CN106197316A - Utilize the method that averaging method carries out electric power tower steel pipe circular section contour detecting - Google Patents
Utilize the method that averaging method carries out electric power tower steel pipe circular section contour detecting Download PDFInfo
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- CN106197316A CN106197316A CN201610575677.7A CN201610575677A CN106197316A CN 106197316 A CN106197316 A CN 106197316A CN 201610575677 A CN201610575677 A CN 201610575677A CN 106197316 A CN106197316 A CN 106197316A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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Abstract
The invention discloses the method utilizing averaging method to carry out electric power tower steel pipe circular section contour detecting, including the first step, steel pipe circular section contour detecting device is installed；Second step, placing steel tubes；3rd step, fixing steel pipe and circular section profile part mark to be detected；4th step, range sensor positions；5th step, steel pipe circular section outline data once gathers；6th step, outline data second time in steel pipe circular section gathers；7th step, outline data third time in steel pipe circular section gathers；8th step, steel pipe circular section contour curve drafting: PLC point 1, some 1' and some 1'' to gathering carries out calculating meansigma methods, and forms new point 1All, the like, form new point 2All, point 3AllUntil some nAll；PLC is by the point 1 after data processAll, point 2All, point 3AllUntil some nAllBe sequentially connected with and carry out fillet process, just obtain the circular section contour curve in steel pipe cross section to be measured, easy to detect fast, detected value accurately, reliable.
Description
Technical field
The present invention relates to the detection method of a kind of electric device, particularly one utilizes averaging method to carry out electric power tower
The method of steel pipe circular section contour detecting.
Background technology
Power transmission process needs a large amount of electric power tower used, electric power tower subangle head tower and steel tube tower.Angle steel tower main
Mountain area to be used in, the occasion of transportation inconvenience.The steel tube tower that structure is simple and direct is used in a large number in plains region.Steel tube tower main
Structure is steel pipe, and tower body uses Luo bolt a section for steel pipe connection to be erected.Steel pipe passes through flat board sawing sheet, bent plate, pipe
Body gap is welded, and school port, end are welded with ring flange and the method such as steel tube surface galvanizing by dipping processes.Steel pipe is by curved
Volume processing, becomes pipe by rectangular flat plate buckling.Specific process is the short side direction offer feeding at flat board, along long limit
Direction is bent to a certain degree, and then short side direction continues feeding one segment distance, and the position that long side direction is new is bent again, this
Process is repeated.Respectively two long side directions of rectangular flat plate being made identical processing, two long back gauges of flat board are close,
It is formed with the pipe of opening.Again by opening pressing, by electric welding, two long limits of original flat board are welded into one.Adding of above-mentioned routine
Work method ensures to be formed the shape of steel pipe by the minor face amount of feeding and long limit amount of bow controlling flat board, although pass through numerical control programming
Method controls mechanical movement, but true form still exists error.For joining of the ring flange that ensures steel pipe two ends and couple
Close, after the welding of the gap of steel pipe, also the circularity at steel pipe two ends is checked and shaping, finally could with ring flange assembling and
Welding.The uniformity coefficient of steel pipe holding capacity, along the circularity of length cross-sectional geometry, is had an impact, in particular with electric power by steel pipe
The voltage of transmission is more and more higher, and the height of power tower is also increasing, and the requirement to steel pipe stress-bearing capability is also improving.
Now the intermediate cross-section profile of steel pipe can only be measured diameter by processing method, and pair cross-section profile cannot be measured, i.e. without
Method knows the error size of actual circular section profile and design circular section profile.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, and provides a kind of utilization to average
Method carries out the method for electric power tower steel pipe circular section contour detecting, and this utilizes averaging method to carry out electric power tower steel pipe circular section
The method of contour detecting directly can carry out the detection of circular section profile to steel pipe arbitrary section, easy to detect fast, detected value is accurate
Really, reliably.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of method utilizing averaging method to carry out electric power tower steel pipe circular section contour detecting, comprises the following steps.
