CN208833566U - It is a kind of for manufacturing the device of oil-gas pipeline internal flaw - Google Patents

Abstract

The utility model discloses a kind of for manufacturing the device of oil-gas pipeline internal flaw, it include base assembly, laser head, laser generator, the control unit for controlling whole device work, base assembly include crank arm, pedestal, workbench is installed on pedestal, workbench can be moved forward and backward and can movably be defined on pedestal, and the clamp assemblies for clamping pipe fitting to be processed are equipped on workbench；It cranks arm and is located above workbench, crank arm to be defined on pedestal up or down, and laser head is fixed on Its lower side face, and the downside of laser head offers the laser hole projected for laser；The downside of the shell of laser head is also equipped with the depth inductor for incuding work pieces process depth；Laser generator transmits laser signal by laser galvanometer of the optical fiber hose into laser head.Compared with prior art, the utility model process is simple and fast, high in machining efficiency, and processing cost is low.

Description

It is a kind of for manufacturing the device of oil-gas pipeline internal flaw

Technical field

The utility model relates to oil-gas pipeline defect detecting technique fields, more particularly to a kind of for manufacturing oil gas The device of pipeline internal flaw.

Background technique

Oil-gas pipeline non-destructive testing technology is one of the research hotspot of current technical field of nondestructive testing.Non-destructive testing technology Detection reliability with higher and detection speed, have been widely used in the detection of oil-gas pipeline.Non-destructive testing manually lacks Sunken sample is the standard specimen in non-destructive testing application, is the key part for determining non-destructive testing result.Artificial defect is artificial The representative defect that ground inside and outside on Piping specimen produces.For the size of artificial cutting and through-hole, U.S.'s stone Oil association API (American Petroleum institute) has formulated specific standard.Domestic at present, oil-gas pipeline is artificial The method of defect manufacture is all conventional method, and usual method is machined into, outside the manufactures such as electrical discharge machining or chemical attack The defect in portion.The manufacture of existing artificial defect there are the drawbacks of it is as follows: machining, spark machined mode are all only suitable for pipeline The manufacture of External Defect is not suitable for the manufacture of pipeline internal flaw.It, can not be direct since manipulable space is small inside pipeline Processing, needs dedicated equipment or Design assistant tooling, the manufacture difficulty of processing of defect is big, and the manufacturing cycle is long, at high cost.Tradition The improper internal flaw of processing method manufacture.

Therefore, in order to save manufacturing cost, improve manufacture efficiency, further increase the technology of China's non-destructive testing application with And level made in China, production utility model go out non-destructive testing oil-gas pipeline internal flaw sample manufacturing device be have it is important Practical significance.

Utility model content

The utility model is to solve existing technological deficiency, is provided a kind of for manufacturing the dress of oil-gas pipeline internal flaw It sets, process is simple and fast, and high in machining efficiency, processing cost is low.Its specific technical solution is as follows:

The utility model discloses a kind of for manufacturing the device of oil-gas pipeline internal flaw, includes base assembly, laser Head, laser generator, the control unit for controlling whole device work, base assembly include crank arm, pedestal, pacify on pedestal Equipped with workbench, workbench can be moved forward and backward and can movably be defined on pedestal, be equipped on workbench for clamping The clamp assemblies of pipe fitting to be processed；It cranks arm and is located above workbench, crank arm to be defined on pedestal up or down, tool of cranking arm There is the mounting portion for extending into " L " type downward, laser head has shell, and the shell of laser head is fixed on the lateral section of mounting portion On, the length direction of lateral section and workbench move left and right that direction is parallel, laser galvanometer is installed in the shell of laser head, The shell downside of laser head offers the laser hole projected for laser, is equipped with by way of screw thread twist-on at laser hole Lens barrel, lens barrel is interior to be equipped with convex lens；The downside of the shell of laser head is also equipped with the depth for incuding work pieces process depth Inductor；Laser generator transmits laser signal by laser galvanometer of the optical fiber hose into laser head.

Further, depth inductor uses ultrasonic sensing device.

