CN213779922U

CN213779922U - External compensator for pipe plate fillet weld bar anode ray detection inclined plane

Info

Publication number: CN213779922U
Application number: CN202022769442.6U
Authority: CN
Inventors: 郑松林; 朱学峰; 朱秀兰
Original assignee: Jiangsu Zhishang Detection Technology Co ltd
Current assignee: Jiangsu Zhishang Detection Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-23
Anticipated expiration: 2030-11-25

Abstract

The utility model belongs to the technical field of stick anode ray detection and specifically relates to a compensator outside pipe tube plate fillet weld stick anode ray detection inclined plane is related to, including the compensating tube, compensating tube one end coaxial coupling has the compensation piece of round platform form, and the most advanced of compensation piece deviates from the compensating tube, is equipped with the through-hole on the compensation piece, and the through-hole is coaxial with the compensation piece, and the through-hole communicates with each other with the compensating tube is inside, and the through-hole is used for inserting the anode rod. The method and the device have the effect of reducing the interference of uneven thickness of the welding seam on the judgment of crack positions of the sheet evaluation personnel.

Description

External compensator for pipe plate fillet weld bar anode ray detection inclined plane

Technical Field

The application relates to the field of rod anode ray detection, in particular to a pipe plate fillet weld rod anode ray detection inclined plane external compensator.

Background

The rod anode ray detector is a core flaw detection device for nondestructive detection of tube plate weld seams, and is mainly applied to quality detection of weld seams between tubes and plates of various device mechanisms. The detection principle of the prior art is that an anode rod extends into a detected compensating tube, a film cassette is arranged between a rod anode ray machine and a tube plate welding seam, a microfocus ray generating device in the anode rod sends out detection rays, the rays backwards pass through an annular welding seam, photosensitive imaging is carried out on a film, and an entity basis is provided for film evaluators to judge the welding quality of the welding seam.

The thicknesses of the welding seams penetrated by the rays emitted by the micro-focus ray generating device and irradiated to different parts of the welding seams are different, and the number of the rays emitted from the thicker welding seams is less, so that the images on the film are different. However, the above-mentioned technique has the following disadvantages because the thickness of the weld is not uniform and the crack in the weld blocks the ray, so that on the film, the image of the crack is close to the image of the weld at a certain thickness: the brightness of the crack and the brightness of the weld seam at a certain thickness are equivalent, which causes interference to the judgment of crack positions by film evaluation personnel.

SUMMERY OF THE UTILITY MODEL

In order to reduce the interference of uneven weld thickness on the judgment of crack positions of film evaluation personnel, the application provides an external compensator for the pipe plate fillet weld rod anode ray detection inclined plane.

The application provides a pipe tube plate fillet weld stick anode ray detection inclined plane external compensator adopts following technical scheme:

the utility model provides a compensator outside pipe tube sheet fillet weld stick positive pole ray detection inclined plane, includes the compensating tube, and compensating tube one end coaxial coupling has the compensation piece of round platform form, and the most advanced of compensation piece deviates from the compensating tube, is equipped with the through-hole on the compensation piece, and the through-hole is coaxial with the compensation piece, and the through-hole communicates with each other with the compensating tube is inside, and the through-hole is used for inserting the positive pole stick.

By adopting the technical scheme, rays emitted by the microfocus ray generating device sequentially pass through the welding line and the compensation block and then are imaged on the film, the conical surface on the compensation block reduces the distance error of the rays passing through the film through different paths, so that the sum of the thicknesses of the compensation block and the welding line through which most of the rays pass has little difference, the influence of the difference of the sum of the thicknesses of the compensation block and the welding line on each ray is eliminated, the imaging of cracks on the film is always different from the imaging of the annular welding line, the imaging of the cracks is easier to identify by an evaluating person, the size of the cracks in the welding line becomes the only influence factor influencing the formation of light spots with different densities on the film by each ray, and the evaluation error of the evaluating person on the welding quality of the welding line is reduced.

Preferably, one end of the compensating pipe, which is far away from the compensating block, is connected with a metal radiating pipe.

Through adopting above-mentioned technical scheme, because ray detection machine can produce the heat when using, consequently need in time dispel the heat and cool down, otherwise can cause the damage to the instrument, and the cooling tube of metallicity then can play radiating effect.

Preferably, one end of the compensating pipe, which is far away from the compensating block, is provided with a plurality of jacks, and one end of the radiating pipe is provided with a contact pin matched with the jacks.

By adopting the technical scheme, the contact pin is inserted into the jack, so that the friction force between the radiating pipe and the compensating pipe is increased, and the radiating pipe and the compensating pipe are not easy to separate automatically; in addition, under the condition that the end face of the radiating pipe is not in direct contact with the end face of the compensating pipe, the contact area between the radiating pipe and the compensating pipe can be reduced by connecting the radiating pipe and the compensating pipe through the contact pins, and therefore the heat transfer efficiency of the radiating pipe to the compensating pipe is reduced.