The first step, steel pipe circular section contour detecting device is installed: arrange the arc benchmark of energy placing steel tubes on reference platform
Groove；Left sliding post and right sliding post be separately positioned on arc baseline trough both sides and all can left and right sliding, left sliding column bottom
Right side is provided with locating shaft, in locating shaft can stretch into the steel pipe being positioned on arc baseline trough and is rotatably assorted with steel tube inner hole；
Being provided with rotating shaft on the left of right sliding post, the rotating shaft of neighbouring steel pipe one end is provided with fixing head, this fixing head can stretch into and be positioned over
In steel pipe on arc baseline trough and with steel tube inner hole tight fit；The other end of rotating shaft is connected with indexer, and rotating shaft can divide
The cycle off and on that carries out under the drive of degree device rotates；Fixing head includes central shaft, electric magnet, spring, arc sheetmetal and elasticity
Wearing layer；Central shaft is coaxially fixedly installed with rotating shaft, and electric magnet is built in central shaft, if the circumference of central shaft is evenly arranged with
Dry block arc sheetmetal, the right-hand member of every piece of arc sheetmetal is all hinged with central shaft, and the left end of every piece of arc sheetmetal is the most logical
Cross that spring and central shaft are fixing to be connected；Elastic wear-resisting layer is coated on the periphery of arc sheetmetal；Horizontal sliding bar is arranged on arc base
The surface of quasi-groove, the two ends of horizontal sliding bar are connected by expansion link is fixing with left sliding post or right sliding post respectively；Level is sliding
The basal sliding of bar connects described range sensor, and range sensor is installed photographic head.
Second step, placing steel tubes: steel pipe is placed in arc baseline trough in the first step.
3rd step, fixing steel pipe and circular section profile part mark to be detected: left sliding post sliding to the right, make locating shaft stretch
In entering the steel pipe in second step and it is rotatably assorted with steel tube inner hole；Right sliding post sliding to the left, makes fixing head stretch in second step
Steel pipe in and with steel tube inner hole tight fit；Then, the upper surface at steel pipe marks needs to carry out circular section contour detecting
Position.
4th step, range sensor positions: the photographic head being arranged on range sensor can be to marking in the 3rd step
Profile position to be detected in circular section identifies automatically, thus drives distance telegraphy device to slide onto circular section profile along horizontal sliding bar
The surface at position to be detected.
5th step, steel pipe circular section outline data once gathers: range sensor gathers range sensor bottom extremely automatically
The distance value of steel pipe upper surface, passes to PLC simultaneously by distance value, and is labeled as a little 1；Then, rotating shaft is in the drive of indexer
Lower rotation one week, and then drive steel pipe to rotate one week；Steel pipe often rotates a scale division value, and range sensor will gather once automatically
Distance value, to the distance value of steel pipe upper surface, is passed to PLC simultaneously, and labelling is once by range sensor bottom, and labelling point depends on
Secondary for point 2, point 3 until some n, wherein n is equal with the scale division value of indexer.
6th step, outline data second time in steel pipe circular section gathers: rotating shaft is returned after rotating under the drive of indexer one week
During to starting point, rotating shaft is rotated further one week, and range sensor gathers range sensor bottom again to the distance of steel pipe upper surface
Value, is followed successively by a 1', some 2', puts 3' until some n', and wherein n' is equal with the scale division value of indexer.
7th step, outline data third time in steel pipe circular section gathers: rotating shaft is returned after rotating under the drive of indexer two weeks
During to starting point, rotating shaft is rotated further one week, and range sensor gathers range sensor bottom again to the distance of steel pipe upper surface
Value, is followed successively by a 1'', some 2'', puts 3'' until some n'', and wherein n'' is equal with the scale division value of indexer.
