CN203658312U - Combined ultrasonic-eddy current detection probe clamping structure - Google Patents
Combined ultrasonic-eddy current detection probe clamping structure Download PDFInfo
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- CN203658312U CN203658312U CN201320889991.4U CN201320889991U CN203658312U CN 203658312 U CN203658312 U CN 203658312U CN 201320889991 U CN201320889991 U CN 201320889991U CN 203658312 U CN203658312 U CN 203658312U
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Abstract
The utility model belongs to the technical fields of a nuclear power plant-loop system and nondestructive testing of other industries, and particularly relates to a combined ultrasonic-eddy current detection probe clamping structure. The combined ultrasonic-eddy current detection probe clamping structure comprises a substrate structure and a probe drive four-bar mechanism, wherein the substrate structure comprises a water level measurement ultrasonic straight probe (1), a miniature coaxial cable socket (3), a guide cover (4), a cable socket mounting base (5), a probe cable and miniature coaxial cable socket (10), a multi-core cable plug (17) and a coaxial cable bundle (18); the probe drive four-bar mechanism comprises a pressure spring nut (6), a compression spring (7), an upper pressure ring (8), a probe lining plate (9), a core tube (11), a novel combined probe (12), a connecting rod (13), a mandril (15) and a base (20). The combined ultrasonic-eddy current detection probe clamping structure has the beneficial effects that the good fitting and even pressing force between the detection probe and the detected object surface are ensured, and the probe is tightened to prevent from being damaged in installation, the sufficient water immersion coupling quantity can be ensured, and excessive water is prevented from overflowing.
Description
Technical field
The utility model belongs to nuclear power station one circuit system and other industry technical field of nondestructive testing, be specifically related to a kind of combined type ultrasonic-eddy current probe clamp structure.
Background technology
According to the related request of ASME standard, the top cover of reactor pressure vessel penetration piece of nuclear power generating sets should carry out inservice inspection, the J type weld seam that its test range comprises penetration piece body and is connected with top cover end socket.
Reactor pressure vessel penetration piece material is generally Alloy600 or Alloy690.Vertically run through reactor pressure vessel upper cover, and form J type weld seam with pressure vessel head inwall.Penetration piece internal diameter is generally 60~70mm, and wall thickness is in 15~20mm left and right.J type weld seam belongs to dissimilar metal welding line, and conventionally in order to improve welding performance, at J type weld groove place, heap has pre-heap limit.
Probe is the core parts as nuclear reactor pressure container penetration piece checking system, is the crucial carrier of realizing the method for inspection, and it directly affects or determine the quality of its preventive inspection.At present, all adopt probe from the inner approaching check system of penetration piece both at home and abroad.The member that enters the inspection of penetration piece internal implementation is not only just popped one's head in, and also comprises probe clamper, probe stube cable and water coupling circuit.The inner small space of penetration piece, brings very big restriction to the layout of probe.Up to now, for penetration piece, inspection adopts probe to be made up of a limited number of conventional transducers unit, only comprises twin crystal 0 degree probe and shear wave 45 degree probes.Along with the development of world's Dynamic Non-Destruction Measurement, for the also corresponding raising of measuring accuracy of penetration piece inherent vice size.Address that need, newly develop that novel reaction core pressure vessel top cover penetration piece is ultrasonic, eddy current coupling probe, this probe can meet the measuring accuracy requirement to flaw height in detection method, overcome again the restriction of the inner small space of penetration piece, meet the inspection requirements of top cover of reactor pressure vessel penetration piece simultaneously; For the enforcement checking, need probe clamp structure development of new, that comprise cable splice one to meet the clamp structure of the new detector.
Utility model content
The purpose of this utility model is, eddy current coupling probe ultrasonic for integral type reaction core pressure vessel top cover penetration piece, provide a kind of combined type ultrasonic-eddy current probe clamp structure, to meet, top cover of reactor pressure vessel penetration piece inside surface is ultrasonic, the requirement of eddy current inspection.This probe clamp structure also can be used for the Non-Destructive Testing of other industry pipe with small pipe diameter inwall.
