CN106770685A - Urnium-base alloy fuel pellet supersonic detection device - Google Patents
Urnium-base alloy fuel pellet supersonic detection device Download PDFInfo
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- CN106770685A CN106770685A CN201611217735.5A CN201611217735A CN106770685A CN 106770685 A CN106770685 A CN 106770685A CN 201611217735 A CN201611217735 A CN 201611217735A CN 106770685 A CN106770685 A CN 106770685A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
Abstract
The present invention relates to ultrasonic detecting technology field, specifically disclose urnium-base alloy fuel pellet supersonic detection device, including eight passage probe regulating devices, tail top component, taper sleeve component, door frame, holddown spring, guide rail, pedestal, motor, gantry motor and tapered sleeve motor.Wherein, eight passage probe regulating devices, tail top component and taper sleeve component are on guide rail, tail top component is located at the right side of eight passage probe regulating devices, taper sleeve component is located at the left side of eight passage probe regulating devices, eight passage probe regulating devices, tail top component and taper sleeve component is controlled to be moved left and right on guide rail respectively by motor, gantry motor and tapered sleeve motor, clamping bar carries out ultrasound detection.Apparatus of the present invention are using various method integrations, applied widely, certainty of measurement be high, testing result being capable of Real-time Collection and intellectual analysis, it is ensured that the accuracy and reliability of testing result.
Description
Technical field
The invention belongs to ultrasonic detecting technology field, and in particular to a kind of urnium-base alloy fuel pellet supersonic detection device.
Background technology
Urnium-base alloy pellet may produce central pipe, loose, folder after extruding, quenching from blank ingot casting inside it
The defects such as slag, longitudinal crack and transversal crack.Therefore urnium-base alloy pellet need to be detected a flaw with reference to various supersonic detection methods,
Ensure its quality.
The ultrasonic inspection of current urnium-base alloy pellet is to coordinate its inside of completion all kinds of scarce by three ultrasonic detection equipments
Sunken detection, detection efficiency is low, the scope of application is small, digitized degree is low, and testing result is stored by electrothermal sensitive recording paper,
It is unfavorable for preserving, it is difficult to meet the demand of modern production detection.
The content of the invention
It is an object of the invention to provide a kind of urnium-base alloy fuel pellet supersonic detection device, can realize closing uranium base
The multi-faceted detection of golden fuel pellet internal soundness.
Technical scheme is as follows：
Urnium-base alloy fuel pellet supersonic detection device, it is characterised in that：Including eight passage probe regulating devices, tail top group
Part, taper sleeve component, door frame, holddown spring, guide rail, pedestal, motor, gantry motor, tapered sleeve motor；
Eight described passage probe regulating devices include base plate, side plate, top board, connector and probe hanger component；
Described base plate, side plate, top board are strip thin plate；
Described base plate includes upper surface, lower surface, left surface, right flank, leading flank and trailing flank；
Described side plate has two pieces, and one piece is fixedly connected with the upper surface left side of base plate, another piece with the upper surface of base plate
Right side is fixedly connected；
Two blocks of described side plates are parallel to each other and vertical with base plate；
Described top board is located at two pieces of tops of side plate, and top board is parallel to each other with base plate；
Described connector one end is fixedly connected with top board, and the other end is fixedly connected with the connecting plate of probe hanger component；
The axis of described connector is orthogonal with top board；
Described probe hanger component includes connecting plate, four fixed plates and eight single channel probe regulating devices；
Eight described single channel probe regulating devices are respectively arranged on the both sides of connecting plate, wherein four are located at the same side,
Four additional is located at opposite side, and the axis of eight single channel probe regulating devices is parallel to each other；
Four described fixed plates are in the same plane, respectively side by side located at connecting plate top, fixed plate be connected
Plate is orthogonal；
A described single channel probe regulating device includes probe adjusting bracket, probe clamping position, probe locking screw
Nail, deflection adjusting screw, centering adjusting screw, horizontal adjustment screw and vertical adjusting screw；
Described probe clamping position is located at the lower section of probe adjusting bracket, and the axis at probe clamping position is mutual with connecting plate
It is perpendicular；
