CN106248031B - Electric power steel tube inner hole fixing means - Google Patents
Electric power steel tube inner hole fixing means Download PDFInfo
- Publication number
- CN106248031B CN106248031B CN201610575678.1A CN201610575678A CN106248031B CN 106248031 B CN106248031 B CN 106248031B CN 201610575678 A CN201610575678 A CN 201610575678A CN 106248031 B CN106248031 B CN 106248031B
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- CN
- China
- Prior art keywords
- inner hole
- steel tube
- tube inner
- fixing head
- steel pipe
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
Abstract
The invention discloses electric power steel tube inner hole fixing means, including locating shaft to position: left sliding column slides to the right, protrudes into locating shaft in steel pipe and is rotatably assorted；Fixing head is closed up: electromagnet is powered, and arc sheetmetal overcomes spring force, closes up towards the direction of central axis, and open end area is made to be less than steel tube inner hole sectional area；Fixing head protrudes into steel tube inner hole: right sliding column slides to the left, and the fixing head after closing up is made to protrude into steel tube inner hole；Fixing head expansion: after fixing head protrudes into inner hole, electromagnet power-off, spring restores, fixing head expansion, arc sheetmetal are enclosed a circular platform type structure, and open end area is greater than steel tube inner hole sectional area, to make fixing head and steel tube inner hole tight fit, steel pipe can be rotated with shaft.The present invention can enable steel pipe to rotate with shaft, convenient to detect to the circular section profile of steel pipe.Meanwhile fixing head can facilitate and pass in and out from steel tube inner hole, will not damage to steel tube inner hole.
Description
Technical field
The present invention relates to a kind of application method of electric device, especially a kind of electric power steel tube inner hole fixing means.
Background technique
The electric power tower that power Transmission process needs largely to use, electric power tower subangle head tower and steel tube tower.Angle steel tower master
To be used in mountain area, the occasion of communications and transportation inconvenience.In the steel tube tower that plains region largely uses structure simple and direct.Steel tube tower it is main
Structure is steel pipe, and tower body is erected a section connection of steel pipe using bolt.Steel pipe passes through plate sawing sheet, bent plate, pipe
The welding of body gap, school port, end and the methods of ring flange welding and steel tube surface galvanizing by dipping are process.Steel pipe passes through curved
Volume processing, by rectangular flat plate buckling at round tube.Specific process is the short side direction offer feeding in plate, along long side
Direction is bent to a certain degree, and then short side direction continues to feed a distance, and the new position of longitudinal direction is bent again, this
Process is repeated.Identical processing is made to two longitudinal directions of rectangular flat plate respectively, the long back gauge of the two of plate is close,
It is formed with the round tube of opening.Opening is pressed again, two long sides of original plate are welded into one by being welded.Above-mentioned conventional adds
Work method to form the shape of steel pipe by the short side amount of feeding and long side amount of bow of control plate to guarantee, although passing through numerical control programming
Method controls mechanical movement, but true form still has error.In order to guarantee matching for steel pipe both ends and the ring flange that couples
Close, after the welding of the gap of steel pipe, will also the circularity to steel pipe both ends check and shaping, could finally be assembled with ring flange and
Welding.Steel pipe has an impact to the uniformity coefficient of steel pipe endurance, along the circularity of length cross-sectional geometry in particular with electric power
The voltage of transmission is higher and higher, and the height of power tower is also increasing, and the requirement to steel pipe stress-bearing capability is also improving.
Present processing method can only measure diameter to the intermediate cross-section profile of steel pipe, and pair cross-section profile is unable to measure, i.e., without
Method knows practical circular section profile and designs the error size of circular section profile.
