CN207126992U

CN207126992U - Metal tube surface defect detecting system

Info

Publication number: CN207126992U
Application number: CN201721072705.XU
Authority: CN
Inventors: 吴建军; 董宝渝; 赵伟
Original assignee: Chongqing Iron and Steel Group Co Ltd
Current assignee: Chongqing Iron and Steel Group Co Ltd
Priority date: 2017-08-24
Filing date: 2017-08-24
Publication date: 2018-03-23
Anticipated expiration: 2027-08-24

Abstract

The utility model discloses a kind of metal tube surface defect detecting system, including for driving the metal tube transmission device that metal tube moves in the axial direction and the metal tube failure detector being arranged on metal tube motion path, it is characterized in that, also include metal tube feed straightening device, metal tube feed straightening device is arranged at metal tube transmission device feed end and the aligning for realizing metal tube.The advantages that the utility model can preferably avoid influence of the metal defective tube to flaw detection, have and improve test reliability and accuracy, conveniently regulation can be detected a flaw with adapting to different model metal tube, and flaw detection precision is high, and flaw detection effect is good.

Description

Metal tube surface defect detecting system

Technical field

It the utility model is related to metal tube detection process field；More particularly to a kind of metal tube surface defects detection system System.

Background technology

Metal tube（Refer mainly to steel pipe）A kind of wide variety of important ferrous materials, in metal tube production process by Influenceed in various factors, the defects of longitudinal crack, transversal crack, folding, layering are commonly present on metal pipe-wall.If metal tube has Defect will cause accident using central rupture, or even cause serious consequence, may cause heavy economic losses even personnel Injures and deaths, perfect non-destructive detecting device is required for for the metal tube of this important use, and line flaw detection is carried out to metal tube.To protect The quality for the metal tube that dispatches from the factory is demonstrate,proved, existing flaw detection mode mainly has ultrasonic examination and the eddy current inspection method of inspection.Existing metal Pipe flaw detection line, often using ultrasonic inspection and eddy current inspection as single runtime, but with present metal tube testing requirements Raising, often need to complete it two kinds of detections, at this moment just need operating personnel by by the metal tube after the completion of a kind of flaw detection Blanking, then be transferred to lower road carrying out flaw detection, it is big work repetition, labor intensity to be present, examines cycle of operation length, inefficient lacks Point, turn into a factor for restricting metal tube carrying out flaw detection speed.

In existing metal tube defect-detecting equipment, either import equipment or home equipment, in natural pipe through roll forming Afterwards, flaw detection link can just be entered.Because rolled metal pipe surface is inevitably improper in the presence of transporting, placing, and itself Stress ageging deforms, or external factor influence etc., and these factors can cause to deform again before metal tube is detected a flaw, such as too late When handle, the metal tube of deformation can be because of linearity or surface quality is bad is had an impact for flaw detection effect, it is impossible to ensures flaw detection Stability.If clearing up not in time, flaw detection can be made a big impact, serious interference, or even meeting are produced during flaw detection Produce the situation that wrong report is even failed to report.

Meanwhile ultrasonic automatic flaw detection apparatus, particularly the flaw detection industry in the metal tube part using ultrasound detection Field has a wide range of applications, such as automatic flaw detection device for metal tube part etc..The online ultrasound of existing metal tube is visited Wound, the general method using probe moisture film coupling carry out line flaw detection.When free of Automatic Ultrasonic Flaw Detector is carried out to metal tube, one As be will probe be attached to outer surface of metal pipe with certain mechanical mechanism at a certain distance from, by adjusting the regulation on probe holder System makes to leave certain gap between probe and metal tube, and water-filling forms coupling moisture film, is detected a flaw by ultrasound emission. During actual automatic flaw detection, because metal tube is in the transmission process of detection, existing ultrasonic automatic flaw detection apparatus Probe is typically to be directly anchored on probe bracket, and probe bracket is fixedly connected with flaw detection water tank, because metal tube model More, probe is fixedly installed, and can not meet the flaw detection demand of various different model metal tubes.During metal tube flaw detection simultaneously, Run into metal tube defective locations by when, easily and probe touching cause probe vibration and stick up turn, so as to cause flaw indication The change of amplitude, if can not adjust in time, it can also influence the reliability and accuracy of flaw detection.For eddy current inspection, there is also phase The problem of same.

It is that probe and metal tube diametrically move reality along metal tube during flaw detection in addition, for existing failure detector Now detect a flaw, inspected area is limited, easily causes missing inspection.

Utility model content

For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is：How a kind of energy is provided It is enough preferably to avoid influence of the metal defective tube to flaw detection, test reliability and accuracy are improved, can conveniently be adjusted to adapt to Different model metal tube is detected a flaw, and flaw detection precision is high, the good metal tube surface defect detecting system of flaw detection effect.

In order to solve the above-mentioned technical problem, the utility model employs following technical scheme：

A kind of metal tube surface defect detecting system, including the metal tube for driving metal tube to move in the axial direction pass Dynamic device and the metal tube failure detector being arranged on metal tube motion path, it is characterised in that also rectified including metal tube charging Straight device, metal tube feed straightening device are arranged at metal tube transmission device feed end and the aligning for realizing metal tube.

So, feed and detect a flaw again after first being aligned to metal tube, can preferably avoid, metal tube becomes because of itself Shape causes linearity or surface quality bad for being influenceed caused by flaw detection effect, improves the accuracy and reliability of flaw detection.

As optimization, metal tube feed straightening device includes the smoothing roll being arranged in pairs, and smoothing roll peripheral surface is middle part The arc of indent, two smoothing rolls are arranged in the left and right directions both sides of metal tube motion path in each pair smoothing roll, and two are rectified The axial line of straight roller misplaces and is obliquely installed up and down along the metal tube direction of motion so that two smoothing rolls each with metal tube surface shape Into two symmetrical spiral linear contact lays.

So, two symmetrical spiral linear contact lays are formed and realize aligning with smoothing roll during metal tube advances, therefore are only needed A pair of smoothing rolls are that the aligning on the segment length direction of metal tube one can be achieved, and stress balance, simple in construction and leveling effect are good. Preferably selection is that smoothing roll and metal tube surface contact the every helix to be formed and rotate up 180 in metal tube surface week Spend scope；The helix of such a pair of smoothing rolls is upwardly formed 360 encirclements in metal tube whole week just, it is ensured that metal tube surface In the circumferential by the straightening force of equilibrium, metal pipe outer wall by the smoothing roll of both sides simultaneously to metal tube center position rolling extrusion, The tube wall of surface irregularity is flattened, ensures to can also ensure that week while the leveling effect on metal tube whole length direction Upward rounding off effect, its aligning and rounding off effect is reached optimal, improve metal tube bending situation and surface defect, Jin Ergeng Ensure the reliability subsequently detected a flaw well.