Described lock-screw is located at the side at probe clamping position, the axis of lock-screw and the axle at probe clamping position
Line is orthogonal；
Described probe is fixed by lock-screw and popped one's head in located at probe clamping position, and probe is same with probe clamping position
Axle, when changing probe, counterclockwise turns probe and pulls down, and new probe is loaded onto afterwards；
Bar is sandwiched in the middle of the probe of connecting plate both sides located at the lower section of connecting plate, and the axis of bar is popped one's head in each passage
It is orthogonal；
Described deflection adjusting screw has two, is respectively arranged in probe adjusting bracket, positioned at the upper of probe clamping position
Side, the axis for deflecting adjusting screw is parallel to each other with the axis at probe clamping position, for carrying out 360 ° of deflection regulations to probe；
Described centering adjusting screw is located in probe adjusting bracket, positioned at two sides of deflection adjusting screw, centering
The axis of adjusting screw is parallel to each other with the axis at probe clamping position, for carrying out horizontal centring regulation to probe；
Described horizontal adjustment screw is located in probe adjusting bracket, positioned at two tops of deflection adjusting screw, level
The axis of adjusting screw is parallel to each other with the axis at probe clamping position, the horizontal range for adjusting the relative bar of probe；
Described vertical adjusting screw runs through the upper and lower surface of fixed plate and is connected with probe adjusting bracket, vertically
The axis of the axis of adjusting screw, the axis of horizontal adjustment screw and lock-screw is orthogonal, and vertical adjusting screw is used for
The vertical range of the relative bar of regulation probe；
Described guide rail has two, parallel to each other, is separately fixed on pedestal；
On guide rail, motor is connected the base plate of eight described passage probe regulating devices with base plate, and control base plate drives
Eight passage probe regulating devices are moved left and right on guide rail；
Described tail top component includes tail centre, control-rod and tail upper frame, and tail centre is fixedly connected with one end of control-rod,
The other end of control-rod is fixedly connected with tail upper frame, and tail upper frame is located on guide rail, positioned at the right side of eight passage probe regulating devices；
Located at the right side of tail upper frame, door frame is connected described door frame with tail upper frame by holddown spring, in compaction process
Ensure that door frame is opposing parallel with tail upper frame；
Described gantry motor is connected with door frame, and control door frame is moved left and right on guide rail, and then drives tail top component to exist
Moved left and right on guide rail；
Described taper sleeve component includes taper bushing, feeler lever and tapered sleeve frame, and taper bushing is fixedly connected with one end of feeler lever, feeler lever
The other end be fixedly connected with tapered sleeve frame, tapered sleeve frame is fixed on guide rail, positioned at the left side of eight passage probe regulating devices；
Described tapered sleeve motor is connected by belt with taper bushing, controls it to rotate.
Described tail centre, taper bushing and bar are coaxial, and one end of bar contacts with tail centre, and the other end is located at taper bushing
In.
The length span that the bar gos deep into taper bushing is 2-7mm.
The chamfering of described tail top component control-rod and the taper of taper sleeve component feeler lever with bar, the cooperation of tail apical pore.
Described tail top component control-rod and taper sleeve component feeler lever does antirust treatment.
Each described single channel probe regulating device is all adjusted in four direction：Vertical direction, horizontal direction, around parallel
In bar axis direction, around perpendicular to bar axis direction.
Loosen deflection adjusting screw and centering adjusting screw, keep damping force, regulation probe is deflected to neutralizing, after regulating
Tighten deflection adjusting screw and centering adjusting screw.
The position that horizontal adjustment screw and vertical adjusting screw detect parameter request to bar is adjusted with inner hexagon spanner.
Described base plate, side plate and top board are made of 45# steel.
Described connector, probe hanger component, tail top component, taper sleeve component, guide rail are made of 304 stainless steels.
Remarkable result of the invention is：
(1) apparatus of the present invention use various method integrations, applied widely, certainty of measurement is high, testing result can be real-time
Collection and intellectual analysis.
(2) apparatus of the present invention pass through setting for accurate calculating, rational deployment and the probe regulating device of eight probe arrangement positions
Meter is developed, and solves the problems, such as that each channel ultrasonic acoustic beam is interfered, and realizes seven kinds of highly integrated, detection efficiencies of method
Significantly improve.
