CN101852582A - Measuring device and measuring method for geometric parameters of inner wall of elbow - Google Patents
Measuring device and measuring method for geometric parameters of inner wall of elbow Download PDFInfo
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- CN101852582A CN101852582A CN 201010185427 CN201010185427A CN101852582A CN 101852582 A CN101852582 A CN 101852582A CN 201010185427 CN201010185427 CN 201010185427 CN 201010185427 A CN201010185427 A CN 201010185427A CN 101852582 A CN101852582 A CN 101852582A
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Abstract
The invention relates to a measuring device and a measuring method for geometric parameters of an inner wall of an elbow, belonging to the testing instrument and meter field. The measuring device is provided with three motional freedom degrees and one rotational freedom degree, a measuring pin is installed at the tail end of a measuring arm for measuring overhanging and can rotate around the axle center of the measuring arm, and the pivot angle of the measuring pin can be manually regulated. In the measuring method for the geometric parameters of the elbow, the inner diameter and the bending radius of the elbow are measured by the measuring device, and the measuring process sequentially comprises the following steps: determining the center line plane of the elbow, measuring the bending radius and measuring the inner diameter of the elbow. The measuring method solves the problem on the measurement of the geometric parameters of the inner cavity of the elbow, and no locating surface needs to be additionally arranged in the measuring process, thus the invention achieves a large caliber application scope, and is especially applicable to occasions having higher requirements for the measurement accuracy of the geometric parameters of the elbow.
Description
Technical field
The invention belongs to the testing meter and instrument field, particularly a kind of geometric parameters of inner wall of elbow measurement mechanism and measuring method are used for the measurement to bend pipe bending radius and internal diameter.
Background technology
Elbowmeter is a kind of novel differential pressure flowmeter, and it utilizes the interior outside pressure difference and the geometric parameters of inner wall of elbow computer tube inner fluid flow of the bend pipe at right-angle turning place on the pipeline.The spin curvature radius R of elbow internal wall center line is called curved footpath than K with the ratio of elbow internal wall diameter D.Curved footpath is than being the most important geometric parameter that influences the elbowmeter traffic characteristic.Therefore, how accurately measuring the bending radius of elbow internal wall and internal diameter is one of gordian technique of development high precision elbowmeter.
From geometric angle, the circle that it is D that elbow internal wall is equivalent to a diameter is to move on the circular arc line of R along radius, and keeps the surface of the vertical formation with camber line of circle.Wherein diameter of a circle D is the bend pipe internal diameter, and the O of center of arc is a rotation center, and arc radius R is the spin curvature radius, and circular arc is the center line of bend pipe.Therefore, the cross section of crossing rotation center and the plane vertical with center line and bend pipe is for justifying, and the cross section of any one and parallel plane plane, center line place and bend pipe is the circular arc line of the center of circle at rotation center.
Because bend pipe outer wall geometric parameter is to tube fluid speed and not influence of pressure, usually only need inside pipe wall is processed and measured, bend pipe wall thickness everywhere is also inhomogeneous, manual method is difficult to determine bend pipe rotation center and center line, can't accurately measures bend pipe internal diameter and bending radius with general measurers such as clock gauge, vernier calipers.This is having a strong impact on the measuring accuracy of elbowmeter.
Summary of the invention
The objective of the invention is the defective at prior art, one provides a kind of measurement mechanism that is used to measure geometric parameters of inner wall of elbow; Two provide a kind of measuring method of measuring bend pipe internal diameter and bending radius.
Realize the foregoing invention purpose by the following technical solutions: a kind of geometric parameters of inner wall of elbow measurement mechanism, comprise: support, measurement turntable, cross slide way, longitudinal rail, column, gage beam, survey seat and chaining pin, servomotor, tested bend pipe is placed on to be measured on the turntable, the mutual vertical fixing of described longitudinal rail and cross slide way is installed on the pedestal, measurement turntable along the cross slide way move left and right is installed on this cross slide way, and cross slide way servomotor and cross slide way are affixed; The column that guide rail longitudinally moves forward and backward is installed on the longitudinal rail, is installed with vertical guide rail on the column, the slide that moves up and down along vertical guide rail is installed on the vertical guide rail, vertical guide rail servomotor and vertical guide rail are affixed; One end of described gage beam is fixedlyed connected with slide, and the other end is equipped with the wrist that rotates around gage beam, and wrist is installed with surveys seat, and survey the seat internal fixation force transducer is installed, the external chaining pin of this force transducer, the chaining pin end is installed with bulb; The other end of described slide and gage beam servomotor are affixed.
