CN106052621A - Device capable of carrying out circular section contour detection on multiple sections of power tower steel tube simultaneously - Google Patents
Device capable of carrying out circular section contour detection on multiple sections of power tower steel tube simultaneously Download PDFInfo
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- CN106052621A CN106052621A CN201610612587.0A CN201610612587A CN106052621A CN 106052621 A CN106052621 A CN 106052621A CN 201610612587 A CN201610612587 A CN 201610612587A CN 106052621 A CN106052621 A CN 106052621A
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- Prior art keywords
- steel pipe
- section
- arc
- rotating shaft
- sliding
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- 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
-
- 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
- G01B21/02—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 length, width, or thickness
-
- 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
- G01B21/22—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 angles or tapers; for testing the alignment of axes
- G01B21/24—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 angles or tapers; for testing the alignment of axes for testing alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The application discloses a device capable of carrying out circular section contour detection on multiple sections of a power tower steel tube simultaneously, comprising a conveying track, sliding columns, rotating shafts, electromagnets, intermittent motors, a telescopic rod, arc sliding rods, distance sensors, and a controller. The conveying track is provided with arc benchmark slots. Each sliding column is provided with one rotating shaft. Each rotating shaft is connected with one intermittent motor, and the two intermittent motors can rotate synchronously. An electromagnet is nested in each rotating shaft. The telescopic rod is fixedly arranged at the top ends of the two sliding columns. The bottom of the telescopic rod is connected in a sliding way with the three arc sliding rods. Each arc sliding rod is provided with three distance sensors in parallel, and the top ends of the three distance sensors all can point to the central axis of a power tower steel tube. The distance sensors, the intermittent motors and the electromagnets are connected with the controller. With the device, circular section contour detection can be carried out directly on any section of a steel tube and the coaxiality of the power tower steel tube can be detected, detection is convenient and quick, and the detection values are accurate and reliable.
Description
Technical field
The application relates to a kind of verifying attachment, particularly one can carry out circular section to electric power tower steel pipe multi-section simultaneously
The device of 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.
The Chinese utility model patent application of Application No. 201320308336.5 disclosed in December in 2013 11 days, its
Entitled " the electric power tower aligning device for steel tube " of bright creation, it includes that base, the first column being perpendicular to base and second are vertical
Post, there is a semi-circular recesses described first column upper end, and groove radius is more than the steel pipe radius needing straightening, and described second stands
One circular hole is arranged at post top, and circle hole radius is more than the steel pipe radius needing straightening, it is characterised in that: also include that is fixed on an end
Support on seat, one end of this support is provided with hydraulic cylinder, and the free end of the piston rod of this hydraulic cylinder connects an arc pressuring plate,
Semi-circular recesses on this plate shape pressing plate and the first column is corresponding.Also include the first collateral fagging and the second collateral fagging,
First collateral fagging and the second collateral fagging are connected with base respectively, and the first collateral fagging and the second collateral fagging intersect in X
Shape.During use, one end of steel pipe is inserted in the circular hole of the second column and positions, the crooked position of steel pipe is positioned over
In the semi-circular recesses of the first column, crooked position upwards, starts hydraulic cylinder, and the piston driving arc pressuring plate of hydraulic cylinder moves down,
The bending section of steel pipe is pressed into flat by plate shape pressing plate.Thus simple in construction, use angle steel or the steel pipe of bending, make to be manufactured into electricity
The angle steel of power steel tower or steel pipe are required to have good glacing flatness.
For above-mentioned steel tower steel pipe, we need in advance or after straightening process, detect glacing flatness.The side of processing now
The intermediate cross-section profile of steel pipe can only be measured diameter by method, and pair cross-section profile cannot be measured, and i.e. cannot know that actual circular section is taken turns
The wide error size with design circular section profile.
