CN203551515U - Automatic ultrasonic fault detector - Google Patents

Abstract

The utility model discloses an automatic ultrasonic fault detector for solving the problems that a coupling agent cannot be automatically sprayed, a test piece cannot automatically move, and a probe is low in positioning accuracy and is difficult to realize three-dimensional and automatic flaw detection. The automatic ultrasonic fault detector comprises a guide rail portion, a fixture portion and a probe portion, wherein the guide rail portion comprises a guide rail shell (1) and a slide block; the fixture portion comprises a driving clamp head (7) and a driven clamp head (9); the probe portion comprises a probe (17) and a probe lifting frame (20); the probe portion is mounted on a top end face of the slide block in the guide rail portion in a bolt connection manner, the upper end of the probe portion stretches out of a square through hole in a hood cover of the guide rail shell (1) in the guide rail portion, the driving clamp head (7) and the driven clamp head (9) in the fixture portion are mounted at two ends of the guide rail shell (1) in the guide rail portion, and a horizontal top end face of the probe (17) in the probe portion is coplanar with a connecting line of gyration centers of the driving clamp head (7) and the driven clamp head (9).

Description

Automatic ultrasonic flaw-detecting instrument

Technical field

The utility model relates to the checkout equipment of a kind of metal specimen and part quality, and or rather, the utility model relates to a kind of automatic ultrasonic flaw-detecting instrument.

Background technology

In recent years, for three-dimensional ultrasonic imaging, a lot of different technology have been developed.In view of acquisition methods, can be divided into four classes: two-dimensional transformations device array, airborne scanner and there is and do not have the free-hand scan method of positional information.At medical domain, three-dimensional ultrasonic diagnostic device is rapidly developed.With CT with MRI imaging compare, ultrasound wave is to obtain the low cost solution of three-dimensional imaging.In addition, operation is without professional training and anti-radiation protection.Because body configuration is different, the ultrasonic instrument that is applied in medical domain is generally manual control, and is not suitable for industrial part detection in enormous quantities, by certain improvement, the three-D ultrasonic wave technology of medically application can be applied in industrial detection.Especially UT (Ultrasonic Testing) machinery scanner technology, has good development prospect.

In metal specimen and part Non-Destructive Testing, UT (Ultrasonic Testing) technology is a kind of important means.When ultrasound wave is propagated in detected material, the acoustic characteristic of material and the variation of interior tissue produce certain impact to hyperacoustic propagation, thereby are called Ultrasonic Detection by the detection Knowing material performance to ultrasound wave degree of susceptibility and situation and the technology of structural change.UT (Ultrasonic Testing) is to utilize ultrasonic wave energy to penetrate metal inside, and while entering another cross section by a cross section, and the feature that reflection occurs in section edges detects a kind of method of defective part.For metal material UT (Ultrasonic Testing), ultrasonic-wave flaw-detecting probe contacts with metal material test specimen by couplant.At present, the UT (Ultrasonic Testing) of a lot of materials still adopts range estimation flaw detection and manual ultrasonic flaw detection, and labour intensity is large, flaw detection efficiency is lower, pops one's head in low in the running fix ability on test specimen surface.Existing ultrasonic flaw detecting device do not possess automatic coating coupling agent device, probe and test specimen apart from needs manually adjust, test specimen can not move automatically, be difficult to realize three dimensional stress and the robotization of flaw detection, need a large amount of manual operations, the whole requirements of process long period of defects detecting technology, affect very much work efficiency.

Summary of the invention

Technical problem to be solved in the utility model be overcome existing ultrasonic test equipment can not automatic coating couplant, test specimen can not move automatically, the positioning precision of popping one's head in is low, be difficult to realize the three dimensional stress of flaw detection and the problem of robotization, and a kind of automatic ultrasonic flaw-detecting instrument is provided.

For solving the problems of the technologies described above, the utility model is to adopt following technical scheme to realize: described automatic ultrasonic flaw-detecting instrument comprises probe segment, rail sections and jig part;

Probe segment is arranged on by probe crane wherein on the top end face of slide block of the guide rail in rail sections as bolt is fixedly connected with, in rectangular through holes on cover cap in the guide rail shell of probe segment from rail sections, stretch out, jig part is arranged on the guide rail shell in rail sections, active dop in jig part and driven dop are arranged on the two ends of guide rail shell, in the line of centres place same level of the top end face of the probe in probe segment and initiatively dop and driven dop.

Probe segment described in technical scheme also comprises probe connecting line, probe fixing bracket, probe crane, couplant reserve tank, forcing pipe, pressurized cylinder, a probe protection pillar, No. two probe protection pillars, No. three probe protection pillars, compression helical spring, couplant delivery pipe, a couplant nozzle, No. two couplant nozzles and No. three couplant nozzles.The bottom that compression helical spring is arranged on mobile lifting tables in probe crane is vertically welded to connect, one end of couplant reserve tank is welded to connect with the right side of probe crane, the bottom surface of couplant reserve tank bottom surface and probe crane is coplanar, the short straight section port of the C type pipeline in couplant delivery pipe is connected with the through hole of couplant reserve tank side wall lower ends, the loop part being comprised of couplant delivery pipe is placed on the top of mobile lifting tables in probe crane, the long and straight section port of the C type pipeline in couplant delivery pipe is connected with an interface of the loop part being comprised of couplant delivery pipe, the bottom of probe fixing bracket adopts welding manner to be arranged on the top of mobile lifting tables in probe crane, be within the bottom of probe fixing bracket is arranged on the loop part being comprised of couplant delivery pipe, a probe protection pillar, No. two probe protection pillars and No. three probes protect pillar to be arranged on vertically the top of probe fixing bracket, a couplant nozzle, No. two couplant nozzles and No. three couplant nozzles are arranged on respectively on the interface of the loop part being comprised of couplant delivery pipe, probe is fixedly mounted in probe fixing bracket, probe connecting line one end interface is connected with probe, the probe connecting line other end is connected with data transmission receiving circuit part, top and a couplant nozzle of probe (17), the plane that the top end face of No. two couplant nozzles and No. three couplant nozzles forms is coplanar, and lower than a probe protection pillar, the plane that the top end face of No. two probe protection pillars and No. three probe protection pillars forms, one end interface of forcing pipe adopts flange connection to be connected on the through hole of couplant reserve tank top end face, the other end interface of forcing pipe adopts flange connection to be connected on the gas output end mouth of pressurized cylinder in guide rail shell outside.

Described in technical scheme is that the bottom of probe fixing bracket is placed in the loop part being comprised of couplant delivery pipe and refers to: the bottom of every supporting leg of probe fixing bracket is positioned at the inner side of the middle position of a circular arc pipeline, in the bottom of three supporting legs and probe crane, between the top of mobile lifting tables, adopts Type of Welding to be connected.A described probe protection pillar, the top that No. two probe protection pillars and the protection pillar of popping one's head in for No. three are arranged on probe fixing bracket vertically refers to: on the sleeve in probe fixing bracket, the correspondence position of planar annular high order end supporting leg is installed probe protection pillar No. one, on sleeve in probe fixing bracket, the be separated by position of 120 ° of planar annular and No. one probe protection pillar clockwise direction is installed probe protection pillars No. two, on sleeve in probe fixing bracket, the be separated by position of 120 ° of planar annular and No. two probe protection pillar clockwise direction is installed probe protection pillars No. three, a probe protection pillar, No. two probe protection pillars and No. three probes are protected on the sleeve in pillar and probe fixing bracket and are adopted Type of Welding to be connected between planar annular.A described couplant nozzle, No. two couplant nozzles and No. three couplant nozzles are arranged on respectively on the interface of the loop part being comprised of couplant delivery pipe and refer to: a couplant nozzle, No. two couplant nozzles and No. three couplant nozzles are arranged on respectively second positive tee flange joint, the 3rd positive tee flange joint and the 4th positive tee flange joint be not on the interface of union piece, a couplant nozzle, the axis of rotation of No. two couplant nozzles and No. three couplant nozzles is in vertical position, and respectively with probe fixing bracket in sleeve outer wall tangent, a couplant nozzle, the tangent position of No. two couplant nozzles and No. three couplant nozzles and sleeve adopts welding manner to fix.Described probe is fixedly mounted in probe fixing bracket and refers to: probe placement is in the sleeve of probe fixing bracket, and three hex bolts of radially installing on sleeve are connected with probe close contact.

