CN205506767U - Valve valve rod ultrasonic phased array detects scanning apparatus - Google Patents
Valve valve rod ultrasonic phased array detects scanning apparatus Download PDFInfo
- Publication number
- CN205506767U CN205506767U CN201620130924.8U CN201620130924U CN205506767U CN 205506767 U CN205506767 U CN 205506767U CN 201620130924 U CN201620130924 U CN 201620130924U CN 205506767 U CN205506767 U CN 205506767U
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- Prior art keywords
- valve rod
- chain
- scanning equipment
- chain link
- ultrasonic phase
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model provides a valve valve rod ultrasonic phased array detects scanning apparatus, it includes the fixed link who encloses into the round along the circumference of valve rod, and fixed link's both sides are equipped with a plurality of gyro wheels, and the gyro wheel winds self axis rotation, and the axis of gyro wheel is parallel with the axis of valve rod, and the outer peripheral face of gyro wheel contacts last at least one phased array probe that is fixed with of fixed link with the outer peripheral face of valve rod. This valve valve rod ultrasonic phased array detects scanning apparatus has realized looking into sweeping under not dismantlement of the valve valve rod condition, has improved detection efficiency and positioning accuracy, has reduced measurement personnel's the radiation dose that receives.
Description
Technical field
This utility model relates to a kind of valve rod ultrasonic phase array detection scanning equipment.
Background technology
Nuclear power station valve rod, after long service, due to material manufacture, rotates the reason such as load and oscillating load, Ke Neng
Valve stem end shoulder position produces fatigue crack, and this kind of fatigue crack has the uncertain feature of the direction of growth.During conventional sense,
There will be higher defect loss when detection is orientated multifarious crack defect, need to increase the scanning of more direction.But by
High in above-mentioned maintenance of valve cost, dismounting and change is long in time limit, generally requires and does not dismantle the situation of disintegration at valve and carry out pre-to valve rod
The inspection of anti-property.
It is presently used for the domestic product substantially not having maturation of ultrasonic detection equipment of valve rod.Valve used by domestic detection company
Family of power and influence's bar detection equipment also great majority are from external import, need by domestic agency.So, domestic it is devoted to nuclear power station
It is a kind of for valve valve that detection technique services the Country, Nuclear Power Plant Operation Services Technology Co., Ltd's independent development with detection technique research
The scanning equipment of bar ultrasonic phase array detection.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of valve rod ultrasonic phase array inspection
Survey scanning equipment, do not dismantle the situation of disintegration at valve for solving prior art lacks valve rod is carried out preventive inspection set
Standby problem.
For achieving the above object and other relevant purposes, this utility model provides a kind of valve rod ultrasonic phase array detection scanning dress
Putting, it includes the fixing chain formed a circle along the circumference of valve rod, and the both sides of fixing chain are provided with multiple roller, and roller is around own axes
Rotating, the axis of roller is parallel with the axis of valve rod, and the outer peripheral face of roller contacts with the outer peripheral face of valve rod, fixing on fixing chain
There is at least one phased array probe.
Preferably, fixing chain is fixed with encoder.
Preferably, phased array probe is fixed on probe contiguous block, and probe contiguous block is connected with fixing chain.The most preferably,
It is fixed with encoder on probe contiguous block.
Preferably, fixing chain includes that multiple chain link, multiple chain links join end to end.
The most preferably, fixing chain is provided with buckle, and buckle is between two adjacent chain links.It is further preferred,
Buckle is clamp button of the spring.
Further preferably, chain link be provided with two prominent lugs, lug is provided with the lug connecting hole run through, chain link
Another side be provided with the connection bump of protrusion, connection bump is provided with the protruding connecting hole run through, and the connection bump of chain link is positioned at phase
Between two lugs of another adjacent chain link, the axis of protruding connecting hole and the dead in line of the lug connecting hole matched, two
Adjacent chain link is by running through the connecting shaft connection of protruding connecting hole, lug connecting hole, and connecting shaft extend out to the end outside chain link
It is cased with roller.
