CN206974929U - A kind of process pipelines weld seam detection γ sources conveying device - Google Patents
A kind of process pipelines weld seam detection γ sources conveying device Download PDFInfo
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- CN206974929U CN206974929U CN201720883633.0U CN201720883633U CN206974929U CN 206974929 U CN206974929 U CN 206974929U CN 201720883633 U CN201720883633 U CN 201720883633U CN 206974929 U CN206974929 U CN 206974929U
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Abstract
The utility model describes a kind of process pipelines weld seam detection γ sources conveying device, including attachment structure between preceding combined support frame, rear combined support frame, support；Preceding combined support frame includes body in cavity type support, is arranged on three support arms in cavity type support on body, the double rollers group mechanism that three support arm front ends are set respectively；Combined support frame also includes body in cavity type support, is arranged on three support arms in cavity type support on body, the double rollers group mechanism that three support arm front ends are set respectively afterwards；Attachment structure includes cating nipple, universal joint connecting tube, connection end between support；The hollow channel that the hollow part of body is formed during the hollow part of attachment structure and cavity type support between support, to as the defeated source channels in γ sources.The utility model has following beneficial effect：The requirement of the pipeline of different quality can be met.After the transilluminator, the transillumination time greatly shortens, and operating efficiency significantly improves.
Description
Technical field
Pipeline weld seam detection technology is the utility model is related to, particularly a kind of process pipelines weld seam detection is conveyed with γ sources and filled
Put.
Background technology
Flaw detection is also named " nondestructive inspection ", is exactly checked in the weld seam of welding either with or without the technology of defect.The defects of general, has
Stomata, crackle plus slag, lack of penetration etc..Conventional nondestructive means has ultrasonic examination：Weld metal is penetrated with ultrasonic wave,
The waveform on oscillograph is checked, the multi-form of waveform indicates zero defect, which kind of defect.Another kind is " multichannel is automatic
Ultrasonic examination ", it just as giving people to do CT examination body, can be layered, three-dimensionally reflect the form of defect, and use computer
Record.The third is " radiographic inspection ", and weld metal is penetrated with X ray or gamma-rays, and is exposed with photographic negative, shadow
As making photographic negative, it can check at any time, just as giving people to check that body shines X-ray.Each weld seam of pipeline will be through
Nondestructive inspection is crossed, the data of nondestructive inspection will retain archive.
With the popularization and application that large-scale long-distance pipe transports, pipeline welding quality is directly connected to the reliability of transport.
As the novel device of welding quality inspection, the research of pipe testing apparatus and it is applied to for study hotspot both domestic and external.
201210185756.9 describe a kind of adjustable pipe center transillumination device, including radiographic source, photohead, source guarantor
Protect chamber, bolt, first segment support, the second section support, radiographic source delivery pipe；Radiographic source delivery pipe is positioned at threaded hollow
In pipe, radioactive source is fixed on wire one end among radiographic source delivery pipe；Bolt is located at first segment branch after source protection chamber
On the threaded hollow pipe of frame, tapped fixing hole is set above, and fixing hole is also cross threaded hollow pipe one
Side pipe wall, set screw is by the way that radiographic source delivery pipe is fixed on fixing hole；First segment and the second section support include band
Hollow pipe, back-moving spring, former and later two support rings, three support arms, the threaded fastening adjustment ring of screw thread, front support ring position
In radiographic source and source protection chamber rear, before rear support ring is located at threaded fastening adjustment ring, rear support ring can be threaded
Hollow pipe on move, for back-moving spring among two retainer rings, each support arm includes former and later two supporting legs and guiding
Wheel；Three support frames are provided with each support ring, support frame is provided with positioning hole, and each supporting leg rear and front end is respectively provided with logical
Hole；Supporting leg one end is connected by through hole with positioning hole by bearing pin, and the other end is passed through by the shaft core of fixing hole and directive wheel
Bearing pin connects；Angle between three support arms is 100 ~ 140 degree；Second section support is located at first segment support rear, the second section
The front end of support sets internal thread, is fixedly connected with first segment support by the external screw thread of the hollow pipe of first segment support.Use
When, by adjustable pipe center transillumination device, radiographic source delivery pipe, regulation support brachium are inserted among threaded hollow pipe
Adjustable pipe center transillumination device is entered in pipeline, adjustable pipe center transillumination device is sent into pipeline, will
Radioactive source positions；The position of transillumination weld seam is determined after radioactive source positioning again.When needing regulation support brachium, rotate threaded tight
Gu regulation ring, rear support ring is set to be moved on threaded hollow pipe, so that support arm length changes, so as to adapt to difference
Pipeline.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of process pipelines weld seam detection γ sources conveying device,
To solve the problems, such as the problem of out-of-flatness inside the conveying of process pipelines weld seam detection γ sources and process pipe.