Probe fixing bracket described in technical scheme is comprised of with three identical supporting legs of structure sleeve.Described sleeve is cylinder-like structure part, the internal diameter of sleeve is greater than probe the widest part diameter, on sidewall, be provided with three radially tapped through holes, a fastening bolt is respectively housed in three round thread through holes, fastening bolt Length Ratio via depth is long, these three axiss of rotation that the tapped through hole of fastening bolt is installed are all positioned at same plane, the angle of the axis of rotation of two adjacent tapped through holes is 120 °, article three, the supporting leg that structure is identical is right cylinder, article three, the top plane of supporting leg is fixedly connected on respectively on the vertical corresponding sleeve bottom surface of each tapped through hole, article three, the axis of rotation of supporting leg is all parallel with the axis of rotation of sleeve.

Probe crane described in technical scheme also comprises fixed muffle, fixed muffle is a bottomless columniform shell structure part, the center of headboard is provided with the central through hole of a circle, the circular diameter of central through hole is identical with the diameter of mobile lifting tables, and the bottom of the sidewall of fixed muffle is provided with equably stud bolt around and connects light through hole.Mobile lifting tables is a right cylinder, in cylindrical sidewall along same diameter symmetry be provided with the limited block of the cuboid of two protrusions, mobile lifting tables is arranged among fixed muffle, in the circular central through hole of the upper end of mobile lifting tables from fixed muffle headboard, stretch out, the length of limited block is the poor of mobile lifting tables external radius and fixed muffle inside radius, and the limited block on mobile lifting tables sidewall and fixed muffle headboard contact.

Couplant reserve tank described in technical scheme is a box typed structure part, in couplant reserve tank, a tank wall is face of cylinder tank wall, the radius of face of cylinder tank wall is identical with fixed muffle external diameter in probe crane, on couplant reserve tank top end face, be provided with openable cover plate, couplant reserve tank top end face is provided with a through hole, clear size of opening and forcing pipe measure-alike, couplant reserve tank side wall lower ends is provided with a through hole, and clear size of opening is identical with the couplant reserve tank end of couplant delivery pipe.

Couplant delivery pipe described in technical scheme also comprises the 120 ° of circular arc pipelines and four positive tee flange joints that structure is identical that three root architectures are identical.Described C type pipeline long and straight section port connect first positive tee flange joint with all interfaces of angle in 90 ° of another two interfaces, connect successively in a clockwise direction the more left interface of first positive tee flange joint and the right interface of second positive tee flange joint, the left interface of second positive tee flange joint and the right output port of first circular arc pipeline, the right interface of the left port of first circular arc pipeline and the 3rd positive tee flange joint, the left interface of the 3rd positive tee flange joint and the right output port of second circular arc pipeline, the right interface of the left port of second circular arc pipeline and the 4th positive tee flange joint, the right output port of the left interface of the 4th positive tee flange joint and the 3rd circular arc pipeline, the left port of the 3rd circular arc pipeline and the right interface of first positive tee flange joint are connected, the positive tee flange joint that the identical 120 ° of circular arc pipelines of three root architectures are identical with four structures is combined into a circular loop, its diameter is greater than the sleeve diameter in probe fixing bracket and is less than the diameter of the mobile lifting tables in probe crane, and make second positive tee flange joint, the 3rd positive tee flange joint and the 4th interface that positive tee flange joint is not connected are vertically upward.

Rail sections described in technical scheme also includes guide rail, guide rail lower margin, guide rail motor, guide rail connecting plate for electric motor and guide rail and guide rail motor shaft joint.Described guide rail is arranged on bolt on the bottom panel in guide rail shell by 4 identical guide rail lower margins of structure and connects, rectangular through holes on cover cap in guide rail and guide rail shell aligns, the left end bolt that guide rail motor is arranged on the bottom panel in guide rail shell by guide rail connecting plate for electric motor connects, the axis of rotation of guide rail motor is vertical with longitudinal plane of symmetry of guide rail, the output terminal of guide rail motor is connected with the input shaft of guide rail motor shaft joint (6) and guide rail (2) by guide rail, and the rectangular through holes on the cover cap in the slide block in guide rail and guide rail shell aligns.

Guide rail shell described in technical scheme is the Shell-Class structural member of a cuboid, comprise bottom panel and cover cap, cover cap is by left support wall, right support wall, front support longwell, rear support longwell and top cover welding or casting form, on bottom panel, be provided with threaded connection hole, be separately positioned on guide rail lower margin, the installation site of guide rail connecting plate for electric motor and the periphery of bottom panel, on cover cap, a side is longitudinally provided with a rectangular through holes, the length of rectangular through holes equals the left and right range of guide rail, rectangular through holes width is greater than the diameter of the crane of popping one's head in, on the cover cap in the outside on two slotted hole limits of rectangular through holes, be provided with equally distributed be used for that driven dop frame is installed before the threaded connection hole of slide rail and driven dop frame aft ramp, on the top cover on Duan Kongbian right side, rectangular through holes right side, be provided with for initiatively dop frame is installed, the bolt light through hole of dop motor base and dop motor housing, cover cap right support wall and front support longwell connecting place arrange a rectangular through holes, the junction of cover cap left support wall and front support longwell arranges a square through-hole, the bottom of cover cap is provided with the bolt light through hole mutual corresponding with bottom panel surrounding threaded connection hole, cover cap and bottom panel are with bolts.

Jig part described in technical scheme also comprises initiatively dop frame, driven dop frame, the front slide rail of driven dop frame, driven dop frame aft ramp, dop motor, dop and dop motor coupler, dop motor base and dop motor housing, and wherein before driven dop frame, slide rail is identical with driven dop frame aft ramp structure.Before driven dop frame, slide rail and driven dop frame aft ramp are arranged on the guide rail shell in rail sections, before driven dop frame, slide rail is positioned at the front side of the rectangular through holes on guide rail shell, driven dop frame aft ramp is positioned at the rear side of the rectangular through holes on guide rail shell, before driven dop frame, slide rail and driven dop frame aft ramp symmetrical parallel are placed, driven dop is arranged on slide rail and driven dop frame aft ramp left end before driven dop frame by driven dop frame, initiatively dop is arranged on by active dop frame on the guide rail shell of slide rail and driven dop frame aft ramp right side before driven dop frame, dop motor is connected with the transmission shaft of active dop with dop motor coupler by dop, dop motor is arranged on by dop motor base on the guide rail shell on active dop frame right side, driven dop, the initiatively axis of rotation conllinear of dop and dop motor, dop motor housing spiral-lock is connected with bolt on guide rail shell around dop motor coupler and dop motor at dop.

Driven dop described in technical scheme, with initiatively dop structure is identical, is all the three-jaw centering chuck of being furnished with transmission shaft, and can choose model is the three-jaw centering chuck of K11-80, and clamped range of size is 2～22mm.The front slide rail of driven dop frame that 2 described root architectures are identical is the straight-bar class formation part of the iso-cross-section that 2 root architectures are identical with driven dop frame aft ramp, its length is greater than the longitudinal size of the rectangular through holes on guide rail shell, the front slide rail of driven dop frame that 2 root architectures are identical and the iso-cross-section of driven dop frame aft ramp are convex shape, the rectangular parallelepiped part that before driven dop frame, the first half of slide rail and driven dop frame aft ramp is square cross section, the square indentations consistent size of the size of square cross section and driven dop frame bottom.Prolate side's body that before driven dop frame, the latter half of slide rail and driven dop frame aft ramp is rectangular cross section divides, and the dual-side of flat rectangular parallelepiped is longitudinally evenly arranged the screw connecting through hole of mounting screw.

