CN104090028B - A kind of contactless hollow-axle ultrasonic flaw-detecting machine - Google Patents
A kind of contactless hollow-axle ultrasonic flaw-detecting machine Download PDFInfo
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- CN104090028B CN104090028B CN201410378123.9A CN201410378123A CN104090028B CN 104090028 B CN104090028 B CN 104090028B CN 201410378123 A CN201410378123 A CN 201410378123A CN 104090028 B CN104090028 B CN 104090028B
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Abstract
The invention discloses a kind of contactless hollow-axle ultrasonic flaw-detecting machine, including chassis, body, feed mechanism, detecting and controlling system and elevating mechanism, described tray bottom is provided with universal travel wheel, it is provided with joystick in the side on chassis, described elevating mechanism is mounted on described joystick installation side relative on the chassis upper surface of opposite side, and described feed mechanism is arranged on the body between joystick and elevating mechanism.The present invention is compared with prior art, the contactless hollow-axle ultrasonic flaw-detecting machine of the application uses non-contact type ultrasonic pulse reflection method to detect hole-bored axle from end to end, detecting and controlling system controls feed mechanism and drives feeler lever to move forward and backward along hole-bored axle from end to end inner surface, and the probe carrier of feeler lever one end rotates under the driving of electric rotating machine, so that probe on probe carrier can accurately detect the transversal crack in hole-bored axle from end to end inner and outer surfaces, longitudinal crack and the material defect within hole-bored axle from end to end with omnibearing automatic detection hole-bored axle from end to end.
Description
Technical field
The present invention relates to a kind of axletree defectoscope, a kind of contactless hollow-axle ultrasonic flaw-detecting machine, belong to metal ultrasonic detection flaw detection equipment technology field.
Background technology
Under the background of China railways speed raising, it is especially desirable to the high-speed railway EMUs reaching to overhaul mileage are overhauled, to ensure operation security.When maintenance, need axletree is carried out ultrasonic examination inspection.Existing ultrasonic test equipment is only capable of detecting solid axle, but, the axletree that high-speed railway EMUs use is substantially hollow axletree, needs to stretch into probe to carry out complete detection inside axletree.It would therefore be highly desirable to provide the hollow-axle ultrasonic flaw-detecting machine of a kind of improvement to overcome drawbacks described above.
Find through retrieval, Chinese utility model patent Application No. 201120317694.3, open a kind of high efficiency hollow-axle ultrasonic flaw-detecting machine, its structure is also adopted by feeler lever hollow axle is detected a flaw, but the feeler lever of this defectoscope is contact type structure with the inwall of hollow axle, phase mutual friction during flaw detection, abrasion to probe carrier is the most serious, the hoisting mechanism of this structure uses mechanical lever-type to promote simultaneously, during lifting, the precision of feeler lever alignment hollow axle is poor, often longer to the punctual consuming time, largely effect on the carrying out flaw detection efficiency to hole-bored axle from end to end.
Summary of the invention
The technical problem to be solved is, the shortcoming overcoming prior art, it is provided that a kind of horizontal, longitudinal crack that can accurately detect hole-bored axle from end to end and the contactless hollow-axle ultrasonic flaw-detecting machine of internal flaw.
