CN206740674U - A kind of γ sources flaw detection support - Google Patents
A kind of γ sources flaw detection support Download PDFInfo
- Publication number
- CN206740674U CN206740674U CN201720538435.0U CN201720538435U CN206740674U CN 206740674 U CN206740674 U CN 206740674U CN 201720538435 U CN201720538435 U CN 201720538435U CN 206740674 U CN206740674 U CN 206740674U
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- China
- Prior art keywords
- expansion link
- sources
- sleeve pipe
- conduit
- hole
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of γ sources flaw detection support, belong to radiographic inspection servicing unit, aim to provide a kind of vertical range that can be conveniently adjusted between radioactive source and weld seam to be measured, improve the γ sources flaw detection support for quality of taking pictures, its drip irrigation device is, including the conduit for being set in outside γ sources, expansion link is radially connected with the outer wall of conduit, sleeve pipe is arranged with expansion link, the control piece for adjusting and limiting expansion link and sleeve pipe Relative sliding is connected between expansion link and sleeve pipe, the one end of sleeve pipe away from expansion link is provided with the snap ring for this kind of γ sources flaw detection support to be fixed to pipe under test.
Description
Technical field
A kind of radiographic inspection servicing unit is the utility model is related to, more particularly to a kind of γ sources flaw detection support.
Background technology
With extensive use of the process pipe in petroleum chemical industry, the security that pipeline uses is asked as key
Topic.Particularly the welding quality of pipeline turns into the most important thing, and the Site Welding condition of petrochemical processing pipeline is poor, unlike making
Workshop can use the measure of all guarantee welding qualities.And petrochemical pipe is mostly in outdoor, some are tens
Comparatively dense is compared in the high-altitude of rice, the arrangement of some pipelines（Gap very little between pipeline and pipeline）, these all come to welding and detection band
Very big difficulty, in order to ensure welding quality, often the welding point of these pipelines is required for carrying out ray detection.
Traditional ray detection method is usually to be close to pipe according to X-ray production apparatus of the different size of pipeline from suitable types
Road welding point（Or certain focal length）Transillumination one is enclosed, and the inspection of whole road weld bond cannot be completed when pipeline and pipeline gap are too small
Survey, local missing inspection be present or ellipse can not be according to 90 ° or 120 ° transillumination imagings of standard requirement.
Existing radiographic source does not have special fixing device, by cystosepiment and elastic threads to being provided with the leading of radioactive source
Pipe is fixed, and during work, the radioactive source in dummy pipe is released, and alignment weld seam is taken pictures, but because of this kind of fixation
Method is not easy to according to pipe under test arrangement dense degree or in order to meet the requirement of minimum focus to adjust radioactive source with treating
The vertical range surveyed between weld seam so that the quality taken a picture reduces.
Utility model content
The purpose of this utility model is to provide a kind of γ sources flaw detection support, can be conveniently adjusted radioactive source and weld seam to be measured
Between vertical range, raising takes pictures quality.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of γ sources flaw detection branch
Frame, including the conduit for being set in outside γ sources, are radially connected with expansion link on the outer wall of the conduit, on the expansion link
Sleeve pipe is arranged with, the control for adjusting and limiting expansion link and sleeve pipe Relative sliding is connected between the expansion link and sleeve pipe
Part, the one end of described sleeve pipe away from expansion link are provided with the snap ring for this kind of γ sources flaw detection support to be fixed to pipe under test.
Pass through above-mentioned technical proposal, sliding sleeve can change the length of support outside expansion link, and then can be easily
The vertical range between radioactive source and weld seam to be measured is adjusted, and is entered the expansion link for regulating length and sleeve pipe by control piece
Row is fixed, and then meets the requirement of minimum focus, improves definition of taking pictures.
Further, the internal diameter of described sleeve pipe is more than the external diameter of expansion link, periphery of the described sleeve pipe close to one end of conduit
Extend internally the baffle ring for being provided with and departing from expansion link for limiting boot, and the one end of the expansion link away from conduit is peripherally outside
The spacing ring having for propping up baffle ring is extended, the internal diameter of the baffle ring is less than the external diameter of spacing ring, and the spacing ring is close
The side axial direction array of baffle ring has some grabs, and some stopper slots stretched into for grab are provided with the baffle ring, described spacing
The side of groove is provided with the neck for limiting grab movement, and the width of the neck is less than the width of stopper slot.