As optimization, metal tube feed straightening device includes vertically being oppositely arranged at left and right sides of metal tube motion path One block of benchmark side plate and one block of regulation side plate, benchmark side plate and regulation side plate are set and mutually flat along metal tube motion path direction OK；Benchmark side plate medial surface is fixedly installed a row smoothing roll bottom plate and the row smoothing roll bottom plate along metal tube motion path direction The smoothing roll of upper installation forms benchmark smoothing roll, adjusts side plate interior sides face and benchmark smoothing roll face is provided with a row smoothing roll Smoothing roll governor motion, the front end of smoothing roll governor motion face metal tube are respectively arranged with bottom plate and the row smoothing roll bottom plate It is provided with smoothing roll and forms regulation smoothing roll, benchmark is arranged in pairs and for realizing one by one with smoothing roll and regulation with smoothing roll The compression of metal tube is aligned, smoothing roll governor motion is used for the distance for changing regulation smoothing roll and metal tube.

So, by smoothing roll governor motion, compression straightening force that can be with Primary regulation each pair smoothing roll to metal tube makes It is incremented by successively along metal tube direction of advance that straightening force must be compressed, metal tube is progressively repeatedly extruded in feed straightening device Aligning, improves final leveling effect, and then better ensure that the reliability subsequently detected a flaw.The benchmark of metal tube side, which is used, simultaneously rectifys Straight roller, it can better ensure that metal tube center line is consistent with motion path as the positioning datum of regulation, ensure metal tube most Linearity after aligning eventually.Preferably selection is the contact of benchmark smoothing roll and metal tube, along the metal tube direction of motion Setting incremented by successively from small to large.It can so better ensure that each pair smoothing roll compresses straightening force and is adjusted to move along metal tube After direction increases successively, its metal tube center line is still consistent with motion path；Better ensure that leveling effect.

As optimization, corresponded on the benchmark side plate benchmark with smoothing roll be provided with intermeshing active oblique gear and by Dynamic helical gear, the metal tube advance in active oblique gear and the metal tube transmission device is connected with motor, described passive Helical gear and benchmark are fixedly and coaxially connected with smoothing roll.

So, benchmark smoothing roll relies on the motor for being used to drive metal tube to advance in metal tube transmission device actively to revolve again Turn to force in metal tube, actively metal tube is exerted a force, metal tube leveling effect can be better ensured that.Using benchmark smoothing roll It is connected with motor, it is ensured that the stability and reliability of transmission.

As optimization, metal tube feed straightening device includes an aligning case, and aligning case is including vertically arranged positioned at gold Belong to two blocks of side plates of pipe motion path left and right directions and the two end plates positioned at metal tube motion path direction, two blocks of side plates and two Block end plate surrounds rectangular frame and is fixed on bottom plate, and the opening passed through for metal tube, two pieces of sides are offered in the middle part of two end plates Plate shape is into the benchmark side plate and adjusts side plate.

So, case is aligned as an entirety, can be better ensured that smoothing roll and be aligned the installation of pipe governor motion, Ensure the mutual alignment relation between smoothing roll, better ensure that leveling effect.

Further, also laterally it is fixedly connected between two blocks of side plates and is provided with transverse reinforced bar.So can preferably it carry Height aligning case intensity, ensures that the intensity that each pair smoothing roll mutually exerts a force meets leveling effect enough.

Further, two sections of relative regulation arcuate sockets are provided with smoothing roll bottom plate, arcuate socket base is used in two sections of regulations Set in the same center of circle and the home position horizontal face smoothing roll bottom plate upper straightening roll center is set, on side plate respectively Corresponding two sections of regulations are provided with bolt with arcuate socket and pass regulation arcuate socket and by nut realization fixation.

So, two sections of regulation arcuate sockets can be relied on, change the setting angle of smoothing roll bottom plate, due to smoothing roll and gold Category pipe is that the mode that spiral linear contact lay compresses compresses regulation, therefore can change smoothing roll along smoothing roll center rotating and straightening roller End can realize the adjustment to smoothing roll thrust to the thrust size of metal tube.Especially for benchmark side plate On benchmark smoothing roll, due to need as compress regulation benchmark, therefore its apart from the far and near position of metal tube once setting After can not change adjustment, therefore when using causing straightening force to reduce after a period of time smoothing roll surface abrasion, leveling effect can not It is guaranteed.The smoothing roll that now just can only more renew；But after the mounting structure for employing the regulation arcuate socket, work as reference side After benchmark smoothing roll surface abrasion on plate causes straightening force to reduce, it can be rectified by changing the raising of smoothing roll setting angle Straight roller can extend the service life of smoothing roll to a certain extent to the thrust of metal tube, dramatically saves on and be produced into This.

Further, smoothing roll bottom plate is circular slab, and with arcuate socket to correspond to the center of circle identical for the circular slab center of circle and regulation, rectifys Angle scale is provided with side plate on the outside of straight roller bottom plate upper end, face angle scale is provided with angle indicator on smoothing roll bottom plate Line.

When so needing to rotate regulation smoothing roll bottom plate angle, preferably can accurately it be adjusted according to angle scale required Angular dimension.

Further, the smoothing roll governor motion, including smoothing roll plate outer side Middle face evagination and run through side panel The round platform of outer surface, round platform and side plate fixed setting, round platform middle part are provided with logical along axial line through round platform and smoothing roll bottom plate Hole, through hole outer end with one section of reduced diameter section and it is inner there is one section of enlarged diameter section, it is coaxial in through hole reduced diameter section to set simultaneously An adjusting rod is rotatably engaged, adjusting rod outer end stretches out round platform and is fixed with a regulation handle, adjusting rod and through hole The axial limit structure for limiting adjusting rod axial movement is provided between reduced diameter section, can axially be slided in through hole enlarged diameter section The end on dynamic ground and a roller seat connecting cylinder is connected, and is provided between through hole enlarged diameter section and roller seat connecting cylinder for limiting The circumferential position limiting structure of roller seat connecting cylinder rotation processed, the inner peripheral surface that roller seat connecting cylinder is located at one end in through hole are provided with interior spiral shell Line, the external screw thread on internal thread and adjusting rod are connected, and the one end of roller seat connecting cylinder away from through hole is provided for installation aligning The roller seat of roller.

So, regulation handle is rotated, the rotation of adjusting rod can be relied on to drive roller seat connecting cylinder to do flexible fortune along its axial direction It is dynamic, and then drive roller seat and smoothing roll thereon toward face metal tube direction closer or far from and then realizing and compressed to smoothing roll The regulation of power size.With the advantages that simple in construction, easy to adjust quick reliable.

Further, the axial limit structure between adjusting rod and through hole reduced diameter section is by adjusting rod surface and through-hole wall Between a circle in circumference it is raised and groove coordinates to obtain.With the characteristics of simple in construction, spacing reliable.

Further, the circumferential position limiting structure between through hole enlarged diameter section and roller seat connecting cylinder by roller seat connecting cylinder surface and A projection and groove between through-hole wall vertically coordinate to obtain.With the characteristics of simple in construction, spacing reliable.

Further, also extended vertically through in round platform peripheral surface and be connected with a fastening bolt, fastening bolt the inner is used for It is fixed with adjusting rod contact realization.So, after regulation handle rotation regulation is rotated, fastening bolt can be relied on real Now position locked, prevent from loosening.

As optimization, metal tube transmission device includes being used to drive the metal tube advancement mechanism that metal tube advances along axis, Also include being used to drive the metal tube rotating mechanism that metal tube is rotated centered on axial line.

