CN109425653A - A kind of power device for steel tube flaw detection - Google Patents
A kind of power device for steel tube flaw detection Download PDFInfo
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- CN109425653A CN109425653A CN201710734917.8A CN201710734917A CN109425653A CN 109425653 A CN109425653 A CN 109425653A CN 201710734917 A CN201710734917 A CN 201710734917A CN 109425653 A CN109425653 A CN 109425653A
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- 238000007906 compression Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
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- 238000005096 rolling process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/9026—Arrangements for scanning by moving the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/27—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the material relative to a stationary sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
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- G01N2291/2634—Surfaces cylindrical from outside
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2636—Surfaces cylindrical from inside
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Abstract
The invention discloses a kind of power devices for steel tube flaw detection, including steel pipe transmission device, it is characterized in that, steel pipe transmission device includes the steel pipe advancement mechanism for driving steel pipe to advance along axis, it further include the steel pipe rotary mechanism for driving steel pipe to rotate centered on axial line；Steel pipe advancement mechanism includes a pair of of advancing roller, advancing roller peripheral surface is provided with the frictional groove of concave arc, the frictional groove of advancing roller peripheral surface, which faces, to be arranged and is used for steel pipe sandwiched in the inner, two advancing rollers are sequentially connected each by a set of advance roller transmission mechanism and the same steel pipe advance with motor, and steel pipe advance motor is for driving two advancing roller relative rotation to drive steel pipe to move ahead.The present invention has structure simple, and compact layout is reliable and stable, can be realized the advantages of steel pipe advances transmission spirally to improve steel pipe probe inspected area, improve test reliability.
Description
Technical field
The present invention relates to a kind of steel tube flaw detection detection devices；More particularly to a kind of power device for steel tube flaw detection.
Background technique
Steel pipe is a kind of widely applied important steel material, since various factors influences during steel pipe's production,
The defects of longitudinal crack, transversal crack, folding, layering are commonly present in steel pipe walls.It will be during use if steel pipe is defective
Rupture causes accident, or even causes serious consequence, may cause heavy economic losses even casualties, thus important use
Steel pipe requires perfect non-destructive detecting device, carries out line flaw detection to steel pipe.To guarantee the quality of factory steel pipe, existing spy
Hurting mode mainly has ultrasonic examination and the eddy current inspection method of inspection.Existing steel tube flaw detection line, often by ultrasonic inspection and whirlpool
Stream flaw detection is used as individual operating system, but with the raising that present Tube heating furnace requires, often needs to complete it two kinds of detections,
At this moment it just needs operator by the steel pipe blanking after the completion of passing through a kind of flaw detection, then is transferred to lower road carrying out flaw detection, there are work
It repeats, large labor intensity, examines the disadvantage that the cycle of operation is long, inefficient, become one for restricting steel tube flaw detection detection speed
Factor.
In existing steel tube flaw detection equipment, either import equipment or home equipment, natural pipe through roll forming it
Afterwards, flaw detection link can just be entered.It transported since rolled steel tube surface inevitably exists, place improper and itself stress
Secular distortion or external factor influence etc., these factors will lead to deform again before steel tube flaw detection, such as locates not in time
Reason, the steel pipe of deformation can be because of straightness or surface quality is bad that flaw detection effect is had an impact, it cannot be guaranteed that the stabilization of flaw detection
Property.It if clearing up not in time, can make a big impact to flaw detection, serious interference be generated during flaw detection, or even mistake can be generated
The case where report is even failed to report.
Meanwhile ultrasonic automatic flaw detection apparatus, especially in the flaw detection industry neck of the steel pipe part using ultrasound detection
Domain has a wide range of applications, such as automatic flaw detection device for steel pipe part etc..The existing online ultrasonic inspection of steel pipe, generally
Line flaw detection is carried out using the method for probe moisture film coupling.When carrying out free of Automatic Ultrasonic Flaw Detector to steel pipe, will usually it visit
At a certain distance from head is attached to outer surface of steel tube with certain mechanical mechanism, make to pop one's head in by adjusting the regulating system on probe holder
There are certain gaps between steel pipe, and water-filling forms coupling moisture film, detects a flaw by ultrasound emission.In practical automatic spy
During wound, since steel pipe is in the transmission process of detection, the probe of existing ultrasonic automatic flaw detection apparatus is usually direct
It is fixed on probe bracket, and probe bracket is fixedly connected with flaw detection water tank, because steel pipe model is more, probe fixation is set
It sets, is unable to satisfy the flaw detection demand of various different model steel pipes.Simultaneously during steel tube flaw detection, encounters the position of the default in the steel pipe and pass through
When, it is easy and probe touching leads to the vibration of probe and stick up to turn, so that the variation of flaw indication amplitude is caused, if cannot be timely
It adjusts, also will affect the reliability and accuracy of flaw detection.For eddy current inspection, there is also identical problems.
In addition, for existing failure detector, when flaw detection is that probe and steel pipe diametrically move realization along steel pipe and visit
Wound, inspected area is limited, be easy to cause missing inspection.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide a kind of structure letter
Single, compact layout is reliable and stable, can be realized steel pipe and advances transmission spirally to improve steel pipe probe inspected area, improves and visit
Hurt the power device for steel tube flaw detection of reliability.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of power device for steel tube flaw detection, including steel pipe transmission device, which is characterized in that steel pipe transmission device includes using
It further include the steel pipe for driving steel pipe to rotate centered on axial line in the steel pipe advancement mechanism for driving steel pipe to advance along axis
Rotating mechanism；
Steel pipe advancement mechanism includes a pair of of advancing roller, and advancing roller peripheral surface is provided with the frictional groove of concave arc, advancing roller week
It faces and is arranged and in the inner, two advancing rollers to be passed each by a set of advancing roller by steel pipe sandwiched to the frictional groove on surface
Motivation structure and the same steel pipe advance are sequentially connected with motor, and steel pipe advance is with motor for driving two advancing roller relative rotation
To drive steel pipe to move ahead；
Steel pipe advancement mechanism further includes the advancing roller mounting rack an of rectangular frame structure, and the advancing roller is mounted on advancing roller peace
In shelving；
The steel pipe rotary mechanism includes main transmission cabinet, and main transmission cabinet can turn along the rear and front end in steel pipe progress path direction
It is provided with guide sleeve dynamicly, hollow spindle is fixedly connected between guide sleeve, the guide sleeve and hollow spindle inner cavity constitute steel pipe and advance
The rear and front end in path, the advancing roller mounting rack is fixed on hollow spindle, and rotation is further fixedly arranged on hollow spindle
Turn output wheel, rotates output wheel and steel pipe rotary is sequentially connected with motor.