Further preferably, phased array probe is connected with fixing chain by probe contiguous block, contiguous block of popping one's head in be positioned at two adjacent
Between chain link.
As it has been described above, this utility model valve rod ultrasonic phase array detection scanning equipment, have the advantages that
This valve rod ultrasonic phase array detection scanning equipment, it is achieved that the scanning in the case of not dismantling valve rod, improves
Detection efficiency and positioning precision, reduce testing staff by irradiation dose.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of this utility model valve rod ultrasonic phase array detection scanning equipment.
Fig. 2 is shown as the schematic diagram that the valve rod ultrasonic phase array detection scanning equipment shown in Fig. 1 is arranged on valve rod.
Element numbers explanation
1 valve rod
2 fix chain
21 chain links
22 lugs
23 connection bumps
3 rollers
4 phased array probes
5 encoders
6 probe contiguous blocks
7 buckles
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model being described below, those skilled in the art can be by this specification
Disclosed content understands other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 2.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to
Coordinating the content disclosed in description, understand for those skilled in the art and read, being not limited to this utility model can
The qualifications implemented, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the tune of size
Whole, under not affecting effect that this utility model can be generated by and the purpose that can reach, all should still fall and be taken off at this utility model
In the range of the technology contents shown can be contained.Meanwhile, in this specification cited as " on ", D score, "left", "right", " in
Between " and the term of " " etc., it is merely convenient to understanding of narration, and is not used to limit the enforceable scope of this utility model, its phase
Relation is altered or modified, is changing under technology contents without essence, when being also considered as the enforceable category of this utility model.
As shown in Figure 1 to Figure 2, this utility model provides a kind of valve rod ultrasonic phase array detection scanning equipment, and it includes edge
The fixing chain 2 that the circumference of valve rod 1 forms a circle, the both sides of fixing chain 2 are provided with multiple roller 3, roller 3 around own axis,
The axis of roller 3 is parallel with the axis of valve rod 1, and the outer peripheral face of roller 3 contacts with the outer peripheral face of valve rod 1, on fixing chain 2
It is fixed with at least one phased array probe 4.The quantity of phased array probe 4 and the relative position on fixing chain 2, can be according to reality
Border detection requirements set.
Above-mentioned scanning equipment, fixing chain 2 is trapped among on the outer peripheral face of valve rod 1, and phased array probe 4 is arranged on fixing chain 2, Gu
The curvature determining chain 2 is identical with the curvature of the outer peripheral face of valve rod 1, makes phased array probe 4 energy good coupling, does not dismantle solution at valve
The situation of body carries out preventive inspection to valve rod 1.The both sides of fixing chain 2 are provided with multiple roller 3, and multiple rollers 3 define edge
The circular arc scanning guide rail of the circumference of valve rod 1, by the roller 3 rolling on the outer peripheral face of valve rod 1, it is achieved that phased array probe
4 along valve rod 1 circumference movement, complete the circumferential scanning to valve rod 1.
In order to enable that the circumferential position of phased array probe 4 and defect is accurately positioned, fixing chain 2 is further fixed on encoder 5.
As it is shown in figure 1, a kind of concrete structure of fixing chain 2 is: fixing chain 2 includes multiple chain link 21, and multiple chain links 21 are first
Tail is connected.The curvature of chain link 21 is identical with the curvature of the outer peripheral face of valve rod 1, makes phased array probe 4 good coupling, meanwhile, and can
According to the external diameter size of tested valve rod 1, increase or reduce the quantity of chain link 21, to adapt to different testing requirements.
Phased array probe 4 is fixed on probe contiguous block 6, and probe contiguous block 6 is connected with fixing chain 2, on probe contiguous block 6
It is fixed with encoder 5.When fixing chain 2 is formed by connecting by multiple chain links 21, probe contiguous block 6 is positioned at two adjacent chain links
Between 21.
