CN113251924A - Self-maintenance structured light three-dimensional measuring equipment - Google Patents
Self-maintenance structured light three-dimensional measuring equipment Download PDFInfo
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- CN113251924A CN113251924A CN202110562104.1A CN202110562104A CN113251924A CN 113251924 A CN113251924 A CN 113251924A CN 202110562104 A CN202110562104 A CN 202110562104A CN 113251924 A CN113251924 A CN 113251924A
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- 238000012423 maintenance Methods 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000006073 displacement reaction Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 230000008531 maintenance mechanism Effects 0.000 claims description 19
- 230000000670 limiting effect Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000013459 approach Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to the technical field of optical detection, and particularly relates to a self-maintenance structured light three-dimensional measuring device, which comprises: the measuring mechanism is used for structured light three-dimensional measurement and also comprises an object stage, a support column, a fixed support and cameras, wherein the object stage is horizontally and fixedly arranged, the lower end of the support column is fixedly arranged on the upper surface of the object stage, the upper end of the support column is fixedly connected with the fixed support, and the three cameras are all arranged on the fixed support; the displacement mechanism is used for changing the maintenance position of the camera and comprises a displacement motor, a first belt pulley, a belt, a second belt pulley, a C-shaped support, a fixing plate, a lead screw, a moving block and a sliding rod, wherein the displacement motor is fixedly installed on the objective table. According to the invention, the cleaning water can be sprayed to the mirror surface of the camera through the spray head, the brush plate rotates simultaneously, the mirror surface is scrubbed through the sponge block, manual operation is not needed, the automation degree is high, and the cleaning and maintenance effects are good.
Description
Technical Field
The invention belongs to the technical field of optical detection, and particularly relates to a self-maintenance structured light three-dimensional measuring device.
Background
The structured light three-dimensional measurement technology is continuously developed and matured day by day, the structured light three-dimensional measurement equipment is gradually commercialized, and the structured light three-dimensional measurement equipment has the great advantages that a measured object can be rapidly scanned, high-precision scanning point cloud data can be directly obtained without a reflecting prism, three-dimensional modeling and virtual reproduction of the real world are efficiently realized, and the structured light three-dimensional measurement equipment is widely applied to the fields of digital protection of cultural relics, civil engineering, industrial measurement, natural disaster investigation, digital urban terrain visualization, urban and rural planning and the like.
Structured light three-dimensional measuring equipment is when using, easily be infected with the dust spot on the mirror surface of its camera, thereby cause the influence to the camera collection image, consequently need clean the maintenance often, in order to guarantee three-dimensional measuring accuracy, current structured light three-dimensional measuring equipment does not possess automatic maintenance's function, when using, often need the manual work to maintain, degree of automation is low, not only waste time and energy, influence the measurement job progress, and during manual maintenance, because of equipment structure is complicated, the easy problem that results in the camera damage of bumping of appearing wiping, cause great economic loss.
To this end, we propose a structured light three-dimensional measuring device of the self-maintenance type to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a self-maintenance structured light three-dimensional measuring device which has high automation degree and is convenient to maintain, aiming at the problems of low automation degree and inconvenient maintenance.