8th step, steel pipe circular section contour curve drafting: PLC point 1, some 1' and some 1'' to gathering carries out calculating averagely
Value, and form new point 1All, the like, form new point 2All, point 3AllUntil some nAll；PLC is by the point 1 after data processAll, point
2All, point 3AllUntil some nAllIt is sequentially connected with and carries out fillet process, just obtain the circular section contour curve in steel pipe cross section to be measured.
Electromagnetic attraction in described electric magnet can regulate.
The scale division value of described indexer is that 8 indexing or 16 index or 32 indexing.
One end that described locating shaft matches with steel tube inner hole is wedge shaped or conical.
In described 3rd step, steel pipe fixing means, comprise the steps.
Step A, locating shaft positions: left sliding post sliding to the right, in making the steel pipe that locating shaft stretches in second step and and steel
Pipe orifice is rotatably assorted.
Step B, fixing head closes up: electric magnet is energized, and arc sheetmetal overcomes spring force, and the direction towards central shaft is closed
Hold together, make the opening area of arc sheetmetal less than steel tube inner hole sectional area.
Step C, fixing head stretches into steel tube inner hole: right sliding post sliding to the left, makes the fixing head after closing up stretch in steel pipe
Hole.
Step D, fixing head expansion: after fixing head stretches into endoporus, electric magnet power-off, spring recovers, and fixing head is launched, arc
Shape metallic plate encloses one circular platform type structure of formation, and the opening area of arc sheetmetal is more than steel tube inner hole sectional area, thus
Making fixing head and steel tube inner hole tight fit, steel pipe can rotate with rotating shaft.
After the present invention uses said method, directly steel pipe arbitrary section can be carried out the detection of circular section profile, detection side
Just quick, detected value is accurately, reliably.
Accompanying drawing explanation
Fig. 1 is the structural representation of steel pipe circular section contour detecting device in electric power steel pipe tower.
Fig. 2 shows the structure for amplifying schematic diagram of fixing head in Fig. 1.
Fig. 3 shows the schematic cross-section of fixing head in Fig. 2.
Detailed description of the invention
The present invention is further detailed explanation with concrete better embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, steel pipe circular section contour detecting device in a kind of electric power steel pipe tower, wherein there is base
Quasi-platform 1, arc baseline trough 11, left sliding post 2, locating shaft 21, right sliding post 3, rotating shaft 31, fixing head 32, indexer 33, in
Mandrel 321, electric magnet 322, spring 323, arc sheetmetal 324, elastic wear-resisting layer 325, guide section 326, opening 327, steel
The technical characteristics such as pipe 4, horizontal sliding bar 5, expansion link 51, range sensor 6.
Steel pipe circular section contour detecting device in a kind of electric power steel pipe tower, including reference platform, left sliding post, right sliding
Post, locating shaft, rotating shaft, fixing head, indexer, horizontal sliding bar, range sensor and PLC.
The arc baseline trough of energy placing steel tubes it is provided with on reference platform.
Left sliding post and right sliding post be separately positioned on arc baseline trough both sides and all can left and right sliding, left sliding post
Bottom right is provided with locating shaft, rotates and join in locating shaft can stretch into the steel pipe being positioned on arc baseline trough and with steel tube inner hole
Close；Being provided with rotating shaft on the left of right sliding post, the rotating shaft of neighbouring steel pipe one end is provided with fixing head, this fixing head can stretch into placement
In steel pipe on arc baseline trough and with steel tube inner hole tight fit；The other end of rotating shaft is connected with indexer, and rotating shaft can be
The cycle off and on that carries out under the drive of indexer rotates.
Fixing head includes central shaft, electric magnet, spring, arc sheetmetal and elastic wear-resisting layer；Central shaft is coaxial with rotating shaft
Being fixedly installed, electric magnet is built in central shaft, and the circumference of central shaft is evenly arranged with some pieces of arc sheetmetals, every piece of arc
The right-hand member of metallic plate is all hinged with central shaft, and the left end of every piece of arc sheetmetal is all connected by spring and central shaft are fixing；
Elastic wear-resisting layer is coated on the periphery of arc sheetmetal.