Summary of the invention
In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to provide in a kind of electric power steel pipe
Hole fixing means, the electric power steel tube inner hole fixing means can make shaft and steel tube inner hole tight fit, enable steel pipe with shaft into
Row rotation can conveniently know practical circular section profile so that convenient detect the circular section profile of the intermediate cross-section of steel pipe
With the error size of design circular section profile.Meanwhile fixing head can facilitate and pass in and out from steel tube inner hole, will not make to steel tube inner hole
At injury, measurement is accurate convenient and efficient.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of electric power steel tube inner hole fixing means, includes the following steps:
Step A, locating shaft positioning: left sliding column slides to the right, protrudes into locating shaft in the steel pipe in second step simultaneously and steel
Pipe orifice is rotatably assorted；
Step B, fixing head are closed up: electromagnet is powered, and arc sheetmetal overcomes spring force, closes towards the direction of central axis
Hold together, the open end area of arc sheetmetal is made to be less than steel tube inner hole sectional area；
Step C, fixing head protrude into steel tube inner hole: right sliding column slides to the left, protrudes into the fixing head after closing up in steel pipe
Hole；
Step D, fixing head expansion: after fixing head protrudes into inner hole, electromagnet power-off, spring restores, fixing head expansion, arc
Shape metal plate is enclosed a circular platform type structure, and the open end area of arc sheetmetal is greater than steel tube inner hole sectional area, thus
Make fixing head and steel tube inner hole tight fit, steel pipe can be rotated with shaft.
In the step A, before left sliding column slides to the right, according to the size of diameter of steel tube, locating shaft is in left sliding
It is slid upward or downward on column, shaft is slid upward or downward on right sliding column, makes steel pipe, locating shaft and shaft
Axis coincide.
In the step B, before electromagnet is powered, according to the size of steel tube inner hole diameter, the electromagnetism of regulating magnet is inhaled
Power, to control the degree of closing up of arc sheetmetal.
In the step C, when right sliding column slides to the left, the guide section positioned at central axis traveling front end is introduced into steel pipe
Hole enters steel tube inner hole for arc sheetmetal and is oriented to.
The circumferential direction of central axis is evenly arranged with three pieces of arc sheetmetals.
The present invention after adopting the above method, can make shaft and steel tube inner hole tight fit, steel pipe is enable to be rotated with shaft,
The circular section profile of the intermediate cross-section of steel pipe is detected to convenient, can conveniently know that practical circular section profile and design are justified
The error size of cross section profile.Meanwhile fixing head can facilitate and pass in and out from steel tube inner hole, will not damage to steel tube inner hole,
Measurement is accurate convenient and efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of steel pipe circular section contour detecting device in a kind of electric power steel pipe tower of the present invention.
Fig. 2 shows the enlarged structure schematic diagram of fixing head in Fig. 1.
Fig. 3 shows the schematic cross-section of fixing head in Fig. 2.
Specific embodiment
Xia Mianjiehefutuhejuti compare Jia Shishifangshiduibenfamingzuojinyibuxiangxishuoming.
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 column 2, locating shaft 21, right sliding column 3, shaft 31, fixing head 32, protractor 33, in
Mandrel 321, electromagnet 322, spring 323, arc sheetmetal 324, elastic wear-resisting layer 325, guide section 326, open end 327, steel
The technical characteristics such as pipe 4, horizontal sliding bar 5, telescopic rod 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 column, right sliding
Column, locating shaft, shaft, fixing head, protractor, horizontal sliding bar, range sensor and PLC.
The arc baseline trough of energy placing steel tubes is provided on reference platform.
Left sliding column and right sliding column are separately positioned on the two sides of arc baseline trough and can control sliding, left sliding column
Bottom right is provided with locating shaft, and locating shaft can protrude into the steel pipe being placed on arc baseline trough and match with steel tube inner hole rotation
It closes；It is provided with shaft on the left of right sliding column, is provided with fixing head in the shaft of neighbouring steel pipe one end, which can protrude into placement
In in the steel pipe on arc baseline trough and with steel tube inner hole tight fit；The other end of shaft is connected with protractor, and shaft can be
Intermittently period rotation is carried out under the drive of protractor.
Above-mentioned fixing head namely electric power of the invention fix device with steel tube inner hole comprising central axis, electromagnet, bullet
Spring, arc sheetmetal and elastic wear-resisting layer；Central axis is coaxially fixedly installed with shaft, and the other end of shaft is fixed on right sliding column
On, shaft can rotate；Electromagnet is built in central axis, and the circumferential direction of central axis is evenly arranged with several pieces of arc sheetmetals；
Electromagnetic attraction between electromagnet and arc sheetmetal is greater than the elastic force of spring.
The right end of every piece of arc sheetmetal is hinged with central axis, the left end of every piece of arc sheetmetal pass through spring with
Central axis is fixedly connected；Elastic wear-resisting layer is coated on the periphery of arc sheetmetal.