So, metal tube is rotated forward while so that before itself is in rotation when metal tube is aligned Capable state, so that in the unit interval smoothing roll and metal tube contact areal extent increase, improve leveling effect and Efficiency.Meanwhile metal tube by rotate it is forward in a manner of so that the inspected area popped one's head in metal tube failure detector is bigger, can be with The flaw detection in metal tube circumference is realized by fixed probe, preferably avoids missing inspection, enhances the reliability and stably of flaw detection Property so that more preferable flaw detection effect can be realized by less probe.

As optimization, metal tube advancement mechanism includes a pair of advancing rollers, and advancing roller peripheral surface is provided with concave arc Frictional groove, the frictional groove of advancing roller peripheral surface, which faces, to be set and for by metal tube sandwiched, in the inner, two advancing rollers to be each It is connected from by a set of advance roller transmission mechanism and same metal tube advance with motor, metal tube advance is used for motor Two advancing rollers are driven to rotate against to drive metal tube to move ahead.

So, metal tube drives by a pair of advancing rollers synchronously rotated against and realizes advance, and guarantee metal tube advances can Lean on, and avoid force imbalance from causing metal tube deformation to better ensure that flaw detection effect to influence subsequently to detect a flaw.

As optimization, metal tube advancement mechanism also includes the advancing roller mounting bracket of a rectangular frame structure, advancing roller peace Shelve and two spaced advance roll shafts arranged side by side be rotatably mounted with inner chamber, planes where two advance roll shafts perpendicular to Metal tube motion path, advancing roller are arranged on advance roll shaft, and advance roller transmission mechanism includes the advance roll shaft, in addition to Spaced jackshaft, jackshaft are installed in rotation on advancing roller mounting bracket and with a stretchings advance roll shaft side by side The power intake of advancing roller mounting bracket, each the power intake of jackshaft stretches out in advance in two sets of advance roller transmission mechanisms The not ipsilateral of roller mounting bracket, the part that jackshaft is located in advancing roller mounting bracket pass through an external gear wheel and corresponding advancing roller Axle is connected, and is provided with worm gear on the power intake that jackshaft is located at outside advancing roller mounting bracket, worm gear and one parallel to Metal tube motion path direction is arranged on the worm engaging of advancing roller mounting bracket lateral surface, the worm screw of two sets of advance roller transmission mechanisms One end of each comfortable equidirectional is provided with gear and a power input gear engagement, and the power input gear is perpendicular to gold Category pipe motion path sets and is installed in rotation on advancing roller mounting bracket outer face, and the advancing roller mounting bracket is along metal tube The space passed through for metal tube is left in the middle part of the rear and front end end face in motion path direction and power input gear, power is defeated The one end and metal tube advance for entering gear are connected with motor.

So metal tube advancement mechanism, same metal tube can be relied on to advance with electronic while two advancing rollers of drive Relative synchronization rotates, and the transmission of metal tube is better achieved.Metal tube advancement mechanism itself has simple in construction simultaneously, and layout is skilful It is wonderful compact, the advantages that reliable transmission.Further, one end of power input gear is passed by belt and metal tube advance with motor Dynamic connection, so simple in construction and reliable transmission, further, metal tube advance electricity consumption machine are located at below advancing roller mounting bracket On bottom plate, so simple in construction and convenient installation and power transmission.

As optimization, metal tube frictional force adjustment mechanism, the metal pipe friction are additionally provided with metal tube advancement mechanism Power adjustment mechanism includes spaced a pair of lever drives plate arranged side by side, plane and metal tube direction of advance where lever drive plate Parallel, lever drive plate is installed in rotation on described in same root on jackshaft, and lever drive plate is located in advancing roller mounting bracket One end a piece advance roll shaft is installed and forms regulation advance roll shaft, it is laterally solid between two lever drive plate rear ends Surely one piece of adjustable plate is connected with, the adjustment hole of a bar shaped is provided with adjustable plate along metal tube direction of advance, is hung down in adjustment hole A regulating bolt directly is provided with, regulating bolt one end is fixed on advancing roller mounting bracket, and regulating bolt is located at the upper of adjustable plate Lower surface is respectively connected with a location nut.

So, position of the regulation adjustable plate in regulating bolt can be relied on, and then by the rotational band of lever drive plate Compression of the regulation with the advancing roller realization on advance roll shaft to metal tube is moved, and then is realized to metal tube frictional force size Adjust, adjusting position is transferred to by advancing roller mounting bracket external position using lever drive plate in the structure, more convenient regulation Operate and laborsaving, while lever drive plate makes it not influence advancing roller driver during adjusting using jackshaft as axis of rotation The drive mechanism of structure；Therefore with the advantages that simple in construction, regulation is reliable convenient and swift laborsaving.Meanwhile the structure can also facilitate Adjustment is realized to be driven to the compression of different size model metal tube.

As optimization, the metal tube rotating mechanism includes main transmission casing, and main transmission casing is along metal tube progress path The rear and front end in direction is fixedly connected with hollow spindle, the guide pin bushing and hollow master rotatably arranged with there is guide pin bushing between guide pin bushing Axle inner chamber forms metal tube progress path, and the rear and front end of the advancing roller mounting bracket is fixed on hollow spindle, hollow Rotation output wheel is further fixedly arranged on main shaft, output wheel is rotated and metal tube rotation is connected with motor.

So, metal tube rotation motor can be relied on to drive hollow spindle to rotate by belt pulley, and then driven whole Advancing roller mounting bracket is rotated so that metal tube is driven while being driven advance to be rotated.Therefore the metal tube rotating mechanism Moving ahead for metal tube is not interfered with while metal tube can be driven to rotate, there is simple in construction, reliable transmission, rotation output is surely The advantages that determining.

Further, the rotation output wheel is belt pulley and connected by belt mechanism and the transmission of metal tube rotation motor Connect；Make its simple in construction, cost is cheap, beneficial to implement and cost it is cheap.Yet further, the metal tube rotation is set with motor It is placed in below main transmission casing and is set up in parallel with metal tube advance with motor, makes its compact-sized, easy for installation, transmission can Lean on.

As optimization, the metal tube failure detector includes detection case, front and rear side of the detection case along metal tube direction of advance Side plate on respectively opened up a through hole, a set of flaw detection mechanism, flaw detection mechanism tool are respectively installed before and after detection case on the side plate of side There is a flaw detection probe inside detection case, flaw detection, which is popped one's head in, is fixed on the lower end of a vertically arranged adjusting rod, Adjusting rod upper end is arranged on detection case side plate, and the probe of two flaw detection mechanisms is located at the both sides of metal tube progress path simultaneously respectively Face metal tube progress path is set.

So, in metal tube failure detector, it is threadingly advanced using right each one probe of setting of a first from left, then complexed metal pipe Mode, it is fixed using probe and metal tube is detected a flaw by the way of being threadingly advanced, simpler structure can be leaned on real well Now to the full surface inspection of metal tube, flaw detection efficiency is improved, avoids missing inspection, improves test reliability.