The Chinese invention patent application of Application No. 201110069188.1 disclosed in 26 days October in 2011, it invents wound
Entitled " the steel pipe circular section contour detecting device of steel tube tower of power tower and the detection method thereof " made, it includes opening
Clamp block, measurement base and measurement arm, wherein connect in opening clamp block and measure base, measures base and is connected with each other with measurement arm；
Whole device is fixed on steel pipe to be measured by opening clamp block；Measure and ring-shaped guide rail is installed on base, measure arm and annularly lead
Rail is around steel pipe rotary to be measured, and its anglec of rotation is more than 120 degree, measures and presses 120 degree of uniform Distance-sensings equipped with three on arm
Device, measures and records the steel pipe contour curve information to be measured more than 120 degree respectively.Above-mentioned opening clamp block, measurement base and survey
Amount arm is hatch frame.The surface symmetrical at least three Luo croze of above-mentioned opening clamp block, with Luo croze on measurement base
Have the oval hole of correspondence on corresponding position, tethered by Luo and connect opening clamp block and measure base.The ring of above-mentioned measurement base
Installing at least two slide blocks on shape guide rail, slide block is connected with the through hole measured on arm respectively；Measure and limited block is installed on arm, measure
Initial point block and terminal block are installed on base, measure the limited block on arm at the initial point block measured on base and terminal gear
Move between block, measure the range of movement of arm slightly larger than 120 degree of angles.Installation site 120 degree of angles each other are gone back on above-mentioned measurement base
Initial point attribute block and post block, be provided with some uniform intermediate markers between initial point attribute block and post block
Block；Position sensor is arranged on measurement arm, and the installation site of position sensor is corresponding with the initial point attribute block measured on base,
Position sensor moves between initial point attribute block and post block, and its range of movement is 120 degree of angles.
During measurement: 1) first by open mouth tongs cover for seat on steel pipe to be measured, by three fixed bolts, opening clamp block is fixed,
Steel pipe to be measured is made to be in the geometric center of opening clamp block jaw；2) by measurement floor installation in opening clamp block, will with Luo bolt
Both are fixing, in Luo croze and measure the position in oval hole on base, make to be measured by adjusting Luo bolt in opening clamp block
Steel pipe is in the geometric center measuring base；3) measure arm along ring-like guide rail around steel pipe rotary to be measured, measure the maximum rotation of arm
Turning scope to be determined by the initial point block being fixed on measurement base and terminal block, these two blocks, for determine block, are fixed on measurement
Limited block on arm is motion block, and motion block can only be determined to rotate between the scope that block limits in above-mentioned two, measures the anglec of rotation of arm
Slightly larger than 120 degree；4) measure the position sensor on arm to be used for detecting initial point, terminal and the position of several intermediate marker blocks,
Thus learn measure on arm three range sensors each comfortable measure during angular position information, range sensor can detect
Obtain the distance measuring head to steel tube surface；5) when the limited block measured on arm is from initial point block, arrive to position sensor
During reaching initial point flag bit, range sensor obtains the information of former and later two sensor head and the tail overlay segments；When position sensor exists
Moving between initial point attribute block and post block, range sensor obtains the effective information each measuring surface away from steel pipe；When
Position sensor moves between post block to limited block to terminal block, and it is again steel pipe distance that range sensor obtains
Overlay information；The effective information having 120 degree to be steel pipe profile in the middle of the information of the most each measurement head gained, head and the tail are respectively arranged with one section
For overlay information；Overlay information processes for data, and the 120 degree of information recorded respectively by three range sensors synthesize to be measured
The information of dimension pipe profile 360 degree, therefore simulates the contour curve of Tube heating furnace position to be measured, completes steel pipe to be measured
Contour detecting.
Above-mentioned patent application, although the circular section profile of steel tower steel pipe can be measured, but, have the most not
Foot:
1. three position sensor detection data have overlap, are not easy to differentiate.
2. the fixing difficulty of an iron rake with three to six teeth steel pipe, needs manually installed fixing, and steel tower steel pipe axial length is long, by vertical for steel tower steel pipe
When being placed on base, axial wild effect easily occurs.
3. steel tower steel pipe is fixed para-position by practical bolt of installing, and when bolt is installed, the wire length of three bolts is very
Difficult controlling, therefore, it is difficult to steel tower steel pipe is fixed on the geometric center of base, therefore, what three position sensors detected cuts
The reliability of facial contour data is the highest.
Summary of the invention
The application to solve the technical problem that being for above-mentioned the deficiencies in the prior art, and provides the one can be simultaneously to electric power
Steel tower steel pipe multi-section carries out the device of circular section contour detecting, and this can carry out circular section to electric power tower steel pipe multi-section simultaneously
The device of contour detecting directly can carry out the detection of circular section profile to steel pipe arbitrary section, the most also coaxial to steel tower steel pipe
Degree detects, easy to detect fast, detected value accurately, reliable.