Preferably, the jack and the contact pin are attracted by a pair of magnetic blocks.

Through adopting above-mentioned technical scheme, the setting of magnetic path further makes the difficult proper motion separation of cooling tube and compensating pipe.

Preferably, the compensation block comprises a cylinder and a compensation ring, the through hole is located on the cylinder, the conical surface is located on the compensation ring, the through hole is coaxial with the cylinder, the compensation ring is coaxial with the cylinder and can be detachably connected with the cylinder, and the cylinder is fixedly connected with the anode rod.

By adopting the technical scheme, the shape of the welding seam is diversified, different compensation rings can be replaced aiming at the welding seams with different inclination degrees, so that the inclination angle and the direction of the conical surface of the compensation ring are close to the welding seam, and the accuracy of the judgment result of the judgment personnel on the welding seam quality is improved.

Preferably, the cylindrical side wall is provided with a plurality of grooves along the self axis direction, the inner wall of the compensation ring is provided with a plurality of lugs along the self axis direction, and the lugs are matched with the grooves.

Through adopting above-mentioned technical scheme, lug and recess cooperation have increased the frictional force between compensating ring and the cylinder, make compensating ring be difficult for breaking away from the cylinder.

Preferably, the pipe wall of the radiating pipe is hollow, and the pipe wall of the radiating pipe is filled with cooling liquid.

Through adopting above-mentioned technical scheme, the coolant liquid has the advantage that specific heat capacity is big, can absorb more heats.

Preferably, the anode rod is coaxially sleeved with a guide sleeve, and the guide sleeve can be inserted into the through hole.

Through adopting above-mentioned technical scheme, the uide bushing has played the guard action to the anode rod, prevents that the anode rod from colliding with the pore wall and producing the damage when inserting the through-hole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the interference of uneven thickness of the welding seam on the crack position judgment of the sheet evaluating personnel can be reduced;

2. the radiating pipe and the compensating pipe are not easy to separate by itself and the heat transfer efficiency of the radiating pipe to the compensating pipe is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an external compensator for anode ray detection of a pipe fillet weld rod of a pipe plate according to an embodiment of the present application;

FIG. 2 is a side view of FIG. 1;

fig. 3 is a cross-sectional view taken along a-a of fig. 2.

Description of reference numerals: 1. a compensating tube; 2. a compensation block; 3. a through hole; 4. a film; 5. welding seams; 6. a radiating pipe; 7. a jack; 8. inserting a pin; 9. a magnetic block; 10. a cylinder; 11. a compensation ring; 12. a groove; 13. a bump; 14. an anode rod; 15. a guide sleeve; 16. a microfocus ray generating device; 17. a tube; 18. a tube sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a pipe plate fillet weld rod anode ray detection inclined plane external compensator. Referring to fig. 1, the external compensator for the pipe plate fillet weld rod anode ray detection inclined plane comprises a compensation pipe 1 and a compensation block 2, wherein the compensation block 2 comprises a cylinder 10 and a compensation ring 11, and the cylinder 10 is fixedly sleeved outside an anode rod 14 and is coaxial with the anode rod 14. The cylinder 10 is provided with a through hole 3, the axes of the through hole 3, the cylinder 10 and the compensating pipe 1 are the same, the compensating block 2 is in a circular truncated cone shape, and the tip end of the compensating block 2 is far away from the compensating pipe 1.

Referring to fig. 1, a compensating ring 11 is coaxially detachably coupled to a cylinder 10, thereby facilitating replacement of the compensating ring 11. The reasons why the compensating ring 11 needs to be replaced are: for welds 5 of different inclinations (see fig. 3, at the weld of the tube 17 and the tube plate 18), different compensation rings 11 can be replaced, thereby improving the accuracy of the evaluation of the quality of the weld 5 by the evaluator.

Referring to fig. 1, the side wall of the cylinder 10 is provided with a plurality of grooves 12 along the direction parallel to the axis of the cylinder, the inner wall of the compensation ring 11 is provided with a plurality of projections 13 along the direction parallel to the axis of the cylinder, the projections 13 are matched with the grooves 12, the friction force between the compensation ring 11 and the cylinder 10 is increased, and the compensation ring 11 is not easy to break away from the cylinder 10.

Referring to fig. 2 and 3, the anode rod 14 is coaxially sleeved with a guide sleeve 15, the guide sleeve 15 can be inserted into the compensating pipe 1, and the guide sleeve 15 protects the anode rod 14 to prevent the anode rod 14 from colliding with the pipe wall to be damaged when being inserted into the compensating pipe 1.