In this way, steel pipe is rotated while forward, so that itself being in what rotation moved ahead when steel pipe aligning
State, so that straightening roll and the areal extent of steel pipe contact increase in the unit time, improve leveling effect and efficiency.Together
When, steel pipe is to rotate forward mode, so that the inspected area popped one's head in steel pipe defectoscope is bigger, it can be by fixed spy
Head realizes the flaw detection in steel pipe circumferential direction, preferably avoids missing inspection, enhances the reliability and stability of flaw detection, allows to rely on
Less probe realizes better flaw detection effect；
Wherein, steel pipe drives realization to advance by the advancing roller of a pair of synchronous relative rotation, it is reliable to guarantee that steel pipe advances, and avoid
Force imbalance leads to pipe deformation to influence subsequent flaw detection, better ensures that flaw detection effect.
Wherein, hollow spindle rotation is driven by belt pulley with motor by steel pipe rotary, and then drives entire advancing roller
Mounting rack rotation, is rotated so that steel pipe is driven while being driven advance.Therefore the steel pipe rotary mechanism is able to drive steel
The advantages that pipe will not influence moving ahead for steel pipe while rotation, have structure simple, reliable transmission, and rotation output is stablized.
As optimization, in steel pipe advancement mechanism, two intervals side by side are rotatably mounted in advancing roller mounting rack inner cavity
The advance roll shaft of setting, perpendicular to steel pipe motion path, advancing roller is mounted on advance roll shaft plane where two advance roll shafts,
Advance roller transmission mechanism includes the advance roll shaft, further include and advance roll shaft spaced jackshaft, jackshaft can side by side
It is rotatably mounted on advancing roller mounting rack and the power intake with a stretching advancing roller mounting rack, two sets of advancing rollers passes
The power intake of respective jackshaft stretches out in the not ipsilateral of advancing roller mounting rack in motivation structure, and jackshaft is located at advancing roller peace
Part in shelving is sequentially connected by an external gear wheel and corresponding advance roll shaft, and jackshaft is located at outside advancing roller mounting rack
Worm gear is installed, worm gear and one are parallel to steel pipe motion path direction and are arranged on the outside of advancing roller mounting rack on power intake
The worm screw in face engages, and one end of each comfortable same direction of the worm screw of two sets of advance roller transmission mechanisms is provided with gear and a power
Input gear engagement, the power input gear are arranged perpendicular to steel pipe motion path and are installed in rotation on advancing roller installation
On frame outer end face, the advancing roller mounting rack is along the rear and front end end face in steel pipe motion path direction and power input gear
There are the space passed through for steel pipe, one end of power input gear and steel pipe advance are sequentially connected with motor in portion.
The steel pipe advancement mechanism in this way can advance opposite with electronic while two advancing rollers of drive by the same steel pipe
The transmission of steel pipe is better achieved in synchronous rotary.Steel pipe advancement mechanism itself has structure simple simultaneously, and layout is ingenious compact,
The advantages that reliable transmission.
Further, one end of power input gear is sequentially connected by belt and steel pipe advance with motor, this spline structure
Simple and reliable transmission.Further, steel pipe advance electricity consumption machine is located on the bottom plate below advancing roller mounting rack, the letter of this spline structure
List and installation and power is facilitated to transmit.
As optimization, tube fraction power adjustment mechanism, the tube fraction power adjustment are additionally provided in steel pipe advancement mechanism
Mechanism includes spaced a pair of of lever drive plate arranged side by side, and plane where lever drive plate is parallel with steel pipe direction of advance, thick stick
Bar driver plate is installed in rotation on jackshaft described in same root, and lever drive plate is located at the peace of one end in advancing roller mounting rack
Equipped with an advance roll shaft and adjusting advance roll shaft is constituted, is laterally fixedly connected between two lever drive plate rear ends
One piece of adjustable plate is provided with the adjustment hole of a bar shaped on adjustable plate along steel pipe direction of advance, is vertically installed with one in adjustment hole
Root adjusts bolt, adjusts bolt one end and is fixed on advancing roller mounting rack, and the upper and lower surface that adjusting bolt is located at adjustable plate is respectively revolved
It is connected to a location nut.
In this way, the position on bolt can be being adjusted by adjustable plate is adjusted, and then by the rotation band of lever drive plate
The advancing roller realization on the adjusting advance roll shaft is moved to the compression of steel pipe, and then realizes the tune to tube fraction power size
It saves, adjusting position is transferred to by advancing roller mounting rack external position, more convenient adjusting behaviour using lever drive plate in the structure
Make and laborsaving, while lever drive plate makes not influencing advance roller transmission mechanism in its adjustment process using jackshaft as axis of rotation
Drive mechanism；Therefore have many advantages, such as that structure is simple, it adjusts reliable convenient and efficient laborsaving.Meanwhile the structure can also facilitate tune
Whole realize is driven the compression of different size model steel pipe.
Further, the rotation output wheel is belt pulley and is connected by belt mechanism and steel pipe rotary motor drive
It connects；Keep its structure simple, it is low in cost, be conducive to implement and it is low in cost.Still further, the steel pipe rotary is arranged with motor
It is set side by side below main transmission cabinet and with steel pipe advance with motor, keeps its compact-sized, easy for installation, reliable transmission.
In conclusion the present invention has structure simple, compact layout is reliable and stable, can be realized steel pipe and spirally advances
The advantages of transmission is to improve steel pipe probe inspected area, improve test reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram using a kind of steel tube flaw detection system of structure of the invention.Steel pipe charging aligning in figure
Device part is to adjust side plate to split state to show internal structure.