When the electromagnet is powered off, in the raw, all arc sheetmetals are enclosed a circular platform type structure to spring,
The open end area of arc sheetmetal is greater than steel tube inner hole sectional area.
After electromagnet is powered, arc sheetmetal can overcome spring force, close up towards the direction of central axis, keep arc golden
The open end area for belonging to plate is less than steel tube inner hole sectional area.
Electromagnetic attraction in the electromagnet can be adjusted.
The central axis further includes the guide section being set on the left of arc sheetmetal.
The shaft is slidably connected on right sliding column, and shaft can be slided up and down along right sliding column.
The circumferential direction of central axis is perfectly even provided with three pieces of arc sheetmetals.
The surface of arc baseline trough is arranged in horizontal sliding bar, and the both ends of horizontal sliding bar pass through telescopic rod and left sliding respectively
Column or right sliding column are fixedly connected；The basal sliding of horizontal sliding bar is connected with the range sensor.
One end that the locating shaft is matched with steel tube inner hole is wedge shaped or conical.
The scale division value of the protractor is 8 indexing or 16 indexing or 32 indexing.
To the method that steel pipe arbitrary section carries out circular section contour detecting, preferably there is the following two kinds embodiment.
Embodiment 1
The detection method of steel pipe circular section profile, includes the following steps in a kind of electric power steel pipe tower.
The first step, steel pipe circular section contour detecting device installation: the arc benchmark of setting energy placing steel tubes on reference platform
Slot；Left sliding column and right sliding column are separately positioned on the two sides of arc baseline trough and can control sliding, left sliding column bottom
Right side is provided with locating shaft, and locating shaft can be protruded into the steel pipe being placed on arc baseline trough and is rotatably assorted with steel tube inner hole；
It is provided with shaft on the left of right sliding column, is provided with fixing head in the shaft of neighbouring steel pipe one end, which can protrude into and be placed in
In steel pipe on arc baseline trough and with steel tube inner hole tight fit；The other end of shaft is connected with protractor, and shaft can divide
It spends under the drive of device and carries out intermittently period rotation；Fixing head includes central axis, electromagnet, spring, arc sheetmetal and elasticity
Wearing layer；Central axis is coaxially fixedly installed with shaft, and electromagnet is built in central axis, if the circumferential direction of central axis is evenly arranged with
Dry block arc sheetmetal, the right end of every piece of arc sheetmetal are hinged with central axis, and the left end of every piece of arc sheetmetal is logical
Spring is crossed to be fixedly connected with central axis；Elastic wear-resisting layer is coated on the periphery of arc sheetmetal；Horizontal sliding bar is arranged in arc base
The surface of quasi- slot, the both ends of horizontal sliding bar pass through telescopic rod respectively and are fixedly connected with left sliding column or right sliding column；Level is sliding
The basal sliding of bar is connected with the range sensor.
Second step, placing steel tubes: marking the position for needing to carry out circular section contour detecting on steel pipe, will mark
Steel pipe place in arc baseline trough in the first step, and make to mark position upward.
Third step, fixed steel pipe: left sliding column slides to the right, protrudes into locating shaft in the steel pipe in second step simultaneously and steel pipe
Inner hole is rotatably assorted；Right sliding column slides to the left, make fixing head protrude into the steel pipe in second step and with steel tube inner hole tight fit.
Range sensor positioning: 4th step manually or automatically will slide onto steel pipe label along horizontal sliding bar apart from telegraphy device
The surface at position.
5th step, steel pipe circular section contour detecting: table on range sensor automatic collection range sensor bottom end to steel pipe
The distance value in face, while distance value is passed into PLC, and be labeled as point 1；Then, shaft rotates one under the drive of protractor
Week, and then steel pipe is driven to rotate one week；Steel pipe one scale division value of every rotation, range sensor is by Distance-sensing of automatic collection
The distance value of device bottom end to steel pipe upper surface, while distance value is passed into PLC, and mark it is primary, mark point be followed successively by a little 2,
Point 3 is until point n, and wherein n is equal with the scale division value of protractor；PLC is by the point 1 of record, point 2, point 3 until point n is sequentially connected simultaneously
Fillet processing is carried out, the circular section contour curve in steel pipe section to be measured is just obtained.
Embodiment 2
A method of electric power tower steel pipe circular section contour detecting is carried out using averaging method, it is characterised in that: packet
Include following steps.