In order to achieve the purpose, the invention adopts the following technical scheme: a structured light three-dimensional measurement apparatus of a self-maintenance type, comprising:
the measuring mechanism is used for structured light three-dimensional measurement and also comprises an object stage, a support column, a fixed support and cameras, wherein the object stage is horizontally and fixedly arranged, the lower end of the support column is fixedly arranged on the upper surface of the object stage, the upper end of the support column is fixedly connected with the fixed support, and the three cameras are all arranged on the fixed support;
the displacement mechanism is used for changing the maintenance position of the camera and comprises a displacement motor, a first belt pulley, a belt, a second belt pulley, a C-shaped support, two fixing plates, a lead screw, a moving block and a slide bar, wherein the displacement motor is fixedly arranged on the objective table, an output shaft of the displacement motor is coaxially fixed with the first belt pulley and is used for driving the first belt pulley to rotate, the C-shaped support is fixedly arranged on the objective table, the two fixing plates are fixedly connected to the upper surfaces of the two ends of the C-shaped support respectively, the lead screw is coaxially fixed with the second belt pulley and is rotatably connected between the two fixing plates, the lead screw penetrates through the moving block and is in threaded fit with the moving block, the first belt pulley and the second belt pulley are in transmission connection through the belt, the two ends of the slide bar are fixedly connected with the two fixing plates respectively, and the slide bar penetrates through the moving block and, for preventing the moving block from rotating;
the steering mechanism is used for changing the maintenance direction of the camera and further comprises a steering motor, a coupler, a resisting plate, a worm wheel and an L-shaped steering plate, wherein the steering motor and the resisting plate are fixedly arranged on the upper surface of the moving block, an output shaft of the steering motor is coaxially fixed with the worm through the coupler, the worm is rotatably connected to the side wall of the moving block, the worm wheel is fixedly connected to the upper surface of the L-shaped steering plate, the L-shaped steering plate is rotatably connected to the moving block, and the worm is meshed with the worm wheel;
the telescopic mechanism further comprises an air cylinder, a telescopic plate, a mounting plate, limiting rods and springs, wherein the air cylinder is fixedly mounted on the upper surface of the L-shaped steering plate, the telescopic end of the air cylinder penetrates through the side wall of the L-shaped steering plate and is fixedly connected with the side wall of the telescopic plate, one end of each limiting rod is fixedly connected to the side wall of the mounting plate close to one side of the telescopic plate, the other end of each limiting rod penetrates through the telescopic plate and is in sliding connection with the telescopic plate, the springs are sleeved outside the limiting rods, and the two ends of the springs are respectively abutted against the side walls of the telescopic plate and the mounting plate;
the maintenance mechanism is used for maintaining the mirror surface of the camera, and also comprises a negative pressure pump, a water storage tank, a communicating pipe, a control valve, a fixed pipe, a rotating pipe, a branch pipe, a spray head, a brush plate and a sponge block, wherein the negative pressure pump and the water storage tank are both fixedly arranged on the side wall of the mounting plate, the water inlet end of the negative pressure pump is fixedly communicated with the water storage tank through a communicating pipe, the water outlet end of the negative pressure pump is communicated with a fixed pipe, the control valve (504) is arranged on the fixed pipe (505), the fixed pipe penetrates through the mounting plate and is communicated with the rotating pipe in a rotating way, one end of the rotating pipe, which is far away from the mounting plate, is fixedly connected with the middle part of the brush plate, a plurality of branch pipes are fixedly arranged on the side wall of the brush plate, and the cleaning brush is fixedly communicated with the rotating pipe, the spray head is arranged at the other end of the branch pipe, the cleaning fluid is contained in the water storage tank, and the sponge block is arranged on the side wall of the brush plate.
In the above-described self-maintenance type structured light three-dimensional measuring apparatus, the camera is of a type LJ-X8200, and has an X-axis width of 80 mm.
In the above-mentioned self-maintenance type structured light three-dimensional measuring apparatus, two of the cameras are arranged obliquely and intersect with the optical axis of the other camera at a point above the stage, wherein the angle between the optical axes of the two cameras is greater than 20 °.
In the above-described structured light three-dimensional measuring apparatus of the self-maintenance type, the diameter of the second pulley is four times the diameter of the first pulley.
In the self-maintenance structured light three-dimensional measuring device, the thread on the screw rod is a fine thread, and the thread lead angle of the fine thread is smaller than the equivalent friction angle of the screw pair.
In the above-mentioned structured light three-dimensional measuring equipment of self-maintenance type, the one end fixedly connected with stopper that the mounting panel was kept away from to the gag lever post, the stopper supports presses on the lateral wall of expansion plate.
In the self-maintenance structured light three-dimensional measuring equipment, the branch pipe is a bent pipe, and an included angle between one end of the branch pipe connected with the spray head and the surface of the brush plate is 30 degrees.
In the self-maintenance structured light three-dimensional measuring device, the number of the branch pipes is two, the two branch pipes are respectively arranged on the side walls of the two sides of the rotating pipe, and the two branch pipes are arranged in a central symmetry manner by taking the axis of the rotating pipe as the center of a circle.