Fig. 2 is the top view of the steel pipe feed straightening device in Fig. 1.
Fig. 3 is the structural schematic diagram of straightening roll regulating mechanism in Fig. 2.
Fig. 4 is the attachment structure schematic diagram of benchmark straightening roll and benchmark side plate in Fig. 2, (benchmark is only shown in figure
With straightening roll).
Fig. 5 is the schematic perspective view of steel pipe transmission device in Fig. 1, (location nut is omitted in figure and adjusts spiral shell
Bolt).
Fig. 6 is that Fig. 5 rotates the view after an angle.
Fig. 7 is the main view of steel pipe defectoscope in Fig. 1, (bolt is omitted in figure).
Fig. 8 is the structural schematic diagram rotated Fig. 7 after one angle.
Fig. 9 is that Fig. 7 is rotated to the structural schematic diagram after another angle.
Figure 10 is the vertical cross-sectional of steel pipe defectoscope.
Specific embodiment
The present invention is made below with reference to a kind of steel tube flaw detection system and its attached drawing for using structure of the invention further
It is described in detail.
When specific implementation: as shown in Figures 1 to 10.
A kind of steel tube flaw detection system, including bottom plate are provided with the steel for driving steel pipe to move in the axial direction on bottom plate
Pipe transmission device 1 and the steel pipe defectoscope 2 being arranged on steel pipe motion path further include the steel pipe charging being arranged on bottom plate
Straightener 3, steel pipe feed straightening device 3 are set to steel pipe transmission device feed end and the aligning for realizing steel pipe.
It detects a flaw, can preferably avoid, steel pipe is led because of self-deformation in this way, being fed again after first being aligned to steel pipe
Straightness or the bad influence generated for flaw detection effect of surface quality are caused, the accuracy and reliability of flaw detection is improved.
Wherein, steel pipe feed straightening device 3 includes the straightening roll 4 being arranged in pairs, and 4 peripheral surface of straightening roll is middle part indent
Arc, two straightening rolls 4 are arranged in the left and right directions two sides of steel pipe motion path, and two straightening rolls 4 in each pair of straightening roll 4
Axial line misplace and be obliquely installed up and down along the steel pipe direction of motion so that two straightening rolls 4 are respectively and steel tube surface formation two
Symmetrical helix contact.
In this way, forming two symmetrical helix contacts with straightening roll during steel pipe advances and realizing aligning, therefore only need one
Aligning on one segment length direction of steel pipe can be realized to straightening roll, and stress balance, structure are simple and leveling effect is good.More preferably
Selection be that straightening roll and steel tube surface contact the every helix to be formed and rotate 180 degree range in steel tube surface circumferential direction；This
The helix of sample a pair of straightening roll is upwardly formed 360 encirclements in steel pipe entire week just, it is ensured that steel tube surface is in the circumferential by equal
The straightening force of weighing apparatus, outer wall of steel pipe is by the straightening roll of two sides while to steel pipe center position rolling extrusion, by the pipe of surface irregularity
Wall leveling, guarantees to can also ensure that the rounding off effect in circumferential direction while the leveling effect on steel pipe whole length direction, make
It is aligned and rounding off effect reaches most preferably, improves tube bending situation and surface defect, and then better ensure that subsequent flaw detection
Reliability.
Wherein, steel pipe feed straightening device 3 includes one piece of base being vertically oppositely arranged at left and right sides of steel pipe motion path
Quasi- side plate 5 and one block of adjusting side plate 6, benchmark side plate 5 and adjusting side plate 6 are arranged and are parallel to each other along steel pipe motion path direction；
5 medial surface of benchmark side plate is fixedly installed on a column straightening roll bottom plate 7 and the column straightening roll bottom plate 7 along steel pipe motion path direction
The straightening roll of installation forms benchmark straightening roll, adjusts 6 medial surface of side plate and benchmark with straightening roll face and is provided with column aligning
Straightening roll regulating mechanism is respectively arranged on roller bottom plate 7 and the column straightening roll bottom plate 7, before straightening roll regulating mechanism face steel pipe
End is provided with straightening roll 4 and forms adjusting straightening roll, and benchmark straightening roll and adjusting are arranged in pairs and are used for one by one with straightening roll
Realize and the compression of steel pipe aligned, straightening roll regulating mechanism for changing adjusting straightening roll and steel pipe distance.
In this way, by straightening roll regulating mechanism, can with each pair of straightening roll of Primary regulation to the compression straightening force of steel pipe so that
Compression straightening force is incremented by successively along steel pipe direction of advance, and steel pipe progressively repeatedly carries out extruding aligning in feed straightening device,
Final leveling effect is improved, and then better ensures that the reliability of subsequent flaw detection.The benchmark straightening roll of steel pipe side simultaneously, can
Using the positioning datum as adjusting, better ensure that steel pipe center line is consistent with motion path, after guaranteeing that steel pipe is finally aligned
Straightness.Better choice is the contact pressure of benchmark straightening roll and steel pipe, is successively passed from small to large along the steel pipe direction of motion
It adds and sets.It can better ensure that each pair of straightening roll compresses straightening force and is adjusted to after being sequentially increased along the steel pipe direction of motion in this way,
Its steel pipe center line is still consistent with motion path；Better ensure that leveling effect.
Wherein, benchmark is corresponded on the benchmark side plate 5, and straightening roll is provided with intermeshing drive bevel gear 8 and passive
Helical gear 9, the steel pipe advance in the drive bevel gear 8 and steel pipe transmission device 1 are sequentially connected with motor, the passive helical teeth
Wheel 9 and benchmark are fixedly and coaxially connected with straightening roll.
In this way, benchmark straightening roll is by the motor in steel pipe transmission device for driving steel pipe to advance, active rotation is applied again
Power Yu Gangguan actively exerts a force to steel pipe, can better ensure that steel pipe leveling effect.Using benchmark straightening roll and motor phase
Even, it is ensured that the stability and reliability of transmission.