The first step, steel pipe circular section contour detecting device installation: the arc benchmark of setting energy placing steel tubes on reference platform
Slot；Left sliding column and right sliding column are separately positioned on the two sides of arc baseline trough and can control sliding, left sliding column bottom
Right side is provided with locating shaft, and locating shaft can be protruded into the steel pipe being placed on arc baseline trough and is rotatably assorted with steel tube inner hole；
It is provided with shaft on the left of right sliding column, is provided with fixing head in the shaft of neighbouring steel pipe one end, which can protrude into and be placed in
In steel pipe on arc baseline trough and with steel tube inner hole tight fit；The other end of shaft is connected with protractor, and shaft can divide
It spends under the drive of device and carries out intermittently period rotation；Fixing head includes central axis, electromagnet, spring, arc sheetmetal and elasticity
Wearing layer；Central axis is coaxially fixedly installed with shaft, and electromagnet is built in central axis, if the circumferential direction of central axis is evenly arranged with
Dry block arc sheetmetal, the right end of every piece of arc sheetmetal are hinged with central axis, and the left end of every piece of arc sheetmetal is logical
Spring is crossed to be fixedly connected with central axis；Elastic wear-resisting layer is coated on the periphery of arc sheetmetal；Horizontal sliding bar is arranged in arc base
The surface of quasi- slot, the both ends of horizontal sliding bar pass through telescopic rod respectively and are fixedly connected with left sliding column or right sliding column；Level is sliding
The basal sliding of bar is connected with the range sensor, installs camera on range sensor.
Placing steel tubes: second step steel pipe is placed in arc baseline trough in the first step.
Third step, fixed steel pipe and circular section profile position to be detected mark: left sliding column slides to the right, stretches locating shaft
Enter in the steel pipe in second step and is rotatably assorted with steel tube inner hole；Right sliding column slides to the left, protrudes into fixing head in second step
Steel pipe in and with steel tube inner hole tight fit；Then, it is marked in the upper surface of steel pipe and needs to carry out circular section contour detecting
Position.
4th step, range sensor positioning: the camera being mounted on range sensor can be to marking in third step
Profile position to be detected in circular section carries out automatic identification, slides onto circular section profile along horizontal sliding bar apart from telegraphy device to drive
The surface at position to be detected.
5th step, steel pipe circular section outline data one acquisition: range sensor automatic collection range sensor bottom end is extremely
The distance value of steel pipe upper surface, while distance value is passed into PLC, and be labeled as point 1；Then, drive of the shaft in protractor
Lower rotation one week, and then steel pipe is driven to rotate one week；Steel pipe one scale division value of every rotation, range sensor are primary by automatic collection
The distance value of range sensor bottom end to steel pipe upper surface, while distance value is passed into PLC, and mark it is primary, mark point according to
Secondary is point 2, point 3 until point n, wherein n is equal with the scale division value of protractor.
6th step, second of the acquisition of steel pipe circular section outline data: shaft is rotated under the drive of protractor and is returned after a week
When to starting point, shaft is continued to rotate one week, and range sensor acquires the distance of range sensor bottom end to steel pipe upper surface again
Value is followed successively by point 1', point 2', point 3' until point n', wherein n' is equal with the scale division value of protractor.
7th step, steel pipe circular section outline data third time acquire: shaft is rotated under the drive of protractor and is returned after two weeks
When to starting point, shaft is continued to rotate one week, and range sensor acquires the distance of range sensor bottom end to steel pipe upper surface again
Value is followed successively by point 1'', point 2'', point 3'' until point n'', wherein n'' is equal with the scale division value of protractor.
8th step, steel pipe circular section contour curve are drawn: PLC calculate to the point 1 of acquisition, point 1' and point 1'' average
Value, and form new point 1?, and so on, form new point 2?, point 3?Until point n?；PLC is by the point 1 after data processing?, point
2?, point 3?Until point n?It is sequentially connected and carries out fillet processing, just obtain the circular section contour curve in steel pipe section to be measured.
Steel pipe fixing means namely electric power of the invention in above-described embodiment 1 and embodiment 2, in above-mentioned third step
With steel tube inner hole fixing means, include the following steps:
Step A, locating shaft positioning: left sliding column slides to the right, protrudes into locating shaft in the steel pipe in second step simultaneously and steel
Pipe orifice is rotatably assorted.
