CN102207489B - Combined three-dimension flaw detection device of 3-6 shafts - Google Patents
Combined three-dimension flaw detection device of 3-6 shafts Download PDFInfo
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- CN102207489B CN102207489B CN201110076272.6A CN201110076272A CN102207489B CN 102207489 B CN102207489 B CN 102207489B CN 201110076272 A CN201110076272 A CN 201110076272A CN 102207489 B CN102207489 B CN 102207489B
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Abstract
The invention relates to a combined three-dimension flaw detection device of 3-6 shafts. The device provided by the invention is characterized in that an upper portion motion system comprises mobile modules which drive a probe assembly to move along orthogonal spatial X-axis, Y-axis and Z-axis directions; the upper portion motion system is connected with a frame by a main crossbeam; the upper portion motion system also comprises swing modules along single shafts; a bottom motion comprises workpiece rotation modules in which support workpieces rotate around one or two shafts; the workpiece rotation modules are connected with a detection working area; The combination of the orthogonal spatial X-axis, Y-axis and Z-axis motions, the rotation around any shaft, and the rotation of 1-2 shafts by workpieces can accomplish the 3-6 freedom probe automatic detection system of 3-6 shafts, The combined three-dimension flaw detection device of 3-6 shafts minimizes the probe exercise amount, realizes the direct connection of probe signals to an ultrasonic card of the flawless detection system, has the advantage of concise and reliable ultrasonic subsystem, and can effectively detect medium and small workpieces.
Description
Technical field
The present invention relates to the nondestructive testing technique field, three-six three-dimensional failure detectors of especially a kind of combined type.
Background technology
Flaw detection is defined as surveys metal material or the crackle of components interior or the detection means of defective.Method of detection commonly used has: methods such as x-ray flaw detection, UT (Ultrasonic Testing), magnetic powder inspection, permeation flaw detection, eddy current test, gamma ray inspection, fluorescent flaw detection, dye penetrant inspection.The physics flaw detection is exactly not produce under the situation of chemical change to carry out nondestructive examination.
For a long time, the curved surface flaw detection is a generally acknowledged difficult problem always.The physical construction of homemade nondestructiving inspecting equipment adopts the special plane mode of judging the case as it stands always, and the mode of a lot of ultrasonic device precision deficiencies is handled roughly by software, can not adapt to the arbitrary surface flaw detection, always to survive in the mode of low-end market harmful competition.
Summary of the invention
In order to overcome above defective, the technical problem to be solved in the present invention is: propose a kind of ultrasonic, the eddy current test that can carry out curve, curved surface, arbitrary shape, have the predictability height that movement locus is accurate, survey, can realize the combined three-dimensional failure detector of the 3-6 degree of freedom of 3-6 axle.
The technical solution adopted in the present invention is: three-six three-dimensional failure detectors of a kind of combined type, the frame that comprises fixing whole device, described frame is provided with top kinematic system, bottom kinematic system, described top kinematic system comprises and drives the mobile module that probe assembly moves along X-axis, Y-axis, the Z-direction of orthogonal space that described top kinematic system is connected with described frame by main beam.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type comprise that further the motion of described bottom comprises that supporting workpiece winds the workpiece rotating module that rotates and move smaller or equal to two axles, and described workpiece rotating module is connected with the testing district.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type comprise that further described mobile module comprises
The X-axis mobile module, be connected by first guide rail and with first slide block that first guide rail cooperates between described main beam and the frame, be connected with X-axis crossbeam supporting plate on the described main beam, be fixed with X-axis driving member on the described X-axis crossbeam supporting plate by the motion of X-axis motor-driven;
Y-axis shift dynamic model piece, on the Y direction on the main beam, be provided with the y-axis motor that drives y-axis shift dynamic model piece, be connected with the Y-axis driving member with described y-axis motor, y-axis motor is connected with frame, also be fixed with the Y-axis guide rail on the described frame, cooperate with described Y-axis guide rail to be provided with second slide block, be connected by retainer between described second slide block and the Y-axis driving member;
Z axle mobile module, comprise the Z spindle motor of fixedlying connected with frame, the Z spindle motor is connected with Z through-drive part, described Z through-drive part is provided with the 3rd slide block, cooperate with the 3rd slide block and to be provided with the Z axis rail, be connected with the probe polished rod on described the 3rd slide block, described Z axis rail fixing with a Z axle column on, Z axle column is connected with X-axis crossbeam supporting plate by first web member.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type comprise that further described top kinematic system also comprises the swing module of single shaft direction.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type further comprise second guide rail with its axially parallel of being provided with of X-axis crossbeam supporting plate, be equipped with Four-slider on second guide rail, be connected activity clamping between described first web member and the Z axle column with Four-slider by second guide rail between X-axis crossbeam supporting plate first web member.