nullIn order to solve above technical problem，The present invention provides a kind of contactless hollow-axle ultrasonic flaw-detecting machine，Including chassis、Body、Feed mechanism、Detecting and controlling system and elevating mechanism，Described tray bottom is provided with universal travel wheel，It is provided with joystick in the side on chassis，Described elevating mechanism is mounted on described joystick installation side relative on the chassis upper surface of opposite side，Described feed mechanism is arranged on the body between joystick and elevating mechanism，Described feed mechanism includes housing and is located at the transmission component in described housing and feeding motor，The side of described housing is provided with the plug cooperated with feed mechanism，Described plug connects cable equipped with feed mechanism，Equipped with feeler lever on feed mechanism，The installation end of described feeler lever is connected with feeding motor through transmission component by chain，The end of probe of described feeler lever is provided with probe carrier；
Described feeler lever carrier is connected to the top outside feeler lever by flange and ball bearing, described flange and ball bearing interference fit, described ball bearing is connected with probe carrier by screw, drive end bearing bracket is arranged on described probe carrier and is connected with flange by screw, described probe carrier is symmetrically arranged on two with probe placement Baltimore groove, it is provided with three groups of probe placement female parts in the probe placement Baltimore groove of probe carrier side, in opposite side probe placement Baltimore groove, is provided with four groups of probe placement female parts；Probe placement female part slides in probe placement Baltimore groove, it is installed with ultrasound probe in described probe placement female part, described ultrasound probe is arranged side by side in probe placement female part, the surface of described probe placement female part is also fixedly connected with probe protection metal framework, probe location bascule it is additionally provided with in described probe carrier cavity, described probe location bascule is butted on probe placement female part and limits probe placement female part and the moving range of ultrasound probe, it is additionally provided with ultrasonic emitting on described probe carrier and receives eight channel interfaces for launching received ultrasonic signal；The two ends of feeler lever support are provided with locating ring, are provided with electric rotating machine in feeler lever cavity, and described electric rotating machine outer sheath is provided with the metal-graphite brush collector ring being connected by wire with electric rotating machine；Couplant supply oil circuit it is additionally provided with in feeler lever cavity, described couplant supply oil circuit one end is connected with the fuel tank being arranged in body, the other end is connected with probe placement female part inwall, and probe carrier is additionally provided with the couplant oil-out suitable with couplant supply oil circuit；Described probe carrier, feeding motor and electric rotating machine are electrically connected by cable with described detecting and controlling system respectively；
nullDescribed elevating mechanism includes frame，Leading screw vertically it is provided with in described frame，The bottom of described leading screw is provided with the motor driving screw turns，It is additionally provided with horizontally disposed hoistable platform in described leading screw side，Described hoistable platform side has the screw device mated with described leading screw，It is connected with described threads of lead screw by described screw device，Described hoistable platform controls it by the rotation of leading screw and moves up and down，Described hoistable platform is provided with rail plate，By slide block, column mounting base is installed on described rail plate，Vertical on described column mounting base it is provided with lifting arm column，Described lifting arm column top is connected by bearing block lifting arm crossbeam，Described lifting arm crossbeam and described lifting arm uprights vertical，It is additionally provided with feed mechanism lifting device on described lifting arm crossbeam，Described lifting device includes described motor、Leading screw、Hoistable platform、Lifting arm，And it is arranged on the assembly pulley on lifting arm column and lifting arm crossbeam、Steel wire rope，Described motor drives leading screw to drive hoistable platform mechanism to move up and down，Drive lifting arm to move up and down simultaneously，Steel wire rope one end is connected feed mechanism by the assembly pulley of lifting arm column upper end and lifting arm crossbeam front end，The other end is connected with the static organ being arranged on lifting arm column bottom by pulley combination，Described lifting device drives leading screw to promote feed mechanism by being arranged at the motor of bottom.