Compared with the prior art, the self-maintenance structured light three-dimensional measuring equipment has the advantages that:
1. according to the invention, the displacement mechanism is arranged, the displacement motor can drive the screw rod to rotate through the first belt pulley, the belt and the second belt pulley, the moving block can only horizontally move along the slide rod under the limiting action of the slide rod, the screw rod rotates to drive the moving block in threaded fit with the screw rod to horizontally slide, when the measuring mechanism performs structured light three-dimensional measurement, the displacement motor can drive the moving block to move to the fixed plate, so that the influence on measurement is avoided, and when maintenance is required, the displacement motor can drive the moving block to move to each camera, so that the maintenance operation is performed on the mirror surface of the camera.
2. According to the invention, the steering mechanism is arranged, the steering motor drives the worm to rotate, the worm drives the worm wheel meshed with the worm to rotate, and then the L-shaped steering plate can be driven to rotate, so that the maintenance mechanism can be opposite to the mirror surface of the camera, manual adjustment is not needed, and the cleaning effect of the mirror surface of the camera is ensured.
3. According to the invention, the telescopic mechanism is arranged, and the mounting plate can be driven to approach the mirror surface of the camera through the air cylinder, so that the maintenance mechanism approaches and clings to the mirror surface of the camera, and the cleaning effect on the mirror surface of the camera is further ensured.
4. According to the invention, the maintenance mechanism is arranged, when the negative pressure pump works, the cleaning liquid in the water storage tank sequentially passes through the communicating pipe, the fixed pipe, the rotating pipe and the branch pipes, and is finally sprayed onto the mirror surface of the camera by the spray head to wash dust and stains on the mirror surface, when the cleaning liquid is sprayed out of each branch pipe, a reverse acting force is provided for the branch pipe to drive the brush plate to rotate by taking the axis of the rotating pipe as the center of a circle, and then the mirror surface of the camera is cleaned simultaneously through the sponge block, so that the manual operation is not needed, the automation degree is high, and the cleaning and maintenance effects are good.
Drawings
FIG. 1 is a schematic structural diagram of a measuring mechanism and a displacement mechanism of a self-maintenance structured light three-dimensional measuring device provided by the invention;
FIG. 2 is a schematic structural diagram of a steering mechanism and a telescoping mechanism of a self-maintenance structured light three-dimensional measuring device provided by the invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a perspective view of an L-shaped deflector of a self-maintenance structured light three-dimensional measuring device provided by the present invention;
fig. 5 is a schematic structural diagram of a maintenance mechanism of a self-maintenance structured light three-dimensional measurement device provided by the invention.
In the figure, 1 is a measuring mechanism, 101 is an object stage, 102 is a support, 103 is a fixed support, and 104 is a camera;
2 displacement mechanism, 201 displacement motor, 202 first belt pulley, 203 belt, 204 second belt pulley, 205C-shaped bracket, 206 fixed plate, 207 lead screw, 208 moving block and 209 sliding rod;
3, a steering mechanism, a 301 steering motor, a 302 coupler, a 303 abutting plate, a 304 worm, a 305 worm wheel and a 306L-shaped steering plate;
4, a telescopic mechanism, a 401 cylinder, a 402 telescopic plate, a 403 mounting plate, a 404 limit rod, a 405 spring and a 406 limit block;
5 maintenance mechanisms, 501 negative pressure pumps, 502 water storage tanks, 503 communicating pipes, 504 control valves, 505 fixed pipes, 506 rotating pipes, 507 branch pipes, 508 spray heads, 509 brush plates and 510 sponge blocks.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1 to 5, a structured light three-dimensional measuring apparatus of a self-maintenance type includes: a measuring mechanism 1 for structured light three-dimensional measurement; a displacement mechanism 2 for changing a maintenance position of the camera 104; a steering mechanism 3 for changing a maintenance direction of the camera 104; the telescopic mechanism 4 is used for ensuring the maintenance effect on the measuring equipment; and a maintenance mechanism 5 for performing maintenance on the mirror surface of the camera 104.