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type further comprise on the direction of motion of described X-axis mobile module, y-axis shift dynamic model piece, Z axle mobile module and are respectively equipped with position sensing element.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type comprise that further the bearing arrangement that is provided with in the bottom of described Z axle column is 2 supporting constructions of duplex bearing or single-point supporting construction.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type comprise that further described probe polished rod inside is monolateral hollow-core construction.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type comprise that further the swing module of single shaft direction is B axle swing module or C axle swing module or A axle swing module, be connected with probe with described probe polished rod end, the swing module of described single shaft direction is arranged between probe polished rod and the probe, the swing module of described single shaft direction is fixedlyed connected with described probe polished rod by second web member
B axle swing module is connected with the yaw pedestal with described second web member, and the yaw pedestal is provided with by the B axle and swings motor-driven probe socket, and described probe is arranged on the probe socket;
C axle swing module comprises the transition sleeve of fixedlying connected with described second web member, is equipped with C axle swing motor in the described transition sleeve, and the output of described C axle swing motor is connected with described probe socket;
A axle swing module comprises A axle swing motor, and the output of described swing motor is connected with probe.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type further comprise described B axle swing motor, C axle swing motor, the coaxial respectively signal feedback device that is connected with of A axle swing motor.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type comprise that further the workpiece rotating module comprises a rotating module or two rotating modules, a described rotating module is fixed at the testing district by a rotating base, be connected with rotary electric machine, workpiece pendulous device on the described rotating base, described rotary electric machine is connected with the workpiece pendulous device by actuating unit, and described workpiece pendulous device is provided with balance device; Described two rotating modules are equipped with two driver modules between the rotating base of a rotating module and testing district.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type comprise that further described two driver modules comprise base, two spindle motors of fixedlying connected with base be located between rotating base and the testing district, are fixed in the drive spindle on the rotating base, described two spindle motors drive with described drive spindle and are connected, and are fixed with stop means between described drive spindle and the base.
According to another preferred embodiment, three-six three-dimensional failure detectors of combined type comprise that further described actuating unit is the turbine and worm kind of drive, described worm screw is connected with rotary electric machine, worm screw is connected with turbine, with the coaxial transmission shaft that is connected with of described turbine, described transmission shaft is connected with the workpiece pendulous device.
The invention has the beneficial effects as follows: by the numerically-controlled machine multiaxis, the notion of multifreedom motion control, and through structural optimization, X-axis by orthogonal space, Y-axis, the Z axle move with arbitrary axial rotation and workpiece realize the 1-2 axle rotate make up after, can realize 3-6 degree of freedom of 3-6 axle automatic detection system of popping one's head in, reduced the amount of exercise of probe, the signal of probe can not need rotary connector and be directly connected to the ultrasonic card of nondestructive examination system, it is succinct to have ultrasound subsystem, reliable advantage, and effectively the centering small workpiece is surveyed.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiments of the present invention;
Fig. 2 is the structural representation of another preferred embodiment of Fig. 1 of the present invention middle and lower part kinematic system;
Fig. 3 is the side view of y-axis shift dynamic model piece among Fig. 1;
Fig. 4 is the side view of Z axle mobile module among Fig. 1;
Fig. 5 is the mounted inside structural representation of Fig. 4;
Among the figure: 1, hood, 2, main beam, 3, first slide block, 4, first guide rail, 5, frame, 6, X-axis crossbeam supporting plate, 7, pedestal, 8, the X-axis driving member, 9, first shaft coupling, 10, the X-axis grating, 11, the X-axis motor, 12, connecting hole, 13, y-axis motor, 14, motor cabinet, 15, second shaft coupling, 16, the Y-axis driving member, 17, concentric sleeve, 18, the Y-axis guide rail, 19, second slide block, 20, retainer, 21, motor plate, 22, Z axle column, 23, the Z spindle motor, 24, the 3rd shaft coupling, 25, Z through-drive part, 26, the 3rd slide block, 27, first web member, 28, second guide rail, 29, Four-slider, 30, the Z axis rail, 31, the probe polished rod, 32, the Y-axis grating, 33, bearing arrangement, 34, probe, 35, second web member, 36, the yaw pedestal, 37, B axle swing motor, 38, probe socket, 39, the B shaft encoder, 40, transition sleeve, 41, C axle swing motor, 42, the C shaft encoder, 43, A axle swing motor, 44, the A shaft encoder, 45, the testing district, 46, rotating base, 47, rotary electric machine, 48, the workpiece pendulous device, 49, balance device, 50, worm screw, 51, turbine, 52, transmission shaft, 53, two spindle motors, 54, drive spindle, 55, base, 56, stop means.
