CN104483815B - A kind of method of radiographic source centering support device and fixing radiographic source device thereof - Google Patents
A kind of method of radiographic source centering support device and fixing radiographic source device thereof Download PDFInfo
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- CN104483815B CN104483815B CN201410745404.3A CN201410745404A CN104483815B CN 104483815 B CN104483815 B CN 104483815B CN 201410745404 A CN201410745404 A CN 201410745404A CN 104483815 B CN104483815 B CN 104483815B
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- radiographic source
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Abstract
A kind of method that the invention discloses radiographic source centering support device and fixing radiographic source device thereof, this bracing or strutting arrangement comprises: outer surface is provided with externally threaded conduit, sleeve pipe and at least three feets; It is circular that casing profile is, and inner surface is provided with internal thread; This sleeve pipe is nested with on conduit; At least three feets are radially evenly set in qually spaced on this sleeve pipe along sleeve pipe; Each feet is fixedly connected with described sleeve pipe. The invention provides a kind of method of radiographic source centering support device and fixing radiographic source device thereof, radiographic source centering support device can be supported at the inner face of tested cylindrical shell fixing, after guaranteeing that centering is good, by radiographic source being stretched into and needs fixing position by rotation with externally threaded conduit, can ensure that radiogenic centering is good, can also make operating personnel be convenient for measuring and fix.
Description
Technical field
The present invention relates to radiographic source device fixing means and the fixture in ray center exposure field, be specifically related to a kind of method of radiographic source centering support device and fixing radiographic source device thereof.
Background technology
When at present ray center exposure, radiographic source device fixture is by manual measurement, in the time that tested barrel diameter is less and cylindrical shell is longer, give film making personnel to radiographic source device in and fixed band carry out very large difficulty, and easily cause the error of centralization large. For example, the fixed support that prior art adopts, is that the position of 1000mm is carried out centering again when radiographic source device is fixed on the degree of depth, because the internal diameter of tested cylindrical shell is less, is unfavorable for that operating personnel measure, and the error that the fixing degree of depth exists is larger. And the position that is 1000mm in the degree of depth is while carrying out Alignment measuring, aperture is less, brings difficulty larger to operating personnel's measurement, also easily causes centering to have very large error.
Summary of the invention
The object of the present invention is to provide a kind of method of radiographic source centering support device and fixing radiographic source device thereof, radiographic source centering support device can be supported at the inner face of tested cylindrical shell fixing, after guaranteeing that centering is good, by radiographic source being stretched into and needs fixing position by rotation with externally threaded conduit, can ensure that radiogenic centering is good, can also make operating personnel be convenient for measuring and fix.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of radiographic source centering support device, is characterized in, this bracing or strutting arrangement comprises:
Conduit;
Sleeve pipe, described casing profile is circular, and this sleeve pipe is nested with on described conduit;
At least three feets, described at least three feets are radially evenly set in qually spaced on this sleeve pipe along described sleeve pipe; Each described feet is fixedly connected with described sleeve pipe.
Preferably, described conduit comprises: cut-off sleeve pipe, and described cut-off sleeve pipe is arranged on one end of this conduit;
The other end of described conduit is connected with outside radiographic source device.
Preferably, the outer surface of described conduit is provided with external screw thread; Described internal surface of casing is provided with internal thread; This sleeve pipe is connected by screw thread and described conduit.
Preferably, described sleeve pipe is radially equidistantly provided with at least three feet installing holes; Each described feet installing hole is blind hole.
Preferably, each described feet comprises:
Link, cylindrical, be arranged in corresponding described feet installing hole;
Base, cylindrical, diameter of section is greater than described link, and is connected with described link;
Support column, cylindrical, diameter of section is less than described base; Described support column is arranged on described base;
Retracting cylinder, cylindrical; Described retracting cylinder inside is provided with blind hole, and described screwed blind hole length is greater than described support column length;
One end section of described retracting cylinder is annular, and annulus overall diameter equates with base diameter of section; The other end cross section of this retracting cylinder is rounded;
Cornerite, is hemisphere, and its diameter equates with described base diameter; This cornerite one end rounded with described retracting cylinder cross section is fixedly connected with.
