CN204679042U - A kind of solid of revolution bus profile measurer - Google Patents
A kind of solid of revolution bus profile measurer Download PDFInfo
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- CN204679042U CN204679042U CN201520385512.4U CN201520385512U CN204679042U CN 204679042 U CN204679042 U CN 204679042U CN 201520385512 U CN201520385512 U CN 201520385512U CN 204679042 U CN204679042 U CN 204679042U
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Abstract
The utility model provides a kind of solid of revolution bus profile measurer, comprise pedestal, X-axis telecontrol equipment, Y-axis telecontrol equipment, lens assembly and light shield, pedestal is installed on the table, X-axis telecontrol equipment is arranged on pedestal, Y-axis telecontrol equipment and light shield are arranged on the slide unit of X-axis telecontrol equipment, and lens assembly is arranged on the slide block of Y-axis telecontrol equipment.Wherein, pedestal is double-decker, and centre by four vibration isolators separately.X-axis telecontrol equipment is made up of X-axis leading screw, slide unit and two line slideways etc. that grating scale is housed, and Y-axis sportswear is equipped with a pair Y-axis leading screw, slide block, guide rail and grating scale motion module, and these two motion module are arranged on U-shaped seat symmetrically.Each lens assembly comprises and comprises a light source, a camera lens and supporting dust guard.The utility model, in conjunction with corresponding control system and process software, can detect solid of revolution bus profile parameters quickly and accurately, can improve efficiency and the accuracy of detection well.
Description
Technical field
The utility model patent relates to a kind of surveying instrument, particularly relates to a kind of solid of revolution bus profile measurer, for measuring revolving body contour feature and parameter thereof.
Background technology
The feature of solid of revolution bus profile and parameter thereof are to the quality important of this type of part.For thread part, the precision of screw thread determines the connection reliability of thread part, assembly precision and interchangeability, and the spin quality of face quality of screw thread also directly affects the load-bearing capacity of part.Therefore, solid of revolution bus profile is accurately measured fast, obtains its technical parameter, have very important meaning for the production of quality testing and assessment.At present, both at home and abroad to the method mainly contact type measurement method that solid of revolution bus profile physical dimension detects, this detection method metrical error is large, and efficiency is lower, and order has higher technical requirement to testing staff, cannot realize large-scale Aulomatizeted Detect.
Patent CN202869440U, a kind of five axle system solid of revolution measuring instruments, although have similar place with this patent, use optical measuring technique to achieve the non-cpntact measurement of solid of revolution, the utility model has obvious new feature.The first, the utility model adopts snubber base to reduce the impact of vibration on measuring accuracy.The second, the utility model adopts the mode of double-optical path, can reduce the inclined medial error of bus.3rd, what the utility model light source adopted is telecentric lights, and the profile obtaining object after making transmission is more clear and change in size is less.4th, the utility model camera has proofing dust and protecting measure.5th, the utility model structure is relatively simple, can realize the measurement of large scale solid of revolution bus parameter equally, reduce cost.
Summary of the invention
The purpose of this utility model provides that a kind of precision is high, efficiency is high and undamaged solid of revolution bus profile measurer to overcome the deficiencies in the prior art.