The technical scheme that realizes the utility model object is:
A kind of combined type is ultrasonic-eddy current probe clamp structure, comprise that basal body structure and probe drive four-bar mechanism,
Described probe drives four-bar mechanism to comprise spring pressing nut, Compress Spring, top pressure ring, probe liner plate, core pipe, novel coupling probe, connecting rod, rotating shaft pin, push rod and pedestal;
Core pipe is cylindric, and spring pressing nut, Compress Spring, top pressure ring are enclosed within core pipe outside from top to bottom successively, and spring pressing nut has internal thread, is threaded connection with core pipe; Core pipe bottom is connected with triangular base; Probe liner plate is positioned at pressure ring below, top, comprise three blocks of circular arc type liner plates, three circular arc liner plate compositions are circular, are enclosed within core pipe outside, every block of circular arc liner plate is "] along core pipe axial cross section " type, every block of circular arc liner plate "] " upper edge of type is connected by connecting rod with top pressure ring; Novel coupling probe comprises three circular arcs probe plates, and every block of circular arc type probe plate is fixedly connected on "] of probe liner plate " become one in type groove; Probe every block of circular arc liner plate of liner plate "] " lower edge of type is connected with connecting rod top by rotating shaft pin, and connecting rod bottom is connected to by rotating shaft pin on the pedestal of basal body structure; Top pressure ring lower surface is fixed with 3 push rods;
Described matrix mechanism comprises level measuring straight beam method head, " O " RunddichtringO, micro coaxial cable socket, guide housing, cable socket mount pad, probe cable and micro coaxial cable plug, volution, polycore cable plug, coaxial cable bunch and positioning spline;
Cable socket mount pad is circular tube shaped, is positioned at spring pressing nut top, is fixedly connected on core pipe outside; At the two row's micro coaxial cable sockets that have been arranged in parallel up and down laterally in cable socket mount pad week; The top of novel coupling probe is provided with probe cable and micro coaxial cable plug, is connected on the micro coaxial cable socket being arranged on cable socket mount pad; Core pipe pipe inner bottom part is installed with polycore cable plug simultaneously, and the coaxial cable bunch that is positioned at core pipe connects micro coaxial cable socket and polycore cable plug, thereby realizes the electrical connection of detection signal; Guide housing is arranged on cable socket mount pad top, adopts and is threaded with cable socket mount pad; Guide housing is inverted petal shape, and top is frustum, and bottom is petal; In the middle of guide housing top, a level measuring straight beam method head is installed, for detection of the height of water level in detected member.
The inner cable socket mount pad top encapsulating that passes through of described core pipe is to realize the protection of inside cable with fixing.
Described pedestal is triangle cylinder, is integrated part with core pipe.
Between described micro coaxial cable socket and cable socket mount pad, adopt bonding mode to be connected.
Described cable socket mount pad is made up of insulating material, is preferably plastics, bakelite etc.
Between described guide housing and cable socket mount pad, be provided with " O " RunddichtringO and, as screw thread damped part, prevent thread looseness.
Described polycore cable plug is realized circumferentially location by the positioning spline in core pipe bottom interior wall; Realize the axial location on top by the axial circular projection of core pipe pipe inner bottom part; Realize the axial location of bottom by the volution that is arranged on core pipe lower outside by screw thread; Volution inwall bottom has circular projection, and polycore cable plug lower end is fixed on volution projection top, avoids polycore cable plug to move down.
Described push rod is circumferentially uniform along top pressure ring lower surface, and push rod length is greater than the length of core pipe.
The beneficial effects of the utility model are:
Adopt the technical solution of the utility model, guaranteed detect in implementation process detection probe and the laminating of detected object surface well and snap-in force even; When installation, tighten up the action of probe and guarantee that probe is injury-free when mounted; The abundance of the water logging coupling water yield is guaranteed in the use of level measuring straight beam method head, and can effectively prevent that unnecessary water from overflowing.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the sectional view of the utility model along A-A direction;
Fig. 3 is the sectional view of the utility model along B-B direction;
Fig. 4 is upward view of the present utility model.