Further, the configuration quantity of clamp assemblies is two, and clamp assemblies include grip block, transverse slat, locating rod, pad Item, the table top of the plate face vertical table of grip block are arranged oppositely between the grip block of two clamp assemblies, form one for putting Set the clamping position of pipe fitting to be processed；Grip block has a slot position in the plate face far from clamping position, one end of transverse slat be located at slot position it is interior, To the inner lower face together in slot position, the other end of transverse slat extends along the direction of multiple operation platform, and filler strip is set to transverse slat far from folder It holds between the end of plate and workbench, the upper side of filler strip, downside support the end downside together in transverse slat far from grip block respectively Face, workbench upper side, the height in the inner lower face of the upper side and slot position of filler strip flushes；Transverse slat is also provided with vertical Strip-shaped hole, strip-shaped hole is between filler strip and grip block, the plate face of the vertical grip block of the length direction of strip-shaped hole, and locating rod is vertical Through strip-shaped hole, the lower end of locating rod is defined on workbench, and the upper end of locating rod has screwed up nut, and the diameter of nut is greater than item The width in shape hole.

Further, workbench is equipped with multiple strip grooves arranged in parallel, the length direction of strip groove and grip block Plate face is parallel, and the section of the vertical axial of strip groove is " convex " shape, and the lower end of locating rod is expanded into " convex " shape, the lower end of locating rod It is defined in strip groove.

Further, base assembly further includes having backing plate, the first screw component, the second screw component；Backing plate is located at pedestal Upper side, the downside of backing plate is equipped with the groove that front-rear direction extends, and it is convex that there is the upper side of pedestal front-rear direction to extend Item is realized by way of convex block and groove cooperation between backing plate and pedestal and is slidably connected；First screw component includes first The fixing end of screw rod, first motor, first motor is fixed on pedestal, and the first screw rod extends along the longitudinal direction, the first screw rod One end is threadedly coupled with backing plate, and the other end of the first screw rod and the rotating shaft transmission of first motor connect；The upper side of backing plate is equipped with The raised line that left and right directions extends, the downside of workbench are equipped with the groove that left and right directions extends, pass through between workbench and backing plate The mode that raised line cooperates with groove is slidably connected；Second screw component includes the second screw rod, the second motor, the fixation of the second motor End is fixed on backing plate, and the second screw rod extends in left-right direction, and one end of the second screw rod is threadedly coupled with workbench, the second screw rod The other end connect with the rotating shaft transmission of the second motor.

Further, the upper side of pedestal is equipped with vertically extending upright bar, and the lower end of upright bar is perpendicularly fixed at the upper of pedestal Side, the top end face of upright bar are fixed with driving motor, and the top of upright bar is equipped with mounting base, cranks arm and be fixed on the downside of mounting base Face；

One of all sides of mounting base offer vertically extending driving groove, are formed in driving groove vertically extending The shaft of rack gear, driving motor extends in driving groove, and the shaft of driving motor is equipped with gear, wheel and rack engagement connection； The opposite all sides of two adjacent with driving groove of mounting base are respectively equipped with a clamping plate, driving groove be located at two clamping plates it Between, two clamping plates extend towards upright bar and are fastened in the opposite sides face of upright bar respectively；The opposite sides face of upright bar is equipped with perpendicular To extending flute, the inner plate surface of clamping plate is equipped with raised line, real by way of raised line and groove cooperation between clamping plate and upright bar Now it is slidably connected.

Further, the processing method of above-mentioned apparatus are as follows: pipe fitting to be processed is defined on clamping position, at laser head Lens barrel is installed, driving workbench is so that laser head drives and cranks arm to adjust the position of laser head up and down direction positioned to inside pipe fitting It sets, and then is located at the processing focal length of laser head on arranged at inner side of pipe fitting wall, start to process for the first time；First time completion of processing uses Depth inductor incudes the working depth of the machining position of pipe fitting, and the depth signal sensed is fed back to control unit, controls Unit judges depth signal, if depth is not up to standard, carries out error prompting；If depth is up to standard, driving crank arm so that Laser head moves down certain distance, carries out second and processes, second of completion of processing, using the processing of depth inductor induction pipe fitting The working depth of position, and depth signal is fed back to control unit, control unit judges the depth signal, if not reaching Mark, then carry out error prompting, if up to standard, stops processing or being processed next time.