(3) unique design of apparatus of the present invention tail top component and taper sleeve component, can be applied to a diameter of 8-30mm, length
It is the ultrasound detection of the urnium-base alloy pellet of 100-900mm, and the ultrasound detection of other bar products can be applied to, improves
System suitability.
(4) apparatus of the present invention combine flaw detection software and use, and can simultaneously realize the collection of eight channel signals, process and aobvious
Show, be easy to the comparison of same defects, it is ensured that the accuracy and reliability of testing result.
Brief description of the drawings
Fig. 1 is the passage probe regulating device front view of bar ultrasound detection eight；
Fig. 2 is the passage probe regulating device left view of bar ultrasound detection eight；
Fig. 3 is the passage probe regulating device top view of bar ultrasound detection eight；
Fig. 4 is probe hanger component diagram；
Fig. 5 is tail top component schematic diagram；
Fig. 6 is taper sleeve component schematic diagram.
In figure：1. base plate；2. side plate；3. top board；4. connector；5. pop one's head in hanger component；6. probe clamping position；7. lock
Tight screw；8. adjusting screw is deflected；9. centering adjusting screw；10. horizontal adjustment screw；11. vertical adjusting screws；12. tail tops
Point；13. control-rods；14. tail upper frames；15. taper bushings；16. feeler levers；17. tapered sleeve framves.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
Urnium-base alloy fuel pellet supersonic detection device as Figure 1-3, including eight passage probe regulating devices, tail top
Component, taper sleeve component, door frame, holddown spring, guide rail, pedestal, motor, gantry motor, tapered sleeve motor.
Eight described passage probe regulating devices include base plate 1, side plate 2, top board 3, connector 4 and probe hanger component 5.
Described base plate 1, side plate 2 and top board 3 are used for the fixation of probe regulating device, are made of 45# steel, connector
4 and probe hanger component 5 because needing long period of soaking in water, be made of 304 stainless steels.
Described base plate 1, side plate 2 and top board 3 are strip thin plate.
Described base plate 1 includes upper surface, lower surface, left surface, right flank, leading flank and trailing flank.
Described side plate 2 has two pieces, and one piece is fixedly connected with the upper surface left side of base plate 1, another piece with the upper table of base plate 1
Right side of face is fixedly connected.Two blocks of side plates 2 are parallel to each other, and vertical with base plate 1.
Described top board 3 is located at two pieces of tops of side plate 2, and top board 3 is parallel to each other with base plate 1.
Described one end of connector 4 is fixedly connected with top board 3, and the other end is fixed with the connecting plate of probe hanger component 5 and connected
Connect.The axis of the connector 4 is orthogonal with top board 3.
Described probe hanger component 5 includes connecting plate, four fixed plates and eight single channel probe regulating devices, eight
Single channel probe regulating device is respectively arranged on the both sides of connecting plate, wherein four are located at the same side, four additional is located at opposite side,
The axis of eight single channel probe regulating devices is parallel to each other.Four described fixed plates are in the same plane, respectively side by side
Located at the top of connecting plate, fixed plate is orthogonal with connecting plate.
A described single channel probe regulating device includes probe adjusting bracket, probe clamping position 6, probe locking screw
Nail 7, deflection adjusting screw 8, centering adjusting screw 9, horizontal adjustment screw 10 and vertical adjusting screw 11.Each described single-pass
Road probe regulating device can all be adjusted in four direction：Vertical direction, horizontal direction, around parallel to bar axis direction, around hang down
Directly in bar axis direction.
Described probe clamping position 6 is located at the lower section of probe adjusting bracket, the axis and connecting plate at probe clamping position 6
It is orthogonal.
Described lock-screw 7 is located at the side at probe clamping position 6, axis and the probe clamping position 6 of lock-screw 7
Axis it is orthogonal.
Described probe is fixed by lock-screw 7 and popped one's head in located at probe clamping position 6, is popped one's head in and probe clamping position 6
Coaxially.When changing probe, pulled down by counterclockwise turning probe, new probe is loaded onto afterwards.