Further, metal tube failure detector is spaced apart two along metal tube direction of advance, and a metal tube is visited It is ultrasonic detecting probe to hinder the probe in device, and the probe in another metal tube failure detector is eddy current probe；If Put in the metal tube failure detector of ultrasonic detecting probe, be provided with detection case through hole dynamic close for being cooperatively formed with metal tube The flexible sliding sleeve of envelope, the detection case is interior to realize that ultrasonic wave moisture film method is detected a flaw filled with detection liquid, and the detection case lower end is arranged at an inspection Survey in liquid returnable.

So, combine EDDY CURRENT using the flaw detection of ultrasonic wave moisture film method to detect a flaw, two kinds of flaw detection modes are combined, more Missing inspection is effectively prevented from, further improves 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 metal tube surface contact.

Further, set in the metal tube failure detector of ultrasonic detecting probe, be additionally provided with the side of detection case Glass window；Conveniently observation it can detect liquid liquid level position.Yet further, vertical scale is set on glass window Line, liquid level place height and position can be conveniently accurately acquired to ensure flaw detection effect.

Further, set in the metal tube failure detector of ultrasonic detecting probe, feed tube is provided with above detection case Road, input duct top are provided with heating vessel, and heating vessel passes through water pump and reflux line and detection liquid reclaims Container is connected.

In this manner it is achieved that the recycling of detection liquid.Simultaneously importantly, detection liquid holds by liquid heating Device is passed back into detection case again after heating, and can be eliminated the micro-bubble in detection liquid well, greatly be avoided detecting Exist in detection liquid in case and produce micro-bubble and influence Detection results, while further combined with metal tube for before rotary Enter, the rotation of metal tube can be relied on to avoid the bubble of metal tube surface from adhering to, therefore drastically increase flaw detection accuracy.

Further, set in the metal tube failure detector of ultrasonic detecting probe, one is provided with the upper side of detection case Individual overflow launder, overflow channel side and detection box cavity connect, and the input duct lower end is arranged in overflow launder.So, may be used By overflow channel, preferably to avoid the liquid fluctuating in detection case and preferably avoid the generation of bubble, to ensure More preferable Detection results.

As optimization, probe regulating device is additionally provided with detection case side plate, probe regulating device includes a translation and adjusted Mechanism is saved, the translation adjustment mechanism includes a hanging plate that is vertically arranged and being fixed on above detection case side plate, interior on hanging plate Side, which is vertically bonded, is provided with translation substrate, has on the outside of translation substrate an outside translation raised and leans on translation with convex Rise horizontally slidablely in a horizontal chute of the spacing cooperation on hanging plate, translation adjustment mechanism also includes a translation and adjusted Screw rod is saved, translation adjusting screw rod is parallel to vertical plane where corresponding side plate and horizontally disposed, translation adjusting screw rod the inner screw thread It is screwed in the raised horizontally disposed screw of translation, translation adjusting screw rod outer end rotationally passes hanging plate and sets handle Hand, there is the position limiting structure for being used for limiting the axial movement of translation adjusting screw rod between translation adjusting screw rod and hanging plate（Should during implementation Position limiting structure can be that the boss that a circle is set up along translation adjusting screw rod week and respective slot obtain）；Pacify adjusting rod upper end On translation substrate.

So, the handle of rotary translational movement adjusting screw rod outer end can be relied on, realizes the translation regulation to translation substrate, and then Drive probe close in the horizontal direction or away from metal tube by adjusting rod, preferably to adjust the detection range of probe with true Accuracy of detection is protected, and can also realize that test position is adjusted according to metal tube model size.It is easy to adjust steady with simple in construction The characteristics of fixed reliable.

Locking mechanism is further additionally provided between translation substrate and hanging plate, locking mechanism is included outside translation substrate The dovetail groove in the horizontal direction that side is recessed, hanging plate medial surface correspond to dovetail groove and are equipped with swallow horizontally slidablely Tail shape is raised, and locking mechanism also includes vertically arranged locking bolt, and locking bolt vertically runs through from translation substrate upper end face Translation substrate is simultaneously connected to realization abutting locking in swallow-tail form projection.So, horizontal between translation substrate and hanging plate can adjust Realize and be locked after section.

Further, hanging plate lower inside surface and corresponding side plate upper outside face are affixed settings, hanging plate bottom edge perpendicular to Side plate direction is provided with positioning screw hole, and one section of arc positioning hole using positioning screw hole as the center of circle, arc are provided with above positioning screw hole Shape positioning hole is provided with bolt with respective grafting in positioning screw hole and realizes that side plate is fixedly connected with hanging plate through side plate.

So, hanging plate is realized using simple structure and corresponds to being fixedly connected for side plate, while the attachment structure may be used also Vertical deflection regulation is carried out as the center of circle to hanging plate using positioning screw hole to facilitate, and then can be realized to the probe of adjusting rod lower end Vertical deflection regulation, ensures accuracy of detection preferably to adjust the detection range of probe, and can also be according to metal tube model Size realizes that test position is adjusted.

Further, vertical coarse adjustment mechanism is additionally provided with the inside of translation substrate, the vertical coarse adjustment mechanism is included along translation The vertical coarse adjustment substrate that the fitting of substrate medial surface is set, vertical coarse adjustment substrate outside（Orientation is described with foreign side in detection case Basis is described to for interior exterior orientation）One is provided with to slide vertically with raised and slide vertically by this and can slide vertically ground with projection In a vertical chute on translation substrate, vertical coarse adjustment mechanism also includes a vertical coarse adjustment screw rod, erects for spacing cooperation It is screwed in and is slid vertically with raised vertically arranged screw to coarse adjustment screw rod lower end screw thread, vertical coarse adjustment screw rod upper end can turns Translation upper surface of base plate is passed dynamicly and handle is set, and is additionally provided between vertical coarse adjustment screw rod and translation substrate perpendicular for limiting The position limiting structure moved axially to coarse adjustment screw rod（The position limiting structure can be that a circle is vertically set in coarse adjustment screw rod circumference during implementation The boss and respective slot put obtain）；Adjusting rod upper end is arranged on vertical coarse adjustment substrate.

So, the handle for rotating vertical coarse adjustment screw rod upper end can be relied on, and then is realized to the first of adjusting rod upper-lower position Successive step, and then drive probe vertically close or away from metal tube by adjusting rod, preferably to adjust probe Detection range can also realize that test position is adjusted to ensure accuracy of detection according to metal tube model size.With structure letter Singly, the characteristics of easy to adjust reliable and stable.

Further, vertical fine-tuning mechanism is additionally provided with vertical coarse adjustment substrate, vertical fine-tuning mechanism includes one vertically The vertical accurate adjustment screw rod set, vertical accurate adjustment screw rod top is installed in rotation on what vertical coarse adjustment substrate side laterally extended In one installation projection, vertical accurate adjustment screw rod upper end stretches out installation projection and is provided with handle, and vertical accurate adjustment screw rod and installation are raised Between be additionally provided with the position limiting structure being axially moveable for limiting vertical accurate adjustment screw rod, vertical accurate adjustment screw rod lower end screw thread coordinates In a horizontally disposed vertical accurate adjustment nut, vertical accurate adjustment nut is arranged installed in a horizontally disposed spacing guide pin bushing Interior, spacing guide pin bushing is arranged on vertical coarse adjustment substrate, is had between spacing guide pin bushing inwall and vertical accurate adjustment nut peripheral outer wall perpendicular To the concave-convex fit structure of setting to limit circumferentially rotating for vertical accurate adjustment nut, vertical accurate adjustment nut lower end is fixedly installed downwards The adjusting rod.