Wherein, steel pipe feed straightening device 3 includes an aligning case, and aligning case includes that the vertically arranged steel pipe that is located at moves
Two blocks of side plates of path left and right directions and two end plates 10 positioned at steel pipe motion path direction, two blocks of side plates and two end plates enclose
It rectangular frame and is fixed on bottom plate, the opening passed through for steel pipe is offered in the middle part of two end plates, two blocks of side plates form described
Benchmark side plate 5 and adjusting side plate 6.
In this way, aligning case is as a whole, it can better ensure that straightening roll and align the installation of pipe regulating mechanism,
Guarantee the mutual alignment relation between straightening roll, better ensures that leveling effect.
Wherein, it is also laterally fixedly connected between two blocks of side plates and is provided with transverse reinforced bar.It can preferably improve so strong
Straight case intensity, the intensity for guaranteeing that each pair of straightening roll mutually exerts a force meet leveling effect enough.
Wherein, two sections of opposite adjusting arcuate sockets 9 ' are provided on straightening roll bottom plate 7, two sections of adjustings are based on arcuate socket
The same center of circle is arranged and the center location horizontal face 7 upper straightening roll center of straightening roll bottom plate is arranged, on side plate respectively
Corresponding two sections of adjustings are provided with bolt with arcuate socket and are pierced by adjusting arcuate socket 9 ' and by nut realization fixation.
In this way, two sections of adjusting arcuate sockets can be relied on, change the setting angle of straightening roll bottom plate, due to straightening roll and steel
Pipe is that the mode that helix contact compresses compresses adjusting, therefore can change aligning roller end along straightening roll center rotating and straightening roller
The adjustment to straightening roll pressing force may be implemented to the pressing force size of steel pipe in portion.Especially on benchmark side plate
Benchmark straightening roll, due to needing as the benchmark for compressing adjusting, therefore its far and near position apart from steel pipe can not after setting
Change adjustment, therefore when using causing straightening force to reduce after a period of time straightening roll surface abrasion, leveling effect is unable to get guarantor
Card.The straightening roll that just can only more renew at this time；But after the mounting structure for using the adjusting arcuate socket, when on benchmark side plate
After benchmark straightening roll surface abrasion causes straightening force to reduce, straightening roll pair can be improved by changing straightening roll setting angle
The pressing force of steel pipe, therefore the service life of straightening roll can be extended to a certain extent, dramatically save production cost.
Wherein, straightening roll bottom plate 7 is circular slab, and correspond to the center of circle identical for the circular slab center of circle and adjusting arcuate socket, aligns
Angle scale 11 is provided on side plate on the outside of 7 upper end of roller bottom plate, face angle scale 11 is arranged angled on straightening roll bottom plate 7
Cursor line.
When needing to rotate adjusting straightening roll bottom plate angle in this way, needed for can preferably being precisely adjusted according to angle scale
Angular dimension.
Wherein, the straightening roll regulating mechanism, including straightening roll plate outer side Middle face evagination and run through side panel appearance
The rotary table 12 in face, rotary table 12 and side plate fixed setting, 12 middle part of rotary table are arranged along axial line through rotary table 12 and straightening roll bottom plate 7
There is a through-hole, through-hole outer end is with one section of reduced diameter section and inner end has one section of enlarged diameter section, coaxial in through-hole reduced diameter section to set
An adjusting rod 13 is set and has been rotatably engaged, 13 outer end of adjusting rod stretches out rotary table 12 and is fixed with a regulation handle 14,
The axial limit structure for limiting the axial movement of adjusting rod 13 is provided between adjusting rod 13 and through-hole reduced diameter section, through-hole is big
It is axially slidably cooperatively connected with the end of a roller seat connecting cylinder 15 in diameter segment, and through-hole enlarged diameter section is connected with roller seat
The circumferential position limiting structure for limiting the rotation of roller seat connecting cylinder 15 is provided between cylinder 15, roller seat connecting cylinder 15 is located in through-hole
The inner peripheral surface of one end is provided with internal screw thread, and the external screw thread on internal screw thread and adjusting rod is cooperatively connected, and roller seat connecting cylinder 15 is separate
The roller seat 16 for installing straightening roll is arranged in one end of through-hole.
In this way, rotation regulation handle, can drive roller seat connecting cylinder to do flexible fortune along its axial direction by the rotation of adjusting rod
It is dynamic, and then drive roller seat and straightening roll thereon toward face steel pipe direction close to or far from and then realizing to straightening roll pressing force
The adjusting of size.Have many advantages, such as that structure is simple, it is easy to adjust quick reliable.
Wherein, the axial limit structure between adjusting rod 13 and through-hole reduced diameter section is by 13 surface of adjusting rod and through-hole wall
Between a circle protrusion in circumferential direction and groove cooperate to obtain.It is simple with structure, limit reliable feature.
Wherein, the circumferential position limiting structure between through-hole enlarged diameter section and roller seat connecting cylinder 15 by 15 surface of roller seat connecting cylinder and
Cooperate to obtain along axial a protrusion and groove between through-hole wall.It is simple with structure, limit reliable feature.
Wherein, also extended vertically through in 12 peripheral surface of rotary table and be screwed with a fastening bolt, fastening bolt inner end be used for and
The contact of adjusting rod 13, which is realized, to be fixed.In this way, after rotating regulation handle rotation adjusting, it can be real by fastening bolt
Now positioning is locked, prevents from loosening.
Wherein, steel pipe transmission device 1 includes the steel pipe advancement mechanism for driving steel pipe to advance along axis, further includes being used for
The steel pipe rotary mechanism for driving steel pipe to rotate centered on axial line.
In this way, steel pipe is rotated while forward, so that itself being in what rotation moved ahead when steel pipe aligning
State, so that straightening roll and the areal extent of steel pipe contact increase in the unit time, improve leveling effect and efficiency.Together
When, steel pipe is to rotate forward mode, so that the inspected area popped one's head in steel pipe defectoscope is bigger, it can be by fixed spy
Head realizes the flaw detection in steel pipe circumferential direction, preferably avoids missing inspection, enhances the reliability and stability of flaw detection, allows to rely on
Less probe realizes better flaw detection effect.
