object, usually by camera to measured object
Body is shot, and draws cloud data.
Early stage reverse-engineering develops, reverse mainly is carried out to small-sized machine, operation difficulty is smaller.But nowadays,
Since the demand that big machinery reverse-engineers is continuously increased, existing instrument and ancillary equipment have been difficult to meet the behaviour of reverse-engineering
It needs.Such as in fields such as aerospace, automobiles, for test product performance, it is necessary to be established according to material object satisfactory
Product model, these material objects are mostly spliced by complicated free form surface, therefore need to be converted into product by reverse-engineering
Three-dimensional CAD model and its mold.The volume in kind converted is bigger, and the difficulty of reverse-engineering is also bigger.
In the prior art, it is mostly photogrammetric to object progress using handheld camera, when carrying out photogrammetric to large-sized object,
Shooting height generally is adjusted by lifting platform, each position of testee is shot, but due to lifting platform adjustment height
It is limited, so can not also meet the shooting needs of higher building body.Moreover, handheld camera carries out photogrammetric danger to large-sized object
Coefficient is high, and there are security risks.
Utility model content
In view of above-mentioned condition, it is necessary to a kind of convenience three-dimensional photogrammetric to large-sized object progress 3-D scanning be provided and swept
Retouch photogrammetric auxiliary device.
A kind of photogrammetric auxiliary device of 3-D scanning, including holder and multiple cable traction devices, the rope is led
Leading-in device includes the rope drum and rope that supporting rack, the pulley at the top of support frame as described above and support frame as described above lower end are set
Traction electric machine, the cable traction motor are connected with the rope drum, and rope, the cable traction are wound on the rope drum
Motor for controlling rope described in the rope drum folding and unfolding, the holder include pedestal, the electric rotating machine on the pedestal,
The universal plate being connected with the electric rotating machine and the spring support being connected with the universal plate, the rope bypass the cunning
Wheel is detachably connected with the pedestal, and the spring support is used for fixed camera.
The above-mentioned photogrammetric auxiliary device of 3-D scanning, wherein, the cable traction device further includes the first controller, institute
It states the first controller to be electrically connected with the cable traction motor, first controller is also electrically connected with main control device, institute
Main control device is stated for sending first control signal to first controller, the traction electric machine to be controlled to work.
The above-mentioned photogrammetric auxiliary device of 3-D scanning, wherein, the holder is further included electrically to be connected with the electric rotating machine
The second controller connect, the second controller are also electrically connected with the main control device, and the main control device is additionally operable to send
Second control signal is to the second controller, the electric rotating machine to be controlled to work.
The above-mentioned photogrammetric auxiliary device of 3-D scanning, wherein, ultrasonic displacement sensor is also set on the holder, it is described
Wireless communication module is provided on ultrasonic sensor, the wireless communication module is used to examine the ultrasonic displacement sensor
The range information of survey is sent to the main control device in a manner of wireless telecommunications and is shown.
The above-mentioned photogrammetric auxiliary device of 3-D scanning, wherein, the cable traction device sets 4 and is evenly distributed on institute
It states around testee.
The above-mentioned photogrammetric auxiliary device of 3-D scanning, wherein, the cable traction motor is servomotor or stepping electricity
Machine.
The above-mentioned photogrammetric auxiliary device of 3-D scanning, wherein, the pedestal is equipped with padlock, and the padlock is used to fix
The rope.
The above-mentioned photogrammetric auxiliary device of 3-D scanning, wherein, warning device, the alarm are additionally provided on the holder
Device is electrically connected with the ultrasonic displacement sensor, and the warning device receives the ultrasonic displacement sensor detection
Range information, and compared with default distance, when the distance of ultrasonic displacement sensor detection is less than described preset
Apart from when the warning device sound.
The above-mentioned photogrammetric auxiliary device of 3-D scanning, wherein, support frame as described above is included under fixed link and the fixed link
3 supporting rods at end, the end of each supporting rod are hinged with the fixed link.
The photogrammetric auxiliary device of 3-D scanning in the utility model changes the sky of camera using the principle of cable traction
Between position, to complete to the omnidirectional shooting of testee.The measurement range of the device can according to the size of testee with
Meaning setting can meet the shooting demand of various objects, photogrammetric particularly convenient for being carried out to the larger object of volume.
Description of the drawings
Fig. 1 is the structure diagram of the photogrammetric auxiliary device of 3-D scanning in the utility model first embodiment；
Fig. 2 is the structure diagram of the cable traction device in the utility model first embodiment；
Fig. 3 is the front view of the holder in the utility model first embodiment；
Fig. 4 is the structure diagram of the holder in the utility model first embodiment；
Fig. 5 is the structure diagram of the photogrammetric auxiliary device of 3-D scanning in the utility model first embodiment；
Fig. 6 is the structure diagram of the photogrammetric auxiliary device of 3-D scanning in the utility model second embodiment.