Preferably, the surface of described support column is provided with external screw thread; The blind hole internal surface of described retracting cylinder is provided with screw thread; Described retracting cylinder is connected with described support column outer surface thread coupling by screwed blind hole.
For a method for fixing radiographic source device, be characterized in, the method is tubular measured object for measured object; The method comprises following steps:
S1, is connected and fixed formation radiographic source centering support device by least three feets, sleeve pipe and conduits; Conduit one end of described radiographic source centering support device is fixedly connected with radiographic source device;
S2, is arranged on the radiographic source centering support device with described radiographic source device in described tubular measured object;
S3, determines described radiographic source setting position according to measured target, further determines that described sleeve pipe is at described supravasal particular location;
S4, according to the inside diameter of described tubular measured object, by changing the distance that is threaded of support column and retracting cylinder, changes the length of each described feet, makes described sleeve pipe can be fixedly installed on described tubular measured object inwall.
Preferably, described step S1 comprises following steps:
S1.1, is fixedly installed on each described feet in the described feet installing hole that described sleeve pipe is corresponding; The retracting cylinder of each described feet original state contacts with described base, and described support column is all arranged in this retracting cylinder;
S1.2, will be nested with on conduit with the sleeve pipe of described at least three feets;
S1.3, is fixedly connected with radiographic source device with one end of conduit;
Preferably, described step S3 comprises following steps:
S3.1 in the time that the port length of the described tubular measured object of described measured target distance is less than described catheter length, moves towards described radiographic source device direction the described sleeve pipe with at least three feets on described conduit;
S3.2, in the time that the port length of the described tubular measured object of described measured target distance is greater than described catheter length, by the described sleeve pipe with at least three feets, along moving on described conduit away from described radiographic source device direction, this sleeve pipe can move at most the position contacting with the cut-off sleeve pipe of this conduit.
Preferably, described step S4 is specific as follows:
S4.1, in the time that the inside diameter of described tubular measured object is greater than the sleeve pipe with described at least three feets of original state, change the distance that is threaded of support column with the retracting cylinder of each described feet, shift out described retracting cylinder distance by increasing described support column, increase the diameter of described radiographic source centering support device until match with the inside diameter of described tubular measured object;
In the time that the inside diameter of described tubular measured object equals the sleeve pipe with described at least three feets of original state,, without the length that changes each described feet, described radiographic source centering support device can directly be mated with the inside diameter of described tubular measured object.
The present invention compared with prior art has the following advantages:
The method of a kind of radiographic source centering support device provided by the invention and fixing radiographic source device thereof, can make to measure simple, quick, and this bracing or strutting arrangement is with low cost, easy to operate, safety, make measured the data precision higher, and can effectively improve tester's operating efficiency.
Brief description of the drawings
Fig. 1 is that the overall structure master of a kind of radiographic source centering support device of the present invention looks partial sectional view.
Fig. 2 is the overall structure right view of a kind of radiographic source centering support device of the present invention.
Fig. 3 is the radiographic source apparatus structure schematic diagram of a kind of radiographic source centering support device of the present invention.
Fig. 4 is the retracting cylinder cutaway view of a kind of radiographic source centering support device of the present invention.
Fig. 5 is the overall flow figure of a kind of method for fixing radiographic source device of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Figure 1 and Figure 2, a kind of radiographic source centering support device, this bracing or strutting arrangement comprises: outer surface is provided with externally threaded conduit 10, sleeve pipe 20 and at least three feets 30.
Wherein, sleeve pipe 20 cross sections are circular, and inner surface is provided with internal thread; This sleeve pipe 20 is nested with on conduit 10. At least three feets 30 are radially evenly set in qually spaced on this sleeve pipe 20 along sleeve pipe 20; Each feet 30 is fixedly connected with sleeve pipe 20.
In the present embodiment, adopt three feets 30, thereby can guarantee that centering is good.
As shown in Figure 1, conduit 10 comprises: cut-off sleeve pipe 11. Cut-off sleeve pipe 11 is arranged on one end of this conduit 10; The other end of conduit 10 is connected with outside radiographic source device 200.
In the present embodiment, because sleeve pipe 20 inner surfaces are provided with internal thread, conduit 10 outer surfaces are provided with external screw thread, can make sleeve pipe 20 on conduit 10 according to actual needs position move at any time; One end of conduit 10 is provided with cut-off sleeve pipe 11, the moving limit position for limiting boot 20 on conduit 10 simultaneously.
As shown in Figure 1, sleeve pipe 20 is radially equidistantly provided with at least three feet installing holes 21; Each feet installing hole 21 is blind hole.
As shown in Figure 1, Figure 2 and shown in Fig. 4, each feet 30 comprises: link 31, base 32, support column 33, retracting cylinder 34 and cornerite 35.
Link 31 is cylindrical, is arranged in corresponding feet installing hole 21. Base 32 is cylindrical, and diameter of section is greater than link 31, and is connected with link 31. Support column 33 is cylindrical, and diameter of section is less than base 32, and surface is provided with external screw thread; Support column 33 is arranged on base 32. Retracting cylinder 34 is cylindrical; Retracting cylinder 34 inside are provided with screwed blind hole 341, and screwed blind hole 341 length are greater than support column 33 length; This retracting cylinder 34 is connected with support column 33 outer surface thread couplings by screwed blind hole 341; One end section of retracting cylinder 34 is annular, and annulus overall diameter equates with base 32 diameter of sections; The other end cross section of this retracting cylinder 34 is rounded. Cornerite 35 is hemisphere, its diameter and base 32 equal diameters; This cornerite 35 one end rounded with retracting cylinder 34 cross sections is fixedly connected with.
In the present embodiment, adopt screw 50 axially the link of feet 30 31 to be fixedly connected with sleeve pipe 20 along sleeve pipe 20. Adopt screw 41 that cornerite 35 one end rounded with retracting cylinder 34 cross sections is fixedly connected with; Cornerite 35 is adopted made of plastic. In actual use, cornerite 35 is for increasing the inner fixing frictional force of radiographic source centering support device 100 and tubular measured object.
As shown in Fig. 3, Fig. 5, a kind of method for fixing radiographic source device, the method is tubular measured object for measured object; The method comprises following steps:
S1, is connected and fixed formation radiographic source centering support device 100 by least three feets 30, sleeve pipe 20 and conduits 10; Conduit 10 one end of radiographic source centering support device 100 are fixedly connected with radiographic source device 200. This step S1 comprises following steps:
S1.1, is fixedly installed on each feet 30 in the feet installing hole 21 of sleeve pipe 20 correspondences; The retracting cylinder 34 of each feet 30 original states contacts with base 32, and support column 33 is all arranged in this retracting cylinder 34.
S1.2, is nested with the sleeve pipe with at least three feets 30 20 on conduit 10.
S1.3, is fixedly connected with radiographic source device 200 with one end of conduit 10.
S2, is arranged on the radiographic source centering support device 100 with radiographic source device 200 in tubular measured object.
In the present embodiment, the degree of depth of tubular measured object is 1000mm, and the internal diameter of tubular measured object is 600mm.
S3, determines radiographic source device 200 positions according to measured target, further determines the particular location of sleeve pipe 20 on conduit 10; This step S3 comprises following steps:
S3.1 in the time that measured target is less than conduit 10 length apart from the port length of tubular measured object, moves along radiographic source device 200 directions the sleeve pipe with at least three feets 30 20 on conduit 10.