Feeler lever of the present invention is contactless leakage of fault detecting probe rod of hollow axle, the probe of this fault detecting probe rod is provided with protection device probe-protecting device in use and fits with axletree inner hole wall, now there is the gap of 2mm between probe and probe-protecting device, it is full of coupling liquid between probe and probe-protecting device when detection, make probe be immersed in coupling liquid to detect a flaw, both probe it had been effectively protected, make to pop one's head in and be not worn when flaw detection, extend the service life of probe, the detection mode of immersion in turn ensure that the coupling performance of flaw detection process is good simultaneously, thus ensure the accuracy of result, probe is long for service life, flaw detection ultrasonic coupling performance is high, energy rapid and convenient, accurately hole-bored axle from end to end inside hazardness fatigue crack and defect are detected, hole-bored axle from end to end flaw detection equipment is preferably maintained normally to work.Ultrasound probe is not fixedly mounted in flaw detection main body, ultrasound probe is arranged in probe placement female part, and can move up and down in probe placement groove with probe placement female part, realize the regulation of different angles, simultaneously, in conjunction with couplant oil passage, couplant can flow out from flaw detection body cavity and be full of between ultrasound probe and hole-bored axle from end to end endoporus, all cover and realize a kind of immersion ultrasonic examination, energy rapid and convenient, accurately hole-bored axle from end to end inside hazardness fatigue crack and defect are detected, hole-bored axle from end to end flaw detection equipment is preferably maintained normally to work；Electric rotating machine is used in probe carrier junction, the rotation of probe carrier can be driven, need not operator manually carry out rotating fault detecting probe rod, reduce the labor intensity of operator, more convenient operation, can move with probe placement female part in combination with ultrasound probe and rotate the detection flaw detection realizing orientation each to hole-bored axle from end to end endoporus defect so that result of detection more accuracy, it is ensured that flaw detection work high-quality completes.
The elevating mechanism used the most in the inventive solutions, it effectively solves the phenomenon that mechanical arm rotates or the feed mechanism that is not in place and that cause that stretches cannot be carried out detecting a flaw, the mechanical arm of the present invention can rotate on certain angle and move up and down, owing to using screw mandrel to carry out descending operation, Adjustment precision is high, being difficult to relatively large deviation occur, feed mechanism can be carried out up and down within the specific limits by assistance mechanical arm, left and right and precise manipulation front and back.
Due to the outer sheathed collector ring of the feeler lever electric rotating machine of the present invention, electric rotating machine uses the connected mode of radially collector ring, power supply and signal can be transmitted from fixed position to position of rotation smoothly while rotating continuously, ultrasound probe is avoided to sprain wire when rotating, radially collector ring uses metal-graphite brush, can improve systematic function, simplified system mechanism, realize the rotating of electric rotating machine by changing the polarity of power supply, thus change the direction of rotation of ultrasound probe.
The present invention limits technical scheme further: aforesaid contactless hollow-axle ultrasonic flaw-detecting machine, described detecting and controlling system includes the computer being located on body, be located on described feed mechanism ultrasonic electronic processing unit and the position coder being connected with electric machine controller on described electric rotating machine and described feeding motor, described position coder and described probe are electrically connected with described computer by described ultrasonic electronic processing unit.Described ultrasonic electronic processing unit transmission is detected data and is processed by general carrying out flaw detection software by detecting and controlling system, the positional information of the probe obtained with described position coder combines, and then can accurately generate the ultrasonic scanning image of hole-bored axle from end to end.
Aforesaid contactless hollow-axle ultrasonic flaw-detecting machine, described probe location bascule includes that spring and spring strut, described spring strut are positioned at the bottom of probe placement female part；Ultrasound probe includes transversal crack detection probe, longitudinal crack detection probe and material flaw detection probe, feeler lever is externally provided with at least one centering ring, the external diameter of described centering ring is more than the external diameter of described feeler lever, to ensure that described feeler lever is positioned at the central axis of described hole-bored axle from end to end, improve accuracy in detection further.
Aforesaid contactless hollow-axle ultrasonic flaw-detecting machine, the housing of described feed mechanism is additionally provided with oil temperature sensor and heater, described heater is coated on outside couplant supply oil circuit, described oil temperature sensor and heater electrically connect with described detecting and controlling system respectively, and described detecting and controlling system is monitored and controlled the temperature of described couplant oil by described oil temperature sensor and heater.
