CN209247661U - Inner wall circumferential direction cloth sheet devices based on method ray detection saturating outside girth joint single wall - Google Patents
Inner wall circumferential direction cloth sheet devices based on method ray detection saturating outside girth joint single wall Download PDFInfo
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- CN209247661U CN209247661U CN201822226399.1U CN201822226399U CN209247661U CN 209247661 U CN209247661 U CN 209247661U CN 201822226399 U CN201822226399 U CN 201822226399U CN 209247661 U CN209247661 U CN 209247661U
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- support rod
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- fixed ring
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Abstract
Inner wall circumferential direction cloth sheet devices of the utility model based on method ray detection saturating outside girth joint single wall, belong to girth joint ray detection field, it is therefore an objective to realize circumferentially continuous exposure tests, improve detection efficiency.Including fixed ring, number set film holder and support rod with film holder equivalent；Support rod is circumferentially uniformly distributed along fixed ring；Each support rod inner end is connected with fixed ring, and outer end is connected with film holder；Support rod is can be along the telescopic rod of fixed ring radial expansion.The utility model, realizes the patch operation simultaneously of girth joint circumferential direction multiple location, saves the patch time, moreover it is possible to realize continuous exposure detection by rotating cylinder type III pressure vessel；Simultaneously, the number that operator enters inside cylinder internal pressure container is reduced 70% or more, manpower is saved, waste paper rate caused by can also substantially reducing because of unfavorable factors such as artificial, cylinder internal pressure container inner wall environmental structures, to reduce testing cost, it ensure that film making success rate, detection efficiency finally made to improve 70% or more.
Description
Technical field
The utility model belongs to heavy equipment industry, cylinder type III pressure vessel girth joint ray detection field, particularly
Inner wall circumferential direction cloth sheet devices based on method ray detection saturating outside girth joint single wall.
Background technique
Currently, when heavy equipment industry middle cylinder body type III pressure vessel girth joint ray detection, generally use patch mode into
Row circumferential direction pieces of cloth.However, film making quantity is big in the circular weld detection of heavy pressure vessel and nuclear power container, individual egative film is saturating
According to the time is long, detection time is long, detection efficiency is low and remaining roentgen dose X limits detection progress.Maximum problem is last
The detection of one weld seam, testing staff can only be entered at manhole flange carries out arrangement of film inside container.Up to tens of bottoms
The pieces of cloth amount of piece, seriously restricts detection progress.Meanwhile prolonged exposure causes the ray of detection remnants and ozone serious
Affect detection progress and personnel health.
Utility model content
The purpose of the utility model is to provide a kind of inner wall circumferential direction pieces of cloth based on method ray detection saturating outside girth joint single wall
Device saves detection time, realizes circumferentially continuous exposure tests, improves detection efficiency.
The technical solution adopted in the utility model is: the inner wall circumferential direction pieces of cloth based on method ray detection saturating outside girth joint single wall
Device, including fixed ring, number set film holder and support rod with film holder equivalent；The support rod is along fixed ring week
To uniformly distributed, and each support rod one end is connected with fixed ring, and the other end is connected with film holder；And the support rod is
It can be along the telescopic rod of fixed ring radial expansion.
Further, the support rod includes support rod one and support rod two；The support rod two is plugged in support rod one
It is interior, and the locking structure for locking the two relative position is provided between support rod one and support rod two.
Further, the locking structure include the pin hole one being arranged on support rod one, on support rod two along support rod two
One group of pin hole two being axially arranged and the shop bolt being plugged in pin hole one and pin hole two.
Further, the support rod one includes inner segment and outer segment, and the inner segment and outer segment are through connecting docking sleeve.
Further, the connecting rod with one equivalent of support rod is provided in fixed ring, the connecting rod is along fixed ring diameter
To fixed ring is installed on, the support rod one is threadedly engaged with connecting rod to be connect.
Further, the through-hole being adapted to connecting rod is provided in fixed ring；The connecting rod pass through through-hole and with position
Nut connection in corresponding through-hole two sides, the connecting rod is through the nut and fixed ring conjunction.
Further, each film holder includes film fixed link and two secondary support frames；The film fixed link
Inner end be threadedly engaged and connect with support rod two；Two secondary support frames are along the two sides of fixed ring circumferential direction separation film fixed link；It is described
Support frame one end is connecting pin, and the other end is working end；And the connecting pin of support frame is connected with film fixed link, working end to
The outer end of film fixed link extends, and constitutes film support portion by the working end of the inner end of film fixed link and support frame.
Further, the spherical shape in the outer end of the film fixed link and the working end of support frame.
Further, the connecting pin of support frame as described above is hinged with film fixed link, and in support frame and film fixed link
Between be provided with tension spring, described tension spring one end is connected with film fixed link, and the other end and corresponding support frame are connected
It connects.
The beneficial effects of the utility model are: the utility model, support rod is initially used for for film holder being installed on solid
Determine ring, so that all film holders is circumferentially formed a cyclic annular entirety along fixed ring, realize that girth joint circumferential direction multiple location pastes simultaneously
Piece operation, saves the patch time, moreover it is possible to continuous exposure detection is realized by rotating cylinder type III pressure vessel, to improve detection effect
Rate；Meanwhile the number that operator enters inside cylinder internal pressure container is reduced 70% or more, save manpower, moreover it is possible to
Waste paper rate caused by substantially reducing because of unfavorable factors such as artificial, cylinder internal pressure container inner wall environmental structures, to reduce inspection
Cost is surveyed, ensure that film making success rate, detection efficiency is finally made to improve 70% or more.Support rod is that can be stretched along fixed ring
The telescopic rod of contracting can enable the inner wall axial direction cloth sheet devices be done according to the internal diameter of cylinder type III pressure vessel by telescopic supporting rod
The adjusting of adaptation, better adaptability.
Detailed description of the invention
Fig. 1 is that the utility model uses schematic diagram；
Fig. 2 is film holder structural schematic diagram；
Fig. 3 is supporting bar structure schematic diagram；
Fig. 4 is partial enlarged view at the A of Fig. 1.
In figure, fixed ring 1, through-hole 11, connecting rod 12, nut 13, film holder 2, film fixed link 21, support frame
22, tension spring 23, support rod 3, support rod 1, inner segment 311, outer segment 312, connection sleeve 313, support rod 2 32, pin hole
One 33, pin hole 2 34, shop bolt 35, film 4, cylinder 5.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples as follows:
Based on inner wall circumferential direction cloth sheet devices of method ray detection thoroughly outside girth joint single wall, as shown in Figure 1, include fixed ring 1,
Number set film holder 2 and the support rod 3 with film holder equivalent；The support rod 3 is circumferential uniformly distributed along fixed ring 1；And it is each
3 inner end of root support rod is connected with fixed ring 1, and outer end is connected with film holder 2；And the support rod 3 be can be along fixation
The telescopic rod of 1 radial expansion of ring.
The utility model, film holder 2 for being fixed on film at the circumferential weld of cylinder type III pressure vessel, fix by film
The quantity of device 2 is determined according to the internal diameter of cylinder type III pressure vessel to be detected, if internal diameter is greater than the cylinder type III pressure vessel of 4000mm,
The test point of ray detection is usually at 32, therefore needs 32 sets of film holders 2.Support rod 3 is initially used for film holder 2
It is installed on fixed ring 1, keeps all film holders 2 cyclic annular whole along the circumferential formation of fixed ring 1 one, realizes that girth joint is circumferential more
Position patch operation simultaneously, saves the patch time, moreover it is possible to continuous exposure detection is realized by rotating cylinder type III pressure vessel, thus
Improve detection efficiency；Meanwhile the number that operator enters inside cylinder internal pressure container is reduced 70% or more, it saves
Manpower, moreover it is possible to waste paper rate caused by substantially reducing because of unfavorable factors such as artificial, cylinder internal pressure container inner wall environmental structures, thus
Testing cost is reduced, ensure that film making success rate, detection efficiency is finally made to improve 70% or more.Support rod 3 is can be along solid
Determine ring 1 and carry out flexible telescopic rod, can enable the inner wall axial direction cloth sheet devices according to cylinder class pressure by telescopic supporting rod 3
The internal diameter of container does the adjusting adapted to, better adaptability.
Wherein, support rod 3 can be threadedly engaged using multistage rod piece and is formed by connecting, and still, the mode of threaded connection is being adjusted
It is inconvenient to generate when saving 3 length of support rod, in order to overcome the problem, it is preferred that as shown in figure 3, the support rod 3 includes support rod
One 31 and support rod 2 32；The support rod 2 32 is plugged in support rod 1, and in support rod 1 and support rod 2 32
Between be provided with locking both relative position locking structure.
The mode of plug connection is more convenient for adjusting the length of support rod 3, and after 3 length adjustment of support rod, pass through
Relative position between locking structure lock support bar 1 and support rod 2 32 avoids support rod 1 and 2 32 phase of support rod
To sliding, patch quality is influenced.
Locking structure can be set in 2 32 outer wall of support rod or be set to the elastic piece etc. of one 31 inner wall of support rod, when
When support rod 2 32 is plugged in support rod 1, unfolding performance by the contraction of elastic piece makes support rod 2 32 and support rod 1
Opposite clamping, still, the structure fabrication higher cost, and elastic piece is vulnerable under Reusability.Optimal, the locking knot
One group of pin hole two that structure includes the pin hole 1 being arranged on support rod 1, is axially arranged on support rod 2 32 along support rod 2 32
34 and the shop bolt 35 that is plugged in pin hole 1 and pin hole 2 34.The structure, pin hole processing and fabricating is simple and convenient, and fixed
Position pin 35 is low in cost, in use, directly shop bolt 35 is inserted into pin hole 1 and pin hole 2 34, using just
Victory, and position reliable.
