CN207129538U - Steel pipe advancement mechanism - Google Patents

Abstract

The utility model discloses a kind of steel pipe advancement mechanism, it is characterized in that, include the advancing roller mounting bracket of a rectangular frame structure, two spaced advance roll shafts arranged side by side are rotatably mounted with advancing roller mounting bracket inner chamber, plane is perpendicular to steel pipe motion path where two advance roll shafts, advancing roller is installed, two advancing rollers are connected each via a set of advance roller transmission mechanism and same steel pipe advance with motor on advance roll shaft.The utility model has the advantages that simple in construction, stable transmission is reliable, and convenient regulation is to adapt to different model steel pipe, and further facilitate the worm drive for realizing steel pipe.

Description

Steel pipe advancement mechanism

Technical field

It the utility model is related to a kind of steel tube flaw detection detection device；More particularly to a kind of steel pipe advancement mechanism.

Background technology

Steel pipe is a kind of wide variety of important ferrous materials, because various factors influences during steel pipe's production, The defects of longitudinal crack, transversal crack, folding, layering are commonly present in steel pipe walls.Will be among use if steel pipe is defective Rupture causes accident, or even causes serious consequence, may cause heavy economic losses even casualties, be this important use Steel pipe is required for perfect non-destructive detecting device, and line flaw detection is carried out to steel pipe.To ensure the quality of steel pipe of dispatching from the factory, existing spy Hindering 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 single runtime, but with the raising of present Tube heating furnace requirement, often needs to complete it two kinds of detections, At this moment operating personnel are just needed by the steel pipe blanking after the completion of passing through a kind of flaw detection, then are transferred to lower road carrying out flaw detection, work be present Repeat, labor intensity it is big, examine cycle of operation length, it is inefficient the shortcomings that, turn into and restrict one of 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.Because rolled steel tube surface is inevitably improper in the presence of transporting, placing, and itself stress Secular distortion, or external factor influence etc., these factors can cause to deform again before steel tube flaw detection, such as locate not in time Reason, the steel pipe of deformation can be because of linearitys or surface quality is bad is had an impact for flaw detection effect, it is impossible to ensure the stabilization of flaw detection Property.If clearing up not in time, flaw detection can be made a big impact, serious interference be produced during flaw detection, or even mistake can be produced The situation that report is even failed to report.

Meanwhile ultrasonic automatic flaw detection apparatus, particularly the flaw detection industry neck in 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, typically Line flaw detection is carried out using the method for probe moisture film coupling.When free of Automatic Ultrasonic Flaw Detector is carried out to steel pipe, it will usually visit At a certain distance from head is attached to outer surface of steel tube with certain mechanical mechanism, probe is made by the regulating system adjusted on probe holder Certain gap is left between steel pipe, and water-filling forms coupling moisture film, is detected a flaw by ultrasound emission.In actual automatic spy During wound, because steel pipe is in the transmission process of detection, the probe of existing ultrasonic automatic flaw detection apparatus is typically 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 Put, the flaw detection demand of various different model steel pipes can not be met.Simultaneously during steel tube flaw detection, run into the position of the default in the steel pipe and pass through When, easily and probe touching causes the vibration of probe and stuck up to turn, so as to cause the change of flaw indication amplitude, if can not be timely Regulation, it can also influence the reliability and accuracy of flaw detection.For eddy current inspection there is also it is identical the problem of.

It is that probe and steel pipe diametrically move realization along steel pipe and visited in addition, for existing failure detector, during flaw detection Wound, inspected area is limited, easily causes missing inspection.

In order to solve the above problems, applicant considers to devise a kind of steel pipe transmission device, and steel pipe transmission device includes using A pair of peripheral surfaces are provided with imploded arcs in the steel pipe advancement mechanism for driving steel pipe to advance along axis, steel pipe advancement mechanism The advancing roller of shape frictional groove drives steel pipe to move ahead, in addition to for driving the steel pipe rotary machine that steel pipe is rotated centered on axial line Structure.

So steel pipe is rotated forward while so that rotation forward shape itself is in when steel pipe is aligned State, so that the areal extent increase of smoothing roll and steel pipe contact in the unit interval, improve leveling effect and efficiency.Together When, steel pipe by rotate it is forward in a manner of so that the inspected area popped one's head in steel pipe defectoscope is bigger, can rely on fixed spy Head realizes the flaw detection in steel pipe circumference, preferably avoids missing inspection, enhances the reliability and stability of flaw detection so that can rely on Less probe realizes more preferable flaw detection effect.

