CN116499387A - Photographic measurement device for remote micro-deformation monitoring - Google Patents
Photographic measurement device for remote micro-deformation monitoring Download PDFInfo
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- CN116499387A CN116499387A CN202310433705.1A CN202310433705A CN116499387A CN 116499387 A CN116499387 A CN 116499387A CN 202310433705 A CN202310433705 A CN 202310433705A CN 116499387 A CN116499387 A CN 116499387A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 title claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 19
- 238000006073 displacement reaction Methods 0.000 abstract description 15
- 230000000007 visual effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/167—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by projecting a pattern on the object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to the technical field of detection equipment, and particularly provides a photographic measurement device for remote micro-deformation monitoring, which comprises a stand column, a back plate arranged at the top end of the stand column, and a projection mechanism arranged at the front side of the back plate, wherein an object to be detected is not arranged in a positioning structure, a rack is correspondingly arranged above the projection plate with the positioning structure, the deformation resistance of the object to be detected is judged according to the bending degree of projection, the displacement of the rack during shooting is also transmitted to a third party computer through a digital camera, and an operator refers to the bending degree of the object to be detected in an image and judges the deformation resistance degree of the object to be detected according to the displacement of the rack. The device adopts a rack pushing mode to enable the object to be tested to bend and deform, and projects the bending deformation image onto the projection plate, and the bending deformation degree of the object to be tested refers to the displacement of the rack, so that the deformation resistance detection mode of the object to be tested is more visual.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a photogrammetry device for remote micro-deformation monitoring.
Background
The micro deformation monitoring is applied to construction and construction in many cases, is used for detecting the deformation resistance of the used materials, has high detection efficiency, has been greatly developed in recent years as an important branch of photogrammetry, has been successful in the fields of high-precision three-dimensional measurement, deformation monitoring and the like, and in the construction environment of buildings, the building materials are reduced in steel bars and concrete, and plates such as boards, flat steels and rectangular tubes are used.
In the existing building construction of comprehensive view, when the band steel is applied to the steel skeleton dragon frame, the requirement on the deformation resistance capability is higher, and the deformation resistance capability comes from when it is used as a support, is mostly on the bending resistance capability that is born when it bears great load, however in order to detect its bending resistance capability, it is tested that it is big to adopt large-scale hydraulic press or large-scale testing machine to be adopted, and this kind of equipment is bulky, and the bending resistance capability is confirmed only through the bending state of naked eye observation material to the detection mode, and the change of bending resistance capability lacks the reference value.
Disclosure of Invention
The invention aims to solve the technical problem that a photographic measurement device for remote micro-deformation monitoring is provided, and the bending resistance detection result of a detected material (hereinafter, collectively referred to as an object to be detected) has a higher reference value through various detection modes.
The projection mechanism comprises a rack, a projection plate and a positioning structure, wherein the rack is slidably matched with the back plate through a sliding rail, the projection plate is fixed on the back plate, the positioning structure is arranged between the rack and the outer end part of the back plate, no object to be detected is arranged in the positioning structure, the rack is arranged above the projection plate with the positioning structure, the object to be detected is positioned above the projection plate through the positioning structure, a projection surface corresponding to the lower part of the object to be detected is arranged on the projection plate, a support is arranged at the top end of the rack, a digital camera is arranged at the top end of the support, the shooting surface of the digital camera is perpendicular to the upper part of the projection surface of the object to be detected, a through hole is formed in the back plate, a gear is arranged in the through hole, the back surface of the object to be detected is attached to the front of the rack, and meshed with the rack to push the object to be detected towards the end side direction displacement of the back plate, so that the object to be detected is gradually separated from the attaching area of the rack in a parabolic bending mode, and meanwhile, the object to be detected is bent to be projected onto the projection surface of the projection plate.
As a further preferred option, a communication device is fixed to the back of the back plate, and the digital camera is electrically connected to the communication device.
As a further preferable mode, the top of the upright post is provided with a connecting seat, the back plate is vertically fixed on the connecting seat, the upright post is a hollow tube, a motor is fixed at the top of a tube cavity of the upright post, an action shaft of the motor penetrates through the through hole to enter the front side of the back plate, and the gear is fixed on the action shaft of the motor.