Referring to fig. 1, the ray detection machine can produce the heat when using, need in time dispel the heat cooling this moment, otherwise can cause the damage to the instrument, and the cooling tube 6 of metallics is connected to the one end that consequently compensating pipe 1 kept away from compensating block 2, and the heat in compensating pipe 1 in time transmits for cooling tube 6 to reach the radiating effect of giving the anode rod. In order to improve the continuous heat absorbing capacity of the radiating pipe 6, the radiating pipe 6 is designed to be hollow in the pipe wall, and the pipe wall of the radiating pipe 6 is filled with the cooling liquid. The processing method of the hollow pipe wall of the radiating pipe 6 comprises the following steps: the end of the radiating pipe 6 is milled with a groove, and the groove opening is closed after the groove is filled with cooling liquid.

Referring to fig. 3, one end of the compensating pipe 1, which is far away from the compensating block 2, is provided with a plurality of jacks 7, the depth direction of the jacks 7 is parallel to the axial direction of the compensating pipe 1, one end of the radiating pipe 6 is provided with pins 8 matched with the jacks 7, and the pins 8 are inserted into the jacks 7. The contact pin 8 is in inserting fit with the jack 7, so that the friction force between the radiating pipe 6 and the compensating pipe 1 is increased, and the radiating pipe 6 and the compensating pipe 1 are not easy to separate automatically. In addition, a magnet 9 is fixed respectively with contact pin 8 in the diapire of jack 7, and two magnets 9 attract each other, and when two magnets 9 adsorbed contact, do not contact between the end in opposite directions of cooling tube 6 and compensating tube 1, and heat transfer efficiency between the two is lower to cooling tube 6 has been reduced and has been transmitted heat to compensating tube 1 reverse direction.

The implementation principle of the pipe plate fillet weld rod anode ray detection inclined plane external compensator in the embodiment of the application is as follows: the rays emitted by the microfocus ray generating device 16 sequentially pass through the welding seam 5 and the compensation block 2 and then are imaged on the film 4, the conical surface on the compensation block 2 enables the distance error of the rays irradiated on the film 4 through different paths to be reduced, the sum of the thicknesses of the compensation block 2 and the welding seam 5 through which most of the rays pass is almost the same, the influence of the difference of the sum of the thicknesses of the compensation block 2 and the welding seam 5 on each ray is eliminated, the size of the crack in the welding seam 5 becomes the only influence factor influencing the formation of different-density light spots formed by the rays irradiated on the film 4, the imaging of the crack on the film is always different from the imaging of the annular welding seam, and an evaluating person can identify the imaging of the crack more easily, so that the evaluation error of the evaluating person on the welding quality of the welding seam 5 is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pipe tube sheet fillet weld stick positive pole ray detection inclined plane external compensator which characterized in that: including compensating pipe (1), compensating pipe (1) one end coaxial coupling has compensation piece (2) of round platform form, and the most advanced of compensation piece (2) deviates from compensating pipe (1), is equipped with through-hole (3) on compensation piece (2), and through-hole (3) are coaxial with compensation piece (2), and through-hole (3) communicate with each other with compensating pipe (1) is inside, and through-hole (3) are used for inserting positive pole stick (14).

2. The pipe plate fillet weld rod anode ray detection slope external compensator of claim 1, which is characterized in that: one end of the compensating pipe (1) far away from the compensating block (2) is connected with a metallic radiating pipe (6).

3. The pipe plate fillet weld rod anode ray detection slope external compensator of claim 2, which is characterized in that: one end of the compensating pipe (1) far away from the compensating block (2) is provided with a plurality of jacks (7), and one end of the radiating pipe (6) is provided with a contact pin (8) matched with the jacks (7).

4. The pipe plate fillet weld rod anode ray detection slope external compensator of claim 3, which is characterized in that: the jack (7) and the contact pin (8) are attracted by a pair of magnetic blocks (9).

5. The pipe plate fillet weld rod anode ray detection slope external compensator of claim 1, which is characterized in that: the compensation block (2) comprises a cylinder (10) and a compensation ring (11), the through hole (3) is located on the cylinder (10), the through hole (3) is coaxial with the cylinder (10), the compensation ring (11) is coaxial with the cylinder (10) and is detachably connected with the cylinder (10), and the cylinder (10) is fixedly connected with the anode rod (14).

6. The pipe plate fillet weld rod anode ray detection slope external compensator of claim 5, which is characterized in that: the outer side wall of the cylinder (10) is provided with a plurality of grooves (12) along the direction parallel to the axis of the cylinder, the inner wall of the compensating ring (11) is provided with a plurality of lugs (13) along the direction parallel to the axis of the cylinder, and the lugs (13) are matched with the grooves (12).

7. The pipe plate fillet weld rod anode ray detection slope external compensator of claim 2, which is characterized in that: the pipe wall of the radiating pipe (6) is hollow, and the pipe wall of the radiating pipe (6) is filled with cooling liquid.

8. The pipe plate fillet weld rod anode ray detection slope external compensator of claim 1, which is characterized in that: the anode rod (14) is coaxially sleeved with a guide sleeve (15), and the guide sleeve (15) can be inserted into the through hole (3).