For the ease of the installation and removal of fixing chain 2, fixing chain 2 is provided with buckle 7, and buckle 7 is positioned at adjacent two chain link
Between 21, buckle 7 is preferably clamp button of the spring.When fixing chain 2 is installed, fixing chain 2 after the circumference of valve rod 1 forms a circle,
By the locking of buckle 7, by joining end to end of fixing chain 2, form the annular of a Guan Bi.When fixing chain 2 need to be dismantled, untie
Buckle 7, can disassemble fixing chain 2.
As it is shown in figure 1, a kind of concrete connected mode between adjacent two chain links 21 is: being provided with two and dash forward of chain link 21
The lug 22 gone out, lug 22 is provided with the lug connecting hole run through, and the another side of chain link 21 is provided with the connection bump 23 of protrusion,
Connection bump 23 is provided with the protruding connecting hole run through, and the connection bump 23 of chain link 21 is positioned at the two of another adjacent chain link 21
Between individual lug 22, the axis of protruding connecting hole and the dead in line of the lug connecting hole matched, two adjacent chain links 21
By running through the connecting shaft connection of protruding connecting hole, lug connecting hole, the end that connecting shaft extend out to outside chain link 21 is cased with roller
3。
The fixing chain 2 that above-mentioned connected mode is formed by connecting, is connected by connecting shaft between adjacent two chain links 21, the two chain link
21 all can rotate around connecting shaft, therefore can freely regulate adjacent two chain links 21 according to the shape of the outer peripheral face of actual valve rod 1
Between angle, make the shape of fixing chain 2 and the outer peripheral face of valve rod 1 adapt, make phased array probe 4 good coupling.
Above-mentioned scanning equipment, volume is little, lightweight, and compact conformation is quick and easy for installation, improves detection efficiency and positioning accurate
Degree, it is achieved that the record storage of detection data；Easy and simple to handle, wide adaptability, can be suitably used for the ultrasound examination of valve rod；
Use Miniature coder, the positioning precision of detection with Real-time Feedback, can be improve for detection position；Fixing chain uses organizes chain more
Valve rod is carried out installing by joint and a buckle to be fixed, easy accessibility.
Through verification experimental verification, this scanning equipment is capable of detecting nuclear power station valve rod, it is possible to effectively detect valve
The circumferential defect of valve rod, and the circumferential position of defect can be positioned.
In sum, this utility model valve rod ultrasonic phase array detection scanning equipment, it is achieved that valve rod is not dismantled feelings
Scanning under condition, improves detection efficiency and positioning precision, reduce testing staff by irradiation dose.So, this practicality is new
Type effectively overcomes various shortcoming of the prior art and has high industrial utilization.
Above-described embodiment only illustrative principle of the present utility model and effect thereof, not for limiting this utility model.Any
Above-described embodiment all can be modified under spirit and the scope of the present utility model or change by those skilled in the art.
Therefore, such as art has usually intellectual without departing from the spirit disclosed in this utility model with under technological thought
All equivalences completed are modified or change, and must be contained by claim of the present utility model.
Claims (9)
1. a valve rod ultrasonic phase array detection scanning equipment, it is characterised in that: it includes surrounding one along the circumference of valve rod (1)
The fixing chain (2) of circle, the both sides of described fixing chain (2) are provided with multiple roller (3), and described roller (3) is around own axes
Rotating, the axis of described roller (3) is parallel with the axis of described valve rod (1), the outer peripheral face of described roller (3) and institute
The outer peripheral face stating valve rod (1) contacts, and described fixing chain (2) is fixed with at least one phased array probe (4).
Valve rod ultrasonic phase array the most according to claim 1 detection scanning equipment, it is characterised in that: described fixing chain (2)
On be fixed with encoder (5).
Valve rod ultrasonic phase array the most according to claim 1 detection scanning equipment, it is characterised in that: described phased array probe
(4) being fixed on probe contiguous block (6), described probe contiguous block (6) is connected with described fixing chain (2).
Valve rod ultrasonic phase array the most according to claim 3 detection scanning equipment, it is characterised in that: described probe contiguous block
(6) encoder (5) it is fixed with on.