As a further preferred aspect, the side end portion of the back plate is provided with a first positioning plate extending forward, a second positioning plate extending horizontally towards the rack is fixed on the first positioning plate, the positioning structure comprises a positioning groove formed on the rack, a positioning surface attached to the back surface of the object to be detected is formed on the length direction of the positioning groove, a limiting surface corresponding to the first positioning plate in the left-right direction is formed on the width direction of the positioning groove, the bottom end of the object to be detected is limited on the top surface of the second positioning plate, two ends of the object to be detected are limited between the first positioning plate and the limiting surface, and the positioning structure further comprises a first limiting rod mounted on the first positioning plate through a threaded hole and a second limiting rod mounted on the limiting surface through a threaded hole.
As a further preferable aspect, the positioning groove is provided with a rounded surface adjacent to one end of the first limiting rod, and the rounded shape of the rounded surface gradually thickens from one end adjacent to the first limiting rod toward the limiting surface.
As a further preferred aspect, the projection surface is inclined downward, and the projection surface is provided with first graduations, and the first graduations are distributed along the length direction of the projection surface.
As a further preferred mode, at least two counter bores which are far away from each other are formed in the length direction of the rack, the counter bores are vertically arranged, one end of each counter bore penetrates to the front face of the limiting face and is flush with the front face of the limiting face, the other end of each counter bore penetrates to the middle of the rack, a spring rod is arranged in each counter bore, the outer end of each spring rod can elastically stretch out and draw back along the counter bore in and out of the counter bore, the top end of each counter bore is communicated with the top face of the rack in a penetrating mode, a transparent plate which covers the upper side of the spring rod is fixed at the position where the top end of each counter bore is communicated with the top face of the rack, chamfer angles which are symmetrical to the two sides of the transparent plate are formed in two sides of the top end of each counter bore, and the digital camera corresponds to the upper side of the transparent plate.
As a further preferable mode, the front ends of the spring rods are ball heads, and the two spring rods are provided with second scales.
Compared with the prior art, the invention has the beneficial effects that:
the measuring device adopts a gear transmission rack mode to set a detection function, the detection function can detect the micro-deformation capacity of a plate, particularly detects the limit of bending resistance of the plate, the detection structure is a rack, a positioning groove for clamping an object to be measured is formed in the rack, the object to be measured is limited on the positioning groove through the positioning structure when in use, the back of the object to be measured is abutted against the front wall surface of the positioning groove, when the gear rotates clockwise, the linear displacement of the rack is carried, the displacement is detected in real time through scales, the limiting surface is utilized to jack the object to be measured while the rack is displaced, the bending direction of the object to be measured is bent forward in a direction gradually far away from the positioning groove, a gap is formed between the bending part of the object to be measured and the front surface of the positioning groove, namely, the attaching area of the object to be measured and the rack is separated forward in a parabolic bending mode, the parabolic gap is fed back to the projection plate in a projection mode, a digital camera mounted on the top of the rack is used for shooting, a shot parabolic image is transmitted to a third-party computer through the digital camera, the shot by the digital camera is used for judging the bending resistance of the object to be measured, and the deformation resistance of the object can be transmitted to a third-party computer through the digital camera according to the bending resistance of the projection. The device adopts a rack pushing mode to enable an object to be tested to bend and deform, and projects a bending deformation image onto the projection plate, and the bending deformation degree of the object to be tested refers to the displacement of the rack, so that the deformation resistance detection mode of the object to be tested is more visual, the scales are matched with the projection deformation, and the result is displayed in a structure mode by an image, so that the bending resistance detection result of the object to be tested has a higher reference value.
Drawings
Fig. 1 is a schematic view of a front view plane structure of a photogrammetry device for remote micro-deformation monitoring according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of a top portion of a photogrammetry device for remote micro-deformation monitoring according to an embodiment of the present invention;
FIG. 3 is a schematic view of the photographic measurement device for remote micro-deformation monitoring according to the embodiment of the invention, when the object to be measured is removed, which is led out from FIG. 2;
FIG. 4 is a schematic view of a back view of a photogrammetry device for remote micro-deformation monitoring according to an embodiment of the present invention;
fig. 5 is a schematic view of a structure of a counterbore, and a spring rod installed in the counterbore, when a rack in a photogrammetry device for remote micro-deformation monitoring is partially cut away, according to an embodiment of the present invention.