Embodiment
The present invention is further detailed explanation with preferred embodiment in conjunction with the accompanying drawings now.These accompanying drawings are the synoptic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Shown in Fig. 1-2, three-six three-dimensional failure detectors of a kind of combined type, the frame 5 that comprises fixing whole device, described frame 5 is provided with top kinematic system, bottom kinematic system, described top kinematic system comprises the mobile module that drive probe 34 X-axis along orthogonal space, Y-axis, Z-direction move, and described top kinematic system is connected with described frame 5 by main beam 2.The top kinematic system also comprises the swing module of single shaft direction.The bottom motion comprises that supporting workpiece winds the workpiece rotating module that rotates and move smaller or equal to two axles, and described workpiece rotating module is connected with testing district 45.
After X-axis, Y-axis, Z axle by orthogonal space moves and arbitrary axial rotation and workpiece realize that the 1-2 axle rotates combination, can realize 3-6 degree of freedom probe of 3-6 axle 34 automatic detection systems, reduced 34 the amount of exercise of popping one's head in, probe 34 signal can not need rotary connector and be directly connected to the ultrasonic card of nondestructive examination system, have succinct, the reliable advantage of ultrasound subsystem, and effectively the centering small workpiece is surveyed.
Mobile module comprises X-axis mobile module as shown in Figure 1, be connected by first guide rail 4 and with first slide block 3 that first guide rail 4 cooperates between described main beam 2 and the frame 5, main beam 2 is connected with X-axis crossbeam supporting plate 6, be connected with X-axis driving member 8 by pedestal 7 on the described X-axis crossbeam supporting plate 6, first shaft coupling 9 that passes through of described X-axis driving member 8 is connected with X-axis motor 11, X-axis driving member 8 two ends are provided with bearing seat, on the direction of motion of X-axis mobile module, be provided with the position sensible element of X-axis, this programme is selected grating 10 for use, the feedback system of servo-drive system or stepper motor needs X-axis grating 10 that the information of X-axis movement position is provided, and X-axis driving member 8 is guaranteed the depth of parallelism of three at directions X with X-axis grating 10 by the accurate processing on X crossbeam supporting plate 6.
Wherein, the structure of first guide rail 4 is the guide rail of cylindrical slideway, square rail, ram form, and described first slide block, 3 structures match with first guide rail, 4 structures.For small-scale structure, the guide rail slide block can use cylindrical structure, also can use the finished product square structure, be exactly that slide block 3 among this programme figure is installed on unitized construction on the square guide rail 4, can also use ram structure, adopt on the laminating or plastic-sticking guiding rail of guide rail and static pressure oil film structure is set in the junction of the main beam 2 and first guide rail 4.
As shown in Figure 3, y-axis shift dynamic model piece, comprise the connecting hole 12 that is arranged on Y direction on the main beam 2, be provided with the y-axis motor 13 that drives y-axis shift dynamic model piece in the described connecting hole 12, described y-axis motor 13 is fixedlyed connected with a motor cabinet 14, described motor cabinet 14 is fixed on the frame 5, be connected with the motion that Y-axis driving member 16 drives the Y direction by second shaft coupling 15 and described y-axis motor 13, precision in the direction of motion of Y-axis guarantees in the Y-axis position sensible element of this direction, Y-axis grating 32 is adopted in this case, be provided with concentric sleeve 17 with its concentric on the described Y-axis driving member 16, also be fixed with Y-axis guide rail 18 on the described frame 5, cooperate with described Y-axis guide rail 18 and to be provided with two second slide blocks 19, fixedly connected by a retainer 20 between described second slide block 19 and the concentric sleeve 17, described retainer 20 is fixedlyed connected with X-axis crossbeam supporting plate 6.Retainer 20 can reduce the microdeformation that Z axle load off-centre causes.