In order to realize the purpose for solving above-mentioned technical problem, the utility model employs following technical scheme：
A kind of process pipelines weld seam detection γ sources conveying device, including：Preceding combined support frame, the support of rear combined type
Attachment structure between frame, support；Wherein, preceding combined support frame includes body in cavity type support, is arranged on body in cavity type support
On three support arms, the double rollers group mechanism that sets respectively of three support arm front ends；Combined support frame also includes cavity afterwards
Body in formula support, it is arranged on three support arms in cavity type support on body, the double rollers that three support arm front ends are set respectively
Group mechanism；Double rollers group mechanism includes roller connector, front wheel and front wheel rear roller in the same direction；Roller connector connects
In support arm front end, and front wheel, rear roller are connected respectively；
Attachment structure includes cating nipple, universal joint connecting tube, connection end between support；Cating nipple, universal joint
Connecting tube, connection end are at least one；
Connection end inner hollow, one end connect preceding combined support frame or rear combined support frame, other end connection
Universal joint connecting tube；
Universal joint connecting tube is hollow, and one end is connected to connection end, and the other end sets universal joint to be connected mechanism, to
Universal-joint mechanism；
It is hollow structure inside cating nipple, one end is swivel, and swivel is rotatably fixed to universal joint connection
Fixed mechanism, the other end are either connected to rear combined support frame or are connected to preceding combined support frame, or are connected to another
One universal joint connecting tube is simultaneously connected to rear combined support frame or preceding combined support frame by connection end；
The hollow channel that the hollow part of body is formed during the hollow part of attachment structure and cavity type support between support, to
As the defeated source channels in γ sources.
Further specifically, described roller connector includes support connector, front wheel support member, rear roller support
Part；Front wheel support member, rear roller support member are arranged on support connector.
Further specifically, the double rollers group mechanism set on the support arm, forward and backward roller are not only located at always
Line, and direction is consistent with conduit axis direction, forward and backward roller and the tested inner-walls of duct of each support arm occur in double
Point contact.It can so ensure that the device is in all the time in position fixing process and not occur front and rear with pipeline concentric motion, support arm
Deflection, γ sources can be positioned exactly on tested welding point center.
Further specifically, three described support arms are telescoping support arm, telescoping support arm includes adjustable
The expansion link of length, flexible rod lock mechanism, the bindiny mechanism with body in cavity type support；Flexible rod lock mechanism is used to fix
The default extension elongation of expansion link；Bindiny mechanism is used for the connection of support arm and body in cavity type support.
Further specifically, three described support arms are telescoping support arm, telescoping support arm includes adjustable
The expansion link of length, flexible rod lock mechanism, the bindiny mechanism with body in cavity type support；Flexible rod lock mechanism is used to fix
The default extension elongation of expansion link；Bindiny mechanism is used for the connection of support arm and body in cavity type support；Expansion link is to pass through spiral shell
The more piece structure of line connection.