In the figure: 1. a column; 2. a back plate; 21. a through hole; 3. a projection mechanism; 4. a rack; 41. a bracket; 42. a digital camera; 43. a positioning groove; 431. a positioning surface; 432. a limiting surface; 433. a second restriction lever; 434. round angle surface; 435. countersink; 436. a spring rod; 437. a transparent plate; 438. chamfering; 439. a second scale; 5. a projection plate; 51. a projection surface; 511. a first scale; 6. a positioning structure; 7. an object to be measured; 8. a gear; 9. a connecting seat; 10. a motor; 11. a first positioning plate; 111. a first restriction lever; 12. and a second positioning plate.
Detailed Description
The foregoing and other embodiments and advantages of the invention will be apparent from the following, more complete, description of the invention, taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention.
In one embodiment, as shown in fig. 1-5.
The photogrammetry device for remote micro deformation monitoring provided by the embodiment comprises a stand column 1, a backboard 2 arranged at the top end of the stand column 1, and a projection mechanism 3 arranged at the front side of the backboard 2;
the projection mechanism 3 comprises a rack 4 which is in sliding fit with the backboard 2 through a sliding rail, a projection board 5 which is fixed on the backboard 2, and a positioning structure 6 which is arranged between the rack 4 and the outer end part of the backboard 2, wherein no object 7 to be detected is arranged in the positioning structure 6, the rack 4 is correspondingly arranged above the projection board 5 with the positioning structure 6, the object 7 to be detected is positioned above the projection board 5 by the positioning structure 6, a projection surface 51 which is correspondingly arranged below the object 7 to be detected is arranged on the projection board 5, a support 41 is arranged at the top end of the rack 4, a digital camera 42 is arranged at the top end of the support 41, a shooting surface of the digital camera 42 is vertical to the upper parts of the object 7 to be detected and the projection surface 51, a through hole 21 is formed in the backboard 2, a gear 8 is arranged in the through hole 21, the back surface of the object 7 to be detected is abutted against the front of the rack 4, and when the gear 8 is meshed with the rack 4 to push the object 7 to be detected to move towards the end side direction of the backboard 2, a joint area of the object 7 to be detected is gradually separated forwards in a parabolic bending mode, and projection when the object 7 to be detected is subjected to parabolic bending is displayed on the projection surface 51 of the projection board 5.
The side end of backplate 2 is equipped with first locating plate 11 that extends forward, be fixed with on the first locating plate 11 towards rack 4 direction horizontally extending's second locating plate 12, location structure 6 is including seting up the constant head tank 43 on rack 4, be formed with the locating surface 431 of laminating on the back of the object 7 that awaits measuring in the length direction of constant head tank 43, be formed with the limit face 432 corresponding with first locating plate 11 about in the width direction of constant head tank 43, the bottom of object 7 that awaits measuring is limited on the top surface of second locating plate 12, the both ends of object 7 that awaits measuring are limited between first locating plate 11 and limit face 432, location structure 6 still includes first limit rod 111 that installs on first locating plate 11 through the screw hole, and install the second limit rod 433 on limit face 432 through the screw hole.