Horizontal sliding bar is arranged on the surface of arc baseline trough, and the two ends of horizontal sliding bar are respectively by expansion link and left sliding
Post or the fixing connection of right sliding post；The basal sliding of horizontal sliding bar connects described range sensor.
Electromagnetic attraction in described electric magnet can regulate.
Described central shaft also includes the guide section being arranged on the left of arc sheetmetal.
One end that described locating shaft matches with steel tube inner hole is wedge shaped or conical.
The scale division value of described indexer is that 8 indexing or 16 index or 32 indexing.
The method that steel pipe arbitrary section is carried out circular section contour detecting, preferably has the following two kinds embodiment.
Embodiment 1
In a kind of electric power steel pipe tower, the detection method of steel pipe circular section profile, comprises the following steps.
The first step, steel pipe circular section contour detecting device is installed: arrange the arc benchmark of energy placing steel tubes on reference platform
Groove；Left sliding post and right sliding post be separately positioned on arc baseline trough both sides and all can left and right sliding, left sliding column bottom
Right side is provided with locating shaft, in locating shaft can stretch into the steel pipe being positioned on arc baseline trough and is rotatably assorted with steel tube inner hole；
Being provided with rotating shaft on the left of right sliding post, the rotating shaft of neighbouring steel pipe one end is provided with fixing head, this fixing head can stretch into and be positioned over
In steel pipe on arc baseline trough and with steel tube inner hole tight fit；The other end of rotating shaft is connected with indexer, and rotating shaft can divide
The cycle off and on that carries out under the drive of degree device rotates；Fixing head includes central shaft, electric magnet, spring, arc sheetmetal and elasticity
Wearing layer；Central shaft is coaxially fixedly installed with rotating shaft, and electric magnet is built in central shaft, if the circumference of central shaft is evenly arranged with
Dry block arc sheetmetal, the right-hand member of every piece of arc sheetmetal is all hinged with central shaft, and the left end of every piece of arc sheetmetal is the most logical
Cross that spring and central shaft are fixing to be connected；Elastic wear-resisting layer is coated on the periphery of arc sheetmetal；Horizontal sliding bar is arranged on arc base
The surface of quasi-groove, the two ends of horizontal sliding bar are connected by expansion link is fixing with left sliding post or right sliding post respectively；Level is sliding
The basal sliding of bar connects described range sensor.
Second step, placing steel tubes: mark the position needing to carry out circular section contour detecting on steel pipe, labelling will be carried out
Steel pipe place in arc baseline trough in the first step, and make labelling position upward.
3rd step, fixing steel pipe: left sliding post sliding to the right, in making the steel pipe that locating shaft stretches in second step and and steel pipe
Endoporus is rotatably assorted；Right sliding post sliding to the left, in making the steel pipe that fixing head stretches in second step and with steel tube inner hole tight fit.
4th step, range sensor positions: manually or automatically will slide onto steel pipe labelling apart from telegraphy device along horizontal sliding bar
The surface at position.
5th step, steel pipe circular section contour detecting: range sensor automatically gather range sensor bottom to steel pipe table
The distance value in face, passes to PLC simultaneously by distance value, and is labeled as a little 1；Then, rotating shaft rotates one under the drive of indexer
Week, and then drive steel pipe to rotate one week；Steel pipe often rotates a scale division value, and range sensor will gather a Distance-sensing automatically
Distance value, to the distance value of steel pipe upper surface, is passed to PLC simultaneously, and labelling is once by device bottom, labelling point is followed successively by a little 2,
Point 3 is until some n, and wherein n is equal with the scale division value of indexer；PLC by the point 1 of record, point 2, point 3 until some n be sequentially connected with also
Carry out fillet process, just obtain the circular section contour curve in steel pipe cross section to be measured.