Wherein, steel pipe advancement mechanism includes a pair of of advancing roller 17, and 17 peripheral surface of advancing roller is provided with rubbing for concave arc
Slot is wiped, the frictional groove of 17 peripheral surface of advancing roller, which faces, to be arranged and in the inner, two advancing rollers 17 to be each by steel pipe sandwiched
It is sequentially connected from by a set of advance roller transmission mechanism and same steel pipe advance motor 18, steel pipe advance is used for band with motor
Dynamic two 17 relative rotation of advancing roller are to drive steel pipe to move ahead.
In this way, steel pipe drives realization to advance by the advancing roller of a pair of synchronous relative rotation, it is reliable to guarantee that steel pipe advances, and
It avoids force imbalance from leading to pipe deformation to influence subsequent flaw detection, better ensures that flaw detection effect.
Wherein, steel pipe advancement mechanism further includes the advancing roller mounting rack 19 an of rectangular frame structure, advancing roller mounting rack
Two spaced advance roll shafts 20 arranged side by side are rotatably mounted in 19 inner cavities, two 20 place planes of advance roll shaft are vertical
In steel pipe motion path, advancing roller 17 is mounted on advance roll shaft 20, and advance roller transmission mechanism includes the advance roll shaft 20, also
Including spaced jackshaft 21, jackshaft 21 are installed in rotation on advancing roller mounting rack 19 side by side with advance roll shaft 20
And the power intake of advancing roller mounting rack 19 is stretched out with one, respective jackshaft 21 is dynamic in two sets of advance roller transmission mechanisms
Power input terminal stretches out in the not ipsilateral of advancing roller mounting rack 19, and jackshaft is located at the part in advancing roller mounting rack 19 by one
External gear wheel and the transmission connection of corresponding advance roll shaft 20, jackshaft 21 are located on the power intake outside advancing roller mounting rack 19
Steel pipe advance worm gear 22 is installed, steel pipe advance worm gear 22 and one are parallel to the setting of steel pipe motion path direction and are advancing
The steel pipe of 19 lateral surface of roller mounting rack advances to be engaged with worm screw 23, and the steel pipe of two sets of advance roller transmission mechanisms advances each with worm screw 23
One end of the comfortable same direction is provided with gear 24 and a power input gear 25 engages, and the power input gear 25 is vertical
It is arranged and is installed in rotation on 19 outer end face of advancing roller mounting rack, 19 edge of advancing roller mounting rack in steel pipe motion path
There are the spaces passed through for steel pipe for the rear and front end end face and 25 middle part of power input gear in steel pipe motion path direction, move
One end of power input gear 25 and steel pipe advance to be sequentially connected with motor 18.
The steel pipe advancement mechanism in this way can advance opposite with electronic while two advancing rollers of drive by the same steel pipe
The transmission of steel pipe is better achieved in synchronous rotary.Steel pipe advancement mechanism itself has structure simple simultaneously, and layout is ingenious compact,
The advantages that reliable transmission.Further, one end of power input gear is sequentially connected by belt and steel pipe advance with motor, this
Spline structure is simple and reliable transmission, and further, steel pipe advance electricity consumption machine is located on the bottom plate below advancing roller mounting rack, in this way
Structure is simple and installation and power is facilitated to transmit.
Wherein, tube fraction power adjustment mechanism, the tube fraction power adjustment mechanism are additionally provided in steel pipe advancement mechanism
Including spaced a pair of of lever drive plate 26 side by side, 26 place plane of lever drive plate is parallel with steel pipe direction of advance, thick stick
Bar driver plate 26 is installed in rotation on jackshaft 21 described in same root, and lever drive plate 26 is located in advancing roller mounting rack 19
One end piece advance roll shaft 20 is installed and constitutes adjusting advance roll shaft, it is horizontal between two 26 rear ends of lever drive plate
To one piece of adjustable plate 27 is fixedly connected with, the adjustment hole of a bar shaped is provided on adjustable plate 27 along steel pipe direction of advance, is adjusted
It is vertically installed with an adjusting bolt in hole, adjusts bolt one end and is fixed on advancing roller mounting rack 19, adjusts bolt and is located at tune
The upper and lower surface of section plate is respectively screwed with a location nut (adjust bolt in figure and location nut is not shown).
In this way, the position on bolt can be being adjusted by adjustable plate is adjusted, and then by the rotation band of lever drive plate
The advancing roller realization on the adjusting advance roll shaft is moved to the compression of steel pipe, and then realizes the tune to tube fraction power size
It saves, adjusting position is transferred to by advancing roller mounting rack external position, more convenient adjusting behaviour using lever drive plate in the structure
Make and laborsaving, while lever drive plate makes not influencing advance roller transmission mechanism in its adjustment process using jackshaft as axis of rotation
Drive mechanism；Therefore have many advantages, such as that structure is simple, it adjusts reliable convenient and efficient laborsaving.Meanwhile the structure can also facilitate tune
Whole realize is driven the compression of different size model steel pipe.
Wherein, the steel pipe rotary mechanism includes main transmission cabinet 28, and main transmission cabinet 28 is along steel pipe progress path direction
Rear and front end can be rotatably set guide sleeve 29, hollow spindle 30, the hollow spindle 30 are fixedly connected between guide sleeve 29
Inner cavity constitutes steel pipe progress path, and the rear and front end of the advancing roller mounting rack 19 is fixed on hollow spindle 30, hollow
It is further fixedly arranged on rotation output wheel 31 on main shaft 30, rotates output wheel 31 and steel pipe rotary is sequentially connected with motor.
In this way, hollow spindle rotation can be driven by belt pulley by steel pipe rotary motor, and then before drive entirely
It rotates into roller mounting rack, is rotated so that steel pipe is driven while being driven advance.Therefore the steel pipe rotary mechanism being capable of band
It will not influence moving ahead for steel pipe while dynamic steel pipe rotary, have structure simple, reliable transmission, rotation exports the advantages that stablizing.