Further specifically, three described support arms include hydraulic pressure support arm and two presetting support arms, support arm are mutual
It is connected into 120 ° in cavity type support on body, hydraulic fluid chamber is provided among body in cavity type support；Hydraulic pressure support arm includes
Connector, hydraulic stem, hydraulic stem connection hydraulic fluid chamber, connector is connecting hydraulic stem and double rollers group mechanism；Pass through outside
Hydraulic pump provides the flexible required pressure of support arm and carrys out adjustment length.More specifically, connector includes length-adjustable expansion link
And bindiny mechanism, the length of expansion link according to tested pipe diameter it is default after pass through flexible rod lock mechanism and determine.
Further specifically, described process pipelines weld seam detection also includes steel strand wires positioning dress with γ sources conveying device
Put, γ sources are fixed on steel strand wires front end, and steel strand wires middle part or rear end are fixed on steel strand wires positioner；Steel strand wires positioning dress
Put the opening for being arranged on tested pipeline, including pipe orifice fixing mechanism and steel strand wires retaining mechanism；Steel strand wires retaining mechanism is located at
The centre position of pipe orifice fixing mechanism, pipe orifice fixing mechanism includes upper, lower tube open tightening device, to be fixed on tested pipeline
At the mouth of pipe.More specifically, pipe orifice fixing mechanism middle part is provided with connecting plate or connecting tube, and steel strand wires retaining mechanism passes through
Connecting plate or connecting tube are arranged on the centre position of pipe orifice fixing mechanism.
Further specifically, steel strand wires retaining mechanism includes pressing plate and fastening bolt, fastening bolt compresses steel strand wires
Between pressing plate.
Further specifically, this patent can process pipelines weld seam detection γ sources conveying device, hydraulic pressure can also be included
Device；The hydraulic fluid chamber of body is connected during hydraulic means is supported by flexible hose with cavity type, and power is provided for hydraulic telescopic arm.
More specifically, hydraulic means is provided with pressure monitoring and repid cut-off valve.
Attachment structure may be configured as one or two between forward and backward combined support frame between support, to meet respectively
Small radius of curvature（Minimum is by radius of curvature up to 1.5D, and D is pipeline nominal diameter, similarly hereinafter）Single elbow connected with more elbows
Pipe-line system in by property, adapt to prefabricated tube section and horizontal pipe, vertical pipe online pipe laying detection demand.
The defeated source channels in γ sources, its function are that attachment structure is connected and led to by this between γ sources conduit energy and support in operation
Whole device end predeterminated position is sent into γ sources by road.With body, its cavity in the cavity type support of γ source channels global designs
For hydraulic oil transmission and storage cavity, the hydraulic oil that external hydraulic unit provides is transferred to and cavity by pipeline to the cavity
The telescoping support arm of connection, to realize the positioning of different pipelines.
Steel strand wires positioner is used to twist the steel for providing motive force with γ sources conveying device for process pipelines weld seam detection
The final locking positioning of line, by being fixed to intermediate plate in the mouth of pipe, there is provided support force；When steel strand wires transillumination device is delivered to it is predetermined
Behind position, pressing plate is locked, locks steel strand wires.
By using above-mentioned technical proposal, the utility model has following beneficial effect：
The process pipelines weld seam detection of this patent γ sources conveying device, it is defeated with γ sources that process pipelines weld seam detection can be achieved
Send, when bend pipe detects, can be moved on by bend pipe；, still can when the device in-line has prominent obstacle
With cut-through, the requirement of the pipeline of different quality can be met.After the transilluminator, the transillumination time greatly shortens,
Operating efficiency significantly improves.
Brief description of the drawings
Fig. 1 is the overall schematic of this patent.
Fig. 2 is the support arm schematic diagram of this patent.
Fig. 3 be this patent two connected supports between attachment structure schematic diagram.
Fig. 4 is the schematic diagram of attachment structure between body and support during the cavity type of this patent supports.
In figure, body in the support of 1- cavity types, 2- support arms, 21- double rollers groups mechanism, 31- cating nipples, 32- is universal
Save connecting tube, 33- connection ends, 4- flexible hoses.