Main element symbol description
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
It states.The utility model embodiment is given in attached drawing.But the utility model can be realized in many different forms, and
It is not limited to embodiment described herein.On the contrary, the purpose for providing the embodiment is the disclosure made to the utility model
More thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more relevant Listed Items.
It please refers to Fig.1 to Fig. 5, is the three-dimensional scanning measurement auxiliary device in the utility model first embodiment, it is main to use
The position of camera is adjusted when three-dimensional scanning measurement object, including holder 100 and multiple cable traction devices 200.It is described more
A cable traction device 200 is arranged on around testee 300, and cable traction device 200 described in the present embodiment sets 4
It is evenly distributed on around the testee 300.
Each cable traction device 200 include supporting rack 210, arranged on 210 top of support frame as described above pulley 220 with
And the rope drum 230 and cable traction motor 240 of 210 lower end of support frame as described above setting.The cable traction motor 240 with it is described
Rope drum 230 connects, and rope 250 is wound on the rope drum 230, the rope 250 is around the pulley 220 and the cloud
Platform 100 connects.Rope 250 in 4 cable traction devices 200 is connected to the surrounding of the holder 100, passes through 4 ropes
The tension force effect of rope 250 by the holder 100 be fixed on testee 300 top or its around.The holder 100 is for solid
Determine camera, i.e., by 4 200 fixed cameras of cable traction device, testee is shot.
The pulley 220 is the fulcrum of drag rope 250, for the rope 250 to be guided to be moved, fixed position
It can be selected according to the big freedom in minor affairs of testee 300, but necessarily be greater than testee 300.The cable traction motor 240 is to watch
Motor or stepper motor are taken, rope drum 230 is located on the motor shaft of cable traction motor 240, can make by switching electric current direction
Motor Double-directional rotary, rope 250 just can obtain folding and unfolding control, be led so that rope 250 generates different directions to holder 100
Gravitation changes the spatial position of camera.
Further, support frame as described above 210 includes 3 supporting rods 212 of 211 lower end of fixed link 211 and the fixed link,
The end of each supporting rod 212 and the fixed link 211 are hinged.The supporting rod 212 is used to support the 3-D scanning and takes the photograph
Shadow measurement servicing unit, three supporting rods 212 are hinged with fixed link 211 by hinge, during without using the device, by supporting rod
212 are accommodated in the side of fixed link 211, reduce parking space.
The holder 100 includes pedestal 110, the electric rotating machine 120 on the pedestal 110 and the electric rotating machine
The universal plate 130 of 120 connections and the spring support being connected with the universal plate 130.120 motors of the rotation are for control ten thousand
It is rotated to disk.The spring support is used for fixed camera, including bottom plate 141, the first baffle 142 of 141 both sides of the bottom plate, institute
State the second baffle 143 of 142 end of first baffle.The first baffle 142 and 143 vertical connection of second baffle, it is described
First baffle 142 is connected with the bottom plate 141 by the first spring, and the second baffle 143 passes through with the first baffle 142
Second spring connects.By between the first spring and second spring regulating base board 141, first baffle 142 and second baffle 143 away from
From with the various sizes of camera of fixation.
Further, each cable traction device 200 further includes the first controller 260, the cable traction motor
240 are electrically connected with first controller 260.First controller 260 is electrically connected with main control device 400, the master
Equipment 400 is controlled for sending the first signal of control to first controller 260, to control 240 work of cable traction motor
Make.The main control device 400 is, for example, the terminals such as the remote controler that user holds or mobile phone, tablet, computer that user uses, is used for
First control signal is sent to the first controller 260, first controller 260 controls rope according to the first control signal
Traction electric machine 240 works.Each cable traction device 200 includes first controller 260, each first controller 260
Connected with corresponding cable traction motor 240, by main control device 400 can with the startup of each traction electric machine 240 of remote control,
It closes and rotates.
Further, the holder 100 further includes second controller 150, and the second controller 150 is arranged on the bottom
On seat 110.The electric rotating machine 120 is electrically connected with the main control device 400, and the second controller 150 is according to the master
The startup or closing for the second control signal control electric rotating machine 120 that equipment 400 is sent are controlled, so as to drive 130 inverse time of universal plate
Pin rotates.Making camera, often turning over 90 degree counterclockwise just shoots a photo, and 4 must be shot to meet photogrammetric middle same position
Open the requirement of different angle photo.