The diameter of heavy equipment industry middle cylinder body type III pressure vessel is usually larger, thus the length of required support rod 3 compared with
It is long, or even 4 meters can be reached, in order to place after dismantling, it is preferred that as shown in figure 3, the support rod 1 includes inner segment
311 and outer segment 312, the inner segment 311 is connect the docking of sleeve 313 with outer segment 312.
Support rod 1 can be directly mounted in fixed ring 1, it is preferred that as shown in figure 4, being provided in fixed ring 1
With the connecting rod 12 of one 31 equivalent of support rod, the connecting rod 12 is along 1 radially installed of fixed ring in fixed ring 1, the support rod
One 31 are threadedly engaged with connecting rod 12 and connect.
Connecting rod 12 is usually the quarter butt of a 100-150mm, and periphery, which is provided with, to be adapted to one 31 inner end of support rod
Screw thread, connecting rod 12 are connect by being threadedly engaged with support rod 1, are allowed to by adjusting support rod 1 and connecting rod
12 screw-in length adjusts the outer diameters of entire cloth sheet devices, achievees the purpose that correct cloth sheet devices outer diameter.
Connecting rod 12 can be welded to connect with fixed ring 1, still, in order to avoid welding deformation, also for being conveniently replaceable and
Folding and unfolding, it is optimal, as shown in figure 4, being provided with the through-hole 11 being adapted to connecting rod 12 in fixed ring 1；The connecting rod 12 is worn
It crosses through-hole 11 and is connected with the nut 13 for being located at corresponding 11 two sides of through-hole, the connecting rod 12 is through the nut 13 and fixed ring 1
Conjunction.
By being provided with one section of external screw thread and the cooperation of nut 13 in the inner end of connecting rod 12, to by connecting rod 12 and fix
Ring 1 is put together on together, when production, fixed ring 1 and 11 simultaneous processing of through-hole thereon, in use, again by connecting rod 12 and fixed
Ring 1 is assembled, easy to assembly, avoids welding deformation.It is stored after connecting rod 12 being dismantled with fixed ring 1, occupied space
It is smaller.
Film holder 2 can be a bar, and bar outer end is for fixing film, or one block of plate, plate outer end face are used
In fixed film.Optimal, as shown in Fig. 2, each film holder 2 includes film fixed link 21 and two secondary support frames
22；The inner end of the film fixed link 21 is threadedly engaged with support rod 2 32 to be connect；Two secondary support frames 22 are along circumferential point of fixed ring 1
Occupy the two sides of film fixed link 21；22 one end of support frame as described above is connecting pin, and the other end is working end；And the connection of support frame 22
End is connected with film fixed link 21, and working end extends to the outer end of film fixed link 21, and by the inner end of film fixed link 21
Film support portion is constituted with the working end of support frame 22.
When work, the outer end of film fixed link 21, two secondary support frames 22 working end three at it is concyclic, pass through film fixed link
21 outer end, two secondary support frames 22 working end three at film 4 is limited, so that film 4 is preferably pasted with tested position
It closes.
In order to preferably arrange film, it is preferred that cut with scissors with 21 phase of film fixed link the connecting pin of support frame as described above 22
It connects, and is provided with tension spring 23 between support frame 22 and film fixed link 21, described 23 one end of tension spring and film are solid
Fixed pole 21 is connected, and the other end is connected with corresponding support frame 22.
Since the outer end of film fixed link 21 and the working end of support frame 22 directly contact with film 4 and abut against film 4
In 5 inner wall of cylinder, in order to avoid scratching film 4, it is preferred that the outer end of the film fixed link 21 and the work of support frame 22
Hold spherical shape.
It is hinged by the connecting pin and film fixed link 21 of support frame 22, when 22 continuous contact of support frame to cylinder class pressure
When the inner wall of force container, the inner wall of cylinder type III pressure vessel generates pressure to support frame 22, and support frame 22 can be rotated around hinged place,
Up to the working end of support frame 22 and the outer end of fixed link 21 are against the inner wall of cylinder type III pressure vessel, at this point, in pulling force bullet
Under the action of spring 23, support frame 22 generates pressure to the inner wall of cylinder type III pressure vessel, so that film is tightly pressed upper shell class
The inner wall of pressure vessel improves the fixed fastness of film.