Embodiment
This patent is further explained with reference to the accompanying drawings and examples.But the protection domain of this patent is not limited to have
The embodiment of body.
Embodiment 1
As shown in accompanying drawing 1-4, a kind of process pipelines weld seam detection γ sources conveying device of this patent, including：Preceding combination
Attachment structure between formula support frame, rear combined support frame, support；Wherein, preceding combined support frame includes body in cavity type support
1st, it is arranged on the double rollers group mechanism that three support arms, 2, three front ends of support arm 2 in cavity type support on body 1 are set respectively
21；Combined support frame also includes body 1 in cavity type support, is arranged on three support arms, three on body 1 in cavity type support afterwards
The double rollers group mechanism 21 that individual support arm front end is set respectively；Double rollers group mechanism 21 includes roller connector, front wheel, with before
Roller rear roller in the same direction；Roller connector is connected to the front end of support arm 2, and connects front wheel, rear roller respectively.
Roller connector includes support connector, front wheel support member, rear roller support member；Front wheel support member, rear rolling
Wheel support member is arranged on support connector；Forward and backward roller is not only located at same straight line, and direction with conduit axis direction
Unanimously, it is in two point contact that the forward and backward roller of each support arm 2 occurs with tested inner-walls of duct.The dress can so be ensured
Put to be in all the time in position fixing process and front and rear deflection does not occur with pipeline concentric motion, support arm 2, γ sources can position exactly
In tested welding point center.
Attachment structure includes cating nipple 31, universal joint connecting tube 32, connection end 33 between support；Knot is connected between support
The hollow channel that the hollow part of body 1 is formed in the hollow part of structure and cavity type support, to as the defeated source channels in γ sources.
The inner hollow of connection end 33, combined support frame other end universal-joint connecting tube 32 before the connection of one end；Ten thousand
Hollow to section connecting tube 32, one end is connected to connection end 33, and the other end sets universal joint to be connected mechanism, to connect ten thousand
To section mechanism 31；The inside of cating nipple 31 is hollow structure, and one end is swivel, and swivel is rotatably fixed to universal joint
Be connected mechanism, and the other end is connected to another one end of universal joint connecting tube 32；Another one end of cating nipple 31 and second
Individual universal joint connecting tube 32 connects, and the other end is connected to rear combined support frame, forms the series connection of attachment structure between two supports.
Attachment structure is arranged to two between forward and backward combined support frame between support, to meet that the list in small radius of curvature is curved respectively
Pass through property, adaptation prefabricated tube section and horizontal pipe, the online installation of vertical pipe in the pipe-line system that head connects with more elbows
The detection demand of pipeline.
Three support arms include hydraulic pressure support arm and two presetting support arms, and support arm 2 is mutually 120 degree and is connected to cavity type
In support on body 1, hydraulic fluid chamber is provided among body 1 in cavity type support；Hydraulic pressure support arm includes connector, hydraulic stem, liquid
Depression bar connects hydraulic fluid chamber, and connector is connecting hydraulic stem and double rollers group mechanism 21；Support is provided by external hydraulic pump
Pressure needed for arm is flexible carrys out adjustment length；Connector includes length-adjustable expansion link and bindiny mechanism, the length of expansion link
Pass through flexible rod lock mechanism after presetting according to tested pipe diameter to determine.
The process pipelines weld seam detection of this patent also includes steel strand wires positioner with γ sources conveying device, and γ sources are fixed on
Steel strand wires front end, steel strand wires middle part or rear end are fixed on steel strand wires positioner；Steel strand wires positioner is arranged on tested
The opening of pipeline, including pipe orifice fixing mechanism and steel strand wires retaining mechanism；Steel strand wires retaining mechanism is located at pipe orifice fixing mechanism
Centre position, pipe orifice fixing mechanism includes upper, lower tube open tightening device, to be fixed at the mouth of pipe of tested pipeline；The mouth of pipe
Fixed mechanism middle part is provided with connecting plate or connecting tube, and steel strand wires retaining mechanism is installed by connecting plate or connecting tube
In the centre position of pipe orifice fixing mechanism；Steel strand wires retaining mechanism includes pressing plate and fastening bolt, and fastening bolt is by steel strand wires pressure
Tightly between pressing plate.