Shown in Fig. 4-5, Z axle mobile module, comprise the motor plate 21 that is fixed on the frame 5, the Z axle column 22 of fixedlying connected with motor plate 21, on the described motor plate 21 Z spindle motor 23 is installed, be connected with Z through-drive part 25 by the 3rd shaft coupling 24 with Z spindle motor 23 in the described Z axle column 22, described Z through-drive part 25 is provided with the 3rd slide block 26, be connected by first web member 27 between described Z axle column 22 and the X-axis crossbeam supporting plate 6, described first web member 27 is provided with second guide rail 28 of the axially parallel of a pair of and X-axis crossbeam supporting plate 6, described second guide rail 28 places the both sides up and down of X-axis crossbeam supporting plate 6, enlarged to greatest extent the Z axle up and down with the reach of X-axis crossbeam supporting plate 6, be connected by Four-slider 29 between second guide rail 28 and the X-axis crossbeam supporting plate 6, in order to guarantee verticality, by groove version activity clamping, can place thin type flat key location between the surface of contact of described first web member 27 and Z axle column 22; Be fixedly connected with the Z axis rail 30 that cooperates with the 3rd slide block 26 with the groove structure on the described Z axle column 22, be connected with probe polished rod 31 with described the 3rd slide block 26.
Move up and down to the load of lower bearing in order to reduce the Z axle, the bearing arrangement 33 that is provided with in the bottom of Z axle column 22 is 2 supporting constructions of duplex bearing or single-point supporting construction.
Be provided with Z shaft position sensing element equally on Z axle mobile module travel direction, be Z axle grating, the usefulness screw is fastening links to each other for the read head of Z axle grating and the 3rd slide block 26 or probe polished rod 31.
Probe polished rod 31 inside are monolateral hollow-core construction by monolateral Milling Process.When the structure of design Z axle mobile module, polished rod 31 inner monolateral Milling Process become monolateral hollow-core construction by popping one's head in, make the center of probe polished rod 31 reduce the distance with Z axis rail 30 as far as possible, the moment of torsion of bringing for X-axis crossbeam supporting plate 6 with the off-centre that reduces probe polished rod 31.
Be connected with probe 34 with described probe polished rod 31 ends by locking device, guarantee the precision of positioning and directing, probe 34 wherein can be single probe, also the probe group can be installed, to adapt to different detection process, as bistatic, double crystal probe, TOFD or phased array probe, or be used for improving detection efficiency.
Linear motor driving in each mobile module adopts stepper motor or servomotor coaxial or drive coupled parts through the coaxial or non-coaxial drive driving member of speed change mode by shaft coupling, and the definition of each should be observed cartesian coordinate system definition criterion.Driving member can be preferably the ball-screw driving member.
The swing module of single shaft direction is B axle swing module or C axle swing module or A axle swing module, be connected with probe 34 with described probe polished rod end, the swing module of single shaft direction is arranged between probe polished rod 31 and the probe 34, the swing module of described single shaft direction is fixedlyed connected with described probe polished rod 31 by second web member 35, check bolt or similar structure will be set in concrete application structure, any variation does not take place in 34 angle to guarantee to pop one's head in, also non-threaded structure be can take, reliable installation, reliable directed and location guaranteed.
When flaw detection when not needing the yaw structure, can implement flaw detection according to the angle of the probe 34 directions decision of process requirements decision, can carry out probe 34 mounting meanss of plane compressional wave flaw detection to workpiece, mode such as can adopt interference fit or be threaded.
Need change the flaw detection angle along with the variation of surface of the work if survey, the swing module of single shaft direction is selected B axle swing module, be connected with yaw pedestal 36 with described second web member 35, yaw pedestal 36 is provided with the probe socket 38 that drives by B axle swing motor 37, be coaxially connected with B shaft encoder 39 with B axle swing motor 37 on the probe socket 38, described probe 34 adopts interference fit or mode such as be threaded is connected on probe socket 38, according to the needs of high resolution scanning, can adopt point focusing probe, line focus probe or dotted line combined focus probe.
When the swing module that needs the single shaft direction in different positions during with different angle detection workpiece, the swing module of single shaft direction is selected C axle swing module, comprise the transition sleeve 40 of fixedlying connected with described second web member 35, be equipped with C axle swing motor 41 in the described transition sleeve 40 and swing the motor 41 coaxial detection feedback assembly C shaft encoders 42 that are connected with the C axle, 41 outputs of described C axle swing motor are connected with described probe socket 38.