The object 7 to be measured is a plate or a rectangular tube used in construction, a small section is taken during detection, and then the small section is positioned in the positioning groove 43 of the rack 4 through the positioning structure 6 in the form shown in fig. 2, and the specific detection principle is as follows:
in this embodiment, when the measuring device is used, the object 7 to be measured is placed on the front side of the positioning groove 43 by using the clamp, the back surface of the object 7 to be measured is tightly supported on the front wall surface of the positioning groove 43, the bottom end of the object 7 to be measured falls on the top surface of the second positioning plate 12 and is supported and positioned by the second positioning plate 12, the left side part of the object 7 to be measured is clamped and fixed on the inner side of the first limiting rod 111, the right side part of the object 7 to be measured is clamped and fixed on the inner side of the second limiting rod 433, the object 7 to be measured is mounted on the measuring device in the state shown in fig. 1 and 2, at this time, since the left and right ends of the object 7 to be measured are positioned, the bottom is positioned again, so the left and right ends of the object 7 to be measured cannot shake, when the gear 8 rotates clockwise, the rack 4 is moved leftwards, and the object 7 to be measured is jacked by using the limiting surface 432, since both ends of the object 7 to be measured are respectively restrained by the first restraining bar 111 and the second restraining bar 433 which are intercepted in front thereof, the curved portion of the object 7 to be measured is the middle portion, and the curved direction of the object 7 to be measured is curved forward in a direction gradually away from the positioning groove 43 under the restraining action of the positioning groove 43, which causes a gap to be formed between the curved portion of the object 7 to be measured and the front of the positioning groove 43, i.e., the attaching region of the object 7 to be measured and the rack 4 is gradually separated forward in a parabolic curved manner, the parabolic gap is presented on the projection surface 51 of the projection plate 5 and photographed by the digital camera 42, the photographed parabolic image is transmitted to the third party computer through the digital camera 42 to judge the deformation resistance of the object 7 to be measured according to the degree of the projected curvature, the projection surface 51 is provided with a first scale 511, and the first scale 511 is distributed along the length direction of the projection surface 51, so that when the rack 4 is utilized to displace leftwards and bend the object 7 to be measured, the displacement of the rack 4 is detected by the first scale 511, and the shot parabolic image and the displacement of the rack 4 are all transmitted to a third party computer through the digital camera 42 along with the bending projection projected on the projection surface 51 when the object 7 to be measured is bent, and an operator refers to the bending degree of the object 7 to be measured in the image and the displacement of the rack 4 to judge the deformation resistance degree of the object 7 to be measured. The device adopts the mode that the rack 4 pushes and presses to enable the object 7 to be measured to bend and deform, and projects the image of the bending deformation onto the projection plate 5, and the bending deformation degree of the object 7 to be measured refers to the displacement amount of the rack 4, so that the deformation resistance detection mode of the object 7 to be measured is more visual, particularly, as the front surface of the positioning groove 43 is a horizontal surface, the object 7 to be measured is in seamless butt joint when abutted against the positioning groove 43, and when the object 7 to be measured is detected by the mode, the deformation resistance can be judged according to the clearance (parabolic projection) formed between the micro bending deformation of the object 7 to be measured and the positioning groove 43.
The back of the backboard 2 is fixed with a communication device, the digital camera 42 is electrically connected with the communication device, the digital camera 42 transmits the shot images to the communication device, and the images are transmitted to a third party computer by the communication device, so that the purpose of remote detection is achieved. The communication device may be a router, a switch, etc.
As shown in fig. 2 and 3, the positioning groove 43 is provided with a rounded surface 434 adjacent to one end of the first limiting rod 111, the rounded shape of the rounded surface 434 gradually thickens from one end adjacent to the first limiting rod 111 toward the limiting surface 432, the rounded surface 434 provides conditions for bending deformation of the object 7 to be measured when being pushed by the limiting surface 432 at one end of the rack 4, namely, when the object 7 to be measured is pushed by the limiting surface 432 at one end of the rack 4, two ends of the object 7 to be measured are limited by the first limiting rod 111 and the second limiting rod 433, the first limiting rod 111, the second limiting rod 433 and the rounded surface 434 form a triangular area together, the first limiting rod 111 and the second limiting rod 433 are limited at the front side of the object 7 to be measured, and the rounded surface 434 forms a bending space at the rear side of the object 7 to be measured, so as to ensure that the object 7 to be measured can bend deformation when being pressed.
In another embodiment, as shown in fig. 3 and 5, at least two counter bores 435 far away from each other are formed in the length direction of the rack 4, the counter bores 435 are vertically arranged, one end of each counter bore 435 penetrates through the front face of the limiting surface 432 and is flush with the front face of the limiting surface 432, the other end of each counter bore 435 penetrates through the middle part of the rack 4, a spring rod 436 is arranged in each counter bore 435, the outer ends of the spring rods 436 can elastically stretch out and retract into the counter bores 435 along the counter bores 435, the top ends of the counter bores 435 are communicated with the top surface of the rack 4 in a penetrating manner, a transparent plate 437 covering the top of the spring rod 436 is fixed at the position where the top ends of the counter bores 435 are communicated with the top surface of the rack 4, chamfers 438 symmetrical to the two sides of the transparent plate 437 are formed in the two sides of the top ends of the counter bores 435, the digital cameras 42 are correspondingly arranged above the transparent plate 437, the front ends of the spring rods 436 are ball heads, and the second scales 439 are arranged on the two spring rods 436.