But wherein, specifically what kind of structure to realize that the advance of steel pipe is driven using, just with simple in construction, stable transmission Reliably, convenient regulation is to adapt to different model steel pipe, and further facilitates the worm drive for realizing steel pipe, turn into have it is considered Solve the problems, such as.

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 knot is provided Structure is simple, and stable transmission is reliable, convenient to adjust to adapt to different model steel pipe, and further facilitates and realize that the spiral of steel pipe passes Dynamic steel pipe advancement mechanism.

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

A kind of steel pipe advancement mechanism, it is characterised in that steel pipe advancement mechanism includes the advancing roller of a rectangular frame structure Mounting bracket, two spaced advance roll shafts arranged side by side, two advancing rollers are rotatably mounted with advancing roller mounting bracket inner chamber Plane where axle installs advancing roller on steel pipe motion path, advance roll shaft, and two advancing rollers are each via a set of advance Roller transmission mechanism and same steel pipe advance are connected with motor；Advance roller transmission mechanism includes the advance roll shaft, also wraps Include and advance roll shaft spaced jackshaft side by side, jackshaft are installed in rotation on advancing roller mounting bracket and with one The power intake of advancing roller mounting bracket is stretched out, the power intake of respective jackshaft stretches out in two sets advance roller transmission mechanisms The not ipsilateral of advancing roller mounting bracket, jackshaft be located at the part in advancing roller mounting bracket by an external gear wheel and it is corresponding before Enter roll shaft drive connection, worm gear is installed on the power intake that jackshaft is located at outside advancing roller mounting bracket, worm gear and one put down Row is arranged on the worm engaging of advancing roller mounting bracket lateral surface, the snail of two sets of advance roller transmission mechanisms in steel pipe motion path direction One end of each comfortable equidirectional of bar is provided with gear and the engagement of power input gear, the power input gear perpendicular to Steel pipe motion path is set and is installed in rotation on advancing roller mounting bracket outer face, and the advancing roller mounting bracket is transported along steel pipe The space passed through for steel pipe, power input tooth are left in the middle part of the rear and front end end face of dynamic path direction and power input gear One end of wheel and steel pipe advance are connected with motor.

So steel pipe advancement mechanism, same steel pipe can be relied on to advance relative with electronic while two advancing rollers of drive Synchronous rotary, the transmission of steel pipe is better achieved.Steel pipe advancement mechanism itself has simple in construction simultaneously, and layout is ingenious compact, The advantages that reliable transmission.

Further, one end of power input gear is 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 bracket, so simple in construction and square Just installation and power transmission.

As optimization, tube fraction power adjustment mechanism, the tube fraction power adjustment are additionally provided with steel pipe advancement mechanism Mechanism includes spaced a pair of lever drives 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 described in same root on jackshaft, and lever drive plate is located at one end peace in advancing roller mounting bracket Equipped with an advance roll shaft and regulation advance roll shaft is formed, is laterally fixedly connected between two lever drive plate rear ends One piece of adjustable plate, the adjustment hole of a bar shaped is provided with adjustable plate along steel pipe direction of advance, one is vertically installed with adjustment hole Root regulating bolt, regulating bolt one end are fixed on advancing roller mounting bracket, and the upper and lower surface that regulating bolt is located at adjustable plate is respectively revolved It is connected to 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 steel pipe is moved, and then realizes the tune to tube fraction power size Save, adjusting position is transferred to by advancing roller mounting bracket external position using lever drive plate in the structure, more convenient regulation behaviour Make and laborsaving, while lever drive plate makes it not influence advance roller transmission mechanism during adjusting using jackshaft as axis of rotation Drive mechanism；Therefore with the advantages that simple in construction, regulation is reliable convenient and swift laborsaving.Meanwhile the structure can also be adjusted conveniently Whole realize is driven to the compression of different size model steel pipe.

In summary, the utility model has simple in construction, and stable transmission is reliable, convenient to adjust to adapt to different model steel The advantages that managing, and further facilitating the worm drive for realizing steel pipe.

Brief description of the drawings

Fig. 1 is a kind of structural representation for the steel tube flaw detection system for employing the utility model structure.Steel pipe is fed in figure State is splitted to show internal structure for regulation side plate in straightener part.

Fig. 2 is the top view of the steel pipe 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 steel pipe 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 steel pipe defectoscope 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 steel pipe defectoscope.

Embodiment

The utility model is made with reference to a kind of steel tube flaw detection system and its accompanying drawing for employing the utility model structure It is further to describe in detail.

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

A kind of steel tube flaw detection system, including bottom plate, the steel for driving steel pipe to move in the axial direction is provided with bottom plate Pipe transmission device 1 and the steel pipe defectoscope 2 being arranged on steel pipe motion path, in addition to the steel pipe charging being arranged on bottom plate Straightener 3, steel pipe feed straightening device 3 are arranged at steel pipe transmission device feed end and the aligning for realizing steel pipe.

So, feed and detect a flaw again after first being aligned to steel pipe, can preferably avoid, steel pipe is led because of self-deformation Cause linearity or surface quality bad for being influenceed caused by flaw detection effect, improve the accuracy and reliability of flaw detection.

Wherein, steel pipe feed straightening device 3 includes the smoothing roll 4 being arranged in pairs, and the peripheral surface of smoothing roll 4 is middle part indent Arc, two smoothing rolls 4 are arranged in the left and right directions both sides of steel pipe motion path, and two smoothing rolls 4 in each pair smoothing roll 4 Axial line misplace and be obliquely installed up and down along the steel pipe direction of motion so that two smoothing rolls 4 are each and steel tube surface formation two Symmetrical spiral linear contact lay.

So, two symmetrical spiral linear contact lays are formed and realize aligning with smoothing roll during steel pipe advances, therefore only need one It is that the aligning on the segment length direction of steel pipe one can be achieved to smoothing roll, and stress balance, simple in construction and leveling effect are good.More preferably Selection be that smoothing roll and steel tube surface contact the every helix to be formed and rotate up 180 degree scope in steel tube surface week；This The helix of a pair of smoothing rolls of sample is upwardly formed 360 encirclements in steel pipe whole 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 smoothing roll of both sides while to steel pipe center position rolling extrusion, by the pipe of surface irregularity Wall flattens, and ensures to can also ensure that the rounding off effect in circumference while the leveling effect on steel pipe whole length direction, makes It is aligned and rounding off effect reaches optimal, improves tube bending situation and surface defect, and then better ensure that what is subsequently detected a flaw Reliability.

Wherein, steel pipe feed straightening device 3 includes vertically being oppositely arranged on one piece of base at left and right sides of steel pipe motion path Quasi- side plate 5 and one block of regulation side plate 6, benchmark side plate 5 and regulation side plate 6 set and are parallel to each other along steel pipe motion path direction； The medial surface of benchmark side plate 5 is fixedly installed on a row smoothing roll bottom plate 7 and the row smoothing roll bottom plate 7 along steel pipe motion path direction The smoothing roll of installation forms benchmark smoothing roll, adjusts the medial surface of side plate 6 and benchmark and smoothing roll face is provided with row aligning Smoothing roll governor motion is respectively arranged with roller bottom plate 7 and the row smoothing roll bottom plate 7, before smoothing roll governor motion face steel pipe End is provided with smoothing roll 4 and forms regulation smoothing roll, and benchmark is arranged in pairs and is used for one by one with smoothing roll and regulation with smoothing roll Realize and the compression of steel pipe is aligned, smoothing roll governor motion is used for the distance for changing regulation smoothing roll and steel pipe.

So, by smoothing roll governor motion, compression straightening force that can be with Primary regulation each pair smoothing roll to 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 subsequently detected a flaw.The benchmark smoothing roll of steel pipe side simultaneously, can Using the positioning datum as regulation, better ensure that steel pipe center line is consistent with motion path, ensure steel pipe finally after aligning Linearity.Preferably selection is the contact of benchmark smoothing roll and steel pipe, is passed successively from small to large along the steel pipe direction of motion Set up and put.It can so better ensure that each pair smoothing roll compresses straightening force and is adjusted to after increasing successively along the steel pipe direction of motion, 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 smoothing roll is provided with intermeshing active oblique gear 8 and passive Helical gear 9, the steel pipe advance in the active oblique gear 8 and steel pipe transmission device 1 are connected with motor, the passive helical teeth Wheel 9 and benchmark are fixedly and coaxially connected with smoothing roll.