Claims (9)
1. the inner wall circumferential direction cloth sheet devices based on method ray detection saturating outside girth joint single wall, it is characterised in that: including fixed ring
(1), number set film holder (2) and the support rod (3) with film holder (2) equivalent；The support rod (3) is along fixed ring
(1) circumferential uniformly distributed, and each support rod (3) one end is connected with fixed ring (1), the other end is connected with film holder (2)；
And the support rod (3) be can be along the telescopic rod of fixed ring (1) radial expansion.
2. the inner wall circumferential direction cloth sheet devices as described in claim 1 based on method ray detection saturating outside girth joint single wall, feature
Be: the support rod (3) includes support rod one (31) and support rod two (32)；The support rod two (32) is plugged in support rod
In one (31), and the locking structure for locking the two relative position is provided between support rod one (31) and support rod two (32).
3. the inner wall circumferential direction cloth sheet devices as claimed in claim 2 based on method ray detection saturating outside girth joint single wall, feature
Be: the locking structure include the pin hole one (33) being arranged on support rod one (31), on support rod two (32) along support rod two
(32) one group of pin hole two (34) being axially arranged and the shop bolt (35) being plugged in pin hole one (33) and pin hole two (34).
4. the inner wall circumferential direction cloth sheet devices as claimed in claim 2 or claim 3 based on method ray detection saturating outside girth joint single wall, special
Sign is: the support rod one (31) includes inner segment (311) and outer segment (312), and the inner segment (311) and outer segment (312) are through even
Female connector cylinder (313) docking.
5. the inner wall circumferential direction cloth sheet devices as claimed in claim 2 or claim 3 based on method ray detection saturating outside girth joint single wall, special
Sign is: the connecting rod (12) with support rod one (31) equivalent is provided on fixed ring (1), the connecting rod (12) is along fixation
Ring (1) radially installed is threadedly engaged with connecting rod (12) and connect in fixed ring (1), the support rod one (31).
6. the inner wall circumferential direction cloth sheet devices as claimed in claim 5 based on method ray detection saturating outside girth joint single wall, feature
It is: is provided with the through-hole (11) being adapted to connecting rod (12) on fixed ring (1)；The connecting rod (12) passes through through-hole (11)
And connected with the nut (13) for being located at corresponding through-hole (11) two sides, the connecting rod (12) is through the nut (13) and fixed ring
(1) conjunction.
7. the inner wall week based on method ray detection saturating outside girth joint single wall as described in claim 1-3 any one claim
To cloth sheet devices, it is characterised in that: each film holder (2) includes film fixed link (21) and two secondary support frames
(22)；The inner end of the film fixed link (21) is threadedly engaged with support rod two (32) to be connect；Two secondary support frames (22) are along fixation
The two sides of circumferential separation film fixed link (21) of ring (1)；Support frame as described above (22) one end is connecting pin, and the other end is working end；
And the connecting pin of support frame (22) is connected with film fixed link (21), working end extends to the outer end of film fixed link (21),
And film support portion is constituted by the working end of the inner end of film fixed link (21) and support frame (22).
8. the inner wall circumferential direction cloth sheet devices as claimed in claim 7 based on method ray detection saturating outside girth joint single wall, feature
It is: the spherical shape in working end of the outer end and support frame (22) of the film fixed link (21).
9. the inner wall circumferential direction cloth sheet devices as claimed in claim 7 based on method ray detection saturating outside girth joint single wall, feature
Be: the connecting pin of support frame as described above (22) is hinged with film fixed link (21), and in support frame (22) and film fixed link
(21) it is provided between tension spring (23), described tension spring (23) one end is connected with film fixed link (21), the other end
It is connected with corresponding support frame (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226399.1U CN209247661U (en) | 2018-12-27 | 2018-12-27 | Inner wall circumferential direction cloth sheet devices based on method ray detection saturating outside girth joint single wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226399.1U CN209247661U (en) | 2018-12-27 | 2018-12-27 | Inner wall circumferential direction cloth sheet devices based on method ray detection saturating outside girth joint single wall |
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| Publication Number | Publication Date |
|---|---|
| CN209247661U true CN209247661U (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822226399.1U Active CN209247661U (en) | 2018-12-27 | 2018-12-27 | Inner wall circumferential direction cloth sheet devices based on method ray detection saturating outside girth joint single wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525928A (en) * | 2020-10-19 | 2021-03-19 | 东方电气集团东方锅炉股份有限公司 | Welding seam radiographic inspection film camera bag fixing device |
-
2018
- 2018-12-27 CN CN201822226399.1U patent/CN209247661U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525928A (en) * | 2020-10-19 | 2021-03-19 | 东方电气集团东方锅炉股份有限公司 | Welding seam radiographic inspection film camera bag fixing device |
| CN112525928B (en) * | 2020-10-19 | 2023-10-31 | 东方电气集团东方锅炉股份有限公司 | Welding seam ray detection film hidden bag fixing device |
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