In figure: 1-level measuring straight beam method head; 2-" O " RunddichtringO; 3-micro coaxial cable socket; 4-guide housing; 5-cable socket mount pad; 6-spring pressing nut; 7-Compress Spring; 8-top pressure ring; The 9-liner plate of popping one's head in; 10-probe cable and micro coaxial cable plug; 11-core pipe; The novel coupling probe of 12-; 13-connecting rod; 14-rotating shaft pin; 15-push rod; 16-volution; 17-polycore cable plug; 18-coaxial cable bunch; 19-positioning spline; 20-pedestal.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
A kind of combined type is ultrasonic-eddy current probe clamp structure, its structure as shown in Figure 1, comprise that basal body structure and probe drive four-bar mechanism, described probe drives four-bar mechanism to comprise spring pressing nut 6, Compress Spring 7, top pressure ring 8, probe liner plate 9, core pipe 11, novel coupling probe 12, connecting rod 13, rotating shaft pin 14, push rod 15 and pedestal 20;
Probe liner plate 9 is positioned at top pressure ring 8 belows, comprise three blocks of circular arc type liner plates, three circular arc liner plate compositions are circular, are enclosed within core pipe 11 outsides, every block of circular arc liner plate is "] along core pipe 11 axial cross sections " type, every block of circular arc liner plate "] " upper edge of type is connected by connecting rod 13 with top pressure ring 8;
Pressure ring 8 lower surfaces in top are along 3 push rods 15 of circumferential uniform installation, and push rod 15 length are greater than the length of core pipe 11; When use, move upward by external drive mechanism urges push rod 15, inwardly shrink thereby top pressure ring 8 is withstood to the liner plate 9 that makes to pop one's head in of moving upward, make it external diameter and be less than pipeline internal diameter to be measured and guide housing 4 external diameters, thus in installation process protection probe;
When use, can adjust the crush of Compress Spring 7 by regulating spring pressing nut 6 positions, top pressure ring 8 moves downward under the thrust of Compress Spring 7, drivening rod 13 deflections simultaneously, connecting rod 13 promotes probe liner plate 9 and circumferentially outwards moves along core pipe 11, make novel coupling probe 12 keep the state outwards opening, the pressure opening check that state determined by the crush of Compress Spring 7 and the deflection angle of connecting rod 13 with respect to the pressure of detected object inside surface.
Described matrix mechanism comprises level measuring straight beam method head 1, " O " RunddichtringO 2, micro coaxial cable socket 3, guide housing 4, cable socket mount pad 5, probe cable and micro coaxial cable plug 10, volution 16, polycore cable plug 17, coaxial cable bunch 18 and positioning spline 19;
Cable socket mount pad 5 is circular tube shaped, is positioned at spring pressing nut 6 tops, is enclosed within core pipe 11 outsides by splicing; At the cable socket mount pad two row's micro coaxial cable sockets 3 that have been arranged in parallel up and down laterally for 5 weeks, for the electrical connection of ultrasonic-eddy current signal, between micro coaxial cable socket 3 and cable socket mount pad 5, adopt bonding mode to be connected; Cable socket mount pad 5 is made up of insulating material, is preferably plastics, bakelite etc.;
The top of novel coupling probe 12 is provided with probe cable and micro coaxial cable plug 10, be connected on the micro coaxial cable socket 3 being arranged on cable socket mount pad 5, the coaxial cable bunch 18 that is simultaneously positioned at core pipe 11 connects the polycore cable plug 17 in micro coaxial cable socket 3 and core pipe 11 core holes, below, thereby realizes the electrical connection of detection signal;
Guide housing 4 is arranged on cable socket mount pad 5 tops, adopts and is threaded with cable socket mount pad 5; Guide housing 4 is inverted petal shape, and top is frustum, and bottom is petal; Between guide housing 4 and cable socket mount pad 5, be provided with " O " RunddichtringO 2 as screw thread damped part, prevent thread looseness; Guide housing 4 for the combined type at the present embodiment ultrasonic-eddy current probe clamp structure play the guiding role while entering pipe interior, the groove between the each lobe in bottom combined type ultrasonic-the axial scanning process of eddy current probe clamp structure in for water stream channel;
Guide housing is provided with a level measuring straight beam method head 1 in the middle of 4 tops, for detection of ultrasound examination couplant---the height of water level of deionized water, guarantee to be unlikely in testing process to cause detecting unsuccessfully because of couplant deficiency;
Complete after cable connection, the inner cable socket mount pad 5 top encapsulatings that pass through of core pipe 11 are to realize the protection of inside cable and to fix.
When use, novel coupling probe 12 is connected on automatic detection device, automatic detection device drives probe assembly to move downward until push rod 15 contacts and tighten up novel coupling probe 12 with automatic detection device overhead gage; Automatic detection device is sent into detection position, automatic detection device driving probe assembly moves upward and unclamps novel coupling probe 12, and rises to inspection position top, and water filling is until level measuring straight beam method head 1 detects signal, complete inspection preliminary work, start to check.
Above embodiment of the present utility model is explained in detail, above-mentioned embodiment is only optimum embodiment of the present utility model, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (10)
- Combined type ultrasonic-an eddy current probe clamp structure, it is characterized in that: comprise basal body structure and probe drive four-bar mechanism,Described probe drives four-bar mechanism to comprise spring pressing nut (6), Compress Spring (7), top pressure ring (8), probe liner plate (9), core pipe (11), novel coupling probe (12), connecting rod (13), push rod (15) and pedestal (20);Core pipe 11 is cylindric, and spring pressing nut (6), Compress Spring (7), top pressure ring (8) are enclosed within core pipe (11) outside from top to bottom successively, and spring pressing nut (6) has internal thread, is threaded connection with core pipe (11); Core pipe (11) bottom is connected with triangular base (20); Probe liner plate (9) is positioned at top pressure ring (8) below, comprise three blocks of circular arc type liner plates, three circular arc liner plate compositions are circular, be enclosed within core pipe (11) outside, every block of circular arc liner plate is "] along core pipe (11) axial cross section " type, every block of circular arc liner plate "] " upper edge of type is connected by connecting rod (13) with top pressure ring (8); Novel coupling probe (12) comprises three circular arcs probe plates, and every block of circular arc type probe plate is fixedly connected on "] of probe liner plate (9) " become one in type groove; Probe liner plate (9) every block of circular arc liner plates "] " lower edge of type is connected with connecting rod (13) top, and connecting rod (13) bottom is connected on the pedestal (20) of basal body structure; Top pressure ring (8) lower surface is fixed with 3 push rods (15);Described matrix mechanism comprises level measuring straight beam method head (1), micro coaxial cable socket (3), guide housing (4), cable socket mount pad (5), probe cable and micro coaxial cable plug (10), polycore cable plug (17) and coaxial cable bunch (18);Cable socket mount pad (5) is circular tube shaped, is positioned at spring pressing nut (6) top, is fixedly connected on core pipe (11) outside; At the two row's micro coaxial cable sockets (3) that have been arranged in parallel up and down laterally in cable socket mount pad (5) week; The top of novel coupling probe (12) is provided with probe cable and micro coaxial cable plug (10), is connected on the micro coaxial cable socket (3) being arranged on cable socket mount pad (5); Core pipe (11) pipe inner bottom part is installed with polycore cable plug (17) simultaneously, and the coaxial cable bunch (18) that is positioned at core pipe 11 connects micro coaxial cable socket (3) and polycore cable plug (17), thereby realizes the electrical connection of detection signal; Guide housing (4) is arranged on cable socket mount pad (5) top, adopts and is threaded with cable socket mount pad (5); In the middle of guide housing (4) top, a level measuring straight beam method head (1) is installed, for detection of the height of water level in detected member.
- A kind of combined type as claimed in claim 1 ultrasonic-eddy current probe clamp structure, it is characterized in that: described core pipe (11) inner by cable socket mount pad (5) top encapsulating to realize the protection of inside cable with fixing.
- A kind of combined type as claimed in claim 1 ultrasonic-eddy current probe clamp structure, it is characterized in that: described pedestal (20) is triangle cylinder, is integrated part with core pipe (11).
- A kind of combined type as claimed in claim 1 ultrasonic-eddy current probe clamp structure, it is characterized in that: between described micro coaxial cable socket (3) and cable socket mount pad (5), adopt bonding mode to be connected.
- A kind of combined type as claimed in claim 1 ultrasonic-eddy current probe clamp structure, it is characterized in that: described cable socket mount pad (5) is made up of insulating material.
- A kind of combined type as claimed in claim 5 ultrasonic-eddy current probe clamp structure, it is characterized in that: the material of described cable socket mount pad (5) is plastics or bakelite.
- A kind of combined type as claimed in claim 1 ultrasonic-eddy current probe clamp structure, it is characterized in that: between described guide housing (4) and cable socket mount pad (5), be provided with " O " RunddichtringO (2) as screw thread damped part, for preventing thread looseness.
- A kind of combined type as claimed in claim 1 ultrasonic-eddy current probe clamp structure, it is characterized in that: described polycore cable plug (17) is realized circumferentially location by positioning spline (19) in core pipe (11) bottom interior wall; Realize the axial location on top by the axial circular projection of core pipe (11) pipe inner bottom part; Realize the axial location of bottom by the volution (16) that is arranged on core pipe (11) lower outside by screw thread; Volution (16) inwall bottom has circular projection, and polycore cable plug (17) lower end is fixed on volution (16) projection top, avoids polycore cable plug (17) to move down.
- A kind of combined type as claimed in claim 1 ultrasonic-eddy current probe clamp structure, it is characterized in that: described push rod (15) is circumferentially uniform along top pressure ring (8) lower surface, push rod (15) length is greater than the length of core pipe (11).
- A kind of combined type as claimed in claim 1 ultrasonic-eddy current probe clamp structure, it is characterized in that: described guide housing (4) is inverted petal shape, and top is frustum, and bottom is petal.
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CN201320889991.4U CN203658312U (en) | 2013-12-30 | 2013-12-30 | Combined ultrasonic-eddy current detection probe clamping structure |
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CN201320889991.4U CN203658312U (en) | 2013-12-30 | 2013-12-30 | Combined ultrasonic-eddy current detection probe clamping structure |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104749244A (en) * | 2013-12-30 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Combined type ultrasonic-eddy current detection probe clamping structure |
CN105806955A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Small-diameter pipe inner wall inspection ultrasonic probe clamping structure |
CN105806956A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Probe assembly used for ultrasonic inspection of heat-transfer pipe of steam generator |
CN106124614A (en) * | 2016-07-20 | 2016-11-16 | 浙江树人大学 | The subsurface defect quantification detection method of thought is merged based on multidimensional data |
CN106444290A (en) * | 2016-08-09 | 2017-02-22 | 电子科技大学 | Design method for adaptive elastic hinge capable of suppressing deflection angle |
-
2013
- 2013-12-30 CN CN201320889991.4U patent/CN203658312U/en not_active Withdrawn - After Issue
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104749244A (en) * | 2013-12-30 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Combined type ultrasonic-eddy current detection probe clamping structure |
CN104749244B (en) * | 2013-12-30 | 2017-08-18 | 中核武汉核电运行技术股份有限公司 | A kind of ultrasonic eddy current probe clamp structure of combined type |
CN105806955A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Small-diameter pipe inner wall inspection ultrasonic probe clamping structure |
CN105806956A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Probe assembly used for ultrasonic inspection of heat-transfer pipe of steam generator |
CN105806955B (en) * | 2014-12-30 | 2018-09-28 | 中核武汉核电运行技术股份有限公司 | A kind of path inside pipe wall inspection ultrasonic probe clamp structure |
CN105806956B (en) * | 2014-12-30 | 2019-08-13 | 中核武汉核电运行技术股份有限公司 | A kind of probe assembly of steam generator heat-transfer pipe ultrasonic examination |
CN106124614A (en) * | 2016-07-20 | 2016-11-16 | 浙江树人大学 | The subsurface defect quantification detection method of thought is merged based on multidimensional data |
CN106124614B (en) * | 2016-07-20 | 2019-02-05 | 浙江树人大学 | Subsurface defect quantification detection method based on multidimensional data fusion thought |
CN106444290A (en) * | 2016-08-09 | 2017-02-22 | 电子科技大学 | Design method for adaptive elastic hinge capable of suppressing deflection angle |
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Granted publication date: 20140618 Effective date of abandoning: 20170818 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20170818 |