In this embodiment, when the object 7 to be measured is positioned on the front side of the rack 4 and abuts against the front wall surface of the positioning groove 43, the rear surface of the object 7 to be measured is pressed against the front end spherical surface of the spring rod 436, and the spring rod 436 is pressed in the counter bore 435, and when the rack 4 is driven to move linearly by the drive of the gear 8 during detection, the rack 4 is used to push the object 7 to be measured to bend and deform, and besides the limiting surface 432, the rear surface of the object 7 to be measured is gradually separated from the front end of the spring rod 436 due to forward bending and deforming, the front end of the spring rod 436 is pushed forward under the action of the spring due to the loss of pressing, the displacement of the spring rod 436 is detected by the second scale 439, the displacement is shot by the transparent plate 437, and the projection of the displacement of the spring rod 436 during bending and deforming of the object 7 to be measured is fed back to the communication device along with the projection of the digital camera 42 during bending deformation of the object 7 to be measured, and the displacement of the rack 4 is fed back to the communication device, so as to complete the remote detection, the object 7 to be measured is more visually and has a deformation resistance to the detection mode, especially the deformation resistance to the object 7 to be measured by the three-dimensional deformation is matched with the detection mode.
In this embodiment, as shown in fig. 4, a connecting seat 9 is provided at the top of the upright 1, the back plate 2 is vertically fixed on the connecting seat 9, and the upright 1 is a hollow tube, and has light weight. The top of the pipe cavity of the upright post 1 is fixedly provided with a motor 10, an action shaft of the motor 10 passes through the through hole 21 and enters the front side of the backboard 2, the gear 8 is fixed on the action shaft of the motor 10, the gear 8 is driven to rotate when the motor 10 is electrified, and the rotation power of the gear 8 is derived from the motor 10.
The above-described embodiments are provided to further explain the objects, technical solutions, and advantageous effects of the present invention in detail. It should be understood that the foregoing is only illustrative of the present invention and is not intended to limit the scope of the present invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The photographic measurement device for remote micro-deformation monitoring is characterized by comprising a stand column (1), a backboard (2) arranged at the top end of the stand column (1), and a projection mechanism (3) arranged at the front side of the backboard (2); the projection mechanism (3) comprises a rack (4) which is in sliding fit with the backboard (2) through a sliding rail, a projection board (5) which is fixed on the backboard (2), a positioning structure (6) which is arranged between the rack (4) and the outer end part of the backboard (2), no object (7) to be detected is arranged in the positioning structure (6), the rack (4) is correspondingly arranged above the projection board (5) with the positioning structure (6), the object (7) to be detected is positioned above the projection board (5) by the positioning structure (6), a projection surface (51) which is correspondingly arranged below the object (7) to be detected is arranged on the projection board (5), a bracket (41) is arranged at the top end of the rack (4), a digital camera (42) is arranged at the top end of the bracket (41), a shooting surface of the digital camera (42) is vertically arranged above the object (7) to be detected and the projection surface (51), a through hole (21) is formed in the backboard (2), a gear (8) is arranged in the through hole (21), the back surface of the object (7) to be detected is abutted against the front surface of the rack (4), the gear (8) is pushed by the positioning structure (6) to be detected, the gear (4) to be meshed with the rack (7) to be detected) to the front surface of the object (7) to be detected, and the object (7) is gradually moved towards the direction of the parabola direction of the curve to be separated from the side of the backboard (2) to be detected, and simultaneously, the projection of the object (7) to be measured when parabolic bending is carried out is presented on the projection surface (51) of the projection plate (5).
2. A photogrammetry device for remote micro deformation monitoring according to claim 1, wherein the back of the back plate (2) is fixed with a communication device to which the digital camera (42) is electrically connected.
3. The photogrammetry device for remote micro deformation monitoring according to claim 2, wherein the top of the upright post (1) is provided with a connecting seat (9), the back plate (2) is vertically fixed on the connecting seat (9), the upright post (1) is a hollow tube, the top of the tube cavity of the upright post (1) is fixed with a motor (10), an action shaft of the motor (10) passes through the through hole (21) to enter the front side of the back plate (2), and the gear (8) is fixed on the action shaft of the motor (10).