In the present embodiment, measured target is 800mm in the port length apart from tubular measured object, the length of radiographic source centering support device 100 is 1000mm simultaneously, on conduit 10, move along radiographic source device 200 directions with the sleeve pipe 20 of at least three feets 30, make the position of radiographic source device 200 can accurate detection during to measured target, sleeve pipe 20 drives three feets 30 to be arranged on tubular measured object inside, and stable fixing with tubular measured object.
S3.2, in the time that measured target is greater than conduit 10 length apart from the port length of tubular measured object, by the sleeve pipe with at least three feets 30 20, along moving on conduit 10 away from radiographic source device 200 directions, this sleeve pipe 20 can move at most the position contacting with the cut-off sleeve pipe 11 of this conduit 10.
S4, according to the inside diameter of tubular measured object, by changing the distance that is threaded of support column 33 and retracting cylinder 34, changes the length of each feet 30, makes sleeve pipe 20 can be fixedly installed on tubular measured object inwall. S4 is specific as follows for this step:
S4.1, in the time that the inside diameter of tubular measured object is greater than the sleeve pipe 20 with at least three feets 30 of original state, change the distance that is threaded of support column 33 with the retracting cylinder 34 of each feet 30, shift out retracting cylinder 34 distances by increasing support column 33, increase the diameter of radiographic source centering support device 100 until match with the inside diameter of tubular measured object.
In the present embodiment, be 500mm with the sleeve pipe 20 of three feets 30 and the diameter of three feet 30 entirety of original state, be less than the internal diameter of tubular measured object. Rotate respectively retracting cylinder 34 by calculating, by each increase support column 33 is shifted out to retracting cylinder 34 apart from 50mm, making with the sleeve pipe 20 of three feets 30 and the diameter of three feet 30 entirety is 600mm, thereby guarantees that radiographic source centering support device 100 can match with the inside diameter of tubular measured object.
In the time that the inside diameter of tubular measured object equals the sleeve pipe 20 with at least three feets 30 of original state,, without the length that changes each described feet 30, radiographic source centering support device 100 can directly be mated with the inside diameter of tubular measured object.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention. Read after foregoing those skilled in the art, for multiple amendment of the present invention and substitute will be all apparent. Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (5)
1. a radiographic source centering support device, is characterized in that, this bracing or strutting arrangement comprises:
Conduit (10);
Sleeve pipe (20), described sleeve pipe (20) cross section is circular; This sleeve pipe (20) is nested with on described conduit (10);
At least three feets (30), described at least three feets (30) are radially evenly set in qually spaced on this sleeve pipe (20) along described sleeve pipe (20); Each described feet (30) is fixedly connected with described sleeve pipe (20);
Wherein, described sleeve pipe (20) is radially equidistantly provided with at least three feet installing holes (21); Each described feet installing hole (21) is blind hole;
Each described feet (30) comprises:
Link (31), cylindrical, be arranged in corresponding described feet installing hole (21);
Base (32), cylindrical, diameter of section is greater than described link (31), and is connected with described link (31);
Support column (33), cylindrical, diameter of section is less than described base (32); Described support column (33) is arranged on described base (32);
Retracting cylinder (34), cylindrical; Described retracting cylinder (34) inside is provided with blind hole (341), and described blind hole (341) length is greater than described support column (33) length;
One end section of described retracting cylinder (34) is annular, and annulus overall diameter equates with base (32) diameter of section; The other end cross section of this retracting cylinder (34) is rounded;
Cornerite (35), is hemisphere, its diameter and described base (32) equal diameters; This cornerite (35) one end rounded with described retracting cylinder (34) cross section is fixedly connected with.
2. radiographic source centering support device as claimed in claim 1, is characterized in that, described conduit (10) comprises: cut-off sleeve pipe (11), and described cut-off sleeve pipe (11) is arranged on one end of this conduit (10);
The other end of described conduit (10) is connected with outside radiographic source device (200).