Pass through above-mentioned technical proposal, the baffle ring of cannula tip and the spacing ring of telescopic rod end are as control piece, spacing ring
External diameter be more than baffle ring internal diameter, expansion link can be limited and skidded off at ferrule openings；And pass through axial array on spacing ring
Grab and baffle ring upper limit position groove and neck cooperate so that need to elongate between radioactive source and weld seam to be measured it is vertical away from
From when, expansion link is stretched into one end of sleeve pipe first and slid to the direction for stretching out sleeve pipe, may then pass through the card of spacing ring
Hook is stretched into the stopper slot on baffle ring, and after clicker is heard, grab is caught in neck, and sleeve pipe interfixes with expansion link,
It can be detected, it is easy to operate；And when needing to shorten the vertical range between radioactive source and weld seam to be measured, can will be spacing
The grab of ring, which continues to stretch into stopper slot, to be slided so that grab departs from neck, then rotating extensible arm, you can stretches into expansion link
In sleeve pipe, shorten the length of expansion link and sleeve pipe, you can detected, it is easy to operate.
Further, chute has been arranged in an axially parallel mode along expansion link positioned at opposite sides in the side wall of the spacing ring, institute
State the sliding block for being provided with the inwall of sleeve pipe and matching with chute.
Pass through above-mentioned technical proposal, sleeve pipe top shoe and spacing ring upper hopper chute cooperate, and limiting boot is along expansion link axle
To line slip is entered, improve because sleeve pipe is radially rotated so that the grab on spacing ring is not easy to insert on baffle ring in sliding process
Stopper slot in so that it is easier for installation.
Further, one end away from conduit is provided through the through hole of expansion link in the side wall of the expansion link, described
Compression spring is provided with through hole, the both ends of the compression spring are symmetrically connected with fixture block, and the fixture block stretches out through hole, the set
It is arranged with some hole clippings stretched out for fixture block in side wall on pipe in parallel vertically, when the fixture block stretches out hole clipping, the card
Block is located in through hole close to one end of compression spring.
Pass through above-mentioned technical proposal, the hole clipping on expansion link in the setting and sleeve pipe of fixture block cooperate, and can pass through tune
Save sleeve pipe to move axially along expansion link in the hole clipping for causing fixture block insertion different height, and then radioactive source and weldering to be measured can be adjusted
Vertical range between seam, improve the definition taken pictures.
Further, waist-shaped hole one is provided with described sleeve pipe, is threaded with the expansion link through waist-shaped hole one
Threaded rod one, the threaded rod one is connected with screw knob one, the screw knob one through the threaded one end of waist-shaped hole one
Size be more than waist-shaped hole one.
Pass through above-mentioned technical proposal, the spiral shell that the waist-shaped hole one be arrangeding in parallel vertically on sleeve pipe is threadedly coupled with expansion link
Rasp bar one cooperates so that can be slided on expansion link with adjusting sleeve pipe and is fixed by screw knob one.
Further, the snap ring is semicircle, and the screwed hole towards the snap ring center of circle is provided with the side wall of the snap ring,
The screw rod of the pipe under test for propping up different tube diameters is equipped with the screwed hole, the screwed hole of snap ring is located on the screw rod
Outside screw is connected with clamp nut.
Pass through above-mentioned technical proposal, the screw rod towards pipe under test being threadedly coupled on snap ring, can by screwing or
Loosen screw rod to adapt to the pipe under test of different tube diameters, snap ring is fixed in pipe under test.
Further, the screwed hole is evenly arranged with least one along snap ring.
Pass through above-mentioned technical proposal, the setting of the screw rod of multiple screwed hole and screwed hole internal thread connections improve snap ring
The stability being installed in pipe under test.
Further, the one end stretched out on the conduit positioned at γ sources is covered with radiation shield, is set in the radiation shield
It is equipped with the rediation aperture for limiting ray radiation scope.
Pass through above-mentioned technical proposal, due to γ sources towards four directions radiate, worker during detection, inevitably by
To radiation effect, pass through the setting of radiation shield and rediation aperture so that can reduce and penetrate while weld seam is detected with the device
Line increases the safe distance of operation to operation regional diffusion.
Further, the radiation shield includes the body for being connected with conduit and the cover in the γ sources of stretching is set for cover
Body, the axially disposed threaded rod two for having waist-shaped hole two, being threaded with through waist-shaped hole two on the conduit on the body,
The threaded one end of the threaded rod two through waist-shaped hole two is connected with screw knob two, and the size of the screw knob two is more than waist
Type hole two.