So, benchmark smoothing roll by the motor for being used to drive steel pipe to advance in steel pipe transmission device, apply again by active rotation Power actively exerts a force to steel pipe in steel pipe, can better ensure that steel pipe leveling effect.Using benchmark smoothing 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 the vertically arranged steel pipe that is located at and moved The two blocks of side plates and the two end plates 10 positioned at steel pipe motion path direction of path left and right directions, two blocks of side plates and two end plates enclose Rectangular framework and it 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 forms described Benchmark side plate 5 and regulation side plate 6.

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.

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.

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 steel Pipe is that the mode that spiral linear contact lay compresses compresses regulation, therefore can change aligning roller end along smoothing roll center rotating and straightening roller Portion can realize the adjustment to smoothing roll thrust to the thrust size of steel pipe.Especially on benchmark side plate Benchmark smoothing roll, due to needing as the benchmark for compressing regulation, therefore it can not after setting apart from the far and near position of steel pipe Change adjustment, therefore when using causing straightening force to reduce after a period of time smoothing roll surface abrasion, leveling effect can not be protected Card.The smoothing roll that now just can only more renew；But after the mounting structure for employing the regulation arcuate socket, when on benchmark side plate After benchmark smoothing roll surface abrasion causes straightening force to reduce, smoothing roll pair can be improved by changing smoothing roll setting angle The thrust of steel pipe, therefore the service life of smoothing roll can be extended to a certain extent, it dramatically saves on production cost.

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.

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

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.

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 steel pipe direction closer or far from and then realizing to smoothing roll thrust The regulation of size.With the advantages that simple in construction, easy to adjust quick reliable.

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, steel pipe transmission device 1 includes being used to drive the steel pipe advancement mechanism that steel pipe advances along axis, in addition to is used for The steel pipe rotary mechanism for driving steel pipe to be rotated centered on axial line.

So, steel pipe is rotated forward while so that itself is in what rotation moved ahead when steel pipe is aligned State, so that the areal extent increase of smoothing roll and steel pipe contact in the unit interval, improve leveling effect and efficiency.Together When, steel pipe by rotate it is forward in a manner of so that the inspected area popped one's head in steel pipe defectoscope is bigger, can rely on fixed spy Head realizes the flaw detection in steel pipe circumference, preferably avoids missing inspection, enhances the reliability and stability of flaw detection so that can rely on Less probe realizes more preferable flaw detection effect.

Wherein, steel pipe advancement mechanism includes a pair of advancing rollers 17, and the peripheral surface of advancing roller 17 is provided with rubbing for concave arc Groove is wiped, the frictional groove of the peripheral surface of advancing roller 17, which faces, to be set and in the inner, two advancing rollers 17 to be each by steel pipe sandwiched It is 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 Two advancing rollers 17 are moved to rotate against to drive steel pipe to move ahead.

So, steel pipe drives by a pair of advancing rollers synchronously rotated against and realizes advance, and it is reliable to ensure that steel pipe advances, and Avoid force imbalance from causing pipe deformation to influence subsequently to detect a flaw, better ensure that flaw detection effect.

Wherein, steel pipe advancement mechanism also includes the advancing roller mounting bracket 19 of a rectangular frame structure, advancing roller mounting bracket Two spaced advance roll shafts 20 arranged side by side are rotatably mounted with 19 inner chambers, two place planes of advance roll shaft 20 are vertical In steel pipe motion path, advancing roller 17 is arranged 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 bracket 19 side by side with advance roll shaft 20 And there is a power intake for stretching out advancing roller mounting bracket 19, respective jackshaft 21 is dynamic in two sets of advance roller transmission mechanisms Power input stretches out in the not ipsilateral of advancing roller mounting bracket 19, and the part that jackshaft is located in advancing roller mounting bracket 19 passes through one External gear wheel and corresponding advance roll shaft 20 are connected, and jackshaft 21 is located on the power intake outside advancing roller mounting bracket 19 Steel pipe advance worm gear 22 is installed, steel pipe advance is arranged on advance with worm gear 22 and one parallel to steel pipe motion path direction The steel pipe of the lateral surface of roller mounting bracket 19 advances to be engaged with worm screw 23, and the steel pipe of two sets of advance roller transmission mechanisms, which advances, uses worm screw 23 each One end of comfortable equidirectional is provided with gear 24 and a power input gear 25 engages, and the power input gear 25 is vertical Set and be installed in rotation on the outer face of advancing roller mounting bracket 19, the edge of advancing roller mounting bracket 19 in steel pipe motion path The space passed through for steel pipe is left in the rear and front end end face and the middle part of power input gear 25 in steel pipe motion path direction, moves One end of power input gear 25 and steel pipe advance motor 18 are connected.