The purpose of this utility model is achieved in that and comprises pedestal, X-axis telecontrol equipment, Y-axis telecontrol equipment and lens assembly, described pedestal comprises lower shoe, upper flat plate and four vibration isolators be symmetricly set in the middle of lower shoe and upper flat plate, described X-axis telecontrol equipment comprises the base be arranged on upper flat plate, be arranged on two X-axis guide rails on base, be arranged on two X-axis slide blocks on two X-axis guide rails respectively, be arranged on the slide unit on two X-axis slide blocks, be arranged on the X-axis motor in the middle of two X-axis guide rails, the X-axis leading screw be connected with X-axis motor output shaft and the X-axis feed screw nut be sleeved on X-axis leading screw, described slide unit is also connected with X-axis feed screw nut,
Described Y-axis telecontrol equipment comprises the U-shaped seat be arranged on slide unit, vertically be arranged on the first Y-axis guide rail and the second Y-axis guide rail at U-shaped seat two ends, the web joint being arranged on two Y-axis guide rail upper ends and the y-axis motor be arranged on web joint, output shaft and the first Y-axis leading screw be arranged on the first Y-axis guide rail of y-axis motor are connected, and the first Y-axis leading screw is set with driving pulley through in the part of web joint, second Y-axis guide rail is arranged on the second Y-axis leading screw, and the second Y-axis leading screw is set with driven pulley through in the part of web joint, between driving pulley and driven pulley, Timing Belt is set, first Y-axis leading screw and the second Y-axis leading screw are respectively installed with the first Y-axis nut and the second Y-axis nut, and described first Y-axis nut be arranged on the first Y-axis guide rail and the second Y-axis guide rail respectively with the second Y-axis nut, first Y-axis nut and the second Y-axis nut are fixed with first-phase support and second-phase support respectively,
Described lens assembly is arranged on two camera holders face-to-face, each lens assembly comprises and is arranged on case for lens and cylinder on camera holder, relevant source and camera lens are installed in case for lens, the take-off lever of cylinder is fixed with horizontal stand, the end of horizontal stand is fixed with camera lens lid, and described camera lens lid is positioned at the front end of light source and camera lens, solid of revolution is delivered between two lens assemblies by solid of revolution production line.
The utility model also comprises some architectural features like this:
1. slide unit described in is also provided with the light shield covered by whole Y-axis telecontrol equipment, and described light shield is provided with solid of revolution stretches into hole.
2. light source described in is telecentric lights.
3. X-axis guide rail described in is provided with X-axis grating scale, Y-axis guide rail is provided with Y-axis grating scale.
4. case for lens described in is also provided with sealing gland nozzle.
Compared with prior art, the beneficial effects of the utility model are: the utility model uses Numeric Control Technology, make the kinematic system of measurement mechanism more accurate, and the utility model use acquisition technology, achieve non-cpntact measurement, thus make that measuring accuracy is high, data are many, efficiency is high, not damaged.Specifically, the advantage that the utility model has is: (1) accuracy of detection is high, the utility model adopts Numeric Control Technology, make the kinematic accuracy of measurement mechanism more accurate, adopt optical technology, make measuring accuracy more accurate, adopt snubber base, make the main body of measurement mechanism more stable, decrease the impact of vibration on measuring accuracy, thus improve measuring accuracy; (2) detection efficiency is high, and the utility model is increasingly automated, and the efficiency measured is improved greatly; (3) data are detected many, the utility model detects can develop corresponding algorithm as required, obtains more how required data, and (4) are detected without wearing and tearing, testing process due to this instrument is contactless, does not does not therefore wear and tear to tested part.And the utility model adopts the mode of double-optical path, can reduce the inclined medial error of bus, what light source adopted is telecentric lights, and the profile obtaining object after making transmission is more clear and change in size is less; The utility model camera has proofing dust and protecting measure; The utility model structure is relatively simple, can realize the measurement of large scale solid of revolution bus parameter equally, reduce cost.
Accompanying drawing explanation
Fig. 1 (A) is general structure schematic diagram one (when not having light shield) of the present utility model, and Fig. 1 (B) is general structure schematic diagram two (when having light shield) of the present utility model;
Fig. 2 is the structural representation of base part of the present utility model;
Fig. 3 is the structural representation of X telecontrol equipment part of the present utility model;
Fig. 4 is the structural representation of Y telecontrol equipment part of the present utility model;
Fig. 5 (A) is the structural representation one (when camera lens lid covers light source and camera lens) of lens assembly part of the present utility model, and Fig. 5 (B) is the structural representation two (when case for lens drowning covers light source and camera lens) of lens assembly part of the present utility model;
Fig. 6 is kinetic control system schematic diagram of the present utility model;
Fig. 7 is double-optical path mode schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Composition graphs 1 (A) is to Fig. 5 (B), the utility model comprises pedestal A, X-axis telecontrol equipment B, Y-axis telecontrol equipment C and lens assembly D, described pedestal comprises lower shoe 1, upper flat plate 3 and four vibration isolators 2 be symmetricly set in the middle of lower shoe 1 and upper flat plate 3, described X-axis telecontrol equipment B comprises the base 11 be arranged on upper flat plate 3, two X-axis guide rail 6-1 and 6-2 are on the pedestal 11 installed, be arranged on two X-axis slide blocks on two X-axis guide rails respectively, be arranged on the slide unit 5 on two X-axis slide blocks, be arranged on the X-axis motor 10 in the middle of two X-axis guide rails, the X-axis leading screw 4 be connected with X-axis motor 10 output shaft and the X-axis feed screw nut 30 be sleeved on X-axis leading screw 4, described slide unit 5 is also connected with X-axis feed screw nut 30,
Described Y-axis telecontrol equipment C comprises the U-shaped seat 19 be arranged on slide unit 5, vertically be arranged on the first Y-axis guide rail 16-1 and the second Y-axis guide rail 16-2 at U-shaped seat 19 two ends, the web joint 31 being arranged on two Y-axis guide rail upper ends and the y-axis motor 13 be arranged on web joint 31, output shaft and the first Y-axis leading screw 17-1 be arranged on the first Y-axis guide rail 16-1 of y-axis motor 13 are connected, and the first Y-axis leading screw 17-1 is set with driving pulley 15 through in the part of web joint 31, second Y-axis guide rail 16-2 is arranged on the second Y-axis leading screw 17-2, and the second Y-axis leading screw 17-2 is set with driven pulley 22 through in the part of web joint 31, Timing Belt 21 is set between driving pulley 15 and driven pulley 22, first Y-axis leading screw 17-1 and the second Y-axis leading screw 17-2 is respectively installed with the first Y-axis nut 18-1 and the second Y-axis nut 18-2, and described first Y-axis nut 18-1 be arranged on the first Y-axis guide rail 16-1 and the second Y-axis guide rail 16-2 respectively with the second Y-axis nut 18-2, first Y-axis nut 18-1 and the second Y-axis nut 18-2 is fixed with first-phase support 32-1 and second-phase support 32-2 respectively,
Described lens assembly D is arranged on two camera holder 32-1 and 32-2 face-to-face, each lens assembly D comprises and is arranged on case for lens 26 and cylinder 23 on camera holder, case for lens 26 li installs relevant source 25 and camera lens 24,23 take-off levers of cylinder are fixed with horizontal stand 33, the end of horizontal stand 33 is fixed with camera lens lid 27, and described camera lens lid 27 is positioned at the front end of light source 25 and camera lens 24, solid of revolution is delivered between two lens assemblies by solid of revolution production line.
Described slide unit is also provided with the light shield E covered by whole Y-axis telecontrol equipment C, and described light shield E is provided with solid of revolution stretches into hole 29.
Described light source 25 is telecentric lightses.
Described X-axis guide rail is provided with X-axis grating scale 7, Y-axis guide rail is provided with Y-axis grating scale 20.
Described case for lens is also provided with sealing gland nozzle 28.
Generally speaking, mechanical general structure of the present utility model, as shown in Fig. 1 (A) and Fig. 1 (B), forms primarily of pedestal A, X-axis telecontrol equipment B, Y-axis telecontrol equipment C, lens assembly D and light shield E five part.Pedestal A installs on the table, and X-axis telecontrol equipment B is arranged on pedestal A, and Y-axis telecontrol equipment B and light shield E is arranged on the slide unit of X-axis telecontrol equipment B, and lens assembly D is arranged on Y-axis telecontrol equipment B.
Pedestal A of the present utility model is double-decker, and as shown in Figure 2, centre by four vibration isolators 2 separately.Pedestal A is placed on worktable, and lower shoe 1 is connected by bolt with worktable.Four vibration isolators 2 are distributed in four corners, are fixed by bolts on lower shoe.Upper flat plate 3 is supported by four vibration isolators, and for laying X-axis telecontrol equipment B, also namely pedestal of the present utility model is double-decker, and by four vibration isolators separately, can reduce vibration affects measuring instrument in centre.
X-axis telecontrol equipment B of the present utility model as shown in Figure 3, is made up of X-axis leading screw 4, slide unit 5 and two X-axis line slideway 6-1 and 6-2.The base 11 of X-axis telecontrol equipment B is connected with the upper flat plate 3 of snubber base A by bolt.Article two, the slide rail of X-axis line slideway 6-1 and 6-2 pulls out 12 for fixed forms be fixed on base 11 with pushing away, and is tightened by bolts.Slide unit 5 is bolted on two X-axis slide blocks of the correspondence being arranged on two X-axis line slideway 6-1 and 6-2.X-axis leading screw 4 is arranged on the bearing seat 9 of base, and coordinates with the screw of slide unit 6 and form screw pair.The X-axis motor 10 be arranged in datum axle bearing drives X-axis leading screw 4 to rotate by shaft coupling 8, thus makes slide unit 5 do rectilinear motion along guide rail.X-axis grating scale 7 is arranged on X-axis guide rail, feeds back for position.
Y-axis telecontrol equipment as shown in Figure 4, by a pair Y-axis guide rail 16-1 and 16-2, first Y-axis leading screw 17-1, second Y-axis leading screw 17-2, the motion module that first Y-axis nut 18-1 and the second Y-axis nut 18-2 forms is formed, two motion module are arranged on U-shaped seat 19 by bolt symmetrically, y-axis motor 13 drives the first Y-axis leading screw 17-1 to rotate by shaft coupling 14, simultaneously, first Y-axis leading screw is set with driving pulley 15, second Y-axis leading screw 17-2 is provided with driven pulley 22, Movement transmit is realized by Timing Belt 21 between them, and described Timing Belt 21 is synchronous cog belts.Two Y-axis leading screws drive the first Y-axis nut with the second Y-axis nut along respective counterparty's guide rail movement, realize being synchronized with the movement of Y-direction, Y-axis grating scale 20 is arranged on Y-axis guide rail, feeds back for position.
Lens assembly is as shown in Fig. 5 (A) and Fig. 5 (B), and comprise a light source 25 and a camera lens (camera) 24, light source 25 and camera lens 24 belong to different light paths.For preventing the impact of dust, light source 25 and camera lens 24 are arranged in case for lens 26, and when not working, camera lens lid 27 is closed, and utilize cylinder 23 automatically to be opened by camera lens lid 27 during work, sealing gland nozzle 28 simultaneously by being arranged on case for lens 26 is outwards jet, prevents dust from floating towards camera lens.Case for lens 26 and cylinder 23 are all bolted on on the camera holder of Y-axis telecontrol equipment.And lens assembly of the present utility model has two, be arranged on the upper of Y-axis telecontrol equipment symmetrically, define the pattern of the forward and reverse collection image of twin-lens, also be the mode that the utility model employing Numeric Control Technology and image acquisition combine, large scale and the non-cpntact measurement of solid of revolution bus profile can be realized.By averaging to measured value, the inclined medial error of bus can be reduced.What described light source adopted is telecentric lights, can simulate the effect of less parallel light source, and the profile obtaining object after making transmission is more clear and change in size is less.
The utility model carries dust guard and is one and that is to say camera lens lid 27, sealing gland nozzle 28 and case for lens 26 with the airtight box of controlled lid and sealing gland nozzle,
As shown in Figure 6, motion control card is the core of kinetic control system to kinetic control system of the present utility model.On the one hand, motion control card by pci bus and computer communication, and realizes man-machine interface and external communication function by computing machine.On the other hand, utilize 2 axle motion interpolation functions of this card, control X-axis motor and the motion of y-axis motor drive ball-screw, realize the accurate location of camera lens; For guaranteeing positioning precision, X-axis and Y-axis adopt linear grating to carry out position feedback, and access the position feedback port of motion control card.
Double-optical path principle of the present utility model is as Fig. 7, and when sleeve position is to the skew of a certain side, the projection size of screw thread wherein in a set of light path will become greatly, and the projection size in another set of light path will diminish.By the positive and negative collection image of twin-lens, the mean value getting the two during analysis processes, and can offset the impact of sleeve position deviation.
For measuring tube thread parameter, the utility model is as follows in conjunction with the course of work of kinetic control system and process software:
First, measuring instrument to measure before adjustment.Adjustment before measurement comprises following two contents: (1) adjusts with the centering of production line; (2) camera parameter is checked.Adjust with the centering of production line and refer to that the center line at the center and sleeve pipe that adjust measuring instrument aligns, camera machine parameters validation refers to the method adopting camera standard original paper to be carried out to optical measurement, determines the basic parameters such as the enlargement ratio of camera, setting angle and installation site.
Measuring instrument of the present utility model through adjusting stage after, solid of revolution bus profile measurement can be carried out.Solid of revolution bus profile automatic measurement is specifically divided into following five steps:
1, the preparatory stage.Measuring instrument is ready, sends send pipe request signal to production line;
2, production line send pipe.If production line there is sleeve pipe to be measured, then to measuring instrument transmission, when sleeve pipe runs into a position transducer of end, sleeve pipe time delay stops, and production line sends sleeve pipe signal in place to measuring instrument simultaneously;
3, measuring instrument is measured.Measuring instrument carries out surveying work by initial position.Sealing gland is opened, and starts to blow.Kinetic control system coordinates X, Y-axis moves, and makes camera move to required capture position successively.When camera accurately arrives capture position, the image obtained is preserved by computing machine.After the capture of all positions completes, air blowing sealing gland is stopped to close.
4, measuring instrument exits.After this sleeve pipe is measured, initial position got back to by measuring instrument, and sends to production line and move back pipe request signal;
5, production line moves back pipe.After production line is received and moved back pipe request signal, signal in place for sleeve pipe is removed, and sleeve pipe is return.
Finally, computer software carries out measurement result analysis according to preserved effective image, by image procossing from the solid of revolution bus contour images obtained, extracts solid of revolution bus contour curve.Curve fit is carried out to the discrete data point of the solid of revolution bus profile obtained after extraction, and according to the corresponding bus parameter calculation formula of different solid of revolution, just can calculate solid of revolution bus profile parameters.
Claims (9)
1. a solid of revolution bus profile measurer, it is characterized in that: comprise pedestal, X-axis telecontrol equipment, Y-axis telecontrol equipment and lens assembly, described pedestal comprises lower shoe, upper flat plate and four vibration isolators be symmetricly set in the middle of lower shoe and upper flat plate, described X-axis telecontrol equipment comprises the base be arranged on upper flat plate, be arranged on two X-axis guide rails on base, be arranged on two X-axis slide blocks on two X-axis guide rails respectively, be arranged on the slide unit on two X-axis slide blocks, be arranged on the X-axis motor in the middle of two X-axis guide rails, the X-axis leading screw be connected with X-axis motor output shaft and the X-axis feed screw nut be sleeved on X-axis leading screw, described slide unit is also connected with X-axis feed screw nut,
Described Y-axis telecontrol equipment comprises the U-shaped seat be arranged on slide unit, vertically be arranged on the first Y-axis guide rail and the second Y-axis guide rail at U-shaped seat two ends, the web joint being arranged on two Y-axis guide rail upper ends and the y-axis motor be arranged on web joint, output shaft and the first Y-axis leading screw be arranged on the first Y-axis guide rail of y-axis motor are connected, and the first Y-axis leading screw is set with driving pulley through in the part of web joint, second Y-axis guide rail is arranged on the second Y-axis leading screw, and the second Y-axis leading screw is set with driven pulley through in the part of web joint, between driving pulley and driven pulley, Timing Belt is set, first Y-axis leading screw and the second Y-axis leading screw are respectively installed with the first Y-axis nut and the second Y-axis nut, and described first Y-axis nut be arranged on the first Y-axis guide rail and the second Y-axis guide rail respectively with the second Y-axis nut, first Y-axis nut and the second Y-axis nut are fixed with first-phase support and second-phase support respectively,
Described lens assembly is arranged on two camera holders face-to-face, each lens assembly comprises and is arranged on case for lens and cylinder on camera holder, relevant source and camera lens are installed in case for lens, the take-off lever of cylinder is fixed with horizontal stand, the end of horizontal stand is fixed with camera lens lid, and described camera lens lid is positioned at the front end of light source and camera lens, solid of revolution is delivered between two lens assemblies by solid of revolution production line.
2. a kind of solid of revolution bus profile measurer according to claim 1, is characterized in that: described slide unit is also provided with the light shield covered by whole Y-axis telecontrol equipment, and described light shield is provided with solid of revolution stretches into hole.
3. a kind of solid of revolution bus profile measurer according to claim 1 and 2, is characterized in that: described light source is telecentric lights.
4. a kind of solid of revolution bus profile measurer according to claim 1 and 2, is characterized in that: described X-axis guide rail is provided with X-axis grating scale, Y-axis guide rail is provided with Y-axis grating scale.
5. a kind of solid of revolution bus profile measurer according to claim 3, is characterized in that: described X-axis guide rail is provided with X-axis grating scale, Y-axis guide rail is provided with Y-axis grating scale.
6. a kind of solid of revolution bus profile measurer according to claim 1 and 2, is characterized in that: described case for lens is also provided with sealing gland nozzle.
7. a kind of solid of revolution bus profile measurer according to claim 3, is characterized in that: described case for lens is also provided with sealing gland nozzle.
8. a kind of solid of revolution bus profile measurer according to claim 4, is characterized in that: described case for lens is also provided with sealing gland nozzle.
9. a kind of solid of revolution bus profile measurer according to claim 5, is characterized in that: described case for lens is also provided with sealing gland nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520385512.4U CN204679042U (en) | 2015-06-08 | 2015-06-08 | A kind of solid of revolution bus profile measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520385512.4U CN204679042U (en) | 2015-06-08 | 2015-06-08 | A kind of solid of revolution bus profile measurer |
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| Publication Number | Publication Date |
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| CN204679042U true CN204679042U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520385512.4U Expired - Fee Related CN204679042U (en) | 2015-06-08 | 2015-06-08 | A kind of solid of revolution bus profile measurer |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897080A (en) * | 2015-06-08 | 2015-09-09 | 哈尔滨工程大学 | Solid-of-revolution bus contour measuring instrument |
| CN109287058A (en) * | 2018-11-08 | 2019-01-29 | 南京农业大学 | A kind of cold sterilization core apparatus of high voltage electric field low temperature plasma |
-
2015
- 2015-06-08 CN CN201520385512.4U patent/CN204679042U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897080A (en) * | 2015-06-08 | 2015-09-09 | 哈尔滨工程大学 | Solid-of-revolution bus contour measuring instrument |
| CN104897080B (en) * | 2015-06-08 | 2017-10-03 | 哈尔滨工程大学 | A kind of revolving body bus profile measurer |
| CN109287058A (en) * | 2018-11-08 | 2019-01-29 | 南京农业大学 | A kind of cold sterilization core apparatus of high voltage electric field low temperature plasma |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20180608 |