Pass through above-mentioned technical proposal, waist-shaped hole two and supravasal threaded rod is threaded in through waist-shaped hole two on body
Two cooperate, and can easily control conduit to stretch into or pull out cover body, and are contradicted by screw knob two on conduit, will lead
Pipe is fixed with radiation shield, and then changes the horizontal range between radioactive source and weld seam to be measured so that need not be by snap ring
Disassembled from body to be measured, you can regulation rediation aperture is located at the top of weld seam.
In summary, the utility model has the advantages that：
Expansion link and sleeve pipe are fixed by sliding sleeve outside expansion link and control piece, can be conveniently adjusted and stretch
The total length of contracting bar and sleeve pipe, and then change vertical range of the γ sources between weld seam to meet the requirement of minimum focus, carry
Height is taken pictures definition；
Control piece is used as or by waist-shaped hole on sleeve pipe by the baffle ring of cannula tip and the spacing ring of telescopic rod end
One cooperates with the threaded rod one on expansion link, and the expansion link and sleeve pipe that can select that total length will be regulated are fixed；
Operator can be reduced by the influence radiated by the setting of the rediation aperture on radiation shield and radiation shield,
Increase the safe distance of operation.
Brief description of the drawings
Fig. 1 is to be used to embody the connection relationship diagram between expansion link and sleeve pipe in embodiment 1；
Fig. 2 is to be used to embody the connection relationship diagram between spacing ring and baffle ring in embodiment 2；
Fig. 3 is to be used to embody the connection relationship diagram between compression spring, fixture block and expansion link in embodiment 3；
Fig. 4 is to be used to embody the connection relationship diagram between radiation shield and conduit in embodiment 4.
In figure, 1, conduit；11st, threaded rod two；12nd, screw knob two；2nd, expansion link；21st, through hole；22nd, compression spring；
23rd, fixture block；24th, hole clipping；25th, threaded rod one；26th, screw knob one；3rd, sleeve pipe；31st, sliding block；32nd, waist-shaped hole one；4th, control
Part；41st, baffle ring；411st, stopper slot；4111st, neck；42nd, spacing ring；421st, grab；422nd, chute；5th, snap ring；51st, screwed hole；
52nd, screw rod；53rd, magnetic pad；6th, radiation shield；61st, body；611st, waist-shaped hole two；62nd, cover body；63rd, rediation aperture.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：A kind of γ sources are detected a flaw support, as shown in figure 1, including the conduit 1 for being arranged γ sources, conduit 1 it is outer
Expansion link 2 is vertically welded with wall, the one end of expansion link 2 away from conduit 1 is arranged with sleeve pipe 3, and sleeve pipe 3 can be along expansion link 2
Axially in parallel sliding, is connected with control piece 4 between expansion link 2 and sleeve pipe 3, control piece 4 can adjust or limit expansion link 2 with
Relative slip between sleeve pipe 3.Control piece 4 includes threaded rod 1 and screw knob 1, and waist-shaped hole one is provided with sleeve pipe 3
32, the end of threaded rod 1 is threadedly coupled through waist-shaped hole 1 with expansion link 2, and threaded rod passes one end and the spiral shell of waist-shaped hole 1
Line knob 1 is threadedly coupled, and the size of screw knob 1 is more than waist-shaped hole 1, can propped up by screw knob 1
Sleeve pipe 3, sleeve pipe 3 and expansion link 2 are fixed up.
As shown in figure 1, the one end of sleeve pipe 3 away from expansion link 2 is provided with the snap ring 5 of semi-annular, set in the side wall of snap ring 5
It is equipped with multiple screwed holes 51, in the present embodiment, screwed hole 51 is provided with 3, and screwed hole 51 is set towards the direction in the center of circle of snap ring 5
Put, the internal thread of screwed hole 51 is connected with screw rod 52, the distance by adjusting screw rod 52 apart from the center of circle of snap ring 5, for use in difference
The weld seam detection of the pipe under test of caliber.Screw rod 52 is provided with magnetic pad 53, magnetic pad 53 towards the one end in the center of circle of snap ring 5
In circular arc, pipe under test can be close to by magnetic pad 53, reduce and relative displacement occurs between pipe under test and snap ring 5
Situation.