A axle swing module, comprise A axle swing motor 43, with the A axle swing motor 43 coaxial A shaft encoders 44 that are connected, the output of described swing motor 34 is connected with popping one's head in, and carries out accurate coordinate detection in 34 360 ° the scope of can realizing popping one's head in.
In order to satisfy the requirement of complicated more curved surface flaw detection, when the detecting structure of the probe of using above-mentioned four four-degree-of-freedoms, can be installed on workpiece by anchor clamps on the workpiece rotating module of 1-2 degree of freedom of 1-2 axle.
The workpiece rotating module comprises a rotating module or two rotating modules, a described rotating module is fixed at testing district 45 by a rotating base 46, be connected with rotary electric machine 47, workpiece pendulous device 48 on the described rotating base 46, described rotary electric machine 47 is adorned 48 by the swing of actuating unit and workpiece and is put and be connected, and described workpiece pendulous device 48 is provided with balance device 49; Described two rotating modules are equipped with two driver modules between the rotating base 46 of a rotating module and testing district 45.
Wherein select the form of counterbalance weight among balance device 49 the present invention,, the counterbalance weight of plumbous matter is installed above the workpiece pendulous device for the unbalanced moments that the center of gravity that reduces the workpiece pendulous device is caused on the lower side.
Actuating unit is the turbine and worm kind of drive, and described worm screw 50 is connected with rotary electric machine 47, and worm screw 50 is connected with turbine 51, and with the described turbine 51 coaxial transmission shafts 52 that are connected with, described transmission shaft 52 is connected with workpiece pendulous device 48.
Two driver modules comprise base 55, two spindle motors 53 of fixedlying connected with base 55 be located between rotating base 46 and the testing district 45, are fixed in the drive spindle 54 on the rotating base 46, described two spindle motors 53 drive with described drive spindle 54 and are connected, and are fixed with stop means 56 between described drive spindle 54 and the base 55.
For the moment of reducing friction, installation shaft bearing structure 33 is on base, and for the motion of the above-below direction that retrains drive spindle 54, stop means 56 adopts limiting plates to insert in the ring groove of drive spindles 54, and is connected on the base 55 by bolt.For make, easy for installation, limiting plate adopts the structure of two parts split.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the instructions, must determine its technical scope according to the claim scope.
Claims (12)
1. three-six three-dimensional failure detectors of a combined type, the frame that comprises fixing whole device, described frame is provided with top kinematic system, bottom kinematic system, it is characterized in that: described top kinematic system comprises and drives the mobile module that probe assembly moves along X-axis, Y-axis, the Z-direction of orthogonal space that described top kinematic system is connected with described frame by main beam;
Described mobile module comprises:
The X-axis mobile module, be connected by first guide rail and with first slide block that first guide rail cooperates between described main beam and the frame, be connected with X-axis crossbeam supporting plate on the described main beam, be fixed with X-axis driving member on the described X-axis crossbeam supporting plate by the motion of X-axis motor-driven;
Y-axis shift dynamic model piece, on the Y direction on the main beam, be provided with the y-axis motor that drives y-axis shift dynamic model piece, be connected with the Y-axis driving member with described y-axis motor, y-axis motor is connected with frame, also be fixed with the Y-axis guide rail on the described frame, cooperate with described Y-axis guide rail to be provided with second slide block, be connected by retainer between described second slide block and the Y-axis driving member;
Z axle mobile module, comprise the Z spindle motor of fixedlying connected with frame, the Z spindle motor is connected with Z through-drive part, described Z through-drive part is provided with the 3rd slide block, cooperate with the 3rd slide block and to be provided with the Z axis rail, be connected with the probe polished rod on described the 3rd slide block, described Z axis rail fixing with a Z axle column on, Z axle column is connected with X-axis crossbeam supporting plate by first web member.
2. three-six three-dimensional failure detectors of combined type according to claim 1, it is characterized in that: described bottom kinematic system comprises that supporting workpiece winds the workpiece rotating module that rotates and move smaller or equal to two axles, and described workpiece rotating module is connected with the testing district.
3. three-six three-dimensional failure detectors of combined type according to claim 1 is characterized in that: described top kinematic system also comprises the swing module of single shaft direction.