Compared with prior art the beneficial effects of the utility model are:

1. automatic ultrasonic flaw-detecting instrument described in the utility model is meeting under the prerequisite of the mechanics requirements such as intensity, and it is convenient that compact conformation, assembly are easy to dismounting repairing, conveniently moving, test specimen is changed, and improved work efficiency.

2. automatic ultrasonic flaw-detecting instrument described in the utility model is meeting under the prerequisite of load-carrying and sweep velocity, the linear module of Timing Belt that employing is driven by stepper motor is realized the linear reciprocal movement of probe, maximum sweep rate can reach 3m/min, and scanning accuracy can reach 0.05mm; The scroll chuck that employing is driven by stepper motor is realized rotatablely moving of minor diameter metallic rotary body test specimen, and the range of speeds is large, and maximal rate can reach 5000r/min, and step angle is less, is 1.8 °, reaches 3-D scanning object, and registration is convenient, improves detection efficiency.

3. automatic ultrasonic flaw-detecting instrument described in the utility model can move by adopting compression helical spring to realize probe profiling in testing process, by being arranged on the couplant spraying equipment automatic coating couplant on probe crane, save time, increase work efficiency.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the axonometric projection graph of automatic ultrasonic flaw-detecting instrument structure composition described in the utility model;

Fig. 2 is the vertical view of automatic ultrasonic flaw-detecting instrument structure composition described in the utility model;

Fig. 3 is the cut-open view at A-A place in Fig. 2;

Fig. 4 is the cut-open view at B-B place in Fig. 3;

The axonometric projection graph that Fig. 5 forms for the guide rail connecting plate for electric motor structure adopting in automatic ultrasonic flaw-detecting instrument described in the utility model;

The axonometric projection graph that Fig. 6 forms for the dop motor base structure adopting in automatic ultrasonic flaw-detecting instrument described in the utility model;

The front view that Fig. 7 forms for the probe segment structure adopting in automatic ultrasonic flaw-detecting instrument described in the utility model;

The vertical view that Fig. 8 forms for the probe segment structure adopting in automatic ultrasonic flaw-detecting instrument described in the utility model.

In figure: 1. guide rail shell, 2. guide rail, 3. guide rail lower margin, 4. guide rail motor, 5. guide rail connecting plate for electric motor, 6. guide rail and guide rail motor shaft joint, 7. active dop, 8. active dop frame, 9. driven dop, 10. driven dop frame, slide rail before 11. driven dop framves, 12. driven dop frame aft ramps, 13. dop motors, 14. dop motor couplers, 15. dop motor bases, 16. dop motor housings, 17. probes, 18. probe connecting lines, 19. probe fixing brackets, 20. probe cranes, 21. couplant reserve tanks, 22. forcing pipes, 23. pressurized cylinder, 24. drag chains, No. 25. probe protection pillars, 26. No. two probe protection pillars, 27. No. three probe protection pillars, 28. compression helical springs, 29. couplant delivery pipes, No. 30. couplant nozzles, 31. No. two couplant nozzles, 32. No. three couplant nozzles.

Embodiment

Below in conjunction with accompanying drawing, the utility model is explained in detail:

Consult Fig. 1, automatic ultrasonic flaw-detecting instrument described in the utility model includes rail sections, jig part, probe segment, data transmission receiving circuit part and data processing section.

Probe segment is arranged on by probe crane 20 wherein on the top end face of slide block of the guide rail 2 in rail sections as bolt is fixedly connected with, in rectangular through holes on cover cap in the guide rail shell 1 of probe segment from rail sections, stretch out, jig part is arranged on the guide rail shell 1 in rail sections, active dop 7 in jig part and driven dop 9 are arranged on the right left two ends of guide rail shell 1, initiatively dop 7 and driven dop 9 axis of rotation conllinear, the line of centres of the top end face of the probe 17 in probe segment and initiatively dop 7 and driven dop 9 is crossing and locate in same level.

Consult Fig. 2 to Fig. 4, the rail sections of automatic ultrasonic flaw-detecting instrument described in the utility model includes guide rail shell 1, guide rail 2, guide rail lower margin 3, guide rail motor 4, guide rail connecting plate for electric motor 5 and guide rail motor shaft joint 6.

Described guide rail shell 1 is the passive Shell-Class structural member of a cuboid, comprise bottom panel, left support wall, right support wall, front support longwell, rear support longwell and top cover, can be by iron casting moulding, or adopt the Plate Welding moulding with some strength and supporting capacity, when adopting casting, left support wall, right support wall, front support longwell, rear support longwell and top cover are made of one, and are called cover cap, cover cap and bottom panel with bolts become guide rail shell 1; When adopting welding fabrication, left support wall, right support wall, front support longwell, rear support longwell and top cover are integrally welded, are cover cap.On bottom panel, be evenly provided with the through hole that is threaded of mounting stud, be separately positioned on the edge of correspondence position and the bottom panel of guide rail lower margin 3.In cover cover upper planar surface, along the side to the rear of left and right directions (longitudinal), be provided with a rectangular through holes, the length of rectangular through holes equals the left and right range of guide rail 2, rectangular through holes width is slightly larger than probe crane 20 diameters, on the cover cap in the outside on two slotted hole limits of rectangular through holes, be provided with the threaded connection hole of the equally distributed mounting screw of two row, be used for installing slide rail 11 and driven dop frame aft ramp 12 before the driven dop frame that 2 root architectures are identical; On the cover cap on Duan Kongbian right side, rectangular through holes right side, be provided with stud bolt thread connecting through hole, be used for installing initiatively dop frame 8, dop motor base 15 and dop motor housing 16.On the bottom face of cover cap, be provided with equally distributed stud bolt with mutual corresponding position, bottom panel edge and be connected light through hole.The cover cap right support wall reserved rectangular through holes along place that is connected with front support longwell under lateral deviation, is of a size of 4cm × 2cm, as the circuit through hole of probe connecting line 18 and forcing pipe 22.Under the lateral deviation that is connected with front support longwell of cover cap left support wall, along place, reserve a square through-hole, be of a size of 2cm × 2cm, as the circuit through hole of guide rail motor 4.The concrete size of guide rail shell 1 determines according to selected guide rail 2 and guide rail motor 4 size requisite space sizes.If demand, can be applicable to position at guide rail shell 1 and add the aids such as level meter.

Described guide rail 2 is the linear module of a Timing Belt, can choose according to actual needs the linear module of different model.With reference to movement velocity scope 0～3 meter per second, repetitive positioning accuracy 0.05mm, 10～20 kilograms of bearing capacity scopes, type of drive is that stepper motor drives.Guide rail 2 can be selected the linear module of Timing Belt of the models such as the serial MTB042 of the LAT of PBC Linear company or MTB055, and guide rail 2 length can be selected according to actual needs.

Guide rail 2 includes the assemblies such as shell, travelling carriage, belt, belt pulley (drive pulley, driven pulley), slide block.Shell is cuboid housing, and top end face centre longitudinally has a rectangle groove, and groove length is less than shell longitudinal length.Travelling carriage is two slide rails that xsect is rectangle, and length equals shell top end face groove length.Belt is reinforced synchronous cog belt, and two ends link closed, have toothed portion inwardly, include reinforcing bar, guarantees high-speed, high acceleration, high thrust.Guide rail 2 is equipped with two belt pulleys equipped with synchronous cog belt, is respectively drive pulley and driven pulley.Slide block is motion assembly in guide rail 2.The xsect of slide block is approximate T-shaped, comprises horizontal component and vertical component.Wherein horizontal component is that xsect is the rectangular parallelepiped of rectangle, and the top end face of horizontal component is rectangle, is provided with positioning threads through hole on top end face; Vertical component is a rectangular parallelepiped, horizontal component and vertical component are connected, longitudinal plane of symmetry of horizontal component and vertical component is coplanar, and the width of vertical component is less than the width of the rectangle groove on shell top end face, and the height of vertical component is slightly less than the height of shell.