Further, when the depth of second processing is up to standard, then driving is cranked arm so that laser head moves down certain distance, is carried out Third time is processed, and so on, until the working depth of the machining position of pipe fitting reaches required depth.

Further, the working depth processed every time tapers off state.

The utility model has the beneficial effects that laser processing technology is applied to processing and manufacturing by the utility model manages interior defect neck Domain its biggest advantage is that laser processing tool is not necessarily to contact with workpiece, therefore eliminates many fixtures and cutter, reduces processing Cost；In addition the high-precision characteristic of laser engraving is also especially suitable for the processing of complex figure, and machining accuracy is high, processing efficiency It is high.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model embodiment；

Fig. 2 is the position the A partial enlargement structural representation of Fig. 1 of the utility model embodiment；

Fig. 3 is the whole face view structural schematic diagram of the utility model embodiment；

Fig. 4 is the laser head structure schematic diagram of the utility model embodiment.

It is marked in figure: pedestal 100, backing plate 101, workbench 102, upright bar 103, mounting base 104, strip groove 105, driving groove 106, driving motor 107, clamping plate 108, the second motor 109, first motor 110, mounting post 111, rack gear 112, laser generation Device 200, optical fiber hose 201, laser head 202, lens barrel 203, ultrasonic sensing device 204, control unit 300, pipe fitting 400 are cranked arm 500, grip block 600, locating rod 601, transverse slat 602, filler strip 603.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

The utility model is described in further detail below by specific embodiment combination attached drawing.Please refer to attached drawing.

The utility model discloses a kind of for manufacturing the device of oil-gas pipeline internal flaw, includes base assembly, laser First 202, laser generator 200, the control unit 300 for controlling whole device work.

Base assembly includes 500, pedestal 100 of cranking arm, and is equipped with workbench 102 on pedestal 100, workbench 102 can before After move and can movably be defined on pedestal 100, the effect that workbench 102 all around moves is to make pipe to be processed Part 400 is moved to suitable Working position.Workbench 102 can be by the guide rail for the guide rail mechanism and left and right trend that front and back is moved towards Mechanism drives, and the structure and working principle of guide rail mechanism can be using the structures of the cutter moving guide rail component of CNC milling machine And principle, or the movement of platform 102 that pushed the work forward by two orthogonal hydraulic mechanisms of direction of propulsion, as preferred side Case, the utility model embodiment the technical solution adopted is that: on pedestal 100 be arranged backing plate 101, the first screw component, second Screw component, wherein backing plate 101 is located at the upper side of pedestal 100, and the downside of backing plate 101 is equipped with front-rear direction (before here For rear direction using the orientation in Fig. 3 as reference, front-rear direction described below, left and right directions are also to make according to the orientation in Fig. 3 For reference) groove that extends, the raised line that there is front-rear direction to extend for the upper side of pedestal 100, the raised line and 100 one of pedestal at Type is realized by way of raised line and groove cooperation between backing plate 101 and pedestal 100 and is slidably connected；First screw component includes There are the first screw rod, first motor 110, the fixing end of first motor 110 is screwed on pedestal 100, the first screw rod edge Front-rear direction extends, and one end of the first screw rod is threadedly coupled with backing plate 101, the other end and the first motor 110 of the first screw rod Rotating shaft transmission connection, it is preferable that the end of the first screw rod is provided with flange seat, and the outer end of the shaft of first motor 110 is equipped with The link block of round pie, generally, link block and the shaft of first motor 110 are integrally formed, and link block is fixed by screws in On flange seat, transmission connection is realized, and the pivot center of the first screw rod is overlapped with the pivot center of first motor 110, work When, first motor 110 drives the rotation of the first screw rod, and the first screw rod is converted into rotation displacement the straight-line displacement of bottom plate, makes bottom plate It is moved forward and backward, principle is identical as the transmission principle of ball screw；The upper side of backing plate 101 is equipped with the convex of left and right directions extension Item, the raised line and backing plate 101 are integrally formed, and the downside of workbench 102 is equipped with the groove that left and right directions extends, workbench 102 It is slidably connected by way of raised line and groove cooperation between backing plate 101；Second screw component includes the second screw rod, the second electricity Machine 109, the fixing end of the second motor 109 are screwed on backing plate 101, and the second screw rod extends in left-right direction, and second One end of screw rod is threadedly coupled with workbench 102, and the other end of the second screw rod is connect with the rotating shaft transmission of the second motor 109, the Connection and the kind of drive between two screw rods and the second motor 109 are equal to the connection between the first screw rod and first motor 110 And the kind of drive, when work, the second motor 109 drives the second screw rod, and rotation displacement is converted into workbench 102 by the second screw rod Straight-line displacement；Movement by the movement and workbench 102 of bottom plate relative to bottom plate can make workbench 102 realize that front and back is left The movement of right direction, compared to traditional machine tool drive structure, the technical program structure is simple, can save many and diverse fastening zero Part and the installation process for saving complexity, save cost.