Bar is sandwiched in the middle of the probe of connecting plate both sides located at the lower section of connecting plate, and the axis of bar is popped one's head in each passage
It is orthogonal.
Described deflection adjusting screw 8 has two, is respectively arranged in probe adjusting bracket, positioned at probe clamping position 6
Top, the axis for deflecting adjusting screw 8 is parallel to each other with the axis at probe clamping position 6, for carrying out 360 ° of deflections to probe
Regulation.
Described centering adjusting screw 9 is right positioned at two sides of deflection adjusting screw 8 in probe adjusting bracket
The axis of middle adjusting screw 9 is parallel to each other with the axis at probe clamping position 6, and horizontal centring regulation is carried out for probe.
Described horizontal adjustment screw 10 is located in probe adjusting bracket, positioned at two tops of deflection adjusting screw 8, water
The axis of flat adjusting screw 10 is parallel to each other with the axis at probe clamping position 6, for adjust the level of the relative bar of probe away from
From.
Described vertical adjusting screw 11 runs through the upper and lower surface of fixed plate and is connected with probe adjusting bracket, erects
The axis of the axis, the axis of horizontal adjustment screw 10 and lock-screw 7 of straight adjusting screw 11 is orthogonal, and spiral shell is adjusted vertically
Nail 11 is used to adjust the vertical range of the relative bar of probe.
Loosen deflection adjusting screw 8 and centering adjusting screw 9, keep certain damping force, regulation probe is deflected to neutralizing,
Above-mentioned two screw is tightened after regulating.Horizontal adjustment screw 10 and vertical adjusting screw 11 to bar are adjusted with inner hexagon spanner
Detect the position of parameter request.
Described guide rail has two, parallel to each other, is separately fixed on pedestal.
On guide rail, motor is connected the base plate 1 of eight described passage probe regulating devices with base plate 1, controls the band of base plate 1
Dynamic eight passage probe regulating devices are moved left and right on guide rail.
Described tail top component includes tail centre 12, control-rod 13 and tail upper frame 14, tail centre 12 and the one of control-rod 13
End is fixedly connected, and the other end of control-rod 13 is fixedly connected with tail upper frame 14, and tail upper frame 14 is visited on guide rail positioned at eight passages
The right side of head adjusting means.
Described door frame is connected by holddown spring with tail upper frame 14, compressed located at the right side of tail upper frame 14, door frame
Ensure that door frame is opposing parallel with tail upper frame 14, buffers, it is ensured that the uniform force of tail centre 12 to tail centre 12 in journey.Gantry motor
It is connected with door frame, control door frame is moved left and right on guide rail, and then drives tail top component to be moved left and right on guide rail.
Described taper sleeve component includes taper bushing 15, feeler lever 16 and tapered sleeve frame 17, and taper bushing 15 is consolidated with one end of feeler lever 16
Fixed connection, the other end of feeler lever 16 is fixedly connected with tapered sleeve frame 17, and tapered sleeve frame 17 is fixed on guide rail, positioned at eight passages probe
The left side of adjusting means.Tapered sleeve motor is connected by belt with taper bushing 15, controls it to rotate.
Described tail centre 12, taper bushing 15 and bar are coaxial, and one end of bar contacts with tail centre 12, and the other end is located at
In taper bushing 15, the length span for going deep into taper bushing 15 is 2-7mm.
The chamfering of described tail top component control-rod 13 and the taper of taper sleeve component feeler lever 16 with bar, the cooperation of tail apical pore,
It is good with certain intensity and hardness, wearability, and do antirust treatment.
Described tail top component, taper sleeve component, guide rail, to ensure accuracy of detection, is made of the stainless steel of high-quality 304.
When being detected, each motor is opened, eight passage probe regulating device clamping bars, and along guide rail to taper sleeve component
It is mobile, while door frame drives taper sleeve component to be moved to eight passage probe regulating devices, until one end of bar connects with tail centre 12
Touch, in other end insertion taper bushing 15, and then taper bushing 15 drives bar to be rotated along bar axis, completes spiral trajectory and sweeps
Look into.