So, the handle for rotating vertical accurate adjustment screw rod upper end can be relied on, and then realizes the essence to adjusting rod upper-lower position Really adjustment, makes its first coarse adjustment accurate adjustment again, can more accurately adjust the detection range for determining probe to ensure accuracy of detection, and It can also realize that test position is adjusted according to metal tube model size.With the characteristics of simple in construction, easy to adjust reliable and stable.

Further, horizontal deflection governor motion, the horizontal deflection governor motion are additionally provided with vertical coarse adjustment substrate Including the spacing guide pin bushing, spacing guide pin bushing outer surface is provided with wrom tooth and forms worm gear, and worm gear, which is arranged on, is fixed on vertical coarse adjustment base In a worm seat on plate, a horizontally disposed worm screw is also equipped with worm seat, worm and worm wheel engage for self-locking shape, Worm screw one end stretches out worm seat and is provided with handle.

So, the handle of rotary worm outer end can be relied on, the horizontal rotation of adjusting rod is moved by Worm Wheel System subband, And then drive probe to realize the adjustment of horizontal deflection position, it can more accurately adjust and determine the detection range of probe to ensure Accuracy of detection, and can also realize that test position is adjusted according to metal tube model size.Meanwhile the clever structure by worm gear snail Bar transmission and screw-nut body are combined together, and are realized by the auto-lock function of worm and gear to spiral shell in screw-nut body Female rotation is spacing；Therefore rely on simple structure while realize the function of adjusting rod up and down motion regulation and rotation regulation.Tool There is the characteristics of simple in construction, easy to adjust reliable and stable.

In summary, the utility model can preferably avoid influence of the metal defective tube to flaw detection, have and improve flaw detection Reliability and accuracy, can conveniently to adapt to the flaw detection of different model metal tube, flaw detection precision is high for regulation, it is excellent that flaw detection effect is good etc. Point.

Brief description of the drawings

Fig. 1 is the structural representation of metal tube surface defect detecting system in the utility model embodiment.In figure State is splitted to show internal structure for regulation side plate in metal tube feed straightening device part.

Fig. 2 is the top view of the metal tube feed straightening device in Fig. 1.

Fig. 3 is the structural representation of smoothing roll governor motion in Fig. 2.

Fig. 4 is the attachment structure schematic diagram of benchmark smoothing roll and benchmark side plate in Fig. 2,（A benchmark is only shown in figure Use smoothing roll）.

Fig. 5 is the dimensional structure diagram of metal tube transmission device in Fig. 1,（Location nut and regulation spiral shell are eliminated in figure Bolt）.

Fig. 6 is that Fig. 5 rotates the view after an angle.

Fig. 7 is the front view of metal tube failure detector in Fig. 1,（Bolt is eliminated in figure）.

Fig. 8 is that Fig. 7 is rotated to the structural representation after an angle.

Fig. 9 is that Fig. 7 is rotated to the structural representation after another angle.

Figure 10 is the vertical cross-sectional of metal tube failure detector.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.

During specific implementation：As shown in Figures 1 to 10.

A kind of metal tube surface defect detecting system, including bottom plate, metal tube flaw detection portion structure, metal are provided with bottom plate The metal tube transmission device 1 that pipe flaw detection portion structure includes being used to drive metal tube to move in the axial direction is transported with metal tube is arranged on Metal tube failure detector 2 on dynamic path, in addition to the metal tube feed straightening device 3 being arranged on bottom plate, metal tube charging Straightener 3 is arranged at metal tube transmission device feed end and the aligning for realizing metal tube.

So, feed and detect a flaw again after first being aligned to metal tube, can preferably avoid, metal tube becomes because of itself Shape causes linearity or surface quality bad for being influenceed caused by flaw detection effect, improves the accuracy and reliability of flaw detection.Its In, based on the bottom plate of setting, facilitate the installation settings of each device.

Wherein, metal tube feed straightening device 3 includes the smoothing roll 4 being arranged in pairs, and the peripheral surface of smoothing roll 4 is in middle part Recessed arc, two smoothing rolls 4 are arranged in the left and right directions both sides of metal tube motion path in each pair smoothing roll 4, and two are rectified The axial line of straight roller 4 misplaces and is obliquely installed up and down along the metal tube direction of motion so that two smoothing rolls 4 are each and metal tube surface Form two symmetrical spiral linear contact lays.

Wherein, metal tube feed straightening device 3 includes vertically being oppositely arranged on one at left and right sides of metal tube motion path Block benchmark side plate 5 and one piece regulation side plate 6, benchmark side plate 5 and regulation side plate 6 along metal tube motion path direction set and mutually It is parallel；The medial surface of benchmark side plate 5 is fixedly installed a row smoothing roll bottom plate 7 and the row smoothing roll along metal tube motion path direction The smoothing roll installed on bottom plate 7 forms benchmark smoothing roll, adjusts the medial surface of side plate 6 and benchmark is provided with one with smoothing roll face Smoothing roll governor motion, smoothing roll governor motion face gold are respectively arranged with row smoothing roll bottom plate 7 and the row smoothing roll bottom plate 7 The front end of category pipe is provided with smoothing roll 4 and forms regulation smoothing roll, and benchmark is set in pairs one by one with smoothing roll and regulation with smoothing roll Put and the compression of metal tube aligned for realizing, smoothing roll governor motion be used to changing regulation smoothing roll and metal tube away from From.

Wherein, benchmark is corresponded on the benchmark side plate 5 smoothing roll is provided with intermeshing active oblique gear 8 and passive Helical gear 9, the metal tube advance in the active oblique gear 8 and metal tube transmission device 1 are connected with motor, described passive Helical gear 9 and benchmark are fixedly and coaxially connected with smoothing roll.

Wherein, metal tube feed straightening device 3 includes an aligning case, and aligning case is located at metal tube including vertically arranged The two blocks of side plates and the two end plates 10 positioned at metal tube motion path direction of motion path left and right directions, two blocks of side plates and two pieces End plate surrounds rectangular frame and is fixed on bottom plate, and the opening passed through for metal tube, two blocks of side plates are offered in the middle part of two end plates Form the benchmark side plate 5 and regulation side plate 6.

Wherein, also laterally it is fixedly connected between two blocks of side plates and is provided with transverse reinforced bar.So can preferably it improve strong Straight case intensity, ensure that the intensity that each pair smoothing roll mutually exerts a force meets leveling effect enough.

Wherein, two sections of relative regulation arcuate sockets 9 ' are provided with smoothing roll bottom plate 7, two sections of regulations are based on arcuate socket The same center of circle is set and the home position horizontal face upper straightening roll center of smoothing roll bottom plate 7 is set, on side plate respectively Corresponding two sections of regulations are provided with bolt with arcuate socket and pass regulation arcuate socket 9 ' and by nut realization fixation.

Wherein, smoothing roll bottom plate 7 is circular slab, and the circular slab center of circle and regulation identical, the aligning that with arcuate socket corresponds to the center of circle It is provided with angle scale 11 on side plate on the outside of the upper end of roller bottom plate 7, face angle scale 11 is set angled on smoothing roll bottom plate 7 Cursor line.