Embodiment 2
A kind of method utilizing averaging method to carry out electric power tower steel pipe circular section contour detecting, it is characterised in that: include with
Lower step.
The first step, steel pipe circular section contour detecting device is installed: arrange the arc benchmark of energy placing steel tubes on reference platform
Groove；Left sliding post and right sliding post be separately positioned on arc baseline trough both sides and all can left and right sliding, left sliding column bottom
Right side is provided with locating shaft, in locating shaft can stretch into the steel pipe being positioned on arc baseline trough and is rotatably assorted with steel tube inner hole；
Being provided with rotating shaft on the left of right sliding post, the rotating shaft of neighbouring steel pipe one end is provided with fixing head, this fixing head can stretch into and be positioned over
In steel pipe on arc baseline trough and with steel tube inner hole tight fit；The other end of rotating shaft is connected with indexer, and rotating shaft can divide
The cycle off and on that carries out under the drive of degree device rotates；Fixing head includes central shaft, electric magnet, spring, arc sheetmetal and elasticity
Wearing layer；Central shaft is coaxially fixedly installed with rotating shaft, and electric magnet is built in central shaft, if the circumference of central shaft is evenly arranged with
Dry block arc sheetmetal, the right-hand member of every piece of arc sheetmetal is all hinged with central shaft, and the left end of every piece of arc sheetmetal is the most logical
Cross that spring and central shaft are fixing to be connected；Elastic wear-resisting layer is coated on the periphery of arc sheetmetal；Horizontal sliding bar is arranged on arc base
The surface of quasi-groove, the two ends of horizontal sliding bar are connected by expansion link is fixing with left sliding post or right sliding post respectively；Level is sliding
The basal sliding of bar connects described range sensor, and range sensor is installed photographic head.
Second step, placing steel tubes: steel pipe is placed in arc baseline trough in the first step.
3rd step, fixing steel pipe and circular section profile part mark to be detected: left sliding post sliding to the right, make locating shaft stretch
In entering the steel pipe in second step and it is rotatably assorted with steel tube inner hole；Right sliding post sliding to the left, makes fixing head stretch in second step
Steel pipe in and with steel tube inner hole tight fit；Then, the upper surface at steel pipe marks needs to carry out circular section contour detecting
Position.
4th step, range sensor positions: the photographic head being arranged on range sensor can be to marking in the 3rd step
Profile position to be detected in circular section identifies automatically, thus drives distance telegraphy device to slide onto circular section profile along horizontal sliding bar
The surface at position to be detected.
5th step, steel pipe circular section outline data once gathers: range sensor gathers range sensor bottom extremely automatically
The distance value of steel pipe upper surface, passes to PLC simultaneously by distance value, and is labeled as a little 1；Then, rotating shaft is in the drive of indexer
Lower rotation one week, and then drive steel pipe to rotate one week；Steel pipe often rotates a scale division value, and range sensor will gather once automatically
Distance value, to the distance value of steel pipe upper surface, is passed to PLC simultaneously, and labelling is once by range sensor bottom, and labelling point depends on
Secondary for point 2, point 3 until some n, wherein n is equal with the scale division value of indexer.
6th step, outline data second time in steel pipe circular section gathers: rotating shaft is returned after rotating under the drive of indexer one week
During to starting point, rotating shaft is rotated further one week, and range sensor gathers range sensor bottom again to the distance of steel pipe upper surface
Value, is followed successively by a 1', some 2', puts 3' until some n', and wherein n' is equal with the scale division value of indexer.
7th step, outline data third time in steel pipe circular section gathers: rotating shaft is returned after rotating under the drive of indexer two weeks
During to starting point, rotating shaft is rotated further one week, and range sensor gathers range sensor bottom again to the distance of steel pipe upper surface
Value, is followed successively by a 1'', some 2'', puts 3'' until some n'', and wherein n'' is equal with the scale division value of indexer.