Aforesaid contactless hollow-axle ultrasonic flaw-detecting machine, described probe protection metal framework is arcuate structure, the cambered surface of under static state probe protection metal framework and ultrasound probe form the surface gap layer of 2mm, also there is between ultrasound probe and hole-bored axle from end to end endoporus the cavity clearance of 2mm, ultrasound probe is avoided directly to contact friction with hole-bored axle from end to end inner hole wall, extend the service life of ultrasound probe, realize contactless flaw detection, couplant is by couplant supply oil routing probe, realize a kind of immersion ultrasonic examination, energy rapid and convenient, accurately hole-bored axle from end to end inside hazardness fatigue crack and defect are detected, hole-bored axle from end to end flaw detection equipment is preferably maintained normally to work.
nullAforesaid contactless hollow-axle ultrasonic flaw-detecting machine，Described hoistable platform is connected with frame by the riser guide of its both sides，Vertical and corresponding being arranged in frame of riser guide of described both sides，The rail plate of described elevating mechanism is made up of two horizontally disposed closed slides，Described slide block is slidably fixed on described two guide rails，Article two, line slideway is fixed on two crossbeams of framework by fixed block，Line slideway is provided with four slide blocks，Slide block is provided with directive wheel connecting plate，Uniform four guide wheel brackets in directive wheel connecting plate four limit，Each guide wheel bracket connects a directive wheel respectively，These four directive wheels contact respectively at the principal arm four sides of lifting arm，Play the guiding when hoistable platform drives lifting arm to move up and down and position-limiting action，Additionally，Rail plate mechanism is also arranged above organ closure assembly，Not only can ensure that lifting arm slided smoothly but also can play daily dustproof effect when can run about lifting arm.
The invention has the beneficial effects as follows: the present invention is compared with prior art, the contactless hollow-axle ultrasonic flaw-detecting machine of the application uses non-contact type ultrasonic pulse reflection method to detect hole-bored axle from end to end, detecting and controlling system controls feed mechanism and drives feeler lever to move forward and backward along hole-bored axle from end to end inner surface, and the probe carrier of feeler lever one end rotates under the driving of electric rotating machine, so that the probe on probe carrier can be with omnibearing automatic detection hole-bored axle from end to end, in accurately detecting hole-bored axle from end to end, transversal crack on outer surface, material defect within longitudinal crack and hole-bored axle from end to end.The elevating mechanism of the present invention is made up of rail plate and leading screw, and lifting arm principal arm one end is arranged on hoistable platform, and turning arm is connected by rotary apparatus with the principal arm other end.Staff can be facilitated to be inserted accurately by feeler lever in hole-bored axle from end to end to be detected by hoistable platform and swivel arm mechanism, easy to operate, safe and reliable.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is feed mechanism structural representation of the present invention.
Fig. 3 is feeler lever structural representation of the present invention.
Fig. 4 is the A point partial enlarged drawing of Fig. 3.
Fig. 5 is this elevating mechanism structural representation.
Fig. 6 is the B direction view of Fig. 5.
Detailed description of the invention
Embodiment 1
nullThe present embodiment provides a kind of contactless hollow-axle ultrasonic flaw-detecting machine，Structure is as shown in Figures 1 to 6，Including chassis 17、Body 14、Feed mechanism 12、Detecting and controlling system and elevating mechanism，Universal travel wheel 18 it is provided with bottom chassis 17，It is provided with joystick 19 in the side on chassis，Elevating mechanism is mounted on joystick installation side relative on the chassis upper surface of opposite side，On the body 14 that feed mechanism is arranged between joystick and elevating mechanism，Feed mechanism 12 includes housing 23 and the transmission component 21 being located in housing and feeding motor 22，The side of housing is provided with the plug cooperated with feed mechanism，Plug connects cable equipped with feed mechanism，Equipped with feeler lever on feed mechanism，The installation end of feeler lever is connected with feeding motor 22 through transmission component by chain，The end of probe of feeler lever is provided with probe carrier 2；Feeler lever is externally provided with a centering ring, and the external diameter of centering ring is more than the external diameter of feeler lever；Being additionally provided with oil temperature sensor and heater in the housing of feed mechanism, heater is coated on outside couplant supply oil circuit 9, and oil temperature sensor and heater electrically connect with detecting and controlling system respectively；