Wherein, the rotation output wheel 31 is belt pulley and is sequentially connected by belt mechanism and steel pipe rotary with motor；
Keep its structure simple, it is low in cost, be conducive to implement and it is low in cost.Still further, the steel pipe rotary is set to motor
It is set side by side below main transmission cabinet and with steel pipe advance with motor, keeps its compact-sized, easy for installation, reliable transmission.
Wherein, the steel pipe defectoscope 2 includes detection case 32, side of the detection case 32 along the front and back side of steel pipe direction of advance
A through-hole has respectively been opened up on plate, a set of flaw detection mechanism is respectively installed on the side plate of 32 front and back side of detection case, and flaw detection mechanism has
One flaw detection being located inside detection case 32 probe 33, flaw detection are fixed on a vertically arranged adjusting rod 34 with probe 33
Lower end, 34 upper end of adjusting rod are mounted on 32 side plate of detection case, and the probe of two flaw detection mechanisms is located at steel pipe progress path
Two sides and face steel pipe progress path setting.
In this way, in steel pipe defectoscope, using right one probe of each setting of a first from left, then the side for cooperating steel pipe to be threadingly advanced
Formula detects a flaw in such a way that probe fixation and steel pipe are threadingly advanced, simpler structure can be leaned on to be realized well to steel
The full surface inspection of pipe improves flaw detection efficiency, avoids missing inspection, improves test reliability.
Wherein, steel pipe defectoscope is spaced apart two along steel pipe direction of advance, in a steel pipe defectoscope
Probe is ultrasonic detecting probe, and the probe in another steel pipe defectoscope is eddy current probe；Ultrasound examination is set
In the steel pipe defectoscope of probe, the flexible sliding sleeve 35 for cooperatively forming dynamic sealing with steel pipe is installed in detection case through-hole,
The flaw detection of ultrasonic water embrane method is realized filled with detection liquid in the detection case, which is set to a detection liquid returnable 36
It is interior.
In this way, combining EDDY CURRENT to detect a flaw using the flaw detection of ultrasonic water embrane method, two kinds of flaw detection modes are combined, more
It is effectively prevented from missing inspection, further increases flaw detection accuracy and reliability.Further, the inner ring wall of flexible sliding sleeve has a circle
Lip made from flexiplast, lip is used for and dynamic sealing is realized in steel tube surface contact.
Wherein, it is arranged in the steel pipe defectoscope of ultrasonic detecting probe, is additionally provided with glass on the side of detection case 32
Observation window 37；It can be convenient observation detection liquid liquid level position.Still further, vertical scale is arranged on glass window 37
Line can be convenient height and position where accurately acquiring liquid level to guarantee flaw detection effect.
Wherein, it is arranged in the steel pipe defectoscope of ultrasonic detecting probe, input duct (figure is provided with above detection case 32
In do not show), heating vessel (not shown) is provided with above input duct, heating vessel is by water pump and returns
Flow tube road is connected with detection liquid returnable.
In this manner it is achieved that the recycling of detection liquid.Simultaneously importantly, detection liquid holds by liquid heating
It is passed back into detection case again after device heat treatment, the micro-bubble in detection liquid can be eliminated well, greatly avoid detecting
Exist in detection liquid in case and generate micro-bubble and influence detection effect, while before being rotary further combined with steel pipe
Into the bubble of steel tube surface capable of being avoided to adhere to by the rotation of steel pipe, therefore greatly improve flaw detection accuracy.
Wherein, it is arranged in the steel pipe defectoscope of ultrasonic detecting probe, one is provided at the upper side of detection case 32 and is overflow
Chute 38,38 return side of overflow launder and 32 inner cavity of detection case connect, and the input duct lower end is arranged in overflow launder.In this way,
Overflow channel can be relied on, the liquid fluctuating in detection case is preferably avoided and preferably avoids the generation of bubble, to protect
Demonstrate,prove better detection effect.
Wherein, probe regulating device is additionally provided on detection case side plate, probe regulating device includes a translation adjusting machine
Structure, the translation adjustment mechanism include a hanging plate 39 that is vertically arranged and being fixed on above 32 side plate of detection case, on hanging plate 39
Medial surface, which is vertically bonded, is provided with translation substrate 40, has an outside translation protrusion 41 on the outside of the substrate 40 that is translatable and leans on
Translation is limited in the horizontal sliding slot cooperated on hanging plate 39 horizontally slidablely with protrusion 41, and translation adjustment mechanism also wraps
A translation adjusting screw rod 42 is included, vertical plane where translation adjusting screw rod 42 is parallel to corresponding side plate and horizontally disposed, translation
42 inner end screw thread of adjusting screw rod is screwed in translation in horizontally disposed screw hole, translation 42 outer end of adjusting screw rod can turn in protrusion 41
It is pierced by hanging plate 39 dynamicly and translation adjusting screw rod handle 43 is set, being translatable between adjusting screw rod 42 and hanging plate 39 has for limiting
(position limiting structure can be a circle along translation adjusting screw rod week to the position limiting structure that system translation adjusting screw rod 42 moves axially when implementation
The boss and respective slot set up obtains)；34 upper end of adjusting rod is mounted on translation substrate 40.
In this way, the handle of rotary translational movement adjusting screw rod outer end can be relied on, realize that the translation to translation substrate is adjusted, in turn
By adjusting rod drive probe in the horizontal direction close to or far from steel pipe, to adjust the detection range of probe preferably to ensure
Detection accuracy, and can also realize that detection position is adjusted according to steel pipe model size.Simple with structure, stabilization easy to adjust can
By the characteristics of.
Wherein, it is translatable between substrate 40 and hanging plate 39 and is additionally provided with locking mechanism, locking mechanism includes being located at translation substrate
The dovetail groove in the horizontal direction that 40 lateral surfaces are recessed, 39 medial surface of hanging plate, which corresponds to dovetail groove and cooperates horizontally slidablely, to be set
It is equipped with swallow-tail form protrusion, locking mechanism further includes vertically arranged locking bolt (not shown), and locking bolt is from translation base
40 upper end face of plate, which vertically runs through translation substrate 40 and is connected in swallow-tail form protrusion, realizes abutting locking.In this way, can be flat
It realizes and is locked after Level tune between dynamic substrate and hanging plate.