8th step, steel pipe circular section contour curve drafting: PLC point 1, some 1' and some 1'' to gathering carries out calculating averagely
Value, and form new point 1All, the like, form new point 2All, point 3AllUntil some nAll；PLC is by the point 1 after data processAll, point
2All, point 3AllUntil some nAllIt is sequentially connected with and carries out fillet process, just obtain the circular section contour curve in steel pipe cross section to be measured.
In above-described embodiment 1 and embodiment 2, in described 3rd step, steel pipe fixing means, all comprise the steps:
Step A, locating shaft positions: left sliding post sliding to the right, in making the steel pipe that locating shaft stretches in second step and with in steel pipe
Hole is rotatably assorted.
Step B, fixing head closes up: electric magnet is energized, and arc sheetmetal overcomes spring force, and the direction towards central shaft is closed
Hold together, make the opening area of arc sheetmetal less than steel tube inner hole sectional area.
Step C, fixing head stretches into steel tube inner hole: right sliding post sliding to the left, makes the fixing head after closing up stretch in steel pipe
Hole.
Step D, fixing head expansion: after fixing head stretches into endoporus, electric magnet power-off, spring recovers, and fixing head is launched, arc
Shape metallic plate encloses one circular platform type structure of formation, and the opening area of arc sheetmetal is more than steel tube inner hole sectional area, thus
Making fixing head and steel tube inner hole tight fit, steel pipe can rotate with rotating shaft.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the technology concept of the present invention, technical scheme can be carried out multiple equivalents, this
A little equivalents belong to protection scope of the present invention.
Claims (5)
1. one kind utilizes the method that averaging method carries out electric power tower steel pipe circular section contour detecting, it is characterised in that: include
Following steps:
The first step, steel pipe circular section contour detecting device is installed: arrange the arc baseline trough of energy placing steel tubes on reference platform；Left
Sliding post and right sliding post be separately positioned on arc baseline trough both sides and all can left and right sliding, set on the right side of left sliding column bottom
It is equipped with locating shaft, in locating shaft can stretch into the steel pipe being positioned on arc baseline trough and is rotatably assorted with steel tube inner hole；Right sliding
Being provided with rotating shaft on the left of post, the rotating shaft of neighbouring steel pipe one end is provided with fixing head, this fixing head can stretch into and be positioned over arc base
In steel pipe on quasi-groove and with steel tube inner hole tight fit；The other end of rotating shaft is connected with indexer, and rotating shaft can be at indexer
The cycle off and on that carries out under drive rotates；Fixing head includes central shaft, electric magnet, spring, arc sheetmetal and elastic wear-resisting layer；
Central shaft is coaxially fixedly installed with rotating shaft, and electric magnet is built in central shaft, and the circumference of central shaft is evenly arranged with some pieces of arcs
Shape metallic plate, the right-hand member of every piece of arc sheetmetal is all hinged with central shaft, and the left end of every piece of arc sheetmetal all passes through spring
Fix with central shaft and be connected；Elastic wear-resisting layer is coated on the periphery of arc sheetmetal；Horizontal sliding bar is arranged on arc baseline trough
Surface, the two ends of horizontal sliding bar are connected by expansion link is fixing with left sliding post or right sliding post respectively；The end of horizontal sliding bar
Portion slidably connects described range sensor, and range sensor is installed photographic head；
Second step, placing steel tubes: steel pipe is placed in arc baseline trough in the first step；
3rd step, fixing steel pipe and circular section profile part mark to be detected: left sliding post sliding to the right, make locating shaft stretch into the
In steel pipe in two steps and it is rotatably assorted with steel tube inner hole；Right sliding post sliding to the left, makes fixing head stretch into the steel in second step
Pipe in and with steel tube inner hole tight fit；Then, the upper surface at steel pipe marks the position needing to carry out circular section contour detecting；
4th step, range sensor positions: the circle marked in the 3rd step can be cut by the photographic head being arranged on range sensor