Specifically, the measuring mechanism 1 further comprises an object stage 101, a support column 102, a fixed support 103 and a camera 104, wherein the object stage 101 is horizontally and fixedly arranged, the lower end of the support column 102 is fixedly arranged on the upper surface of the object stage 101, and the upper end of the support column 102 is fixedly connected with the fixed support 103;
three cameras 104 are mounted on the fixed support 103, it should be noted that the camera 104 is of the type LJ-X8200, and the X-axis width thereof is 80mm, and it should be noted that two of the cameras 104 are disposed obliquely and intersect the optical axis of the other camera 104 at a point above the stage 101, and the angle between the optical axes of the two cameras 104 is greater than 120 °.
Specifically, the displacement mechanism 2 includes a displacement motor 201, a first belt pulley 202, a belt 203, a second belt pulley 204, a C-shaped bracket 205, a fixed plate 206, a lead screw 207, a moving block 208 and a sliding rod 209, wherein the displacement motor 201 is fixedly mounted on the stage 101, the model of the displacement motor is M5200, an output shaft of the displacement motor 201 is coaxially fixed with the first belt pulley 202 and is used for driving the first belt pulley 202 to rotate, the C-shaped bracket 205 is fixedly mounted on the stage 101, and the fixed plate 206 has two blocks and is respectively and fixedly connected to the upper surfaces of two ends of the C-shaped bracket 205;
the screw rod 207 is coaxially fixed with the second belt pulley 204 and is rotatably connected between the two fixing plates 206, the screw rod 207 penetrates through the moving block 208 and is in threaded fit with the moving block 208, it is worth mentioning that the thread on the screw rod 207 is a fine thread, the thread lead angle of the screw rod 207 is smaller than the equivalent friction angle of the screw pair, the moving block 208 is ensured to stably move on the screw rod 207, the first belt pulley 202 is in transmission connection with the second belt pulley 204 through the belt 203, and it needs to be noted that the diameter of the second belt pulley 204 is four times of the diameter of the first belt pulley 202, so that the rotating speed of the screw rod 207 can be effectively reduced, and the design requirement of the system is;
the two ends of the sliding rod 209 are respectively fixedly connected with the two fixing plates 206, and the sliding rod 209 penetrates through the moving block 208 and is connected with the moving block 208 in a sliding manner for preventing the moving block 208 from rotating.
When the device works, the displacement motor 201 can drive the screw rod 207 to rotate through the first belt pulley 202, the belt 203 and the second belt pulley 204, under the limiting action of the sliding rod 209, the moving block 208 can only horizontally move along the sliding rod 209, and then the screw rod 207 rotates to drive the moving block 208 in threaded fit with the screw rod to horizontally slide.
Specifically, the steering mechanism 3 further comprises a steering motor 301, a coupler 302, a resisting plate 303, a worm 304, a worm wheel 305 and an L-shaped steering plate 306, wherein the steering motor 301 and the resisting plate 303 are fixedly mounted on the upper surface of the moving block 208, an output shaft of the steering motor 301 is coaxially fixed with the worm 304 through the coupler 302, the worm 304 is rotatably connected to the side wall of the moving block 208, and the model number of the steering motor 301 is 57BLY 55;
the worm wheel 305 is fixedly connected to the upper surface of the L-shaped steering plate 306, the L-shaped steering plate 306 is rotatably connected to the moving block 208, and the worm 304 is meshed with the worm wheel 305.
During operation, the steering motor 301 drives the worm 304 to rotate, the worm 304 drives the worm wheel 305 engaged with the worm 304 to rotate, and then the L-shaped steering plate 306 can be driven to rotate, so that the maintenance mechanism 5 can be opposite to the mirror surface of the camera 104, manual adjustment is not needed, and the cleaning effect on the mirror surface of the camera 104 is ensured.