In order to which pipe fitting 400 to be processed is limited on workbench 102, it is equipped on workbench 102 to be added for clamping The clamp assemblies of the pipe fitting 400 of work, clamp assemblies can be using machine chuck or mechanical clamp hands, by clamp assemblies pipe fitting 400 are secured transverse in the plate face of workbench 102, it is preferable that the utility model preferred embodiment the technical solution adopted is that: match Two symmetrically arranged clamp assemblies are set, clamp assemblies include grip block 600, transverse slat 602, locating rod 601, filler strip 603, folder The table top of the plate face vertical table 102 of plate 600 is held, is arranged oppositely between the grip block 600 of two clamp assemblies, forms a use In the clamping position for placing pipe fitting 400 to be processed；Grip block 600 has slot position, specifically, the slot in the plate face far from clamping position Position is surrounded by two pieces of triangular baffles and a lower baffle plate, and triangular baffle and lower baffle plate are integrally formed with grip block 600, horizontal Plate 602 is strip, and one end of transverse slat 602 is located in slot position, to inner lower face (the i.e. upside of lower baffle plate together in slot position Face), which can be fixedly welded in slot position, can also activity be placed in slot position, the scheme preferably movably placed is horizontal The other end of plate 602 extends along the direction of multiple operation platform 102, and filler strip 603 is set to end of the transverse slat 602 far from grip block 600 Between workbench 102, the upper side of filler strip 603, downside are supported respectively together under end of the transverse slat 602 far from grip block 600 Side, workbench 102 upper side, end of the transverse slat 602 far from grip block 600 support by filler strip 603, filler strip 603 it is upper Side is flushed with the height in the inner lower face of slot position, and transverse slat 602 can be made to keep horizontality in this way；Transverse slat 602 also opens up There is vertical strip-shaped hole, strip-shaped hole is between filler strip 603 and grip block 600, the vertical grip block 600 of the length direction of strip-shaped hole Plate face (i.e. the plate face of the length direction multiple operation platform 102 of strip-shaped hole), locating rod 601 vertically run through strip-shaped hole, locating rod It can be relatively moved between 601 and strip-shaped hole, the lower end of locating rod 601 is defined on workbench 102, the upper end of locating rod 601 Nut is screwed up, the diameter of nut is greater than the width of strip-shaped hole, by tightening nut, nut is made to have downward squeeze to transverse slat 602 Pressure, and then so that the both ends of transverse slat 602 is distinguished compression clamping plate 600, filler strip 603, and then grip block 600 is fixed on work On platform 102, and the effect of filler strip 603 is to adjust the height at 602 both ends of transverse slat, and transverse slat 602 is made preferably to act on grip block 600；When needing to adjust the distance between two grip blocks 600, nut need to only be unscrewed, then transverse slat 602 be pushed to move inside, Two grip blocks 600 can be made close to each other.When pipe fitting 400 is installed, by adjusting the distance between two grip blocks 600, make two folders Holding plate 600 has certain extruding force to pipe fitting 400, with reaching the mesh for limiting pipe fitting 400.Wherein, side more preferably Case, workbench 102 are equipped with multiple strip grooves 105 arranged in parallel, the length direction of strip groove 105 and the plate of grip block 600 Face is parallel, and the section of the vertical axial of strip groove 105 is " convex " shape, and the lower end of locating rod 601 is expanded into " convex " shape, locating rod 601 lower end is fastened in strip groove 105, moves locating rod 601 along strip groove 105, and then drives clamp assemblies It is mobile, facilitate adjustment retaining positions.Since active force of the laser processing procedure to pipe fitting 400 is minimum, can save very much Fastening clips and fastener simplify installation process, and the technical solution of this clamp assemblies is realized tightly by simple structure Gu, positioning etc. functions, save manufacture and use cost.