For solving above-mentioned technical problem, the application the technical scheme is that
A kind of device that electric power tower steel pipe multi-section can carry out circular section contour detecting simultaneously, including delivery track, sliding
Post, rotating shaft, electric magnet, gap motor, expansion link, arc slide bar, range sensor and controller.
Several arc baseline troughs being parallel to each other and all placing steel tower steel pipe it are provided with on delivery track, one of them
Arc baseline trough is detection station.
The both sides of detection station are each provided with a sliding post, and every sliding post all energy left and right sliding, every sliding post refers to
Be provided with a rotating shaft to the side of arc baseline trough, two rotating shafts all can stretch into the steel tower steel being positioned on arc baseline trough
In pipe orifice.
Every rotating shaft connects an interval motor, two interval motor energy synchronous rotaries；All it is nested with in every rotating shaft
Electric magnet.
Expansion link is fixedly installed on the top of two sliding posts, and expansion link basal sliding connects has three arc slide bars, often
All being set side by side with three range sensors on root arc slide bar, steel tower steel pipe all can be pointed in the top of three range sensors
Central axis.
Each range sensor, intermittently motor are all connected with controller with electric magnet.
Described expansion link includes being positioned at the benchmark section at middle part and being positioned at the telescopic section of benchmark section both sides, and benchmark section is that hollow sets
Putting, arc sliding bar is connected in benchmark section, and telescopic section is stretched in the cavity entering benchmark section.
Two interval motors are all connected with an indexer, and the scale division value of indexer is that 8 indexing or 16 index or 32 indexing.
Every rotating shaft periphery is all coated with elastic wear-resisting layer.
The top of every rotating shaft is the most wedge shaped or conical.
After the application uses said structure, have the advantages that
1. rotating shaft can carry out intermittent rotary under the drive of interval motor.After steel tower steel tube inner hole is stretched in rotating shaft, electromagnetism Tie Tong
Electricity, tightly adsorbs steel tower steel pipe in rotating shaft periphery, makes steel tower steel pipe form integrative-structure with rotating shaft, so that steel tower steel pipe energy
Rotate with rotating shaft gap and carry out intermittent rotary.
2. working as the every intermittent rotary of steel tower steel pipe once, three range sensors on every arc slide bar can be to steel tower steel pipe
Same circular section carry out three secondary data samplings, each range sensor all can detecting distance transducer tip to steel tower steel pipe
The distance value of outer surface.When steel tower steel pipe rotates one week, and three range sensors will be sampled several times, each distance is passed
The sampled value of sensor is all fitted, and is respectively formed a circular section contour curve.Namely rotating shaft often rotates once, same steel tower steel
That manages same circular section can obtain three circular section contour curves, take middle one group as immediate circle contour curve
Or use mean value method.It is thus possible to avoid test error, testing precision is high.
3. three arc slide bars are slid onto diverse location, when axis of rotation one week, by can be simultaneously on steel tower steel pipe
The cross section of three diverse locations carries out circular section profile and detects.Three arc slide bars are slid onto the two of steel tower steel pipe respectively
End and middle part, then can detect the axiality of steel tower steel pipe or glacing flatness.
4. in an iron rake with three to six teeth steel pipe only need to be placed on arc baseline trough, it is not necessary to manually installed fixing, it is not required that to carry out
Geometric center para-position, test operation is simple, and test data reliability is high.
Accompanying drawing explanation
Fig. 1 is the knot of a kind of device that electric power tower steel pipe multi-section can carry out circular section contour detecting simultaneously of the application
Structure schematic diagram.
Detailed description of the invention
With concrete better embodiment, the application is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of device that can electric power tower steel pipe multi-section be carried out circular section contour detecting simultaneously, wherein
Have delivery track 1, arc baseline trough 11, sliding post 2, rotating shaft 21, electric magnet 22, gap motor 23, expansion link 3, benchmark section 31,
The technical characteristics such as telescopic section 32, arc slide bar 4, range sensor 5 and steel tower steel pipe 6.
A kind of device that can electric power tower steel pipe multi-section be carried out circular section contour detecting simultaneously, including delivery track,
Sliding post, rotating shaft, electric magnet, gap motor, expansion link, arc slide bar, range sensor and controller.
