CN205228394U - Car appearance measurement system raster pattern distortion coefficient measuring apparatu - Google Patents
Car appearance measurement system raster pattern distortion coefficient measuring apparatu Download PDFInfo
- Publication number
- CN205228394U CN205228394U CN201521095416.2U CN201521095416U CN205228394U CN 205228394 U CN205228394 U CN 205228394U CN 201521095416 U CN201521095416 U CN 201521095416U CN 205228394 U CN205228394 U CN 205228394U
- Authority
- CN
- China
- Prior art keywords
- measurement system
- guide rail
- raster pattern
- groove
- pattern distortion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a car appearance measurement system raster pattern distortion coefficient measuring apparatu aims at solving car appearance measurement system camera distortion coefficient measuring problem. Car appearance measurement system raster pattern distortion coefficient measuring apparatu is mainly by square steelframe (1), grating chi (2), V type draw -in groove (3), steel wire (4) are constituteed with guide rail bottom plate (6), drawing through adjustment V type draw -in groove (3) control steel wire (4), make the steel wire image in the distortion image become straight line originally, displacement according to V type draw -in groove (3) obtains distortion coefficient, which has the advantages of simple structure, and high detection precision, simple operation, easy installation, and lower cost, the car appearance measurement system raster pattern distortion coefficient measuring apparatu of dependable performance.
Description
Technical field
The utility model relates to a kind of calibration equipment of checkout equipment of auto industry field, and in particular, it relates to a kind of automobile shape measurement system raster pattern distortion factor measuring instrument.
Background technology
Because the imaging model that car body Shap feature detection system is desirable is linear, but because camera lens exists nonlinear distortion, pixel in the image of actual acquisition and the pixel of ideal image can not one_to_one corresponding, the profile of object, shape can bend change, this will reduce measuring accuracy, affect the three-dimensional reconstruction of car body.Current employing processes the image generated, and the distortion parameter model calibrating video camera is more complicated, and calculated amount is larger.Therefore, the technical progress of a kind of easy automobile shape measurement system scale-type distortion factor measuring instrument to auto industry detection field is designed significant.
Summary of the invention
The utility model at present cannot the present situation of easy measured automobiles car body Shap feature detection system camera lens model distortion factor, provide that a kind of structure is simple, accuracy of detection is high, cumulative errors is little, function is complete, easy and simple to handle, be easy to installation, highly versatile, cost met automotive check industry that is lower, dependable performance carry out car body Shap feature detection system examining and determine the automobile shape measurement system raster pattern distortion factor measuring instrument required.
Consult Fig. 1 to Fig. 5, for solving the problems of the technologies described above, the utility model adopts following technical scheme to be achieved.Automobile shape measurement system raster pattern distortion factor measuring instrument provided by the utility model includes square steelframe, grating scale, V-type draw-in groove, steel wire and guide rail base plate.
The bottom surface of guide rail base plate and the bottom surface of square steelframe coplanar, the two ends of guide rail base plate are welded on the middle part of square steelframe two opposite flanks respectively, the guide rail of grating scale is placed on the end face of guide rail base plate and arranging threaded hole screw thread and be fixedly connected with of equidistantly processing with the end face of guide rail base plate, two steel wires are each passed through the V-type groove bottom two V-type draw-in grooves, four threaded hole screw threads of four counter sinks and two slide block upper surfaces in grating scale that four sunk screws are each passed through two V-type draw-in grooves are fixedly connected with, two steel wires contact with the V-type groove wringing fit bottom two V-type draw-in grooves, the two ends of two steel wires are welded on the both sides of square steelframe inside surface respectively, two steel wires are parallel to each other.
Square steelframe described in technical scheme is the rectangular frame of four square steel welding.
Guide rail base plate described in technical scheme is processed into by thin rectangular shape steel plate, and the end face of guide rail base plate equidistantly processes row's threaded hole.
Grating scale described in technical scheme is canonical measure grating scale.
V-type draw-in groove described in technical scheme is made up of rectangle bloom, a rectangle bloom lower surface central authorities processing V-type groove, rectangle bloom upper surface two ends symmetrical machining two counter sinks.
The beneficial effects of the utility model are:
(1) the utility model utilizes grating scale to regulate and record steel wire is become the distance of movement needed for straight line in imaging from curve, thus the distortion factor of acquisition car body Shap feature detection system video camera, reduces cost and method of operating is easy.