When work, in order to realize that laser head 202 moves up and down, the preferred embodiment scheme of the utility model use are as follows: Mounting base 104 is set on pedestal 100,500 downsides for being fixed on mounting base 104 of cranking arm, it is preferable that the lower part of mounting base 104 With the mounting post 111 extended down, cranking arm 500 is fixedly connected by screw with the lower end of mounting post 111.It cranks arm and 500 is located at The top of workbench 102, mounting base 104 are limited on pedestal 100 in which can move up and down, and then are made to crank arm and 500 can be moved up and down Ground is defined on pedestal 100, and crank arm 500 can realize the movement of up and down direction using installation hydraulic cylinder, but practical at this In new embodiment, embodiment are as follows: vertically extending upright bar 103 is set in the upper side of pedestal 100, under upright bar 103 End is perpendicularly fixed at the upper side of pedestal 100, is preferably screwed, the top end face of upright bar 103 has been screwed drive Dynamic motor 107, the top of upright bar 103 is provided with mounting base 104；One of all sides of mounting base 104, which offer, vertically prolongs The driving groove 106 stretched, the one of medial surface of driving groove 106 have vertically extending rack gear 112, rack gear 112 and mounting base 104 Be integrally formed, the shaft of driving motor 107 extends in driving groove 106, and the shaft of driving motor 107 is equipped with gear, gear with The engagement connection of rack gear 112；The opposite all sides of two adjacent with driving groove 106 of mounting base 104 are respectively equipped with a clamping Plate 108, between two clamping plates 108, two clamping plates 108 extend towards upright bar (103) and are fastened in respectively driving groove 106 The opposite sides face of upright bar (103)；The opposite sides face of upright bar (103) is equipped with vertically extending groove, the inner panel of clamping plate 108 Face is equipped with raised line, is realized and is slidably connected by way of raised line and groove cooperation between clamping plate 108 and upright bar (103), worked When, driving motor 107 drives mounting base 104 to move up and down by positive and negative rotation.The technical program component structural letter Single, manufacturing cost is low.

When work, in order to extend into laser head 202 can in pipe fitting 400, the technical side of the preferred embodiment in the utility model Case are as follows: crank arm 500 with the mounting portion extended downward, mounting portion has vertical rod segment and transverse bar pieces, vertical rod segment and transverse direction " L " type is connected between rod segment, the upper end of vertical rod segment is fixed by screws in the lower end of mounting post 111, transverse bar pieces connection In the lower end of vertical rod segment；The length direction of transverse bar pieces is parallel with the direction that workbench 102 moves left and right, and laser head 202 has There is a shell of square box shaped, the shell of laser head 202 is screwed in the transverse bar pieces of mounting portion, when work, passes through shifting Dynamic workbench 102 keeps the pipe fitting 400 on workbench 102 mobile and covers outside transverse bar pieces, and then enables laser head 202 Into inside pipe fitting 400；Preferably, it is fixed on the end of transverse bar pieces, laser head 202 can be more convenient in this way into pipe fitting In 400.