Specifically, the telescopic mechanism 4 further comprises an air cylinder 401, a telescopic plate 402, a mounting plate 403, a limiting rod 404 and a spring 405, wherein the air cylinder 401 is fixedly mounted on the upper surface of the L-shaped steering plate 306, the model of the air cylinder 401 is SC-32, and the telescopic end of the air cylinder 401 penetrates through the side wall of the L-shaped steering plate 306 and is fixedly connected with the side wall of the telescopic plate 402;
one end fixed connection of four gag lever posts 404 runs through the expansion plate 402 and with expansion plate 402 sliding connection on the lateral wall that mounting panel 403 is close to expansion plate 402 one side, the other end, spring 405 cover is established outside gag lever post 404, and the both ends of spring 405 support respectively and press on the lateral wall of expansion plate 402 and mounting panel 403, it needs to be noted that, the one end fixedly connected with stopper 406 of mounting panel 403 is kept away from to gag lever post 404, stopper 406 supports and presses on the lateral wall of expansion plate 402, prevent gag lever post 404 slippage from in expansion plate 402.
During operation, the cylinder 401 can drive the mounting plate 403 to approach the mirror surface of the camera 104, so that the maintenance mechanism 5 approaches and clings to the mirror surface of the camera 104, and the cleaning effect on the mirror surface of the camera 104 is further ensured.
Specifically, the maintenance mechanism 5 further includes a negative pressure pump 501, a water storage tank 502, a communicating pipe 503, a control valve 504, a fixed pipe 505, a rotating pipe 506, a branch pipe 507, a spray head 508, a brush plate 509 and a sponge block 510, wherein the negative pressure pump 501 and the water storage tank 502 are both fixedly mounted on the side wall of the mounting plate 403, the water inlet end of the negative pressure pump 501 is fixedly communicated with the water storage tank 502 through the communicating pipe 503, the water outlet end of the negative pressure pump 501 is communicated with the fixed pipe 505, and the control valve 504 is mounted on the fixed pipe 505;
the fixed pipe 505 penetrates through the mounting plate 403 and is in rotary communication with the rotary pipe 506, one end of the rotary pipe 506, which is far away from the mounting plate 403, is fixedly connected with the middle part of the brush plate 509, a plurality of branch pipes 507 are fixedly mounted on the side wall of the brush plate 509 and are fixedly communicated with the rotary pipe 506, the spray head 508 is mounted at the other end of the branch pipes 507, cleaning liquid is contained in the water storage tank 502, sponge blocks 510 are arranged on the side wall of the brush plate 509, it needs to be described that the branch pipes 507 are bent pipes, an included angle between one end of each branch pipe 507, which is connected with the spray head 508, and the plate surface of the brush plate 509 is 30 degrees, the branch pipes 507 are provided with two groups, the two groups of branch pipes 507 are respectively mounted on the side walls on two sides of the rotary pipe 506, and the two groups of branch pipes 507 are arranged in central symmetry by taking the axis of the rotary pipe 506 as the center.
During operation, the negative pressure pump 501 is started, cleaning liquid in the water storage tank 502 sequentially passes through the communicating pipe 503, the fixed pipe 505, the rotating pipe 506 and the branch pipes 507, and is finally sprayed onto the mirror surface of the camera 104 through the spray head 508 to wash dust stains on the mirror surface, when the cleaning liquid is sprayed out from each branch pipe 507, a reverse acting force is provided for the branch pipe 507, the brush plate 509 is driven to rotate by taking the axis of the rotating pipe 506 as the center of a circle, then the mirror surface of the camera 104 is cleaned simultaneously through the sponge block 510, manual operation is not needed, the automation degree is high, and the cleaning and maintenance effects are good.