(2) critical part of the present utility model adopts standard steel section to process, and first, standard steel section output is large, and machining operation is few, and production cost is lower; Secondly, as the important accessory of surveying instrument, adopt standard steel section to have certain intensity, can be indeformable in Long-Time Service, ensure the precision measured, the requirement of national standard to measuring accuracy can be met.
Accompanying drawing explanation
Fig. 1 is the left axonometric drawing of automobile shape measurement system raster pattern distortion factor measuring instrument;
Fig. 2 is the right axonometric drawing of automobile shape measurement system raster pattern distortion factor measuring instrument;
Fig. 3 is the shaft side figure of square steelframe 1, grating scale 2, steel wire 4, guide rail base plate 6 in automobile shape measurement system raster pattern distortion factor measuring instrument;
Fig. 4 is the partial sectional view containing square steelframe 1, grating scale 2, V-type draw-in groove 3, steel wire 4, guide rail base plate 6 in automobile shape measurement system raster pattern distortion factor measuring instrument;
Fig. 5 is the shaft side figure of V-type draw-in groove 3 in automobile shape measurement system raster pattern distortion factor measuring instrument;
In figure: 1. square steelframe, 2. grating scale, 3.V type draw-in groove, 4. steel wire, 6. guide rail base plate.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Consult Fig. 1 to Fig. 5, automobile shape measurement system raster pattern distortion factor measuring instrument includes square steelframe 1, grating scale 2, V-type draw-in groove 3, steel wire 4 and guide rail base plate 6.
Square steelframe 1 is the rectangular frame of four square steel welding, guide rail base plate 6 is processed into by thin rectangular shape steel plate, the bottom surface of guide rail base plate 6 and the bottom surface of square steelframe 1 coplanar, the two ends of guide rail base plate 6 are welded on the middle part of square steelframe 1 two opposite flanks respectively, and the end face of guide rail base plate 6 equidistantly processes row's threaded hole.
Grating scale 2 is canonical measure grating scale, and the guide rail of grating scale 2 is placed on the end face of guide rail base plate 6 and arranging threaded hole screw thread and be fixedly connected with of equidistantly processing with the end face of guide rail base plate 6.
V-type draw-in groove 3 is made up of rectangle bloom, a rectangle bloom lower surface central authorities processing V-type groove, rectangle bloom upper surface two ends symmetrical machining two counter sinks, two steel wires 4 are each passed through the V-type groove bottom two V-type draw-in grooves 3, four threaded hole screw threads of four counter sinks and two slide block upper surfaces in grating scale 2 that four sunk screws are each passed through two V-type draw-in grooves 3 are fixedly connected with, two steel wires 4 contact with the V-type groove wringing fit bottom two V-type draw-in grooves 3, the two ends of two steel wires 4 are welded on the both sides of square steelframe 1 inside surface respectively, and two steel wires 4 are parallel to each other.
The using method of automobile shape measurement system raster pattern distortion factor measuring instrument: by the video camera of square steelframe 1 towards automobile shape measurement system, utilize grating scale 2 that steel wire 4 is stretched, the image of steel wire 4 on the square steelframe 1 of camera acquisition of automobile shape measurement system, when in the image of camera acquisition, steel wire 4 is straight line, stop moving grating chi 2, the displacement of record grating scale 2 now movement, evaluates the distortion factor of automobile shape measurement system video camera according to the size of displacement.
Claims (5)
1. an automobile shape measurement system raster pattern distortion factor measuring instrument, it is characterized in that, described automobile shape measurement system raster pattern distortion factor measuring instrument is made up of with guide rail base plate (6) square steelframe (1), grating scale (2), V-type draw-in groove (3), steel wire (4);
The bottom surface of guide rail base plate (6) and the bottom surface of square steelframe (1) coplanar, the two ends of guide rail base plate (6) are welded on the middle part of square steelframe (1) two opposite flank respectively, the guide rail of grating scale (2) is placed on the end face of guide rail base plate (6) and arranging threaded hole screw thread and be fixedly connected with of equidistantly processing with the end face of guide rail base plate (6), two steel wires (4) are each passed through the V-type groove of two V-type draw-in groove (3) bottoms, four counter sinks that four sunk screws are each passed through two V-type draw-in grooves (3) are fixedly connected with four threaded hole screw threads of two slide block upper surfaces in grating scale (2), two steel wires (4) contact with the V-type groove wringing fit of two V-type draw-in groove (3) bottoms, the two ends of two steel wires (4) are welded on the both sides of square steelframe (1) inside surface respectively, two steel wires (4) are parallel to each other.