Wherein, 39 lower inside surface of hanging plate and corresponding side plate upper outside face are affixed setting, 39 lower part of hanging plate edge perpendicular to
Side plate direction is provided with positioning screw hole, is provided with one section using positioning screw hole as the arc positioning hole in the center of circle, arc above positioning screw hole
Respective grafting is provided with bolt (not shown) and realizes that side plate and hanging plate 39 are solid across side plate in shape location hole and positioning screw hole
Fixed connection.
In this way, realizing being fixedly connected for hanging plate and corresponding side plate using simple structure, while the connection structure may be used also
Vertical deflection adjusting is carried out to hanging plate to facilitate using positioning screw hole as the center of circle, and then may be implemented to the probe of adjusting rod lower end
Vertical deflection is adjusted, and ensures detection accuracy preferably to adjust the detection range of probe, and can also be big according to steel pipe model
Small realization detection position is adjusted.
Wherein, vertical coarse adjustment mechanism is additionally provided on the inside of translation substrate 40, the vertical coarse adjustment mechanism includes along translation base
One vertical coarse adjustment substrate 44 of 40 medial surface of plate fitting setting, (orientation describes in detection case in vertical 44 outside of coarse adjustment substrate
Outside direction is interior exterior orientation description basis) it is provided with one and slides vertically with protrusion and this is leaned on to slide vertically and can vertically be slided with protrusion
Cooperation is limited dynamicly in a vertical sliding slot on translation substrate 40, and vertical coarse adjustment mechanism further includes a vertical coarse adjustment spiral shell
Bar 45, vertical 45 lower thread of coarse adjustment screw rod are screwed in slide vertically and use in the upper vertically arranged screw hole of protrusion, vertical coarse adjustment spiral shell
45 upper end of bar is rotationally pierced by translation upper surface of base plate and handle is arranged, between vertical coarse adjustment screw rod 45 and translation substrate 40 also
It is provided with that (position limiting structure can be a circle along perpendicular when implementation for limiting the position limiting structure that vertical coarse adjustment screw rod 45 moves axially
The boss and respective slot set up to coarse adjustment screw rod week obtains)；34 upper end of adjusting rod is mounted on vertical coarse adjustment substrate 44.
The substrate that is translatable in present embodiment is made of two pieces of vertical fixed veneers side by side, an outer veneer for being arranged and
The structure of hanging plate cooperation, another inner veneer is used to be arranged and the structure of vertical coarse adjustment substrate cooperation, more convenient in this way
The setting and installation of structure.
In this way, can be by the handle of rotation vertical coarse adjustment screw rod upper end, and then realize to the first of adjusting rod upper and lower position
Successive step, so by adjusting rod drive probe along the vertical direction close to or far from steel pipe, preferably to adjust the inspection of probe
Range is surveyed to ensure detection accuracy, and can also realize that detection position is adjusted according to steel pipe model size.It is simple with structure, it adjusts
Section facilitates reliable and stable feature.
Wherein, vertical fine-tuning mechanism is additionally provided on vertical coarse adjustment substrate 44, vertical fine-tuning mechanism includes one and vertically sets
The vertical accurate adjustment screw rod 46 set, vertical 46 top of accurate adjustment screw rod are installed in rotation on vertical 44 side of coarse adjustment substrate and are laterally extended
In installation protrusion 47 out, vertical 46 upper end of accurate adjustment screw rod stretches out installation protrusion 47 and is provided with handle, vertical accurate adjustment screw rod
The position limiting structure being axially moveable for limiting vertical accurate adjustment screw rod 46, vertical accurate adjustment are additionally provided between 46 and installation protrusion 47
46 lower thread of screw rod cooperates in a horizontally disposed vertical accurate adjustment nut 48, and vertical accurate adjustment nut 48, which is arranged, is mounted on one
In a horizontally disposed limit guide sleeve 49, limit guide sleeve 49 is mounted on vertical coarse adjustment substrate 44, is limited 49 inner wall of guide sleeve and is erected
To the circumferential direction for limiting vertical accurate adjustment nut 48 between 48 peripheral outer wall of accurate adjustment nut with vertically arranged concave-convex fit structure
Rotation, the adjusting rod 34 is fixedly installed downwards in vertical 48 lower end of accurate adjustment nut.
In this way, can be by the handle of rotation vertical accurate adjustment screw rod upper end, and then realize the essence to adjusting rod upper and lower position
Really adjustment makes its first coarse adjustment accurate adjustment again, can adjust the detection range for determining probe more accurately to ensure detection accuracy, and
It can also realize that detection position is adjusted according to steel pipe model size.It is simple with structure, reliable and stable feature easy to adjust.
Wherein, horizontal deflection regulating mechanism, the horizontal deflection regulating mechanism packet are additionally provided on vertical coarse adjustment substrate 44
The limit guide sleeve 49 is included, limit 49 outer surface of guide sleeve is provided with wrom tooth and forms deflection adjusting worm gear, deflects adjusting worm gear
Be mounted in a worm seat 50 being fixed on vertical coarse adjustment substrate 44, be also equipped on worm seat 50 one it is horizontally disposed
Deflection, which is adjusted, uses worm screw 51, and it is the engagement of self-locking shape that deflection, which is adjusted with worm screw 51 and deflection adjusting worm gear, and deflection adjusts and uses worm screw
51 one end stretch out worm seat 50 and are equipped with handle.