This patent can process pipelines weld seam detection γ sources conveying device, hydraulic means can also be included；Hydraulic means
The hydraulic fluid chamber of body 1 is connected in being supported by flexible hose 4 with cavity type, and power is provided for hydraulic telescopic arm；Hydraulic means is set
It is equipped with pressure monitoring and repid cut-off valve.
Attachment structure is arranged to two between forward and backward combined support frame between support, to meet respectively in small curvature half
In the pipe-line system that single elbow in footpath connects with more elbows by property, adapt to prefabricated tube section and horizontal pipe, vertical pipe
The detection demand of online pipe laying.
The defeated source channels in γ sources, its function are that attachment structure is connected and led to by this between γ sources conduit energy and support in operation
Whole device end predeterminated position is sent into γ sources by road.With body 1, its cavity in the cavity type support of γ source channels global designs
For hydraulic oil transmission and storage cavity, the hydraulic oil that external hydraulic unit provides is transferred to and cavity by pipeline to the cavity
The telescoping support arm of connection, to realize the positioning of different pipelines.
Steel strand wires positioner is used to twist the steel for providing motive force with γ sources conveying device for process pipelines weld seam detection
The final locking positioning of line, by being fixed to intermediate plate in the mouth of pipe, there is provided support force；When steel strand wires transillumination device is delivered to it is predetermined
Behind position, pressing plate is locked, locks steel strand wires.
The process pipelines weld seam detection of this patent γ sources conveying device, it is defeated with γ sources that process pipelines weld seam detection can be achieved
Send, when bend pipe detects, can be moved on by bend pipe；, still can when the device in-line has prominent obstacle
With cut-through, the requirement of the pipeline of different quality can be met.After the transilluminator, the transillumination time greatly shortens,
Operating efficiency significantly improves.
Claims (8)
1. a kind of process pipelines weld seam detection γ sources conveying device, it is characterized in that：Including preceding combined support frame, rear combined type
Attachment structure between support frame, support；Wherein, preceding combined support frame includes body in cavity type support, is arranged on cavity type support
The double rollers group mechanism that three support arms, three support arm front ends on middle body are set respectively；Combined support frame also includes afterwards
Body in cavity type support, be arranged on three support arms in cavity type support on body, three support arm front ends set respectively it is double
Roller group mechanism；Double rollers group mechanism includes roller connector, front wheel and front wheel rear roller in the same direction；Roller connector
Support arm front end is connected to, and connects front wheel, rear roller respectively；
Attachment structure includes cating nipple, universal joint connecting tube, connection end between support；Cating nipple, universal joint connection
Pipe, connection end are at least one；
Connection end inner hollow, one end connect preceding combined support frame or rear combined support frame, and other end connection is universal
Save connecting tube；
Universal joint connecting tube is hollow, and one end is connected to connection end, and the other end is provided with universal joint and is connected mechanism, to even
Connect cating nipple；
It is hollow structure inside cating nipple, one end is swivel, and swivel is rotatably fixed to universal joint and is connected
Mechanism, the other end is either connected to rear combined support frame or is connected to preceding combined support frame, or is connected to another
Universal joint connecting tube is simultaneously connected to rear combined support frame or preceding combined support frame by connection end；
Between support the hollow part of attachment structure and cavity type support in body hollow part form hollow channel, to as
The defeated source channels in γ sources.
2. process pipelines weld seam detection γ sources conveying device according to claim 1, it is characterized in that：Described roller connection
Part includes support connector, front wheel support member, rear roller support member；Front wheel support member, rear roller support member are arranged at
Support on connector.