So steel pipe advancement mechanism, same steel pipe can be relied on to advance relative with electronic while two advancing rollers of drive Synchronous rotary, the transmission of steel pipe is better achieved.Steel pipe advancement mechanism itself has simple in construction simultaneously, and layout is ingenious compact, The advantages that reliable transmission.Further, one end of power input gear is 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 bracket, so Simple in construction and convenient installation and power transmission.

Wherein, tube fraction power adjustment mechanism, the tube fraction power adjustment mechanism are additionally provided with steel pipe advancement mechanism Including spaced a pair of lever drives plate 26 arranged side by side, the place plane of lever drive plate 26 is parallel with steel pipe direction of advance, thick stick Bar driver plate 26 is installed in rotation on described in same root on jackshaft 21, and lever drive plate 26 is located in advancing roller mounting bracket 19 One end a piece advance roll shaft 20 is installed and forms regulation advance roll shaft, it is horizontal between two rear ends of lever drive plate 26 To one piece of adjustable plate 27 is fixedly connected with, the adjustment hole of a bar shaped is provided with adjustable plate 27 along steel pipe direction of advance, is adjusted A regulating bolt is vertically installed with hole, regulating bolt one end is fixed on advancing roller mounting bracket 19, and regulating bolt is positioned at tune The upper and lower surface of section plate is respectively connected with a location nut（Regulating bolt and location nut are not shown in figure）.

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 steel pipe is moved, and then realizes the tune to tube fraction power size Save, adjusting position is transferred to by advancing roller mounting bracket external position using lever drive plate in the structure, more convenient regulation behaviour Make and laborsaving, while lever drive plate makes it not influence advance roller transmission mechanism during adjusting using jackshaft as axis of rotation Drive mechanism；Therefore with the advantages that simple in construction, regulation is reliable convenient and swift laborsaving.Meanwhile the structure can also be adjusted conveniently Whole realize is driven to the compression of different size model steel pipe.

Wherein, the steel pipe rotary mechanism includes main transmission casing 28, and main transmission casing 28 is along steel pipe progress path direction Rear and front end rotatably arranged with there is guide pin bushing 29, hollow spindle 30, the hollow spindle 30 are fixedly connected between guide pin bushing 29 Inner chamber forms steel pipe progress path, and the rear and front end of the advancing roller mounting bracket 19 is fixed on hollow spindle 30, hollow Rotation output wheel 31 is further fixedly arranged on main shaft 30, output wheel 31 is rotated and steel pipe rotary is connected with motor.

So, steel pipe rotary motor can be relied on to drive hollow spindle to rotate by belt pulley, and then before drive entirely Enter the rotation of roller mounting bracket so that steel pipe is driven while being driven advance to be rotated.Therefore the steel pipe rotary mechanism being capable of band Moving ahead for steel pipe is not interfered with while dynamic steel pipe rotary, there is the advantages that simple in construction, reliable transmission, rotation output is stable.

Wherein, the rotation output wheel 31 is belt pulley and is connected by belt mechanism and steel pipe rotary with motor； Make its simple in construction, cost is cheap, beneficial to implement and cost it is cheap.Yet further, the steel pipe rotary is arranged at motor It is set up in parallel below main transmission casing and with steel pipe advance with motor, makes 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 rear side of steel pipe direction of advance A through hole is respectively opened up on plate, a set of flaw detection mechanism is respectively installed before and after detection case 32 on the side plate of side, flaw detection mechanism has One flaw detection inside the detection case 32 probe 33, flaw detection, which is popped one's head in, 33 is fixed on vertically arranged adjusting rod 34 Lower end, the upper end of adjusting rod 34 are arranged on the side plate of detection case 32, and the probe of two flaw detection mechanisms is located at steel pipe progress path respectively Both sides and face steel pipe progress path set.

So, in steel pipe defectoscope, using right each one probe of setting of a first from left, then the side for coordinating steel pipe to be threadingly advanced Formula, detected a flaw by the way of probe fixation and steel pipe are threadingly advanced, simpler structure can be leaned on to realize well to steel The full surface inspection of pipe, flaw detection efficiency is improved, 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 Pop one's head in as ultrasonic detecting probe, 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, Realize that ultrasonic wave moisture film method is detected a flaw filled with detection liquid in the detection case, the detection case lower end is arranged at a detection liquid returnable 36 It is interior.