Several arc baseline troughs being parallel to each other and all placing steel tower steel pipe it are provided with on delivery track, one of them
Arc baseline trough is detection station.
The both sides of detection station are each provided with a sliding post, and every sliding post all energy left and right sliding, every sliding post refers to
Be provided with a rotating shaft to the side of arc baseline trough, two rotating shafts all can stretch into the steel tower steel being positioned on arc baseline trough
In pipe orifice.
Every rotating shaft connects an interval motor, two interval motor energy synchronous rotaries；All it is nested with in every rotating shaft
Electric magnet.
Expansion link is fixedly installed on the top of two sliding posts, and expansion link basal sliding connects has three arc slide bars, often
All being set side by side with three range sensors on root arc slide bar, steel tower steel pipe all can be pointed in the top of three range sensors
Central axis.
Each range sensor, intermittently motor are all connected with controller with electric magnet.
Described expansion link includes being positioned at the benchmark section at middle part and being positioned at the telescopic section of benchmark section both sides, and benchmark section is that hollow sets
Putting, arc sliding bar is connected in benchmark section, and telescopic section is stretched in the cavity entering benchmark section.
Two interval motors are all connected with an indexer, and the scale division value of indexer is that 8 indexing or 16 index or 32 indexing.
Every rotating shaft periphery is all coated with elastic wear-resisting layer.
The top of every rotating shaft is the most wedge shaped or conical.
After the application uses said structure, have the advantages that
1. rotating shaft can carry out intermittent rotary under the drive of interval motor.After steel tower steel tube inner hole is stretched in rotating shaft, electromagnetism Tie Tong
Electricity, tightly adsorbs steel tower steel pipe in rotating shaft periphery, makes steel tower steel pipe form integrative-structure with rotating shaft, so that steel tower steel pipe energy
Rotate with rotating shaft gap and carry out intermittent rotary.
2. working as the every intermittent rotary of steel tower steel pipe once, three range sensors on every arc slide bar can be to steel tower steel pipe
Same circular section carry out three secondary data samplings, each range sensor all can detecting distance transducer tip to steel tower steel pipe
The distance value of outer surface.When steel tower steel pipe rotates one week, and three range sensors will be sampled several times, each distance is passed
The sampled value of sensor is all fitted, and is respectively formed a circular section contour curve.Namely rotating shaft often rotates once, same steel tower steel
That manages same circular section can obtain three circular section contour curves, take middle one group as immediate circle contour curve
Or use mean value method.It is thus possible to avoid test error, testing precision is high.
3. three arc slide bars are slid onto diverse location, when axis of rotation one week, by can be simultaneously on steel tower steel pipe
The cross section of three diverse locations carries out circular section profile and detects.Three arc slide bars are slid onto the two of steel tower steel pipe respectively
End and middle part, then can detect the axiality of steel tower steel pipe or glacing flatness.
4. in an iron rake with three to six teeth steel pipe only need to be placed on arc baseline trough, it is not necessary to manually installed fixing, it is not required that to carry out
Geometric center para-position, test operation is simple, and test data reliability is high.
The preferred implementation of the application described in detail above, but, the application is not limited in above-mentioned embodiment
Detail, in the technology concept of the application, the technical scheme of the application can be carried out multiple equivalents, this
A little equivalents belong to the protection domain of the application.
Claims (5)
1. the device that can electric power tower steel pipe multi-section be carried out circular section contour detecting simultaneously, it is characterised in that: include
Delivery track, sliding post, rotating shaft, electric magnet, gap motor, expansion link, arc slide bar, range sensor and controller；
Several arc baseline troughs being parallel to each other and all placing steel tower steel pipe, one of them arc it is provided with on delivery track
Baseline trough is detection station；
The both sides of detection station are each provided with a sliding post, and every sliding post all energy left and right sliding, every sliding post points to arc
The side of shape baseline trough is provided with a rotating shaft, and two rotating shafts all can be stretched in the steel tower steel pipe being positioned on arc baseline trough
In hole；
Every rotating shaft connects an interval motor, two interval motor energy synchronous rotaries；Electromagnetism all it is nested with in every rotating shaft
Ferrum；
Expansion link is fixedly installed on the top of two sliding posts, and expansion link basal sliding connects three arc slide bars, every arc
All being set side by side with three range sensors on shape slide bar, the center of steel tower steel pipe all can be pointed in the top of three range sensors
Axis；
Each range sensor, intermittently motor are all connected with controller with electric magnet.