2., according to automobile shape measurement system raster pattern distortion factor measuring instrument according to claim 1, it is characterized in that described square steelframe (1) is the rectangular frame of four square steel welding.
3. according to automobile shape measurement system raster pattern distortion factor measuring instrument according to claim 1, it is characterized in that described guide rail base plate (6) is processed into by thin rectangular shape steel plate, the end face of guide rail base plate (6) equidistantly processes row's threaded hole.
4., according to automobile shape measurement system raster pattern distortion factor measuring instrument according to claim 1, it is characterized in that described grating scale (2) is canonical measure grating scale.
5. according to automobile shape measurement system raster pattern distortion factor measuring instrument according to claim 1, it is characterized in that described V-type draw-in groove (3) is made up of rectangle bloom, a rectangle bloom lower surface central authorities processing V-type groove, rectangle bloom upper surface two ends symmetrical machining two counter sinks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095416.2U CN205228394U (en) | 2015-12-24 | 2015-12-24 | Car appearance measurement system raster pattern distortion coefficient measuring apparatu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095416.2U CN205228394U (en) | 2015-12-24 | 2015-12-24 | Car appearance measurement system raster pattern distortion coefficient measuring apparatu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228394U true CN205228394U (en) | 2016-05-11 |
Family
ID=55903451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521095416.2U Withdrawn - After Issue CN205228394U (en) | 2015-12-24 | 2015-12-24 | Car appearance measurement system raster pattern distortion coefficient measuring apparatu |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205228394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403171A (en) * | 2015-12-24 | 2016-03-16 | 吉林大学 | Grating type distortion coefficient measurement device of automobile profile measurement system |
-
2015
- 2015-12-24 CN CN201521095416.2U patent/CN205228394U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403171A (en) * | 2015-12-24 | 2016-03-16 | 吉林大学 | Grating type distortion coefficient measurement device of automobile profile measurement system |
| CN105403171B (en) * | 2015-12-24 | 2017-10-03 | 吉林大学 | Automobile shape measurement system raster pattern distortion factor measuring instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9945698B2 (en) | Macro-micro composite grating ruler measuring system and measuring method using same comprising a macro-scale reading module, a micro-scale reading module and a measuring reference line | |
| CN204807049U (en) | Laser gear chamfering profile measuring apparatu based on machine vision guide | |
| CN203249599U (en) | Three-dimensional visual measuring instrument for load deformation of tire | |
| CN102419261B (en) | Automobile wheel positioner TDOF (three degrees of freedom) calibrating system with extended wide-area visual field space | |
| CN205228394U (en) | Car appearance measurement system raster pattern distortion coefficient measuring apparatu | |
| KR101382143B1 (en) | Automated spring stiffness measuring device | |
| CN102914238B (en) | Guide rail rolling way measuring device and method of work thereof | |
| CN105403171A (en) | Grating type distortion coefficient measurement device of automobile profile measurement system | |
| CN105371783A (en) | Scale type distortion coefficient measuring instrument for automobile topography measurement system | |
| CN202149732U (en) | On-line rapid size detection device | |
| CN201837348U (en) | Tool for measuring non-circularity of outer diameter of plastic pipe | |
| CN104677236A (en) | Multifunctional clamp plate | |
| CN202229727U (en) | Three freedom-degree vehicle wheel alignment parameter stereoscopic vision flexible detection system | |
| CN204085459U (en) | A kind of wire insulation layer thickness measuring instrument | |
| CN110631490B (en) | Thread passing and stopping detection device and detection method | |
| CN205228393U (en) | Car appearance measurement system scale formula distortion coefficient measuring apparatu | |
| CN103557790B (en) | Raster image compound method for automatic measurement | |
| CN205228395U (en) | Car appearance measurement system electronic type distortion coefficient measuring apparatu | |
| CN104197849A (en) | Measuring device for thickness of conducting wire insulation layer | |
| CN105352452B (en) | Automobile shape measurement system electronic type distortion factor measuring instrument | |
| CN105423952B (en) | The mechanical distortion factor measuring instrument of automobile shape measurement system | |
| CN204202884U (en) | The T-shaped displacement overall situation verification system of vehicle wheel alignment parameter vision detection system | |
| CN107388928A (en) | A kind of common normal measurement apparatus | |
| CN104006770A (en) | Diameter measuring instrument | |
| CN205246012U (en) | Car appearance measurement system mechanical type distortion coefficient measuring apparatu |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20171003 |