3. the radiographic source centering support device as shown in claim 1, is characterized in that, the outer surface of described conduit (10) is provided with external screw thread; Described sleeve pipe (20) inner surface is provided with internal thread; This sleeve pipe (20) is connected by screw thread and described conduit (10).
4. radiographic source centering support device as claimed in claim 1, is characterized in that, the surface of described support column (33) is provided with external screw thread;
Blind hole (341) inner surface of described retracting cylinder (34) is provided with screw thread;
Described retracting cylinder (34) is connected with described support column (33) outer surface thread coupling by screwed blind hole (341).
5. a method for the fixing radiographic source device of the radiographic source centering support device of utilization as described in any one in claim 1-4, is characterized in that, the method is tubular measured object for measured object; The method comprises following steps:
S1, is connected and fixed at least three feets (30), sleeve pipe (20) and conduit (10) to form radiographic source centering support device (100); Conduit (10) one end of described radiographic source centering support device (100) is fixedly connected with radiographic source device (200);
S2, is arranged on the radiographic source centering support device (100) with described radiographic source device (200) in described tubular measured object;
S3, determines described radiographic source device (200) position according to measured target, further determines the particular location of described sleeve pipe (20) on described conduit (10);
S4, according to the inside diameter of described tubular measured object, by changing support column (33) and the distance that is threaded of retracting cylinder (34), change the length of each described feet (30), make described sleeve pipe (20) can be fixedly installed on described tubular measured object inner surface;
Described step S1 comprises following steps:
S1.1, is fixedly installed on each described feet (30) in the described feet installing hole (21) that described sleeve pipe (20) is corresponding; The retracting cylinder (34) of each described feet (30) original state contacts with base (32), and described support column (33) is all arranged in the screwed blind hole (341) of this retracting cylinder (34);
S1.2, by the sleeve pipe (20) with described at least three feets (30) by not being nested with on this conduit (10) with one end of described conduit (10) of cut-off sleeve pipe (11);
S1.3, is fixedly connected with radiographic source device (200) with one end of conduit (10);
Described step S3 comprises following steps:
S3.1, in the time that the port length of the described tubular measured object of described measured target distance is less than described conduit (10) length, the described sleeve pipe with at least three feets (30) (20) is upper mobile at described conduit (10) towards described radiographic source device (200) direction;
S3.2, in the time that the port length of the described tubular measured object of described measured target distance is greater than described conduit (10) length, by the described sleeve pipe with at least three feets (30) (20), along upper mobile at described conduit (10) away from described radiographic source device (200) direction, this sleeve pipe (20) can move at most the position contacting with the cut-off sleeve pipe (11) of this conduit (10);
Described step S4 is specific as follows:
In the time that the inside diameter of described tubular measured object is greater than the sleeve pipe (20) with described at least three feets (30) of original state, change the distance that is threaded of support column (33) with the retracting cylinder (34) of each described feet (30), shift out described retracting cylinder (34) distance by increasing described support column (33), increase the diameter of described radiographic source centering support device (100) until match with the inside diameter of described tubular measured object;
In the time that the inside diameter of described tubular measured object equals the sleeve pipe (20) with described at least three feets (30) of original state,, without the length that changes each described feet (30), described radiographic source centering support device (100) can directly be mated with the inside diameter of described tubular measured object.
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| CN201410745404.3A CN104483815B (en) | 2014-12-08 | 2014-12-08 | A kind of method of radiographic source centering support device and fixing radiographic source device thereof |
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| CN201410745404.3A CN104483815B (en) | 2014-12-08 | 2014-12-08 | A kind of method of radiographic source centering support device and fixing radiographic source device thereof |
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| CN104483815B true CN104483815B (en) | 2016-05-11 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106970096B (en) * | 2017-05-22 | 2023-12-01 | 上海电气核电设备有限公司 | Eccentric exposure support frame for inner wall of connecting pipe |
| CN108303436B (en) * | 2018-01-03 | 2021-03-30 | 中广核检测技术有限公司 | Tool for ray detection of main pump in nuclear power unit |
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