Facial contour position to be detected identifies automatically, thus it is to be checked to drive distance telegraphy device to slide onto circular section profile along horizontal sliding bar
Survey the surface at position；
5th step, steel pipe circular section outline data once gathers: range sensor gathers range sensor bottom automatically to steel pipe
The distance value of upper surface, passes to PLC simultaneously by distance value, and is labeled as a little 1；Then, rotating shaft turns under the drive of indexer
Dynamic one week, and then drive steel pipe to rotate one week；Steel pipe often rotates a scale division value, and range sensor will gather once distance automatically
Distance value, to the distance value of steel pipe upper surface, is passed to PLC simultaneously, and labelling is once by sensor bottom, and labelling point is followed successively by
Point 2, point 3 are until some n, and wherein n is equal with the scale division value of indexer；
6th step, outline data second time in steel pipe circular section gathers: rotating shaft has returned to after rotating one week under the drive of indexer
During point, rotating shaft is rotated further one week, and range sensor gathers range sensor bottom again to the distance value of steel pipe upper surface, depends on
Secondary for some a 1', some 2', some 3' until some n', wherein n' is equal with the scale division value of indexer；
7th step, outline data third time in steel pipe circular section gathers: rotating shaft has returned to after rotating two weeks under the drive of indexer
During point, rotating shaft is rotated further one week, and range sensor gathers range sensor bottom again to the distance value of steel pipe upper surface, depends on
Secondary for some a 1'', some 2'', some 3'' until some n'', wherein n'' is equal with the scale division value of indexer；
8th step, steel pipe circular section contour curve drafting: PLC point 1, some 1' and some 1'' to gathering carries out calculating meansigma methods, and
Form new point 1All, the like, form new point 2All, point 3AllUntil some nAll；PLC is by the point 1 after data processAll, point 2All, point
3AllUntil some nAllIt is sequentially connected with and carries out fillet process, just obtain the circular section contour curve in steel pipe cross section to be measured.
The method utilizing averaging method to carry out electric power tower steel pipe circular section contour detecting the most according to claim 1,
It is characterized in that: the electromagnetic attraction in described electric magnet can regulate.
The method utilizing averaging method to carry out electric power tower steel pipe circular section contour detecting the most according to claim 1,
It is characterized in that: the scale division value of described indexer is that 8 indexing or 16 index or 32 indexing.
The method utilizing averaging method to carry out electric power tower steel pipe circular section contour detecting the most according to claim 1,
It is characterized in that: one end that described locating shaft matches with steel tube inner hole is wedge shaped or conical.
The method utilizing averaging method to carry out electric power tower steel pipe circular section contour detecting the most according to claim 1,
It is characterized in that: in described 3rd step, steel pipe fixing means, comprise the steps:
Step A, locating shaft positions: left sliding post sliding to the right, in making the steel pipe that locating shaft stretches in second step and with in steel pipe
Hole is rotatably assorted；
Step B, fixing head closes up: electric magnet is energized, and arc sheetmetal overcomes spring force, and the direction towards central shaft closes up,
Make the opening area of arc sheetmetal less than steel tube inner hole sectional area；
Step C, fixing head stretches into steel tube inner hole: right sliding post sliding to the left, makes the fixing head after closing up stretch into steel tube inner hole；
Step D, fixing head expansion: after fixing head stretches into endoporus, electric magnet power-off, spring recovers, and fixing head is launched, arc gold
Belonging to plate and enclose one circular platform type structure of formation, the opening area of arc sheetmetal is more than steel tube inner hole sectional area, so that solid
Determining head and steel tube inner hole tight fit, steel pipe can rotate with rotating shaft.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413892A (en) * | 2018-01-30 | 2018-08-17 | 华侨大学 | A kind of diamond fretsaw complete cycle 3 d surface topography detection method and its detection device |
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|---|---|
| CN106197316B (en) | 2018-10-26 |
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