Camera described in the present embodiment is connected with the main control device wireless telecommunications, and the fast of camera is controlled by main control device
Door operation completes shooting.It should be understood that in the utility model other embodiment, the camera is equipped with Wifi communication modules,
Wireless camera can be directly carried out, shooting picture is real-time transmitted to the mobile clients such as mobile phone or computer, and directly in mobile visitor
Shutter operation is carried out on the end of family.
Ultrasonic displacement sensor 160 is also set on the holder 100, is provided on the ultrasonic displacement sensor 160
Wireless communication module 161,161 pieces of the wireless telecommunications mould are used to lead to the range information that ultrasonic displacement sensor 160 detects
The mode for crossing wireless telecommunications is sent to the main control device 400 and is shown.The wireless communication module 161 be, for example, wifi or
Bluetooth etc. realizes that ultrasonic displacement sensor 160 is connected with 400 wireless telecommunications of main control device.The ultrasonic displacement passes
Sensor 160 is arranged on the front end of spring support, and the direction of the launch of ultrasonic wave is consistent with the shooting direction of camera, for detecting camera
With the distance of testee, and range information is sent to main control device, is checked convenient for user.
Four angles of the pedestal 110 are equipped with padlock 170, four cable traction devices 200 of testee surrounding
Rope 250 is fixed respectively by four padlocks 170.Each cable traction motor 240 corresponds to a rope 250, tensioning
Holder 100 is made to be subject to the tractive force of different directions and move during rope 250.During photogrammetric, rope is adjusted respectively and is led
Draw the rotation direction of motor 240, the position of camera can just be controlled.
For large-sized object three-dimensional scanning measurement when, it is necessary to be scanned shooting in multiple positions of testee 300.
Usually shot respectively at least one position on the upper end of testee 300, front end, rear end, left side and right side.In quilt
When the upper end of survey object 300 is shot, camera is fixed on holder 100, and the cable traction around testee is filled
The rope 250 put in 200 is fixed on holder 100, then sends first to each first controller 260 by main control device 400
Control signal rope traction electric machine 240 to be controlled to start, and then drives rope drum 230 to haul, passes through 100 surrounding of holder
The tensile force of rope 250 holder 100 is fixed on to the top of testee 300.Camera is controlled to complete on testee again
The shooting at end.When being shot to the front end of testee 300, two cable traction devices close to 300 front end of testee
200 winding ropes 250, two cable traction devices 200 away from front end put rope 250, holder 100 are made to be moved to testee
300 front end, and the data measured with reference to ultrasonic displacement sensor 160 further adjust the position of holder, to ensure
The spacing distance of the position shot each time and 300 surface of testee is impartial.Camera is will pass through to measured object after the adjustment of position
The front end photography of body.And so on, complete the shooting of each position.The shooting of each position needs often for camera to be rotated by 90 ° bat
A sheet photo is taken the photograph, totally 4 sheet photo.And during different position shooting, the distance of camera to testee need to be consistent, and reduction is taken the photograph
Shadow measurement error.
The first controller and second controller are mainly used for receiving the control signal of main control device to control in the present embodiment
Cable traction motor and electric rotating machine work.It should be understood that in the other embodiment of the utility model, can not also set
First controller and second controller directly control rope traction electric machine and electric rotating machine to work by motor control button.
The photogrammetric auxiliary device of 3-D scanning in the present embodiment changes the space of camera using the principle of cable traction
Position, to complete the omnidirectional shooting to testee.The measurement range of the device can be random according to the size of testee
Setting can meet the shooting demand of various objects, photogrammetric particularly convenient for being carried out to the larger object of volume.
Referring to Fig. 6, it is the photogrammetric auxiliary device of 3-D scanning in the utility model second embodiment, with first
The structure of the photogrammetric auxiliary device of 3-D scanning in embodiment is essentially identical, the difference is that, on the holder 100 also
Warning device 180 is provided with, the warning device 180 is electrically connected with the ultrasonic displacement sensor 160, the alarm dress
The range information that the 180 receptions ultrasonic displacement sensor 160 detects is put, and compared with default distance, when described
Ultrasonic displacement sensor 160 detect distance be less than it is default apart from when the warning device 180 sound.