4. three-six three-dimensional failure detectors of combined type according to claim 1, it is characterized in that: X-axis crossbeam supporting plate be provided with second guide rail with its axially parallel, be equipped with Four-slider on second guide rail, be connected activity clamping between described first web member and the Z axle column with Four-slider by second guide rail between X-axis crossbeam supporting plate first web member.
5. three-six three-dimensional failure detectors of combined type according to claim 1 is characterized in that: be respectively equipped with position sensing element on the direction of motion of described X-axis mobile module, y-axis shift dynamic model piece, Z axle mobile module.
6. three-six three-dimensional failure detectors of combined type according to claim 1 is characterized in that: the bearing arrangement that is provided with in the bottom of described Z axle column is 2 supporting constructions of duplex bearing or single-point supporting construction.
7. three-six three-dimensional failure detectors of combined type according to claim 1 is characterized in that: described probe polished rod inside is monolateral hollow-core construction.
8. three-six three-dimensional failure detectors of combined type according to claim 3, it is characterized in that: the swing module of single shaft direction is B axle swing module or C axle swing module or A axle swing module, be connected with probe with described probe polished rod end, the swing module of described single shaft direction is arranged between probe polished rod and the probe, the swing module of described single shaft direction is fixedlyed connected with described probe polished rod by second web member
B axle swing module is connected with the yaw pedestal with described second web member, and the yaw pedestal is provided with by the B axle and swings motor-driven probe socket, and described probe is arranged on the probe socket;
C axle swing module comprises the transition sleeve of fixedlying connected with described second web member, is equipped with C axle swing motor in the described transition sleeve, and the output of described C axle swing motor is connected with described probe socket;
A axle swing module comprises A axle swing motor, and the output of described swing motor is connected with probe.
9. three-six three-dimensional failure detectors of combined type according to claim 8 is characterized in that: described B axle swing motor, C axle swing motor, the coaxial respectively signal feedback device that is connected with of A axle swing motor.
10. three-six three-dimensional failure detectors of combined type according to claim 2, it is characterized in that: the workpiece rotating module comprises a rotating module and two rotating modules, a described rotating module is fixed at the testing district by a rotating base, be connected with rotary electric machine, workpiece pendulous device on the described rotating base, described rotary electric machine is connected with the workpiece pendulous device by actuating unit, and described workpiece pendulous device is provided with balance device; Described two rotating modules are equipped with two driver modules between the rotating base of a rotating module and testing district.
11. three-six three-dimensional failure detectors of combined type according to claim 10, it is characterized in that: described two driver modules comprise base, two spindle motors of fixedlying connected with base be located between rotating base and the testing district, are fixed in the drive spindle on the rotating base, described two spindle motors drive with described drive spindle and are connected, and are fixed with stop means between described drive spindle and the base.
12. three-six three-dimensional failure detectors of combined type according to claim 10, it is characterized in that: described actuating unit is the turbine and worm kind of drive, described worm screw is connected with rotary electric machine, worm screw is connected with turbine, with the coaxial transmission shaft that is connected with of described turbine, described transmission shaft is connected with the workpiece pendulous device.
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| CN201110076272.6A CN102207489B (en) | 2011-03-29 | 2011-03-29 | Combined three-dimension flaw detection device of 3-6 shafts |
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| CN201110076272.6A CN102207489B (en) | 2011-03-29 | 2011-03-29 | Combined three-dimension flaw detection device of 3-6 shafts |
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| CN103940913B (en) * | 2014-04-30 | 2016-06-01 | 宁波市特种设备检验研究院 | Automatic scanning device for TOFD test block |
| CN105675716A (en) * | 2014-11-20 | 2016-06-15 | 上海金艺检测技术有限公司 | Irregular-workpiece water immersion method flaw detection apparatus |
| CN105486745A (en) * | 2015-12-10 | 2016-04-13 | 中国石油大学(华东) | Defect signal high-precision space imaging system and method based on alternating-current electromagnetic field |
| CN107869963B (en) * | 2017-11-16 | 2020-11-24 | 深圳立仪科技有限公司 | Measuring device |
| CN110243460B (en) * | 2019-05-16 | 2021-02-09 | 西安交通大学 | Ultrasonic sound field measuring device and method |
| CN111986822B (en) * | 2020-07-27 | 2022-11-29 | 哈尔滨工业大学 | X-ray characterization detector precision adjustment carrying mechanism |
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