The working principle of the invention is as follows: when the mirror surface of the camera 104 needs to be cleaned and maintained, the displacement motor 201 is started to drive the first belt pulley 202 to rotate, because the diameter of the second belt pulley 204 is four times of that of the first belt pulley 202, the first belt pulley 202 drives the second belt pulley 204 to rotate at a slower speed through the belt 203, the second belt pulley 204 drives the lead screw 207 coaxially fixed with the second belt pulley to rotate, and under the limiting action of the slide bar 209, the moving block 208 slides along the axial direction of the slide bar 209 and sequentially moves to the camera 104;
the rotating motor 301 is started, the worm 304 is driven to rotate through the coupler 302, and then the worm wheel 305 meshed with the worm is driven to rotate, the worm wheel 305 drives the L-shaped steering plate 306 to rotate, so that the brush plate 509 is opposite to the mirror surface of the camera 104, the air cylinder 401 is started, the mounting plate 403 is driven to approach the mirror surface of the camera 104, the sponge block 510 is pressed on the mirror surface of the camera 104, and the cleaning and maintenance effects on the mirror surface of the camera 104 are guaranteed;
the negative pressure pump 501 is started to pump out the cleaning liquid in the water storage tank 502, the cleaning liquid passes through the communicating pipe 503, the fixed pipe 505, the rotating pipe 506 and the branch pipes 507 in sequence, and is finally sprayed onto the mirror surface of the camera 104 through the spray head 508 to wash dust and stains on the mirror surface, when the cleaning liquid is sprayed out of each branch pipe 507, a reverse acting force is provided for the branch pipe 507 to drive the brush plate 509 to rotate (the rotating direction is shown as an arrow in fig. 5) by taking the axis of the rotating pipe 506 as a circle center, and then the mirror surface of the camera 104 is cleaned simultaneously through the sponge block 510, so that manual operation is not needed, the automation degree is high, and the cleaning and maintenance effects are good;
after the three cameras 104 are sequentially cleaned and maintained, the displacement motor 201 rotates reversely to drive the moving block 208 to move reversely to one side of the fixed plate 206 and then stop, and therefore the influence on the structured light three-dimensional measurement work of the cameras 104 is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A structured light three-dimensional measurement device of a self-maintenance type, comprising: a measuring mechanism (1), a displacement mechanism (2), a steering mechanism (3), a telescopic mechanism (4) and a maintenance mechanism (5), wherein the measuring mechanism (1) is horizontally and fixedly arranged, the device is used for structured light three-dimensional measurement, a displacement mechanism (2) for horizontally moving a maintenance mechanism (5) is arranged on the measurement mechanism (1), so that the maintenance mechanism (5) can sequentially carry out multi-directional maintenance on the measuring mechanism (1), the displacement mechanism (2) is provided with a steering mechanism (3) for steering the maintenance mechanism (5), so that the maintenance mechanism (5) is just opposite to the measuring mechanism (1), the steering mechanism (3) is provided with a telescopic mechanism (4) for pushing the maintenance mechanism (5) to stretch, so that the maintenance mechanism (5) is tightly attached to the measuring mechanism (1), and a maintenance mechanism (5) for maintaining the measuring mechanism (1) is fixedly arranged on the telescopic mechanism (4).
2. The self-maintenance structured light three-dimensional measuring apparatus according to claim 1, wherein the measuring mechanism (1) further comprises an object stage (101), a support (102), a fixed support (103) and a camera (104), wherein,
the object stage (101) is horizontally and fixedly arranged,
the lower end of the strut (102) is fixedly arranged on the upper surface of the objective table (101), the upper end is fixedly connected with the fixed bracket (103),
the three cameras (104) are all arranged on the fixed support (103).
3. The self-maintenance structured light three-dimensional measuring device according to claim 2, wherein two of the cameras (104) are arranged obliquely and intersect the optical axis of the other camera (104) at a point above the stage (101), wherein the angle between the optical axes of the two cameras (104) is greater than 120 °.
4. The self-maintenance structured light three-dimensional measurement device according to claim 2, wherein the displacement mechanism (2) further comprises a displacement motor (201), a first pulley (202), a belt (203), a second pulley (204), a C-shaped bracket (205), a fixed plate (206), a lead screw (207), a moving block (208) and a sliding bar (209), wherein,
the displacement motor (201) is fixedly arranged on the object stage (101), and an output shaft of the displacement motor (201) is coaxially fixed with the first belt pulley (202) and is used for driving the first belt pulley (202) to rotate,
the C-shaped bracket (205) is fixedly arranged on the object stage (101), two fixing plates (206) are arranged and are respectively and fixedly connected with the upper surfaces of two ends of the C-shaped bracket (205),
the screw rod (207) and the second belt pulley (204) are coaxially fixed and are rotatably connected between the two fixing plates (206), the screw rod (207) penetrates through the moving block (208) and is in threaded fit with the moving block (208), the first belt pulley (202) and the second belt pulley (204) are in transmission connection through a belt (203),
the two ends of the sliding rod (209) are respectively fixedly connected with the two fixing plates (206), and the sliding rod (209) penetrates through the moving block (208) and is in sliding connection with the moving block (208) to prevent the moving block (208) from rotating.
