CN103293229B - A kind of ultrasonic probe clamp - Google Patents
A kind of ultrasonic probe clamp Download PDFInfo
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- CN103293229B CN103293229B CN201310225715.2A CN201310225715A CN103293229B CN 103293229 B CN103293229 B CN 103293229B CN 201310225715 A CN201310225715 A CN 201310225715A CN 103293229 B CN103293229 B CN 103293229B
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Abstract
The invention belongs to the ultrasonic detecting technology field in Non-Destructive Testing, be specifically related to a kind of ultrasonic probe clamp, object is the problem solving prior art, and provide one to be applicable to various sizes between probe external diameter 12mm-24mm, clamping is stable, scanning is steady, be coupled good a kind of ultrasonic probe clamp.It is characterized in that: base (3) is for inside and outside both sides are all with the ring texture of annular boss; Back-up block (2) for bottom is with the arcuate structure of boss, the screw-threaded engagement at boss Outboard Sections top inside the screw thread of back-up block (2) boss bottom and base (3) boss; Fixture inner ring (4) is arranged on the groove of boss inboard portion, base (3) inner side.The present invention adopts back-up block 2, fixture inner ring 4 and base 3, can change back-up block 2 relative centre position by rolling clamp inner ring 4, can clamp probe diameter and adjust arbitrarily within the scope of 12-24mm.Probe is mobile adopts ball roller roll mode, ensures scanning stability.Inlet opening 6, near probe, ensures water coincidence effect.
Description
Technical field
The invention belongs to the ultrasonic detecting technology field in Non-Destructive Testing, be specifically related to a kind of ultrasonic probe clamp.
Background technology
Ultrasonic detecting technology is one of lossless detection method applied in industry, mainly utilizes ultrasonic reflections principle detect inside workpiece defective locations and size and measure material thickness.Require during Ultrasonic Detection that there is certain smooth finish on examined surface, and need couplant and be full of space between probe and examined surface, to ensure sufficient acoustic coupling.For ensureing probe and examined workpiece surface good fit, and providing good coupling agent when scanning, the probe gripper of a fixed structure need be adopted to realize above-mentioned functions.Meanwhile, consider actual examined workpiece surface distributed weld seam, probe gripper also needs to ensure there is certain stability when crossing over weld seam.
Mainly there is following problem in existing ultrasonic normal probe fixture:
(1) clamping dimension is single, and probe size is non-exchange;
(2) poor stability, scanning is easily tumbled to probe gripper during commissure;
(3) water coincidence is poor, cannot keep sufficient moisture film between probe and workpiece.
Summary of the invention
The object of the invention is the problem solving prior art, provide one to be applicable to various sizes between probe external diameter 12mm-24mm, clamping is stable, scanning is steady, be coupled good a kind of ultrasonic probe clamp.
The present invention is achieved in that
A kind of ultrasonic probe clamp, comprises back-up block, fixture inner ring, base, night bolt, support spring, expansion link and Compress Spring; Wherein, base be inside and outside both sides all with the ring texture of annular boss, outside boss has ball roller mounting hole, inside it, boss is stepped, inboard portion, higher than Outboard Sections, has annular groove in boss inboard portion, inner side, has screw thread at boss Outboard Sections top, inner side; The top of base has night bolt mounting hole; Ball roller 5 is arranged in the ball roller mounting hole of base; Compress Spring to be arranged on inside base in the groove of boss inboard portion; Back-up block is the arcuate structure of bottom with boss, screw thread is had in the bottom surface of back-up block boss, inlet opening 6 is had in the inner side of arcuate structure, outside arcuate structure, have expansion link threaded hole is installed, back-up block is positioned on a circle concentric with the base end face center of circle, the screw-threaded engagement at boss Outboard Sections top inside the screw thread of back-up block boss bottom and base boss; Fixture inner ring is ring-type, has expansion link installing blind in the inner side of fixture inner ring, has through hole on fixture inner ring top, and fixture inner ring to be arranged on inside base on the groove of boss inboard portion, is fitted on Compress Spring; One end of expansion link is contained in back-up block expansion link by screw thread and installs in threaded hole, and the other end withstands on bottom the expansion link installing blind of fixture inner ring; Support spring is sleeved on expansion link outside, withstands between back-up block and inner ring fixture 4; Night bolt is inserted base and fixture inner ring successively.
Inside base as above, boss inboard portion is higher than Outboard Sections 2-3cm.