Wherein, the smoothing roll governor motion, including smoothing roll plate outer side Middle face evagination and run through side panel appearance The round platform 12 in face, round platform 12 and side plate fixed setting, the middle part of round platform 12 are set along axial line through round platform 12 and smoothing roll bottom plate 7 There is a through hole, through hole outer end is coaxial in through hole reduced diameter section to set with one section of reduced diameter section and inner with one section of enlarged diameter section To put and be rotatably engaged an adjusting rod 13, the outer end of adjusting rod 13 stretches out round platform 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 End in diameter segment axially slidably with a roller seat connecting cylinder 15 is connected, and through hole enlarged diameter section connects 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 thread, and the external screw thread on internal thread and adjusting rod is connected, and roller seat connecting cylinder 15 is remote One end of through hole is provided for installing the roller seat 16 of smoothing roll.

Wherein, the axial limit structure between adjusting rod 13 and through hole reduced diameter section is by the surface of adjusting rod 13 and through-hole wall Between a circle in circumference it is raised and groove coordinates to obtain.With the characteristics of simple in construction, spacing reliable.

Wherein, the circumferential position limiting structure between through hole enlarged diameter section and roller seat connecting cylinder 15 by the surface of roller seat connecting cylinder 15 and A projection and groove between through-hole wall vertically coordinate to obtain.With the characteristics of simple in construction, spacing reliable.

Wherein, also extended vertically through in the peripheral surface of round platform 12 and be connected with a fastening bolt, fastening bolt is inner be used for and Adjusting rod 13 contacts realization and is fixed.So, after regulation handle rotation regulation is rotated, fastening bolt can be relied on real Now position locked, prevent from loosening.

Wherein, metal tube transmission device 1 includes being used to drive the metal tube advancement mechanism that metal tube advances along axis, also wraps Include the metal tube rotating mechanism for driving metal tube to be rotated centered on axial line.

Wherein, metal tube advancement mechanism includes a pair of advancing rollers 17, and the peripheral surface of advancing roller 17 is provided with concave arc Frictional groove, the frictional groove of the peripheral surface of advancing roller 17, which faces, to be set and is used for metal tube sandwiched in the inner, two advancing rollers 17 are connected each via a set of advance roller transmission mechanism and same metal tube advance motor 18, metal tube advance electricity consumption Machine is used to drive two advancing rollers 17 to rotate against to drive metal tube to move ahead.

Wherein, metal tube advancement mechanism also includes the advancing roller mounting bracket 19 of a rectangular frame structure, advancing roller installation Two spaced advance roll shafts 20 arranged side by side are rotatably mounted with the inner chamber of frame 19, two place planes of advance roll shaft 20 are hung down Directly it is arranged in metal tube motion path, advancing roller 17 on advance roll shaft 20, advance roller transmission mechanism includes the advance roll shaft 20, in addition to and the spaced jackshaft 21 side by side of advance roll shaft 20, jackshaft 21 be installed in rotation on advancing roller installation On frame 19 and with a power intake for stretching out advancing roller mounting bracket 19, respective jackshaft in two sets of advance roller transmission mechanisms 21 power intake stretches out in the not ipsilateral of advancing roller mounting bracket 19, and jackshaft is located at the part in advancing roller mounting bracket 19 It is connected by an external gear wheel and corresponding advance roll shaft 20, the power that jackshaft 21 is located at outside advancing roller mounting bracket 19 is defeated Enter and metal tube advance worm gear 22 is installed on end, metal tube advance is with worm gear 22 and one parallel to metal tube motion path side Advance to the metal tube for being arranged on the lateral surface of advancing roller mounting bracket 19 and engaged with worm screw 23, the metal of two sets of advance roller transmission mechanisms One end of each comfortable equidirectional of worm screw 23 is provided with gear 24 for pipe advance and a power input gear 25 engages, described dynamic Power input gear 25 sets and is installed in rotation on the outer face of advancing roller mounting bracket 19, institute perpendicular to metal tube motion path Rear and front end end face and power input gear 25 middle part of the advancing roller mounting bracket 19 along metal tube motion path direction is stated to stay There is the space passed through for metal tube, one end of power input gear 25 and metal tube advance motor 18 are connected.

Wherein, metal tube frictional force adjustment mechanism is additionally provided with metal tube advancement mechanism, the metal tube frictional force is adjusted Complete machine structure includes spaced a pair of lever drives plate 26 arranged side by side, the place plane of lever drive plate 26 and metal tube direction of advance Parallel, lever drive plate 26 is installed in rotation on described in same root on jackshaft 21, and lever drive plate 26 is located at advancing roller peace Shelve one end in 19 a piece advance roll shaft 20 is installed and forms regulation advance roll shaft, after two lever drive plates 26 One piece of adjustable plate 27 is laterally fixedly connected between end, is provided with the tune of a bar shaped on adjustable plate 27 along metal tube direction of advance Knothole, a regulating bolt is vertically installed with adjustment hole, regulating bolt one end is fixed on advancing roller mounting bracket 19, adjusts spiral shell The upper and lower surface that bolt is located at adjustable plate is respectively connected with a location nut（Regulating bolt and location nut are not shown in figure）.

Wherein, the metal tube rotating mechanism includes main transmission casing 28, and main transmission casing 28 is along metal tube progress path The rear and front end in direction is fixedly connected with hollow spindle 30, the hollow master rotatably arranged with there is guide pin bushing 29 between guide pin bushing 29 The inner chamber of axle 30 forms metal tube progress path, and the rear and front end of the advancing roller mounting bracket 19 is fixed on hollow spindle 30 On, rotation output wheel 31 is further fixedly arranged on hollow spindle 30, output wheel 31 and metal tube rotation is rotated and is driven company with motor Connect.

Wherein, the rotation output wheel 31 is belt pulley and connected by belt mechanism and the transmission of metal tube rotation motor Connect；Make its simple in construction, cost is cheap, beneficial to implement and cost it is cheap.Yet further, the metal tube rotation is set with motor It is placed in below main transmission casing and is set up in parallel with metal tube advance with motor, makes its compact-sized, easy for installation, transmission can Lean on.

Wherein, the metal tube failure detector 2 includes detection case 32, front and rear side of the detection case 32 along metal tube direction of advance Side plate on respectively opened up a through hole, a set of flaw detection mechanism is respectively installed, mechanism of detecting a flaw before and after detection case 32 on the side plate of side Flaw detection probe 33 with one inside detection case 32, flaw detection probe 33 are fixed on a vertically arranged adjusting rod 34 lower end, the upper end of adjusting rod 34 be arranged on the side plate of detection case 32 on, two flaw detection mechanisms probe respectively be located at metal tube before The both sides of inbound path and the setting of face metal tube progress path.

Wherein, metal tube failure detector is a metal tube flaw detection dress spaced apart two along metal tube direction of advance Probe in putting is ultrasonic detecting probe, and the probe in another metal tube failure detector is eddy current probe；Set super In the metal tube failure detector of acoustic detection probe, it is provided with detection case through hole for cooperatively forming dynamic sealing with metal tube Flexible sliding sleeve 35, the detection case is interior to realize that ultrasonic wave moisture film method is detected a flaw filled with detection liquid, and the detection case lower end is arranged at a detection In liquid returnable 36.

Wherein, set in the metal tube failure detector of ultrasonic detecting probe, glass is additionally provided with the side of detection case 32 Glass observation window 37；Conveniently observation it can detect liquid liquid level position.Yet further, vertical scale is set on glass window 37 Line, liquid level place height and position can be conveniently accurately acquired to ensure flaw detection effect.

Wherein, set in the metal tube failure detector of ultrasonic detecting probe, the top of detection case 32 is provided with input duct （Do not shown in figure）, input duct top is provided with heating vessel（Do not shown in figure）, heating vessel passes through water pump It is connected with reflux line with detection liquid returnable.

Wherein, set in the metal tube failure detector of ultrasonic detecting probe, the upper side of detection case 32 is provided with one Overflow launder 38, the return side of overflow launder 38 and the inner chamber of detection case 32 connect, and the input duct lower end is arranged in overflow launder.This Sample, overflow channel can be relied on, preferably avoid the liquid fluctuating in detection case and preferably avoid the generation of bubble, with Ensure more preferable Detection results.

Wherein, probe regulating device is additionally provided with detection case side plate, probe regulating device includes a translation and adjusts machine Structure, the translation adjustment mechanism include a hanging plate 39 that is vertically arranged and being fixed on above the side plate of detection case 32, on hanging plate 39 Medial surface, which is vertically bonded, is provided with translation substrate 40, and the outside of translation substrate 40 has an outside translation projection 41 and leaned on Translation uses projection 41 horizontally slidablely in a horizontal chute of the spacing cooperation on hanging plate 39, and translation adjustment mechanism also wraps A translation adjusting screw rod 42 is included, translation adjusting screw rod 42 is parallel to vertical plane where corresponding side plate and horizontally disposed, translation 42 inner screw thread of adjusting screw rod is screwed in translation projection 41 in horizontally disposed screw, and the outer end of translation adjusting screw rod 42 can turn Hanging plate 39 is passed dynamicly and translation adjusting screw rod handle 43 is set, and is had between translation adjusting screw rod 42 and hanging plate 39 and is used to limit The position limiting structure that translation adjusting screw rod 42 processed moves axially（The position limiting structure can be that a circle is all along translation adjusting screw rod during implementation The boss and respective slot set up obtains）；The upper end of adjusting rod 34 is arranged on translation substrate 40.

Wherein, locking mechanism is additionally provided between translation substrate 40 and hanging plate 39, locking mechanism includes being located at translation substrate The dovetail groove in the horizontal direction that 40 lateral surfaces are recessed, the medial surface of hanging plate 39, which corresponds to dovetail groove and coordinated horizontally slidablely, to be set Swallow-tail form projection is equipped with, locking mechanism also includes vertically arranged locking bolt（Do not shown in figure）, locking bolt is from translation base The upper end face of plate 40 vertically through translation substrate 40 and is connected to realization abutting locking in swallow-tail form projection.So, can be flat Dynamic realized between substrate and hanging plate after Level tune is locked.

Wherein, the lower inside surface of hanging plate 39 and corresponding side plate upper outside face are affixed settings, the bottom of hanging plate 39 edge perpendicular to Side plate direction is provided with positioning screw hole, and one section of arc positioning hole using positioning screw hole as the center of circle, arc are provided with above positioning screw hole Respective grafting is provided with bolt in shape positioning hole and positioning screw hole（Do not shown in figure）Realize that side plate and hanging plate 39 are solid through side plate Fixed connection.

Wherein, the inner side of translation substrate 40 is additionally provided with vertical coarse adjustment mechanism, and the vertical coarse adjustment mechanism is included along translation base The vertical coarse adjustment substrate 44 that the fitting of the medial surface of plate 40 is set, the vertical outside of coarse adjustment substrate 44（Orientation is described with detection case Outer direction is interior exterior orientation description basis）One is provided with to slide vertically with raised and slide vertically by this and can vertically be slided with projection Dynamicly in a vertical chute of the spacing cooperation on translation substrate 40, vertical coarse adjustment mechanism also includes a vertical coarse adjustment spiral shell Bar 45, the vertical lower end screw thread of coarse adjustment screw rod 45 are screwed in slide vertically and used in raised vertically arranged screw, vertical coarse adjustment spiral shell The upper end of bar 45 rotationally passes translation upper surface of base plate and sets handle, between vertical coarse adjustment screw rod 45 and translation substrate 40 also It is provided with the position limiting structure moved axially for limiting vertical coarse adjustment screw rod 45（The position limiting structure can be a circle along perpendicular during implementation The boss and respective slot set up to coarse adjustment screw rod week obtains）；The upper end of adjusting rod 34 is arranged on vertical coarse adjustment substrate 44. Translation substrate is made up of two pieces of vertical fixed veneers side by side in present embodiment, an outer veneer be used to set and The structure that hanging plate coordinates, another inner veneer are used for the structure set and vertical coarse adjustment substrate coordinates, so more convenient The setting and installation of structure.

Wherein, vertical fine-tuning mechanism is additionally provided with vertical coarse adjustment substrate 44, vertical fine-tuning mechanism is vertically set including one The vertical accurate adjustment screw rod 46 put, the vertical top of accurate adjustment screw rod 46 are installed in rotation on the vertical side of coarse adjustment substrate 44 and extended laterally In the installation projection 47 gone out, the vertical upper end of accurate adjustment screw rod 46 stretches out installation projection 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 projection 47 The lower end screw thread of screw rod 46 coordinates in a horizontally disposed vertical accurate adjustment nut 48, and vertical accurate adjustment nut 48 is arranged installed in one In individual horizontally disposed spacing guide pin bushing 49, spacing guide pin bushing 49 is arranged on vertical coarse adjustment substrate 44, the spacing inwall of guide pin bushing 49 and perpendicular To between the peripheral outer wall of accurate adjustment nut 48 circumference of vertical accurate adjustment nut 48 is limited with vertically arranged concave-convex fit structure Rotate, the adjusting rod 34 is fixedly installed downwards in the vertical lower end of accurate adjustment nut 48.

Wherein, horizontal deflection governor motion, the horizontal deflection governor motion bag are additionally provided with vertical coarse adjustment substrate 44 The spacing guide pin bushing 49 is included, the spacing outer surface of guide pin bushing 49 is provided with wrom tooth and forms deflection regulation worm gear, deflects regulation worm gear In a worm seat 50 being fixed on vertical coarse adjustment substrate 44, be also equipped with worm seat 50 one it is horizontally disposed Worm screw 51 is used in deflection regulation, and deflection regulation is that self-locking shape engages with worm screw 51 and deflection regulation with worm gear, and worm screw is used in deflection regulation 51 one end stretch out worm seat 50 and are provided with handle.

So, the handle of rotational deflection regulation worm screw outer end can be relied on, by the dynamic regulation of Worm Wheel System subband The horizontal rotation of bar, and then drive probe to realize the adjustment of horizontal deflection position, it can more accurately adjust the inspection for determining probe Scope is surveyed to ensure accuracy of detection, and can also realize that test position is adjusted according to metal tube model size.Meanwhile the structure is skilful Worm Wheel System pair and screw-nut body are combined together wonderfully, realized by the auto-lock function of worm and gear to leading screw The rotation of nut is spacing in nut body；Therefore rely on simple structure to realize adjusting rod simultaneously and move up and down regulation and from modulation The function of section.With the characteristics of simple in construction, easy to adjust reliable and stable.