Upper surface of outer cover is each one slide rail of installing in groove both sides longitudinally, and two one slide rails keep being parallel to each other, and jointly form a secondary travelling carriage.Vertical component in slide block inserts in the groove of upper surface of outer cover, and the lower plane of the horizontal component of vertical component both sides in slide block is contacted with travelling carriage upper surface, contacts with two slide rail upper surfaces.Drive pulley and driven pulley are arranged on the two ends of enclosure, and belt sleeve is loaded on drive pulley and driven pulley as being connected with a joggle.Belt contacts and is fixedly connected with slide block vertical component bottom surface, and slide block drives to-and-fro movement by belt, and is supported and kept rectilinear motion by travelling carriage.

Guide rail 2 left side is longitudinally provided with the input shaft that drive pulley is installed, and input shaft is longitudinal vertical with guide rail 2, diameter of axle 12mm.The two ends of the longitudinal forward and backward side wall surface of guide rail 2 are provided with the stud bolt thread connecting hole that can be used for fixedly mounting guide rail lower margin 3.If demand, flexible organ type protective cover can be set on guide rail 2, for guide rail 2 provides practicality protection.

Described xsect is that the guide rail lower margin 3 of square is the special outer rail foot rest of the linear module of Timing Belt, by aluminium alloy compression casting moulding.On the horizonal base plate of guide rail lower margin 3, there are two stud bolts to connect light through hole, on the vertical fixed head of guide rail lower margin 3, are also provided with two stud bolts and connect light through hole.

Consult Fig. 5, guide rail motor 4 can be selected 57 stepper motors, output diameter of axle 8mm.Guide rail connecting plate for electric motor 5 is a L-type connecting plate for electric motor, by aluminium alloy compression casting moulding, by two orthogonal base plates and back up pad, formed, wherein the center of the back up pad of vertical direction is provided with manhole, the output shaft of guide rail motor 5 can stretch out from this manhole, the Si Jiaochu of back up pad is respectively arranged with a stud bolt thread connecting through hole, corresponding with four connecting holes on guide rail motor 5; On the base plate of horizontal direction, four jiaos respectively have a stud bolt to connect light through hole.Guide rail and guide rail motor shaft joint 6 can be chosen plum coupling, and specification is: 8-12, and the output shaft of guide rail motor 5 is 8mm, the input shaft of guide rail 2 is 12mm.

Consult Fig. 3, the shell ends of guide rail motor 4 output shaft ends is connected on outer (front) side of vertical back up pad in guide rail connecting plate for electric motor 5 by stud bolt, packing ring and hexagonal nut, guide rail motor 4 output shafts are stretched out in the central through hole in vertical back up pad from guide rail connecting plate for electric motor 5.Guide rail motor 4 is connected on the input shaft of the longitudinal left end of guide rail 2 by guide rail and guide rail motor shaft joint 6, guide rail motor 4, guide rail and guide rail motor shaft joint 6 and input shaft axis of rotation conllinear, adopt stud bolt, packing ring and hexagonal nut to be fixedly mounted on the bottom panel in the guide rail shell 1 of the longitudinal left end of guide rail 2 the guide rail connecting plate for electric motor 5 that guide rail motor 4 is installed.Guide rail 2 correspondence positions at bottom panel are placed two pairs of guide rail lower margins 3 that structure is identical, the guide rail lower margin 3 that the two pairs of structures are identical is separated by a distance, this distance is slightly less than the length of stroke of guide rail 2, adopt again stud bolt, packing ring and hexagonal nut that guide rail lower margin 3 is fixedly connected with bottom panel in guide rail shell 1, adopt stud bolt, packing ring with hexagonal nut, guide rail lower margin 3 to be fixedly connected with the forward and backward side wall surface of guide rail 2, guide rail 2 is fixed on the bottom panel assigned address of guide rail shell 1.The circuit of guide rail motor 4 is stretched out by the through hole of guide rail shell 1 left support wall.

Consult Fig. 2, the jig part of automatic ultrasonic flaw-detecting instrument described in the utility model comprises initiatively dop 7, active dop frame 8, driven dop 9, driven dop frame 10, the front slide rail 11 of driven dop frame, driven dop frame rear rail 12, dop motor 13, dop motor coupler 14, dop motor base 15 and dop motor housing 16.

Described active dop 7 and driven dop 9 are all the three-jaw centering chuck of being furnished with transmission shaft, and can choose model is the three-jaw centering chuck of K11-80, and clamped range of size is 2～22mm.

Described active dop frame 8 is a ball-bearing housing, and its upper end is provided with ball bearing, and the specification of ball bearing is determined by the diameter dimension of active dop 7 transmission shafts.Ball-bearing housing can, by material castings such as cast irons, respectively be provided with two stud bolts on the symmetria bilateralis ground of ball-bearing housing mounting base and connect light through hole.

Described driven dop frame 10 is a ball-bearing housing, can be by material castings such as cast irons, and its upper end is provided with ball bearing, and ball bearing size is determined by the diameter dimension of 9 transmission shafts of driven card.Slide rail 11, the equipped groove of driven dop frame rear rail 12 before the both sides of the bottom surface of ball-bearing housing mounting base are respectively provided with an xsect to be foursquare and driven dop frame.

Before described driven dop frame, slide rail 11 is the straight-bar class formation part of the iso-cross-section that 2 root architectures are identical with driven dop frame rear rail 12, slide rail 11 and driven dop frame rear rail 12 are arranged in guide rail shell 1 on top cover in parallel to each other before driven dop frame, before driven dop frame, slide rail 11 and driven dop frame rear rail 12 can be by material forging moldings such as bearing steels, its length is slightly longer than the longitudinal size of the rectangular through holes on top cover in guide rail shell 1, and before driven dop frame, the iso-cross-section of slide rail 11 and driven dop frame rear rail 12 is convex shape.The first half of convex shape is square part, the square indentations consistent size of its physical dimension and driven dop frame 11 bottoms; The latter half of convex shape is that prolate side's body of rectangular cross section divides, and the dual-side of the latter half of rectangular cross section is longitudinally evenly arranged the screw connecting through hole of mounting screw.

What described dop motor 13 was selected is stepper motor, has selected the stepper motor that model is 57 in embodiment, and output shaft diameter is 8mm, 1.8 ° of step angles.

Described dop motor coupler 14 can be chosen plum coupling, has selected the plum coupling that model is 8-12 in embodiment, and motor output shaft diameter is 8mm, and the diameter of three-jaw centering chuck transmission shaft is 12mm.

Consult Fig. 6, described dop motor base 15 is L-type electric machine support, by aluminium alloy compression casting moulding.Place, four jiaos of bottom surfaces in the mounting seat of L-type electric machine support respectively arranges a supporting leg, each supporting leg bottom is with tabular lower margin, on each lower margin, reserved two stud bolts connect light through hole, and it is corresponding with the stud bolt thread connecting through hole that the rectangular through holes right side on guide rail shell 1 top cover arranges that stud bolt connects the position of light through hole.The size of the at right angle setting plate in L-type electric machine support and dop motor 13 xsects measure-alike, the center of at right angle setting plate is provided with manhole, in the manhole of the output shaft of dop motor 13 from right angle setting plate, stretches out; Four jiaos of places of at right angle setting plate are respectively provided with the through hole that is threaded of a mounting stud, corresponding with four connection light through holes on dop motor 13.

Described dop motor housing 16 is a not cover cap for the rectangle Shell-Class with base plate, can be by aluminium alloy casting.On the left side of dop motor housing 16, there is semi-circular hollow out, shape is identical with the profile of driven dop frame 10, on the right side of dop motor housing 16, lower middle is provided with a square through-hole along position, is of a size of 2cm*2cm, as the circuit through hole of dop motor 13.Four side bottom edge of dop motor housing 16 are respectively provided with two stud bolts and connect light through hole, and it is corresponding with the stud bolt thread connecting through hole that the rectangular through holes right side on top cover in guide rail shell 1 arranges that stud bolt connects the position of light through hole.Dop motor housing 16 physical dimensions are according to dop motor 13, dop motor coupler 14 and dop motor base 15 decision that takes up space.