3. process pipelines weld seam detection γ sources conveying device according to claim 1, it is characterized in that：Set on the support arm
The double rollers group mechanism put, forward and backward roller is not only located at same straight line, and direction is consistent with conduit axis direction, each
It is in two point contact that the forward and backward roller of support arm all occurs with tested inner-walls of duct.
4. process pipelines weld seam detection γ sources conveying device according to claim 1, it is characterized in that：Three described supports
Arm is telescoping support arm, and telescoping support arm includes length-adjustable expansion link, flexible rod lock mechanism and cavity type
The bindiny mechanism of body in support；Flexible rod lock mechanism is used to fix the default extension elongation of expansion link；Bindiny mechanism is used for branch
Brace and the connection of body in cavity type support.
5. process pipelines weld seam detection γ sources conveying device according to claim 1, it is characterized in that：Three described supports
Arm is telescoping support arm, and telescoping support arm includes length-adjustable expansion link, flexible rod lock mechanism and cavity type
The bindiny mechanism of body in support；Flexible rod lock mechanism is used to fix the default extension elongation of expansion link；Bindiny mechanism is used for branch
Brace and the connection of body in cavity type support；Expansion link is the more piece structure being connected through a screw thread.
6. process pipelines weld seam detection γ sources conveying device according to claim 1, it is characterized in that：Three described supports
Arm includes hydraulic pressure support arm and two presetting support arms, and support arm is mutually 120 ° and is connected in cavity type support on body, cavity type
Hydraulic fluid chamber is provided with support among body；Hydraulic pressure support arm includes connector, hydraulic stem, hydraulic stem connection hydraulic fluid chamber, connects
Fitting is connecting hydraulic stem and double rollers group mechanism；The flexible required pressure of support arm is provided by external hydraulic pump to adjust length
Degree.
7. process pipelines weld seam detection γ sources conveying device according to claim 1, it is characterized in that：Described process pipelines
Weld seam detection γ sources conveying device also includes steel strand wires positioner, and γ sources are fixed on steel strand wires front end, in the middle part of steel strand wires or
Person rear end is fixed on steel strand wires positioner；Steel strand wires positioner is arranged on the opening of tested pipeline, including the mouth of pipe is consolidated
Determine mechanism and steel strand wires retaining mechanism；Steel strand wires retaining mechanism is located at the centre position of pipe orifice fixing mechanism, pipe orifice fixing mechanism
Including upper, lower tube open tightening device, to be fixed at the mouth of pipe of tested pipeline.
8. process pipelines weld seam detection γ sources conveying device according to claim 1, it is characterized in that：This patent can technique
Pipeline weld seam detection γ sources conveying device, in addition to hydraulic means；Hydraulic means passes through in flexible hose and cavity type support
The hydraulic fluid chamber connection of body, power is provided for hydraulic telescopic arm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720883633.0U CN206974929U (en) | 2017-07-20 | 2017-07-20 | A kind of process pipelines weld seam detection γ sources conveying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720883633.0U CN206974929U (en) | 2017-07-20 | 2017-07-20 | A kind of process pipelines weld seam detection γ sources conveying device |
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| CN206974929U true CN206974929U (en) | 2018-02-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142401A (en) * | 2018-10-26 | 2019-01-04 | 吴重天 | A kind of universal radiographic inspection rack of pipeline |
| CN112730467A (en) * | 2020-12-22 | 2021-04-30 | 福建福清核电有限公司 | Central method radiographic inspection positioning method |
-
2017
- 2017-07-20 CN CN201720883633.0U patent/CN206974929U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142401A (en) * | 2018-10-26 | 2019-01-04 | 吴重天 | A kind of universal radiographic inspection rack of pipeline |
| CN112730467A (en) * | 2020-12-22 | 2021-04-30 | 福建福清核电有限公司 | Central method radiographic inspection positioning method |
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