Laser galvanometer is installed, laser galvanometer is also laser scanner, includes X-Y reflection in the shell of laser head 202 The driving plate of mirror, field lens, galvanometer, two sets of high-precision angle servo motors and motor, the another set of control of a set of control X reflecting mirror Y reflecting mirror.Beating defect card software and control unit 300, (control unit 300 is PLC controller to angle servo motor, is beaten scarce Sunken card software is mounted in the host of PLC controller) control under, the angle of two pieces of reflecting mirrors can be rotated respectively, thus laser Beam by the reflections of this two pieces of reflecting mirrors, focused on the different location of pipe fitting 400 by field lens so make laser beam to beat it is scarce The defect pattern that setting is produced on sunken pipe fitting 400, since the working principle of laser galvanometer system and specific structure are existing Some technologies, it is not described here in detail for the connection type and working principle of specific structure.The shell downside of laser head 202 opens up There is the laser hole projected for laser, laser beam is irradiated on pipe fitting 400 by laser hole.Pass through screw thread twist-on at laser hole Mode lens barrel 203 is installed, convex lens is equipped in lens barrel 203, since the diameter of processed pipe fitting 400 is generally smaller, Therefore, it is necessary to can change the irradiation focal length of laser by convex lens, the position of laser is made to concentrate on 400 machined surface of pipe fitting On, the lens barrel 203 of the utility model embodiment is that the mode being threadedly coupled is installed, therefore replacement easy to disassemble and facilitates adjustment Focal length, different pipe fittings 400 use the lens barrel 203 of different focal length；The downside of the shell of laser head 202 is also equipped with for feeling The depth inductor of 400 working depth of pipe fitting is answered, depth inductor and lens barrel 203 are on the same line；Laser generator 200 produces Raw laser simultaneously transmits the laser by laser galvanometer of the optical fiber hose 201 into laser head 202.Laser head 202, first motor 110, the second motor 109, driving motor 107, depth inductor pass through conducting wire and connect with control unit 300.

Further, the scheme of 400 working depth of pipe fitting is detected other than using depth inductor, can also be swept using 3D Mode is retouched, but equipment needed for 3D scanning mode is costly, in contrast, uses using the detection mode of depth inductor Cost is relatively low.Preferably, depth inductor uses ultrasonic sensing device 204, and ultrasonic sensing device 204 generally comprises Have: 1, transmitter generates ultrasonic wave by oscillator vibration and radiates to aerial.2, receiver, when oscillator receives ultrasonic wave, root Corresponding mechanical oscillation occur according to ultrasonic wave, and are converted into electric flux, the output as receiver.3, control section leads to It crosses and is sent with the ultrasonic wave of integrated circuit control transmitter, and judge whether receiver receives signal (ultrasonic wave), Yi Jiyi The size of signal is received, and then judges that obstacle from the distance between generator, and then calculates 400 working depth of pipe fitting.4, Power unit, it is that DC12V ± 10% or ± 10% external dc power of 24V supply that ultrasonic sensing device 204, which generallys use voltage, Electricity, through the supply inductor work of internal voltage regulator circuit.The working depth of pipe fitting 400 is incuded using ultrasonic sensing device 204, no Using only at low cost and easy for installation, simplified detection process, raising detection accuracy.

The processing method of above-mentioned apparatus are as follows: pipe fitting 400 to be processed is defined on clamping position, is pacified at laser head 202 The lens barrel 203 for filling particular focal length, by mobile work platform 102 so that laser head 202 is located inside pipe fitting 400, and passes through drive Dynamic mounting base 104 makes adding for laser head 202 with the height for adjusting laser head 202 to adjust the processing focal length of laser head 202 Work focal length is fallen in 400 inner wall surface of pipe fitting, due to laser head 202 can process its apart from focal length certain error range (such as Region in 1mm-2.5mm), therefore, when processing, even if laser head 202 does not move up and down (i.e. its focal length does not move up and down), It is capable of processing out the station of certain depth.After adjusting focal length, start to process for the first time；First time completion of processing, using sense of depth The working depth of the machining position of device induction pipe fitting 400 is answered, and the depth signal sensed is fed back to control unit 300, is controlled Unit 300 judges depth signal, if depth is not up to standard, carries out error prompting；If depth is up to standard, drive installation seat 104 so that laser head 202 moves down certain distance, moves down into the focal length of laser head 202 on the bottom end surface of machining position, then into Second of processing of row, second of completion of processing incude the working depth of the machining position of pipe fitting 400, and handle using depth inductor Depth signal feeds back to control unit 300, and control unit 300 judges the depth signal, if it does not meet the standards, then carries out mistake It reminds, if up to standard, stops processing or being processed next time；Wherein, depth inductor can be detected constantly, can also not It constantly detects, since the scheme of lasting detection is with high costs, preferably, depth inductor is in laser head 202 Just start to measure after stopping processing, measurement difficulty can be reduced in this way, reduce the cost of device fabrication.

Further, the depth processed when second is up to standard, then so that laser head 202 is moved down certain distance, make laser head 202 Focal length be moved on the bottom end surface of machining position, carry out third time processing, and so on, until the machining position of pipe fitting 400 Working depth reaches required depth.