Consult Fig. 2, the housing of dop motor 13 output shaft ends is fixedly connected on by stud bolt, packing ring and hexagonal nut on the at right angle setting plate on the dop motor base 15 of L-type.Dop motor base 15 is arranged on the top cover on the longitudinal right side of cover cap in guide rail shell 1 by stud bolt, packing ring and hexagonal nut.The transmission shaft of active dop 7 is inserted in the ball bearing of active dop frame 8, and be connected with the output shaft of dop motor 13 by dop motor coupler 14.Active dop frame 8 is connected on the stud bolt thread connecting hole on the guide rail shell 1 longitudinal right side of cover cap by stud bolt, packing ring and hexagonal nut.Dop motor housing 16 is arranged on the cover cap of guide rail shell 1, the hollow out edge of dop motor housing 16 left sides joins with active dop frame 8 right hand edges, dop motor 13, dop motor coupler 14, dop motor base 15 and part active dop 7 transmission shafts are included in dop motor housing 16, and by stud bolt, packing ring and hexagonal nut, dop motor housing 16 are fixedly connected on the stud bolt thread connecting hole on the guide rail shell 1 longitudinal right side of cover cap.The circuit of dop motor 13 is passed by the through hole of dop motor housing 16 right sides.Adopt stainless steel flat recess fillister head screw and packing ring to be fixed on the corresponding stud bolt thread connecting hole that guide rail shell 1 covers cover upper planar surface rectangular through holes front side slide rail 11 before driven dop frame.Adopt stainless steel flat recess fillister head screw and packing ring to be fixed on the corresponding stud bolt thread connecting hole of guide rail shell 1 cover cap rectangular through holes rear side driven dop frame aft ramp 12.Keep driven dop frame fromer rail 11 and driven dop frame rear rail 12 with respect to cover cover upper planar surface rectangular through holes position symmetry.By slide rail 11 and driven dop frame rear rail 12 before corresponding the groove of driven dop frame 10 driven dop frame, from guide rail shell 1, cover cover upper planar surface left side and be installed to driven dop frame on slide rail 11 and driven dop frame rear rail 12.The transmission shaft of driven dop 9 is inserted in the ball bearing of driven dop frame 10, be rotatably connected on driven dop frame 10.

Consult shown in Fig. 7 and Fig. 8, the probe segment of automatic ultrasonic flaw-detecting instrument described in the utility model comprises probe 17, probe connecting line 18, probe fixing bracket 19, probe crane 20, couplant reserve tank 21, forcing pipe 22, pressurized cylinder 23, drag chain 24, probe protection pillar 25, No. two probe protection pillars 26, No. three probe protection pillars 27, compression helical spring 28, couplant delivery pipe 29, couplant nozzle 30, No. two couplant nozzles 31 and No. three couplant nozzles 32.

Described probe 17 is standard component, can specifically select straight probe of single crystal or double-crystal normal probe according to test specimen size.Can may exist flaw size to select frequency probe according to test specimen, flaw size be less, and required frequency is higher.In embodiment, select 5P6 type normal probe, frequency 5MHz, piezoelectric is lead zirconate-titanate ceramic, wafer diameter 6mm.Probe connecting line 18 be and probe 17 supporting data lines, and connecting line 18 two ends of popping one's head in are provided with and pop one's head in 17 and port corresponding to defect-detecting equipment.Probe connecting line 18 length are at least guide rail 2 effective travel length and add 40 centimetres.

Described probe fixing bracket 19 is comprised of sleeve and supporting leg two parts, can be directly by aluminium alloy casting.Wherein, sleeve is cylinder-like structure part, internal diameter is slightly larger than probe the widest part diameter, on sidewall, be provided with three radially circular tapped through holes, a fastening bolt is respectively housed in three round thread through holes, fastening bolt Length Ratio via depth is bigger, and these three axiss of rotation that the tapped through hole of fastening bolt is installed are all positioned at the same plane vertical with sleeve axis of rotation, and the angle of the axis of rotation of two adjacent tapped through holes is 120 °.Supporting leg has three, is cylindric, and the top plane of three supporting legs is fixedly connected on respectively on the sleeve bottom surface that each tapped through hole is vertical corresponding, and the axis of rotation of three supporting legs is all parallel with the axis of rotation of sleeve.

Described probe crane 20 is comprised of fixed muffle and mobile lifting tables two parts, can be by aluminium alloy casting.Fixed muffle is a bottomless columniform housing, and the center of headboard is provided with a manhole, and the diameter of manhole is identical with the diameter of mobile lifting tables, and the surrounding of the bottom of the sidewall of fixed muffle is provided with equably stud bolt and connects light through hole.Mobile lifting tables is a right cylinder, in cylindrical sidewall along same diameter symmetry be provided with the limited block of the cuboid of two protrusions, length is the poor of mobile lifting tables external radius and fixed muffle inside radius, in order to control mobile lifting tables rising extreme position, mobile lifting tables packs among fixed muffle, stretch out from the manhole of fixed muffle headboard center the upper end of mobile lifting tables, and the limited block on mobile lifting tables (right cylinder) sidewall and the inboard of fixed muffle headboard contact.

Described couplant reserve tank 21 is the casing of an approximate cuboid, and in couplant reserve tank 21, left side tank wall is the face of cylinder, and face of cylinder radius is identical with probe crane 20 fixed muffle part right cylinder external radiuss, can be by aluminium alloy casting.Couplant reserve tank 21 be one for storing the casing of couplant.On couplant reserve tank 21 top end faces, be provided with openable cover plate, convenient benefit increases couplant, keeps sealing while closing.Couplant reserve tank 21 top end faces are provided with a through hole, and clear size of opening and forcing pipe 22 are measure-alike.The right side wall end on the lower side of couplant reserve tank 21 is provided with a through hole, and the couplant reserve tank end of clear size of opening and couplant delivery pipe 29 is measure-alike.Forcing pipe 22 is rubber hose, at least many 40 centimetres of Length Ratio guide rail 2 effective travel length.Pressurized cylinder 23, for the seamless steel cylinder of gases at high pressure is housed, is equipped with decompressor.Pressurized cylinder 23 can be selected small-sized gas cylinder, selects 2L seamless steel cylinder in embodiment.Gas in pressurized cylinder 23 can select nitrogen, carbon dioxide etc. not with couplant generation chemical reaction and gas free from environmental pollution.

Described drag chain 24 is served as reasons and is strengthened the plastics drag chain that nylon is made, and model is TP15.20, and xsect is rectangle, inner chamber height 15mm, and inner chamber width 20mm, exocoel height 23mm, exocoel width 31mm, bending radius 28mm, upper cover can be opened.Drag chain 24 Length Ratio guide rail 2 effective travel length are grown to few 30 centimetres.

A described probe protection pillar 25, No. two probe protection pillars 26 are the cylindrical rod of the minor diameter that three root architectures are identical with No. three probe protection pillars 27; can be by material forging moldings such as bearing steels, its length is slightly longer than the top plane of the fixed muffle from probe crane 20 to the distance of probe tip face.