Feeler lever carrier 2 is connected to the top outside feeler lever by flange 4 and ball bearing, flange 4 and ball bearing interference fit, ball bearing is connected with probe carrier by screw, drive end bearing bracket 1 is arranged on probe carrier and is connected with flange by screw, probe carrier 2 is symmetrically arranged on two with probe placement Baltimore groove 5, it is provided with three groups of probe placement female parts 6 in the probe placement Baltimore groove of probe carrier side, in opposite side probe placement Baltimore groove 5, is provided with four groups of probe placement female parts 6；Probe placement female part 6 slides in probe placement Baltimore groove 5, ultrasound probe 7 it is installed with in probe placement female part 6, ultrasound probe 7 is arranged side by side in probe placement female part 6, and the ultrasound probe of the present embodiment includes horizontal stricture of vagina detection probe, longitudinal crack detection probe and material flaw detection probe；The surface of probe placement female part 6 is also fixedly connected with probe protection metal framework 8; probe location bascule it is additionally provided with in probe carrier cavity; probe location bascule is butted on probe placement female part 6 and limits probe placement female part 6 and the moving range of ultrasound probe 7; probe location bascule includes spring and spring strut; spring strut is positioned at the bottom of probe placement female part 6, and be ultimately used to restriction ultrasound probe moves up and down scope；It is additionally provided with ultrasonic emitting on probe carrier and receives eight channel interfaces for launching received ultrasonic signal；The two ends of feeler lever support are provided with locating ring 11, are provided with electric rotating machine in feeler lever cavity, and electric rotating machine outer sheath is provided with the collector ring being connected by wire with electric rotating machine；Couplant supply oil circuit 9 it is additionally provided with in feeler lever cavity, couplant supply oil circuit 9 one end is connected with the fuel tank being arranged in body, the other end is connected with probe placement female part 6 inwall, and probe carrier is additionally provided with the couplant oil-out 10 suitable with couplant confession oil supply 9 road；Probe carrier, feeding motor and electric rotating machine are electrically connected by cable with detecting and controlling system respectively；
nullElevating mechanism includes frame，Leading screw vertically it is provided with in frame，The bottom of leading screw is provided with the motor driving screw turns，It is additionally provided with horizontally disposed hoistable platform in leading screw side，Hoistable platform side has the screw device mated with leading screw，It is connected with threads of lead screw by screw device，Hoistable platform controls it by the rotation of leading screw and moves up and down，Hoistable platform is provided with rail plate，By slide block, column mounting base is installed on rail plate，Vertical on column mounting base it is provided with lifting arm column，Lifting arm column top is connected by bearing block lifting arm crossbeam，Lifting arm crossbeam and lifting arm uprights vertical，Feed mechanism lifting device it is additionally provided with on lifting arm crossbeam，The motor that lifting device includes、Leading screw、Hoistable platform、Lifting arm，And it is arranged on the assembly pulley on lifting arm column and lifting arm crossbeam、Steel wire rope，Motor drives leading screw to drive hoistable platform mechanism to move up and down，Drive lifting arm to move up and down simultaneously，Steel wire rope one end is connected feed mechanism by the assembly pulley of lifting arm column upper end and lifting arm crossbeam front end，The other end is connected with the static organ 41 being arranged on lifting arm column bottom by pulley combination，Lifting device drives leading screw to promote feed mechanism by being arranged at the motor of bottom；
Detecting and controlling system includes the computer being located on body, be located on feed mechanism ultrasonic electronic processing unit and the position coder being connected with electric machine controller on electric rotating machine and feeding motor, position coder and probe are electrically connected with computer by ultrasonic electronic processing unit.