Further, the distance for moving down laser head 202 every time tapers off state, to keep the processing processed every time deep The state that also tapers off is spent, can be easier to get hold of machining accuracy in this way.

Below to illustrate manufacturing process flow for the inner wall of the pipe defect manufacture of depth 6mm with size 48X48mm:

1, the impurity such as the burr of pipe fitting 400 are removed.

2, pipe fitting 400 is positioned and affixed on workbench 102.

3, it installs on lens barrel 203 to laser head 202.

4, mobile work platform 102 enter laser head 202 inside pipe fitting 400, and so that laser head 202 is rested on pipe fitting 400 needs Beat the position of defect；The height of laser head 202 is adjusted, so that the focal length that laser head 202 is processed falls on 400 inner sidewall table of pipe fitting Face.

5, the parameter of setting laser processing, parameter include: line spacing, processing number, speed, power, frequency etc., carry out the Roughing.

6, after scheduled process time, roughing terminates, and ultrasonic sensing device 204 detects machined depth, passes through Inductor display depth.First time roughing depth is 2.2mm.

7, make laser head 202 moves down 2.2mm.

8, the parameter of laser processing is readjusted, parameter includes: line spacing, processing number, speed, power, frequency etc., into The secondary roughing of row, working depth 2mm.

9, after preset process time, secondary roughing terminates, and ultrasonic sensing device 204 detects machined depth, Pass through inductor display depth.Reaching depth is 4.2mm.

10, make laser head 202 to lower mobile 2mm again.

11, the parameter of laser processing is readjusted, parameter includes: line spacing, processing number, speed, power, frequency etc., Third time semifinishing is carried out, the semi-finished working depth of third time is 1.6mm.

12, after scheduled process time, third time semifinishing terminates, and ultrasonic sensing device 204 detects machined Depth passes through inductor display depth.Reaching depth is 5.8mm.

13, laser head 202 is made to move down 1.6mm.

14, the parameter of laser processing is readjusted, parameter includes: line spacing, processing number, speed, power, frequency etc., The 4th finishing is carried out, the depth of the 4th finishing is 0.2mm.

15, after scheduled process time, ultrasonic sensing device 204 detects machined depth, and determination reaches requirement 6mm。

Above-mentioned single process depth is controlled by machined parameters.

The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.

Claims (6)

1. a kind of for manufacturing the device of oil-gas pipeline internal flaw, which is characterized in that include base assembly, laser head (202), laser generator (200), the control unit (300) for controlling whole device work, the base assembly include It cranks arm (500), pedestal (100), is equipped with workbench (102) on the pedestal (100), the workbench (102) can front and back shifting It moves and can movably be defined on the pedestal (100), be equipped on the workbench (102) to be processed for clamping The clamp assemblies of pipe fitting (400)；Described crank arm (500) are located above the workbench (102), and crank arm (500) can be upper and lower It is movably defined on the pedestal (100), described crank arm (500) have the mounting portion for extending into " L " type downward, the laser Head (202) has shell, and the shell of the laser head (202) is fixed in the lateral section of the mounting portion, the transverse part Length direction and the workbench (102) of section move left and right that direction is parallel, are equipped in the shell of the laser head (202) Laser galvanometer, the shell downside of the laser head (202) offer the laser hole projected for laser, lead at the laser hole The mode for crossing screw thread twist-on is equipped with lens barrel (203), and convex lens is equipped in the lens barrel (203)；The shell of the laser head (202) The downside of body is also equipped with the depth inductor for incuding work pieces process depth；The laser generator (200) passes through light Laser galvanometer in fine hose (201) Xiang Suoshu laser head (202) transmits laser signal.

2. as described in claim 1 for manufacturing the device of oil-gas pipeline internal flaw, which is characterized in that the sense of depth is answered Device uses ultrasonic sensing device (204).