Described compression helical spring 28 is the cylindrical compression volute spring that a two ends process polishes processing, can be made by materials such as carbon spring steel wires or endurance alloy spring wires.The pipeline of being made by pvc pipe that couplant delivery pipe 29 is a series of conveying couplants forms, and comprises a C type pipeline, 120 ° of circular arc pipelines that three root architectures are identical, four positive tee flange joints that structure is identical.C type pipeline long and straight section port connect first positive tee flange joint with all (centre) interfaces of angle in 90 ° of another two interfaces.Connect successively in a clockwise direction the more left interface of first positive tee flange joint and the right interface of second positive tee flange joint, the left interface of second positive tee flange joint and first circular arc pipeline right output port, the right interface of the left port of first circular arc pipeline and the 3rd positive tee flange joint, the left interface of the 3rd positive tee flange joint and the right output port of second circular arc pipeline, the right interface of the left port of second circular arc pipeline and the 4th positive tee flange joint, the right output port of the left interface of the 4th positive tee flange joint and the 3rd circular arc pipeline, the left port of the 3rd circular arc pipeline and the right interface of first positive tee flange joint, make these component combinations become a sub-circular loop, the sleeve diameter of its slightly larger in diameter in probe fixing bracket 18 is also less than the mobile lifting tables diameter in probe crane 20, and guarantee second, the 3rd with the 4th interface that bump joint is not connected vertically upward.Couplant nozzle 30, No. two 31, No. three couplant nozzles of couplant nozzle 32 are the hollow, cylindrical tube that three root architectures are identical, can be by aluminium alloy castings, and its length is consistent to the distance of probe 17 top end faces with the bottom of probe fixing bracket 19.

Consult Fig. 7 and Fig. 8, compression helical spring 28 is arranged in probe crane 20 below mobile lifting tables, the top end face of compression helical spring 28 contacts with mobile lifting tables bottom face, and adopt welding manner that both are fixedly connected with, the vertical axis of rotation line conllinear of the axis of rotation of compression helical spring 28 and mobile lifting tables.The mobile lifting tables that is connected with compression helical spring 28 is arranged among fixed muffle, and stretches out in the center pit of the upper end that makes mobile lifting tables from fixed muffle headboard.The face of cylinder left side wall of couplant reserve tank 21 is contacted and adopts welding manner that both are fixedly connected with the right circles cylinder of probe crane 20, and couplant reserve tank 21 bottom surfaces and probe crane 20 bottom surfaces are coplanar.Adopt flange connection to be connected with the through hole on couplant reserve tank 21 sidewalls the short straight section port of the C type pipeline in couplant delivery pipe 29; The loop part being comprised of couplant delivery pipe 29 is placed on the top end face of mobile lifting tables in probe crane 20.Probe fixing bracket 19 is arranged on to the center of the top end face of mobile lifting tables in probe crane 20 by three supporting legs, be placed in the loop part being formed by couplant delivery pipe 29, the bottom of every supporting leg is positioned at the inner side of the middle position of a circular arc pipeline, and in the bottom of three supporting legs and probe crane 20, between the top end face of mobile lifting tables, available Type of Welding is connected.Position corresponding to planar annular high order end supporting leg on sleeve in probe fixing bracket 19, installs probe protection pillar 25 No. one; On sleeve in probe fixing bracket 19, planar annular and the probe protection pillar 25 clockwise direction position corresponding to right rear end supporting leg of 120 ° that be separated by, installing No. two probes and protecting pillar 26; On sleeve in probe fixing bracket 19, planar annular and No. two probe protection pillar 26 clockwise direction position corresponding to right front ends supporting leg of 120 ° that be separated by, installing No. three probes and protecting pillar 27.On the sleeve of probe protection pillar 25, No. two probe protection pillars 26 and No. three probe protection pillars 27 and probe fixing bracket 19, between planar annular, can adopt Type of Welding to be connected.By an identical three root architectures couplant nozzle 30, No. two couplant nozzles 31 and No. three couplant nozzles 32 are arranged on respectively second positive tee flange joint, the 3rd positive tee flange joint and the 4th positive tee flange joint be not on the interface of union piece (free time), keep No. one couplant nozzle 30, the axis of rotation of No. two couplant nozzles 31 and No. three couplant nozzles 32 is in vertical position, and tangent with the sleeve outer wall of probe fixing bracket 19 respectively, by a couplant nozzle 30, the tangent position of No. two couplant nozzles 31 and No. three couplant nozzles 32 and sleeve adopts welding manner to fix.Probe 17 is put into sleeve from probe fixing bracket 19 sleeve upper ends; three hex bolts of radially installing on regulating sleeve are fixedly clamped probe 17; keep probe 17 top end face and couplant nozzle 30, No. two couplant nozzles 31 coplanar with the top end face of No. three couplant nozzles 32, and lower than probe protection pillar 25, No. two probe protection pillars 26 and No. three probes, protect the top end face of pillars 27.

Consult Fig. 1, mounted probe segment is fixedly connected with hexagonal nut by the fixed muffle lower end of its probe crane 20 stud bolt thread connecting hole employing stud bolt, the packing ring corresponding with plane on slide block in guide rail 2.On the slide block of the baseplane of compression helical spring 28 and guide rail 2, plane contact is connected.To pop one's head in connecting line 18 and forcing pipe 22 inserts in drag chain 24, and probe connecting line 18 and forcing pipe 22 all leave applicable length in external part and the insertion end of drag chain 24.Drag chain 24 stiff ends are arranged on to the right front angle of the bottom panel of guide rail shell 1, the reserved circuit through hole of the corresponding cover cap right side wall in position, drag chain 24 mobile terminals are arranged on to the central authorities of the frontal plane of the slide block of guide rail 2, make drag chain on the bottom panel of guide rail shell 1, form an approximate C type curved shape, bending radius is at least 28mm.The port that probe connecting line 18 is stretched out from drag chain 24 mobile terminals is arranged on by the lower end of probe fixing bracket 19 connectivity port of probe 17 correspondences, and the port that probe connecting line 18 is stretched out from drag chain 24 stiff ends is connected to the data transmission receiving circuit part in guide rail shell 1 outside.The interface that forcing pipe 22 is stretched out from drag chain 24 mobile terminals adopts flange connection to be connected to the through hole of couplant reserve tank 21 top end faces, and the interface that forcing pipe 22 is stretched out from drag chain 24 stiff ends adopts flange connection to be connected to the gas output end mouth of pressurized cylinder 23 in guide rail shell 1 outside.The bolt hole of the cover cap bottom of guide rail shell 1 is alignd with each stud bolt thread connecting hole on bottom panel, adopt stud bolt, packing ring with hexagonal nut, both to be connected, make to stretch out in the rectangular through holes on the top cover of probe segment from the cover cap of guide rail shell 1, compression helical spring 28 decrements hour make to pop one's head in 17 top end face with initiatively dop 7 and driven dop 9 lines of centres are coplanar.

The principle of work of automatic ultrasonic flaw-detecting instrument:

Consult Fig. 1, guide rail 2, under guide rail motor 4 drives, is realized slide block left and right to-and-fro movement in surface level of guide rail 2, thereby has been realized the left and right to-and-fro movement of probe segment in surface level.In probe segment motion process, collaborative probe connecting line 18 and the forcing pipe 22 being placed in drag chain 24 of drag chain 24 together moves with probe segment.Probe segment during to left movement, shortens near drag chain 24 straight line portioies of drag chain 24 mobile terminals, near the straight line portion of the drag chain 24 of drag chain 24 stiff ends, increases, and sweep shape invariance also transmits left.When probe segment moves right, near drag chain 24 straight line portioies of drag chain 24 mobile terminals, increase, the straight line portion of the drag chain 24 of close drag chain 24 stiff ends shortens, and sweep shape invariance also transmits to the right.Test specimen two ends are separately fixed on active dop 7 and driven dop 9, and probe 17 is realized forming movement by compression helical spring 28 in compression or the elongation of test specimen bottom surface.Pop one's head in 17 motion processes; because probe protection pillar 25, No. two probe protection pillars 26 and No. three probe protection pillars 27 are in the vertical direction higher than the height of probe 17; so the plane that the top end face of three probe protection pillars forms contacts with test specimen bottom surface; thereby keep test specimen and probe 17 top end faces to have fixing distance, prevent test specimen damage probe 17.Probe 17 is realized the exchange of electric signal via probe connecting line 18 and ultrasonic test equipment.Initiatively dop 7 rotates under the driving of dop motor 13, realizes the line rotation of test specimen around active dop 7 and driven dop 9, and the driven rotation of driven dop 9, keeps test piece balance.By opening pressurized cylinder 23, via forcing pipe 22, from couplant reserve tank 21 upper ends, the couplant couplant reserve tank 21 is applied to constant pressure downwards, make couplant by couplant delivery pipe 29, be transported to a couplant nozzle 30 of three diverse locations, No. two couplant nozzles 31 and No. three couplant nozzles 32, in probe 17 and test specimen motion process, in probe 17 working direction, realize automatic coating couplant in advance.Flaw detection different specification size metallic rotary body test specimen time, regulate driven dop 9 to make its pine card and along slide rail 11 before driven dop frame and moving dop frame sliding track 12 to moving a segment distance with active dop 7 reverse directions, regulate initiatively dop 7 to make its pine card, unload test specimen, to the above step of other test specimen reverse operatings.Slide rail 11 and driven dop frame aft ramp 12 proper amount of machine oil of can annotating is before use lubricated before driven dop frame.By active dop 7 each angle of rotation, probe 17 obtains one group of oscillogram in one, the cross section measurement of angle of test specimen, the oscillogram of all angles in a cross section and angular relationship is formed to a two-dimensional ultrasonic result of detection of this xsect by data transmission and receiving circuit part input computer for analysis.By unit distance of the every movement of slide block of guide rail 2, carry out again above wheel measuring and obtain two-dimensional ultrasonic result of detection, every group of two-dimensional ultrasonic result of detection and its correspondence position relation are obtained to the three-dimensional ultrasonic result of detection of whole test specimen by the computer synthesis analysis of data processing section, thereby the inherent vice of test specimen is obtained to the understanding of a three-dimensional.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all in spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (11)