4. A photogrammetry device for remote micro-deformation monitoring according to claim 3, wherein the side end of the backboard (2) is provided with a first positioning plate (11) extending forward, a second positioning plate (12) extending horizontally towards the direction of the rack (4) is fixed on the first positioning plate (11), the positioning structure (6) comprises a positioning groove (43) formed on the rack (4), a positioning surface (431) attached to the back surface of the object (7) to be measured is formed on the length direction of the positioning groove (43), a limiting surface (432) corresponding to the left and right sides of the first positioning plate (11) is formed on the width direction of the positioning groove (43), the bottom end of the object (7) to be measured is limited on the top surface of the second positioning plate (12), two ends of the object (7) to be measured are limited between the first positioning plate (11) and the limiting surface (432), and the positioning structure (6) further comprises a first limiting rod (111) mounted on the first positioning plate (11) through a threaded hole, and a second limiting rod (433) mounted on the limiting surface (432) through the threaded hole.
5. The photographing measuring apparatus for remote micro-deformation monitoring according to claim 4, wherein the positioning groove (43) is provided with a rounded corner surface (434) adjacent to one end of the first limiting rod (111), and the rounded corner shape of the rounded corner surface (434) gradually increases from the end adjacent to the first limiting rod (111) toward the limiting surface (432).
6. The photogrammetry device for remote micro deformation monitoring according to claim 5, wherein the projection surface (51) is inclined downwards, the projection surface (51) is provided with a first scale (511), and the first scale (511) is distributed along the length direction of the projection surface (51).
7. The photographic measurement device for remote micro-deformation monitoring according to claim 6, wherein at least two counter bores (435) which are far away from each other are formed in the length direction of the rack (4), the counter bores (435) are vertically arranged, one ends of the counter bores (435) penetrate through the front face of the limiting face (432) and are flush with the front face of the limiting face (432), the other ends of the counter bores (435) penetrate through the middle part of the rack (4), spring rods (436) are arranged in the counter bores (435), the outer ends of the spring rods (436) can elastically stretch out and draw back into the counter bores (435) along the counter bores (435), the top ends of the counter bores (435) are communicated with the top surface of the rack (4), transparent plates (437) which cover the upper parts of the spring rods (436) are fixed at the positions where the top ends of the counter bores (435) are communicated with the top surface of the rack (4), and chamfer angles (438) which are symmetrical to the two sides of the transparent plates (437) are formed at the two sides of the top ends of the counter bores (435), and the digital camera (42) corresponds to the upper parts of the transparent plates (437).
8. The photographic measurement device for remote micro-deformation monitoring according to claim 7, wherein the front ends of the spring rods (436) are ball heads, and the second graduations (439) are arranged on the two spring rods (436).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310433705.1A CN116499387B (en) | 2023-04-21 | 2023-04-21 | Photographic measurement device for remote micro-deformation monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310433705.1A CN116499387B (en) | 2023-04-21 | 2023-04-21 | Photographic measurement device for remote micro-deformation monitoring |
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| CN116499387A true CN116499387A (en) | 2023-07-28 |
| CN116499387B CN116499387B (en) | 2024-01-05 |