nullThe feeler lever 3 that size is mated only need to be connected on feed mechanism by the present embodiment in use，Feed mechanism is connected with hole-bored axle from end to end by adapter，Detecting and controlling system drives probe carrier 2 along hole-bored axle from end to end endoporus axial feed motion by the motor of feed mechanism，Probe carrier 2 rotates under electric rotating machine effect in hole-bored axle from end to end endoporus，Probe launches ultrasonic pulse signal，Ultrasound wave enters inside axletree endoporus，Arcuate probe protection metal framework 8 closely cooperates with hole-bored axle from end to end inner hole wall，When ultrasound probe 7 mobile also ultrasound probe 7 in probe protection metal framework 8 moves to closest to probe protection metal framework 8，The surface of ultrasound probe 7 forms the cavity of two millimeters with inner hole wall，Couplant is entered in this closed cavity by the couplant oil-out 10 on couplant supply oil circuit 9 and flaw detection main body 2，Carry out a kind of immersion ultrasonic examination，Detect in all directions，If it find that transverse defect during detection、Longitudinal defect or inner materials defect，Ultrasonic signal reflects and is received eight channel interface receiving data transmission systems by ultrasonic emitting and feed back to control unit and show in real time.Collector ring on feeler lever is connected with electric rotating machine by wire, the rotation of electric rotating machine finally changes the direction of rotation of ultrasound probe 7, and the concrete position of rotation detection of ultrasound probe 7 is then to be sent to control unit by motor encoder feedback signal by radial direction collector ring and the connector that is arranged in feeler lever support 3 to control probe carrier.
Hole-bored axle from end to end is detected by the fault detecting probe rod using the present embodiment; this fault detecting probe rod ultrasound probe 7 surface in use and hole-bored axle from end to end inner hole wall leave cavity; the service life extending ultrasound probe 7 is protected by probe protection metal framework 8; formed in cavity between ultrasound probe 7 with hole-bored axle from end to end endoporus and couple oil reservoir raising flaw detection ultrasonic coupling performance; realize the detection of a kind of immersion; can rapid and convenient, accurately hole-bored axle from end to end inside hazardness fatigue crack and defect are detected, preferably maintain hole-bored axle from end to end flaw detection equipment normally to work.
nullThe operation principle of the present embodiment elevating mechanism is: motor 31 drives leading screw 32 to rotate，Hoistable platform 33 is made to do vertical lifting moving along the riser guide 30 of its both sides，And make lifting arm column 36 move up and down together along with hoistable platform 33，Organ cover stopping means 39 in frame drives lifting arm column 36 to carry out spacing to it when moving up and down at hoistable platform 33，Lifting arm column 36 is moved on rail plate 34 by slide block，Lifting arm column 36 is made to do side-to-side movement，Lifting arm crossbeam 38 can be rotated around lifting arm column 36 by bearing block 37，Thus the present embodiment can be carried out within the specific limits up and down、Left-right and front-back and spinning movement，Feed mechanism lifting device it is additionally provided with on lifting arm crossbeam 38，Lifting device includes motor 31、Leading screw 32、Hoistable platform 33，And it is arranged on the assembly pulley 42 on lifting arm column and lifting arm crossbeam、Steel wire rope，Motor drives leading screw to drive hoistable platform 33 mechanism to move up and down，Drive lifting arm crossbeam 38 to move up and down simultaneously，Steel wire rope one end is connected feed mechanism by the assembly pulley of lifting arm column upper end and lifting arm crossbeam front end，The other end is connected with the static organ 41 being arranged on lifting arm column bottom by pulley combination，Lifting device drives leading screw to promote feed mechanism by being arranged at the motor of bottom.
Above example is only the technological thought that the present invention is described, it is impossible to limiting protection scope of the present invention with this, every technological thought proposed according to the present invention, any change done on the basis of technical scheme, within each falling within scope.