3. as described in claim 1 for manufacturing the device of oil-gas pipeline internal flaw, which is characterized in that the clamp assemblies Configuration quantity be two, the clamp assemblies include grip block (600), transverse slat (602), locating rod (601), filler strip (603), the table top of the vertical workbench (102) of the plate face of the grip block (600), the clamping of two clamp assemblies Plate is arranged oppositely between (600), forms one for placing the clamping position of pipe fitting to be processed (400)；The grip block (600) There is slot position, one end of the transverse slat (602) is located in the slot position, supports together in the slot in plate face far from the clamping position The other end in the inner lower face of position, the transverse slat (602) extends along the direction of multiple operation platform (102), the filler strip (603) Between the transverse slat (602) end and the workbench (102) far from the grip block (600), the filler strip (603) Upper side, downside supported respectively together in the transverse slat (602) far from the end downside of the grip block (600), the work Make the upper side of platform (102), the upper side of the filler strip (603) is flushed with the height in the inner lower face of the slot position；It is described Transverse slat (602) is also provided with strip-shaped hole, and the strip-shaped hole is described between the filler strip (603) and the grip block (600) The plate face of the vertical grip block (600) of the length direction of strip-shaped hole, the locating rod (601) vertically run through the strip-shaped hole, The lower end of the locating rod (601) is defined on the workbench (102), and the upper end of the locating rod (601) has screwed up nut, The diameter of the nut is greater than the width of the strip-shaped hole.

4. as claimed in claim 3 for manufacturing the device of oil-gas pipeline internal flaw, which is characterized in that the workbench (102) multiple strip grooves (105) arranged in parallel, the length direction and the grip block of the strip groove (105) are equipped with (600) plate face is parallel, and the section of the vertical axial of the strip groove (105) is " convex " shape, the lower end of the locating rod (601) It is expanded into " convex " shape, the lower end of the locating rod (601) is defined in the strip groove (105).

5. as described in claim 1 for manufacturing the device of oil-gas pipeline internal flaw, which is characterized in that the base assembly It further include having backing plate (101), the first screw component, the second screw component；The backing plate (101) is located at the pedestal (100) Upper side, the downside of the backing plate (101) are equipped with the groove that front-rear direction extends, and the upper side of the pedestal (100) has The raised line that front-rear direction extends, it is real by way of convex block and groove cooperation between the backing plate (101) and the pedestal (100) Now it is slidably connected；First screw component includes the first screw rod, first motor (110), and first motor (110) are consolidated Fixed end is fixed on the pedestal (100), and first screw rod extends along the longitudinal direction, one end of first screw rod with it is described Backing plate (101) is threadedly coupled, and the other end of first screw rod is connect with the rotating shaft transmission of the first motor (110)；It is described The upper side of backing plate (101) is equipped with the raised line that left and right directions extends, and the downside of the workbench (102) is prolonged equipped with left and right directions The groove stretched is slidably connected by way of raised line and groove cooperation between the workbench (102) and the backing plate (101)； Second screw component includes the second screw rod, the second motor (109), and the fixing end of second motor (109) is fixed on institute It states on backing plate (101), second screw rod extends in left-right direction, one end and the workbench (102) of second screw rod It is threadedly coupled, the other end of second screw rod is connect with the rotating shaft transmission of second motor (109).

6. as described in claim 1 for manufacturing the device of oil-gas pipeline internal flaw, which is characterized in that the pedestal (100) upper side is equipped with vertically extending upright bar (103), and the lower end of the upright bar (103) is perpendicularly fixed at the pedestal (100) top end face of upper side, the upright bar (103) is fixed with driving motor (107), and the top of the upright bar (103) is set Have mounting base (104), the downsides of the mounting base (104) is fixed in crank arm (500)；

One of all sides of the mounting base (104) offer vertically extending driving groove (106), the driving groove (106) it is formed with vertically extending rack gear (112) in, the shaft of the driving motor (107) extends to the driving groove (106) Interior, the shaft of the driving motor (107) is equipped with gear, and the gear engages connection with the rack gear (112)；The mounting base (104) the two opposite all sides adjacent with the driving groove (106) are respectively equipped with a clamping plate (108), the biography Dynamic slot (106) between two clamping plates (108), two clamping plates (108) extend, simultaneously towards the upright bar (103) It is fastened in the opposite sides face of the upright bar (103) respectively；The opposite sides face of the upright bar (103) is equipped with vertically extending recessed The inner plate surface of slot, the clamping plate (108) is equipped with raised line, passes through raised line between the clamping plate (108) and the upright bar (103) It realizes and is slidably connected with the mode of groove cooperation.