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| CN202310433705.1A Active CN116499387B (en) | 2023-04-21 | 2023-04-21 | Photographic measurement device for remote micro-deformation monitoring |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2097938A (en) * | 1981-05-05 | 1982-11-10 | Standard Telephones Cables Ltd | Bending test for flexi-rigid printed circuit boards |
| US5184217A (en) * | 1990-08-02 | 1993-02-02 | Doering John W | System for automatically inspecting a flat sheet part |
| CN1645041A (en) * | 2005-01-04 | 2005-07-27 | 华南理工大学 | Axial workpiece bending deformed planar array CCD measuring method and apparatus |
| KR100744472B1 (en) * | 2006-02-02 | 2007-08-01 | 주식회사 엔씨비네트웍스 | Automatic optical inspection |
| KR20120084699A (en) * | 2012-06-12 | 2012-07-30 | 손규만 | Apparatus for measuring tunnel convergence displacements |
| JP2014232050A (en) * | 2013-05-29 | 2014-12-11 | 大成建設株式会社 | Bending deformation amount measurement method and bending deformation amount measurement device |
| CN111692957A (en) * | 2020-06-22 | 2020-09-22 | 南通科达建材股份有限公司 | Whole deflection detection device of assembled building |
| KR102287282B1 (en) * | 2020-12-16 | 2021-08-09 | 한전케이피에스 주식회사 | Apparatus and method for measuring funnel deformation of reactor vessel head |
| CN213933139U (en) * | 2021-01-13 | 2021-08-10 | 黑龙江工程学院 | Retreaded tire deformation detection device |
| CN215725739U (en) * | 2021-06-30 | 2022-02-01 | 嘉善迈超滑动轴承材料有限公司 | Detection equipment for high-bearing sliding bearing |
| CN114199155A (en) * | 2021-12-09 | 2022-03-18 | 湖北文理学院 | Locomotive frame pull rod seat deformation measurement platform and method based on machine vision |
| CN114252331A (en) * | 2021-11-19 | 2022-03-29 | 中国建筑第八工程局有限公司 | Method for measuring bending deflection of compression bar test |
| CN114322835A (en) * | 2022-01-05 | 2022-04-12 | 吉林大学 | Device and method for detecting curvature of automobile skylight glass |
| CN216925486U (en) * | 2022-03-04 | 2022-07-08 | 新乡市中智重工机械设备有限公司 | Section steel bending mechanism based on vision measurement |
| WO2023029766A1 (en) * | 2021-09-03 | 2023-03-09 | 苏州天准科技股份有限公司 | Epi-illumination light source having adjustable diameter and image measuring instrument |
-
2023
- 2023-04-21 CN CN202310433705.1A patent/CN116499387B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2097938A (en) * | 1981-05-05 | 1982-11-10 | Standard Telephones Cables Ltd | Bending test for flexi-rigid printed circuit boards |
| US5184217A (en) * | 1990-08-02 | 1993-02-02 | Doering John W | System for automatically inspecting a flat sheet part |
| CN1645041A (en) * | 2005-01-04 | 2005-07-27 | 华南理工大学 | Axial workpiece bending deformed planar array CCD measuring method and apparatus |
| KR100744472B1 (en) * | 2006-02-02 | 2007-08-01 | 주식회사 엔씨비네트웍스 | Automatic optical inspection |
| KR20120084699A (en) * | 2012-06-12 | 2012-07-30 | 손규만 | Apparatus for measuring tunnel convergence displacements |
| JP2014232050A (en) * | 2013-05-29 | 2014-12-11 | 大成建設株式会社 | Bending deformation amount measurement method and bending deformation amount measurement device |
| CN111692957A (en) * | 2020-06-22 | 2020-09-22 | 南通科达建材股份有限公司 | Whole deflection detection device of assembled building |
| KR102287282B1 (en) * | 2020-12-16 | 2021-08-09 | 한전케이피에스 주식회사 | Apparatus and method for measuring funnel deformation of reactor vessel head |
| CN213933139U (en) * | 2021-01-13 | 2021-08-10 | 黑龙江工程学院 | Retreaded tire deformation detection device |
| CN215725739U (en) * | 2021-06-30 | 2022-02-01 | 嘉善迈超滑动轴承材料有限公司 | Detection equipment for high-bearing sliding bearing |
| WO2023029766A1 (en) * | 2021-09-03 | 2023-03-09 | 苏州天准科技股份有限公司 | Epi-illumination light source having adjustable diameter and image measuring instrument |
| CN114252331A (en) * | 2021-11-19 | 2022-03-29 | 中国建筑第八工程局有限公司 | Method for measuring bending deflection of compression bar test |
| CN114199155A (en) * | 2021-12-09 | 2022-03-18 | 湖北文理学院 | Locomotive frame pull rod seat deformation measurement platform and method based on machine vision |
| CN114322835A (en) * | 2022-01-05 | 2022-04-12 | 吉林大学 | Device and method for detecting curvature of automobile skylight glass |
| CN216925486U (en) * | 2022-03-04 | 2022-07-08 | 新乡市中智重工机械设备有限公司 | Section steel bending mechanism based on vision measurement |
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