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 steel tube surface contact.

Wherein, set in the steel pipe defectoscope of ultrasonic detecting probe, glass is additionally provided with the side of detection case 32 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 steel pipe defectoscope of ultrasonic detecting probe, the top of detection case 32 is provided with input duct（Figure In do not show）, input duct top is provided with heating vessel（Do not shown in figure）, 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 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 steel pipe for before rotary Enter, the rotation of steel pipe can be relied on to avoid the bubble of steel tube surface from adhering to, therefore drastically increase flaw detection accuracy.

Wherein, set in the steel pipe defectoscope of ultrasonic detecting probe, the upper side of detection case 32 is provided with one and overflow Chute 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.So, 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 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.

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 steel pipe by adjusting rod, preferably to adjust the detection range of probe to ensure Accuracy of detection, and can also realize that test position is adjusted according to steel pipe model size.With simple in construction, stabilization easy to adjust can By the characteristics of.

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.

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 big according to steel pipe model It is small to realize that test position is adjusted.

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.

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 steel pipe by adjusting rod, preferably to adjust the inspection of probe Scope is surveyed to ensure accuracy of detection, and can also realize that test position is adjusted according to steel pipe model size.With simple in construction, tune Section facilitates the characteristics of reliable and stable.

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.

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 steel pipe model size.With the characteristics of simple in construction, easy to adjust reliable and stable.

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 steel pipe model size.Meanwhile the clever structure Worm Wheel System pair and screw-nut body are combined together by ground, are realized by the auto-lock function of worm and gear to leading screw spiral shell The rotation of nut is spacing in parent agency；Therefore simple structure is relied on to realize adjusting rod up and down motion regulation and rotation regulation simultaneously Function.With the characteristics of simple in construction, easy to adjust reliable and stable.

Claims (4)

1. a kind of steel pipe advancement mechanism, it is characterised in that steel pipe advancement mechanism includes the advancing roller peace of a rectangular frame structure Shelve, two spaced advance roll shafts arranged side by side, two advance roll shafts are rotatably mounted with advancing roller mounting bracket inner chamber Place plane installs advancing roller on steel pipe motion path, advance roll shaft, and two advancing rollers are each via a set of advancing roller Transmission mechanism and same steel pipe advance are connected with motor；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 stretched with one side by side with advance roll shaft Go out the power intake of advancing roller mounting bracket, before each the power intake of jackshaft stretches out in two sets of advance roller transmission mechanisms Enter the not ipsilateral of roller mounting bracket, the part that jackshaft is located in advancing roller mounting bracket passes through an external gear wheel and corresponding advance Roll shaft 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 it is parallel The worm engaging of advancing roller mounting bracket lateral surface, the worm screw of two sets of advance roller transmission mechanisms are arranged in steel pipe motion path direction One end of each comfortable equidirectional is provided with gear and a power input gear engagement, and the power input gear is perpendicular to steel Pipe motion path sets and is installed in rotation on advancing roller mounting bracket outer face, and the advancing roller mounting bracket moves along steel pipe The space passed through for steel pipe, power input gear are left 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 connected with motor.

2. steel pipe advancement mechanism as claimed in claim 1, it is characterised in that one end of power input gear relies on belt and steel Pipe advance is connected with motor.

3. steel pipe advancement mechanism as claimed in claim 1, it is characterised in that steel pipe advance electricity consumption machine is located at advancing roller mounting bracket On the bottom plate of lower section.

4. steel pipe advancement mechanism as claimed in claim 1, it is characterised in that be additionally provided with tube fraction in steel pipe advancement mechanism Power adjustment mechanism, the tube fraction power adjustment mechanism include spaced a pair of lever drives plate arranged side by side, lever drive plate Place plane is parallel with steel pipe direction of advance, and lever drive plate is installed in rotation on described in same root on jackshaft, and lever passes One end that dynamic plate is located in advancing roller mounting bracket is provided with an advance roll shaft and forms regulation advance roll shaft, two thick sticks Laterally it is fixedly connected with one piece of adjustable plate between bar driver plate rear end, steel pipe direction of advance is provided with a bar shaped on adjustable plate Adjustment hole, be vertically installed with a regulating bolt in adjustment hole, regulating bolt one end is fixed on advancing roller mounting bracket, regulation The upper and lower surface that bolt is located at adjustable plate is respectively connected with a location nut.