Claims

1. a kind of metal tube surface defect detecting system, including the metal tube transmission for driving metal tube to move in the axial direction Device and the metal tube failure detector being arranged on metal tube motion path, it is characterised in that also feed and align including metal tube Device, metal tube feed straightening device are arranged at metal tube transmission device feed end and the aligning for realizing metal tube.

2. metal tube surface defect detecting system as claimed in claim 1, it is characterised in that metal tube feed straightening device bag Include the smoothing roll being arranged in pairs, smoothing roll peripheral surface is the arc of middle part indent, two smoothing rolls arrangements in each pair smoothing roll In the left and right directions both sides of metal tube motion path, and the axial line of two smoothing rolls misplaces and inclined up and down along the metal tube direction of motion Tiltedly set so that two smoothing rolls each form two symmetrical spiral linear contact lays with metal tube surface.

3. metal tube surface defect detecting system as claimed in claim 1, it is characterised in that metal tube feed straightening device bag Include vertical one block of benchmark side plate being oppositely arranged at left and right sides of metal tube motion path and one block of regulation side plate, benchmark side plate and Regulation side plate sets and is parallel to each other along metal tube motion path direction；Benchmark side plate medial surface is along metal tube motion path direction It is fixedly installed the smoothing roll installed on a row smoothing roll bottom plate and the row smoothing roll bottom plate and forms benchmark smoothing roll, adjusts side Plate medial surface and benchmark smoothing roll face are provided with a row smoothing roll bottom plate and the row smoothing roll bottom plate and are respectively arranged with aligning Roller governor motion, the front end of smoothing roll governor motion face metal tube are provided with smoothing roll and form regulation smoothing roll, and benchmark is used Smoothing roll and regulation are arranged in pairs one by one with smoothing roll and for realizing that the compression to metal tube is aligned, smoothing roll governor motion is used In the distance for changing regulation smoothing roll and metal tube.

4. metal tube surface defect detecting system as claimed in claim 3, it is characterised in that metal tube feed straightening device bag An aligning case is included, aligning case is including vertically arranged positioned at two blocks of side plates of metal tube motion path left and right directions and positioned at gold Belong to the two end plates in pipe motion path direction, two blocks of side plates and two end plates surround rectangular frame and are fixed on bottom plate, two pieces The opening passed through for metal tube is offered in the middle part of end plate, two blocks of side plates form the benchmark side plate and regulation side plate.

5. metal tube surface defect detecting system as claimed in claim 1, it is characterised in that metal tube transmission device includes using In the metal tube advancement mechanism for driving metal tube to advance along axis, in addition to for driving metal tube to be rotated centered on axial line Metal tube rotating mechanism.

6. metal tube surface defect detecting system as claimed in claim 5, it is characterised in that metal tube advancement mechanism includes one To advancing roller, advancing roller peripheral surface is provided with the frictional groove of concave arc, and the frictional groove of advancing roller peripheral surface, which faces, to be set Put and be used for metal tube sandwiched in the inner, two advancing rollers are each via a set of advance roller transmission mechanism and same metal tube Advance is connected with motor, and metal tube advance is used for before driving two advancing rollers to rotate against to drive metal tube with motor OK.

7. metal tube surface defect detecting system as claimed in claim 6, it is characterised in that metal tube advancement mechanism also includes The advancing roller mounting bracket of one rectangular frame structure, be rotatably mounted with advancing roller mounting bracket inner chamber two side by side interval set The advance roll shaft put, plane where two advance roll shafts are arranged on advance roll shaft perpendicular to metal tube motion path, advancing roller, Advance roller transmission mechanism includes the advance roll shaft, in addition to and advance roll shaft spaced jackshaft, jackshaft can side by side It is rotatably mounted on advancing roller mounting bracket and is passed with the power intake of a stretching advancing roller mounting bracket, two sets of advancing rollers The power intake of respective jackshaft stretches out in the not ipsilateral of advancing roller mounting bracket in motivation structure, and jackshaft is located at advancing roller peace Part in shelving is connected by an external gear wheel and corresponding advance roll shaft, and jackshaft is located at outside advancing roller mounting bracket Worm gear is installed, worm gear and one are arranged on outside advancing roller mounting bracket parallel to metal tube motion path direction on power intake The worm engaging of side, one end of each comfortable equidirectional of worm screw of two sets of advance roller transmission mechanisms is provided with gear and one dynamic Power input gear engages, and the power input gear sets perpendicular to metal tube motion path and is installed in rotation on advancing roller On mounting bracket outer face, rear and front end end face and power input of the advancing roller mounting bracket along metal tube motion path direction The space passed through for metal tube is left in the middle part of gear, one end of power input gear and metal tube advance are driven with motor to be connected Connect.

8. metal tube surface defect detecting system as claimed in claim 7, it is characterised in that the metal tube rotating mechanism bag Include main transmission casing, main transmission casing along metal tube progress path direction rear and front end rotatably arranged with having guide pin bushing, guide pin bushing Between be fixedly connected with hollow spindle, guide pin bushing and the hollow spindle inner chamber forms metal tube progress path, the advancing roller peace The rear and front end shelved is fixed on hollow spindle, and rotation output wheel, rotation output are further fixedly arranged on hollow spindle Wheel and metal tube rotation are connected with motor.

9. metal tube surface defect detecting system as claimed in claim 1, it is characterised in that the metal tube failure detector bag Include detection case, detection case is along respectively having opened up a through hole on the side plate of the front and rear side of metal tube direction of advance, side before and after detection case Side plate on a set of flaw detection mechanism is respectively installed, flaw detection mechanism has a flaw detection probe inside detection case, detects a flaw The lower end of a vertically arranged adjusting rod is fixed on probe, adjusting rod upper end is arranged on detection case side plate, two flaw detections The probe of mechanism is set positioned at the both sides of metal tube progress path and face metal tube progress path respectively.

10. metal tube surface defect detecting system as claimed in claim 9, it is characterised in that also set up on detection case side plate There is probe regulating device, probe regulating device includes a translation adjustment mechanism, and the translation adjustment mechanism includes one vertically The hanging plate for setting and being fixed on above detection case side plate, medial surface, which is vertically bonded, on hanging plate is provided with translation substrate, translation base One for having an outside translation raised on the outside of plate and leaning on the raised horizontally slidablely spacing cooperation of translation on hanging plate In individual horizontal chute, translation adjustment mechanism also includes a translation adjusting screw rod, and translation adjusting screw rod is parallel to corresponding side plate Place vertical plane and horizontally disposed, translation adjusting screw rod the inner screw thread are screwed in that translation is raised horizontally disposed screw Interior, translation adjusting screw rod outer end rotationally passes hanging plate and sets handle, has between translation adjusting screw rod and hanging plate and is used for Limit the position limiting structure of translation adjusting screw rod axial movement；Adjusting rod upper end is arranged on translation substrate.