1. an automatic ultrasonic flaw-detecting instrument, comprises rail sections and jig part, it is characterized in that, described automatic ultrasonic flaw-detecting instrument also comprises probe segment;

Probe segment is arranged on by probe crane (20) wherein on the top end face of slide block of the guide rail (2) in rail sections as bolt is fixedly connected with, in rectangular through holes on cover cap in the guide rail shell (1) of probe segment from rail sections, stretch out, jig part is arranged on the guide rail shell (1) in rail sections, active dop (7) in jig part and driven dop (9) are arranged on the two ends of guide rail shell (1), in the line of centres place same level of the top end face of the probe (17) in probe segment and initiatively dop (7) and driven dop (9).

2. according to automatic ultrasonic flaw-detecting instrument claimed in claim 1, it is characterized in that, described probe segment also comprises probe connecting line (18), probe fixing bracket (19), probe crane (20), couplant reserve tank (21), forcing pipe (22), pressurized cylinder (23), a probe protection pillar (25), No. two probe protection pillars (26), No. three probe protection pillars (27), compression helical spring (28), couplant delivery pipe (29), a couplant nozzle (30), No. two couplant nozzles (31) and No. three couplant nozzles (32),

The bottom that compression helical spring (28) is arranged on mobile lifting tables in probe crane (20) is vertically welded to connect, one end of couplant reserve tank (21) is welded to connect with the right side of probe crane (20), the bottom surface of couplant reserve tank (21) bottom surface and probe crane (20) is coplanar, the short straight section port of the C type pipeline in couplant delivery pipe (29) is connected with the through hole of couplant reserve tank (21) side wall lower ends, the loop part being comprised of couplant delivery pipe (29) is placed on the top of mobile lifting tables in probe crane (20), the long and straight section port of the C type pipeline in couplant delivery pipe (29) is connected with an interface of the loop part being comprised of couplant delivery pipe (29), the bottom of probe fixing bracket (19) adopts welding manner to be arranged on the top of mobile lifting tables in probe crane (20), be within the bottom of probe fixing bracket (19) is arranged on the loop part being comprised of couplant delivery pipe (29), a probe protection pillar (25), No. two probe protection pillars (26) and No. three probe protection pillars (27) are arranged on the top of probe fixing bracket (19) vertically, a couplant nozzle (30), No. two couplant nozzles (31) are arranged on respectively on the interface of the loop part being comprised of couplant delivery pipe (29) with No. three couplant nozzles (32), probe (17) is fixedly mounted in probe fixing bracket (19), probe connecting line (18) one end interfaces are connected with probe (17), probe connecting line (18) other end is connected with data transmission receiving circuit part, top and a couplant nozzle (30) of probe (17), the plane that the top end face of No. two couplant nozzles (31) and No. three couplant nozzles (32) forms is coplanar, and lower than a probe protection pillar (25), the plane that the top end face of No. two probe protection pillars (26) and No. three probe protection pillars (27) forms, one end interface of forcing pipe (22) adopts flange connection to be connected on the through hole of couplant reserve tank (21) top end face, the other end interface of forcing pipe (22) adopts flange connection to be connected on the gas output end mouth of pressurized cylinder (23) in guide rail shell (1) outside.

3. according to automatic ultrasonic flaw-detecting instrument claimed in claim 2, it is characterized in that, the bottom of described is probe fixing bracket (19) is placed in the loop part being comprised of couplant delivery pipe (29) and refers to: the bottom of every supporting leg of probe fixing bracket (19) is positioned at the inner side of the middle position of a circular arc pipeline, in the bottom of three supporting legs and probe crane (20), between the top of mobile lifting tables, adopts Type of Welding to be connected;

A described probe protection pillar (25), the top that No. two probe protection pillars (26) and No. three probe protection pillars (27) are arranged on probe fixing bracket (19) vertically refers to: on the sleeve in probe fixing bracket (19), the correspondence position of planar annular high order end supporting leg is installed a probe protection pillar (25), on sleeve in probe fixing bracket (19), No. two probe protection pillars (26) are installed in the be separated by position of 120 ° of planar annular and No. one probe protection pillar (25) clockwise direction, on sleeve in probe fixing bracket (19), No. three probe protection pillars (27) are installed in the be separated by position of 120 ° of planar annular and No. two probe protection pillar (25) clockwise direction, a probe protection pillar (25), on sleeve in No. two probe protection pillars (26) and No. three probe protection pillars (27) and probe fixing bracket (19), between planar annular, adopt Type of Welding to be connected,

A described couplant nozzle (30), No. two couplant nozzles (31) and No. three couplant nozzles (32) are arranged on respectively on the interface of the loop part being comprised of couplant delivery pipe (29) and refer to: a couplant nozzle (30), No. two couplant nozzles (31) and No. three couplant nozzles (32) are arranged on respectively second positive tee flange joint, the 3rd positive tee flange joint and the 4th positive tee flange joint be not on the interface of union piece, a couplant nozzle (30), the axis of rotation of No. two couplant nozzles (31) and No. three couplant nozzles (32) is in vertical position, and respectively with probe fixing bracket (19) in sleeve outer wall tangent, a couplant nozzle (30), the tangent position of No. two couplant nozzles (31) and No. three couplant nozzles (32) and sleeve adopts welding manner to fix,

Described probe (17) is fixedly mounted in probe fixing bracket (19) and refers to: probe (17) is placed in the sleeve of probe fixing bracket (19), and three hex bolts of radially installing on sleeve are connected with probe (17) close contact.

4. according to automatic ultrasonic flaw-detecting instrument claimed in claim 2, it is characterized in that, described probe fixing bracket (19) is comprised of with three identical supporting legs of structure sleeve;

Described sleeve is cylinder-like structure part, the internal diameter of sleeve is greater than probe (17) the widest part diameter, on sidewall, be provided with three radially tapped through holes, a fastening bolt is respectively housed in three round thread through holes, fastening bolt Length Ratio via depth is long, these three axiss of rotation that the tapped through hole of fastening bolt is installed are all positioned at same plane, the angle of the axis of rotation of two adjacent tapped through holes is 120 °, article three, the supporting leg that structure is identical is right cylinder, article three, the top plane of supporting leg is fixedly connected on respectively on the vertical corresponding sleeve bottom surface of each tapped through hole, article three, the axis of rotation of supporting leg is all parallel with the axis of rotation of sleeve.