Present apparatus synthesis compressional wave defect reflection method, compressional wave Bottom echo method, shear wave offsetting, shear wave gradient method and K-type
The seven kinds of method subregion scannings of dual probe through transmission technique, are successfully realized to the urnium-base alloy accurate objective appraisal of pellet internal soundness.
The features such as present apparatus has high precision, convenient measurement, highly versatile, can in real time show, stores, plays back, analyze testing result,
Online real-time calibration is capable of achieving with detection.
Claims (10)
1. urnium-base alloy fuel pellet supersonic detection device, it is characterised in that：Including eight passage probe regulating devices, tail top group
Part, taper sleeve component, door frame, holddown spring, guide rail, pedestal, motor, gantry motor, tapered sleeve motor；
Eight described passage probe regulating devices include base plate (1), side plate (2), top board (3), connector (4) and probe hanger group
Part (5)；
Described base plate (1), side plate (2), top board (3) are strip thin plate；
Described base plate (1) includes upper surface, lower surface, left surface, right flank, leading flank and trailing flank；
Described side plate (2) has two pieces, and one piece is fixedly connected with the upper surface left side of base plate (1), and another piece upper with base plate (1)
Surface right side is fixedly connected；
Two pieces of described side plates (2) are parallel to each other, and vertical with base plate (1)；
Described top board (3) is located at two pieces of tops of side plate (2), and top board (3) is parallel to each other with base plate (1)；
Described connector (4) one end is fixedly connected with top board (3), and the other end is fixed with the connecting plate of probe hanger component (5)
Connection；
The axis of described connector (4) is orthogonal with top board (3)；
Described probe hanger component (5) includes connecting plate, four fixed plates and eight single channel probe regulating devices；
Eight described single channel probe regulating devices are respectively arranged on the both sides of connecting plate, wherein four are located at the same side, in addition
Four are located at opposite side, and the axis of eight single channel probe regulating devices is parallel to each other；
Four described fixed plates are in the same plane, and respectively side by side located at the top of connecting plate, fixed plate is mutual with connecting plate
It is perpendicular；
A described single channel probe regulating device includes probe adjusting bracket, probe clamping position (6), probe lock-screw
(7), deflection adjusting screw (8), centering adjusting screw (9), horizontal adjustment screw (10) and vertical adjusting screw (11)；
Described probe clamping position (6) is located at the lower section of probe adjusting bracket, the axis and connecting plate of probe clamping position (6)
It is orthogonal；
Described lock-screw (7) is located at the side of probe clamping position (6), axis and the probe clamping portion of lock-screw (7)
The axis of position (6) is orthogonal；
Described probe is popped one's head in located at probe clamping position (6) by the way that lock-screw (7) is fixed, is popped one's head in and probe clamping position
(6) it is coaxial, when changing probe, counterclockwise turn probe and pull down, new probe is loaded onto afterwards；
Bar is sandwiched in the middle of the probe of connecting plate both sides located at the lower section of connecting plate, and the axis of bar is mutual with each passage probe
Vertically；
Described deflection adjusting screw (8) has two, is respectively arranged in probe adjusting bracket, positioned at probe clamping position (6)
Top, the axis of deflection adjusting screw (8) is parallel to each other with the axis of probe clamping position (6), for carrying out 360 ° to probe
Deflection regulation；
Described centering adjusting screw (9) is right positioned at two sides of deflection adjusting screw (8) in probe adjusting bracket
The axis of middle adjusting screw (9) is parallel to each other with the axis of probe clamping position (6), for carrying out horizontal centring tune to probe
Section；
Described horizontal adjustment screw (10) located at probe adjusting bracket on, positioned at two deflection adjusting screw (8) tops, water
The axis of flat adjusting screw (10) is parallel to each other with the axis of probe clamping position (6), the water for adjusting the relative bar of probe
Flat distance；
Described vertical adjusting screw (11) through fixed plate upper and lower surface and with probe adjusting bracket be connected, vertically
The axis of the axis, the axis of horizontal adjustment screw (10) and lock-screw 7 of adjusting screw (11) is orthogonal, vertically regulation