Embodiment 2：A kind of γ sources flaw detection support, as shown in Fig. 2 being with the difference of embodiment 1, the present embodiment
In, control piece 4 includes baffle ring 41 and spacing ring 42, and baffle ring 41 is located at sleeve pipe 3 close to one end of expansion link 2 and peripherally inwardly prolonged
Stretch setting, spacing ring 42 be located at expansion link 2 close to one end of sleeve pipe 3 and the setting that peripherally stretches out, the internal diameter of baffle ring 41 it is small
In the external diameter of spacing ring 42 so that when pulling up expansion link 2 relative to sleeve pipe 3, expansion link 2 mutually contradicts with sleeve pipe 3, and
And the external diameter of spacing ring 42 is identical with the internal diameter of sleeve pipe 3, the stability that expansion link 2 slides in sleeve pipe 3 is improved.
As shown in Fig. 2 spacing ring 42 is provided with some grabs 421 in the side contradicted with baffle ring 41, grab 421 includes hook
Shape portion and vertical portion, array is provided with four to grab 421 vertically, and four limits stretched into for grab 421 are provided with baffle ring 41
Position groove 411, the side of stopper slot 411 is provided with the neck 4111 to match with hook portion, when grab 421 is stretched into stopper slot 411
When, grab 421 be can extend into neck 4111, and spacing ring 42 and baffle ring 41 are fixed up.The width of neck 4111 is less than limit
The width of position groove 411, by pulling up expansion link 2 and rotating grab 421 can be made to depart from neck 4111, so as to easily will
Spacing ring 42 departs from baffle ring 41.
As shown in Fig. 2 being located in the side wall of spacing ring 42, relative both sides are axially disposed chute 422, sleeve pipe 3
It is axially disposed on inwall to have the sliding block 31 to match with chute 422.
Embodiment 3：A kind of γ sources flaw detection support, as shown in figure 3, being with the difference of embodiment 1, control piece 4 wraps
Include compression spring 22 and fixture block 23, have through hole 21, through hole 21 along center line symmetrical setting in the side wall of the opposite sides of expansion link 2
One end away from conduit 1, compression spring 22 are arranged in through hole 21 on expansion link 2, and the both ends of compression spring 22 symmetrically connect
Fixture block 23 is connected to, is arranged with some hole clippings 24 in the side wall of the opposite sides of sleeve pipe 3 in parallel vertically, a part for fixture block 23 is being pressed
Hole clipping 24 is stretched out in the presence of contracting spring 22, can be with adjustable telescopic rod 2 and set by the way that fixture block 23 is pushed into different hole clippings 24
The total height of pipe 3, and then change γ sources apart from the distance between weld seam to be measured to focus.
Embodiment 4：A kind of γ sources flaw detection support, as shown in figure 4, being with the difference of embodiment 1, is used on conduit 1
Radiation shield 6 is covered with one end that γ sources are stretched out, radiation shield 6 includes body 61 and cover body 62, and body 61 is connected with conduit 1
Connect, the external diameter of the internal diameter and conduit 1 of body 61 matches, and body 61 is set on conduit 1, axially disposed on body 61 to have waist
Type hole 2 611, the threaded rod 2 11 through waist-shaped hole 2 611 is threaded with conduit 1, and threaded rod 2 11 passes waist-shaped hole two
611 threaded one end is connected with screw knob 2 12, and the size of screw knob 2 12 is more than waist-shaped hole 2 611.In radiation shield 6
It is provided with the rediation aperture 63 for limiting ray radiation scope.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (9)
- The support 1. a kind of γ sources are detected a flaw, including for being arranged the conduit (1) in γ sources, it is characterized in that：On the outer wall of the conduit (1) Expansion link (2) is radially connected with, the one end of the expansion link (2) away from conduit (1) is arranged with sleeve pipe (3), the expansion link (2) control piece (4) for adjusting and limiting expansion link (2) and sleeve pipe (3) Relative sliding, institute are connected between sleeve pipe (3) The one end of sleeve pipe (3) away from expansion link (2) is stated to be provided with for this kind of γ source support of detecting a flaw to be fixed into the snap ring of pipe under test (5)。
- 2. a kind of γ sources flaw detection support according to claim 1, it is characterized in that：The internal diameter of described sleeve pipe (3) is more than flexible The external diameter of bar (2), periphery of the described sleeve pipe (3) close to one end of conduit (1) extends internally to be provided with to be taken off for limiting boot (3) From the baffle ring (41) of expansion link (2), the one end of the expansion link (2) away from conduit (1), which peripherally stretches out to be provided with, to be used for The spacing ring (42) of baffle ring (41) is propped up, the internal diameter of the baffle ring (41) is less than the external diameter of spacing ring (42), the spacing ring (42) there are some grabs (421) close to the side axial direction array of baffle ring (41), be provided with the baffle ring (41) and some supply grab (421) stopper slot (411) stretched into, the side of the stopper slot (411) are provided with the neck mobile for limiting grab (421) (4111), the width of the neck (4111) is less than the width of stopper slot (411).