Valve rod ultrasonic phase array the most according to claim 1 detection scanning equipment, it is characterised in that: described fixing chain (2)
Including multiple chain links (21), the plurality of chain link (21) joins end to end.
Valve rod ultrasonic phase array the most according to claim 5 detection scanning equipment, it is characterised in that: described fixing chain (2)
Being provided with buckle (7), described buckle (7) is positioned between adjacent two chain link (21).
Valve rod ultrasonic phase array the most according to claim 6 detection scanning equipment, it is characterised in that: described buckle (7)
For clamp button of the spring.
Valve rod ultrasonic phase array the most according to claim 5 detection scanning equipment, it is characterised in that: described chain link (21)
While being provided with two prominent lugs (22), described lug (22) is provided with the lug connecting hole run through, described chain link
(21) another side is provided with the connection bump (23) of protrusion, and described connection bump (23) is provided with the protruding connection run through
Hole, the connection bump (23) of described chain link (21) is positioned between two lugs (22) of adjacent another chain link (21),
The axis of described protruding connecting hole and the dead in line of the lug connecting hole matched, the chain link (21) that said two is adjacent leads to
Crossing the connecting shaft connection running through described protruding connecting hole, lug connecting hole, described connecting shaft extend out to described chain link (21) outward
The end sleeve in portion has described roller (3).
Valve rod ultrasonic phase array the most according to claim 5 detection scanning equipment, it is characterised in that: described phased array probe
(4) by probe contiguous block (6) be connected with described fixing chain (2), described probe contiguous block (6) be positioned at two adjacent
Chain link (21) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130924.8U CN205506767U (en) | 2016-02-19 | 2016-02-19 | Valve valve rod ultrasonic phased array detects scanning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130924.8U CN205506767U (en) | 2016-02-19 | 2016-02-19 | Valve valve rod ultrasonic phased array detects scanning apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205506767U true CN205506767U (en) | 2016-08-24 |
Family
ID=56724165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620130924.8U Active CN205506767U (en) | 2016-02-19 | 2016-02-19 | Valve valve rod ultrasonic phased array detects scanning apparatus |
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| CN (1) | CN205506767U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759886A (en) * | 2018-05-22 | 2018-11-06 | 中国电建集团河南工程有限公司 | A kind of boiler small diameter pipe welded joint detection device |
| CN109682886A (en) * | 2019-01-31 | 2019-04-26 | 国电锅炉压力容器检验有限公司 | A kind of ultrasonic phase array pipe detection automatic scanning device |
| CN110031549A (en) * | 2019-05-17 | 2019-07-19 | 中国石油天然气第一建设有限公司 | It is a kind of can two-way scanning type hand inclined pipe fillet weld phased array scanning equipment |
| CN112229913A (en) * | 2020-10-18 | 2021-01-15 | 安徽恩大阀门机械有限公司 | Ultrasonic flaw detection device for valve production |
-
2016
- 2016-02-19 CN CN201620130924.8U patent/CN205506767U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759886A (en) * | 2018-05-22 | 2018-11-06 | 中国电建集团河南工程有限公司 | A kind of boiler small diameter pipe welded joint detection device |
| CN109682886A (en) * | 2019-01-31 | 2019-04-26 | 国电锅炉压力容器检验有限公司 | A kind of ultrasonic phase array pipe detection automatic scanning device |
| CN110031549A (en) * | 2019-05-17 | 2019-07-19 | 中国石油天然气第一建设有限公司 | It is a kind of can two-way scanning type hand inclined pipe fillet weld phased array scanning equipment |
| CN112229913A (en) * | 2020-10-18 | 2021-01-15 | 安徽恩大阀门机械有限公司 | Ultrasonic flaw detection device for valve production |
| CN112229913B (en) * | 2020-10-18 | 2022-08-05 | 安徽恩大阀门机械有限公司 | Ultrasonic flaw detection device for valve production |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |