CN208255143U - A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure - Google Patents
A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure Download PDFInfo
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- CN208255143U CN208255143U CN201721864280.6U CN201721864280U CN208255143U CN 208255143 U CN208255143 U CN 208255143U CN 201721864280 U CN201721864280 U CN 201721864280U CN 208255143 U CN208255143 U CN 208255143U
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Abstract
The utility model belongs to technical field of nondestructive testing, and in particular to a kind of mini zone centre bore bolt ultrasonic inspection devices composite structure.A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure, including supersonic detection device and ultrasound detection cleaning device, meet the inspection requirements of reactor pressure vessel bolt-center hole scanning.The scanning equipment can also be used for the similar bolt non-destructive testing with centre bore of other industries.This structure improves convenience and the flexibility of detection by the way of the design of Inner surface test probe moduleization, and can carry out going deep into detection for size replacement detection probe according to the requirement of volume inspection and internal diameter；The circuit of detection probe, water route are encapsulated in catheter interior, improve the reliability and service life of probe assembly；Residual couplant in centre bore is removed by tensioning plug, prevents bolt-center hole surface oxidation by dedicated couplant cleaning device；Modular Interface design to connect convenience with check device, reliably.
Description
Technical field
The utility model belongs to technical field of nondestructive testing, and in particular to a kind of mini zone centre bore bolt ultrasonic examination dress
Set composite structure.
Background technique
According to the related request that ASME is standardized, the main flange spiral shell of such as bolt main pump of the small-sized bolt with centre bore of nuclear power unit
Bolt etc. should carry out inservice inspection, and test range includes the inward-facing 6mm of appearance.
Detectable band centre bore bolt specification are as follows: centre bore 15~28mm of internal diameter, size is in M52~M177.5mm.Spiral shell
Stud structure schematic diagram is shown in Fig. 1.
By taking the main flange bolt of main pump as an example, the code requirement region 6.4mm implementation volume inspection inward-facing to bolt appearance, one
As be ultrasonic examination, as shown in figure 1 range shown in dotted line frame.
Check device and couplant cleaning assembly are the core elements of bolt checking system, are the key that realize the method for inspection
Carrier directly affects or determines the quality of its preventive inspection.The component of implementation inspection is not merely inside into bolt
Probe further includes probe clamper, probe connecting cable, water coincidence circuit and couplant cleaning assembly.Due to inner space
It is limited, certain difficulty is brought to the stickiness of probe, the supply of couplant and removal.
Utility model content
The purpose of this utility model is the demands on examination for mini zone centre bore bolt, provides a kind of mini zone centre bore
Bolt ultrasonic inspection devices composite structure meets the requirement that mini zone centre bore bolt is detected from centre bore.Scanning dress
It sets and can also be used for the similar bolt non-destructive testing with centre bore of other industries.
The technical solution of the utility model is as follows:
A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure, including supersonic detection device and ultrasound detection it is clear
Cleaning device, the supersonic detection device are made of locating rod, handle, dial, Inner surface test probe, steel wire and casing, carve
Scale center is provided with the locating rod through dial, and handle is provided on dial, and Inner surface test probe passes through spiral shell
Line links together and fastens with locating rod, and Inner surface test probe has spring attachment, guarantees probe and detection bolt
Center bore inner wall fits closely；Dial is quickly mounted on to the end of detection bolt using handle, and locating rod is just
The centre bore of good insertion detection bolt；
Locating rod one end is connected with Inner surface test probe, and the other end is connected with casing, and locating rod and casing are hollow
Structure is drawn with the cable of Inner surface test probe connection by the hollow space of locating rod and casing；In locating rod and casing
Junction is provided with steel wire, and the signal cable on steel wire and Inner surface test probe is pierced by by casing to be examined with external ultrasound
Instrument is surveyed to be attached.
A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure, the ultrasound detection cleaning device include connection
Bar, swelling plug, plastics top, guide sleeve, wing nut, cleaning rod；Swelling plug sleeve is in the tail portion of connecting rod, by butterfly spiral shell
Female, guide sleeve and plastics top are sequentially sleeved on cleaning rod, are attached, are made with cleaning rod by the threaded hole in connecting rod
It becomes an entirety, and whole device is inserted into detection bolt-center hole, and turning wing nut will be swollen by plastics top
Tight plug distending is fitted closely with center bore inner wall, and pulling out cleaning rod can be completed the cleaning of detection bolt-center hole.
A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure, described sleeve pipe can in supersonic detection device
Locating rod connection, casing can be connected with the connecting rod in ultrasound detection cleaning device.
A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure, casing includes multistage, guarantees narrow sky
Between can also detect, after the completion of above-mentioned connection, detection device constitute an entirety.
A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure, every 20 ° of designs have one on the dial
Graduation mark, operator can accurately complete probe in the circumferentially positioned of center bore inner wall in rotating detector according to scale.
The utility model has the beneficial effects that:
1) this structure using Inner surface test probe moduleization design by the way of, improve detection convenience and flexibly
Property, and can carry out going deep into detection according to the requirement of volume inspection and the size replacement detection probe of internal diameter；
2) circuit of detection probe, water route are encapsulated in catheter interior, improve the reliability of probe assembly and use the longevity
Life；
3) the residual couplant in centre bore is removed by tensioning plug, is prevented by dedicated couplant cleaning device
Bolt-center hole surface oxidation；
4) modular Interface design to connect convenience with check device, reliably.
Detailed description of the invention
Fig. 1 is pressure vessel bolt-center hole ultrasonic inspection apparatus structure chart described in the utility model；
Fig. 2 is Section A-A schematic diagram；
Fig. 3 is pressure vessel bolt-center hole ultrasonic examination cleaning device structure chart described in the utility model；
Fig. 4 is section B-B schematic diagram.
In figure: 1, locating rod；2, handle；3, dial；4, bolt is detected；5, Inner surface test is popped one's head in；6, steel wire；7, it covers
Pipe；8, connecting rod；9, swelling plug；10, plastics come directly towards；11, guide sleeve；12, wing nut；13, cleaning rod.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
Hereinafter referred to as with centre bore bolt supersonic detection device composite structure: this structure is as shown in Figure 2,3, is examined by ultrasound
Survey device and ultrasonic-detection couplant cleaning device composition.
Supersonic detection device is by locating rod 1, handle 2, dial 3, Inner surface test probe 5, steel wire 6 and 7 groups of casing
At.3 center of dial is provided with the locating rod 1 through dial 3, is provided with handle 2, Inner surface test on dial 3
Probe 5 is linked together and is fastened with locating rod 1 by screw thread, and Inner surface test probe 5 has spring attachment, guarantees to visit
Head is fitted closely with detection 4 center bore inner wall of bolt；Dial 3 is quickly mounted on to the end of detection bolt 4 using handle 2
Head, and locating rod 1 is just inserted into the centre bore of detection bolt 4；Every 20 ° of designs have a graduation mark, operator on dial 3
In rotating detector, probe can be accurately completed according to scale in the circumferentially positioned of center bore inner wall.
1 one end of locating rod is connected with Inner surface test probe 5, and the other end is connected with casing 7, and locating rod 1 and casing 7 are equal
For hollow structure, the cable connecting with Inner surface test probe 5 is drawn by the hollow space of locating rod 1 and casing 7；Fixed
Position bar 1 and 7 junction of casing, are provided with steel wire 6, and the signal cable on steel wire 6 and Inner surface test probe 5 is worn by casing 7
It is attached out with external ultrasound measuring instrument.
Casing 7 includes multistage, guarantees that narrow space can also detect, and after the completion of above-mentioned connection, detection device is constituted
One entirety.Described sleeve pipe 7 can be connect with the locating rod 1 in supersonic detection device, and casing 7 can be cleaned with ultrasound detection
Connecting rod 8 in device is connected.
Ultrasound detection cleaning device be by connecting rod 8, swelling plug 9, plastics top 10, guide sleeve 11, wing nut 12,
Cleaning rod 13 forms.After the completion of ultrasound detection, the remaining couplant of centre bore is removed using cleaning device, 9 sets of swelling plug is existed
Wing nut 12, guide sleeve 11 and plastics top 10 is sequentially sleeved on cleaning rod 13, passes through connection by the tail portion of connecting rod 8
Threaded hole on bar 8 is attached with cleaning rod 13, becomes an entirety, and whole device is inserted into detection bolt 4
In heart hole, turns wing nut 12 and fitted closely 9 distending of swelling plug with center bore inner wall by plastics top 10, pull out cleaning
The cleaning of detection 4 centre bore of bolt can be completed in bar 13.The other end of connecting rod 8 can connect the casing of supersonic detection device
7, and then ultrasound detection rinser active length is increased.
Claims (5)
1. a kind of mini zone centre bore bolt ultrasonic inspection devices composite structure, including supersonic detection device and ultrasound detection cleaning
Device, it is characterised in that: the supersonic detection device is popped one's head in by locating rod (1), handle (2), dial (3), Inner surface test
(5), steel wire (6) and sleeve (7) composition, dial (3) center is provided with the locating rod (1) through dial (3), scale
It is provided on disk (3) handle (2), Inner surface test probe (5) is linked together and fastened with locating rod (1) by screw thread, interior
Surface sensing probe (5) has spring attachment, guarantees probe and detects fitting closely for bolt (4) center bore inner wall；Make
Dial (3) is quickly mounted on to the end of detection bolt (4) with handle (2), and locating rod (1) is just inserted into detection spiral shell
The centre bore of bolt (4)；
Locating rod (1) one end is connected with Inner surface test probe (5), and the other end is connected with sleeve (7), locating rod (1) and sleeve
It (7) is hollow structure, the cable connecting with Inner surface test probe (5) passes through the hollow space of locating rod (1) and sleeve (7)
It draws；It in locating rod (1) and sleeve (7) junction, is provided with steel wire (6), on steel wire (6) and Inner surface test probe (5)
Signal cable is pierced by by sleeve (7) and is attached with external ultrasound measuring instrument.
2. a kind of mini zone centre bore bolt ultrasonic inspection devices composite structure as described in claim 1, it is characterised in that: institute
Stating ultrasound detection cleaning device includes connecting rod (8), swelling plug (9), plastics top (10), pilot sleeve (11), wing nut
(12), cleaning rod (13)；Swelling plug (9) is covered in the tail portion of connecting rod (8), by wing nut (12), pilot sleeve (11) and modeling
Material top (10) is sequentially sleeved on cleaning rod (13), is attached, is made with cleaning rod (13) by the threaded hole on connecting rod (8)
It becomes an entirety, and whole device is inserted into detection bolt (4) centre bore, wing nut (12) is turned and passes through plastic top
Head (10) fits closely swelling plug (9) distending with center bore inner wall, and pulling out cleaning rod (13) can be completed in detection bolt (4)
The cleaning in heart hole.
3. a kind of mini zone centre bore bolt ultrasonic inspection devices composite structure as described in claim 1, it is characterised in that: institute
Stating sleeve (7) can connect with the locating rod (1) in supersonic detection device, sleeve (7) can in ultrasound detection cleaning device
Connecting rod (8) be connected.
4. a kind of mini zone centre bore bolt ultrasonic inspection devices composite structure as described in claim 1, it is characterised in that: set
Cylinder (7) includes multistage, guarantees that narrow space can also detect, and after the completion of above-mentioned connection, detection device constitutes an entirety.
5. a kind of mini zone centre bore bolt ultrasonic inspection devices composite structure as described in claim 1, it is characterised in that: institute
Stating every 20 ° of designs on dial (3) has a graduation mark, and operator can accurately complete to visit in rotating detector according to scale
Head is in the circumferentially positioned of center bore inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864280.6U CN208255143U (en) | 2017-12-27 | 2017-12-27 | A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864280.6U CN208255143U (en) | 2017-12-27 | 2017-12-27 | A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure |
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| Publication Number | Publication Date |
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| CN208255143U true CN208255143U (en) | 2018-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975405A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure |
-
2017
- 2017-12-27 CN CN201721864280.6U patent/CN208255143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975405A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of mini zone centre bore bolt ultrasonic inspection devices composite structure |
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