Step B, fixing head are closed up: electromagnet is powered, and arc sheetmetal overcomes spring force, closes towards the direction of central axis
Hold together, the open end area of arc sheetmetal is made to be less than steel tube inner hole sectional area.
Step C, fixing head protrude into steel tube inner hole: right sliding column slides to the left, protrudes into the fixing head after closing up in steel pipe
Hole.
Step D, fixing head expansion: after fixing head protrudes into inner hole, electromagnet power-off, spring restores, fixing head expansion, arc
Shape metal plate is enclosed a circular platform type structure, and the open end area of arc sheetmetal is greater than steel tube inner hole sectional area, thus
Make fixing head and steel tube inner hole tight fit, steel pipe can be rotated with shaft.
In the step A, before left sliding column slides to the right, according to the size of diameter of steel tube, locating shaft is in left sliding
It is slid upward or downward on column, shaft is slid upward or downward on right sliding column, makes steel pipe, locating shaft and shaft
Axis coincide.
In the step B, before electromagnet is powered, according to the size of steel tube inner hole diameter, the electromagnetism of regulating magnet is inhaled
Power, to control the degree of closing up of arc sheetmetal.
In the step C, when right sliding column slides to the left, the guide section positioned at central axis traveling front end is introduced into steel pipe
Hole enters steel tube inner hole for arc sheetmetal and is oriented to.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail a variety of equivalents can be carried out to technical solution of the present invention within the scope of the technical concept of the present invention, this
A little equivalents all belong to the scope of protection of the present invention.
Claims (5)
1. a kind of electric power steel tube inner hole fixing means, characterized by the following steps: step A, locating shaft positioning: left
Sliding column slides to the right, protrudes into locating shaft in steel pipe and is rotatably assorted with steel tube inner hole；Step B, fixing head are closed up: electromagnetism
Tie Tong electricity, arc sheetmetal overcome spring force, close up towards the direction of central axis, keep the open end area of arc sheetmetal small
In steel tube inner hole sectional area；Step C, fixing head protrude into steel tube inner hole: right sliding column slides to the left, makes the fixing head after closing up
Protrude into steel tube inner hole；Step D, fixing head expansion: after fixing head protrudes into inner hole, electromagnet power-off, spring restores, fixing head
Expansion, arc sheetmetal are enclosed a circular platform type structure, and the open end area of arc sheetmetal is greater than steel tube inner hole section
Product, to make fixing head and steel tube inner hole tight fit, steel pipe can be rotated with shaft.
2. electric power according to claim 1 steel tube inner hole fixing means, it is characterised in that: in the step A, in left cunning
Before shifting column slides to the right, according to the size of diameter of steel tube, locating shaft is slid upward or downward on left sliding column, shaft
It is slid upward or downward on right sliding column, the axis of steel pipe, locating shaft and shaft is made to coincide.
3. electric power according to claim 1 steel tube inner hole fixing means, it is characterised in that: in the step B, electromagnet
Before energization, according to the size of steel tube inner hole diameter, the electromagnetic attraction of regulating magnet, to control closing up for arc sheetmetal
Degree.
4. electric power according to claim 1 steel tube inner hole fixing means, it is characterised in that: in the step C, right sliding
When column slides to the left, the guide section positioned at central axis traveling front end is introduced into steel tube inner hole, enters in steel pipe for arc sheetmetal
Hole is oriented to.
5. electric power according to claim 1 steel tube inner hole fixing means, it is characterised in that: the circumferential direction of central axis is uniformly set
It is equipped with three pieces of arc sheetmetals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575678.1A CN106248031B (en) | 2016-07-21 | 2016-07-21 | Electric power steel tube inner hole fixing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575678.1A CN106248031B (en) | 2016-07-21 | 2016-07-21 | Electric power steel tube inner hole fixing means |
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| Publication Number | Publication Date |
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| CN106248031A CN106248031A (en) | 2016-12-21 |
| CN106248031B true CN106248031B (en) | 2019-04-23 |
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ID=57613546
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610575678.1A Active CN106248031B (en) | 2016-07-21 | 2016-07-21 | Electric power steel tube inner hole fixing means |
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| CN110685630B (en) * | 2019-10-30 | 2021-07-02 | 宋晶鑫 | Multifunctional Christmas tree packing box device |
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| CN106248031A (en) | 2016-12-21 |
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