5. according to automatic ultrasonic flaw-detecting instrument claimed in claim 2, it is characterized in that, described probe crane (20) also comprises fixed muffle, fixed muffle is a bottomless columniform shell structure part, the center of headboard is provided with the central through hole of a circle, the diameter of manhole is identical with the diameter of mobile lifting tables, and the bottom of the sidewall of fixed muffle is provided with equably stud bolt around and connects light through hole; Mobile lifting tables is a right cylinder, in cylindrical sidewall along same diameter symmetry be provided with the limited block of the cuboid of two protrusions, mobile lifting tables is arranged among fixed muffle, in the circular central through hole of the upper end of mobile lifting tables from fixed muffle headboard, stretch out, the length of limited block is the poor of mobile lifting tables external radius and fixed muffle inside radius, and the limited block on mobile lifting tables sidewall and fixed muffle headboard contact.

6. according to automatic ultrasonic flaw-detecting instrument claimed in claim 2, it is characterized in that, described couplant reserve tank (21) is a box typed structure part, in couplant reserve tank (21), a tank wall is face of cylinder tank wall, the radius of face of cylinder tank wall is identical with fixed muffle external diameter in probe crane (20), on couplant reserve tank (21) top end face, be provided with openable cover plate, couplant reserve tank (21) top end face is provided with a through hole, clear size of opening and forcing pipe (22) measure-alike, couplant reserve tank (21) side wall lower ends is provided with a through hole, clear size of opening is identical with the couplant reserve tank end of couplant delivery pipe (29).

7. according to automatic ultrasonic flaw-detecting instrument claimed in claim 2, it is characterized in that, described couplant delivery pipe (29) also comprises the 120 ° of circular arc pipelines and four positive tee flange joints that structure is identical that three root architectures are identical;

Described C type pipeline long and straight section port connect first positive tee flange joint with all interfaces of angle in 90 ° of another two interfaces, connect successively in a clockwise direction the more left interface of first positive tee flange joint and the right interface of second positive tee flange joint, the left interface of second positive tee flange joint and the right output port of first circular arc pipeline, the right interface of the left port of first circular arc pipeline and the 3rd positive tee flange joint, the left interface of the 3rd positive tee flange joint and the right output port of second circular arc pipeline, the right interface of the left port of second circular arc pipeline and the 4th positive tee flange joint, the right output port of the left interface of the 4th positive tee flange joint and the 3rd circular arc pipeline, the left port of the 3rd circular arc pipeline and the right interface of first positive tee flange joint are connected, the positive tee flange joint that the identical 120 ° of circular arc pipelines of three root architectures are identical with four structures is combined into a circular loop, its diameter is greater than the sleeve diameter in probe fixing bracket (19) and is less than the diameter of the mobile lifting tables in probe crane (20), and make second positive tee flange joint, the 3rd positive tee flange joint and the 4th interface that positive tee flange joint is not connected are vertically upward.

8. according to automatic ultrasonic flaw-detecting instrument claimed in claim 1, it is characterized in that, described rail sections also includes guide rail (2), guide rail lower margin (3), guide rail motor (4), guide rail connecting plate for electric motor (5) and guide rail and guide rail motor shaft joint (6);

Described guide rail (2) is arranged on bolt on the bottom panel in guide rail shell (1) by 4 identical guide rail lower margins (3) of structure and connects, rectangular through holes on cover cap in guide rail (2) and guide rail shell (1) aligns, the left end bolt that guide rail motor (4) is arranged on the bottom panel in guide rail shell (1) by guide rail connecting plate for electric motor (5) connects, the axis of rotation of guide rail motor (4) is vertical with longitudinal plane of symmetry of guide rail (2), the output terminal of guide rail motor (4) is connected with the input shaft of guide rail motor shaft joint (6) and guide rail (2) by guide rail, rectangular through holes on cover cap in slide block in guide rail (2) and guide rail shell (1) aligns.

9. according to automatic ultrasonic flaw-detecting instrument claimed in claim 1, it is characterized in that, described guide rail shell (1) is the Shell-Class structural member of a cuboid, comprise bottom panel and cover cap, cover cap is by left support wall, right support wall, front support longwell, rear support longwell and top cover welding or casting form, on bottom panel, be provided with threaded connection hole, be separately positioned on guide rail lower margin (3), the installation site of guide rail connecting plate for electric motor (6) and the periphery of bottom panel, on cover cap, a side is longitudinally provided with a rectangular through holes, the length of rectangular through holes equals the left and right range of guide rail (2), rectangular through holes width is greater than the diameter of probe crane (20), on the cover cap in the outside on two slotted hole limits of rectangular through holes, be provided with equally distributed be used for that driven dop frame is installed before the threaded connection hole of slide rail (11) and driven dop frame aft ramp (12), on the top cover on Duan Kongbian right side, rectangular through holes right side, be provided with for initiatively dop frame (8) is installed, the bolt light through hole of dop motor base (15) and dop motor housing (16), cover cap right support wall and front support longwell connecting place arrange a rectangular through holes, the junction of cover cap left support wall and front support longwell arranges a square through-hole, the bottom of cover cap is provided with the bolt light through hole mutual corresponding with bottom panel surrounding threaded connection hole, cover cap and bottom panel are with bolts.

10. according to automatic ultrasonic flaw-detecting instrument claimed in claim 1, it is characterized in that, described jig part also comprises initiatively dop frame (8), driven dop frame (10), the front slide rail (11) of driven dop frame, driven dop frame aft ramp (12), dop motor (13), dop and dop motor coupler (14), dop motor base (15) and dop motor housing (16), and wherein before driven dop frame, slide rail (11) is identical with driven dop frame aft ramp (12) structure;

Before driven dop frame, slide rail (11) and driven dop frame aft ramp (12) are arranged on the guide rail shell (1) in rail sections, before driven dop frame, slide rail (11) is positioned at the front side of the rectangular through holes on guide rail shell (1), driven dop frame aft ramp (12) is positioned at the rear side of the rectangular through holes on guide rail shell (1), before driven dop frame, slide rail (11) and driven dop frame aft ramp (12) symmetrical parallel are placed, driven dop (9) is arranged on the front slide rail (11) of driven dop frame and driven dop frame aft ramp (12) left end by driven dop frame (10), initiatively dop (7) is arranged on by active dop frame (8) on the guide rail shell (1) on the front slide rail (11) of driven dop frame and driven dop frame aft ramp (12) right side, dop motor (13) is connected with the transmission shaft of active dop (7) with dop motor coupler (14) by dop, dop motor (13) is arranged on by dop motor base (15) on the guide rail shell (1) on active dop frame (8) right side, driven dop (9), the initiatively axis of rotation conllinear of dop (7) and dop motor (13), dop motor housing (16) spiral-lock is connected with the upper bolt of guide rail shell (1) around dop motor coupler (14) and dop motor (13) at dop.

11. according to automatic ultrasonic flaw-detecting instrument claimed in claim 10, it is characterized in that, described driven dop (9) is with initiatively dop (7) structure is identical, be all the three-jaw centering chuck of being furnished with transmission shaft, can choose model is the three-jaw centering chuck of K11-80, and clamped range of size is 2～22mm;

The front slide rail (11) of driven dop frame that 2 described root architectures are identical is the straight-bar class formation part of the iso-cross-section that 2 root architectures are identical with driven dop frame aft ramp (12), its length is greater than the longitudinal size of the rectangular through holes on guide rail shell (1), the front slide rail (11) of driven dop frame that 2 root architectures are identical and the iso-cross-section of driven dop frame aft ramp (12) are convex shape, the rectangular parallelepiped part that before driven dop frame, the first half of slide rail (11) and driven dop frame aft ramp (12) is square cross section, the square indentations consistent size of the size of square cross section and driven dop frame (10) bottom, prolate side's body that before driven dop frame, the latter half of slide rail (11) and driven dop frame aft ramp (12) is rectangular cross section divides, and the dual-side of flat rectangular parallelepiped is longitudinally evenly arranged the screw connecting through hole of mounting screw.

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