The night bolt mounting hole of base as above is multiple, and their geometric center is positioned in same level.
The quantity of the night bolt mounting hole night bolt mounting hole of base as above is 2.
It also comprises ball roller supporting spring, and ball roller supporting spring fitting is in the ball roller mounting hole of base, and ball roller 5 is arranged in the mounting hole of the ball roller of base, below ball roller supporting spring.
The height that back-up block as above is is consistent with the height of base; Diameter of a circle corresponding to the envelope of arcuate structure inner ring is greater than 26mm.
The quantity of back-up block as above is 3; 3 back-up blocks are distributed on a circle concentric with the base end face center of circle.
The wall thickness of fixture inner ring as above is consistent with the width of boss inboard portion groove inside base.
It is consistent to the distance of back-up block upper surface that threaded hole center is installed to distance and the back-up block expansion link of fixture inner ring upper surface in the expansion link installing blind center of fixture inner ring as above.
As above consistent with night bolt mounting hole in the size of fixture inner ring upper through-hole.
Beneficial effect of the present invention is:
The present invention adopts back-up block 2, fixture inner ring 4, base 3, night bolt 7, support spring 8, expansion link 9 and Compress Spring 10, by rolling clamp inner ring 4, back-up block 2 relative centre position can be changed, probe diameter can be clamped and adjust arbitrarily within the scope of 12-24mm.Probe is mobile adopts ball roller roll mode, ensures scanning stability.Inlet opening 6 is near probe, and position is adjustable, ensures water coincidence effect.
Accompanying drawing explanation
Fig. 1 is the sectional view of the front view of a kind of ultrasonic probe clamp of the present invention;
Fig. 2 is the vertical view of a kind of ultrasonic probe clamp of the present invention;
In figure, 1. pop one's head in, 2. back-up block, 3. base, 4. fixture inner ring, 5. ball roller, 6. inlet opening, 7. night bolt, 8. support spring, 9. expansion link, 10. Compress Spring.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of ultrasonic probe clamp of the present invention is described in detail:
As shown in Figure 1, a kind of ultrasonic probe clamp, comprises back-up block 2, fixture inner ring 4, base 3, night bolt 7, support spring 8, expansion link 9 and Compress Spring 10.
Wherein, base 3 be inside and outside both sides all with the ring texture of annular boss, outside boss has through hole as ball roller mounting hole, inside it, boss is stepped, boss inboard portion, inner side higher than Outboard Sections 2-3cm, as 2cm, 2.5cm or 3cm; Have annular groove in boss inboard portion, inner side, have screw thread at boss Outboard Sections top, inner side.The top of base 3 has through hole as night bolt mounting hole, in order to mounting spring latch 7; Generally, night bolt mounting hole is multiple, as 2,3 or 4, their geometric center be distributed on a certain cross-section in base 3 top in surface level on, the quantity of night bolt mounting hole is preferably 2.
Ball roller supporting spring fitting is in base 3 ball roller mounting hole, and ball roller 5 is arranged in the ball roller mounting hole of base 3, below ball roller supporting spring.Ball roller 5 generally selects steel ball to realize.
The external diameter of Compress Spring 10 is consistent with the width of boss inboard portion groove inside base 3.It is arranged in the groove of boss inboard portion inside base 3.
Back-up block 2 is the arcuate structure of bottom with boss, and its height is consistent with the height of base 3.Have screw thread in the bottom surface of its boss, inside screw thread herein and base 3, the screw thread at boss Outboard Sections top matches; Diameter of a circle corresponding to the envelope of arcuate structure inner ring is greater than 26mm, as 27mm, 30mm or 36mm; Have through hole in the inner side of arcuate structure as inlet opening 6, the couplant used for Ultrasonic Detection provides passage; Outside arcuate structure, have tapped blind hole, threaded hole is installed, in order to install expansion link 9 as expansion link.In the present embodiment, the quantity of back-up block 2 is 3.Back-up block 2 is arranged on that base 3 is inner, and 3 back-up blocks 2 are distributed on a circle concentric with the center of circle, base 3 bottom surface, the screw-threaded engagement at boss Outboard Sections top inside the screw thread of back-up block 2 boss bottom and base 3 boss.