Vertical range of the screw (11) for the relative bar of regulation probe；
Described guide rail has two, parallel to each other, is separately fixed on pedestal；
On guide rail, motor is connected the base plate (1) of eight described passage probe regulating devices with base plate (1), control base plate (1)
Eight passage probe regulating devices are driven to be moved left and right on guide rail；
Described tail top component includes tail centre (12), control-rod (13) and tail upper frame (14), tail centre (12) and control-rod
(13) one end is fixedly connected, and the other end of control-rod (13) is fixedly connected with tail upper frame (14), and tail upper frame (14) is located at guide rail
On, positioned at the right side of eight passage probe regulating devices；
Described door frame is connected by holddown spring with tail upper frame (14), compressed located at the right side of tail upper frame (14), door frame
Ensure that door frame is opposing parallel with tail upper frame (14) in journey；
Described gantry motor is connected with door frame, and control door frame is moved left and right on guide rail, and then drives tail top component in guide rail
On move left and right；
Described taper sleeve component includes taper bushing (15), feeler lever (16) and tapered sleeve frame (17), taper bushing (15) and feeler lever (16)
One end is fixedly connected, and the other end of feeler lever (16) is fixedly connected with tapered sleeve frame (17), and tapered sleeve frame (17) is fixed on guide rail, position
In the left side of eight passage probe regulating devices；
Described tapered sleeve motor is connected by belt with taper bushing (15), controls it to rotate.
2. urnium-base alloy fuel pellet supersonic detection device as claimed in claim 1, it is characterised in that：Described tail centre
(12), taper bushing (15) and bar are coaxial, and one end of bar contacts with tail centre (12), and the other end is in taper bushing (15).
3. urnium-base alloy fuel pellet supersonic detection device as claimed in claim 2, it is characterised in that：The bar is deeply bored
The length span of sleeve pipe (15) is 2-7mm.
4. urnium-base alloy fuel pellet supersonic detection device as claimed in claim 3, it is characterised in that：Described tail top component
The taper of control-rod (13) and taper sleeve component feeler lever (16) coordinates with the chamfering of bar, tail apical pore.
5. urnium-base alloy fuel pellet supersonic detection device as claimed in claim 4, it is characterised in that：Described tail top component
Control-rod (13) and taper sleeve component feeler lever (16) do antirust treatment.
6. urnium-base alloy fuel pellet supersonic detection device as claimed in claim 5, it is characterised in that：Each described single-pass
Road probe regulating device is all adjusted in four direction：Vertical direction, horizontal direction, around parallel to bar axis direction, around vertical
In bar axis direction.
7. urnium-base alloy fuel pellet supersonic detection device as claimed in claim 6, it is characterised in that：Loosen deflection regulation spiral shell
Nail (8) and centering adjusting screw (9), keep damping force, and regulation probe is deflected to neutralizing, and deflection adjusting screw is tightened after regulating
And centering adjusting screw (9) (8).
8. urnium-base alloy fuel pellet supersonic detection device as claimed in claim 7, it is characterised in that：Adjusted with inner hexagon spanner
Horizontal adjusting screw (10) and vertical adjusting screw (11) detect the position of parameter request to bar.
9. urnium-base alloy fuel pellet supersonic detection device as claimed in claim 8, it is characterised in that：Described base plate (1),
Side plate (2) and top board (3) are made of 45# steel.
10. urnium-base alloy fuel pellet supersonic detection device as claimed in claim 9, it is characterised in that：Described connector
(4), probe hanger component (5), tail top component, taper sleeve component, guide rail are made of 304 stainless steels.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217735.5A CN106770685B (en) | 2016-12-26 | 2016-12-26 | Urnium-base alloy fuel pellet supersonic detection device |
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|---|---|---|---|
| CN201611217735.5A CN106770685B (en) | 2016-12-26 | 2016-12-26 | Urnium-base alloy fuel pellet supersonic detection device |
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| CN106770685A true CN106770685A (en) | 2017-05-31 |
| CN106770685B CN106770685B (en) | 2019-07-12 |
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| Title |
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| 宋慧生: "一种具有五个可调自由度的探头调节机构", 《无损检测》 * |
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| CN106770685B (en) | 2019-07-12 |
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