In this way, the handle for using worm screw outer end can be adjusted by rotational deflection, adjusted by Worm Wheel System subband is dynamic
The horizontal rotation of bar, and then probe is driven to realize the adjustment of horizontal deflection position, the inspection for determining probe can be adjusted more accurately
Range is surveyed to ensure detection accuracy, and can also realize that detection position is adjusted according to steel pipe model size.Meanwhile the clever structure
Worm Wheel System pair and leadscrew-nut mechanism are combined together by ground, are realized by the self-locking function of worm and gear to lead screw spiral shell
The rotation limit of nut in parent agency；Therefore it relies on simple structure to realize adjusting rod up and down motion adjusting and rotation simultaneously and adjusts
Function.It is simple with structure, reliable and stable feature easy to adjust.
Claims (7)
1. a kind of power device for steel tube flaw detection, including steel pipe transmission device, which is characterized in that steel pipe transmission device includes
Steel pipe advancement mechanism for driving steel pipe to advance along axis further includes the steel for driving steel pipe to rotate centered on axial line
Pipe rotating mechanism；
Steel pipe advancement mechanism includes a pair of of advancing roller, and advancing roller peripheral surface is provided with the frictional groove of concave arc, advancing roller week
It faces and is arranged and in the inner, two advancing rollers to be passed each by a set of advancing roller by steel pipe sandwiched to the frictional groove on surface
Motivation structure and the same steel pipe advance are sequentially connected with motor, and steel pipe advance is with motor for driving two advancing roller relative rotation
To drive steel pipe to move ahead；
Steel pipe advancement mechanism further includes the advancing roller mounting rack an of rectangular frame structure, and the advancing roller is mounted on advancing roller peace
In shelving；
The steel pipe rotary mechanism includes main transmission cabinet, and main transmission cabinet can turn along the rear and front end in steel pipe progress path direction
It is provided with guide sleeve dynamicly, hollow spindle is fixedly connected between guide sleeve, the guide sleeve and hollow spindle inner cavity constitute steel pipe and advance
The rear and front end in path, the advancing roller mounting rack is fixed on hollow spindle, and rotation is further fixedly arranged on hollow spindle
Turn output wheel, rotates output wheel and steel pipe rotary is sequentially connected with motor.
2. being used for the power device of steel tube flaw detection as described in claim 1, which is characterized in that in steel pipe advancement mechanism, advance
Two spaced advance roll shafts arranged side by side are rotatably mounted in roller mounting rack inner cavity, plane where two advance roll shafts is hung down
Directly in steel pipe motion path, advancing roller is mounted on advance roll shaft, and advance roller transmission mechanism includes the advance roll shaft, further includes
Spaced jackshaft, jackshaft are installed in rotation on advancing roller mounting rack and stretch with one side by side with advance roll shaft
The power intake of advancing roller mounting rack out, before respectively the power intake of jackshaft stretches out in two sets of advance roller transmission mechanisms
Into the not ipsilateral of roller mounting rack, jackshaft is located at the part in advancing roller mounting rack and passes through an external gear wheel and corresponding advance
Roll shaft transmission connection, is equipped with worm gear on the power intake that jackshaft is located at outside advancing roller mounting rack, and worm gear and one are in parallel
In steel pipe motion path direction, the worm screw engagement of advancing roller mounting rack lateral surface, the worm screw of two sets of advance roller transmission mechanisms are set
One end of each leisure same direction is provided with gear and a power input gear engagement, and the power input gear is perpendicular to steel
Pipe motion path is arranged and is installed in rotation on advancing roller mounting rack outer end face, and the advancing roller mounting rack is moved along steel pipe
There are the space passed through for steel pipe, power input gears in the middle part of the rear and front end end face of path direction and power input gear
One end and steel pipe advance be sequentially connected with motor.
3. as claimed in claim 2 be used for steel tube flaw detection power device, which is characterized in that one end of power input gear according to
It is sequentially connected by belt and steel pipe advance with motor.
4. being used for the power device of steel tube flaw detection as claimed in claim 2, which is characterized in that before steel pipe advance electricity consumption machine is located at
Into on the bottom plate below roller mounting rack.
5. being used for the power device of steel tube flaw detection as claimed in claim 2, which is characterized in that also set up in steel pipe advancement mechanism
There is tube fraction power adjustment mechanism, the tube fraction power adjustment mechanism includes spaced a pair of of lever drive plate arranged side by side,
Plane where lever drive plate is parallel with steel pipe direction of advance, and lever drive plate is installed in rotation on jackshaft described in same root
On, one end that lever drive plate is located in advancing roller mounting rack is equipped with the advance roll shaft and constitutes adjusting advancing roller
Axis is laterally fixedly connected with one piece of adjustable plate between two lever drive plate rear ends, is arranged on adjustable plate along steel pipe direction of advance
There is the adjustment hole of a bar shaped, an adjusting bolt is vertically installed in adjustment hole, adjusts bolt one end and be fixed on advancing roller peace
It shelves, the upper and lower surface that adjusting bolt is located at adjustable plate is respectively screwed with a location nut.
6. being used for the power device of steel tube flaw detection as described in claim 1, which is characterized in that the rotation output wheel is belt
It takes turns and passes through belt mechanism and steel pipe rotary is sequentially connected with motor.
7. being used for the power device of steel tube flaw detection as described in claim 1, which is characterized in that the steel pipe rotary is set with motor
It is placed in below main transmission cabinet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710734917.8A CN109425653B (en) | 2017-08-24 | 2017-08-24 | Power device for steel pipe flaw detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710734917.8A CN109425653B (en) | 2017-08-24 | 2017-08-24 | Power device for steel pipe flaw detection |
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| CN109425653B CN109425653B (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884129A (en) * | 2019-03-27 | 2019-06-14 | 爱德森（厦门）电子有限公司 | A kind of device and method of rail aluminum weld quality testing |
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| Publication number | Publication date |
|---|---|
| CN109425653B (en) | 2021-10-15 |
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Effective date of registration: 20210628 Address after: 400084 No. 2, Magnesium Bridge Road, Area A, Jianqiao Industrial Park, Dadukou District, Chongqing Applicant after: CHONGQING IRON & STEEL INSTITUTE Co.,Ltd. Address before: Three village 400080 Dadukou District of Chongqing weir building 1 No. 1 Applicant before: CHONGQING IRON & STEEL (GROUP)Co.,Ltd. |
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