Claims (10)
1. a contactless hollow-axle ultrasonic flaw-detecting machine, including chassis, body, feed mechanism, detection
Control system and elevating mechanism, described tray bottom is provided with universal travel wheel, is provided with control in the side on chassis
Handle, described elevating mechanism is mounted on the described joystick installation side chassis upper surface relative to opposite side
On, described feed mechanism is arranged on the body between joystick and elevating mechanism, it is characterised in that:
Described feed mechanism includes housing and is located at the transmission component in described housing and feeding motor, described
The side of housing is provided with the plug cooperated with feed mechanism, equipped with feed mechanism connecting line on described plug
Cable, equipped with feeler lever on feed mechanism, the installation end of described feeler lever passes through chain through transmission component and feeding motor
Being connected, the end of probe of described feeler lever is provided with probe carrier；
Described feeler lever carrier is connected to the top outside feeler lever, described flange by flange (4) and ball bearing
(4) with ball bearing interference fit, described ball bearing is connected with probe carrier by screw, drive end bearing bracket (1)
Being arranged on described probe carrier and be connected with flange by screw, described probe carrier is symmetrically arranged on two with spy
Head places Baltimore groove (5), is provided with three groups of probe placement female parts in the probe placement Baltimore groove of probe carrier side
(6), four groups of probe placement female parts (6) it are provided with in opposite side probe placement Baltimore groove (5)；Probe placement spill
Part (6) slides in probe placement Baltimore groove (5), fixed installation in described probe placement female part (6)
Ultrasound probe (7), described ultrasound probe (7) is had to be arranged side by side in probe placement female part (6),
The surface of described probe placement female part (6) is also fixedly connected with probe protection metal framework (8), described spy
Being additionally provided with probe location bascule in head carrier cavity, it is recessed that described probe location bascule is butted on probe placement
Shape part (6) limits probe placement female part (6) and the moving range of ultrasound probe (7), described probe
It is additionally provided with ultrasonic emitting on carrier and receives eight channel interfaces for launching received ultrasonic signal；Feeler lever support
Two ends are provided with locating ring (11), are provided with electric rotating machine in feeler lever cavity, and described electric rotating machine outer sheath is provided with
The collector ring being connected with electric rotating machine by wire；Couplant supply oil circuit (9), institute it is additionally provided with in feeler lever cavity
Stating couplant supply oil circuit (9) one end to be connected with the fuel tank being arranged in body, the other end is recessed with probe placement
Shape part (6) inwall is connected, and probe carrier is additionally provided with the couplant suitable with couplant confession oil supply (9) road
Oil-out (10)；Described probe carrier, feeding motor and electric rotating machine lead to described detecting and controlling system respectively
Cross cable electrical connection；
Described elevating mechanism includes frame, is vertically provided with leading screw in described frame, and the bottom of described leading screw is provided with drives
The motor of dynamic screw turns, is additionally provided with horizontally disposed hoistable platform, described hoistable platform in described leading screw side
Side has the screw device mated with described leading screw, is connected with described threads of lead screw by described screw device,
Described hoistable platform controls it by the rotation of leading screw and moves up and down, and described hoistable platform is provided with slip and leads
Rail, described rail plate is provided with column mounting base by slide block, vertical on described column mounting base
Being provided with lifting arm column, described lifting arm column top is connected by bearing block lifting arm crossbeam, described liter
Fall arm crossbeam and described lifting arm uprights vertical, described lifting arm crossbeam is additionally provided with feed mechanism lifting device,
Described lifting device includes described motor, leading screw, hoistable platform, lifting arm, and is arranged on lifting arm and stands
Assembly pulley on post and lifting arm crossbeam, steel wire rope, described motor drives leading screw to drive hoistable platform mechanism to carry out
Move up and down, drive lifting arm to move up and down, lifting arm column upper end and the cunning of lifting arm crossbeam front end simultaneously
Steel wire rope one end is connected feed mechanism by wheels, and the other end passes through pulley combination and is arranged on lifting arm column bottom
Static organ connect, described lifting device by be arranged at bottom motor drive leading screw feed mechanism is carried
Rise.