The device that electric power tower steel pipe multi-section can be carried out circular section contour detecting simultaneously the most according to claim 1,
It is characterized in that: described expansion link includes being positioned at the benchmark section at middle part and being positioned at the telescopic section of benchmark section both sides, benchmark Duan Weizhong
Empty setting, arc sliding bar is connected in benchmark section, and telescopic section is stretched in the cavity entering benchmark section.
The device that electric power tower steel pipe multi-section can be carried out circular section contour detecting simultaneously the most according to claim 1,
It is characterized in that: two interval motors are all connected with an indexer, the scale division value of indexer is that 8 indexing or 16 index or 32 points
Degree.
The device that electric power tower steel pipe multi-section can be carried out circular section contour detecting simultaneously the most according to claim 1,
It is characterized in that: every rotating shaft periphery is all coated with elastic wear-resisting layer.
The device that electric power tower steel pipe multi-section can be carried out circular section contour detecting simultaneously the most according to claim 1,
It is characterized in that: the top of every rotating shaft is the most wedge shaped or conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610612587.0A CN106052621A (en) | 2016-07-28 | 2016-07-28 | Device capable of carrying out circular section contour detection on multiple sections of power tower steel tube simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610612587.0A CN106052621A (en) | 2016-07-28 | 2016-07-28 | Device capable of carrying out circular section contour detection on multiple sections of power tower steel tube simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106052621A true CN106052621A (en) | 2016-10-26 |
Family
ID=57196777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610612587.0A Pending CN106052621A (en) | 2016-07-28 | 2016-07-28 | Device capable of carrying out circular section contour detection on multiple sections of power tower steel tube simultaneously |
Country Status (1)
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Citations (7)
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| CN101013026A (en) * | 2007-02-05 | 2007-08-08 | 深圳深蓝精机有限公司 | Laser outer diameter detecting instrument |
| CN102226694A (en) * | 2011-03-11 | 2011-10-26 | 广东安恒铁塔钢构有限公司 | Steel pipe circular cross section contour detection apparatus of electric power steel pipe tower and detection method thereof |
| JP2012159209A (en) * | 2011-01-28 | 2012-08-23 | Mitsubishi Heavy Ind Ltd | Inspection system and inspection method for heat transfer pipe |
| CN103512486A (en) * | 2012-06-28 | 2014-01-15 | 成都陵川特种工业有限责任公司 | Roundness detector for detecting roundness of wheel |
| CN205332986U (en) * | 2016-02-02 | 2016-06-22 | 山东泰丰钢业有限公司 | Novel ellipse roundness detection of steel pipe device |
| CN205909807U (en) * | 2016-07-28 | 2017-01-25 | 无锡乐华自动化科技有限公司 | Can be simultaneously make plausible device of section contour detection to electric power iron tower steel pipe many cross -sections |
-
2016
- 2016-07-28 CN CN201610612587.0A patent/CN106052621A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042416A (en) * | 1988-11-03 | 1990-05-23 | 清华大学 | Macro-axis circularity, beat clinical measurement method and instrument |
| CN101013026A (en) * | 2007-02-05 | 2007-08-08 | 深圳深蓝精机有限公司 | Laser outer diameter detecting instrument |
| JP2012159209A (en) * | 2011-01-28 | 2012-08-23 | Mitsubishi Heavy Ind Ltd | Inspection system and inspection method for heat transfer pipe |
| CN102226694A (en) * | 2011-03-11 | 2011-10-26 | 广东安恒铁塔钢构有限公司 | Steel pipe circular cross section contour detection apparatus of electric power steel pipe tower and detection method thereof |
| CN103512486A (en) * | 2012-06-28 | 2014-01-15 | 成都陵川特种工业有限责任公司 | Roundness detector for detecting roundness of wheel |
| CN205332986U (en) * | 2016-02-02 | 2016-06-22 | 山东泰丰钢业有限公司 | Novel ellipse roundness detection of steel pipe device |
| CN205909807U (en) * | 2016-07-28 | 2017-01-25 | 无锡乐华自动化科技有限公司 | Can be simultaneously make plausible device of section contour detection to electric power iron tower steel pipe many cross -sections |
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Application publication date: 20161026 |
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