5. A self-maintenance structured light three-dimensional measuring apparatus according to claim 4, wherein the diameter of the second pulley (204) is four times the diameter of the first pulley (202).
6. The self-maintenance structured light three-dimensional measuring device according to claim 4, wherein the turning mechanism (3) further comprises a turning motor (301), a coupling (302), a butt plate (303), a worm (304), a worm wheel (305) and an L-shaped turning plate (306), wherein,
the steering motor (301) and the abutting plate (303) are fixedly arranged on the upper surface of the moving block (208), an output shaft of the steering motor (301) is coaxially fixed with the worm (304) through the coupler (302), the worm (304) is rotatably connected to the side wall of the moving block (208),
the worm wheel (305) is fixedly connected to the upper surface of an L-shaped steering plate (306), the L-shaped steering plate (306) is rotatably connected to the moving block (208), and the worm (304) is meshed with the worm wheel (305).
7. The self-maintenance structured light three-dimensional measuring device according to claim 6, wherein the telescoping mechanism (4) further comprises a cylinder (401), a telescoping plate (402), a mounting plate (403), a stop bar (404), and a spring (405), wherein,
the air cylinder (401) is fixedly arranged on the upper surface of the L-shaped steering plate (306), the telescopic end of the air cylinder (401) penetrates through the side wall of the L-shaped steering plate (306) and is fixedly connected with the side wall of the telescopic plate (402),
four one end fixed connection of gag lever post (404) is on mounting panel (403) is close to the lateral wall of expansion plate (402) one side, and the other end runs through expansion plate (402) and with expansion plate (402) sliding connection, spring (405) cover is established outside gag lever post (404) to the both ends of spring (405) support respectively and press on the lateral wall of expansion plate (402) and mounting panel (403).
8. The self-maintenance structured light three-dimensional measurement device according to claim 7, wherein a limiting block (406) is fixedly connected to an end of the limiting rod (404) far away from the mounting plate (403), and the limiting block (406) is pressed against a side wall of the expansion plate (402).
9. The structured light three-dimensional measuring apparatus of self-maintenance type according to claim 7, wherein said maintenance mechanism (5) further comprises a negative pressure pump (501), a water reservoir (502), a communicating pipe (503), a control valve (504), a fixed pipe (505), a rotating pipe (506), a branch pipe (507), a shower head (508), a brush plate (509), and a sponge block (510), wherein,
the negative pressure pump (501) and the water storage tank (502) are both fixedly arranged on the side wall of the mounting plate (403), the water inlet end of the negative pressure pump (501) is fixedly communicated with the water storage tank (502) through a communicating pipe (503), the water outlet end of the negative pressure pump (501) is communicated with a fixed pipe (505), the control valve (504) is arranged on the fixed pipe (505),
fixed pipe (505) run through mounting panel (403) and rotate the intercommunication with rotating tube (506), the one end that mounting panel (403) were kept away from in rotating tube (506) and the middle part fixed connection of brush board (509), many branch pipe (507) fixed mounting is on the lateral wall of brush board (509) to all with rotating tube (506) fixed intercommunication, the other end at branch pipe (507) is installed in shower nozzle (508), the splendid attire has the washing liquid in water storage tank (502), be equipped with sponge piece (510) on the lateral wall of brush board (509).
10. The self-maintenance structured light three-dimensional measuring device according to claim 9, wherein the branch pipes (507) are bent pipes, an included angle between one end of each branch pipe (507) connected with the spray head (508) and the surface of the brush plate (509) is 30 degrees, the branch pipes (507) are divided into two groups, the two groups of branch pipes (507) are respectively arranged on the side walls of the two sides of the rotating pipe (506), and the two groups of branch pipes (507) are arranged in a central symmetry mode by taking the axis of the rotating pipe (506) as a circle center.
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