A kind of method with geometric parameters of inner wall of elbow measurement mechanism measurement bend pipe internal diameter and bending radius comprises by measuring sequencing: determine the bend pipe center line plane, measure bending radius and measure bend pipe internal diameter process, its method is:
A, determine bend pipe center line plane process: at first bend pipe to be measured is lain in and measure on the turntable and fixing, mobile, wheel measuring platform, and adjustment chaining pin and bend pipe relative position, make the chaining pin bulb stretch into bend pipe inside, it is motionless to keep measuring turntable then, control chaining pin bulb traverse measurement elbow internal wall point, search out the highs and lows of bulb sphere centre coordinate value; Calculate the mean value of highs and lows bulb sphere centre coordinate, this point is on the bend pipe center line a bit; Move, rotate and measure turntable, change the left and right sides relative position of bend pipe and chaining pin bulb, it is motionless to keep measuring turntable then, repeats above-mentioned measuring process, obtains another point on the bend pipe center line; So duplicate measurements obtains on the bend pipe center line after the volume coordinate more than 3, and adopting the plane fitting algorithm computation to go out plane, center line place is central plane.
B, measurement bending radius process: the relative position of adjusting chaining pin and bend pipe, make chaining pin bulb centre of sphere initial position be arranged in the inner and central plane that determine at step a of bend pipe, the control chaining pin is to the interior lateral movement of elbow internal wall and keep the chaining pin bulb centre of sphere in central plane, when bulb contacts with inwall, calculate the volume coordinate and the record of the bulb centre of sphere; Change chaining pin bulb initial position, repeat said process, obtain bulb in central plane with elbow internal wall in 3 above difference volume coordinates of centre of sphere during side contacts, go out the circular arc at these places with the circular fitting algorithm computation, obtain the inner arc radius R 1 and the center of circle; According to the aforesaid operations process obtain bulb in central plane with elbow internal wall outside the circular arc at centre of sphere place during side contacts, obtain the outer arc radius R 2 and the center of circle.The radius average of calculating inner arc and outer arc is the radius R of bend pipe center line, i.e. bend pipe radius of turn, and the central coordinate of circle average of calculating inner arc and outer arc is the spatial value of bend pipe rotation center;
C, measurement bend pipe internal diameter process: the relative position of adjusting chaining pin and bend pipe, make chaining pin bulb centre of sphere initial position be positioned at bend pipe inside, keep the chaining pin bulb centre of sphere in crossing bend pipe rotation center and the measurement plane vertical with central plane, move to elbow internal wall, when bulb contacts with inwall, calculate the volume coordinate and the record of the bulb centre of sphere; Repeat said process, 3 above difference volume coordinates of the centre of sphere when obtaining bulb and in above-mentioned measurement plane, contacting with elbow internal wall, with justifying the circle that fitting algorithm calculates these places, this diameter of a circle and chaining pin bulb diameter sum are the internal diameter of bend pipe in this measurement plane; Change bulb centre of sphere initial point position and measurement plane, repeat above-mentioned measuring process, obtain bend pipe internal diameter in a plurality of measurement planes; Calculate the result that the average of these internal diameters obtains and be the bend pipe internal diameter.
Owing to adopted technique scheme, bend pipe geometric parameter measurement device provided by the invention has three one-movement-freedom-degrees and a rotational freedom, scientific structure, measuring accuracy height.Utilize bend pipe geometric parameter measurement measurement device provided by the invention, realized bend pipe bending radius and inner diameter measurement.This measuring method has solved bend pipe inner chamber geometric parameter measurement problem, and measuring process need not to increase in addition locating surface, and it is big to be suitable for the caliber scope.This measuring method and process realize measuring automatically after using the computing machine programming Control easily, are particularly useful for the higher occasion of bend pipe geometric parameter measurement accuracy requirement.
Description of drawings
Fig. 1 is the structural representation of bend pipe geometric parameter measurement device of the present invention.
Fig. 2 is that the present invention measures bend pipe center line process bend pipe sectional view.
Fig. 3 is that the present invention measures bend pipe bending radius process bend pipe sectional view.
Fig. 4 is that the present invention measures bend pipe internal diameter process bend pipe sectional view.
Among the figure, vertical guide rail servomotor 1, down-feed screw 2, column 3, gage beam servomotor 4, slide 5, vertical guide rail 6, longitudinal leadscrew 7, longitudinal rail 8, longitudinal rail servomotor 9, gage beam 10, wrist 11, rotating shaft 12 is surveyed seat 13, chaining pin 14, chaining pin bulb 15, bend pipe 16, cross slide way servomotor 17, horizontal leading screw 18, cross slide way 19 is measured turntable 20, support 21, central point is measured face 22, central plane 23, plane of orientation 24, center line 25, peak 26, central plane and elbow internal wall intersection 27, minimum point 28, central point 29, inner arc 30, outer arc 31, bend pipe rotation center 32, bore measurement plane 33, bore measurement plane and elbow internal wall intersection 34.
Embodiment
The present invention will be further described below in conjunction with the drawings and the specific embodiments.
The present invention is made up of support 21, measurement turntable 20, cross slide way 19, longitudinal rail 8, vertical guide rail 6, column 3, gage beam 10, survey seat 13 and chaining pin 14 etc.Specific embodiment is as follows:
Referring to accompanying drawing 1, for convenience of description, present embodiment is made as X with cross slide way 19 directions and is made as Y to, longitudinal rail 19 directions and is made as Z to, vertical guide rail 6 directions and constitutes a rectangular coordinate system to, three is vertical mutually, gage beam 10 be parallel to X to.
In the measuring process, tested bend pipe 16 is placed on to be measured on the turntable 20, when chaining pin 14 terminal chaining pin bulbs 15 contact with bend pipe 16 surperficial measured points be subjected to external force after, survey the force transducer perception external force in the seat 13, and sending signal to outer computer, outer computer is calculated chaining pin bulb centre coordinate position according to each guide rail position, joint angles, gage beam and chaining pin length gauge.
Bend pipe geometric parameter measurement method of the present invention:
Bend pipe internal diameter and bending radius measuring method comprise following three steps by the priority measuring sequence: determine bend pipe center line plane process, measure the bending radius process and measure bend pipe internal diameter process.
Step 1: determine bend pipe center line plane process.With reference to accompanying drawing 1, accompanying drawing 2, accompanying drawing 2 is that bend pipe 16 is by the synoptic diagram behind the plane subdivision parallel with Y-Z.At first bend pipe 16 to be measured is lain in and measure on the turntable 20 and fix to clamp, determine plane of orientation 24, adjust the relative position of chaining pin 14 and bend pipe 16, make chaining pin 14 stretch in the bend pipe 16 by controlling each servomotor; Keep measuring turntable 20 motionless mobile chaining pins then, this moment, the chaining pin bulb centre of sphere moved in a central point measurement plane 22 parallel with Y-Z, these central point measurement plane 22 planes and elbow internal wall intersection 27 are curve, measure peak 26 and minimum point 28 that the elbow internal wall each point finds the bulb sphere centre coordinate; Calculate the mean value of peak 26 and minimum point 28 coordinates, obtain a central point 29 on the bend pipe center line; Move, rotate and measure turntable 20, change the left and right sides relative position of the chaining pin bulb 15 of bend pipe and chaining pin 14, it is motionless to keep measuring turntable 20 then, repeats above-mentioned measuring process, obtains and write down another point coordinate value on the bend pipe center line; So record on the bend pipe center line after the volume coordinate more than 3, adopting the plane fitting algorithm computation to go out plane, center line 25 place is central plane 23.
Step 2: measure the bending radius process.With reference to accompanying drawing 1, accompanying drawing 3, accompanying drawing 3 be bend pipe 16 by central plane 23 subdivisions after synoptic diagram.Adjust the relative position of chaining pin 14 and bend pipe 16 by controlling each servomotor, it is inner and at central plane 23 to make that chaining pin chaining pin bulb 15 centre of sphere initial positions are positioned at bend pipe 16, control chaining pin chaining pin bulb 15 is to the interior lateral movement of bend pipe 16 inwalls and keep chaining pin chaining pin bulb 15 centre ofs sphere in central plane 23, when chaining pin bulb 15 contacts with inwall, calculate the volume coordinate and the record of the centre of sphere; Change chaining pin chaining pin bulb 15 initial positions, repeat said process, obtain chaining pin bulb 15 in central plane 23 with elbow internal wall in three above difference volume coordinates of centre of sphere during side contacts, go out the inner arc 30 at these places with the circular fitting algorithm computation, obtain the inner arc radius R 1 and the center of circle.According to the aforesaid operations process obtain bulb in central plane with elbow internal wall outside the outer arc 31 at centre of sphere place during side contacts, obtain the outer arc radius R 2 and the center of circle.The radius average of calculating inner arc and outer arc is the radius of bend pipe center line, i.e. bend pipe radius of turn R, and the central coordinate of circle average of calculating inner arc and outer arc is the spatial value of bend pipe rotation center 32.