Fixture inner ring 4 is ring-type, and its wall thickness is consistent with the width of boss inboard portion groove inside base 3; Have blind hole in its inner side, as expansion link installing blind, it is consistent that threaded hole external diameter installed by internal diameter and the expansion link of expansion link installing blind.It is consistent to the distance of back-up block 2 upper surface that threaded hole center is installed to distance and back-up block 2 expansion link of fixture inner ring 4 upper surface in expansion link installing blind center.On fixture inner ring 4 top, the position of corresponding base 3 night bolt mounting hole has through hole, and in order to mounting spring latch 7, the size of this through hole is consistent with night bolt mounting hole.Fixture inner ring 4 to be arranged on inside base 3 on the groove of boss inboard portion, is fitted on Compress Spring 10.
Expansion link 9 is shaft-like, and one end has screw thread, and its size is consistent with the external diameter that threaded hole installed by expansion link.It with one end of screw thread be arranged on back-up block 2 expansion link and install in threaded hole, the other end withstands on bottom the expansion link installing blind of fixture inner ring 4.
The internal diameter of support spring 8 and the diameter of expansion link 9 match, and it is outside that it is sleeved on expansion link 9, withstands between back-up block 2 and inner ring fixture 4.
Night bolt 7 is spike-like structures, and its size and night bolt mounting hole match, and it is inserted base 3 and fixture inner ring 4 successively, in order to firm banking 3 and fixture inner ring 4.
In the present embodiment, back-up block 2, fixture inner ring 4, base are made by polyurethane.Night bolt 7, support spring 8, expansion link 9, Compress Spring 10, ball roller supporting spring and ball roller can adopt the universal product, can select according to actual needs.
During assembling, by ball roller supporting spring fitting in the mounting hole of base 3 ball roller, and ball roller is arranged in the mounting hole of the ball roller of base 3, below ball roller supporting spring.Compress Spring 10 is arranged on boss inboard portion inside base 3 to have in annular groove.Threaded for expansion link 9 one end is arranged on back-up block 2 expansion link to install in threaded hole, support spring 8 is sleeved on outside expansion link 9.3 back-up blocks 2 are distributed on a circle concentric with the center of circle, base 3 bottom surface, fixture inner ring 4 are sleeved on back-up block 2 outside, bottom the expansion link installing blind other end of expansion link 9 being withstood on fixture inner ring 4.The back-up block 2 fitted together and fixture inner ring 4 are arranged in the inner ring of base 3, make the screw-threaded engagement at boss Outboard Sections top inside screw thread bottom back-up block 2 boss inboard portion and base 3 boss, fixture inner ring 4 is fitted on Compress Spring 10.Finally, night bolt 7 successively inserted base 3 and fixture inner ring 4 are fixed.
When installing probe 1 to be held, first releasing spring latch 7 extracting, by being arranged on the Compress Spring 10 inside base 3 in the annular groove of boss inboard portion, ejects certain altitude by fixture inner ring 4; Rotating base 3, by the relative motion of base 3 and fixture outer shroud 4, regulates back-up block 2 apart from center, can realize the clamping to different-diameter probe.When regulating back-up block 2 to clamping probe 1, fixture under pressure inner ring 4, and insert night bolt 7, the relative motion of restriction base 3 and fixture outer shroud 4.Be arranged on the support spring 8 between back-up block 2 and fixture inner ring 4, the extra support power to center probe 1 can be provided, ensure clamping stability.
Regulate on demand and after static probe 1, probe gripper be connected with scanning equipment, examinations.
The present invention adopts back-up block 2, fixture inner ring 4, base 3, night bolt 7, support spring 8, expansion link 9 and Compress Spring 10, by rolling clamp inner ring 4, back-up block 2 relative centre position can be changed, probe diameter can be clamped and adjust arbitrarily within the scope of 12-24mm.Probe is mobile adopts ball roller roll mode, ensures scanning stability.Inlet opening 6 is near probe, and position is adjustable, ensures water coincidence effect.
Claims (10)
1. a ultrasonic probe clamp, is characterized in that: it comprises back-up block (2), fixture inner ring (4), base (3), night bolt (7), support spring (8), expansion link (9) and Compress Spring (10); Wherein, base (3) is for inside and outside both sides are all with the ring texture of annular boss, outside boss has ball roller mounting hole, inside it, boss is stepped, inboard portion is higher than Outboard Sections, have annular groove in boss inboard portion, inner side, have screw thread at boss Outboard Sections top, inner side; The top of base (3) has night bolt mounting hole; Ball roller 5 is arranged in the ball roller mounting hole of base (3); Compress Spring (10) is arranged in the groove of boss inboard portion, base (3) inner side; Back-up block (2) is for bottom is with the arcuate structure of boss, screw thread is had in the bottom surface of back-up block (2) boss, inlet opening (6) is had in the inner side of arcuate structure, outside arcuate structure, have expansion link threaded hole is installed, back-up block (2) is positioned on a circle concentric with base (3) center of circle, bottom surface, the screw thread of back-up block (2) boss bottom and the screw-threaded engagement of base (3) boss medial lateral atop part; Fixture inner ring (4) is ring-type, expansion link installing blind is had in the inner side of fixture inner ring (4), through hole is had on fixture inner ring (4) top, fixture inner ring (4) is arranged on the groove of boss inboard portion, base (3) inner side, is fitted on Compress Spring (10); One end of expansion link (9) is contained in back-up block (2) expansion link by screw thread and installs in threaded hole, and the other end withstands on bottom the expansion link installing blind of fixture inner ring (4); It is outside that support spring (8) is sleeved on expansion link (9), withstands between back-up block (2) and fixture inner ring (4); Night bolt (7) is inserted base (3) and fixture inner ring (4) successively.
2. a kind of ultrasonic probe clamp according to claim 1, is characterized in that: described boss inboard portion, base (3) inner side is higher than Outboard Sections 2-3cm.
3. a kind of ultrasonic probe clamp according to claim 1 and 2, is characterized in that: the night bolt mounting hole of described base (3) is multiple, and their geometric center is positioned in same level.
4. a kind of ultrasonic probe clamp according to claim 1 and 2, is characterized in that: the quantity of the night bolt mounting hole of described base (3) is 2.
5. a kind of ultrasonic probe clamp according to claim 1 and 2, it is characterized in that: it also comprises ball roller supporting spring, ball roller supporting spring fitting is in the ball roller mounting hole of base (3), and ball roller (5) is arranged in the mounting hole of the ball roller of base (3), below ball roller supporting spring.
6. a kind of ultrasonic probe clamp according to claim 1 and 2, is characterized in that: the height of described back-up block (2) is consistent with the height of base (3); Diameter of a circle corresponding to the envelope of arcuate structure inner ring is greater than 26mm.
7. a kind of ultrasonic probe clamp according to claim 1 and 2, is characterized in that: the quantity of described back-up block (2) is 3; 3 back-up blocks (2) are distributed on a circle concentric with base (3) center of circle, bottom surface.
8. a kind of ultrasonic probe clamp according to claim 1 and 2, is characterized in that: the wall thickness of described fixture inner ring (4) is consistent with the width of boss inboard portion, base (3) inner side groove.
9. a kind of ultrasonic probe clamp according to claim 1 and 2, is characterized in that: it is consistent to the distance of back-up block (2) upper surface that threaded hole center is installed to distance and back-up block (2) expansion link of fixture inner ring (4) upper surface in the expansion link installing blind center of described fixture inner ring (4).
10. a kind of ultrasonic probe clamp according to claim 1 and 2, is characterized in that: the size of described fixture inner ring (4) upper through-hole is consistent with night bolt mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225715.2A CN103293229B (en) | 2013-06-07 | 2013-06-07 | A kind of ultrasonic probe clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225715.2A CN103293229B (en) | 2013-06-07 | 2013-06-07 | A kind of ultrasonic probe clamp |
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| Publication Number | Publication Date |
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| CN103293229A CN103293229A (en) | 2013-09-11 |
| CN103293229B true CN103293229B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310225715.2A Active CN103293229B (en) | 2013-06-07 | 2013-06-07 | A kind of ultrasonic probe clamp |
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| CN (1) | CN103293229B (en) |
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| CN110455927A (en) * | 2019-08-21 | 2019-11-15 | 东北大学 | A kind of movable adjustable ultrasonic probe fixture |
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| WO2022104714A1 (en) * | 2020-11-20 | 2022-05-27 | 苏州市立普医疗科技有限公司 | Frame body and in vivo ultrasound probe puncture support frame |
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| SU1257512A1 (en) * | 1985-01-23 | 1986-09-15 | Научно-исследовательский институт электронной интроскопии при Томском политехническом институте им.С.М.Кирова | Device for performing non=destructive ultrasonic checking of cylindrical articles |
| CN201622264U (en) * | 2010-03-18 | 2010-11-03 | 安徽理工大学 | Clamping apparatus |
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| CN103293229A (en) | 2013-09-11 |
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