- 3. a kind of γ sources flaw detection support according to claim 2, it is characterized in that：It is located in the side wall of the spacing ring (42) Opposite sides has been arranged in an axially parallel mode chute (422) along expansion link (2), is provided with the inwall of described sleeve pipe (3) and chute (422) sliding block (31) to match.
- 4. a kind of γ sources flaw detection support according to claim 1, it is characterized in that：It is remote in the side wall of the expansion link (2) One end of conduit (1) is provided through the through hole (21) of expansion link (2), and compression spring (22) is provided with the through hole (21), The both ends of the compression spring (22) are symmetrically connected with fixture block (23), and the fixture block (23) stretches out through hole (21), described sleeve pipe (3) On side wall on be arranged with parallel vertically it is some for fixture blocks (23) stretch out hole clippings (24), when the fixture block (23) stretch out hole clipping (24) when, the fixture block (23) is located in through hole (21) close to one end of compression spring (22).
- 5. a kind of γ sources flaw detection support according to claim 1, it is characterized in that：It is axially disposed in described sleeve pipe (3) to have Waist-shaped hole one (32), the expansion link (2) are threaded with the threaded rod one (25) through waist-shaped hole one (32), the threaded rod One (25) are connected with screw knob one (26), the size of the screw knob one (26) through the threaded one end of waist-shaped hole one (32) More than waist-shaped hole one (32).
- 6. a kind of γ sources flaw detection support according to claim 1, it is characterized in that：The snap ring (5) is semicircle, the card Some screwed holes (51) towards snap ring (5) center of circle are provided with the side wall of ring (5), screwed hole (51) internal thread is connected with For the screw rod (52) for the pipe under test for propping up different tube diameters.
- The support 7. γ sources according to claim 6 are detected a flaw, it is characterized in that：The screwed hole (51) uniformly sets along snap ring (5) It is equipped with least one.
- 8. a kind of γ sources flaw detection support according to claim 1, it is characterized in that：It is located on the conduit (1) and is stretched for γ sources The one end gone out is covered with radiation shield (6), and the rediation aperture for limiting ray radiation scope is provided with the radiation shield (6) (63)。
- 9. a kind of γ sources flaw detection support according to claim 8, it is characterized in that：The radiation shield (6) include be used for The body (61) of conduit (1) connection and set for cover stretching γ sources cover body (62), it is axially disposed on the body (61) There is waist-shaped hole two (611), the threaded rod two (11) through waist-shaped hole two (611), the spiral shell are threaded with the conduit (1) The threaded one end of rasp bar two (11) through waist-shaped hole two (611) is connected with screw knob two (12), the screw knob two (12) Size be more than waist-shaped hole two (611).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538435.0U CN206740674U (en) | 2017-05-13 | 2017-05-13 | A kind of γ sources flaw detection support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538435.0U CN206740674U (en) | 2017-05-13 | 2017-05-13 | A kind of γ sources flaw detection support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206740674U true CN206740674U (en) | 2017-12-12 |
Family
ID=60565952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720538435.0U Expired - Fee Related CN206740674U (en) | 2017-05-13 | 2017-05-13 | A kind of γ sources flaw detection support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206740674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021120479A1 (en) * | 2019-12-20 | 2021-06-24 | 江苏科泰检测技术服务有限公司 | Weld seam flaw detection auxiliary device |
| CN114295655A (en) * | 2021-12-29 | 2022-04-08 | 海默新宸水下技术(上海)有限公司 | Offshore platform jacket water leakage detector |
-
2017
- 2017-05-13 CN CN201720538435.0U patent/CN206740674U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021120479A1 (en) * | 2019-12-20 | 2021-06-24 | 江苏科泰检测技术服务有限公司 | Weld seam flaw detection auxiliary device |
| CN114295655A (en) * | 2021-12-29 | 2022-04-08 | 海默新宸水下技术(上海)有限公司 | Offshore platform jacket water leakage detector |
| CN114295655B (en) * | 2021-12-29 | 2024-03-08 | 海默新宸水下技术(上海)有限公司 | Water leakage detector for jacket of offshore platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 |