Step 3: measure bend pipe internal diameter process.With reference to accompanying drawing 1, accompanying drawing 4, synoptic diagram behind accompanying drawing 4 to be bend pipe 16 crossed bend pipe rotation centers 32 and the plane subdivision vertical with central plane 23.Adjust the relative position of chaining pin 14 and bend pipe 16 by controlling each servomotor, make chaining pin chaining pin bulb 15 centre of sphere initial positions be positioned at bend pipe inside, keep chaining pin chaining pin bulb 15 centre ofs sphere in crossing bend pipe rotation center and the bore measurement plane 33 vertical with central plane, move to elbow internal wall, when chaining pin bulb 15 contacts with inwall, calculate the volume coordinate and the record of the bulb centre of sphere; Repeat said process, three above difference volume coordinates of the centre of sphere when obtaining bulb and in above-mentioned measurement plane, contacting with elbow internal wall, with justifying the circle that fitting algorithm calculates these places, this diameter of a circle D1 and chaining pin bulb diameter sum are the internal diameter of bend pipe in this measurement plane 33.Change bulb centre of sphere initial point position and measurement plane, repeat above-mentioned measuring process, obtain bend pipe internal diameter in a plurality of measurement planes.Get the result that the average of these internal diameters obtains and be the bend pipe inside diameter D.What represent among Fig. 4 34 is intersections of bore measurement plane and elbow internal wall.
When getting measurement point or flat measurement plane in the above-mentioned measuring process, can reflect bend pipe whole geometry parameter, need chaining pin to enter bend pipe respectively from the bend pipe two ends and measure in order to make measurement result.For the bend pipe of different inner diameters, need manual adjustment chaining pin pendulum angle sometimes, to guarantee that the chaining pin bulb contacts with elbow internal wall under the situation that mechanism does not interfere.
More than be the explanation that the embodiment shown in is with reference to the accompanying drawings done, these embodiments are an example explanation just, and does not mean that restriction.The embodiment of making under the guidance of technical solution of the present invention all belongs to protection scope of the present invention.
Claims (7)
1. geometric parameters of inner wall of elbow measurement mechanism, comprise: support (21), measurement turntable (20), cross slide way (19), longitudinal rail (8), column (3), gage beam (10), survey seat and chaining pin, servomotor, tested bend pipe is placed on to be measured on the turntable (20), it is characterized in that: described longitudinal rail (8) is installed on the pedestal with the mutual vertical fixing of cross slide way (19), be equipped with on this cross slide way along the measurement turntable (20) of cross slide way (19) move left and right, cross slide way servomotor (17) is affixed with cross slide way (19); The column (3) that guide rail longitudinally moves forward and backward is installed on the longitudinal rail (8), be installed with vertical guide rail (6) on the column (3), the slide (5) that moves up and down along vertical guide rail (6) is installed on the vertical guide rail (6), and vertical guide rail servomotor (1) is affixed with vertical guide rail (6); One end of described gage beam (10) is fixedlyed connected with slide (5), the other end is equipped with the wrist (11) around gage beam (10) rotation, wrist (11) is installed with surveys seat (13), survey seat (13) internal fixation force transducer is installed, the external chaining pin of this force transducer (14), chaining pin (14) end is installed with chaining pin bulb (15); The other end of described slide (5) and gage beam servomotor (4) are affixed.
2. according to the described geometric parameters of inner wall of elbow measurement mechanism of claim 1, it is characterized in that, the output shaft of cross slide way servomotor (17) and coaxial connection of leading screw (18), leading screw (18) cooperates with measurement turntable (20) nut.
3. geometric parameters of inner wall of elbow measurement mechanism according to claim 1 is characterized in that, the output shaft of described longitudinal rail servomotor (9) and coaxial connection of longitudinal leadscrew (7), and longitudinal leadscrew (7) cooperates with column (3) nut.
4. geometric parameters of inner wall of elbow measurement mechanism according to claim 1 is characterized in that, the output shaft of described vertical guide rail servomotor (1) and coaxial connection of down-feed screw (2), and down-feed screw (2) cooperates with slide (5) nut.
5. geometric parameters of inner wall of elbow measurement mechanism according to claim 1, it is characterized in that, described gage beam (10) is a hollow cylindrical structure, inside is provided with transmission shaft, transmission shaft one end is connected with servomotor (4) output shaft, the other end is connected with wrist (11), and servomotor (4) drives wrist (11) by this transmission shaft and rotates around gage beam (10) central axis.
6. geometric parameters of inner wall of elbow measurement mechanism according to claim 1 is characterized in that, described wrist is provided with a rotating shaft vertical with the gage beam central axis, and this rotating shaft is fixed by latch mechanism.
7. method of measuring bend pipe internal diameter and bending radius with the described geometric parameters of inner wall of elbow measurement mechanism of claim 1, it is characterized in that: described geometric parameters of inner wall of elbow measuring method comprises by measuring sequencing: determine the bend pipe center line plane, measure bending radius and measure bend pipe internal diameter process, its method is:
A, determine bend pipe center line plane process: at first bend pipe to be measured (16) is lain in and measure that turntable (20) is gone up and fixing, mobile, wheel measuring turntable (20), and adjustment chaining pin (14) and bend pipe (16) relative position, make chaining pin bulb (15) stretch into bend pipe (16) inside, it is motionless to keep measuring turntable (20) then, control chaining pin bulb (15) traverse measurement elbow internal wall point, search out the highs and lows of bulb sphere centre coordinate value; Calculate the mean value of highs and lows bulb sphere centre coordinate, this point is on the bend pipe center line a bit; Move, rotate and measure turntable (20), change the left and right sides relative position of bend pipe (16) and chaining pin bulb (15), it is motionless to keep measuring turntable (20) then, repeats above-mentioned measuring process, obtains another point on the bend pipe center line; So duplicate measurements obtains on the bend pipe center line after the volume coordinate more than 3, and adopting the plane fitting algorithm computation to go out plane, center line place is central plane;
B, measurement bending radius process: the relative position of adjusting chaining pin and bend pipe, make chaining pin bulb (15) centre of sphere initial position be arranged in the inner and central plane that determine at step a of bend pipe (16), control chaining pin (14) is to the interior lateral movement of bend pipe (16) inwall and keep chaining pin bulb (15) centre of sphere in central plane, when chaining pin bulb (15) when contacting, calculate the volume coordinate and the record of the bulb centre of sphere with inwall; Change chaining pin bulb (15) initial position, repeat said process, obtain chaining pin bulb (15) in central plane with elbow internal wall in 3 above difference volume coordinates of centre of sphere during side contacts, go out the circular arc at these places with the circular fitting algorithm computation, obtain the inner arc radius R 1 and the center of circle; According to the aforesaid operations process obtain bulb in central plane with elbow internal wall outside the circular arc at centre of sphere place during side contacts, obtain the outer arc radius R 2 and the center of circle, the radius average of calculating inner arc and outer arc is the radius R of bend pipe center line, be the bend pipe radius of turn, the central coordinate of circle average of calculating inner arc and outer arc is the spatial value of bend pipe rotation center;
C, measurement bend pipe internal diameter process: the relative position of adjusting chaining pin (14) and bend pipe (16), make chaining pin bulb (15) centre of sphere initial position be positioned at bend pipe inside, keep chaining pin bulb (15) centre of sphere in crossing bend pipe rotation center and the measurement plane vertical with central plane, move to elbow internal wall, when bulb (14) when contacting, calculate the volume coordinate and the record of chaining pin bulb (15) centre of sphere with inwall; Repeat said process, 3 above difference volume coordinates of the centre of sphere when obtaining chaining pin bulb (15) and in above-mentioned measurement plane, contacting with elbow internal wall, with justifying the circle that fitting algorithm calculates these places, this diameter of a circle and chaining pin bulb diameter sum are the internal diameter of bend pipe in this measurement plane; Change chaining pin bulb (15) centre of sphere initial point position and measurement plane, repeat above-mentioned measuring process, obtain bend pipe internal diameter in a plurality of measurement planes; Calculate the result that the average of these internal diameters obtains and be the bend pipe internal diameter.
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| CN 201010185427 CN101852582A (en) | 2010-05-28 | 2010-05-28 | Measuring device and measuring method for geometric parameters of inner wall of elbow |
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| CN 201010185427 CN101852582A (en) | 2010-05-28 | 2010-05-28 | Measuring device and measuring method for geometric parameters of inner wall of elbow |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB989707A (en) * | 1963-03-01 | 1965-04-22 | Portage Machine Company | Improved testing machine |
-
2010
- 2010-05-28 CN CN 201010185427 patent/CN101852582A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB989707A (en) * | 1963-03-01 | 1965-04-22 | Portage Machine Company | Improved testing machine |
Non-Patent Citations (1)
| Title |
|---|
| 《三坐标测量机》 19990831 张国雄等 三坐标测量机 天津大学出版社 正文57－58页，图2.4－1 2-4 , 1 * |
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Application publication date: 20101006 |