Embodiment described above only expresses the embodiment of the utility model, and description is more specific and detailed, but simultaneously
Cannot the limitation to the utility model patent scope therefore be interpreted as.It should be pointed out that the ordinary skill for this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of photogrammetric auxiliary device of 3-D scanning, which is characterized in that including holder and multiple cable traction devices, institute
Stating cable traction device includes the serving that supporting rack, the pulley at the top of support frame as described above and support frame as described above lower end are set
Cylinder and cable traction motor, the cable traction motor are connected with the rope drum, and rope is wound on the rope drum, described
For cable traction motor for controlling rope described in the rope drum folding and unfolding, the holder includes pedestal, on the pedestal
Electric rotating machine, the universal plate being connected with the electric rotating machine and the spring support being connected with the universal plate, the rope around
It crosses the pulley and the pedestal is detachably connected, the spring support is used for fixed camera.
2. the photogrammetric auxiliary device of 3-D scanning as described in claim 1, which is characterized in that the cable traction device is also
Including the first controller, first controller and the cable traction motor are electrically connected, first controller also with master
It controls equipment to be electrically connected, the main control device is for sending first control signal to first controller, to lead described in control
Draw motor work.
3. the photogrammetric auxiliary device of 3-D scanning as claimed in claim 2, which is characterized in that the holder further includes and institute
The second controller of electric rotating machine electric connection is stated, the second controller is also electrically connected with the main control device, the master
Control equipment is additionally operable to send second control signal to the second controller, the electric rotating machine to be controlled to work.
4. the photogrammetric auxiliary device of 3-D scanning as claimed in claim 2, which is characterized in that also set ultrasound on the holder
Ripple displacement sensor, is provided with wireless communication module on the ultrasonic sensor, the wireless communication module be used for will described in
The range information of ultrasonic displacement sensor detection is sent to the main control device in a manner of wireless telecommunications and is shown.
5. the photogrammetric auxiliary device of 3-D scanning as described in claim 1, which is characterized in that the cable traction device is set
4 are put to be evenly distributed on around testee.
6. the photogrammetric auxiliary device of 3-D scanning as described in claim 1, which is characterized in that the cable traction motor is
Servomotor or stepper motor.
7. the photogrammetric auxiliary device of 3-D scanning as described in claim 1, which is characterized in that the pedestal is equipped with button
Lock, the padlock are used to fix the rope.
8. the photogrammetric auxiliary device of 3-D scanning as claimed in claim 4, which is characterized in that be additionally provided on the holder
Warning device, the warning device are electrically connected with the ultrasonic displacement sensor, and the warning device receives the ultrasound
The range information of ripple displacement sensor detection, and compared with default distance, when the ultrasonic displacement sensor detects
Distance be less than it is described it is default apart from when the warning device sound.
9. the photogrammetric auxiliary device of 3-D scanning as described in claim 1, which is characterized in that support frame as described above includes fixing
Bar and 3 supporting rods of the fixed link lower end, the end of each supporting rod are hinged with the fixed link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321988.0U CN207395656U (en) | 2017-03-29 | 2017-03-29 | The photogrammetric auxiliary device of 3-D scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321988.0U CN207395656U (en) | 2017-03-29 | 2017-03-29 | The photogrammetric auxiliary device of 3-D scanning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207395656U true CN207395656U (en) | 2018-05-22 |
Family
ID=62402849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720321988.0U Expired - Fee Related CN207395656U (en) | 2017-03-29 | 2017-03-29 | The photogrammetric auxiliary device of 3-D scanning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207395656U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099845A (en) * | 2018-07-06 | 2018-12-28 | 江西洪都航空工业集团有限责任公司 | A kind of method of High frequency photographing measurement three-D displacement |
| CN109330507A (en) * | 2018-11-29 | 2019-02-15 | 北京品创智能科技有限公司 | A kind of curtain cleaning robot |
| CN111043957A (en) * | 2019-12-09 | 2020-04-21 | 上海航天精密机械研究所 | Contour point cloud coordinate acquisition method |
| CN113482716A (en) * | 2021-07-02 | 2021-10-08 | 重庆华智天下科技有限公司 | Internal environment scanning and mapping device for mine underground engineering |
-
2017
- 2017-03-29 CN CN201720321988.0U patent/CN207395656U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099845A (en) * | 2018-07-06 | 2018-12-28 | 江西洪都航空工业集团有限责任公司 | A kind of method of High frequency photographing measurement three-D displacement |
| CN109330507A (en) * | 2018-11-29 | 2019-02-15 | 北京品创智能科技有限公司 | A kind of curtain cleaning robot |
| CN111043957A (en) * | 2019-12-09 | 2020-04-21 | 上海航天精密机械研究所 | Contour point cloud coordinate acquisition method |
| CN113482716A (en) * | 2021-07-02 | 2021-10-08 | 重庆华智天下科技有限公司 | Internal environment scanning and mapping device for mine underground engineering |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20190329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |