CN110360951A - A kind of structure optical experimental setup that comprehensive detection can be achieved - Google Patents
A kind of structure optical experimental setup that comprehensive detection can be achieved Download PDFInfo
- Publication number
- CN110360951A CN110360951A CN201910575953.3A CN201910575953A CN110360951A CN 110360951 A CN110360951 A CN 110360951A CN 201910575953 A CN201910575953 A CN 201910575953A CN 110360951 A CN110360951 A CN 110360951A
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- vertical
- motion mechanism
- shaft
- lead screw
- structure optical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
- G01B11/254—Projection of a pattern, viewing through a pattern, e.g. moiré
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- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of testing agencies.Purpose is to provide a kind of improvement of three-dimensional structure optical detection device, which can make line-structured light testing agency make comprehensive detection around object to be detected by motor control, to obtain tested object Complete three-dimensional information.Technical solution is: a kind of structure optical experimental setup that comprehensive detection can be achieved, including experimental bench bracket: it is characterized by also including the rotational motion mechanisms that can be rotationally located in around horizontal axis on experimental bench bracket, the horicontal motion mechanism being located on rotational motion mechanism horizontally moveablely, it is located on horicontal motion mechanism and carries the vertical motion mechanism of testing agency with being vertically movable, the rotational motion mechanism include be rotatably positioned by horizontally disposed rotary shaft experimental bench bracket two sides two rotary cranks and be mounted on experimental bench bracket and drive by belt wheel group the rotating electric machine of rotary shaft.
Description
Technical field
The present invention relates to a kind of testing agencies, examine in particular for the line-structured light for obtaining body surface Complete three-dimensional information
Survey device.
Background technique
The principle of three-dimensional structure light detection method is to project grating pattern to object to be detected by structure optical detector, by
In the modulation of object height, grating fringe can generate corresponding deformation, acquire deforming stripe using video camera, obtain image.It is right
Grating fringe is mediated, the available phase change comprising elevation information.Structure light detection has non-contact, precision height,
The advantages such as detection efficiency height.But meanwhile be limited to actually detected environment, structure light detection is influenced by ambient light factor, easily
It is blocked, it is limited to acquire complete breadth.Higher to the environmental requirement of detection, adaptability is in urgent need to be improved.
Summary of the invention
The purpose of the present invention is being directed to the deficiency of above-mentioned background technique, a kind of changing for three-dimensional structure optical detection device is provided
Line-structured light testing agency can be made to make comprehensive detection around object to be detected by motor control into, the device, thus obtain by
Examine object Complete three-dimensional information.
To achieve the above object, the invention provides the following technical scheme:
A kind of structure optical experimental setup that comprehensive detection can be achieved, including experimental bench bracket: it is characterized by also including
The rotational motion mechanism that can rotationally be located on experimental bench bracket around horizontal axis horizontally moveable is located in rotary motion
Horicontal motion mechanism in mechanism, the vertical fortune for being located on horicontal motion mechanism with being vertically movable and carry testing agency
Motivation structure,
The rotational motion mechanism includes being rotatably positioned by horizontally disposed rotary shaft in experimental bench bracket two sides
Two rotary cranks and be mounted on experimental bench bracket and drive by belt wheel group the rotating electric machine of rotary shaft；
The horicontal motion mechanism includes horizontally disposed and both ends are connect with two rotary cranks one by one respectively support shaft,
The horizontal motor of horizontally-supported piece of sliding can be driven along horizontally-supported piece of support shaft sliding and by horizontal screw lead component；
The vertical motion mechanism includes the support frame that carry detection device, installation vertical lead screw assembly on the support frame
And the vertical motor by vertical lead screw Component driver detection device vertical motion.
The rotary crank is fixed on the rotary shaft；The belt wheel group includes fixed synchronous belt canine tooth on the rotary shaft
It the synchronous belt pinion gear that take turns, is fixed on rotating electric machine output shaft and is nibbled simultaneously with synchronous belt gear wheel and synchronous belt pinion gear
The synchronous belt of conjunction.
The rotational motion mechanism is also configured with locking structure, the locking structure include fixed ratchet on the rotary shaft and
With the pawl of ratchet cooperation；The pawl is located on experimental bench bracket by pawl shaft.
The horizontal screw lead component is by being parallel to rotating shaft axis and to be rotationally located in two rotations one by one bent at both ends
Horizontal lead screw on handle and cooperates with horizontal lead screw and formed with the horizontally-supported piece of horizontal lead screw nut being fixedly connected.
The vertical lead screw assembly is formed from vertical screw rod and with the vertical feed screw nut with vertical lead screw；It is described vertical
Screw rod is rotatably positioned on the support frame and by vertical motor driven, and vertical feed screw nut then connects with horizontally-supported piece of fixation
It connects.
Support frame as described above includes at least two support rods arranged vertically, fix respectively with the top of two support rods and
Two fixed disks with the bottom end of two support rods.
The both ends of the vertical screw rod are also rotatably positioned on two disks by bearing respectively；The vertical motor
Installation drives the vertical screw rod on the support frame and by shaft coupling.
The working principle of the invention is: rotational motion mechanism is under the drive of rotating electric machine, institute on rotary crank and crank
The component of connection realizes that the rotary motion of certain angle carries out locking by click in moving pause；Horizontal motion machine
Structure, by lead screw transmission, realizes the horizontal movement of testing agency under the drive of horizontal motor, and designs full symmetric up and down
Two horicontal motion mechanisms can effectively improve detection efficiency；Vertical motion mechanism is made under the drive of vertical motor by lead screw
It is vertical to move up and down, distance of the adjusting detection mechanism for object to be detected.
The beneficial effects of the present invention are: the present invention devises the movement of rotation, level, vertical three directions simultaneously, make to examine
Mechanism is surveyed in face of different field conditions by motor control, makees comprehensive detection around object to be detected, so that it is complete to obtain object
Whole three-dimensional information improves the adaptability of detection platform；Influenced when solving prior art detection by ambient light factor,
Easily it is blocked and acquires the limited defect of complete breadth.To which detection quality and detection working efficiency be greatly improved.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is the schematic perspective view of rotational motion mechanism in the present invention.
Fig. 3 is the structural schematic diagram that support plate is rotated in the present invention.
Fig. 4 is the schematic perspective view of horicontal motion mechanism in the present invention.
The schematic perspective view that Fig. 5 is horizontally-supported piece in horicontal motion mechanism.
Fig. 6 is the portion the A enlarged structure schematic diagram in Fig. 2.
Fig. 7 is the schematic perspective view of vertical motion mechanism in the present invention.
Fig. 8 is the schematic perspective view of the first disk in vertical motion mechanism.
Fig. 9 is the schematic perspective view of the second disk in vertical motion mechanism.
Figure 10 is the schematic perspective view of testing agency in the present invention.
Figure 11 is the schematic perspective view of laser in testing agency.
Specific embodiment
To be easy to understand technological means of the invention, creation characteristic, purpose and effect, below with reference to specific knot
Structure, the present invention is further explained.
The structure optical experimental setup provided by the invention that comprehensive detection can be achieved, including following several parts: experimental bench
Bracket I, rotational motion mechanism II, horicontal motion mechanism III, vertical motion mechanism IV, testing agency's support V.
Experimental bench bracket is mainly built by aluminum profile；Rotational motion mechanism includes rotation support plate 1 (two rotation branch
Fagging is symmetrically fixed on the two sides of experimental bench bracket), rotating electric machine 3, synchronous belt pinion gear 4, synchronous belt gear wheel 5, rotation it is bent
Handle 6, ratchet 7, pawl 8 (ratchet 7 and pawl 8 form locking structure), rotary shaft 9, bearing 10.Horicontal motion mechanism includes level
Lead screw 11, support shaft 12, lead screw bearing 13, horizontal motor 14, shaft coupling 15, horizontal screw lead nut 16 (horizontal screw lead 11 and water
Flat feed screw nut 16 forms horizontal screw lead component), horizontally-supported piece 17；Vertical motion mechanism includes vertical motor 18, shaft coupling
20, vertical lead screw 21, vertical feed screw nut 22 (vertical lead screw 21 forms vertical lead screw assembly with vertical feed screw nut 22), support
Bar 23, lead screw bearing 24 and disk 19,25,26；Testing agency include connecting shaft 27, link block 28, testing agency's connecting plate 29,
Laser support 30, camera support 31.
(refering to Fig. 2) in rotational motion mechanism: two rotation support plates 1 are divided for motor side and non-motor side, are opened up respectively
There are hole 1-1 and hole 1-2, mesoporous 1-1 and experimental bench bracket obtain being connected by bolts to fixed, and rotary shaft 9 passes through bearing
10 are fixed at the 1-2 of hole.Fixation hole 6-4 can be equipped in the middle part of rotary crank, fixation hole hole wall is equipped with the screw hole laterally opened up；Rotation
After one end insertion fixation hole of axis, then with fixing screws the screw hole is screwed in, rotary crank and rotary shaft are connected and fixed.But electricity
Generator terminal has had more hole 1-3 and hole 1-4 than non-motor side, and mesoporous 1-3 is passed through for 3 output shaft of rotating electric machine, and motor then passes through
Screw is fixed in rotation support plate；Hole 1-4 is fixedly connected for pawl shaft 2.It is also equipped on rotating electric machine output shaft same
Band pinion gear 4 is walked, the connector sleeve of synchronous belt gear wheel 5, ratchet 7 and fixed rotary crank 6 is then coaxially equipped in rotary shaft；
Pawl 8 is equipped in pawl shaft, pinion gear and gear wheel are attached by synchronous belt, and ratchet is directly engaged with pawl.Rotation
Crank is symmetrical above and below, and there are two types of hole, mesoporous 6-1 to be fixedly connected with support shaft 12 for top half, and hole 6-2 passes through lead screw bearing 13
It is fixedly connected with lead screw, 14 output shaft of horizontal motor being fixed on rotary crank is fixed by shaft coupling and the lead screw at the hole end 6-2
Connection.
Horicontal motion mechanism (refering to Fig. 4): support shaft 12 mainly plays a supportive role.11 one end of horizontal screw lead and lead screw bearing
13 are supported on rotary crank, and the other end is connected by shaft coupling 15 with horizontal motor output shaft, by the rotary motion of horizontal motor
It is converted into the horizontal movement of horizontal screw lead nut.On horizontally-supported piece 17 hole 17-1 and hole 17-2 respectively by horizontal screw lead pass through with
And is interted by support shaft and slided；Horizontally-supported piece is also connected and fixed with horizontal screw lead nut 16, to make horizontal screw lead spiral shell
Master tape moves horizontally-supported piece and moves horizontally.Hole 17-3 on horizontally-supported piece is connected with vertical support shaft 23 opposite to be slided,
Hole 17-4 is fixed with vertical feed screw nut by screw connection.
Vertical motion device (refering to Fig. 7): vertical motor 18 is fixed on the groove of the hole 19-2 on the first disk 19.Two
One end of a support rod 23 is fixedly connected with two hole 19-12 on the first disk 19, the other end sequentially pass through the second disk 25,
It is fixedly connected after two hole 26-2 on second disk 26 and (presses branch after the screw hole 32 on fixing bolt transverse direction the second disk of screw-in
Support rod is fixedly connected by strut with the second disk.Support rod and third disk are also fixed using the same manner).Vertical motor
Output shaft is connect by shaft coupling 20 with vertical 21 one end of lead screw, the lead screw other end and the lead screw bearing 24 being fixed on disk 25
It is connected.Vertical feed screw nut 22 is fixedly connected with horizontally-supported piece 17 on vertical lead screw, and the rotary motion of vertical motor is converted
For the movement of horizontally-supported piece of vertical direction.
Testing agency (refering to fig. 1 0): connecting shaft 27 is fixedly connected with (preferably screw thread company with the hole 26-1 in 26 center of disk
Connect), fixing assembling has link block 28 in connecting shaft, and link block and 29 through hole 29-3 of testing agency's connecting plate carry out bolt connection
It connects.It is provided with slot 29-1,29-2 on connecting plate, is connected by bolts respectively with laser support 30, camera support 31, slot structure has
Conducive to the relative position of adjustment camera support and laser support.Thread spindle 30-2 insertion on laser support (referring to Figure 11)
Cooperate again with nut after slot 29-1, laser support is fixed on connecting plate；Laser (outsourcing device, figure in omit) can be put
It sets in the 30-1 of hole, then is fixed laser by screw in the 30-3 of hole.Hole 31-1 on camera support is aligned with slot 29-2,
With bolt it is interspersed after, then can be fixed with nut；Camera lens through hole 31-3, camera (outsourcing device, figure in omit)
Through hole 31-2,31-4 is screwed.
Principle Analysis
Firstly, the vertical motor of starting vertical motion mechanism, vertical motor output shaft drive vertical lead screw by shaft coupling
Rotation, and vertical feed screw nut is fixed on horizontally-supported piece and can not rotate, the rotation of vertical lead screw is to be converted into vertical motion
The detection effect of camera and laser is adjusted to best to drive the vertical motion of testing agency by the vertical motion of mechanism；
Secondly, the horizontal motor of starting horicontal motion mechanism, horizontal motor output shaft drives horizontal screw lead to rotate by shaft coupling, and water
It is fixed with the horizontal screw lead nut with horizontal screw lead cooperation in flat supporting block, thus can make along horizontal screw lead and horizontal supporting shaft
Horizontal movement enables testing agency to detect checking matter so that vertical motion mechanism, testing agency be driven to make horizontal motion
The information of body in that direction；Finally, starting the rotating electric machine of rotational motion mechanism, it is equipped on rotating electric machine output shaft same
Step band pinion gear, drives the synchronous belt gear wheel in rotary shaft to rotate, synchronous belt gear wheel is connected in rotary shaft by synchronous belt
On, drive same rotary crank and the ratchet wheel being connected on the rotary shaft；When rotary crank turns over certain angle, repeat
Two processes are stated, and the tested information of object in that direction can be obtained.In rotary motion, synchronous belt pinion gear and synchronous belt
The gear ratio of gear wheel is bigger, finer to the corner control of rotary crank, while the design of ratchet and pawl arrangement can avoid hair
Raw slipping phenomenon.The design of full symmetric simultaneously horicontal motion mechanism, vertical motion mechanism and testing agency, can reduce detection
Time, improve efficiency.
The rotation of three motors is controlled by controller, and three motors can rotate simultaneously, intermittent can also be rotated, by controller
The rotation of three motors is controlled with the information of cam feedback according to actual needs, to realize the cooperation fortune of several great institutions
It is dynamic, reach optimal detection effect；It can shift to an earlier date and corresponding algorithm routine is written in controller to control each motor, realize intelligence
It can driving.
Claims (7)
1. a kind of structure optical experimental setup that comprehensive detection can be achieved, including experimental bench bracket (I): it is characterized by: also wrapping
It includes the rotary motion machine (II) that can be rotationally located on experimental bench bracket around horizontal axis, horizontally moveable be located in rotation
Horicontal motion mechanism (III) on movement mechanism is located on horicontal motion mechanism and carries testing agency with being vertically movable
(V) vertical motion mechanism (IV),
The rotational motion mechanism includes being rotatably positioned by horizontally disposed rotary shaft the two of experimental bench bracket two sides
A rotary crank (6) and the rotating electric machine (3) for being mounted on experimental bench bracket and driving by belt wheel group rotary shaft；
The horicontal motion mechanism includes horizontally disposed and both ends are connect with two rotary cranks one by one respectively support shaft (12),
The level of horizontally-supported piece of sliding can be driven along horizontally-supported piece (17) of support shaft sliding and by horizontal screw lead component
Motor (14)；
The vertical motion mechanism include the support frame that carry detection device, installation on the support frame vertical lead screw assembly and
Pass through the vertical motor (18) of vertical lead screw Component driver detection device vertical motion.
2. the structure optical experimental setup according to claim 1 that comprehensive detection can be achieved, it is characterised in that: the rotation
Crank is fixed on the rotary shaft；The belt wheel group includes fixed synchronous belt gear wheel (5) on the rotary shaft, is fixed on electric rotating
Synchronous belt pinion gear (4) and the synchronous belt engaged simultaneously with synchronous belt gear wheel and synchronous belt pinion gear on machine output shaft.
3. the structure optical experimental setup according to claim 2 that comprehensive detection can be achieved, it is characterised in that: the rotation
Movement mechanism is also configured with locking structure, which includes fixed ratchet (7) on the rotary shaft and cooperate with ratchet
Pawl (8)；The pawl is located on experimental bench bracket by pawl shaft.
4. the structure optical experimental setup according to claim 3 that comprehensive detection can be achieved, it is characterised in that: the level
Lead screw assembly is by being parallel to rotating shaft axis and both ends are rotationally located in horizontal lead screw on two rotary cranks one by one
(11) and with horizontal lead screw cooperate and formed with the horizontally-supported piece of horizontal lead screw nut (16) being fixedly connected.
5. the structure optical experimental setup according to claim 4 that comprehensive detection can be achieved, it is characterised in that: described vertical
Lead screw assembly is formed from vertical screw rod (21) and with the vertical feed screw nut (22) with vertical lead screw；The vertical screw rod can turn
It is positioned dynamicly on the support frame and by vertical motor driven, vertical feed screw nut is then fixedly connected with horizontally-supported piece.
6. the structure optical experimental setup according to claim 5 that comprehensive detection can be achieved, it is characterised in that: the support
Frame includes at least two support rods (23) arranged vertically, fix respectively with the top of two support rods and with two support rods
Fixed two disks () in bottom end.
7. the structure optical experimental setup according to claim 6 that comprehensive detection can be achieved, it is characterised in that: described vertical
The both ends of screw rod are also rotatably positioned on two disks by bearing respectively；The vertical motor installation on the support frame and
The vertical screw rod is driven by shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575953.3A CN110360951B (en) | 2019-06-28 | 2019-06-28 | Structured light experimental device capable of realizing all-dimensional detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575953.3A CN110360951B (en) | 2019-06-28 | 2019-06-28 | Structured light experimental device capable of realizing all-dimensional detection |
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| CN110360951A true CN110360951A (en) | 2019-10-22 |
| CN110360951B CN110360951B (en) | 2021-01-22 |
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| CN201910575953.3A Active CN110360951B (en) | 2019-06-28 | 2019-06-28 | Structured light experimental device capable of realizing all-dimensional detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112096640A (en) * | 2020-09-04 | 2020-12-18 | 江苏理工学院 | Diversified noise detection device of fan |
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| Publication number | Publication date |
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| CN110360951B (en) | 2021-01-22 |
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