Contactless hollow-axle ultrasonic flaw-detecting machine the most according to claim 1, it is characterised in that: institute
State detecting and controlling system and include the computer being located on body, at the ultrasonic electronic be located on described feed mechanism
Reason unit and the position coder being connected with electric machine controller on described electric rotating machine and described feeding motor,
Described position coder and described probe are electrically connected with described computer by described ultrasonic electronic processing unit.
Contactless hollow-axle ultrasonic flaw-detecting machine the most according to claim 1, it is characterised in that: institute
State probe location bascule and include that spring and spring strut, described spring strut are positioned at probe placement female part
(6) bottom.
Contactless hollow-axle ultrasonic flaw-detecting machine the most according to claim 1, it is characterised in that: institute
Stating and be additionally provided with oil temperature sensor and heater in the housing of feed mechanism, described heater is coated on couplant
Supply oil circuit (9) outside, described oil temperature sensor and heater are electrically connected with described detecting and controlling system respectively
Connect.
Contactless hollow-axle ultrasonic flaw-detecting machine the most according to claim 1, it is characterised in that: institute
State ultrasound probe and include transversal crack detection probe, longitudinal crack detection probe and material flaw detection probe.
Contactless hollow-axle ultrasonic flaw-detecting machine the most according to claim 1, it is characterised in that: institute
Stating hoistable platform to be connected with frame by the riser guide of its both sides, the riser guide of described both sides is vertical and relative
That answers is arranged in frame.
Contactless hollow-axle ultrasonic flaw-detecting machine the most according to claim 1, it is characterised in that: institute
Stating feeler lever and be externally provided with at least one centering ring, the external diameter of described centering ring is more than the external diameter of described feeler lever.
Contactless hollow-axle ultrasonic flaw-detecting machine the most according to claim 1, it is characterised in that:
Described probe protection metal framework (8) is arcuate structure, the cambered surface of described probe protection metal framework (8)
With the surface gap layer that ultrasound probe (7) forms 2mm.
Contactless hollow-axle ultrasonic flaw-detecting machine the most according to claim 1, it is characterised in that:
Described collector ring is metal-graphite brush.
Contactless hollow-axle ultrasonic flaw-detecting machine the most according to claim 1, it is characterised in that:
The rail plate of described elevating mechanism is made up of two horizontally disposed closed slides, and described slide block is slidably fixed on
On described two guide rails.
Priority Applications (1)
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| CN105737756A (en) * | 2016-02-16 | 2016-07-06 | 南京林城亿轮轨道交通技术有限公司 | Rail transit laser intelligent inspection device and inspection method |
| CN106124628A (en) * | 2016-08-31 | 2016-11-16 | 北京主导时代科技有限公司 | A kind of hollow axle ultrasonic flaw-detecting machine |
| CN106198755B (en) * | 2016-08-31 | 2023-05-19 | 北京主导时代科技有限公司 | Hollow shaft detection device |
| CN111189924A (en) * | 2020-02-18 | 2020-05-22 | 何碧侠 | Steel flaw detection repair equipment and use method thereof |
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| CN111693673A (en) * | 2020-06-22 | 2020-09-22 | 重庆快捷长征无损检测有限责任公司 | Monorail vehicle hollow shaft detection device that detects a flaw |
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| CN113504252B (en) * | 2021-06-29 | 2023-09-22 | 国网上海市电力公司 | Flaw detection device for power equipment |
| CN113804760A (en) * | 2021-08-23 | 2021-12-17 | 安徽安吉特轨道交通科技有限公司 | Self-supply coupling liquid type hollow shaft flaw detection device |
| CN114705825B (en) * | 2022-06-06 | 2022-08-16 | 江苏宣胜金属科技有限公司 | Seamless steel pipe makes with detection device that detects a flaw |
| CN117233264B (en) * | 2023-11-15 | 2024-03-19 | 湘潭振宏材料科技有限公司 | Ultrasonic detection device and method for detecting internal defects of metal parts |
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